src/mac/carbon/notebmac.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/notebmac.cpp
   3 // Purpose:     implementation of wxNotebook
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_NOTEBOOK
  15
  16 #include "wx/notebook.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/string.h"
  20     #include "wx/log.h"
  21     #include "wx/app.h"
  22     #include "wx/image.h"
  23 #endif
  24
  25 #include "wx/string.h"
  26 #include "wx/imaglist.h"
  27 #include "wx/mac/uma.h"
  28
  29
  30 // check that the page index is valid
  31 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  32
  33
  34 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  35 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  36
  37 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  38     EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
  39
  40     EVT_SIZE(wxNotebook::OnSize)
  41     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  42     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  43 END_EVENT_TABLE()
  44
  45 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  46 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  47
  48
  49 // common part of all ctors
  50 void wxNotebook::Init()
  51 {
  52     m_nSelection = -1;
  53 }
  54
  55 // default for dynamic class
  56 wxNotebook::wxNotebook()
  57 {
  58     Init();
  59 }
  60
  61 // the same arguments as for wxControl
  62 wxNotebook::wxNotebook( wxWindow *parent,
  63     wxWindowID id,
  64     const wxPoint& pos,
  65     const wxSize& size,
  66     long style,
  67     const wxString& name )
  68 {
  69     Init();
  70
  71     Create( parent, id, pos, size, style, name );
  72 }
  73
  74 bool wxNotebook::Create( wxWindow *parent,
  75     wxWindowID id,
  76     const wxPoint& pos,
  77     const wxSize& size,
  78     long style,
  79     const wxString& name )
  80 {
  81     m_macIsUserPane = false ;
  82
  83     if (! (style & wxBK_ALIGN_MASK))
  84         style |= wxBK_TOP;
  85
  86     if ( !wxNotebookBase::Create( parent, id, pos, size, style, name ) )
  87         return false;
  88
  89     Rect bounds = wxMacGetBoundsForControl( this, pos, size );
  90
  91     if ( bounds.right <= bounds.left )
  92         bounds.right = bounds.left + 100;
  93     if ( bounds.bottom <= bounds.top )
  94         bounds.bottom = bounds.top + 100;
  95
  96     UInt16 tabstyle = kControlTabDirectionNorth;
  97     if ( HasFlag(wxBK_LEFT) )
  98         tabstyle = kControlTabDirectionWest;
  99     else if ( HasFlag( wxBK_RIGHT ) )
 100         tabstyle = kControlTabDirectionEast;
 101     else if ( HasFlag( wxBK_BOTTOM ) )
 102         tabstyle = kControlTabDirectionSouth;
 103
 104     ControlTabSize tabsize;
 105     switch (GetWindowVariant())
 106     {
 107         case wxWINDOW_VARIANT_MINI:
 108             if ( UMAGetSystemVersion() >= 0x1030 )
 109                 tabsize = 3 ;
 110             else
 111                 tabsize = kControlSizeSmall;
 112             break;
 113
 114         case wxWINDOW_VARIANT_SMALL:
 115             tabsize = kControlTabSizeSmall;
 116             break;
 117
 118         default:
 119             tabsize = kControlTabSizeLarge;
 120             break;
 121     }
 122
 123     m_peer = new wxMacControl( this );
 124     OSStatus err = CreateTabsControl(
 125         MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds,
 126         tabsize, tabstyle, 0, NULL, m_peer->GetControlRefAddr() );
 127     verify_noerr( err );
 128
 129     MacPostControlCreate( pos, size );
 130
 131     return true ;
 132 }
 133
 134 // dtor
 135 wxNotebook::~wxNotebook()
 136 {
 137 }
 138
 139 // ----------------------------------------------------------------------------
 140 // wxNotebook accessors
 141 // ----------------------------------------------------------------------------
