1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/toplevel.cpp
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
21 #define XIconifyWindow XICONIFYWINDOW
24 #include "wx/toplevel.h"
33 #include "wx/evtloop.h"
34 #include "wx/sysopt.h"
37 #ifdef GDK_WINDOWING_X11
39 #include <X11/Xatom.h> // XA_CARDINAL
40 #include "wx/unix/utilsx11.h"
43 #include "wx/gtk/private.h"
44 #include "wx/gtk/private/gtk2-compat.h"
45 #include "wx/gtk/private/win_gtk.h"
48 #include <hildon-widgets/hildon-program.h>
49 #include <hildon-widgets/hildon-window.h>
50 #endif // wxUSE_LIBHILDON
53 #include <hildon/hildon.h>
54 #endif // wxUSE_LIBHILDON2
56 // ----------------------------------------------------------------------------
58 // ----------------------------------------------------------------------------
60 // this is incremented while a modal dialog is shown
61 int wxOpenModalDialogsCount
= 0;
63 // the frame that is currently active (i.e. its child has focus). It is
64 // used to generate wxActivateEvents
65 static wxTopLevelWindowGTK
*g_activeFrame
= NULL
;
66 static wxTopLevelWindowGTK
*g_lastActiveFrame
= NULL
;
68 // if we detect that the app has got/lost the focus, we set this variable to
69 // either TRUE or FALSE and an activate event will be sent during the next
70 // OnIdle() call and it is reset to -1: this value means that we shouldn't
71 // send any activate events at all
72 static int g_sendActivateEvent
= -1;
74 #ifdef GDK_WINDOWING_X11
75 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
77 RFE_STATUS_UNKNOWN
, RFE_STATUS_WORKING
, RFE_STATUS_BROKEN
78 } gs_requestFrameExtentsStatus
;
80 static bool gs_decorCacheValid
;
83 //-----------------------------------------------------------------------------
84 // RequestUserAttention related functions
85 //-----------------------------------------------------------------------------
88 static void wxgtk_window_set_urgency_hint (GtkWindow
*win
,
91 #if GTK_CHECK_VERSION(2,7,0)
92 if (gtk_check_version(2,7,0) == NULL
)
93 gtk_window_set_urgency_hint(win
, setting
);
97 #ifdef GDK_WINDOWING_X11
98 GdkWindow
* window
= gtk_widget_get_window(GTK_WIDGET(win
));
99 wxCHECK_RET(window
, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
101 Display
* dpy
= GDK_WINDOW_XDISPLAY(window
);
102 Window xid
= GDK_WINDOW_XID(window
);
103 XWMHints
* wm_hints
= XGetWMHints(dpy
, xid
);
106 wm_hints
= XAllocWMHints();
109 wm_hints
->flags
|= XUrgencyHint
;
111 wm_hints
->flags
&= ~XUrgencyHint
;
113 XSetWMHints(dpy
, xid
, wm_hints
);
115 #endif // GDK_WINDOWING_X11
118 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
122 static gboolean
gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK
*win
)
124 gtk_window_set_urgency_hint(GTK_WINDOW(win
->m_widget
), false);
126 win
->m_urgency_hint
= -2;
131 //-----------------------------------------------------------------------------
133 //-----------------------------------------------------------------------------
136 static gboolean
gtk_frame_focus_in_callback( GtkWidget
*widget
,
137 GdkEvent
*WXUNUSED(event
),
138 wxTopLevelWindowGTK
*win
)
140 switch ( g_sendActivateEvent
)
143 // we've got focus from outside, synthetize wxActivateEvent
144 g_sendActivateEvent
= 1;
148 // another our window just lost focus, it was already ours before
149 // - don't send any wxActivateEvent
150 g_sendActivateEvent
= -1;
155 g_lastActiveFrame
= g_activeFrame
;
157 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
159 // MR: wxRequestUserAttention related block
160 switch( win
->m_urgency_hint
)
163 g_source_remove( win
->m_urgency_hint
);
164 // no break, fallthrough to remove hint too
166 gtk_window_set_urgency_hint(GTK_WINDOW(widget
), false);
167 win
->m_urgency_hint
= -2;
173 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame
);
174 wxActivateEvent
event(wxEVT_ACTIVATE
, true, g_activeFrame
->GetId());
175 event
.SetEventObject(g_activeFrame
);
176 g_activeFrame
->HandleWindowEvent(event
);
182 //-----------------------------------------------------------------------------
184 //-----------------------------------------------------------------------------
188 gboolean
gtk_frame_focus_out_callback(GtkWidget
* WXUNUSED(widget
),
189 GdkEventFocus
*WXUNUSED(gdk_event
),
190 wxTopLevelWindowGTK
* WXUNUSED(win
))
192 // if the focus goes out of our app altogether, OnIdle() will send
193 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
194 // g_sendActivateEvent to -1
195 g_sendActivateEvent
= 0;
197 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
199 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
203 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame
);
204 wxActivateEvent
event(wxEVT_ACTIVATE
, false, g_activeFrame
->GetId());
205 event
.SetEventObject(g_activeFrame
);
206 g_activeFrame
->HandleWindowEvent(event
);
208 g_activeFrame
= NULL
;
215 // ----------------------------------------------------------------------------
217 // ----------------------------------------------------------------------------
221 wxgtk_tlw_key_press_event(GtkWidget
*widget
, GdkEventKey
*event
)
223 GtkWindow
* const window
= GTK_WINDOW(widget
);
225 // By default GTK+ checks for the menu accelerators in this (top level)
226 // window first and then propagates the event to the currently focused
227 // child from where it bubbles up the window parent chain. In wxWidgets,
228 // however, we want the child window to have the event first but still
229 // handle it as an accelerator if it's not processed there, so we need to
230 // customize this by reversing the order of the steps done in the standard
231 // GTK+ gtk_window_key_press_event() handler.
