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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);
var
OldCaptureWinControl: TWinControl;
// OldCaptureWinControl: TWinControl;
NewCaptureWinControl: TWinControl;
begin
//DebugLn('SetCaptureControl Old=',DbgSName(CaptureControl),' New=',DbgSName(Control));
@ -2663,7 +2663,7 @@ begin
Exit;
end;
OldCaptureWinControl := FindOwnerControl(GetCapture);
// OldCaptureWinControl := FindOwnerControl(GetCapture);
if Control is TWinControl then
NewCaptureWinControl := TWinControl(Control)
else
@ -2680,16 +2680,22 @@ begin
Exit;
end;
if NewCaptureWinControl = OldCaptureWinControl then
begin
{$IFDEF VerboseMouseCapture}
DebugLN('SetCaptureControl Keep WinControl ',DbgSName(NewCaptureWinControl),
' switch Control ',DbgSName(Control));
{$ENDIF}
// just change the CaptureControl, intf call not needed
CaptureControl := Control;
Exit;
end;
// Paul: don't uncomment. Intf call is needed since some widgetsets can install
// capture themselves and release capture. Thus we can be in situation when we
// get widgetset installed capture and don't install our own, later widgetset
// releases its own capture and we have no capture. Such behavior was registered
// on windows and it cased a bug #13615
// if NewCaptureWinControl = OldCaptureWinControl then
// begin
// {$IFDEF VerboseMouseCapture}
// DebugLN('SetCaptureControl Keep WinControl ',DbgSName(NewCaptureWinControl),
// ' switch Control ',DbgSName(Control));
// {$ENDIF}
// CaptureControl := Control;
// Exit;
// end;
// switch capture control
{$IFDEF VerboseMouseCapture}