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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/gtk/private.h"
35#include "wx/evtloop.h"
36#include "wx/sysopt.h"
37
38#include <gtk/gtk.h>
39#include <gdk/gdkx.h>
40
41#include "wx/gtk/win_gtk.h"
42
43#include "wx/unix/utilsx11.h"
44
45// XA_CARDINAL
46#include <X11/Xatom.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// ----------------------------------------------------------------------------
54// data
55// ----------------------------------------------------------------------------
56
57// this is incremented while a modal dialog is shown
58int wxOpenModalDialogsCount = 0;
59
60extern wxWindowGTK *g_delayedFocus;
61
62// the frame that is currently active (i.e. its child has focus). It is
63// used to generate wxActivateEvents
64static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
65static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
66
67// if we detect that the app has got/lost the focus, we set this variable to
68// either TRUE or FALSE and an activate event will be sent during the next
69// OnIdle() call and it is reset to -1: this value means that we shouldn't
70// send any activate events at all
71static int g_sendActivateEvent = -1;
72
73//-----------------------------------------------------------------------------
74// RequestUserAttention related functions
75//-----------------------------------------------------------------------------
76
77extern "C" {
78static void wxgtk_window_set_urgency_hint (GtkWindow *win,
79 gboolean setting)
80{
81 wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
82 GdkWindow *window = GTK_WIDGET(win)->window;
83 XWMHints *wm_hints;
84
85 wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
86
87 if (!wm_hints)
88 wm_hints = XAllocWMHints();
89
90 if (setting)
91 wm_hints->flags |= XUrgencyHint;
92 else
93 wm_hints->flags &= ~XUrgencyHint;
94
95 XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
96 XFree(wm_hints);
97}
98
99static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
100{
101#if GTK_CHECK_VERSION(2,7,0)
102 if(!gtk_check_version(2,7,0))
103 gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
104 else
105#endif
106 wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
107
108 win->m_urgency_hint = -2;
109 return FALSE;
110}
111}
112
113//-----------------------------------------------------------------------------
114// "focus_in_event"
115//-----------------------------------------------------------------------------
116
117extern "C" {
118static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
119 GdkEvent *WXUNUSED(event),
120 wxTopLevelWindowGTK *win )
121{
122 switch ( g_sendActivateEvent )
123 {
124 case -1:
125 // we've got focus from outside, synthetize wxActivateEvent
126 g_sendActivateEvent = 1;
127 break;
128
129 case 0:
130 // another our window just lost focus, it was already ours before
131 // - don't send any wxActivateEvent
132 g_sendActivateEvent = -1;
133 break;
134 }
135
136 g_activeFrame = win;
137 g_lastActiveFrame = g_activeFrame;
138
139 // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
140
141 // MR: wxRequestUserAttention related block
142 switch( win->m_urgency_hint )
143 {
144 default:
145 g_source_remove( win->m_urgency_hint );
146 // no break, fallthrough to remove hint too
147 case -1:
148#if GTK_CHECK_VERSION(2,7,0)
149 if(!gtk_check_version(2,7,0))
150 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
151 else
152#endif
153 {
154 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
155 }
156
157 win->m_urgency_hint = -2;
158 break;
159
160 case -2: break;
161 }
162
163 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
164 wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
165 event.SetEventObject(g_activeFrame);
166 g_activeFrame->GetEventHandler()->ProcessEvent(event);
167
168 return FALSE;
169}
170}
171
172//-----------------------------------------------------------------------------
173// "focus_out_event"
174//-----------------------------------------------------------------------------
175
176extern "C" {
177static
178gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
179 GdkEventFocus *WXUNUSED(gdk_event),
180 wxTopLevelWindowGTK * WXUNUSED(win))
181{
182 // if the focus goes out of our app alltogether, OnIdle() will send
183 // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
184 // g_sendActivateEvent to -1
185 g_sendActivateEvent = 0;
186
187 // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
188
189 // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
190
191 if (g_activeFrame)
192 {
193 wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
194 wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
195 event.SetEventObject(g_activeFrame);
196 g_activeFrame->GetEventHandler()->ProcessEvent(event);
197
198 g_activeFrame = NULL;
199 }
200
201 return FALSE;
202}
203}
204
205//-----------------------------------------------------------------------------
206
207// Get cached size of WM decorations for given GdkWMDecoration.
208static wxSize& GetDecorSize(int decor)
209{
210 // In testing, only the title bar and GDK_DECOR_BORDER made a difference.
