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Make wxEventLoop::AddSourceForFD() static.
[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 // "key_press_event"
213 // ----------------------------------------------------------------------------
214
215 extern "C" {
216 static gboolean
217 wxgtk_tlw_key_press_event(GtkWidget *widget, GdkEventKey *event)
218 {
219 GtkWindow* const window = GTK_WINDOW(widget);
220
221 // By default GTK+ checks for the menu accelerators in this (top level)
222 // window first and then propagates the event to the currently focused
223 // child from where it bubbles up the window parent chain. In wxWidgets,
224 // however, we want the child window to have the event first but still
225 // handle it as an accelerator if it's not processed there, so we need to
226 // customize this by reversing the order of the steps done in the standard
227 // GTK+ gtk_window_key_press_event() handler.
228
229 if ( gtk_window_propagate_key_event(window, event) )
230 return TRUE;
231
232 if ( gtk_window_activate_key(window, event) )
233 return TRUE;
234
235 if (GTK_WIDGET_GET_CLASS(widget)->key_press_event(widget, event))
236 return TRUE;
237
238 return FALSE;
239 }
240 }
241
242 //-----------------------------------------------------------------------------
243 // "size_allocate" from m_wxwindow
244 //-----------------------------------------------------------------------------
245
246 extern "C" {
247 static void
248 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
249 {
250 win->m_useCachedClientSize = true;
251 if (win->m_clientWidth != alloc->width ||
252 win->m_clientHeight != alloc->height)
253 {
254 win->m_clientWidth = alloc->width;
255 win->m_clientHeight = alloc->height;
256
257 GtkAllocation a;
258 gtk_widget_get_allocation(win->m_widget, &a);
259 wxSize size(a.width, a.height);
260 size += win->m_decorSize;
261 win->m_width = size.x;
262 win->m_height = size.y;
263
264 if (!win->IsIconized())
265 {
266 wxSizeEvent event(size, win->GetId());
267 event.SetEventObject(win);
268 win->HandleWindowEvent(event);
269 }
270 // else the window is currently unmapped, don't generate size events
271 }
272 }
273 }
274
275 //-----------------------------------------------------------------------------
276 // "delete_event"
277 //-----------------------------------------------------------------------------
278
279 extern "C" {
280 static gboolean
281 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
282 GdkEvent *WXUNUSED(event),
283 wxTopLevelWindowGTK *win )
284 {
285 if (win->IsEnabled() &&
286 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
287 win->IsGrabbed()))
288 win->Close();
289
290 return TRUE;
291 }
292 }
293
294 //-----------------------------------------------------------------------------
295 // "configure_event"
296 //-----------------------------------------------------------------------------
297
298 extern "C" {
299 static gboolean
300 gtk_frame_configure_callback( GtkWidget* widget,
301 GdkEventConfigure *WXUNUSED(event),
302 wxTopLevelWindowGTK *win )
303 {
304 if (!win->IsShown())
305 return FALSE;
306
307 wxPoint point;
308 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
309
310 win->m_x = point.x;
311 win->m_y = point.y;
312 wxMoveEvent mevent(point, win->GetId());
313 mevent.SetEventObject( win );
314 win->HandleWindowEvent( mevent );
315
316 return FALSE;
317 }
318 }
319
320 //-----------------------------------------------------------------------------
321 // "realize" from m_widget
322 //-----------------------------------------------------------------------------
323
324 // we cannot the WM hints and icons before the widget has been realized,
325 // so we do this directly after realization
326
327 void wxTopLevelWindowGTK::GTKHandleRealized()
328 {
329 wxNonOwnedWindow::GTKHandleRealized();
330
331 gdk_window_set_decorations(gtk_widget_get_window(m_widget),
332 (GdkWMDecoration)m_gdkDecor);
333 gdk_window_set_functions(gtk_widget_get_window(m_widget),
334 (GdkWMFunction)m_gdkFunc);
335
336 // GTK's shrinking/growing policy
337 if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
338 gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
339 #ifndef __WXGTK3__
340 else
341 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
342 #endif
343
344 const wxIconBundle& icons = GetIcons();
345 if (icons.GetIconCount())
346 SetIcons(icons);
347
348 #ifdef __WXGTK3__
349 if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
350 {
351 // Grip window can end up obscured, probably due to deferred show.
352 // Reset grip to ensure it is visible.
353 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
354 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
355 }
356 #endif
357 }
358
359 //-----------------------------------------------------------------------------
360 // "map_event" from m_widget
361 //-----------------------------------------------------------------------------
362
363 extern "C" {
364 static gboolean
365 gtk_frame_map_callback( GtkWidget*,
366 GdkEvent * WXUNUSED(event),
367 wxTopLevelWindow *win )
368 {
369 const bool wasIconized = win->IsIconized();
370 if (wasIconized)
371 {
372 // Because GetClientSize() returns (0,0) when IsIconized() is true,
373 // a size event must be generated, just in case GetClientSize() was
374 // called while iconized. This specifically happens when restoring a
375 // tlw that was "rolled up" with some WMs.
