src/osx/notebook_osx.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/notebook_osx.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/osx/private.h"
  28
  29
  30 // check that the page index is valid
  31 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  32
  33 BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
  34     EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
  35
  36     EVT_SIZE(wxNotebook::OnSize)
  37     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  38     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  39 END_EVENT_TABLE()
  40
  41 bool wxNotebook::Create( wxWindow *parent,
  42     wxWindowID id,
  43     const wxPoint& pos,
  44     const wxSize& size,
  45     long style,
  46     const wxString& name )
  47 {
  48     DontCreatePeer();
  49
  50     if (! (style & wxBK_ALIGN_MASK))
  51         style |= wxBK_TOP;
  52
  53     if ( !wxNotebookBase::Create( parent, id, pos, size, style, name ) )
  54         return false;
  55
  56     SetPeer(wxWidgetImpl::CreateTabView(this,parent, id, pos, size, style, GetExtraStyle() ));
  57
  58     MacPostControlCreate( pos, size );
  59
  60     return true ;
  61 }
  62
  63 // dtor
  64 wxNotebook::~wxNotebook()
  65 {
  66 }
  67
  68 // ----------------------------------------------------------------------------
  69 // wxNotebook accessors
  70 // ----------------------------------------------------------------------------
  71
  72 void wxNotebook::SetPadding(const wxSize& WXUNUSED(padding))
  73 {
  74     // unsupported by OS
  75 }
  76
  77 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
  78 {
  79     // unsupported by OS
  80 }
  81
  82 void wxNotebook::SetPageSize(const wxSize& size)
  83 {
  84     SetSize( CalcSizeFromPage( size ) );
  85 }
  86
  87 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
  88 {
  89     return DoGetSizeFromClientSize( sizePage );
  90 }
  91
  92 int wxNotebook::DoSetSelection(size_t nPage, int flags)
  93 {
  94     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("DoSetSelection: invalid notebook page") );
  95
  96     if ( m_selection == wxNOT_FOUND || nPage != (size_t)m_selection )
  97     {
  98         if ( flags & SetSelection_SendEvent )
  99         {
 100             if ( !SendPageChangingEvent(nPage) )
 101             {
 102                 // vetoed by program
 103                 return m_selection;
 104             }
 105             //else: program allows the page change
 106
 107             SendPageChangedEvent(m_selection, nPage);
 108         }
 109
 110         ChangePage(m_selection, nPage);
 111     }
 112     //else: no change
 113
 114     return m_selection;
 115 }
 116
 117 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 118 {
 119     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("SetPageText: invalid notebook page") );
 120
 121     wxNotebookPage *page = m_pages[nPage];
 122     page->SetLabel(wxStripMenuCodes(strText));
 123     MacSetupTabs();
 124
 125     return true;
 126 }
 127
 128 wxString wxNotebook::GetPageText(size_t nPage) const
 129 {
 130     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("GetPageText: invalid notebook page") );
 131
 132     wxNotebookPage *page = m_pages[nPage];
 133
 134     return page->GetLabel();
 135 }
 136
 137 int wxNotebook::GetPageImage(size_t nPage) const
 138 {
 139     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("GetPageImage: invalid notebook page") );
 140
 141     return m_images[nPage];
 142 }
 143
 144 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 145 {
 146     wxCHECK_MSG( IS_VALID_PAGE(nPage), false,
 147         wxT("SetPageImage: invalid notebook page") );
 148     wxCHECK_MSG( HasImageList() && nImage < GetImageList()->GetImageCount(), false,
 149         wxT("SetPageImage: invalid image index") );
 150
 151     if ( nImage != m_images[nPage] )
 152     {
 153         // if the item didn't have an icon before or, on the contrary, did have
 154         // it but has lost it now, its size will change - but if the icon just
 155         // changes, it won't
 156         m_images[nPage] = nImage;
