mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-04-16 23:49:28 +02:00
Fixes AV in gtk2 TTrayIcon.InternalUpdate and adds a better handle mechanism to it
git-svn-id: trunk@16261 -
This commit is contained in:
sekelsenmat
parent
a5edfe5a9b
commit
09225df31f
@ -1,442 +1,438 @@
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{%MainUnit gtk2wsextctrls.pp}
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{
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gtk2trayicon.inc
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*****************************************************************************
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* *
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* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
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* for details about the copyright. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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*****************************************************************************
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Authors: Felipe Monteiro de Carvalho and Andrew Haines
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Special thanks for: Danny Milosavljevic and the Lazarus Team
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Gtk2 specific code.
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}
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{ TGtk2WSCustomTrayIcon }
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const
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SYSTEM_TRAY_REQUEST_DOCK = 0;
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SYSTEM_TRAY_BEGIN_MESSAGE = 1;
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SYSTEM_TRAY_CANCEL_MESSAGE = 2;
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var
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{$ifdef HasX}
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fDisplay: PDisplay;
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fWindow: TWindow;
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fScreen: PScreen;
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fScreenID: longint;
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fTrayParent: TWindow;
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{$endif}
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GtkForm: PGtkWidget;
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Tips: PGtkTooltips;
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{$ifdef HasX}
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{*******************************************************************
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* TempX11ErrorHandler ()
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*
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* DESCRIPTION: Temp ErrorHandler
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*
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* PARAMETERS: ?
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*
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* RETURNS: ?
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*
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*******************************************************************}
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function TempX11ErrorHandler(Display:PDisplay; ErrorEv:PXErrorEvent):longint;cdecl;
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begin
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WriteLn('Error: ' + IntToStr(ErrorEv^.error_code));
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Result:=0;
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end;
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{*******************************************************************
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* Send_Message ()
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*
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* DESCRIPTION: Sends a message to the X client
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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function SendMessage(window: TWindow; msg: Integer; data1, data2, data3: Integer): boolean;
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var
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Ev: TXEvent;
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begin
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FillChar(Ev, SizeOf(TXEvent), $0);
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ev.xclient._type := ClientMessage;
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ev.xclient.window := window;
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ev.xclient.message_type := XInternAtom (fDisplay, '_NET_SYSTEM_TRAY_OPCODE', False );
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ev.xclient.format := 32;
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ev.xclient.data.l[0] := CurrentTime;
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ev.xclient.data.l[1] := msg;
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ev.xclient.data.l[2] := data1;
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ev.xclient.data.l[3] := data2;
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ev.xclient.data.l[4] := data3;
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XSendEvent(fDisplay, fTrayParent, False, NoEventMask, @ev);
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XSync(fDisplay, False);
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Result := false;//(untrap_errors() = 0);
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end;
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{*******************************************************************
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* SetEmbedded ()
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*
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* DESCRIPTION: Docks the GtkPlug into the system tray
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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procedure SetEmbedded;
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var
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old_error: TXErrorHandler;
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buf: array [0..32] of char;
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selection_atom : TAtom;
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begin
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old_error := XSetErrorHandler(@TempX11ErrorHandler);
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xsync(fdisplay,true);
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buf := PChar('_NET_SYSTEM_TRAY_S' + IntToStr(fScreenID));
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selection_atom := XInternAtom(fDisplay, buf, false);
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XGrabServer(fDisplay);
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fTrayParent := XGetSelectionOwner(fDisplay, selection_atom);
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if fTrayParent <> None then
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begin
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XSelectInput(fDisplay, fTrayParent, StructureNotifyMask);
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end;
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XUngrabServer(fDisplay);
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XFlush(fDisplay);
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if fTrayParent <> None then
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SendMessage(fTrayParent, SYSTEM_TRAY_REQUEST_DOCK, fWindow, 0, 0);
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XSetErrorHandler(old_error);
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end;
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{$endif}
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{*******************************************************************
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* realize_cb ()
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*
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* DESCRIPTION: Callback function for the realize signal
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* Sets the systray icon after the widget is realized
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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procedure realize_cb(widget: PGtkWidget; user_data: gpointer); cdecl;
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begin
