gtk notebook page style fixes (patch 984864)
[wxWidgets.git] / src / gtk1 / notebook.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: notebook.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "notebook.h"
12 #endif
13
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
16
17 #include "wx/notebook.h"
18
19 #if wxUSE_NOTEBOOK
20
21 #include "wx/panel.h"
22 #include "wx/utils.h"
23 #include "wx/imaglist.h"
24 #include "wx/intl.h"
25 #include "wx/log.h"
26 #include "wx/bitmap.h"
27 #include "wx/fontutil.h"
28
29 #include "wx/gtk/private.h"
30 #include "wx/gtk/win_gtk.h"
31
32 #include <gdk/gdkkeysyms.h>
33
34 #include "wx/msgdlg.h"
35
36 // ----------------------------------------------------------------------------
37 // events
38 // ----------------------------------------------------------------------------
39
40 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
41 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
42
43 //-----------------------------------------------------------------------------
44 // idle system
45 //-----------------------------------------------------------------------------
46
47 extern void wxapp_install_idle_handler();
48 extern bool g_isIdle;
49
50 //-----------------------------------------------------------------------------
51 // data
52 //-----------------------------------------------------------------------------
53
54 extern bool g_blockEventsOnDrag;
55
56 //-----------------------------------------------------------------------------
57 // wxGtkNotebookPage
58 //-----------------------------------------------------------------------------
59
60 // VZ: this is rather ugly as we keep the pages themselves in an array (it
61 // allows us to have quite a few functions implemented in the base class)
62 // but the page data is kept in a separate list, so we must maintain them
63 // in sync manually... of course, the list had been there before the base
64 // class which explains it but it still would be nice to do something
65 // about this one day
66
67 class wxGtkNotebookPage: public wxObject
68 {
69 public:
70 wxGtkNotebookPage()
71 {
72 m_image = -1;
73 m_page = (GtkNotebookPage *) NULL;
74 m_box = (GtkWidget *) NULL;
75 }
76
77 wxString m_text;
78 int m_image;
79 GtkNotebookPage *m_page;
80 GtkLabel *m_label;
81 GtkWidget *m_box; // in which the label and image are packed
82 };
83
84
85 #include "wx/listimpl.cpp"
86 WX_DEFINE_LIST(wxGtkNotebookPagesList);
87
88
89 //-----------------------------------------------------------------------------
90 // "switch_page"
91 //-----------------------------------------------------------------------------
92
93 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
94 GtkNotebookPage *WXUNUSED(page),
95 gint page,
96 wxNotebook *notebook )
97 {
98 // are you trying to call SetSelection() from a notebook event handler?
99 // you shouldn't!
100 wxCHECK_RET( !notebook->m_inSwitchPage,
101 _T("gtk_notebook_page_change_callback reentered") );
102
103 notebook->m_inSwitchPage = TRUE;
104 if (g_isIdle)
105 wxapp_install_idle_handler();
106
107 int old = notebook->GetSelection();
108
109 wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
110 notebook->GetId(), page, old );
111 eventChanging.SetEventObject( notebook );
112
113 if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
114 !eventChanging.IsAllowed() )
115 {
116 /* program doesn't allow the page change */
117 gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
118 "switch_page" );
119 }
120 else // change allowed
121 {
122 // make wxNotebook::GetSelection() return the correct (i.e. consistent
123 // with wxNotebookEvent::GetSelection()) value even though the page is
124 // not really changed in GTK+
125 notebook->m_selection = page;
126
127 wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
128 notebook->GetId(), page, old );
129 eventChanged.SetEventObject( notebook );
130 notebook->GetEventHandler()->ProcessEvent( eventChanged );
131 }
132
133 notebook->m_inSwitchPage = FALSE;
134 }
135
136 //-----------------------------------------------------------------------------
137 // "size_allocate"
138 //-----------------------------------------------------------------------------
139
140 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
141 {
142 if (g_isIdle)
143 wxapp_install_idle_handler();
144
145 if ((win->m_x == alloc->x) &&
146 (win->m_y == alloc->y) &&
147 (win->m_width == alloc->width) &&
