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& padding)
 144 {
 145     // unsupported by OS
 146 }
 147
 148 void wxNotebook::SetTabSize(const wxSize& 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::SetSelection(size_t nPage)
 164 {
 165     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("SetSelection: invalid notebook page") );
 166
 167     if ( int(nPage) != m_nSelection )
 168     {
 169         wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
 170         event.SetSelection(nPage);
 171         event.SetOldSelection(m_nSelection);
 172         event.SetEventObject(this);
 173         if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
 174         {
 175             // program allows the page change
 176             event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
 177             (void)GetEventHandler()->ProcessEvent(event);
 178
 179             ChangePage(m_nSelection, nPage);
 180         }
 181     }
 182
 183     return m_nSelection;
 184 }
 185
 186 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 187 {
 188     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("SetPageText: invalid notebook page") );
 189
 190     wxNotebookPage *page = m_pages[nPage];
 191     page->SetLabel(strText);
 192     MacSetupTabs();
 193
 194     return true;
 195 }
 196
 197 wxString wxNotebook::GetPageText(size_t nPage) const
 198 {
 199     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("GetPageText: invalid notebook page") );
 200
 201     wxNotebookPage *page = m_pages[nPage];
 202
 203     return page->GetLabel();
 204 }
 205
 206 int wxNotebook::GetPageImage(size_t nPage) const
 207 {
 208     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("GetPageImage: invalid notebook page") );
 209
 210     return m_images[nPage];
 211 }
 212
 213 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 214 {
 215     wxCHECK_MSG( IS_VALID_PAGE(nPage), false,
 216         wxT("SetPageImage: invalid notebook page") );
 217     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), false,
 218         wxT("SetPageImage: invalid image index") );
 219
 220     if ( nImage != m_images[nPage] )
 221     {
 222         // if the item didn't have an icon before or, on the contrary, did have
 223         // it but has lost it now, its size will change - but if the icon just
 224         // changes, it won't
 225         m_images[nPage] = nImage;
 226
 227         MacSetupTabs() ;
 228     }
 229
 230     return true;
 231 }
 232
 233 // ----------------------------------------------------------------------------
 234 // wxNotebook operations
 235 // ----------------------------------------------------------------------------
 236
 237 // remove one page from the notebook, without deleting the window
 238 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 239 {
 240     wxCHECK_MSG( IS_VALID_PAGE(nPage), NULL,
 241         wxT("DoRemovePage: invalid notebook page") );
 242
 243     wxNotebookPage* page = m_pages[nPage] ;
 244     m_pages.RemoveAt(nPage);
 245
 246     MacSetupTabs();
 247
 248     if (m_nSelection >= (int)GetPageCount())
 249         m_nSelection = GetPageCount() - 1;
 250
 251     if (m_nSelection >= 0)
 252         m_pages[m_nSelection]->Show(true);
 253
 254     InvalidateBestSize();
 255
 256     return page;
 257 }
 258
 259 // remove all pages
 260 bool wxNotebook::DeleteAllPages()
 261 {
 262     WX_CLEAR_ARRAY(m_pages) ;
 263     MacSetupTabs();
 264     m_nSelection = -1 ;
 265     InvalidateBestSize();
 266
 267     return true;
 268 }
 269
 270 // same as AddPage() but does it at given position
 271 bool wxNotebook::InsertPage(size_t nPage,
 272     wxNotebookPage *pPage,
 273     const wxString& strText,
 274     bool bSelect,
 275     int imageId )
 276 {
 277     if ( !wxNotebookBase::InsertPage( nPage, pPage, strText, bSelect, imageId ) )
 278         return false;
 279
 280     wxASSERT_MSG( pPage->GetParent() == this, wxT("notebook pages must have notebook as parent") );
 281
 282     // don't show pages by default (we'll need to adjust their size first)
 283     pPage->Show( false ) ;
 284
 285     pPage->SetLabel( strText );
 286
 287     m_images.Insert( imageId, nPage );
 288
 289     MacSetupTabs();
 290
 291     wxRect rect = GetPageRect() ;
 292     pPage->SetSize( rect );
 293     if ( pPage->GetAutoLayout() )
 294         pPage->Layout();
 295
 296     // now deal with the selection
 297     // ---------------------------
 298
 299     // if the inserted page is before the selected one, we must update the
 300     // index of the selected page
 301
 302     if ( int(nPage) <= m_nSelection )
 303     {
 304         m_nSelection++;
 305
 306         // while this still is the same page showing, we need to update the tabs
 307         m_peer->SetValue( m_nSelection + 1 ) ;
 308     }
 309
 310     // some page should be selected: either this one or the first one if there
 311     // is still no selection
 312     int selNew = -1;
 313     if ( bSelect )
 314         selNew = nPage;
 315     else if ( m_nSelection == -1 )
 316         selNew = 0;
 317
 318     if ( selNew != -1 )
 319         SetSelection( selNew );
 320
 321     InvalidateBestSize();
 322
 323     return true;
 324 }
 325
 326 int wxNotebook::HitTest(const wxPoint& pt, long * flags) const
 327 {
 328     int resultV = wxNOT_FOUND;
 329
 330 #if TARGET_API_MAC_OSX
 331     const int countPages = GetPageCount();
 332
 333     // we have to convert from Client to Window relative coordinates
 334     wxPoint adjustedPt = pt + GetClientAreaOrigin();
 335     // and now to HIView native ones
 336     adjustedPt.x -= MacGetLeftBorderSize() ;
 337     adjustedPt.y -= MacGetTopBorderSize() ;
 338
 339     HIPoint hipoint= { adjustedPt.x , adjustedPt.y } ;
 340     HIViewPartCode outPart = 0 ;
 341     OSStatus err = HIViewGetPartHit( m_peer->GetControlRef(), &hipoint, &outPart );
 342
 343     int max = m_peer->GetMaximum() ;
 344     if ( outPart == 0 && max > 0 )
 345     {
 346         // this is a hack, as unfortunately a hit on an already selected tab returns 0,
 347         // so we have to go some extra miles to make sure we select something different
 348         // and try again ..
