src/mac/carbon/notebmac.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.cpp
   3 // Purpose:     implementation of wxNotebook
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19 #ifdef __GNUG__
  20   #pragma implementation "notebook.h"
  21 #endif
  22
  23 #include "wx/string.h"
  24 #include "wx/log.h"
  25 #include "wx/imaglist.h"
  26 #include "wx/notebook.h"
  27 #include "wx/mac/uma.h"
  28 // ----------------------------------------------------------------------------
  29 // macros
  30 // ----------------------------------------------------------------------------
  31
  32 // check that the page index is valid
  33 #define IS_VALID_PAGE(nPage) (((nPage) >= 0) && ((nPage) < GetPageCount()))
  34
  35 #ifdef __DARWIN__
  36   // I got these values for Mac OS X from the Appearance mgr docs. (Mark Newsam)
  37 const short kwxMacTabLeftMargin = 20 ;
  38 const short kwxMacTabTopMargin = 38 ;
  39 const short kwxMacTabRightMargin = 20 ;
  40 const short kwxMacTabBottomMargin = 12 ;
  41 #else
  42 const short kwxMacTabLeftMargin = 16 ;
  43 const short kwxMacTabTopMargin = 30 ;
  44 const short kwxMacTabRightMargin = 16 ;
  45 const short kwxMacTabBottomMargin = 16 ;
  46 #endif
  47
  48 // ----------------------------------------------------------------------------
  49 // event table
  50 // ----------------------------------------------------------------------------
  51
  52 #if !USE_SHARED_LIBRARIES
  53 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  54 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  55
  56 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  57     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  58
  59     EVT_SIZE(wxNotebook::OnSize)
  60     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  61     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  62 END_EVENT_TABLE()
  63
  64 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  65 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  66 #endif
  67
  68 // ============================================================================
  69 // implementation
  70 // ============================================================================
  71
  72 // ----------------------------------------------------------------------------
  73 // wxNotebook construction
  74 // ----------------------------------------------------------------------------
  75
  76 // common part of all ctors
  77 void wxNotebook::Init()
  78 {
  79 #ifdef __DARWIN__
  80     m_macHorizontalBorder = 7;
  81     m_macVerticalBorder = 8;
  82 #endif
  83     m_nSelection = -1;
  84 }
  85
  86 // default for dynamic class
  87 wxNotebook::wxNotebook()
  88 {
  89     Init();
  90 }
  91
  92 // the same arguments as for wxControl
  93 wxNotebook::wxNotebook(wxWindow *parent,
  94                        wxWindowID id,
  95                        const wxPoint& pos,
  96                        const wxSize& size,
  97                        long style,
  98                        const wxString& name)
  99 {
 100     Init();
 101
 102     Create(parent, id, pos, size, style, name);
 103 }
 104
 105 // Create() function
 106 bool wxNotebook::Create(wxWindow *parent,
 107                         wxWindowID id,
 108                         const wxPoint& pos,
 109                         const wxSize& size,
 110                         long style,
 111                         const wxString& name)
 112 {
 113         Rect bounds ;
 114         Str255 title ;
 115
 116         MacPreControlCreate( parent , id ,  "" , pos , size ,style, wxDefaultValidator , name , &bounds , title ) ;
 117
 118         m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false , 0 , 0 , 1,
 119                 kControlTabSmallProc , (long) this ) ;
 120
 121         MacPostControlCreate() ;
 122         return TRUE ;
 123 }
 124
 125 // dtor
 126 wxNotebook::~wxNotebook()
 127 {
 128         m_macControl = NULL ;
 129 }
 130
 131 // ----------------------------------------------------------------------------
 132 // wxNotebook accessors
 133 // ----------------------------------------------------------------------------
 134
