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Remove some old redundant code
[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& size,
549 long style,
550 const wxString &name )
551 {
552 wxTopLevelWindows.Append( this );
553
554 if (!PreCreation( parent, pos, size ) ||
555 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
556 {
557 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
558 return false;
559 }
560
561 m_title = title;
562
563 // NB: m_widget may be !=NULL if it was created by derived class' Create,
564 // e.g. in wxTaskBarIconAreaGTK
565 if (m_widget == NULL)
566 {
567 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
568 // we must create HildonWindow and not a normal GtkWindow as the latter
569 // doesn't look correctly in Maemo environment and it must also be
570 // registered with the main program object
571 m_widget = hildon_window_new();
572 hildon_program_add_window(wxTheApp->GetHildonProgram(),
573 HILDON_WINDOW(m_widget));
574 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
575 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
576 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
577 {
578 // Tell WM that this is a dialog window and make it center
579 // on parent by default (this is what GtkDialog ctor does):
580 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
581 GDK_WINDOW_TYPE_HINT_DIALOG);
582 gtk_window_set_position(GTK_WINDOW(m_widget),
583 GTK_WIN_POS_CENTER_ON_PARENT);
584 }
585 else
586 {
587 if (style & wxFRAME_TOOL_WINDOW)
588 {
589 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
590 GDK_WINDOW_TYPE_HINT_UTILITY);
591
592 // On some WMs, like KDE, a TOOL_WINDOW will still show
593 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
594 // For consistency between WMs and with Windows, we
595 // should set the NO_TASKBAR flag which will apply
596 // the set_skip_taskbar_hint if it is available,
597 // ensuring no taskbar entry will appear.
598 style |= wxFRAME_NO_TASKBAR;
599 }
600 }
601 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
602
603 g_object_ref(m_widget);
604 }
605
606 wxWindow *topParent = wxGetTopLevelParent(m_parent);
607 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
608 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
609 (style & wxFRAME_FLOAT_ON_PARENT)))
610 {
611 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
612 GTK_WINDOW(topParent->m_widget) );
613 }
614
615 if (style & wxFRAME_NO_TASKBAR)
616 {
617 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
618 }
619
620 if (style & wxSTAY_ON_TOP)
621 {
622 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
623 }
624 if (style & wxMAXIMIZE)
625 gtk_window_maximize(GTK_WINDOW(m_widget));
626
627 #if 0
628 if (!name.empty())
629 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
630 #endif
631
632 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
633 gtk_widget_set_can_focus(m_widget, false);
634
635 g_signal_connect (m_widget, "delete_event",
636 G_CALLBACK (gtk_frame_delete_callback), this);
637
638 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
639 m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
640 gtk_widget_show( m_mainWidget );
641 gtk_widget_set_can_focus(m_mainWidget, false);
642 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
643
644 // m_wxwindow is the client area
645 m_wxwindow = wxPizza::New();
646 gtk_widget_show( m_wxwindow );
647 gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
648
649 // we donm't allow the frame to get the focus as otherwise
650 // the frame will grab it at arbitrary focus changes
651 gtk_widget_set_can_focus(m_wxwindow, false);
652
653 if (m_parent) m_parent->AddChild( this );
654
655 g_signal_connect(m_wxwindow, "size_allocate",
656 G_CALLBACK(size_allocate), this);
657
658 PostCreation();
659
660 #ifndef __WXGTK3__
661 if (pos != wxDefaultPosition)
662 gtk_widget_set_uposition( m_widget, m_x, m_y );
663 #endif
664
665 // for some reported size corrections
666 g_signal_connect (m_widget, "map_event",
667 G_CALLBACK (gtk_frame_map_callback), this);
668
669 // for iconized state
670 g_signal_connect (m_widget, "window_state_event",
671 G_CALLBACK (gtk_frame_window_state_callback), this);
672
673
674 // for wxMoveEvent
675 g_signal_connect (m_widget, "configure_event",
676 G_CALLBACK (gtk_frame_configure_callback), this);
677
678 // activation
679 g_signal_connect_after (m_widget, "focus_in_event",
680 G_CALLBACK (gtk_frame_focus_in_callback), this);
681 g_signal_connect_after (m_widget, "focus_out_event",
682 G_CALLBACK (gtk_frame_focus_out_callback), this);
683
684 // We need to customize the default GTK+ logic for key processing to make
685 // it conforming to wxWidgets event processing order.