376 // Queue a resize rather than sending size event directly to allow
377 // children to be made visible first.
378 win->m_useCachedClientSize = false;
379 win->m_clientWidth = 0;
380 gtk_widget_queue_resize(win->m_wxwindow);
381 }
382 // it is possible for m_isShown to be false here, see bug #9909
383 if (win->wxWindowBase::Show(true))
384 {
385 wxShowEvent eventShow(win->GetId(), true);
386 eventShow.SetEventObject(win);
387 win->GetEventHandler()->ProcessEvent(eventShow);
388 }
389
390 // restore focus-on-map setting in case ShowWithoutActivating() was called
391 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
392
393 return false;
394 }
395 }
396
397 //-----------------------------------------------------------------------------
398 // "window-state-event" from m_widget
399 //-----------------------------------------------------------------------------
400
401 extern "C" {
402 static gboolean
403 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
404 GdkEventWindowState *event,
405 wxTopLevelWindow *win )
406 {
407 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
408 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
409
410 // if maximized bit changed and it is now set
411 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
412 {
413 wxMaximizeEvent evt(win->GetId());
414 evt.SetEventObject(win);
415 win->HandleWindowEvent(evt);
416 }
417
418 if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
419 win->m_fsIsShowing = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
420
421 return false;
422 }
423 }
424
425 //-----------------------------------------------------------------------------
426
427 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
428 {
429 #ifdef GDK_WINDOWING_X11
430 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
431 GdkDisplay* display = gdk_window_get_display(window);
432 Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
433 Atom type;
434 int format;
435 gulong nitems, bytes_after;
436 guchar* data;
437 Status status = XGetWindowProperty(
438 GDK_DISPLAY_XDISPLAY(display),
439 GDK_WINDOW_XID(window),
440 xproperty,
441 0, 4, false, XA_CARDINAL,
442 &type, &format, &nitems, &bytes_after, &data);
443 const bool success = status == Success && data && nitems == 4;
444 if (success)
445 {
446 long* p = (long*)data;
447 if (left) *left = int(p[0]);
448 if (right) *right = int(p[1]);
449 if (top) *top = int(p[2]);
450 if (bottom) *bottom = int(p[3]);
451 }
452 if (data)
453 XFree(data);
454 return success;
455 #else
456 return false;
457 #endif
458 }
459
460 #ifdef GDK_WINDOWING_X11
461 //-----------------------------------------------------------------------------
462 // "property_notify_event" from m_widget
463 //-----------------------------------------------------------------------------
464
465 extern "C" {
466 static gboolean property_notify_event(
467 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
468 {
469 // Watch for changes to _NET_FRAME_EXTENTS property
470 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
471 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
472 {
473 if (win->m_netFrameExtentsTimerId)
474 {
475 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
476 gs_requestFrameExtentsStatus = 1;
477 g_source_remove(win->m_netFrameExtentsTimerId);
478 win->m_netFrameExtentsTimerId = 0;
479 }
480
481 wxSize decorSize = win->m_decorSize;
482 int left, right, top, bottom;
483 if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
484 decorSize.Set(left + right, top + bottom);
485
486 win->GTKUpdateDecorSize(decorSize);
487 }
488 return false;
489 }
490 }
491
492 extern "C" {
493 static gboolean request_frame_extents_timeout(void* data)
494 {
495 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
496 gs_requestFrameExtentsStatus = 2;
497 gdk_threads_enter();
498 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
499 win->m_netFrameExtentsTimerId = 0;
500 wxSize decorSize = win->m_decorSize;
501 int left, right, top, bottom;
502 if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
503 decorSize.Set(left + right, top + bottom);
504 win->GTKUpdateDecorSize(decorSize);
505 gdk_threads_leave();
506 return false;
507 }
508 }
509 #endif // GDK_WINDOWING_X11
510
511 // ----------------------------------------------------------------------------
512 // wxTopLevelWindowGTK creation
513 // ----------------------------------------------------------------------------
514
515 void wxTopLevelWindowGTK::Init()
516 {
517 m_mainWidget = NULL;
518 m_isIconized = false;
519 m_fsIsShowing = false;
520 m_themeEnabled = true;
521 m_gdkDecor =
522 m_gdkFunc = 0;
523 m_grabbed = false;
524 m_deferShow = true;
525 m_deferShowAllowed = true;
526 m_updateDecorSize = true;
527 m_netFrameExtentsTimerId = 0;
528 m_incWidth = m_incHeight = 0;
529
530 m_urgency_hint = -2;
531 }
532
533 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