148 (win->m_height == alloc->height))
149 {
150 return;
151 }
152
153 win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
154
155 /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
156 here in order to make repositioning after resizing to take effect. */
157 if ((gtk_major_version == 1) &&
158 (gtk_minor_version == 2) &&
159 (gtk_micro_version < 6) &&
160 (win->m_wxwindow) &&
161 (GTK_WIDGET_REALIZED(win->m_wxwindow)))
162 {
163 gtk_widget_size_allocate( win->m_wxwindow, alloc );
164 }
165 }
166
167 //-----------------------------------------------------------------------------
168 // "realize" from m_widget
169 //-----------------------------------------------------------------------------
170
171 static gint
172 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
173 {
174 if (g_isIdle)
175 wxapp_install_idle_handler();
176
177 /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
178 here in order to make repositioning before showing to take effect. */
179 gtk_widget_queue_resize( win->m_widget );
180
181 return FALSE;
182 }
183
184 //-----------------------------------------------------------------------------
185 // "key_press_event"
186 //-----------------------------------------------------------------------------
187
188 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
189 {
190 if (g_isIdle)
191 wxapp_install_idle_handler();
192
193 if (!win->m_hasVMT) return FALSE;
194 if (g_blockEventsOnDrag) return FALSE;
195
196 /* win is a control: tab can be propagated up */
197 if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
198 {
199 int sel = win->GetSelection();
200 if (sel == -1)
201 return TRUE;
202 wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
203 wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
204
205 wxNavigationKeyEvent event;
206 event.SetEventObject( win );
207 /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
208 event.SetDirection( (gdk_event->keyval == GDK_Tab) );
209 /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
210 event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
211 event.SetCurrentFocus( win );
212
213 wxNotebookPage *client = win->GetPage(sel);
214 if ( !client->GetEventHandler()->ProcessEvent( event ) )
215 {
216 client->SetFocus();
217 }
218
219 gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
220 return TRUE;
221 }
222
223 return FALSE;
224 }
225
226 //-----------------------------------------------------------------------------
227 // InsertChild callback for wxNotebook
228 //-----------------------------------------------------------------------------
229
230 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
231 {
232 // Hack Alert! (Part I): This sets the notebook as the parent of the child
233 // widget, and takes care of some details such as updating the state and
234 // style of the child to reflect its new location. We do this early
235 // because without it GetBestSize (which is used to set the initial size
236 // of controls if an explicit size is not given) will often report
237 // incorrect sizes since the widget's style context is not fully known.
238 // See bug #901694 for details
239 // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
240 gtk_widget_set_parent(child->m_widget, parent->m_widget);
241
242 // NOTE: This should be considered a temporary workaround until we can
243 // work out the details and implement delaying the setting of the initial
244 // size of widgets until the size is really needed.
245 }
246
247 //-----------------------------------------------------------------------------
248 // wxNotebook
249 //-----------------------------------------------------------------------------
250
251 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
252
253 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
254 EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
255 END_EVENT_TABLE()
256
257 void wxNotebook::Init()
258 {
259 m_padding = 0;
260 m_inSwitchPage = FALSE;
261
262 m_imageList = (wxImageList *) NULL;
263 m_selection = -1;
264 m_themeEnabled = TRUE;
265 }
266
267 wxNotebook::wxNotebook()
268 {
269 Init();
270 }
271
272 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
273 const wxPoint& pos, const wxSize& size,
274 long style, const wxString& name )
275 {
276 Init();
277 Create( parent, id, pos, size, style, name );
278 }
279
280 wxNotebook::~wxNotebook()
281 {
282 DeleteAllPages();
283 }
284
