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[wxWidgets.git] / src / gtk / toplevel.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/toplevel.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __VMS
21 #define XIconifyWindow XICONIFYWINDOW
22 #endif
23
24 #include "wx/toplevel.h"
25
26 #ifndef WX_PRECOMP
27 #include "wx/frame.h"
28 #include "wx/icon.h"
29 #include "wx/log.h"
30 #include "wx/app.h"
31 #endif
32
33 #include "wx/evtloop.h"
34 #include "wx/sysopt.h"
35
36 #include <gtk/gtk.h>
37 #ifdef GDK_WINDOWING_X11
38 #include <gdk/gdkx.h>
39 #include <X11/Xatom.h> // XA_CARDINAL
40 #include "wx/unix/utilsx11.h"
41 #endif
42
43 #include "wx/gtk/private.h"
44 #include "wx/gtk/private/gtk2-compat.h"
45 #include "wx/gtk/private/win_gtk.h"
46
47 #if wxUSE_LIBHILDON
48 #include <hildon-widgets/hildon-program.h>
49 #include <hildon-widgets/hildon-window.h>
50 #endif // wxUSE_LIBHILDON
51
52 #if wxUSE_LIBHILDON2
53 #include <hildon/hildon.h>
54 #endif // wxUSE_LIBHILDON2
55
56 // ----------------------------------------------------------------------------
57 // data
58 // ----------------------------------------------------------------------------
59
60 // this is incremented while a modal dialog is shown
61 int wxOpenModalDialogsCount = 0;
62
63 // the frame that is currently active (i.e. its child has focus). It is
64 // used to generate wxActivateEvents
65 static wxTopLevelWindowGTK *g_activeFrame = NULL;
66 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
67
68 // if we detect that the app has got/lost the focus, we set this variable to
69 // either TRUE or FALSE and an activate event will be sent during the next
70 // OnIdle() call and it is reset to -1: this value means that we shouldn't
71 // send any activate events at all
72 static int g_sendActivateEvent = -1;
73
74 #ifdef GDK_WINDOWING_X11
75 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
76 static enum {
77 RFE_STATUS_UNKNOWN, RFE_STATUS_WORKING, RFE_STATUS_BROKEN
78 } gs_requestFrameExtentsStatus;
79
80 static bool gs_decorCacheValid;
81 #endif
82
83 //-----------------------------------------------------------------------------
84 // RequestUserAttention related functions
85 //-----------------------------------------------------------------------------
86
87 #ifndef __WXGTK3__
88 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
89 gboolean setting)
90 {
91 #if GTK_CHECK_VERSION(2,7,0)
92 if (gtk_check_version(2,7,0) == NULL)
93 gtk_window_set_urgency_hint(win, setting);
94 else
95 #endif
96 {
97 #ifdef GDK_WINDOWING_X11
98 GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
99 wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
100
101 Display* dpy = GDK_WINDOW_XDISPLAY(window);
102 Window xid = GDK_WINDOW_XID(window);
103 XWMHints* wm_hints = XGetWMHints(dpy, xid);
104
105 if (!wm_hints)
106 wm_hints = XAllocWMHints();
107
108 if (setting)
109 wm_hints->flags |= XUrgencyHint;
110 else
111 wm_hints->flags &= ~XUrgencyHint;
112
113 XSetWMHints(dpy, xid, wm_hints);
114 XFree(wm_hints);
115 #endif // GDK_WINDOWING_X11
116 }
117 }
118 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
119 #endif
120
121 extern "C" {
122 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
123 {
124 gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
125
126 win->m_urgency_hint = -2;
127 return FALSE;
128 }
129 }
130
131 //-----------------------------------------------------------------------------
132 // "focus_in_event"
133 //-----------------------------------------------------------------------------
134
135 extern "C" {
136 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
137 GdkEvent *WXUNUSED(event),
138 wxTopLevelWindowGTK *win )
139 {
140 switch ( g_sendActivateEvent )
141 {
142 case -1:
143 // we've got focus from outside, synthetize wxActivateEvent
144 g_sendActivateEvent = 1;
145 break;
146
147 case 0:
148 // another our window just lost focus, it was already ours before
149 // - don't send any wxActivateEvent
150 g_sendActivateEvent = -1;
151 break;
152 }
153
154 g_activeFrame = win;
155 g_lastActiveFrame = g_activeFrame;
156
157 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
158
159 // MR: wxRequestUserAttention related block
160 switch( win->m_urgency_hint )
161 {
162 default:
163 g_source_remove( win->m_urgency_hint );
164 // no break, fallthrough to remove hint too
165 case -1:
166 gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
167 win->m_urgency_hint = -2;
168 break;
169
170 case -2: break;
171 }
172
173 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
174 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
175 event.SetEventObject(g_activeFrame);
176 g_activeFrame->HandleWindowEvent(event);
177
178 return FALSE;
179 }
180 }
181
182 //-----------------------------------------------------------------------------
183 // "focus_out_event"
184 //-----------------------------------------------------------------------------
185
186 extern "C" {
187 static
188 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
189 GdkEventFocus *WXUNUSED(gdk_event),
190 wxTopLevelWindowGTK * WXUNUSED(win))
191 {
192 // if the focus goes out of our app altogether, OnIdle() will send
193 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
194 // g_sendActivateEvent to -1
195 g_sendActivateEvent = 0;
196
197 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
198
199 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
200
201 if (g_activeFrame)
202 {
203 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
204 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
205 event.SetEventObject(g_activeFrame);
206 g_activeFrame->HandleWindowEvent(event);
207
208 g_activeFrame = NULL;
209 }
210
211 return FALSE;
212 }
213 }
214
215 // ----------------------------------------------------------------------------
216 // "key_press_event"
217 // ----------------------------------------------------------------------------
218
219 extern "C" {
220 static gboolean
221 wxgtk_tlw_key_press_event(GtkWidget *widget, GdkEventKey *event)
222 {
223 GtkWindow* const window = GTK_WINDOW(widget);
224
225 // By default GTK+ checks for the menu accelerators in this (top level)
226 // window first and then propagates the event to the currently focused
227 // child from where it bubbles up the window parent chain. In wxWidgets,
228 // however, we want the child window to have the event first but still
229 // handle it as an accelerator if it's not processed there, so we need to
230 // customize this by reversing the order of the steps done in the standard
231 // GTK+ gtk_window_key_press_event() handler.
