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