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lcl: don't compare old capture control with new in SetCaptureControl, do it in any case. Read description in comment. Fixes issue #13615.

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git-svn-id: trunk@19705 -
This commit is contained in:
paul 2009-04-30 08:21:17 +00:00
parent 4a1309f268
commit 469effabc4
1 changed files with 18 additions and 12 deletions
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30
lcl/controls.pp
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@ -2646,7 +2646,7 @@ end;
procedure SetCaptureControl(Control: TControl); procedure SetCaptureControl(Control: TControl);
var var
OldCaptureWinControl: TWinControl; // OldCaptureWinControl: TWinControl;
NewCaptureWinControl: TWinControl; NewCaptureWinControl: TWinControl;
begin begin
//DebugLn('SetCaptureControl Old=',DbgSName(CaptureControl),' New=',DbgSName(Control)); //DebugLn('SetCaptureControl Old=',DbgSName(CaptureControl),' New=',DbgSName(Control));
@ -2663,7 +2663,7 @@ begin
Exit; Exit;
end; end;
OldCaptureWinControl := FindOwnerControl(GetCapture); // OldCaptureWinControl := FindOwnerControl(GetCapture);
if Control is TWinControl then if Control is TWinControl then
NewCaptureWinControl := TWinControl(Control) NewCaptureWinControl := TWinControl(Control)
else else
@ -2680,16 +2680,22 @@ begin
Exit; Exit;
end; end;
if NewCaptureWinControl = OldCaptureWinControl then // Paul: don't uncomment. Intf call is needed since some widgetsets can install
begin // capture themselves and release capture. Thus we can be in situation when we
{$IFDEF VerboseMouseCapture} // get widgetset installed capture and don't install our own, later widgetset
DebugLN('SetCaptureControl Keep WinControl ',DbgSName(NewCaptureWinControl), // releases its own capture and we have no capture. Such behavior was registered
' switch Control ',DbgSName(Control)); // on windows and it cased a bug #13615
{$ENDIF}
// just change the CaptureControl, intf call not needed // if NewCaptureWinControl = OldCaptureWinControl then
CaptureControl := Control; // begin
Exit; // {$IFDEF VerboseMouseCapture}
end; // DebugLN('SetCaptureControl Keep WinControl ',DbgSName(NewCaptureWinControl),
// ' switch Control ',DbgSName(Control));
// {$ENDIF}
// CaptureControl := Control;
// Exit;
// end;
// switch capture control // switch capture control
{$IFDEF VerboseMouseCapture} {$IFDEF VerboseMouseCapture}