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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 #include <gdk/gdkx.h>
40
41 #include "wx/gtk/private/win_gtk.h"
42
43 #include "wx/unix/utilsx11.h"
44
45 // XA_CARDINAL
46 #include <X11/Xatom.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 //-----------------------------------------------------------------------------
76 // RequestUserAttention related functions
77 //-----------------------------------------------------------------------------
78
79 extern "C" {
80 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
81 gboolean setting)
82 {
83 wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
84 GdkWindow *window = GTK_WIDGET(win)->window;
85 XWMHints *wm_hints;
86
87 wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
88
89 if (!wm_hints)
90 wm_hints = XAllocWMHints();
91
92 if (setting)
93 wm_hints->flags |= XUrgencyHint;
94 else
95 wm_hints->flags &= ~XUrgencyHint;
96
97 XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
98 XFree(wm_hints);
99 }
100
101 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
102 {
103 #if GTK_CHECK_VERSION(2,7,0)
104 if(!gtk_check_version(2,7,0))
105 gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
106 else
107 #endif
108 wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
109
110 win->m_urgency_hint = -2;
111 return FALSE;
112 }
113 }
114
115 //-----------------------------------------------------------------------------
116 // "focus_in_event"
117 //-----------------------------------------------------------------------------
118
119 extern "C" {
120 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
121 GdkEvent *WXUNUSED(event),
122 wxTopLevelWindowGTK *win )
123 {
124 switch ( g_sendActivateEvent )
125 {
126 case -1:
127 // we've got focus from outside, synthetize wxActivateEvent
128 g_sendActivateEvent = 1;
129 break;
130
131 case 0:
132 // another our window just lost focus, it was already ours before
133 // - don't send any wxActivateEvent
134 g_sendActivateEvent = -1;
135 break;
136 }
137
138 g_activeFrame = win;
139 g_lastActiveFrame = g_activeFrame;
140
141 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
142
143 // MR: wxRequestUserAttention related block
144 switch( win->m_urgency_hint )
145 {
146 default:
147 g_source_remove( win->m_urgency_hint );
148 // no break, fallthrough to remove hint too
149 case -1:
150 #if GTK_CHECK_VERSION(2,7,0)
151 if(!gtk_check_version(2,7,0))
152 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
153 else
154 #endif
155 {
156 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
157 }
158
159 win->m_urgency_hint = -2;
160 break;
161
162 case -2: break;
163 }
164
165 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
166 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
167 event.SetEventObject(g_activeFrame);
168 g_activeFrame->HandleWindowEvent(event);
169
170 return FALSE;
171 }
172 }
173
174 //-----------------------------------------------------------------------------
175 // "focus_out_event"
176 //-----------------------------------------------------------------------------
177
178 extern "C" {
179 static
180 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
181 GdkEventFocus *WXUNUSED(gdk_event),
182 wxTopLevelWindowGTK * WXUNUSED(win))
183 {
184 // if the focus goes out of our app alltogether, OnIdle() will send
185 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
186 // g_sendActivateEvent to -1
187 g_sendActivateEvent = 0;
188
189 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
190
191 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
192
193 if (g_activeFrame)
194 {
195 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
196 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
197 event.SetEventObject(g_activeFrame);
198 g_activeFrame->HandleWindowEvent(event);
199
200 g_activeFrame = NULL;
201 }
202
203 return FALSE;
204 }
205 }
206
207 //-----------------------------------------------------------------------------
208 // "size_allocate" from m_wxwindow
209 //-----------------------------------------------------------------------------
210
211 extern "C" {
212 static void
213 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
214 {
215 if (win->m_oldClientWidth != alloc->width ||
216 win->m_oldClientHeight != alloc->height)
217 {
218 win->m_oldClientWidth = alloc->width;
219 win->m_oldClientHeight = alloc->height;
220
221 wxSize size(win->m_widget->allocation.width,
222 win->m_widget->allocation.height);
223 size += win->m_decorSize;
224 win->m_width = size.x;
225 win->m_height = size.y;
226
227 if (!win->IsIconized())
228 {
229 wxSizeEvent event(size, win->GetId());
230 event.SetEventObject(win);
231 win->HandleWindowEvent(event);
232 }
233 // else the window is currently unmapped, don't generate size events
234 }
235 }
236 }
237
238 // ----------------------------------------------------------------------------
239 // "size_request"
240 // ----------------------------------------------------------------------------
