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Qt: implemented InvalidateRgn() to qt winapi. Added helper routine TQtWidget.UpdateRegion().

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git-svn-id: trunk@32489 -
This commit is contained in:
zeljko 2011-09-24 06:16:30 +00:00
parent 1337735deb
commit 9b4c8b8fb9
3 changed files with 44 additions and 2 deletions
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18
lcl/interfaces/qt/qtwidgets.pas
View File

@ -201,6 +201,7 @@ type
procedure clearMask;
procedure OffsetMousePos(APoint: PQtPoint); virtual;
procedure Update(ARect: PRect = nil); virtual;
procedure UpdateRegion(ARgn: QRegionH); virtual;
procedure Repaint(ARect: PRect = nil); virtual;
procedure setWindowTitle(Str: PWideString);
procedure WindowTitle(Str: PWideString);
@ -415,6 +416,7 @@ type
procedure DestroyNotify(AWidget: TQtWidget); override;
destructor Destroy; override;
procedure Update(ARect: PRect = nil); override;
procedure UpdateRegion(ARgn: QRegionH); override;
procedure Repaint(ARect: PRect = nil); override;
property ScrollBarPolicy[AIndex: Boolean]: QtScrollBarPolicy read getScrollBarsPolicy write setScrollBarPolicy;
end;
@ -3511,6 +3513,14 @@ begin
QWidget_update(Widget);
end;
procedure TQtWidget.UpdateRegion(ARgn: QRegionH);
begin
if ARgn <> nil then
QWidget_update(Widget, ARgn)
else
QWidget_update(Widget);
end;
{------------------------------------------------------------------------------
Function: TQtWidget.Repaint
Params: None
@ -12522,6 +12532,14 @@ begin
QWidget_update(viewportWidget);
end;
procedure TQtAbstractScrollArea.UpdateRegion(ARgn: QRegionH);
begin
if ARgn <> nil then
QWidget_update(viewportWidget, ARgn)
else
QWidget_update(viewportWidget);
end;
procedure TQtAbstractScrollArea.Repaint(ARect: PRect);
var
P: TPoint;

27
lcl/interfaces/qt/qtwinapi.inc
View File

@ -4614,9 +4614,10 @@ end;
function TQtWidgetSet.InvalidateRect(aHandle: HWND; Rect: pRect; bErase: Boolean): Boolean;
begin
{$ifdef VerboseQtWinAPI}
WriteLn('[WinAPI Invalidate Rect]');
WriteLn('[WinAPI InvalidateRect]');
{$endif}
if AHandle = 0 then
exit(False);
if Rect <> nil then
begin
with TQtWidget(aHandle).getClientOffset do
@ -4629,6 +4630,28 @@ begin
Result := True;
end;
{------------------------------------------------------------------------------
Function: InvalidateRgn
Params: aHandle:
Rect:
bErase:
Returns: True if invalidate is successfull.
Invalidates region of widget.
------------------------------------------------------------------------------}
function TQtWidgetSet.InvalidateRgn(aHandle: HWND; Rgn: HRGN; Erase: Boolean
): Boolean;
begin
{$ifdef VerboseQtWinAPI}
WriteLn('[WinAPI InvalidateRgn]');
{$endif}
if aHandle = 0 then
exit(False);
if IsValidGDIObject(Rgn) and (TQtRegion(Rgn).Widget <> nil) then
TQtWidget(aHandle).UpdateRegion(TQtRegion(Rgn).Widget)
else
TQtWidget(aHandle).Update;
end;
{------------------------------------------------------------------------------
Procedure: LeaveCriticalSection
Params: var CritSection: TCriticalSection

1
lcl/interfaces/qt/qtwinapih.inc
View File

@ -146,6 +146,7 @@ function GradientFill(DC: HDC; Vertices: PTriVertex; NumVertices : Longint;
function HideCaret(hWnd: HWND): Boolean; override;
function InvalidateRect(aHandle : HWND; Rect : pRect; bErase : Boolean) : Boolean; override;
function InvalidateRgn(aHandle: HWND; Rgn: HRGN; Erase: Boolean): Boolean; override;
procedure InitializeCriticalSection(var CritSection: TCriticalSection); override;
function IntersectClipRect(dc: hdc; Left, Top, Right, Bottom: Integer): Integer; override;
function IsIconic(Handle: HWND): boolean; override;