232
233 if ( gtk_window_propagate_key_event(window, event) )
234 return TRUE;
235
236 if ( gtk_window_activate_key(window, event) )
237 return TRUE;
238
239 if (GTK_WIDGET_GET_CLASS(widget)->key_press_event(widget, event))
240 return TRUE;
241
242 return FALSE;
243 }
244 }
245
246 //-----------------------------------------------------------------------------
247 // "size_allocate" from m_wxwindow
248 //-----------------------------------------------------------------------------
249
250 extern "C" {
251 static void
252 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
253 {
254 win->m_useCachedClientSize = true;
255 if (win->m_clientWidth != alloc->width ||
256 win->m_clientHeight != alloc->height)
257 {
258 win->m_clientWidth = alloc->width;
259 win->m_clientHeight = alloc->height;
260
261 GtkAllocation a;
262 gtk_widget_get_allocation(win->m_widget, &a);
263 wxSize size(a.width, a.height);
264 size.x += win->m_decorSize.left + win->m_decorSize.right;
265 size.y += win->m_decorSize.top + win->m_decorSize.bottom;
266 win->m_width = size.x;
267 win->m_height = size.y;
268
269 if (!win->IsIconized())
270 {
271 wxSizeEvent event(size, win->GetId());
272 event.SetEventObject(win);
273 win->HandleWindowEvent(event);
274 }
275 // else the window is currently unmapped, don't generate size events
276 }
277 }
278 }
279
280 //-----------------------------------------------------------------------------
281 // "delete_event"
282 //-----------------------------------------------------------------------------
283
284 extern "C" {
285 static gboolean
286 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
287 GdkEvent *WXUNUSED(event),
288 wxTopLevelWindowGTK *win )
289 {
290 if (win->IsEnabled() &&
291 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
292 win->IsGrabbed()))
293 win->Close();
294
295 return TRUE;
296 }
297 }
298
299 //-----------------------------------------------------------------------------
300 // "configure_event"
301 //-----------------------------------------------------------------------------
302
303 extern "C" {
304 static gboolean
305 gtk_frame_configure_callback( GtkWidget*,
306 GdkEventConfigure* gdk_event,
307 wxTopLevelWindowGTK *win )
308 {
309 win->GTKConfigureEvent(gdk_event->x, gdk_event->y);
310 return false;
311 }
312 }
313
314 void wxTopLevelWindowGTK::GTKConfigureEvent(int x, int y)
315 {
316 wxPoint point;
317 #ifdef GDK_WINDOWING_X11
318 if (gs_decorCacheValid)
319 {
320 const DecorSize& decorSize = GetCachedDecorSize();
321 point.x = x - decorSize.left;
322 point.y = y - decorSize.top;
323 }
324 else
325 #endif
326 {
327 gtk_window_get_position(GTK_WINDOW(m_widget), &point.x, &point.y);
328 }
329
330 if (m_x != point.x || m_y != point.y)
331 {
332 m_x = point.x;
333 m_y = point.y;
334 wxMoveEvent event(point, GetId());
335 event.SetEventObject(this);
336 HandleWindowEvent(event);
337 }
338 }
339
340 //-----------------------------------------------------------------------------
341 // "realize" from m_widget
342 //-----------------------------------------------------------------------------
343
344 // we cannot the WM hints and icons before the widget has been realized,
345 // so we do this directly after realization
346
347 void wxTopLevelWindowGTK::GTKHandleRealized()
348 {
349 wxNonOwnedWindow::GTKHandleRealized();
350
351 gdk_window_set_decorations(gtk_widget_get_window(m_widget),
352 (GdkWMDecoration)m_gdkDecor);
353 gdk_window_set_functions(gtk_widget_get_window(m_widget),
354 (GdkWMFunction)m_gdkFunc);
355
356 const wxIconBundle& icons = GetIcons();
357 if (icons.GetIconCount())
358 SetIcons(icons);
359
360 #ifdef __WXGTK3__
361 if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
362 {
363 // Grip window can end up obscured, probably due to deferred show.
364 // Reset grip to ensure it is visible.
365 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
366 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
367 }
368 #endif
369 }
370
371 //-----------------------------------------------------------------------------
372 // "map_event" from m_widget
373 //-----------------------------------------------------------------------------
374
375 extern "C" {
376 static gboolean
377 gtk_frame_map_callback( GtkWidget*,
378 GdkEvent * WXUNUSED(event),
379 wxTopLevelWindow *win )
380 {
381 const bool wasIconized = win->IsIconized();
382 if (wasIconized)
383 {
384 // Because GetClientSize() returns (0,0) when IsIconized() is true,
385 // a size event must be generated, just in case GetClientSize() was
386 // called while iconized. This specifically happens when restoring a
387 // tlw that was "rolled up" with some WMs.
388 // Queue a resize rather than sending size event directly to allow
389 // children to be made visible first.
