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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/evtloop.h"
35 #include "wx/sysopt.h"
36
37 #include <gtk/gtk.h>
38 #ifdef GDK_WINDOWING_X11
39 #include <gdk/gdkx.h>
40 #include <X11/Xatom.h> // XA_CARDINAL
41 #include "wx/unix/utilsx11.h"
42 #endif
43
44 #include "wx/gtk/private.h"
45 #include "wx/gtk/private/gtk2-compat.h"
46 #include "wx/gtk/private/win_gtk.h"
47
48 #if wxUSE_LIBHILDON
49 #include <hildon-widgets/hildon-program.h>
50 #include <hildon-widgets/hildon-window.h>
51 #endif // wxUSE_LIBHILDON
52
53 #if wxUSE_LIBHILDON2
54 #include <hildon/hildon.h>
55 #endif // wxUSE_LIBHILDON2
56
57 // ----------------------------------------------------------------------------
58 // data
59 // ----------------------------------------------------------------------------
60
61 // this is incremented while a modal dialog is shown
62 int wxOpenModalDialogsCount = 0;
63
64 // the frame that is currently active (i.e. its child has focus). It is
65 // used to generate wxActivateEvents
66 static wxTopLevelWindowGTK *g_activeFrame = NULL;
67 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
68
69 // if we detect that the app has got/lost the focus, we set this variable to
70 // either TRUE or FALSE and an activate event will be sent during the next
71 // OnIdle() call and it is reset to -1: this value means that we shouldn't
72 // send any activate events at all
73 static int g_sendActivateEvent = -1;
74
75 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
76 // 0 == not tested yet, 1 == working, 2 == broken
77 static int gs_requestFrameExtentsStatus;
78
79 //-----------------------------------------------------------------------------
80 // RequestUserAttention related functions
81 //-----------------------------------------------------------------------------
82
83 #ifndef __WXGTK3__
84 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
85 gboolean setting)
86 {
87 #if GTK_CHECK_VERSION(2,7,0)
88 if (gtk_check_version(2,7,0) == NULL)
89 gtk_window_set_urgency_hint(win, setting);
90 else
91 #endif
92 {
93 #ifdef GDK_WINDOWING_X11
94 GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
95 wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
96
97 Display* dpy = GDK_WINDOW_XDISPLAY(window);
98 Window xid = GDK_WINDOW_XID(window);
99 XWMHints* wm_hints = XGetWMHints(dpy, xid);
100
101 if (!wm_hints)
102 wm_hints = XAllocWMHints();
103
104 if (setting)
105 wm_hints->flags |= XUrgencyHint;
106 else
107 wm_hints->flags &= ~XUrgencyHint;
108
109 XSetWMHints(dpy, xid, wm_hints);
110 XFree(wm_hints);
111 #endif // GDK_WINDOWING_X11
112 }
113 }
114 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
115 #endif
116
117 extern "C" {
118 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
119 {
120 gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
121
122 win->m_urgency_hint = -2;
123 return FALSE;
124 }
125 }
126
127 //-----------------------------------------------------------------------------
128 // "focus_in_event"
129 //-----------------------------------------------------------------------------
130
131 extern "C" {
132 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
133 GdkEvent *WXUNUSED(event),
134 wxTopLevelWindowGTK *win )
135 {
136 switch ( g_sendActivateEvent )
137 {
138 case -1:
139 // we've got focus from outside, synthetize wxActivateEvent
140 g_sendActivateEvent = 1;
141 break;
142
143 case 0:
144 // another our window just lost focus, it was already ours before
145 // - don't send any wxActivateEvent
146 g_sendActivateEvent = -1;
147 break;
148 }
149
150 g_activeFrame = win;
151 g_lastActiveFrame = g_activeFrame;
152
153 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
154
155 // MR: wxRequestUserAttention related block
156 switch( win->m_urgency_hint )
157 {
158 default:
159 g_source_remove( win->m_urgency_hint );
160 // no break, fallthrough to remove hint too
161 case -1:
162 gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
163 win->m_urgency_hint = -2;
164 break;
165
166 case -2: break;
167 }
168
169 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
170 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
171 event.SetEventObject(g_activeFrame);
172 g_activeFrame->HandleWindowEvent(event);
173
174 return FALSE;
175 }
176 }
177
178 //-----------------------------------------------------------------------------
179 // "focus_out_event"
180 //-----------------------------------------------------------------------------
181
182 extern "C" {
183 static
184 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
185 GdkEventFocus *WXUNUSED(gdk_event),
186 wxTopLevelWindowGTK * WXUNUSED(win))
187 {
188 // if the focus goes out of our app altogether, OnIdle() will send
189 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
