mirror of
https://github.com/moparisthebest/hexchat
synced 2024-11-30 05:02:16 -05:00
007f49c39f
gtk_xtext_find_char() adjust negative y for int typecast gtk_xtext_find_x() return out_of_bounds TRUE if line outside windodw gtk_xtext_selection_draw() recognize TRUE out_of_bounds
4810 lines
112 KiB
C
4810 lines
112 KiB
C
/* X-Chat
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* Copyright (C) 1998 Peter Zelezny.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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* =========================================================================
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*
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* xtext, the text widget used by X-Chat.
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* By Peter Zelezny <zed@xchat.org>.
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*
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*/
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#define GDK_MULTIHEAD_SAFE
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#define MARGIN 2 /* dont touch. */
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#define REFRESH_TIMEOUT 20
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#define WORDWRAP_LIMIT 24
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <time.h>
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#ifdef WIN32
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#include "../../config-win32.h"
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#else
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#include "../../config.h"
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#endif
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#include "../common/hexchat.h"
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#include "../common/fe.h"
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#include "../common/util.h"
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#include "../common/hexchatc.h"
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#include "../common/url.h"
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#include "fe-gtk.h"
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#include "xtext.h"
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#include "fkeys.h"
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#define charlen(str) g_utf8_skip[*(guchar *)(str)]
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#ifdef WIN32
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#include <windows.h>
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#include <io.h>
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#include <gdk/gdk.h>
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#include <gdk/gdkwin32.h>
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#else
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#include <unistd.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/gdkx.h>
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#endif
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#endif
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/* is delimiter */
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#define is_del(c) \
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(c == ' ' || c == '\n' || c == '>' || c == '<' || c == 0)
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/* force scrolling off */
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#define dontscroll(buf) (buf)->last_pixel_pos = 0x7fffffff
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extern void gtk_marshal_VOID__POINTER_POINTER (GClosure *closure,
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GValue *return_value,
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guint n_param_values,
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const GValue *param_values,
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gpointer invocation_hint,
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gpointer marshal_data);
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static GtkWidgetClass *parent_class = NULL;
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struct textentry
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{
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struct textentry *next;
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struct textentry *prev;
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unsigned char *str;
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time_t stamp;
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gint16 str_width;
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gint16 str_len;
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gint16 mark_start;
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gint16 mark_end;
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gint16 indent;
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gint16 left_len;
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gint16 lines_taken;
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#define RECORD_WRAPS 4
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guint16 wrap_offset[RECORD_WRAPS];
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guchar mb; /* boolean: is multibyte? */
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guchar tag;
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guchar pad1;
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guchar pad2; /* 32-bit align : 44 bytes total */
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GList *marks; /* List of found strings */
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};
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enum
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{
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WORD_CLICK,
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LAST_SIGNAL
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};
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/* values for selection info */
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enum
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{
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TARGET_UTF8_STRING,
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TARGET_STRING,
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TARGET_TEXT,
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TARGET_COMPOUND_TEXT
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};
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static guint xtext_signals[LAST_SIGNAL];
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char *nocasestrstr (const char *text, const char *tofind); /* util.c */
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int xtext_get_stamp_str (time_t, char **);
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static void gtk_xtext_render_page (GtkXText * xtext);
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static void gtk_xtext_calc_lines (xtext_buffer *buf, int);
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static char *gtk_xtext_selection_get_text (GtkXText *xtext, int *len_ret);
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static textentry *gtk_xtext_nth (GtkXText *xtext, int line, int *subline);
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static void gtk_xtext_adjustment_changed (GtkAdjustment * adj,
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GtkXText * xtext);
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static int gtk_xtext_render_ents (GtkXText * xtext, textentry *, textentry *);
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static void gtk_xtext_recalc_widths (xtext_buffer *buf, int);
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static void gtk_xtext_fix_indent (xtext_buffer *buf);
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static int gtk_xtext_find_subline (GtkXText *xtext, textentry *ent, int line);
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/* static char *gtk_xtext_conv_color (unsigned char *text, int len, int *newlen); */
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/* For use by gtk_xtext_strip_color() and its callers -- */
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typedef union offlen_u {
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struct offlen_s {
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guint16 off;
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guint16 len;
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} o;
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guint32 u;
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} offlen_t;
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static unsigned char *
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gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf,
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int *newlen, int *mb_ret, GSList **slp, int strip_hidden);
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static gboolean gtk_xtext_check_ent_visibility (GtkXText * xtext, textentry *find_ent, int add);
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static int gtk_xtext_render_page_timeout (GtkXText * xtext);
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static int gtk_xtext_search_offset (xtext_buffer *buf, textentry *ent, unsigned int off);
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static GList * gtk_xtext_search_textentry (xtext_buffer *, textentry *);
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static void gtk_xtext_search_textentry_add (xtext_buffer *, textentry *, GList *, gboolean);
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static void gtk_xtext_search_textentry_del (xtext_buffer *, textentry *);
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static void gtk_xtext_search_textentry_fini (gpointer, gpointer);
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static void gtk_xtext_search_fini (xtext_buffer *);
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static gboolean gtk_xtext_search_init (xtext_buffer *buf, const gchar *text, gtk_xtext_search_flags flags, GError **perr);
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/* Avoid warning messages for this unused function */
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#if 0
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/* gives width of a 8bit string - with no mIRC codes in it */
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static int
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gtk_xtext_text_width_8bit (GtkXText *xtext, unsigned char *str, int len)
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{
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int width = 0;
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while (len)
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{
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width += xtext->fontwidth[*str];
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str++;
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len--;
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}
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return width;
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}
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#endif
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#define xtext_draw_bg(xt,x,y,w,h) gdk_draw_rectangle(xt->draw_buf, xt->bgc, 1, x, y, w, h);
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/* ======================================= */
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/* ============ PANGO BACKEND ============ */
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/* ======================================= */
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static void
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xtext_layout_set_text (GtkXText *xtext, char *str, int len)
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{
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PangoAttrList *attr_list;
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PangoAttribute *attr;
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attr_list = pango_attr_list_new ();
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if (xtext->italics)
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{
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attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
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attr->start_index = PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING;
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attr->end_index = PANGO_ATTR_INDEX_TO_TEXT_END;
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pango_attr_list_insert (attr_list, attr);
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}
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if (xtext->bold)
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{
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attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
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attr->start_index = PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING;
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attr->end_index = PANGO_ATTR_INDEX_TO_TEXT_END;
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pango_attr_list_insert (attr_list, attr);
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}
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pango_layout_set_attributes (xtext->layout, attr_list);
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pango_layout_set_text (xtext->layout, str, len);
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pango_attr_list_unref (attr_list);
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}
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static void
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backend_font_close (GtkXText *xtext)
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{
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pango_font_description_free (xtext->font->font);
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}
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static void
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backend_init (GtkXText *xtext)
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{
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if (xtext->layout == NULL)
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{
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xtext->layout = gtk_widget_create_pango_layout (GTK_WIDGET (xtext), 0);
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if (xtext->font)
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pango_layout_set_font_description (xtext->layout, xtext->font->font);
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}
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}
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static void
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backend_deinit (GtkXText *xtext)
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{
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if (xtext->layout)
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{
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g_object_unref (xtext->layout);
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xtext->layout = NULL;
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}
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}
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static PangoFontDescription *
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backend_font_open_real (char *name)
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{
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PangoFontDescription *font;
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font = pango_font_description_from_string (name);
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if (font && pango_font_description_get_size (font) == 0)
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{
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pango_font_description_free (font);
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font = pango_font_description_from_string ("sans 11");
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}
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if (!font)
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font = pango_font_description_from_string ("sans 11");
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return font;
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}
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static void
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backend_font_open (GtkXText *xtext, char *name)
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{
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PangoLanguage *lang;
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PangoContext *context;
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PangoFontMetrics *metrics;
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xtext->font = &xtext->pango_font;
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xtext->font->font = backend_font_open_real (name);
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if (!xtext->font->font)
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{
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xtext->font = NULL;
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return;
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}
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backend_init (xtext);
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pango_layout_set_font_description (xtext->layout, xtext->font->font);
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/* vte does it this way */
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context = gtk_widget_get_pango_context (GTK_WIDGET (xtext));
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lang = pango_context_get_language (context);
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metrics = pango_context_get_metrics (context, xtext->font->font, lang);
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xtext->font->ascent = pango_font_metrics_get_ascent (metrics) / PANGO_SCALE;
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xtext->font->descent = pango_font_metrics_get_descent (metrics) / PANGO_SCALE;
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pango_font_metrics_unref (metrics);
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}
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static int
