mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-08-14 03:59:20 +02:00
MG: gtk mlouse events can now be fetched before or after
git-svn-id: trunk@2021 -
This commit is contained in:
lazarus
parent
6655ed568d
commit
4bb43f437e
@ -512,13 +512,10 @@ begin
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end;
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{-------------------------------------------------------------------------------
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GTKMotionNotify
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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Called whenever the mouse is moved over a widget.
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The gtk event is translated into a lcl MouseMove message.
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procedure DeliverMouseMoveMessage(Widget:PGTKWidget; Event: PGDKEventMotion;
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AWinControl: TWinControl);
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Translate a gdk mouse motion event into a LCL mouse move message and send it.
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Mouse coordinate mapping:
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@ -537,39 +534,16 @@ end;
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If the mouse is on the top-left pixel of the container widget then the
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coordinates can be negative, if there is frame around the client area.
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-------------------------------------------------------------------------------}
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function gtkMotionNotify(Widget:PGTKWidget; Event: PGDKEventMotion;
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Data: gPointer): GBoolean; cdecl;
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procedure DeliverMouseMoveMessage(Widget:PGTKWidget; Event: PGDKEventMotion;
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AWinControl: TWinControl);
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var
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Msg: TLMMouseMove;
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ShiftState: TShiftState;
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MappedXY: TPoint;
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DesignOnlySignal: boolean;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion);
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writeln('[GTKMotionNotify] ',
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TControl(Data).Name,':',TControl(Data).ClassName,
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' Widget=',HexStr(Cardinal(Widget),8),
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' DSO=',DesignOnlySignal,
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' Event^.X=',trunc(Event^.X),' Event^.Y=',trunc(Event^.Y)
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);
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{$ENDIF}
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion);
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if DesignOnlySignal then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'motion-notify-event');
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end;
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MappedXY:=TranslateGdkPointToClientArea(Event^.Window,
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Point(trunc(Event^.X),trunc(Event^.Y)),
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PGtkWidget(TWinControl(Data).Handle));
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PGtkWidget(AWinControl.Handle));
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ShiftState := GTKEventState2ShiftState(Event^.State);
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with Msg do
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@ -592,8 +566,59 @@ begin
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// send the message directly to the LCL
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// (Posting the message via queue
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// has the risk of getting out of sync with the gtk)
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DeliverMessage(Data, Msg);
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//DeliverPostMessage(Data,Msg);
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DeliverMessage(AWinControl, Msg);
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end;
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{-------------------------------------------------------------------------------
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function ControlGetsMouseMoveBefore(AControl: TControl): boolean;
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Returns true, if mouse move event should be sent before the widget istelf
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reacts.
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-------------------------------------------------------------------------------}
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function ControlGetsMouseMoveBefore(AControl: TControl): boolean;
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begin
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// currently there are no controls, that need after events.
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Result:=true;
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end;
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{-------------------------------------------------------------------------------
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GTKMotionNotify
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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Called whenever the mouse is moved over a widget.
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The gtk event is translated into a lcl MouseMove message.
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-------------------------------------------------------------------------------}
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function gtkMotionNotify(Widget:PGTKWidget; Event: PGDKEventMotion;
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Data: gPointer): GBoolean; cdecl;
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var
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DesignOnlySignal: boolean;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion);
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writeln('[GTKMotionNotify] ',
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TControl(Data).Name,':',TControl(Data).ClassName,
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' Widget=',HexStr(Cardinal(Widget),8),
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' DSO=',DesignOnlySignal,
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' Event^.X=',trunc(Event^.X),' Event^.Y=',trunc(Event^.Y)
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);
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{$ENDIF}
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseMotion);
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if DesignOnlySignal then exit;
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if not ControlGetsMouseMoveBefore(TControl(Data)) then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'motion-notify-event');
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end;
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DeliverMouseMoveMessage(Widget,Event,TWinControl(Data));
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end;
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{-------------------------------------------------------------------------------
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@ -616,17 +641,37 @@ begin
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'motion-notify-event');
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CheckMouseCaptureHandle(Widget);
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if (csDesigning in TComponent(Data).ComponentState) then exit;
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if ControlGetsMouseMoveBefore(TControl(Data)) then exit;
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DeliverMouseMoveMessage(Widget,Event,TWinControl(Data));
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end;
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{-------------------------------------------------------------------------------
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gtkMouseBtnPress
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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function ControlGetsMouseDownBefore(AControl: TControl): boolean;
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Called whenever the mouse is over a widget and a mouse button is pressed.
