]> git.saurik.com Git - wxWidgets.git/blob - src/msw/notebook.cpp
90edb491b32dc46aed78e90d581380229525e52f
[wxWidgets.git] / src / msw / notebook.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/notebook.cpp
3 // Purpose: implementation of wxNotebook
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 11.06.98
7 // RCS-ID: $Id$
8 // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_NOTEBOOK
20
21 #include "wx/notebook.h"
22
23 #ifndef WX_PRECOMP
24 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
25 #include "wx/string.h"
26 #include "wx/dc.h"
27 #include "wx/log.h"
28 #include "wx/event.h"
29 #include "wx/app.h"
30 #include "wx/dcclient.h"
31 #include "wx/dcmemory.h"
32 #include "wx/control.h"
33 #include "wx/panel.h"
34 #endif // WX_PRECOMP
35
36 #include "wx/imaglist.h"
37 #include "wx/sysopt.h"
38
39 #include "wx/msw/private.h"
40 #include "wx/msw/dc.h"
41
42 #include <windowsx.h>
43 #include "wx/msw/winundef.h"
44
45 #if wxUSE_UXTHEME
46 #include "wx/msw/uxtheme.h"
47 #endif
48
49 // ----------------------------------------------------------------------------
50 // macros
51 // ----------------------------------------------------------------------------
52
53 // check that the page index is valid
54 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
55
56 // you can set USE_NOTEBOOK_ANTIFLICKER to 0 for desktop Windows versions too
57 // to disable code whih results in flicker-less notebook redrawing at the
58 // expense of some extra GDI resource consumption
59 #ifdef __WXWINCE__
60 // notebooks are never resized under CE anyhow
61 #define USE_NOTEBOOK_ANTIFLICKER 0
62 #else
63 #define USE_NOTEBOOK_ANTIFLICKER 1
64 #endif
65
66 // ----------------------------------------------------------------------------
67 // constants
68 // ----------------------------------------------------------------------------
69
70 // This is a work-around for missing defines in gcc-2.95 headers
71 #ifndef TCS_RIGHT
72 #define TCS_RIGHT 0x0002
73 #endif
74
75 #ifndef TCS_VERTICAL
76 #define TCS_VERTICAL 0x0080
77 #endif
78
79 #ifndef TCS_BOTTOM
80 #define TCS_BOTTOM TCS_RIGHT
81 #endif
82
83 // ----------------------------------------------------------------------------
84 // global variables
85 // ----------------------------------------------------------------------------
86
87 #if USE_NOTEBOOK_ANTIFLICKER
88
89 // the pointer to standard spin button wnd proc
90 static WXFARPROC gs_wndprocNotebookSpinBtn = (WXFARPROC)NULL;
91
92 // the pointer to standard tab control wnd proc
93 static WXFARPROC gs_wndprocNotebook = (WXFARPROC)NULL;
94
95 LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
96 UINT message,
97 WPARAM wParam,
98 LPARAM lParam);
99
100 #endif // USE_NOTEBOOK_ANTIFLICKER
101
102 // ----------------------------------------------------------------------------
103 // global functions
104 // ----------------------------------------------------------------------------
105
106 static bool HasTroubleWithNonTopTabs()
107 {
108 const int verComCtl32 = wxApp::GetComCtl32Version();
109
110 // 600 is XP, 616 is Vista -- and both have a problem with tabs not on top
111 // (but don't just test for >= 600 as Microsoft might decide to fix it in
112 // later versions, who knows...)
113 return verComCtl32 >= 600 && verComCtl32 <= 616;
114 }
115
116 // ----------------------------------------------------------------------------
117 // event table
118 // ----------------------------------------------------------------------------
119
120 #include "wx/listimpl.cpp"
121
122 WX_DEFINE_LIST( wxNotebookPageInfoList )
123
124 BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
125 EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
126 EVT_SIZE(wxNotebook::OnSize)
127 EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
128
129 #if USE_NOTEBOOK_ANTIFLICKER
130 EVT_ERASE_BACKGROUND(wxNotebook::OnEraseBackground)
131 EVT_PAINT(wxNotebook::OnPaint)
132 #endif // USE_NOTEBOOK_ANTIFLICKER
133 END_EVENT_TABLE()
134
135 #if wxUSE_EXTENDED_RTTI
136 WX_DEFINE_FLAGS( wxNotebookStyle )
137
138 wxBEGIN_FLAGS( wxNotebookStyle )
139 // new style border flags, we put them first to
140 // use them for streaming out
141 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
142 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
143 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
144 wxFLAGS_MEMBER(wxBORDER_RAISED)
145 wxFLAGS_MEMBER(wxBORDER_STATIC)
146 wxFLAGS_MEMBER(wxBORDER_NONE)
147
148 // old style border flags
149 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
150 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
151 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
152 wxFLAGS_MEMBER(wxRAISED_BORDER)
153 wxFLAGS_MEMBER(wxSTATIC_BORDER)
154 wxFLAGS_MEMBER(wxBORDER)
155
156 // standard window styles
157 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
