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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->HandleWindowEvent(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->HandleWindowEvent(event);
197
198 g_activeFrame = NULL;
199 }
200
201 return FALSE;
202}
203}
204
205//-----------------------------------------------------------------------------
206// "size_allocate" from m_wxwindow
207//-----------------------------------------------------------------------------
208
209extern "C" {
210static void
211size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
212{
213 if (win->m_oldClientWidth != alloc->width ||
214 win->m_oldClientHeight != alloc->height)
215 {
216 win->m_oldClientWidth = alloc->width;
217 win->m_oldClientHeight = alloc->height;
218
219 wxSize size(win->m_widget->allocation.width,
220 win->m_widget->allocation.height);
221 size += win->m_decorSize;
222 win->m_width = size.x;
223 win->m_height = size.y;
224
225 if (!win->IsIconized())
226 {
227 wxSizeEvent event(size, win->GetId());
228 event.SetEventObject(win);
229 win->HandleWindowEvent(event);
230 }
231 // else the window is currently unmapped, don't generate size events
232 }
233}
234}
235
236// ----------------------------------------------------------------------------
237// "size_request"
238// ----------------------------------------------------------------------------
239
240extern "C" {
241static
242void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
243 GtkRequisition *requisition,
244 wxTopLevelWindowGTK *win)
245{
246 // we must return the size of the window without WM decorations, otherwise
247 // GTK+ gets confused, so don't call just GetSize() here
248 win->GTKDoGetSize(&requisition->width, &requisition->height);
249}
250}
251
252//-----------------------------------------------------------------------------
253// "delete_event"
254//-----------------------------------------------------------------------------
255
256extern "C" {
257static gboolean
258gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
259 GdkEvent *WXUNUSED(event),
260 wxTopLevelWindowGTK *win )
261{
262 if (win->IsEnabled() &&
263 (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
264 win->IsGrabbed()))
265 win->Close();
266
267 return TRUE;
268}
269}
270
271
272//-----------------------------------------------------------------------------
273// "configure_event"
274//-----------------------------------------------------------------------------
275
276extern "C" {
277static gboolean
278gtk_frame_configure_callback( GtkWidget* widget,
279 GdkEventConfigure *WXUNUSED(event),
280 wxTopLevelWindowGTK *win )
281{
282 if (!win->m_hasVMT || !win->IsShown())
283 return FALSE;
284
285 wxPoint point;
286 gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
287
288 win->m_x = point.x;
289 win->m_y = point.y;
290 wxMoveEvent mevent(point, win->GetId());
291 mevent.SetEventObject( win );
292 win->HandleWindowEvent( mevent );
293
294 return FALSE;
295}
296}
297
298//-----------------------------------------------------------------------------
299// "realize" from m_widget
300//-----------------------------------------------------------------------------
301
302// we cannot MWM hints and icons before the widget has been realized,
303// so we do this directly after realization
304
305extern "C" {
306static void
307gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
308 wxTopLevelWindowGTK *win )
309{
310 // All this is for Motif Window Manager "hints" and is supposed to be
311 // recognized by other WM as well. Not tested.
312 gdk_window_set_decorations(win->m_widget->window,
313 (GdkWMDecoration)win->m_gdkDecor);
314 gdk_window_set_functions(win->m_widget->window,
315 (GdkWMFunction)win->m_gdkFunc);
316
317 // GTK's shrinking/growing policy
318 if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
319 gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
320 else
321 gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
322
323 // reset the icon
324 wxIconBundle iconsOld = win->GetIcons();
325 if ( !iconsOld.IsEmpty() )
326 {
327 win->SetIcon( wxNullIcon );
328 win->SetIcons( iconsOld );
329 }
330}
331}
332
333//-----------------------------------------------------------------------------
334// "map_event" from m_widget
335//-----------------------------------------------------------------------------
336
337extern "C" {
338static gboolean
339gtk_frame_map_callback( GtkWidget*,
340 GdkEvent * WXUNUSED(event),
341 wxTopLevelWindow *win )
342{
343 const bool wasIconized = win->IsIconized();
344
345 win->SetIconizeState(false);
346
347 if (wasIconized)
348 {
349 // Because GetClientSize() returns (0,0) when IsIconized() is true,
350 // a size event must be generated, just in case GetClientSize() was
351 // called while iconized. This specifically happens when restoring a
352 // tlw that was "rolled up" with some WMs.
353 // Queue a resize rather than sending size event directly to allow
354 // children to be made visible first.