686 g_signal_connect (m_widget, "key_press_event",
687 G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
688
689 #ifdef GDK_WINDOWING_X11
690 #ifdef __WXGTK3__
691 if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
692 #endif
693 {
694 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
695 g_signal_connect(m_widget, "property_notify_event",
696 G_CALLBACK(property_notify_event), this);
697 }
698 #endif // GDK_WINDOWING_X11
699
700 // translate wx decorations styles into Motif WM hints (they are recognized
701 // by other WMs as well)
702
703 // always enable moving the window as we have no separate flag for enabling
704 // it
705 m_gdkFunc = GDK_FUNC_MOVE;
706
707 if ( style & wxCLOSE_BOX )
708 m_gdkFunc |= GDK_FUNC_CLOSE;
709
710 if ( style & wxMINIMIZE_BOX )
711 m_gdkFunc |= GDK_FUNC_MINIMIZE;
712
713 if ( style & wxMAXIMIZE_BOX )
714 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
715
716 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
717 {
718 m_gdkDecor = 0;
719 }
720 else // have border
721 {
722 m_gdkDecor = GDK_DECOR_BORDER;
723
724 if ( style & wxCAPTION )
725 m_gdkDecor |= GDK_DECOR_TITLE;
726
727 if ( style & wxSYSTEM_MENU )
728 m_gdkDecor |= GDK_DECOR_MENU;
729
730 if ( style & wxMINIMIZE_BOX )
731 m_gdkDecor |= GDK_DECOR_MINIMIZE;
732
733 if ( style & wxMAXIMIZE_BOX )
734 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
735
736 if ( style & wxRESIZE_BORDER )
737 {
738 m_gdkFunc |= GDK_FUNC_RESIZE;
739 m_gdkDecor |= GDK_DECOR_RESIZEH;
740 }
741 }
742
743 if ((style & wxRESIZE_BORDER) == 0)
744 gtk_window_set_resizable(GTK_WINDOW(m_widget), false);
745 #ifndef __WXGTK3__
746 else
747 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
748 #endif
749
750 // GTK sometimes chooses very small size if max size hint is not explicitly set
751 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
752
753 m_decorSize = GetCachedDecorSize();
754 int w, h;
755 GTKDoGetSize(&w, &h);
756 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
757
758 return true;
759 }
760
761 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
762 {
763 if ( m_netFrameExtentsTimerId )
764 {
765 // Don't let the timer callback fire as the window pointer passed to it
766 // will become invalid very soon.
767 g_source_remove(m_netFrameExtentsTimerId);
768 }
769
770 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
771 // it can also be a (standard) dialog
772 if ( HILDON_IS_WINDOW(m_widget) )
773 {
774 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
775 HILDON_WINDOW(m_widget));
776 }
777 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
778
779 if (m_grabbed)
780 {
781 wxFAIL_MSG(wxT("Window still grabbed"));
782 RemoveGrab();
783 }
784
785 SendDestroyEvent();
786
787 // it may also be GtkScrolledWindow in the case of an MDI child
788 if (GTK_IS_WINDOW(m_widget))
789 {
790 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
791 }
792
793 if (g_activeFrame == this)
794 g_activeFrame = NULL;
795 if (g_lastActiveFrame == this)
796 g_lastActiveFrame = NULL;
797 }
798
799 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
800 {
801 if (enable)
802 m_gdkFunc |= GDK_FUNC_CLOSE;
803 else
804 m_gdkFunc &= ~GDK_FUNC_CLOSE;
805
806 GdkWindow* window = gtk_widget_get_window(m_widget);
807 if (window)
808 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
809
810 return true;
811 }
812
813 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
814 {
815 if (show == m_fsIsShowing)
816 return false; // return what?
817
818 m_fsIsShowing = show;
819
820 #ifdef GDK_WINDOWING_X11
821 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
822 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
823 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
824
825 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
826 // to switch to fullscreen, which is not always available. We must
827 // check if WM supports the spec and use legacy methods if it
828 // doesn't.