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{$ifdef HasGdk2X}
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fDisplay := GDK_WINDOW_XDISPLAY(GtkForm^.window);
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fWindow := GDK_WINDOW_XWINDOW(GtkForm^.window);
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{ Doesn´t work
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gdk_screen := gtk_widget_get_screen(GtkForm);
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fScreen := GDK_SCREEN_XSCREEN(gdk_screen); // get the real screen}
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fScreen := XDefaultScreenOfDisplay(fDisplay);
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fScreenID := XScreenNumberOfScreen(fScreen); // and it's number
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SetEmbedded;
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{$endif}
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end;
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{*******************************************************************
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* button_release_cb ()
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*
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* DESCRIPTION: Callback function for Mouse Click
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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function button_release_cb(widget: PGtkWidget; event: PGdkEventButton;
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user_data: gpointer): gboolean; cdecl;
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var
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vwsTrayIcon: TCustomTrayIcon;
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begin
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vwsTrayIcon := TCustomTrayIcon(user_data);
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Result := False;
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case event^.button of
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1:
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begin
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if Assigned(vwsTrayIcon.OnClick) then vwsTrayIcon.OnClick(vwsTrayIcon);
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if Assigned(vwsTrayIcon.OnMouseUp) then
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vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbLeft, [], Round(event^.X), Round(event^.Y));
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end;
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2: if Assigned(vwsTrayIcon.OnMouseUp) then
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vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbMiddle, [], Round(event^.X), Round(event^.Y));
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3:
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begin
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if Assigned(vwsTrayIcon.OnMouseUp) then
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vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbRight, [], Round(event^.X), Round(event^.Y));
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if Assigned(vwsTrayIcon.PopUpMenu) then
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vwsTrayIcon.PopUpMenu.PopUp(Mouse.CursorPos.X, Mouse.CursorPos.Y);
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end;
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end;
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end;
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{*******************************************************************
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* button_press_cb ()
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*
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* DESCRIPTION: Callback function for Mouse Click
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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function button_press_cb(widget: PGtkWidget; event: PGdkEventButton;
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user_data: gpointer): gboolean; cdecl;
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var
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vwsTrayIcon: TCustomTrayIcon;
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begin
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vwsTrayIcon := TCustomTrayIcon(user_data);
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Result := False;
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if (event^._type = GDK_2BUTTON_PRESS) and Assigned(vwsTrayIcon.OnDblClick) then
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vwsTrayIcon.OnDblClick(vwsTrayIcon)
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else
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begin
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case event^.button of
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1: if Assigned(vwsTrayIcon.OnMouseDown) then
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vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbLeft, [], Round(event^.X), Round(event^.Y));
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2: if Assigned(vwsTrayIcon.OnMouseDown) then
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vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbMiddle, [], Round(event^.X), Round(event^.Y));
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3: if Assigned(vwsTrayIcon.OnMouseDown) then
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vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbRight, [], Round(event^.X), Round(event^.Y));
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end;
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end;
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end;
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{*******************************************************************
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* popup_cb ()
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*
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* DESCRIPTION: Callback function for the popup menu
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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function popup_cb(widget: PGtkWidget; user_data: gpointer): Boolean; cdecl;
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var
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vwsTrayIcon: TCustomTrayIcon;
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begin
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vwsTrayIcon := TCustomTrayIcon(user_data);
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Result := True;
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if Assigned(vwsTrayIcon.PopUpMenu) then
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vwsTrayIcon.PopUpMenu.PopUp(Mouse.CursorPos.X, Mouse.CursorPos.Y);
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end;
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{*******************************************************************
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* motion_cb ()
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*
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* DESCRIPTION: Callback function for the OnMouseMove event
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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function motion_cb(widget: PGtkWidget; event: PGdkEventMotion; user_data: gpointer): Boolean; cdecl;
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var
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vwsTrayIcon: TCustomTrayIcon;
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begin
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vwsTrayIcon := TCustomTrayIcon(user_data);
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Result := False;
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if Assigned(vwsTrayIcon.OnMouseMove) then
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vwsTrayIcon.OnMouseMove(vwsTrayIcon, [], Round(event^.X), Round(event^.Y));
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end;
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{*******************************************************************
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* TGtk2WSCustomTrayIcon.Hide ()
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*
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* DESCRIPTION: Hides the main tray icon of the program
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*