158 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
159 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
160 wxFLAGS_MEMBER(wxWANTS_CHARS)
161 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
162 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
163 wxFLAGS_MEMBER(wxVSCROLL)
164 wxFLAGS_MEMBER(wxHSCROLL)
165
166 wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)
167 wxFLAGS_MEMBER(wxBK_DEFAULT)
168 wxFLAGS_MEMBER(wxBK_TOP)
169 wxFLAGS_MEMBER(wxBK_LEFT)
170 wxFLAGS_MEMBER(wxBK_RIGHT)
171 wxFLAGS_MEMBER(wxBK_BOTTOM)
172 wxFLAGS_MEMBER(wxNB_NOPAGETHEME)
173 wxFLAGS_MEMBER(wxNB_FLAT)
174
175 wxEND_FLAGS( wxNotebookStyle )
176
177 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebook, wxBookCtrlBase,"wx/notebook.h")
178 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebookPageInfo, wxObject , "wx/notebook.h" )
179
180 wxCOLLECTION_TYPE_INFO( wxNotebookPageInfo * , wxNotebookPageInfoList ) ;
181
182 template<> void wxCollectionToVariantArray( wxNotebookPageInfoList const &theList, wxxVariantArray &value)
183 {
184 wxListCollectionToVariantArray<wxNotebookPageInfoList::compatibility_iterator>( theList , value ) ;
185 }
186
187 wxBEGIN_PROPERTIES_TABLE(wxNotebook)
188 wxEVENT_PROPERTY( PageChanging , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING , wxBookCtrlEvent )
189 wxEVENT_PROPERTY( PageChanged , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED , wxBookCtrlEvent )
190
191 wxPROPERTY_COLLECTION( PageInfos , wxNotebookPageInfoList , wxNotebookPageInfo* , AddPageInfo , GetPageInfos , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
192 wxPROPERTY_FLAGS( WindowStyle , wxNotebookStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
193 wxEND_PROPERTIES_TABLE()
194
195 wxBEGIN_HANDLERS_TABLE(wxNotebook)
196 wxEND_HANDLERS_TABLE()
197
198 wxCONSTRUCTOR_5( wxNotebook , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle)
199
200
201 wxBEGIN_PROPERTIES_TABLE(wxNotebookPageInfo)
202 wxREADONLY_PROPERTY( Page , wxNotebookPage* , GetPage , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
203 wxREADONLY_PROPERTY( Text , wxString , GetText , wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
204 wxREADONLY_PROPERTY( Selected , bool , GetSelected , false, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
205 wxREADONLY_PROPERTY( ImageId , int , GetImageId , -1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
206 wxEND_PROPERTIES_TABLE()
207
208 wxBEGIN_HANDLERS_TABLE(wxNotebookPageInfo)
209 wxEND_HANDLERS_TABLE()
210
211 wxCONSTRUCTOR_4( wxNotebookPageInfo , wxNotebookPage* , Page , wxString , Text , bool , Selected , int , ImageId )
212
213 #else
214 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
215 IMPLEMENT_DYNAMIC_CLASS(wxNotebookPageInfo, wxObject )
216 #endif
217
218 // ============================================================================
219 // implementation
220 // ============================================================================
221
222 // ----------------------------------------------------------------------------
223 // wxNotebook construction
224 // ----------------------------------------------------------------------------
225
226 const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
227 {
228 wxNotebookPageInfoList* list = const_cast< wxNotebookPageInfoList* >( &m_pageInfos ) ;
229 WX_CLEAR_LIST( wxNotebookPageInfoList , *list ) ;
230 for( size_t i = 0 ; i < GetPageCount() ; ++i )
231 {
232 wxNotebookPageInfo *info = new wxNotebookPageInfo() ;
233 info->Create( const_cast<wxNotebook*>(this)->GetPage(i) , GetPageText(i) , GetSelection() == int(i) , GetPageImage(i) ) ;
234 list->Append( info ) ;
235 }
236 return m_pageInfos ;
237 }
238
239 // common part of all ctors
240 void wxNotebook::Init()
241 {
242 m_imageList = NULL;
243 m_nSelection = wxNOT_FOUND;
244
245 #if wxUSE_UXTHEME
246 m_hbrBackground = NULL;
247 #endif // wxUSE_UXTHEME
248
249 #if USE_NOTEBOOK_ANTIFLICKER
250 m_hasSubclassedUpdown = false;
251 #endif // USE_NOTEBOOK_ANTIFLICKER
252 }
253
254 // default for dynamic class
255 wxNotebook::wxNotebook()
256 {
257 Init();
258 }
259
260 // the same arguments as for wxControl
261 wxNotebook::wxNotebook(wxWindow *parent,
262 wxWindowID id,
263 const wxPoint& pos,
264 const wxSize& size,
265 long style,
266 const wxString& name)
267 {
268 Init();
269
270 Create(parent, id, pos, size, style, name);
271 }
272
273 // Create() function
274 bool wxNotebook::Create(wxWindow *parent,
275 wxWindowID id,
276 const wxPoint& pos,
277 const wxSize& size,
278 long style,
279 const wxString& name)
280 {
281 if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
282 {
283 #if defined(__POCKETPC__)
284 style |= wxBK_BOTTOM | wxNB_FLAT;
285 #else
286 style |= wxBK_TOP;
287 #endif
288 }
289
290 #ifdef __WXWINCE__
291 // Not sure why, but without this style, there is no border
292 // around the notebook tabs.