829 if ( method == wxX11_FS_WMSPEC )
830 #endif // GDK_WINDOWING_X11
831 {
832 if (show)
833 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
834 else
835 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
836 }
837 #ifdef GDK_WINDOWING_X11
838 else
839 {
840 GdkWindow* window = gtk_widget_get_window(m_widget);
841 Window xid = GDK_WINDOW_XID(window);
842
843 if (show)
844 {
845 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
846 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
847
848 GdkScreen* screen = gtk_widget_get_screen(m_widget);
849 const int screen_width = gdk_screen_get_width(screen);
850 const int screen_height = gdk_screen_get_height(screen);
851
852 gint client_x, client_y, root_x, root_y;
853 gint width, height;
854
855 m_fsSaveGdkFunc = m_gdkFunc;
856 m_fsSaveGdkDecor = m_gdkDecor;
857 m_gdkFunc = m_gdkDecor = 0;
858 gdk_window_set_decorations(window, (GdkWMDecoration)0);
859 gdk_window_set_functions(window, (GdkWMFunction)0);
860
861 gdk_window_get_origin(window, &root_x, &root_y);
862 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
863
864 gdk_window_move_resize(
865 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
866
867 wxSetFullScreenStateX11(xdpy,
868 (WXWindow)xroot,
869 (WXWindow)xid,
870 show, &m_fsSaveFrame, method);
871 }
872 else // hide
873 {
874 m_gdkFunc = m_fsSaveGdkFunc;
875 m_gdkDecor = m_fsSaveGdkDecor;
876 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
877 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
878
879 wxSetFullScreenStateX11(xdpy,
880 (WXWindow)xroot,
881 (WXWindow)xid,
882 show, &m_fsSaveFrame, method);
883
884 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
885 m_fsSaveFrame.width, m_fsSaveFrame.height);
886 }
887 }
888 #endif // GDK_WINDOWING_X11
889
890 // documented behaviour is to show the window if it's still hidden when
891 // showing it full screen
892 if (show)
893 Show();
894
895 return true;
896 }
897
898 // ----------------------------------------------------------------------------
899 // overridden wxWindow methods
900 // ----------------------------------------------------------------------------
901
902 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
903 {
904 wxCHECK_RET( m_widget, wxT("invalid frame") );
905
906 gtk_widget_queue_draw( m_widget );
907
908 GdkWindow* window = NULL;
909 if (m_wxwindow)
910 window = gtk_widget_get_window(m_wxwindow);
911 if (window)
912 gdk_window_invalidate_rect(window, NULL, true);
913 }
914
915 bool wxTopLevelWindowGTK::Show( bool show )
916 {
917 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
918
919 #ifdef GDK_WINDOWING_X11
920 bool deferShow = show && !m_isShown && m_deferShow;
921 if (deferShow)
922 {
923 deferShow = m_deferShowAllowed &&
924 gs_requestFrameExtentsStatus != RFE_STATUS_BROKEN &&
925 !gtk_widget_get_realized(m_widget) &&
926 g_signal_handler_find(m_widget,
927 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
928 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
929 0, NULL, NULL, this);
930 if (deferShow)
931 {
932 GdkScreen* screen = gtk_widget_get_screen(m_widget);
933 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
934 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
935
936 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
937 // to m_decorSize, it breaks saving/restoring window size with
938 // GetSize()/SetSize() because it makes window bigger between each
939 // restore and save.
940 m_updateDecorSize = deferShow;
941 }
942
943 m_deferShow = deferShow;
944 }
945 if (deferShow)
946 {
947 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
948 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
949 // notification is received, so correct frame extents are known.
950 // This allows resizing m_widget to keep the overall size in sync with
951 // what wxWidgets expects it to be without an obvious change in the
952 // window size immediately after it becomes visible.
953
954 // Realize m_widget, so m_widget->window can be used. Realizing normally
955 // causes the widget tree to be size_allocated, which generates size
956 // events in the wrong order. However, the size_allocates will not be
957 // done if the allocation is not the default (1,1).