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backend_get_text_width (GtkXText *xtext, guchar *str, int len, int is_mb)
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{
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int width;
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if (*str == 0)
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return 0;
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/* set text w/ attributes for proper width */
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xtext_layout_set_text (xtext, str, len);
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pango_layout_get_pixel_size (xtext->layout, &width, NULL);
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return width;
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}
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inline static int
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backend_get_char_width (GtkXText *xtext, unsigned char *str, int *mbl_ret)
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{
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int width;
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if (*str < 128)
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{
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*mbl_ret = 1;
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return xtext->fontwidth[*str];
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}
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*mbl_ret = charlen (str);
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pango_layout_set_text (xtext->layout, str, *mbl_ret);
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pango_layout_get_pixel_size (xtext->layout, &width, NULL);
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return width;
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}
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/* simplified version of gdk_draw_layout_line_with_colors() */
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static void
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xtext_draw_layout_line (GdkDrawable *drawable,
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GdkGC *gc,
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gint x,
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gint y,
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PangoLayoutLine *line)
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{
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GSList *tmp_list = line->runs;
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PangoRectangle logical_rect;
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gint x_off = 0;
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while (tmp_list)
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{
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PangoLayoutRun *run = tmp_list->data;
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pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
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NULL, &logical_rect);
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gdk_draw_glyphs (drawable, gc, run->item->analysis.font,
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x + x_off / PANGO_SCALE, y, run->glyphs);
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x_off += logical_rect.width;
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tmp_list = tmp_list->next;
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}
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}
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static void
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backend_draw_text (GtkXText *xtext, int dofill, GdkGC *gc, int x, int y,
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char *str, int len, int str_width, int is_mb)
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{
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GdkGCValues val;
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GdkColor col;
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PangoLayoutLine *line;
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xtext_layout_set_text (xtext, str, len);
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if (dofill)
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{
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gdk_gc_get_values (gc, &val);
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col.pixel = val.background.pixel;
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gdk_gc_set_foreground (gc, &col);
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gdk_draw_rectangle (xtext->draw_buf, gc, 1, x, y -
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xtext->font->ascent, str_width, xtext->fontsize);
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col.pixel = val.foreground.pixel;
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gdk_gc_set_foreground (gc, &col);
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}
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line = pango_layout_get_lines (xtext->layout)->data;
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xtext_draw_layout_line (xtext->draw_buf, gc, x, y, line);
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}
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static void
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xtext_set_fg (GtkXText *xtext, GdkGC *gc, int index)
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{
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gdk_gc_set_foreground (gc, &xtext->palette[index]);
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}
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static void
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xtext_set_bg (GtkXText *xtext, GdkGC *gc, int index)
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{
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gdk_gc_set_background (gc, &xtext->palette[index]);
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}
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static void
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gtk_xtext_init (GtkXText * xtext)
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{
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xtext->pixmap = NULL;
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xtext->io_tag = 0;
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xtext->add_io_tag = 0;
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xtext->scroll_tag = 0;
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xtext->max_lines = 0;
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xtext->col_back = XTEXT_BG;
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xtext->col_fore = XTEXT_FG;
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xtext->nc = 0;
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xtext->pixel_offset = 0;
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xtext->bold = FALSE;
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xtext->underline = FALSE;
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xtext->italics = FALSE;
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xtext->hidden = FALSE;
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xtext->font = NULL;
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xtext->layout = NULL;
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xtext->jump_out_offset = 0;
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xtext->jump_in_offset = 0;
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xtext->ts_x = 0;
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xtext->ts_y = 0;
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xtext->clip_x = 0;
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xtext->clip_x2 = 1000000;
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xtext->clip_y = 0;
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xtext->clip_y2 = 1000000;
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xtext->urlcheck_function = NULL;
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xtext->color_paste = FALSE;
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xtext->skip_border_fills = FALSE;
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xtext->skip_stamp = FALSE;
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xtext->render_hilights_only = FALSE;
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xtext->un_hilight = FALSE;
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xtext->recycle = FALSE;
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xtext->dont_render = FALSE;
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xtext->dont_render2 = FALSE;
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xtext->adj = (GtkAdjustment *) gtk_adjustment_new (0, 0, 1, 1, 1, 1);
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g_object_ref (G_OBJECT (xtext->adj));
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g_object_ref_sink (G_OBJECT (xtext->adj));
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g_object_unref (G_OBJECT (xtext->adj));
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xtext->vc_signal_tag = g_signal_connect (G_OBJECT (xtext->adj),
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"value_changed", G_CALLBACK (gtk_xtext_adjustment_changed), xtext);
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{
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static const GtkTargetEntry targets[] = {
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{ "UTF8_STRING", 0, TARGET_UTF8_STRING },
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{ "STRING", 0, TARGET_STRING },
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{ "TEXT", 0, TARGET_TEXT },
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{ "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }
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};
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static const gint n_targets = sizeof (targets) / sizeof (targets[0]);
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gtk_selection_add_targets (GTK_WIDGET (xtext), GDK_SELECTION_PRIMARY,
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targets, n_targets);
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}
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}
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static void
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gtk_xtext_adjustment_set (xtext_buffer *buf, int fire_signal)
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{
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GtkAdjustment *adj = buf->xtext->adj;
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if (buf->xtext->buffer == buf)
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{
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adj->lower = 0;
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adj->upper = buf->num_lines;
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if (adj->upper == 0)
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adj->upper = 1;
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adj->page_size = GTK_WIDGET (buf->xtext)->allocation.height /
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buf->xtext->fontsize;
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adj->page_increment = adj->page_size;
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if (adj->value > adj->upper - adj->page_size)
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adj->value = adj->upper - adj->page_size;
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if (adj->value < 0)
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adj->value = 0;
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if (fire_signal)
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gtk_adjustment_changed (adj);
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}
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}
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static gint
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gtk_xtext_adjustment_timeout (GtkXText * xtext)
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{
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gtk_xtext_render_page (xtext);
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xtext->io_tag = 0;
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return 0;
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}
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static void
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gtk_xtext_adjustment_changed (GtkAdjustment * adj, GtkXText * xtext)
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{
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if (xtext->buffer->old_value != xtext->adj->value)
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{
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if (xtext->adj->value >= xtext->adj->upper - xtext->adj->page_size)
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xtext->buffer->scrollbar_down = TRUE;
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else
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xtext->buffer->scrollbar_down = FALSE;
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if (xtext->adj->value + 1 == xtext->buffer->old_value ||
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xtext->adj->value - 1 == xtext->buffer->old_value) /* clicked an arrow? */
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{
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if (xtext->io_tag)
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{
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g_source_remove (xtext->io_tag);
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xtext->io_tag = 0;
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}
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gtk_xtext_render_page (xtext);
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} else
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{
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if (!xtext->io_tag)
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xtext->io_tag = g_timeout_add (REFRESH_TIMEOUT,
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(GSourceFunc)
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gtk_xtext_adjustment_timeout,
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xtext);
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}
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}
|
|
xtext->buffer->old_value = adj->value;
|
|
}
|
|
|
|
GtkWidget *
|
|
gtk_xtext_new (GdkColor palette[], int separator)
|
|
{
|
|
GtkXText *xtext;
|
|
|
|
xtext = g_object_new (gtk_xtext_get_type (), NULL);
|
|
xtext->separator = separator;
|
|
xtext->wordwrap = TRUE;
|
|
xtext->buffer = gtk_xtext_buffer_new (xtext);
|
|
xtext->orig_buffer = xtext->buffer;
|
|
|
|
gtk_widget_set_double_buffered (GTK_WIDGET (xtext), FALSE);
|
|
gtk_xtext_set_palette (xtext, palette);
|
|
|
|
return GTK_WIDGET (xtext);
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_destroy (GtkObject * object)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (object);
|
|
|
|
if (xtext->add_io_tag)
|
|
{
|
|
g_source_remove (xtext->add_io_tag);
|
|
xtext->add_io_tag = 0;
|
|
}
|
|
|
|
if (xtext->scroll_tag)
|
|
{
|
|
g_source_remove (xtext->scroll_tag);
|
|
xtext->scroll_tag = 0;
|
|
}
|
|
|
|
if (xtext->io_tag)
|
|
{
|
|
g_source_remove (xtext->io_tag);
|
|
xtext->io_tag = 0;
|
|
}
|
|
|
|
if (xtext->pixmap)
|
|
{
|
|
g_object_unref (xtext->pixmap);
|
|
xtext->pixmap = NULL;
|
|
}
|
|
|
|
if (xtext->font)
|
|
{
|
|
backend_font_close (xtext);
|
|
xtext->font = NULL;
|
|
}
|
|
|
|
if (xtext->adj)
|
|
{
|
|
g_signal_handlers_disconnect_matched (G_OBJECT (xtext->adj),
|
|
G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, xtext);
|
|
/* gtk_signal_disconnect_by_data (G_OBJECT (xtext->adj), xtext);*/
|
|
g_object_unref (G_OBJECT (xtext->adj));
|
|
xtext->adj = NULL;
|
|
}
|
|
|
|
if (xtext->bgc)
|
|
{
|
|
g_object_unref (xtext->bgc);
|
|
xtext->bgc = NULL;
|
|
}
|
|
|
|
if (xtext->fgc)
|
|
{
|
|
g_object_unref (xtext->fgc);
|
|
xtext->fgc = NULL;
|
|
}
|
|
|
|
if (xtext->light_gc)
|
|
{
|
|
g_object_unref (xtext->light_gc);
|
|
xtext->light_gc = NULL;
|
|
}
|
|
|
|
if (xtext->dark_gc)
|
|
{
|
|
g_object_unref (xtext->dark_gc);
|
|
xtext->dark_gc = NULL;
|
|
}
|
|
|
|
if (xtext->thin_gc)
|
|
{
|
|
g_object_unref (xtext->thin_gc);
|
|
xtext->thin_gc = NULL;
|
|
}
|
|
|
|
if (xtext->marker_gc)
|
|
{
|
|
g_object_unref (xtext->marker_gc);
|
|
xtext->marker_gc = NULL;
|
|
}
|
|
|
|
if (xtext->hand_cursor)
|
|
{
|
|
gdk_cursor_unref (xtext->hand_cursor);
|
|
xtext->hand_cursor = NULL;
|
|
}
|
|
|
|
if (xtext->resize_cursor)
|
|
{
|
|
gdk_cursor_unref (xtext->resize_cursor);
|
|
xtext->resize_cursor = NULL;
|
|
}
|
|
|
|
if (xtext->orig_buffer)
|
|
{
|
|
gtk_xtext_buffer_free (xtext->orig_buffer);
|
|
xtext->orig_buffer = NULL;
|
|
}
|
|
|
|
if (GTK_OBJECT_CLASS (parent_class)->destroy)
|
|
(*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_unrealize (GtkWidget * widget)
|
|
{
|
|
backend_deinit (GTK_XTEXT (widget));
|
|
|
|
/* if there are still events in the queue, this'll avoid segfault */
|
|
gdk_window_set_user_data (widget->window, NULL);
|
|
|
|
if (parent_class->unrealize)
|
|
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_realize (GtkWidget * widget)
|
|
{
|
|
GtkXText *xtext;
|
|
GdkWindowAttr attributes;
|
|
GdkGCValues val;
|
|
GdkColor col;
|
|
GdkColormap *cmap;
|
|
|
|
gtk_widget_set_realized (widget, TRUE);
|
|
xtext = GTK_XTEXT (widget);
|
|
|
|
attributes.x = widget->allocation.x;
|
|
attributes.y = widget->allocation.y;
|
|
attributes.width = widget->allocation.width;
|
|
attributes.height = widget->allocation.height;
|
|
attributes.wclass = GDK_INPUT_OUTPUT;
|
|
attributes.window_type = GDK_WINDOW_CHILD;
|
|
attributes.event_mask = gtk_widget_get_events (widget) |
|
|
GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
|
|
| GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK;
|
|
|
|
cmap = gtk_widget_get_colormap (widget);
|
|
attributes.colormap = cmap;
|
|
attributes.visual = gtk_widget_get_visual (widget);
|
|
|
|
widget->window = gdk_window_new (widget->parent->window, &attributes,
|
|
GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL |
|
|
GDK_WA_COLORMAP);
|
|
|
|
gdk_window_set_user_data (widget->window, widget);
|
|
|
|
xtext->depth = gdk_window_get_visual (widget->window)->depth;
|
|
|
|
val.subwindow_mode = GDK_INCLUDE_INFERIORS;
|
|
val.graphics_exposures = 0;
|
|
|
|