355 win->m_oldClientWidth = 0;
356 gtk_widget_queue_resize(win->m_wxwindow);
357 }
358
359 return false;
360}
361}
362
363//-----------------------------------------------------------------------------
364// "unmap_event" from m_widget
365//-----------------------------------------------------------------------------
366
367extern "C" {
368static gboolean
369gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
370 GdkEvent * WXUNUSED(event),
371 wxTopLevelWindow *win )
372{
373 win->SetIconizeState(true);
374 return false;
375}
376}
377
378//-----------------------------------------------------------------------------
379// "property_notify_event" from m_widget
380//-----------------------------------------------------------------------------
381
382extern "C" {
383static gboolean property_notify_event(
384 GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
385{
386 // Watch for changes to _NET_FRAME_EXTENTS property
387 static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
388 if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
389 {
390 Atom xproperty = gdk_x11_atom_to_xatom_for_display(
391 gdk_drawable_get_display(event->window), property);
392 Atom type;
393 int format;
394 gulong nitems, bytes_after;
395 long* data = NULL;
396 Status status = XGetWindowProperty(
397 gdk_x11_drawable_get_xdisplay(event->window),
398 gdk_x11_drawable_get_xid(event->window),
399 xproperty,
400 0, 4, false, XA_CARDINAL,
401 &type, &format, &nitems, &bytes_after, (guchar**)&data);
402 if (status == Success && data && nitems == 4)
403 {
404 const wxSize decorSize =
405 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
406 if (win->m_decorSize != decorSize)
407 {
408 const wxSize diff = decorSize - win->m_decorSize;
409 win->m_decorSize = decorSize;
410 bool resized = false;
411 if (win->m_deferShow)
412 {
413 // keep overall size unchanged by shrinking m_widget,
414 // if min size will allow it
415 const wxSize minSize = win->GetMinSize();
416 int w, h;
417 win->GTKDoGetSize(&w, &h);
418 if (w >= minSize.x && h >= minSize.y)
419 {
420 gtk_window_resize(GTK_WINDOW(win->m_widget), w, h);
421 resized = true;
422 }
423 }
424 if (!resized)
425 {
426 // adjust overall size to match change in frame extents
427 win->m_width += diff.x;
428 win->m_height += diff.y;
429 if (win->m_width < 0) win->m_width = 0;
430 if (win->m_height < 0) win->m_height = 0;
431 if (!win->m_deferShow)
432 {
433 win->m_oldClientWidth = 0;
434 gtk_widget_queue_resize(win->m_wxwindow);
435 }
436 }
437 }
438 if (win->m_deferShow)
439 {
440 // gtk_widget_show() was deferred, do it now
441 win->m_deferShow = false;
442 win->GetClientSize(
443 &win->m_oldClientWidth, &win->m_oldClientHeight);
444 wxSizeEvent sizeEvent(win->GetSize(), win->GetId());
445 sizeEvent.SetEventObject(win);
446 win->HandleWindowEvent(sizeEvent);
447
448 gtk_widget_show(win->m_widget);
449
450 wxShowEvent showEvent(win->GetId(), true);
451 showEvent.SetEventObject(win);
452 win->HandleWindowEvent(showEvent);
453 }
454 }
455 if (data)
456 XFree(data);
457 }
458 return false;
459}
460}
461
462BEGIN_EVENT_TABLE(wxTopLevelWindowGTK, wxTopLevelWindowBase)
463 EVT_SYS_COLOUR_CHANGED(wxTopLevelWindowGTK::OnSysColourChanged)
464END_EVENT_TABLE()
465
466
467// ----------------------------------------------------------------------------
468// wxTopLevelWindowGTK creation
469// ----------------------------------------------------------------------------
470
471void wxTopLevelWindowGTK::Init()
472{
473 m_mainWidget = (GtkWidget*) NULL;
474 m_isIconized = false;
475 m_fsIsShowing = false;
476 m_themeEnabled = true;
477 m_gdkDecor = m_gdkFunc = 0;
478 m_grabbed = false;
479 m_deferShow = true;
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 gtk_window_set_default_size(GTK_WINDOW(m_widget), m_width, m_height);
675
676 return true;
677}
678
679wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
680{
681#if wxUSE_LIBHILDON
682 // it can also be a (standard) dialog
683 if ( HILDON_IS_WINDOW(m_widget) )
684 {
685 hildon_program_remove_window(wxTheApp->GetHildonProgram(),
686 HILDON_WINDOW(m_widget));
687 }
688#endif // wxUSE_LIBHILDON
689
690 if (m_grabbed)
691 {
692 wxFAIL_MSG(_T("Window still grabbed"));
693 RemoveGrab();
694 }
695
696 m_isBeingDeleted = true;
697
698 // it may also be GtkScrolledWindow in the case of an MDI child
699 if (GTK_IS_WINDOW(m_widget))
700 {
701 gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
702 }
703
704 if (g_activeFrame == this)
705 g_activeFrame = NULL;
706 if (g_lastActiveFrame == this)
707 g_lastActiveFrame = NULL;
708}
709
710bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
711{
712 if (enable)
713 m_gdkFunc |= GDK_FUNC_CLOSE;
714 else
715 m_gdkFunc &= ~GDK_FUNC_CLOSE;
716
717 if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
718 gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
719
720 return true;
721}
722
723bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
724{
725 if (show == m_fsIsShowing)
726 return false; // return what?
