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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk1/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 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #if wxUSE_NOTEBOOK | |
14 | ||
15 | #include "wx/notebook.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/intl.h" | |
19 | #include "wx/log.h" | |
20 | #include "wx/utils.h" | |
21 | #include "wx/panel.h" | |
22 | #include "wx/msgdlg.h" | |
23 | #include "wx/bitmap.h" | |
24 | #endif | |
25 | ||
26 | #include "wx/imaglist.h" | |
27 | #include "wx/fontutil.h" | |
28 | ||
29 | #include "wx/gtk1/private.h" | |
30 | #include "wx/gtk1/win_gtk.h" | |
31 | ||
32 | #include <gdk/gdkkeysyms.h> | |
33 | ||
34 | // ---------------------------------------------------------------------------- | |
35 | // events | |
36 | // ---------------------------------------------------------------------------- | |
37 | ||
38 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED) | |
39 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING) | |
40 | ||
41 | //----------------------------------------------------------------------------- | |
42 | // idle system | |
43 | //----------------------------------------------------------------------------- | |
44 | ||
45 | extern void wxapp_install_idle_handler(); | |
46 | extern bool g_isIdle; | |
47 | ||
48 | //----------------------------------------------------------------------------- | |
49 | // data | |
50 | //----------------------------------------------------------------------------- | |
51 | ||
52 | extern bool g_blockEventsOnDrag; | |
53 | ||
54 | //----------------------------------------------------------------------------- | |
55 | // wxGtkNotebookPage | |
56 | //----------------------------------------------------------------------------- | |
57 | ||
58 | // VZ: this is rather ugly as we keep the pages themselves in an array (it | |
59 | // allows us to have quite a few functions implemented in the base class) | |
60 | // but the page data is kept in a separate list, so we must maintain them | |
61 | // in sync manually... of course, the list had been there before the base | |
62 | // class which explains it but it still would be nice to do something | |
63 | // about this one day | |
64 | ||
65 | class wxGtkNotebookPage: public wxObject | |
66 | { | |
67 | public: | |
68 | wxGtkNotebookPage() | |
69 | { | |
70 | m_image = -1; | |
71 | m_page = (GtkNotebookPage *) NULL; | |
72 | m_box = (GtkWidget *) NULL; | |
73 | } | |
74 | ||
75 | wxString m_text; | |
76 | int m_image; | |
77 | GtkNotebookPage *m_page; | |
78 | GtkLabel *m_label; | |
79 | GtkWidget *m_box; // in which the label and image are packed | |
80 | }; | |
81 | ||
82 | ||
83 | #include "wx/listimpl.cpp" | |
84 | WX_DEFINE_LIST(wxGtkNotebookPagesList) | |
85 | ||
86 | ||
87 | //----------------------------------------------------------------------------- | |
88 | // "switch_page" | |
89 | //----------------------------------------------------------------------------- | |
90 | ||
91 | extern "C" { | |
92 | static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget), | |
93 | GtkNotebookPage *WXUNUSED(page), | |
94 | gint page, | |
95 | wxNotebook *notebook ) | |
96 | { | |
97 | // are you trying to call SetSelection() from a notebook event handler? | |
98 | // you shouldn't! | |
99 | wxCHECK_RET( !notebook->m_inSwitchPage, | |
100 | _T("gtk_notebook_page_change_callback reentered") ); | |
101 | ||
102 | notebook->m_inSwitchPage = true; | |
103 | if (g_isIdle) | |
104 | wxapp_install_idle_handler(); | |
105 | ||
106 | int old = notebook->GetSelection(); | |
107 | ||
108 | if (notebook->m_skipNextPageChangeEvent) | |
109 | { | |
110 | // this event was programatically generated by ChangeSelection() and thus must | |
111 | // be skipped | |
