src/mac/notebook.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 const short kwxMacTabLeftMargin = 16 ;
  36 const short kwxMacTabTopMargin = 30 ;
  37 const short kwxMacTabRightMargin = 16 ;
  38 const short kwxMacTabBottomMargin = 16 ;
  39
  40 // ----------------------------------------------------------------------------
  41 // event table
  42 // ----------------------------------------------------------------------------
  43
  44 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  45 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  46
  47 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  48     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  49
  50     EVT_SIZE(wxNotebook::OnSize)
  51     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  52     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  53 END_EVENT_TABLE()
  54
  55 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  56 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  57
  58 // ============================================================================
  59 // implementation
  60 // ============================================================================
  61
  62 // ----------------------------------------------------------------------------
  63 // wxNotebook construction
  64 // ----------------------------------------------------------------------------
  65
  66 // common part of all ctors
  67 void wxNotebook::Init()
  68 {
  69     m_pImageList = NULL;
  70     m_nSelection = -1;
  71 }
  72
  73 // default for dynamic class
  74 wxNotebook::wxNotebook()
  75 {
  76     Init();
  77 }
  78
  79 // the same arguments as for wxControl
  80 wxNotebook::wxNotebook(wxWindow *parent,
  81                        wxWindowID id,
  82                        const wxPoint& pos,
  83                        const wxSize& size,
  84                        long style,
  85                        const wxString& name)
  86 {
  87     Init();
  88
  89     Create(parent, id, pos, size, style, name);
  90 }
  91
  92 // Create() function
  93 bool wxNotebook::Create(wxWindow *parent,
  94                         wxWindowID id,
  95                         const wxPoint& pos,
  96                         const wxSize& size,
  97                         long style,
  98                         const wxString& name)
  99 {
 100         Rect bounds ;
 101         Str255 title ;
 102
 103         MacPreControlCreate( parent , id ,  "" , pos , size ,style, *((wxValidator*)NULL) , name , &bounds , title ) ;
 104
 105         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 1,
 106                 kControlTabSmallProc , (long) this ) ;
 107
 108         MacPostControlCreate() ;
 109         return TRUE ;
 110 }
 111
 112 // dtor
 113 wxNotebook::~wxNotebook()
 114 {
 115 }
 116
 117 // ----------------------------------------------------------------------------
 118 // wxNotebook accessors
 119 // ----------------------------------------------------------------------------
 120 int wxNotebook::GetPageCount() const
 121 {
 122     return m_aPages.Count();
 123 }
 124
 125 int wxNotebook::GetRowCount() const
 126 {
 127     return 1;
 128 }
 129
 130 int wxNotebook::SetSelection(int nPage)
 131 {
 132     wxASSERT( IS_VALID_PAGE(nPage) );
 133
 134     ChangePage(m_nSelection, nPage);
 135                 SetControlValue( m_macControl , m_nSelection + 1 ) ;
 136 //      Boolean enabled = true ;
 137
 138 //      SetControlData( m_macControl, m_nSelection + 1, kControlTabEnabledFlagTag, sizeof( Boolean ), (Ptr)&enabled );
 139     return m_nSelection;
 140 }
 141
 142 void wxNotebook::AdvanceSelection(bool bForward)
 143 {
 144     int nSel = GetSelection();
 145     int nMax = GetPageCount() - 1;
 146     if ( bForward )
 147         SetSelection(nSel == nMax ? 0 : nSel + 1);
 148     else
 149         SetSelection(nSel == 0 ? nMax : nSel - 1);
 150 }
 151
 152 bool wxNotebook::SetPageText(int nPage, const wxString& strText)
 153 {
 154     wxASSERT( IS_VALID_PAGE(nPage) );
 155
 156     // TODO
 157     return FALSE;
 158 }
 159
 160 wxString wxNotebook::GetPageText(int nPage) const