534 wxWindowID id,
535 const wxString& title,
536 const wxPoint& pos,
537 const wxSize& sizeOrig,
538 long style,
539 const wxString &name )
540 {
541 // always create a frame of some reasonable, even if arbitrary, size (at
542 // least for MSW compatibility)
543 wxSize size = sizeOrig;
544 size.x = WidthDefault(size.x);
545 size.y = HeightDefault(size.y);
546
547 wxTopLevelWindows.Append( this );
548
549 if (!PreCreation( parent, pos, size ) ||
550 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
551 {
552 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
553 return false;
554 }
555
556 m_title = title;
557
558 // NB: m_widget may be !=NULL if it was created by derived class' Create,
559 // e.g. in wxTaskBarIconAreaGTK
560 if (m_widget == NULL)
561 {
562 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
563 // we must create HildonWindow and not a normal GtkWindow as the latter
564 // doesn't look correctly in Maemo environment and it must also be
565 // registered with the main program object
566 m_widget = hildon_window_new();
567 hildon_program_add_window(wxTheApp->GetHildonProgram(),
568 HILDON_WINDOW(m_widget));
569 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
570 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
571 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
572 {
573 // Tell WM that this is a dialog window and make it center
574 // on parent by default (this is what GtkDialog ctor does):
575 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
576 GDK_WINDOW_TYPE_HINT_DIALOG);
577 gtk_window_set_position(GTK_WINDOW(m_widget),
578 GTK_WIN_POS_CENTER_ON_PARENT);
579 }
580 else
581 {
582 if (style & wxFRAME_TOOL_WINDOW)
583 {
584 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
585 GDK_WINDOW_TYPE_HINT_UTILITY);
586
587 // On some WMs, like KDE, a TOOL_WINDOW will still show
588 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
589 // For consistency between WMs and with Windows, we
590 // should set the NO_TASKBAR flag which will apply
591 // the set_skip_taskbar_hint if it is available,
592 // ensuring no taskbar entry will appear.
593 style |= wxFRAME_NO_TASKBAR;
594 }
595 }
596 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
597
598 g_object_ref(m_widget);
599 }
600
601 wxWindow *topParent = wxGetTopLevelParent(m_parent);
602 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
603 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
604 (style & wxFRAME_FLOAT_ON_PARENT)))
605 {
606 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
607 GTK_WINDOW(topParent->m_widget) );
608 }
609
610 if (style & wxFRAME_NO_TASKBAR)
611 {
612 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
613 }
614
615 if (style & wxSTAY_ON_TOP)
616 {
617 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
618 }
619 if (style & wxMAXIMIZE)
620 gtk_window_maximize(GTK_WINDOW(m_widget));
621
622 #if 0
623 if (!name.empty())
624 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
625 #endif
626
627 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
628 gtk_widget_set_can_focus(m_widget, false);
629
630 g_signal_connect (m_widget, "delete_event",
631 G_CALLBACK (gtk_frame_delete_callback), this);
632
633 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
634 m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
635 gtk_widget_show( m_mainWidget );
636 gtk_widget_set_can_focus(m_mainWidget, false);
637 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
638
639 // m_wxwindow is the client area
640 m_wxwindow = wxPizza::New();
641 gtk_widget_show( m_wxwindow );
642 gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
643
644 // we donm't allow the frame to get the focus as otherwise
645 // the frame will grab it at arbitrary focus changes
646 gtk_widget_set_can_focus(m_wxwindow, false);
647
648 if (m_parent) m_parent->AddChild( this );
649
650 g_signal_connect(m_wxwindow, "size_allocate",
651 G_CALLBACK(size_allocate), this);
652
653 PostCreation();
654
655 #ifndef __WXGTK3__
656 if ((m_x != -1) || (m_y != -1))
657 gtk_widget_set_uposition( m_widget, m_x, m_y );
658 #endif
659
660 // for some reported size corrections
661 g_signal_connect (m_widget, "map_event",
662 G_CALLBACK (gtk_frame_map_callback), this);
663
664 // for iconized state
665 g_signal_connect (m_widget, "window_state_event",
666 G_CALLBACK (gtk_frame_window_state_callback), this);
667
668
669 // for wxMoveEvent
670 g_signal_connect (m_widget, "configure_event",
671 G_CALLBACK (gtk_frame_configure_callback), this);
672
673 // activation
674 g_signal_connect_after (m_widget, "focus_in_event",
675 G_CALLBACK (gtk_frame_focus_in_callback), this);
676 g_signal_connect_after (m_widget, "focus_out_event",
677 G_CALLBACK (gtk_frame_focus_out_callback), this);
678
679 // We need to customize the default GTK+ logic for key processing to make
680 // it conforming to wxWidgets event processing order.