112 | notebook->m_skipNextPageChangeEvent = false; | |
113 | ||
114 | // make wxNotebook::GetSelection() return the correct (i.e. consistent | |
115 | // with wxNotebookEvent::GetSelection()) value even though the page is | |
116 | // not really changed in GTK+ | |
117 | notebook->m_selection = page; | |
118 | } | |
119 | else | |
120 | { | |
121 | if ( !notebook->SendPageChangingEvent(page) ) | |
122 | { | |
123 | // program doesn't allow the page change | |
124 | gtk_signal_emit_stop_by_name(GTK_OBJECT(notebook->m_widget), "switch_page"); | |
125 | } | |
126 | else // change allowed | |
127 | { | |
128 | // make wxNotebook::GetSelection() return the correct (i.e. consistent | |
129 | // with wxNotebookEvent::GetSelection()) value even though the page is | |
130 | // not really changed in GTK+ | |
131 | notebook->m_selection = page; | |
132 | ||
133 | notebook->SendPageChangedEvent(old); | |
134 | } | |
135 | } | |
136 | ||
137 | notebook->m_inSwitchPage = FALSE; | |
138 | } | |
139 | } | |
140 | ||
141 | //----------------------------------------------------------------------------- | |
142 | // "size_allocate" | |
143 | //----------------------------------------------------------------------------- | |
144 | ||
145 | extern "C" { | |
146 | static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win ) | |
147 | { | |
148 | if (g_isIdle) | |
149 | wxapp_install_idle_handler(); | |
150 | ||
151 | if ((win->m_x == alloc->x) && | |
152 | (win->m_y == alloc->y) && | |
153 | (win->m_width == alloc->width) && | |
154 | (win->m_height == alloc->height)) | |
155 | { | |
156 | return; | |
157 | } | |
158 | ||
159 | win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height ); | |
160 | ||
161 | /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate | |
162 | here in order to make repositioning after resizing to take effect. */ | |
163 | if ((gtk_major_version == 1) && | |
164 | (gtk_minor_version == 2) && | |
165 | (gtk_micro_version < 6) && | |
166 | (win->m_wxwindow) && | |
167 | (GTK_WIDGET_REALIZED(win->m_wxwindow))) | |
168 | { | |
169 | gtk_widget_size_allocate( win->m_wxwindow, alloc ); | |
170 | } | |
171 | } | |
172 | } | |
173 | ||
174 | //----------------------------------------------------------------------------- | |
175 | // "realize" from m_widget | |
176 | //----------------------------------------------------------------------------- | |
177 | ||
178 | extern "C" { | |
179 | static gint | |
180 | gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win ) | |
181 | { | |
182 | if (g_isIdle) | |
183 | wxapp_install_idle_handler(); | |
184 | ||
185 | /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize | |
186 | here in order to make repositioning before showing to take effect. */ | |
187 | gtk_widget_queue_resize( win->m_widget ); | |
188 | ||
189 | return FALSE; | |
190 | } | |
191 | } | |
192 | ||
193 | //----------------------------------------------------------------------------- | |
194 | // "key_press_event" | |
195 | //----------------------------------------------------------------------------- | |
196 | ||
197 | extern "C" { | |
198 | static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook ) | |
199 | { | |
200 | if (g_isIdle) | |
201 | wxapp_install_idle_handler(); | |
202 | ||
203 | if (!notebook->m_hasVMT) return FALSE; | |
204 | if (g_blockEventsOnDrag) return FALSE; | |
205 | ||
206 | /* win is a control: tab can be propagated up */ | |
207 | if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right)) | |
208 | { | |
209 | int page; | |
210 | int nMax = notebook->GetPageCount(); | |
211 | if ( nMax-- ) // decrement it to get the last valid index | |
212 | { | |
213 | int nSel = notebook->GetSelection(); | |
214 | ||
215 | // change selection wrapping if it becomes invalid | |