233 if ( gtk_window_propagate_key_event(window
, event
) )
236 if ( gtk_window_activate_key(window
, event
) )
239 if (GTK_WIDGET_GET_CLASS(widget
)->key_press_event(widget
, event
))
246 //-----------------------------------------------------------------------------
247 // "size_allocate" from m_wxwindow
248 //-----------------------------------------------------------------------------
252 size_allocate(GtkWidget
*, GtkAllocation
* alloc
, wxTopLevelWindowGTK
* win
)
254 win
->m_useCachedClientSize
= true;
255 if (win
->m_clientWidth
!= alloc
->width
||
256 win
->m_clientHeight
!= alloc
->height
)
258 win
->m_clientWidth
= alloc
->width
;
259 win
->m_clientHeight
= alloc
->height
;
262 gtk_widget_get_allocation(win
->m_widget
, &a
);
263 wxSize
size(a
.width
, a
.height
);
264 size
.x
+= win
->m_decorSize
.left
+ win
->m_decorSize
.right
;
265 size
.y
+= win
->m_decorSize
.top
+ win
->m_decorSize
.bottom
;
266 win
->m_width
= size
.x
;
267 win
->m_height
= size
.y
;
269 if (!win
->IsIconized())
271 wxSizeEvent
event(size
, win
->GetId());
272 event
.SetEventObject(win
);
273 win
->HandleWindowEvent(event
);
275 // else the window is currently unmapped, don't generate size events
280 //-----------------------------------------------------------------------------
282 //-----------------------------------------------------------------------------
286 gtk_frame_delete_callback( GtkWidget
*WXUNUSED(widget
),
287 GdkEvent
*WXUNUSED(event
),
288 wxTopLevelWindowGTK
*win
)
290 if (win
->IsEnabled() &&
291 (wxOpenModalDialogsCount
== 0 || (win
->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG
) ||
299 //-----------------------------------------------------------------------------
301 //-----------------------------------------------------------------------------
305 gtk_frame_configure_callback( GtkWidget
*,
306 GdkEventConfigure
* gdk_event
,
307 wxTopLevelWindowGTK
*win
)
309 win
->GTKConfigureEvent(gdk_event
->x
, gdk_event
->y
);
314 void wxTopLevelWindowGTK::GTKConfigureEvent(int x
, int y
)
317 #ifdef GDK_WINDOWING_X11
318 if (gs_decorCacheValid
)
320 const DecorSize
& decorSize
= GetCachedDecorSize();
321 point
.x
= x
- decorSize
.left
;
322 point
.y
= y
- decorSize
.top
;
327 gtk_window_get_position(GTK_WINDOW(m_widget
), &point
.x
, &point
.y
);
330 if (m_x
!= point
.x
|| m_y
!= point
.y
)
334 wxMoveEvent
event(point
, GetId());
335 event
.SetEventObject(this);
336 HandleWindowEvent(event
);
340 //-----------------------------------------------------------------------------
341 // "realize" from m_widget
342 //-----------------------------------------------------------------------------
344 // we cannot the WM hints and icons before the widget has been realized,
345 // so we do this directly after realization
347 void wxTopLevelWindowGTK::GTKHandleRealized()
349 wxNonOwnedWindow::GTKHandleRealized();
351 gdk_window_set_decorations(gtk_widget_get_window(m_widget
),
352 (GdkWMDecoration
)m_gdkDecor
);
353 gdk_window_set_functions(gtk_widget_get_window(m_widget
),
354 (GdkWMFunction
)m_gdkFunc
);
356 const wxIconBundle
& icons
= GetIcons();
357 if (icons
.GetIconCount())
361 if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget
)))
363 // Grip window can end up obscured, probably due to deferred show.
364 // Reset grip to ensure it is visible.
365 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget
), false);
366 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget
), true);
371 //-----------------------------------------------------------------------------
372 // "map_event" from m_widget
373 //-----------------------------------------------------------------------------
377 gtk_frame_map_callback( GtkWidget
*,
378 GdkEvent
* WXUNUSED(event
),
379 wxTopLevelWindow
*win
)
381 const bool wasIconized
= win
->IsIconized();
384 // Because GetClientSize() returns (0,0) when IsIconized() is true,
385 // a size event must be generated, just in case GetClientSize() was
386 // called while iconized. This specifically happens when restoring a
387 // tlw that was "rolled up" with some WMs.
388 // Queue a resize rather than sending size event directly to allow
389 // children to be made visible first.