241
242 extern "C" {
243 static
244 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
245 GtkRequisition *requisition,
246 wxTopLevelWindowGTK *win)
247 {
248 // we must return the size of the window without WM decorations, otherwise
249 // GTK+ gets confused, so don't call just GetSize() here
250 win->GTKDoGetSize(&requisition->width, &requisition->height);
251 }
252 }
253
254 //-----------------------------------------------------------------------------
255 // "delete_event"
256 //-----------------------------------------------------------------------------
257
258 extern "C" {
259 static gboolean
260 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
261 GdkEvent *WXUNUSED(event),
262 wxTopLevelWindowGTK *win )
263 {
264 if (win->IsEnabled() &&
265 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
266 win->IsGrabbed()))
267 win->Close();
268
269 return TRUE;
270 }
271 }
272
273 //-----------------------------------------------------------------------------
274 // "configure_event"
275 //-----------------------------------------------------------------------------
276
277 extern "C" {
278 static gboolean
279 gtk_frame_configure_callback( GtkWidget* widget,
280 GdkEventConfigure *WXUNUSED(event),
281 wxTopLevelWindowGTK *win )
282 {
283 if (!win->m_hasVMT || !win->IsShown())
284 return FALSE;
285
286 wxPoint point;
287 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
288
289 win->m_x = point.x;
290 win->m_y = point.y;
291 wxMoveEvent mevent(point, win->GetId());
292 mevent.SetEventObject( win );
293 win->HandleWindowEvent( mevent );
294
295 return FALSE;
296 }
297 }
298
299 //-----------------------------------------------------------------------------
300 // "realize" from m_widget
301 //-----------------------------------------------------------------------------
302
303 // we cannot the WM hints and icons before the widget has been realized,
304 // so we do this directly after realization
305
306 extern "C" {
307 static void
308 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
309 wxTopLevelWindowGTK *win )
310 {
311 gdk_window_set_decorations(win->m_widget->window,
312 (GdkWMDecoration)win->m_gdkDecor);
313 gdk_window_set_functions(win->m_widget->window,
314 (GdkWMFunction)win->m_gdkFunc);
315
316 // GTK's shrinking/growing policy
317 if ( !(win->m_gdkFunc & GDK_FUNC_RESIZE) )
318 gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
319 else
320 gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
321
322 const wxIconBundle& icons = win->GetIcons();
323 if (icons.GetIconCount())
324 win->SetIcons(icons);
325
326 if (win->HasFlag(wxFRAME_SHAPED))
327 win->SetShape(win->m_shape); // it will really set the window shape now
328 }
329 }
330
331 //-----------------------------------------------------------------------------
332 // "map_event" from m_widget
333 //-----------------------------------------------------------------------------
334
335 extern "C" {
336 static gboolean
337 gtk_frame_map_callback( GtkWidget*,
338 GdkEvent * WXUNUSED(event),
339 wxTopLevelWindow *win )
340 {
341 const bool wasIconized = win->IsIconized();
342 win->SetIconizeState(false);
343 if (wasIconized)
344 {
345 // Because GetClientSize() returns (0,0) when IsIconized() is true,
346 // a size event must be generated, just in case GetClientSize() was
347 // called while iconized. This specifically happens when restoring a
348 // tlw that was "rolled up" with some WMs.
349 // Queue a resize rather than sending size event directly to allow
350 // children to be made visible first.
351 win->m_oldClientWidth = 0;
352 gtk_widget_queue_resize(win->m_wxwindow);
353 }
354 // it is possible for m_isShown to be false here, see bug #9909
355 if (win->wxWindowBase::Show(true))
356 {
357 wxShowEvent eventShow(win->GetId(), true);
358 eventShow.SetEventObject(win);
359 win->GetEventHandler()->ProcessEvent(eventShow);
360 }
361
362 #if GTK_CHECK_VERSION(2,6,0)
363 if (!gtk_check_version(2,6,0))
364 {
365 // restore focus-on-map setting in case ShowWithoutActivating() was called
366 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
367 }
368 #endif // GTK+ 2.6+
369
370 return false;
371 }
372 }
373
374 //-----------------------------------------------------------------------------
375 // "unmap_event" from m_widget
376 //-----------------------------------------------------------------------------
377
378 extern "C" {
379 static gboolean
380 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
381 GdkEvent * WXUNUSED(event),
382 wxTopLevelWindow *win )
383 {
384 win->SetIconizeState(true);
385 return false;
386 }
387 }
388
389 //-----------------------------------------------------------------------------
390
391 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
392 {
393 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
394 Atom xproperty = gdk_x11_atom_to_xatom_for_display(
395 gdk_drawable_get_display(window), property);
396 Atom type;
397 int format;