216 | page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0 | |
217 | : nSel + 1 | |
218 | : nSel == 0 ? nMax | |
219 | : nSel - 1; | |
220 | } | |
221 | else // notebook is empty, no next page | |
222 | { | |
223 | return FALSE; | |
224 | } | |
225 | ||
226 | // m_selection = page; | |
227 | gtk_notebook_set_page( GTK_NOTEBOOK(widget), page ); | |
228 | ||
229 | gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" ); | |
230 | return TRUE; | |
231 | } | |
232 | ||
233 | /* win is a control: tab can be propagated up */ | |
234 | if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) | |
235 | { | |
236 | int sel = notebook->GetSelection(); | |
237 | if (sel == -1) | |
238 | return TRUE; | |
239 | wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel); | |
240 | wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") ); | |
241 | ||
242 | wxNavigationKeyEvent event; | |
243 | event.SetEventObject( notebook ); | |
244 | /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */ | |
245 | event.SetDirection( (gdk_event->keyval == GDK_Tab) ); | |
246 | /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */ | |
247 | event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) || | |
248 | (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) ); | |
249 | event.SetCurrentFocus( notebook ); | |
250 | ||
251 | wxNotebookPage *client = notebook->GetPage(sel); | |
252 | if ( !client->HandleWindowEvent( event ) ) | |
253 | { | |
254 | client->SetFocus(); | |
255 | } | |
256 | ||
257 | gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" ); | |
258 | return TRUE; | |
259 | } | |
260 | ||
261 | return FALSE; | |
262 | } | |
263 | } | |
264 | ||
265 | //----------------------------------------------------------------------------- | |
266 | // InsertChild callback for wxNotebook | |
267 | //----------------------------------------------------------------------------- | |
268 | ||
269 | static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child ) | |
270 | { | |
271 | // Hack Alert! (Part I): This sets the notebook as the parent of the child | |
272 | // widget, and takes care of some details such as updating the state and | |
273 | // style of the child to reflect its new location. We do this early | |
274 | // because without it GetBestSize (which is used to set the initial size | |
275 | // of controls if an explicit size is not given) will often report | |
276 | // incorrect sizes since the widget's style context is not fully known. | |
277 | // See bug #901694 for details | |
278 | // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863) | |
279 | gtk_widget_set_parent(child->m_widget, parent->m_widget); | |
280 | ||
281 | // NOTE: This should be considered a temporary workaround until we can | |
282 | // work out the details and implement delaying the setting of the initial | |
283 | // size of widgets until the size is really needed. | |
284 | } | |
285 | ||
286 | //----------------------------------------------------------------------------- | |
287 | // wxNotebook | |
288 | //----------------------------------------------------------------------------- | |
289 | ||
290 | IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxBookCtrlBase) | |
291 | ||
292 | BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase) | |
293 | EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey) | |
294 | END_EVENT_TABLE() | |
295 | ||
296 | void wxNotebook::Init() | |
297 | { | |
298 | m_padding = 0; | |
299 | m_inSwitchPage = false; | |
300 | ||
301 | m_imageList = (wxImageList *) NULL; | |
302 | m_selection = -1; | |
303 | m_themeEnabled = true; | |
304 | } | |
305 | ||
306 | wxNotebook::wxNotebook() | |
307 | { | |
308 | Init(); | |
309 | } | |
310 | ||
311 | wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id, | |