293 if (style & wxNB_FLAT)
294 style |= wxBORDER_SUNKEN;
295 #endif
296
297 #if !wxUSE_UXTHEME
298 // ComCtl32 notebook tabs simply don't work unless they're on top if we
299 // have uxtheme, we can work around it later (after control creation), but
300 // if we have been compiled without uxtheme support, we have to clear those
301 // styles
302 if ( HasTroubleWithNonTopTabs() )
303 {
304 style &= ~(wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT);
305 }
306 #endif //wxUSE_UXTHEME
307
308 #if defined(__WINE__) && wxUSE_UNICODE
309 LPCTSTR className = L"SysTabControl32";
310 #else
311 LPCTSTR className = WC_TABCONTROL;
312 #endif
313
314 #if USE_NOTEBOOK_ANTIFLICKER
315 // SysTabCtl32 class has natively CS_HREDRAW and CS_VREDRAW enabled and it
316 // causes horrible flicker when resizing notebook, so get rid of it by
317 // using a class without these styles (but otherwise identical to it)
318 if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
319 {
320 static ClassRegistrar s_clsNotebook;
321 if ( !s_clsNotebook.IsInitialized() )
322 {
323 // get a copy of standard class and modify it
324 WNDCLASS wc;
325
326 if ( ::GetClassInfo(NULL, WC_TABCONTROL, &wc) )
327 {
328 gs_wndprocNotebook =
329 reinterpret_cast<WXFARPROC>(wc.lpfnWndProc);
330 wc.lpszClassName = wxT("_wx_SysTabCtl32");
331 wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
332 wc.hInstance = wxGetInstance();
333 wc.lpfnWndProc = wxNotebookWndProc;
334 s_clsNotebook.Register(wc);
335 }
336 else
337 {
338 wxLogLastError(wxT("GetClassInfoEx(SysTabCtl32)"));
339 }
340 }
341
342 // use our custom class if available but fall back to the standard
343 // notebook if we failed to register it
344 if ( s_clsNotebook.IsRegistered() )
345 {
346 // it's ok to use c_str() here as the static s_clsNotebook object
347 // has sufficiently long lifetime
348 className = s_clsNotebook.GetName().c_str();
349 }
350 }
351 #endif // USE_NOTEBOOK_ANTIFLICKER
352
353 if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
354 wxDefaultValidator, name) )
355 return false;
356
357 if ( !MSWCreateControl(className, wxEmptyString, pos, size) )
358 return false;
359
360 #if wxUSE_UXTHEME
361 if ( HasFlag(wxNB_NOPAGETHEME) ||
362 wxSystemOptions::IsFalse(wxT("msw.notebook.themed-background")) )
363 {
364 SetBackgroundColour(GetThemeBackgroundColour());
365 }
366 else // use themed background by default
367 {
368 // create backing store
369 UpdateBgBrush();
370 }
371
372 // comctl32.dll 6.0 doesn't support non-top tabs with visual styles (the
373 // control is simply not rendered correctly), so we disable themes
374 // if possible, otherwise we simply clear the styles.
375 if ( HasTroubleWithNonTopTabs() &&
376 (style & (wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT)) )
377 {
378 // check if we use themes at all -- if we don't, we're still okay
379 if ( wxUxThemeEngine::GetIfActive() )
380 {
381 wxUxThemeEngine::GetIfActive()->SetWindowTheme(GetHwnd(), L"", L"");
382
383 // correct the background color for the new non-themed control
384 SetBackgroundColour(GetThemeBackgroundColour());
385 }
386 }
387 #endif // wxUSE_UXTHEME
388
389 // Undocumented hack to get flat notebook style
390 // In fact, we should probably only do this in some
391 // curcumstances, i.e. if we know we will have a border
392 // at the bottom (the tab control doesn't draw it itself)
393 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
394 if (HasFlag(wxNB_FLAT))
395 {
396 SendMessage(GetHwnd(), CCM_SETVERSION, COMCTL32_VERSION, 0);
397 if (!m_hasBgCol)
398 SetBackgroundColour(*wxWHITE);
399 }
400 #endif
401 return true;
402 }
403
404 WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
405 {
406 WXDWORD tabStyle = wxControl::MSWGetStyle(style, exstyle);
407
408 tabStyle |= WS_TABSTOP | TCS_TABS;
409
410 if ( style & wxNB_MULTILINE )
411 tabStyle |= TCS_MULTILINE;
412 if ( style & wxNB_FIXEDWIDTH )
413 tabStyle |= TCS_FIXEDWIDTH;
414
415 if ( style & wxBK_BOTTOM )
416 tabStyle |= TCS_RIGHT;
417 else if ( style & wxBK_LEFT )
418 tabStyle |= TCS_VERTICAL;
419 else if ( style & wxBK_RIGHT )
420 tabStyle |= TCS_VERTICAL | TCS_RIGHT;
421
422 return tabStyle;
423 }
424
425 wxNotebook::~wxNotebook()
426 {
427 #if wxUSE_UXTHEME
428 if ( m_hbrBackground )
429 ::DeleteObject((HBRUSH)m_hbrBackground);
430 #endif // wxUSE_UXTHEME
431 }
432
433 // ----------------------------------------------------------------------------
434 // wxNotebook accessors
435 // ----------------------------------------------------------------------------
436
437 size_t wxNotebook::GetPageCount() const
438 {
439 // consistency check
440 wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(GetHwnd()) );
441
442 return m_pages.Count();
443 }
444
445 int wxNotebook::GetRowCount() const
446 {
447 return TabCtrl_GetRowCount(GetHwnd());
448 }
449
450 int wxNotebook::SetSelection(size_t nPage)
451 {
452 wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
453
454 if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
455 {
456 if ( SendPageChangingEvent(nPage) )
457 {
458 // program allows the page change
459 SendPageChangedEvent(m_nSelection, nPage);
460
461 TabCtrl_SetCurSel(GetHwnd(), nPage);
462 }
463 }
464
465 return m_nSelection;
466 }
467
468 void wxNotebook::UpdateSelection(int selNew)
469 {
470 if ( m_nSelection != wxNOT_FOUND )
471 m_pages[m_nSelection]->Show(false);
472
473 if ( selNew != wxNOT_FOUND )
474 {
475 wxNotebookPage *pPage = m_pages[selNew];
476 pPage->Show(true);
477 }
478
479 // Changing the page should give the focus to it but, as per bug report
480 // http://sf.net/tracker/index.php?func=detail&aid=1150659&group_id=9863&atid=109863,
481 // we should not set the focus to it directly since it erroneously
482 // selects radio buttons and breaks keyboard handling for a notebook's
483 // scroll buttons. So give focus to the notebook and not the page.
