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When the window selector hovers over a window that can be made transparent, it will make it transparent.

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git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@287 3f818213-9676-44b0-a9b4-5e4c4e03d09d
This commit is contained in:
Wizzup? 2009-12-18 13:39:36 +00:00
parent 28f5c30785
commit 78af57e181
1 changed files with 30 additions and 3 deletions
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33
Units/MMLAddon/windowselector.pas
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@ -34,7 +34,7 @@ uses
controls, controls,
graphics, graphics,
forms, forms,
{$IFNDEF MSWINDOWS}x, xlib {$IFNDEF MSWINDOWS}x, xlib,xatom
{$ELSE} {$ELSE}
windows windows
{$ENDIF} {$ENDIF}
@ -87,17 +87,27 @@ var
x, y : cint; x, y : cint;
Old_Handler : TXErrorHandler; Old_Handler : TXErrorHandler;
window_opacity: TAtom;
opacity_75: culong;
opacity_100: culong;
begin begin
Old_Handler := XSetErrorHandler(@MufasaXErrorHandler); Old_Handler := XSetErrorHandler(@MufasaXErrorHandler);
Result := 0; Result := 0;
window_opacity:=XInternAtom(Window.XDisplay,PChar('_NET_WM_WINDOW_OPACITY'), False);
opacity_75 := cuint($ffffffff * 0.75);
opacity_100 := cuint($ffffffff);
repeat repeat
// get pointer pos + current window we are at.
XQueryPointer(Window.XDisplay, Window.DesktopWindow, @root, XQueryPointer(Window.XDisplay, Window.DesktopWindow, @root,
@Tempwindow, @x_root, @y_root, @Tempwindow, @x_root, @y_root,
@x, @y, @xmask); @x, @y, @xmask);
subwindow:= Tempwindow; subwindow:= Tempwindow;
// find the most `child' window.
while subwindow <> 0 do while subwindow <> 0 do
begin begin
Tempwindow := subwindow; Tempwindow := subwindow;
@ -105,16 +115,33 @@ begin
@subwindow, @x_root, @y_root, @subwindow, @x_root, @y_root,
@x, @y, @xmask); @x, @y, @xmask);
end; end;
if Result <> Tempwindow then if Result <> Tempwindow then
begin begin
WriteLn('Changing Window to: ' + IntToStr(Tempwindow)); writeln('Making ' + inttostr(tempwindow) + ' transparent');
XChangeProperty(Window.XDisplay, tempwindow, window_opacity, XA_CARDINAL, 32, PropModeReplace, @opacity_75, 1);
writeln('Resetting ' + inttostr(Result));
if result <> 0 then
XChangeProperty(Window.XDisplay, Result, window_opacity, XA_CARDINAL, 32, PropModeReplace, @opacity_100, 1);
WriteLn('Changing Window from: ' + Inttostr(result) +' to: ' + IntToStr(Tempwindow));
// XChangeProperty(Window.XDisplay, tempwindow, window_opacity, XA_CARDINAL, 32, PropModeReplace, @opacity_50, 1);
Result := Tempwindow; Result := Tempwindow;
end; end;
XFlush(Window.XDisplay);
Sleep(16); Sleep(16);
//if we are selecting for a long time, we must still process other messages
Application.ProcessMessages;
until (xmask and Button1Mask) = 0; until (xmask and Button1Mask) = 0;
XChangeProperty(Window.XDisplay, Result, window_opacity, XA_CARDINAL, 32, PropModeReplace, @opacity_100, 1);
XFlush(Window.XDisplay);
XSetErrorHandler(Old_handler); XSetErrorHandler(Old_handler);
end; end;