xtext->bgc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext->fgc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext->light_gc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext->dark_gc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext->thin_gc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext->marker_gc = gdk_gc_new_with_values (widget->window, &val,
|
|
GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
|
|
/* for the separator bar (light) */
|
|
col.red = 0xffff; col.green = 0xffff; col.blue = 0xffff;
|
|
gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
|
|
gdk_gc_set_foreground (xtext->light_gc, &col);
|
|
|
|
/* for the separator bar (dark) */
|
|
col.red = 0x1111; col.green = 0x1111; col.blue = 0x1111;
|
|
gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
|
|
gdk_gc_set_foreground (xtext->dark_gc, &col);
|
|
|
|
/* for the separator bar (thinline) */
|
|
col.red = 0x8e38; col.green = 0x8e38; col.blue = 0x9f38;
|
|
gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
|
|
gdk_gc_set_foreground (xtext->thin_gc, &col);
|
|
|
|
/* for the marker bar (marker) */
|
|
gdk_gc_set_foreground (xtext->marker_gc, &xtext->palette[XTEXT_MARKER]);
|
|
|
|
xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
|
|
xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
|
|
xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);
|
|
|
|
/* draw directly to window */
|
|
xtext->draw_buf = widget->window;
|
|
|
|
if (xtext->pixmap)
|
|
{
|
|
gdk_gc_set_tile (xtext->bgc, xtext->pixmap);
|
|
gdk_gc_set_ts_origin (xtext->bgc, 0, 0);
|
|
xtext->ts_x = xtext->ts_y = 0;
|
|
gdk_gc_set_fill (xtext->bgc, GDK_TILED);
|
|
}
|
|
|
|
xtext->hand_cursor = gdk_cursor_new_for_display (gdk_window_get_display (widget->window), GDK_HAND1);
|
|
xtext->resize_cursor = gdk_cursor_new_for_display (gdk_window_get_display (widget->window), GDK_LEFT_SIDE);
|
|
|
|
gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
|
|
widget->style = gtk_style_attach (widget->style, widget->window);
|
|
|
|
backend_init (xtext);
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_size_request (GtkWidget * widget, GtkRequisition * requisition)
|
|
{
|
|
requisition->width = 200;
|
|
requisition->height = 90;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_size_allocate (GtkWidget * widget, GtkAllocation * allocation)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
int height_only = FALSE;
|
|
|
|
if (allocation->width == xtext->buffer->window_width)
|
|
height_only = TRUE;
|
|
|
|
widget->allocation = *allocation;
|
|
if (gtk_widget_get_realized (GTK_WIDGET(widget)))
|
|
{
|
|
xtext->buffer->window_width = allocation->width;
|
|
xtext->buffer->window_height = allocation->height;
|
|
|
|
gdk_window_move_resize (widget->window, allocation->x, allocation->y,
|
|
allocation->width, allocation->height);
|
|
dontscroll (xtext->buffer); /* force scrolling off */
|
|
if (!height_only)
|
|
gtk_xtext_calc_lines (xtext->buffer, FALSE);
|
|
else
|
|
{
|
|
xtext->buffer->pagetop_ent = NULL;
|
|
gtk_xtext_adjustment_set (xtext->buffer, FALSE);
|
|
}
|
|
if (xtext->buffer->scrollbar_down)
|
|
gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
|
|
xtext->adj->page_size);
|
|
}
|
|
}
|
|
|
|
static int
|
|
gtk_xtext_selection_clear (xtext_buffer *buf)
|
|
{
|
|
textentry *ent;
|
|
int ret = 0;
|
|
|
|
ent = buf->last_ent_start;
|
|
while (ent)
|
|
{
|
|
if (ent->mark_start != -1)
|
|
ret = 1;
|
|
ent->mark_start = -1;
|
|
ent->mark_end = -1;
|
|
if (ent == buf->last_ent_end)
|
|
break;
|
|
ent = ent->next;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
find_x (GtkXText *xtext, textentry *ent, unsigned char *text, int x, int indent)
|
|
{
|
|
int xx = indent;
|
|
int i = 0;
|
|
int rcol = 0, bgcol = 0;
|
|
int hidden = FALSE;
|
|
unsigned char *orig = text;
|
|
int mbl;
|
|
int char_width;
|
|
|
|
while (*text)
|
|
{
|
|
mbl = 1;
|
|
if (rcol > 0 && (isdigit (*text) || (*text == ',' && isdigit (text[1]) && !bgcol)))
|
|
{
|
|
if (text[1] != ',') rcol--;
|
|
if (*text == ',')
|
|
{
|
|
rcol = 2;
|
|
bgcol = 1;
|
|
}
|
|
text++;
|
|
} else
|
|
{
|
|
rcol = bgcol = 0;
|
|
switch (*text)
|
|
{
|
|
case ATTR_COLOR:
|
|
rcol = 2;
|
|
case ATTR_BEEP:
|
|
case ATTR_RESET:
|
|
case ATTR_REVERSE:
|
|
case ATTR_BOLD:
|
|
case ATTR_UNDERLINE:
|
|
case ATTR_ITALICS:
|
|
text++;
|
|
break;
|
|
case ATTR_HIDDEN:
|
|
if (xtext->ignore_hidden)
|
|
goto def;
|
|
hidden = !hidden;
|
|
text++;
|
|
break;
|
|
default:
|
|
def:
|
|
char_width = backend_get_char_width (xtext, text, &mbl);
|
|
if (!hidden) xx += char_width;
|
|
text += mbl;
|
|
if (xx >= x)
|
|
return i + (orig - ent->str);
|
|
}
|
|
}
|
|
|
|
i += mbl;
|
|
if (text - orig >= ent->str_len)
|
|
return ent->str_len;
|
|
}
|
|
|
|
return ent->str_len;
|
|
}
|
|
|
|
static int
|
|
gtk_xtext_find_x (GtkXText * xtext, int x, textentry * ent, int subline,
|
|
int line, int *out_of_bounds)
|
|
{
|
|
int indent;
|
|
unsigned char *str;
|
|
|
|
if (subline < 1)
|
|
indent = ent->indent;
|
|
else
|
|
indent = xtext->buffer->indent;
|
|
|
|
if (line > xtext->adj->page_size || line < 0)
|
|
{
|
|
*out_of_bounds = TRUE;
|
|
return 0;
|
|
}
|
|
|
|
if (xtext->buffer->grid_dirty || line > 255)
|
|
{
|
|
str = ent->str + gtk_xtext_find_subline (xtext, ent, subline);
|
|
if (str >= ent->str + ent->str_len)
|
|
return 0;
|
|
} else
|
|
{
|
|
if (xtext->buffer->grid_offset[line] > ent->str_len)
|
|
return 0;
|
|
str = ent->str + xtext->buffer->grid_offset[line];
|
|
}
|
|
|
|
if (x < indent)
|
|
{
|
|
*out_of_bounds = 1;
|
|
return (str - ent->str);
|
|
}
|
|
|
|
*out_of_bounds = 0;
|
|
|
|
return find_x (xtext, ent, str, x, indent);
|
|
}
|
|
|
|
static textentry *
|
|
gtk_xtext_find_char (GtkXText * xtext, int x, int y, int *off,
|
|
int *out_of_bounds)
|
|
{
|
|
textentry *ent;
|
|
int line;
|
|
int subline;
|
|
|
|
/* Adjust y value for negative rounding, double to int */
|
|
if (y < 0)
|
|
y -= xtext->fontsize;
|
|
|
|
line = (y + xtext->pixel_offset) / xtext->fontsize;
|
|
ent = gtk_xtext_nth (xtext, line + (int)xtext->adj->value, &subline);
|
|
if (!ent)
|
|
return 0;
|
|
|
|
if (off)
|
|
*off = gtk_xtext_find_x (xtext, x, ent, subline, line, out_of_bounds);
|
|
|
|
return ent;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_draw_sep (GtkXText * xtext, int y)
|
|
{
|
|
int x, height;
|
|
GdkGC *light, *dark;
|
|
|
|
if (y == -1)
|
|
{
|
|
y = 0;
|
|
height = GTK_WIDGET (xtext)->allocation.height;
|
|
} else
|
|
{
|
|
height = xtext->fontsize;
|
|
}
|
|
|
|
/* draw the separator line */
|
|
if (xtext->separator && xtext->buffer->indent)
|
|
{
|
|
light = xtext->light_gc;
|
|
dark = xtext->dark_gc;
|
|
|
|
x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
|
|
if (x < 1)
|
|
return;
|
|
|
|
if (xtext->thinline)
|
|
{
|
|
if (xtext->moving_separator)
|
|
gdk_draw_line (xtext->draw_buf, light, x, y, x, y + height);
|
|
else
|
|
gdk_draw_line (xtext->draw_buf, xtext->thin_gc, x, y, x, y + height);
|
|
} else
|
|
{
|
|
if (xtext->moving_separator)
|
|
{
|
|
gdk_draw_line (xtext->draw_buf, light, x - 1, y, x - 1, y + height);
|
|
gdk_draw_line (xtext->draw_buf, dark, x, y, x, y + height);
|
|
} else
|
|
{
|
|
gdk_draw_line (xtext->draw_buf, dark, x - 1, y, x - 1, y + height);
|
|
gdk_draw_line (xtext->draw_buf, light, x, y, x, y + height);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_draw_marker (GtkXText * xtext, textentry * ent, int y)
|
|
{
|
|
int x, width, render_y;
|
|
|
|
if (!xtext->marker) return;
|
|
|
|
if (xtext->buffer->marker_pos == ent)
|
|
{
|
|
render_y = y + xtext->font->descent;
|
|
}
|
|
else if (xtext->buffer->marker_pos == ent->next && ent->next != NULL)
|
|
{
|
|
render_y = y + xtext->font->descent + xtext->fontsize * ent->lines_taken;
|
|
}
|
|
else return;
|
|
|
|
x = 0;
|
|
width = GTK_WIDGET (xtext)->allocation.width;
|
|
|
|
gdk_draw_line (xtext->draw_buf, xtext->marker_gc, x, render_y, x + width, render_y);
|
|
|
|
if (gtk_window_has_toplevel_focus (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (xtext)))))
|
|
{
|
|
xtext->buffer->marker_seen = TRUE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_paint (GtkWidget *widget, GdkRectangle *area)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
textentry *ent_start, *ent_end;
|
|
int x, y;
|
|
|
|
if (area->x == 0 && area->y == 0 &&
|
|
area->height == widget->allocation.height &&
|
|
area->width == widget->allocation.width)
|
|
{
|
|
dontscroll (xtext->buffer); /* force scrolling off */
|
|
gtk_xtext_render_page (xtext);
|
|
return;
|
|
}
|
|
|
|
ent_start = gtk_xtext_find_char (xtext, area->x, area->y, NULL, NULL);
|
|
if (!ent_start)
|
|
{
|
|
xtext_draw_bg (xtext, area->x, area->y, area->width, area->height);
|
|
goto xit;
|
|
}
|
|
ent_end = gtk_xtext_find_char (xtext, area->x + area->width,
|
|
area->y + area->height, NULL, NULL);
|
|
if (!ent_end)
|
|
ent_end = xtext->buffer->text_last;
|
|
|
|
/* can't set a clip here, because fgc/bgc are used to draw the DB too */
|
|
/* backend_set_clip (xtext, area);*/
|
|
xtext->clip_x = area->x;
|
|
xtext->clip_x2 = area->x + area->width;
|
|
xtext->clip_y = area->y;
|
|
xtext->clip_y2 = area->y + area->height;
|
|
|
|
/* y is the last pixel y location it rendered text at */
|
|
y = gtk_xtext_render_ents (xtext, ent_start, ent_end);
|
|
|
|
if (y && y < widget->allocation.height && !ent_end->next)
|
|
{
|
|
GdkRectangle rect;
|
|
|
|
rect.x = 0;
|
|
rect.y = y;
|
|
rect.width = widget->allocation.width;
|
|
rect.height = widget->allocation.height - y;
|
|
|
|
/* fill any space below the last line that also intersects with
|
|
the exposure rectangle */
|
|
if (gdk_rectangle_intersect (area, &rect, &rect))
|
|
{
|
|
xtext_draw_bg (xtext, rect.x, rect.y, rect.width, rect.height);
|
|
}
|
|
}
|
|
|
|
/*backend_clear_clip (xtext);*/
|
|
xtext->clip_x = 0;
|
|
xtext->clip_x2 = 1000000;
|
|
xtext->clip_y = 0;
|
|
xtext->clip_y2 = 1000000;
|
|
|
|
xit:
|
|
x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
|
|
if (area->x <= x)
|
|
gtk_xtext_draw_sep (xtext, -1);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_expose (GtkWidget * widget, GdkEventExpose * event)
|
|
{
|
|
gtk_xtext_paint (widget, &event->area);
|
|
return FALSE;
|
|
}
|
|
|
|
/* render a selection that has extended or contracted upward */
|
|
|
|
static void
|
|
gtk_xtext_selection_up (GtkXText *xtext, textentry *start, textentry *end,
|
|
int start_offset)
|
|
{
|
|
/* render all the complete lines */
|
|
if (start->next == end)
|
|
gtk_xtext_render_ents (xtext, end, NULL);
|
|
else
|
|
gtk_xtext_render_ents (xtext, start->next, end);
|
|
|
|
/* now the incomplete upper line */
|
|
if (start == xtext->buffer->last_ent_start)
|
|
xtext->jump_in_offset = xtext->buffer->last_offset_start;
|
|
else
|
|
xtext->jump_in_offset = start_offset;
|
|
gtk_xtext_render_ents (xtext, start, NULL);
|
|
xtext->jump_in_offset = 0;
|
|
}
|
|
|
|
/* render a selection that has extended or contracted downward */
|
|
|
|
static void
|
|
gtk_xtext_selection_down (GtkXText *xtext, textentry *start, textentry *end,
|
|
int end_offset)
|
|
{
|
|
/* render all the complete lines */
|
|
if (end->prev == start)
|
|
gtk_xtext_render_ents (xtext, start, NULL);
|
|
else
|
|
gtk_xtext_render_ents (xtext, start, end->prev);
|
|
|
|
/* now the incomplete bottom line */
|
|
if (end == xtext->buffer->last_ent_end)
|
|
xtext->jump_out_offset = xtext->buffer->last_offset_end;
|
|
else
|
|
xtext->jump_out_offset = end_offset;
|
|
gtk_xtext_render_ents (xtext, end, NULL);
|
|
xtext->jump_out_offset = 0;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_selection_render (GtkXText *xtext,
|
|
textentry *start_ent, int start_offset,
|
|
textentry *end_ent, int end_offset)
|
|
{
|
|
textentry *ent;
|
|
int start, end;
|
|
|
|
xtext->skip_border_fills = TRUE;
|
|
xtext->skip_stamp = TRUE;
|
|
|
|
/* force an optimized render if there was no previous selection */
|
|
if (xtext->buffer->last_ent_start == NULL && start_ent == end_ent)
|
|
{
|
|
xtext->buffer->last_offset_start = start_offset;
|
|
xtext->buffer->last_offset_end = end_offset;
|
|
goto lamejump;
|
|
}
|
|
|
|
/* mark changed within 1 ent only? */
|
|
if (xtext->buffer->last_ent_start == start_ent &&
|
|
xtext->buffer->last_ent_end == end_ent)
|
|
{
|
|
/* when only 1 end of the selection is changed, we can really
|
|
save on rendering */
|
|
if (xtext->buffer->last_offset_start == start_offset ||
|
|
xtext->buffer->last_offset_end == end_offset)
|
|
{
|
|
lamejump:
|
|
ent = end_ent;
|
|
/* figure out where to start and end the rendering */
|
|
if (end_offset > xtext->buffer->last_offset_end)
|
|
{
|
|
end = end_offset;
|
|
start = xtext->buffer->last_offset_end;
|
|
} else if (end_offset < xtext->buffer->last_offset_end)
|
|
{
|
|
end = xtext->buffer->last_offset_end;
|
|
start = end_offset;
|
|
} else if (start_offset < xtext->buffer->last_offset_start)
|
|
{
|
|
end = xtext->buffer->last_offset_start;
|
|
start = start_offset;
|
|
ent = start_ent;
|
|
} else if (start_offset > xtext->buffer->last_offset_start)
|
|
{
|
|
end = start_offset;
|
|
start = xtext->buffer->last_offset_start;
|
|
ent = start_ent;
|
|
} else
|
|
{ /* WORD selects end up here */
|
|
end = end_offset;
|
|
start = start_offset;
|
|
}
|
|
} else
|
|
{
|
|
/* LINE selects end up here */
|
|
/* so which ent actually changed? */
|
|
ent = start_ent;
|
|
if (xtext->buffer->last_offset_start == start_offset)
|
|
ent = end_ent;
|
|
|
|
end = MAX (xtext->buffer->last_offset_end, end_offset);
|
|
start = MIN (xtext->buffer->last_offset_start, start_offset);
|
|
}
|
|
|
|
xtext->jump_out_offset = end;
|
|
xtext->jump_in_offset = start;
|
|
gtk_xtext_render_ents (xtext, ent, NULL);
|
|
xtext->jump_out_offset = 0;
|
|
xtext->jump_in_offset = 0;
|
|
}
|
|
/* marking downward? */
|
|
else if (xtext->buffer->last_ent_start == start_ent &&
|
|
xtext->buffer->last_offset_start == start_offset)
|
|
{
|
|
/* find the range that covers both old and new selection */
|
|
ent = start_ent;
|
|
while (ent)
|
|
{
|
|
if (ent == xtext->buffer->last_ent_end)
|
|
{
|
|
gtk_xtext_selection_down (xtext, ent, end_ent, end_offset);
|
|
/*gtk_xtext_render_ents (xtext, ent, end_ent);*/
|
|
break;
|
|
}
|
|
if (ent == end_ent)
|
|
{
|
|
gtk_xtext_selection_down (xtext, ent, xtext->buffer->last_ent_end, end_offset);
|
|
/*gtk_xtext_render_ents (xtext, ent, xtext->buffer->last_ent_end);*/
|
|
break;
|
|
}
|
|
ent = ent->next;
|
|
}
|
|
}
|
|
/* marking upward? */
|
|
else if (xtext->buffer->last_ent_end == end_ent &&
|
|
xtext->buffer->last_offset_end == end_offset)
|
|
{
|
|
ent = end_ent;
|
|
while (ent)
|
|
{
|
|
if (ent == start_ent)
|
|
{
|
|
gtk_xtext_selection_up (xtext, xtext->buffer->last_ent_start, ent, start_offset);
|
|
/*gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start, ent);*/
|
|
break;
|
|
}
|
|
if (ent == xtext->buffer->last_ent_start)
|
|
{
|
|
gtk_xtext_selection_up (xtext, start_ent, ent, start_offset);
|
|
/*gtk_xtext_render_ents (xtext, start_ent, ent);*/
|
|
break;
|
|
}
|
|
ent = ent->prev;
|
|
}
|
|
}
|
|
else /* cross-over mark (stretched or shrunk at both ends) */
|
|
{
|
|
/* unrender the old mark */
|
|
gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start, xtext->buffer->last_ent_end);
|
|
/* now render the new mark, but skip overlaps */
|
|
if (start_ent == xtext->buffer->last_ent_start)
|
|
{
|
|
/* if the new mark is a sub-set of the old, do nothing */
|
|
if (start_ent != end_ent)
|
|
gtk_xtext_render_ents (xtext, start_ent->next, end_ent);
|
|
} else if (end_ent == xtext->buffer->last_ent_end)
|
|
{
|
|
/* if the new mark is a sub-set of the old, do nothing */
|
|
if (start_ent != end_ent)
|
|
gtk_xtext_render_ents (xtext, start_ent, end_ent->prev);
|
|
} else
|
|
gtk_xtext_render_ents (xtext, start_ent, end_ent);
|
|
}
|
|
|
|
xtext->buffer->last_ent_start = start_ent;
|
|
xtext->buffer->last_ent_end = end_ent;
|
|
xtext->buffer->last_offset_start = start_offset;
|
|
xtext->buffer->last_offset_end = end_offset;
|
|
|
|
xtext->skip_border_fills = FALSE;
|
|
xtext->skip_stamp = FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_selection_draw (GtkXText * xtext, GdkEventMotion * event, gboolean render)
|
|
{
|
|
textentry *ent;
|
|
textentry *ent_end;
|
|
textentry *ent_start;
|
|
int offset_start;
|
|
int offset_end;
|
|
int low_x;
|
|
int low_y;
|
|
int high_x;
|
|
int high_y;
|
|
int tmp;
|
|
|
|
if (xtext->select_start_y > xtext->select_end_y)
|
|
{
|
|
low_x = xtext->select_end_x;
|
|
low_y = xtext->select_end_y;
|
|
high_x = xtext->select_start_x;
|
|
high_y = xtext->select_start_y;
|
|
} else
|
|
{
|
|
low_x = xtext->select_start_x;
|
|
low_y = xtext->select_start_y;
|
|
high_x = xtext->select_end_x;
|
|
high_y = xtext->select_end_y;
|
|
}
|
|
|
|
ent_start = gtk_xtext_find_char (xtext, low_x, low_y, &offset_start, &tmp);
|
|
if (!ent_start)
|
|
{
|
|
if (xtext->adj->value != xtext->buffer->old_value)
|
|
gtk_xtext_render_page (xtext);
|
|
return;
|
|
}
|
|
else if (tmp) {
|
|
offset_start = xtext->buffer->last_offset_start;
|
|
}
|
|
|
|
ent_end = gtk_xtext_find_char (xtext, high_x, high_y, &offset_end, &tmp);
|
|
if (!ent_end)
|
|
{
|
|
ent_end = xtext->buffer->text_last;
|
|
if (!ent_end)
|
|
{
|
|
if (xtext->adj->value != xtext->buffer->old_value)
|
|
gtk_xtext_render_page (xtext);
|
|
return;
|
|
}
|
|
offset_end = ent_end->str_len;
|
|
}
|
|
else if (tmp)
|
|
{
|
|
offset_end = xtext->buffer->last_offset_end;
|
|
}
|
|
|
|
/* marking less than a complete line? */
|
|
/* make sure "start" is smaller than "end" (swap them if need be) */
|
|
if (ent_start == ent_end && offset_start > offset_end)
|
|
{
|
|
tmp = offset_start;
|
|
offset_start = offset_end;
|
|
offset_end = tmp;
|
|
}
|
|
|
|
/* set all the old mark_ fields to -1 */
|
|
gtk_xtext_selection_clear (xtext->buffer);
|
|
|
|
ent_start->mark_start = offset_start;
|
|
ent_start->mark_end = offset_end;
|
|
|
|
if (ent_start != ent_end)
|
|
{
|
|
ent_start->mark_end = ent_start->str_len;
|
|
if (offset_end != 0)
|
|
{
|
|
ent_end->mark_start = 0;
|
|
ent_end->mark_end = offset_end;
|
|
}
|
|
|
|
/* set all the mark_ fields of the ents within the selection */
|
|
ent = ent_start->next;
|
|
while (ent && ent != ent_end)
|
|
{
|
|
ent->mark_start = 0;
|
|
ent->mark_end = ent->str_len;
|
|
ent = ent->next;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (xtext->mark_stamp)
|
|
offset_start = 0;
|
|
}
|
|
|
|
if (render)
|
|
gtk_xtext_selection_render (xtext, ent_start, offset_start, ent_end, offset_end);
|
|
}
|
|
|
|
static int
|
|
gtk_xtext_timeout_ms (GtkXText *xtext, int pixes)
|
|
{
|
|
int apixes = abs(pixes);
|
|
|
|
if (apixes < 6) return 100;
|
|
if (apixes < 12) return 50;
|
|
if (apixes < 20) return 20;
|
|
return 10;
|
|
}
|
|
static gint
|
|
gtk_xtext_scrolldown_timeout (GtkXText * xtext)
|
|
{
|
|
int p_y, win_height;
|
|
xtext_buffer *buf = xtext->buffer;
|
|
GtkAdjustment *adj = xtext->adj;
|
|
|
|
gdk_window_get_pointer (GTK_WIDGET (xtext)->window, 0, &p_y, 0);
|
|
win_height = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
