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Minor fixes to wxGTK3 with Broadway backend build.
[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 // restore focus-on-map setting in case ShowWithoutActivating() was called
358 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
359
360 return false;
361 }
362 }
363
364 //-----------------------------------------------------------------------------
365 // "window-state-event" from m_widget
366 //-----------------------------------------------------------------------------
367
368 extern "C" {
369 static gboolean
370 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
371 GdkEventWindowState *event,
372 wxTopLevelWindow *win )
373 {
374 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
375 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
376
377 // if maximized bit changed and it is now set
378 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
379 {
380 wxMaximizeEvent event(win->GetId());
381 event.SetEventObject(win);
382 win->HandleWindowEvent(event);
383 }
384
385 return false;
386 }
387 }
388
389 //-----------------------------------------------------------------------------
390
391 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
392 {
393 #ifdef GDK_WINDOWING_X11
394 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
395 GdkDisplay* display = gdk_window_get_display(window);
396 Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
397 Atom type;
398 int format;
399 gulong nitems, bytes_after;
400 guchar* data;
401 Status status = XGetWindowProperty(
402 GDK_DISPLAY_XDISPLAY(display),
403 GDK_WINDOW_XID(window),
404 xproperty,
405 0, 4, false, XA_CARDINAL,
406 &type, &format, &nitems, &bytes_after, &data);
407 const bool success = status == Success && data && nitems == 4;
408 if (success)
409 {
410 long* p = (long*)data;
411 if (left) *left = int(p[0]);
412 if (right) *right = int(p[1]);
413 if (top) *top = int(p[2]);
414 if (bottom) *bottom = int(p[3]);
415 }
416 if (data)
417 XFree(data);
418 return success;
419 #else
420 return false;
421 #endif
422 }
423
424 //-----------------------------------------------------------------------------
425 // "property_notify_event" from m_widget
426 //-----------------------------------------------------------------------------
427
428 extern "C" {
429 static gboolean property_notify_event(
430 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
431 {
432 // Watch for changes to _NET_FRAME_EXTENTS property
433 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
434 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
435 {
436 if (win->m_netFrameExtentsTimerId)
437 {
438 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
439 gs_requestFrameExtentsStatus = 1;
440 g_source_remove(win->m_netFrameExtentsTimerId);
441 win->m_netFrameExtentsTimerId = 0;
442 }
443
444 wxSize decorSize = win->m_decorSize;
445 int left, right, top, bottom;
446 if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
447 decorSize.Set(left + right, top + bottom);
448
449 win->GTKUpdateDecorSize(decorSize);
450 }
451 return false;
452 }
453 }
454
455 extern "C" {
456 static gboolean request_frame_extents_timeout(void* data)
457 {
458 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
459 gs_requestFrameExtentsStatus = 2;
460 gdk_threads_enter();
461 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
462 win->m_netFrameExtentsTimerId = 0;
463 wxSize decorSize = win->m_decorSize;
464 int left, right, top, bottom;
465 if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
466 decorSize.Set(left + right, top + bottom);
467 win->GTKUpdateDecorSize(decorSize);
468 gdk_threads_leave();
469 return false;
470 }
471 }
472
473 // ----------------------------------------------------------------------------
474 // wxTopLevelWindowGTK creation
475 // ----------------------------------------------------------------------------
476
477 void wxTopLevelWindowGTK::Init()
478 {
479 m_mainWidget = NULL;
480 m_isIconized = false;
481 m_fsIsShowing = false;
482 m_themeEnabled = true;
483 m_gdkDecor =
484 m_gdkFunc = 0;
485 m_grabbed = false;
486 m_deferShow = true;
487 m_deferShowAllowed = true;
488 m_updateDecorSize = true;
489 m_netFrameExtentsTimerId = 0;
490 m_incWidth = m_incHeight = 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 #ifndef __WXGTK3__
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, m_incWidth, m_incHeight);