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Returns true, if mouse down event should be sent before the widget istelf
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reacts.
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-------------------------------------------------------------------------------}
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function gtkMouseBtnPress(widget: PGtkWidget; event : pgdkEventButton;
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data: gPointer) : GBoolean; cdecl;
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function ControlGetsMouseDownBefore(AControl: TControl): boolean;
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begin
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case AControl.fCompStyle of
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csCheckBox:
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Result:=false;
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else
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Result:=true;
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end;
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end;
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{-------------------------------------------------------------------------------
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procedure DeliverMouseDownMessage(widget: PGtkWidget; event : pgdkEventButton;
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AWinControl: TWinControl);
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Translate a gdk mouse press event into a LCL mouse down message and send it.
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-------------------------------------------------------------------------------}
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procedure DeliverMouseDownMessage(widget: PGtkWidget; event : pgdkEventButton;
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AWinControl: TWinControl);
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const
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WHEEL_DELTA : array[Boolean] of Integer = (-1, 1);
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var
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@ -635,7 +680,6 @@ var
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ShiftState: TShiftState;
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MappedXY: TPoint;
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EventXY: TPoint;
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DesignOnlySignal: boolean;
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{ $DEFINE VerboseMouseBugfix}
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@ -734,7 +778,7 @@ var
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LastMouse.Window := Event^.Window;
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LastMouse.WindowPoint := EventXY;
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LastMouse.Down := True;
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LastMouse.Component:=TComponent(Data);
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LastMouse.Component:=AWinControl;
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case LastMouse.ClickCount of
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1: MessI.Msg := MsgNormal;
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@ -749,47 +793,10 @@ var
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end;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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writeln('');
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress);
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writeln('[gtkMouseBtnPress] ',
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TComponent(Data).Name,':',TObject(Data).ClassName,
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' Widget=',HexStr(Cardinal(Widget),8),
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' ControlWidget=',HexStr(Cardinal(TWinControl(Data).Handle),8),
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' DSO=',DesignOnlySignal,
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' ',Trunc(Event^.X),',',Trunc(Event^.Y),
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' Type=',Event^.theType);
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{$ENDIF}
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//writeln('DDD1 MousePress Widget=',HexStr(Cardinal(Widget),8),
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//' ClientWidget=',HexStr(Cardinal(GetFixedWidget(Widget)),8),
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//' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8),
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//' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8),
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//' Window=',HexStr(Cardinal(Widget^.Window),8)
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//);
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//if GetFixedWidget(Widget)<>nil then
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// writeln('DDD2 ClientWindow=',HexStr(Cardinal(PGtkWidget(GetFixedWidget(Widget))^.Window),8));
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EventTrace('Mouse button Press', data);
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Assert(False, Format('Trace:[gtkMouseBtnPress] ', []));
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress);
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if DesignOnlySignal then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
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if (TControl(Data).FCompStyle<>csNotebook)
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or (event^.Button<>1) then
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-press-event');
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end;
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EventXY:=Point(trunc(Event^.X),trunc(Event^.Y));
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ShiftState := GTKEventState2ShiftState(Event^.State);
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MappedXY:=TranslateGdkPointToClientArea(Event^.Window,EventXY,
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PGtkWidget(TWinControl(Data).Handle));
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PGtkWidget(AWinControl.Handle));
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if event^.Button in [4,5] then begin
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// this is a mouse wheel event
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@ -798,14 +805,13 @@ begin
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MessE.X := MappedXY.X;
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MessE.Y := MappedXY.Y;
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MessE.State := ShiftState;
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MessE.UserData := Data;
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MessE.UserData := AWinControl;
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MessE.Button := 0;
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// send the message directly to the LCL
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// (Posting the message via queue
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// has the risk of getting out of sync with the gtk)
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//DeliverPostMessage(Data, MessE);
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DeliverMessage(Data, MessE);
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DeliverMessage(AWinControl, MessE);
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end
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else begin
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// a normal mouse button is pressed
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@ -847,11 +853,63 @@ begin
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// send the message directly to the LCL
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// (Posting the message via queue
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// has the risk of getting out of sync with the gtk)
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//DeliverPostMessage(Data, MessI);
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DeliverMessage(Data, MessI);
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DeliverMessage(AWinControl, MessI);
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end;
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end;
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{-------------------------------------------------------------------------------
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gtkMouseBtnPress
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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Called whenever the mouse is over a widget and a mouse button is pressed.