390 win
->m_useCachedClientSize
= false;
391 win
->m_clientWidth
= 0;
392 gtk_widget_queue_resize(win
->m_wxwindow
);
394 // it is possible for m_isShown to be false here, see bug #9909
395 if (win
->wxWindowBase::Show(true))
397 wxShowEvent
eventShow(win
->GetId(), true);
398 eventShow
.SetEventObject(win
);
399 win
->GetEventHandler()->ProcessEvent(eventShow
);
402 // restore focus-on-map setting in case ShowWithoutActivating() was called
403 gtk_window_set_focus_on_map(GTK_WINDOW(win
->m_widget
), true);
409 //-----------------------------------------------------------------------------
410 // "window-state-event" from m_widget
411 //-----------------------------------------------------------------------------
415 gtk_frame_window_state_callback( GtkWidget
* WXUNUSED(widget
),
416 GdkEventWindowState
*event
,
417 wxTopLevelWindow
*win
)
419 if (event
->changed_mask
& GDK_WINDOW_STATE_ICONIFIED
)
420 win
->SetIconizeState((event
->new_window_state
& GDK_WINDOW_STATE_ICONIFIED
) != 0);
422 // if maximized bit changed and it is now set
423 if (event
->changed_mask
& event
->new_window_state
& GDK_WINDOW_STATE_MAXIMIZED
)
425 wxMaximizeEvent
evt(win
->GetId());
426 evt
.SetEventObject(win
);
427 win
->HandleWindowEvent(evt
);
430 if (event
->changed_mask
& GDK_WINDOW_STATE_FULLSCREEN
)
431 win
->m_fsIsShowing
= (event
->new_window_state
& GDK_WINDOW_STATE_FULLSCREEN
) != 0;
437 //-----------------------------------------------------------------------------
439 bool wxGetFrameExtents(GdkWindow
* window
, int* left
, int* right
, int* top
, int* bottom
)
441 #ifdef GDK_WINDOWING_X11
442 static GdkAtom property
= gdk_atom_intern("_NET_FRAME_EXTENTS", false);
443 GdkDisplay
* display
= gdk_window_get_display(window
);
444 Atom xproperty
= gdk_x11_atom_to_xatom_for_display(display
, property
);
447 gulong nitems
, bytes_after
;
449 Status status
= XGetWindowProperty(
450 GDK_DISPLAY_XDISPLAY(display
),
451 GDK_WINDOW_XID(window
),
453 0, 4, false, XA_CARDINAL
,
454 &type
, &format
, &nitems
, &bytes_after
, &data
);
455 const bool success
= status
== Success
&& data
&& nitems
== 4;
458 long* p
= (long*)data
;
459 if (left
) *left
= int(p
[0]);
460 if (right
) *right
= int(p
[1]);
461 if (top
) *top
= int(p
[2]);
462 if (bottom
) *bottom
= int(p
[3]);
472 #ifdef GDK_WINDOWING_X11
473 //-----------------------------------------------------------------------------
474 // "property_notify_event" from m_widget
475 //-----------------------------------------------------------------------------
478 static gboolean
property_notify_event(
479 GtkWidget
*, GdkEventProperty
* event
, wxTopLevelWindowGTK
* win
)
481 // Watch for changes to _NET_FRAME_EXTENTS property
482 static GdkAtom property
= gdk_atom_intern("_NET_FRAME_EXTENTS", false);
483 if (event
->state
== GDK_PROPERTY_NEW_VALUE
&& event
->atom
== property
)
485 if (win
->m_netFrameExtentsTimerId
)
487 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
488 gs_requestFrameExtentsStatus
= RFE_STATUS_WORKING
;
489 g_source_remove(win
->m_netFrameExtentsTimerId
);
490 win
->m_netFrameExtentsTimerId
= 0;
493 wxTopLevelWindowGTK::DecorSize decorSize
= win
->m_decorSize
;
494 gs_decorCacheValid
= wxGetFrameExtents(event
->window
,
495 &decorSize
.left
, &decorSize
.right
, &decorSize
.top
, &decorSize
.bottom
);
497 win
->GTKUpdateDecorSize(decorSize
);
504 static gboolean
request_frame_extents_timeout(void* data
)
506 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
507 gs_requestFrameExtentsStatus
= RFE_STATUS_BROKEN
;
509 wxTopLevelWindowGTK
* win
= static_cast<wxTopLevelWindowGTK
*>(data
);
510 win
->m_netFrameExtentsTimerId
= 0;
511 wxTopLevelWindowGTK::DecorSize decorSize
= win
->m_decorSize
;
512 wxGetFrameExtents(gtk_widget_get_window(win
->m_widget
),
513 &decorSize
.left
, &decorSize
.right
, &decorSize
.top
, &decorSize
.bottom
);
514 win
->GTKUpdateDecorSize(decorSize
);
519 #endif // GDK_WINDOWING_X11
521 // ----------------------------------------------------------------------------
522 // wxTopLevelWindowGTK creation
523 // ----------------------------------------------------------------------------
525 void wxTopLevelWindowGTK::Init()
528 m_isIconized
= false;
529 m_fsIsShowing
= false;
530 m_themeEnabled
= true;
535 m_deferShowAllowed
= true;
536 m_updateDecorSize
= true;
537 m_netFrameExtentsTimerId
= 0;
538 m_incWidth
= m_incHeight
= 0;
539 memset(&m_decorSize
, 0, sizeof(m_decorSize
));
544 bool wxTopLevelWindowGTK::Create( wxWindow
*parent
,
546 const wxString
& title
,
548 const wxSize
& sizeOrig
,
550 const wxString
&name
)
552 wxSize
size(sizeOrig
);
553 if (!size
.IsFullySpecified())
554 size
.SetDefaults(GetDefaultSize());
556 wxTopLevelWindows
.Append( this );
558 if (!PreCreation( parent
, pos
, size
) ||
559 !CreateBase( parent
, id
, pos
, size
, style
, wxDefaultValidator
, name
))
561 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
567 // NB: m_widget may be !=NULL if it was created by derived class' Create,
568 // e.g. in wxTaskBarIconAreaGTK
569 if (m_widget
== NULL
)
571 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
572 // we must create HildonWindow and not a normal GtkWindow as the latter
573 // doesn't look correctly in Maemo environment and it must also be
574 // registered with the main program object
575 m_widget
= hildon_window_new();
576 hildon_program_add_window(wxTheApp
->GetHildonProgram(),
577 HILDON_WINDOW(m_widget
));
578 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
579 m_widget
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
580 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG
)
582 // Tell WM that this is a dialog window and make it center
583 // on parent by default (this is what GtkDialog ctor does):
584 gtk_window_set_type_hint(GTK_WINDOW(m_widget
),
585 GDK_WINDOW_TYPE_HINT_DIALOG
);
586 gtk_window_set_position(GTK_WINDOW(m_widget
),
587 GTK_WIN_POS_CENTER_ON_PARENT
);
591 if (style
& wxFRAME_TOOL_WINDOW
)
593 gtk_window_set_type_hint(GTK_WINDOW(m_widget
),
594 GDK_WINDOW_TYPE_HINT_UTILITY
);
596 // On some WMs, like KDE, a TOOL_WINDOW will still show
597 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
598 // For consistency between WMs and with Windows, we
599 // should set the NO_TASKBAR flag which will apply
600 // the set_skip_taskbar_hint if it is available,
601 // ensuring no taskbar entry will appear.
