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[wxWidgets.git] / src / gtk / toplevel.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/toplevel.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 // ============================================================================
14 // declarations
15 // ============================================================================
16
17 // ----------------------------------------------------------------------------
18 // headers
19 // ----------------------------------------------------------------------------
20
21 #ifdef __VMS
22 #define XIconifyWindow XICONIFYWINDOW
23 #endif
24
25 #include "wx/toplevel.h"
26
27 #ifndef WX_PRECOMP
28 #include "wx/frame.h"
29 #include "wx/icon.h"
30 #include "wx/log.h"
31 #include "wx/app.h"
32 #endif
33
34 #include "wx/gtk/private.h"
35 #include "wx/evtloop.h"
36 #include "wx/sysopt.h"
37
38 #include <gtk/gtk.h>
39 #ifdef GDK_WINDOWING_X11
40 #include <gdk/gdkx.h>
41 #endif
42
43 #include "wx/gtk/private/win_gtk.h"
44
45 #ifdef GDK_WINDOWING_X11
46
47 #include "wx/unix/utilsx11.h"
48
49 // XA_CARDINAL
50 #include <X11/Xatom.h>
51
52 #endif // GDK_WINDOWING_X11
53
54 #if wxUSE_LIBHILDON
55 #include <hildon-widgets/hildon-program.h>
56 #include <hildon-widgets/hildon-window.h>
57 #endif // wxUSE_LIBHILDON
58
59 #if wxUSE_LIBHILDON2
60 #include <hildon/hildon.h>
61 #endif // wxUSE_LIBHILDON2
62
63 // ----------------------------------------------------------------------------
64 // data
65 // ----------------------------------------------------------------------------
66
67 // this is incremented while a modal dialog is shown
68 int wxOpenModalDialogsCount = 0;
69
70 // the frame that is currently active (i.e. its child has focus). It is
71 // used to generate wxActivateEvents
72 static wxTopLevelWindowGTK *g_activeFrame = NULL;
73 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
74
75 // if we detect that the app has got/lost the focus, we set this variable to
76 // either TRUE or FALSE and an activate event will be sent during the next
77 // OnIdle() call and it is reset to -1: this value means that we shouldn't
78 // send any activate events at all
79 static int g_sendActivateEvent = -1;
80
81 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
82 // 0 == not tested yet, 1 == working, 2 == broken
83 static int gs_requestFrameExtentsStatus;
84
85 //-----------------------------------------------------------------------------
86 // RequestUserAttention related functions
87 //-----------------------------------------------------------------------------
88
89 #ifndef __WXGTK30__
90 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
91 gboolean setting)
92 {
93 #if GTK_CHECK_VERSION(2,7,0)
94 if (gtk_check_version(2,7,0) == NULL)
95 gtk_window_set_urgency_hint(win, setting);
96 else
97 #endif
98 {
99 #ifdef GDK_WINDOWING_X11
100 GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
101 wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
102
103 Display* dpy = GDK_WINDOW_XDISPLAY(window);
104 Window xid = GDK_WINDOW_XID(window);
105 XWMHints* wm_hints = XGetWMHints(dpy, xid);
106
107 if (!wm_hints)
108 wm_hints = XAllocWMHints();
109
110 if (setting)
111 wm_hints->flags |= XUrgencyHint;
112 else
113 wm_hints->flags &= ~XUrgencyHint;
114
115 XSetWMHints(dpy, xid, wm_hints);
116 XFree(wm_hints);
117 #endif // GDK_WINDOWING_X11
118 }
119 }
120 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
121 #endif
122
123 extern "C" {
124 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
125 {
126 gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
127
128 win->m_urgency_hint = -2;
129 return FALSE;
130 }
131 }
132
133 //-----------------------------------------------------------------------------
134 // "focus_in_event"
135 //-----------------------------------------------------------------------------
136
137 extern "C" {
138 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
139 GdkEvent *WXUNUSED(event),
140 wxTopLevelWindowGTK *win )
141 {
142 switch ( g_sendActivateEvent )
143 {
144 case -1:
145 // we've got focus from outside, synthetize wxActivateEvent
146 g_sendActivateEvent = 1;
147 break;
148
149 case 0:
150 // another our window just lost focus, it was already ours before
151 // - don't send any wxActivateEvent
152 g_sendActivateEvent = -1;
153 break;
154 }
155
156 g_activeFrame = win;
157 g_lastActiveFrame = g_activeFrame;
158
159 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
160
161 // MR: wxRequestUserAttention related block
162 switch( win->m_urgency_hint )
163 {
164 default:
165 g_source_remove( win->m_urgency_hint );
166 // no break, fallthrough to remove hint too
167 case -1:
168 gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
169 win->m_urgency_hint = -2;
170 break;
171
172 case -2: break;
173 }
174
175 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
176 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
177 event.SetEventObject(g_activeFrame);
178 g_activeFrame->HandleWindowEvent(event);
179
