src/mac/notebmac.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.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 #ifdef __GNUG__
  13 #pragma implementation "notebook.h"
  14 #endif
  15
  16 // ============================================================================
  17 // declarations
  18 // ============================================================================
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23 #include "wx/app.h"
  24 #include "wx/string.h"
  25 #include "wx/log.h"
  26 #include "wx/imaglist.h"
  27 #include "wx/notebook.h"
  28 #include "wx/mac/uma.h"
  29 // ----------------------------------------------------------------------------
  30 // macros
  31 // ----------------------------------------------------------------------------
  32
  33 // check that the page index is valid
  34 #define IS_VALID_PAGE(nPage) (((nPage) >= 0) && ((nPage) < GetPageCount()))
  35
  36
  37 // ----------------------------------------------------------------------------
  38 // event table
  39 // ----------------------------------------------------------------------------
  40
  41 #if !USE_SHARED_LIBRARIES
  42 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  43 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  44
  45 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  46 EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  47 EVT_MOUSE_EVENTS(wxNotebook::OnMouse)
  48
  49 EVT_SIZE(wxNotebook::OnSize)
  50 EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  51 EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  52 END_EVENT_TABLE()
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  55 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  56 #endif
  57
  58 // ============================================================================
  59 // implementation
  60 // ============================================================================
  61
  62 // The Appearance Manager docs show using tab controls in either edge to edge
  63 // mode, or inset.  I think edge to edge conforms better to the other ports,
  64 // and inset mode is better accomplished with space around the wxNotebook rather
  65 // than within it.    --Robin
  66 #define wxMAC_EDGE_TO_EDGE 1
  67
  68 static inline int wxMacTabMargin(long nbStyle, long side)
  69 {
  70     static int tabMargin = -1;
  71     static int otherMargin = -1;
  72
  73     if ( tabMargin == -1)
  74     {
  75         if ( UMAHasAquaLayout() )
  76         {
  77             tabMargin = 26;    // From Appearance Manager docs for small tab control dimensions
  78 #if wxMAC_EDGE_TO_EDGE
  79             otherMargin = 0;
  80 #else
  81             otherMargin = 20;
  82 #endif
  83         }
  84         else
  85         {
  86             tabMargin = 30;
  87 #if wxMAC_EDGE_TO_EDGE
  88             otherMargin = 0;
  89 #else
  90             otherMargin = 16;
  91 #endif
  92         }
  93     }
  94
  95     // If the style matches the side asked for then return the tab margin,
  96     // but we have to special case wxNB_TOP since it is zero...
  97     if ( side == wxNB_TOP)
  98     {
  99         if ( nbStyle != 0 && nbStyle & (wxNB_LEFT|wxNB_RIGHT|wxNB_BOTTOM))
 100         {
 101             return otherMargin;
 102         }
 103         else
 104         {
 105             return tabMargin;
 106         }
 107     }
 108     else if ( nbStyle & side)
 109         return tabMargin;
 110     else
 111         return otherMargin;
 112 }
 113
 114 static inline int wxMacTabLeftMargin(long style)
 115 {
 116     return wxMacTabMargin(style, wxNB_LEFT);
 117 }
 118
 119 static inline int wxMacTabTopMargin(long style)
 120 {
 121     return wxMacTabMargin(style, wxNB_TOP);
 122 }
 123
 124 static inline int wxMacTabRightMargin(long style)
 125 {
 126     return wxMacTabMargin(style, wxNB_RIGHT);
 127 }
 128
 129 static inline int wxMacTabBottomMargin(long style)
 130 {
 131     return wxMacTabMargin(style, wxNB_BOTTOM);
 132 }
 133
 134 // ----------------------------------------------------------------------------
 135 // wxNotebook construction
 136 // ----------------------------------------------------------------------------
 137
 138 // common part of all ctors
 139 void wxNotebook::Init()
 140 {
 141     if ( UMAHasAquaLayout() )
 142     {
 143         // Should these depend on wxMAC_EDGE_TO_EDGE too?