312 | const wxPoint& pos, const wxSize& size, | |
313 | long style, const wxString& name ) | |
314 | { | |
315 | Init(); | |
316 | Create( parent, id, pos, size, style, name ); | |
317 | } | |
318 | ||
319 | wxNotebook::~wxNotebook() | |
320 | { | |
321 | DeleteAllPages(); | |
322 | } | |
323 | ||
324 | bool wxNotebook::Create(wxWindow *parent, wxWindowID id, | |
325 | const wxPoint& pos, const wxSize& size, | |
326 | long style, const wxString& name ) | |
327 | { | |
328 | m_needParent = true; | |
329 | m_acceptsFocus = true; | |
330 | m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook; | |
331 | ||
332 | if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT ) | |
333 | style |= wxBK_TOP; | |
334 | ||
335 | if (!PreCreation( parent, pos, size ) || | |
336 | !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) | |
337 | { | |
338 | wxFAIL_MSG( wxT("wxNoteBook creation failed") ); | |
339 | return false; | |
340 | } | |
341 | ||
342 | ||
343 | m_widget = gtk_notebook_new(); | |
344 | ||
345 | gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 ); | |
346 | ||
347 | gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page", | |
348 | GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this ); | |
349 | ||
350 | m_parent->DoAddChild( this ); | |
351 | ||
352 | if (m_windowStyle & wxBK_RIGHT) | |
353 | gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT ); | |
354 | if (m_windowStyle & wxBK_LEFT) | |
355 | gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT ); | |
356 | if (m_windowStyle & wxBK_BOTTOM) | |
357 | gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM ); | |
358 | ||
359 | gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event", | |
360 | GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this ); | |
361 | ||
362 | PostCreation(size); | |
363 | ||
364 | gtk_signal_connect( GTK_OBJECT(m_widget), "realize", | |
365 | GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this ); | |
366 | ||
367 | return true; | |
368 | } | |
369 | ||
370 | int wxNotebook::GetSelection() const | |
371 | { | |
372 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") ); | |
373 | ||
374 | if ( m_selection == -1 ) | |
375 | { | |
376 | GList *nb_pages = GTK_NOTEBOOK(m_widget)->children; | |
377 | ||
378 | if (g_list_length(nb_pages) != 0) | |
379 | { | |
380 | GtkNotebook *notebook = GTK_NOTEBOOK(m_widget); | |
381 | ||
382 | gpointer cur = notebook->cur_page; | |
383 | if ( cur != NULL ) | |
384 | { | |
385 | wxConstCast(this, wxNotebook)->m_selection = | |
386 | g_list_index( nb_pages, cur ); | |
387 | } | |
388 | } | |
389 | } | |
390 | ||
391 | return m_selection; | |
392 | } | |
393 | ||
394 | wxString wxNotebook::GetPageText( size_t page ) const | |
395 | { | |
396 | wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") ); | |
397 | ||
398 | wxGtkNotebookPage* nb_page = GetNotebookPage(page); | |
399 | if (nb_page) | |
400 | return nb_page->m_text; | |
401 | else | |
402 | return wxEmptyString; | |
403 | } | |
404 | ||
405 | int wxNotebook::GetPageImage( size_t page ) const | |
406 | { | |
407 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") ); | |
408 | ||
409 | wxGtkNotebookPage* nb_page = GetNotebookPage(page); | |
410 | if (nb_page) | |
411 | return nb_page->m_image; | |
412 | else | |
413 | return -1; | |
414 | } | |
415 | ||
416 | wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const | |
417 | { | |
418 | wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") ); | |
419 | ||
420 | wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") ); | |
421 | ||
422 | return m_pagesData.Item(page)->GetData(); | |
423 | } | |
424 | ||
425 | int wxNotebook::DoSetSelection( size_t page, int flags ) | |
426 | { | |
427 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") ); | |
428 | ||