390 win->m_useCachedClientSize = false;
391 win->m_clientWidth = 0;
392 gtk_widget_queue_resize(win->m_wxwindow);
393 }
394 // it is possible for m_isShown to be false here, see bug #9909
395 if (win->wxWindowBase::Show(true))
396 {
397 wxShowEvent eventShow(win->GetId(), true);
398 eventShow.SetEventObject(win);
399 win->GetEventHandler()->ProcessEvent(eventShow);
400 }
401
402 // restore focus-on-map setting in case ShowWithoutActivating() was called
403 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
404
405 return false;
406 }
407 }
408
409 //-----------------------------------------------------------------------------
410 // "window-state-event" from m_widget
411 //-----------------------------------------------------------------------------
412
413 extern "C" {
414 static gboolean
415 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
416 GdkEventWindowState *event,
417 wxTopLevelWindow *win )
418 {
419 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
420 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
421
422 // if maximized bit changed and it is now set
423 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
424 {
425 wxMaximizeEvent evt(win->GetId());
426 evt.SetEventObject(win);
427 win->HandleWindowEvent(evt);
428 }
429
430 if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
431 win->m_fsIsShowing = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
432
433 return false;
434 }
435 }
436
437 //-----------------------------------------------------------------------------
438
439 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
440 {
441 #ifdef GDK_WINDOWING_X11
442 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
443 GdkDisplay* display = gdk_window_get_display(window);
444 Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
445 Atom type;
446 int format;
447 gulong nitems, bytes_after;
448 guchar* data;
449 Status status = XGetWindowProperty(
450 GDK_DISPLAY_XDISPLAY(display),
451 GDK_WINDOW_XID(window),
452 xproperty,
453 0, 4, false, XA_CARDINAL,
454 &type, &format, &nitems, &bytes_after, &data);
455 const bool success = status == Success && data && nitems == 4;
456 if (success)
457 {
458 long* p = (long*)data;
459 if (left) *left = int(p[0]);
460 if (right) *right = int(p[1]);
461 if (top) *top = int(p[2]);
462 if (bottom) *bottom = int(p[3]);
463 }
464 if (data)
465 XFree(data);
466 return success;
467 #else
468 return false;
469 #endif
470 }
471
472 #ifdef GDK_WINDOWING_X11
473 //-----------------------------------------------------------------------------
474 // "property_notify_event" from m_widget
475 //-----------------------------------------------------------------------------
476
477 extern "C" {
478 static gboolean property_notify_event(
479 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
480 {
481 // Watch for changes to _NET_FRAME_EXTENTS property
482 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
483 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
484 {
485 if (win->m_netFrameExtentsTimerId)
486 {
487 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
488 gs_requestFrameExtentsStatus = RFE_STATUS_WORKING;
489 g_source_remove(win->m_netFrameExtentsTimerId);
490 win->m_netFrameExtentsTimerId = 0;
491 }
492
493 wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
494 gs_decorCacheValid = wxGetFrameExtents(event->window,
495 &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
496
497 win->GTKUpdateDecorSize(decorSize);
498 }
499 return false;
500 }
501 }
502
503 extern "C" {
504 static gboolean request_frame_extents_timeout(void* data)
505 {
506 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
507 gs_requestFrameExtentsStatus = RFE_STATUS_BROKEN;
508 gdk_threads_enter();
509 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
510 win->m_netFrameExtentsTimerId = 0;
511 wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
512 wxGetFrameExtents(gtk_widget_get_window(win->m_widget),
513 &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
514 win->GTKUpdateDecorSize(decorSize);
515 gdk_threads_leave();
516 return false;
517 }
518 }
519 #endif // GDK_WINDOWING_X11
520
521 // ----------------------------------------------------------------------------
522 // wxTopLevelWindowGTK creation
523 // ----------------------------------------------------------------------------
524
525 void wxTopLevelWindowGTK::Init()
526 {
527 m_mainWidget = NULL;
528 m_isIconized = false;
529 m_fsIsShowing = false;
530 m_themeEnabled = true;
531 m_gdkDecor =
532 m_gdkFunc = 0;
533 m_grabbed = false;
534 m_deferShow = true;
535 m_deferShowAllowed = true;
536 m_updateDecorSize = true;
537 m_netFrameExtentsTimerId = 0;
538 m_incWidth = m_incHeight = 0;
539 memset(&m_decorSize, 0, sizeof(m_decorSize));
540
541 m_urgency_hint = -2;
542 }
543
544 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
545 wxWindowID id,
546 const wxString& title,
547 const wxPoint& pos,
548 const wxSize& sizeOrig,
549 long style,
550 const wxString &name )
551 {
552 const wxSize size(WidthDefault(sizeOrig.x), HeightDefault(sizeOrig.y));
553
554 wxTopLevelWindows.Append( this );
555
556 if (!PreCreation( parent, pos, size ) ||
557 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
558 {
559 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
560 return false;
561 }
562
563 m_title = title;
564
565 // NB: m_widget may be !=NULL if it was created by derived class' Create,
566 // e.g. in wxTaskBarIconAreaGTK
567 if (m_widget == NULL)
568 {
569 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
570 // we must create HildonWindow and not a normal GtkWindow as the latter
571 // doesn't look correctly in Maemo environment and it must also be
572 // registered with the main program object
573 m_widget = hildon_window_new();
574 hildon_program_add_window(wxTheApp->GetHildonProgram(),
575 HILDON_WINDOW(m_widget));
576 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
577 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
578 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
579 {
580 // Tell WM that this is a dialog window and make it center
581 // on parent by default (this is what GtkDialog ctor does):
582 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
583 GDK_WINDOW_TYPE_HINT_DIALOG);
584 gtk_window_set_position(GTK_WINDOW(m_widget),
585 GTK_WIN_POS_CENTER_ON_PARENT);
586 }
587 else
588 {
589 if (style & wxFRAME_TOOL_WINDOW)
590 {
591 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
592 GDK_WINDOW_TYPE_HINT_UTILITY);
593
594 // On some WMs, like KDE, a TOOL_WINDOW will still show
595 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
596 // For consistency between WMs and with Windows, we
597 // should set the NO_TASKBAR flag which will apply
598 // the set_skip_taskbar_hint if it is available,
599 // ensuring no taskbar entry will appear.