190 // g_sendActivateEvent to -1
191 g_sendActivateEvent = 0;
192
193 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
194
195 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
196
197 if (g_activeFrame)
198 {
199 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
200 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
201 event.SetEventObject(g_activeFrame);
202 g_activeFrame->HandleWindowEvent(event);
203
204 g_activeFrame = NULL;
205 }
206
207 return FALSE;
208 }
209 }
210
211 //-----------------------------------------------------------------------------
212 // "size_allocate" from m_wxwindow
213 //-----------------------------------------------------------------------------
214
215 extern "C" {
216 static void
217 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
218 {
219 if (win->m_oldClientWidth != alloc->width ||
220 win->m_oldClientHeight != alloc->height)
221 {
222 win->m_oldClientWidth = alloc->width;
223 win->m_oldClientHeight = alloc->height;
224
225 GtkAllocation a;
226 gtk_widget_get_allocation(win->m_widget, &a);
227 wxSize size(a.width, a.height);
228 size += win->m_decorSize;
229 win->m_width = size.x;
230 win->m_height = size.y;
231
232 if (!win->IsIconized())
233 {
234 wxSizeEvent event(size, win->GetId());
235 event.SetEventObject(win);
236 win->HandleWindowEvent(event);
237 }
238 // else the window is currently unmapped, don't generate size events
239 }
240 }
241 }
242
243 //-----------------------------------------------------------------------------
244 // "delete_event"
245 //-----------------------------------------------------------------------------
246
247 extern "C" {
248 static gboolean
249 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
250 GdkEvent *WXUNUSED(event),
251 wxTopLevelWindowGTK *win )
252 {
253 if (win->IsEnabled() &&
254 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
255 win->IsGrabbed()))
256 win->Close();
257
258 return TRUE;
259 }
260 }
261
262 //-----------------------------------------------------------------------------
263 // "configure_event"
264 //-----------------------------------------------------------------------------
265
266 extern "C" {
267 static gboolean
268 gtk_frame_configure_callback( GtkWidget* widget,
269 GdkEventConfigure *WXUNUSED(event),
270 wxTopLevelWindowGTK *win )
271 {
272 if (!win->m_hasVMT || !win->IsShown())
273 return FALSE;
274
275 wxPoint point;
276 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
277
278 win->m_x = point.x;
279 win->m_y = point.y;
280 wxMoveEvent mevent(point, win->GetId());
281 mevent.SetEventObject( win );
282 win->HandleWindowEvent( mevent );
283
284 return FALSE;
285 }
286 }
287
288 //-----------------------------------------------------------------------------
289 // "realize" from m_widget
290 //-----------------------------------------------------------------------------
291
292 // we cannot the WM hints and icons before the widget has been realized,
293 // so we do this directly after realization
294
295 void wxTopLevelWindowGTK::GTKHandleRealized()
296 {
297 wxNonOwnedWindow::GTKHandleRealized();
298
299 gdk_window_set_decorations(gtk_widget_get_window(m_widget),
300 (GdkWMDecoration)m_gdkDecor);
301 gdk_window_set_functions(gtk_widget_get_window(m_widget),
302 (GdkWMFunction)m_gdkFunc);
303
304 // GTK's shrinking/growing policy
305 if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
306 gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
307 #ifndef __WXGTK3__
308 else
309 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
310 #endif
311
312 const wxIconBundle& icons = GetIcons();
313 if (icons.GetIconCount())
314 SetIcons(icons);
315
316 #ifdef __WXGTK3__
317 if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
318 {
319 // Grip window can end up obscured, probably due to deferred show.
320 // Reset grip to ensure it is visible.
321 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
322 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
323 }
324 #endif
325 }
326
327 //-----------------------------------------------------------------------------
328 // "map_event" from m_widget
329 //-----------------------------------------------------------------------------
330
331 extern "C" {
332 static gboolean
333 gtk_frame_map_callback( GtkWidget*,
334 GdkEvent * WXUNUSED(event),
335 wxTopLevelWindow *win )
336 {
337 const bool wasIconized = win->IsIconized();
338 if (wasIconized)
339 {
340 // Because GetClientSize() returns (0,0) when IsIconized() is true,
341 // a size event must be generated, just in case GetClientSize() was
342 // called while iconized. This specifically happens when restoring a
343 // tlw that was "rolled up" with some WMs.
344 // Queue a resize rather than sending size event directly to allow
345 // children to be made visible first.