 142
 143 void wxNotebook::SetPadding(const wxSize& WXUNUSED(padding))
 144 {
 145     // unsupported by OS
 146 }
 147
 148 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 149 {
 150     // unsupported by OS
 151 }
 152
 153 void wxNotebook::SetPageSize(const wxSize& size)
 154 {
 155     SetSize( CalcSizeFromPage( size ) );
 156 }
 157
 158 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 159 {
 160     return DoGetSizeFromClientSize( sizePage );
 161 }
 162
 163 int wxNotebook::DoSetSelection(size_t nPage, int flags)
 164 {
 165     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("DoSetSelection: invalid notebook page") );
 166
 167     if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
 168     {
 169         if ( flags & SetSelection_SendEvent )
 170         {
 171             if ( !SendPageChangingEvent(nPage) )
 172             {
 173                 // vetoed by program
 174                 return m_nSelection;
 175             }
 176             //else: program allows the page change
 177
 178             SendPageChangedEvent(m_nSelection, nPage);
 179         }
 180
 181         ChangePage(m_nSelection, nPage);
 182     }
 183     //else: no change
 184
 185     return m_nSelection;
 186 }
 187
 188 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 189 {
 190     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("SetPageText: invalid notebook page") );
 191
 192     wxNotebookPage *page = m_pages[nPage];
 193     page->SetLabel(strText);
 194     MacSetupTabs();
 195
 196     return true;
 197 }
 198
 199 wxString wxNotebook::GetPageText(size_t nPage) const
 200 {
 201     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("GetPageText: invalid notebook page") );
 202
 203     wxNotebookPage *page = m_pages[nPage];
 204
 205     return page->GetLabel();
 206 }
 207
 208 int wxNotebook::GetPageImage(size_t nPage) const
 209 {
 210     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("GetPageImage: invalid notebook page") );
 211
 212     return m_images[nPage];
 213 }
 214
 215 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 216 {
 217     wxCHECK_MSG( IS_VALID_PAGE(nPage), false,
 218         wxT("SetPageImage: invalid notebook page") );
 219     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), false,
 220         wxT("SetPageImage: invalid image index") );
 221
 222     if ( nImage != m_images[nPage] )
 223     {
 224         // if the item didn't have an icon before or, on the contrary, did have
 225         // it but has lost it now, its size will change - but if the icon just
 226         // changes, it won't
 227         m_images[nPage] = nImage;
 228
 229         MacSetupTabs() ;
 230     }
 231
 232     return true;
 233 }
 234
 235 // ----------------------------------------------------------------------------
 236 // wxNotebook operations
 237 // ----------------------------------------------------------------------------
 238
 239 // remove one page from the notebook, without deleting the window
 240 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 241 {
 242     wxCHECK_MSG( IS_VALID_PAGE(nPage), NULL,
 243         wxT("DoRemovePage: invalid notebook page") );
 244
 245     wxNotebookPage* page = m_pages[nPage] ;
 246     m_pages.RemoveAt(nPage);
 247
 248     MacSetupTabs();
 249
 250     if (m_nSelection >= (int)GetPageCount())
 251         m_nSelection = GetPageCount() - 1;
 252
 253     if (m_nSelection >= 0)
 254         m_pages[m_nSelection]->Show(true);
 255
 256     InvalidateBestSize();
 257
 258     return page;
 259 }
 260
 261 // remove all pages
 262 bool wxNotebook::DeleteAllPages()
 263 {
 264     WX_CLEAR_ARRAY(m_pages) ;
 265     MacSetupTabs();
 266     m_nSelection = -1 ;
 267     InvalidateBestSize();
 268
 269     return true;
 270 }
 271
 272 // same as AddPage() but does it at given position