484
485 // but don't do this is the notebook is hidden
486 if ( ::IsWindowVisible(GetHwnd()) )
487 SetFocus();
488
489 m_nSelection = selNew;
490 }
491
492 int wxNotebook::ChangeSelection(size_t nPage)
493 {
494 wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
495
496 const int selOld = m_nSelection;
497
498 if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
499 {
500 TabCtrl_SetCurSel(GetHwnd(), nPage);
501
502 UpdateSelection(nPage);
503 }
504
505 return selOld;
506 }
507
508 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
509 {
510 wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
511
512 TC_ITEM tcItem;
513 tcItem.mask = TCIF_TEXT;
514 tcItem.pszText = (wxChar *)strText.wx_str();
515
516 if ( !HasFlag(wxNB_MULTILINE) )
517 return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
518
519 // multiline - we need to set new page size if a line is added or removed
520 int rows = GetRowCount();
521 bool ret = TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
522
523 if ( ret && rows != GetRowCount() )
524 {
525 const wxRect r = GetPageSize();
526 const size_t count = m_pages.Count();
527 for ( size_t page = 0; page < count; page++ )
528 m_pages[page]->SetSize(r);
529 }
530
531 return ret;
532 }
533
534 wxString wxNotebook::GetPageText(size_t nPage) const
535 {
536 wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
537
538 wxChar buf[256];
539 TC_ITEM tcItem;
540 tcItem.mask = TCIF_TEXT;
541 tcItem.pszText = buf;
542 tcItem.cchTextMax = WXSIZEOF(buf);
543
544 wxString str;
545 if ( TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) )
546 str = tcItem.pszText;
547
548 return str;
549 }
550
551 int wxNotebook::GetPageImage(size_t nPage) const
552 {
553 wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
554
555 TC_ITEM tcItem;
556 tcItem.mask = TCIF_IMAGE;
557
558 return TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) ? tcItem.iImage
559 : wxNOT_FOUND;
560 }
561
562 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
563 {
564 wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
565
566 TC_ITEM tcItem;
567 tcItem.mask = TCIF_IMAGE;
568 tcItem.iImage = nImage;
569
570 return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
571 }
572
573 void wxNotebook::SetImageList(wxImageList* imageList)
574 {
575 wxNotebookBase::SetImageList(imageList);
576
577 if ( imageList )
578 {
579 (void) TabCtrl_SetImageList(GetHwnd(), GetHimagelistOf(imageList));
580 }
581 }
582
583 // ----------------------------------------------------------------------------
584 // wxNotebook size settings
585 // ----------------------------------------------------------------------------
586
587 wxRect wxNotebook::GetPageSize() const
588 {
589 wxRect r;
590
591 RECT rc;
592 ::GetClientRect(GetHwnd(), &rc);
593
594 // This check is to work around a bug in TabCtrl_AdjustRect which will
595 // cause a crash on win2k or on XP with themes disabled if either
596 // wxNB_MULTILINE is used or tabs are placed on a side, if the rectangle
597 // is too small.
598 //
599 // The value of 20 is chosen arbitrarily but seems to work
600 if ( rc.right > 20 && rc.bottom > 20 )
601 {
602 TabCtrl_AdjustRect(GetHwnd(), false, &rc);
603
604 wxCopyRECTToRect(rc, r);
605 }
606
607 return r;
608 }
609
610 void wxNotebook::SetPageSize(const wxSize& size)
611 {
612 // transform the page size into the notebook size
613 RECT rc;
614 rc.left =
615 rc.top = 0;
616 rc.right = size.x;
617 rc.bottom = size.y;
618
619 TabCtrl_AdjustRect(GetHwnd(), true, &rc);
620
621 // and now set it
622 SetSize(rc.right - rc.left, rc.bottom - rc.top);
623 }
624
625 void wxNotebook::SetPadding(const wxSize& padding)
626 {
627 TabCtrl_SetPadding(GetHwnd(), padding.x, padding.y);
628 }
629
630 // Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
631 // style.
632 void wxNotebook::SetTabSize(const wxSize& sz)
633 {
634 ::SendMessage(GetHwnd(), TCM_SETITEMSIZE, 0, MAKELPARAM(sz.x, sz.y));
635 }
636
637 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
638 {
639 // we can't use TabCtrl_AdjustRect here because it only works for wxNB_TOP
640 wxSize sizeTotal = sizePage;
641
642 wxSize tabSize;
643 if ( GetPageCount() > 0 )
644 {
645 RECT rect;
646 TabCtrl_GetItemRect(GetHwnd(), 0, &rect);
647 tabSize.x = rect.right - rect.left;
648 tabSize.y = rect.bottom - rect.top;
649 }
650
651 const int rows = GetRowCount();
652
653 // add an extra margin in both directions
654 const int MARGIN = 8;
655 if ( IsVertical() )
656 {
657 sizeTotal.x += MARGIN;
658 sizeTotal.y += tabSize.y * rows + MARGIN;
659 }
660 else // horizontal layout
661 {
662 sizeTotal.x += tabSize.x * rows + MARGIN;
663 sizeTotal.y += MARGIN;
664 }
665
666 return sizeTotal;
667 }
668
669 void wxNotebook::AdjustPageSize(wxNotebookPage *page)
670 {
671 wxCHECK_RET( page, wxT("NULL page in wxNotebook::AdjustPageSize") );
672
673 const wxRect r = GetPageSize();
674 if ( !r.IsEmpty() )
675 {
676 page->SetSize(r);
677 }
678 }
679
680 // ----------------------------------------------------------------------------
681 // wxNotebook operations
682 // ----------------------------------------------------------------------------
683
684 // remove one page from the notebook, without deleting
685 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
686 {
687 wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
688 if ( !pageRemoved )
689 return NULL;
690
691 // hide the removed page to maintain the invariant that only the
692 // selected page is visible and others are hidden:
693 pageRemoved->Show(false);
694
695 TabCtrl_DeleteItem(GetHwnd(), nPage);
696
697 if ( m_pages.IsEmpty() )
698 {
699 // no selection any more, the notebook becamse empty
700 m_nSelection = wxNOT_FOUND;
701 }
702 else // notebook still not empty
703 {
704 int selNew = TabCtrl_GetCurSel(GetHwnd());
705 if ( selNew != wxNOT_FOUND )
706 {
707 // No selection change, just refresh the current selection.
708 // Because it could be that the slection index changed
709 // we need to update it.
710 // Note: this does not mean the selection it self changed.
711 m_nSelection = selNew;
712 m_pages[m_nSelection]->Refresh();
713 }
714 else if (int(nPage) == m_nSelection)
715 {
716 // The selection was deleted.
717
718 // Determine new selection.