 161 {
 162     wxASSERT( IS_VALID_PAGE(nPage) );
 163
 164     // TODO
 165     return wxString("");
 166 }
 167
 168 int wxNotebook::GetPageImage(int nPage) const
 169 {
 170     wxASSERT( IS_VALID_PAGE(nPage) );
 171
 172     // TODO
 173     return 0;
 174 }
 175
 176 bool wxNotebook::SetPageImage(int nPage, int nImage)
 177 {
 178     wxASSERT( IS_VALID_PAGE(nPage) );
 179
 180     // TODO
 181     return FALSE;
 182 }
 183
 184 void wxNotebook::SetImageList(wxImageList* imageList)
 185 {
 186     m_pImageList = imageList;
 187     // TODO
 188 }
 189
 190 // ----------------------------------------------------------------------------
 191 // wxNotebook operations
 192 // ----------------------------------------------------------------------------
 193
 194 // remove one page from the notebook
 195 bool wxNotebook::DeletePage(int nPage)
 196 {
 197     wxCHECK( IS_VALID_PAGE(nPage), FALSE );
 198
 199     // TODO: delete native widget page
 200
 201     delete m_aPages[nPage];
 202     m_aPages.Remove(nPage);
 203
 204     return TRUE;
 205 }
 206
 207 // remove one page from the notebook, without deleting the window
 208 bool wxNotebook::RemovePage(int nPage)
 209 {
 210     wxCHECK( IS_VALID_PAGE(nPage), FALSE );
 211
 212     m_aPages.Remove(nPage);
 213
 214     return TRUE;
 215 }
 216
 217 // remove all pages
 218 bool wxNotebook::DeleteAllPages()
 219 {
 220     // TODO: delete native widget pages
 221
 222     int nPageCount = GetPageCount();
 223     int nPage;
 224     for ( nPage = 0; nPage < nPageCount; nPage++ )
 225         delete m_aPages[nPage];
 226
 227     m_aPages.Clear();
 228
 229     return TRUE;
 230 }
 231
 232 // add a page to the notebook
 233 bool wxNotebook::AddPage(wxNotebookPage *pPage,
 234                          const wxString& strText,
 235                          bool bSelect,
 236                          int imageId)
 237 {
 238     return InsertPage(GetPageCount(), pPage, strText, bSelect, imageId);
 239 }
 240
 241 // same as AddPage() but does it at given position
 242 bool wxNotebook::InsertPage(int nPage,
 243                             wxNotebookPage *pPage,
 244                             const wxString& strText,
 245                             bool bSelect,
 246                             int imageId)
 247 {
 248     wxASSERT( pPage != NULL );
 249     wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
 250
 251                 ControlTabInfoRec tie ;
 252                 Boolean enabled = true ;
 253                 if ( nPage + 1 > GetControlMaximum( m_macControl ) )
 254                 {
 255                         SetControlMaximum( m_macControl , nPage + 1 ) ;
 256                 }
 257
 258                 tie.version = 0 ;
 259                 tie.iconSuiteID = 0 ;
 260                 c2pstrcpy( (StringPtr) tie.name , strText ) ;
 261                 SetControlData( m_macControl, nPage + 1, kControlTabInfoTag , sizeof( ControlTabInfoRec) , (char*) &tie ) ;
 262                 SetControlData( m_macControl, m_nSelection + 1, kControlTabEnabledFlagTag, sizeof( Boolean ), (Ptr)&enabled );
 263
 264     // save the pointer to the page
 265     m_aPages.Insert(pPage, nPage);
 266
 267     // some page must be selected: either this one or the first one if there is
 268     // still no selection
 269     if ( bSelect )
 270         m_nSelection = nPage;
 271     else if ( m_nSelection == -1 )
 272         m_nSelection = 0;
 273
 274         // don't show pages by default (we'll need to adjust their size first)
 275                 pPage->Show( FALSE ) ;
 276
 277     return TRUE;
 278 }
 279
 280 // ----------------------------------------------------------------------------
 281 // wxNotebook callbacks
 282 // ----------------------------------------------------------------------------
 283
 284 // @@@ OnSize() is used for setting the font when it's called for the first
 285 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 286 void wxNotebook::OnSize(wxSizeEvent& event)
 287 {
 288     static bool s_bFirstTime = TRUE;
 289     if ( s_bFirstTime ) {
 290         // TODO: any first-time-size processing.