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 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
760 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
761 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
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 Window xid = GDK_WINDOW_XID(window);
780
781 if (show)
782 {
783 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
784 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
785
786 GdkScreen* screen = gtk_widget_get_screen(m_widget);
787 const int screen_width = gdk_screen_get_width(screen);
788 const int screen_height = gdk_screen_get_height(screen);
789
790 gint client_x, client_y, root_x, root_y;
791 gint width, height;
792
793 m_fsSaveGdkFunc = m_gdkFunc;
794 m_fsSaveGdkDecor = m_gdkDecor;
795 m_gdkFunc = m_gdkDecor = 0;
796 gdk_window_set_decorations(window, (GdkWMDecoration)0);
797 gdk_window_set_functions(window, (GdkWMFunction)0);
798
799 gdk_window_get_origin(window, &root_x, &root_y);
800 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
801
802 gdk_window_move_resize(
803 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
804
805 wxSetFullScreenStateX11(xdpy,
806 (WXWindow)xroot,
807 (WXWindow)xid,
808 show, &m_fsSaveFrame, method);
809 }
810 else // hide
811 {
812 m_gdkFunc = m_fsSaveGdkFunc;
813 m_gdkDecor = m_fsSaveGdkDecor;
814 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
815 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
816
817 wxSetFullScreenStateX11(xdpy,
818 (WXWindow)xroot,
819 (WXWindow)xid,
820 show, &m_fsSaveFrame, method);
821
822 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
823 m_fsSaveFrame.width, m_fsSaveFrame.height);
824 }
825 }
826 #endif // GDK_WINDOWING_X11
827
828 // documented behaviour is to show the window if it's still hidden when
829 // showing it full screen
830 if (show)
831 Show();
832
833 return true;
834 }
835
836 // ----------------------------------------------------------------------------
837 // overridden wxWindow methods
838 // ----------------------------------------------------------------------------
839
840 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
841 {
842 wxCHECK_RET( m_widget, wxT("invalid frame") );
843
844 gtk_widget_queue_draw( m_widget );
845
846 GdkWindow* window = NULL;
847 if (m_wxwindow)
848 window = gtk_widget_get_window(m_wxwindow);
849 if (window)
850 gdk_window_invalidate_rect(window, NULL, true);
851 }
852
853 bool wxTopLevelWindowGTK::Show( bool show )
854 {
855 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
856
857 bool deferShow = show && !m_isShown && m_deferShow;
858 if (deferShow)
859 {
860 deferShow = gs_requestFrameExtentsStatus != 2 &&
861 m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
862 if (deferShow)
863 {
864 deferShow = g_signal_handler_find(m_widget,
865 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
866 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
867 0, NULL, NULL, this) != 0;
868 }
869 GdkScreen* screen = NULL;
870 if (deferShow)
871 {
872 #ifdef GDK_WINDOWING_X11
873 screen = gtk_widget_get_screen(m_widget);
874 #ifdef __WXGTK3__
875 if ( GDK_IS_X11_SCREEN(screen) )
876 #endif
877 {
878 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
879 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
880 }
881 #ifdef __WXGTK3__
882 else
883 #endif
884 #endif // GDK/X11
885 {
886 deferShow = false;
887 }
888
889 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
890 // to m_decorSize, it breaks saving/restoring window size with
891 // GetSize()/SetSize() because it makes window bigger between each
892 // restore and save.
893 m_updateDecorSize = deferShow;
894 }
895
896 m_deferShow = deferShow;
897 }
898 if (deferShow)
899 {
900 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
901 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
902 // notification is received, so correct frame extents are known.
903 // This allows resizing m_widget to keep the overall size in sync with
904 // what wxWidgets expects it to be without an obvious change in the
905 // window size immediately after it becomes visible.
906
907 // Realize m_widget, so m_widget->window can be used. Realizing normally
908 // causes the widget tree to be size_allocated, which generates size
909 // events in the wrong order. However, the size_allocates will not be
910 // done if the allocation is not the default (1,1).
