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[wxWidgets.git] / src / gtk / toplevel.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/toplevel.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __VMS
21 #define XIconifyWindow XICONIFYWINDOW
22 #endif
23
24 #include "wx/toplevel.h"
25
26 #ifndef WX_PRECOMP
27 #include "wx/frame.h"
28 #include "wx/icon.h"
29 #include "wx/log.h"
30 #include "wx/app.h"
31 #endif
32
33 #include "wx/evtloop.h"
34 #include "wx/sysopt.h"
35
36 #include <gtk/gtk.h>
37 #ifdef GDK_WINDOWING_X11
38 #include <gdk/gdkx.h>
39 #include <X11/Xatom.h> // XA_CARDINAL
40 #include "wx/unix/utilsx11.h"
41 #endif
42
43 #include "wx/gtk/private.h"
44 #include "wx/gtk/private/gtk2-compat.h"
45 #include "wx/gtk/private/win_gtk.h"
46
47 #if wxUSE_LIBHILDON
48 #include <hildon-widgets/hildon-program.h>
49 #include <hildon-widgets/hildon-window.h>
50 #endif // wxUSE_LIBHILDON
51
52 #if wxUSE_LIBHILDON2
53 #include <hildon/hildon.h>
54 #endif // wxUSE_LIBHILDON2
55
56 // ----------------------------------------------------------------------------
57 // data
58 // ----------------------------------------------------------------------------
59
60 // this is incremented while a modal dialog is shown
61 int wxOpenModalDialogsCount = 0;
62
63 // the frame that is currently active (i.e. its child has focus). It is
64 // used to generate wxActivateEvents
65 static wxTopLevelWindowGTK *g_activeFrame = NULL;
66 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
67
68 // if we detect that the app has got/lost the focus, we set this variable to
69 // either TRUE or FALSE and an activate event will be sent during the next
70 // OnIdle() call and it is reset to -1: this value means that we shouldn't
71 // send any activate events at all
72 static int g_sendActivateEvent = -1;
73
74 #ifdef GDK_WINDOWING_X11
75 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
76 static enum {
77 RFE_STATUS_UNKNOWN, RFE_STATUS_WORKING, RFE_STATUS_BROKEN
78 } gs_requestFrameExtentsStatus;
79
80 static bool gs_decorCacheValid;
81 #endif
82
83 //-----------------------------------------------------------------------------
84 // RequestUserAttention related functions
85 //-----------------------------------------------------------------------------
86
87 #ifndef __WXGTK3__
88 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
89 gboolean setting)
90 {
91 #if GTK_CHECK_VERSION(2,7,0)
92 if (gtk_check_version(2,7,0) == NULL)
93 gtk_window_set_urgency_hint(win, setting);
94 else
95 #endif
96 {
97 #ifdef GDK_WINDOWING_X11
98 GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
99 wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
100
101 Display* dpy = GDK_WINDOW_XDISPLAY(window);
102 Window xid = GDK_WINDOW_XID(window);
103 XWMHints* wm_hints = XGetWMHints(dpy, xid);
104
105 if (!wm_hints)
106 wm_hints = XAllocWMHints();
107
108 if (setting)
109 wm_hints->flags |= XUrgencyHint;
110 else
111 wm_hints->flags &= ~XUrgencyHint;
112
113 XSetWMHints(dpy, xid, wm_hints);
114 XFree(wm_hints);
115 #endif // GDK_WINDOWING_X11
116 }
117 }
118 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
119 #endif
120
121 extern "C" {
122 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
123 {
124 gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
125
126 win->m_urgency_hint = -2;
127 return FALSE;
128 }
129 }
130
131 //-----------------------------------------------------------------------------
132 // "focus_in_event"
133 //-----------------------------------------------------------------------------
134
135 extern "C" {
136 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
137 GdkEvent *WXUNUSED(event),
138 wxTopLevelWindowGTK *win )
139 {
140 switch ( g_sendActivateEvent )
141 {
142 case -1:
143 // we've got focus from outside, synthetize wxActivateEvent
144 g_sendActivateEvent = 1;
145 break;
146
147 case 0:
148 // another our window just lost focus, it was already ours before
149 // - don't send any wxActivateEvent
150 g_sendActivateEvent = -1;
151 break;
152 }
153
154 g_activeFrame = win;
155 g_lastActiveFrame = g_activeFrame;
156
157 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
158
159 // MR: wxRequestUserAttention related block
160 switch( win->m_urgency_hint )
161 {
162 default:
163 g_source_remove( win->m_urgency_hint );
164 // no break, fallthrough to remove hint too
165 case -1:
166 gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
167 win->m_urgency_hint = -2;
168 break;
169
170 case -2: break;
171 }
172
173 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
174 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
175 event.SetEventObject(g_activeFrame);
176 g_activeFrame->HandleWindowEvent(event);
177
178 return FALSE;
179 }
180 }
181
182 //-----------------------------------------------------------------------------
183 // "focus_out_event"
184 //-----------------------------------------------------------------------------
185
186 extern "C" {
187 static
188 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
189 GdkEventFocus *WXUNUSED(gdk_event),
190 wxTopLevelWindowGTK * WXUNUSED(win))
191 {
192 // if the focus goes out of our app altogether, OnIdle() will send
193 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
194 // g_sendActivateEvent to -1
195 g_sendActivateEvent = 0;
196
197 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
198
199 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
200
201 if (g_activeFrame)
202 {
203 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
204 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
205 event.SetEventObject(g_activeFrame);
206 g_activeFrame->HandleWindowEvent(event);
207
208 g_activeFrame = NULL;
209 }
210
211 return FALSE;
212 }
213 }
214
215 // ----------------------------------------------------------------------------
216 // "key_press_event"
217 // ----------------------------------------------------------------------------
218
219 extern "C" {
220 static gboolean
221 wxgtk_tlw_key_press_event(GtkWidget *widget, GdkEventKey *event)
222 {
223 GtkWindow* const window = GTK_WINDOW(widget);
224
225 // By default GTK+ checks for the menu accelerators in this (top level)
226 // window first and then propagates the event to the currently focused
227 // child from where it bubbles up the window parent chain. In wxWidgets,
228 // however, we want the child window to have the event first but still
229 // handle it as an accelerator if it's not processed there, so we need to
230 // customize this by reversing the order of the steps done in the standard
231 // GTK+ gtk_window_key_press_event() handler.