 349         int val = m_peer->GetValue() ;
 350         int maxval = max ;
 351         if ( max == 1 )
 352         {
 353             m_peer->SetMaximum( 2 ) ;
 354             maxval = 2 ;
 355         }
 356
 357         if ( val == 1 )
 358             m_peer->SetValue( maxval ) ;
 359         else
 360              m_peer->SetValue( 1 ) ;
 361
 362         err = HIViewGetPartHit( m_peer->GetControlRef(), &hipoint, &outPart );
 363
 364         m_peer->SetValue( val ) ;
 365         if ( max == 1 )
 366             m_peer->SetMaximum( 1 ) ;
 367     }
 368
 369     if ( outPart >= 1 && outPart <= countPages )
 370         resultV = outPart - 1 ;
 371 #endif // TARGET_API_MAC_OSX
 372
 373     if (flags != NULL)
 374     {
 375         *flags = 0;
 376
 377         // we cannot differentiate better
 378         if (resultV >= 0)
 379             *flags |= wxNB_HITTEST_ONLABEL;
 380         else
 381             *flags |= wxNB_HITTEST_NOWHERE;
 382     }
 383
 384     return resultV;
 385 }
 386
 387 // Added by Mark Newsam
 388 // When a page is added or deleted to the notebook this function updates
 389 // information held in the control so that it matches the order
 390 // the user would expect.
 391 //
 392 void wxNotebook::MacSetupTabs()
 393 {
 394     m_peer->SetMaximum( GetPageCount() ) ;
 395
 396     wxNotebookPage *page;
 397     ControlTabInfoRecV1 info;
 398
 399     const size_t countPages = GetPageCount();
 400     for (size_t ii = 0; ii < countPages; ii++)
 401     {
 402         page = m_pages[ii];
 403         info.version = kControlTabInfoVersionOne;
 404         info.iconSuiteID = 0;
 405         wxMacCFStringHolder cflabel( page->GetLabel(), m_font.GetEncoding() ) ;
 406         info.name = cflabel ;
 407         m_peer->SetData<ControlTabInfoRecV1>( ii + 1, kControlTabInfoTag, &info ) ;
 408
 409         if ( GetImageList() && GetPageImage(ii) >= 0 && UMAGetSystemVersion() >= 0x1020 )
 410         {
 411             const wxBitmap bmap = GetImageList()->GetBitmap( GetPageImage( ii ) ) ;
 412             if ( bmap.Ok() )
 413             {
 414                 ControlButtonContentInfo info ;
 415
 416                 wxMacCreateBitmapButton( &info, bmap ) ;
 417
 418                 OSStatus err = m_peer->SetData<ControlButtonContentInfo>( ii + 1, kControlTabImageContentTag, &info );
 419                 wxASSERT_MSG( err == noErr , wxT("Error when setting icon on tab") ) ;
 420
 421                 wxMacReleaseBitmapButton( &info ) ;
 422             }
 423         }
 424
 425         m_peer->SetTabEnabled( ii + 1, true ) ;
 426     }
 427
 428     Rect bounds;
 429     m_peer->GetRectInWindowCoords( &bounds ) ;
 430     InvalWindowRect( (WindowRef)MacGetTopLevelWindowRef(), &bounds );
 431 }
 432
 433 wxRect wxNotebook::GetPageRect() const
 434 {
 435     wxSize size = GetClientSize() ;
 436
 437     return wxRect( 0 , 0 , size.x , size.y ) ;
 438 }
 439
 440 // ----------------------------------------------------------------------------
 441 // wxNotebook callbacks
 442 // ----------------------------------------------------------------------------
 443
 444 // @@@ OnSize() is used for setting the font when it's called for the first
 445 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 446 void wxNotebook::OnSize(wxSizeEvent& event)
 447 {
 448     unsigned int nCount = m_pages.Count();
 449     wxRect rect = GetPageRect() ;
 450
 451     for ( unsigned int nPage = 0; nPage < nCount; nPage++ )
 452     {
 453         wxNotebookPage *pPage = m_pages[nPage];
 454         pPage->SetSize(rect);
 455         if ( pPage->GetAutoLayout() )
 456             pPage->Layout();
 457     }
 458
 459     // Processing continues to next OnSize
 460     event.Skip();
 461 }
 462
 463 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 464 {
 465     // is it our tab control?