 135 void wxNotebook::SetPadding(const wxSize& padding)
 136 {
 137    wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 138 }
 139
 140 void wxNotebook::SetTabSize(const wxSize& sz)
 141 {
 142     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 143 }
 144
 145 void wxNotebook::SetPageSize(const wxSize& size)
 146 {
 147     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 148 }
 149
 150 int wxNotebook::SetSelection(int nPage)
 151 {
 152   if( !IS_VALID_PAGE(nPage) )
 153     return m_nSelection ;
 154
 155     ChangePage(m_nSelection, nPage);
 156         SetControlValue( m_macControl , m_nSelection + 1 ) ;
 157
 158     return m_nSelection;
 159 }
 160
 161 bool wxNotebook::SetPageText(int nPage, const wxString& strText)
 162 {
 163     wxASSERT( IS_VALID_PAGE(nPage) );
 164
 165     wxNotebookPage *page = m_pages[nPage];
 166     page->SetLabel(strText);
 167     MacSetupTabs();
 168
 169     return true;
 170 }
 171
 172 wxString wxNotebook::GetPageText(int nPage) const
 173 {
 174     wxASSERT( IS_VALID_PAGE(nPage) );
 175
 176     wxNotebookPage *page = m_pages[nPage];
 177     return page->GetLabel();
 178 }
 179
 180 int wxNotebook::GetPageImage(int nPage) const
 181 {
 182     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, _T("invalid notebook page") );
 183
 184     return 0 ;
 185 }
 186
 187 bool wxNotebook::SetPageImage(int nPage, int nImage)
 188 {
 189     wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, _T("invalid notebook page") );
 190
 191     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), FALSE,
 192                  _T("invalid image index in SetPageImage()") );
 193
 194     return FALSE;
 195 }
 196
 197 // ----------------------------------------------------------------------------
 198 // wxNotebook operations
 199 // ----------------------------------------------------------------------------
 200
 201 // remove one page from the notebook, without deleting the window
 202 wxNotebookPage* wxNotebook::DoRemovePage(int nPage)
 203 {
 204     wxCHECK( IS_VALID_PAGE(nPage), NULL );
 205     wxNotebookPage* page = m_pages[nPage] ;
 206     m_pages.RemoveAt(nPage);
 207
 208     MacSetupTabs();
 209
 210     if(m_nSelection >= GetPageCount()) {
 211         m_nSelection = GetPageCount() - 1;
 212     }
 213     if(m_nSelection >= 0) {
 214         m_pages[m_nSelection]->Show(true);
 215     }
 216     return page;
 217 }
 218
 219 // remove all pages
 220 bool wxNotebook::DeleteAllPages()
 221 {
 222     // TODO: delete native widget pages
 223
 224     WX_CLEAR_ARRAY(m_pages) ;
 225     MacSetupTabs();
 226
 227     return TRUE;
 228 }
 229
 230
 231 // same as AddPage() but does it at given position
 232 bool wxNotebook::InsertPage(int nPage,
 233                             wxNotebookPage *pPage,
 234                             const wxString& strText,
 235                             bool bSelect,
 236                             int imageId)
 237 {
 238     wxASSERT( pPage != NULL );
 239     wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
 240
 241     pPage->SetLabel(strText);
 242
 243     // save the pointer to the page
 244     m_pages.Insert(pPage, nPage);
 245
 246     MacSetupTabs();
 247
 248     if ( bSelect ) {
 249         m_nSelection = nPage;
 250     }
 251     else if ( m_nSelection == -1 ) {
 252         m_nSelection = 0;
 253     }
 254     else if (m_nSelection >= nPage) {
 255         m_nSelection++;
 256     }
 257     // don't show pages by default (we'll need to adjust their size first)
 258     pPage->Show( false ) ;
 259
 260     int h, w;
 261     GetSize(&w, &h);
 262     pPage->SetSize(kwxMacTabLeftMargin, kwxMacTabTopMargin,
 263                    w - kwxMacTabLeftMargin - kwxMacTabRightMargin,
 264                    h - kwxMacTabTopMargin - kwxMacTabBottomMargin );
 265     if ( pPage->GetAutoLayout() ) {
 266         pPage->Layout();
 267     }
 268
 269     return true;
 270 }
 271
 272 /* Added by Mark Newsam
 273  * When a page is added or deleted to the notebook this function updates
 274  * information held in the m_macControl so that it matches the order
 275  * the user would expect.