285 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
286 const wxPoint& pos, const wxSize& size,
287 long style, const wxString& name )
288 {
289 m_needParent = TRUE;
290 m_acceptsFocus = TRUE;
291 m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
292
293 if (!PreCreation( parent, pos, size ) ||
294 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
295 {
296 wxFAIL_MSG( wxT("wxNoteBook creation failed") );
297 return FALSE;
298 }
299
300
301 m_widget = gtk_notebook_new();
302
303 gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
304
305 gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
306 GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
307
308 m_parent->DoAddChild( this );
309
310 if (m_windowStyle & wxNB_RIGHT)
311 gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
312 if (m_windowStyle & wxNB_LEFT)
313 gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
314 if (m_windowStyle & wxNB_BOTTOM)
315 gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
316
317 gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
318 GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
319
320 PostCreation(size);
321
322 gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
323 GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
324
325 return TRUE;
326 }
327
328 int wxNotebook::GetSelection() const
329 {
330 wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
331
332 if ( m_selection == -1 )
333 {
334 GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
335
336 if (g_list_length(nb_pages) != 0)
337 {
338 GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
339
340 gpointer cur = notebook->cur_page;
341 if ( cur != NULL )
342 {
343 wxConstCast(this, wxNotebook)->m_selection =
344 g_list_index( nb_pages, cur );
345 }
346 }
347 }
348
349 return m_selection;
350 }
351
352 wxString wxNotebook::GetPageText( size_t page ) const
353 {
354 wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
355
356 wxGtkNotebookPage* nb_page = GetNotebookPage(page);
357 if (nb_page)
358 return nb_page->m_text;
359 else
360 return wxT("");
361 }
362
363 int wxNotebook::GetPageImage( size_t page ) const
364 {
365 wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
366
367 wxGtkNotebookPage* nb_page = GetNotebookPage(page);
368 if (nb_page)
369 return nb_page->m_image;
370 else
371 return -1;
372 }
373
374 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
375 {
376 wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
377
378 wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
379
380 return m_pagesData.Item(page)->GetData();
381 }
382
383 int wxNotebook::SetSelection( size_t page )
384 {
385 wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
386
387 wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
388
389 int selOld = GetSelection();
390
391 // cache the selection
392 m_selection = page;
393 gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
394
395 wxNotebookPage *client = GetPage(page);
396 if ( client )
397 client->SetFocus();
398
399 return selOld;
400 }
401
402 bool wxNotebook::SetPageText( size_t page, const wxString &text )
403 {
404 wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
405
406 wxGtkNotebookPage* nb_page = GetNotebookPage(page);
407
408 wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
409
410 nb_page->m_text = text;
411
412 gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
413
414 return TRUE;
415 }
416
417 bool wxNotebook::SetPageImage( size_t page, int image )
418 {
419 /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
420
421 wxGtkNotebookPage* nb_page = GetNotebookPage(page);
422
423 if (!nb_page) return FALSE;
424
425 /* Optimization posibility: return immediately if image unchanged.
426 * Not enabled because it may break existing (stupid) code that
427 * manipulates the imagelist to cycle images */
428
429 /* if (image == nb_page->m_image) return TRUE; */
430
431 /* For different cases:
432 1) no image -> no image
433 2) image -> no image
434 3) no image -> image
435 4) image -> image */
436
437 if (image == -1 && nb_page->m_image == -1)
438 return TRUE; /* Case 1): Nothing to do. */
439
440 GtkWidget *pixmapwid = (GtkWidget*) NULL;
441
442 if (nb_page->m_image != -1)
443 {
444 /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
445
446 GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
447 while (child)
448 {
449 if (GTK_IS_PIXMAP(child->data))
450 {
451 pixmapwid = GTK_WIDGET(child->data);