211 // 4 possible combinations of title bar and border
212 static wxSize size[4];
213
214 int index = 0;
215 // title bar
216 if (decor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
217 index = 1;
218 // border
219 if (decor & GDK_DECOR_BORDER)
220 index |= 2;
221 return size[index];
222}
223
224//-----------------------------------------------------------------------------
225// "size_allocate" from m_wxwindow
226//-----------------------------------------------------------------------------
227
228extern "C" {
229static void
230size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
231{
232 if (win->m_oldClientWidth != alloc->width ||
233 win->m_oldClientHeight != alloc->height)
234 {
235 win->m_oldClientWidth = alloc->width;
236 win->m_oldClientHeight = alloc->height;
237 wxSize sizeDecor;
238 if (!win->IsFullScreen())
239 sizeDecor = GetDecorSize(win->m_gdkDecor);
240 win->m_width = win->m_widget->allocation.width + sizeDecor.x;
241 win->m_height = win->m_widget->allocation.height + sizeDecor.y;
242 if (!win->IsIconized())
243 {
244 wxSizeEvent event(win->GetSize(), win->GetId());
245 event.SetEventObject(win);
246 win->GetEventHandler()->ProcessEvent(event);
247 }
248 // else the window is currently unmapped, don't generate size events
249 }
250}
251}
252
253// ----------------------------------------------------------------------------
254// "size_request"
255// ----------------------------------------------------------------------------
256
257extern "C" {
258static
259void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
260 GtkRequisition *requisition,
261 wxTopLevelWindowGTK *win)
262{
263 // we must return the size of the window without WM decorations, otherwise
264 // GTK+ gets confused, so don't call just GetSize() here
265 win->GTKDoGetSize(&requisition->width, &requisition->height);
266}
267}
268
269//-----------------------------------------------------------------------------
270// "delete_event"
271//-----------------------------------------------------------------------------
272
273extern "C" {
274static gboolean
275gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
276 GdkEvent *WXUNUSED(event),
277 wxTopLevelWindowGTK *win )
278{
279 if (win->IsEnabled() &&
280 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
281 win->IsGrabbed()))
282 win->Close();
283
284 return TRUE;
285}
286}
287
288
289//-----------------------------------------------------------------------------
290// "configure_event"
291//-----------------------------------------------------------------------------
292
293extern "C" {
294static gboolean
295gtk_frame_configure_callback( GtkWidget* widget,
296 GdkEventConfigure *WXUNUSED(event),
297 wxTopLevelWindowGTK *win )
298{
299 if (!win->m_hasVMT || !win->IsShown())
300 return FALSE;
301
302 wxPoint point;
303 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
304
305 win->m_x = point.x;
306 win->m_y = point.y;
307 wxMoveEvent mevent(point, win->GetId());
308 mevent.SetEventObject( win );
309 win->GetEventHandler()->ProcessEvent( mevent );
310
311 return FALSE;
312}
313}
314
315//-----------------------------------------------------------------------------
316// "realize" from m_widget
317//-----------------------------------------------------------------------------
318
319// we cannot MWM hints and icons before the widget has been realized,
320// so we do this directly after realization
321
322extern "C" {
323static void
324gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
325 wxTopLevelWindowGTK *win )
326{
327 // All this is for Motif Window Manager "hints" and is supposed to be
328 // recognized by other WM as well. Not tested.
329 gdk_window_set_decorations(win->m_widget->window,
330 (GdkWMDecoration)win->m_gdkDecor);
331 gdk_window_set_functions(win->m_widget->window,
332 (GdkWMFunction)win->m_gdkFunc);
333
334 // GTK's shrinking/growing policy
335 if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
336 gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
337 else
338 gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
339
340 // reset the icon
341 wxIconBundle iconsOld = win->GetIcons();
342 if ( !iconsOld.IsEmpty() )
343 {
344 win->SetIcon( wxNullIcon );
345 win->SetIcons( iconsOld );
346 }
347}
348}
349
350//-----------------------------------------------------------------------------
351// "map_event" from m_widget
352//-----------------------------------------------------------------------------
353
354extern "C" {
355static gboolean
356gtk_frame_map_callback( GtkWidget* widget,
357 GdkEvent * WXUNUSED(event),
358 wxTopLevelWindow *win )
359{
360 // Calculate size of WM decorations.
361 // Done here in case WM does not support the _NET_FRAME_EXTENTS property.
