mirror of
https://github.com/moparisthebest/Simba
synced 2024-11-23 01:32:17 -05:00
7bece8ede2
Added some functions needed for compiling SRL. git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@483 3f818213-9676-44b0-a9b4-5e4c4e03d09d
383 lines
11 KiB
ObjectPascal
383 lines
11 KiB
ObjectPascal
{
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This file is part of the Mufasa Macro Library (MML)
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Copyright (c) 2009 by Raymond van Venetië and Merlijn Wajer
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MML 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 3 of the License, or
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(at your option) any later version.
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MML 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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You should have received a copy of the GNU General Public License
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along with MML. If not, see <http://www.gnu.org/licenses/>.
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See the file COPYING, included in this distribution,
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for details about the copyright.
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Linux OS specific implemetation for Mufasa Macro Library
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}
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{$mode objfpc}{$H+}
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unit os_linux;
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interface
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uses
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Classes, SysUtils, mufasatypes, xlib, x, xutil, IOManager, XKeyInput, ctypes, xtest, keysym;
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type
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TNativeWindow = x.TWindow;
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TKeyInput = class(TXKeyInput)
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public
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procedure Down(Key: Word);
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procedure Up(Key: Word);
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end;
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{ TWindow }
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TWindow = class(TWindow_Abstract)
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public
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constructor Create(display: PDisplay; screennum: integer; window: x.TWindow);
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destructor Destroy; override;
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procedure GetTargetDimensions(var w, h: integer); override;
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function ReturnData(xs, ys, width, height: Integer): TRetData; override;
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procedure FreeReturnData; override;
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function TargetValid: boolean; override;
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procedure ActivateClient; override;
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procedure GetMousePosition(var x,y: integer); override;
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procedure MoveMouse(x,y: integer); override;
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procedure HoldMouse(x,y: integer; button: TClickType); override;
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procedure ReleaseMouse(x,y: integer; button: TClickType); override;
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procedure SendString(str: string); override;
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procedure HoldKey(key: integer); override;
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procedure ReleaseKey(key: integer); override;
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function IsKeyHeld(key: integer): boolean; override;
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function GetKeyCode(c : char) : integer;override;
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function GetNativeWindow: TNativeWindow;
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private
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display: PDisplay;
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screennum: integer;
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window: x.TWindow;
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buffer: PXImage;
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dirty: Boolean; //true if image loaded
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keyinput: TKeyInput;
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end;
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TIOManager = class(TIOManager_Abstract)
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public
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constructor Create;
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constructor Create(plugin_dir: string);
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function SetTarget(target: TNativeWindow): integer; overload;
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procedure SetDesktop; override;
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private
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procedure NativeInit; override;
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procedure NativeFree; override;
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public
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display: PDisplay;
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screennum: integer;
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desktop: x.TWindow;
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end;
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function MufasaXErrorHandler(para1:PDisplay; para2:PXErrorEvent):cint; cdecl;
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implementation
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uses GraphType, interfacebase, lcltype;
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// Too global.