681 g_signal_connect (m_widget, "key_press_event",
682 G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
683
684 #ifdef GDK_WINDOWING_X11
685 #ifdef __WXGTK3__
686 if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
687 #endif
688 {
689 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
690 g_signal_connect(m_widget, "property_notify_event",
691 G_CALLBACK(property_notify_event), this);
692 }
693 #endif // GDK_WINDOWING_X11
694
695 // translate wx decorations styles into Motif WM hints (they are recognized
696 // by other WMs as well)
697
698 // always enable moving the window as we have no separate flag for enabling
699 // it
700 m_gdkFunc = GDK_FUNC_MOVE;
701
702 if ( style & wxCLOSE_BOX )
703 m_gdkFunc |= GDK_FUNC_CLOSE;
704
705 if ( style & wxMINIMIZE_BOX )
706 m_gdkFunc |= GDK_FUNC_MINIMIZE;
707
708 if ( style & wxMAXIMIZE_BOX )
709 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
710
711 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
712 {
713 m_gdkDecor = 0;
714 }
715 else // have border
716 {
717 m_gdkDecor = GDK_DECOR_BORDER;
718
719 if ( style & wxCAPTION )
720 m_gdkDecor |= GDK_DECOR_TITLE;
721
722 if ( style & wxSYSTEM_MENU )
723 m_gdkDecor |= GDK_DECOR_MENU;
724
725 if ( style & wxMINIMIZE_BOX )
726 m_gdkDecor |= GDK_DECOR_MINIMIZE;
727
728 if ( style & wxMAXIMIZE_BOX )
729 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
730
731 if ( style & wxRESIZE_BORDER )
732 {
733 m_gdkFunc |= GDK_FUNC_RESIZE;
734 m_gdkDecor |= GDK_DECOR_RESIZEH;
735 }
736 }
737
738 // GTK sometimes chooses very small size if max size hint is not explicitly set
739 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
740
741 m_decorSize = GetCachedDecorSize();
742 int w, h;
743 GTKDoGetSize(&w, &h);
744 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
745
746 return true;
747 }
748
749 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
750 {
751 if ( m_netFrameExtentsTimerId )
752 {
753 // Don't let the timer callback fire as the window pointer passed to it
754 // will become invalid very soon.
755 g_source_remove(m_netFrameExtentsTimerId);
756 }
757
758 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
759 // it can also be a (standard) dialog
760 if ( HILDON_IS_WINDOW(m_widget) )
761 {
762 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
763 HILDON_WINDOW(m_widget));
764 }
765 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
766
767 if (m_grabbed)
768 {
769 wxFAIL_MSG(wxT("Window still grabbed"));
770 RemoveGrab();
771 }
772
773 SendDestroyEvent();
774
775 // it may also be GtkScrolledWindow in the case of an MDI child
776 if (GTK_IS_WINDOW(m_widget))
777 {
778 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
779 }
780
781 if (g_activeFrame == this)
782 g_activeFrame = NULL;
783 if (g_lastActiveFrame == this)
784 g_lastActiveFrame = NULL;
785 }
786
787 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
788 {
789 if (enable)
790 m_gdkFunc |= GDK_FUNC_CLOSE;
791 else
792 m_gdkFunc &= ~GDK_FUNC_CLOSE;
793
794 GdkWindow* window = gtk_widget_get_window(m_widget);
795 if (window)
796 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
797
798 return true;
799 }
800
801 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
802 {
803 if (show == m_fsIsShowing)
804 return false; // return what?
805
806 m_fsIsShowing = show;
807
808 #ifdef GDK_WINDOWING_X11
809 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
810 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
811 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
812
813 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
814 // to switch to fullscreen, which is not always available. We must
815 // check if WM supports the spec and use legacy methods if it
816 // doesn't.