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* PARAMETERS: None
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*
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* RETURNS: True if sucessfull, otherwise False
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*
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*******************************************************************}
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class function TGtk2WSCustomTrayIcon.Hide(const ATrayIcon: TCustomTrayIcon): Boolean;
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begin
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Result := False;
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gtk_widget_destroy(GtkForm);
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GtkForm := nil;
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g_object_unref(Tips);
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Tips := nil;
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ATrayIcon.Handle := PtrInt(0);
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Result := True;
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end;
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{*******************************************************************
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* TGtk2WSCustomTrayIcon.Show ()
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*
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* DESCRIPTION: Shows the main tray icon of the program
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*
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* PARAMETERS: None
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*
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* RETURNS: True if sucessfull, otherwise False
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*
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*******************************************************************}
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class function TGtk2WSCustomTrayIcon.Show(const ATrayIcon: TCustomTrayIcon): Boolean;
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var
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AImage: PGtkWidget;
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begin
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Result := False;
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{*******************************************************************
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* Creates the GtkPlug
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*******************************************************************}
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GtkForm := gtk_plug_new(0);
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Tips := gtk_tooltips_new;
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g_object_ref(Tips);
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gtk_object_sink(GTK_OBJECT(Tips));
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gtk_tooltips_set_tip(GTK_TOOLTIPS(Tips), GtkForm, PChar(ATrayIcon.Hint), '');
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{*******************************************************************
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* Connects the signals
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*******************************************************************}
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gtk_widget_add_events(GtkForm, GDK_ALL_EVENTS_MASK);
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g_signal_connect(GtkForm, 'realize', TGCallback(@realize_cb), ATrayIcon);
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g_signal_connect(GtkForm, 'popup-menu', TGCallback(@popup_cb), ATrayIcon);
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g_signal_connect(GtkForm, 'motion-notify-event', TGCallback(@motion_cb), ATrayIcon);
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g_signal_connect(GtkForm, 'button-press-event', TGCallback(@button_press_cb), ATrayIcon);
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g_signal_connect(GtkForm, 'button-release-event', TGCallback(@button_release_cb), ATrayIcon);
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{*******************************************************************
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* Draws the icon
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*******************************************************************}
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AImage := gtk_image_new_from_pixbuf(PGdkPixbuf(ATrayIcon.Icon.Handle));
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gtk_widget_show(AImage);
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gtk_container_add(GTK_CONTAINER(GtkForm), AImage);
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{*******************************************************************
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* Now shows the GtkPlug
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*******************************************************************}
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gtk_widget_show(GtkForm);
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{*******************************************************************
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* We don't use the GtkPlug for anything, but we reuse the image
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* to update it in InternalUpdate, so we save the image
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* as the handle
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*******************************************************************}
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ATrayIcon.Handle := PtrInt(AImage);
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Result := True;
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end;
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{*******************************************************************
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* TGtk2WSCustomTrayIcon.InternalUpdate ()
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*
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* DESCRIPTION: Makes modifications to the Icon while running
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* i.e. without hiding it and showing again
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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class procedure TGtk2WSCustomTrayIcon.InternalUpdate(const ATrayIcon: TCustomTrayIcon);
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var
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AImage: PGtkWidget;
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AMask: PGdkBitmap;
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GDIObject: PgdiObject;
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begin
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// Updates the tooltips
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if Assigned(Tips) then gtk_tooltips_set_tip(GTK_TOOLTIPS(Tips), GtkForm, PChar(ATrayIcon.Hint), '');
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// Updates the icon
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AImage := PGtkWidget(ATrayIcon.Handle);
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if AImage <> nil then
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begin
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GDIObject := PgdiObject(ATrayIcon.Icon.Handle);
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AMask := CreateGdkMaskBitmap(
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GDIObject^.GDIPixmapObject.Mask,
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GDIObject^.GDIBitmapObject);
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gtk_image_set_from_pixmap(GTK_IMAGE(AImage),GDIObject^.GDIPixmapObject.Image, AMask);
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g_object_unref(AMask);
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end;
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end;
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{*******************************************************************
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* TGtk2WSCustomTrayIcon.GetPosition ()
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*
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* DESCRIPTION: Returns the position of the tray icon on the display.