911 GtkAllocation alloc;
912 gtk_widget_get_allocation(m_widget, &alloc);
913 const int alloc_width = alloc.width;
914 if (alloc_width == 1)
915 {
916 alloc.width = 2;
917 gtk_widget_set_allocation(m_widget, &alloc);
918 }
919 gtk_widget_realize(m_widget);
920 if (alloc_width == 1)
921 {
922 alloc.width = 1;
923 gtk_widget_set_allocation(m_widget, &alloc);
924 }
925
926 #ifdef GDK_WINDOWING_X11
927 // send _NET_REQUEST_FRAME_EXTENTS
928 XClientMessageEvent xevent;
929 memset(&xevent, 0, sizeof(xevent));
930 xevent.type = ClientMessage;
931 GdkWindow* window = gtk_widget_get_window(m_widget);
932 xevent.window = GDK_WINDOW_XID(window);
933 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
934 gdk_window_get_display(window),
935 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
936 xevent.format = 32;
937 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
938 XSendEvent(display, DefaultRootWindow(display), false,
939 SubstructureNotifyMask | SubstructureRedirectMask,
940 (XEvent*)&xevent);
941 #endif // GDK_WINDOWING_X11
942
943 if (gs_requestFrameExtentsStatus == 0)
944 {
945 // if WM does not respond to request within 1 second,
946 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
947 m_netFrameExtentsTimerId =
948 g_timeout_add(1000, request_frame_extents_timeout, this);
949 }
950
951 // defer calling gtk_widget_show()
952 m_isShown = true;
953 return true;
954 }
955
956 if (show && !gtk_widget_get_realized(m_widget))
957 {
958 // size_allocate signals occur in reverse order (bottom to top).
959 // Things work better if the initial wxSizeEvents are sent (from the
960 // top down), before the initial size_allocate signals occur.
961 wxSizeEvent event(GetSize(), GetId());
962 event.SetEventObject(this);
963 HandleWindowEvent(event);
964 }
965
966 bool change = base_type::Show(show);
967
968 if (change && !show)
969 {
970 // make sure window has a non-default position, so when it is shown
971 // again, it won't be repositioned by WM as if it were a new window
972 // Note that this must be done _after_ the window is hidden.
973 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
974 }
975
976 return change;
977 }
978
979 void wxTopLevelWindowGTK::ShowWithoutActivating()
980 {
981 if (!m_isShown)
982 {
983 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
984 Show(true);
985 }
986 }
987
988 void wxTopLevelWindowGTK::Raise()
989 {
990 gtk_window_present( GTK_WINDOW( m_widget ) );
991 }
992
993 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
994 {
995 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
996 }
997
998 // ----------------------------------------------------------------------------
999 // window geometry
1000 // ----------------------------------------------------------------------------
1001
1002 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1003 {
1004 wxSize size(m_width, m_height);
1005 size -= m_decorSize;
1006 if (size.x < 0) size.x = 0;
1007 if (size.y < 0) size.y = 0;
1008 #if wxUSE_LIBHILDON2
1009 if (width) {
1010 if (size.x == 720)
1011 *width = 696;
1012 else
1013 *width = size.x;
1014 }
1015 if (height) {
1016 if (size.y == 420)
1017 *height = 396;
1018 else if (size.y == 270)
1019 *height = 246;
1020 else
1021 *height = size.y;
1022 }
1023 #else // wxUSE_LIBHILDON2
1024 if (width) *width = size.x;
1025 if (height) *height = size.y;
1026 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1027 }
1028
1029 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1030 {
1031 wxCHECK_RET( m_widget, wxT("invalid frame") );
1032
1033 m_deferShowAllowed = true;
1034
1035 // deal with the position first
1036 int old_x = m_x;
1037 int old_y = m_y;
1038
1039 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1040 {
1041 // -1 means "use existing" unless the flag above is specified
1042 if ( x != -1 )
1043 m_x = x;
1044 if ( y != -1 )
1045 m_y = y;
1046 }
1047 else // wxSIZE_ALLOW_MINUS_ONE
1048 {
1049 m_x = x;
1050 m_y = y;
1051 }
1052
1053 if ( m_x != old_x || m_y != old_y )
1054 {
1055 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1056 }
1057
1058 const wxSize oldSize(m_width, m_height);
1059 if (width >= 0)
1060 m_width = width;
1061 if (height >= 0)
1062 m_height = height;