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-------------------------------------------------------------------------------}
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function gtkMouseBtnPress(widget: PGtkWidget; event : pgdkEventButton;
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data: gPointer) : GBoolean; cdecl;
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var
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DesignOnlySignal: boolean;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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writeln('');
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress);
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writeln('[gtkMouseBtnPress] ',
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TComponent(Data).Name,':',TObject(Data).ClassName,
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' Widget=',HexStr(Cardinal(Widget),8),
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' ControlWidget=',HexStr(Cardinal(TWinControl(Data).Handle),8),
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' DSO=',DesignOnlySignal,
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' ',Trunc(Event^.X),',',Trunc(Event^.Y),
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' Type=',Event^.theType);
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{$ENDIF}
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//writeln('DDD1 MousePress Widget=',HexStr(Cardinal(Widget),8),
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//' ClientWidget=',HexStr(Cardinal(GetFixedWidget(Widget)),8),
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//' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8),
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//' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8),
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//' Window=',HexStr(Cardinal(Widget^.Window),8)
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//);
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//if GetFixedWidget(Widget)<>nil then
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// writeln('DDD2 ClientWindow=',HexStr(Cardinal(PGtkWidget(GetFixedWidget(Widget))^.Window),8));
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EventTrace('Mouse button Press', data);
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Assert(False, Format('Trace:[gtkMouseBtnPress] ', []));
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMousePress);
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if DesignOnlySignal then exit;
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if not ControlGetsMouseDownBefore(TControl(Data)) then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
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if (TControl(Data).FCompStyle<>csNotebook)
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or (event^.Button<>1) then
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-press-event');
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end;
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DeliverMouseDownMessage(Widget,Event,TWinControl(Data));
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end;
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{-------------------------------------------------------------------------------
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gtkMouseBtnPressAfter
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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@ -871,26 +929,45 @@ begin
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' ',Trunc(Event^.X),',',Trunc(Event^.Y));}
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{$ENDIF}
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CheckMouseCaptureHandle(Widget);
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// stop the signal, so that it is not sent to the parent widgets
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-press-event');
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CheckMouseCaptureHandle(Widget);
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if (csDesigning in TComponent(Data).ComponentState) then exit;
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if ControlGetsMouseDownBefore(TControl(Data)) then exit;
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DeliverMouseDownMessage(Widget,Event,TWinControl(Data));
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end;
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{-------------------------------------------------------------------------------
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gtkMouseBtnRelease
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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function ControlGetsMouseUpBefore(AControl: TControl): boolean;
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Called whenever the mouse is over a widget and a mouse button is released.
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Returns true, if mouse up event should be sent before the widget istelf
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reacts.
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-------------------------------------------------------------------------------}
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function gtkMouseBtnRelease(widget: PGtkWidget; event : pgdkEventButton;
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data: gPointer) : GBoolean; cdecl;
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function ControlGetsMouseUpBefore(AControl: TControl): boolean;
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begin
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case AControl.fCompStyle of
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csCheckBox:
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Result:=false;
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else
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Result:=true;
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end;
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end;
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{-------------------------------------------------------------------------------
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procedure DeliverMouseUpMessage(widget: PGtkWidget; event : pgdkEventButton;
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AWinControl: TWinControl);
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Translate a gdk mouse release event into a LCL mouse up message and send it.