429 | wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") ); | |
430 | ||
431 | int selOld = GetSelection(); | |
432 | ||
433 | if ( !(flags & SetSelection_SendEvent) ) | |
434 | m_skipNextPageChangeEvent = true; | |
435 | ||
436 | // cache the selection | |
437 | m_selection = page; | |
438 | gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page ); | |
439 | ||
440 | #ifdef __WXDEBUG__ | |
441 | if ( !(flags & SetSelection_SendEvent) ) | |
442 | { | |
443 | // gtk_notebook_set_current_page will emit the switch-page signal which will be | |
444 | // caught by our gtk_notebook_page_change_callback which should have reset the | |
445 | // flag to false: | |
446 | wxASSERT(!m_skipNextPageChangeEvent); | |
447 | } | |
448 | #endif // __WXDEBUG__ | |
449 | ||
450 | wxNotebookPage *client = GetPage(page); | |
451 | if ( client ) | |
452 | client->SetFocus(); | |
453 | ||
454 | return selOld; | |
455 | } | |
456 | ||
457 | bool wxNotebook::SetPageText( size_t page, const wxString &text ) | |
458 | { | |
459 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") ); | |
460 | ||
461 | wxGtkNotebookPage* nb_page = GetNotebookPage(page); | |
462 | ||
463 | wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") ); | |
464 | ||
465 | nb_page->m_text = text; | |
466 | ||
467 | gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) ); | |
468 | ||
469 | return true; | |
470 | } | |
471 | ||
472 | bool wxNotebook::SetPageImage( size_t page, int image ) | |
473 | { | |
474 | /* HvdH 28-12-98: now it works, but it's a bit of a kludge */ | |
475 | ||
476 | wxGtkNotebookPage* nb_page = GetNotebookPage(page); | |
477 | ||
478 | if (!nb_page) return FALSE; | |
479 | ||
480 | /* Optimization posibility: return immediately if image unchanged. | |
481 | * Not enabled because it may break existing (stupid) code that | |
482 | * manipulates the imagelist to cycle images */ | |
483 | ||
484 | /* if (image == nb_page->m_image) return true; */ | |
485 | ||
486 | /* For different cases: | |
487 | 1) no image -> no image | |
488 | 2) image -> no image | |
489 | 3) no image -> image | |
490 | 4) image -> image */ | |
491 | ||
492 | if (image == -1 && nb_page->m_image == -1) | |
493 | return true; /* Case 1): Nothing to do. */ | |
494 | ||
495 | GtkWidget *pixmapwid = (GtkWidget*) NULL; | |
496 | ||
497 | if (nb_page->m_image != -1) | |
498 | { | |
499 | /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */ | |
500 | ||
501 | GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box)); | |
502 | while (child) | |
503 | { | |
504 | if (GTK_IS_PIXMAP(child->data)) | |
505 | { | |
506 | pixmapwid = GTK_WIDGET(child->data); | |
507 | break; | |
508 | } | |
509 | child = child->next; | |
510 | } | |
511 | ||
512 | /* We should have the pixmap widget now */ | |
513 | wxASSERT(pixmapwid != NULL); | |
514 | ||
515 | if (image == -1) | |
516 | { | |
517 | /* If there's no new widget, just remove the old from the box */ | |
518 | gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid); | |
519 | nb_page->m_image = -1; | |
520 | ||
521 | return true; /* Case 2) */ | |
522 | } | |
523 | } | |
524 | ||
525 | /* Only cases 3) and 4) left */ | |
526 | wxASSERT( m_imageList != NULL ); /* Just in case */ | |
527 | ||
528 | /* Construct the new pixmap */ | |
529 | const wxBitmap *bmp = m_imageList->GetBitmapPtr(image); | |
530 | GdkPixmap *pixmap = bmp->GetPixmap(); | |
531 | GdkBitmap *mask = (GdkBitmap*) NULL; | |
532 | if ( bmp->GetMask() ) | |
533 | { | |
534 | mask = bmp->GetMask()->GetBitmap(); | |
535 | } | |
536 | ||
537 | if (pixmapwid == NULL) | |
538 | { | |
539 | /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */ | |
540 | pixmapwid = gtk_pixmap_new (pixmap, mask ); | |
541 | ||
542 | /* CHECKME: Are these pack flags okay? */ | |
543 | gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding); | |