817 if ( method == wxX11_FS_WMSPEC )
818 #endif // GDK_WINDOWING_X11
819 {
820 if (show)
821 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
822 else
823 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
824 }
825 #ifdef GDK_WINDOWING_X11
826 else
827 {
828 GdkWindow* window = gtk_widget_get_window(m_widget);
829 Window xid = GDK_WINDOW_XID(window);
830
831 if (show)
832 {
833 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
834 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
835
836 GdkScreen* screen = gtk_widget_get_screen(m_widget);
837 const int screen_width = gdk_screen_get_width(screen);
838 const int screen_height = gdk_screen_get_height(screen);
839
840 gint client_x, client_y, root_x, root_y;
841 gint width, height;
842
843 m_fsSaveGdkFunc = m_gdkFunc;
844 m_fsSaveGdkDecor = m_gdkDecor;
845 m_gdkFunc = m_gdkDecor = 0;
846 gdk_window_set_decorations(window, (GdkWMDecoration)0);
847 gdk_window_set_functions(window, (GdkWMFunction)0);
848
849 gdk_window_get_origin(window, &root_x, &root_y);
850 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
851
852 gdk_window_move_resize(
853 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
854
855 wxSetFullScreenStateX11(xdpy,
856 (WXWindow)xroot,
857 (WXWindow)xid,
858 show, &m_fsSaveFrame, method);
859 }
860 else // hide
861 {
862 m_gdkFunc = m_fsSaveGdkFunc;
863 m_gdkDecor = m_fsSaveGdkDecor;
864 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
865 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
866
867 wxSetFullScreenStateX11(xdpy,
868 (WXWindow)xroot,
869 (WXWindow)xid,
870 show, &m_fsSaveFrame, method);
871
872 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
873 m_fsSaveFrame.width, m_fsSaveFrame.height);
874 }
875 }
876 #endif // GDK_WINDOWING_X11
877
878 // documented behaviour is to show the window if it's still hidden when
879 // showing it full screen
880 if (show)
881 Show();
882
883 return true;
884 }
885
886 // ----------------------------------------------------------------------------
887 // overridden wxWindow methods
888 // ----------------------------------------------------------------------------
889
890 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
891 {
892 wxCHECK_RET( m_widget, wxT("invalid frame") );
893
894 gtk_widget_queue_draw( m_widget );
895
896 GdkWindow* window = NULL;
897 if (m_wxwindow)
898 window = gtk_widget_get_window(m_wxwindow);
899 if (window)
900 gdk_window_invalidate_rect(window, NULL, true);
901 }
902
903 bool wxTopLevelWindowGTK::Show( bool show )
904 {
905 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
906
907 #ifdef GDK_WINDOWING_X11
908 bool deferShow = show && !m_isShown && m_deferShow;
909 if (deferShow)
910 {
911 deferShow = m_deferShowAllowed && gs_requestFrameExtentsStatus != 2 &&
912 !gtk_widget_get_realized(m_widget) &&
913 g_signal_handler_find(m_widget,
914 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
915 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
916 0, NULL, NULL, this);
917 if (deferShow)
918 {
919 GdkScreen* screen = gtk_widget_get_screen(m_widget);
920 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
921 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
922
923 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
924 // to m_decorSize, it breaks saving/restoring window size with
925 // GetSize()/SetSize() because it makes window bigger between each
926 // restore and save.
927 m_updateDecorSize = deferShow;
928 }
929
930 m_deferShow = deferShow;
931 }
932 if (deferShow)
933 {
934 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
935 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
936 // notification is received, so correct frame extents are known.
937 // This allows resizing m_widget to keep the overall size in sync with
938 // what wxWidgets expects it to be without an obvious change in the
939 // window size immediately after it becomes visible.
940
941 // Realize m_widget, so m_widget->window can be used. Realizing normally
942 // causes the widget tree to be size_allocated, which generates size
943 // events in the wrong order. However, the size_allocates will not be
944 // done if the allocation is not the default (1,1).
945 GtkAllocation alloc;
946 gtk_widget_get_allocation(m_widget, &alloc);
947 const int alloc_width = alloc.width;
948 if (alloc_width == 1)
949 {
950 alloc.width = 2;
951 gtk_widget_set_allocation(m_widget, &alloc);
952 }
953 gtk_widget_realize(m_widget);
954 if (alloc_width == 1)
955 {
956 alloc.width = 1;
957 gtk_widget_set_allocation(m_widget, &alloc);
958 }
959
960 // send _NET_REQUEST_FRAME_EXTENTS
961 XClientMessageEvent xevent;
962 memset(&xevent, 0, sizeof(xevent));
963 xevent.type = ClientMessage;
964 GdkWindow* window = gtk_widget_get_window(m_widget);
965 xevent.window = GDK_WINDOW_XID(window);
966 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
967 gdk_window_get_display(window),
968 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
969 xevent.format = 32;
970 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
971 XSendEvent(display, DefaultRootWindow(display), false,
972 SubstructureNotifyMask | SubstructureRedirectMask,
973 (XEvent*)&xevent);
974
975 if (gs_requestFrameExtentsStatus == 0)
976 {
977 // if WM does not respond to request within 1 second,
978 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
979 m_netFrameExtentsTimerId =
980 g_timeout_add(1000, request_frame_extents_timeout, this);
981 }
982
983 // defer calling gtk_widget_show()
984 m_isShown = true;
985 return true;
986 }
987 #endif // GDK_WINDOWING_X11
988
989 if (show && !gtk_widget_get_realized(m_widget))
990 {
991 // size_allocate signals occur in reverse order (bottom to top).
992 // Things work better if the initial wxSizeEvents are sent (from the
993 // top down), before the initial size_allocate signals occur.