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function MufasaXErrorHandler(para1:PDisplay; para2:PXErrorEvent):cint;cdecl;
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begin;
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result := 0;
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Writeln('X Error: ');
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writeln('Error code: ' + inttostr(para2^.error_code));
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writeln('Display: ' + inttostr(LongWord(para2^.display)));
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writeln('Minor code: ' + inttostr(para2^.minor_code));
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writeln('Request code: ' + inttostr(para2^.request_code));
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writeln('Resource ID: ' + inttostr(para2^.resourceid));
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writeln('Serial: ' + inttostr(para2^.serial));
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writeln('Type: ' + inttostr(para2^._type));
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end;
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//***implementation*** TKeyInput
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procedure TKeyInput.Down(Key: Word);
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begin
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DoDown(Key);
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end;
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procedure TKeyInput.Up(Key: Word);
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begin
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DoUp(Key);
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end;
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//***implementation*** TWindow
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constructor TWindow.Create(display: PDisplay; screennum: integer; window: x.TWindow);
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begin
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inherited Create;
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self.display:= display;
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self.screennum:= screennum;
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self.window:= window;
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self.dirty:= false;
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self.keyinput:= TKeyInput.Create
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end;
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destructor TWindow.Destroy;
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begin
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FreeReturnData;
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keyinput.Free;
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inherited Destroy;
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end;
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function TWindow.GetNativeWindow: TNativeWindow;
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begin
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result := self.window;
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end;
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procedure TWindow.GetTargetDimensions(var w, h: integer);
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var
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Old_Handler: TXErrorHandler;
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Attrib: TXWindowAttributes;
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newx, newy: integer;
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childwindow: x.TWindow;
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begin
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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if XGetWindowAttributes(display, window, @Attrib) <> 0 Then
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begin
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{ I don't think we need this XTranslateCoordinates... :D }
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XTranslateCoordinates(display, window, RootWindow(display, screennum), 0,0, @newx, @newy, @childwindow);
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W := Attrib.Width;
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H := Attrib.Height;
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end else
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begin
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{ TODO: Raise Exception because the Window does not exist? }
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W := -1;
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H := -1;
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end;
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XSetErrorHandler(Old_Handler);
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end;
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function TWindow.TargetValid: boolean;
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var
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old_handler: TXErrorHandler;
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Attrib: TXWindowAttributes;
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begin
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old_handler := XSetErrorHandler(@MufasaXErrorHandler);
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//This was in the repos, but it doesn't seem to work...
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//Maybe I missed something?
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result:= XGetWindowAttributes(display, window, @Attrib) <> 0;
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XSetErrorHandler(old_handler);
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end;
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procedure TWindow.ActivateClient;
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var
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Old_Handler: TXErrorHandler;
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begin
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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{ TODO: Check if Window is valid? }
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XSetInputFocus(display,window,RevertToParent,CurrentTime);
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XFlush(display);
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XSetErrorHandler(Old_Handler);
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end;
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function TWindow.ReturnData(xs, ys, width, height: Integer): TRetData;
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var
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Old_Handler: TXErrorHandler;
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w,h: integer;
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begin
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GetTargetDimensions(w,h);
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if (xs < 0) or (xs + width > w) or (ys < 0) or (ys + height > h) then
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raise Exception.CreateFMT('TMWindow.ReturnData: The parameters passed are wrong; xs,ys %d,%d width,height %d,%d',[xs,ys,width,height]);
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if dirty then
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raise Exception.CreateFmt('ReturnData was called again without freeing'+
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' the previously used data. Do not forget to'+
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' call FreeReturnData', []);
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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buffer := XGetImage(display, window, xs, ys, width, height, AllPlanes, ZPixmap);
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if buffer = nil then
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begin
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Writeln('ReturnData: XGetImage Error. Dumping data now:');
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Writeln('xs, ys, width, height: ' + inttostr(xs) + ', ' + inttostr(ys) +
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', ' + inttostr(width) + ', ' + inttostr(height));
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Result.Ptr := nil;
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Result.IncPtrWith := 0;
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XSetErrorHandler(Old_Handler);
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raise Exception.CreateFMT('TMWindow.ReturnData: ReturnData: XGetImage Error', []);
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exit;
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end;
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Result.Ptr := PRGB32(buffer^.data);
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Result.IncPtrWith := 0;
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Result.RowLen := width;
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dirty:= true;
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XSetErrorHandler(Old_Handler);
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end;
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procedure TWindow.FreeReturnData;
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begin
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if dirty then
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begin
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if (buffer <> nil) then
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XDestroyImage(buffer);
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buffer:= nil;
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dirty:= false;
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end;
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end;
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procedure TWindow.GetMousePosition(var x,y: integer);
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var
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b:integer;