232
233 if ( gtk_window_propagate_key_event(window, event) )
234 return TRUE;
235
236 if ( gtk_window_activate_key(window, event) )
237 return TRUE;
238
239 if (GTK_WIDGET_GET_CLASS(widget)->key_press_event(widget, event))
240 return TRUE;
241
242 return FALSE;
243 }
244 }
245
246 //-----------------------------------------------------------------------------
247 // "size_allocate" from m_wxwindow
248 //-----------------------------------------------------------------------------
249
250 extern "C" {
251 static void
252 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
253 {
254 win->m_useCachedClientSize = true;
255 if (win->m_clientWidth != alloc->width ||
256 win->m_clientHeight != alloc->height)
257 {
258 win->m_clientWidth = alloc->width;
259 win->m_clientHeight = alloc->height;
260
261 GtkAllocation a;
262 gtk_widget_get_allocation(win->m_widget, &a);
263 wxSize size(a.width, a.height);
264 size.x += win->m_decorSize.left + win->m_decorSize.right;
265 size.y += win->m_decorSize.top + win->m_decorSize.bottom;
266 win->m_width = size.x;
267 win->m_height = size.y;
268
269 if (!win->IsIconized())
270 {
271 wxSizeEvent event(size, win->GetId());
272 event.SetEventObject(win);
273 win->HandleWindowEvent(event);
274 }
275 // else the window is currently unmapped, don't generate size events
276 }
277 }
278 }
279
280 //-----------------------------------------------------------------------------
281 // "delete_event"
282 //-----------------------------------------------------------------------------
283
284 extern "C" {
285 static gboolean
286 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
287 GdkEvent *WXUNUSED(event),
288 wxTopLevelWindowGTK *win )
289 {
290 if (win->IsEnabled() &&
291 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
292 win->IsGrabbed()))
293 win->Close();
294
295 return TRUE;
296 }
297 }
298
299 //-----------------------------------------------------------------------------
300 // "configure_event"
301 //-----------------------------------------------------------------------------
302
303 extern "C" {
304 static gboolean
305 gtk_frame_configure_callback( GtkWidget*,
306 GdkEventConfigure* gdk_event,
307 wxTopLevelWindowGTK *win )
308 {
309 win->GTKConfigureEvent(gdk_event->x, gdk_event->y);
310 return false;
311 }
312 }
313
314 void wxTopLevelWindowGTK::GTKConfigureEvent(int x, int y)
315 {
316 wxPoint point;
317 #ifdef GDK_WINDOWING_X11
318 if (gs_decorCacheValid)
319 {
320 const DecorSize& decorSize = GetCachedDecorSize();
321 point.x = x - decorSize.left;
322 point.y = y - decorSize.top;
323 }
324 else
325 #endif
326 {
327 gtk_window_get_position(GTK_WINDOW(m_widget), &point.x, &point.y);
328 }
329
330 m_x = point.x;
331 m_y = point.y;
332 wxMoveEvent event(point, GetId());
333 event.SetEventObject(this);
334 HandleWindowEvent(event);
335 }
336
337 //-----------------------------------------------------------------------------
338 // "realize" from m_widget
339 //-----------------------------------------------------------------------------
340
341 // we cannot the WM hints and icons before the widget has been realized,
342 // so we do this directly after realization
343
344 void wxTopLevelWindowGTK::GTKHandleRealized()
345 {
346 wxNonOwnedWindow::GTKHandleRealized();
347
348 gdk_window_set_decorations(gtk_widget_get_window(m_widget),
349 (GdkWMDecoration)m_gdkDecor);
350 gdk_window_set_functions(gtk_widget_get_window(m_widget),
351 (GdkWMFunction)m_gdkFunc);
352
353 // GTK's shrinking/growing policy
354 if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
355 gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
356 #ifndef __WXGTK3__
357 else
358 gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
359 #endif
360
361 const wxIconBundle& icons = GetIcons();
362 if (icons.GetIconCount())
363 SetIcons(icons);
364
365 #ifdef __WXGTK3__
366 if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
367 {
368 // Grip window can end up obscured, probably due to deferred show.
369 // Reset grip to ensure it is visible.
370 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
371 gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
372 }
373 #endif
374 }
375
376 //-----------------------------------------------------------------------------
377 // "map_event" from m_widget
378 //-----------------------------------------------------------------------------
379
380 extern "C" {
381 static gboolean
382 gtk_frame_map_callback( GtkWidget*,
383 GdkEvent * WXUNUSED(event),
384 wxTopLevelWindow *win )
385 {
386 const bool wasIconized = win->IsIconized();
387 if (wasIconized)
388 {
389 // Because GetClientSize() returns (0,0) when IsIconized() is true,
390 // a size event must be generated, just in case GetClientSize() was
391 // called while iconized. This specifically happens when restoring a
392 // tlw that was "rolled up" with some WMs.
393 // Queue a resize rather than sending size event directly to allow
394 // children to be made visible first.