180 return FALSE;
181 }
182 }
183
184 //-----------------------------------------------------------------------------
185 // "focus_out_event"
186 //-----------------------------------------------------------------------------
187
188 extern "C" {
189 static
190 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
191 GdkEventFocus *WXUNUSED(gdk_event),
192 wxTopLevelWindowGTK * WXUNUSED(win))
193 {
194 // if the focus goes out of our app altogether, OnIdle() will send
195 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
196 // g_sendActivateEvent to -1
197 g_sendActivateEvent = 0;
198
199 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
200
201 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
202
203 if (g_activeFrame)
204 {
205 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
206 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
207 event.SetEventObject(g_activeFrame);
208 g_activeFrame->HandleWindowEvent(event);
209
210 g_activeFrame = NULL;
211 }
212
213 return FALSE;
214 }
215 }
216
217 //-----------------------------------------------------------------------------
218 // "size_allocate" from m_wxwindow
219 //-----------------------------------------------------------------------------
220
221 extern "C" {
222 static void
223 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
224 {
225 if (win->m_oldClientWidth != alloc->width ||
226 win->m_oldClientHeight != alloc->height)
227 {
228 win->m_oldClientWidth = alloc->width;
229 win->m_oldClientHeight = alloc->height;
230
231 GtkAllocation a;
232 gtk_widget_get_allocation(win->m_widget, &a);
233 wxSize size(a.width, a.height);
234 size += win->m_decorSize;
235 win->m_width = size.x;
236 win->m_height = size.y;
237
238 if (!win->IsIconized())
239 {
240 wxSizeEvent event(size, win->GetId());
241 event.SetEventObject(win);
242 win->HandleWindowEvent(event);
243 }
244 // else the window is currently unmapped, don't generate size events
245 }
246 }
247 }
248
249 //-----------------------------------------------------------------------------
250 // "delete_event"
251 //-----------------------------------------------------------------------------
252
253 extern "C" {
254 static gboolean
255 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
256 GdkEvent *WXUNUSED(event),
257 wxTopLevelWindowGTK *win )
258 {
259 if (win->IsEnabled() &&
260 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
261 win->IsGrabbed()))
262 win->Close();
263
264 return TRUE;
265 }
266 }
267
268 //-----------------------------------------------------------------------------
269 // "configure_event"
270 //-----------------------------------------------------------------------------
271
272 extern "C" {
273 static gboolean
274 gtk_frame_configure_callback( GtkWidget* widget,
275 GdkEventConfigure *WXUNUSED(event),
276 wxTopLevelWindowGTK *win )
277 {
278 if (!win->m_hasVMT || !win->IsShown())
279 return FALSE;
280
281 wxPoint point;
282 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
283
284 win->m_x = point.x;
285 win->m_y = point.y;
286 wxMoveEvent mevent(point, win->GetId());
287 mevent.SetEventObject( win );
288 win->HandleWindowEvent( mevent );
289
290 return FALSE;
291 }
292 }
293
294 //-----------------------------------------------------------------------------
295 // "realize" from m_widget
296 //-----------------------------------------------------------------------------
297
298 // we cannot the WM hints and icons before the widget has been realized,
299 // so we do this directly after realization
300
301 void wxTopLevelWindowGTK::GTKHandleRealized()
302 {
303 wxNonOwnedWindow::GTKHandleRealized();
304
305 gdk_window_set_decorations(gtk_widget_get_window(m_widget),
306 (GdkWMDecoration)m_gdkDecor);
307 gdk_window_set_functions(gtk_widget_get_window(m_widget),
308 (GdkWMFunction)m_gdkFunc);
309
310 // GTK's shrinking/growing policy
311 if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
312 gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
313 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
314 else
315 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
316 #endif
317
318 const wxIconBundle& icons = GetIcons();
319 if (icons.GetIconCount())
320 SetIcons(icons);
321 }
322
323 //-----------------------------------------------------------------------------
324 // "map_event" from m_widget
325 //-----------------------------------------------------------------------------
326
327 extern "C" {
328 static gboolean
329 gtk_frame_map_callback( GtkWidget*,
330 GdkEvent * WXUNUSED(event),
331 wxTopLevelWindow *win )
332 {
333 const bool wasIconized = win->IsIconized();
334 if (wasIconized)
335 {
336 // Because GetClientSize() returns (0,0) when IsIconized() is true,
337 // a size event must be generated, just in case GetClientSize() was
338 // called while iconized. This specifically happens when restoring a
339 // tlw that was "rolled up" with some WMs.
340 // Queue a resize rather than sending size event directly to allow
341 // children to be made visible first.