 466     if ( event.GetEventObject() == this )
 467         ChangePage(event.GetOldSelection(), event.GetSelection());
 468
 469     // we want to give others a chance to process this message as well
 470     event.Skip();
 471 }
 472
 473 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 474 {
 475     // set focus to the currently selected page if any
 476     if ( m_nSelection != -1 )
 477         m_pages[m_nSelection]->SetFocus();
 478
 479     event.Skip();
 480 }
 481
 482 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 483 {
 484     if ( event.IsWindowChange() )
 485     {
 486         // change pages
 487         AdvanceSelection( event.GetDirection() );
 488     }
 489     else
 490     {
 491         // we get this event in 2 cases
 492         //
 493         // a) one of our pages might have generated it because the user TABbed
 494         // out from it in which case we should propagate the event upwards and
 495         // our parent will take care of setting the focus to prev/next sibling
 496         //
 497         // or
 498         //
 499         // b) the parent panel wants to give the focus to us so that we
 500         // forward it to our selected page. We can't deal with this in
 501         // OnSetFocus() because we don't know which direction the focus came
 502         // from in this case and so can't choose between setting the focus to
 503         // first or last panel child
 504         wxWindow *parent = GetParent();
 505
 506         // the cast is here to fix a GCC ICE
 507         if ( ((wxWindow*)event.GetEventObject()) == parent )
 508         {
 509             // no, it doesn't come from child, case (b): forward to a page
 510             if ( m_nSelection != -1 )
 511             {
 512                 // so that the page knows that the event comes from it's parent
 513                 // and is being propagated downwards
 514                 event.SetEventObject( this );
 515
 516                 wxWindow *page = m_pages[m_nSelection];
 517                 if ( !page->GetEventHandler()->ProcessEvent( event ) )
 518                 {
 519                     page->SetFocus();
 520                 }
 521                 //else: page manages focus inside it itself
 522             }
 523             else
 524             {
 525                 // we have no pages - still have to give focus to _something_
 526                 SetFocus();
 527             }
 528         }
 529         else
 530         {
 531             // it comes from our child, case (a), pass to the parent
 532             if ( parent )
 533             {
 534                 event.SetCurrentFocus( this );
 535                 parent->GetEventHandler()->ProcessEvent( event );
 536             }
 537         }
 538     }
 539 }
 540
 541 // ----------------------------------------------------------------------------
 542 // wxNotebook base class virtuals
 543 // ----------------------------------------------------------------------------
 544
 545 #if wxUSE_CONSTRAINTS
 546
 547 // override these 2 functions to do nothing: everything is done in OnSize
 548
 549 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 550 {
 551     // don't set the sizes of the pages - their correct size is not yet known
 552     wxControl::SetConstraintSizes( false );
 553 }
 554
 555 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 556 {
 557     return true;
 558 }
 559
 560 #endif // wxUSE_CONSTRAINTS
 561
 562 void wxNotebook::Command(wxCommandEvent& event)
 563 {
 564     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 565 }
 566
 567 // ----------------------------------------------------------------------------
 568 // wxNotebook helper functions
 569 // ----------------------------------------------------------------------------
 570
 571 // hide the currently active panel and show the new one
 572 void wxNotebook::ChangePage(int nOldSel, int nSel)
 573 {
 574     if (nOldSel == nSel)
 575         return;
 576
 577     if ( nOldSel != -1 )
 578         m_pages[nOldSel]->Show( false );
 579
 580     if ( nSel != -1 )
 581     {
 582         wxNotebookPage *pPage = m_pages[nSel];
 583         pPage->Show( true );
 584         pPage->SetFocus();
 585     }
 586
 587     m_nSelection = nSel;
 588     m_peer->SetValue( m_nSelection + 1 ) ;
 589 }
 590
 591 wxInt32 wxNotebook::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 592 {
 593     OSStatus status = eventNotHandledErr ;
 594
 595     SInt32 newSel = m_peer->GetValue() - 1 ;
 596     if ( newSel != m_nSelection )
 597     {
 598         wxNotebookEvent changing(
 599             wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 600             newSel , m_nSelection );
 601         changing.SetEventObject( this );
 602         GetEventHandler()->ProcessEvent( changing );
 603
 604         if ( changing.IsAllowed() )
 605         {
 606             wxNotebookEvent event(
 607                 wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 608                 newSel, m_nSelection );
 609             event.SetEventObject( this );
 610             GetEventHandler()->ProcessEvent( event );
 611         }
 612         else
 613         {
 614             m_peer->SetValue( m_nSelection + 1 ) ;
 615         }
 616
 617         status = noErr ;
 618     }
 619
 620     return (wxInt32)status ;
 621 }
 622
 623 #endif