727
728 m_fsIsShowing = show;
729
730 wxX11FullScreenMethod method =
731 wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
732 (WXWindow)GDK_ROOT_WINDOW());
733
734 // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
735 // to switch to fullscreen, which is not always available. We must
736 // check if WM supports the spec and use legacy methods if it
737 // doesn't.
738 if ( method == wxX11_FS_WMSPEC )
739 {
740 if (show)
741 gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
742 else
743 gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
744 }
745 else
746 {
747 GdkWindow *window = m_widget->window;
748
749 if (show)
750 {
751 GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
752 GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
753
754 int screen_width,screen_height;
755 wxDisplaySize( &screen_width, &screen_height );
756
757 gint client_x, client_y, root_x, root_y;
758 gint width, height;
759
760 m_fsSaveGdkFunc = m_gdkFunc;
761 m_fsSaveGdkDecor = m_gdkDecor;
762 m_gdkFunc = m_gdkDecor = 0;
763 gdk_window_set_decorations(window, (GdkWMDecoration)0);
764 gdk_window_set_functions(window, (GdkWMFunction)0);
765
766 gdk_window_get_origin (m_widget->window, &root_x, &root_y);
767 gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
768 &width, &height, NULL);
769
770 gdk_window_move_resize (m_widget->window, -client_x, -client_y,
771 screen_width + 1, screen_height + 1);
772
773 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
774 (WXWindow)GDK_ROOT_WINDOW(),
775 (WXWindow)GDK_WINDOW_XWINDOW(window),
776 show, &m_fsSaveFrame, method);
777 }
778 else // hide
779 {
780 m_gdkFunc = m_fsSaveGdkFunc;
781 m_gdkDecor = m_fsSaveGdkDecor;
782 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
783 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
784
785 wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
786 (WXWindow)GDK_ROOT_WINDOW(),
787 (WXWindow)GDK_WINDOW_XWINDOW(window),
788 show, &m_fsSaveFrame, method);
789
790 SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
791 m_fsSaveFrame.width, m_fsSaveFrame.height);
792 }
793 }
794
795 // documented behaviour is to show the window if it's still hidden when
796 // showing it full screen
797 if (show)
798 Show();
799
800 return true;
801}
802
803// ----------------------------------------------------------------------------
804// overridden wxWindow methods
805// ----------------------------------------------------------------------------
806
807bool wxTopLevelWindowGTK::Show( bool show )
808{
809 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
810
811 const bool wasRealized = GTK_WIDGET_REALIZED(m_widget);
812 bool deferShow = show && m_deferShow && !wasRealized;
813 if (deferShow)
814 {
815 // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
816 // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
817 // notification is received, so correct frame extents are known.
818 // This allows resizing m_widget to keep the overall size in sync with
819 // what wxWidgets expects it to be without an obvious change in the
820 // window size immediately after it becomes visible.
821
822 // Realize m_widget, so m_widget->window can be used. Realizing causes
823 // the widget tree to be size_allocated, which generates size events in
824 // the wrong order. So temporarily remove child from m_widget while
825 // realizing.