342 win->m_oldClientWidth = 0;
343 gtk_widget_queue_resize(win->m_wxwindow);
344 }
345 // it is possible for m_isShown to be false here, see bug #9909
346 if (win->wxWindowBase::Show(true))
347 {
348 wxShowEvent eventShow(win->GetId(), true);
349 eventShow.SetEventObject(win);
350 win->GetEventHandler()->ProcessEvent(eventShow);
351 }
352
353 #if GTK_CHECK_VERSION(2,6,0)
354 if (!gtk_check_version(2,6,0))
355 {
356 // restore focus-on-map setting in case ShowWithoutActivating() was called
357 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
358 }
359 #endif // GTK+ 2.6+
360
361 return false;
362 }
363 }
364
365 //-----------------------------------------------------------------------------
366 // "window-state-event" from m_widget
367 //-----------------------------------------------------------------------------
368
369 extern "C" {
370 static gboolean
371 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
372 GdkEventWindowState *event,
373 wxTopLevelWindow *win )
374 {
375 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
376 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
377
378 // if maximized bit changed and it is now set
379 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
380 {
381 wxMaximizeEvent event(win->GetId());
382 event.SetEventObject(win);
383 win->HandleWindowEvent(event);
384 }
385
386 return false;
387 }
388 }
389
390 //-----------------------------------------------------------------------------
391
392 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
393 {
394 #ifdef GDK_WINDOWING_X11
395 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
396 Atom xproperty = gdk_x11_atom_to_xatom_for_display(
397 gdk_drawable_get_display(window), property);
398 Atom type;
399 int format;
400 gulong nitems, bytes_after;
401 guchar* data;
402 Status status = XGetWindowProperty(
403 gdk_x11_drawable_get_xdisplay(window),
404 gdk_x11_drawable_get_xid(window),
405 xproperty,
406 0, 4, false, XA_CARDINAL,
407 &type, &format, &nitems, &bytes_after, &data);
408 const bool success = status == Success && data && nitems == 4;
409 if (success)
410 {
411 long* p = (long*)data;
412 if (left) *left = int(p[0]);
413 if (right) *right = int(p[1]);
414 if (top) *top = int(p[2]);
415 if (bottom) *bottom = int(p[3]);
416 }
417 if (data)
418 XFree(data);
419 return success;
420 #else
421 return false;
422 #endif
423 }
424
425 //-----------------------------------------------------------------------------
426 // "property_notify_event" from m_widget
427 //-----------------------------------------------------------------------------
428
429 extern "C" {
430 static gboolean property_notify_event(
431 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
432 {
433 // Watch for changes to _NET_FRAME_EXTENTS property
434 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
435 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
436 {
437 if (win->m_netFrameExtentsTimerId)
438 {
439 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
440 gs_requestFrameExtentsStatus = 1;
441 g_source_remove(win->m_netFrameExtentsTimerId);
442 win->m_netFrameExtentsTimerId = 0;
443 }
444
445 wxSize decorSize = win->m_decorSize;
446 int left, right, top, bottom;
447 if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
448 decorSize.Set(left + right, top + bottom);
449
450 win->GTKUpdateDecorSize(decorSize);
451 }
452 return false;
453 }
454 }
455
456 extern "C" {
457 static gboolean request_frame_extents_timeout(void* data)
458 {
459 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
460 gs_requestFrameExtentsStatus = 2;
461 gdk_threads_enter();
462 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
463 win->m_netFrameExtentsTimerId = 0;
464 wxSize decorSize = win->m_decorSize;
465 int left, right, top, bottom;
466 if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
467 decorSize.Set(left + right, top + bottom);
468 win->GTKUpdateDecorSize(decorSize);
469 gdk_threads_leave();
470 return false;
471 }
472 }
473
474 // ----------------------------------------------------------------------------
475 // wxTopLevelWindowGTK creation
476 // ----------------------------------------------------------------------------
477
478 void wxTopLevelWindowGTK::Init()
479 {
480 m_mainWidget = NULL;
481 m_isIconized = false;
482 m_fsIsShowing = false;
483 m_themeEnabled = true;
484 m_gdkDecor =
485 m_gdkFunc = 0;
486 m_grabbed = false;
487 m_deferShow = true;
488 m_deferShowAllowed = true;
489 m_updateDecorSize = true;
490 m_netFrameExtentsTimerId = 0;
491
492 m_urgency_hint = -2;
493 }
494
495 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
496 wxWindowID id,
497 const wxString& title,
498 const wxPoint& pos,
499 const wxSize& sizeOrig,
500 long style,
501 const wxString &name )
502 {
503 // always create a frame of some reasonable, even if arbitrary, size (at
504 // least for MSW compatibility)
505 wxSize size = sizeOrig;
506 size.x = WidthDefault(size.x);
507 size.y = HeightDefault(size.y);
508
509 wxTopLevelWindows.Append( this );
510
511 if (!PreCreation( parent, pos, size ) ||
512 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
513 {
514 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
515 return false;
516 }
517
518 m_title = title;
519
520 // NB: m_widget may be !=NULL if it was created by derived class' Create,
521 // e.g. in wxTaskBarIconAreaGTK
522 if (m_widget == NULL)
523 {
524 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
525 // we must create HildonWindow and not a normal GtkWindow as the latter
526 // doesn't look correctly in Maemo environment and it must also be
527 // registered with the main program object
528 m_widget = hildon_window_new();
529 hildon_program_add_window(wxTheApp->GetHildonProgram(),
530 HILDON_WINDOW(m_widget));
531 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
532 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
533 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
534 {
535 // Tell WM that this is a dialog window and make it center
536 // on parent by default (this is what GtkDialog ctor does):
537 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
538 GDK_WINDOW_TYPE_HINT_DIALOG);
539 gtk_window_set_position(GTK_WINDOW(m_widget),
540 GTK_WIN_POS_CENTER_ON_PARENT);
541 }
542 else
543 {
544 if (style & wxFRAME_TOOL_WINDOW)
545 {
546 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
547 GDK_WINDOW_TYPE_HINT_UTILITY);
548
549 // On some WMs, like KDE, a TOOL_WINDOW will still show
550 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
551 // For consistency between WMs and with Windows, we
552 // should set the NO_TASKBAR flag which will apply
553 // the set_skip_taskbar_hint if it is available,
554 // ensuring no taskbar entry will appear.