398 gulong nitems, bytes_after;
399 guchar* data;
400 Status status = XGetWindowProperty(
401 gdk_x11_drawable_get_xdisplay(window),
402 gdk_x11_drawable_get_xid(window),
403 xproperty,
404 0, 4, false, XA_CARDINAL,
405 &type, &format, &nitems, &bytes_after, &data);
406 const bool success = status == Success && data && nitems == 4;
407 if (success)
408 {
409 long* p = (long*)data;
410 if (left) *left = int(p[0]);
411 if (right) *right = int(p[1]);
412 if (top) *top = int(p[2]);
413 if (bottom) *bottom = int(p[3]);
414 }
415 if (data)
416 XFree(data);
417 return success;
418 }
419
420 //-----------------------------------------------------------------------------
421 // "property_notify_event" from m_widget
422 //-----------------------------------------------------------------------------
423
424 extern "C" {
425 static gboolean property_notify_event(
426 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
427 {
428 // Watch for changes to _NET_FRAME_EXTENTS property
429 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
430 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
431 {
432 wxSize decorSize = win->m_decorSize;
433 int left, right, top, bottom;
434 if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
435 decorSize.Set(left + right, top + bottom);
436
437 win->GTKUpdateDecorSize(decorSize);
438 }
439 return false;
440 }
441 }
442
443 // ----------------------------------------------------------------------------
444 // wxTopLevelWindowGTK creation
445 // ----------------------------------------------------------------------------
446
447 void wxTopLevelWindowGTK::Init()
448 {
449 m_mainWidget = NULL;
450 m_isIconized = false;
451 m_fsIsShowing = false;
452 m_themeEnabled = true;
453 m_gdkDecor =
454 m_gdkFunc = 0;
455 m_grabbed = false;
456 m_deferShow = true;
457 m_deferShowAllowed = true;
458 m_updateDecorSize = true;
459
460 m_urgency_hint = -2;
461 }
462
463 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
464 wxWindowID id,
465 const wxString& title,
466 const wxPoint& pos,
467 const wxSize& sizeOrig,
468 long style,
469 const wxString &name )
470 {
471 // always create a frame of some reasonable, even if arbitrary, size (at
472 // least for MSW compatibility)
473 wxSize size = sizeOrig;
474 size.x = WidthDefault(size.x);
475 size.y = HeightDefault(size.y);
476
477 wxTopLevelWindows.Append( this );
478
479 if (!PreCreation( parent, pos, size ) ||
480 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
481 {
482 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
483 return false;
484 }
485
486 m_title = title;
487
488 // NB: m_widget may be !=NULL if it was created by derived class' Create,
489 // e.g. in wxTaskBarIconAreaGTK
490 if (m_widget == NULL)
491 {
492 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
493 // we must create HildonWindow and not a normal GtkWindow as the latter
494 // doesn't look correctly in Maemo environment and it must also be
495 // registered with the main program object
496 m_widget = hildon_window_new();
497 hildon_program_add_window(wxTheApp->GetHildonProgram(),
498 HILDON_WINDOW(m_widget));
499 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
500 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
501 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
502 {
503 // Tell WM that this is a dialog window and make it center
504 // on parent by default (this is what GtkDialog ctor does):
505 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
506 GDK_WINDOW_TYPE_HINT_DIALOG);
507 gtk_window_set_position(GTK_WINDOW(m_widget),
508 GTK_WIN_POS_CENTER_ON_PARENT);
509 }
510 else
511 {
512 if (style & wxFRAME_TOOL_WINDOW)
513 {
514 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
515 GDK_WINDOW_TYPE_HINT_UTILITY);
516
517 // On some WMs, like KDE, a TOOL_WINDOW will still show
518 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
519 // For consistency between WMs and with Windows, we
520 // should set the NO_TASKBAR flag which will apply
521 // the set_skip_taskbar_hint if it is available,
522 // ensuring no taskbar entry will appear.
523 style |= wxFRAME_NO_TASKBAR;
524 }
525 }
526 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
527
528 g_object_ref(m_widget);
529 }
530
531 wxWindow *topParent = wxGetTopLevelParent(m_parent);
532 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
533 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
534 (style & wxFRAME_FLOAT_ON_PARENT)))
535 {
536 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
537 GTK_WINDOW(topParent->m_widget) );
538 }
539
540 if (style & wxFRAME_NO_TASKBAR)
541 {
542 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
543 }
544
545 if (style & wxSTAY_ON_TOP)
546 {
547 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
548 }
549 if (style & wxMAXIMIZE)
550 gtk_window_maximize(GTK_WINDOW(m_widget));
551
552 #if 0
553 if (!name.empty())
554 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
555 #endif
556
557 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
