jvqexbuttons.pas

East make Tray Icon in delphi

    FOnEvent(Sender, Event, Result);
  if not Result then
    Result := inherited EventFilter(Sender, Event); 
end;

procedure TJvExBitBtn.FocusChanged;
begin
  NotifyControls(CM_FOCUSCHANGED);
end;

procedure TJvExBitBtn.DoOnFontChanged(Sender: TObject);
begin
  ParentFont := False;
  PostMessage(Self, CM_FONTCHANGED, 0, 0);
end;

procedure TJvExBitBtn.CreateWidget;
begin
  CreateWnd;
end;

procedure TJvExBitBtn.CreateWnd;
begin
  inherited CreateWidget;
end;

procedure TJvExBitBtn.RecreateWnd;
begin
  if not (csRecreating in ControlState) then
    RecreateWidget;
end;

procedure TJvExBitBtn.PaintTo(PaintDevice: QPaintDeviceH; X, Y: Integer);
begin
  WidgetControl_PaintTo(self, PaintDevice, X, Y);
end;

procedure TJvExBitBtn.PaintWindow(PaintDevice: QPaintDeviceH);
begin
  PaintTo(PaintDevice, 0, 0);
end;

function TJvExBitBtn.WidgetFlags: Integer;
begin
  Result := inherited WidgetFlags or
    Integer(WidgetFlags_WRepaintNoErase) or
    Integer(WidgetFlags_WMouseNoMask);
end;

function TJvExBitBtn.ColorToRGB(Value: TColor): TColor;
begin
  Result := QWindows.ColorToRGB(Value, self);
end;
  
{ QControl Common}

function TJvExBitBtn.HitTest(X, Y: integer): Boolean;
begin
   Result := Perform(CM_HITTEST, 0, 0) <> HTNOWHERE;
end;

procedure TJvExBitBtn.CMHintShow(var Mesg: TJvMessage);
begin
  with Mesg do
  begin
    Handled := inherited HintShow(HintInfo^);
  end;
end;

procedure TJvExBitBtn.CMSysFontChanged(var Mesg: TMessage);
begin
  if FDesktopFont then
  begin
    Font.Assign(Application.Font);
    FDesktopFont := True;
  end;
end;

procedure TJvExBitBtn.EnabledChanged;
begin
  Perform(CM_ENABLEDCHANGED, 0, 0);
  inherited EnabledChanged;
end;

procedure TJvExBitBtn.TextChanged;
begin
  Perform(CM_TEXTCHANGED, 0, 0);
  inherited TextChanged;
end;

procedure TJvExBitBtn.VisibleChanged;
begin
  Perform(CM_VISIBLECHANGED, 0, 0);
  inherited VisibleChanged;
end;

function TJvExBitBtn.HintShow(var HintInfo : THintInfo): Boolean;
begin
  Result := Perform(CM_HINTSHOW, 0, Integer(@HintInfo)) <> 0;
end;

procedure TJvExBitBtn.MouseEnter(AControl: TControl);
begin
  Perform(CM_MOUSEENTER, 0, 0);
  inherited MouseEnter(AControl);
end;

procedure TJvExBitBtn.MouseLeave(AControl: TControl);
begin
  Perform(CM_MOUSELEAVE, 0, 0);
  inherited MouseLeave(AControl);
end;

procedure TJvExBitBtn.ParentColorChanged;
begin
  inherited ParentColorChanged;
  if Assigned(FOnParentColorChanged) then
    FOnParentColorChanged(Self);
end;

procedure TJvExBitBtn.SetDesktopFont(Value: Boolean);
begin
  if FDesktopFont <> Value then
  begin
    FDesktopFont := Value;
    Perform(CM_SYSFONTCHANGED, 0, 0);
  end;
end;

procedure TJvExBitBtn.Dispatch(var Mesg);
begin
  if Assigned(FWindowProc) then
    FWindowProc(TMessage(Mesg))
  else
    inherited Dispatch(Mesg);
end;

function TJvExBitBtn.Perform(Msg: Cardinal; WParam, LParam: Longint): Longint;
var
  Mesg: TMessage;
begin
  Mesg.Msg := Msg;
  Mesg.WParam := WParam;
  Mesg.LParam := LParam;
  Mesg.Result := 0;
  Dispatch(Mesg);
  Result := Mesg.Result;
end;

function TJvExBitBtn.IsRightToLeft: Boolean;
begin
  Result := False;
end;
  