395 win->m_useCachedClientSize = false;
396 win->m_clientWidth = 0;
397 gtk_widget_queue_resize(win->m_wxwindow);
398 }
399 // it is possible for m_isShown to be false here, see bug #9909
400 if (win->wxWindowBase::Show(true))
401 {
402 wxShowEvent eventShow(win->GetId(), true);
403 eventShow.SetEventObject(win);
404 win->GetEventHandler()->ProcessEvent(eventShow);
405 }
406
407 // restore focus-on-map setting in case ShowWithoutActivating() was called
408 gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
409
410 return false;
411 }
412 }
413
414 //-----------------------------------------------------------------------------
415 // "window-state-event" from m_widget
416 //-----------------------------------------------------------------------------
417
418 extern "C" {
419 static gboolean
420 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
421 GdkEventWindowState *event,
422 wxTopLevelWindow *win )
423 {
424 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
425 win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
426
427 // if maximized bit changed and it is now set
428 if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
429 {
430 wxMaximizeEvent evt(win->GetId());
431 evt.SetEventObject(win);
432 win->HandleWindowEvent(evt);
433 }
434
435 if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
436 win->m_fsIsShowing = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
437
438 return false;
439 }
440 }
441
442 //-----------------------------------------------------------------------------
443
444 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
445 {
446 #ifdef GDK_WINDOWING_X11
447 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
448 GdkDisplay* display = gdk_window_get_display(window);
449 Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
450 Atom type;
451 int format;
452 gulong nitems, bytes_after;
453 guchar* data;
454 Status status = XGetWindowProperty(
455 GDK_DISPLAY_XDISPLAY(display),
456 GDK_WINDOW_XID(window),
457 xproperty,
458 0, 4, false, XA_CARDINAL,
459 &type, &format, &nitems, &bytes_after, &data);
460 const bool success = status == Success && data && nitems == 4;
461 if (success)
462 {
463 long* p = (long*)data;
464 if (left) *left = int(p[0]);
465 if (right) *right = int(p[1]);
466 if (top) *top = int(p[2]);
467 if (bottom) *bottom = int(p[3]);
468 }
469 if (data)
470 XFree(data);
471 return success;
472 #else
473 return false;
474 #endif
475 }
476
477 #ifdef GDK_WINDOWING_X11
478 //-----------------------------------------------------------------------------
479 // "property_notify_event" from m_widget
480 //-----------------------------------------------------------------------------
481
482 extern "C" {
483 static gboolean property_notify_event(
484 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
485 {
486 // Watch for changes to _NET_FRAME_EXTENTS property
487 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
488 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
489 {
490 if (win->m_netFrameExtentsTimerId)
491 {
492 // WM support for _NET_REQUEST_FRAME_EXTENTS is working
493 gs_requestFrameExtentsStatus = RFE_STATUS_WORKING;
494 g_source_remove(win->m_netFrameExtentsTimerId);
495 win->m_netFrameExtentsTimerId = 0;
496 }
497
498 wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
499 gs_decorCacheValid = wxGetFrameExtents(event->window,
500 &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
501
502 win->GTKUpdateDecorSize(decorSize);
503 }
504 return false;
505 }
506 }
507
508 extern "C" {
509 static gboolean request_frame_extents_timeout(void* data)
510 {
511 // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
512 gs_requestFrameExtentsStatus = RFE_STATUS_BROKEN;
513 gdk_threads_enter();
514 wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
515 win->m_netFrameExtentsTimerId = 0;
516 wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
517 wxGetFrameExtents(gtk_widget_get_window(win->m_widget),
518 &decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
519 win->GTKUpdateDecorSize(decorSize);
520 gdk_threads_leave();
521 return false;
522 }
523 }
524 #endif // GDK_WINDOWING_X11
525
526 // ----------------------------------------------------------------------------
527 // wxTopLevelWindowGTK creation
528 // ----------------------------------------------------------------------------
529
530 void wxTopLevelWindowGTK::Init()
531 {
532 m_mainWidget = NULL;
533 m_isIconized = false;
534 m_fsIsShowing = false;
535 m_themeEnabled = true;
536 m_gdkDecor =
537 m_gdkFunc = 0;
538 m_grabbed = false;
539 m_deferShow = true;
540 m_deferShowAllowed = true;
541 m_updateDecorSize = true;
542 m_netFrameExtentsTimerId = 0;
543 m_incWidth = m_incHeight = 0;
544 memset(&m_decorSize, 0, sizeof(m_decorSize));
545
546 m_urgency_hint = -2;
547 }
548
549 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
550 wxWindowID id,
551 const wxString& title,
552 const wxPoint& pos,
553 const wxSize& sizeOrig,
554 long style,
555 const wxString &name )
556 {
557 // always create a frame of some reasonable, even if arbitrary, size (at
558 // least for MSW compatibility)
559 wxSize size = sizeOrig;
560 size.x = WidthDefault(size.x);
561 size.y = HeightDefault(size.y);
562
563 wxTopLevelWindows.Append( this );
564
565 if (!PreCreation( parent, pos, size ) ||
566 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
567 {
568 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
569 return false;
570 }
571
572 m_title = title;
573
574 // NB: m_widget may be !=NULL if it was created by derived class' Create,
575 // e.g. in wxTaskBarIconAreaGTK
576 if (m_widget == NULL)
577 {
578 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
579 // we must create HildonWindow and not a normal GtkWindow as the latter
580 // doesn't look correctly in Maemo environment and it must also be
581 // registered with the main program object
582 m_widget = hildon_window_new();
583 hildon_program_add_window(wxTheApp->GetHildonProgram(),
584 HILDON_WINDOW(m_widget));
585 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
586 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
587 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
588 {
589 // Tell WM that this is a dialog window and make it center
590 // on parent by default (this is what GtkDialog ctor does):
591 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
592 GDK_WINDOW_TYPE_HINT_DIALOG);
593 gtk_window_set_position(GTK_WINDOW(m_widget),
594 GTK_WIN_POS_CENTER_ON_PARENT);
595 }
596 else
597 {
598 if (style & wxFRAME_TOOL_WINDOW)
599 {
600 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
601 GDK_WINDOW_TYPE_HINT_UTILITY);
602
603 // On some WMs, like KDE, a TOOL_WINDOW will still show
604 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
605 // For consistency between WMs and with Windows, we
606 // should set the NO_TASKBAR flag which will apply
607 // the set_skip_taskbar_hint if it is available,
608 // ensuring no taskbar entry will appear.