|
|
if (buf->last_ent_end == NULL || /* If context has changed OR */
|
|
buf->pagetop_ent == NULL || /* pagetop_ent is reset OR */
|
|
p_y <= win_height || /* pointer not below bottom margin OR */
|
|
adj->value >= adj->upper - adj->page_size) /* we're scrolled to bottom */
|
|
{
|
|
xtext->scroll_tag = 0;
|
|
return 0;
|
|
}
|
|
|
|
xtext->select_start_y -= xtext->fontsize;
|
|
xtext->select_start_adj++;
|
|
adj->value++;
|
|
gtk_adjustment_value_changed (adj);
|
|
gtk_xtext_selection_draw (xtext, NULL, TRUE);
|
|
gtk_xtext_render_ents (xtext, buf->pagetop_ent->next, buf->last_ent_end);
|
|
xtext->scroll_tag = g_timeout_add (gtk_xtext_timeout_ms (xtext, p_y - win_height),
|
|
(GSourceFunc)
|
|
gtk_xtext_scrolldown_timeout,
|
|
xtext);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static gint
|
|
gtk_xtext_scrollup_timeout (GtkXText * xtext)
|
|
{
|
|
int p_y;
|
|
xtext_buffer *buf = xtext->buffer;
|
|
GtkAdjustment *adj = xtext->adj;
|
|
int delta_y;
|
|
|
|
gdk_window_get_pointer (GTK_WIDGET (xtext)->window, 0, &p_y, 0);
|
|
|
|
if (buf->last_ent_start == NULL || /* If context has changed OR */
|
|
buf->pagetop_ent == NULL || /* pagetop_ent is reset OR */
|
|
p_y >= 0 || /* not above top margin OR */
|
|
adj->value == 0) /* we're scrolled to the top */
|
|
{
|
|
xtext->scroll_tag = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (adj->value < 0)
|
|
{
|
|
delta_y = adj->value * xtext->fontsize;
|
|
adj->value = 0;
|
|
} else {
|
|
delta_y = xtext->fontsize;
|
|
adj->value--;
|
|
}
|
|
xtext->select_start_y += delta_y;
|
|
xtext->select_start_adj = adj->value;
|
|
gtk_adjustment_value_changed (adj);
|
|
gtk_xtext_selection_draw (xtext, NULL, TRUE);
|
|
gtk_xtext_render_ents (xtext, buf->pagetop_ent->prev, buf->last_ent_end);
|
|
xtext->scroll_tag = g_timeout_add (gtk_xtext_timeout_ms (xtext, p_y),
|
|
(GSourceFunc)
|
|
gtk_xtext_scrollup_timeout,
|
|
xtext);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_selection_update (GtkXText * xtext, GdkEventMotion * event, int p_y, gboolean render)
|
|
{
|
|
int win_height;
|
|
int moved;
|
|
|
|
if (xtext->scroll_tag)
|
|
{
|
|
return;
|
|
}
|
|
|
|
win_height = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
|
|
/* selecting past top of window, scroll up! */
|
|
if (p_y < 0 && xtext->adj->value >= 0)
|
|
{
|
|
gtk_xtext_scrollup_timeout (xtext);
|
|
}
|
|
|
|
/* selecting past bottom of window, scroll down! */
|
|
else if (p_y > win_height &&
|
|
xtext->adj->value < (xtext->adj->upper - xtext->adj->page_size))
|
|
{
|
|
gtk_xtext_scrolldown_timeout (xtext);
|
|
}
|
|
else
|
|
{
|
|
moved = (int)xtext->adj->value - xtext->select_start_adj;
|
|
xtext->select_start_y -= (moved * xtext->fontsize);
|
|
xtext->select_start_adj = xtext->adj->value;
|
|
gtk_xtext_selection_draw (xtext, event, render);
|
|
}
|
|
}
|
|
|
|
static char *
|
|
gtk_xtext_get_word (GtkXText * xtext, int x, int y, textentry ** ret_ent,
|
|
int *ret_off, int *ret_len, GSList **slp)
|
|
{
|
|
textentry *ent;
|
|
int offset;
|
|
unsigned char *word;
|
|
int len;
|
|
int out_of_bounds = 0;
|
|
int len_to_offset = 0;
|
|
|
|
ent = gtk_xtext_find_char (xtext, x, y, &offset, &out_of_bounds);
|
|
if (!ent)
|
|
return 0;
|
|
|
|
if (out_of_bounds)
|
|
return 0;
|
|
|
|
if (offset == ent->str_len)
|
|
return 0;
|
|
|
|
if (offset < 1)
|
|
return 0;
|
|
|
|
/*offset--;*/ /* FIXME: not all chars are 1 byte */
|
|
|
|
word = ent->str + offset;
|
|
|
|
while (!is_del (*word) && word != ent->str)
|
|
{
|
|
word--;
|
|
len_to_offset++;
|
|
}
|
|
word++;
|
|
len_to_offset--;
|
|
|
|
/* remove color characters from the length */
|
|
gtk_xtext_strip_color (word, len_to_offset, xtext->scratch_buffer, &len_to_offset, NULL, slp, FALSE);
|
|
|
|
len = 0;
|
|
while (!is_del (word[len]) && len != ent->str_len)
|
|
len++;
|
|
|
|
if (len > 0 && word[len-1]=='.')
|
|
len--;
|
|
|
|
if (ret_ent)
|
|
*ret_ent = ent;
|
|
if (ret_off)
|
|
*ret_off = word - ent->str;
|
|
if (ret_len)
|
|
*ret_len = len; /* Length before stripping */
|
|
|
|
word = gtk_xtext_strip_color (word, len, xtext->scratch_buffer, NULL, NULL, slp, FALSE);
|
|
|
|
/* avoid turning the cursor into a hand for non-url part of the word */
|
|
if (xtext->urlcheck_function && xtext->urlcheck_function (GTK_WIDGET (xtext), word))
|
|
{
|
|
int start, end;
|
|
url_last (&start, &end);
|
|
|
|
/* make sure we're not before the start of the match */
|
|
if (len_to_offset < start)
|
|
return 0;
|
|
|
|
/* and not after it */
|
|
if (len_to_offset - start >= end - start)
|
|
return 0;
|
|
}
|
|
|
|
return word;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_unrender_hilight (GtkXText *xtext)
|
|
{
|
|
xtext->render_hilights_only = TRUE;
|
|
xtext->skip_border_fills = TRUE;
|
|
xtext->skip_stamp = TRUE;
|
|
xtext->un_hilight = TRUE;
|
|
|
|
gtk_xtext_render_ents (xtext, xtext->hilight_ent, NULL);
|
|
|
|
xtext->render_hilights_only = FALSE;
|
|
xtext->skip_border_fills = FALSE;
|
|
xtext->skip_stamp = FALSE;
|
|
xtext->un_hilight = FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_leave_notify (GtkWidget * widget, GdkEventCrossing * event)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
|
|
if (xtext->cursor_hand)
|
|
{
|
|
gtk_xtext_unrender_hilight (xtext);
|
|
xtext->hilight_start = -1;
|
|
xtext->hilight_end = -1;
|
|
xtext->cursor_hand = FALSE;
|
|
gdk_window_set_cursor (widget->window, 0);
|
|
xtext->hilight_ent = NULL;
|
|
}
|
|
|
|
if (xtext->cursor_resize)
|
|
{
|
|
gtk_xtext_unrender_hilight (xtext);
|
|
xtext->hilight_start = -1;
|
|
xtext->hilight_end = -1;
|
|
xtext->cursor_resize = FALSE;
|
|
gdk_window_set_cursor (widget->window, 0);
|
|
xtext->hilight_ent = NULL;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* check if we should mark time stamps, and if a redraw is needed */
|
|
|
|
static gboolean
|
|
gtk_xtext_check_mark_stamp (GtkXText *xtext, GdkModifierType mask)
|
|
{
|
|
gboolean redraw = FALSE;
|
|
|
|
if (mask & STATE_SHIFT || prefs.hex_text_autocopy_stamp)
|
|
{
|
|
if (!xtext->mark_stamp)
|
|
{
|
|
redraw = TRUE; /* must redraw all */
|
|
xtext->mark_stamp = TRUE;
|
|
}
|
|
} else
|
|
{
|
|
if (xtext->mark_stamp)
|
|
{
|
|
redraw = TRUE; /* must redraw all */
|
|
xtext->mark_stamp = FALSE;
|
|
}
|
|
}
|
|
return redraw;
|
|
}
|
|
|
|
static int
|
|
gtk_xtext_get_word_adjust (GtkXText *xtext, int x, int y, textentry **word_ent, int *offset, int *len)
|
|
{
|
|
GSList *slp = NULL;
|
|
unsigned char *word;
|
|
int word_type = 0;
|
|
|
|
word = gtk_xtext_get_word (xtext, x, y, word_ent, offset, len, &slp);
|
|
if (word)
|
|
{
|
|
int laststart, lastend;
|
|
|
|
word_type = xtext->urlcheck_function (GTK_WIDGET (xtext), word);
|
|
if (word_type > 0)
|
|
{
|
|
if (url_last (&laststart, &lastend))
|
|
{
|
|
int cumlen, startadj = 0, endadj = 0;
|
|
offlen_t o;
|
|
GSList *sl;
|
|
|
|
for (sl = slp, cumlen = 0; sl; sl = g_slist_next (sl))
|
|
{
|
|
o.u = GPOINTER_TO_UINT (sl->data);
|
|
startadj = o.o.off - cumlen;
|
|
cumlen += o.o.len;
|
|
if (laststart < cumlen)
|
|
break;
|
|
}
|
|
for (sl = slp, cumlen = 0; sl; sl = g_slist_next (sl))
|
|
{
|
|
o.u = GPOINTER_TO_UINT (sl->data);
|
|
endadj = o.o.off - cumlen;
|
|
cumlen += o.o.len;
|
|
if (lastend < cumlen)
|
|
break;
|
|
}
|
|
laststart += startadj;
|
|
*offset += laststart;
|
|
*len = lastend + endadj - laststart;
|
|
}
|
|
}
|
|
}
|
|
g_slist_free (slp);
|
|
|
|
return word_type;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_motion_notify (GtkWidget * widget, GdkEventMotion * event)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
GdkModifierType mask;
|
|
int redraw, tmp, x, y, offset, len, line_x;
|
|
textentry *word_ent;
|
|
int word_type;
|
|
|
|
gdk_window_get_pointer (widget->window, &x, &y, &mask);
|
|
|
|
if (xtext->moving_separator)
|
|
{
|
|
if (x < (3 * widget->allocation.width) / 5 && x > 15)
|
|
{
|
|
tmp = xtext->buffer->indent;
|
|
xtext->buffer->indent = x;
|
|
gtk_xtext_fix_indent (xtext->buffer);
|
|
if (tmp != xtext->buffer->indent)
|
|
{
|
|
gtk_xtext_recalc_widths (xtext->buffer, FALSE);
|
|
if (xtext->buffer->scrollbar_down)
|
|
gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
|
|
xtext->adj->page_size);
|
|
if (!xtext->io_tag)
|
|
xtext->io_tag = g_timeout_add (REFRESH_TIMEOUT,
|
|
(GSourceFunc)
|
|
gtk_xtext_adjustment_timeout,
|
|
xtext);
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
if (xtext->button_down)
|
|
{
|
|
redraw = gtk_xtext_check_mark_stamp (xtext, mask);
|
|
gtk_grab_add (widget);
|
|
/*gdk_pointer_grab (widget->window, TRUE,
|
|
GDK_BUTTON_RELEASE_MASK |
|
|
GDK_BUTTON_MOTION_MASK, NULL, NULL, 0);*/
|
|
xtext->select_end_x = x;
|
|
xtext->select_end_y = y;
|
|
gtk_xtext_selection_update (xtext, event, y, !redraw);
|
|
xtext->hilighting = TRUE;
|
|
|
|
/* user has pressed or released SHIFT, must redraw entire selection */
|
|
if (redraw)
|
|
{
|
|
xtext->force_stamp = TRUE;
|
|
gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start,
|
|
xtext->buffer->last_ent_end);
|
|
xtext->force_stamp = FALSE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
if (xtext->separator && xtext->buffer->indent)
|
|
{
|
|
line_x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
|
|
if (line_x == x || line_x == x + 1 || line_x == x - 1)
|
|
{
|
|
if (!xtext->cursor_resize)
|
|
{
|
|
gdk_window_set_cursor (GTK_WIDGET (xtext)->window,
|
|
xtext->resize_cursor);
|
|
xtext->cursor_hand = FALSE;
|
|
xtext->cursor_resize = TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (xtext->urlcheck_function == NULL)
|
|
return FALSE;
|
|
|
|
word_type = gtk_xtext_get_word_adjust (xtext, x, y, &word_ent, &offset, &len);
|
|
if (word_type > 0)
|
|
{
|
|
if (!xtext->cursor_hand ||
|
|
xtext->hilight_ent != word_ent ||
|
|
xtext->hilight_start != offset ||
|
|
xtext->hilight_end != offset + len)
|
|
{
|
|
if (!xtext->cursor_hand)
|
|
{
|
|
gdk_window_set_cursor (GTK_WIDGET (xtext)->window,
|
|
xtext->hand_cursor);
|
|
xtext->cursor_hand = TRUE;
|
|
xtext->cursor_resize = FALSE;
|
|
}
|
|
|
|
/* un-render the old hilight */
|
|
if (xtext->hilight_ent)
|
|
gtk_xtext_unrender_hilight (xtext);
|
|
|
|
xtext->hilight_ent = word_ent;
|
|
xtext->hilight_start = offset;
|
|
xtext->hilight_end = offset + len;
|
|
|
|
xtext->skip_border_fills = TRUE;
|
|
xtext->render_hilights_only = TRUE;
|
|
xtext->skip_stamp = TRUE;
|
|
|
|
gtk_xtext_render_ents (xtext, word_ent, NULL);
|
|
|
|
xtext->skip_border_fills = FALSE;
|
|
xtext->render_hilights_only = FALSE;
|
|
xtext->skip_stamp = FALSE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
gtk_xtext_leave_notify (widget, NULL);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_set_clip_owner (GtkWidget * xtext, GdkEventButton * event)
|
|
{
|
|
char *str;
|
|
int len;
|
|
|
|
if (GTK_XTEXT (xtext)->selection_buffer &&
|
|
GTK_XTEXT (xtext)->selection_buffer != GTK_XTEXT (xtext)->buffer)
|
|
gtk_xtext_selection_clear (GTK_XTEXT (xtext)->selection_buffer);
|
|
|
|
GTK_XTEXT (xtext)->selection_buffer = GTK_XTEXT (xtext)->buffer;
|
|
|
|
str = gtk_xtext_selection_get_text (GTK_XTEXT (xtext), &len);
|
|
if (str)
|
|
{
|
|
if (str[0])
|
|
{
|
|
gtk_clipboard_set_text (gtk_widget_get_clipboard (xtext, GDK_SELECTION_CLIPBOARD), str, len);
|
|
|
|
gtk_selection_owner_set (xtext, GDK_SELECTION_PRIMARY, event ? event->time : GDK_CURRENT_TIME);
|
|
gtk_selection_owner_set (xtext, GDK_SELECTION_SECONDARY, event ? event->time : GDK_CURRENT_TIME);
|
|
}
|
|
|
|
free (str);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_xtext_copy_selection (GtkXText *xtext)
|
|
{
|
|
gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_unselect (GtkXText *xtext)
|
|
{
|
|
xtext_buffer *buf = xtext->buffer;
|
|
|
|
xtext->skip_border_fills = TRUE;
|
|
xtext->skip_stamp = TRUE;
|
|
|
|
xtext->jump_in_offset = buf->last_ent_start->mark_start;
|
|
/* just a single ent was marked? */
|
|
if (buf->last_ent_start == buf->last_ent_end)
|
|
{
|
|
xtext->jump_out_offset = buf->last_ent_start->mark_end;
|
|
buf->last_ent_end = NULL;
|
|
}
|
|
|
|
gtk_xtext_selection_clear (xtext->buffer);
|
|
|
|
/* FIXME: use jump_out on multi-line selects too! */
|
|
xtext->jump_in_offset = 0;
|
|
xtext->jump_out_offset = 0;
|
|
gtk_xtext_render_ents (xtext, buf->last_ent_start, buf->last_ent_end);
|
|
|
|
xtext->skip_border_fills = FALSE;
|
|
xtext->skip_stamp = FALSE;
|
|
|
|
xtext->buffer->last_ent_start = NULL;
|
|
xtext->buffer->last_ent_end = NULL;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_button_release (GtkWidget * widget, GdkEventButton * event)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
unsigned char *word;
|
|
int old;
|
|
|
|
if (xtext->moving_separator)
|
|
{
|
|
xtext->moving_separator = FALSE;
|
|
old = xtext->buffer->indent;
|
|
if (event->x < (4 * widget->allocation.width) / 5 && event->x > 15)
|
|
xtext->buffer->indent = event->x;
|
|
gtk_xtext_fix_indent (xtext->buffer);
|
|
if (xtext->buffer->indent != old)
|
|
{
|
|
gtk_xtext_recalc_widths (xtext->buffer, FALSE);
|
|
gtk_xtext_adjustment_set (xtext->buffer, TRUE);
|
|
gtk_xtext_render_page (xtext);
|
|
} else
|
|
gtk_xtext_draw_sep (xtext, -1);
|
|
return FALSE;
|
|
}
|
|
|
|
if (xtext->word_or_line_select)
|
|
{
|
|
xtext->word_or_line_select = FALSE;
|
|
xtext->button_down = FALSE;
|
|
return FALSE;
|
|
}
|
|
|
|
if (event->button == 1)
|
|
{
|
|
xtext->button_down = FALSE;
|
|
if (xtext->scroll_tag)
|
|
{
|
|
g_source_remove (xtext->scroll_tag);
|
|
xtext->scroll_tag = 0;
|
|
}
|
|
|
|
gtk_grab_remove (widget);
|
|
/*gdk_pointer_ungrab (0);*/
|
|
|
|
/* got a new selection? */
|
|
if (xtext->buffer->last_ent_start)
|
|
{
|
|
xtext->color_paste = FALSE;
|
|
if (event->state & STATE_CTRL || prefs.hex_text_autocopy_color)
|
|
xtext->color_paste = TRUE;
|
|
if (prefs.hex_text_autocopy_text)
|
|
{
|
|
gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
|
|
}
|
|
}
|
|
|
|
if (xtext->select_start_x == event->x &&
|
|
xtext->select_start_y == event->y &&
|
|
xtext->buffer->last_ent_start)
|
|
{
|
|
gtk_xtext_unselect (xtext);
|
|
xtext->mark_stamp = FALSE;
|
|
return FALSE;
|
|
}
|
|
|
|
if (!xtext->hilighting)
|
|
{
|
|
word = gtk_xtext_get_word (xtext, event->x, event->y, 0, 0, 0, 0);
|
|
g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0, word ? word : NULL, event);
|
|
} else
|
|
{
|
|
xtext->hilighting = FALSE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_button_press (GtkWidget * widget, GdkEventButton * event)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
GdkModifierType mask;
|
|
textentry *ent;
|
|
unsigned char *word;
|
|
int line_x, x, y, offset, len;
|
|
|
|
gdk_window_get_pointer (widget->window, &x, &y, &mask);
|
|
|
|
if (event->button == 3 || event->button == 2) /* right/middle click */
|
|
{
|
|
word = gtk_xtext_get_word (xtext, x, y, 0, 0, 0, 0);
|
|
if (word)
|
|
{
|
|
g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0,
|
|
word, event);
|
|
} else
|
|
g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0,
|
|
"", event);
|
|
return FALSE;
|
|
}
|
|
|
|
if (event->button != 1) /* we only want left button */
|
|
return FALSE;
|
|
|
|
if (event->type == GDK_2BUTTON_PRESS) /* WORD select */
|
|
{
|
|
gtk_xtext_check_mark_stamp (xtext, mask);
|
|
if (gtk_xtext_get_word (xtext, x, y, &ent, &offset, &len, 0))
|
|
{
|
|
if (len == 0)
|
|
return FALSE;
|
|
gtk_xtext_selection_clear (xtext->buffer);
|
|
ent->mark_start = offset;
|
|
ent->mark_end = offset + len;
|
|
gtk_xtext_selection_render (xtext, ent, offset, ent, offset + len);
|
|
xtext->word_or_line_select = TRUE;
|
|
if (prefs.hex_text_autocopy_text)
|
|
{
|
|
gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
if (event->type == GDK_3BUTTON_PRESS) /* LINE select */
|
|
{
|
|
gtk_xtext_check_mark_stamp (xtext, mask);
|
|
if (gtk_xtext_get_word (xtext, x, y, &ent, 0, 0, 0))
|
|
{
|
|
gtk_xtext_selection_clear (xtext->buffer);
|
|
ent->mark_start = 0;
|
|
ent->mark_end = ent->str_len;
|
|
gtk_xtext_selection_render (xtext, ent, 0, ent, ent->str_len);
|
|
xtext->word_or_line_select = TRUE;
|
|
if (prefs.hex_text_autocopy_text)
|
|
{
|
|
gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* check if it was a separator-bar click */
|
|
if (xtext->separator && xtext->buffer->indent)
|
|
{
|
|
line_x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
|
|
if (line_x == x || line_x == x + 1 || line_x == x - 1)
|
|
{
|
|
xtext->moving_separator = TRUE;
|
|
/* draw the separator line */
|
|
gtk_xtext_draw_sep (xtext, -1);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
xtext->button_down = TRUE;
|
|
xtext->select_start_x = x;
|
|
xtext->select_start_y = y;
|
|
xtext->select_start_adj = xtext->adj->value;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* another program has claimed the selection */
|
|
|
|
static gboolean
|
|
gtk_xtext_selection_kill (GtkXText *xtext, GdkEventSelection *event)
|
|
{
|
|
#ifndef WIN32
|
|
if (xtext->buffer->last_ent_start)
|
|
gtk_xtext_unselect (xtext);
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
static char *
|
|
gtk_xtext_selection_get_text (GtkXText *xtext, int *len_ret)
|
|
{
|
|
textentry *ent;
|
|
char *txt;
|
|
char *pos;
|
|
char *stripped;
|
|
int len;
|
|
int first = TRUE;
|
|
xtext_buffer *buf;
|
|
|
|
buf = xtext->selection_buffer;
|
|
if (!buf)
|
|
return NULL;
|
|
|
|
/* first find out how much we need to malloc ... */
|
|
len = 0;
|
|
ent = buf->last_ent_start;
|
|
while (ent)
|
|
{
|
|
if (ent->mark_start != -1)
|
|
{
|
|
/* include timestamp? */
|
|
if (ent->mark_start == 0 && xtext->mark_stamp)
|
|
{
|
|
char *time_str;
|
|
int stamp_size = xtext_get_stamp_str (ent->stamp, &time_str);
|
|
g_free (time_str);
|
|
len += stamp_size;
|
|
}
|
|
|
|
if (ent->mark_end - ent->mark_start > 0)
|
|
len += (ent->mark_end - ent->mark_start) + 1;
|
|
else
|
|
len++;
|
|
}
|
|
if (ent == buf->last_ent_end)
|
|
break;
|
|
ent = ent->next;
|
|
}
|
|
|
|
if (len < 1)
|
|
return NULL;
|
|
|
|
/* now allocate mem and copy buffer */
|
|
pos = txt = malloc (len);
|
|
ent = buf->last_ent_start;
|
|
while (ent)
|
|
{
|
|
if (ent->mark_start != -1)
|
|
{
|
|
if (!first)
|
|
{
|
|
*pos = '\n';
|
|
pos++;
|
|
}
|
|
first = FALSE;
|
|
if (ent->mark_end - ent->mark_start > 0)
|
|
{
|
|
/* include timestamp? */
|
|
if (ent->mark_start == 0 && xtext->mark_stamp)
|
|
{
|
|
char *time_str;
|
|
int stamp_size = xtext_get_stamp_str (ent->stamp, &time_str);
|
|
memcpy (pos, time_str, stamp_size);
|
|
g_free (time_str);
|
|
pos += stamp_size;
|
|
}
|
|
|
|
memcpy (pos, ent->str + ent->mark_start,
|
|
ent->mark_end - ent->mark_start);
|
|
pos += ent->mark_end - ent->mark_start;
|
|
}
|
|
}
|
|
if (ent == buf->last_ent_end)
|
|
break;
|
|
ent = ent->next;
|
|
}
|
|
*pos = 0;
|
|
|
|
if (xtext->color_paste)
|
|
{
|
|
/*stripped = gtk_xtext_conv_color (txt, strlen (txt), &len);*/
|
|
stripped = txt;
|
|
len = strlen (txt);
|
|
} else
|
|
{
|
|