346 win->m_oldClientWidth = 0;
347 gtk_widget_queue_resize(win->m_wxwindow);
348 }
349 // it is possible for m_isShown to be false here, see bug #9909
350 if (win->wxWindowBase::Show(true))
351 {
352 wxShowEvent eventShow(win->GetId(), true);
353 eventShow.SetEventObject(win);
354 win->GetEventHandler()->ProcessEvent(eventShow);
355 }
356
357 {
358 // restore focus-on-map setting in case ShowWithoutActivating() was called
359 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
360 }
361
362 return false;
363 }
364 }
365
366 //-----------------------------------------------------------------------------
367 // "window-state-event" from m_widget
368 //-----------------------------------------------------------------------------
369
370 extern "C" {
371 static gboolean
372 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
373 GdkEventWindowState *event,
374 wxTopLevelWindow *win )
375 {
376 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
377 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
378
379 // if maximized bit changed and it is now set
380 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
381 {
382 wxMaximizeEvent event(win->GetId());
383 event.SetEventObject(win);
384 win->HandleWindowEvent(event);
385 }
386
387 return false;
388 }
389 }
390
391 //-----------------------------------------------------------------------------
392
393 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
394 {
395 #ifdef GDK_WINDOWING_X11
396 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
397 GdkDisplay* display = gdk_window_get_display(window);
398 Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
399 Atom type;
400 int format;
401 gulong nitems, bytes_after;
402 guchar* data;
403 Status status = XGetWindowProperty(
404 GDK_DISPLAY_XDISPLAY(display),
405 GDK_WINDOW_XID(window),
406 xproperty,
407 0, 4, false, XA_CARDINAL,
408 &type, &format, &nitems, &bytes_after, &data);
409 const bool success = status == Success && data && nitems == 4;
410 if (success)
411 {
412 long* p = (long*)data;
413 if (left) *left = int(p[0]);
414 if (right) *right = int(p[1]);
415 if (top) *top = int(p[2]);
416 if (bottom) *bottom = int(p[3]);
417 }
418 if (data)
419 XFree(data);
420 return success;
421 #else
422 return false;
423 #endif
424 }
425
426 //-----------------------------------------------------------------------------
427 // "property_notify_event" from m_widget
428 //-----------------------------------------------------------------------------
429
430 extern "C" {
431 static gboolean property_notify_event(
432 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
433 {
434 // Watch for changes to _NET_FRAME_EXTENTS property
435 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
436 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
437 {
438 if (win->m_netFrameExtentsTimerId)
439 {
440 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
441 gs_requestFrameExtentsStatus = 1;
442 g_source_remove(win->m_netFrameExtentsTimerId);
443 win->m_netFrameExtentsTimerId = 0;
444 }
445
446 wxSize decorSize = win->m_decorSize;
447 int left, right, top, bottom;
448 if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
449 decorSize.Set(left + right, top + bottom);
450
451 win->GTKUpdateDecorSize(decorSize);
452 }
453 return false;
454 }
455 }
456
457 extern "C" {
458 static gboolean request_frame_extents_timeout(void* data)
459 {
460 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
461 gs_requestFrameExtentsStatus = 2;
462 gdk_threads_enter();
463 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
464 win->m_netFrameExtentsTimerId = 0;
465 wxSize decorSize = win->m_decorSize;
466 int left, right, top, bottom;
467 if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
468 decorSize.Set(left + right, top + bottom);
469 win->GTKUpdateDecorSize(decorSize);
470 gdk_threads_leave();
471 return false;
472 }
473 }
474
475 // ----------------------------------------------------------------------------
476 // wxTopLevelWindowGTK creation
477 // ----------------------------------------------------------------------------
478
479 void wxTopLevelWindowGTK::Init()
480 {
481 m_mainWidget = NULL;
482 m_isIconized = false;
483 m_fsIsShowing = false;
484 m_themeEnabled = true;
485 m_gdkDecor =
486 m_gdkFunc = 0;
487 m_grabbed = false;
488 m_deferShow = true;
489 m_deferShowAllowed = true;
490 m_updateDecorSize = true;
491 m_netFrameExtentsTimerId = 0;
492 m_incWidth = m_incHeight = 0;
493
494 m_urgency_hint = -2;
495 }
496
497 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
498 wxWindowID id,
499 const wxString& title,
500 const wxPoint& pos,
501 const wxSize& sizeOrig,
502 long style,
503 const wxString &name )
504 {
505 // always create a frame of some reasonable, even if arbitrary, size (at
506 // least for MSW compatibility)
507 wxSize size = sizeOrig;
508 size.x = WidthDefault(size.x);
509 size.y = HeightDefault(size.y);
510
511 wxTopLevelWindows.Append( this );
512
513 if (!PreCreation( parent, pos, size ) ||
514 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
515 {
516 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
517 return false;
518 }
519
520 m_title = title;
521
522 // NB: m_widget may be !=NULL if it was created by derived class' Create,
523 // e.g. in wxTaskBarIconAreaGTK
524 if (m_widget == NULL)
525 {
526 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
527 // we must create HildonWindow and not a normal GtkWindow as the latter
528 // doesn't look correctly in Maemo environment and it must also be
529 // registered with the main program object
530 m_widget = hildon_window_new();
531 hildon_program_add_window(wxTheApp->GetHildonProgram(),
532 HILDON_WINDOW(m_widget));
533 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
534 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
535 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
536 {
537 // Tell WM that this is a dialog window and make it center
538 // on parent by default (this is what GtkDialog ctor does):
539 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
540 GDK_WINDOW_TYPE_HINT_DIALOG);
541 gtk_window_set_position(GTK_WINDOW(m_widget),
542 GTK_WIN_POS_CENTER_ON_PARENT);
543 }
544 else
545 {
546 if (style & wxFRAME_TOOL_WINDOW)
547 {
548 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
549 GDK_WINDOW_TYPE_HINT_UTILITY);
550
551 // On some WMs, like KDE, a TOOL_WINDOW will still show
552 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
553 // For consistency between WMs and with Windows, we
554 // should set the NO_TASKBAR flag which will apply
555 // the set_skip_taskbar_hint if it is available,
556 // ensuring no taskbar entry will appear.