609 style |= wxFRAME_NO_TASKBAR;
610 }
611 }
612 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
613
614 g_object_ref(m_widget);
615 }
616
617 wxWindow *topParent = wxGetTopLevelParent(m_parent);
618 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
619 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
620 (style & wxFRAME_FLOAT_ON_PARENT)))
621 {
622 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
623 GTK_WINDOW(topParent->m_widget) );
624 }
625
626 if (style & wxFRAME_NO_TASKBAR)
627 {
628 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
629 }
630
631 if (style & wxSTAY_ON_TOP)
632 {
633 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
634 }
635 if (style & wxMAXIMIZE)
636 gtk_window_maximize(GTK_WINDOW(m_widget));
637
638 #if 0
639 if (!name.empty())
640 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
641 #endif
642
643 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
644 gtk_widget_set_can_focus(m_widget, false);
645
646 g_signal_connect (m_widget, "delete_event",
647 G_CALLBACK (gtk_frame_delete_callback), this);
648
649 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
650 m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
651 gtk_widget_show( m_mainWidget );
652 gtk_widget_set_can_focus(m_mainWidget, false);
653 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
654
655 // m_wxwindow is the client area
656 m_wxwindow = wxPizza::New();
657 gtk_widget_show( m_wxwindow );
658 gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
659
660 // we donm't allow the frame to get the focus as otherwise
661 // the frame will grab it at arbitrary focus changes
662 gtk_widget_set_can_focus(m_wxwindow, false);
663
664 if (m_parent) m_parent->AddChild( this );
665
666 g_signal_connect(m_wxwindow, "size_allocate",
667 G_CALLBACK(size_allocate), this);
668
669 PostCreation();
670
671 #ifndef __WXGTK3__
672 if ((m_x != -1) || (m_y != -1))
673 gtk_widget_set_uposition( m_widget, m_x, m_y );
674 #endif
675
676 // for some reported size corrections
677 g_signal_connect (m_widget, "map_event",
678 G_CALLBACK (gtk_frame_map_callback), this);
679
680 // for iconized state
681 g_signal_connect (m_widget, "window_state_event",
682 G_CALLBACK (gtk_frame_window_state_callback), this);
683
684
685 // for wxMoveEvent
686 g_signal_connect (m_widget, "configure_event",
687 G_CALLBACK (gtk_frame_configure_callback), this);
688
689 // activation
690 g_signal_connect_after (m_widget, "focus_in_event",
691 G_CALLBACK (gtk_frame_focus_in_callback), this);
692 g_signal_connect_after (m_widget, "focus_out_event",
693 G_CALLBACK (gtk_frame_focus_out_callback), this);
694
695 // We need to customize the default GTK+ logic for key processing to make
696 // it conforming to wxWidgets event processing order.
697 g_signal_connect (m_widget, "key_press_event",
698 G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
699
700 #ifdef GDK_WINDOWING_X11
701 #ifdef __WXGTK3__
702 if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
703 #endif
704 {
705 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
706 g_signal_connect(m_widget, "property_notify_event",
707 G_CALLBACK(property_notify_event), this);
708 }
709 #endif // GDK_WINDOWING_X11
710
711 // translate wx decorations styles into Motif WM hints (they are recognized
712 // by other WMs as well)
713
714 // always enable moving the window as we have no separate flag for enabling
715 // it
716 m_gdkFunc = GDK_FUNC_MOVE;
717
718 if ( style & wxCLOSE_BOX )
719 m_gdkFunc |= GDK_FUNC_CLOSE;
720
721 if ( style & wxMINIMIZE_BOX )
722 m_gdkFunc |= GDK_FUNC_MINIMIZE;
723
724 if ( style & wxMAXIMIZE_BOX )
725 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
726
727 if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
728 {
729 m_gdkDecor = 0;
730 }
731 else // have border
732 {
733 m_gdkDecor = GDK_DECOR_BORDER;
734
735 if ( style & wxCAPTION )
736 m_gdkDecor |= GDK_DECOR_TITLE;
737
738 if ( style & wxSYSTEM_MENU )
739 m_gdkDecor |= GDK_DECOR_MENU;
740
741 if ( style & wxMINIMIZE_BOX )
742 m_gdkDecor |= GDK_DECOR_MINIMIZE;
743
744 if ( style & wxMAXIMIZE_BOX )
745 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
746
747 if ( style & wxRESIZE_BORDER )
748 {
749 m_gdkFunc |= GDK_FUNC_RESIZE;
750 m_gdkDecor |= GDK_DECOR_RESIZEH;
751 }
752 }
753
754 // GTK sometimes chooses very small size if max size hint is not explicitly set
755 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
756
757 m_decorSize = GetCachedDecorSize();
758 int w, h;
759 GTKDoGetSize(&w, &h);
760 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
761
762 return true;
763 }
764
765 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
766 {
767 if ( m_netFrameExtentsTimerId )
768 {
769 // Don't let the timer callback fire as the window pointer passed to it
770 // will become invalid very soon.