362 if (win->IsDecorCacheable() && !win->IsFullScreen())
363 {
364 GdkRectangle rect;
365 gdk_window_get_frame_extents(widget->window, &rect);
366 int w, h;
367 gdk_drawable_get_size(widget->window, &w, &h);
368 wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
369 const wxSize size = wxSize(rect.width - w, rect.height - h);
370 if (decorSize.x != size.x || decorSize.y != size.y)
371 {
372 // Update window size and frame extents cache
373 win->m_width = rect.width;
374 win->m_height = rect.height;
375 decorSize = size;
376 }
377 }
378
379 const bool wasIconized = win->IsIconized();
380
381 win->SetIconizeState(false);
382
383 if (wasIconized)
384 {
385 // Because GetClientSize() returns (0,0) when IsIconized() is true,
386 // a size event must be generated, just in case GetClientSize() was
387 // called while iconized. This specifically happens when restoring a
388 // tlw that was "rolled up" with some WMs.
389 // Queue a resize rather than sending size event directly to allow
390 // children to be made visible first.
391 win->m_oldClientWidth = 0;
392 gtk_widget_queue_resize(win->m_wxwindow);
393 }
394
395 return false;
396}
397}
398
399//-----------------------------------------------------------------------------
400// "unmap_event" from m_widget
401//-----------------------------------------------------------------------------
402
403extern "C" {
404static gboolean
405gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
406 GdkEvent * WXUNUSED(event),
407 wxTopLevelWindow *win )
408{
409 win->SetIconizeState(true);
410 return false;
411}
412}
413
414//-----------------------------------------------------------------------------
415// "property_notify_event" from m_widget
416//-----------------------------------------------------------------------------
417
418extern "C" {
419static gboolean property_notify_event(
420 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
421{
422 // Watch for changes to _NET_FRAME_EXTENTS property
423 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
424 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property &&
425 win->IsDecorCacheable() && !win->IsFullScreen())
426 {
427 Atom xproperty = gdk_x11_atom_to_xatom_for_display(
428 gdk_drawable_get_display(event->window), property);
429 Atom type;
430 int format;
431 gulong nitems, bytes_after;
432 long* data = NULL;
433 Status status = XGetWindowProperty(
434 gdk_x11_drawable_get_xdisplay(event->window),
435 gdk_x11_drawable_get_xid(event->window),
436 xproperty,
437 0, 4, false, XA_CARDINAL,
438 &type, &format, &nitems, &bytes_after, (guchar**)&data);
439 if (status == Success && data && nitems == 4)
440 {
441 wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
442 const wxSize size =
443 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
444 if (decorSize.x != size.x || decorSize.y != size.y)
445 {
446 // Update window size and frame extents cache
447 win->m_width += size.x - decorSize.x;
448 win->m_height += size.y - decorSize.y;
449 if (win->m_width < 0) win->m_width = 0;
450 if (win->m_height < 0) win->m_height = 0;
451 decorSize = size;
452 win->m_oldClientWidth = 0;
453 gtk_widget_queue_resize(win->m_wxwindow);
454 }
455 }
456 if (data)
457 XFree(data);
458 }
459 return false;
460}
461}
462
463BEGIN_EVENT_TABLE(wxTopLevelWindowGTK, wxTopLevelWindowBase)
464 EVT_SYS_COLOUR_CHANGED(wxTopLevelWindowGTK::OnSysColourChanged)
465END_EVENT_TABLE()
466
467
468// ----------------------------------------------------------------------------
469// wxTopLevelWindowGTK creation
470// ----------------------------------------------------------------------------
471
472void wxTopLevelWindowGTK::Init()
473{
474 m_mainWidget = (GtkWidget*) NULL;
475 m_isIconized = false;
476 m_fsIsShowing = false;
477 m_themeEnabled = true;
478 m_gdkDecor = m_gdkFunc = 0;
479 m_grabbed = false;
480
481 m_urgency_hint = -2;
482}
483
484bool wxTopLevelWindowGTK::Create( wxWindow *parent,
485 wxWindowID id,
486 const wxString& title,
487 const wxPoint& pos,
488 const wxSize& sizeOrig,
489 long style,
490 const wxString &name )
491{
492 // always create a frame of some reasonable, even if arbitrary, size (at
493 // least for MSW compatibility)
494 wxSize size = sizeOrig;
495 size.x = WidthDefault(size.x);
496 size.y = HeightDefault(size.y);
497
498 wxTopLevelWindows.Append( this );
499
500 if (!PreCreation( parent, pos, size ) ||
501 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
502 {
503 wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
504 return false;
505 }
506
507 m_title = title;
508
509 // NB: m_widget may be !=NULL if it was created by derived class' Create,