958 GtkAllocation alloc;
959 gtk_widget_get_allocation(m_widget, &alloc);
960 const int alloc_width = alloc.width;
961 if (alloc_width == 1)
962 {
963 alloc.width = 2;
964 gtk_widget_set_allocation(m_widget, &alloc);
965 }
966 gtk_widget_realize(m_widget);
967 if (alloc_width == 1)
968 {
969 alloc.width = 1;
970 gtk_widget_set_allocation(m_widget, &alloc);
971 }
972
973 // send _NET_REQUEST_FRAME_EXTENTS
974 XClientMessageEvent xevent;
975 memset(&xevent, 0, sizeof(xevent));
976 xevent.type = ClientMessage;
977 GdkWindow* window = gtk_widget_get_window(m_widget);
978 xevent.window = GDK_WINDOW_XID(window);
979 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
980 gdk_window_get_display(window),
981 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
982 xevent.format = 32;
983 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
984 XSendEvent(display, DefaultRootWindow(display), false,
985 SubstructureNotifyMask | SubstructureRedirectMask,
986 (XEvent*)&xevent);
987
988 if (gs_requestFrameExtentsStatus == RFE_STATUS_UNKNOWN)
989 {
990 // if WM does not respond to request within 1 second,
991 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
992 m_netFrameExtentsTimerId =
993 g_timeout_add(1000, request_frame_extents_timeout, this);
994 }
995
996 // defer calling gtk_widget_show()
997 m_isShown = true;
998 return true;
999 }
1000 #endif // GDK_WINDOWING_X11
1001
1002 if (show && !gtk_widget_get_realized(m_widget))
1003 {
1004 // size_allocate signals occur in reverse order (bottom to top).
1005 // Things work better if the initial wxSizeEvents are sent (from the
1006 // top down), before the initial size_allocate signals occur.
1007 wxSizeEvent event(GetSize(), GetId());
1008 event.SetEventObject(this);
1009 HandleWindowEvent(event);
1010 }
1011
1012 bool change = base_type::Show(show);
1013
1014 if (change && !show)
1015 {
1016 // make sure window has a non-default position, so when it is shown
1017 // again, it won't be repositioned by WM as if it were a new window
1018 // Note that this must be done _after_ the window is hidden.
1019 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
1020 }
1021
1022 return change;
1023 }
1024
1025 void wxTopLevelWindowGTK::ShowWithoutActivating()
1026 {
1027 if (!m_isShown)
1028 {
1029 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
1030 Show(true);
1031 }
1032 }
1033
1034 void wxTopLevelWindowGTK::Raise()
1035 {
1036 gtk_window_present( GTK_WINDOW( m_widget ) );
1037 }
1038
1039 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1040 {
1041 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1042 }
1043
1044 // ----------------------------------------------------------------------------
1045 // window geometry
1046 // ----------------------------------------------------------------------------
1047
1048 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1049 {
1050 wxSize size(m_width, m_height);
1051 size.x -= m_decorSize.left + m_decorSize.right;
1052 size.y -= m_decorSize.top + m_decorSize.bottom;
1053 if (size.x < 0) size.x = 0;
1054 if (size.y < 0) size.y = 0;
1055 #if wxUSE_LIBHILDON2
1056 if (width) {
1057 if (size.x == 720)
1058 *width = 696;
1059 else
1060 *width = size.x;
1061 }
1062 if (height) {
1063 if (size.y == 420)
1064 *height = 396;
1065 else if (size.y == 270)
1066 *height = 246;
1067 else
1068 *height = size.y;
1069 }
1070 #else // wxUSE_LIBHILDON2
1071 if (width) *width = size.x;
1072 if (height) *height = size.y;
1073 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1074 }
1075
1076 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1077 {
1078 wxCHECK_RET( m_widget, wxT("invalid frame") );
1079
1080 // deal with the position first