771 g_source_remove(m_netFrameExtentsTimerId);
772 }
773
774 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
775 // it can also be a (standard) dialog
776 if ( HILDON_IS_WINDOW(m_widget) )
777 {
778 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
779 HILDON_WINDOW(m_widget));
780 }
781 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
782
783 if (m_grabbed)
784 {
785 wxFAIL_MSG(wxT("Window still grabbed"));
786 RemoveGrab();
787 }
788
789 SendDestroyEvent();
790
791 // it may also be GtkScrolledWindow in the case of an MDI child
792 if (GTK_IS_WINDOW(m_widget))
793 {
794 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
795 }
796
797 if (g_activeFrame == this)
798 g_activeFrame = NULL;
799 if (g_lastActiveFrame == this)
800 g_lastActiveFrame = NULL;
801 }
802
803 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
804 {
805 if (enable)
806 m_gdkFunc |= GDK_FUNC_CLOSE;
807 else
808 m_gdkFunc &= ~GDK_FUNC_CLOSE;
809
810 GdkWindow* window = gtk_widget_get_window(m_widget);
811 if (window)
812 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
813
814 return true;
815 }
816
817 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
818 {
819 if (show == m_fsIsShowing)
820 return false; // return what?
821
822 m_fsIsShowing = show;
823
824 #ifdef GDK_WINDOWING_X11
825 Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
826 Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
827 wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
828
829 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
830 // to switch to fullscreen, which is not always available. We must
831 // check if WM supports the spec and use legacy methods if it
832 // doesn't.
833 if ( method == wxX11_FS_WMSPEC )
834 #endif // GDK_WINDOWING_X11
835 {
836 if (show)
837 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
838 else
839 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
840 }
841 #ifdef GDK_WINDOWING_X11
842 else
843 {
844 GdkWindow* window = gtk_widget_get_window(m_widget);
845 Window xid = GDK_WINDOW_XID(window);
846
847 if (show)
848 {
849 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
850 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
851
852 GdkScreen* screen = gtk_widget_get_screen(m_widget);
853 const int screen_width = gdk_screen_get_width(screen);
854 const int screen_height = gdk_screen_get_height(screen);
855
856 gint client_x, client_y, root_x, root_y;
857 gint width, height;
858
859 m_fsSaveGdkFunc = m_gdkFunc;
860 m_fsSaveGdkDecor = m_gdkDecor;
861 m_gdkFunc = m_gdkDecor = 0;
862 gdk_window_set_decorations(window, (GdkWMDecoration)0);
863 gdk_window_set_functions(window, (GdkWMFunction)0);
864
865 gdk_window_get_origin(window, &root_x, &root_y);
866 gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
867
868 gdk_window_move_resize(
869 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
870
871 wxSetFullScreenStateX11(xdpy,
872 (WXWindow)xroot,
873 (WXWindow)xid,
874 show, &m_fsSaveFrame, method);
875 }
876 else // hide
877 {
878 m_gdkFunc = m_fsSaveGdkFunc;
879 m_gdkDecor = m_fsSaveGdkDecor;
880 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
881 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
882
883 wxSetFullScreenStateX11(xdpy,
884 (WXWindow)xroot,
885 (WXWindow)xid,
886 show, &m_fsSaveFrame, method);
887
888 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
889 m_fsSaveFrame.width, m_fsSaveFrame.height);
890 }
891 }
892 #endif // GDK_WINDOWING_X11
893
894 // documented behaviour is to show the window if it's still hidden when
895 // showing it full screen
896 if (show)
897 Show();
898
899 return true;
900 }
901
902 // ----------------------------------------------------------------------------
903 // overridden wxWindow methods
904 // ----------------------------------------------------------------------------
905
906 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
907 {
908 wxCHECK_RET( m_widget, wxT("invalid frame") );
909
910 gtk_widget_queue_draw( m_widget );
911
912 GdkWindow* window = NULL;
913 if (m_wxwindow)
914 window = gtk_widget_get_window(m_wxwindow);
915 if (window)
916 gdk_window_invalidate_rect(window, NULL, true);
917 }
918
919 bool wxTopLevelWindowGTK::Show( bool show )
920 {
921 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
922
923 #ifdef GDK_WINDOWING_X11
924 bool deferShow = show && !m_isShown && m_deferShow;
925 if (deferShow)
926 {
927 deferShow = m_deferShowAllowed &&
928 gs_requestFrameExtentsStatus != RFE_STATUS_BROKEN &&
929 !gtk_widget_get_realized(m_widget) &&
930 g_signal_handler_find(m_widget,
931 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
932 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
933 0, NULL, NULL, this);
934 if (deferShow)
935 {
936 GdkScreen* screen = gtk_widget_get_screen(m_widget);
937 GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
938 deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
939
940 // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
941 // to m_decorSize, it breaks saving/restoring window size with
942 // GetSize()/SetSize() because it makes window bigger between each
943 // restore and save.
944 m_updateDecorSize = deferShow;
945 }
946
947 m_deferShow = deferShow;
948 }
949 if (deferShow)
950 {
951 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
952 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
953 // notification is received, so correct frame extents are known.
954 // This allows resizing m_widget to keep the overall size in sync with
955 // what wxWidgets expects it to be without an obvious change in the
956 // window size immediately after it becomes visible.
957
958 // Realize m_widget, so m_widget->window can be used. Realizing normally
959 // causes the widget tree to be size_allocated, which generates size
960 // events in the wrong order. However, the size_allocates will not be
961 // done if the allocation is not the default (1,1).