1063 ConstrainSize();
1064 if (m_width < 1) m_width = 1;
1065 if (m_height < 1) m_height = 1;
1066 if (m_width != oldSize.x || m_height != oldSize.y)
1067 {
1068 int w, h;
1069 GTKDoGetSize(&w, &h);
1070 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1071
1072 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1073 wxSizeEvent event(GetSize(), GetId());
1074 event.SetEventObject(this);
1075 HandleWindowEvent(event);
1076 }
1077 }
1078
1079 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1080 {
1081 base_type::DoSetClientSize(width, height);
1082
1083 // Since client size is being explicitly set, don't change it later
1084 // Has to be done after calling base because it calls SetSize,
1085 // which sets this true
1086 m_deferShowAllowed = false;
1087 }
1088
1089 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1090 {
1091 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1092
1093 if ( IsIconized() )
1094 {
1095 // for consistency with wxMSW, client area is supposed to be empty for
1096 // the iconized windows
1097 if ( width )
1098 *width = 0;
1099 if ( height )
1100 *height = 0;
1101 }
1102 else
1103 {
1104 GTKDoGetSize(width, height);
1105 }
1106 }
1107
1108 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1109 int maxW, int maxH,
1110 int incW, int incH )
1111 {
1112 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1113 m_incWidth = incW;
1114 m_incHeight = incH;
1115
1116 const wxSize minSize = GetMinSize();
1117 const wxSize maxSize = GetMaxSize();
1118 GdkGeometry hints;
1119 // always set both min and max hints, otherwise GTK will
1120 // make assumptions we don't want about the unset values
1121 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1122 hints.min_width = 1;
1123 hints.min_height = 1;
1124 hints.max_width = INT_MAX;
1125 hints.max_height = INT_MAX;
1126 if (minSize.x > m_decorSize.x)
1127 hints.min_width = minSize.x - m_decorSize.x;
1128 if (minSize.y > m_decorSize.y)
1129 hints.min_height = minSize.y - m_decorSize.y;
1130 if (maxSize.x > 0)
1131 {
1132 hints.max_width = maxSize.x - m_decorSize.x;
1133 if (hints.max_width < hints.min_width)
1134 hints.max_width = hints.min_width;
1135 }
1136 if (maxSize.y > 0)
1137 {
1138 hints.max_height = maxSize.y - m_decorSize.y;
1139 if (hints.max_height < hints.min_height)
1140 hints.max_height = hints.min_height;
1141 }
1142 if (incW > 0 || incH > 0)
1143 {
1144 hints_mask |= GDK_HINT_RESIZE_INC;
1145 hints.width_inc = incW > 0 ? incW : 1;
1146 hints.height_inc = incH > 0 ? incH : 1;
1147 }
1148 gtk_window_set_geometry_hints(
1149 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1150 }
1151
1152 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1153 {
1154 if (!IsMaximized() && !IsFullScreen())
1155 GetCachedDecorSize() = decorSize;
1156 if (m_updateDecorSize && m_decorSize != decorSize)
1157 {
1158 const wxSize diff = decorSize - m_decorSize;
1159 m_decorSize = decorSize;
1160 bool resized = false;
1161 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1162 {
1163 // update size hints, they depend on m_decorSize
1164 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1165 }
1166 if (m_deferShow)
1167 {
1168 // keep overall size unchanged by shrinking m_widget
1169 int w, h;
1170 GTKDoGetSize(&w, &h);
1171 // but not if size would be less than minimum, it won't take effect
1172 if (w >= m_minWidth - decorSize.x && h >= m_minHeight - decorSize.y )
1173 {
1174 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1175 resized = true;
1176 }
1177 }
1178 if (!resized)
1179 {
1180 // adjust overall size to match change in frame extents
1181 m_width += diff.x;
1182 m_height += diff.y;
1183 if (m_width < 1) m_width = 1;
1184 if (m_height < 1) m_height = 1;
1185 m_oldClientWidth = 0;
1186 gtk_widget_queue_resize(m_wxwindow);
1187 }
1188 }
1189 if (m_deferShow)
1190 {
1191 // gtk_widget_show() was deferred, do it now
1192 m_deferShow = false;
1193 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1194 wxSizeEvent sizeEvent(GetSize(), GetId());
1195 sizeEvent.SetEventObject(this);
1196 HandleWindowEvent(sizeEvent);
1197
1198 gtk_widget_show(m_widget);
1199
1200 wxShowEvent showEvent(GetId(), true);
1201 showEvent.SetEventObject(this);
