/* HexChat * Copyright (C) 1998-2010 Peter Zelezny. * Copyright (C) 2009-2013 Berke Viktor. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ /* file included in chanview.c */ typedef struct { GtkWidget *outer; /* outer box */ GtkWidget *inner; /* inner box */ GtkWidget *b1; /* button1 */ GtkWidget *b2; /* button2 */ } tabview; static void chanview_populate (chanview *cv); /* ignore "toggled" signal? */ static int ignore_toggle = FALSE; static int tab_left_is_moving = 0; static int tab_right_is_moving = 0; /* userdata for gobjects used here: * * tab (togglebuttons inside boxes): * "u" userdata passed to tab-focus callback function (sess) * "c" the tab's (chan *) * * box (family box) * "f" family * */ /* * GtkViewports request at least as much space as their children do. * If we don't intervene here, the GtkViewport will be granted its * request, even at the expense of resizing the top-level window. */ static void cv_tabs_sizerequest (GtkWidget *viewport, GtkRequisition *requisition, chanview *cv) { if (!cv->vertical) requisition->width = 1; else requisition->height = 1; } static void cv_tabs_sizealloc (GtkWidget *widget, GtkAllocation *allocation, chanview *cv) { GtkAdjustment *adj; GtkWidget *inner; gint viewport_size; inner = ((tabview *)cv)->inner; if (cv->vertical) { adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (gtk_widget_get_parent (inner))); gdk_window_get_geometry (gtk_widget_get_parent_window (inner), 0, 0, 0, &viewport_size, 0); } else { adj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (gtk_widget_get_parent (inner))); gdk_window_get_geometry (gtk_widget_get_parent_window (inner), 0, 0, &viewport_size, 0, 0); } if (gtk_adjustment_get_upper (adj) <= viewport_size) { gtk_widget_hide (((tabview *)cv)->b1); gtk_widget_hide (((tabview *)cv)->b2); } else { gtk_widget_show (((tabview *)cv)->b1); gtk_widget_show (((tabview *)cv)->b2); } } static gint tab_search_offset (GtkWidget *inner, gint start_offset, gboolean forward, gboolean vertical) { GList *boxes; GList *tabs; GtkWidget *box; GtkWidget *button; gint found; boxes = gtk_container_get_children (GTK_CONTAINER (inner)); if (!forward && boxes) boxes = g_list_last (boxes); while (boxes) { box = (GtkWidget *)boxes->data; boxes = (forward ? boxes->next : boxes->prev); tabs = gtk_container_get_children (GTK_CONTAINER (box)); if (!forward && tabs) tabs = g_list_last (tabs); while (tabs) { button = (GtkWidget *)tabs->data; tabs = (forward ? tabs->next : tabs->prev); if (!GTK_IS_TOGGLE_BUTTON (button)) continue; found = (vertical ? button->allocation.y : button->allocation.x); if ((forward && found > start_offset) || (!forward && found < start_offset)) return found; } } return 0; } static void tab_scroll_left_up_clicked (GtkWidget *widget, chanview *cv) { GtkAdjustment *adj; gint viewport_size; gfloat new_value; GtkWidget *inner; GdkWindow *parent_win; gfloat i; inner = ((tabview *)cv)->inner; parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner)); if (cv->vertical) { adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner))); gdk_window_get_geometry (parent_win, 0, 0, 0, &viewport_size, 0); } else { adj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner))); gdk_window_get_geometry (parent_win, 0, 0, &viewport_size, 0, 0); } new_value = tab_search_offset (inner, adj->value, 0, cv->vertical); if (new_value + viewport_size > adj->upper) new_value = adj->upper - viewport_size; if (!tab_left_is_moving) { tab_left_is_moving = 1; for (i = adj->value; ((i > new_value) && (tab_left_is_moving)); i -= 0.1) { gtk_adjustment_set_value (adj, i); while (g_main_context_pending (NULL)) g_main_context_iteration (NULL, TRUE); } gtk_adjustment_set_value (adj, new_value); tab_left_is_moving = 0; /* hSP: set to false in case we didnt get stopped (the normal case) */ } else { tab_left_is_moving = 0; /* hSP: jump directly to next element if user is clicking faster than we can scroll.. */ } } static void tab_scroll_right_down_clicked (GtkWidget *widget, chanview *cv) { GtkAdjustment *adj; gint viewport_size; gfloat new_value; GtkWidget *inner; GdkWindow *parent_win; gfloat i; inner = ((tabview *)cv)->inner; parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner)); if (cv->vertical) { adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner))); gdk_window_get_geometry (parent_win, 0, 0, 0, &viewport_size, 0); } else { adj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner))); gdk_window_get_geometry (parent_win, 0, 0, &viewport_size, 0, 0); } new_value = tab_search_offset (inner, adj->value, 1, cv->vertical); if (new_value == 0 || new_value + viewport_size > adj->upper) new_value = adj->upper - viewport_size; if (!tab_right_is_moving) { tab_right_is_moving = 1; for (i = adj->value; ((i < new_value) && (tab_right_is_moving)); i += 0.1) { gtk_adjustment_set_value (adj, i); while (g_main_context_pending (NULL)) g_main_context_iteration (NULL, TRUE); } gtk_adjustment_set_value (adj, new_value); tab_right_is_moving = 0; /* hSP: set to false in case we didnt get stopped (the normal case) */ } else { tab_right_is_moving = 0; /* hSP: jump directly to next element if user is clicking faster than we can scroll.. */ } } static gboolean tab_scroll_cb (GtkWidget *widget, GdkEventScroll *event, gpointer cv) { /* mouse wheel scrolling */ if (event->direction == GDK_SCROLL_UP) tab_scroll_left_up_clicked (widget, cv); else if (event->direction == GDK_SCROLL_DOWN) tab_scroll_right_down_clicked (widget, cv); return FALSE; } static void cv_tabs_xclick_cb (GtkWidget *button, chanview *cv) { cv->cb_xbutton (cv, cv->focused, cv->focused->tag, cv->focused->userdata); } /* make a Scroll (arrow) button */ static GtkWidget * make_sbutton (GtkArrowType type, void *click_cb, void *userdata) { GtkWidget *button, *arrow; button = gtk_button_new (); arrow = gtk_arrow_new (type, GTK_SHADOW_NONE); gtk_container_add (GTK_CONTAINER (button), arrow); gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE); g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (click_cb), userdata); g_signal_connect (G_OBJECT (button), "scroll_event", G_CALLBACK (tab_scroll_cb), userdata); gtk_widget_show (arrow); return button; } static void cv_tabs_init (chanview *cv) { GtkWidget *box, *hbox = NULL; GtkWidget *viewport; GtkWidget *outer; GtkWidget *button; if (cv->vertical) outer = gtk_vbox_new (0, 0); else outer = gtk_hbox_new (0, 0); ((tabview *)cv)->outer = outer; g_signal_connect (G_OBJECT (outer), "size_allocate", G_CALLBACK (cv_tabs_sizealloc), cv); /* gtk_container_set_border_width (GTK_CONTAINER (outer), 2);*/ gtk_widget_show (outer); viewport = gtk_viewport_new (0, 0); gtk_viewport_set_shadow_type (GTK_VIEWPORT (viewport), GTK_SHADOW_NONE); g_signal_connect (G_OBJECT (viewport), "size_request", G_CALLBACK (cv_tabs_sizerequest), cv); g_signal_connect (G_OBJECT (viewport), "scroll_event", G_CALLBACK (tab_scroll_cb), cv); gtk_box_pack_start (GTK_BOX (outer), viewport, 1, 1, 0); gtk_widget_show (viewport); if (cv->vertical) box = gtk_vbox_new (FALSE, 0); else box = gtk_hbox_new (FALSE, 0); ((tabview *)cv)->inner = box; gtk_container_add (GTK_CONTAINER (viewport), box); gtk_widget_show (box); /* if vertical, the buttons can be side by side */ if (cv->vertical) { hbox = gtk_hbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (outer), hbox, 0, 0, 0); gtk_widget_show (hbox); } /* make the Scroll buttons */ ((tabview *)cv)->b2 = make_sbutton (cv->vertical ? GTK_ARROW_UP : GTK_ARROW_LEFT, tab_scroll_left_up_clicked, cv); ((tabview *)cv)->b1 = make_sbutton (cv->vertical ? GTK_ARROW_DOWN : GTK_ARROW_RIGHT, tab_scroll_right_down_clicked, cv); if (hbox) { gtk_container_add (GTK_CONTAINER (hbox), ((tabview *)cv)->b2); gtk_container_add (GTK_CONTAINER (hbox), ((tabview *)cv)->b1); } else { gtk_box_pack_start (GTK_BOX (outer), ((tabview *)cv)->b2, 0, 0, 0); gtk_box_pack_start (GTK_BOX (outer), ((tabview *)cv)->b1, 0, 0, 0); } button = gtkutil_button (outer, GTK_STOCK_CLOSE, NULL, cv_tabs_xclick_cb, cv, 0); gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE); gtk_widget_set_can_focus (button, FALSE); gtk_container_add (GTK_CONTAINER (cv->box), outer); } static void cv_tabs_postinit (chanview *cv) { } static void tab_add_sorted (chanview *cv, GtkWidget *box, GtkWidget *tab, chan *ch) { GList *list; GtkWidget *child; int i = 0; void *b; if (!cv->sorted) { gtk_box_pack_start (GTK_BOX (box), tab, 0, 0, 0); gtk_widget_show (tab); return; } /* sorting TODO: * - move tab if renamed (dialogs) */ /* userdata, passed to mg_tabs_compare() */ b = ch->userdata; list = gtk_container_get_children (GTK_CONTAINER (box)); while (list) { child = list->data; if (!GTK_IS_SEPARATOR (child)) { void *a = g_object_get_data (G_OBJECT (child), "u"); if (ch->tag == 0 && cv->cb_compare (a, b) > 0) { gtk_box_pack_start (GTK_BOX (box), tab, 0, 0, 0); gtk_box_reorder_child (GTK_BOX (box), tab, i); gtk_widget_show (tab); return; } } i++; list = list->next; } /* append */ gtk_box_pack_start (GTK_BOX (box), tab, 0, 0, 0); gtk_box_reorder_child (GTK_BOX (box), tab, i); gtk_widget_show (tab); } /* remove empty boxes and separators */ static void cv_tabs_prune (chanview *cv) { GList *boxes, *children; GtkWidget *box, *inner; GtkWidget *child; int empty; inner = ((tabview *)cv)->inner; boxes = gtk_container_get_children (GTK_CONTAINER (inner)); while (boxes) { child = boxes->data; box = child; boxes = boxes->next; /* check if the box is empty (except a vseperator) */ empty = TRUE; children = gtk_container_get_children (GTK_CONTAINER (box)); while (children) { if (!GTK_IS_SEPARATOR ((GtkWidget *)children->data)) { empty = FALSE; break; } children = children->next; } if (empty) gtk_widget_destroy (box); } } static void tab_add_real (chanview *cv, GtkWidget *tab, chan *ch) { GList *boxes, *children; GtkWidget *sep, *box, *inner; GtkWidget *child; int empty; inner = ((tabview *)cv)->inner; /* see if a family for this tab already exists */ boxes = gtk_container_get_children (GTK_CONTAINER (inner)); while (boxes) { child = boxes->data; box = child; if (g_object_get_data (G_OBJECT (box), "f") == ch->family) { tab_add_sorted (cv, box, tab, ch); gtk_widget_queue_resize (gtk_widget_get_parent(inner)); return; } boxes = boxes->next; /* check if the box is empty (except a vseperator) */ empty = TRUE; children = gtk_container_get_children (GTK_CONTAINER (box)); while (children) { if (!GTK_IS_SEPARATOR ((GtkWidget *)children->data)) { empty = FALSE; break; } children = children->next; } if (empty) gtk_widget_destroy (box); } /* create a new family box */ if (cv->vertical) { /* vertical */ box = gtk_vbox_new (FALSE, 0); sep = gtk_hseparator_new (); } else { /* horiz */ box = gtk_hbox_new (FALSE, 0); sep = gtk_vseparator_new (); } gtk_box_pack_end (GTK_BOX (box), sep, 0, 0, 4); gtk_widget_show (sep); gtk_box_pack_start (GTK_BOX (inner), box, 0, 0, 0); g_object_set_data (G_OBJECT (box), "f", ch->family); gtk_box_pack_start (GTK_BOX (box), tab, 0, 0, 0); gtk_widget_show (tab); gtk_widget_show (box); gtk_widget_queue_resize (gtk_widget_get_parent(inner)); } static gboolean tab_ignore_cb (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) { return TRUE; } /* called when a tab is clicked (button down) */ static void tab_pressed_cb (GtkToggleButton *tab, chan *ch) { chan *old_tab; int is_switching = TRUE; chanview *cv = ch->cv; ignore_toggle = TRUE; /* de-activate the old tab */ old_tab = cv->focused; if (old_tab && old_tab->impl) { gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (old_tab->impl), FALSE); if (old_tab == ch) is_switching = FALSE; } gtk_toggle_button_set_active (tab, TRUE); ignore_toggle = FALSE; cv->focused = ch; if (/*tab->active*/is_switching) /* call the focus callback */ cv->cb_focus (cv, ch, ch->tag, ch->userdata); } /* called for keyboard tab toggles only */ static void tab_toggled_cb (GtkToggleButton *tab, chan *ch) { if (ignore_toggle) return; /* activated a tab via keyboard */ tab_pressed_cb (tab, ch); } static gboolean tab_click_cb (GtkWidget *wid, GdkEventButton *event, chan *ch) { return ch->cv->cb_contextmenu (ch->cv, ch, ch->tag, ch->userdata, event); } static void * cv_tabs_add (chanview *cv, chan *ch, char *name, GtkTreeIter *parent) { GtkWidget *but; but = gtk_toggle_button_new_with_label (name); gtk_widget_set_name (but, "hexchat-tab"); g_object_set_data (G_OBJECT (but), "c", ch); /* used to trap right-clicks */ g_signal_connect (G_OBJECT (but), "button_press_event", G_CALLBACK (tab_click_cb), ch); /* avoid prelights */ g_signal_connect (G_OBJECT (but), "enter_notify_event", G_CALLBACK (tab_ignore_cb), NULL); g_signal_connect (G_OBJECT (but), "leave_notify_event", G_CALLBACK (tab_ignore_cb), NULL); g_signal_connect (G_OBJECT (but), "pressed", G_CALLBACK (tab_pressed_cb), ch); /* for keyboard */ g_signal_connect (G_OBJECT (but), "toggled", G_CALLBACK (tab_toggled_cb), ch); g_object_set_data (G_OBJECT (but), "u", ch->userdata); tab_add_real (cv, but, ch); return but; } /* traverse all the family boxes of tabs * * A "group" is basically: * GtkV/HBox * `-GtkViewPort * `-GtkV/HBox (inner box) * `- GtkBox (family box) * `- GtkToggleButton * `- GtkToggleButton * `- ... * `- GtkBox * `- GtkToggleButton * `- GtkToggleButton * `- ... * `- ... * * */ static int tab_group_for_each_tab (chanview *cv, int (*callback) (GtkWidget *tab, int num, int usernum), int usernum) { GList *tabs; GList *boxes; GtkWidget *child; GtkBox *innerbox; int i; innerbox = (GtkBox *) ((tabview *)cv)->inner; boxes = gtk_container_get_children (GTK_CONTAINER (innerbox)); i = 0; while (boxes) { child = boxes->data; tabs = gtk_container_get_children (GTK_CONTAINER (child)); while (tabs) { child = tabs->data; if (!GTK_IS_SEPARATOR (child)) { if (callback (child, i, usernum) != -1) return i; i++; } tabs = tabs->next; } boxes = boxes->next; } return i; } static int tab_check_focus_cb (GtkWidget *tab, int num, int unused) { if (GTK_TOGGLE_BUTTON (tab)->active) return num; return -1; } /* returns the currently focused tab number */ static int tab_group_get_cur_page (chanview *cv) { return tab_group_for_each_tab (cv, tab_check_focus_cb, 0); } static void cv_tabs_focus (chan *ch) { if (ch->impl) /* focus the new one (tab_pressed_cb defocuses the old one) */ tab_pressed_cb (GTK_TOGGLE_BUTTON (ch->impl), ch); } static int tab_focus_num_cb (GtkWidget *tab, int num, int want) { if (num == want) { cv_tabs_focus (g_object_get_data (G_OBJECT (tab), "c")); return 1; } return -1; } static void cv_tabs_change_orientation (chanview *cv) { /* cleanup the old one */ if (cv->func_cleanup) cv->func_cleanup (cv); /* now rebuild a new tabbar or tree */ cv->func_init (cv); chanview_populate (cv); } /* switch to the tab number specified */ static void cv_tabs_move_focus (chanview *cv, gboolean relative, int num) { int i, max; if (relative) { max = cv->size; i = tab_group_get_cur_page (cv) + num; /* make it wrap around at both ends */ if (i < 0) i = max - 1; if (i >= max) i = 0; tab_group_for_each_tab (cv, tab_focus_num_cb, i); return; } tab_group_for_each_tab (cv, tab_focus_num_cb, num); } static void cv_tabs_remove (chan *ch) { gtk_widget_destroy (ch->impl); ch->impl = NULL; cv_tabs_prune (ch->cv); } static void cv_tabs_move (chan *ch, int delta) { int i, pos = 0; GList *list; GtkWidget *parent = gtk_widget_get_parent(GTK_WIDGET (ch->impl)); i = 0; for (list = gtk_container_get_children (GTK_CONTAINER (parent)); list; list = list->next) { GtkWidget *child_entry; child_entry = list->data; if (child_entry == ch->impl) pos = i; i++; } pos = (pos - delta) % i; gtk_box_reorder_child (GTK_BOX (parent), ch->impl, pos); } static void cv_tabs_move_family (chan *ch, int delta) { int i, pos = 0; GList *list; GtkWidget *box = NULL; /* find position of tab's family */ i = 0; for (list = gtk_container_get_children (GTK_CONTAINER (((tabview *)ch->cv)->inner)); list; list = list->next) { GtkWidget *child_entry; void *fam; child_entry = list->data; fam = g_object_get_data (G_OBJECT (child_entry), "f"); if (fam == ch->family) { box = child_entry; pos = i; } i++; } pos = (pos - delta) % i; gtk_box_reorder_child (GTK_BOX (gtk_widget_get_parent(box)), box, pos); } static void cv_tabs_cleanup (chanview *cv) { if (cv->box) gtk_widget_destroy (((tabview *)cv)->outer); } static void cv_tabs_set_color (chan *ch, PangoAttrList *list) { gtk_label_set_attributes (GTK_LABEL (GTK_BIN (ch->impl)->child), list); } static void cv_tabs_rename (chan *ch, char *name) { PangoAttrList *attr; GtkWidget *tab = ch->impl; attr = gtk_label_get_attributes (GTK_LABEL (GTK_BIN (tab)->child)); if (attr) pango_attr_list_ref (attr); gtk_button_set_label (GTK_BUTTON (tab), name); gtk_widget_queue_resize (gtk_widget_get_parent(gtk_widget_get_parent(gtk_widget_get_parent(tab)))); if (attr) { gtk_label_set_attributes (GTK_LABEL (GTK_BIN (tab)->child), attr); pango_attr_list_unref (attr); } } static gboolean cv_tabs_is_collapsed (chan *ch) { return FALSE; } static chan * cv_tabs_get_parent (chan *ch) { return NULL; }