962 GtkAllocation alloc;
963 gtk_widget_get_allocation(m_widget, &alloc);
964 const int alloc_width = alloc.width;
965 if (alloc_width == 1)
966 {
967 alloc.width = 2;
968 gtk_widget_set_allocation(m_widget, &alloc);
969 }
970 gtk_widget_realize(m_widget);
971 if (alloc_width == 1)
972 {
973 alloc.width = 1;
974 gtk_widget_set_allocation(m_widget, &alloc);
975 }
976
977 // send _NET_REQUEST_FRAME_EXTENTS
978 XClientMessageEvent xevent;
979 memset(&xevent, 0, sizeof(xevent));
980 xevent.type = ClientMessage;
981 GdkWindow* window = gtk_widget_get_window(m_widget);
982 xevent.window = GDK_WINDOW_XID(window);
983 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
984 gdk_window_get_display(window),
985 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
986 xevent.format = 32;
987 Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
988 XSendEvent(display, DefaultRootWindow(display), false,
989 SubstructureNotifyMask | SubstructureRedirectMask,
990 (XEvent*)&xevent);
991
992 if (gs_requestFrameExtentsStatus == RFE_STATUS_UNKNOWN)
993 {
994 // if WM does not respond to request within 1 second,
995 // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
996 m_netFrameExtentsTimerId =
997 g_timeout_add(1000, request_frame_extents_timeout, this);
998 }
999
1000 // defer calling gtk_widget_show()
1001 m_isShown = true;
1002 return true;
1003 }
1004 #endif // GDK_WINDOWING_X11
1005
1006 if (show && !gtk_widget_get_realized(m_widget))
1007 {
1008 // size_allocate signals occur in reverse order (bottom to top).
1009 // Things work better if the initial wxSizeEvents are sent (from the
1010 // top down), before the initial size_allocate signals occur.
1011 wxSizeEvent event(GetSize(), GetId());
1012 event.SetEventObject(this);
1013 HandleWindowEvent(event);
1014 }
1015
1016 bool change = base_type::Show(show);
1017
1018 if (change && !show)
1019 {
1020 // make sure window has a non-default position, so when it is shown
1021 // again, it won't be repositioned by WM as if it were a new window
1022 // Note that this must be done _after_ the window is hidden.
1023 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
1024 }
1025
1026 return change;
1027 }
1028
1029 void wxTopLevelWindowGTK::ShowWithoutActivating()
1030 {
1031 if (!m_isShown)
1032 {
1033 gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
1034 Show(true);
1035 }
1036 }
1037
1038 void wxTopLevelWindowGTK::Raise()
1039 {
1040 gtk_window_present( GTK_WINDOW( m_widget ) );
1041 }
1042
1043 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1044 {
1045 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1046 }
1047
1048 // ----------------------------------------------------------------------------
1049 // window geometry
1050 // ----------------------------------------------------------------------------
1051
1052 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1053 {
1054 wxSize size(m_width, m_height);
1055 size.x -= m_decorSize.left + m_decorSize.right;
1056 size.y -= m_decorSize.top + m_decorSize.bottom;
1057 if (size.x < 0) size.x = 0;
1058 if (size.y < 0) size.y = 0;
1059 #if wxUSE_LIBHILDON2
1060 if (width) {
1061 if (size.x == 720)
1062 *width = 696;
1063 else
1064 *width = size.x;
1065 }
1066 if (height) {
1067 if (size.y == 420)
1068 *height = 396;
1069 else if (size.y == 270)
1070 *height = 246;
1071 else
1072 *height = size.y;
1073 }
1074 #else // wxUSE_LIBHILDON2
1075 if (width) *width = size.x;
1076 if (height) *height = size.y;
1077 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1078 }
1079
1080 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1081 {
1082 wxCHECK_RET( m_widget, wxT("invalid frame") );
1083
1084 // deal with the position first
1085 int old_x = m_x;
1086 int old_y = m_y;
1087
1088 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1089 {
1090 // -1 means "use existing" unless the flag above is specified
1091 if ( x != -1 )
1092 m_x = x;
1093 if ( y != -1 )
1094 m_y = y;
1095 }
1096 else // wxSIZE_ALLOW_MINUS_ONE
1097 {
1098 m_x = x;
1099 m_y = y;
1100 }
1101
1102 if ( m_x != old_x || m_y != old_y )
1103 {
1104 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1105 }
1106
1107 const wxSize oldSize(m_width, m_height);
1108 if (width >= 0)
1109 m_width = width;
1110 if (height >= 0)
1111 m_height = height;
1112 ConstrainSize();
1113 if (m_width < 1) m_width = 1;
1114 if (m_height < 1) m_height = 1;
1115 if (m_width != oldSize.x || m_height != oldSize.y)
1116 {
1117 m_deferShowAllowed = true;
1118 m_useCachedClientSize = false;
1119
1120 int w, h;
1121 GTKDoGetSize(&w, &h);
1122 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1123
1124 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1125 wxSizeEvent event(GetSize(), GetId());
1126 event.SetEventObject(this);
1127 HandleWindowEvent(event);
1128 }
1129 }
1130
1131 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1132 {
1133 base_type::DoSetClientSize(width, height);
1134
1135 // Since client size is being explicitly set, don't change it later
1136 // Has to be done after calling base because it calls SetSize,
1137 // which sets this true
1138 m_deferShowAllowed = false;
1139 }
1140
1141 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1142 {
1143 wxASSERT_MSG(m_widget, wxT("invalid frame"));
1144
1145 if ( IsIconized() )
1146 {
1147 // for consistency with wxMSW, client area is supposed to be empty for
1148 // the iconized windows
1149 if ( width )
1150 *width = 0;
1151 if ( height )
1152 *height = 0;
1153 }