719 if (m_nSelection == int(GetPageCount()))
720 selNew = m_nSelection - 1;
721 else
722 selNew = m_nSelection;
723
724 // m_nSelection must be always valid so reset it before calling
725 // SetSelection()
726 m_nSelection = wxNOT_FOUND;
727 SetSelection(selNew);
728 }
729 else
730 {
731 wxFAIL; // Windows did not behave ok.
732 }
733 }
734
735 return pageRemoved;
736 }
737
738 // remove all pages
739 bool wxNotebook::DeleteAllPages()
740 {
741 size_t nPageCount = GetPageCount();
742 size_t nPage;
743 for ( nPage = 0; nPage < nPageCount; nPage++ )
744 delete m_pages[nPage];
745
746 m_pages.Clear();
747
748 TabCtrl_DeleteAllItems(GetHwnd());
749
750 m_nSelection = wxNOT_FOUND;
751
752 InvalidateBestSize();
753 return true;
754 }
755
756 // same as AddPage() but does it at given position
757 bool wxNotebook::InsertPage(size_t nPage,
758 wxNotebookPage *pPage,
759 const wxString& strText,
760 bool bSelect,
761 int imageId)
762 {
763 wxCHECK_MSG( pPage != NULL, false, wxT("NULL page in wxNotebook::InsertPage") );
764 wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), false,
765 wxT("invalid index in wxNotebook::InsertPage") );
766
767 wxASSERT_MSG( pPage->GetParent() == this,
768 wxT("notebook pages must have notebook as parent") );
769
770 // add a new tab to the control
771 // ----------------------------
772
773 // init all fields to 0
774 TC_ITEM tcItem;
775 wxZeroMemory(tcItem);
776
777 // set the image, if any
778 if ( imageId != -1 )
779 {
780 tcItem.mask |= TCIF_IMAGE;
781 tcItem.iImage = imageId;
782 }
783
784 // and the text
785 if ( !strText.empty() )
786 {
787 tcItem.mask |= TCIF_TEXT;
788 tcItem.pszText = (wxChar *)strText.wx_str(); // const_cast
789 }
790
791 // hide the page: unless it is selected, it shouldn't be shown (and if it
792 // is selected it will be shown later)
793 HWND hwnd = GetWinHwnd(pPage);
794 SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
795
796 // this updates internal flag too -- otherwise it would get out of sync
797 // with the real state
798 pPage->Show(false);
799
800
801 // fit the notebook page to the tab control's display area: this should be
802 // done before adding it to the notebook or TabCtrl_InsertItem() will
803 // change the notebooks size itself!
804 AdjustPageSize(pPage);
805
806 // finally do insert it
807 if ( TabCtrl_InsertItem(GetHwnd(), nPage, &tcItem) == -1 )
808 {
809 wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
810
811 return false;
812 }
813
814 // need to update the bg brush when the first page is added
815 // so the first panel gets the correct themed background
816 if ( m_pages.empty() )
817 {
818 #if wxUSE_UXTHEME
819 UpdateBgBrush();
820 #endif // wxUSE_UXTHEME
821 }
822
823 // succeeded: save the pointer to the page
824 m_pages.Insert(pPage, nPage);
825
826 // we may need to adjust the size again if the notebook size changed:
827 // normally this only happens for the first page we add (the tabs which
828 // hadn't been there before are now shown) but for a multiline notebook it
829 // can happen for any page at all as a new row could have been started
830 if ( m_pages.GetCount() == 1 || HasFlag(wxNB_MULTILINE) )
831 {
832 AdjustPageSize(pPage);
833 }
834
835 // now deal with the selection
836 // ---------------------------
837
838 // if the inserted page is before the selected one, we must update the
839 // index of the selected page
840 if ( int(nPage) <= m_nSelection )
841 {
842 // one extra page added
843 m_nSelection++;
844 }
845
846 // some page should be selected: either this one or the first one if there
847 // is still no selection
848 int selNew = wxNOT_FOUND;
849 if ( bSelect )
850 selNew = nPage;
851 else if ( m_nSelection == wxNOT_FOUND )
852 selNew = 0;
853
854 if ( selNew != wxNOT_FOUND )
855 SetSelection(selNew);
856
857 InvalidateBestSize();
858
859 return true;
860 }
861
862 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
863 {
864 TC_HITTESTINFO hitTestInfo;
865 hitTestInfo.pt.x = pt.x;
866 hitTestInfo.pt.y = pt.y;
867 int item = TabCtrl_HitTest(GetHwnd(), &hitTestInfo);
868
869 if ( flags )
870 {
871 *flags = 0;
872
873 if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
874 *flags |= wxBK_HITTEST_NOWHERE;
875 if ((hitTestInfo.flags & TCHT_ONITEM) == TCHT_ONITEM)
876 *flags |= wxBK_HITTEST_ONITEM;
877 if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
878 *flags |= wxBK_HITTEST_ONICON;
879 if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
880 *flags |= wxBK_HITTEST_ONLABEL;
881 if ( item == wxNOT_FOUND && GetPageSize().Contains(pt) )
882 *flags |= wxBK_HITTEST_ONPAGE;
883 }
884
885 return item;
886 }
887
888 // ----------------------------------------------------------------------------
889 // flicker-less notebook redraw
890 // ----------------------------------------------------------------------------
891
892 #if USE_NOTEBOOK_ANTIFLICKER
893
894 // wnd proc for the spin button
895 LRESULT APIENTRY _EXPORT wxNotebookSpinBtnWndProc(HWND hwnd,
896 UINT message,
897 WPARAM wParam,
898 LPARAM lParam)
899 {
900 if ( message == WM_ERASEBKGND )
901 return 0;
902
903 return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebookSpinBtn,
904 hwnd, message, wParam, lParam);
905 }
906
907 LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
908 UINT message,
909 WPARAM wParam,
910 LPARAM lParam)
911 {
912 return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebook,
913 hwnd, message, wParam, lParam);
914 }
915
916 void wxNotebook::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
917 {
918 // do nothing here
919 }
920
921 void wxNotebook::OnPaint(wxPaintEvent& WXUNUSED(event))
922 {
923 wxPaintDC dc(this);
924 wxMemoryDC memdc;
925 RECT rc;
926 ::GetClientRect(GetHwnd(), &rc);
927 wxBitmap bmp(rc.right, rc.bottom);
928 memdc.SelectObject(bmp);
929
930 const wxLayoutDirection dir = dc.GetLayoutDirection();
931 memdc.SetLayoutDirection(dir);
932
933 // if there is no special brush just use the solid background colour
934 #if wxUSE_UXTHEME
935 HBRUSH hbr = (HBRUSH)m_hbrBackground;
936 #else
937 HBRUSH hbr = 0;
938 #endif
939 wxBrush brush;
940 if ( !hbr )
941 {
942 brush = wxBrush(GetBackgroundColour());
943 hbr = GetHbrushOf(brush);
944 }
945
946 wxMSWDCImpl *impl = (wxMSWDCImpl*) memdc.GetImpl();
947
948 ::FillRect(GetHdcOf(*impl), &rc, hbr);
949
950 MSWDefWindowProc(WM_PAINT, (WPARAM)(impl->GetHDC()), 0);
951
952 // For some reason in RTL mode, source offset has to be -1, otherwise the
953 // right border (physical) remains unpainted.