555 style |= wxFRAME_NO_TASKBAR;
556 }
557 }
558 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
559
560 g_object_ref(m_widget);
561 }
562
563 wxWindow *topParent = wxGetTopLevelParent(m_parent);
564 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
565 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
566 (style & wxFRAME_FLOAT_ON_PARENT)))
567 {
568 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
569 GTK_WINDOW(topParent->m_widget) );
570 }
571
572 if (style & wxFRAME_NO_TASKBAR)
573 {
574 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
575 }
576
577 if (style & wxSTAY_ON_TOP)
578 {
579 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
580 }
581 if (style & wxMAXIMIZE)
582 gtk_window_maximize(GTK_WINDOW(m_widget));
583
584 #if 0
585 if (!name.empty())
586 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
587 #endif
588
589 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
590 gtk_widget_set_can_focus(m_widget, false);
591
592 g_signal_connect (m_widget, "delete_event",
593 G_CALLBACK (gtk_frame_delete_callback), this);
594
595 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
596 m_mainWidget = gtk_vbox_new(false, 0);
597 gtk_widget_show( m_mainWidget );
598 gtk_widget_set_can_focus(m_mainWidget, false);
599 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
600
601 // m_wxwindow is the client area
602 m_wxwindow = wxPizza::New();
603 gtk_widget_show( m_wxwindow );
604 gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
605
606 // we donm't allow the frame to get the focus as otherwise
607 // the frame will grab it at arbitrary focus changes
608 gtk_widget_set_can_focus(m_wxwindow, false);
609
610 if (m_parent) m_parent->AddChild( this );
611
612 g_signal_connect(m_wxwindow, "size_allocate",
613 G_CALLBACK(size_allocate), this);
614
615 PostCreation();
616
617 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
618 if ((m_x != -1) || (m_y != -1))
619 gtk_widget_set_uposition( m_widget, m_x, m_y );
620 #endif
621
622 // for some reported size corrections
623 g_signal_connect (m_widget, "map_event",
624 G_CALLBACK (gtk_frame_map_callback), this);
625
626 // for iconized state
627 g_signal_connect (m_widget, "window_state_event",
628 G_CALLBACK (gtk_frame_window_state_callback), this);
629
630
631 // for wxMoveEvent
632 g_signal_connect (m_widget, "configure_event",
633 G_CALLBACK (gtk_frame_configure_callback), this);
634
635 // activation
636 g_signal_connect_after (m_widget, "focus_in_event",
637 G_CALLBACK (gtk_frame_focus_in_callback), this);
638 g_signal_connect_after (m_widget, "focus_out_event",
639 G_CALLBACK (gtk_frame_focus_out_callback), this);
640
641 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
642 g_signal_connect(m_widget, "property_notify_event",
643 G_CALLBACK(property_notify_event), this);
644
645 // translate wx decorations styles into Motif WM hints (they are recognized
646 // by other WMs as well)
647
648 // always enable moving the window as we have no separate flag for enabling
649 // it
650 m_gdkFunc = GDK_FUNC_MOVE;
651
652 if ( style & wxCLOSE_BOX )
653 m_gdkFunc |= GDK_FUNC_CLOSE;
654
655 if ( style & wxMINIMIZE_BOX )
656 m_gdkFunc |= GDK_FUNC_MINIMIZE;
657
658 if ( style & wxMAXIMIZE_BOX )
659 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
660
661 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
662 {
663 m_gdkDecor = 0;
664 }
665 else // have border
666 {
667 m_gdkDecor = GDK_DECOR_BORDER;
668
669 if ( style & wxCAPTION )
670 m_gdkDecor |= GDK_DECOR_TITLE;
671
672 if ( style & wxSYSTEM_MENU )
673 m_gdkDecor |= GDK_DECOR_MENU;
674
675 if ( style & wxMINIMIZE_BOX )
676 m_gdkDecor |= GDK_DECOR_MINIMIZE;
677
678 if ( style & wxMAXIMIZE_BOX )
679 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
680
681 if ( style & wxRESIZE_BORDER )
682 {
683 m_gdkFunc |= GDK_FUNC_RESIZE;
684 m_gdkDecor |= GDK_DECOR_RESIZEH;
685 }
686 }
687
688 // GTK sometimes chooses very small size if max size hint is not explicitly set
689 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, -1, -1);
690
691 m_decorSize = GetCachedDecorSize();
692 int w, h;
693 GTKDoGetSize(&w, &h);
694 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
695
696 return true;
697 }
698
699 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
700 {
701 if ( m_netFrameExtentsTimerId )
702 {
703 // Don't let the timer callback fire as the window pointer passed to it
704 // will become invalid very soon.