558 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
559
560 g_signal_connect (m_widget, "delete_event",
561 G_CALLBACK (gtk_frame_delete_callback), this);
562
563 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
564 m_mainWidget = gtk_vbox_new(false, 0);
565 gtk_widget_show( m_mainWidget );
566 GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
567 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
568
569 // m_wxwindow is the client area
570 m_wxwindow = wxPizza::New();
571 gtk_widget_show( m_wxwindow );
572 gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
573
574 // we donm't allow the frame to get the focus as otherwise
575 // the frame will grab it at arbitrary focus changes
576 GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
577
578 if (m_parent) m_parent->AddChild( this );
579
580 g_signal_connect(m_wxwindow, "size_allocate",
581 G_CALLBACK(size_allocate), this);
582
583 g_signal_connect (m_widget, "size_request",
584 G_CALLBACK (wxgtk_tlw_size_request_callback), this);
585 PostCreation();
586
587 if ((m_x != -1) || (m_y != -1))
588 gtk_widget_set_uposition( m_widget, m_x, m_y );
589
590 // we cannot set MWM hints and icons before the widget has
591 // been realized, so we do this directly after realization
592 g_signal_connect (m_widget, "realize",
593 G_CALLBACK (gtk_frame_realized_callback), this);
594
595 // map and unmap for iconized state
596 g_signal_connect (m_widget, "map_event",
597 G_CALLBACK (gtk_frame_map_callback), this);
598 g_signal_connect (m_widget, "unmap_event",
599 G_CALLBACK (gtk_frame_unmap_callback), this);
600
601 // for wxMoveEvent
602 g_signal_connect (m_widget, "configure_event",
603 G_CALLBACK (gtk_frame_configure_callback), this);
604
605 // activation
606 g_signal_connect_after (m_widget, "focus_in_event",
607 G_CALLBACK (gtk_frame_focus_in_callback), this);
608 g_signal_connect_after (m_widget, "focus_out_event",
609 G_CALLBACK (gtk_frame_focus_out_callback), this);
610
611 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
612 g_signal_connect(m_widget, "property_notify_event",
613 G_CALLBACK(property_notify_event), this);
614
615 // translate wx decorations styles into Motif WM hints (they are recognized
616 // by other WMs as well)
617
618 // always enable moving the window as we have no separate flag for enabling
619 // it
620 m_gdkFunc = GDK_FUNC_MOVE;
621
622 if ( style & wxCLOSE_BOX )
623 m_gdkFunc |= GDK_FUNC_CLOSE;
624
625 if ( style & wxMINIMIZE_BOX )
626 m_gdkFunc |= GDK_FUNC_MINIMIZE;
627
628 if ( style & wxMAXIMIZE_BOX )
629 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
630
631 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
632 {
633 m_gdkDecor = 0;
634 }
635 else // have border
636 {
637 m_gdkDecor = GDK_DECOR_BORDER;
638
639 if ( style & wxCAPTION )
640 m_gdkDecor |= GDK_DECOR_TITLE;
641
642 if ( style & wxSYSTEM_MENU )
643 m_gdkDecor |= GDK_DECOR_MENU;
644
645 if ( style & wxMINIMIZE_BOX )
646 m_gdkDecor |= GDK_DECOR_MINIMIZE;
647
648 if ( style & wxMAXIMIZE_BOX )
649 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
650
651 if ( style & wxRESIZE_BORDER )
652 {
653 m_gdkFunc |= GDK_FUNC_RESIZE;
654 m_gdkDecor |= GDK_DECOR_RESIZEH;
655 }
656 }
657
658 m_decorSize = GetCachedDecorSize();
659 int w, h;
660 GTKDoGetSize(&w, &h);
661 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
662
663 return true;
664 }
665
666 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
667 {
668 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
669 // it can also be a (standard) dialog
670 if ( HILDON_IS_WINDOW(m_widget) )
671 {
672 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
673 HILDON_WINDOW(m_widget));
674 }
675 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
676
677 if (m_grabbed)
678 {
679 wxFAIL_MSG(wxT("Window still grabbed"));
680 RemoveGrab();
681 }
682
683 SendDestroyEvent();
684
685 // it may also be GtkScrolledWindow in the case of an MDI child
686 if (GTK_IS_WINDOW(m_widget))
687 {
688 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
689 }
690
691 if (g_activeFrame == this)
692 g_activeFrame = NULL;
693 if (g_lastActiveFrame == this)
694 g_lastActiveFrame = NULL;
695 }
696
697 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
698 {
699 if (enable)
700 m_gdkFunc |= GDK_FUNC_CLOSE;
701 else
702 m_gdkFunc &= ~GDK_FUNC_CLOSE;
703
704 if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
705 gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
706
707 return true;
708 }
709
710 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
711 {
712 if (show == m_fsIsShowing)
713 return false; // return what?
714
715 m_fsIsShowing = show;
716
717 wxX11FullScreenMethod method =
718 wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
719 (WXWindow)GDK_ROOT_WINDOW());
720
721 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
722 // to switch to fullscreen, which is not always available. We must
723 // check if WM supports the spec and use legacy methods if it
724 // doesn't.