557 style |= wxFRAME_NO_TASKBAR;
558 }
559 }
560 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
561
562 g_object_ref(m_widget);
563 }
564
565 wxWindow *topParent = wxGetTopLevelParent(m_parent);
566 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
567 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
568 (style & wxFRAME_FLOAT_ON_PARENT)))
569 {
570 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
571 GTK_WINDOW(topParent->m_widget) );
572 }
573
574 if (style & wxFRAME_NO_TASKBAR)
575 {
576 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
577 }
578
579 if (style & wxSTAY_ON_TOP)
580 {
581 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
582 }
583 if (style & wxMAXIMIZE)
584 gtk_window_maximize(GTK_WINDOW(m_widget));
585
586 #if 0
587 if (!name.empty())
588 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
589 #endif
590
591 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
592 gtk_widget_set_can_focus(m_widget, false);
593
594 g_signal_connect (m_widget, "delete_event",
595 G_CALLBACK (gtk_frame_delete_callback), this);
596
597 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
598 m_mainWidget = gtk_vbox_new(false, 0);
599 gtk_widget_show( m_mainWidget );
600 gtk_widget_set_can_focus(m_mainWidget, false);
601 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
602
603 // m_wxwindow is the client area
604 m_wxwindow = wxPizza::New();
605 gtk_widget_show( m_wxwindow );
606 gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
607
608 // we donm't allow the frame to get the focus as otherwise
609 // the frame will grab it at arbitrary focus changes
610 gtk_widget_set_can_focus(m_wxwindow, false);
611
612 if (m_parent) m_parent->AddChild( this );
613
614 g_signal_connect(m_wxwindow, "size_allocate",
615 G_CALLBACK(size_allocate), this);
616
617 PostCreation();
618
619 #ifndef __WXGTK3__
620 if ((m_x != -1) || (m_y != -1))
621 gtk_widget_set_uposition( m_widget, m_x, m_y );
622 #endif
623
624 // for some reported size corrections
625 g_signal_connect (m_widget, "map_event",
626 G_CALLBACK (gtk_frame_map_callback), this);
627
628 // for iconized state
629 g_signal_connect (m_widget, "window_state_event",
630 G_CALLBACK (gtk_frame_window_state_callback), this);
631
632
633 // for wxMoveEvent
634 g_signal_connect (m_widget, "configure_event",
635 G_CALLBACK (gtk_frame_configure_callback), this);
636
637 // activation
638 g_signal_connect_after (m_widget, "focus_in_event",
639 G_CALLBACK (gtk_frame_focus_in_callback), this);
640 g_signal_connect_after (m_widget, "focus_out_event",
641 G_CALLBACK (gtk_frame_focus_out_callback), this);
642
643 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
644 g_signal_connect(m_widget, "property_notify_event",
645 G_CALLBACK(property_notify_event), this);
646
647 // translate wx decorations styles into Motif WM hints (they are recognized
648 // by other WMs as well)
649
650 // always enable moving the window as we have no separate flag for enabling
651 // it
652 m_gdkFunc = GDK_FUNC_MOVE;
653
654 if ( style & wxCLOSE_BOX )
655 m_gdkFunc |= GDK_FUNC_CLOSE;
656
657 if ( style & wxMINIMIZE_BOX )
658 m_gdkFunc |= GDK_FUNC_MINIMIZE;
659
660 if ( style & wxMAXIMIZE_BOX )
661 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
662
663 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
664 {
665 m_gdkDecor = 0;
666 }
667 else // have border
668 {
669 m_gdkDecor = GDK_DECOR_BORDER;
670
671 if ( style & wxCAPTION )
672 m_gdkDecor |= GDK_DECOR_TITLE;
673
674 if ( style & wxSYSTEM_MENU )
675 m_gdkDecor |= GDK_DECOR_MENU;
676
677 if ( style & wxMINIMIZE_BOX )
678 m_gdkDecor |= GDK_DECOR_MINIMIZE;
679
680 if ( style & wxMAXIMIZE_BOX )
681 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
682
683 if ( style & wxRESIZE_BORDER )
684 {
685 m_gdkFunc |= GDK_FUNC_RESIZE;
686 m_gdkDecor |= GDK_DECOR_RESIZEH;
687 }
688 }
689
690 // GTK sometimes chooses very small size if max size hint is not explicitly set
691 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
692
693 m_decorSize = GetCachedDecorSize();
694 int w, h;
695 GTKDoGetSize(&w, &h);
696 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
697
698 return true;
699 }
700
701 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
702 {
703 if ( m_netFrameExtentsTimerId )
704 {
705 // Don't let the timer callback fire as the window pointer passed to it
706 // will become invalid very soon.
707 g_source_remove(m_netFrameExtentsTimerId);
708 }
709
710 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
711 // it can also be a (standard) dialog
712 if ( HILDON_IS_WINDOW(m_widget) )
713 {
714 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
715 HILDON_WINDOW(m_widget));
716 }
717 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
718
719 if (m_grabbed)
720 {
721 wxFAIL_MSG(wxT("Window still grabbed"));
722 RemoveGrab();
723 }
724
725 SendDestroyEvent();
726
727 // it may also be GtkScrolledWindow in the case of an MDI child
728 if (GTK_IS_WINDOW(m_widget))
729 {
730 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
731 }
732
733 if (g_activeFrame == this)
734 g_activeFrame = NULL;
735 if (g_lastActiveFrame == this)
736 g_lastActiveFrame = NULL;
737 }
738
739 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
740 {
741 if (enable)
742 m_gdkFunc |= GDK_FUNC_CLOSE;
743 else
744 m_gdkFunc &= ~GDK_FUNC_CLOSE;
745
746 GdkWindow* window = gtk_widget_get_window(m_widget);
747 if (window)
748 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
749
750 return true;
751 }
752
753 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
754 {
755 if (show == m_fsIsShowing)
756 return false; // return what?