510 // e.g. in wxTaskBarIconAreaGTK
511 if (m_widget == NULL)
512 {
513#if wxUSE_LIBHILDON
514 // we must create HildonWindow and not a normal GtkWindow as the latter
515 // doesn't look correctly in Maemo environment and it must also be
516 // registered with the main program object
517 m_widget = hildon_window_new();
518 hildon_program_add_window(wxTheApp->GetHildonProgram(),
519 HILDON_WINDOW(m_widget));
520#else // !wxUSE_LIBHILDON
521 m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
522 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
523 {
524 // Tell WM that this is a dialog window and make it center
525 // on parent by default (this is what GtkDialog ctor does):
526 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
527 GDK_WINDOW_TYPE_HINT_DIALOG);
528 gtk_window_set_position(GTK_WINDOW(m_widget),
529 GTK_WIN_POS_CENTER_ON_PARENT);
530 }
531 else
532 {
533 if (style & wxFRAME_TOOL_WINDOW)
534 {
535 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
536 GDK_WINDOW_TYPE_HINT_UTILITY);
537
538 // On some WMs, like KDE, a TOOL_WINDOW will still show
539 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
540 // For consistency between WMs and with Windows, we
541 // should set the NO_TASKBAR flag which will apply
542 // the set_skip_taskbar_hint if it is available,
543 // ensuring no taskbar entry will appear.
544 style |= wxFRAME_NO_TASKBAR;
545 }
546 }
547#endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
548 }
549
550 wxWindow *topParent = wxGetTopLevelParent(m_parent);
551 if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
552 (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
553 (style & wxFRAME_FLOAT_ON_PARENT)))
554 {
555 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
556 GTK_WINDOW(topParent->m_widget) );
557 }
558
559 if (style & wxFRAME_NO_TASKBAR)
560 {
561 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
562 }
563
564 if (style & wxSTAY_ON_TOP)
565 {
566 gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
567 }
568
569#if 0
570 if (!name.empty())
571 gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
572#endif
573
574 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
575 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
576
577 g_signal_connect (m_widget, "delete_event",
578 G_CALLBACK (gtk_frame_delete_callback), this);
579
580 // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
581 m_mainWidget = gtk_vbox_new(false, 0);
582 gtk_widget_show( m_mainWidget );
583 GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
584 gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
585
586 // m_wxwindow is the client area
587 m_wxwindow = wxPizza::New();
588 gtk_widget_show( m_wxwindow );
589 gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
590
591 // we donm't allow the frame to get the focus as otherwise
592 // the frame will grab it at arbitrary focus changes
593 GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
594
595 if (m_parent) m_parent->AddChild( this );
596
597 g_signal_connect(m_wxwindow, "size_allocate",
598 G_CALLBACK(size_allocate), this);
599
600 g_signal_connect (m_widget, "size_request",
601 G_CALLBACK (wxgtk_tlw_size_request_callback), this);
602 PostCreation();
603
604 if ((m_x != -1) || (m_y != -1))
605 gtk_widget_set_uposition( m_widget, m_x, m_y );
606
607 // we cannot set MWM hints and icons before the widget has
608 // been realized, so we do this directly after realization
609 g_signal_connect (m_widget, "realize",
610 G_CALLBACK (gtk_frame_realized_callback), this);
611
612 // map and unmap for iconized state
613 g_signal_connect (m_widget, "map_event",
614 G_CALLBACK (gtk_frame_map_callback), this);
615 g_signal_connect (m_widget, "unmap_event",
616 G_CALLBACK (gtk_frame_unmap_callback), this);
617
618 // for wxMoveEvent
619 g_signal_connect (m_widget, "configure_event",
620 G_CALLBACK (gtk_frame_configure_callback), this);
621
622 // activation
623 g_signal_connect_after (m_widget, "focus_in_event",
624 G_CALLBACK (gtk_frame_focus_in_callback), this);
625 g_signal_connect_after (m_widget, "focus_out_event",
626 G_CALLBACK (gtk_frame_focus_out_callback), this);
627
628 gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
629 g_signal_connect(m_widget, "property_notify_event",
630 G_CALLBACK(property_notify_event), this);
631
632 // decorations
633 if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
634 {
635 m_gdkDecor = 0;
636 m_gdkFunc = 0;
637 }
638 else
639 {
640 m_gdkDecor = GDK_DECOR_BORDER;
641 m_gdkFunc = GDK_FUNC_MOVE;
642
643 // All this is for Motif Window Manager "hints" and is supposed to be
644 // recognized by other WMs as well.