826 GtkWidget* child = GTK_BIN(m_widget)->child;
827 if (child)
828 {
829 g_object_ref(child);
830 gtk_container_remove(GTK_CONTAINER(m_widget), child);
831 }
832 gtk_widget_realize(m_widget);
833 if (child)
834 {
835 gtk_container_add(GTK_CONTAINER(m_widget), child);
836 g_object_unref(child);
837 }
838
839 m_deferShow =
840 deferShow = gdk_x11_screen_supports_net_wm_hint(
841 gdk_drawable_get_screen(m_widget->window),
842 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false)) != 0;
843 }
844 if (deferShow)
845 {
846 // send _NET_REQUEST_FRAME_EXTENTS
847 XClientMessageEvent xevent;
848 memset(&xevent, 0, sizeof(xevent));
849 xevent.type = ClientMessage;
850 xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
851 xevent.message_type = gdk_x11_atom_to_xatom_for_display(
852 gdk_drawable_get_display(m_widget->window),
853 gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
854 xevent.format = 32;
855 Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
856 XSendEvent(display, DefaultRootWindow(display), false,
857 SubstructureNotifyMask | SubstructureRedirectMask,
858 (XEvent*)&xevent);
859
860 // defer calling gtk_widget_show()
861 m_isShown = true;
862 return true;
863 }
864
865 if (show && !wasRealized)
866 {
867 // size_allocate signals occur in reverse order (bottom to top).
868 // Things work better if the initial wxSizeEvents are sent (from the
869 // top down), before the initial size_allocate signals occur.
870 wxSizeEvent event(GetSize(), GetId());
871 event.SetEventObject(this);
872 HandleWindowEvent(event);
873 }
874
875 bool change = wxTopLevelWindowBase::Show(show);
876
877 if (change && !show)
878 {
879 // make sure window has a non-default position, so when it is shown
880 // again, it won't be repositioned by WM as if it were a new window
881 // Note that this must be done _after_ the window is hidden.
882 gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
883 }
884
885 return change;
886}
887
888void wxTopLevelWindowGTK::Raise()
889{
890 gtk_window_present( GTK_WINDOW( m_widget ) );
891}
892
893void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
894{
895 wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
896}
897
898// ----------------------------------------------------------------------------
899// window geometry
900// ----------------------------------------------------------------------------
901
902void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
903{
904 wxSize size(m_width, m_height);
905 size -= m_decorSize;
906 if (size.x < 0) size.x = 0;
907 if (size.y < 0) size.y = 0;
908 if (width) *width = size.x;
909 if (height) *height = size.y;
910}
911
912void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
913{
914 wxCHECK_RET( m_widget, wxT("invalid frame") );
915
916 // deal with the position first
917 int old_x = m_x;
918 int old_y = m_y;
919
920 if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
921 {
922 // -1 means "use existing" unless the flag above is specified
923 if ( x != -1 )
924 m_x = x;
925 if ( y != -1 )
926 m_y = y;
927 }
928 else // wxSIZE_ALLOW_MINUS_ONE
929 {
930 m_x = x;
931 m_y = y;
932 }
933
934 if ( m_x != old_x || m_y != old_y )
935 {
936 gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
937 }
938
939 const wxSize oldSize(m_width, m_height);
940 if (width >= 0)
941 m_width = width;
942 if (height >= 0)
943 m_height = height;
944 ConstrainSize();
945 if (m_width != oldSize.x || m_height != oldSize.y)
946 {
947 int w, h;
948 GTKDoGetSize(&w, &h);
949 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
950
951 GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
952 wxSizeEvent event(GetSize(), GetId());
953 event.SetEventObject(this);
954 HandleWindowEvent(event);
955 }
956}
957
958void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
959{
960 wxASSERT_MSG(m_widget, wxT("invalid frame"));
961
962 if ( IsIconized() )
963 {
964 // for consistency with wxMSW, client area is supposed to be empty for
965 // the iconized windows
966 if ( width )
967 *width = 0;
968 if ( height )
969 *height = 0;
970 }
971 else
972 {
973 GTKDoGetSize(width, height);
974 }
975}
976
977void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
978 int maxW, int maxH,
979 int incW, int incH )
980{
981 wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
982
983 const wxSize minSize = GetMinSize();
984 const wxSize maxSize = GetMaxSize();
985 GdkGeometry hints;
986 int hints_mask = 0;
987 if (minSize.x > 0 || minSize.y > 0)
988 {
989 hints_mask |= GDK_HINT_MIN_SIZE;
990 hints.min_width = minSize.x - m_decorSize.x;
991 if (hints.min_width < 0)
992 hints.min_width = 0;
993 hints.min_height = minSize.y - m_decorSize.y;
994 if (hints.min_height < 0)
995 hints.min_height = 0;
996 }
997 if (maxSize.x > 0 || maxSize.y > 0)
998 {
999 hints_mask |= GDK_HINT_MAX_SIZE;
1000 hints.max_width = maxSize.x - m_decorSize.x;
1001 if (hints.max_width < 0)
1002 hints.max_width = INT_MAX;
1003 hints.max_height = maxSize.y - m_decorSize.y;
1004 if (hints.max_height < 0)
1005 hints.max_height = INT_MAX;
1006 }
1007 if (incW > 0 || incH > 0)
1008 {
1009 hints_mask |= GDK_HINT_RESIZE_INC;
1010 hints.width_inc = incW > 0 ? incW : 1;
1011 hints.height_inc = incH > 0 ? incH : 1;
1012 }
1013 gtk_window_set_geometry_hints(
1014 (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1015}
1016
1017void wxTopLevelWindowGTK::OnInternalIdle()
1018{
1019 // set the focus if not done yet and if we can already do it
1020 if ( GTK_WIDGET_REALIZED(m_wxwindow) )
1021 {
1022 if ( g_delayedFocus &&
1023 wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
1024 {
1025 wxLogTrace(_T("focus"),
1026 _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
1027 g_delayedFocus->GetClassInfo()->GetClassName(),
1028 g_delayedFocus->GetLabel().c_str());
1029
1030 g_delayedFocus->SetFocus();
1031 g_delayedFocus = NULL;
1032 }
1033 }
1034
1035 wxWindow::OnInternalIdle();
1036
1037 // Synthetize activate events.