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* This function is utilized to show message boxes near
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* the icon
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*
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* PARAMETERS: None
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*
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* RETURNS: Nothing
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*
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*******************************************************************}
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class function TGtk2WSCustomTrayIcon.GetPosition(const ATrayIcon: TCustomTrayIcon): TPoint;
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var
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WindowHandle: PGDKWindow;
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begin
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Result := Point(0, 0);
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if not Assigned(GtkForm) then Exit;
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WindowHandle := GtkForm^.window;
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if not Assigned(WindowHandle) then Exit;
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gdk_window_get_origin(WindowHandle, @Result.X, @Result.Y);
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end;
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{%MainUnit gtk2wsextctrls.pp}
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{
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gtk2trayicon.inc
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*****************************************************************************
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* *
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* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
|
||||
* for details about the copyright. *
|
||||
* *
|
||||
* This program is distributed in the hope that it will be useful, *
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
|
||||
* *
|
||||
*****************************************************************************
|
||||
|
||||
Authors: Felipe Monteiro de Carvalho and Andrew Haines
|
||||
|
||||
Special thanks for: Danny Milosavljevic and the Lazarus Team
|
||||
|
||||
Gtk2 specific code.
|
||||
}
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{ TGtk2WSCustomTrayIcon }
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type
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TGtk2WSTrayIconHandle = record
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AImage: PGtkWidget;
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end;
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PGtk2WSTrayIconHandle = ^TGtk2WSTrayIconHandle;
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const
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SYSTEM_TRAY_REQUEST_DOCK = 0;
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SYSTEM_TRAY_BEGIN_MESSAGE = 1;
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SYSTEM_TRAY_CANCEL_MESSAGE = 2;
|
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|
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var
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{$ifdef HasX}
|
||||
fDisplay: PDisplay;
|
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fWindow: TWindow;
|
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fScreen: PScreen;
|
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fScreenID: longint;
|
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fTrayParent: TWindow;
|
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{$endif}
|
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|
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GtkForm: PGtkWidget;
|
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Tips: PGtkTooltips;
|
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|