645 if ((style & wxCAPTION) != 0)
646 {
647 m_gdkDecor |= GDK_DECOR_TITLE;
648 }
649 if ((style & wxCLOSE_BOX) != 0)
650 {
651 m_gdkFunc |= GDK_FUNC_CLOSE;
652 }
653 if ((style & wxSYSTEM_MENU) != 0)
654 {
655 m_gdkDecor |= GDK_DECOR_MENU;
656 }
657 if ((style & wxMINIMIZE_BOX) != 0)
658 {
659 m_gdkFunc |= GDK_FUNC_MINIMIZE;
660 m_gdkDecor |= GDK_DECOR_MINIMIZE;
661 }
662 if ((style & wxMAXIMIZE_BOX) != 0)
663 {
664 m_gdkFunc |= GDK_FUNC_MAXIMIZE;
665 m_gdkDecor |= GDK_DECOR_MAXIMIZE;
666 }
667 if ((style & wxRESIZE_BORDER) != 0)
668 {
669 m_gdkFunc |= GDK_FUNC_RESIZE;
670 m_gdkDecor |= GDK_DECOR_RESIZEH;
671 }
672 }
673
674 // m_gdkDecor needs to be set before calling GTKDoGetSize
675 int w, h;
676 GTKDoGetSize(&w, &h);
677 gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
678
679 return true;
680}
681
682wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
683{
684#if wxUSE_LIBHILDON
685 // it can also be a (standard) dialog
686 if ( HILDON_IS_WINDOW(m_widget) )
687 {
688 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
689 HILDON_WINDOW(m_widget));
690 }
691#endif // wxUSE_LIBHILDON
692
693 if (m_grabbed)
694 {
695 wxFAIL_MSG(_T("Window still grabbed"));
696 RemoveGrab();
697 }
698
699 m_isBeingDeleted = true;
700
701 // it may also be GtkScrolledWindow in the case of an MDI child
702 if (GTK_IS_WINDOW(m_widget))
703 {
704 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
705 }
706
707 if (g_activeFrame == this)
708 g_activeFrame = NULL;
709 if (g_lastActiveFrame == this)
710 g_lastActiveFrame = NULL;
711}
712
713bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
714{
715 if (enable)
716 m_gdkFunc |= GDK_FUNC_CLOSE;
717 else
718 m_gdkFunc &= ~GDK_FUNC_CLOSE;
719
720 if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
721 gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
722
723 return true;
724}
725
726bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
727{
728 if (show == m_fsIsShowing)
729 return false; // return what?
730
731 m_fsIsShowing = show;
732
733 wxX11FullScreenMethod method =
734 wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
735 (WXWindow)GDK_ROOT_WINDOW());
736
737 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
738 // to switch to fullscreen, which is not always available. We must
739 // check if WM supports the spec and use legacy methods if it
740 // doesn't.
741 if ( method == wxX11_FS_WMSPEC )
742 {
743 if (show)
744 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
745 else
746 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
747 }
748 else
749 {
750 GdkWindow *window = m_widget->window;
751
752 if (show)
753 {
754 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
755 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
756
757 int screen_width,screen_height;
758 wxDisplaySize( &screen_width, &screen_height );
759
760 gint client_x, client_y, root_x, root_y;
761 gint width, height;
762
763 m_fsSaveGdkFunc = m_gdkFunc;
764 m_fsSaveGdkDecor = m_gdkDecor;
765 m_gdkFunc = m_gdkDecor = 0;
766 gdk_window_set_decorations(window, (GdkWMDecoration)0);
767 gdk_window_set_functions(window, (GdkWMFunction)0);
768
769 gdk_window_get_origin (m_widget->window, &root_x, &root_y);
770 gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
771 &width, &height, NULL);
772
773 gdk_window_move_resize (m_widget->window, -client_x, -client_y,
774 screen_width + 1, screen_height + 1);
775
776 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
777 (WXWindow)GDK_ROOT_WINDOW(),
778 (WXWindow)GDK_WINDOW_XWINDOW(window),
779 show, &m_fsSaveFrame, method);
780 }
781 else // hide
782 {
783 m_gdkFunc = m_fsSaveGdkFunc;
784 m_gdkDecor = m_fsSaveGdkDecor;
785 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
786 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
787
788 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
789 (WXWindow)GDK_ROOT_WINDOW(),
790 (WXWindow)GDK_WINDOW_XWINDOW(window),
791 show, &m_fsSaveFrame, method);
792
793 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
794 m_fsSaveFrame.width, m_fsSaveFrame.height);
795 }
796 }
797
798 // documented behaviour is to show the window if it's still hidden when
799 // showing it full screen
800 if (show)
801 Show();
802
803 return true;
804}
805
806// ----------------------------------------------------------------------------
807// overridden wxWindow methods
808// ----------------------------------------------------------------------------
809
810bool wxTopLevelWindowGTK::Show( bool show )
811{
812 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
813
814 if (show && !IsShown())
815 {
816 // size_allocate signals occur in reverse order (bottom to top).