757
758 m_fsIsShowing = show;
759
760 #ifdef GDK_WINDOWING_X11
761 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
762 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
763 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
764
765 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
766 // to switch to fullscreen, which is not always available. We must
767 // check if WM supports the spec and use legacy methods if it
768 // doesn't.
769 if ( method == wxX11_FS_WMSPEC )
770 #endif // GDK_WINDOWING_X11
771 {
772 if (show)
773 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
774 else
775 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
776 }
777 #ifdef GDK_WINDOWING_X11
778 else
779 {
780 GdkWindow* window = gtk_widget_get_window(m_widget);
781 Window xid = GDK_WINDOW_XID(window);
782
783 if (show)
784 {
785 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
786 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
787
788 GdkScreen* screen = gtk_widget_get_screen(m_widget);
789 const int screen_width = gdk_screen_get_width(screen);
790 const int screen_height = gdk_screen_get_height(screen);
791
792 gint client_x, client_y, root_x, root_y;
793 gint width, height;
794
795 m_fsSaveGdkFunc = m_gdkFunc;
796 m_fsSaveGdkDecor = m_gdkDecor;
797 m_gdkFunc = m_gdkDecor = 0;
798 gdk_window_set_decorations(window, (GdkWMDecoration)0);
799 gdk_window_set_functions(window, (GdkWMFunction)0);
800
801 gdk_window_get_origin(window, &root_x, &root_y);
802 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
803
804 gdk_window_move_resize(
805 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
806
807 wxSetFullScreenStateX11(xdpy,
808 (WXWindow)xroot,
809 (WXWindow)xid,
810 show, &m_fsSaveFrame, method);
811 }
812 else // hide
813 {
814 m_gdkFunc = m_fsSaveGdkFunc;
815 m_gdkDecor = m_fsSaveGdkDecor;
816 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
817 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
818
819 wxSetFullScreenStateX11(xdpy,
820 (WXWindow)xroot,
821 (WXWindow)xid,
822 show, &m_fsSaveFrame, method);
823
824 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
825 m_fsSaveFrame.width, m_fsSaveFrame.height);
826 }
827 }
828 #endif // GDK_WINDOWING_X11
829
830 // documented behaviour is to show the window if it's still hidden when
831 // showing it full screen
832 if (show)
833 Show();
834
835 return true;
836 }
837
838 // ----------------------------------------------------------------------------
839 // overridden wxWindow methods
840 // ----------------------------------------------------------------------------
841
842 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
843 {
844 wxCHECK_RET( m_widget, wxT("invalid frame") );
845
846 gtk_widget_queue_draw( m_widget );
847
848 GdkWindow* window = NULL;
849 if (m_wxwindow)
850 window = gtk_widget_get_window(m_wxwindow);
851 if (window)
852 gdk_window_invalidate_rect(window, NULL, true);
853 }
854
855 bool wxTopLevelWindowGTK::Show( bool show )
856 {
857 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
858
859 bool deferShow = show && !m_isShown && m_deferShow;
860 if (deferShow)
861 {
862 deferShow = gs_requestFrameExtentsStatus != 2 &&
863 m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
864 if (deferShow)
865 {
866 deferShow = g_signal_handler_find(m_widget,
867 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
868 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
869 0, NULL, NULL, this) != 0;
870 }
871 GdkScreen* screen = NULL;
872 if (deferShow)
873 {
874 #ifdef GDK_WINDOWING_X11
875 screen = gtk_widget_get_screen(m_widget);
876 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
877 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
878 #else
879 deferShow = false;
880 #endif
881 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
882 // to m_decorSize, it breaks saving/restoring window size with
883 // GetSize()/SetSize() because it makes window bigger between each
884 // restore and save.
885 m_updateDecorSize = deferShow;
886 }
887
888 m_deferShow = deferShow;
889 }
890 if (deferShow)
891 {
892 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
893 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
894 // notification is received, so correct frame extents are known.
895 // This allows resizing m_widget to keep the overall size in sync with
896 // what wxWidgets expects it to be without an obvious change in the
897 // window size immediately after it becomes visible.
898
899 // Realize m_widget, so m_widget->window can be used. Realizing normally
900 // causes the widget tree to be size_allocated, which generates size
901 // events in the wrong order. However, the size_allocates will not be
902 // done if the allocation is not the default (1,1).