 157
 158         MacSetupTabs() ;
 159     }
 160
 161     return true;
 162 }
 163
 164 // ----------------------------------------------------------------------------
 165 // wxNotebook operations
 166 // ----------------------------------------------------------------------------
 167
 168 // remove one page from the notebook, without deleting the window
 169 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 170 {
 171     wxCHECK_MSG( IS_VALID_PAGE(nPage), NULL,
 172         wxT("DoRemovePage: invalid notebook page") );
 173
 174     wxNotebookPage* page = m_pages[nPage] ;
 175     m_pages.RemoveAt(nPage);
 176
 177     MacSetupTabs();
 178
 179     if (m_selection >= (int)GetPageCount())
 180         m_selection = GetPageCount() - 1;
 181
 182     if (m_selection >= 0)
 183         m_pages[m_selection]->Show(true);
 184
 185     InvalidateBestSize();
 186
 187     return page;
 188 }
 189
 190 // remove all pages
 191 bool wxNotebook::DeleteAllPages()
 192 {
 193     WX_CLEAR_ARRAY(m_pages) ;
 194     MacSetupTabs();
 195     m_selection = wxNOT_FOUND ;
 196     InvalidateBestSize();
 197
 198     return true;
 199 }
 200
 201 // same as AddPage() but does it at given position
 202 bool wxNotebook::InsertPage(size_t nPage,
 203     wxNotebookPage *pPage,
 204     const wxString& strText,
 205     bool bSelect,
 206     int imageId )
 207 {
 208     if ( !wxNotebookBase::InsertPage( nPage, pPage, strText, bSelect, imageId ) )
 209         return false;
 210
 211     wxASSERT_MSG( pPage->GetParent() == this, wxT("notebook pages must have notebook as parent") );
 212
 213     // don't show pages by default (we'll need to adjust their size first)
 214     pPage->Show( false ) ;
 215
 216     pPage->SetLabel( wxStripMenuCodes(strText) );
 217
 218     m_images.Insert( imageId, nPage );
 219
 220     MacSetupTabs();
 221
 222     wxRect rect = GetPageRect() ;
 223     pPage->SetSize( rect );
 224     if ( pPage->GetAutoLayout() )
 225         pPage->Layout();
 226
 227     // now deal with the selection
 228     // ---------------------------
 229
 230     // if the inserted page is before the selected one, we must update the
 231     // index of the selected page
 232
 233     if ( int(nPage) <= m_selection )
 234     {
 235         m_selection++;
 236
 237         // while this still is the same page showing, we need to update the tabs
 238         GetPeer()->SetValue( m_selection + 1 ) ;
 239     }
 240
 241     DoSetSelectionAfterInsertion(nPage, bSelect);
 242
 243     InvalidateBestSize();
 244
 245     return true;
 246 }
 247
 248 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 249 {
 250     return GetPeer()->TabHitTest(pt,flags);
 251 }
 252
 253 // Added by Mark Newsam
 254 // When a page is added or deleted to the notebook this function updates
 255 // information held in the control so that it matches the order
 256 // the user would expect.
 257 //
 258 void wxNotebook::MacSetupTabs()
 259 {
 260     GetPeer()->SetupTabs(*this);
 261     Refresh();
 262 }
 263
 264 wxRect wxNotebook::GetPageRect() const
 265 {
 266     wxSize size = GetClientSize() ;
 267
 268     return wxRect( 0 , 0 , size.x , size.y ) ;
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // wxNotebook callbacks
 273 // ----------------------------------------------------------------------------
 274
 275 // @@@ OnSize() is used for setting the font when it's called for the first
 276 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 277 void wxNotebook::OnSize(wxSizeEvent& event)
 278 {
 279     unsigned int nCount = m_pages.Count();
 280     wxRect rect = GetPageRect() ;
 281
 282     for ( unsigned int nPage = 0; nPage < nCount; nPage++ )
 283     {
 284         wxNotebookPage *pPage = m_pages[nPage];
 285         pPage->SetSize(rect, wxSIZE_FORCE_EVENT);
 286     }
 287
 288 #if 0 // deactivate r65078 for the moment
 289     // If the selected page is hidden at this point, the notebook
 290     // has become visible for the first time after creation, and
 291     // we postponed showing the page in ChangePage().
 292     // So show the selected page now.