817 // Things work better if the initial wxSizeEvents are sent (from the
818 // top down), before the initial size_allocate signals occur.
819 wxSizeEvent event(GetSize(), GetId());
820 event.SetEventObject(this);
821 GetEventHandler()->ProcessEvent(event);
822 }
823
824 bool change = wxTopLevelWindowBase::Show(show);
825
826 if (change && !show)
827 {
828 // make sure window has a non-default position, so when it is shown
829 // again, it won't be repositioned by WM as if it were a new window
830 // Note that this must be done _after_ the window is hidden.
831 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
832 }
833
834 return change;
835}
836
837void wxTopLevelWindowGTK::Raise()
838{
839 gtk_window_present( GTK_WINDOW( m_widget ) );
840}
841
842void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
843{
844 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
845}
846
847// ----------------------------------------------------------------------------
848// window geometry
849// ----------------------------------------------------------------------------
850
851void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
852{
853 wxSize size(m_width, m_height);
854 if (!IsFullScreen())
855 {
856 size -= GetDecorSize(m_gdkDecor);
857 if (size.x < 0) size.x = 0;
858 if (size.y < 0) size.y = 0;
859 }
860 if (width) *width = size.x;
861 if (height) *height = size.y;
862}
863
864void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
865{
866 wxCHECK_RET( m_widget, wxT("invalid frame") );
867
868 // deal with the position first
869 int old_x = m_x;
870 int old_y = m_y;
871
872 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
873 {
874 // -1 means "use existing" unless the flag above is specified
875 if ( x != -1 )
876 m_x = x;
877 if ( y != -1 )
878 m_y = y;
879 }
880 else // wxSIZE_ALLOW_MINUS_ONE
881 {
882 m_x = x;
883 m_y = y;
884 }
885
886 if ( m_x != old_x || m_y != old_y )
887 {
888 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
889 }
890
891 const wxSize oldSize(m_width, m_height);
892 if (width >= 0)
893 m_width = width;
894 if (height >= 0)
895 m_height = height;
896 ConstrainSize();
897 if (m_width != oldSize.x || m_height != oldSize.y)
898 {
899 int w, h;
900 GTKDoGetSize(&w, &h);
901 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
902
903 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
904 wxSizeEvent event(GetSize(), GetId());
905 event.SetEventObject(this);
906 GetEventHandler()->ProcessEvent(event);
907 }
908}
909
910void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
911{
912 wxASSERT_MSG(m_widget, wxT("invalid frame"));
913
914 if ( IsIconized() )
915 {
916 // for consistency with wxMSW, client area is supposed to be empty for
917 // the iconized windows
918 if ( width )
919 *width = 0;
920 if ( height )
921 *height = 0;
922 }
923 else
924 {
925 GTKDoGetSize(width, height);
926 }
927}
928
929void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
930 int maxW, int maxH,
931 int incW, int incH )
932{
933 wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
934
935 const wxSize minSize = GetMinSize();
936 const wxSize maxSize = GetMaxSize();
937 GdkGeometry hints;
938 int hints_mask = 0;
939 const wxSize sizeDecor = GetDecorSize(m_gdkDecor);
940 if (minSize.x > 0 || minSize.y > 0)
941 {
942 hints_mask |= GDK_HINT_MIN_SIZE;
943 hints.min_width = minSize.x - sizeDecor.x;
944 if (hints.min_width < 0)
945 hints.min_width = 0;
946 hints.min_height = minSize.y - sizeDecor.y;
947 if (hints.min_height < 0)
948 hints.min_height = 0;
949 }
950 if (maxSize.x > 0 || maxSize.y > 0)
951 {
952 hints_mask |= GDK_HINT_MAX_SIZE;
953 hints.max_width = maxSize.x - sizeDecor.x;
954 if (hints.max_width < 0)
955 hints.max_width = INT_MAX;
956 hints.max_height = maxSize.y - sizeDecor.y;
957 if (hints.max_height < 0)
958 hints.max_height = INT_MAX;
959 }
960 if (incW > 0 || incH > 0)
961 {
962 hints_mask |= GDK_HINT_RESIZE_INC;
963 hints.width_inc = incW > 0 ? incW : 1;
964 hints.height_inc = incH > 0 ? incH : 1;
965 }
966 gtk_window_set_geometry_hints(
967 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
968}
969
970bool wxTopLevelWindowGTK::IsDecorCacheable() const
971{
972 return true;
973}
974
975void wxTopLevelWindowGTK::OnInternalIdle()
976{
977 // set the focus if not done yet and if we can already do it
978 if ( GTK_WIDGET_REALIZED(m_wxwindow) )
979 {
980 if ( g_delayedFocus &&
981 wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