705 g_source_remove(m_netFrameExtentsTimerId);
706 }
707
708 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
709 // it can also be a (standard) dialog
710 if ( HILDON_IS_WINDOW(m_widget) )
711 {
712 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
713 HILDON_WINDOW(m_widget));
714 }
715 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
716
717 if (m_grabbed)
718 {
719 wxFAIL_MSG(wxT("Window still grabbed"));
720 RemoveGrab();
721 }
722
723 SendDestroyEvent();
724
725 // it may also be GtkScrolledWindow in the case of an MDI child
726 if (GTK_IS_WINDOW(m_widget))
727 {
728 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
729 }
730
731 if (g_activeFrame == this)
732 g_activeFrame = NULL;
733 if (g_lastActiveFrame == this)
734 g_lastActiveFrame = NULL;
735 }
736
737 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
738 {
739 if (enable)
740 m_gdkFunc |= GDK_FUNC_CLOSE;
741 else
742 m_gdkFunc &= ~GDK_FUNC_CLOSE;
743
744 GdkWindow* window = gtk_widget_get_window(m_widget);
745 if (window)
746 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
747
748 return true;
749 }
750
751 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
752 {
753 if (show == m_fsIsShowing)
754 return false; // return what?
755
756 m_fsIsShowing = show;
757
758 #ifdef GDK_WINDOWING_X11
759 wxX11FullScreenMethod method =
760 wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
761 (WXWindow)GDK_ROOT_WINDOW());
762
763 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
764 // to switch to fullscreen, which is not always available. We must
765 // check if WM supports the spec and use legacy methods if it
766 // doesn't.
767 if ( method == wxX11_FS_WMSPEC )
768 #endif // GDK_WINDOWING_X11
769 {
770 if (show)
771 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
772 else
773 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
774 }
775 #ifdef GDK_WINDOWING_X11
776 else
777 {
778 GdkWindow* window = gtk_widget_get_window(m_widget);
779
780 if (show)
781 {
782 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
783 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
784
785 int screen_width,screen_height;
786 wxDisplaySize( &screen_width, &screen_height );
787
788 gint client_x, client_y, root_x, root_y;
789 gint width, height;
790
791 m_fsSaveGdkFunc = m_gdkFunc;
792 m_fsSaveGdkDecor = m_gdkDecor;
793 m_gdkFunc = m_gdkDecor = 0;
794 gdk_window_set_decorations(window, (GdkWMDecoration)0);
795 gdk_window_set_functions(window, (GdkWMFunction)0);
796
797 gdk_window_get_origin(window, &root_x, &root_y);
798 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height, NULL);
799
800 gdk_window_move_resize(
801 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
802
803 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
804 (WXWindow)GDK_ROOT_WINDOW(),
805 (WXWindow)GDK_WINDOW_XWINDOW(window),
806 show, &m_fsSaveFrame, method);
807 }
808 else // hide
809 {
810 m_gdkFunc = m_fsSaveGdkFunc;
811 m_gdkDecor = m_fsSaveGdkDecor;
812 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
813 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
814
815 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
816 (WXWindow)GDK_ROOT_WINDOW(),
817 (WXWindow)GDK_WINDOW_XWINDOW(window),
818 show, &m_fsSaveFrame, method);
819
820 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
821 m_fsSaveFrame.width, m_fsSaveFrame.height);
822 }
823 }
824 #endif // GDK_WINDOWING_X11
825
826 // documented behaviour is to show the window if it's still hidden when
827 // showing it full screen
828 if (show)
829 Show();
830
831 return true;
832 }
833
834 // ----------------------------------------------------------------------------
835 // overridden wxWindow methods
836 // ----------------------------------------------------------------------------
837
838 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
839 {
840 wxCHECK_RET( m_widget, wxT("invalid frame") );
841
842 gtk_widget_queue_draw( m_widget );
843
844 GdkWindow* window = NULL;
845 if (m_wxwindow)
846 window = gtk_widget_get_window(m_wxwindow);
847 if (window)
848 gdk_window_invalidate_rect(window, NULL, true);
849 }
850
851 bool wxTopLevelWindowGTK::Show( bool show )
852 {
853 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
854
855 bool deferShow = show && !m_isShown && m_deferShow;
856 if (deferShow)
857 {
858 deferShow = gs_requestFrameExtentsStatus != 2 &&
859 m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
860 if (deferShow)
861 {
862 deferShow = g_signal_handler_find(m_widget,
863 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
864 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
865 0, NULL, NULL, this) != 0;
866 }
867 GdkScreen* screen = NULL;
868 if (deferShow)
869 {
870 #ifdef GDK_WINDOWING_X11
871 screen = gtk_widget_get_screen(m_widget);
872 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
873 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
874 #else
875 deferShow = false;
876 #endif
877 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
878 // to m_decorSize, it breaks saving/restoring window size with
879 // GetSize()/SetSize() because it makes window bigger between each
880 // restore and save.
881 m_updateDecorSize = deferShow;
882 }
883
884 m_deferShow = deferShow;
885 }
886 if (deferShow)
887 {
888 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
889 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
890 // notification is received, so correct frame extents are known.
891 // This allows resizing m_widget to keep the overall size in sync with
892 // what wxWidgets expects it to be without an obvious change in the
893 // window size immediately after it becomes visible.