903 GtkAllocation alloc;
904 gtk_widget_get_allocation(m_widget, &alloc);
905 const int alloc_width = alloc.width;
906 if (alloc_width == 1)
907 {
908 alloc.width = 2;
909 gtk_widget_set_allocation(m_widget, &alloc);
910 }
911 gtk_widget_realize(m_widget);
912 if (alloc_width == 1)
913 {
914 alloc.width = 1;
915 gtk_widget_set_allocation(m_widget, &alloc);
916 }
917
918 #ifdef GDK_WINDOWING_X11
919 // send _NET_REQUEST_FRAME_EXTENTS
920 XClientMessageEvent xevent;
921 memset(&xevent, 0, sizeof(xevent));
922 xevent.type = ClientMessage;
923 GdkWindow* window = gtk_widget_get_window(m_widget);
924 xevent.window = GDK_WINDOW_XID(window);
925 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
926 gdk_window_get_display(window),
927 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
928 xevent.format = 32;
929 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
930 XSendEvent(display, DefaultRootWindow(display), false,
931 SubstructureNotifyMask | SubstructureRedirectMask,
932 (XEvent*)&xevent);
933 #endif // GDK_WINDOWING_X11
934
935 if (gs_requestFrameExtentsStatus == 0)
936 {
937 // if WM does not respond to request within 1 second,
938 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
939 m_netFrameExtentsTimerId =
940 g_timeout_add(1000, request_frame_extents_timeout, this);
941 }
942
943 // defer calling gtk_widget_show()
944 m_isShown = true;
945 return true;
946 }
947
948 if (show && !gtk_widget_get_realized(m_widget))
949 {
950 // size_allocate signals occur in reverse order (bottom to top).
951 // Things work better if the initial wxSizeEvents are sent (from the
952 // top down), before the initial size_allocate signals occur.
953 wxSizeEvent event(GetSize(), GetId());
954 event.SetEventObject(this);
955 HandleWindowEvent(event);
956 }
957
958 bool change = base_type::Show(show);
959
960 if (change && !show)
961 {
962 // make sure window has a non-default position, so when it is shown
963 // again, it won't be repositioned by WM as if it were a new window
964 // Note that this must be done _after_ the window is hidden.
965 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
966 }
967
968 return change;
969 }
970
971 void wxTopLevelWindowGTK::ShowWithoutActivating()
972 {
973 if (!m_isShown)
974 {
975 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
976
977 Show(true);
978 }
979 }
980
981 void wxTopLevelWindowGTK::Raise()
982 {
983 gtk_window_present( GTK_WINDOW( m_widget ) );
984 }
985
986 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
987 {
988 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
989 }
990
991 // ----------------------------------------------------------------------------
992 // window geometry
993 // ----------------------------------------------------------------------------
994
995 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
996 {
997 wxSize size(m_width, m_height);
998 size -= m_decorSize;
999 if (size.x < 0) size.x = 0;
1000 if (size.y < 0) size.y = 0;
1001 #if wxUSE_LIBHILDON2
1002 if (width) {
1003 if (size.x == 720)
1004 *width = 696;
1005 else
1006 *width = size.x;
1007 }
1008 if (height) {
1009 if (size.y == 420)
1010 *height = 396;
1011 else if (size.y == 270)
1012 *height = 246;
1013 else
1014 *height = size.y;
1015 }
1016 #else // wxUSE_LIBHILDON2
1017 if (width) *width = size.x;
1018 if (height) *height = size.y;
1019 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1020 }
1021
1022 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1023 {
1024 wxCHECK_RET( m_widget, wxT("invalid frame") );
1025
1026 m_deferShowAllowed = true;
1027
1028 // deal with the position first
1029 int old_x = m_x;
1030 int old_y = m_y;
1031
1032 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1033 {
1034 // -1 means "use existing" unless the flag above is specified
1035 if ( x != -1 )
1036 m_x = x;
1037 if ( y != -1 )
1038 m_y = y;
1039 }
1040 else // wxSIZE_ALLOW_MINUS_ONE
1041 {
1042 m_x = x;
1043 m_y = y;
1044 }
1045
1046 if ( m_x != old_x || m_y != old_y )
1047 {
1048 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1049 }
1050
1051 const wxSize oldSize(m_width, m_height);
1052 if (width >= 0)
1053 m_width = width;
1054 if (height >= 0)
1055 m_height = height;
1056 ConstrainSize();
1057 if (m_width < 1) m_width = 1;
1058 if (m_height < 1) m_height = 1;
1059 if (m_width != oldSize.x || m_height != oldSize.y)
1060 {
1061 int w, h;
1062 GTKDoGetSize(&w, &h);
1063 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1064
1065 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1066 wxSizeEvent event(GetSize(), GetId());
1067 event.SetEventObject(this);
1068 HandleWindowEvent(event);
1069 }
1070 }
1071
1072 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1073 {
1074 base_type::DoSetClientSize(width, height);
1075
1076 // Since client size is being explicitly set, don't change it later
1077 // Has to be done after calling base because it calls SetSize,
1078 // which sets this true
1079 m_deferShowAllowed = false;
1080 }
1081
1082 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1083 {
1084 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1085