 273 bool wxNotebook::InsertPage(size_t nPage,
 274     wxNotebookPage *pPage,
 275     const wxString& strText,
 276     bool bSelect,
 277     int imageId )
 278 {
 279     if ( !wxNotebookBase::InsertPage( nPage, pPage, strText, bSelect, imageId ) )
 280         return false;
 281
 282     wxASSERT_MSG( pPage->GetParent() == this, wxT("notebook pages must have notebook as parent") );
 283
 284     // don't show pages by default (we'll need to adjust their size first)
 285     pPage->Show( false ) ;
 286
 287     pPage->SetLabel( strText );
 288
 289     m_images.Insert( imageId, nPage );
 290
 291     MacSetupTabs();
 292
 293     wxRect rect = GetPageRect() ;
 294     pPage->SetSize( rect );
 295     if ( pPage->GetAutoLayout() )
 296         pPage->Layout();
 297
 298     // now deal with the selection
 299     // ---------------------------
 300
 301     // if the inserted page is before the selected one, we must update the
 302     // index of the selected page
 303
 304     if ( int(nPage) <= m_nSelection )
 305     {
 306         m_nSelection++;
 307
 308         // while this still is the same page showing, we need to update the tabs
 309         m_peer->SetValue( m_nSelection + 1 ) ;
 310     }
 311
 312     // some page should be selected: either this one or the first one if there
 313     // is still no selection
 314     int selNew = -1;
 315     if ( bSelect )
 316         selNew = nPage;
 317     else if ( m_nSelection == -1 )
 318         selNew = 0;
 319
 320     if ( selNew != -1 )
 321         SetSelection( selNew );
 322
 323     InvalidateBestSize();
 324
 325     return true;
 326 }
 327
 328 int wxNotebook::HitTest(const wxPoint& pt, long * flags) const
 329 {
 330     int resultV = wxNOT_FOUND;
 331
 332 #if TARGET_API_MAC_OSX
 333     const int countPages = GetPageCount();
 334
 335     // we have to convert from Client to Window relative coordinates
 336     wxPoint adjustedPt = pt + GetClientAreaOrigin();
 337     // and now to HIView native ones
 338     adjustedPt.x -= MacGetLeftBorderSize() ;
 339     adjustedPt.y -= MacGetTopBorderSize() ;
 340
 341     HIPoint hipoint= { adjustedPt.x , adjustedPt.y } ;
 342     HIViewPartCode outPart = 0 ;
 343     OSStatus err = HIViewGetPartHit( m_peer->GetControlRef(), &hipoint, &outPart );
 344
 345     int max = m_peer->GetMaximum() ;
 346     if ( outPart == 0 && max > 0 )
 347     {
 348         // this is a hack, as unfortunately a hit on an already selected tab returns 0,
 349         // so we have to go some extra miles to make sure we select something different
 350         // and try again ..
 351         int val = m_peer->GetValue() ;
 352         int maxval = max ;
 353         if ( max == 1 )
 354         {
 355             m_peer->SetMaximum( 2 ) ;
 356             maxval = 2 ;
 357         }
 358
 359         if ( val == 1 )
 360             m_peer->SetValue( maxval ) ;
 361         else
 362              m_peer->SetValue( 1 ) ;
 363
 364         err = HIViewGetPartHit( m_peer->GetControlRef(), &hipoint, &outPart );
 365
 366         m_peer->SetValue( val ) ;
 367         if ( max == 1 )
 368             m_peer->SetMaximum( 1 ) ;
 369     }
 370
 371     if ( outPart >= 1 && outPart <= countPages )
 372         resultV = outPart - 1 ;
 373 #endif // TARGET_API_MAC_OSX
 374
 375     if (flags != NULL)
 376     {
 377         *flags = 0;
 378
 379         // we cannot differentiate better
 380         if (resultV >= 0)
 381             *flags |= wxBK_HITTEST_ONLABEL;
 382         else
 383             *flags |= wxBK_HITTEST_NOWHERE;
 384     }
 385
 386     return resultV;
 387 }
 388
 389 // Added by Mark Newsam
 390 // When a page is added or deleted to the notebook this function updates
 391 // information held in the control so that it matches the order
 392 // the user would expect.