1081 int old_x = m_x;
1082 int old_y = m_y;
1083
1084 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1085 {
1086 // -1 means "use existing" unless the flag above is specified
1087 if ( x != -1 )
1088 m_x = x;
1089 if ( y != -1 )
1090 m_y = y;
1091 }
1092 else // wxSIZE_ALLOW_MINUS_ONE
1093 {
1094 m_x = x;
1095 m_y = y;
1096 }
1097
1098 if ( m_x != old_x || m_y != old_y )
1099 {
1100 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1101 wxMoveEvent event(wxPoint(m_x, m_y), GetId());
1102 event.SetEventObject(this);
1103 HandleWindowEvent(event);
1104 }
1105
1106 const wxSize oldSize(m_width, m_height);
1107 if (width >= 0)
1108 m_width = width;
1109 if (height >= 0)
1110 m_height = height;
1111 ConstrainSize();
1112 if (m_width < 1) m_width = 1;
1113 if (m_height < 1) m_height = 1;
1114 if (m_width != oldSize.x || m_height != oldSize.y)
1115 {
1116 m_deferShowAllowed = true;
1117 m_useCachedClientSize = false;
1118
1119 int w, h;
1120 GTKDoGetSize(&w, &h);
1121 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1122
1123 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1124 wxSizeEvent event(GetSize(), GetId());
1125 event.SetEventObject(this);
1126 HandleWindowEvent(event);
1127 }
1128 }
1129
1130 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1131 {
1132 base_type::DoSetClientSize(width, height);
1133
1134 // Since client size is being explicitly set, don't change it later
1135 // Has to be done after calling base because it calls SetSize,
1136 // which sets this true
1137 m_deferShowAllowed = false;
1138 }
1139
1140 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1141 {
1142 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1143
1144 if ( IsIconized() )
1145 {
1146 // for consistency with wxMSW, client area is supposed to be empty for
1147 // the iconized windows
1148 if ( width )
1149 *width = 0;
1150 if ( height )
1151 *height = 0;
1152 }
1153 else if (m_useCachedClientSize)
1154 base_type::DoGetClientSize(width, height);
1155 else
1156 {
1157 GTKDoGetSize(width, height);
1158 }
1159 }
1160
1161 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1162 int maxW, int maxH,
1163 int incW, int incH )
1164 {
1165 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1166 m_incWidth = incW;
1167 m_incHeight = incH;
1168
1169 const wxSize minSize = GetMinSize();
1170 const wxSize maxSize = GetMaxSize();
1171 GdkGeometry hints;
1172 // always set both min and max hints, otherwise GTK will
1173 // make assumptions we don't want about the unset values
1174 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1175 hints.min_width = 1;
1176 hints.min_height = 1;
1177 hints.max_width = INT_MAX;
1178 hints.max_height = INT_MAX;
1179 const int decorSize_x = m_decorSize.left + m_decorSize.right;
1180 const int decorSize_y = m_decorSize.top + m_decorSize.bottom;
1181 if (minSize.x > decorSize_x)
1182 hints.min_width = minSize.x - decorSize_x;
1183 if (minSize.y > decorSize_y)
1184 hints.min_height = minSize.y - decorSize_y;
1185 if (maxSize.x > 0)
1186 {
1187 hints.max_width = maxSize.x - decorSize_x;
1188 if (hints.max_width < hints.min_width)
1189 hints.max_width = hints.min_width;
1190 }
1191 if (maxSize.y > 0)
1192 {
1193 hints.max_height = maxSize.y - decorSize_y;
1194 if (hints.max_height < hints.min_height)
1195 hints.max_height = hints.min_height;
1196 }
1197 if (incW > 0 || incH > 0)
1198 {
1199 hints_mask |= GDK_HINT_RESIZE_INC;
1200 hints.width_inc = incW > 0 ? incW : 1;
1201 hints.height_inc = incH > 0 ? incH : 1;
1202 }
1203 gtk_window_set_geometry_hints(
1204 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1205 }
1206
1207 #ifdef GDK_WINDOWING_X11