stripped = gtk_xtext_strip_color (txt, strlen (txt), NULL, &len, NULL, NULL, FALSE);
|
|
free (txt);
|
|
}
|
|
|
|
*len_ret = len;
|
|
return stripped;
|
|
}
|
|
|
|
/* another program is asking for our selection */
|
|
|
|
static void
|
|
gtk_xtext_selection_get (GtkWidget * widget,
|
|
GtkSelectionData * selection_data_ptr,
|
|
guint info, guint time)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
char *stripped;
|
|
guchar *new_text;
|
|
int len;
|
|
gsize glen;
|
|
|
|
stripped = gtk_xtext_selection_get_text (xtext, &len);
|
|
if (!stripped)
|
|
return;
|
|
|
|
switch (info)
|
|
{
|
|
case TARGET_UTF8_STRING:
|
|
/* it's already in utf8 */
|
|
gtk_selection_data_set_text (selection_data_ptr, stripped, len);
|
|
break;
|
|
case TARGET_TEXT:
|
|
case TARGET_COMPOUND_TEXT:
|
|
#ifdef GDK_WINDOWING_X11
|
|
{
|
|
GdkDisplay *display = gdk_window_get_display (widget->window);
|
|
GdkAtom encoding;
|
|
gint format;
|
|
gint new_length;
|
|
|
|
gdk_x11_display_string_to_compound_text (display, stripped, &encoding,
|
|
&format, &new_text, &new_length);
|
|
gtk_selection_data_set (selection_data_ptr, encoding, format,
|
|
new_text, new_length);
|
|
gdk_x11_free_compound_text (new_text);
|
|
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
new_text = g_locale_from_utf8 (stripped, len, NULL, &glen, NULL);
|
|
gtk_selection_data_set (selection_data_ptr, GDK_SELECTION_TYPE_STRING,
|
|
8, new_text, glen);
|
|
g_free (new_text);
|
|
}
|
|
|
|
free (stripped);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_scroll (GtkWidget *widget, GdkEventScroll *event)
|
|
{
|
|
GtkXText *xtext = GTK_XTEXT (widget);
|
|
gfloat new_value;
|
|
|
|
if (event->direction == GDK_SCROLL_UP) /* mouse wheel pageUp */
|
|
{
|
|
new_value = xtext->adj->value - (xtext->adj->page_increment / 10);
|
|
if (new_value < xtext->adj->lower)
|
|
new_value = xtext->adj->lower;
|
|
gtk_adjustment_set_value (xtext->adj, new_value);
|
|
}
|
|
else if (event->direction == GDK_SCROLL_DOWN) /* mouse wheel pageDn */
|
|
{
|
|
new_value = xtext->adj->value + (xtext->adj->page_increment / 10);
|
|
if (new_value > (xtext->adj->upper - xtext->adj->page_size))
|
|
new_value = xtext->adj->upper - xtext->adj->page_size;
|
|
gtk_adjustment_set_value (xtext->adj, new_value);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_class_init (GtkXTextClass * class)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
GtkWidgetClass *widget_class;
|
|
GtkXTextClass *xtext_class;
|
|
|
|
object_class = (GtkObjectClass *) class;
|
|
widget_class = (GtkWidgetClass *) class;
|
|
xtext_class = (GtkXTextClass *) class;
|
|
|
|
parent_class = g_type_class_peek (gtk_widget_get_type ());
|
|
|
|
xtext_signals[WORD_CLICK] =
|
|
g_signal_new ("word_click",
|
|
G_TYPE_FROM_CLASS (object_class),
|
|
G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
|
|
G_STRUCT_OFFSET (GtkXTextClass, word_click),
|
|
NULL, NULL,
|
|
gtk_marshal_VOID__POINTER_POINTER,
|
|
G_TYPE_NONE,
|
|
2, G_TYPE_POINTER, G_TYPE_POINTER);
|
|
object_class->destroy = gtk_xtext_destroy;
|
|
|
|
widget_class->realize = gtk_xtext_realize;
|
|
widget_class->unrealize = gtk_xtext_unrealize;
|
|
widget_class->size_request = gtk_xtext_size_request;
|
|
widget_class->size_allocate = gtk_xtext_size_allocate;
|
|
widget_class->button_press_event = gtk_xtext_button_press;
|
|
widget_class->button_release_event = gtk_xtext_button_release;
|
|
widget_class->motion_notify_event = gtk_xtext_motion_notify;
|
|
widget_class->selection_clear_event = (void *)gtk_xtext_selection_kill;
|
|
widget_class->selection_get = gtk_xtext_selection_get;
|
|
widget_class->expose_event = gtk_xtext_expose;
|
|
widget_class->scroll_event = gtk_xtext_scroll;
|
|
widget_class->leave_notify_event = gtk_xtext_leave_notify;
|
|
|
|
xtext_class->word_click = NULL;
|
|
}
|
|
|
|
GType
|
|
gtk_xtext_get_type (void)
|
|
{
|
|
static GType xtext_type = 0;
|
|
|
|
if (!xtext_type)
|
|
{
|
|
static const GTypeInfo xtext_info =
|
|
{
|
|
sizeof (GtkXTextClass),
|
|
NULL, /* base_init */
|
|
NULL, /* base_finalize */
|
|
(GClassInitFunc) gtk_xtext_class_init,
|
|
NULL, /* class_finalize */
|
|
NULL, /* class_data */
|
|
sizeof (GtkXText),
|
|
0, /* n_preallocs */
|
|
(GInstanceInitFunc) gtk_xtext_init,
|
|
};
|
|
|
|
xtext_type = g_type_register_static (GTK_TYPE_WIDGET, "GtkXText",
|
|
&xtext_info, 0);
|
|
}
|
|
|
|
return xtext_type;
|
|
}
|
|
|
|
/* strip MIRC colors and other attribs. */
|
|
|
|
/* CL: needs to strip hidden when called by gtk_xtext_text_width, but not when copying text */
|
|
|
|
static unsigned char *
|
|
gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf,
|
|
int *newlen, int *mb_ret, GSList **slp, int strip_hidden)
|
|
{
|
|
int i = 0;
|
|
int rcol = 0, bgcol = 0;
|
|
int hidden = FALSE;
|
|
unsigned char *new_str;
|
|
int mb = FALSE;
|
|
GSList *sl = NULL;
|
|
unsigned char *text0 = text;
|
|
int off1, len1;
|
|
offlen_t data;
|
|
|
|
if (outbuf == NULL)
|
|
new_str = malloc (len + 2);
|
|
else
|
|
new_str = outbuf;
|
|
|
|
off1 = 0;
|
|
len1 = 0;
|
|
data.u = 0;
|
|
while (len > 0)
|
|
{
|
|
if (*text >= 128)
|
|
mb = TRUE;
|
|
|
|
if (rcol > 0 && (isdigit (*text) || (*text == ',' && isdigit (text[1]) && !bgcol)))
|
|
{
|
|
if (text[1] != ',') rcol--;
|
|
if (*text == ',')
|
|
{
|
|
rcol = 2;
|
|
bgcol = 1;
|
|
}
|
|
} else
|
|
{
|
|
rcol = bgcol = 0;
|
|
switch (*text)
|
|
{
|
|
case ATTR_COLOR:
|
|
rcol = 2;
|
|
break;
|
|
case ATTR_BEEP:
|
|
case ATTR_RESET:
|
|
case ATTR_REVERSE:
|
|
case ATTR_BOLD:
|
|
case ATTR_UNDERLINE:
|
|
case ATTR_ITALICS:
|
|
break;
|
|
case ATTR_HIDDEN:
|
|
hidden = !hidden;
|
|
break;
|
|
default:
|
|
if (!(hidden && strip_hidden))
|
|
{
|
|
if (text - text0 - off1 != len1)
|
|
{
|
|
if (len1)
|
|
{
|
|
data.o.off = off1;
|
|
data.o.len = len1;
|
|
sl = g_slist_append (sl, GUINT_TO_POINTER (data.u));
|
|
len1 = 0;
|
|
}
|
|
off1 = text - text0;
|
|
}
|
|
len1++;
|
|
new_str[i++] = *text;
|
|
}
|
|
}
|
|
}
|
|
text++;
|
|
len--;
|
|
}
|
|
if (len1)
|
|
{
|
|
data.o.off = off1;
|
|
data.o.len = len1;
|
|
sl = g_slist_append (sl, GUINT_TO_POINTER (data.u));
|
|
}
|
|
|
|
new_str[i] = 0;
|
|
|
|
if (newlen != NULL)
|
|
*newlen = i;
|
|
|
|
if (mb_ret != NULL)
|
|
*mb_ret = mb;
|
|
|
|
if (slp)
|
|
*slp = sl;
|
|
else
|
|
g_slist_free (sl);
|
|
|
|
return new_str;
|
|
}
|
|
|
|
/* gives width of a string, excluding the mIRC codes */
|
|
|
|
static int
|
|
gtk_xtext_text_width (GtkXText *xtext, unsigned char *text, int len,
|
|
int *mb_ret)
|
|
{
|
|
unsigned char *new_buf;
|
|
int new_len, mb;
|
|
|
|
new_buf = gtk_xtext_strip_color (text, len, xtext->scratch_buffer,
|
|
&new_len, &mb, NULL, !xtext->ignore_hidden);
|
|
|
|
if (mb_ret)
|
|
*mb_ret = mb;
|
|
|
|
return backend_get_text_width (xtext, new_buf, new_len, mb);
|
|
}
|
|
|
|
/* actually draw text to screen (one run with the same color/attribs) */
|
|
|
|
static int
|
|
gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
|
|
int len, GdkGC *gc, int is_mb)
|
|
{
|
|
int str_width, dofill;
|
|
GdkDrawable *pix = NULL;
|
|
int dest_x = 0, dest_y = 0;
|
|
|
|
if (xtext->dont_render || len < 1 || xtext->hidden)
|
|
return 0;
|
|
|
|
str_width = backend_get_text_width (xtext, str, len, is_mb);
|
|
|
|
if (xtext->dont_render2)
|
|
return str_width;
|
|
|
|
/* roll-your-own clipping (avoiding XftDrawString is always good!) */
|
|
if (x > xtext->clip_x2 || x + str_width < xtext->clip_x)
|
|
return str_width;
|
|
if (y - xtext->font->ascent > xtext->clip_y2 || (y - xtext->font->ascent) + xtext->fontsize < xtext->clip_y)
|
|
return str_width;
|
|
|
|
if (xtext->render_hilights_only)
|
|
{
|
|
if (!xtext->in_hilight) /* is it a hilight prefix? */
|
|
return str_width;
|
|
if (!xtext->un_hilight) /* doing a hilight? no need to draw the text */
|
|
goto dounder;
|
|
}
|
|
|
|
pix = gdk_pixmap_new (xtext->draw_buf, str_width, xtext->fontsize, xtext->depth);
|
|
if (pix)
|
|
{
|
|
dest_x = x;
|
|
dest_y = y - xtext->font->ascent;
|
|
|
|
gdk_gc_set_ts_origin (xtext->bgc, xtext->ts_x - x, xtext->ts_y - dest_y);
|
|
|
|
x = 0;
|
|
y = xtext->font->ascent;
|
|
xtext->draw_buf = pix;
|
|
}
|
|
|
|
dofill = TRUE;
|
|
|
|
/* backcolor is always handled by XDrawImageString */
|
|
if (!xtext->backcolor && xtext->pixmap)
|
|
{
|
|
/* draw the background pixmap behind the text - CAUSES FLICKER HERE!! */
|
|
xtext_draw_bg (xtext, x, y - xtext->font->ascent, str_width,
|
|
xtext->fontsize);
|
|
dofill = FALSE; /* already drawn the background */
|
|
}
|
|
|
|
backend_draw_text (xtext, dofill, gc, x, y, str, len, str_width, is_mb);
|
|
|
|
if (pix)
|
|
{
|
|
GdkRectangle clip;
|
|
GdkRectangle dest;
|
|
|
|
gdk_gc_set_ts_origin (xtext->bgc, xtext->ts_x, xtext->ts_y);
|
|
xtext->draw_buf = GTK_WIDGET (xtext)->window;
|
|
clip.x = xtext->clip_x;
|
|
clip.y = xtext->clip_y;
|
|
clip.width = xtext->clip_x2 - xtext->clip_x;
|
|
clip.height = xtext->clip_y2 - xtext->clip_y;
|
|
|
|
dest.x = dest_x;
|
|
dest.y = dest_y;
|
|
dest.width = str_width;
|
|
dest.height = xtext->fontsize;
|
|
|
|
if (gdk_rectangle_intersect (&clip, &dest, &dest))
|
|
/* dump the DB to window, but only within the clip_x/x2/y/y2 */
|
|
gdk_draw_drawable (xtext->draw_buf, xtext->bgc, pix,
|
|
dest.x - dest_x, dest.y - dest_y,
|
|
dest.x, dest.y, dest.width, dest.height);
|
|
g_object_unref (pix);
|
|
}
|
|
|
|
if (xtext->underline)
|
|
{
|
|
dounder:
|
|
|
|
if (pix)
|
|
y = dest_y + xtext->font->ascent + 1;
|
|
else
|
|
{
|
|
y++;
|
|
dest_x = x;
|
|
}
|
|
/* draw directly to window, it's out of the range of our DB */
|
|
gdk_draw_line (xtext->draw_buf, gc, dest_x, y, dest_x + str_width - 1, y);
|
|
}
|
|
|
|
return str_width;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_reset (GtkXText * xtext, int mark, int attribs)
|
|
{
|
|
if (attribs)
|
|
{
|
|
xtext->underline = FALSE;
|
|
xtext->bold = FALSE;
|
|
xtext->italics = FALSE;
|
|
xtext->hidden = FALSE;
|
|
}
|
|
if (!mark)
|
|
{
|
|
xtext->backcolor = FALSE;
|
|
if (xtext->col_fore != XTEXT_FG)
|
|
xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
|
|
if (xtext->col_back != XTEXT_BG)
|
|
xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
|
|
}
|
|
xtext->col_fore = XTEXT_FG;
|
|
xtext->col_back = XTEXT_BG;
|
|
xtext->parsing_color = FALSE;
|
|
xtext->parsing_backcolor = FALSE;
|
|
xtext->nc = 0;
|
|
}
|
|
|
|
/*
|
|
* gtk_xtext_search_offset (buf, ent, off) --
|
|
* Look for arg offset in arg textentry
|
|
* Return one or more flags:
|
|
* GTK_MATCH_MID if we are in a match
|
|
* GTK_MATCH_START if we're at the first byte of it
|
|
* GTK_MATCH_END if we're at the first byte past it
|
|
* GTK_MATCH_CUR if it is the current match
|
|
*/
|
|
#define GTK_MATCH_START 1
|
|
#define GTK_MATCH_MID 2
|
|
#define GTK_MATCH_END 4
|
|
#define GTK_MATCH_CUR 8
|
|
static int
|
|
gtk_xtext_search_offset (xtext_buffer *buf, textentry *ent, unsigned int off)
|
|
{
|
|
GList *gl;
|
|
offsets_t o;
|
|
int flags = 0;
|
|
|
|
for (gl = g_list_first (ent->marks); gl; gl = g_list_next (gl))
|
|
{
|
|
o.u = GPOINTER_TO_UINT (gl->data);
|
|
if (off < o.o.start || off > o.o.end)
|
|
continue;
|
|
flags = GTK_MATCH_MID;
|
|
if (off == o.o.start)
|
|
flags |= GTK_MATCH_START;
|
|
if (off == o.o.end)
|
|
{
|
|
gl = g_list_next (gl);
|
|
if (gl)
|
|
{
|
|
o.u = GPOINTER_TO_UINT (gl->data);
|
|
if (off == o.o.start) /* If subseq match is adjacent */
|
|
{
|
|
flags |= (gl == buf->curmark)? GTK_MATCH_CUR: 0;
|
|
}
|
|
else /* If subseq match is not adjacent */
|
|
{
|
|
flags |= GTK_MATCH_END;
|
|
}
|
|
}
|
|
else /* If there is no subseq match */
|
|
{
|
|
flags |= GTK_MATCH_END;
|
|
}
|
|
}
|
|
else if (gl == buf->curmark) /* If not yet at the end of this match */
|
|
{
|
|
flags |= GTK_MATCH_CUR;
|
|
}
|
|
break;
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
/* render a single line, which WONT wrap, and parse mIRC colors */
|
|
|
|
static int
|
|
gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent,
|
|
unsigned char *str, int len, int win_width, int indent,
|
|
int line, int left_only, int *x_size_ret)
|
|
{
|
|
GdkGC *gc;
|
|
int i = 0, x = indent, j = 0;
|
|
unsigned char *pstr = str;
|
|
int col_num, tmp;
|
|
int offset;
|
|
int mark = FALSE;
|
|
int ret = 1;
|
|
int k;
|
|
int srch_underline = FALSE;
|
|
int srch_mark = FALSE;
|
|
|
|
xtext->in_hilight = FALSE;
|
|
|
|
offset = str - ent->str;
|
|
|
|
if (line < 255 && line >= 0)
|
|
xtext->buffer->grid_offset[line] = offset;
|
|
|
|
gc = xtext->fgc; /* our foreground GC */
|
|
|
|
if (ent->mark_start != -1 &&
|
|
ent->mark_start <= i + offset && ent->mark_end > i + offset)
|
|
{
|
|
xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
|
|
xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
|
|
xtext->backcolor = TRUE;
|
|
mark = TRUE;
|
|
}
|
|
if (xtext->hilight_ent == ent &&
|
|
xtext->hilight_start <= i + offset && xtext->hilight_end > i + offset)
|
|
{
|
|
if (!xtext->un_hilight)
|
|
{
|
|
xtext->underline = TRUE;
|
|
}
|
|
xtext->in_hilight = TRUE;
|
|
}
|
|
|
|
if (!xtext->skip_border_fills && !xtext->dont_render)
|
|
{
|
|
/* draw background to the left of the text */
|
|
if (str == ent->str && indent > MARGIN && xtext->buffer->time_stamp)
|
|
{
|
|
/* don't overwrite the timestamp */
|
|
if (indent > xtext->stamp_width)
|
|
{
|
|
xtext_draw_bg (xtext, xtext->stamp_width, y - xtext->font->ascent,
|
|
indent - xtext->stamp_width, xtext->fontsize);
|
|
}
|
|
} else
|
|
{
|
|
/* fill the indent area with background gc */
|
|
if (indent >= xtext->clip_x)
|
|
{
|
|
xtext_draw_bg (xtext, 0, y - xtext->font->ascent,
|
|
MIN (indent, xtext->clip_x2), xtext->fontsize);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (xtext->jump_in_offset > 0 && offset < xtext->jump_in_offset)
|
|
xtext->dont_render2 = TRUE;
|
|
|
|
while (i < len)
|
|
{
|
|
|
|
if (xtext->hilight_ent == ent && xtext->hilight_start == (i + offset))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
if (!xtext->un_hilight)
|
|
{
|
|
xtext->underline = TRUE;
|
|
}
|
|
|
|
xtext->in_hilight = TRUE;
|
|
}
|
|
|
|
if ((xtext->parsing_color && isdigit (str[i]) && xtext->nc < 2) ||
|
|
(xtext->parsing_color && str[i] == ',' && isdigit (str[i+1]) && xtext->nc < 3 && !xtext->parsing_backcolor))
|
|
{
|
|
pstr++;
|
|
if (str[i] == ',')
|
|
{
|
|
xtext->parsing_backcolor = TRUE;
|
|
if (xtext->nc)
|
|
{
|
|
xtext->num[xtext->nc] = 0;
|
|
xtext->nc = 0;
|
|
col_num = atoi (xtext->num);
|
|
if (col_num == 99) /* mIRC lameness */
|
|
col_num = XTEXT_FG;
|
|
else
|
|
if (col_num > XTEXT_MAX_COLOR)
|
|
col_num = col_num % XTEXT_MIRC_COLS;
|
|
xtext->col_fore = col_num;
|
|
if (!mark)
|
|
xtext_set_fg (xtext, gc, col_num);
|
|
}
|
|
} else
|
|
{
|
|
xtext->num[xtext->nc] = str[i];
|
|
if (xtext->nc < 7)
|
|
xtext->nc++;
|
|
}
|
|
} else
|
|
{
|
|
if (xtext->parsing_color)
|
|
{
|
|
xtext->parsing_color = FALSE;
|
|
if (xtext->nc)
|
|
{
|
|
xtext->num[xtext->nc] = 0;
|
|
xtext->nc = 0;
|
|
col_num = atoi (xtext->num);
|
|
if (xtext->parsing_backcolor)
|
|
{
|
|
if (col_num == 99) /* mIRC lameness */
|
|
col_num = XTEXT_BG;
|
|
else
|
|
if (col_num > XTEXT_MAX_COLOR)
|
|
col_num = col_num % XTEXT_MIRC_COLS;
|
|
if (col_num == XTEXT_BG)
|
|
xtext->backcolor = FALSE;
|
|
else
|
|
xtext->backcolor = TRUE;
|
|
if (!mark)
|
|
xtext_set_bg (xtext, gc, col_num);
|
|
xtext->col_back = col_num;
|
|
} else
|
|
{
|
|
if (col_num == 99) /* mIRC lameness */
|
|
col_num = XTEXT_FG;
|
|
else
|
|
if (col_num > XTEXT_MAX_COLOR)
|
|
col_num = col_num % XTEXT_MIRC_COLS;
|
|
if (!mark)
|
|
xtext_set_fg (xtext, gc, col_num);
|
|
xtext->col_fore = col_num;
|
|
}
|
|
xtext->parsing_backcolor = FALSE;
|
|
} else
|
|
{
|
|
/* got a \003<non-digit>... i.e. reset colors */
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
gtk_xtext_reset (xtext, mark, FALSE);
|
|
}
|
|
}
|
|
|
|
if (!left_only && !mark &&
|
|
(k = gtk_xtext_search_offset (xtext->buffer, ent, offset + i)))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
if (!(xtext->buffer->search_flags & highlight))
|
|
{
|
|
if (k & GTK_MATCH_CUR)
|
|
{
|
|
xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
|
|
xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
|
|
xtext->backcolor = TRUE;
|
|
srch_mark = TRUE;
|
|
} else
|
|
{
|
|
xtext_set_bg (xtext, gc, xtext->col_back);
|
|
xtext_set_fg (xtext, gc, xtext->col_fore);
|
|
xtext->backcolor = (xtext->col_back != XTEXT_BG)? TRUE: FALSE;
|
|
srch_mark = FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
xtext->underline = (k & GTK_MATCH_CUR)? TRUE: FALSE;
|
|
if (k & (GTK_MATCH_START | GTK_MATCH_MID))
|
|
{
|
|
xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
|
|
xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
|
|
xtext->backcolor = TRUE;
|
|
srch_mark = TRUE;
|
|
}
|
|
if (k & GTK_MATCH_END)
|
|
{
|
|
xtext_set_bg (xtext, gc, xtext->col_back);
|
|
xtext_set_fg (xtext, gc, xtext->col_fore);
|
|
xtext->backcolor = (xtext->col_back != XTEXT_BG)? TRUE: FALSE;
|
|
srch_mark = FALSE;
|
|
xtext->underline = FALSE;
|
|
}
|
|
srch_underline = xtext->underline;
|
|
}
|
|
}
|
|
|
|
switch (str[i])
|
|
{
|
|
case '\n':
|
|
/*case ATTR_BEEP:*/
|
|
break;
|
|
case ATTR_REVERSE:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j + 1;
|
|
j = 0;
|
|
tmp = xtext->col_fore;
|
|
xtext->col_fore = xtext->col_back;
|
|
xtext->col_back = tmp;
|
|
if (!mark)
|
|
{
|
|
xtext_set_fg (xtext, gc, xtext->col_fore);
|
|
xtext_set_bg (xtext, gc, xtext->col_back);
|
|
}
|
|
if (xtext->col_back != XTEXT_BG)
|
|
xtext->backcolor = TRUE;
|
|
else
|
|
xtext->backcolor = FALSE;
|
|
break;
|
|
case ATTR_BOLD:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
xtext->bold = !xtext->bold;
|
|
pstr += j + 1;
|
|
j = 0;
|
|
break;
|
|
case ATTR_UNDERLINE:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
xtext->underline = !xtext->underline;
|
|
pstr += j + 1;
|
|
j = 0;
|
|
break;
|
|
case ATTR_ITALICS:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
xtext->italics = !xtext->italics;
|
|
pstr += j + 1;
|
|
j = 0;
|
|
break;
|
|
case ATTR_HIDDEN:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
xtext->hidden = (!xtext->hidden) & (!xtext->ignore_hidden);
|
|
pstr += j + 1;
|
|
j = 0;
|
|
break;
|
|
case ATTR_RESET:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j + 1;
|
|
j = 0;
|
|
gtk_xtext_reset (xtext, mark, !xtext->in_hilight);
|
|
break;
|
|
case ATTR_COLOR:
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
xtext->parsing_color = TRUE;
|
|
pstr += j + 1;
|
|
j = 0;
|
|
break;
|
|
default:
|
|
tmp = charlen (str + i);
|
|
/* invalid utf8 safe guard */
|
|
if (tmp + i > len)
|
|
tmp = len - i;
|
|
j += tmp; /* move to the next utf8 char */
|
|
}
|
|
}
|
|
i += charlen (str + i); /* move to the next utf8 char */
|
|
/* invalid utf8 safe guard */
|
|
if (i > len)
|
|
i = len;
|
|
|
|
/* Separate the left part, the space and the right part
|
|
into separate runs, and reset bidi state inbetween.
|
|
Perform this only on the first line of the message.