 276  */
 277 void wxNotebook::MacSetupTabs()
 278 {
 279     SetControlMaximum( m_macControl , GetPageCount() ) ;
 280
 281     wxNotebookPage *page;
 282     ControlTabInfoRec info;
 283     Boolean enabled = true;
 284     for(int ii = 0; ii < GetPageCount(); ii++)
 285     {
 286         page = m_pages[ii];
 287         info.version = 0;
 288         info.iconSuiteID = 0;
 289 #if TARGET_CARBON
 290                 c2pstrcpy( (StringPtr) info.name , page->GetLabel() ) ;
 291 #else
 292                 strcpy( (char *) info.name , page->GetLabel() ) ;
 293                 c2pstr( (char *) info.name ) ;
 294 #endif
 295         SetControlData( m_macControl, ii+1, kControlTabInfoTag,
 296                         sizeof( ControlTabInfoRec) , (char*) &info ) ;
 297         SetControlData( m_macControl, ii+1, kControlTabEnabledFlagTag,
 298                         sizeof( Boolean ), (Ptr)&enabled );
 299     }
 300     Rect bounds;
 301     GetControlBounds(m_macControl, &bounds);
 302     InvalWindowRect(MacGetRootWindow(), &bounds);
 303 }
 304
 305 // ----------------------------------------------------------------------------
 306 // wxNotebook callbacks
 307 // ----------------------------------------------------------------------------
 308
 309 // @@@ OnSize() is used for setting the font when it's called for the first
 310 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 311 void wxNotebook::OnSize(wxSizeEvent& event)
 312 {
 313     // emulate page change (it's esp. important to do it first time because
 314     // otherwise our page would stay invisible)
 315     int nSel = m_nSelection;
 316     m_nSelection = -1;
 317     SetSelection(nSel);
 318
 319     // fit the notebook page to the tab control's display area
 320     int w, h;
 321     GetSize(&w, &h);
 322
 323     unsigned int nCount = m_pages.Count();
 324     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 325         wxNotebookPage *pPage = m_pages[nPage];
 326         pPage->SetSize(kwxMacTabLeftMargin, kwxMacTabTopMargin,
 327                        w - kwxMacTabLeftMargin - kwxMacTabRightMargin,
 328                        h - kwxMacTabTopMargin - kwxMacTabBottomMargin );
 329         if ( pPage->GetAutoLayout() ) {
 330             pPage->Layout();
 331         }
 332     }
 333
 334     // Processing continues to next OnSize
 335     event.Skip();
 336 }
 337
 338 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 339 {
 340     // is it our tab control?
 341     if ( event.GetEventObject() == this )
 342         ChangePage(event.GetOldSelection(), event.GetSelection());
 343
 344     // we want to give others a chance to process this message as well
 345     event.Skip();
 346 }
 347
 348 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 349 {
 350     // set focus to the currently selected page if any
 351     if ( m_nSelection != -1 )
 352         m_pages[m_nSelection]->SetFocus();
 353
 354     event.Skip();
 355 }
 356
 357 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 358 {
 359     if ( event.IsWindowChange() ) {
 360         // change pages
 361         AdvanceSelection(event.GetDirection());
 362     }
 363     else {
 364         // pass to the parent
 365         if ( GetParent() ) {
 366             event.SetCurrentFocus(this);
 367             GetParent()->ProcessEvent(event);
 368         }
 369     }
 370 }
 371
 372 // ----------------------------------------------------------------------------
 373 // wxNotebook base class virtuals
 374 // ----------------------------------------------------------------------------
 375
 376 // override these 2 functions to do nothing: everything is done in OnSize
 377
 378 void wxNotebook::SetConstraintSizes(bool /* recurse */)
 379 {
 380     // don't set the sizes of the pages - their correct size is not yet known
 381     wxControl::SetConstraintSizes(FALSE);
 382 }
 383
 384 bool wxNotebook::DoPhase(int /* nPhase */)
 385 {
 386     return TRUE;
 387 }
 388
 389 void wxNotebook::Command(wxCommandEvent& event)
 390 {
 391     wxFAIL_MSG("wxNotebook::Command not implemented");
 392 }
 393
 394 // ----------------------------------------------------------------------------
 395 // wxNotebook helper functions
 396 // ----------------------------------------------------------------------------
 397
 398 // hide the currently active panel and show the new one
 399 void wxNotebook::ChangePage(int nOldSel, int nSel)
 400 {
 401     // it's not an error (the message may be generated by the tab control itself)
 402     // and it may happen - just do nothing
 403     if ( nSel == nOldSel )
 404     {
 405         wxNotebookPage *pPage = m_pages[nSel];
 406         pPage->Show(FALSE);
 407         pPage->Show(TRUE);
 408         pPage->SetFocus();
 409         return;
 410     }
 411
 412     // Hide previous page
 413     if ( nOldSel != -1 ) {
 414         m_pages[nOldSel]->Show(FALSE);
 415     }
 416
 417     wxNotebookPage *pPage = m_pages[nSel];
 418     pPage->Show(TRUE);
 419     pPage->SetFocus();
 420
 421     m_nSelection = nSel;
 422 }
 423
 424 void wxNotebook::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 425 {
 426   wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControlValue(m_macControl) - 1, m_nSelection);
 427   event.SetEventObject(this);
 428
 429   ProcessEvent(event);
 430 }
 431