982 {
983 wxLogTrace(_T("focus"),
984 _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
985 g_delayedFocus->GetClassInfo()->GetClassName(),
986 g_delayedFocus->GetLabel().c_str());
987
988 g_delayedFocus->SetFocus();
989 g_delayedFocus = NULL;
990 }
991 }
992
993 wxWindow::OnInternalIdle();
994
995 // Synthetize activate events.
996 if ( g_sendActivateEvent != -1 )
997 {
998 bool activate = g_sendActivateEvent != 0;
999
1000 // if (!activate) wxPrintf( wxT("de") );
1001 // wxPrintf( wxT("activate\n") );
1002
1003 // do it only once
1004 g_sendActivateEvent = -1;
1005
1006 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1007 }
1008}
1009
1010// ----------------------------------------------------------------------------
1011// frame title/icon
1012// ----------------------------------------------------------------------------
1013
1014void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1015{
1016 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1017
1018 if ( title == m_title )
1019 return;
1020
1021 m_title = title;
1022
1023 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1024}
1025
1026void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1027{
1028 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1029
1030 wxTopLevelWindowBase::SetIcons( icons );
1031
1032 GList *list = NULL;
1033
1034 const size_t numIcons = icons.GetIconCount();
1035 for ( size_t i = 0; i < numIcons; i++ )
1036 {
1037 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1038 }
1039
1040 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1041 g_list_free(list);
1042}
1043
1044// ----------------------------------------------------------------------------
1045// frame state: maximized/iconized/normal
1046// ----------------------------------------------------------------------------
1047
1048void wxTopLevelWindowGTK::Maximize(bool maximize)
1049{
1050 if (maximize)
1051 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1052 else
1053 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1054}
1055
1056bool wxTopLevelWindowGTK::IsMaximized() const
1057{
1058 if(!m_widget->window)
1059 return false;
1060
1061 return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1062}
1063
1064void wxTopLevelWindowGTK::Restore()
1065{
1066 // "Present" seems similar enough to "restore"
1067 gtk_window_present( GTK_WINDOW( m_widget ) );
1068}
1069
1070void wxTopLevelWindowGTK::Iconize( bool iconize )
1071{
1072 if (iconize)
1073 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1074 else
1075 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1076}
1077
1078bool wxTopLevelWindowGTK::IsIconized() const
1079{
1080 return m_isIconized;
1081}
1082
1083void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1084{
1085 if ( iconize != m_isIconized )
1086 {
1087 m_isIconized = iconize;
1088 (void)SendIconizeEvent(iconize);
1089 }
1090}
1091
1092void wxTopLevelWindowGTK::AddGrab()
1093{
1094 if (!m_grabbed)
1095 {
1096 m_grabbed = true;
1097 gtk_grab_add( m_widget );
1098 wxGUIEventLoop().Run();
1099 gtk_grab_remove( m_widget );
1100 }
1101}
1102
1103void wxTopLevelWindowGTK::RemoveGrab()
1104{
1105 if (m_grabbed)
1106 {
1107 gtk_main_quit();
1108 m_grabbed = false;
1109 }
1110}
1111
1112
1113// helper
1114static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1115{
1116 if (window)
1117 {
1118 if (region.IsEmpty())
1119 {
1120 gdk_window_shape_combine_mask(window, NULL, 0, 0);
1121 }
1122 else
1123 {
1124 gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1125 return true;
1126 }
1127 }
1128 return false;
1129}
1130
1131
1132bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1133{
1134 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1135 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1136
1137 GdkWindow *window = NULL;
1138 if (m_wxwindow)
1139 {
1140 do_shape_combine_region(m_wxwindow->window, region);
1141 }
1142 window = m_widget->window;
1143 return do_shape_combine_region(window, region);
1144}
1145
1146bool wxTopLevelWindowGTK::IsActive()
1147{
1148 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1149}
1150
1151void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1152{
1153 bool new_hint_value = false;
1154
1155 // FIXME: This is a workaround to focus handling problem
1156 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
1157 // yet been processed, and the internal focus system is not up to date yet.