600 style |= wxFRAME_NO_TASKBAR;
601 }
602 }
603 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
604
605 g_object_ref(m_widget);
606 }
607
608 wxWindow *topParent = wxGetTopLevelParent(m_parent);
609 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
610 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
611 (style & wxFRAME_FLOAT_ON_PARENT)))
612 {
613 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
614 GTK_WINDOW(topParent->m_widget) );
615 }
616
617 if (style & wxFRAME_NO_TASKBAR)
618 {
619 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
620 }
621
622 if (style & wxSTAY_ON_TOP)
623 {
624 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
625 }
626 if (style & wxMAXIMIZE)
627 gtk_window_maximize(GTK_WINDOW(m_widget));
628
629 #if 0
630 if (!name.empty())
631 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
632 #endif
633
634 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
635 gtk_widget_set_can_focus(m_widget, false);
636
637 g_signal_connect (m_widget, "delete_event",
638 G_CALLBACK (gtk_frame_delete_callback), this);
639
640 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
641 m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
642 gtk_widget_show( m_mainWidget );
643 gtk_widget_set_can_focus(m_mainWidget, false);
644 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
645
646 // m_wxwindow is the client area
647 m_wxwindow = wxPizza::New();
648 gtk_widget_show( m_wxwindow );
649 gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
650
651 // we donm't allow the frame to get the focus as otherwise
652 // the frame will grab it at arbitrary focus changes
653 gtk_widget_set_can_focus(m_wxwindow, false);
654
655 if (m_parent) m_parent->AddChild( this );
656
657 g_signal_connect(m_wxwindow, "size_allocate",
658 G_CALLBACK(size_allocate), this);
659
660 PostCreation();
661
662 #ifndef __WXGTK3__
663 if (pos != wxDefaultPosition)
664 gtk_widget_set_uposition( m_widget, m_x, m_y );
665 #endif
666
667 // for some reported size corrections
668 g_signal_connect (m_widget, "map_event",
669 G_CALLBACK (gtk_frame_map_callback), this);
670
671 // for iconized state
672 g_signal_connect (m_widget, "window_state_event",
673 G_CALLBACK (gtk_frame_window_state_callback), this);
674
675
676 // for wxMoveEvent
677 g_signal_connect (m_widget, "configure_event",
678 G_CALLBACK (gtk_frame_configure_callback), this);
679
680 // activation
681 g_signal_connect_after (m_widget, "focus_in_event",
682 G_CALLBACK (gtk_frame_focus_in_callback), this);
683 g_signal_connect_after (m_widget, "focus_out_event",
684 G_CALLBACK (gtk_frame_focus_out_callback), this);
685
686 // We need to customize the default GTK+ logic for key processing to make
687 // it conforming to wxWidgets event processing order.
688 g_signal_connect (m_widget, "key_press_event",
689 G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
690
691 #ifdef GDK_WINDOWING_X11
692 #ifdef __WXGTK3__
693 if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
694 #endif
695 {
696 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
697 g_signal_connect(m_widget, "property_notify_event",
698 G_CALLBACK(property_notify_event), this);
699 }
700 #endif // GDK_WINDOWING_X11
701
702 // translate wx decorations styles into Motif WM hints (they are recognized
703 // by other WMs as well)
704
705 // always enable moving the window as we have no separate flag for enabling
706 // it
707 m_gdkFunc = GDK_FUNC_MOVE;
708
709 if ( style & wxCLOSE_BOX )
710 m_gdkFunc |= GDK_FUNC_CLOSE;
711
712 if ( style & wxMINIMIZE_BOX )
713 m_gdkFunc |= GDK_FUNC_MINIMIZE;
714
715 if ( style & wxMAXIMIZE_BOX )
716 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
717
718 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
719 {
720 m_gdkDecor = 0;
721 }
722 else // have border
723 {
724 m_gdkDecor = GDK_DECOR_BORDER;
725
726 if ( style & wxCAPTION )
727 m_gdkDecor |= GDK_DECOR_TITLE;
728
729 if ( style & wxSYSTEM_MENU )
730 m_gdkDecor |= GDK_DECOR_MENU;
731
732 if ( style & wxMINIMIZE_BOX )
733 m_gdkDecor |= GDK_DECOR_MINIMIZE;
734
735 if ( style & wxMAXIMIZE_BOX )
736 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
737
738 if ( style & wxRESIZE_BORDER )
739 {
740 m_gdkFunc |= GDK_FUNC_RESIZE;
741 m_gdkDecor |= GDK_DECOR_RESIZEH;
742 }
743 }
744
745 if ((style & wxRESIZE_BORDER) == 0)
746 gtk_window_set_resizable(GTK_WINDOW(m_widget), false);
747 #ifndef __WXGTK3__
748 else
749 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
750 #endif
751
752 m_decorSize = GetCachedDecorSize();
753 int w, h;
754 GTKDoGetSize(&w, &h);
755 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
756
757 return true;
758 }
759
760 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
761 {
762 if ( m_netFrameExtentsTimerId )
763 {
764 // Don't let the timer callback fire as the window pointer passed to it
765 // will become invalid very soon.