|
|
*/
|
|
if (offset == 0)
|
|
{
|
|
/* we've reached the end of the left part? */
|
|
if ((pstr-str)+j == ent->left_len)
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
}
|
|
else if ((pstr-str)+j == ent->left_len+1)
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
}
|
|
}
|
|
|
|
/* have we been told to stop rendering at this point? */
|
|
if (xtext->jump_out_offset > 0 && xtext->jump_out_offset <= (i + offset))
|
|
{
|
|
gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
ret = 0; /* skip the rest of the lines, we're done. */
|
|
j = 0;
|
|
break;
|
|
}
|
|
|
|
if (xtext->jump_in_offset > 0 && xtext->jump_in_offset == (i + offset))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
xtext->dont_render2 = FALSE;
|
|
}
|
|
|
|
if (xtext->hilight_ent == ent && xtext->hilight_end == (i + offset))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
xtext->underline = FALSE;
|
|
xtext->in_hilight = FALSE;
|
|
if (xtext->render_hilights_only)
|
|
{
|
|
/* stop drawing this ent */
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!mark && ent->mark_start == (i + offset))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
|
|
xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
|
|
xtext->backcolor = TRUE;
|
|
if (srch_underline)
|
|
{
|
|
xtext->underline = FALSE;
|
|
srch_underline = FALSE;
|
|
}
|
|
mark = TRUE;
|
|
}
|
|
|
|
if (mark && ent->mark_end == (i + offset))
|
|
{
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
pstr += j;
|
|
j = 0;
|
|
xtext_set_bg (xtext, gc, xtext->col_back);
|
|
xtext_set_fg (xtext, gc, xtext->col_fore);
|
|
if (xtext->col_back != XTEXT_BG)
|
|
xtext->backcolor = TRUE;
|
|
else
|
|
xtext->backcolor = FALSE;
|
|
mark = FALSE;
|
|
}
|
|
|
|
}
|
|
|
|
if (j)
|
|
x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
|
|
|
|
if (mark || srch_mark)
|
|
{
|
|
xtext_set_bg (xtext, gc, xtext->col_back);
|
|
xtext_set_fg (xtext, gc, xtext->col_fore);
|
|
if (xtext->col_back != XTEXT_BG)
|
|
xtext->backcolor = TRUE;
|
|
else
|
|
xtext->backcolor = FALSE;
|
|
}
|
|
|
|
/* draw background to the right of the text */
|
|
if (!left_only && !xtext->dont_render)
|
|
{
|
|
/* draw separator now so it doesn't appear to flicker */
|
|
gtk_xtext_draw_sep (xtext, y - xtext->font->ascent);
|
|
if (!xtext->skip_border_fills && xtext->clip_x2 >= x)
|
|
{
|
|
int xx = MAX (x, xtext->clip_x);
|
|
|
|
xtext_draw_bg (xtext,
|
|
xx, /* x */
|
|
y - xtext->font->ascent, /* y */
|
|
MIN (xtext->clip_x2 - xx, (win_width + MARGIN) - xx), /* width */
|
|
xtext->fontsize); /* height */
|
|
}
|
|
}
|
|
|
|
xtext->dont_render2 = FALSE;
|
|
|
|
/* return how much we drew in the x direction */
|
|
if (x_size_ret)
|
|
*x_size_ret = x - indent;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* walk through str until this line doesn't fit anymore */
|
|
|
|
static int
|
|
find_next_wrap (GtkXText * xtext, textentry * ent, unsigned char *str,
|
|
int win_width, int indent)
|
|
{
|
|
unsigned char *last_space = str;
|
|
unsigned char *orig_str = str;
|
|
int str_width = indent;
|
|
int rcol = 0, bgcol = 0;
|
|
int hidden = FALSE;
|
|
int mbl;
|
|
int char_width;
|
|
int ret;
|
|
int limit_offset = 0;
|
|
|
|
/* single liners */
|
|
if (win_width >= ent->str_width + ent->indent)
|
|
return ent->str_len;
|
|
|
|
/* it does happen! */
|
|
if (win_width < 1)
|
|
{
|
|
ret = ent->str_len - (str - ent->str);
|
|
goto done;
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
if (rcol > 0 && (isdigit (*str) || (*str == ',' && isdigit (str[1]) && !bgcol)))
|
|
{
|
|
if (str[1] != ',') rcol--;
|
|
if (*str == ',')
|
|
{
|
|
rcol = 2;
|
|
bgcol = 1;
|
|
}
|
|
limit_offset++;
|
|
str++;
|
|
} else
|
|
{
|
|
rcol = bgcol = 0;
|
|
switch (*str)
|
|
{
|
|
case ATTR_COLOR:
|
|
rcol = 2;
|
|
case ATTR_BEEP:
|
|
case ATTR_RESET:
|
|
case ATTR_REVERSE:
|
|
case ATTR_BOLD:
|
|
case ATTR_UNDERLINE:
|
|
case ATTR_ITALICS:
|
|
limit_offset++;
|
|
str++;
|
|
break;
|
|
case ATTR_HIDDEN:
|
|
if (xtext->ignore_hidden)
|
|
goto def;
|
|
hidden = !hidden;
|
|
limit_offset++;
|
|
str++;
|
|
break;
|
|
default:
|
|
def:
|
|
char_width = backend_get_char_width (xtext, str, &mbl);
|
|
if (!hidden) str_width += char_width;
|
|
if (str_width > win_width)
|
|
{
|
|
if (xtext->wordwrap)
|
|
{
|
|
if (str - last_space > WORDWRAP_LIMIT + limit_offset)
|
|
ret = str - orig_str; /* fall back to character wrap */
|
|
else
|
|
{
|
|
if (*last_space == ' ')
|
|
last_space++;
|
|
ret = last_space - orig_str;
|
|
if (ret == 0) /* fall back to character wrap */
|
|
ret = str - orig_str;
|
|
}
|
|
goto done;
|
|
}
|
|
ret = str - orig_str;
|
|
goto done;
|
|
}
|
|
|
|
/* keep a record of the last space, for wordwrapping */
|
|
if (is_del (*str))
|
|
{
|
|
last_space = str;
|
|
limit_offset = 0;
|
|
}
|
|
|
|
/* progress to the next char */
|
|
str += mbl;
|
|
|
|
}
|
|
}
|
|
|
|
if (str >= ent->str + ent->str_len)
|
|
{
|
|
ret = str - orig_str;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
|
|
/* must make progress */
|
|
if (ret < 1)
|
|
ret = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* find the offset, in bytes, that wrap number 'line' starts at */
|
|
|
|
static int
|
|
gtk_xtext_find_subline (GtkXText *xtext, textentry *ent, int line)
|
|
{
|
|
int win_width;
|
|
unsigned char *str;
|
|
int indent, str_pos, line_pos, len;
|
|
|
|
if (ent->lines_taken < 2 || line < 1)
|
|
return 0;
|
|
|
|
/* we record the first 4 lines' wraps, so take a shortcut */
|
|
if (line <= RECORD_WRAPS)
|
|
return ent->wrap_offset[line - 1];
|
|
|
|
win_width = gdk_window_get_width (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
win_width -= MARGIN;
|
|
|
|
/* indent = ent->indent;
|
|
str = ent->str;
|
|
line_pos = str_pos = 0;*/
|
|
|
|
/* start from the last recorded wrap, and move forward */
|
|
indent = xtext->buffer->indent;
|
|
str_pos = ent->wrap_offset[RECORD_WRAPS-1];
|
|
str = str_pos + ent->str;
|
|
line_pos = RECORD_WRAPS;
|
|
|
|
do
|
|
{
|
|
len = find_next_wrap (xtext, ent, str, win_width, indent);
|
|
indent = xtext->buffer->indent;
|
|
str += len;
|
|
str_pos += len;
|
|
line_pos++;
|
|
if (line_pos >= line)
|
|
return str_pos;
|
|
}
|
|
while (str < ent->str + ent->str_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* horrible hack for drawing time stamps */
|
|
|
|
static void
|
|
gtk_xtext_render_stamp (GtkXText * xtext, textentry * ent,
|
|
char *text, int len, int line, int win_width)
|
|
{
|
|
textentry tmp_ent;
|
|
int jo, ji, hs;
|
|
int xsize, y;
|
|
|
|
/* trashing ent here, so make a backup first */
|
|
memcpy (&tmp_ent, ent, sizeof (tmp_ent));
|
|
ent->mb = TRUE; /* make non-english days of the week work */
|
|
jo = xtext->jump_out_offset; /* back these up */
|
|
ji = xtext->jump_in_offset;
|
|
hs = xtext->hilight_start;
|
|
xtext->jump_out_offset = 0;
|
|
xtext->jump_in_offset = 0;
|
|
xtext->hilight_start = 0xffff; /* temp disable */
|
|
|
|
if (xtext->mark_stamp)
|
|
{
|
|
/* if this line is marked, mark this stamp too */
|
|
if (ent->mark_start == 0)
|
|
{
|
|
ent->mark_start = 0;
|
|
ent->mark_end = len;
|
|
}
|
|
else
|
|
{
|
|
ent->mark_start = -1;
|
|
ent->mark_end = -1;
|
|
}
|
|
ent->str = text;
|
|
}
|
|
|
|
y = (xtext->fontsize * line) + xtext->font->ascent - xtext->pixel_offset;
|
|
gtk_xtext_render_str (xtext, y, ent, text, len,
|
|
win_width, 2, line, TRUE, &xsize);
|
|
|
|
/* restore everything back to how it was */
|
|
memcpy (ent, &tmp_ent, sizeof (tmp_ent));
|
|
xtext->jump_out_offset = jo;
|
|
xtext->jump_in_offset = ji;
|
|
xtext->hilight_start = hs;
|
|
|
|
/* with a non-fixed-width font, sometimes we don't draw enough
|
|
background i.e. when this stamp is shorter than xtext->stamp_width */
|
|
xsize += MARGIN;
|
|
if (xsize < xtext->stamp_width)
|
|
{
|
|
y -= xtext->font->ascent;
|
|
xtext_draw_bg (xtext,
|
|
xsize, /* x */
|
|
y, /* y */
|
|
xtext->stamp_width - xsize, /* width */
|
|
xtext->fontsize /* height */);
|
|
}
|
|
}
|
|
|
|
/* render a single line, which may wrap to more lines */
|
|
|
|
static int
|
|
gtk_xtext_render_line (GtkXText * xtext, textentry * ent, int line,
|
|
int lines_max, int subline, int win_width)
|
|
{
|
|
unsigned char *str;
|
|
int indent, taken, entline, len, y, start_subline;
|
|
|
|
entline = taken = 0;
|
|
str = ent->str;
|
|
indent = ent->indent;
|
|
start_subline = subline;
|
|
|
|
/* draw the timestamp */
|
|
if (xtext->auto_indent && xtext->buffer->time_stamp &&
|
|
(!xtext->skip_stamp || xtext->mark_stamp || xtext->force_stamp))
|
|
{
|
|
char *time_str;
|
|
int len;
|
|
|
|
len = xtext_get_stamp_str (ent->stamp, &time_str);
|
|
gtk_xtext_render_stamp (xtext, ent, time_str, len, line, win_width);
|
|
g_free (time_str);
|
|
}
|
|
|
|
/* draw each line one by one */
|
|
do
|
|
{
|
|
/* if it's one of the first 4 wraps, we don't need to calculate it, it's
|
|
recorded in ->wrap_offset. This saves us a loop. */
|
|
if (entline < RECORD_WRAPS)
|
|
{
|
|
if (ent->lines_taken < 2)
|
|
len = ent->str_len;
|
|
else
|
|
{
|
|
if (entline > 0)
|
|
len = ent->wrap_offset[entline] - ent->wrap_offset[entline-1];
|
|
else
|
|
len = ent->wrap_offset[0];
|
|
}
|
|
} else
|
|
len = find_next_wrap (xtext, ent, str, win_width, indent);
|
|
|
|
entline++;
|
|
|
|
y = (xtext->fontsize * line) + xtext->font->ascent - xtext->pixel_offset;
|
|
if (!subline)
|
|
{
|
|
if (!gtk_xtext_render_str (xtext, y, ent, str, len, win_width,
|
|
indent, line, FALSE, NULL))
|
|
{
|
|
/* small optimization */
|
|
gtk_xtext_draw_marker (xtext, ent, y - xtext->fontsize * (taken + start_subline + 1));
|
|
return ent->lines_taken - subline;
|
|
}
|
|
} else
|
|
{
|
|
xtext->dont_render = TRUE;
|
|
gtk_xtext_render_str (xtext, y, ent, str, len, win_width,
|
|
indent, line, FALSE, NULL);
|
|
xtext->dont_render = FALSE;
|
|
subline--;
|
|
line--;
|
|
taken--;
|
|
}
|
|
|
|
indent = xtext->buffer->indent;
|
|
line++;
|
|
taken++;
|
|
str += len;
|
|
|
|
if (line >= lines_max)
|
|
break;
|
|
|
|
}
|
|
while (str < ent->str + ent->str_len);
|
|
|
|
gtk_xtext_draw_marker (xtext, ent, y - xtext->fontsize * (taken + start_subline));
|
|
|
|
return taken;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_palette (GtkXText * xtext, GdkColor palette[])
|
|
{
|
|
int i;
|
|
|
|
for (i = (XTEXT_COLS-1); i >= 0; i--)
|
|
{
|
|
xtext->palette[i] = palette[i];
|
|
}
|
|
|
|
if (gtk_widget_get_realized (GTK_WIDGET(xtext)))
|
|
{
|
|
xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
|
|
xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
|
|
xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);
|
|
|
|
gdk_gc_set_foreground (xtext->marker_gc, &xtext->palette[XTEXT_MARKER]);
|
|
}
|
|
xtext->col_fore = XTEXT_FG;
|
|
xtext->col_back = XTEXT_BG;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_fix_indent (xtext_buffer *buf)
|
|
{
|
|
int j;
|
|
|
|
/* make indent a multiple of the space width */
|
|
if (buf->indent && buf->xtext->space_width)
|
|
{
|
|
j = 0;
|
|
while (j < buf->indent)
|
|
{
|
|
j += buf->xtext->space_width;
|
|
}
|
|
buf->indent = j;
|
|
}
|
|
|
|
dontscroll (buf); /* force scrolling off */
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_recalc_widths (xtext_buffer *buf, int do_str_width)
|
|
{
|
|
textentry *ent;
|
|
|
|
/* since we have a new font, we have to recalc the text widths */
|
|
ent = buf->text_first;
|
|
while (ent)
|
|
{
|
|
if (do_str_width)
|
|
{
|
|
ent->str_width = gtk_xtext_text_width (buf->xtext, ent->str,
|
|
ent->str_len, NULL);
|
|
}
|
|
if (ent->left_len != -1)
|
|
{
|
|
ent->indent =
|
|
(buf->indent -
|
|
gtk_xtext_text_width (buf->xtext, ent->str,
|
|
ent->left_len, NULL)) - buf->xtext->space_width;
|
|
if (ent->indent < MARGIN)
|
|
ent->indent = MARGIN;
|
|
}
|
|
ent = ent->next;
|
|
}
|
|
|
|
gtk_xtext_calc_lines (buf, FALSE);
|
|
}
|
|
|
|
int
|
|
gtk_xtext_set_font (GtkXText *xtext, char *name)
|
|
{
|
|
int i;
|
|
unsigned char c;
|
|
|
|
if (xtext->font)
|
|
backend_font_close (xtext);
|
|
|
|
/* realize now, so that font_open has a XDisplay */
|
|
gtk_widget_realize (GTK_WIDGET (xtext));
|
|
|
|
backend_font_open (xtext, name);
|
|
if (xtext->font == NULL)
|
|
return FALSE;
|
|
|
|
/* measure the width of every char; only the ASCII ones for XFT */
|
|
for (i = 0; i < sizeof(xtext->fontwidth)/sizeof(xtext->fontwidth[0]); i++)
|
|
{
|
|
c = i;
|
|
xtext->fontwidth[i] = backend_get_text_width (xtext, &c, 1, TRUE);
|
|
}
|
|
xtext->space_width = xtext->fontwidth[' '];
|
|
xtext->fontsize = xtext->font->ascent + xtext->font->descent;
|
|
|
|
{
|
|
char *time_str;
|
|
int stamp_size = xtext_get_stamp_str (time(0), &time_str);
|
|
xtext->stamp_width =
|
|
gtk_xtext_text_width (xtext, time_str, stamp_size, NULL) + MARGIN;
|
|
g_free (time_str);
|
|
}
|
|
|
|
gtk_xtext_fix_indent (xtext->buffer);
|
|
|
|
if (gtk_widget_get_realized (GTK_WIDGET(xtext)))
|
|
gtk_xtext_recalc_widths (xtext->buffer, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_background (GtkXText * xtext, GdkPixmap * pixmap)
|
|
{
|
|
GdkGCValues val;
|
|
|
|
if (xtext->pixmap)
|
|
{
|
|
g_object_unref (xtext->pixmap);
|
|
xtext->pixmap = NULL;
|
|
}
|
|
|
|
dontscroll (xtext->buffer);
|
|
xtext->pixmap = pixmap;
|
|
|
|
if (pixmap != 0)
|
|
{
|
|
g_object_ref (pixmap);
|
|
if (gtk_widget_get_realized (GTK_WIDGET(xtext)))
|
|
{
|
|
gdk_gc_set_tile (xtext->bgc, pixmap);
|
|
gdk_gc_set_ts_origin (xtext->bgc, 0, 0);
|
|
xtext->ts_x = xtext->ts_y = 0;
|
|
gdk_gc_set_fill (xtext->bgc, GDK_TILED);
|
|
}
|
|
} else if (gtk_widget_get_realized (GTK_WIDGET(xtext)))
|
|
{
|
|
g_object_unref (xtext->bgc);
|
|
val.subwindow_mode = GDK_INCLUDE_INFERIORS;
|
|
val.graphics_exposures = 0;
|
|
xtext->bgc = gdk_gc_new_with_values (GTK_WIDGET (xtext)->window,
|
|
&val, GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
|
|
xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_xtext_save (GtkXText * xtext, int fh)
|
|
{
|
|
textentry *ent;
|
|
int newlen;
|
|
char *buf;
|
|
|
|
ent = xtext->buffer->text_first;
|
|
while (ent)
|
|
{
|
|
buf = gtk_xtext_strip_color (ent->str, ent->str_len, NULL,
|
|
&newlen, NULL, NULL, FALSE);
|
|
write (fh, buf, newlen);
|
|
write (fh, "\n", 1);
|
|
free (buf);
|
|
ent = ent->next;
|
|
}
|
|
}
|
|
|
|
/* count how many lines 'ent' will take (with wraps) */
|
|
|
|
static int
|
|
gtk_xtext_lines_taken (xtext_buffer *buf, textentry * ent)
|
|
{
|
|
unsigned char *str;
|
|
int indent, taken, len;
|
|
int win_width;
|
|
|
|
win_width = buf->window_width - MARGIN;
|
|
|
|
if (ent->str_width + ent->indent < win_width)
|
|
return 1;
|
|
|
|
indent = ent->indent;
|
|
str = ent->str;
|
|
taken = 0;
|
|
|
|
do
|
|
{
|
|
len = find_next_wrap (buf->xtext, ent, str, win_width, indent);
|
|
if (taken < RECORD_WRAPS)
|
|
ent->wrap_offset[taken] = (str + len) - ent->str;
|
|
indent = buf->indent;
|
|
taken++;
|
|
str += len;
|
|
}
|
|
while (str < ent->str + ent->str_len);
|
|
|
|
return taken;
|
|
}
|
|
|
|
/* Calculate number of actual lines (with wraps), to set adj->lower. *
|
|
* This should only be called when the window resizes. */
|
|
|
|
static void
|
|
gtk_xtext_calc_lines (xtext_buffer *buf, int fire_signal)
|
|
{
|
|
textentry *ent;
|
|
int width;
|
|
int height;
|
|
int lines;
|
|
|
|
height = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (buf->xtext)));
|
|
width = gdk_window_get_width (gtk_widget_get_window (GTK_WIDGET (buf->xtext)));
|
|
width -= MARGIN;
|
|
|
|
if (width < 30 || height < buf->xtext->fontsize || width < buf->indent + 30)
|
|
return;
|
|
|
|
lines = 0;
|
|
ent = buf->text_first;
|
|
while (ent)
|
|
{
|
|
ent->lines_taken = gtk_xtext_lines_taken (buf, ent);
|
|
lines += ent->lines_taken;
|
|
ent = ent->next;
|
|
}
|
|
|
|
buf->pagetop_ent = NULL;
|
|
buf->num_lines = lines;
|
|
gtk_xtext_adjustment_set (buf, fire_signal);
|
|
}
|
|
|
|
/* find the n-th line in the linked list, this includes wrap calculations */
|
|
|
|
static textentry *
|
|
gtk_xtext_nth (GtkXText *xtext, int line, int *subline)
|
|
{
|
|
int lines = 0;
|
|
textentry *ent;
|
|
|
|
ent = xtext->buffer->text_first;
|
|
|
|
/* -- optimization -- try to make a short-cut using the pagetop ent */
|
|
if (xtext->buffer->pagetop_ent)
|
|
{
|
|
if (line == xtext->buffer->pagetop_line)
|
|
{
|
|
*subline = xtext->buffer->pagetop_subline;
|
|
return xtext->buffer->pagetop_ent;
|
|
}
|
|
if (line > xtext->buffer->pagetop_line)
|
|
{
|
|
/* lets start from the pagetop instead of the absolute beginning */
|
|
ent = xtext->buffer->pagetop_ent;
|
|
lines = xtext->buffer->pagetop_line - xtext->buffer->pagetop_subline;
|
|
}
|
|
else if (line > xtext->buffer->pagetop_line - line)
|
|
{
|
|
/* move backwards from pagetop */
|
|
ent = xtext->buffer->pagetop_ent;
|
|
lines = xtext->buffer->pagetop_line - xtext->buffer->pagetop_subline;
|
|
while (1)
|
|
{
|
|
if (lines <= line)
|
|
{
|
|
*subline = line - lines;
|
|
return ent;
|
|
}
|
|
ent = ent->prev;
|
|
if (!ent)
|
|
break;
|
|
lines -= ent->lines_taken;
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
/* -- end of optimization -- */
|
|
|
|
while (ent)
|
|
{
|
|
lines += ent->lines_taken;
|
|
if (lines > line)
|
|
{
|
|
*subline = ent->lines_taken - (lines - line);
|
|
return ent;
|
|
}
|
|
ent = ent->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* render enta (or an inclusive range enta->entb) */
|
|
|
|
static int
|
|
gtk_xtext_render_ents (GtkXText * xtext, textentry * enta, textentry * entb)
|
|
{
|
|
textentry *ent, *orig_ent, *tmp_ent;
|
|
int line;
|
|
int lines_max;
|
|
int width;
|
|
int height;
|
|
int subline;
|
|
int drawing = FALSE;
|
|
|
|
if (xtext->buffer->indent < MARGIN)
|
|
xtext->buffer->indent = MARGIN; /* 2 pixels is our left margin */
|
|
|
|
height = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
width = gdk_window_get_width (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
width -= MARGIN;
|
|
|
|
if (width < 32 || height < xtext->fontsize || width < xtext->buffer->indent + 30)
|
|
return 0;
|
|
|
|
lines_max = ((height + xtext->pixel_offset) / xtext->fontsize) + 1;
|
|
line = 0;