602 style
|= wxFRAME_NO_TASKBAR
;
605 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
607 g_object_ref(m_widget
);
610 wxWindow
*topParent
= wxGetTopLevelParent(m_parent
);
611 if (topParent
&& (((GTK_IS_WINDOW(topParent
->m_widget
)) &&
612 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG
)) ||
613 (style
& wxFRAME_FLOAT_ON_PARENT
)))
615 gtk_window_set_transient_for( GTK_WINDOW(m_widget
),
616 GTK_WINDOW(topParent
->m_widget
) );
619 if (style
& wxFRAME_NO_TASKBAR
)
621 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget
), TRUE
);
624 if (style
& wxSTAY_ON_TOP
)
626 gtk_window_set_keep_above(GTK_WINDOW(m_widget
), TRUE
);
628 if (style
& wxMAXIMIZE
)
629 gtk_window_maximize(GTK_WINDOW(m_widget
));
633 gtk_window_set_role( GTK_WINDOW(m_widget
), wxGTK_CONV( name
) );
636 gtk_window_set_title( GTK_WINDOW(m_widget
), wxGTK_CONV( title
) );
637 gtk_widget_set_can_focus(m_widget
, false);
639 g_signal_connect (m_widget
, "delete_event",
640 G_CALLBACK (gtk_frame_delete_callback
), this);
642 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
643 m_mainWidget
= gtk_box_new(GTK_ORIENTATION_VERTICAL
, 0);
644 gtk_widget_show( m_mainWidget
);
645 gtk_widget_set_can_focus(m_mainWidget
, false);
646 gtk_container_add( GTK_CONTAINER(m_widget
), m_mainWidget
);
648 // m_wxwindow is the client area
649 m_wxwindow
= wxPizza::New();
650 gtk_widget_show( m_wxwindow
);
651 gtk_box_pack_start(GTK_BOX(m_mainWidget
), m_wxwindow
, true, true, 0);
653 // we donm't allow the frame to get the focus as otherwise
654 // the frame will grab it at arbitrary focus changes
655 gtk_widget_set_can_focus(m_wxwindow
, false);
657 if (m_parent
) m_parent
->AddChild( this );
659 g_signal_connect(m_wxwindow
, "size_allocate",
660 G_CALLBACK(size_allocate
), this);
665 if (pos
!= wxDefaultPosition
)
666 gtk_widget_set_uposition( m_widget
, m_x
, m_y
);
669 // for some reported size corrections
670 g_signal_connect (m_widget
, "map_event",
671 G_CALLBACK (gtk_frame_map_callback
), this);
673 // for iconized state
674 g_signal_connect (m_widget
, "window_state_event",
675 G_CALLBACK (gtk_frame_window_state_callback
), this);
679 g_signal_connect (m_widget
, "configure_event",
680 G_CALLBACK (gtk_frame_configure_callback
), this);
683 g_signal_connect_after (m_widget
, "focus_in_event",
684 G_CALLBACK (gtk_frame_focus_in_callback
), this);
685 g_signal_connect_after (m_widget
, "focus_out_event",
686 G_CALLBACK (gtk_frame_focus_out_callback
), this);
688 // We need to customize the default GTK+ logic for key processing to make
689 // it conforming to wxWidgets event processing order.
690 g_signal_connect (m_widget
, "key_press_event",
691 G_CALLBACK (wxgtk_tlw_key_press_event
), NULL
);
693 #ifdef GDK_WINDOWING_X11
695 if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget
))))
698 gtk_widget_add_events(m_widget
, GDK_PROPERTY_CHANGE_MASK
);
699 g_signal_connect(m_widget
, "property_notify_event",
700 G_CALLBACK(property_notify_event
), this);
702 #endif // GDK_WINDOWING_X11
704 // translate wx decorations styles into Motif WM hints (they are recognized
705 // by other WMs as well)
707 // always enable moving the window as we have no separate flag for enabling
709 m_gdkFunc
= GDK_FUNC_MOVE
;
711 if ( style
& wxCLOSE_BOX
)
712 m_gdkFunc
|= GDK_FUNC_CLOSE
;
714 if ( style
& wxMINIMIZE_BOX
)
715 m_gdkFunc
|= GDK_FUNC_MINIMIZE
;
717 if ( style
& wxMAXIMIZE_BOX
)
718 m_gdkFunc
|= GDK_FUNC_MAXIMIZE
;
720 if ( (style
& wxSIMPLE_BORDER
) || (style
& wxNO_BORDER
) )
726 m_gdkDecor
= GDK_DECOR_BORDER
;
728 if ( style
& wxCAPTION
)
729 m_gdkDecor
|= GDK_DECOR_TITLE
;
731 if ( style
& wxSYSTEM_MENU
)
732 m_gdkDecor
|= GDK_DECOR_MENU
;
734 if ( style
& wxMINIMIZE_BOX
)
735 m_gdkDecor
|= GDK_DECOR_MINIMIZE
;
737 if ( style
& wxMAXIMIZE_BOX
)
738 m_gdkDecor
|= GDK_DECOR_MAXIMIZE
;
740 if ( style
& wxRESIZE_BORDER
)
742 m_gdkFunc
|= GDK_FUNC_RESIZE
;
743 m_gdkDecor
|= GDK_DECOR_RESIZEH
;
747 if ((style
& wxRESIZE_BORDER
) == 0)
748 gtk_window_set_resizable(GTK_WINDOW(m_widget
), false);
751 gtk_window_set_policy(GTK_WINDOW(m_widget
), 1, 1, 1);
754 m_decorSize
= GetCachedDecorSize();
756 GTKDoGetSize(&w
, &h
);
757 gtk_window_set_default_size(GTK_WINDOW(m_widget
), w
, h
);
762 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
764 if ( m_netFrameExtentsTimerId
)
766 // Don't let the timer callback fire as the window pointer passed to it
767 // will become invalid very soon.
