src/gtk/taskbar.cpp

   1 /////////////////////////////////////////////////////////////////////////
   2 // File:        src/gtk/taskbar.cpp
   3 // Purpose:     wxTaskBarIcon (src/unix/taskbarx11.cpp) helper for GTK2
   4 // Author:      Vaclav Slavik
   5 // Modified by:
   6 // Created:     2004/05/29
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vaclav Slavik, 2004
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_TASKBARICON
  16
  17 #include "wx/gtk/taskbarpriv.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/log.h"
  21     #include "wx/frame.h"
  22     #include "wx/menu.h"
  23 #endif
  24
  25 #include <gtk/gtk.h>
  26 #include <gdk/gdkx.h>
  27
  28 #include "eggtrayicon.h"
  29
  30 wxTaskBarIconAreaBase::wxTaskBarIconAreaBase()
  31 {
  32     if (IsProtocolSupported())
  33     {
  34         m_widget = GTK_WIDGET(egg_tray_icon_new("systray icon"));
  35         g_object_ref(m_widget);
  36         gtk_window_set_resizable(GTK_WINDOW(m_widget), false);
  37
  38         wxLogTrace(_T("systray"), _T("using freedesktop.org systray spec"));
  39     }
  40
  41     wxTopLevelWindow::Create(
  42             NULL, wxID_ANY, _T("systray icon"),
  43             wxDefaultPosition, wxDefaultSize,
  44             wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR | wxSIMPLE_BORDER |
  45             wxFRAME_SHAPED,
  46             wxEmptyString /*eggtray doesn't like setting wmclass*/);
  47
  48     // WM frame extents are not useful for wxTaskBarIcon
  49     m_deferShow = false;
  50     gulong handler_id = g_signal_handler_find(
  51         m_widget,
  52         GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
  53         g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
  54         0, NULL, NULL, this);
  55     if (handler_id != 0)
  56         g_signal_handler_disconnect(m_widget, handler_id);
  57
  58     m_invokingWindow = NULL;
  59 }
  60
  61 bool wxTaskBarIconAreaBase::IsProtocolSupported()
  62 {
  63     static int s_supported = -1;
  64     if (s_supported == -1)
  65     {
  66         Display *display = GDK_DISPLAY();
  67         Screen *screen = DefaultScreenOfDisplay(display);
  68
  69         char name[32];
  70         g_snprintf(name, sizeof(name), "_NET_SYSTEM_TRAY_S%d",
  71             XScreenNumberOfScreen(screen));
  72         Atom atom = XInternAtom(display, name, False);
  73
  74         Window manager = XGetSelectionOwner(display, atom);
  75
  76         s_supported = (manager != None);
  77     }
  78
  79     return (bool)s_supported;
  80 }
  81
  82 //-----------------------------------------------------------------------------
  83 // Pop-up menu stuff
  84 //-----------------------------------------------------------------------------
  85
  86 #if wxUSE_MENUS_NATIVE
  87 void wxTaskBarIconAreaBase::DoPopupMenuUpdateUI(wxMenu* menu)
  88 {
  89     menu->UpdateUI(m_invokingWindow);
  90 }
  91 #endif // wxUSE_MENUS_NATIVE
  92 #endif // wxUSE_TASKBARICON