1208 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const DecorSize& decorSize)
1209 {
1210 if (!IsMaximized() && !IsFullScreen())
1211 GetCachedDecorSize() = decorSize;
1212 if (m_updateDecorSize && memcmp(&m_decorSize, &decorSize, sizeof(DecorSize)))
1213 {
1214 m_useCachedClientSize = false;
1215 const wxSize diff(
1216 decorSize.left - m_decorSize.left + decorSize.right - m_decorSize.right,
1217 decorSize.top - m_decorSize.top + decorSize.bottom - m_decorSize.bottom);
1218 m_decorSize = decorSize;
1219 bool resized = false;
1220 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1221 {
1222 // update size hints, they depend on m_decorSize
1223 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1224 }
1225 if (m_deferShow)
1226 {
1227 // keep overall size unchanged by shrinking m_widget
1228 int w, h;
1229 GTKDoGetSize(&w, &h);
1230 // but not if size would be less than minimum, it won't take effect
1231 if (w >= m_minWidth - (decorSize.left + decorSize.right) &&
1232 h >= m_minHeight - (decorSize.top + decorSize.bottom))
1233 {
1234 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1235 resized = true;
1236 }
1237 }
1238 if (!resized)
1239 {
1240 // adjust overall size to match change in frame extents
1241 m_width += diff.x;
1242 m_height += diff.y;
1243 if (m_width < 1) m_width = 1;
1244 if (m_height < 1) m_height = 1;
1245 m_clientWidth = 0;
1246 gtk_widget_queue_resize(m_wxwindow);
1247 }
1248 }
1249 if (m_deferShow)
1250 {
1251 // gtk_widget_show() was deferred, do it now
1252 m_deferShow = false;
1253 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1254 wxSizeEvent sizeEvent(GetSize(), GetId());
1255 sizeEvent.SetEventObject(this);
1256 HandleWindowEvent(sizeEvent);
1257
1258 gtk_widget_show(m_widget);
1259
1260 wxShowEvent showEvent(GetId(), true);
1261 showEvent.SetEventObject(this);
1262 HandleWindowEvent(showEvent);
1263 }
1264 }
1265 #endif // GDK_WINDOWING_X11
1266
1267 wxTopLevelWindowGTK::DecorSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1268 {
1269 static DecorSize size[8];
1270
1271 int index = 0;
1272 // title bar
1273 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1274 index = 1;
1275 // border
1276 if (m_gdkDecor & GDK_DECOR_BORDER)
1277 index |= 2;
1278 // utility window decor can be different
1279 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1280 index |= 4;
1281 return size[index];
1282 }
1283
1284 void wxTopLevelWindowGTK::OnInternalIdle()
1285 {
1286 wxTopLevelWindowBase::OnInternalIdle();
1287
1288 // Synthetize activate events.
1289 if ( g_sendActivateEvent != -1 )
1290 {
1291 bool activate = g_sendActivateEvent != 0;
1292
1293 // if (!activate) wxPrintf( wxT("de") );
1294 // wxPrintf( wxT("activate\n") );
1295
1296 // do it only once
1297 g_sendActivateEvent = -1;
1298
1299 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1300 }
1301 }
1302
1303 // ----------------------------------------------------------------------------
1304 // frame title/icon
1305 // ----------------------------------------------------------------------------
1306
1307 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1308 {
1309 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1310
1311 if ( title == m_title )
1312 return;
1313
1314 m_title = title;
1315
1316 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1317 }
1318
1319 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1320 {
1321 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1322
1323 base_type::SetIcons(icons);
1324
1325 // Setting icons before window is realized can cause a GTK assertion if
1326 // another TLW is realized before this one, and it has this one as it's
1327 // transient parent. The life demo exibits this problem.