894
895 // Realize m_widget, so m_widget->window can be used. Realizing normally
896 // causes the widget tree to be size_allocated, which generates size
897 // events in the wrong order. However, the size_allocates will not be
898 // done if the allocation is not the default (1,1).
899 GtkAllocation alloc;
900 gtk_widget_get_allocation(m_widget, &alloc);
901 const int alloc_width = alloc.width;
902 if (alloc_width == 1)
903 {
904 alloc.width = 2;
905 gtk_widget_set_allocation(m_widget, &alloc);
906 }
907 gtk_widget_realize(m_widget);
908 if (alloc_width == 1)
909 {
910 alloc.width = 1;
911 gtk_widget_set_allocation(m_widget, &alloc);
912 }
913
914 #ifdef GDK_WINDOWING_X11
915 // send _NET_REQUEST_FRAME_EXTENTS
916 XClientMessageEvent xevent;
917 memset(&xevent, 0, sizeof(xevent));
918 xevent.type = ClientMessage;
919 GdkWindow* window = gtk_widget_get_window(m_widget);
920 xevent.window = gdk_x11_drawable_get_xid(window);
921 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
922 gdk_drawable_get_display(window),
923 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
924 xevent.format = 32;
925 Display* display = gdk_x11_drawable_get_xdisplay(window);
926 XSendEvent(display, DefaultRootWindow(display), false,
927 SubstructureNotifyMask | SubstructureRedirectMask,
928 (XEvent*)&xevent);
929 #endif // GDK_WINDOWING_X11
930
931 if (gs_requestFrameExtentsStatus == 0)
932 {
933 // if WM does not respond to request within 1 second,
934 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
935 m_netFrameExtentsTimerId =
936 g_timeout_add(1000, request_frame_extents_timeout, this);
937 }
938
939 // defer calling gtk_widget_show()
940 m_isShown = true;
941 return true;
942 }
943
944 if (show && !gtk_widget_get_realized(m_widget))
945 {
946 // size_allocate signals occur in reverse order (bottom to top).
947 // Things work better if the initial wxSizeEvents are sent (from the
948 // top down), before the initial size_allocate signals occur.
949 wxSizeEvent event(GetSize(), GetId());
950 event.SetEventObject(this);
951 HandleWindowEvent(event);
952 }
953
954 bool change = base_type::Show(show);
955
956 if (change && !show)
957 {
958 // make sure window has a non-default position, so when it is shown
959 // again, it won't be repositioned by WM as if it were a new window
960 // Note that this must be done _after_ the window is hidden.
961 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
962 }
963
964 return change;
965 }
966
967 void wxTopLevelWindowGTK::ShowWithoutActivating()
968 {
969 if (!m_isShown)
970 {
971 #if GTK_CHECK_VERSION(2,6,0)
972 if (!gtk_check_version(2,6,0))
973 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
974 #endif // GTK+ 2.6+
975
976 Show(true);
977 }
978 }
979
980 void wxTopLevelWindowGTK::Raise()
981 {
982 gtk_window_present( GTK_WINDOW( m_widget ) );
983 }
984
985 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
986 {
987 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
988 }
989
990 // ----------------------------------------------------------------------------
991 // window geometry
992 // ----------------------------------------------------------------------------
993
994 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
995 {
996 wxSize size(m_width, m_height);
997 size -= m_decorSize;
998 if (size.x < 0) size.x = 0;
999 if (size.y < 0) size.y = 0;
1000 #if wxUSE_LIBHILDON2
1001 if (width) {
1002 if (size.x == 720)
1003 *width = 696;
1004 else
1005 *width = size.x;
1006 }
1007 if (height) {
1008 if (size.y == 420)
1009 *height = 396;
1010 else if (size.y == 270)
1011 *height = 246;
1012 else
1013 *height = size.y;
1014 }
1015 #else // wxUSE_LIBHILDON2
1016 if (width) *width = size.x;
1017 if (height) *height = size.y;
1018 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1019 }
1020
1021 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1022 {
1023 wxCHECK_RET( m_widget, wxT("invalid frame") );
1024
1025 m_deferShowAllowed = true;
1026
1027 // deal with the position first
1028 int old_x = m_x;
1029 int old_y = m_y;
1030
1031 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1032 {
1033 // -1 means "use existing" unless the flag above is specified
1034 if ( x != -1 )
1035 m_x = x;
1036 if ( y != -1 )
1037 m_y = y;
1038 }
1039 else // wxSIZE_ALLOW_MINUS_ONE
1040 {
1041 m_x = x;
1042 m_y = y;
1043 }
1044
1045 if ( m_x != old_x || m_y != old_y )
1046 {
1047 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1048 }
1049
1050 const wxSize oldSize(m_width, m_height);
1051 if (width >= 0)
1052 m_width = width;
1053 if (height >= 0)
1054 m_height = height;
1055 ConstrainSize();
1056 if (m_width != oldSize.x || m_height != oldSize.y)
1057 {
1058 int w, h;
1059 GTKDoGetSize(&w, &h);
1060 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1061
1062 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1063 wxSizeEvent event(GetSize(), GetId());
1064 event.SetEventObject(this);
1065 HandleWindowEvent(event);
1066 }
1067 }
1068
1069 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1070 {
1071 base_type::DoSetClientSize(width, height);