1086 if ( IsIconized() )
1087 {
1088 // for consistency with wxMSW, client area is supposed to be empty for
1089 // the iconized windows
1090 if ( width )
1091 *width = 0;
1092 if ( height )
1093 *height = 0;
1094 }
1095 else
1096 {
1097 GTKDoGetSize(width, height);
1098 }
1099 }
1100
1101 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1102 int maxW, int maxH,
1103 int incW, int incH )
1104 {
1105 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1106 m_incWidth = incW;
1107 m_incHeight = incH;
1108
1109 const wxSize minSize = GetMinSize();
1110 const wxSize maxSize = GetMaxSize();
1111 GdkGeometry hints;
1112 // always set both min and max hints, otherwise GTK will
1113 // make assumptions we don't want about the unset values
1114 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1115 hints.min_width = 1;
1116 hints.min_height = 1;
1117 hints.max_width = INT_MAX;
1118 hints.max_height = INT_MAX;
1119 if (minSize.x > m_decorSize.x)
1120 hints.min_width = minSize.x - m_decorSize.x;
1121 if (minSize.y > m_decorSize.y)
1122 hints.min_height = minSize.y - m_decorSize.y;
1123 if (maxSize.x > 0)
1124 {
1125 hints.max_width = maxSize.x - m_decorSize.x;
1126 if (hints.max_width < hints.min_width)
1127 hints.max_width = hints.min_width;
1128 }
1129 if (maxSize.y > 0)
1130 {
1131 hints.max_height = maxSize.y - m_decorSize.y;
1132 if (hints.max_height < hints.min_height)
1133 hints.max_height = hints.min_height;
1134 }
1135 if (incW > 0 || incH > 0)
1136 {
1137 hints_mask |= GDK_HINT_RESIZE_INC;
1138 hints.width_inc = incW > 0 ? incW : 1;
1139 hints.height_inc = incH > 0 ? incH : 1;
1140 }
1141 gtk_window_set_geometry_hints(
1142 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1143 }
1144
1145 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1146 {
1147 if (!IsMaximized() && !IsFullScreen())
1148 GetCachedDecorSize() = decorSize;
1149 if (m_updateDecorSize && m_decorSize != decorSize)
1150 {
1151 const wxSize diff = decorSize - m_decorSize;
1152 m_decorSize = decorSize;
1153 bool resized = false;
1154 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1155 {
1156 // update size hints, they depend on m_decorSize
1157 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1158 }
1159 if (m_deferShow)
1160 {
1161 // keep overall size unchanged by shrinking m_widget
1162 int w, h;
1163 GTKDoGetSize(&w, &h);
1164 // but not if size would be less than minimum, it won't take effect
1165 if (w >= m_minWidth - decorSize.x && h >= m_minHeight - decorSize.y )
1166 {
1167 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1168 resized = true;
1169 }
1170 }
1171 if (!resized)
1172 {
1173 // adjust overall size to match change in frame extents
1174 m_width += diff.x;
1175 m_height += diff.y;
1176 if (m_width < 1) m_width = 1;
1177 if (m_height < 1) m_height = 1;
1178 m_oldClientWidth = 0;
1179 gtk_widget_queue_resize(m_wxwindow);
1180 }
1181 }
1182 if (m_deferShow)
1183 {
1184 // gtk_widget_show() was deferred, do it now
1185 m_deferShow = false;
1186 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1187 wxSizeEvent sizeEvent(GetSize(), GetId());
1188 sizeEvent.SetEventObject(this);
1189 HandleWindowEvent(sizeEvent);
1190
1191 gtk_widget_show(m_widget);
1192
1193 wxShowEvent showEvent(GetId(), true);
1194 showEvent.SetEventObject(this);
1195 HandleWindowEvent(showEvent);
1196 }
1197 }
1198
1199 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1200 {
1201 static wxSize size[8];
1202
1203 int index = 0;
1204 // title bar
1205 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1206 index = 1;
1207 // border
1208 if (m_gdkDecor & GDK_DECOR_BORDER)
1209 index |= 2;
1210 // utility window decor can be different
1211 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1212 index |= 4;
1213 return size[index];
1214 }
1215
1216 void wxTopLevelWindowGTK::OnInternalIdle()
1217 {
1218 wxTopLevelWindowBase::OnInternalIdle();
1219
1220 // Synthetize activate events.
1221 if ( g_sendActivateEvent != -1 )
1222 {
1223 bool activate = g_sendActivateEvent != 0;
1224
1225 // if (!activate) wxPrintf( wxT("de") );
1226 // wxPrintf( wxT("activate\n") );
1227
1228 // do it only once
1229 g_sendActivateEvent = -1;
1230
1231 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1232 }
1233 }
1234
1235 // ----------------------------------------------------------------------------
1236 // frame title/icon
1237 // ----------------------------------------------------------------------------
1238
1239 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1240 {
1241 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1242
1243 if ( title == m_title )
1244 return;
1245
1246 m_title = title;
1247
1248 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1249 }
1250
1251 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1252 {
1253 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1254
1255 base_type::SetIcons(icons);
1256
1257 // Setting icons before window is realized can cause a GTK assertion if
1258 // another TLW is realized before this one, and it has this one as it's
1259 // transient parent. The life demo exibits this problem.