766 g_source_remove(m_netFrameExtentsTimerId);
767 }
768
769 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
770 // it can also be a (standard) dialog
771 if ( HILDON_IS_WINDOW(m_widget) )
772 {
773 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
774 HILDON_WINDOW(m_widget));
775 }
776 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
777
778 if (m_grabbed)
779 {
780 wxFAIL_MSG(wxT("Window still grabbed"));
781 RemoveGrab();
782 }
783
784 SendDestroyEvent();
785
786 // it may also be GtkScrolledWindow in the case of an MDI child
787 if (GTK_IS_WINDOW(m_widget))
788 {
789 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
790 }
791
792 if (g_activeFrame == this)
793 g_activeFrame = NULL;
794 if (g_lastActiveFrame == this)
795 g_lastActiveFrame = NULL;
796 }
797
798 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
799 {
800 if (enable)
801 m_gdkFunc |= GDK_FUNC_CLOSE;
802 else
803 m_gdkFunc &= ~GDK_FUNC_CLOSE;
804
805 GdkWindow* window = gtk_widget_get_window(m_widget);
806 if (window)
807 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
808
809 return true;
810 }
811
812 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
813 {
814 if (show == m_fsIsShowing)
815 return false; // return what?
816
817 m_fsIsShowing = show;
818
819 #ifdef GDK_WINDOWING_X11
820 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
821 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
822 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
823
824 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
825 // to switch to fullscreen, which is not always available. We must
826 // check if WM supports the spec and use legacy methods if it
827 // doesn't.
828 if ( method == wxX11_FS_WMSPEC )
829 #endif // GDK_WINDOWING_X11
830 {
831 if (show)
832 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
833 else
834 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
835 }
836 #ifdef GDK_WINDOWING_X11
837 else
838 {
839 GdkWindow* window = gtk_widget_get_window(m_widget);
840 Window xid = GDK_WINDOW_XID(window);
841
842 if (show)
843 {
844 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
845 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
846
847 GdkScreen* screen = gtk_widget_get_screen(m_widget);
848 const int screen_width = gdk_screen_get_width(screen);
849 const int screen_height = gdk_screen_get_height(screen);
850
851 gint client_x, client_y, root_x, root_y;
852 gint width, height;
853
854 m_fsSaveGdkFunc = m_gdkFunc;
855 m_fsSaveGdkDecor = m_gdkDecor;
856 m_gdkFunc = m_gdkDecor = 0;
857 gdk_window_set_decorations(window, (GdkWMDecoration)0);
858 gdk_window_set_functions(window, (GdkWMFunction)0);
859
860 gdk_window_get_origin(window, &root_x, &root_y);
861 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
862
863 gdk_window_move_resize(
864 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
865
866 wxSetFullScreenStateX11(xdpy,
867 (WXWindow)xroot,
868 (WXWindow)xid,
869 show, &m_fsSaveFrame, method);
870 }
871 else // hide
872 {
873 m_gdkFunc = m_fsSaveGdkFunc;
874 m_gdkDecor = m_fsSaveGdkDecor;
875 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
876 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
877
878 wxSetFullScreenStateX11(xdpy,
879 (WXWindow)xroot,
880 (WXWindow)xid,
881 show, &m_fsSaveFrame, method);
882
883 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
884 m_fsSaveFrame.width, m_fsSaveFrame.height);
885 }
886 }
887 #endif // GDK_WINDOWING_X11
888
889 // documented behaviour is to show the window if it's still hidden when
890 // showing it full screen
891 if (show)
892 Show();
893
894 return true;
895 }
896
897 // ----------------------------------------------------------------------------
898 // overridden wxWindow methods
899 // ----------------------------------------------------------------------------
900
901 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
902 {
903 wxCHECK_RET( m_widget, wxT("invalid frame") );
904
905 gtk_widget_queue_draw( m_widget );
906
907 GdkWindow* window = NULL;
908 if (m_wxwindow)
909 window = gtk_widget_get_window(m_wxwindow);
910 if (window)
911 gdk_window_invalidate_rect(window, NULL, true);
912 }
913
914 bool wxTopLevelWindowGTK::Show( bool show )
915 {
916 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
917
918 #ifdef GDK_WINDOWING_X11
919 bool deferShow = show && !m_isShown && m_deferShow;
920 if (deferShow)
921 {
922 deferShow = m_deferShowAllowed &&
923 gs_requestFrameExtentsStatus != RFE_STATUS_BROKEN &&
924 !gtk_widget_get_realized(m_widget) &&
925 g_signal_handler_find(m_widget,
926 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
927 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
928 0, NULL, NULL, this);
929 if (deferShow)
930 {
931 GdkScreen* screen = gtk_widget_get_screen(m_widget);
932 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
933 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
934
935 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
936 // to m_decorSize, it breaks saving/restoring window size with
937 // GetSize()/SetSize() because it makes window bigger between each
938 // restore and save.
939 m_updateDecorSize = deferShow;
940 }
941
942 m_deferShow = deferShow;
943 }
944 if (deferShow)
945 {
946 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
947 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
948 // notification is received, so correct frame extents are known.
949 // This allows resizing m_widget to keep the overall size in sync with
950 // what wxWidgets expects it to be without an obvious change in the
951 // window size immediately after it becomes visible.
952
953 // Realize m_widget, so m_widget->window can be used. Realizing normally
954 // causes the widget tree to be size_allocated, which generates size
955 // events in the wrong order. However, the size_allocates will not be
956 // done if the allocation is not the default (1,1).