 393 //
 394 void wxNotebook::MacSetupTabs()
 395 {
 396     m_peer->SetMaximum( GetPageCount() ) ;
 397
 398     wxNotebookPage *page;
 399     ControlTabInfoRecV1 info;
 400
 401     const size_t countPages = GetPageCount();
 402     for (size_t ii = 0; ii < countPages; ii++)
 403     {
 404         page = m_pages[ii];
 405         info.version = kControlTabInfoVersionOne;
 406         info.iconSuiteID = 0;
 407         wxMacCFStringHolder cflabel( page->GetLabel(), m_font.GetEncoding() ) ;
 408         info.name = cflabel ;
 409         m_peer->SetData<ControlTabInfoRecV1>( ii + 1, kControlTabInfoTag, &info ) ;
 410
 411         if ( GetImageList() && GetPageImage(ii) >= 0 && UMAGetSystemVersion() >= 0x1020 )
 412         {
 413             const wxBitmap bmap = GetImageList()->GetBitmap( GetPageImage( ii ) ) ;
 414             if ( bmap.Ok() )
 415             {
 416                 ControlButtonContentInfo info ;
 417
 418                 wxMacCreateBitmapButton( &info, bmap ) ;
 419
 420                 OSStatus err = m_peer->SetData<ControlButtonContentInfo>( ii + 1, kControlTabImageContentTag, &info );
 421                 wxASSERT_MSG( err == noErr , wxT("Error when setting icon on tab") ) ;
 422
 423                 wxMacReleaseBitmapButton( &info ) ;
 424             }
 425         }
 426
 427         m_peer->SetTabEnabled( ii + 1, true ) ;
 428     }
 429
 430 #if wxMAC_USE_CORE_GRAPHICS
 431     Refresh();
 432 #else
 433     Rect bounds;
 434     m_peer->GetRectInWindowCoords( &bounds ) ;
 435     InvalWindowRect( (WindowRef)MacGetTopLevelWindowRef(), &bounds );
 436 #endif
 437 }
 438
 439 wxRect wxNotebook::GetPageRect() const
 440 {
 441     wxSize size = GetClientSize() ;
 442
 443     return wxRect( 0 , 0 , size.x , size.y ) ;
 444 }
 445
 446 // ----------------------------------------------------------------------------
 447 // wxNotebook callbacks
 448 // ----------------------------------------------------------------------------
 449
 450 // @@@ OnSize() is used for setting the font when it's called for the first
 451 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 452 void wxNotebook::OnSize(wxSizeEvent& event)
 453 {
 454     unsigned int nCount = m_pages.Count();
 455     wxRect rect = GetPageRect() ;
 456
 457     for ( unsigned int nPage = 0; nPage < nCount; nPage++ )
 458     {
 459         wxNotebookPage *pPage = m_pages[nPage];
 460         pPage->SetSize(rect);
 461         if ( pPage->GetAutoLayout() )
 462             pPage->Layout();
 463     }
 464
 465     // Processing continues to next OnSize
 466     event.Skip();
 467 }
 468
 469 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 470 {
 471     // is it our tab control?