544 | gtk_widget_show(pixmapwid); | |
545 | } | |
546 | else | |
547 | { | |
548 | /* Case 4) Simply replace the pixmap */ | |
549 | gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask); | |
550 | } | |
551 | ||
552 | nb_page->m_image = image; | |
553 | ||
554 | return true; | |
555 | } | |
556 | ||
557 | void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) ) | |
558 | { | |
559 | wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") ); | |
560 | } | |
561 | ||
562 | void wxNotebook::SetPadding( const wxSize &padding ) | |
563 | { | |
564 | wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") ); | |
565 | ||
566 | m_padding = padding.GetWidth(); | |
567 | ||
568 | int i; | |
569 | for (i=0; i<int(GetPageCount()); i++) | |
570 | { | |
571 | wxGtkNotebookPage* nb_page = GetNotebookPage(i); | |
572 | wxASSERT(nb_page != NULL); | |
573 | ||
574 | if (nb_page->m_image != -1) | |
575 | { | |
576 | // gtk_box_set_child_packing sets padding on BOTH sides | |
577 | // icon provides left padding, label provides center and right | |
578 | int image = nb_page->m_image; | |
579 | SetPageImage(i,-1); | |
580 | SetPageImage(i,image); | |
581 | } | |
582 | wxASSERT(nb_page->m_label); | |
583 | gtk_box_set_child_packing(GTK_BOX(nb_page->m_box), | |
584 | GTK_WIDGET(nb_page->m_label), | |
585 | FALSE, FALSE, m_padding, GTK_PACK_END); | |
586 | } | |
587 | } | |
588 | ||
589 | void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz)) | |
590 | { | |
591 | wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") ); | |
592 | } | |
593 | ||
594 | bool wxNotebook::DeleteAllPages() | |
595 | { | |
596 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") ); | |
597 | ||
598 | while (m_pagesData.GetCount() > 0) | |
599 | DeletePage( m_pagesData.GetCount()-1 ); | |
600 | ||
601 | wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") ); | |
602 | ||
603 | InvalidateBestSize(); | |
604 | return wxNotebookBase::DeleteAllPages(); | |
605 | } | |
606 | ||
607 | wxNotebookPage *wxNotebook::DoRemovePage( size_t page ) | |
608 | { | |
609 | if ( m_selection != -1 && (size_t)m_selection >= page ) | |
610 | { | |
611 | // the index will become invalid after the page is deleted | |
612 | m_selection = -1; | |
613 | } | |
614 | ||
615 | wxNotebookPage *client = wxNotebookBase::DoRemovePage(page); | |
616 | if ( !client ) | |
617 | return NULL; | |
618 | ||
619 | gtk_widget_ref( client->m_widget ); | |
620 | gtk_widget_unrealize( client->m_widget ); | |
621 | gtk_widget_unparent( client->m_widget ); | |
622 | ||
623 | // gtk_notebook_remove_page() sends "switch_page" signal with some strange | |
624 | // new page index (when deleting selected page 0, new page is 1 although, | |
625 | // clearly, the selection should stay 0), so suppress this | |
626 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), | |
627 | GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this ); | |
628 | ||
629 | gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page ); | |
630 | ||
631 | gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page", | |
632 | GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this ); | |
633 | ||
634 | wxGtkNotebookPage* p = GetNotebookPage(page); | |
635 | m_pagesData.DeleteObject(p); | |
636 | delete p; | |
637 | ||
638 | return client; | |
639 | } | |
640 | ||
641 | bool wxNotebook::InsertPage( size_t position, | |
642 | wxNotebookPage* win, | |
643 | const wxString& text, | |
644 | bool select, | |
645 | int imageId ) | |
646 | { | |
647 | wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") ); | |
648 | ||
649 | wxCHECK_MSG( win->GetParent() == this, FALSE, | |
650 | wxT("Can't add a page whose parent is not the notebook!") ); | |
651 | ||
652 | wxCHECK_MSG( position <= GetPageCount(), FALSE, | |
