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e2231d1ff2
- Launcher: set default working directory when starting LyX (thanks again to Martin Rauscher for testing) git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18447 a592a061-630c-0410-9148-cb99ea01b6c8
110 lines
2.6 KiB
ObjectPascal
110 lines
2.6 KiB
ObjectPascal
program lyxLauncher;
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// this program opens LyX and hides its console window
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// author: Uwe Stöhr
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{The problematic is the following:
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When the lyx.exe is started, also a console window is shown.
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But closing the console window, also closes LyX,
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therefore the console will be hidden by this program.}
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{$APPTYPE CONSOLE}
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uses
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Windows, SysUtils, ShellApi, Dialogs;
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{$R *.res}
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var Path,FileName : string;
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hConsole : THandle;
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procedure StartLyX(hConsole: THandle; FileName,Path: string);
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// starts LyX
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var Params : PChar;
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hLyX : THandle;
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Folder : string;
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begin
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// if a filename is given, quote it to avoid the path with spaces problem
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if FileName <> '' then
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Params:= PChar('"' + FileName + '"')
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else
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Params:= nil;
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// get folder of the lyx.exe
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Folder:= StringReplace(Path,'\lyx.exe','',[rfIgnoreCase]);
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// quote path to avoid the path with spaces problem
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Folder:= '"' + Folder + '"';
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// start LyX
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hLyX:= ShellExecute(hConsole,PChar('open'),PChar(Path),
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Params,PChar(Folder),SW_SHOWNORMAL);
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if hLyX = ERROR_FILE_NOT_FOUND then
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begin
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MessageDLG('The file'#13#10 + Path + #13#10
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+ 'could not be found!',mtError,[mbOK],0);
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exit;
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end;
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if hLyX = SE_ERR_ACCESSDENIED then
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begin
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MessageDLG('Windows denied access on the file'#13#10 + Path,
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mtError,[mbOK],0);
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exit;
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end;
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end; // end procedure
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procedure HideWindow(ProgWin: string);
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// hides a given program window
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var Handle : THandle;
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begin
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// find handle of the program window
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// Repeat until the handle is available
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// because Lyx needs some time to start
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Repeat
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Sleep(1000); // wait 1 second to give LyX time to open
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Handle := FindWindow(nil,Pchar(ProgWin));
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Until Handle <> 0;
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// hide the window from taskbar
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ShowWindow(Handle, SW_HIDE);
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end; //end procedure
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begin //begin program
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//Read path to this application
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Path:= ParamStr(0);
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//get handle of this console window
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// This application is called by the lyx.bat with the name "LyX"
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hConsole := FindWindow(nil,Pchar('LyX'));
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// hide the window of this console application
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ShowWindow(hConsole,SW_HIDE);
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// do the same for the real name of this console application
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// because it depends on the computer speed if the "LyX" console window
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// was closed before it could be processed
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hConsole := FindWindow(nil,Pchar(Path));
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ShowWindow(hConsole,SW_HIDE);
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// replace in the path "lyxLauncher.exe" by "lyx.exe"
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Path:= StringReplace(Path, 'lyxLauncher', 'lyx', [rfIgnoreCase]);
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// read given filename of a LyX-document
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FileName:= ParamStr(1);
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// start LyX
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StartLyX(hConsole,FileName,Path);
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// hide console window of lyx.exe
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HideWindow(Path);
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end. //end program
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