|
|
orig_ent = xtext->buffer->pagetop_ent;
|
|
subline = xtext->buffer->pagetop_subline;
|
|
|
|
/* used before a complete page is in buffer */
|
|
if (orig_ent == NULL)
|
|
orig_ent = xtext->buffer->text_first;
|
|
|
|
/* check if enta is before the start of this page */
|
|
if (entb)
|
|
{
|
|
tmp_ent = orig_ent;
|
|
while (tmp_ent)
|
|
{
|
|
if (tmp_ent == enta)
|
|
break;
|
|
if (tmp_ent == entb)
|
|
{
|
|
drawing = TRUE;
|
|
break;
|
|
}
|
|
tmp_ent = tmp_ent->next;
|
|
}
|
|
}
|
|
|
|
ent = orig_ent;
|
|
while (ent)
|
|
{
|
|
if (entb && ent == enta)
|
|
drawing = TRUE;
|
|
|
|
if (drawing || ent == entb || ent == enta)
|
|
{
|
|
gtk_xtext_reset (xtext, FALSE, TRUE);
|
|
line += gtk_xtext_render_line (xtext, ent, line, lines_max,
|
|
subline, width);
|
|
subline = 0;
|
|
xtext->jump_in_offset = 0; /* jump_in_offset only for the 1st */
|
|
} else
|
|
{
|
|
if (ent == orig_ent)
|
|
{
|
|
line -= subline;
|
|
subline = 0;
|
|
}
|
|
line += ent->lines_taken;
|
|
}
|
|
|
|
if (ent == entb)
|
|
break;
|
|
|
|
if (line >= lines_max)
|
|
break;
|
|
|
|
ent = ent->next;
|
|
}
|
|
|
|
/* space below last line */
|
|
return (xtext->fontsize * line) - xtext->pixel_offset;
|
|
}
|
|
|
|
/* render a whole page/window, starting from 'startline' */
|
|
|
|
static void
|
|
gtk_xtext_render_page (GtkXText * xtext)
|
|
{
|
|
textentry *ent;
|
|
int line;
|
|
int lines_max;
|
|
int width;
|
|
int height;
|
|
int subline;
|
|
int startline = xtext->adj->value;
|
|
int pos, overlap;
|
|
|
|
if(!gtk_widget_get_realized(GTK_WIDGET(xtext)))
|
|
return;
|
|
|
|
if (xtext->buffer->indent < MARGIN)
|
|
xtext->buffer->indent = MARGIN; /* 2 pixels is our left margin */
|
|
|
|
gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);
|
|
|
|
if (width < 34 || height < xtext->fontsize || width < xtext->buffer->indent + 32)
|
|
return;
|
|
|
|
xtext->pixel_offset = (xtext->adj->value - startline) * xtext->fontsize;
|
|
|
|
subline = line = 0;
|
|
ent = xtext->buffer->text_first;
|
|
|
|
if (startline > 0)
|
|
ent = gtk_xtext_nth (xtext, startline, &subline);
|
|
|
|
xtext->buffer->pagetop_ent = ent;
|
|
xtext->buffer->pagetop_subline = subline;
|
|
xtext->buffer->pagetop_line = startline;
|
|
|
|
if (xtext->buffer->num_lines <= xtext->adj->page_size)
|
|
dontscroll (xtext->buffer);
|
|
|
|
pos = xtext->adj->value * xtext->fontsize;
|
|
overlap = xtext->buffer->last_pixel_pos - pos;
|
|
xtext->buffer->last_pixel_pos = pos;
|
|
|
|
#ifndef __APPLE__
|
|
if (!xtext->pixmap && abs (overlap) < height)
|
|
{
|
|
GdkRectangle area;
|
|
|
|
/* so the obscured regions are exposed */
|
|
gdk_gc_set_exposures (xtext->fgc, TRUE);
|
|
if (overlap < 1) /* DOWN */
|
|
{
|
|
int remainder;
|
|
|
|
gdk_draw_drawable (xtext->draw_buf, xtext->fgc, xtext->draw_buf,
|
|
0, -overlap, 0, 0, width, height + overlap);
|
|
remainder = ((height - xtext->font->descent) % xtext->fontsize) +
|
|
xtext->font->descent;
|
|
area.y = (height + overlap) - remainder;
|
|
area.height = remainder - overlap;
|
|
} else
|
|
{
|
|
gdk_draw_drawable (xtext->draw_buf, xtext->fgc, xtext->draw_buf,
|
|
0, 0, 0, overlap, width, height - overlap);
|
|
area.y = 0;
|
|
area.height = overlap;
|
|
}
|
|
gdk_gc_set_exposures (xtext->fgc, FALSE);
|
|
|
|
if (area.height > 0)
|
|
{
|
|
area.x = 0;
|
|
area.width = width;
|
|
gtk_xtext_paint (GTK_WIDGET (xtext), &area);
|
|
}
|
|
xtext->buffer->grid_dirty = TRUE;
|
|
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
xtext->buffer->grid_dirty = FALSE;
|
|
width -= MARGIN;
|
|
lines_max = ((height + xtext->pixel_offset) / xtext->fontsize) + 1;
|
|
|
|
while (ent)
|
|
{
|
|
gtk_xtext_reset (xtext, FALSE, TRUE);
|
|
line += gtk_xtext_render_line (xtext, ent, line, lines_max,
|
|
subline, width);
|
|
subline = 0;
|
|
|
|
if (line >= lines_max)
|
|
break;
|
|
|
|
ent = ent->next;
|
|
}
|
|
|
|
line = (xtext->fontsize * line) - xtext->pixel_offset;
|
|
/* fill any space below the last line with our background GC */
|
|
xtext_draw_bg (xtext, 0, line, width + MARGIN, height - line);
|
|
|
|
/* draw the separator line */
|
|
gtk_xtext_draw_sep (xtext, -1);
|
|
}
|
|
|
|
void
|
|
gtk_xtext_refresh (GtkXText * xtext)
|
|
{
|
|
if (gtk_widget_get_realized (GTK_WIDGET (xtext)))
|
|
{
|
|
gtk_xtext_render_page (xtext);
|
|
}
|
|
}
|
|
|
|
static int
|
|
gtk_xtext_kill_ent (xtext_buffer *buffer, textentry *ent)
|
|
{
|
|
int visible;
|
|
|
|
/* Set visible to TRUE if this is the current buffer */
|
|
/* and this ent shows up on the screen now */
|
|
visible = buffer->xtext->buffer == buffer &&
|
|
gtk_xtext_check_ent_visibility (buffer->xtext, ent, 0);
|
|
|
|
if (ent == buffer->pagetop_ent)
|
|
buffer->pagetop_ent = NULL;
|
|
|
|
if (ent == buffer->last_ent_start)
|
|
{
|
|
buffer->last_ent_start = ent->next;
|
|
buffer->last_offset_start = 0;
|
|
}
|
|
|
|
if (ent == buffer->last_ent_end)
|
|
{
|
|
buffer->last_ent_start = NULL;
|
|
buffer->last_ent_end = NULL;
|
|
}
|
|
|
|
if (buffer->marker_pos == ent) buffer->marker_pos = NULL;
|
|
|
|
if (ent->marks)
|
|
{
|
|
gtk_xtext_search_textentry_del (buffer, ent);
|
|
}
|
|
|
|
free (ent);
|
|
return visible;
|
|
}
|
|
|
|
/* remove the topline from the list */
|
|
|
|
static void
|
|
gtk_xtext_remove_top (xtext_buffer *buffer)
|
|
{
|
|
textentry *ent;
|
|
|
|
ent = buffer->text_first;
|
|
if (!ent)
|
|
return;
|
|
buffer->num_lines -= ent->lines_taken;
|
|
buffer->pagetop_line -= ent->lines_taken;
|
|
buffer->last_pixel_pos -= (ent->lines_taken * buffer->xtext->fontsize);
|
|
buffer->text_first = ent->next;
|
|
if (buffer->text_first)
|
|
buffer->text_first->prev = NULL;
|
|
else
|
|
buffer->text_last = NULL;
|
|
|
|
buffer->old_value -= ent->lines_taken;
|
|
if (buffer->xtext->buffer == buffer) /* is it the current buffer? */
|
|
{
|
|
buffer->xtext->adj->value -= ent->lines_taken;
|
|
buffer->xtext->select_start_adj -= ent->lines_taken;
|
|
}
|
|
|
|
if (gtk_xtext_kill_ent (buffer, ent))
|
|
{
|
|
if (!buffer->xtext->add_io_tag)
|
|
{
|
|
/* remove scrolling events */
|
|
if (buffer->xtext->io_tag)
|
|
{
|
|
g_source_remove (buffer->xtext->io_tag);
|
|
buffer->xtext->io_tag = 0;
|
|
}
|
|
buffer->xtext->force_render = TRUE;
|
|
buffer->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
|
|
(GSourceFunc)
|
|
gtk_xtext_render_page_timeout,
|
|
buffer->xtext);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_remove_bottom (xtext_buffer *buffer)
|
|
{
|
|
textentry *ent;
|
|
|
|
ent = buffer->text_last;
|
|
if (!ent)
|
|
return;
|
|
buffer->num_lines -= ent->lines_taken;
|
|
buffer->text_last = ent->prev;
|
|
if (buffer->text_last)
|
|
buffer->text_last->next = NULL;
|
|
else
|
|
buffer->text_first = NULL;
|
|
|
|
if (gtk_xtext_kill_ent (buffer, ent))
|
|
{
|
|
if (!buffer->xtext->add_io_tag)
|
|
{
|
|
/* remove scrolling events */
|
|
if (buffer->xtext->io_tag)
|
|
{
|
|
g_source_remove (buffer->xtext->io_tag);
|
|
buffer->xtext->io_tag = 0;
|
|
}
|
|
buffer->xtext->force_render = TRUE;
|
|
buffer->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
|
|
(GSourceFunc)
|
|
gtk_xtext_render_page_timeout,
|
|
buffer->xtext);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If lines=0 => clear all */
|
|
|
|
void
|
|
gtk_xtext_clear (xtext_buffer *buf, int lines)
|
|
{
|
|
textentry *next;
|
|
|
|
if (lines != 0)
|
|
{
|
|
if (lines < 0)
|
|
{
|
|
/* delete lines from bottom */
|
|
lines *= -1;
|
|
while (lines)
|
|
{
|
|
gtk_xtext_remove_bottom (buf);
|
|
lines--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* delete lines from top */
|
|
while (lines)
|
|
{
|
|
gtk_xtext_remove_top (buf);
|
|
lines--;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* delete all */
|
|
if (buf->search_found)
|
|
gtk_xtext_search_fini (buf);
|
|
if (buf->xtext->auto_indent)
|
|
buf->indent = MARGIN;
|
|
buf->scrollbar_down = TRUE;
|
|
buf->last_ent_start = NULL;
|
|
buf->last_ent_end = NULL;
|
|
buf->marker_pos = NULL;
|
|
dontscroll (buf);
|
|
|
|
while (buf->text_first)
|
|
{
|
|
next = buf->text_first->next;
|
|
free (buf->text_first);
|
|
buf->text_first = next;
|
|
}
|
|
buf->text_last = NULL;
|
|
}
|
|
|
|
if (buf->xtext->buffer == buf)
|
|
{
|
|
gtk_xtext_calc_lines (buf, TRUE);
|
|
gtk_xtext_refresh (buf->xtext);
|
|
} else
|
|
{
|
|
gtk_xtext_calc_lines (buf, FALSE);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_xtext_check_ent_visibility (GtkXText * xtext, textentry *find_ent, int add)
|
|
{
|
|
textentry *ent;
|
|
int lines;
|
|
xtext_buffer *buf = xtext->buffer;
|
|
int height;
|
|
|
|
if (find_ent == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
height = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
|
|
ent = buf->pagetop_ent;
|
|
/* If top line not completely displayed return FALSE */
|
|
if (ent == find_ent && buf->pagetop_subline > 0)
|
|
{
|
|
return FALSE;
|
|
}
|
|
/* Loop through line positions looking for find_ent */
|
|
lines = ((height + xtext->pixel_offset) / xtext->fontsize) + buf->pagetop_subline + add;
|
|
while (ent)
|
|
{
|
|
lines -= ent->lines_taken;
|
|
if (lines <= 0)
|
|
{
|
|
return FALSE;
|
|
}
|
|
if (ent == find_ent)
|
|
{
|
|
return TRUE;
|
|
}
|
|
ent = ent->next;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_check_marker_visibility (GtkXText * xtext)
|
|
{
|
|
if (gtk_xtext_check_ent_visibility (xtext, xtext->buffer->marker_pos, 1))
|
|
xtext->buffer->marker_seen = TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_xtext_unstrip_color (gint start, gint end, GSList *slp, GList **gl, gint maxo)
|
|
{
|
|
gint off1, off2, curlen;
|
|
GSList *cursl;
|
|
offsets_t marks;
|
|
|
|
off1 = 0;
|
|
curlen = 0;
|
|
cursl = slp;
|
|
while (cursl)
|
|
{
|
|
offlen_t ol;
|
|
ol.u = GPOINTER_TO_UINT (cursl->data);
|
|
if (start < ol.o.len)
|
|
{
|
|
off1 = ol.o.off + start;
|
|
break;
|
|
}
|
|
curlen += ol.o.len;
|
|
start -= ol.o.len;
|
|
end -= ol.o.len;
|
|
cursl = g_slist_next (cursl);
|
|
}
|
|
|
|
off2 = off1;
|
|
while (cursl)
|
|
{
|
|
offlen_t ol;
|
|
ol.u = GPOINTER_TO_UINT (cursl->data);
|
|
if (end < ol.o.len)
|
|
{
|
|
off2 = ol.o.off + end;
|
|
break;
|
|
}
|
|
curlen += ol.o.len;
|
|
end -= ol.o.len;
|
|
cursl = g_slist_next (cursl);
|
|
}
|
|
if (!cursl)
|
|
{
|
|
off2 = maxo;
|
|
}
|
|
|
|
marks.o.start = off1;
|
|
marks.o.end = off2;
|
|
*gl = g_list_append (*gl, GUINT_TO_POINTER (marks.u));
|
|
}
|
|
|
|
/* Search a single textentry for occurrence(s) of search arg string */
|
|
static GList *
|
|
gtk_xtext_search_textentry (xtext_buffer *buf, textentry *ent)
|
|
{
|
|
gchar *str; /* text string to be searched */
|
|
GList *gl = NULL;
|
|
GSList *slp;
|
|
gint lstr;
|
|
|
|
if (buf->search_text == NULL)
|
|
{
|
|
return gl;
|
|
}
|
|
|
|
str = gtk_xtext_strip_color (ent->str, ent->str_len, buf->xtext->scratch_buffer,
|
|
&lstr, NULL, &slp, !buf->xtext->ignore_hidden);
|
|
|
|
/* Regular-expression matching --- */
|
|
if (buf->search_flags & regexp)
|
|
{
|
|
GMatchInfo *gmi;
|
|
gint start, end;
|
|
|
|
if (buf->search_re == NULL)
|
|
{
|
|
return gl;
|
|
}
|
|
g_regex_match (buf->search_re, str, 0, &gmi);
|
|
while (g_match_info_matches (gmi))
|
|
{
|
|
g_match_info_fetch_pos (gmi, 0, &start, &end);
|
|
gtk_xtext_unstrip_color (start, end, slp, &gl, ent->str_len);
|
|
g_match_info_next (gmi, NULL);
|
|
}
|
|
g_match_info_free (gmi);
|
|
|
|
/* Non-regular-expression matching --- */
|
|
} else {
|
|
gchar *hay, *pos;
|
|
gint lhay, off, len;
|
|
gint match = buf->search_flags & case_match;
|
|
|
|
hay = match? g_strdup (str): g_utf8_casefold (str, lstr);
|
|
lhay = strlen (hay);
|
|
off = 0;
|
|
|
|
for (pos = hay, len = lhay; len;
|
|
off += buf->search_lnee, pos = hay + off, len = lhay - off)
|
|
{
|
|
str = g_strstr_len (pos, len, buf->search_nee);
|
|
if (str == NULL)
|
|
{
|
|
break;
|
|
}
|
|
off = str - hay;
|
|
gtk_xtext_unstrip_color (off, off + buf->search_lnee,
|
|
slp, &gl, ent->str_len);
|
|
}
|
|
|
|
g_free (hay);
|
|
}
|
|
|
|
/* Common processing --- */
|
|
g_slist_free (slp);
|
|
return gl;
|
|
}
|
|
|
|
/* Add a list of found search results to an entry, maybe NULL */
|
|
static void
|
|
gtk_xtext_search_textentry_add (xtext_buffer *buf, textentry *ent, GList *gl, gboolean pre)
|
|
{
|
|
ent->marks = gl;
|
|
if (gl)
|
|
{
|
|
buf->search_found = (pre? g_list_prepend: g_list_append) (buf->search_found, ent);
|
|
if (pre == FALSE && buf->hintsearch == NULL)
|
|
{
|
|
buf->hintsearch = ent;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Free all search information for a textentry */
|
|
static void
|
|
gtk_xtext_search_textentry_del (xtext_buffer *buf, textentry *ent)
|
|
{
|
|
g_list_free (ent->marks);
|
|
ent->marks = NULL;
|
|
if (buf->cursearch && buf->cursearch->data == ent)
|
|
{
|
|
buf->cursearch = NULL;
|
|
buf->curmark = NULL;
|
|
buf->curdata.u = 0;
|
|
}
|
|
if (buf->pagetop_ent == ent)
|
|
{
|
|
buf->pagetop_ent = NULL;
|
|
}
|
|
if (buf->hintsearch == ent)
|
|
{
|
|
buf->hintsearch = NULL;
|
|
}
|
|
buf->search_found = g_list_remove (buf->search_found, ent);
|
|
}
|
|
|
|
/* Used only by glist_foreach */
|
|
static void
|
|
gtk_xtext_search_textentry_fini (gpointer entp, gpointer dummy)
|
|
{
|
|
textentry *ent = entp;
|
|
|
|
g_list_free (ent->marks);
|
|
ent->marks = NULL;
|
|
}
|
|
|
|
/* Free all search information for all textentrys and the xtext_buffer */
|
|
static void
|
|
gtk_xtext_search_fini (xtext_buffer *buf)
|
|
{
|
|
g_list_foreach (buf->search_found, gtk_xtext_search_textentry_fini, 0);
|
|
g_list_free (buf->search_found);
|
|
buf->search_found = NULL;
|
|
g_free (buf->search_text);
|
|
buf->search_text = NULL;
|
|
g_free (buf->search_nee);
|
|
buf->search_nee = NULL;
|
|
buf->search_flags = 0;
|
|
buf->cursearch = NULL;
|
|
buf->curmark = NULL;
|
|
/* but leave buf->curdata.u alone! */
|
|
if (buf->search_re)
|
|
{
|
|
g_regex_unref (buf->search_re);
|
|
buf->search_re = NULL;
|
|
}
|
|
}
|
|
|
|
/* Returns TRUE if the base search information exists and is still okay to use */
|
|
static gboolean
|
|
gtk_xtext_search_init (xtext_buffer *buf, const gchar *text, gtk_xtext_search_flags flags, GError **perr)
|
|
{
|
|
/* Of the five flags, backward and highlight_all do not need a new search */
|
|
if (buf->search_found &&
|
|
strcmp (buf->search_text, text) == 0 &&
|
|
(buf->search_flags & case_match) == (flags & case_match) &&
|
|
(buf->search_flags & follow) == (flags & follow) &&
|
|
(buf->search_flags & regexp) == (flags & regexp))
|
|
{
|
|
return TRUE;
|
|
}
|
|
buf->hintsearch = buf->cursearch? buf->cursearch->data: NULL;
|
|
gtk_xtext_search_fini (buf);
|
|
buf->search_text = g_strdup (text);
|
|
if (flags & regexp)
|
|
{
|
|
buf->search_re = g_regex_new (text, (flags & case_match)? 0: G_REGEX_CASELESS, 0, perr);
|
|
if (perr && *perr)
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (flags & case_match)
|
|
{
|
|
buf->search_nee = g_strdup (text);
|
|
}
|
|
else
|
|
{
|
|
buf->search_nee = g_utf8_casefold (text, strlen (text));
|
|
}
|
|
buf->search_lnee = strlen (buf->search_nee);
|
|
}
|
|
buf->search_flags = flags;
|
|
buf->cursearch = NULL;
|
|
buf->curmark = NULL;
|
|
/* but leave buf->curdata.u alone! */
|
|
return FALSE;
|
|
}
|
|
|
|
#define BACKWARD (flags & backward)
|
|
#define FIRSTLAST(lp) (BACKWARD? g_list_last(lp): g_list_first(lp))
|
|
#define NEXTPREVIOUS(lp) (BACKWARD? g_list_previous(lp): g_list_next(lp))
|
|
textentry *
|
|
gtk_xtext_search (GtkXText * xtext, const gchar *text, gtk_xtext_search_flags flags, GError **perr)
|
|
{
|
|
textentry *ent = NULL;
|
|
xtext_buffer *buf = xtext->buffer;
|
|
GList *gl;
|
|
|
|
if (buf->text_first == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* If the text arg is NULL, one of these has been toggled: highlight follow */
|
|
if (text == NULL) /* Here on highlight or follow toggle */
|
|
{
|
|
gint oldfollow = buf->search_flags & follow;
|
|
gint newfollow = flags & follow;
|
|
|
|
/* If "Follow" has just been checked, search possible new textentries --- */
|
|
if (newfollow && (newfollow != oldfollow))
|
|
{
|
|
gl = g_list_last (buf->search_found);
|
|
ent = gl? gl->data: buf->text_first;
|
|
for (; ent; ent = ent->next)
|
|
{
|
|
GList *gl;
|
|
|
|
gl = gtk_xtext_search_textentry (buf, ent);
|
|
gtk_xtext_search_textentry_add (buf, ent, gl, FALSE);
|
|
}
|
|
}
|
|
buf->search_flags = flags;
|
|
ent = buf->pagetop_ent;
|
|
}
|
|
|
|
/* if the text arg is "", the reset button has been clicked or Control-Shift-F has been hit */
|
|
else if (text[0] == 0) /* Let a null string do a reset. */
|
|
{
|
|
gtk_xtext_search_fini (buf);
|
|
}
|
|
|
|
/* If the text arg is neither NULL nor "", it's the search string */
|
|
else
|
|
{
|
|
if (gtk_xtext_search_init (buf, text, flags, perr) == FALSE) /* If a new search: */
|
|
{
|
|
if (perr && *perr)
|
|
{
|
|
return NULL;
|
|
}
|
|
for (ent = buf->text_first; ent; ent = ent->next)
|
|
{
|
|
GList *gl;
|
|
|
|
gl = gtk_xtext_search_textentry (buf, ent);
|
|
gtk_xtext_search_textentry_add (buf, ent, gl, TRUE);
|
|
}
|
|
buf->search_found = g_list_reverse (buf->search_found);
|
|
}
|
|
|
|
/* Now base search results are in place. */
|
|
|
|
if (buf->search_found)
|
|
{
|
|
/* If we're in the midst of moving among found items */
|
|
if (buf->cursearch)
|
|
{
|
|
ent = buf->cursearch->data;
|
|
buf->curmark = NEXTPREVIOUS (buf->curmark);
|
|
if (buf->curmark == NULL)
|
|
{
|
|
/* We've returned all the matches for this textentry. */
|
|
buf->cursearch = NEXTPREVIOUS (buf->cursearch);
|
|
if (buf->cursearch)
|
|
{
|
|
ent = buf->cursearch->data;
|
|
buf->curmark = FIRSTLAST (ent->marks);
|
|
}
|
|
else /* We've returned all the matches for all textentries */
|
|
{
|
|
ent = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If user changed the search, let's look starting where he was */
|
|
else if (buf->hintsearch)
|
|
{
|
|
GList *mark;
|
|
offsets_t last, this;
|
|
/*
|
|
* If we already have a 'current' item from the last search, and if
|
|
* the first character of an occurrence on this line for this new search
|
|
* is within that former item, use the occurrence as current.