768 g_source_remove(m_netFrameExtentsTimerId
);
771 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
772 // it can also be a (standard) dialog
773 if ( HILDON_IS_WINDOW(m_widget
) )
775 hildon_program_remove_window(wxTheApp
->GetHildonProgram(),
776 HILDON_WINDOW(m_widget
));
778 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
782 wxFAIL_MSG(wxT("Window still grabbed"));
788 // it may also be GtkScrolledWindow in the case of an MDI child
789 if (GTK_IS_WINDOW(m_widget
))
791 gtk_window_set_focus( GTK_WINDOW(m_widget
), NULL
);
794 if (g_activeFrame
== this)
795 g_activeFrame
= NULL
;
796 if (g_lastActiveFrame
== this)
797 g_lastActiveFrame
= NULL
;
800 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable
)
803 m_gdkFunc
|= GDK_FUNC_CLOSE
;
805 m_gdkFunc
&= ~GDK_FUNC_CLOSE
;
807 GdkWindow
* window
= gtk_widget_get_window(m_widget
);
809 gdk_window_set_functions(window
, (GdkWMFunction
)m_gdkFunc
);
814 bool wxTopLevelWindowGTK::ShowFullScreen(bool show
, long)
816 if (show
== m_fsIsShowing
)
817 return false; // return what?
819 m_fsIsShowing
= show
;
821 #ifdef GDK_WINDOWING_X11
822 Display
* xdpy
= GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget
));
823 Window xroot
= GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget
));
824 wxX11FullScreenMethod method
= wxGetFullScreenMethodX11(xdpy
, (WXWindow
)xroot
);
826 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
827 // to switch to fullscreen, which is not always available. We must
828 // check if WM supports the spec and use legacy methods if it
830 if ( method
== wxX11_FS_WMSPEC
)
831 #endif // GDK_WINDOWING_X11
834 gtk_window_fullscreen( GTK_WINDOW( m_widget
) );
836 gtk_window_unfullscreen( GTK_WINDOW( m_widget
) );
838 #ifdef GDK_WINDOWING_X11
841 GdkWindow
* window
= gtk_widget_get_window(m_widget
);
842 Window xid
= GDK_WINDOW_XID(window
);
846 GetPosition( &m_fsSaveFrame
.x
, &m_fsSaveFrame
.y
);
847 GetSize( &m_fsSaveFrame
.width
, &m_fsSaveFrame
.height
);
849 GdkScreen
* screen
= gtk_widget_get_screen(m_widget
);
850 const int screen_width
= gdk_screen_get_width(screen
);
851 const int screen_height
= gdk_screen_get_height(screen
);
853 gint client_x
, client_y
, root_x
, root_y
;
856 m_fsSaveGdkFunc
= m_gdkFunc
;
857 m_fsSaveGdkDecor
= m_gdkDecor
;
858 m_gdkFunc
= m_gdkDecor
= 0;
859 gdk_window_set_decorations(window
, (GdkWMDecoration
)0);
860 gdk_window_set_functions(window
, (GdkWMFunction
)0);
862 gdk_window_get_origin(window
, &root_x
, &root_y
);
863 gdk_window_get_geometry(window
, &client_x
, &client_y
, &width
, &height
);
865 gdk_window_move_resize(
866 window
, -client_x
, -client_y
, screen_width
+ 1, screen_height
+ 1);
868 wxSetFullScreenStateX11(xdpy
,
871 show
, &m_fsSaveFrame
, method
);
875 m_gdkFunc
= m_fsSaveGdkFunc
;
876 m_gdkDecor
= m_fsSaveGdkDecor
;
877 gdk_window_set_decorations(window
, (GdkWMDecoration
)m_gdkDecor
);
878 gdk_window_set_functions(window
, (GdkWMFunction
)m_gdkFunc
);
880 wxSetFullScreenStateX11(xdpy
,
883 show
, &m_fsSaveFrame
, method
);
885 SetSize(m_fsSaveFrame
.x
, m_fsSaveFrame
.y
,
886 m_fsSaveFrame
.width
, m_fsSaveFrame
.height
);
889 #endif // GDK_WINDOWING_X11
891 // documented behaviour is to show the window if it's still hidden when
892 // showing it full screen
899 // ----------------------------------------------------------------------------
900 // overridden wxWindow methods
901 // ----------------------------------------------------------------------------
903 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground
), const wxRect
*WXUNUSED(rect
) )
905 wxCHECK_RET( m_widget
, wxT("invalid frame") );
907 gtk_widget_queue_draw( m_widget
);
909 GdkWindow
* window
= NULL
;
911 window
= gtk_widget_get_window(m_wxwindow
);
913 gdk_window_invalidate_rect(window
, NULL
, true);
916 bool wxTopLevelWindowGTK::Show( bool show
)
918 wxASSERT_MSG( (m_widget
!= NULL
), wxT("invalid frame") );
920 #ifdef GDK_WINDOWING_X11
921 bool deferShow
= show
&& !m_isShown
&& m_deferShow
;
924 deferShow
= m_deferShowAllowed
&&
925 gs_requestFrameExtentsStatus
!= RFE_STATUS_BROKEN
&&
926 !gtk_widget_get_realized(m_widget
) &&
927 g_signal_handler_find(m_widget
,
928 GSignalMatchType(G_SIGNAL_MATCH_ID
| G_SIGNAL_MATCH_DATA
),
929 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET
),
930 0, NULL
, NULL
, this);
933 GdkScreen
* screen
= gtk_widget_get_screen(m_widget
);
934 GdkAtom atom
= gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
935 deferShow
= gdk_x11_screen_supports_net_wm_hint(screen
, atom
) != 0;
937 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
938 // to m_decorSize, it breaks saving/restoring window size with
939 // GetSize()/SetSize() because it makes window bigger between each
941 m_updateDecorSize
= deferShow
;
944 m_deferShow
= deferShow
;
948 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
949 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
950 // notification is received, so correct frame extents are known.