725 if ( method == wxX11_FS_WMSPEC )
726 {
727 if (show)
728 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
729 else
730 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
731 }
732 else
733 {
734 GdkWindow *window = m_widget->window;
735
736 if (show)
737 {
738 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
739 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
740
741 int screen_width,screen_height;
742 wxDisplaySize( &screen_width, &screen_height );
743
744 gint client_x, client_y, root_x, root_y;
745 gint width, height;
746
747 m_fsSaveGdkFunc = m_gdkFunc;
748 m_fsSaveGdkDecor = m_gdkDecor;
749 m_gdkFunc = m_gdkDecor = 0;
750 gdk_window_set_decorations(window, (GdkWMDecoration)0);
751 gdk_window_set_functions(window, (GdkWMFunction)0);
752
753 gdk_window_get_origin (m_widget->window, &root_x, &root_y);
754 gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
755 &width, &height, NULL);
756
757 gdk_window_move_resize (m_widget->window, -client_x, -client_y,
758 screen_width + 1, screen_height + 1);
759
760 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
761 (WXWindow)GDK_ROOT_WINDOW(),
762 (WXWindow)GDK_WINDOW_XWINDOW(window),
763 show, &m_fsSaveFrame, method);
764 }
765 else // hide
766 {
767 m_gdkFunc = m_fsSaveGdkFunc;
768 m_gdkDecor = m_fsSaveGdkDecor;
769 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
770 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
771
772 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
773 (WXWindow)GDK_ROOT_WINDOW(),
774 (WXWindow)GDK_WINDOW_XWINDOW(window),
775 show, &m_fsSaveFrame, method);
776
777 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
778 m_fsSaveFrame.width, m_fsSaveFrame.height);
779 }
780 }
781
782 // documented behaviour is to show the window if it's still hidden when
783 // showing it full screen
784 if (show)
785 Show();
786
787 return true;
788 }
789
790 // ----------------------------------------------------------------------------
791 // overridden wxWindow methods
792 // ----------------------------------------------------------------------------
793
794 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
795 {
796 wxCHECK_RET( m_widget, wxT("invalid frame") );
797
798 gtk_widget_queue_draw( m_widget );
799
800 if (m_wxwindow && m_wxwindow->window)
801 gdk_window_invalidate_rect( m_wxwindow->window, NULL, TRUE );
802 }
803
804 bool wxTopLevelWindowGTK::Show( bool show )
805 {
806 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
807
808 bool deferShow = show && !m_isShown && m_deferShow;
809 if (deferShow)
810 {
811 deferShow = m_deferShowAllowed && !GTK_WIDGET_REALIZED(m_widget);
812 if (deferShow)
813 {
814 deferShow = g_signal_handler_find(m_widget,
815 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
816 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
817 0, NULL, NULL, this) != 0;
818 }
819 GdkScreen* screen = NULL;
820 if (deferShow)
821 {
822 screen = gtk_widget_get_screen(m_widget);
823 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
824 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
825 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
826 // to m_decorSize, it breaks saving/restoring window size with
827 // GetSize()/SetSize() because it makes window bigger between each
828 // restore and save.
829 m_updateDecorSize = deferShow;
830 }
831 if (deferShow)
832 {
833 // Fluxbox support for _NET_REQUEST_FRAME_EXTENTS is broken
834 const char* name = gdk_x11_screen_get_window_manager_name(screen);
835 deferShow = strcmp(name, "Fluxbox") != 0;
836 m_updateDecorSize = deferShow;
837 }
838
839 m_deferShow = deferShow;
840 }
841 if (deferShow)
842 {
843 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
844 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
845 // notification is received, so correct frame extents are known.
846 // This allows resizing m_widget to keep the overall size in sync with
847 // what wxWidgets expects it to be without an obvious change in the
848 // window size immediately after it becomes visible.
849
850 // Realize m_widget, so m_widget->window can be used. Realizing normally
851 // causes the widget tree to be size_allocated, which generates size
852 // events in the wrong order. However, the size_allocates will not be
853 // done if the allocation is not the default (1,1).
854 const int alloc_width = m_widget->allocation.width;
855 if (alloc_width == 1)
856 m_widget->allocation.width = 2;
857 gtk_widget_realize(m_widget);
858 if (alloc_width == 1)
859 m_widget->allocation.width = 1;
860
861 // send _NET_REQUEST_FRAME_EXTENTS
862 XClientMessageEvent xevent;
863 memset(&xevent, 0, sizeof(xevent));
864 xevent.type = ClientMessage;
865 xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
866 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
867 gdk_drawable_get_display(m_widget->window),
868 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
869 xevent.format = 32;
870 Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
871 XSendEvent(display, DefaultRootWindow(display), false,
872 SubstructureNotifyMask | SubstructureRedirectMask,
873 (XEvent*)&xevent);
874
875 // defer calling gtk_widget_show()
876 m_isShown = true;
877 return true;
878 }
879
880 if (show && !GTK_WIDGET_REALIZED(m_widget))
881 {
882 // size_allocate signals occur in reverse order (bottom to top).
883 // Things work better if the initial wxSizeEvents are sent (from the
884 // top down), before the initial size_allocate signals occur.
885 wxSizeEvent event(GetSize(), GetId());
886 event.SetEventObject(this);
887 HandleWindowEvent(event);
888 }
889
890 bool change = base_type::Show(show);
891
892 if (change && !show)
893 {
894 // make sure window has a non-default position, so when it is shown
895 // again, it won't be repositioned by WM as if it were a new window
896 // Note that this must be done _after_ the window is hidden.