954 const wxCoord ofs = dir == wxLayout_RightToLeft ? -1 : 0;
955 dc.Blit(ofs, 0, rc.right, rc.bottom, &memdc, ofs, 0);
956 }
957
958 #endif // USE_NOTEBOOK_ANTIFLICKER
959
960 // ----------------------------------------------------------------------------
961 // wxNotebook callbacks
962 // ----------------------------------------------------------------------------
963
964 void wxNotebook::OnSize(wxSizeEvent& event)
965 {
966 if ( GetPageCount() == 0 )
967 {
968 // Prevents droppings on resize, but does cause some flicker
969 // when there are no pages.
970 Refresh();
971 event.Skip();
972 return;
973 }
974 #ifndef __WXWINCE__
975 else
976 {
977 // Without this, we can sometimes get droppings at the edges
978 // of a notebook, for example a notebook in a splitter window.
979 // This needs to be reconciled with the RefreshRect calls
980 // at the end of this function, which weren't enough to prevent
981 // the droppings.
982
983 wxSize sz = GetClientSize();
984
985 // Refresh right side
986 wxRect rect(sz.x-4, 0, 4, sz.y);
987 RefreshRect(rect);
988
989 // Refresh bottom side
990 rect = wxRect(0, sz.y-4, sz.x, 4);
991 RefreshRect(rect);
992
993 // Refresh left side
994 rect = wxRect(0, 0, 4, sz.y);
995 RefreshRect(rect);
996 }
997 #endif // !__WXWINCE__
998
999 // fit all the notebook pages to the tab control's display area
1000
1001 RECT rc;
1002 rc.left = rc.top = 0;
1003 GetSize((int *)&rc.right, (int *)&rc.bottom);
1004
1005 // save the total size, we'll use it below
1006 int widthNbook = rc.right - rc.left,
1007 heightNbook = rc.bottom - rc.top;
1008
1009 // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
1010 // returns completely false values for multiline tab controls after the tabs
1011 // are added but before getting the first WM_SIZE (off by ~50 pixels, see
1012 //
1013 // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
1014 //
1015 // and the only work around I could find was this ugly hack... without it
1016 // simply toggling the "multiline" checkbox in the notebook sample resulted
1017 // in a noticeable page displacement
1018 if ( HasFlag(wxNB_MULTILINE) )
1019 {
1020 // avoid an infinite recursion: we get another notification too!
1021 static bool s_isInOnSize = false;
1022
1023 if ( !s_isInOnSize )
1024 {
1025 s_isInOnSize = true;
1026 SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
1027 MAKELPARAM(rc.right, rc.bottom));
1028 s_isInOnSize = false;
1029 }
1030
1031 // The best size depends on the number of rows of tabs, which can
1032 // change when the notepad is resized.
1033 InvalidateBestSize();
1034 }
1035
1036 #if wxUSE_UXTHEME
1037 // background bitmap size has changed, update the brush using it too
1038 UpdateBgBrush();
1039 #endif // wxUSE_UXTHEME
1040
1041 TabCtrl_AdjustRect(GetHwnd(), false, &rc);
1042
1043 int width = rc.right - rc.left,
1044 height = rc.bottom - rc.top;
1045 size_t nCount = m_pages.Count();
1046 for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
1047 wxNotebookPage *pPage = m_pages[nPage];
1048 pPage->SetSize(rc.left, rc.top, width, height);
1049 }
1050
1051
1052 // unless we had already repainted everything, we now need to refresh
1053 if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
1054 {
1055 // invalidate areas not covered by pages
1056 RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
1057 RefreshRect(wxRect(0, rc.top, rc.left, height), false);
1058 RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
1059 false);
1060 RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.right, height),
1061 false);
1062 }
1063
1064 #if USE_NOTEBOOK_ANTIFLICKER
1065 // subclass the spin control used by the notebook to scroll pages to
1066 // prevent it from flickering on resize
1067 if ( !m_hasSubclassedUpdown )
1068 {
1069 // iterate over all child windows to find spin button
1070 for ( HWND child = ::GetWindow(GetHwnd(), GW_CHILD);
1071 child;
1072 child = ::GetWindow(child, GW_HWNDNEXT) )
1073 {
1074 wxWindow *childWindow = wxFindWinFromHandle((WXHWND)child);
1075
1076 // see if it exists, if no wxWindow found then assume it's the spin
1077 // btn
1078 if ( !childWindow )
1079 {
1080 // subclass the spin button to override WM_ERASEBKGND
1081 if ( !gs_wndprocNotebookSpinBtn )
1082 gs_wndprocNotebookSpinBtn = (WXFARPROC)wxGetWindowProc(child);
1083
1084 wxSetWindowProc(child, wxNotebookSpinBtnWndProc);
1085 m_hasSubclassedUpdown = true;
1086 break;
1087 }
1088 }
1089 }
1090 #endif // USE_NOTEBOOK_ANTIFLICKER
1091
1092 event.Skip();
1093 }
1094
1095 void wxNotebook::OnSelChange(wxBookCtrlEvent& event)
1096 {
1097 // is it our tab control?
