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Qt: QtSizeFix - completely reduced overhead, InvalidateClientRectCache() isn't called by TQtPage on each QEvent::Resize anymore.

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git-svn-id: trunk@25034 -
This commit is contained in:
zeljko 2010-04-28 16:31:02 +00:00
parent 7937d63b39
commit 756b181ef3
1 changed files with 34 additions and 2 deletions
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36
lcl/interfaces/qt/qtwidgets.pas
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@ -707,6 +707,9 @@ type
private
FCurrentChangedHook: QTabWidget_hookH;
FCloseRequestedHook: QTabWidget_hookH;
{$IFDEF QTSizeFix}
FStackedWidgetHook: QObject_hookH;
{$ENDIF}
FTabBar: TQtTabBar;
FStackWidget: QWidgetH;
function getShowTabs: Boolean;
@ -6486,10 +6489,21 @@ begin
FCloseRequestedHook := QTabWidget_hook_create(Widget);
QTabWidget_hook_hook_tabCloseRequested(FCloseRequestedHook, @SignalCloseRequested);
{$IFDEF QTSizeFix}
FStackedWidgetHook := QObject_hook_create(StackWidget);
QObject_hook_hook_events(FStackedWidgetHook, @EventFilter);
{$ENDIF}
end;
procedure TQtTabWidget.DetachEvents;
begin
{$IFDEF QTSizeFix}
if FStackedWidgetHook <> nil then
begin
QObject_hook_destroy(FStackedWidgetHook);
FStackedWidgetHook := nil;
end;
{$ENDIF}
QTabWidget_hook_destroy(FCurrentChangedHook);
QTabWidget_hook_destroy(FCloseRequestedHook);
inherited DetachEvents;
@ -6503,7 +6517,19 @@ begin
QEvent_accept(Event);
if LCLObject = nil then
exit;
{$IFDEF QTSizeFix}
if (Sender = FStackWidget) then
begin
case QEvent_type(Event) of
QEventResize:
if LCLObject.ClientRectNeedsInterfaceUpdate then
LCLObject.InvalidateClientRectCache(False);
// layoutRequest from stacked widget is very important !
QEventLayoutRequest: LCLObject.DoAdjustClientRectChange(False);
end;
exit;
end;
{$ENDIF}
BeginEventProcessing;
case QEvent_type(Event) of
QEventKeyPress,
@ -6522,7 +6548,7 @@ end;
------------------------------------------------------------------------------}
function TQtTabWidget.insertTab(index: Integer; page: QWidgetH; p2: WideString): Integer; overload;
begin
Result := QTabWidget_insertTab(QTabWidgetH(Widget), index, page, @p2);
Result := insertTab(index, page, nil, p2);
end;
{------------------------------------------------------------------------------
@ -11039,8 +11065,14 @@ end;
function TQtPage.EventFilter(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
begin
{$IFDEF QTSizeFix}
if (QEvent_type(Event) = QEventResize) and
LCLObject.Parent.ClientRectNeedsInterfaceUpdate then
LCLObject.Parent.InvalidateClientRectCache(False);
{$ELSE}
if (QEvent_type(Event) = QEventResize) and not InUpdate then
LCLObject.Parent.InvalidateClientRectCache(False);
{$ENDIF}
Result:=inherited EventFilter(Sender, Event);
end;