951 // This allows resizing m_widget to keep the overall size in sync with
952 // what wxWidgets expects it to be without an obvious change in the
953 // window size immediately after it becomes visible.
955 // Realize m_widget, so m_widget->window can be used. Realizing normally
956 // causes the widget tree to be size_allocated, which generates size
957 // events in the wrong order. However, the size_allocates will not be
958 // done if the allocation is not the default (1,1).
960 gtk_widget_get_allocation(m_widget
, &alloc
);
961 const int alloc_width
= alloc
.width
;
962 if (alloc_width
== 1)
965 gtk_widget_set_allocation(m_widget
, &alloc
);
967 gtk_widget_realize(m_widget
);
968 if (alloc_width
== 1)
971 gtk_widget_set_allocation(m_widget
, &alloc
);
974 // send _NET_REQUEST_FRAME_EXTENTS
975 XClientMessageEvent xevent
;
976 memset(&xevent
, 0, sizeof(xevent
));
977 xevent
.type
= ClientMessage
;
978 GdkWindow
* window
= gtk_widget_get_window(m_widget
);
979 xevent
.window
= GDK_WINDOW_XID(window
);
980 xevent
.message_type
= gdk_x11_atom_to_xatom_for_display(
981 gdk_window_get_display(window
),
982 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
984 Display
* display
= GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window
));
985 XSendEvent(display
, DefaultRootWindow(display
), false,
986 SubstructureNotifyMask
| SubstructureRedirectMask
,
989 if (gs_requestFrameExtentsStatus
== RFE_STATUS_UNKNOWN
)
991 // if WM does not respond to request within 1 second,
992 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
993 m_netFrameExtentsTimerId
=
994 g_timeout_add(1000, request_frame_extents_timeout
, this);
997 // defer calling gtk_widget_show()
1001 #endif // GDK_WINDOWING_X11
1003 if (show
&& !gtk_widget_get_realized(m_widget
))
1005 // size_allocate signals occur in reverse order (bottom to top).
1006 // Things work better if the initial wxSizeEvents are sent (from the
1007 // top down), before the initial size_allocate signals occur.
1008 wxSizeEvent
event(GetSize(), GetId());
1009 event
.SetEventObject(this);
1010 HandleWindowEvent(event
);
1013 bool change
= base_type::Show(show
);
1015 if (change
&& !show
)
1017 // make sure window has a non-default position, so when it is shown
1018 // again, it won't be repositioned by WM as if it were a new window
1019 // Note that this must be done _after_ the window is hidden.
1020 gtk_window_move((GtkWindow
*)m_widget
, m_x
, m_y
);
1026 void wxTopLevelWindowGTK::ShowWithoutActivating()
1030 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget
), false);
1035 void wxTopLevelWindowGTK::Raise()
1037 gtk_window_present( GTK_WINDOW( m_widget
) );
1040 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x
), int WXUNUSED(y
), int WXUNUSED(width
), int WXUNUSED(height
) )
1042 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1045 // ----------------------------------------------------------------------------
1047 // ----------------------------------------------------------------------------
1049 void wxTopLevelWindowGTK::GTKDoGetSize(int *width
, int *height
) const
1051 wxSize
size(m_width
, m_height
);
1052 size
.x
-= m_decorSize
.left
+ m_decorSize
.right
;
1053 size
.y
-= m_decorSize
.top
+ m_decorSize
.bottom
;
1054 if (size
.x
< 0) size
.x
= 0;
1055 if (size
.y
< 0) size
.y
= 0;
1056 #if wxUSE_LIBHILDON2
1066 else if (size
.y
== 270)
1071 #else // wxUSE_LIBHILDON2
1072 if (width
) *width
= size
.x
;
1073 if (height
) *height
= size
.y
;
1074 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1077 void wxTopLevelWindowGTK::DoSetSize( int x
, int y
, int width
, int height
, int sizeFlags
)
1079 wxCHECK_RET( m_widget
, wxT("invalid frame") );
1081 // deal with the position first
1085 if ( !(sizeFlags
& wxSIZE_ALLOW_MINUS_ONE
) )
1087 // -1 means "use existing" unless the flag above is specified
1093 else // wxSIZE_ALLOW_MINUS_ONE
1099 if ( m_x
!= old_x
|| m_y
!= old_y
)
1101 gtk_window_move( GTK_WINDOW(m_widget
), m_x
, m_y
);
1102 wxMoveEvent
event(wxPoint(m_x
, m_y
), GetId());
1103 event
.SetEventObject(this);
1104 HandleWindowEvent(event
);
1107 const wxSize
oldSize(m_width
, m_height
);
1113 if (m_width
< 1) m_width
= 1;
1114 if (m_height
< 1) m_height
= 1;
1115 if (m_width
!= oldSize
.x
|| m_height
!= oldSize
.y
)
1117 m_deferShowAllowed
= true;
1118 m_useCachedClientSize
= false;
1121 GTKDoGetSize(&w
, &h
);
1122 gtk_window_resize(GTK_WINDOW(m_widget
), w
, h
);
1124 DoGetClientSize(&m_clientWidth
, &m_clientHeight
);
1125 wxSizeEvent
event(GetSize(), GetId());
1126 event
.SetEventObject(this);
1127 HandleWindowEvent(event
);
1131 void wxTopLevelWindowGTK::DoSetClientSize(int width
, int height
)
1133 base_type::DoSetClientSize(width
, height
);
1135 // Since client size is being explicitly set, don't change it later
1136 // Has to be done after calling base because it calls SetSize,
1137 // which sets this true
1138 m_deferShowAllowed
= false;
1141 void wxTopLevelWindowGTK::DoGetClientSize( int *width
, int *height
) const