1098 if ( event.GetEventObject() == this )
1099 {
1100 UpdateSelection(event.GetSelection());
1101 }
1102
1103 // we want to give others a chance to process this message as well
1104 event.Skip();
1105 }
1106
1107 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
1108 {
1109 if ( event.IsWindowChange() ) {
1110 // change pages
1111 AdvanceSelection(event.GetDirection());
1112 }
1113 else {
1114 // we get this event in 3 cases
1115 //
1116 // a) one of our pages might have generated it because the user TABbed
1117 // out from it in which case we should propagate the event upwards and
1118 // our parent will take care of setting the focus to prev/next sibling
1119 //
1120 // or
1121 //
1122 // b) the parent panel wants to give the focus to us so that we
1123 // forward it to our selected page. We can't deal with this in
1124 // OnSetFocus() because we don't know which direction the focus came
1125 // from in this case and so can't choose between setting the focus to
1126 // first or last panel child
1127 //
1128 // or
1129 //
1130 // c) we ourselves (see MSWTranslateMessage) generated the event
1131 //
1132 wxWindow * const parent = GetParent();
1133
1134 // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
1135 const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
1136 const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
1137 const bool isForward = event.GetDirection();
1138
1139 if ( isFromSelf && !isForward )
1140 {
1141 // focus is currently on notebook tab and should leave
1142 // it backwards (Shift-TAB)
1143 event.SetCurrentFocus(this);
1144 parent->HandleWindowEvent(event);
1145 }
1146 else if ( isFromParent || isFromSelf )
1147 {
1148 // no, it doesn't come from child, case (b) or (c): forward to a
1149 // page but only if entering notebook page (i.e. direction is
1150 // backwards (Shift-TAB) comething from out-of-notebook, or
1151 // direction is forward (TAB) from ourselves),
1152 if ( m_nSelection != wxNOT_FOUND &&
1153 (!event.GetDirection() || isFromSelf) )
1154 {
1155 // so that the page knows that the event comes from it's parent
1156 // and is being propagated downwards
1157 event.SetEventObject(this);
1158
1159 wxWindow *page = m_pages[m_nSelection];
1160 if ( !page->HandleWindowEvent(event) )
1161 {
1162 page->SetFocus();
1163 }
1164 //else: page manages focus inside it itself
1165 }
1166 else // otherwise set the focus to the notebook itself
1167 {
1168 SetFocus();
1169 }
1170 }
1171 else
1172 {
1173 // it comes from our child, case (a), pass to the parent, but only
1174 // if the direction is forwards. Otherwise set the focus to the
1175 // notebook itself. The notebook is always the 'first' control of a
1176 // page.
1177 if ( !isForward )
1178 {
1179 SetFocus();
1180 }
1181 else if ( parent )
1182 {
1183 event.SetCurrentFocus(this);
1184 parent->HandleWindowEvent(event);
1185 }
1186 }
1187 }
1188 }
1189
1190 #if wxUSE_UXTHEME
1191
1192 bool wxNotebook::DoDrawBackground(WXHDC hDC, wxWindow *child)
1193 {
1194 wxUxThemeHandle theme(child ? child : this, L"TAB");
1195 if ( !theme )
1196 return false;
1197
1198 // get the notebook client rect (we're not interested in drawing tabs
1199 // themselves)
1200 wxRect r = GetPageSize();
1201 if ( r.IsEmpty() )
1202 return false;
1203
1204 RECT rc;
1205 wxCopyRectToRECT(r, rc);
1206
1207 // map rect to the coords of the window we're drawing in
1208 if ( child )
1209 ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1210
1211 // we have the content area (page size), but we need to draw all of the
1212 // background for it to be aligned correctly
1213 wxUxThemeEngine::Get()->GetThemeBackgroundExtent
1214 (
1215 theme,
1216 (HDC) hDC,
1217 9 /* TABP_PANE */,
1218 0,
1219 &rc,
1220 &rc
1221 );
1222 wxUxThemeEngine::Get()->DrawThemeBackground
1223 (
1224 theme,
1225 (HDC) hDC,
1226 9 /* TABP_PANE */,
1227 0,
1228 &rc,
1229 NULL
1230 );
1231
1232 return true;
1233 }
1234
1235 WXHBRUSH wxNotebook::QueryBgBitmap()
1236 {
1237 wxRect r = GetPageSize();
1238 if ( r.IsEmpty() )
1239 return 0;
1240
1241 WindowHDC hDC(GetHwnd());
1242 MemoryHDC hDCMem(hDC);
1243 CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);
1244
1245 SelectInHDC selectBmp(hDCMem, hBmp);
1246
1247 if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
1248 return 0;
1249
1250 return (WXHBRUSH)::CreatePatternBrush(hBmp);
1251 }
1252
1253 void wxNotebook::UpdateBgBrush()
1254 {
1255 if ( m_hbrBackground )
1256 ::DeleteObject((HBRUSH)m_hbrBackground);
1257
1258 if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
1259 {
1260 m_hbrBackground = QueryBgBitmap();
1261 }
1262 else // no themes or we've got user-defined solid colour
1263 {
1264 m_hbrBackground = NULL;
1265 }
1266 }
1267
1268 WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, wxWindow *child)
1269 {
1270 if ( m_hbrBackground )
1271 {
1272 // before drawing with the background brush, we need to position it
1273 // correctly
1274 RECT rc;
1275 ::GetWindowRect(GetHwndOf(child), &rc);
1276
1277 ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
1278
1279 if ( !::SetBrushOrgEx((HDC)hDC, -rc.left, -rc.top, NULL) )
1280 {
1281 wxLogLastError(wxT("SetBrushOrgEx(notebook bg brush)"));