 291         s_bFirstTime = FALSE;
 292     }
 293
 294     // TODO: all this may or may not be necessary for your platform
 295
 296     // emulate page change (it's esp. important to do it first time because
 297     // otherwise our page would stay invisible)
 298     int nSel = m_nSelection;
 299     m_nSelection = -1;
 300     SetSelection(nSel);
 301
 302     // fit the notebook page to the tab control's display area
 303     int w, h;
 304     GetSize(&w, &h);
 305
 306     unsigned int nCount = m_aPages.Count();
 307     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 308         wxNotebookPage *pPage = m_aPages[nPage];
 309         pPage->SetSize(kwxMacTabLeftMargin, kwxMacTabTopMargin, w - kwxMacTabLeftMargin - kwxMacTabRightMargin,
 310                 h - kwxMacTabTopMargin - kwxMacTabBottomMargin );
 311 //        pPage->SetSize(0, 0, w, h);
 312         if ( pPage->GetAutoLayout() )
 313             pPage->Layout();
 314     }
 315
 316     // Processing continues to next OnSize
 317     event.Skip();
 318 }
 319
 320 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 321 {
 322     // is it our tab control?
 323     if ( event.GetEventObject() == this )
 324         ChangePage(event.GetOldSelection(), event.GetSelection());
 325
 326     // we want to give others a chance to process this message as well
 327     event.Skip();
 328 }
 329
 330 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 331 {
 332     // set focus to the currently selected page if any
 333     if ( m_nSelection != -1 )
 334         m_aPages[m_nSelection]->SetFocus();
 335
 336     event.Skip();
 337 }
 338
 339 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 340 {
 341     if ( event.IsWindowChange() ) {
 342         // change pages
 343         AdvanceSelection(event.GetDirection());
 344     }
 345     else {
 346         // pass to the parent
 347         if ( GetParent() ) {
 348             event.SetCurrentFocus(this);
 349             GetParent()->ProcessEvent(event);
 350         }
 351     }
 352 }
 353
 354 // ----------------------------------------------------------------------------
 355 // wxNotebook base class virtuals
 356 // ----------------------------------------------------------------------------
 357
 358 // override these 2 functions to do nothing: everything is done in OnSize
 359
 360 void wxNotebook::SetConstraintSizes(bool /* recurse */)
 361 {
 362     // don't set the sizes of the pages - their correct size is not yet known
 363     wxControl::SetConstraintSizes(FALSE);
 364 }
 365
 366 bool wxNotebook::DoPhase(int /* nPhase */)
 367 {
 368     return TRUE;
 369 }
 370
 371 void wxNotebook::Command(wxCommandEvent& event)
 372 {
 373     wxFAIL_MSG("wxNotebook::Command not implemented");
 374 }
 375
 376 // ----------------------------------------------------------------------------
 377 // wxNotebook helper functions
 378 // ----------------------------------------------------------------------------
 379
 380 // hide the currently active panel and show the new one
 381 void wxNotebook::ChangePage(int nOldSel, int nSel)
 382 {
 383   // it's not an error (the message may be generated by the tab control itself)
 384   // and it may happen - just do nothing
 385   if ( nSel == nOldSel )
 386   {
 387     wxNotebookPage *pPage = m_aPages[nSel];
 388         pPage->Show(FALSE);
 389         pPage->Show(TRUE);
 390         pPage->SetFocus();
 391     return;
 392   }
 393
 394     if ( nOldSel != -1 ) {
 395         m_aPages[nOldSel]->Show(FALSE);
 396     }
 397
 398     wxNotebookPage *pPage = m_aPages[nSel];
 399     pPage->Show(TRUE);
 400     pPage->SetFocus();
 401
 402     m_nSelection = nSel;
 403 }
 404
 405 void wxNotebook::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 406 {
 407   wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControlValue(m_macControl) - 1, m_nSelection);
 408   event.SetEventObject(this);
 409
 410   ProcessEvent(event);
 411 }
 412