1328 if (gtk_widget_get_realized(m_widget))
1329 {
1330 GList* list = NULL;
1331 for (size_t i = icons.GetIconCount(); i--;)
1332 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1333 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1334 g_list_free(list);
1335 }
1336 }
1337
1338 // ----------------------------------------------------------------------------
1339 // frame state: maximized/iconized/normal
1340 // ----------------------------------------------------------------------------
1341
1342 void wxTopLevelWindowGTK::Maximize(bool maximize)
1343 {
1344 if (maximize)
1345 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1346 else
1347 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1348 }
1349
1350 bool wxTopLevelWindowGTK::IsMaximized() const
1351 {
1352 GdkWindow* window = NULL;
1353 if (m_widget)
1354 window = gtk_widget_get_window(m_widget);
1355 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1356 }
1357
1358 void wxTopLevelWindowGTK::Restore()
1359 {
1360 // "Present" seems similar enough to "restore"
1361 gtk_window_present( GTK_WINDOW( m_widget ) );
1362 }
1363
1364 void wxTopLevelWindowGTK::Iconize( bool iconize )
1365 {
1366 if (iconize)
1367 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1368 else
1369 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1370 }
1371
1372 bool wxTopLevelWindowGTK::IsIconized() const
1373 {
1374 return m_isIconized;
1375 }
1376
1377 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1378 {
1379 if ( iconize != m_isIconized )
1380 {
1381 m_isIconized = iconize;
1382 (void)SendIconizeEvent(iconize);
1383 }
1384 }
1385
1386 void wxTopLevelWindowGTK::AddGrab()
1387 {
1388 if (!m_grabbed)
1389 {
1390 m_grabbed = true;
1391 gtk_grab_add( m_widget );
1392 wxGUIEventLoop().Run();
1393 gtk_grab_remove( m_widget );
1394 }
1395 }
1396
1397 void wxTopLevelWindowGTK::RemoveGrab()
1398 {
1399 if (m_grabbed)
1400 {
1401 gtk_main_quit();
1402 m_grabbed = false;
1403 }
1404 }
1405
1406 bool wxTopLevelWindowGTK::IsActive()
1407 {
1408 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1409 }
1410
1411 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1412 {
1413 bool new_hint_value = false;
1414
1415 // FIXME: This is a workaround to focus handling problem
1416 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1417 // hasn't yet been processed, and the internal focus system is not up to date yet.
1418 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1419 // won't have side effects) - MR
1420 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1421
1422 if(m_urgency_hint >= 0)
1423 g_source_remove(m_urgency_hint);
1424
1425 m_urgency_hint = -2;
1426
1427 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1428 {
1429 new_hint_value = true;
1430
1431 if (flags & wxUSER_ATTENTION_INFO)
1432 {
1433 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1434 } else {
1435 m_urgency_hint = -1;
1436 }
1437 }
1438
1439 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1440 }
1441
1442 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1443 {
1444 // Store which styles were changed
1445 long styleChanges = style ^ m_windowStyle;
1446
1447 // Process wxWindow styles. This also updates the internal variable
1448 // Therefore m_windowStyle bits carry now the _new_ style values
1449 wxWindow::SetWindowStyleFlag(style);
1450
1451 // just return for now if widget does not exist yet
1452 if (!m_widget)
1453 return;
1454
1455 if ( styleChanges & wxSTAY_ON_TOP )
1456 {
1457 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1458 m_windowStyle & wxSTAY_ON_TOP);
1459 }
1460
1461 if ( styleChanges & wxFRAME_NO_TASKBAR )
1462 {
1463 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1464 m_windowStyle & wxFRAME_NO_TASKBAR);
1465 }
1466 }
1467
1468 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1469 {
1470 GdkWindow* window = NULL;
1471 if (m_widget)
1472 window = gtk_widget_get_window(m_widget);
1473 if (window == NULL)
1474 return false;
1475
1476 #ifdef GDK_WINDOWING_X11
1477 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1478 Window win = GDK_WINDOW_XID(window);
1479
1480 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1481 if (alpha == 0xff)
1482 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1483 else
1484 {
1485 long opacity = alpha * 0x1010101L;
1486 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1487 XA_CARDINAL, 32, PropModeReplace,
1488 (unsigned char *) &opacity, 1L);
1489 }
1490 XSync(dpy, False);
1491 return true;
1492 #else // !GDK_WINDOWING_X11
1493 return false;
1494 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1495 }
1496
1497 bool wxTopLevelWindowGTK::CanSetTransparent()
1498 {
1499 // allow to override automatic detection as it's far from perfect
1500 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1501 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1502 {
1503 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1504 }
1505
1506 #ifdef __WXGTK3__
1507 return gtk_widget_is_composited(m_widget) != 0;
1508 #else
1509 #if GTK_CHECK_VERSION(2,10,0)
1510 if (!gtk_check_version(2,10,0))
1511 {
1512 return gtk_widget_is_composited(m_widget) != 0;
1513 }
1514 else
1515 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1516 {
1517 return false;
1518 }
1519 #endif // !__WXGTK3__
1520
1521 #if 0 // Don't be optimistic here for the sake of wxAUI
1522 int opcode, event, error;
1523 // Check for the existence of a RGBA visual instead?
1524 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1525 "Composite", &opcode, &event, &error);
1526 #endif
1527 }
wxWidgets (Impactor)