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root, child: twindow;
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xmask: Cardinal;
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Old_Handler: TXErrorHandler;
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begin
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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XQueryPointer(display,window,@root,@child,@b,@b,@x,@y,@xmask);
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XSetErrorHandler(Old_Handler);
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end;
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procedure TWindow.MoveMouse(x,y: integer);
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var
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Old_Handler: TXErrorHandler;
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w,h: integer;
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begin
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GetTargetDimensions(w, h);
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if (x < 0) or (y < 0) or (x > w) or (y > h) then
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raise Exception.CreateFmt('SetMousePos: X, Y (%d, %d) is not valid (0,0,%d,%d)', [x, y, w, h]);
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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XWarpPointer(display, 0, window, 0, 0, 0, 0, X, Y);
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XFlush(display);
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XSetErrorHandler(Old_Handler);
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end;
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procedure TWindow.HoldMouse(x,y: integer; button: TClickType);
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var
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ButtonP: cuint;
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_isPress: cbool;
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Old_Handler: TXErrorHandler;
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begin
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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_isPress := cbool(1);
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case button of
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mouse_Left: ButtonP:= Button1;
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mouse_Middle: ButtonP:= Button2;
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mouse_Right: ButtonP:= Button3;
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end;
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XTestFakeButtonEvent(display, ButtonP, _isPress, CurrentTime);
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XSetErrorHandler(Old_Handler);
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end;
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procedure TWindow.ReleaseMouse(x,y: integer; button: TClickType);
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var
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ButtonP: cuint;
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_isPress: cbool;
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Old_Handler: TXErrorHandler;
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begin
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Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
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_isPress := cbool(0);
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case button of
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mouse_Left: ButtonP:= Button1;
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mouse_Middle: ButtonP:= Button2;
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mouse_Right: ButtonP:= Button3;
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end;
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XTestFakeButtonEvent(display, ButtonP, _isPress, CurrentTime);
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XSetErrorHandler(Old_Handler);
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end;
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procedure TWindow.SendString(str: string);
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var
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i: integer;
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key: byte;
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HoldShift : boolean;
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begin
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HoldShift := false;
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for i := 1 to length(str) do
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begin
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if((str[i] >= 'A') and (str[i] <= 'Z')) then
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begin
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HoldKey(VK_SHIFT);
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HoldShift:= True;
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str[i] := lowerCase(str[i]);
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end else
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if HoldShift then
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begin
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HoldShift:= false;
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ReleaseKey(VK_SHIFT);
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end;
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key:= GetKeyCode(str[i]);
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HoldKey(key);
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//BenLand100: You should probably wait here...
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ReleaseKey(key);
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end;
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if HoldShift then
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ReleaseKey(VK_SHIFT);
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end;
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procedure TWindow.HoldKey(key: integer);
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begin
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keyinput.Down(key);
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end;
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procedure TWindow.ReleaseKey(key: integer);
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begin
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keyinput.Up(key);
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end;
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function TWindow.IsKeyHeld(key: integer): boolean;
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begin
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raise Exception.CreateFmt('IsKeyDown isn''t implemented yet on Linux', []);
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end;
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function TWindow.GetKeyCode(c: char): integer;
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begin
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case C of
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'0'..'9' :Result := VK_0 + Ord(C) - Ord('0');
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'a'..'z' :Result := VK_A + Ord(C) - Ord('a');
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'A'..'Z' :Result := VK_A + Ord(C) - Ord('A');
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' ' : result := VK_SPACE;
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else
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Raise Exception.CreateFMT('GetSimpleKeyCode - char (%s) is not in A..z',[c]);
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end
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end;
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//***implementation*** IOManager
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constructor TIOManager.Create;
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begin
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inherited Create;
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end;
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constructor TIOManager.Create(plugin_dir: string);
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begin
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inherited Create(plugin_dir);
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end;
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procedure TIOManager.NativeInit;
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begin
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display := XOpenDisplay(nil);
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if display = nil then
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begin
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// throw Exception
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end;
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screennum:= DefaultScreen(display);
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desktop:= RootWindow(display,screennum)
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end;
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procedure TIOManager.NativeFree;
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begin
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XCloseDisplay(display);
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end;
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procedure TIOManager.SetDesktop;
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begin
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SetBothTargets(TWindow.Create(display, screennum, desktop));
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end;
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function TIOManager.SetTarget(target: x.TWindow): integer;
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begin
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SetBothTargets(TWindow.Create(display, screennum, target))
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end;
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end.
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