1072
1073 // Since client size is being explicitly set, don't change it later
1074 // Has to be done after calling base because it calls SetSize,
1075 // which sets this true
1076 m_deferShowAllowed = false;
1077 }
1078
1079 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1080 {
1081 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1082
1083 if ( IsIconized() )
1084 {
1085 // for consistency with wxMSW, client area is supposed to be empty for
1086 // the iconized windows
1087 if ( width )
1088 *width = 0;
1089 if ( height )
1090 *height = 0;
1091 }
1092 else
1093 {
1094 GTKDoGetSize(width, height);
1095 }
1096 }
1097
1098 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1099 int maxW, int maxH,
1100 int incW, int incH )
1101 {
1102 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1103
1104 const wxSize minSize = GetMinSize();
1105 const wxSize maxSize = GetMaxSize();
1106 GdkGeometry hints;
1107 // always set both min and max hints, otherwise GTK will
1108 // make assumptions we don't want about the unset values
1109 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1110 hints.min_width = 1;
1111 hints.min_height = 1;
1112 hints.max_width = INT_MAX;
1113 hints.max_height = INT_MAX;
1114 if (minSize.x > m_decorSize.x)
1115 hints.min_width = minSize.x - m_decorSize.x;
1116 if (minSize.y > m_decorSize.y)
1117 hints.min_height = minSize.y - m_decorSize.y;
1118 if (maxSize.x > m_decorSize.x)
1119 hints.max_width = maxSize.x - m_decorSize.x;
1120 if (maxSize.y > m_decorSize.y)
1121 hints.max_height = maxSize.y - m_decorSize.y;
1122 if (incW > 0 || incH > 0)
1123 {
1124 hints_mask |= GDK_HINT_RESIZE_INC;
1125 hints.width_inc = incW > 0 ? incW : 1;
1126 hints.height_inc = incH > 0 ? incH : 1;
1127 }
1128 gtk_window_set_geometry_hints(
1129 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1130 }
1131
1132 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1133 {
1134 if (!IsMaximized() && !IsFullScreen())
1135 GetCachedDecorSize() = decorSize;
1136 if (m_updateDecorSize && m_decorSize != decorSize)
1137 {
1138 const wxSize diff = decorSize - m_decorSize;
1139 m_decorSize = decorSize;
1140 bool resized = false;
1141 if (m_deferShow)
1142 {
1143 // keep overall size unchanged by shrinking m_widget
1144 int w, h;
1145 GTKDoGetSize(&w, &h);
1146 // but not if size would be less than minimum, it won't take effect
1147 const wxSize minSize = GetMinSize();
1148 if (w >= minSize.x && h >= minSize.y)
1149 {
1150 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1151 resized = true;
1152 }
1153 }
1154 if (!resized)
1155 {
1156 // adjust overall size to match change in frame extents
1157 m_width += diff.x;
1158 m_height += diff.y;
1159 if (m_width < 0) m_width = 0;
1160 if (m_height < 0) m_height = 0;
1161 m_oldClientWidth = 0;
1162 gtk_widget_queue_resize(m_wxwindow);
1163 }
1164 }
1165 if (m_deferShow)
1166 {
1167 // gtk_widget_show() was deferred, do it now
1168 m_deferShow = false;
1169 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1170 wxSizeEvent sizeEvent(GetSize(), GetId());
1171 sizeEvent.SetEventObject(this);
1172 HandleWindowEvent(sizeEvent);
1173
1174 gtk_widget_show(m_widget);
1175
1176 wxShowEvent showEvent(GetId(), true);
1177 showEvent.SetEventObject(this);
1178 HandleWindowEvent(showEvent);
1179 }
1180 }
1181
1182 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1183 {
1184 static wxSize size[8];
1185
1186 int index = 0;
1187 // title bar
1188 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1189 index = 1;
1190 // border
1191 if (m_gdkDecor & GDK_DECOR_BORDER)
1192 index |= 2;
1193 // utility window decor can be different
1194 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1195 index |= 4;
1196 return size[index];
1197 }
1198
1199 void wxTopLevelWindowGTK::OnInternalIdle()
1200 {
1201 wxTopLevelWindowBase::OnInternalIdle();
1202
1203 // Synthetize activate events.
1204 if ( g_sendActivateEvent != -1 )
1205 {
1206 bool activate = g_sendActivateEvent != 0;
1207
1208 // if (!activate) wxPrintf( wxT("de") );
1209 // wxPrintf( wxT("activate\n") );
1210
1211 // do it only once
1212 g_sendActivateEvent = -1;
1213
1214 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1215 }
1216 }
1217
1218 // ----------------------------------------------------------------------------
1219 // frame title/icon
1220 // ----------------------------------------------------------------------------
1221
1222 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1223 {
1224 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1225
1226 if ( title == m_title )
1227 return;
1228
1229 m_title = title;
1230
1231 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1232 }
1233
1234 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1235 {
1236 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1237
1238 base_type::SetIcons(icons);
1239
1240 // Setting icons before window is realized can cause a GTK assertion if
1241 // another TLW is realized before this one, and it has this one as it's
1242 // transient parent. The life demo exibits this problem.