957 GtkAllocation alloc;
958 gtk_widget_get_allocation(m_widget, &alloc);
959 const int alloc_width = alloc.width;
960 if (alloc_width == 1)
961 {
962 alloc.width = 2;
963 gtk_widget_set_allocation(m_widget, &alloc);
964 }
965 gtk_widget_realize(m_widget);
966 if (alloc_width == 1)
967 {
968 alloc.width = 1;
969 gtk_widget_set_allocation(m_widget, &alloc);
970 }
971
972 // send _NET_REQUEST_FRAME_EXTENTS
973 XClientMessageEvent xevent;
974 memset(&xevent, 0, sizeof(xevent));
975 xevent.type = ClientMessage;
976 GdkWindow* window = gtk_widget_get_window(m_widget);
977 xevent.window = GDK_WINDOW_XID(window);
978 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
979 gdk_window_get_display(window),
980 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
981 xevent.format = 32;
982 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
983 XSendEvent(display, DefaultRootWindow(display), false,
984 SubstructureNotifyMask | SubstructureRedirectMask,
985 (XEvent*)&xevent);
986
987 if (gs_requestFrameExtentsStatus == RFE_STATUS_UNKNOWN)
988 {
989 // if WM does not respond to request within 1 second,
990 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
991 m_netFrameExtentsTimerId =
992 g_timeout_add(1000, request_frame_extents_timeout, this);
993 }
994
995 // defer calling gtk_widget_show()
996 m_isShown = true;
997 return true;
998 }
999 #endif // GDK_WINDOWING_X11
1000
1001 if (show && !gtk_widget_get_realized(m_widget))
1002 {
1003 // size_allocate signals occur in reverse order (bottom to top).
1004 // Things work better if the initial wxSizeEvents are sent (from the
1005 // top down), before the initial size_allocate signals occur.
1006 wxSizeEvent event(GetSize(), GetId());
1007 event.SetEventObject(this);
1008 HandleWindowEvent(event);
1009 }
1010
1011 bool change = base_type::Show(show);
1012
1013 if (change && !show)
1014 {
1015 // make sure window has a non-default position, so when it is shown
1016 // again, it won't be repositioned by WM as if it were a new window
1017 // Note that this must be done _after_ the window is hidden.
1018 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
1019 }
1020
1021 return change;
1022 }
1023
1024 void wxTopLevelWindowGTK::ShowWithoutActivating()
1025 {
1026 if (!m_isShown)
1027 {
1028 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
1029 Show(true);
1030 }
1031 }
1032
1033 void wxTopLevelWindowGTK::Raise()
1034 {
1035 gtk_window_present( GTK_WINDOW( m_widget ) );
1036 }
1037
1038 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1039 {
1040 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1041 }
1042
1043 // ----------------------------------------------------------------------------
1044 // window geometry
1045 // ----------------------------------------------------------------------------
1046
1047 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1048 {
1049 wxSize size(m_width, m_height);
1050 size.x -= m_decorSize.left + m_decorSize.right;
1051 size.y -= m_decorSize.top + m_decorSize.bottom;
1052 if (size.x < 0) size.x = 0;
1053 if (size.y < 0) size.y = 0;
1054 #if wxUSE_LIBHILDON2
1055 if (width) {
1056 if (size.x == 720)
1057 *width = 696;
1058 else
1059 *width = size.x;
1060 }
1061 if (height) {
1062 if (size.y == 420)
1063 *height = 396;
1064 else if (size.y == 270)
1065 *height = 246;
1066 else
1067 *height = size.y;
1068 }
1069 #else // wxUSE_LIBHILDON2
1070 if (width) *width = size.x;
1071 if (height) *height = size.y;
1072 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1073 }
1074
1075 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1076 {
1077 wxCHECK_RET( m_widget, wxT("invalid frame") );
1078
1079 // deal with the position first
1080 int old_x = m_x;
1081 int old_y = m_y;
1082
1083 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1084 {
1085 // -1 means "use existing" unless the flag above is specified
1086 if ( x != -1 )
1087 m_x = x;
1088 if ( y != -1 )
1089 m_y = y;
1090 }
1091 else // wxSIZE_ALLOW_MINUS_ONE
1092 {
1093 m_x = x;
1094 m_y = y;
1095 }
1096
1097 if ( m_x != old_x || m_y != old_y )
1098 {
1099 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1100 wxMoveEvent event(wxPoint(m_x, m_y), GetId());
1101 event.SetEventObject(this);
1102 HandleWindowEvent(event);
1103 }
1104
1105 const wxSize oldSize(m_width, m_height);
1106 if (width >= 0)
1107 m_width = width;
1108 if (height >= 0)
1109 m_height = height;
1110 ConstrainSize();
1111 if (m_width < 1) m_width = 1;
1112 if (m_height < 1) m_height = 1;
1113 if (m_width != oldSize.x || m_height != oldSize.y)
1114 {
1115 m_deferShowAllowed = true;
1116 m_useCachedClientSize = false;
1117
1118 int w, h;
1119 GTKDoGetSize(&w, &h);
1120 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1121
1122 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1123 wxSizeEvent event(GetSize(), GetId());
1124 event.SetEventObject(this);
1125 HandleWindowEvent(event);
1126 }
1127 }
1128
1129 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1130 {
1131 base_type::DoSetClientSize(width, height);
1132
1133 // Since client size is being explicitly set, don't change it later
1134 // Has to be done after calling base because it calls SetSize,
1135 // which sets this true
1136 m_deferShowAllowed = false;
1137 }
1138
1139 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1140 {
1141 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1142
1143 if ( IsIconized() )
1144 {
1145 // for consistency with wxMSW, client area is supposed to be empty for
1146 // the iconized windows
1147 if ( width )