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{$ifdef HasX}
|
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{*******************************************************************
|
||||
* TempX11ErrorHandler ()
|
||||
*
|
||||
* DESCRIPTION: Temp ErrorHandler
|
||||
*
|
||||
* PARAMETERS: ?
|
||||
*
|
||||
* RETURNS: ?
|
||||
*
|
||||
*******************************************************************}
|
||||
function TempX11ErrorHandler(Display:PDisplay; ErrorEv:PXErrorEvent):longint;cdecl;
|
||||
begin
|
||||
WriteLn('Error: ' + IntToStr(ErrorEv^.error_code));
|
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Result:=0;
|
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end;
|
||||
|
||||
{*******************************************************************
|
||||
* Send_Message ()
|
||||
*
|
||||
* DESCRIPTION: Sends a message to the X client
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
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function SendMessage(window: TWindow; msg: Integer; data1, data2, data3: Integer): boolean;
|
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var
|
||||
Ev: TXEvent;
|
||||
begin
|
||||
FillChar(Ev, SizeOf(TXEvent), $0);
|
||||
|
||||
ev.xclient._type := ClientMessage;
|
||||
ev.xclient.window := window;
|
||||
ev.xclient.message_type := XInternAtom (fDisplay, '_NET_SYSTEM_TRAY_OPCODE', False );
|
||||
ev.xclient.format := 32;
|
||||
ev.xclient.data.l[0] := CurrentTime;
|
||||
ev.xclient.data.l[1] := msg;
|
||||
ev.xclient.data.l[2] := data1;
|
||||
ev.xclient.data.l[3] := data2;
|
||||
ev.xclient.data.l[4] := data3;
|
||||
|
||||
XSendEvent(fDisplay, fTrayParent, False, NoEventMask, @ev);
|
||||
XSync(fDisplay, False);
|
||||
Result := false;//(untrap_errors() = 0);
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* SetEmbedded ()
|
||||
*
|
||||
* DESCRIPTION: Docks the GtkPlug into the system tray
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
procedure SetEmbedded;
|
||||
var
|
||||
old_error: TXErrorHandler;
|
||||
buf: array [0..32] of char;
|
||||
selection_atom : TAtom;
|
||||
begin
|
||||
old_error := XSetErrorHandler(@TempX11ErrorHandler);
|
||||
|
||||
xsync(fdisplay,true);
|
||||
buf := PChar('_NET_SYSTEM_TRAY_S' + IntToStr(fScreenID));
|
||||
selection_atom := XInternAtom(fDisplay, buf, false);
|
||||
XGrabServer(fDisplay);
|
||||
|
||||
fTrayParent := XGetSelectionOwner(fDisplay, selection_atom);
|
||||
if fTrayParent <> None then
|
||||
begin
|
||||
XSelectInput(fDisplay, fTrayParent, StructureNotifyMask);
|
||||
end;
|
||||
|
||||
XUngrabServer(fDisplay);
|
||||
XFlush(fDisplay);
|
||||
|
||||
if fTrayParent <> None then
|
||||
SendMessage(fTrayParent, SYSTEM_TRAY_REQUEST_DOCK, fWindow, 0, 0);
|
||||
|
||||
XSetErrorHandler(old_error);
|
||||
end;
|
||||
{$endif}
|
||||
|
||||
{*******************************************************************
|
||||
* realize_cb ()
|
||||
*
|
||||
* DESCRIPTION: Callback function for the realize signal
|
||||
* Sets the systray icon after the widget is realized
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
procedure realize_cb(widget: PGtkWidget; user_data: gpointer); cdecl;
|
||||
begin
|
||||
{$ifdef HasGdk2X}
|
||||
|
||||
fDisplay := GDK_WINDOW_XDISPLAY(GtkForm^.window);
|
||||
fWindow := GDK_WINDOW_XWINDOW(GtkForm^.window);
|
||||
|
||||
{ Doesn´t work
|
||||
|
||||
gdk_screen := gtk_widget_get_screen(GtkForm);
|
||||
fScreen := GDK_SCREEN_XSCREEN(gdk_screen); // get the real screen}
|
||||
|
||||
fScreen := XDefaultScreenOfDisplay(fDisplay);
|
||||
fScreenID := XScreenNumberOfScreen(fScreen); // and it's number
|
||||
|
||||
SetEmbedded;
|
||||
{$endif}
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* button_release_cb ()
|
||||
*
|
||||
* DESCRIPTION: Callback function for Mouse Click
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
function button_release_cb(widget: PGtkWidget; event: PGdkEventButton;
|
||||
user_data: gpointer): gboolean; cdecl;
|
||||
var
|
||||
vwsTrayIcon: TCustomTrayIcon;
|
||||
begin
|
||||
vwsTrayIcon := TCustomTrayIcon(user_data);