994 wxSizeEvent event(GetSize(), GetId());
995 event.SetEventObject(this);
996 HandleWindowEvent(event);
997 }
998
999 bool change = base_type::Show(show);
1000
1001 if (change && !show)
1002 {
1003 // make sure window has a non-default position, so when it is shown
1004 // again, it won't be repositioned by WM as if it were a new window
1005 // Note that this must be done _after_ the window is hidden.
1006 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
1007 }
1008
1009 return change;
1010 }
1011
1012 void wxTopLevelWindowGTK::ShowWithoutActivating()
1013 {
1014 if (!m_isShown)
1015 {
1016 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
1017 Show(true);
1018 }
1019 }
1020
1021 void wxTopLevelWindowGTK::Raise()
1022 {
1023 gtk_window_present( GTK_WINDOW( m_widget ) );
1024 }
1025
1026 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1027 {
1028 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1029 }
1030
1031 // ----------------------------------------------------------------------------
1032 // window geometry
1033 // ----------------------------------------------------------------------------
1034
1035 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1036 {
1037 wxSize size(m_width, m_height);
1038 size -= m_decorSize;
1039 if (size.x < 0) size.x = 0;
1040 if (size.y < 0) size.y = 0;
1041 #if wxUSE_LIBHILDON2
1042 if (width) {
1043 if (size.x == 720)
1044 *width = 696;
1045 else
1046 *width = size.x;
1047 }
1048 if (height) {
1049 if (size.y == 420)
1050 *height = 396;
1051 else if (size.y == 270)
1052 *height = 246;
1053 else
1054 *height = size.y;
1055 }
1056 #else // wxUSE_LIBHILDON2
1057 if (width) *width = size.x;
1058 if (height) *height = size.y;
1059 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1060 }
1061
1062 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1063 {
1064 wxCHECK_RET( m_widget, wxT("invalid frame") );
1065
1066 // deal with the position first
1067 int old_x = m_x;
1068 int old_y = m_y;
1069
1070 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1071 {
1072 // -1 means "use existing" unless the flag above is specified
1073 if ( x != -1 )
1074 m_x = x;
1075 if ( y != -1 )
1076 m_y = y;
1077 }
1078 else // wxSIZE_ALLOW_MINUS_ONE
1079 {
1080 m_x = x;
1081 m_y = y;
1082 }
1083
1084 if ( m_x != old_x || m_y != old_y )
1085 {
1086 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1087 }
1088
1089 const wxSize oldSize(m_width, m_height);
1090 if (width >= 0)
1091 m_width = width;
1092 if (height >= 0)
1093 m_height = height;
1094 ConstrainSize();
1095 if (m_width < 1) m_width = 1;
1096 if (m_height < 1) m_height = 1;
1097 if (m_width != oldSize.x || m_height != oldSize.y)
1098 {
1099 m_deferShowAllowed = true;
1100 m_useCachedClientSize = false;
1101
1102 int w, h;
1103 GTKDoGetSize(&w, &h);
1104 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1105
1106 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1107 wxSizeEvent event(GetSize(), GetId());
1108 event.SetEventObject(this);
1109 HandleWindowEvent(event);
1110 }
1111 }
1112
1113 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1114 {
1115 base_type::DoSetClientSize(width, height);
1116
1117 // Since client size is being explicitly set, don't change it later
1118 // Has to be done after calling base because it calls SetSize,
1119 // which sets this true
1120 m_deferShowAllowed = false;
1121 }
1122
1123 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1124 {
1125 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1126
1127 if ( IsIconized() )
1128 {
1129 // for consistency with wxMSW, client area is supposed to be empty for
1130 // the iconized windows
1131 if ( width )
1132 *width = 0;
1133 if ( height )
1134 *height = 0;
1135 }
1136 else if (m_useCachedClientSize)
1137 base_type::DoGetClientSize(width, height);
1138 else
1139 {
1140 GTKDoGetSize(width, height);
1141 }
1142 }
1143
1144 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1145 int maxW, int maxH,
1146 int incW, int incH )
1147 {
1148 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1149 m_incWidth = incW;
1150 m_incHeight = incH;
1151
1152 const wxSize minSize = GetMinSize();
1153 const wxSize maxSize = GetMaxSize();
1154 GdkGeometry hints;
1155 // always set both min and max hints, otherwise GTK will
1156 // make assumptions we don't want about the unset values
1157 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1158 hints.min_width = 1;