 144         m_macHorizontalBorder = 7;
 145         m_macVerticalBorder = 8;
 146     }
 147
 148     m_nSelection = -1;
 149 }
 150
 151 // default for dynamic class
 152 wxNotebook::wxNotebook()
 153 {
 154     Init();
 155 }
 156
 157 // the same arguments as for wxControl
 158 wxNotebook::wxNotebook(wxWindow *parent,
 159                        wxWindowID id,
 160                        const wxPoint& pos,
 161                        const wxSize& size,
 162                        long style,
 163                        const wxString& name)
 164 {
 165     Init();
 166
 167     Create(parent, id, pos, size, style, name);
 168 }
 169
 170 // Create() function
 171 bool wxNotebook::Create(wxWindow *parent,
 172                         wxWindowID id,
 173                         const wxPoint& pos,
 174                         const wxSize& size,
 175                         long style,
 176                         const wxString& name)
 177 {
 178     if ( !wxNotebookBase::Create(parent, id, pos, size, style, name) )
 179         return false;
 180
 181     Rect bounds ;
 182     Str255 title ;
 183
 184     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, wxDefaultValidator , name , &bounds , title ) ;
 185
 186     int tabstyle = kControlTabSmallNorthProc ;
 187     if ( HasFlag(wxNB_LEFT) )
 188         tabstyle = kControlTabSmallWestProc ;
 189     else if ( HasFlag( wxNB_RIGHT ) )
 190         tabstyle = kControlTabSmallEastProc ;
 191     else if ( HasFlag( wxNB_BOTTOM ) )
 192         tabstyle = kControlTabSmallSouthProc ;
 193
 194
 195     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1,
 196         tabstyle , (long) this ) ;
 197
 198     MacPostControlCreate() ;
 199     return TRUE ;
 200 }
 201
 202 // dtor
 203 wxNotebook::~wxNotebook()
 204 {
 205     m_macControl = NULL ;
 206 }
 207
 208 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 209 {
 210     wxSize sizeTotal = sizePage;
 211
 212     int major,minor;
 213     wxGetOsVersion( &major, &minor );
 214
 215     // Mac has large notebook borders. Aqua even more so.
 216
 217     if ( HasFlag(wxNB_LEFT) || HasFlag(wxNB_RIGHT) )
 218     {
 219         sizeTotal.x += 90;
 220
 221         if (major >= 10)
 222             sizeTotal.y += 28;
 223         else
 224             sizeTotal.y += 20;
 225     }
 226     else
 227     {
 228         if (major >= 10)
 229         {
 230             sizeTotal.x += 34;
 231             sizeTotal.y += 46;
 232         }
 233         else
 234         {
 235             sizeTotal.x += 22;
 236             sizeTotal.y += 44;
 237         }
 238     }
 239
 240     return sizeTotal;
 241 }
 242
 243 // ----------------------------------------------------------------------------
 244 // wxNotebook accessors
 245 // ----------------------------------------------------------------------------
 246
 247 void wxNotebook::SetPadding(const wxSize& padding)
 248 {
 249     wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 250 }
 251
 252 void wxNotebook::SetTabSize(const wxSize& sz)
 253 {
 254     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 255 }
 256
 257 void wxNotebook::SetPageSize(const wxSize& size)
 258 {
 259     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 260 }
 261
 262 int wxNotebook::SetSelection(int nPage)
 263 {
 264     if( !IS_VALID_PAGE(nPage) )
 265         return m_nSelection ;
 266
 267     ChangePage(m_nSelection, nPage);
 268     SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 269
 270     Refresh();
 271     return m_nSelection;
 272 }
 273
 274 bool wxNotebook::SetPageText(int nPage, const wxString& strText)
 275 {
 276     wxASSERT( IS_VALID_PAGE(nPage) );
 277
 278     wxNotebookPage *page = m_pages[nPage];
 279     page->SetLabel(strText);