 
{ QControl Create }
constructor TJvExSpeedButton.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  FHintColor := clDefault;
  FWindowProc := WndProc;
  
end;

destructor TJvExSpeedButton.Destroy;
begin
  
  inherited Destroy;
end;
 
procedure TJvExSpeedButton.WndProc(var Mesg: TMessage);
begin
  //OutputDebugString(PAnsiChar(Format('JV_CONTROL %s: %s Msg $%x',[Name, ClassName, Mesg.Msg])));
  with TJvMessage(Mesg) do
  begin
    case Msg of
      { Control Messages }
      CM_FOCUSCHANGED: FocusChanged;
      CM_MOUSEENTER: FMouseOver := True;
      CM_MOUSELEAVE: FMouseOver := False;
      CM_HINTSHOW:
        case FHintColor of
          clNone   : HintInfo^.HintColor := Application.HintColor;
          clDefault: HintInfo^.HintColor := GetHintColor(Parent);
        else
          HintInfo^.HintColor := FHintcolor;
        end;

    end;
  end;
  inherited Dispatch(Mesg);
end;

procedure TJvExSpeedButton.CMHitTest(var Mesg: TJvMessage);
begin
  with Mesg do
  begin
    Handled := inherited HitTest(XPos, YPos);
    if Handled then
      Result := HTCLIENT;
  end;
end;

procedure TJvExSpeedButton.ColorChanged;
begin
  Perform(CM_COLORCHANGED, 0, 0);
  inherited ColorChanged;
end;

procedure TJvExSpeedButton.FontChanged;
begin
  Perform(CM_FONTCHANGED, 0, 0);
  inherited FontChanged;
end;

procedure TJvExSpeedButton.FocusChanged;
begin
  { notification }
end;
 
{ QControl Common}

function TJvExSpeedButton.HitTest(X, Y: integer): Boolean;
begin
   Result := Perform(CM_HITTEST, 0, 0) <> HTNOWHERE;
end;

procedure TJvExSpeedButton.CMHintShow(var Mesg: TJvMessage);
begin
  with Mesg do
  begin
    Handled := inherited HintShow(HintInfo^);
  end;
end;

procedure TJvExSpeedButton.CMSysFontChanged(var Mesg: TMessage);
begin
  if FDesktopFont then
  begin
    Font.Assign(Application.Font);
    FDesktopFont := True;
  end;
end;

procedure TJvExSpeedButton.EnabledChanged;
begin
  Perform(CM_ENABLEDCHANGED, 0, 0);
  inherited EnabledChanged;
end;

procedure TJvExSpeedButton.TextChanged;
begin
  Perform(CM_TEXTCHANGED, 0, 0);
  inherited TextChanged;
end;

procedure TJvExSpeedButton.VisibleChanged;
begin
  Perform(CM_VISIBLECHANGED, 0, 0);
  inherited VisibleChanged;
end;

function TJvExSpeedButton.HintShow(var HintInfo : THintInfo): Boolean;
begin
  Result := Perform(CM_HINTSHOW, 0, Integer(@HintInfo)) <> 0;
end;

procedure TJvExSpeedButton.MouseEnter(AControl: TControl);
begin
  Perform(CM_MOUSEENTER, 0, 0);
  inherited MouseEnter(AControl);
end;

procedure TJvExSpeedButton.MouseLeave(AControl: TControl);
begin
  Perform(CM_MOUSELEAVE, 0, 0);
  inherited MouseLeave(AControl);
end;

procedure TJvExSpeedButton.ParentColorChanged;
begin
  inherited ParentColorChanged;
  if Assigned(FOnParentColorChanged) then
    FOnParentColorChanged(Self);
end;

procedure TJvExSpeedButton.SetDesktopFont(Value: Boolean);
begin
  if FDesktopFont <> Value then
  begin
    FDesktopFont := Value;
    Perform(CM_SYSFONTCHANGED, 0, 0);
  end;
end;

procedure TJvExSpeedButton.Dispatch(var Mesg);
begin
  if Assigned(FWindowProc) then
    FWindowProc(TMessage(Mesg))
  else
    inherited Dispatch(Mesg);
end;

function TJvExSpeedButton.Perform(Msg: Cardinal; WParam, LParam: Longint): Longint;
var
  Mesg: TMessage;
begin
  Mesg.Msg := Msg;
  Mesg.WParam := WParam;
  Mesg.LParam := LParam;
  Mesg.Result := 0;
  Dispatch(Mesg);
  Result := Mesg.Result;
end;

function TJvExSpeedButton.IsRightToLeft: Boolean;
begin
  Result := False;
end;
  

{$IFDEF UNITVERSIONING}
const
  UnitVersioning: TUnitVersionInfo = (
    RCSfile: '$RCSfile: JvQExButtons.pas,v $';
    Revision: '$Revision: 1.32 $';
    Date: '$Date: 2005/02/06 14:06:05 $';
    LogPath: 'JVCL\run'
  );

initialization
  RegisterUnitVersion(HInstance, UnitVersioning);

finalization
  UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}

end.