|
|
*/
|
|
ent = buf->hintsearch;
|
|
last.u = buf->curdata.u;
|
|
for (mark = ent->marks; mark; mark = mark->next)
|
|
{
|
|
this.u = GPOINTER_TO_UINT (mark->data);
|
|
if (this.o.start >= last.o.start && this.o.start < last.o.end)
|
|
break;
|
|
}
|
|
if (mark == NULL)
|
|
{
|
|
for (ent = buf->hintsearch; ent; ent = BACKWARD? ent->prev: ent->next)
|
|
if (ent->marks)
|
|
break;
|
|
mark = ent? FIRSTLAST (ent->marks): NULL;
|
|
}
|
|
buf->cursearch = g_list_find (buf->search_found, ent);
|
|
buf->curmark = mark;
|
|
}
|
|
|
|
/* This is a fresh search */
|
|
else
|
|
{
|
|
buf->cursearch = FIRSTLAST (buf->search_found);
|
|
ent = buf->cursearch->data;
|
|
buf->curmark = FIRSTLAST (ent->marks);
|
|
}
|
|
buf->curdata.u = (buf->curmark)? GPOINTER_TO_UINT (buf->curmark->data): 0;
|
|
}
|
|
}
|
|
buf->hintsearch = ent;
|
|
|
|
if (!gtk_xtext_check_ent_visibility (xtext, ent, 1))
|
|
{
|
|
GtkAdjustment *adj = xtext->adj;
|
|
float value;
|
|
|
|
buf->pagetop_ent = NULL;
|
|
for (value = 0, ent = buf->text_first;
|
|
ent && ent != buf->hintsearch; ent = ent->next)
|
|
{
|
|
value += ent->lines_taken;
|
|
}
|
|
if (value > adj->upper - adj->page_size)
|
|
{
|
|
value = adj->upper - adj->page_size;
|
|
}
|
|
else if ((flags & backward) && ent)
|
|
{
|
|
value -= adj->page_size - ent->lines_taken;
|
|
if (value < 0)
|
|
{
|
|
value = 0;
|
|
}
|
|
}
|
|
gtk_adjustment_set_value (adj, value);
|
|
}
|
|
|
|
gtk_widget_queue_draw (GTK_WIDGET (xtext));
|
|
|
|
return buf->hintsearch;
|
|
}
|
|
#undef BACKWARD
|
|
#undef FIRSTLAST
|
|
#undef NEXTPREVIOUS
|
|
|
|
static int
|
|
gtk_xtext_render_page_timeout (GtkXText * xtext)
|
|
{
|
|
GtkAdjustment *adj = xtext->adj;
|
|
|
|
xtext->add_io_tag = 0;
|
|
|
|
/* less than a complete page? */
|
|
if (xtext->buffer->num_lines <= adj->page_size)
|
|
{
|
|
xtext->buffer->old_value = 0;
|
|
adj->value = 0;
|
|
gtk_xtext_render_page (xtext);
|
|
} else if (xtext->buffer->scrollbar_down)
|
|
{
|
|
g_signal_handler_block (xtext->adj, xtext->vc_signal_tag);
|
|
gtk_xtext_adjustment_set (xtext->buffer, FALSE);
|
|
gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
|
|
g_signal_handler_unblock (xtext->adj, xtext->vc_signal_tag);
|
|
xtext->buffer->old_value = adj->value;
|
|
gtk_xtext_render_page (xtext);
|
|
} else
|
|
{
|
|
gtk_xtext_adjustment_set (xtext->buffer, TRUE);
|
|
if (xtext->force_render)
|
|
{
|
|
xtext->force_render = FALSE;
|
|
gtk_xtext_render_page (xtext);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* append a textentry to our linked list */
|
|
|
|
static void
|
|
gtk_xtext_append_entry (xtext_buffer *buf, textentry * ent, time_t stamp)
|
|
{
|
|
unsigned int mb;
|
|
int i;
|
|
|
|
/* we don't like tabs */
|
|
i = 0;
|
|
while (i < ent->str_len)
|
|
{
|
|
if (ent->str[i] == '\t')
|
|
ent->str[i] = ' ';
|
|
i++;
|
|
}
|
|
|
|
ent->stamp = stamp;
|
|
if (stamp == 0)
|
|
ent->stamp = time (0);
|
|
ent->str_width = gtk_xtext_text_width (buf->xtext, ent->str, ent->str_len, &mb);
|
|
ent->mb = FALSE;
|
|
if (mb)
|
|
ent->mb = TRUE;
|
|
ent->mark_start = -1;
|
|
ent->mark_end = -1;
|
|
ent->next = NULL;
|
|
ent->marks = NULL;
|
|
|
|
if (ent->indent < MARGIN)
|
|
ent->indent = MARGIN; /* 2 pixels is the left margin */
|
|
|
|
/* append to our linked list */
|
|
if (buf->text_last)
|
|
buf->text_last->next = ent;
|
|
else
|
|
buf->text_first = ent;
|
|
ent->prev = buf->text_last;
|
|
buf->text_last = ent;
|
|
|
|
ent->lines_taken = gtk_xtext_lines_taken (buf, ent);
|
|
buf->num_lines += ent->lines_taken;
|
|
|
|
if (buf->reset_marker_pos ||
|
|
((buf->marker_pos == NULL || buf->marker_seen) && (buf->xtext->buffer != buf ||
|
|
!gtk_window_has_toplevel_focus (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (buf->xtext)))))))
|
|
{
|
|
buf->marker_pos = ent;
|
|
dontscroll (buf); /* force scrolling off */
|
|
buf->marker_seen = FALSE;
|
|
buf->reset_marker_pos = FALSE;
|
|
}
|
|
|
|
if (buf->xtext->max_lines > 2 && buf->xtext->max_lines < buf->num_lines)
|
|
{
|
|
gtk_xtext_remove_top (buf);
|
|
}
|
|
|
|
if (buf->xtext->buffer == buf)
|
|
{
|
|
/* this could be improved */
|
|
if ((buf->num_lines - 1) <= buf->xtext->adj->page_size)
|
|
dontscroll (buf);
|
|
|
|
if (!buf->xtext->add_io_tag)
|
|
{
|
|
/* remove scrolling events */
|
|
if (buf->xtext->io_tag)
|
|
{
|
|
g_source_remove (buf->xtext->io_tag);
|
|
buf->xtext->io_tag = 0;
|
|
}
|
|
buf->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
|
|
(GSourceFunc)
|
|
gtk_xtext_render_page_timeout,
|
|
buf->xtext);
|
|
}
|
|
} else if (buf->scrollbar_down)
|
|
{
|
|
buf->old_value = buf->num_lines - buf->xtext->adj->page_size;
|
|
if (buf->old_value < 0)
|
|
buf->old_value = 0;
|
|
}
|
|
if (buf->search_flags & follow)
|
|
{
|
|
GList *gl;
|
|
|
|
gl = gtk_xtext_search_textentry (buf, ent);
|
|
gtk_xtext_search_textentry_add (buf, ent, gl, FALSE);
|
|
}
|
|
}
|
|
|
|
/* the main two public functions */
|
|
|
|
void
|
|
gtk_xtext_append_indent (xtext_buffer *buf,
|
|
unsigned char *left_text, int left_len,
|
|
unsigned char *right_text, int right_len,
|
|
time_t stamp)
|
|
{
|
|
textentry *ent;
|
|
unsigned char *str;
|
|
int space;
|
|
int tempindent;
|
|
int left_width;
|
|
|
|
if (left_len == -1)
|
|
left_len = strlen (left_text);
|
|
|
|
if (right_len == -1)
|
|
right_len = strlen (right_text);
|
|
|
|
if (right_len >= sizeof (buf->xtext->scratch_buffer))
|
|
right_len = sizeof (buf->xtext->scratch_buffer) - 1;
|
|
|
|
if (right_text[right_len-1] == '\n')
|
|
right_len--;
|
|
|
|
ent = malloc (left_len + right_len + 2 + sizeof (textentry));
|
|
str = (unsigned char *) ent + sizeof (textentry);
|
|
|
|
memcpy (str, left_text, left_len);
|
|
str[left_len] = ' ';
|
|
memcpy (str + left_len + 1, right_text, right_len);
|
|
str[left_len + 1 + right_len] = 0;
|
|
|
|
left_width = gtk_xtext_text_width (buf->xtext, left_text, left_len, NULL);
|
|
|
|
ent->left_len = left_len;
|
|
ent->str = str;
|
|
ent->str_len = left_len + 1 + right_len;
|
|
ent->indent = (buf->indent - left_width) - buf->xtext->space_width;
|
|
|
|
if (buf->time_stamp)
|
|
space = buf->xtext->stamp_width;
|
|
else
|
|
space = 0;
|
|
|
|
/* do we need to auto adjust the separator position? */
|
|
if (buf->xtext->auto_indent && ent->indent < MARGIN + space)
|
|
{
|
|
tempindent = MARGIN + space + buf->xtext->space_width + left_width;
|
|
|
|
if (tempindent > buf->indent)
|
|
buf->indent = tempindent;
|
|
|
|
if (buf->indent > buf->xtext->max_auto_indent)
|
|
buf->indent = buf->xtext->max_auto_indent;
|
|
|
|
gtk_xtext_fix_indent (buf);
|
|
gtk_xtext_recalc_widths (buf, FALSE);
|
|
|
|
ent->indent = (buf->indent - left_width) - buf->xtext->space_width;
|
|
buf->xtext->force_render = TRUE;
|
|
}
|
|
|
|
gtk_xtext_append_entry (buf, ent, stamp);
|
|
}
|
|
|
|
void
|
|
gtk_xtext_append (xtext_buffer *buf, unsigned char *text, int len)
|
|
{
|
|
textentry *ent;
|
|
|
|
if (len == -1)
|
|
len = strlen (text);
|
|
|
|
if (text[len-1] == '\n')
|
|
len--;
|
|
|
|
if (len >= sizeof (buf->xtext->scratch_buffer))
|
|
len = sizeof (buf->xtext->scratch_buffer) - 1;
|
|
|
|
ent = malloc (len + 1 + sizeof (textentry));
|
|
ent->str = (unsigned char *) ent + sizeof (textentry);
|
|
ent->str_len = len;
|
|
if (len)
|
|
memcpy (ent->str, text, len);
|
|
ent->str[len] = 0;
|
|
ent->indent = 0;
|
|
ent->left_len = -1;
|
|
|
|
gtk_xtext_append_entry (buf, ent, 0);
|
|
}
|
|
|
|
gboolean
|
|
gtk_xtext_is_empty (xtext_buffer *buf)
|
|
{
|
|
return buf->text_first == NULL;
|
|
}
|
|
|
|
|
|
int
|
|
gtk_xtext_lastlog (xtext_buffer *out, xtext_buffer *search_area)
|
|
{
|
|
textentry *ent;
|
|
int matches;
|
|
GList *gl;
|
|
|
|
ent = search_area->text_first;
|
|
matches = 0;
|
|
|
|
while (ent)
|
|
{
|
|
gl = gtk_xtext_search_textentry (out, ent);
|
|
if (gl)
|
|
{
|
|
matches++;
|
|
/* copy the text over */
|
|
if (search_area->xtext->auto_indent)
|
|
{
|
|
gtk_xtext_append_indent (out, ent->str, ent->left_len,
|
|
ent->str + ent->left_len + 1,
|
|
ent->str_len - ent->left_len - 1, 0);
|
|
}
|
|
else
|
|
{
|
|
gtk_xtext_append (out, ent->str, ent->str_len);
|
|
}
|
|
|
|
out->text_last->stamp = ent->stamp;
|
|
gtk_xtext_search_textentry_add (out, out->text_last, gl, TRUE);
|
|
}
|
|
ent = ent->next;
|
|
}
|
|
out->search_found = g_list_reverse (out->search_found);
|
|
|
|
return matches;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_foreach (xtext_buffer *buf, GtkXTextForeach func, void *data)
|
|
{
|
|
textentry *ent = buf->text_first;
|
|
|
|
while (ent)
|
|
{
|
|
(*func) (buf->xtext, ent->str, data);
|
|
ent = ent->next;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_indent (GtkXText *xtext, gboolean indent)
|
|
{
|
|
xtext->auto_indent = indent;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_max_indent (GtkXText *xtext, int max_auto_indent)
|
|
{
|
|
xtext->max_auto_indent = max_auto_indent;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_max_lines (GtkXText *xtext, int max_lines)
|
|
{
|
|
xtext->max_lines = max_lines;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_show_marker (GtkXText *xtext, gboolean show_marker)
|
|
{
|
|
xtext->marker = show_marker;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_show_separator (GtkXText *xtext, gboolean show_separator)
|
|
{
|
|
xtext->separator = show_separator;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_thin_separator (GtkXText *xtext, gboolean thin_separator)
|
|
{
|
|
xtext->thinline = thin_separator;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_time_stamp (xtext_buffer *buf, gboolean time_stamp)
|
|
{
|
|
buf->time_stamp = time_stamp;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_urlcheck_function (GtkXText *xtext, int (*urlcheck_function) (GtkWidget *, char *))
|
|
{
|
|
xtext->urlcheck_function = urlcheck_function;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_set_wordwrap (GtkXText *xtext, gboolean wordwrap)
|
|
{
|
|
xtext->wordwrap = wordwrap;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_reset_marker_pos (GtkXText *xtext)
|
|
{
|
|
xtext->buffer->marker_pos = NULL;
|
|
dontscroll (xtext->buffer); /* force scrolling off */
|
|
gtk_xtext_render_page (xtext);
|
|
xtext->buffer->reset_marker_pos = TRUE;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_buffer_show (GtkXText *xtext, xtext_buffer *buf, int render)
|
|
{
|
|
int w, h;
|
|
|
|
buf->xtext = xtext;
|
|
|
|
if (xtext->buffer == buf)
|
|
return;
|
|
|
|
/*printf("text_buffer_show: xtext=%p buffer=%p\n", xtext, buf);*/
|
|
|
|
if (xtext->add_io_tag)
|
|
{
|
|
g_source_remove (xtext->add_io_tag);
|
|
xtext->add_io_tag = 0;
|
|
}
|
|
|
|
if (xtext->io_tag)
|
|
{
|
|
g_source_remove (xtext->io_tag);
|
|
xtext->io_tag = 0;
|
|
}
|
|
|
|
if (!gtk_widget_get_realized (GTK_WIDGET (xtext)))
|
|
gtk_widget_realize (GTK_WIDGET (xtext));
|
|
|
|
h = gdk_window_get_height (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
w = gdk_window_get_width (gtk_widget_get_window (GTK_WIDGET (xtext)));
|
|
|
|
/* after a font change */
|
|
if (buf->needs_recalc)
|
|
{
|
|
buf->needs_recalc = FALSE;
|
|
gtk_xtext_recalc_widths (buf, TRUE);
|
|
}
|
|
|
|
/* now change to the new buffer */
|
|
xtext->buffer = buf;
|
|
dontscroll (buf); /* force scrolling off */
|
|
xtext->adj->value = buf->old_value;
|
|
xtext->adj->upper = buf->num_lines;
|
|
if (xtext->adj->upper == 0)
|
|
xtext->adj->upper = 1;
|
|
/* sanity check */
|
|
else if (xtext->adj->value > xtext->adj->upper - xtext->adj->page_size)
|
|
{
|
|
/*buf->pagetop_ent = NULL;*/
|
|
xtext->adj->value = xtext->adj->upper - xtext->adj->page_size;
|
|
if (xtext->adj->value < 0)
|
|
xtext->adj->value = 0;
|
|
}
|
|
|
|
if (render)
|
|
{
|
|
/* did the window change size since this buffer was last shown? */
|
|
if (buf->window_width != w)
|
|
{
|
|
buf->window_width = w;
|
|
gtk_xtext_calc_lines (buf, FALSE);
|
|
if (buf->scrollbar_down)
|
|
gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
|
|
xtext->adj->page_size);
|
|
} else if (buf->window_height != h)
|
|
{
|
|
buf->window_height = h;
|
|
buf->pagetop_ent = NULL;
|
|
gtk_xtext_adjustment_set (buf, FALSE);
|
|
}
|
|
|
|
gtk_xtext_render_page (xtext);
|
|
gtk_adjustment_changed (xtext->adj);
|
|
}
|
|
}
|
|
|
|
xtext_buffer *
|
|
gtk_xtext_buffer_new (GtkXText *xtext)
|
|
{
|
|
xtext_buffer *buf;
|
|
|
|
buf = malloc (sizeof (xtext_buffer));
|
|
memset (buf, 0, sizeof (xtext_buffer));
|
|
buf->old_value = -1;
|
|
buf->xtext = xtext;
|
|
buf->scrollbar_down = TRUE;
|
|
buf->indent = xtext->space_width * 2;
|
|
dontscroll (buf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
gtk_xtext_buffer_free (xtext_buffer *buf)
|
|
{
|
|
textentry *ent, *next;
|
|
|
|
if (buf->xtext->buffer == buf)
|
|
buf->xtext->buffer = buf->xtext->orig_buffer;
|
|
|
|
if (buf->xtext->selection_buffer == buf)
|
|
buf->xtext->selection_buffer = NULL;
|
|
|
|
if (buf->search_found)
|
|
{
|
|
gtk_xtext_search_fini (buf);
|
|
}
|
|
|
|
ent = buf->text_first;
|
|
while (ent)
|
|
{
|
|
next = ent->next;
|
|
free (ent);
|
|
ent = next;
|
|
}
|
|
|
|
free (buf);
|
|
}
|