 472     if ( event.GetEventObject() == this )
 473         ChangePage(event.GetOldSelection(), event.GetSelection());
 474
 475     // we want to give others a chance to process this message as well
 476     event.Skip();
 477 }
 478
 479 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 480 {
 481     // set focus to the currently selected page if any
 482     if ( m_nSelection != -1 )
 483         m_pages[m_nSelection]->SetFocus();
 484
 485     event.Skip();
 486 }
 487
 488 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 489 {
 490     if ( event.IsWindowChange() )
 491     {
 492         // change pages
 493         AdvanceSelection( event.GetDirection() );
 494     }
 495     else
 496     {
 497         // we get this event in 2 cases
 498         //
 499         // a) one of our pages might have generated it because the user TABbed
 500         // out from it in which case we should propagate the event upwards and
 501         // our parent will take care of setting the focus to prev/next sibling
 502         //
 503         // or
 504         //
 505         // b) the parent panel wants to give the focus to us so that we
 506         // forward it to our selected page. We can't deal with this in
 507         // OnSetFocus() because we don't know which direction the focus came
 508         // from in this case and so can't choose between setting the focus to
 509         // first or last panel child
 510         wxWindow *parent = GetParent();
 511
 512         // the cast is here to fix a GCC ICE
 513         if ( ((wxWindow*)event.GetEventObject()) == parent )
 514         {
 515             // no, it doesn't come from child, case (b): forward to a page
 516             if ( m_nSelection != -1 )
 517             {
 518                 // so that the page knows that the event comes from it's parent
 519                 // and is being propagated downwards
 520                 event.SetEventObject( this );
 521
 522                 wxWindow *page = m_pages[m_nSelection];
 523                 if ( !page->GetEventHandler()->ProcessEvent( event ) )
 524                 {
 525                     page->SetFocus();
 526                 }
 527                 //else: page manages focus inside it itself
 528             }
 529             else
 530             {
 531                 // we have no pages - still have to give focus to _something_
 532                 SetFocus();
 533             }
 534         }
 535         else
 536         {
 537             // it comes from our child, case (a), pass to the parent
 538             if ( parent )
 539             {
 540                 event.SetCurrentFocus( this );
 541                 parent->GetEventHandler()->ProcessEvent( event );
 542             }
 543         }
 544     }
 545 }
 546
 547 // ----------------------------------------------------------------------------
 548 // wxNotebook base class virtuals
 549 // ----------------------------------------------------------------------------
 550
 551 #if wxUSE_CONSTRAINTS
 552
 553 // override these 2 functions to do nothing: everything is done in OnSize
 554
 555 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 556 {
 557     // don't set the sizes of the pages - their correct size is not yet known
 558     wxControl::SetConstraintSizes( false );
 559 }
 560
 561 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 562 {
 563     return true;
 564 }
 565
 566 #endif // wxUSE_CONSTRAINTS
 567
 568 void wxNotebook::Command(wxCommandEvent& WXUNUSED(event))
 569 {
 570     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 571 }
 572
 573 // ----------------------------------------------------------------------------
 574 // wxNotebook helper functions
 575 // ----------------------------------------------------------------------------
 576
 577 // hide the currently active panel and show the new one
 578 void wxNotebook::ChangePage(int nOldSel, int nSel)
 579 {
 580     if (nOldSel == nSel)
 581         return;
 582
 583     if ( nOldSel != -1 )
 584         m_pages[nOldSel]->Show( false );
 585
 586     if ( nSel != -1 )
 587     {
 588         wxNotebookPage *pPage = m_pages[nSel];
 589         pPage->Show( true );
 590         pPage->SetFocus();
 591     }
 592
 593     m_nSelection = nSel;
 594     m_peer->SetValue( m_nSelection + 1 ) ;
 595 }
 596
 597 wxInt32 wxNotebook::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 598 {
 599     OSStatus status = eventNotHandledErr ;
 600
 601     SInt32 newSel = m_peer->GetValue() - 1 ;
 602     if ( newSel != m_nSelection )
 603     {
 604         wxNotebookEvent changing(
 605             wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 606             newSel , m_nSelection );
 607         changing.SetEventObject( this );
 608         GetEventHandler()->ProcessEvent( changing );
 609
 610         if ( changing.IsAllowed() )
 611         {
 612             wxNotebookEvent event(
 613                 wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 614                 newSel, m_nSelection );
 615             event.SetEventObject( this );
 616             GetEventHandler()->ProcessEvent( event );
 617         }
 618         else
 619         {
 620             m_peer->SetValue( m_nSelection + 1 ) ;
 621         }
 622
 623         status = noErr ;
 624     }
 625
 626     return (wxInt32)status ;
 627 }
 628
 629 #endif