897 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
898 }
899
900 return change;
901 }
902
903 void wxTopLevelWindowGTK::ShowWithoutActivating()
904 {
905 if (!m_isShown)
906 {
907 #if GTK_CHECK_VERSION(2,6,0)
908 if (!gtk_check_version(2,6,0))
909 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
910 #endif // GTK+ 2.6+
911
912 Show(true);
913 }
914 }
915
916 void wxTopLevelWindowGTK::Raise()
917 {
918 gtk_window_present( GTK_WINDOW( m_widget ) );
919 }
920
921 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
922 {
923 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
924 }
925
926 // ----------------------------------------------------------------------------
927 // window geometry
928 // ----------------------------------------------------------------------------
929
930 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
931 {
932 wxSize size(m_width, m_height);
933 size -= m_decorSize;
934 if (size.x < 0) size.x = 0;
935 if (size.y < 0) size.y = 0;
936 #if wxUSE_LIBHILDON2
937 if (width) {
938 if (size.x == 720)
939 *width = 696;
940 else
941 *width = size.x;
942 }
943 if (height) {
944 if (size.y == 420)
945 *height = 396;
946 else if (size.y == 270)
947 *height = 246;
948 else
949 *height = size.y;
950 }
951 #else // wxUSE_LIBHILDON2
952 if (width) *width = size.x;
953 if (height) *height = size.y;
954 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
955 }
956
957 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
958 {
959 wxCHECK_RET( m_widget, wxT("invalid frame") );
960
961 m_deferShowAllowed = true;
962
963 // deal with the position first
964 int old_x = m_x;
965 int old_y = m_y;
966
967 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
968 {
969 // -1 means "use existing" unless the flag above is specified
970 if ( x != -1 )
971 m_x = x;
972 if ( y != -1 )
973 m_y = y;
974 }
975 else // wxSIZE_ALLOW_MINUS_ONE
976 {
977 m_x = x;
978 m_y = y;
979 }
980
981 if ( m_x != old_x || m_y != old_y )
982 {
983 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
984 }
985
986 const wxSize oldSize(m_width, m_height);
987 if (width >= 0)
988 m_width = width;
989 if (height >= 0)
990 m_height = height;
991 ConstrainSize();
992 if (m_width != oldSize.x || m_height != oldSize.y)
993 {
994 int w, h;
995 GTKDoGetSize(&w, &h);
996 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
997
998 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
999 wxSizeEvent event(GetSize(), GetId());
1000 event.SetEventObject(this);
1001 HandleWindowEvent(event);
1002 }
1003 }
1004
1005 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1006 {
1007 base_type::DoSetClientSize(width, height);
1008
1009 // Since client size is being explicitly set, don't change it later
1010 // Has to be done after calling base because it calls SetSize,
1011 // which sets this true
1012 m_deferShowAllowed = false;
1013 }
1014
1015 wxSize wxTopLevelWindowGTK::DoGetBestSize() const
1016 {
1017 // temporarily turn off m_isIconized,
1018 // so we get an accurate client size from DoGetClientSize
1019 const bool save = m_isIconized;
1020 const_cast<wxTopLevelWindowGTK*>(this)->m_isIconized = false;
1021 const wxSize size = base_type::DoGetBestSize();
1022 const_cast<wxTopLevelWindowGTK*>(this)->m_isIconized = save;
1023 return size;
1024 }
1025
1026 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1027 {
1028 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1029
1030 if ( IsIconized() )
1031 {
1032 // for consistency with wxMSW, client area is supposed to be empty for
1033 // the iconized windows
1034 if ( width )
1035 *width = 0;
1036 if ( height )
1037 *height = 0;
1038 }
1039 else
1040 {
1041 GTKDoGetSize(width, height);
1042 }
1043 }
1044
1045 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1046 int maxW, int maxH,
1047 int incW, int incH )
1048 {
1049 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1050
1051 const wxSize minSize = GetMinSize();
1052 const wxSize maxSize = GetMaxSize();
1053 GdkGeometry hints;
1054 int hints_mask = 0;
1055 if (minSize.x > 0 || minSize.y > 0)
1056 {
1057 hints_mask |= GDK_HINT_MIN_SIZE;
1058 hints.min_width = minSize.x - m_decorSize.x;
1059 if (hints.min_width < 0)
1060 hints.min_width = 0;
1061 hints.min_height = minSize.y - m_decorSize.y;
1062 if (hints.min_height < 0)
1063 hints.min_height = 0;
1064 }
1065 if (maxSize.x > 0 || maxSize.y > 0)
1066 {
1067 hints_mask |= GDK_HINT_MAX_SIZE;
1068 hints.max_width = maxSize.x - m_decorSize.x;
1069 if (hints.max_width < 0)
1070 hints.max_width = INT_MAX;
1071 hints.max_height = maxSize.y - m_decorSize.y;
1072 if (hints.max_height < 0)
1073 hints.max_height = INT_MAX;
1074 }
1075 if (incW > 0 || incH > 0)
1076 {
1077 hints_mask |= GDK_HINT_RESIZE_INC;
1078 hints.width_inc = incW > 0 ? incW : 1;
1079 hints.height_inc = incH > 0 ? incH : 1;
1080 }
1081 gtk_window_set_geometry_hints(
1082 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1083 }
1084
1085 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1086 {
1087 if (!IsMaximized() && !IsFullScreen())
1088 GetCachedDecorSize() = decorSize;