653 | _T("invalid page index in wxNotebookPage::InsertPage()") ); | |
654 | ||
655 | // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback | |
656 | // why this has to be done. NOTE: using gtk_widget_unparent here does not | |
657 | // work as it seems to undo too much and will cause errors in the | |
658 | // gtk_notebook_insert_page below, so instead just clear the parent by | |
659 | // hand here. | |
660 | win->m_widget->parent = NULL; | |
661 | ||
662 | // don't receive switch page during addition | |
663 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), | |
664 | GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this ); | |
665 | ||
666 | if (m_themeEnabled) | |
667 | win->SetThemeEnabled(true); | |
668 | ||
669 | GtkNotebook *notebook = GTK_NOTEBOOK(m_widget); | |
670 | ||
671 | wxGtkNotebookPage *nb_page = new wxGtkNotebookPage(); | |
672 | ||
673 | if ( position == GetPageCount() ) | |
674 | m_pagesData.Append( nb_page ); | |
675 | else | |
676 | m_pagesData.Insert( position, nb_page ); | |
677 | ||
678 | m_pages.Insert(win, position); | |
679 | ||
680 | nb_page->m_box = gtk_hbox_new( FALSE, 1 ); | |
681 | gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 ); | |
682 | ||
683 | gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate", | |
684 | GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win ); | |
685 | ||
686 | gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position ); | |
687 | ||
688 | nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data; | |
689 | ||
690 | /* set the label image */ | |
691 | nb_page->m_image = imageId; | |
692 | ||
693 | if (imageId != -1) | |
694 | { | |
695 | wxASSERT( m_imageList != NULL ); | |
696 | ||
697 | const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId); | |
698 | GdkPixmap *pixmap = bmp->GetPixmap(); | |
699 | GdkBitmap *mask = (GdkBitmap*) NULL; | |
700 | if ( bmp->GetMask() ) | |
701 | { | |
702 | mask = bmp->GetMask()->GetBitmap(); | |
703 | } | |
704 | ||
705 | GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask ); | |
706 | ||
707 | gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding); | |
708 | ||
709 | gtk_widget_show(pixmapwid); | |
710 | } | |
711 | ||
712 | /* set the label text */ | |
713 | ||
714 | nb_page->m_text = text; | |
715 | if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString; | |
716 | ||
717 | nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) ); | |
718 | gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding ); | |
719 | ||
720 | /* apply current style */ | |
721 | GtkRcStyle *style = CreateWidgetStyle(); | |
722 | if ( style ) | |
723 | { | |
724 | gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style); | |
725 | gtk_rc_style_unref(style); | |
726 | } | |
727 | ||
728 | /* show the label */ | |
729 | gtk_widget_show( GTK_WIDGET(nb_page->m_label) ); | |
730 | if (select && (m_pagesData.GetCount() > 1)) | |
731 | { | |
732 | SetSelection( position ); | |
733 | } | |
734 | ||
735 | gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page", | |
736 | GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this ); | |
737 | ||
738 | InvalidateBestSize(); | |
739 | return true; | |
740 | } | |
741 | ||
742 | // helper for HitTest(): check if the point lies inside the given widget which | |
743 | // is the child of the notebook whose position and border size are passed as | |
744 | // parameters | |
745 | static bool | |
746 | IsPointInsideWidget(const wxPoint& pt, GtkWidget *w, | |
747 | gint x, gint y, gint border = 0) | |
748 | { | |
749 | return | |
750 | (pt.x >= w->allocation.x - x - border) && | |
751 | (pt.x <= w->allocation.x - x + border + w->allocation.width) && | |
752 | (pt.y >= w->allocation.y - y - border) && | |
753 | (pt.y <= w->allocation.y - y + border + w->allocation.height); | |
754 | } | |