1159 hints.min_height = 1;
1160 hints.max_width = INT_MAX;
1161 hints.max_height = INT_MAX;
1162 if (minSize.x > m_decorSize.x)
1163 hints.min_width = minSize.x - m_decorSize.x;
1164 if (minSize.y > m_decorSize.y)
1165 hints.min_height = minSize.y - m_decorSize.y;
1166 if (maxSize.x > 0)
1167 {
1168 hints.max_width = maxSize.x - m_decorSize.x;
1169 if (hints.max_width < hints.min_width)
1170 hints.max_width = hints.min_width;
1171 }
1172 if (maxSize.y > 0)
1173 {
1174 hints.max_height = maxSize.y - m_decorSize.y;
1175 if (hints.max_height < hints.min_height)
1176 hints.max_height = hints.min_height;
1177 }
1178 if (incW > 0 || incH > 0)
1179 {
1180 hints_mask |= GDK_HINT_RESIZE_INC;
1181 hints.width_inc = incW > 0 ? incW : 1;
1182 hints.height_inc = incH > 0 ? incH : 1;
1183 }
1184 gtk_window_set_geometry_hints(
1185 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1186 }
1187
1188 #ifdef GDK_WINDOWING_X11
1189 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1190 {
1191 if (!IsMaximized() && !IsFullScreen())
1192 GetCachedDecorSize() = decorSize;
1193 if (m_updateDecorSize && m_decorSize != decorSize)
1194 {
1195 m_useCachedClientSize = false;
1196 const wxSize diff = decorSize - m_decorSize;
1197 m_decorSize = decorSize;
1198 bool resized = false;
1199 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1200 {
1201 // update size hints, they depend on m_decorSize
1202 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1203 }
1204 if (m_deferShow)
1205 {
1206 // keep overall size unchanged by shrinking m_widget
1207 int w, h;
1208 GTKDoGetSize(&w, &h);
1209 // but not if size would be less than minimum, it won't take effect
1210 if (w >= m_minWidth - decorSize.x && h >= m_minHeight - decorSize.y )
1211 {
1212 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1213 resized = true;
1214 }
1215 }
1216 if (!resized)
1217 {
1218 // adjust overall size to match change in frame extents
1219 m_width += diff.x;
1220 m_height += diff.y;
1221 if (m_width < 1) m_width = 1;
1222 if (m_height < 1) m_height = 1;
1223 m_clientWidth = 0;
1224 gtk_widget_queue_resize(m_wxwindow);
1225 }
1226 }
1227 if (m_deferShow)
1228 {
1229 // gtk_widget_show() was deferred, do it now
1230 m_deferShow = false;
1231 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1232 wxSizeEvent sizeEvent(GetSize(), GetId());
1233 sizeEvent.SetEventObject(this);
1234 HandleWindowEvent(sizeEvent);
1235
1236 gtk_widget_show(m_widget);
1237
1238 wxShowEvent showEvent(GetId(), true);
1239 showEvent.SetEventObject(this);
1240 HandleWindowEvent(showEvent);
1241 }
1242 }
1243 #endif // GDK_WINDOWING_X11
1244
1245 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1246 {
1247 static wxSize size[8];
1248
1249 int index = 0;
1250 // title bar
1251 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1252 index = 1;
1253 // border
1254 if (m_gdkDecor & GDK_DECOR_BORDER)
1255 index |= 2;
1256 // utility window decor can be different
1257 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1258 index |= 4;
1259 return size[index];
1260 }
1261
1262 void wxTopLevelWindowGTK::OnInternalIdle()
1263 {
1264 wxTopLevelWindowBase::OnInternalIdle();
1265
1266 // Synthetize activate events.
1267 if ( g_sendActivateEvent != -1 )
1268 {
1269 bool activate = g_sendActivateEvent != 0;
1270
1271 // if (!activate) wxPrintf( wxT("de") );
1272 // wxPrintf( wxT("activate\n") );
1273
1274 // do it only once
1275 g_sendActivateEvent = -1;
1276
1277 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1278 }
1279 }
1280
1281 // ----------------------------------------------------------------------------
1282 // frame title/icon
1283 // ----------------------------------------------------------------------------
1284
1285 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1286 {
1287 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1288
1289 if ( title == m_title )
1290 return;
1291
1292 m_title = title;
1293
1294 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1295 }
1296
1297 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1298 {
1299 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1300
1301 base_type::SetIcons(icons);
1302
1303 // Setting icons before window is realized can cause a GTK assertion if
1304 // another TLW is realized before this one, and it has this one as it's
1305 // transient parent. The life demo exibits this problem.
