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MG: fixed uncapturing of mouse

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git-svn-id: trunk@2149 -
This commit is contained in:
lazarus 2002-08-17 23:41:02 +00:00
parent 5a95c443cd
commit e9c3c86527
1 changed files with 9 additions and 19 deletions
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28
lcl/interfaces/gtk/gtkcallback.inc
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@ -590,12 +590,6 @@ begin
Mess.msg := LM_DESTROY; Mess.msg := LM_DESTROY;
Result := DeliverMessage(Data, Mess) = 0; Result := DeliverMessage(Data, Mess) = 0;
// This is a safety check, when the normal destruction fails because of bugs,
// ! A wrong mouse capture can freeze X !
if (MCaptureHandle<>0)
and (GetLCLObject(widget)=GetLCLObject(Pointer(MCaptureHandle))) then
Uncapturehandle;
// NOTE: if the destroy message is posted // NOTE: if the destroy message is posted
// we should post an info destroy message as well // we should post an info destroy message as well
Info := GetWidgetInfo(widget, False); Info := GetWidgetInfo(widget, False);
@ -608,13 +602,6 @@ begin
Mess.Msg:= LM_CLOSEQUERY; Mess.Msg:= LM_CLOSEQUERY;
{ Message results : True - do nothing, False - destroy or hide window } { Message results : True - do nothing, False - destroy or hide window }
Result:= DeliverMessage(Data, Mess) = 0; Result:= DeliverMessage(Data, Mess) = 0;
// This is a safety check, when the normal destruction fails because of bugs,
// ! A wrong mouse capture can freeze X !
if (MCaptureHandle<>0)
and (GetLCLObject(widget)=GetLCLObject(Pointer(MCaptureHandle))) then
Uncapturehandle;
end; end;
function gtkresizeCB( widget: PGtkWidget; data: gPointer) : GBoolean; cdecl; function gtkresizeCB( widget: PGtkWidget; data: gPointer) : GBoolean; cdecl;
@ -736,7 +723,7 @@ begin
); );
{$ENDIF} {$ENDIF}
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
if not (csDesigning in TComponent(Data).ComponentState) then begin if not (csDesigning in TComponent(Data).ComponentState) then begin
DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion); DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion);
@ -769,7 +756,7 @@ begin
// stop the signal, so that it is not sent to the parent widgets // stop the signal, so that it is not sent to the parent widgets
gtk_signal_emit_stop_by_name(PGTKObject(Widget),'motion-notify-event'); gtk_signal_emit_stop_by_name(PGTKObject(Widget),'motion-notify-event');
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
if (csDesigning in TComponent(Data).ComponentState) then exit; if (csDesigning in TComponent(Data).ComponentState) then exit;
if ControlGetsMouseMoveBefore(TControl(Data)) then exit; if ControlGetsMouseMoveBefore(TControl(Data)) then exit;
@ -1020,7 +1007,7 @@ begin
EventTrace('Mouse button Press', data); EventTrace('Mouse button Press', data);
Assert(False, Format('Trace:[gtkMouseBtnPress] ', [])); Assert(False, Format('Trace:[gtkMouseBtnPress] ', []));
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
if not (csDesigning in TComponent(Data).ComponentState) then begin if not (csDesigning in TComponent(Data).ComponentState) then begin
DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress); DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress);
@ -1055,7 +1042,7 @@ begin
' ',Trunc(Event^.X),',',Trunc(Event^.Y));} ' ',Trunc(Event^.X),',',Trunc(Event^.Y));}
{$ENDIF} {$ENDIF}
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
// stop the signal, so that it is not sent to the parent widgets // stop the signal, so that it is not sent to the parent widgets
gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-press-event'); gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-press-event');
@ -1173,7 +1160,7 @@ begin
//' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8), //' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8),
//' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8)); //' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8));
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
if not (csDesigning in TComponent(Data).ComponentState) then begin if not (csDesigning in TComponent(Data).ComponentState) then begin
DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease); DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease);
@ -1209,7 +1196,7 @@ begin
// stop the signal, so that it is not sent to the parent widgets // stop the signal, so that it is not sent to the parent widgets
gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-release-event'); gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-release-event');
CheckMouseCaptureHandle(Widget); UpdateMouseCaptureControl;
if (csDesigning in TComponent(Data).ComponentState) then exit; if (csDesigning in TComponent(Data).ComponentState) then exit;
if ControlGetsMouseUpBefore(TControl(Data)) then exit; if ControlGetsMouseUpBefore(TControl(Data)) then exit;
@ -2513,6 +2500,9 @@ end;
{ ============================================================================= { =============================================================================
$Log$ $Log$
Revision 1.150 2002/10/17 21:00:17 lazarus
MG: fixed uncapturing of mouse
Revision 1.149 2002/10/17 15:09:31 lazarus Revision 1.149 2002/10/17 15:09:31 lazarus
MG: made mouse capturing more strict MG: made mouse capturing more strict