1143 wxASSERT_MSG(m_widget
, wxT("invalid frame"));
1147 // for consistency with wxMSW, client area is supposed to be empty for
1148 // the iconized windows
1154 else if (m_useCachedClientSize
)
1155 base_type::DoGetClientSize(width
, height
);
1158 GTKDoGetSize(width
, height
);
1162 void wxTopLevelWindowGTK::DoSetSizeHints( int minW
, int minH
,
1164 int incW
, int incH
)
1166 base_type::DoSetSizeHints(minW
, minH
, maxW
, maxH
, incW
, incH
);
1170 const wxSize minSize
= GetMinSize();
1171 const wxSize maxSize
= GetMaxSize();
1173 // always set both min and max hints, otherwise GTK will
1174 // make assumptions we don't want about the unset values
1175 int hints_mask
= GDK_HINT_MIN_SIZE
| GDK_HINT_MAX_SIZE
;
1176 hints
.min_width
= 1;
1177 hints
.min_height
= 1;
1178 hints
.max_width
= INT_MAX
;
1179 hints
.max_height
= INT_MAX
;
1180 const int decorSize_x
= m_decorSize
.left
+ m_decorSize
.right
;
1181 const int decorSize_y
= m_decorSize
.top
+ m_decorSize
.bottom
;
1182 if (minSize
.x
> decorSize_x
)
1183 hints
.min_width
= minSize
.x
- decorSize_x
;
1184 if (minSize
.y
> decorSize_y
)
1185 hints
.min_height
= minSize
.y
- decorSize_y
;
1188 hints
.max_width
= maxSize
.x
- decorSize_x
;
1189 if (hints
.max_width
< hints
.min_width
)
1190 hints
.max_width
= hints
.min_width
;
1194 hints
.max_height
= maxSize
.y
- decorSize_y
;
1195 if (hints
.max_height
< hints
.min_height
)
1196 hints
.max_height
= hints
.min_height
;
1198 if (incW
> 0 || incH
> 0)
1200 hints_mask
|= GDK_HINT_RESIZE_INC
;
1201 hints
.width_inc
= incW
> 0 ? incW
: 1;
1202 hints
.height_inc
= incH
> 0 ? incH
: 1;
1204 gtk_window_set_geometry_hints(
1205 (GtkWindow
*)m_widget
, NULL
, &hints
, (GdkWindowHints
)hints_mask
);
1208 #ifdef GDK_WINDOWING_X11
1209 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const DecorSize
& decorSize
)
1211 if (!IsMaximized() && !IsFullScreen())
1212 GetCachedDecorSize() = decorSize
;
1213 if (m_updateDecorSize
&& memcmp(&m_decorSize
, &decorSize
, sizeof(DecorSize
)))
1215 m_useCachedClientSize
= false;
1217 decorSize
.left
- m_decorSize
.left
+ decorSize
.right
- m_decorSize
.right
,
1218 decorSize
.top
- m_decorSize
.top
+ decorSize
.bottom
- m_decorSize
.bottom
);
1219 m_decorSize
= decorSize
;
1220 bool resized
= false;
1221 if (m_minWidth
> 0 || m_minHeight
> 0 || m_maxWidth
> 0 || m_maxHeight
> 0)
1223 // update size hints, they depend on m_decorSize
1224 DoSetSizeHints(m_minWidth
, m_minHeight
, m_maxWidth
, m_maxHeight
, m_incWidth
, m_incHeight
);
1228 // keep overall size unchanged by shrinking m_widget
1230 GTKDoGetSize(&w
, &h
);
1231 // but not if size would be less than minimum, it won't take effect
1232 if (w
>= m_minWidth
- (decorSize
.left
+ decorSize
.right
) &&
1233 h
>= m_minHeight
- (decorSize
.top
+ decorSize
.bottom
))
1235 gtk_window_resize(GTK_WINDOW(m_widget
), w
, h
);
1241 // adjust overall size to match change in frame extents
1244 if (m_width
< 1) m_width
= 1;
1245 if (m_height
< 1) m_height
= 1;
1247 gtk_widget_queue_resize(m_wxwindow
);
1252 // gtk_widget_show() was deferred, do it now
1253 m_deferShow
= false;
1254 DoGetClientSize(&m_clientWidth
, &m_clientHeight
);
1255 wxSizeEvent
sizeEvent(GetSize(), GetId());
1256 sizeEvent
.SetEventObject(this);
1257 HandleWindowEvent(sizeEvent
);
1259 gtk_widget_show(m_widget
);
1261 wxShowEvent
showEvent(GetId(), true);
1262 showEvent
.SetEventObject(this);
1263 HandleWindowEvent(showEvent
);
1266 #endif // GDK_WINDOWING_X11
1268 wxTopLevelWindowGTK::DecorSize
& wxTopLevelWindowGTK::GetCachedDecorSize()
1270 static DecorSize size
[8];
1274 if (m_gdkDecor
& (GDK_DECOR_MENU
| GDK_DECOR_MINIMIZE
| GDK_DECOR_MAXIMIZE
| GDK_DECOR_TITLE
))
1277 if (m_gdkDecor
& GDK_DECOR_BORDER
)
1279 // utility window decor can be different
1280 if (m_windowStyle
& wxFRAME_TOOL_WINDOW
)
1285 void wxTopLevelWindowGTK::OnInternalIdle()
1287 wxTopLevelWindowBase::OnInternalIdle();
1289 // Synthetize activate events.
1290 if ( g_sendActivateEvent
!= -1 )
1292 bool activate
= g_sendActivateEvent
!= 0;
1294 // if (!activate) wxPrintf( wxT("de") );
1295 // wxPrintf( wxT("activate\n") );
1298 g_sendActivateEvent
= -1;
1300 wxTheApp
->SetActive(activate
, (wxWindow
*)g_lastActiveFrame
);
1304 // ----------------------------------------------------------------------------
1306 // ----------------------------------------------------------------------------
1308 void wxTopLevelWindowGTK::SetTitle( const wxString
&title
)
1310 wxASSERT_MSG( (m_widget
!= NULL
), wxT("invalid frame") );
1312 if ( title
== m_title
)
1317 gtk_window_set_title( GTK_WINDOW(m_widget
), wxGTK_CONV( title
) );
1320 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle
&icons
)
1322 wxASSERT_MSG( (m_widget
!= NULL
), wxT("invalid frame") );
1324 base_type::SetIcons(icons
);
1326 // Setting icons before window is realized can cause a GTK assertion if
1327 // another TLW is realized before this one, and it has this one as it's
1328 // transient parent. The life demo exibits this problem.