1089 if (m_updateDecorSize && m_decorSize != decorSize)
1090 {
1091 const wxSize diff = decorSize - m_decorSize;
1092 m_decorSize = decorSize;
1093 bool resized = false;
1094 if (m_deferShow)
1095 {
1096 // keep overall size unchanged by shrinking m_widget
1097 int w, h;
1098 GTKDoGetSize(&w, &h);
1099 // but not if size would be less than minimum, it won't take effect
1100 const wxSize minSize = GetMinSize();
1101 if (w >= minSize.x && h >= minSize.y)
1102 {
1103 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1104 resized = true;
1105 }
1106 }
1107 if (!resized)
1108 {
1109 // adjust overall size to match change in frame extents
1110 m_width += diff.x;
1111 m_height += diff.y;
1112 if (m_width < 0) m_width = 0;
1113 if (m_height < 0) m_height = 0;
1114 m_oldClientWidth = 0;
1115 gtk_widget_queue_resize(m_wxwindow);
1116 }
1117 }
1118 if (m_deferShow)
1119 {
1120 // gtk_widget_show() was deferred, do it now
1121 m_deferShow = false;
1122 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1123 wxSizeEvent sizeEvent(GetSize(), GetId());
1124 sizeEvent.SetEventObject(this);
1125 HandleWindowEvent(sizeEvent);
1126
1127 gtk_widget_show(m_widget);
1128
1129 wxShowEvent showEvent(GetId(), true);
1130 showEvent.SetEventObject(this);
1131 HandleWindowEvent(showEvent);
1132 }
1133 }
1134
1135 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1136 {
1137 static wxSize size[8];
1138
1139 int index = 0;
1140 // title bar
1141 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1142 index = 1;
1143 // border
1144 if (m_gdkDecor & GDK_DECOR_BORDER)
1145 index |= 2;
1146 // utility window decor can be different
1147 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1148 index |= 4;
1149 return size[index];
1150 }
1151
1152 void wxTopLevelWindowGTK::OnInternalIdle()
1153 {
1154 wxWindow::OnInternalIdle();
1155
1156 // Synthetize activate events.
1157 if ( g_sendActivateEvent != -1 )
1158 {
1159 bool activate = g_sendActivateEvent != 0;
1160
1161 // if (!activate) wxPrintf( wxT("de") );
1162 // wxPrintf( wxT("activate\n") );
1163
1164 // do it only once
1165 g_sendActivateEvent = -1;
1166
1167 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1168 }
1169 }
1170
1171 // ----------------------------------------------------------------------------
1172 // frame title/icon
1173 // ----------------------------------------------------------------------------
1174
1175 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1176 {
1177 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1178
1179 if ( title == m_title )
1180 return;
1181
1182 m_title = title;
1183
1184 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1185 }
1186
1187 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1188 {
1189 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1190
1191 base_type::SetIcons(icons);
1192
1193 // Setting icons before window is realized can cause a GTK assertion if
1194 // another TLW is realized before this one, and it has this one as it's
1195 // transient parent. The life demo exibits this problem.
1196 if (GTK_WIDGET_REALIZED(m_widget))
1197 {
1198 GList* list = NULL;
1199 for (size_t i = icons.GetIconCount(); i--;)
1200 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1201 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1202 g_list_free(list);
1203 }
1204 }
1205
1206 // ----------------------------------------------------------------------------
1207 // frame state: maximized/iconized/normal
1208 // ----------------------------------------------------------------------------
1209
1210 void wxTopLevelWindowGTK::Maximize(bool maximize)
1211 {
1212 if (maximize)
1213 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1214 else
1215 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1216 }
1217
1218 bool wxTopLevelWindowGTK::IsMaximized() const
1219 {
1220 if(!m_widget->window)
1221 return false;
1222
1223 return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1224 }
1225
1226 void wxTopLevelWindowGTK::Restore()
1227 {
1228 // "Present" seems similar enough to "restore"
1229 gtk_window_present( GTK_WINDOW( m_widget ) );
1230 }
1231
1232 void wxTopLevelWindowGTK::Iconize( bool iconize )
1233 {
1234 if (iconize)
1235 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1236 else
1237 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1238 }
1239
1240 bool wxTopLevelWindowGTK::IsIconized() const
1241 {
1242 return m_isIconized;
1243 }
1244
1245 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1246 {
1247 if ( iconize != m_isIconized )
1248 {
1249 m_isIconized = iconize;
1250 (void)SendIconizeEvent(iconize);
1251 }
1252 }
1253
1254 void wxTopLevelWindowGTK::AddGrab()
1255 {
1256 if (!m_grabbed)
1257 {
1258 m_grabbed = true;
1259 gtk_grab_add( m_widget );
1260 wxGUIEventLoop().Run();
1261 gtk_grab_remove( m_widget );
1262 }
1263 }
1264
1265 void wxTopLevelWindowGTK::RemoveGrab()
1266 {
1267 if (m_grabbed)
1268 {
1269 gtk_main_quit();
1270 m_grabbed = false;
1271 }
1272 }
1273
1274
1275 // helper
1276 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1277 {
1278 if (window)
1279 {