1282 }
1283
1284 return m_hbrBackground;
1285 }
1286
1287 return wxNotebookBase::MSWGetBgBrushForChild(hDC, child);
1288 }
1289
1290 bool wxNotebook::MSWPrintChild(WXHDC hDC, wxWindow *child)
1291 {
1292 // solid background colour overrides themed background drawing
1293 if ( !UseBgCol() && DoDrawBackground(hDC, child) )
1294 return true;
1295
1296 // If we're using a solid colour (for example if we've switched off
1297 // theming for this notebook), paint it
1298 if (UseBgCol())
1299 {
1300 wxRect r = GetPageSize();
1301 if ( r.IsEmpty() )
1302 return false;
1303
1304 RECT rc;
1305 wxCopyRectToRECT(r, rc);
1306
1307 // map rect to the coords of the window we're drawing in
1308 if ( child )
1309 ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1310
1311 wxBrush brush(GetBackgroundColour());
1312 HBRUSH hbr = GetHbrushOf(brush);
1313
1314 ::FillRect((HDC) hDC, &rc, hbr);
1315
1316 return true;
1317 }
1318
1319 return wxNotebookBase::MSWPrintChild(hDC, child);
1320 }
1321
1322 #endif // wxUSE_UXTHEME
1323
1324 // Windows only: attempts to get colour for UX theme page background
1325 wxColour wxNotebook::GetThemeBackgroundColour() const
1326 {
1327 #if wxUSE_UXTHEME
1328 if (wxUxThemeEngine::Get())
1329 {
1330 wxUxThemeHandle hTheme((wxNotebook*) this, L"TAB");
1331 if (hTheme)
1332 {
1333 // This is total guesswork.
1334 // See PlatformSDK\Include\Tmschema.h for values.
1335 // JACS: can also use 9 (TABP_PANE)
1336 COLORREF themeColor;
1337 bool success = (S_OK == wxUxThemeEngine::Get()->GetThemeColor(
1338 hTheme,
1339 10 /* TABP_BODY */,
1340 1 /* NORMAL */,
1341 3821 /* FILLCOLORHINT */,
1342 &themeColor));
1343 if (!success)
1344 return GetBackgroundColour();
1345
1346 /*
1347 [DS] Workaround for WindowBlinds:
1348 Some themes return a near black theme color using FILLCOLORHINT,
1349 this makes notebook pages have an ugly black background and makes
1350 text (usually black) unreadable. Retry again with FILLCOLOR.
1351
1352 This workaround potentially breaks appearance of some themes,
1353 but in practice it already fixes some themes.
1354 */
1355 if (themeColor == 1)
1356 {
1357 wxUxThemeEngine::Get()->GetThemeColor(
1358 hTheme,
1359 10 /* TABP_BODY */,
1360 1 /* NORMAL */,
1361 3802 /* FILLCOLOR */,
1362 &themeColor);
1363 }
1364
1365 wxColour colour = wxRGBToColour(themeColor);
1366
1367 // Under Vista, the tab background colour is reported incorrectly.
1368 // So for the default theme at least, hard-code the colour to something
1369 // that will blend in.
1370
1371 static int s_AeroStatus = -1;
1372 if (s_AeroStatus == -1)
1373 {
1374 WCHAR szwThemeFile[1024];
1375 WCHAR szwThemeColor[256];
1376 if (S_OK == wxUxThemeEngine::Get()->GetCurrentThemeName(szwThemeFile, 1024, szwThemeColor, 256, NULL, 0))
1377 {
1378 wxString themeFile(szwThemeFile), themeColor(szwThemeColor);
1379 if (themeFile.Find(wxT("Aero")) != -1 && themeColor == wxT("NormalColor"))
1380 s_AeroStatus = 1;
1381 else
1382 s_AeroStatus = 0;
1383 }
1384 else
1385 s_AeroStatus = 0;
1386 }
1387
1388 if (s_AeroStatus == 1)
1389 colour = wxColour(255, 255, 255);
1390
1391 return colour;
1392 }
1393 }
1394 #endif // wxUSE_UXTHEME
1395
1396 return GetBackgroundColour();
1397 }
1398
1399 // ----------------------------------------------------------------------------
1400 // wxNotebook base class virtuals
1401 // ----------------------------------------------------------------------------
1402
1403 #if wxUSE_CONSTRAINTS
1404
1405 // override these 2 functions to do nothing: everything is done in OnSize
1406
1407 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
1408 {
1409 // don't set the sizes of the pages - their correct size is not yet known
1410 wxControl::SetConstraintSizes(false);
1411 }
1412
1413 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
1414 {
1415 return true;
1416 }
1417
1418 #endif // wxUSE_CONSTRAINTS
1419
1420 // ----------------------------------------------------------------------------
1421 // wxNotebook Windows message handlers
1422 // ----------------------------------------------------------------------------
1423
1424 bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
1425 WXWORD pos, WXHWND control)
1426 {
1427 // don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
1428 // up-down control
1429 if ( control )
1430 return false;
1431
1432 return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
1433 }
1434
1435 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
1436 {
1437 wxBookCtrlEvent event(wxEVT_NULL, m_windowId);
1438
1439 NMHDR* hdr = (NMHDR *)lParam;
1440 switch ( hdr->code ) {
1441 case TCN_SELCHANGE:
1442 event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
1443 break;
1444
1445 case TCN_SELCHANGING:
1446 event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
1447 break;
1448
1449 default:
1450 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1451 }
1452
1453 event.SetSelection(TabCtrl_GetCurSel(GetHwnd()));
1454 event.SetOldSelection(m_nSelection);
1455 event.SetEventObject(this);
1456 event.SetInt(idCtrl);
1457
1458 bool processed = HandleWindowEvent(event);
1459 *result = !event.IsAllowed();
1460 return processed;
1461 }
1462
1463 #endif // wxUSE_NOTEBOOK