1329 if (gtk_widget_get_realized(m_widget
))
1332 for (size_t i
= icons
.GetIconCount(); i
--;)
1333 list
= g_list_prepend(list
, icons
.GetIconByIndex(i
).GetPixbuf());
1334 gtk_window_set_icon_list(GTK_WINDOW(m_widget
), list
);
1339 // ----------------------------------------------------------------------------
1340 // frame state: maximized/iconized/normal
1341 // ----------------------------------------------------------------------------
1343 void wxTopLevelWindowGTK::Maximize(bool maximize
)
1346 gtk_window_maximize( GTK_WINDOW( m_widget
) );
1348 gtk_window_unmaximize( GTK_WINDOW( m_widget
) );
1351 bool wxTopLevelWindowGTK::IsMaximized() const
1353 GdkWindow
* window
= NULL
;
1355 window
= gtk_widget_get_window(m_widget
);
1356 return window
&& (gdk_window_get_state(window
) & GDK_WINDOW_STATE_MAXIMIZED
);
1359 void wxTopLevelWindowGTK::Restore()
1361 // "Present" seems similar enough to "restore"
1362 gtk_window_present( GTK_WINDOW( m_widget
) );
1365 void wxTopLevelWindowGTK::Iconize( bool iconize
)
1368 gtk_window_iconify( GTK_WINDOW( m_widget
) );
1370 gtk_window_deiconify( GTK_WINDOW( m_widget
) );
1373 bool wxTopLevelWindowGTK::IsIconized() const
1375 return m_isIconized
;
1378 void wxTopLevelWindowGTK::SetIconizeState(bool iconize
)
1380 if ( iconize
!= m_isIconized
)
1382 m_isIconized
= iconize
;
1383 (void)SendIconizeEvent(iconize
);
1387 void wxTopLevelWindowGTK::AddGrab()
1392 gtk_grab_add( m_widget
);
1393 wxGUIEventLoop().Run();
1394 gtk_grab_remove( m_widget
);
1398 void wxTopLevelWindowGTK::RemoveGrab()
1407 bool wxTopLevelWindowGTK::IsActive()
1409 return (this == (wxTopLevelWindowGTK
*)g_activeFrame
);
1412 void wxTopLevelWindowGTK::RequestUserAttention(int flags
)
1414 bool new_hint_value
= false;
1416 // FIXME: This is a workaround to focus handling problem
1417 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1418 // hasn't yet been processed, and the internal focus system is not up to date yet.
1419 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1420 // won't have side effects) - MR
1421 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI
);
1423 if(m_urgency_hint
>= 0)
1424 g_source_remove(m_urgency_hint
);
1426 m_urgency_hint
= -2;
1428 if( gtk_widget_get_realized(m_widget
) && !IsActive() )
1430 new_hint_value
= true;
1432 if (flags
& wxUSER_ATTENTION_INFO
)
1434 m_urgency_hint
= g_timeout_add(5000, (GSourceFunc
)gtk_frame_urgency_timer_callback
, this);
1436 m_urgency_hint
= -1;
1440 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget
), new_hint_value
);
1443 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style
)
1445 // Store which styles were changed
1446 long styleChanges
= style
^ m_windowStyle
;
1448 // Process wxWindow styles. This also updates the internal variable
1449 // Therefore m_windowStyle bits carry now the _new_ style values
1450 wxWindow::SetWindowStyleFlag(style
);
1452 // just return for now if widget does not exist yet
1456 if ( styleChanges
& wxSTAY_ON_TOP
)
1458 gtk_window_set_keep_above(GTK_WINDOW(m_widget
),
1459 m_windowStyle
& wxSTAY_ON_TOP
);
1462 if ( styleChanges
& wxFRAME_NO_TASKBAR
)
1464 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget
),
1465 m_windowStyle
& wxFRAME_NO_TASKBAR
);
1469 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha
)
1471 GdkWindow
* window
= NULL
;
1473 window
= gtk_widget_get_window(m_widget
);
1477 #ifdef GDK_WINDOWING_X11
1478 Display
* dpy
= GDK_WINDOW_XDISPLAY(window
);
1479 Window win
= GDK_WINDOW_XID(window
);
1481 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1483 XDeleteProperty(dpy
, win
, XInternAtom(dpy
, "_NET_WM_WINDOW_OPACITY", False
));
1486 long opacity
= alpha
* 0x1010101L
;
1487 XChangeProperty(dpy
, win
, XInternAtom(dpy
, "_NET_WM_WINDOW_OPACITY", False
),
1488 XA_CARDINAL
, 32, PropModeReplace
,
1489 (unsigned char *) &opacity
, 1L);
1493 #else // !GDK_WINDOWING_X11
1495 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1498 bool wxTopLevelWindowGTK::CanSetTransparent()
1500 // allow to override automatic detection as it's far from perfect
1501 const wxString SYSOPT_TRANSPARENT
= "gtk.tlw.can-set-transparent";
1502 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT
) )
1504 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT
) != 0;
1508 return gtk_widget_is_composited(m_widget
) != 0;
1510 #if GTK_CHECK_VERSION(2,10,0)
1511 if (!gtk_check_version(2,10,0))
1513 return gtk_widget_is_composited(m_widget
) != 0;
1516 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1520 #endif // !__WXGTK3__
1522 #if 0 // Don't be optimistic here for the sake of wxAUI
1523 int opcode
, event
, error
;
1524 // Check for the existence of a RGBA visual instead?
1525 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1526 "Composite", &opcode
, &event
, &error
);