 280     MacSetupTabs();
 281
 282     return true;
 283 }
 284
 285 wxString wxNotebook::GetPageText(int nPage) const
 286 {
 287     wxASSERT( IS_VALID_PAGE(nPage) );
 288
 289     wxNotebookPage *page = m_pages[nPage];
 290     return page->GetLabel();
 291 }
 292
 293 int wxNotebook::GetPageImage(int nPage) const
 294 {
 295     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, _T("invalid notebook page") );
 296
 297     return m_images[nPage];
 298 }
 299
 300 bool wxNotebook::SetPageImage(int nPage, int nImage)
 301 {
 302     wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, _T("invalid notebook page") );
 303
 304     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), FALSE,
 305         _T("invalid image index in SetPageImage()") );
 306
 307     if ( nImage != m_images[nPage] )
 308     {
 309         // if the item didn't have an icon before or, on the contrary, did have
 310         // it but has lost it now, its size will change - but if the icon just
 311         // changes, it won't
 312         m_images[nPage] = nImage;
 313
 314         MacSetupTabs() ;
 315     }
 316
 317     return TRUE;
 318 }
 319
 320 // ----------------------------------------------------------------------------
 321 // wxNotebook operations
 322 // ----------------------------------------------------------------------------
 323
 324 // remove one page from the notebook, without deleting the window
 325 wxNotebookPage* wxNotebook::DoRemovePage(int nPage)
 326 {
 327     wxCHECK( IS_VALID_PAGE(nPage), NULL );
 328     wxNotebookPage* page = m_pages[nPage] ;
 329     m_pages.RemoveAt(nPage);
 330
 331     MacSetupTabs();
 332
 333     if(m_nSelection >= GetPageCount()) {
 334         m_nSelection = GetPageCount() - 1;
 335     }
 336     if(m_nSelection >= 0) {
 337         m_pages[m_nSelection]->Show(true);
 338     }
 339     return page;
 340 }
 341
 342 // remove all pages
 343 bool wxNotebook::DeleteAllPages()
 344 {
 345     // TODO: delete native widget pages
 346
 347     WX_CLEAR_ARRAY(m_pages) ;
 348     MacSetupTabs();
 349
 350     return TRUE;
 351 }
 352
 353
 354 // same as AddPage() but does it at given position
 355 bool wxNotebook::InsertPage(int nPage,
 356                             wxNotebookPage *pPage,
 357                             const wxString& strText,
 358                             bool bSelect,
 359                             int imageId)
 360 {
 361     wxASSERT( pPage != NULL );
 362     wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
 363
 364     pPage->SetLabel(strText);
 365
 366     // save the pointer to the page
 367     m_pages.Insert(pPage, nPage);
 368
 369     m_images.Insert(imageId, nPage);
 370
 371     MacSetupTabs();
 372
 373     if ( bSelect ) {
 374         m_nSelection = nPage;
 375     }
 376     else if ( m_nSelection == -1 ) {
 377         m_nSelection = 0;
 378     }
 379     else if (m_nSelection >= nPage) {
 380         m_nSelection++;
 381     }
 382     // don't show pages by default (we'll need to adjust their size first)
 383     pPage->Show( false ) ;
 384
 385     int h, w;
 386     GetSize(&w, &h);
 387     pPage->SetSize(wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 388                    wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 389                    w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 390                    h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 391     if ( pPage->GetAutoLayout() ) {
 392         pPage->Layout();
 393     }
 394
 395     return true;
 396 }
 397
 398 /* Added by Mark Newsam
 399 * When a page is added or deleted to the notebook this function updates
 400 * information held in the m_macControl so that it matches the order
 401 * the user would expect.