1306 if (gtk_widget_get_realized(m_widget))
1307 {
1308 GList* list = NULL;
1309 for (size_t i = icons.GetIconCount(); i--;)
1310 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1311 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1312 g_list_free(list);
1313 }
1314 }
1315
1316 // ----------------------------------------------------------------------------
1317 // frame state: maximized/iconized/normal
1318 // ----------------------------------------------------------------------------
1319
1320 void wxTopLevelWindowGTK::Maximize(bool maximize)
1321 {
1322 if (maximize)
1323 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1324 else
1325 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1326 }
1327
1328 bool wxTopLevelWindowGTK::IsMaximized() const
1329 {
1330 GdkWindow* window = NULL;
1331 if (m_widget)
1332 window = gtk_widget_get_window(m_widget);
1333 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1334 }
1335
1336 void wxTopLevelWindowGTK::Restore()
1337 {
1338 // "Present" seems similar enough to "restore"
1339 gtk_window_present( GTK_WINDOW( m_widget ) );
1340 }
1341
1342 void wxTopLevelWindowGTK::Iconize( bool iconize )
1343 {
1344 if (iconize)
1345 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1346 else
1347 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1348 }
1349
1350 bool wxTopLevelWindowGTK::IsIconized() const
1351 {
1352 return m_isIconized;
1353 }
1354
1355 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1356 {
1357 if ( iconize != m_isIconized )
1358 {
1359 m_isIconized = iconize;
1360 (void)SendIconizeEvent(iconize);
1361 }
1362 }
1363
1364 void wxTopLevelWindowGTK::AddGrab()
1365 {
1366 if (!m_grabbed)
1367 {
1368 m_grabbed = true;
1369 gtk_grab_add( m_widget );
1370 wxGUIEventLoop().Run();
1371 gtk_grab_remove( m_widget );
1372 }
1373 }
1374
1375 void wxTopLevelWindowGTK::RemoveGrab()
1376 {
1377 if (m_grabbed)
1378 {
1379 gtk_main_quit();
1380 m_grabbed = false;
1381 }
1382 }
1383
1384 bool wxTopLevelWindowGTK::IsActive()
1385 {
1386 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1387 }
1388
1389 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1390 {
1391 bool new_hint_value = false;
1392
1393 // FIXME: This is a workaround to focus handling problem
1394 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1395 // hasn't yet been processed, and the internal focus system is not up to date yet.
1396 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1397 // won't have side effects) - MR
1398 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1399
1400 if(m_urgency_hint >= 0)
1401 g_source_remove(m_urgency_hint);
1402
1403 m_urgency_hint = -2;
1404
1405 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1406 {
1407 new_hint_value = true;
1408
1409 if (flags & wxUSER_ATTENTION_INFO)
1410 {
1411 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1412 } else {
1413 m_urgency_hint = -1;
1414 }
1415 }
1416
1417 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1418 }
1419
1420 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1421 {
1422 // Store which styles were changed
1423 long styleChanges = style ^ m_windowStyle;
1424
1425 // Process wxWindow styles. This also updates the internal variable
1426 // Therefore m_windowStyle bits carry now the _new_ style values
1427 wxWindow::SetWindowStyleFlag(style);
1428
1429 // just return for now if widget does not exist yet
1430 if (!m_widget)
1431 return;
1432
1433 if ( styleChanges & wxSTAY_ON_TOP )
1434 {
1435 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1436 m_windowStyle & wxSTAY_ON_TOP);
1437 }
1438
1439 if ( styleChanges & wxFRAME_NO_TASKBAR )
1440 {
1441 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1442 m_windowStyle & wxFRAME_NO_TASKBAR);
1443 }
1444 }
1445
1446 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1447 {
1448 GdkWindow* window = NULL;
1449 if (m_widget)
1450 window = gtk_widget_get_window(m_widget);
1451 if (window == NULL)
1452 return false;
1453
1454 #ifdef GDK_WINDOWING_X11
1455 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1456 Window win = GDK_WINDOW_XID(window);
1457
1458 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1459 if (alpha == 0xff)
1460 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1461 else
1462 {
1463 long opacity = alpha * 0x1010101L;
1464 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1465 XA_CARDINAL, 32, PropModeReplace,
1466 (unsigned char *) &opacity, 1L);
1467 }
1468 XSync(dpy, False);
1469 return true;
1470 #else // !GDK_WINDOWING_X11
1471 return false;
1472 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1473 }
1474
1475 bool wxTopLevelWindowGTK::CanSetTransparent()
1476 {
1477 // allow to override automatic detection as it's far from perfect
1478 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1479 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1480 {
1481 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1482 }
1483
1484 #ifdef __WXGTK3__
1485 return gtk_widget_is_composited(m_widget) != 0;
1486 #else
1487 #if GTK_CHECK_VERSION(2,10,0)
1488 if (!gtk_check_version(2,10,0))
1489 {
1490 return gtk_widget_is_composited(m_widget) != 0;
1491 }
1492 else
1493 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1494 {
1495 return false;
1496 }
1497 #endif // !__WXGTK3__
1498
1499 #if 0 // Don't be optimistic here for the sake of wxAUI
1500 int opcode, event, error;
1501 // Check for the existence of a RGBA visual instead?
1502 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1503 "Composite", &opcode, &event, &error);
1504 #endif
1505 }
wxWidgets (Impactor)