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