1148 *width = 0;
1149 if ( height )
1150 *height = 0;
1151 }
1152 else if (m_useCachedClientSize)
1153 base_type::DoGetClientSize(width, height);
1154 else
1155 {
1156 GTKDoGetSize(width, height);
1157 }
1158 }
1159
1160 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1161 int maxW, int maxH,
1162 int incW, int incH )
1163 {
1164 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1165 m_incWidth = incW;
1166 m_incHeight = incH;
1167
1168 const wxSize minSize = GetMinSize();
1169 const wxSize maxSize = GetMaxSize();
1170 GdkGeometry hints;
1171 // always set both min and max hints, otherwise GTK will
1172 // make assumptions we don't want about the unset values
1173 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1174 hints.min_width = 1;
1175 hints.min_height = 1;
1176 hints.max_width = INT_MAX;
1177 hints.max_height = INT_MAX;
1178 const int decorSize_x = m_decorSize.left + m_decorSize.right;
1179 const int decorSize_y = m_decorSize.top + m_decorSize.bottom;
1180 if (minSize.x > decorSize_x)
1181 hints.min_width = minSize.x - decorSize_x;
1182 if (minSize.y > decorSize_y)
1183 hints.min_height = minSize.y - decorSize_y;
1184 if (maxSize.x > 0)
1185 {
1186 hints.max_width = maxSize.x - decorSize_x;
1187 if (hints.max_width < hints.min_width)
1188 hints.max_width = hints.min_width;
1189 }
1190 if (maxSize.y > 0)
1191 {
1192 hints.max_height = maxSize.y - decorSize_y;
1193 if (hints.max_height < hints.min_height)
1194 hints.max_height = hints.min_height;
1195 }
1196 if (incW > 0 || incH > 0)
1197 {
1198 hints_mask |= GDK_HINT_RESIZE_INC;
1199 hints.width_inc = incW > 0 ? incW : 1;
1200 hints.height_inc = incH > 0 ? incH : 1;
1201 }
1202 gtk_window_set_geometry_hints(
1203 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1204 }
1205
1206 #ifdef GDK_WINDOWING_X11
1207 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const DecorSize& decorSize)
1208 {
1209 if (!IsMaximized() && !IsFullScreen())
1210 GetCachedDecorSize() = decorSize;
1211 if (m_updateDecorSize && memcmp(&m_decorSize, &decorSize, sizeof(DecorSize)))
1212 {
1213 m_useCachedClientSize = false;
1214 const wxSize diff(
1215 decorSize.left - m_decorSize.left + decorSize.right - m_decorSize.right,
1216 decorSize.top - m_decorSize.top + decorSize.bottom - m_decorSize.bottom);
1217 m_decorSize = decorSize;
1218 bool resized = false;
1219 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1220 {
1221 // update size hints, they depend on m_decorSize
1222 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1223 }
1224 if (m_deferShow)
1225 {
1226 // keep overall size unchanged by shrinking m_widget
1227 int w, h;
1228 GTKDoGetSize(&w, &h);
1229 // but not if size would be less than minimum, it won't take effect
1230 if (w >= m_minWidth - (decorSize.left + decorSize.right) &&
1231 h >= m_minHeight - (decorSize.top + decorSize.bottom))
1232 {
1233 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1234 resized = true;
1235 }
1236 }
1237 if (!resized)
1238 {
1239 // adjust overall size to match change in frame extents
1240 m_width += diff.x;
1241 m_height += diff.y;
1242 if (m_width < 1) m_width = 1;
1243 if (m_height < 1) m_height = 1;
1244 m_clientWidth = 0;
1245 gtk_widget_queue_resize(m_wxwindow);
1246 }
1247 }
1248 if (m_deferShow)
1249 {
1250 // gtk_widget_show() was deferred, do it now
1251 m_deferShow = false;
1252 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1253 wxSizeEvent sizeEvent(GetSize(), GetId());
1254 sizeEvent.SetEventObject(this);
1255 HandleWindowEvent(sizeEvent);
1256
1257 gtk_widget_show(m_widget);
1258
1259 wxShowEvent showEvent(GetId(), true);
1260 showEvent.SetEventObject(this);
1261 HandleWindowEvent(showEvent);
1262 }
1263 }
1264 #endif // GDK_WINDOWING_X11
1265
1266 wxTopLevelWindowGTK::DecorSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1267 {
1268 static DecorSize size[8];
1269
1270 int index = 0;
1271 // title bar
1272 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1273 index = 1;
1274 // border
1275 if (m_gdkDecor & GDK_DECOR_BORDER)
1276 index |= 2;
1277 // utility window decor can be different
1278 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1279 index |= 4;
1280 return size[index];
1281 }
1282
1283 void wxTopLevelWindowGTK::OnInternalIdle()
1284 {
1285 wxTopLevelWindowBase::OnInternalIdle();
1286
1287 // Synthetize activate events.
1288 if ( g_sendActivateEvent != -1 )
1289 {
1290 bool activate = g_sendActivateEvent != 0;
1291
1292 // if (!activate) wxPrintf( wxT("de") );
1293 // wxPrintf( wxT("activate\n") );
1294
1295 // do it only once
1296 g_sendActivateEvent = -1;
1297
1298 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1299 }
1300 }
1301
1302 // ----------------------------------------------------------------------------
1303 // frame title/icon
1304 // ----------------------------------------------------------------------------
1305
1306 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1307 {
1308 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1309
1310 if ( title == m_title )
1311 return;
1312
1313 m_title = title;
1314
1315 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1316 }
1317
1318 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1319 {
1320 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1321
1322 base_type::SetIcons(icons);
1323
1324 // Setting icons before window is realized can cause a GTK assertion if
1325 // another TLW is realized before this one, and it has this one as it's
1326 // transient parent. The life demo exibits this problem.