755 | ||
756 | int wxNotebook::HitTest(const wxPoint& pt, long *flags) const | |
757 | { | |
758 | const gint x = m_widget->allocation.x; | |
759 | const gint y = m_widget->allocation.y; | |
760 | ||
761 | const size_t count = GetPageCount(); | |
762 | size_t i = 0; | |
763 | ||
764 | // MR: Code to fix HitTest index return when tabs are scrolled. | |
765 | // No idea if it would work for GTK1 | |
766 | #if 0 | |
767 | GtkNotebook * notebook = GTK_NOTEBOOK(m_widget); | |
768 | if (gtk_notebook_get_scrollable(notebook)); | |
769 | i = g_list_position( notebook->children, notebook->first_tab ); | |
770 | #endif | |
771 | ||
772 | for ( ; i < count; i++ ) | |
773 | { | |
774 | wxGtkNotebookPage* nb_page = GetNotebookPage(i); | |
775 | GtkWidget *box = nb_page->m_box; | |
776 | ||
777 | // VZ: don't know how to find the border width in GTK+ 1.2 | |
778 | const gint border = 0; | |
779 | if ( IsPointInsideWidget(pt, box, x, y, border) ) | |
780 | { | |
781 | // ok, we're inside this tab -- now find out where, if needed | |
782 | if ( flags ) | |
783 | { | |
784 | GtkWidget *pixmap = NULL; | |
785 | ||
786 | GList *children = gtk_container_children(GTK_CONTAINER(box)); | |
787 | for ( GList *child = children; child; child = child->next ) | |
788 | { | |
789 | if ( GTK_IS_PIXMAP(child->data) ) | |
790 | { | |
791 | pixmap = GTK_WIDGET(child->data); | |
792 | break; | |
793 | } | |
794 | } | |
795 | ||
796 | if ( children ) | |
797 | g_list_free(children); | |
798 | ||
799 | if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) ) | |
800 | { | |
801 | *flags = wxBK_HITTEST_ONICON; | |
802 | } | |
803 | else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) ) | |
804 | { | |
805 | *flags = wxBK_HITTEST_ONLABEL; | |
806 | } | |
807 | else | |
808 | { | |
809 | *flags = wxBK_HITTEST_ONITEM; | |
810 | } | |
811 | } | |
812 | ||
813 | return i; | |
814 | } | |
815 | } | |
816 | ||
817 | if ( flags ) | |
818 | *flags = wxBK_HITTEST_NOWHERE; | |
819 | ||
820 | return wxNOT_FOUND; | |
821 | } | |
822 | ||
823 | void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event) | |
824 | { | |
825 | if (event.IsWindowChange()) | |
826 | AdvanceSelection( event.GetDirection() ); | |
827 | else | |
828 | event.Skip(); | |
829 | } | |
830 | ||
831 | #if wxUSE_CONSTRAINTS | |
832 | ||
833 | // override these 2 functions to do nothing: everything is done in OnSize | |
834 | void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) ) | |
835 | { | |
836 | // don't set the sizes of the pages - their correct size is not yet known | |
837 | wxControl::SetConstraintSizes(FALSE); | |
838 | } | |
839 | ||
840 | bool wxNotebook::DoPhase( int WXUNUSED(nPhase) ) | |
841 | { | |
842 | return true; | |
843 | } | |
844 | ||
845 | #endif | |
846 | ||
847 | void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style) | |
848 | { | |
849 | gtk_widget_modify_style(m_widget, style); | |
850 | size_t cnt = m_pagesData.GetCount(); | |
851 | for (size_t i = 0; i < cnt; i++) | |
852 | gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style); | |
853 | } | |
854 | ||
855 | bool wxNotebook::IsOwnGtkWindow( GdkWindow *window ) | |
856 | { | |
857 | return ((m_widget->window == window) || | |
858 | (NOTEBOOK_PANEL(m_widget) == window)); | |
859 | } | |
860 | ||
861 | // static | |
862 | wxVisualAttributes | |
863 | wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
864 | { | |
865 | return GetDefaultAttributesFromGTKWidget(gtk_notebook_new); | |
866 | } | |
867 | ||
868 | //----------------------------------------------------------------------------- | |
869 | // wxNotebookEvent | |
870 | //----------------------------------------------------------------------------- | |
871 | ||
872 | IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent) | |
873 | ||
874 | #endif |