1243 if (gtk_widget_get_realized(m_widget))
1244 {
1245 GList* list = NULL;
1246 for (size_t i = icons.GetIconCount(); i--;)
1247 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1248 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1249 g_list_free(list);
1250 }
1251 }
1252
1253 // ----------------------------------------------------------------------------
1254 // frame state: maximized/iconized/normal
1255 // ----------------------------------------------------------------------------
1256
1257 void wxTopLevelWindowGTK::Maximize(bool maximize)
1258 {
1259 if (maximize)
1260 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1261 else
1262 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1263 }
1264
1265 bool wxTopLevelWindowGTK::IsMaximized() const
1266 {
1267 GdkWindow* window = NULL;
1268 if (m_widget)
1269 window = gtk_widget_get_window(m_widget);
1270 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1271 }
1272
1273 void wxTopLevelWindowGTK::Restore()
1274 {
1275 // "Present" seems similar enough to "restore"
1276 gtk_window_present( GTK_WINDOW( m_widget ) );
1277 }
1278
1279 void wxTopLevelWindowGTK::Iconize( bool iconize )
1280 {
1281 if (iconize)
1282 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1283 else
1284 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1285 }
1286
1287 bool wxTopLevelWindowGTK::IsIconized() const
1288 {
1289 return m_isIconized;
1290 }
1291
1292 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1293 {
1294 if ( iconize != m_isIconized )
1295 {
1296 m_isIconized = iconize;
1297 (void)SendIconizeEvent(iconize);
1298 }
1299 }
1300
1301 void wxTopLevelWindowGTK::AddGrab()
1302 {
1303 if (!m_grabbed)
1304 {
1305 m_grabbed = true;
1306 gtk_grab_add( m_widget );
1307 wxGUIEventLoop().Run();
1308 gtk_grab_remove( m_widget );
1309 }
1310 }
1311
1312 void wxTopLevelWindowGTK::RemoveGrab()
1313 {
1314 if (m_grabbed)
1315 {
1316 gtk_main_quit();
1317 m_grabbed = false;
1318 }
1319 }
1320
1321 bool wxTopLevelWindowGTK::IsActive()
1322 {
1323 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1324 }
1325
1326 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1327 {
1328 bool new_hint_value = false;
1329
1330 // FIXME: This is a workaround to focus handling problem
1331 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1332 // hasn't yet been processed, and the internal focus system is not up to date yet.
1333 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1334 // won't have side effects) - MR
1335 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1336
1337 if(m_urgency_hint >= 0)
1338 g_source_remove(m_urgency_hint);
1339
1340 m_urgency_hint = -2;
1341
1342 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1343 {
1344 new_hint_value = true;
1345
1346 if (flags & wxUSER_ATTENTION_INFO)
1347 {
1348 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1349 } else {
1350 m_urgency_hint = -1;
1351 }
1352 }
1353
1354 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1355 }
1356
1357 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1358 {
1359 // Store which styles were changed
1360 long styleChanges = style ^ m_windowStyle;
1361
1362 // Process wxWindow styles. This also updates the internal variable
1363 // Therefore m_windowStyle bits carry now the _new_ style values
1364 wxWindow::SetWindowStyleFlag(style);
1365
1366 // just return for now if widget does not exist yet
1367 if (!m_widget)
1368 return;
1369
1370 if ( styleChanges & wxSTAY_ON_TOP )
1371 {
1372 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1373 m_windowStyle & wxSTAY_ON_TOP);
1374 }
1375
1376 if ( styleChanges & wxFRAME_NO_TASKBAR )
1377 {
1378 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1379 m_windowStyle & wxFRAME_NO_TASKBAR);
1380 }
1381 }
1382
1383 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1384 {
1385 GdkWindow* window = NULL;
1386 if (m_widget)
1387 window = gtk_widget_get_window(m_widget);
1388 if (window == NULL)
1389 return false;
1390
1391 #ifdef GDK_WINDOWING_X11
1392 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1393 Window win = GDK_WINDOW_XID(window);
1394
1395 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1396 if (alpha == 0xff)
1397 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1398 else
1399 {
1400 long opacity = alpha * 0x1010101L;
1401 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1402 XA_CARDINAL, 32, PropModeReplace,
1403 (unsigned char *) &opacity, 1L);
1404 }
1405 XSync(dpy, False);
1406 return true;
1407 #else // !GDK_WINDOWING_X11
1408 return false;
1409 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1410 }
1411
1412 bool wxTopLevelWindowGTK::CanSetTransparent()
1413 {
1414 // allow to override automatic detection as it's far from perfect
1415 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1416 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1417 {
1418 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1419 }
1420
1421 #if GTK_CHECK_VERSION(2,10,0)
1422 if (!gtk_check_version(2,10,0))
1423 {
1424 return gtk_widget_is_composited(m_widget) != 0;
1425 }
1426 else
1427 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1428 {
1429 return false;
1430 }
1431
1432 #if 0 // Don't be optimistic here for the sake of wxAUI
1433 int opcode, event, error;
1434 // Check for the existence of a RGBA visual instead?
1435 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1436 "Composite", &opcode, &event, &error);
1437 #endif
1438 }
wxWidgets (Impactor)