452 break;
453 }
454 child = child->next;
455 }
456
457 /* We should have the pixmap widget now */
458 wxASSERT(pixmapwid != NULL);
459
460 if (image == -1)
461 {
462 /* If there's no new widget, just remove the old from the box */
463 gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
464 nb_page->m_image = -1;
465
466 return TRUE; /* Case 2) */
467 }
468 }
469
470 /* Only cases 3) and 4) left */
471 wxASSERT( m_imageList != NULL ); /* Just in case */
472
473 /* Construct the new pixmap */
474 const wxBitmap *bmp = m_imageList->GetBitmap(image);
475 GdkPixmap *pixmap = bmp->GetPixmap();
476 GdkBitmap *mask = (GdkBitmap*) NULL;
477 if ( bmp->GetMask() )
478 {
479 mask = bmp->GetMask()->GetBitmap();
480 }
481
482 if (pixmapwid == NULL)
483 {
484 /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
485 pixmapwid = gtk_pixmap_new (pixmap, mask );
486
487 /* CHECKME: Are these pack flags okay? */
488 gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
489 gtk_widget_show(pixmapwid);
490 }
491 else
492 {
493 /* Case 4) Simply replace the pixmap */
494 gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
495 }
496
497 nb_page->m_image = image;
498
499 return TRUE;
500 }
501
502 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
503 {
504 wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
505 }
506
507 void wxNotebook::SetPadding( const wxSize &padding )
508 {
509 wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
510
511 m_padding = padding.GetWidth();
512
513 int i;
514 for (i=0; i<int(GetPageCount()); i++)
515 {
516 wxGtkNotebookPage* nb_page = GetNotebookPage(i);
517 wxASSERT(nb_page != NULL);
518
519 if (nb_page->m_image != -1)
520 {
521 // gtk_box_set_child_packing sets padding on BOTH sides
522 // icon provides left padding, label provides center and right
523 int image = nb_page->m_image;
524 SetPageImage(i,-1);
525 SetPageImage(i,image);
526 }
527 wxASSERT(nb_page->m_label);
528 gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
529 GTK_WIDGET(nb_page->m_label),
530 FALSE, FALSE, m_padding, GTK_PACK_END);
531 }
532 }
533
534 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
535 {
536 wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
537 }
538
539 bool wxNotebook::DeleteAllPages()
540 {
541 wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
542
543 while (m_pagesData.GetCount() > 0)
544 DeletePage( m_pagesData.GetCount()-1 );
545
546 wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
547
548 InvalidateBestSize();
549 return wxNotebookBase::DeleteAllPages();
550 }
551
552 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
553 {
554 if ( m_selection != -1 && (size_t)m_selection >= page )
555 {
556 // the index will become invalid after the page is deleted
557 m_selection = -1;
558 }
559
560 wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
561 if ( !client )
562 return NULL;
563
564 gtk_widget_ref( client->m_widget );
565 gtk_widget_unrealize( client->m_widget );
566 gtk_widget_unparent( client->m_widget );
567
568 // gtk_notebook_remove_page() sends "switch_page" signal with some strange
569 // new page index (when deleting selected page 0, new page is 1 although,
570 // clearly, the selection should stay 0), so suppress this
571 gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
572 GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
573
574 gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
575
576 gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
577 GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
578
579 wxGtkNotebookPage* p = GetNotebookPage(page);
580 m_pagesData.DeleteObject(p);
581 delete p;
582
583 return client;
584 }
585
586 bool wxNotebook::InsertPage( size_t position,
587 wxNotebookPage* win,
588 const wxString& text,
589 bool select,
590 int imageId )
591 {
592 wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
593
594 wxCHECK_MSG( win->GetParent() == this, FALSE,
595 wxT("Can't add a page whose parent is not the notebook!") );
596
597 wxCHECK_MSG( position <= GetPageCount(), FALSE,
598 _T("invalid page index in wxNotebookPage::InsertPage()") );
599
600 // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
601 // why this has to be done. NOTE: using gtk_widget_unparent here does not
602 // work as it seems to undo too much and will cause errors in the
603 // gtk_notebook_insert_page below, so instead just clear the parent by
604 // hand here.