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-------------------------------------------------------------------------------}
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procedure DeliverMouseUpMessage(widget: PGtkWidget; event : pgdkEventButton;
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AWinControl: TWinControl);
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var
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MessI : TLMMouse;
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ShiftState: TShiftState;
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MappedXY: TPoint;
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DesignOnlySignal: boolean;
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function CheckMouseButtonUp(var LastMouse: TLastMouseClick;
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MsgUp: longint): boolean;
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@ -901,37 +978,9 @@ var
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end;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease);
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writeln('[gtkMouseBtnRelease] A ',
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TComponent(Data).Name,':',TObject(Data).ClassName,' ',
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' Widget=',HexStr(Cardinal(Widget),8),
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' DSO=',DesignOnlySignal,
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' ',Trunc(Event^.X),',',Trunc(Event^.Y),' Btn=',event^.Button);
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{$ENDIF}
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//writeln('EEE1 MouseRelease Widget=',HexStr(Cardinal(Widget),8),
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//' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8),
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//' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8));
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease);
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if DesignOnlySignal then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
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if TControl(Data).FCompStyle<>csNotebook then
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gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-release-event');
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end;
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EventTrace('Mouse button release', data);
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Assert(False, Format('Trace:[gtkMouseBtnRelease] ', []));
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MappedXY:=TranslateGdkPointToClientArea(Event^.Window,
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Point(trunc(Event^.X),trunc(Event^.Y)),
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PGtkWidget(TWinControl(Data).Handle));
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PGtkWidget(AWinControl.Handle));
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case event^.Button of
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@ -966,12 +1015,53 @@ begin
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// send the message directly to the LCL
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// (Posting the message via queue
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// has the risk of getting out of sync with the gtk)
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//DeliverPostMessage(Data, MessI);
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MessI.Result := 0;
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DeliverMessage(Data, MessI);
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DeliverMessage(AWinControl, MessI);
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end;
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end;
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{-------------------------------------------------------------------------------
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gtkMouseBtnRelease
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Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
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Returns: GBoolean
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Called whenever the mouse is over a widget and a mouse button is released.
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-------------------------------------------------------------------------------}
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function gtkMouseBtnRelease(widget: PGtkWidget; event : pgdkEventButton;
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data: gPointer) : GBoolean; cdecl;
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var
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DesignOnlySignal: boolean;
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begin
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Result:=true;
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{$IFDEF VerboseMouseBugfix}
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease);
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writeln('[gtkMouseBtnRelease] A ',
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TComponent(Data).Name,':',TObject(Data).ClassName,' ',
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' Widget=',HexStr(Cardinal(Widget),8),
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' DSO=',DesignOnlySignal,
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' ',Trunc(Event^.X),',',Trunc(Event^.Y),' Btn=',event^.Button);
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{$ENDIF}
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//writeln('EEE1 MouseRelease Widget=',HexStr(Cardinal(Widget),8),
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//' EventMask=',HexStr(Cardinal(gdk_window_get_events(Widget^.Window)),8),
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//' GDK_BUTTON_RELEASE_MASK=',HexStr(Cardinal(GDK_BUTTON_RELEASE_MASK),8));
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CheckMouseCaptureHandle(Widget);
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if not (csDesigning in TComponent(Data).ComponentState) then begin
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DesignOnlySignal:=GetDesignOnlySignalFlag(Widget,dstMouseRelease);
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if DesignOnlySignal then exit;
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if not ControlGetsMouseUpBefore(TControl(Data)) then exit;
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end else begin
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// stop the signal, so that the widget does not auto react
|
||||
if TControl(Data).FCompStyle<>csNotebook then
|
||||
gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-release-event');
|
||||
end;
|
||||
|
||||
DeliverMouseUpMessage(Widget,Event,TWinControl(Data));
|
||||
end;
|
||||
|
||||
{-------------------------------------------------------------------------------
|
||||
gtkMouseBtnReleaseAfter
|
||||
Params: widget: PGTKWidget; event: PGDKEventMotion; data: gPointer
|
||||
@ -994,8 +1084,15 @@ begin
|
||||
gtk_signal_emit_stop_by_name(PGTKObject(Widget),'button-release-event');
|
||||
|
||||
CheckMouseCaptureHandle(Widget);
|
||||
|
||||
if (csDesigning in TComponent(Data).ComponentState) then exit;
|
||||
if ControlGetsMouseUpBefore(TControl(Data)) then exit;
|
||||
|
||||
DeliverMouseUpMessage(Widget,Event,TWinControl(Data));
|
||||
end;
|
||||
|
||||
|
||||
|
||||
function gtkclickedCB( widget: PGtkWidget; data: gPointer) : GBoolean; cdecl;
|
||||
var
|
||||
Mess : TLMessage;
|
||||
@ -2255,6 +2352,9 @@ end;
|
||||
{ =============================================================================
|
||||
|
||||
$Log$
|
||||
Revision 1.128 2002/09/16 08:54:03 lazarus
|
||||
MG: gtk mlouse events can now be fetched before or after
|
||||
|
||||
Revision 1.127 2002/09/10 06:49:19 lazarus
|
||||
MG: scrollingwincontrol from Andrew
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user