 402 */
 403 void wxNotebook::MacSetupTabs()
 404 {
 405     SetControl32BitMaximum( (ControlHandle) m_macControl , GetPageCount() ) ;
 406
 407     wxNotebookPage *page;
 408     ControlTabInfoRec info;
 409
 410     for(int ii = 0; ii < GetPageCount(); ii++)
 411     {
 412         page = m_pages[ii];
 413         info.version = 0;
 414         info.iconSuiteID = 0;
 415         wxMacStringToPascal( page->GetLabel() , info.name ) ;
 416
 417         SetControlData( (ControlHandle) m_macControl, ii+1, kControlTabInfoTag,
 418             sizeof( ControlTabInfoRec) , (char*) &info ) ;
 419         SetTabEnabled( (ControlHandle) m_macControl , ii+1 , true ) ;
 420 #if TARGET_CARBON
 421         if ( GetImageList() && GetPageImage(ii) >= 0 && UMAGetSystemVersion() >= 0x1020 )
 422         {
 423             // tab controls only support very specific types of images, therefore we are doing an odyssee
 424             // accross the icon worlds (even Apple DTS did not find a shorter path)
 425             // in order not to pollute the icon registry we put every icon into (OSType) 1 and immediately
 426             // afterwards Unregister it (IconRef is ref counted, so it will stay on the tab even if we
 427             // unregister it) in case this will ever lead to having the same icon everywhere add some kind
 428             // of static counter
 429             ControlButtonContentInfo info ;
 430             wxMacCreateBitmapButton( &info , *GetImageList()->GetBitmap( GetPageImage(ii ) ) , kControlContentPictHandle) ;
 431             IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle(0) ;
 432             OSErr err = SetIconFamilyData( iconFamily, 'PICT' , (Handle) info.u.picture ) ;
 433             wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 434             IconRef iconRef ;
 435             err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) 1 , iconFamily, &iconRef ) ;
 436             wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 437             info.contentType = kControlContentIconRef ;
 438             info.u.iconRef = iconRef ;
 439             SetControlData( (ControlHandle) m_macControl, ii+1,kControlTabImageContentTag,
 440                 sizeof( info ), (Ptr)&info );
 441             wxASSERT_MSG( err == noErr , wxT("Error when setting icon on tab") ) ;
 442                UnregisterIconRef( 'WXNG' , (OSType) 1 ) ;
 443             ReleaseIconRef( iconRef ) ;
 444             DisposeHandle( (Handle) iconFamily ) ;
 445         }
 446 #endif
 447     }
 448     Rect bounds;
 449     GetControlBounds((ControlHandle)m_macControl, &bounds);
 450     InvalWindowRect((WindowRef)MacGetRootWindow(), &bounds);
 451 }
 452
 453 // ----------------------------------------------------------------------------
 454 // wxNotebook callbacks
 455 // ----------------------------------------------------------------------------
 456
 457 // @@@ OnSize() is used for setting the font when it's called for the first
 458 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 459 void wxNotebook::OnSize(wxSizeEvent& event)
 460 {
 461     // emulate page change (it's esp. important to do it first time because
 462     // otherwise our page would stay invisible)
 463     int nSel = m_nSelection;
 464     m_nSelection = -1;
 465     SetSelection(nSel);
 466
 467     // fit the notebook page to the tab control's display area
 468     int w, h;
 469     GetSize(&w, &h);
 470
 471     unsigned int nCount = m_pages.Count();
 472     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 473         wxNotebookPage *pPage = m_pages[nPage];
 474         pPage->SetSize(wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 475                        wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 476                        w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 477                        h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 478         if ( pPage->GetAutoLayout() ) {
 479             pPage->Layout();
 480         }
 481     }
 482
 483     // Processing continues to next OnSize
 484     event.Skip();
 485 }
 486
 487 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 488 {
 489     // is it our tab control?