1202 HandleWindowEvent(showEvent);
1203 }
1204 }
1205
1206 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1207 {
1208 static wxSize size[8];
1209
1210 int index = 0;
1211 // title bar
1212 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1213 index = 1;
1214 // border
1215 if (m_gdkDecor & GDK_DECOR_BORDER)
1216 index |= 2;
1217 // utility window decor can be different
1218 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1219 index |= 4;
1220 return size[index];
1221 }
1222
1223 void wxTopLevelWindowGTK::OnInternalIdle()
1224 {
1225 wxTopLevelWindowBase::OnInternalIdle();
1226
1227 // Synthetize activate events.
1228 if ( g_sendActivateEvent != -1 )
1229 {
1230 bool activate = g_sendActivateEvent != 0;
1231
1232 // if (!activate) wxPrintf( wxT("de") );
1233 // wxPrintf( wxT("activate\n") );
1234
1235 // do it only once
1236 g_sendActivateEvent = -1;
1237
1238 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1239 }
1240 }
1241
1242 // ----------------------------------------------------------------------------
1243 // frame title/icon
1244 // ----------------------------------------------------------------------------
1245
1246 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1247 {
1248 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1249
1250 if ( title == m_title )
1251 return;
1252
1253 m_title = title;
1254
1255 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1256 }
1257
1258 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1259 {
1260 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1261
1262 base_type::SetIcons(icons);
1263
1264 // Setting icons before window is realized can cause a GTK assertion if
1265 // another TLW is realized before this one, and it has this one as it's
1266 // transient parent. The life demo exibits this problem.
1267 if (gtk_widget_get_realized(m_widget))
1268 {
1269 GList* list = NULL;
1270 for (size_t i = icons.GetIconCount(); i--;)
1271 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1272 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1273 g_list_free(list);
1274 }
1275 }
1276
1277 // ----------------------------------------------------------------------------
1278 // frame state: maximized/iconized/normal
1279 // ----------------------------------------------------------------------------
1280
1281 void wxTopLevelWindowGTK::Maximize(bool maximize)
1282 {
1283 if (maximize)
1284 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1285 else
1286 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1287 }
1288
1289 bool wxTopLevelWindowGTK::IsMaximized() const
1290 {
1291 GdkWindow* window = NULL;
1292 if (m_widget)
1293 window = gtk_widget_get_window(m_widget);
1294 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1295 }
1296
1297 void wxTopLevelWindowGTK::Restore()
1298 {
1299 // "Present" seems similar enough to "restore"
1300 gtk_window_present( GTK_WINDOW( m_widget ) );
1301 }
1302
1303 void wxTopLevelWindowGTK::Iconize( bool iconize )
1304 {
1305 if (iconize)
1306 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1307 else
1308 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1309 }
1310
1311 bool wxTopLevelWindowGTK::IsIconized() const
1312 {
1313 return m_isIconized;
1314 }
1315
1316 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1317 {
1318 if ( iconize != m_isIconized )
1319 {
1320 m_isIconized = iconize;
1321 (void)SendIconizeEvent(iconize);
1322 }
1323 }
1324
1325 void wxTopLevelWindowGTK::AddGrab()
1326 {
1327 if (!m_grabbed)
1328 {
1329 m_grabbed = true;
1330 gtk_grab_add( m_widget );
1331 wxGUIEventLoop().Run();
1332 gtk_grab_remove( m_widget );
1333 }
1334 }
1335
1336 void wxTopLevelWindowGTK::RemoveGrab()
1337 {
1338 if (m_grabbed)
1339 {
1340 gtk_main_quit();
1341 m_grabbed = false;
1342 }
1343 }
1344
1345 bool wxTopLevelWindowGTK::IsActive()
1346 {
1347 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1348 }
1349
1350 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1351 {
1352 bool new_hint_value = false;
1353
1354 // FIXME: This is a workaround to focus handling problem
1355 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1356 // hasn't yet been processed, and the internal focus system is not up to date yet.