|
||||
|
||||
Result := False;
|
||||
|
||||
case event^.button of
|
||||
1:
|
||||
begin
|
||||
if Assigned(vwsTrayIcon.OnClick) then vwsTrayIcon.OnClick(vwsTrayIcon);
|
||||
if Assigned(vwsTrayIcon.OnMouseUp) then
|
||||
vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbLeft, [], Round(event^.X), Round(event^.Y));
|
||||
end;
|
||||
|
||||
2: if Assigned(vwsTrayIcon.OnMouseUp) then
|
||||
vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbMiddle, [], Round(event^.X), Round(event^.Y));
|
||||
|
||||
3:
|
||||
begin
|
||||
if Assigned(vwsTrayIcon.OnMouseUp) then
|
||||
vwsTrayIcon.OnMouseUp(vwsTrayIcon, mbRight, [], Round(event^.X), Round(event^.Y));
|
||||
if Assigned(vwsTrayIcon.PopUpMenu) then
|
||||
vwsTrayIcon.PopUpMenu.PopUp(Mouse.CursorPos.X, Mouse.CursorPos.Y);
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* button_press_cb ()
|
||||
*
|
||||
* DESCRIPTION: Callback function for Mouse Click
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
function button_press_cb(widget: PGtkWidget; event: PGdkEventButton;
|
||||
user_data: gpointer): gboolean; cdecl;
|
||||
var
|
||||
vwsTrayIcon: TCustomTrayIcon;
|
||||
begin
|
||||
vwsTrayIcon := TCustomTrayIcon(user_data);
|
||||
|
||||
Result := False;
|
||||
|
||||
if (event^._type = GDK_2BUTTON_PRESS) and Assigned(vwsTrayIcon.OnDblClick) then
|
||||
vwsTrayIcon.OnDblClick(vwsTrayIcon)
|
||||
else
|
||||
begin
|
||||
case event^.button of
|
||||
1: if Assigned(vwsTrayIcon.OnMouseDown) then
|
||||
vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbLeft, [], Round(event^.X), Round(event^.Y));
|
||||
|
||||
2: if Assigned(vwsTrayIcon.OnMouseDown) then
|
||||
vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbMiddle, [], Round(event^.X), Round(event^.Y));
|
||||
|
||||
3: if Assigned(vwsTrayIcon.OnMouseDown) then
|
||||
vwsTrayIcon.OnMouseDown(vwsTrayIcon, mbRight, [], Round(event^.X), Round(event^.Y));
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* popup_cb ()
|
||||
*
|
||||
* DESCRIPTION: Callback function for the popup menu
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
function popup_cb(widget: PGtkWidget; user_data: gpointer): Boolean; cdecl;
|
||||
var
|
||||
vwsTrayIcon: TCustomTrayIcon;
|
||||
begin
|
||||
vwsTrayIcon := TCustomTrayIcon(user_data);
|
||||
|
||||
Result := True;
|
||||
|
||||
if Assigned(vwsTrayIcon.PopUpMenu) then
|
||||
vwsTrayIcon.PopUpMenu.PopUp(Mouse.CursorPos.X, Mouse.CursorPos.Y);
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* motion_cb ()
|
||||
*
|
||||
* DESCRIPTION: Callback function for the OnMouseMove event
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
function motion_cb(widget: PGtkWidget; event: PGdkEventMotion; user_data: gpointer): Boolean; cdecl;
|
||||
var
|
||||
vwsTrayIcon: TCustomTrayIcon;
|
||||
begin
|
||||
vwsTrayIcon := TCustomTrayIcon(user_data);
|
||||
|
||||
Result := False;
|
||||
|
||||
if Assigned(vwsTrayIcon.OnMouseMove) then
|
||||
vwsTrayIcon.OnMouseMove(vwsTrayIcon, [], Round(event^.X), Round(event^.Y));
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* TGtk2WSCustomTrayIcon.Hide ()
|
||||
*
|
||||
* DESCRIPTION: Hides the main tray icon of the program
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: True if sucessfull, otherwise False
|
||||
*
|
||||
*******************************************************************}
|
||||
class function TGtk2WSCustomTrayIcon.Hide(const ATrayIcon: TCustomTrayIcon): Boolean;
|
||||
var
|
||||
TrayHandle: PGtk2WSTrayIconHandle absolute ATrayIcon.Handle;
|
||||
begin
|
||||
Result := False;
|
||||
|
||||
gtk_widget_destroy(GtkForm);
|
||||
|
||||
GtkForm := nil;
|
||||
|
||||
g_object_unref(Tips);
|
||||
|
||||
Tips := nil;
|
||||
|
||||
{ Free and nil the handle }
|
||||
|
||||
FreeMem(TrayHandle);
|
||||
|
||||
TrayHandle := nil;
|
||||
|
||||
Result := True;
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* TGtk2WSCustomTrayIcon.Show ()
|
||||
*
|
||||
* DESCRIPTION: Shows the main tray icon of the program