1158 // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
1159 ::wxYieldIfNeeded();
1160
1161 if(m_urgency_hint >= 0)
1162 g_source_remove(m_urgency_hint);
1163
1164 m_urgency_hint = -2;
1165
1166 if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1167 {
1168 new_hint_value = true;
1169
1170 if (flags & wxUSER_ATTENTION_INFO)
1171 {
1172 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1173 } else {
1174 m_urgency_hint = -1;
1175 }
1176 }
1177
1178#if GTK_CHECK_VERSION(2,7,0)
1179 if(!gtk_check_version(2,7,0))
1180 gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1181 else
1182#endif
1183 wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1184}
1185
1186void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1187{
1188 // Store which styles were changed
1189 long styleChanges = style ^ m_windowStyle;
1190
1191 // Process wxWindow styles. This also updates the internal variable
1192 // Therefore m_windowStyle bits carry now the _new_ style values
1193 wxWindow::SetWindowStyleFlag(style);
1194
1195 // just return for now if widget does not exist yet
1196 if (!m_widget)
1197 return;
1198
1199 if ( styleChanges & wxSTAY_ON_TOP )
1200 {
1201 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1202 m_windowStyle & wxSTAY_ON_TOP);
1203 }
1204
1205 if ( styleChanges & wxFRAME_NO_TASKBAR )
1206 {
1207 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1208 m_windowStyle & wxFRAME_NO_TASKBAR);
1209 }
1210}
1211
1212/* Get the X Window between child and the root window.
1213 This should usually be the WM managed XID */
1214static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1215{
1216 Window root, parent;
1217 Window* children;
1218 unsigned int nchildren;
1219
1220 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1221 XFree(children);
1222
1223 while (parent != root) {
1224 child = parent;
1225 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1226 XFree(children);
1227 }
1228
1229 return child;
1230}
1231
1232bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1233{
1234 if (!m_widget || !m_widget->window)
1235 return false;
1236
1237 Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1238 // We need to get the X Window that has the root window as the immediate parent
1239 // and m_widget->window as a child. This should be the X Window that the WM manages and
1240 // from which the opacity property is checked from.
1241 Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1242
1243
1244 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1245 if (alpha == 0xff)
1246 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1247 else
1248 {
1249 long opacity = alpha * 0x1010101L;
1250 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1251 XA_CARDINAL, 32, PropModeReplace,
1252 (unsigned char *) &opacity, 1L);
1253 }
1254 XSync(dpy, False);
1255 return true;
1256}
1257
1258bool wxTopLevelWindowGTK::CanSetTransparent()
1259{
1260 // allow to override automatic detection as it's far from perfect
1261 static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
1262 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1263 {
1264 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1265 }
1266
1267#if GTK_CHECK_VERSION(2,10,0)
1268 if (!gtk_check_version(2,10,0))
1269 {
1270 return (gtk_widget_is_composited (m_widget));
1271 }
1272 else
1273#endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1274 {
1275 return false;
1276 }
1277
1278#if 0 // Don't be optimistic here for the sake of wxAUI
1279 int opcode, event, error;
1280 // Check for the existence of a RGBA visual instead?
1281 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1282 "Composite", &opcode, &event, &error);
1283#endif
1284}
1285
1286void wxTopLevelWindowGTK::OnSysColourChanged(wxSysColourChangedEvent& event)
1287{
1288 // We don't know the order in which top-level windows will
1289 // be notified, so we need to clear the system objects
1290 // for each top-level window.
1291 extern void wxClearGtkSystemObjects();
1292 wxClearGtkSystemObjects();
1293
1294 // wxWindowBase::OnSysColourChanged will propagate event
1295 // to children
1296 event.Skip();
1297}
wxWidgets (Impactor)