1260 if (gtk_widget_get_realized(m_widget))
1261 {
1262 GList* list = NULL;
1263 for (size_t i = icons.GetIconCount(); i--;)
1264 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1265 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1266 g_list_free(list);
1267 }
1268 }
1269
1270 // ----------------------------------------------------------------------------
1271 // frame state: maximized/iconized/normal
1272 // ----------------------------------------------------------------------------
1273
1274 void wxTopLevelWindowGTK::Maximize(bool maximize)
1275 {
1276 if (maximize)
1277 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1278 else
1279 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1280 }
1281
1282 bool wxTopLevelWindowGTK::IsMaximized() const
1283 {
1284 GdkWindow* window = NULL;
1285 if (m_widget)
1286 window = gtk_widget_get_window(m_widget);
1287 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1288 }
1289
1290 void wxTopLevelWindowGTK::Restore()
1291 {
1292 // "Present" seems similar enough to "restore"
1293 gtk_window_present( GTK_WINDOW( m_widget ) );
1294 }
1295
1296 void wxTopLevelWindowGTK::Iconize( bool iconize )
1297 {
1298 if (iconize)
1299 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1300 else
1301 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1302 }
1303
1304 bool wxTopLevelWindowGTK::IsIconized() const
1305 {
1306 return m_isIconized;
1307 }
1308
1309 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1310 {
1311 if ( iconize != m_isIconized )
1312 {
1313 m_isIconized = iconize;
1314 (void)SendIconizeEvent(iconize);
1315 }
1316 }
1317
1318 void wxTopLevelWindowGTK::AddGrab()
1319 {
1320 if (!m_grabbed)
1321 {
1322 m_grabbed = true;
1323 gtk_grab_add( m_widget );
1324 wxGUIEventLoop().Run();
1325 gtk_grab_remove( m_widget );
1326 }
1327 }
1328
1329 void wxTopLevelWindowGTK::RemoveGrab()
1330 {
1331 if (m_grabbed)
1332 {
1333 gtk_main_quit();
1334 m_grabbed = false;
1335 }
1336 }
1337
1338 bool wxTopLevelWindowGTK::IsActive()
1339 {
1340 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1341 }
1342
1343 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1344 {
1345 bool new_hint_value = false;
1346
1347 // FIXME: This is a workaround to focus handling problem
1348 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1349 // hasn't yet been processed, and the internal focus system is not up to date yet.
1350 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1351 // won't have side effects) - MR
1352 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1353
1354 if(m_urgency_hint >= 0)
1355 g_source_remove(m_urgency_hint);
1356
1357 m_urgency_hint = -2;
1358
1359 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1360 {
1361 new_hint_value = true;
1362
1363 if (flags & wxUSER_ATTENTION_INFO)
1364 {
1365 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1366 } else {
1367 m_urgency_hint = -1;
1368 }
1369 }
1370
1371 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1372 }
1373
1374 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1375 {
1376 // Store which styles were changed
1377 long styleChanges = style ^ m_windowStyle;
1378
1379 // Process wxWindow styles. This also updates the internal variable
1380 // Therefore m_windowStyle bits carry now the _new_ style values
1381 wxWindow::SetWindowStyleFlag(style);
1382
1383 // just return for now if widget does not exist yet
1384 if (!m_widget)
1385 return;
1386
1387 if ( styleChanges & wxSTAY_ON_TOP )
1388 {
1389 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1390 m_windowStyle & wxSTAY_ON_TOP);
1391 }
1392
1393 if ( styleChanges & wxFRAME_NO_TASKBAR )
1394 {
1395 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1396 m_windowStyle & wxFRAME_NO_TASKBAR);
1397 }
1398 }
1399
1400 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1401 {
1402 GdkWindow* window = NULL;
1403 if (m_widget)
1404 window = gtk_widget_get_window(m_widget);
1405 if (window == NULL)
1406 return false;
1407
1408 #ifdef GDK_WINDOWING_X11
1409 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1410 Window win = GDK_WINDOW_XID(window);
1411
1412 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1413 if (alpha == 0xff)
1414 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1415 else
1416 {
1417 long opacity = alpha * 0x1010101L;
1418 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1419 XA_CARDINAL, 32, PropModeReplace,
1420 (unsigned char *) &opacity, 1L);
1421 }
1422 XSync(dpy, False);
1423 return true;
1424 #else // !GDK_WINDOWING_X11
1425 return false;
1426 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1427 }
1428
1429 bool wxTopLevelWindowGTK::CanSetTransparent()
1430 {
1431 // allow to override automatic detection as it's far from perfect
1432 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1433 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1434 {
1435 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1436 }
1437
1438 #ifdef __WXGTK3__
1439 return gtk_widget_is_composited(m_widget) != 0;
1440 #else
1441 #if GTK_CHECK_VERSION(2,10,0)
1442 if (!gtk_check_version(2,10,0))
1443 {
1444 return gtk_widget_is_composited(m_widget) != 0;
1445 }
1446 else
1447 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1448 {
1449 return false;
1450 }
1451 #endif // !__WXGTK3__
1452
1453 #if 0 // Don't be optimistic here for the sake of wxAUI
1454 int opcode, event, error;
1455 // Check for the existence of a RGBA visual instead?
1456 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1457 "Composite", &opcode, &event, &error);
1458 #endif
1459 }
wxWidgets (Impactor)