1154 else if (m_useCachedClientSize)
1155 base_type::DoGetClientSize(width, height);
1156 else
1157 {
1158 GTKDoGetSize(width, height);
1159 }
1160 }
1161
1162 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1163 int maxW, int maxH,
1164 int incW, int incH )
1165 {
1166 base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1167 m_incWidth = incW;
1168 m_incHeight = incH;
1169
1170 const wxSize minSize = GetMinSize();
1171 const wxSize maxSize = GetMaxSize();
1172 GdkGeometry hints;
1173 // always set both min and max hints, otherwise GTK will
1174 // make assumptions we don't want about the unset values
1175 int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1176 hints.min_width = 1;
1177 hints.min_height = 1;
1178 hints.max_width = INT_MAX;
1179 hints.max_height = INT_MAX;
1180 const int decorSize_x = m_decorSize.left + m_decorSize.right;
1181 const int decorSize_y = m_decorSize.top + m_decorSize.bottom;
1182 if (minSize.x > decorSize_x)
1183 hints.min_width = minSize.x - decorSize_x;
1184 if (minSize.y > decorSize_y)
1185 hints.min_height = minSize.y - decorSize_y;
1186 if (maxSize.x > 0)
1187 {
1188 hints.max_width = maxSize.x - decorSize_x;
1189 if (hints.max_width < hints.min_width)
1190 hints.max_width = hints.min_width;
1191 }
1192 if (maxSize.y > 0)
1193 {
1194 hints.max_height = maxSize.y - decorSize_y;
1195 if (hints.max_height < hints.min_height)
1196 hints.max_height = hints.min_height;
1197 }
1198 if (incW > 0 || incH > 0)
1199 {
1200 hints_mask |= GDK_HINT_RESIZE_INC;
1201 hints.width_inc = incW > 0 ? incW : 1;
1202 hints.height_inc = incH > 0 ? incH : 1;
1203 }
1204 gtk_window_set_geometry_hints(
1205 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1206 }
1207
1208 #ifdef GDK_WINDOWING_X11
1209 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const DecorSize& decorSize)
1210 {
1211 if (!IsMaximized() && !IsFullScreen())
1212 GetCachedDecorSize() = decorSize;
1213 if (m_updateDecorSize && memcmp(&m_decorSize, &decorSize, sizeof(DecorSize)))
1214 {
1215 m_useCachedClientSize = false;
1216 const wxSize diff(
1217 decorSize.left - m_decorSize.left + decorSize.right - m_decorSize.right,
1218 decorSize.top - m_decorSize.top + decorSize.bottom - m_decorSize.bottom);
1219 m_decorSize = decorSize;
1220 bool resized = false;
1221 if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1222 {
1223 // update size hints, they depend on m_decorSize
1224 DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1225 }
1226 if (m_deferShow)
1227 {
1228 // keep overall size unchanged by shrinking m_widget
1229 int w, h;
1230 GTKDoGetSize(&w, &h);
1231 // but not if size would be less than minimum, it won't take effect
1232 if (w >= m_minWidth - (decorSize.left + decorSize.right) &&
1233 h >= m_minHeight - (decorSize.top + decorSize.bottom))
1234 {
1235 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1236 resized = true;
1237 }
1238 }
1239 if (!resized)
1240 {
1241 // adjust overall size to match change in frame extents
1242 m_width += diff.x;
1243 m_height += diff.y;
1244 if (m_width < 1) m_width = 1;
1245 if (m_height < 1) m_height = 1;
1246 m_clientWidth = 0;
1247 gtk_widget_queue_resize(m_wxwindow);
1248 }
1249 }
1250 if (m_deferShow)
1251 {
1252 // gtk_widget_show() was deferred, do it now
1253 m_deferShow = false;
1254 DoGetClientSize(&m_clientWidth, &m_clientHeight);
1255 wxSizeEvent sizeEvent(GetSize(), GetId());
1256 sizeEvent.SetEventObject(this);
1257 HandleWindowEvent(sizeEvent);
1258
1259 gtk_widget_show(m_widget);
1260
1261 wxShowEvent showEvent(GetId(), true);
1262 showEvent.SetEventObject(this);
1263 HandleWindowEvent(showEvent);
1264 }
1265 }
1266 #endif // GDK_WINDOWING_X11
1267
1268 wxTopLevelWindowGTK::DecorSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1269 {
1270 static DecorSize size[8];
1271
1272 int index = 0;
1273 // title bar
1274 if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1275 index = 1;
1276 // border
1277 if (m_gdkDecor & GDK_DECOR_BORDER)
1278 index |= 2;
1279 // utility window decor can be different
1280 if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1281 index |= 4;
1282 return size[index];
1283 }
1284
1285 void wxTopLevelWindowGTK::OnInternalIdle()
1286 {
1287 wxTopLevelWindowBase::OnInternalIdle();
1288
1289 // Synthetize activate events.
1290 if ( g_sendActivateEvent != -1 )
1291 {
1292 bool activate = g_sendActivateEvent != 0;
1293
1294 // if (!activate) wxPrintf( wxT("de") );
1295 // wxPrintf( wxT("activate\n") );
1296
1297 // do it only once
1298 g_sendActivateEvent = -1;
1299
1300 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1301 }
1302 }
1303
1304 // ----------------------------------------------------------------------------
1305 // frame title/icon
1306 // ----------------------------------------------------------------------------
1307
1308 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1309 {
1310 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1311
1312 if ( title == m_title )
1313 return;
1314
1315 m_title = title;
1316
1317 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1318 }
1319
1320 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1321 {
1322 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1323
1324 base_type::SetIcons(icons);
1325
1326 // Setting icons before window is realized can cause a GTK assertion if
1327 // another TLW is realized before this one, and it has this one as it's
1328 // transient parent. The life demo exibits this problem.