1357 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1358 // won't have side effects) - MR
1359 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1360
1361 if(m_urgency_hint >= 0)
1362 g_source_remove(m_urgency_hint);
1363
1364 m_urgency_hint = -2;
1365
1366 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1367 {
1368 new_hint_value = true;
1369
1370 if (flags & wxUSER_ATTENTION_INFO)
1371 {
1372 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1373 } else {
1374 m_urgency_hint = -1;
1375 }
1376 }
1377
1378 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1379 }
1380
1381 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1382 {
1383 // Store which styles were changed
1384 long styleChanges = style ^ m_windowStyle;
1385
1386 // Process wxWindow styles. This also updates the internal variable
1387 // Therefore m_windowStyle bits carry now the _new_ style values
1388 wxWindow::SetWindowStyleFlag(style);
1389
1390 // just return for now if widget does not exist yet
1391 if (!m_widget)
1392 return;
1393
1394 if ( styleChanges & wxSTAY_ON_TOP )
1395 {
1396 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1397 m_windowStyle & wxSTAY_ON_TOP);
1398 }
1399
1400 if ( styleChanges & wxFRAME_NO_TASKBAR )
1401 {
1402 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1403 m_windowStyle & wxFRAME_NO_TASKBAR);
1404 }
1405 }
1406
1407 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1408 {
1409 GdkWindow* window = NULL;
1410 if (m_widget)
1411 window = gtk_widget_get_window(m_widget);
1412 if (window == NULL)
1413 return false;
1414
1415 #ifdef GDK_WINDOWING_X11
1416 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1417 Window win = GDK_WINDOW_XID(window);
1418
1419 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1420 if (alpha == 0xff)
1421 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1422 else
1423 {
1424 long opacity = alpha * 0x1010101L;
1425 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1426 XA_CARDINAL, 32, PropModeReplace,
1427 (unsigned char *) &opacity, 1L);
1428 }
1429 XSync(dpy, False);
1430 return true;
1431 #else // !GDK_WINDOWING_X11
1432 return false;
1433 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1434 }
1435
1436 bool wxTopLevelWindowGTK::CanSetTransparent()
1437 {
1438 // allow to override automatic detection as it's far from perfect
1439 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1440 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1441 {
1442 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1443 }
1444
1445 #ifdef __WXGTK3__
1446 return gtk_widget_is_composited(m_widget) != 0;
1447 #else
1448 #if GTK_CHECK_VERSION(2,10,0)
1449 if (!gtk_check_version(2,10,0))
1450 {
1451 return gtk_widget_is_composited(m_widget) != 0;
1452 }
1453 else
1454 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1455 {
1456 return false;
1457 }
1458 #endif // !__WXGTK3__
1459
1460 #if 0 // Don't be optimistic here for the sake of wxAUI
1461 int opcode, event, error;
1462 // Check for the existence of a RGBA visual instead?
1463 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1464 "Composite", &opcode, &event, &error);
1465 #endif
1466 }
wxWidgets (Impactor)