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: True if sucessfull, otherwise False
|
||||
*
|
||||
*******************************************************************}
|
||||
class function TGtk2WSCustomTrayIcon.Show(const ATrayIcon: TCustomTrayIcon): Boolean;
|
||||
var
|
||||
TrayHandle: PGtk2WSTrayIconHandle absolute ATrayIcon.Handle;
|
||||
begin
|
||||
Result := False;
|
||||
|
||||
ATrayIcon.Handle := PtrInt(GetMem(SizeOf(TGtk2WSTrayIconHandle)));
|
||||
|
||||
{*******************************************************************
|
||||
* Creates the GtkPlug
|
||||
*******************************************************************}
|
||||
|
||||
GtkForm := gtk_plug_new(0);
|
||||
|
||||
Tips := gtk_tooltips_new;
|
||||
|
||||
g_object_ref(Tips);
|
||||
|
||||
gtk_object_sink(GTK_OBJECT(Tips));
|
||||
|
||||
gtk_tooltips_set_tip(GTK_TOOLTIPS(Tips), GtkForm, PChar(ATrayIcon.Hint), '');
|
||||
|
||||
{*******************************************************************
|
||||
* Connects the signals
|
||||
*******************************************************************}
|
||||
|
||||
gtk_widget_add_events(GtkForm, GDK_ALL_EVENTS_MASK);
|
||||
|
||||
g_signal_connect(GtkForm, 'realize', TGCallback(@realize_cb), ATrayIcon);
|
||||
|
||||
g_signal_connect(GtkForm, 'popup-menu', TGCallback(@popup_cb), ATrayIcon);
|
||||
|
||||
g_signal_connect(GtkForm, 'motion-notify-event', TGCallback(@motion_cb), ATrayIcon);
|
||||
|
||||
g_signal_connect(GtkForm, 'button-press-event', TGCallback(@button_press_cb), ATrayIcon);
|
||||
|
||||
g_signal_connect(GtkForm, 'button-release-event', TGCallback(@button_release_cb), ATrayIcon);
|
||||
|
||||
{*******************************************************************
|
||||
* Draws the icon
|
||||
*******************************************************************}
|
||||
|
||||
TrayHandle^.AImage := gtk_image_new_from_pixbuf(PGdkPixbuf(ATrayIcon.Icon.Handle));
|
||||
|
||||
gtk_widget_show(TrayHandle^.AImage);
|
||||
|
||||
gtk_container_add(GTK_CONTAINER(GtkForm), TrayHandle^.AImage);
|
||||
|
||||
{*******************************************************************
|
||||
* Now shows the GtkPlug
|
||||
*******************************************************************}
|
||||
|
||||
gtk_widget_show(GtkForm);
|
||||
|
||||
Result := True;
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* TGtk2WSCustomTrayIcon.InternalUpdate ()
|
||||
*
|
||||
* DESCRIPTION: Makes modifications to the Icon while running
|
||||
* i.e. without hiding it and showing again
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
class procedure TGtk2WSCustomTrayIcon.InternalUpdate(const ATrayIcon: TCustomTrayIcon);
|
||||
var
|
||||
TrayHandle: PGtk2WSTrayIconHandle absolute ATrayIcon.Handle;
|
||||
begin
|
||||
// Updates the tooltips
|
||||
if Assigned(Tips) then gtk_tooltips_set_tip(GTK_TOOLTIPS(Tips), GtkForm, PChar(ATrayIcon.Hint), '');
|
||||
|
||||
// Updates the icon
|
||||
|
||||
if (TrayHandle <> nil) and (TrayHandle^.AImage <> nil) then
|
||||
begin
|
||||
gtk_image_set_from_pixbuf(GTK_IMAGE(TrayHandle^.AImage), PGdkPixbuf(ATrayIcon.Icon.Handle));
|
||||
end;
|
||||
end;
|
||||
|
||||
{*******************************************************************
|
||||
* TGtk2WSCustomTrayIcon.GetPosition ()
|
||||
*
|
||||
* DESCRIPTION: Returns the position of the tray icon on the display.
|
||||
* This function is utilized to show message boxes near
|
||||
* the icon
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURNS: Nothing
|
||||
*
|
||||
*******************************************************************}
|
||||
class function TGtk2WSCustomTrayIcon.GetPosition(const ATrayIcon: TCustomTrayIcon): TPoint;
|
||||
var
|
||||
WindowHandle: PGDKWindow;
|
||||
begin
|
||||
Result := Point(0, 0);
|
||||
|
||||
if not Assigned(GtkForm) then Exit;
|
||||
|
||||
WindowHandle := GtkForm^.window;
|
||||
|
||||
if not Assigned(WindowHandle) then Exit;
|
||||
|
||||
gdk_window_get_origin(WindowHandle, @Result.X, @Result.Y);
|
||||
end;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user