605 win->m_widget->parent = NULL;
606
607 // don't receive switch page during addition
608 gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
609 GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
610
611 if (m_themeEnabled)
612 win->SetThemeEnabled(TRUE);
613
614 GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
615
616 wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
617
618 if ( position == GetPageCount() )
619 m_pagesData.Append( nb_page );
620 else
621 m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
622
623 m_pages.Insert(win, position);
624
625 nb_page->m_box = gtk_hbox_new( FALSE, 1 );
626 gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
627
628 gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
629 GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
630
631 #ifndef __VMS
632 // On VMS position is unsigned and thus always positive
633 if (position < 0)
634 gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
635 else
636 #endif
637 gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
638
639 nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
640
641 /* set the label image */
642 nb_page->m_image = imageId;
643
644 if (imageId != -1)
645 {
646 wxASSERT( m_imageList != NULL );
647
648 const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
649 GdkPixmap *pixmap = bmp->GetPixmap();
650 GdkBitmap *mask = (GdkBitmap*) NULL;
651 if ( bmp->GetMask() )
652 {
653 mask = bmp->GetMask()->GetBitmap();
654 }
655
656 GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
657
658 gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
659
660 gtk_widget_show(pixmapwid);
661 }
662
663 /* set the label text */
664
665 nb_page->m_text = text;
666 if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
667
668 nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
669 gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
670
671 /* apply current style */
672 GtkRcStyle *style = CreateWidgetStyle();
673 if ( style )
674 {
675 gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
676 gtk_rc_style_unref(style);
677 }
678
679 /* show the label */
680 gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
681 if (select && (m_pagesData.GetCount() > 1))
682 {
683 #ifndef __VMS
684 // On VMS position is unsigned and thus always positive
685 if (position < 0)
686 SetSelection( GetPageCount()-1 );
687 else
688 #endif
689 SetSelection( position );
690 }
691
692 gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
693 GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
694
695 InvalidateBestSize();
696 return TRUE;
697 }
698
699 // helper for HitTest(): check if the point lies inside the given widget which
700 // is the child of the notebook whose position and border size are passed as
701 // parameters
702 static bool
703 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
704 gint x, gint y, gint border = 0)
705 {
706 return
707 (pt.x >= w->allocation.x - x - border) &&
708 (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
709 (pt.y >= w->allocation.y - y - border) &&
710 (pt.y <= w->allocation.y - y + border + w->allocation.height);
711 }
712
713 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
714 {
715 const gint x = m_widget->allocation.x;
716 const gint y = m_widget->allocation.y;
717
718 const size_t count = GetPageCount();
719 for ( size_t i = 0; i < count; i++ )
720 {
721 wxGtkNotebookPage* nb_page = GetNotebookPage(i);
722 GtkWidget *box = nb_page->m_box;
723
724 // VZ: don't know how to find the border width in GTK+ 1.2
725 #ifdef __WXGTK20__
726 const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
727 #else // !GTK+ 2.x
728 const gint border = 0;
729 #endif
730 if ( IsPointInsideWidget(pt, box, x, y, border) )
731 {
732 // ok, we're inside this tab -- now find out where, if needed
733 if ( flags )
734 {
735 GtkWidget *pixmap = NULL;
736
737 GList *children = gtk_container_children(GTK_CONTAINER(box));
738 for ( GList *child = children; child; child = child->next )
739 {
740 if ( GTK_IS_PIXMAP(child->data) )
741 {
742 pixmap = GTK_WIDGET(child->data);
743 break;
744 }
745 }
746
747 if ( children )
748 g_list_free(children);
749
750 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
751 {
752 *flags = wxNB_HITTEST_ONICON;
753 }
754 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
755 {
756 *flags = wxNB_HITTEST_ONLABEL;
757 }
758 else
759 {
760 *flags = wxNB_HITTEST_ONITEM;
761 }
762 }
763
764 return i;
765 }
766 }
767
768 if ( flags )
769 *flags = wxNB_HITTEST_NOWHERE;
770
771 return wxNOT_FOUND;
772 }
773
774 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
775 {
776 if (event.IsWindowChange())
777 AdvanceSelection( event.GetDirection() );
778 else
779 event.Skip();
780 }
781
782 #if wxUSE_CONSTRAINTS
783
784 // override these 2 functions to do nothing: everything is done in OnSize
785 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
786 {
787 // don't set the sizes of the pages - their correct size is not yet known
788 wxControl::SetConstraintSizes(FALSE);
789 }
790
791 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
792 {
793 return TRUE;
794 }
795
796 #endif
797
798 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
799 {
800 gtk_widget_modify_style(m_widget, style);
801 size_t cnt = m_pagesData.GetCount();
802 for (size_t i = 0; i < cnt; i++)
803 gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
804 }
805
806 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
807 {
808 return ((m_widget->window == window) ||
809 (NOTEBOOK_PANEL(m_widget) == window));
810 }
811
812 // static
813 wxVisualAttributes
814 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
815 {
816 return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
817 }
818
819 //-----------------------------------------------------------------------------
820 // wxNotebookEvent
821 //-----------------------------------------------------------------------------
822
823 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
824
825 #endif