1038 if ( g_sendActivateEvent != -1 )
1039 {
1040 bool activate = g_sendActivateEvent != 0;
1041
1042 // if (!activate) wxPrintf( wxT("de") );
1043 // wxPrintf( wxT("activate\n") );
1044
1045 // do it only once
1046 g_sendActivateEvent = -1;
1047
1048 wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1049 }
1050}
1051
1052// ----------------------------------------------------------------------------
1053// frame title/icon
1054// ----------------------------------------------------------------------------
1055
1056void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1057{
1058 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1059
1060 if ( title == m_title )
1061 return;
1062
1063 m_title = title;
1064
1065 gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1066}
1067
1068void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1069{
1070 wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1071
1072 wxTopLevelWindowBase::SetIcons( icons );
1073
1074 GList *list = NULL;
1075
1076 const size_t numIcons = icons.GetIconCount();
1077 for ( size_t i = 0; i < numIcons; i++ )
1078 {
1079 list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1080 }
1081
1082 gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1083 g_list_free(list);
1084}
1085
1086// ----------------------------------------------------------------------------
1087// frame state: maximized/iconized/normal
1088// ----------------------------------------------------------------------------
1089
1090void wxTopLevelWindowGTK::Maximize(bool maximize)
1091{
1092 if (maximize)
1093 gtk_window_maximize( GTK_WINDOW( m_widget ) );
1094 else
1095 gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1096}
1097
1098bool wxTopLevelWindowGTK::IsMaximized() const
1099{
1100 if(!m_widget->window)
1101 return false;
1102
1103 return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1104}
1105
1106void wxTopLevelWindowGTK::Restore()
1107{
1108 // "Present" seems similar enough to "restore"
1109 gtk_window_present( GTK_WINDOW( m_widget ) );
1110}
1111
1112void wxTopLevelWindowGTK::Iconize( bool iconize )
1113{
1114 if (iconize)
1115 gtk_window_iconify( GTK_WINDOW( m_widget ) );
1116 else
1117 gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1118}
1119
1120bool wxTopLevelWindowGTK::IsIconized() const
1121{
1122 return m_isIconized;
1123}
1124
1125void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1126{
1127 if ( iconize != m_isIconized )
1128 {
1129 m_isIconized = iconize;
1130 (void)SendIconizeEvent(iconize);
1131 }
1132}
1133
1134void wxTopLevelWindowGTK::AddGrab()
1135{
1136 if (!m_grabbed)
1137 {
1138 m_grabbed = true;
1139 gtk_grab_add( m_widget );
1140 wxGUIEventLoop().Run();
1141 gtk_grab_remove( m_widget );
1142 }
1143}
1144
1145void wxTopLevelWindowGTK::RemoveGrab()
1146{
1147 if (m_grabbed)
1148 {
1149 gtk_main_quit();
1150 m_grabbed = false;
1151 }
1152}
1153
1154
1155// helper
1156static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1157{
1158 if (window)
1159 {
1160 if (region.IsEmpty())
1161 {
1162 gdk_window_shape_combine_mask(window, NULL, 0, 0);
1163 }
1164 else
1165 {
1166 gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1167 return true;
1168 }
1169 }
1170 return false;
1171}
1172
1173
1174bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1175{
1176 wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1177 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1178
1179 GdkWindow *window = NULL;
1180 if (m_wxwindow)
1181 {
1182 do_shape_combine_region(m_wxwindow->window, region);
1183 }
1184 window = m_widget->window;
1185 return do_shape_combine_region(window, region);
1186}
1187
1188bool wxTopLevelWindowGTK::IsActive()
1189{
1190 return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1191}
1192
1193void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1194{
1195 bool new_hint_value = false;
1196
1197 // FIXME: This is a workaround to focus handling problem
1198 // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
1199 // yet been processed, and the internal focus system is not up to date yet.