1280 if (region.IsEmpty())
1281 {
1282 gdk_window_shape_combine_mask(window, NULL, 0, 0);
1283 }
1284 else
1285 {
1286 gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1287 return true;
1288 }
1289 }
1290 return false;
1291 }
1292
1293
1294 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1295 {
1296 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1297 wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1298
1299 if ( GTK_WIDGET_REALIZED(m_widget) )
1300 {
1301 if ( m_wxwindow )
1302 do_shape_combine_region(m_wxwindow->window, region);
1303
1304 return do_shape_combine_region(m_widget->window, region);
1305 }
1306 else // not realized yet
1307 {
1308 // store the shape to set, it will be really set once we're realized
1309 m_shape = region;
1310
1311 // we don't know if we're going to succeed or fail, be optimistic by
1312 // default
1313 return true;
1314 }
1315 }
1316
1317 bool wxTopLevelWindowGTK::IsActive()
1318 {
1319 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1320 }
1321
1322 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1323 {
1324 bool new_hint_value = false;
1325
1326 // FIXME: This is a workaround to focus handling problem
1327 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1328 // hasn't yet been processed, and the internal focus system is not up to date yet.
1329 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1330 // won't have side effects) - MR
1331 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1332
1333 if(m_urgency_hint >= 0)
1334 g_source_remove(m_urgency_hint);
1335
1336 m_urgency_hint = -2;
1337
1338 if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1339 {
1340 new_hint_value = true;
1341
1342 if (flags & wxUSER_ATTENTION_INFO)
1343 {
1344 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1345 } else {
1346 m_urgency_hint = -1;
1347 }
1348 }
1349
1350 #if GTK_CHECK_VERSION(2,7,0)
1351 if(!gtk_check_version(2,7,0))
1352 gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1353 else
1354 #endif
1355 wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1356 }
1357
1358 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1359 {
1360 // Store which styles were changed
1361 long styleChanges = style ^ m_windowStyle;
1362
1363 // Process wxWindow styles. This also updates the internal variable
1364 // Therefore m_windowStyle bits carry now the _new_ style values
1365 wxWindow::SetWindowStyleFlag(style);
1366
1367 // just return for now if widget does not exist yet
1368 if (!m_widget)
1369 return;
1370
1371 if ( styleChanges & wxSTAY_ON_TOP )
1372 {
1373 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1374 m_windowStyle & wxSTAY_ON_TOP);
1375 }
1376
1377 if ( styleChanges & wxFRAME_NO_TASKBAR )
1378 {
1379 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1380 m_windowStyle & wxFRAME_NO_TASKBAR);
1381 }
1382 }
1383
1384 /* Get the X Window between child and the root window.
1385 This should usually be the WM managed XID */
1386 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1387 {
1388 Window root, parent;
1389 Window* children;
1390 unsigned int nchildren;
1391
1392 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1393 XFree(children);
1394
1395 while (parent != root) {
1396 child = parent;
1397 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1398 XFree(children);
1399 }
1400
1401 return child;
1402 }
1403
1404 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1405 {
1406 if (!m_widget || !m_widget->window)
1407 return false;
1408
1409 Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1410 // We need to get the X Window that has the root window as the immediate parent
1411 // and m_widget->window as a child. This should be the X Window that the WM manages and
1412 // from which the opacity property is checked from.
1413 Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1414
1415
1416 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1417 if (alpha == 0xff)
1418 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1419 else
1420 {
1421 long opacity = alpha * 0x1010101L;
1422 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1423 XA_CARDINAL, 32, PropModeReplace,
1424 (unsigned char *) &opacity, 1L);
1425 }
1426 XSync(dpy, False);
1427 return true;
1428 }
1429
1430 bool wxTopLevelWindowGTK::CanSetTransparent()
1431 {
1432 // allow to override automatic detection as it's far from perfect
1433 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1434 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1435 {
1436 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1437 }
1438
1439 #if GTK_CHECK_VERSION(2,10,0)
1440 if (!gtk_check_version(2,10,0))
1441 {
1442 return (gtk_widget_is_composited (m_widget));
1443 }
1444 else
1445 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1446 {
1447 return false;
1448 }
1449
1450 #if 0 // Don't be optimistic here for the sake of wxAUI
1451 int opcode, event, error;
1452 // Check for the existence of a RGBA visual instead?
1453 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1454 "Composite", &opcode, &event, &error);
1455 #endif
1456 }
wxWidgets (Impactor)