 490     if ( event.GetEventObject() == this )
 491         ChangePage(event.GetOldSelection(), event.GetSelection());
 492
 493     // we want to give others a chance to process this message as well
 494     event.Skip();
 495 }
 496
 497 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 498 {
 499     // set focus to the currently selected page if any
 500     if ( m_nSelection != -1 )
 501         m_pages[m_nSelection]->SetFocus();
 502
 503     event.Skip();
 504 }
 505
 506 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 507 {
 508     if ( event.IsWindowChange() ) {
 509         // change pages
 510         AdvanceSelection(event.GetDirection());
 511     }
 512     else {
 513         // pass to the parent
 514         if ( GetParent() ) {
 515             event.SetCurrentFocus(this);
 516             GetParent()->ProcessEvent(event);
 517         }
 518     }
 519 }
 520
 521 // ----------------------------------------------------------------------------
 522 // wxNotebook base class virtuals
 523 // ----------------------------------------------------------------------------
 524
 525 // override these 2 functions to do nothing: everything is done in OnSize
 526
 527 void wxNotebook::SetConstraintSizes(bool /* recurse */)
 528 {
 529     // don't set the sizes of the pages - their correct size is not yet known
 530     wxControl::SetConstraintSizes(FALSE);
 531 }
 532
 533 bool wxNotebook::DoPhase(int /* nPhase */)
 534 {
 535     return TRUE;
 536 }
 537
 538 void wxNotebook::Command(wxCommandEvent& event)
 539 {
 540     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 541 }
 542
 543 // ----------------------------------------------------------------------------
 544 // wxNotebook helper functions
 545 // ----------------------------------------------------------------------------
 546
 547 // hide the currently active panel and show the new one
 548 void wxNotebook::ChangePage(int nOldSel, int nSel)
 549 {
 550     // it's not an error (the message may be generated by the tab control itself)
 551     // and it may happen - just do nothing
 552     if ( nSel == nOldSel )
 553     {
 554         wxNotebookPage *pPage = m_pages[nSel];
 555         pPage->Show(FALSE);
 556         pPage->Show(TRUE);
 557         pPage->SetFocus();
 558         return;
 559     }
 560
 561     // Hide previous page
 562     if ( nOldSel != -1 ) {
 563         m_pages[nOldSel]->Show(FALSE);
 564     }
 565
 566     wxNotebookPage *pPage = m_pages[nSel];
 567     pPage->Show(TRUE);
 568     pPage->SetFocus();
 569
 570     m_nSelection = nSel;
 571 }
 572
 573
 574 void  wxNotebook::OnMouse( wxMouseEvent &event )
 575 {
 576     if ( (ControlHandle) m_macControl == NULL )
 577     {
 578         event.Skip() ;
 579         return ;
 580     }
 581
 582     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 583     {
 584         int x = event.m_x ;
 585         int y = event.m_y ;
 586
 587         MacClientToRootWindow( &x , &y ) ;
 588
 589         ControlHandle   control ;
 590         Point       localwhere ;
 591         SInt16      controlpart ;
 592
 593         localwhere.h = x ;
 594         localwhere.v = y ;
 595
 596         short modifiers = 0;
 597
 598         if ( !event.m_leftDown && !event.m_rightDown )
 599             modifiers  |= btnState ;
 600
 601         if ( event.m_shiftDown )
 602             modifiers |= shiftKey ;
 603
 604         if ( event.m_controlDown )
 605             modifiers |= controlKey ;
 606
 607         if ( event.m_altDown )
 608             modifiers |= optionKey ;
 609
 610         if ( event.m_metaDown )
 611             modifiers |= cmdKey ;
 612
 613         control = (ControlHandle) m_macControl ;
 614         if ( control && ::IsControlActive( control ) )
 615         {
 616             {
 617                 wxNotebookEvent changing(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 618                     ::GetControl32BitValue(control) - 1, m_nSelection);
 619                 changing.SetEventObject(this);
 620                 GetEventHandler()->ProcessEvent(changing);
 621
 622                 if(changing.IsAllowed())
 623                 {
 624                     controlpart = ::HandleControlClick(control, localwhere, modifiers,
 625                         (ControlActionUPP) -1);
 626                     wxTheApp->s_lastMouseDown = 0 ;
 627
 628                     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 629                         ::GetControl32BitValue(control) - 1, m_nSelection);
 630                     event.SetEventObject(this);
 631
 632                     GetEventHandler()->ProcessEvent(event);
 633                 }
 634             }
 635         }
 636     }
 637 }
 638
 639
 640 void wxNotebook::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
 641 {
 642 #if 0
 643     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControl32BitValue((ControlHandle)m_macControl) - 1, m_nSelection);
 644     event.SetEventObject(this);
 645
 646     ProcessEvent(event);
 647 #endif
 648 }
 649