1329 if (gtk_widget_get_realized(m_widget))
1330 {
1331 GList* list = NULL;
1332 for (size_t i = icons.GetIconCount(); i--;)
1333 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1334 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1335 g_list_free(list);
1336 }
1337 }
1338
1339 // ----------------------------------------------------------------------------
1340 // frame state: maximized/iconized/normal
1341 // ----------------------------------------------------------------------------
1342
1343 void wxTopLevelWindowGTK::Maximize(bool maximize)
1344 {
1345 if (maximize)
1346 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1347 else
1348 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1349 }
1350
1351 bool wxTopLevelWindowGTK::IsMaximized() const
1352 {
1353 GdkWindow* window = NULL;
1354 if (m_widget)
1355 window = gtk_widget_get_window(m_widget);
1356 return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1357 }
1358
1359 void wxTopLevelWindowGTK::Restore()
1360 {
1361 // "Present" seems similar enough to "restore"
1362 gtk_window_present( GTK_WINDOW( m_widget ) );
1363 }
1364
1365 void wxTopLevelWindowGTK::Iconize( bool iconize )
1366 {
1367 if (iconize)
1368 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1369 else
1370 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1371 }
1372
1373 bool wxTopLevelWindowGTK::IsIconized() const
1374 {
1375 return m_isIconized;
1376 }
1377
1378 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1379 {
1380 if ( iconize != m_isIconized )
1381 {
1382 m_isIconized = iconize;
1383 (void)SendIconizeEvent(iconize);
1384 }
1385 }
1386
1387 void wxTopLevelWindowGTK::AddGrab()
1388 {
1389 if (!m_grabbed)
1390 {
1391 m_grabbed = true;
1392 gtk_grab_add( m_widget );
1393 wxGUIEventLoop().Run();
1394 gtk_grab_remove( m_widget );
1395 }
1396 }
1397
1398 void wxTopLevelWindowGTK::RemoveGrab()
1399 {
1400 if (m_grabbed)
1401 {
1402 gtk_main_quit();
1403 m_grabbed = false;
1404 }
1405 }
1406
1407 bool wxTopLevelWindowGTK::IsActive()
1408 {
1409 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1410 }
1411
1412 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1413 {
1414 bool new_hint_value = false;
1415
1416 // FIXME: This is a workaround to focus handling problem
1417 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1418 // hasn't yet been processed, and the internal focus system is not up to date yet.
1419 // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1420 // won't have side effects) - MR
1421 wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1422
1423 if(m_urgency_hint >= 0)
1424 g_source_remove(m_urgency_hint);
1425
1426 m_urgency_hint = -2;
1427
1428 if( gtk_widget_get_realized(m_widget) && !IsActive() )
1429 {
1430 new_hint_value = true;
1431
1432 if (flags & wxUSER_ATTENTION_INFO)
1433 {
1434 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1435 } else {
1436 m_urgency_hint = -1;
1437 }
1438 }
1439
1440 gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1441 }
1442
1443 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1444 {
1445 // Store which styles were changed
1446 long styleChanges = style ^ m_windowStyle;
1447
1448 // Process wxWindow styles. This also updates the internal variable
1449 // Therefore m_windowStyle bits carry now the _new_ style values
1450 wxWindow::SetWindowStyleFlag(style);
1451
1452 // just return for now if widget does not exist yet
1453 if (!m_widget)
1454 return;
1455
1456 if ( styleChanges & wxSTAY_ON_TOP )
1457 {
1458 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1459 m_windowStyle & wxSTAY_ON_TOP);
1460 }
1461
1462 if ( styleChanges & wxFRAME_NO_TASKBAR )
1463 {
1464 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1465 m_windowStyle & wxFRAME_NO_TASKBAR);
1466 }
1467 }
1468
1469 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1470 {
1471 GdkWindow* window = NULL;
1472 if (m_widget)
1473 window = gtk_widget_get_window(m_widget);
1474 if (window == NULL)
1475 return false;
1476
1477 #ifdef GDK_WINDOWING_X11
1478 Display* dpy = GDK_WINDOW_XDISPLAY(window);
1479 Window win = GDK_WINDOW_XID(window);
1480
1481 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1482 if (alpha == 0xff)
1483 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1484 else
1485 {
1486 long opacity = alpha * 0x1010101L;
1487 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1488 XA_CARDINAL, 32, PropModeReplace,
1489 (unsigned char *) &opacity, 1L);
1490 }
1491 XSync(dpy, False);
1492 return true;
1493 #else // !GDK_WINDOWING_X11
1494 return false;
1495 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1496 }
1497
1498 bool wxTopLevelWindowGTK::CanSetTransparent()
1499 {
1500 // allow to override automatic detection as it's far from perfect
1501 const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1502 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1503 {
1504 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1505 }
1506
1507 #ifdef __WXGTK3__
1508 return gtk_widget_is_composited(m_widget) != 0;
1509 #else
1510 #if GTK_CHECK_VERSION(2,10,0)
1511 if (!gtk_check_version(2,10,0))
1512 {
1513 return gtk_widget_is_composited(m_widget) != 0;
1514 }
1515 else
1516 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1517 {
1518 return false;
1519 }
1520 #endif // !__WXGTK3__
1521
1522 #if 0 // Don't be optimistic here for the sake of wxAUI
1523 int opcode, event, error;
1524 // Check for the existence of a RGBA visual instead?
1525 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1526 "Composite", &opcode, &event, &error);
1527 #endif
1528 }
wxWidgets (Impactor)