1327 if (gtk_widget_get_realized(m_widget))
1328 {
1329 GList* list = NULL;
1330 for (size_t i = icons.GetIconCount(); i--;)
1331 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1332 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1333 g_list_free(list);
1334 }
1335 }
1336
1337 // ----------------------------------------------------------------------------
1338 // frame state: maximized/iconized/normal
1339 // ----------------------------------------------------------------------------
1340
1341 void wxTopLevelWindowGTK::Maximize(bool maximize)
1342 {
1343 if (maximize)
1344 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1345 else
1346 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1347 }
1348
1349 bool wxTopLevelWindowGTK::IsMaximized() const
1350 {
1351 GdkWindow* window = NULL;
1352 if (m_widget)
1353 window = gtk_widget_get_window(m_widget);
1354 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1355 }
1356
1357 void wxTopLevelWindowGTK::Restore()
1358 {
1359 // "Present" seems similar enough to "restore"
1360 gtk_window_present( GTK_WINDOW( m_widget ) );
1361 }
1362
1363 void wxTopLevelWindowGTK::Iconize( bool iconize )
1364 {
1365 if (iconize)
1366 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1367 else
1368 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1369 }
1370
1371 bool wxTopLevelWindowGTK::IsIconized() const
1372 {
1373 return m_isIconized;
1374 }
1375
1376 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1377 {
1378 if ( iconize != m_isIconized )
1379 {
1380 m_isIconized = iconize;
1381 (void)SendIconizeEvent(iconize);
1382 }
1383 }
1384
1385 void wxTopLevelWindowGTK::AddGrab()
1386 {
1387 if (!m_grabbed)
1388 {
1389 m_grabbed = true;
1390 gtk_grab_add( m_widget );
1391 wxGUIEventLoop().Run();
1392 gtk_grab_remove( m_widget );
1393 }
1394 }
1395
1396 void wxTopLevelWindowGTK::RemoveGrab()
1397 {
1398 if (m_grabbed)
1399 {
1400 gtk_main_quit();
1401 m_grabbed = false;
1402 }
1403 }
1404
1405 bool wxTopLevelWindowGTK::IsActive()
1406 {
1407 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1408 }
1409
1410 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1411 {
1412 bool new_hint_value = false;
1413
1414 // FIXME: This is a workaround to focus handling problem
1415 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1416 // hasn't yet been processed, and the internal focus system is not up to date yet.
1417 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1418 // won't have side effects) - MR
1419 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1420
1421 if(m_urgency_hint >= 0)
1422 g_source_remove(m_urgency_hint);
1423
1424 m_urgency_hint = -2;
1425
1426 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1427 {
1428 new_hint_value = true;
1429
1430 if (flags & wxUSER_ATTENTION_INFO)
1431 {
1432 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1433 } else {
1434 m_urgency_hint = -1;
1435 }
1436 }
1437
1438 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1439 }
1440
1441 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1442 {
1443 // Store which styles were changed
1444 long styleChanges = style ^ m_windowStyle;
1445
1446 // Process wxWindow styles. This also updates the internal variable
1447 // Therefore m_windowStyle bits carry now the _new_ style values
1448 wxWindow::SetWindowStyleFlag(style);
1449
1450 // just return for now if widget does not exist yet
1451 if (!m_widget)
1452 return;
1453
1454 if ( styleChanges & wxSTAY_ON_TOP )
1455 {
1456 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1457 m_windowStyle & wxSTAY_ON_TOP);
1458 }
1459
1460 if ( styleChanges & wxFRAME_NO_TASKBAR )
1461 {
1462 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1463 m_windowStyle & wxFRAME_NO_TASKBAR);
1464 }
1465 }
1466
1467 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1468 {
1469 GdkWindow* window = NULL;
1470 if (m_widget)
1471 window = gtk_widget_get_window(m_widget);
1472 if (window == NULL)
1473 return false;
1474
1475 #ifdef GDK_WINDOWING_X11
1476 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1477 Window win = GDK_WINDOW_XID(window);
1478
1479 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1480 if (alpha == 0xff)
1481 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1482 else
1483 {
1484 long opacity = alpha * 0x1010101L;
1485 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1486 XA_CARDINAL, 32, PropModeReplace,
1487 (unsigned char *) &opacity, 1L);
1488 }
1489 XSync(dpy, False);
1490 return true;
1491 #else // !GDK_WINDOWING_X11
1492 return false;
1493 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1494 }
1495
1496 bool wxTopLevelWindowGTK::CanSetTransparent()
1497 {
1498 // allow to override automatic detection as it's far from perfect
1499 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1500 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1501 {
1502 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1503 }
1504
1505 #ifdef __WXGTK3__
1506 return gtk_widget_is_composited(m_widget) != 0;
1507 #else
1508 #if GTK_CHECK_VERSION(2,10,0)
1509 if (!gtk_check_version(2,10,0))
1510 {
1511 return gtk_widget_is_composited(m_widget) != 0;
1512 }
1513 else
1514 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1515 {
1516 return false;
1517 }
1518 #endif // !__WXGTK3__
1519
1520 #if 0 // Don't be optimistic here for the sake of wxAUI
1521 int opcode, event, error;
1522 // Check for the existence of a RGBA visual instead?
1523 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1524 "Composite", &opcode, &event, &error);
1525 #endif
1526 }
wxWidgets (Impactor)