1200 // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
1201 ::wxYieldIfNeeded();
1202
1203 if(m_urgency_hint >= 0)
1204 g_source_remove(m_urgency_hint);
1205
1206 m_urgency_hint = -2;
1207
1208 if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1209 {
1210 new_hint_value = true;
1211
1212 if (flags & wxUSER_ATTENTION_INFO)
1213 {
1214 m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1215 } else {
1216 m_urgency_hint = -1;
1217 }
1218 }
1219
1220#if GTK_CHECK_VERSION(2,7,0)
1221 if(!gtk_check_version(2,7,0))
1222 gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1223 else
1224#endif
1225 wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1226}
1227
1228void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1229{
1230 // Store which styles were changed
1231 long styleChanges = style ^ m_windowStyle;
1232
1233 // Process wxWindow styles. This also updates the internal variable
1234 // Therefore m_windowStyle bits carry now the _new_ style values
1235 wxWindow::SetWindowStyleFlag(style);
1236
1237 // just return for now if widget does not exist yet
1238 if (!m_widget)
1239 return;
1240
1241 if ( styleChanges & wxSTAY_ON_TOP )
1242 {
1243 gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1244 m_windowStyle & wxSTAY_ON_TOP);
1245 }
1246
1247 if ( styleChanges & wxFRAME_NO_TASKBAR )
1248 {
1249 gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1250 m_windowStyle & wxFRAME_NO_TASKBAR);
1251 }
1252}
1253
1254/* Get the X Window between child and the root window.
1255 This should usually be the WM managed XID */
1256static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1257{
1258 Window root, parent;
1259 Window* children;
1260 unsigned int nchildren;
1261
1262 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1263 XFree(children);
1264
1265 while (parent != root) {
1266 child = parent;
1267 XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1268 XFree(children);
1269 }
1270
1271 return child;
1272}
1273
1274bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1275{
1276 if (!m_widget || !m_widget->window)
1277 return false;
1278
1279 Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1280 // We need to get the X Window that has the root window as the immediate parent
1281 // and m_widget->window as a child. This should be the X Window that the WM manages and
1282 // from which the opacity property is checked from.
1283 Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1284
1285
1286 // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1287 if (alpha == 0xff)
1288 XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1289 else
1290 {
1291 long opacity = alpha * 0x1010101L;
1292 XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1293 XA_CARDINAL, 32, PropModeReplace,
1294 (unsigned char *) &opacity, 1L);
1295 }
1296 XSync(dpy, False);
1297 return true;
1298}
1299
1300bool wxTopLevelWindowGTK::CanSetTransparent()
1301{
1302 // allow to override automatic detection as it's far from perfect
1303 static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
1304 if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1305 {
1306 return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1307 }
1308
1309#if GTK_CHECK_VERSION(2,10,0)
1310 if (!gtk_check_version(2,10,0))
1311 {
1312 return (gtk_widget_is_composited (m_widget));
1313 }
1314 else
1315#endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1316 {
1317 return false;
1318 }
1319
1320#if 0 // Don't be optimistic here for the sake of wxAUI
1321 int opcode, event, error;
1322 // Check for the existence of a RGBA visual instead?
1323 return XQueryExtension(gdk_x11_get_default_xdisplay (),
1324 "Composite", &opcode, &event, &error);
1325#endif
1326}
1327
1328void wxTopLevelWindowGTK::OnSysColourChanged(wxSysColourChangedEvent& event)
1329{
1330 // We don't know the order in which top-level windows will
1331 // be notified, so we need to clear the system objects
1332 // for each top-level window.
1333 extern void wxClearGtkSystemObjects();
1334 wxClearGtkSystemObjects();
1335
1336 // wxWindowBase::OnSysColourChanged will propagate event
1337 // to children
1338 event.Skip();
1339}
wxWidgets (Impactor)