 293     if ( m_selection != wxNOT_FOUND )
 294     {
 295         wxNotebookPage *pPage = m_pages[m_selection];
 296         if ( !pPage->IsShown() )
 297         {
 298             pPage->Show( true );
 299             pPage->SetFocus();
 300         }
 301     }
 302 #endif
 303
 304     // Processing continues to next OnSize
 305     event.Skip();
 306 }
 307
 308 void wxNotebook::OnSelChange(wxBookCtrlEvent& event)
 309 {
 310     // is it our tab control?
 311     if ( event.GetEventObject() == this )
 312         ChangePage(event.GetOldSelection(), event.GetSelection());
 313
 314     // we want to give others a chance to process this message as well
 315     event.Skip();
 316 }
 317
 318 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 319 {
 320     // set focus to the currently selected page if any
 321     if ( m_selection != wxNOT_FOUND )
 322         m_pages[m_selection]->SetFocus();
 323
 324     event.Skip();
 325 }
 326
 327 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 328 {
 329     if ( event.IsWindowChange() )
 330     {
 331         // change pages
 332         AdvanceSelection( event.GetDirection() );
 333     }
 334     else
 335     {
 336         // we get this event in 2 cases
 337         //
 338         // a) one of our pages might have generated it because the user TABbed
 339         // out from it in which case we should propagate the event upwards and
 340         // our parent will take care of setting the focus to prev/next sibling
 341         //
 342         // or
 343         //
 344         // b) the parent panel wants to give the focus to us so that we
 345         // forward it to our selected page. We can't deal with this in
 346         // OnSetFocus() because we don't know which direction the focus came
 347         // from in this case and so can't choose between setting the focus to
 348         // first or last panel child
 349         wxWindow *parent = GetParent();
 350
 351         // the cast is here to fix a GCC ICE
 352         if ( ((wxWindow*)event.GetEventObject()) == parent )
 353         {
 354             // no, it doesn't come from child, case (b): forward to a page
 355             if ( m_selection != wxNOT_FOUND )
 356             {
 357                 // so that the page knows that the event comes from it's parent
 358                 // and is being propagated downwards
 359                 event.SetEventObject( this );
 360
 361                 wxWindow *page = m_pages[m_selection];
 362                 if ( !page->HandleWindowEvent( event ) )
 363                 {
 364                     page->SetFocus();
 365                 }
 366                 //else: page manages focus inside it itself
 367             }
 368             else
 369             {
 370                 // we have no pages - still have to give focus to _something_
 371                 SetFocus();
 372             }
 373         }
 374         else
 375         {
 376             // it comes from our child, case (a), pass to the parent
 377             if ( parent )
 378             {
 379                 event.SetCurrentFocus( this );
 380                 parent->HandleWindowEvent( event );
 381             }
 382         }
 383     }
 384 }
 385
 386 // ----------------------------------------------------------------------------
 387 // wxNotebook base class virtuals
 388 // ----------------------------------------------------------------------------
 389
 390 #if wxUSE_CONSTRAINTS
 391
 392 // override these 2 functions to do nothing: everything is done in OnSize
 393
 394 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 395 {
 396     // don't set the sizes of the pages - their correct size is not yet known
 397     wxControl::SetConstraintSizes( false );
 398 }
 399
 400 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 401 {
 402     return true;
 403 }
 404
 405 #endif // wxUSE_CONSTRAINTS
 406
 407 void wxNotebook::Command(wxCommandEvent& WXUNUSED(event))
 408 {
 409     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 410 }
 411
 412 // ----------------------------------------------------------------------------
 413 // wxNotebook helper functions
 414 // ----------------------------------------------------------------------------
 415
 416 // hide the currently active panel and show the new one
 417 void wxNotebook::ChangePage(int nOldSel, int nSel)
 418 {
 419     if (nOldSel == nSel)
 420         return;
 421
 422     if ( nOldSel != wxNOT_FOUND )
 423         m_pages[nOldSel]->Show( false );
 424
 425     if ( nSel != wxNOT_FOUND )
 426     {
 427         wxNotebookPage *pPage = m_pages[nSel];
 428 #if 0 // deactivate r65078 for the moment
 429         if ( IsShownOnScreen() )
 430         {
 431             pPage->Show( true );
 432             pPage->SetFocus();
 433         }
 434         else
 435         {
 436             // Postpone Show() until the control is actually shown.
 437             // Otherwise this forces the containing toplevel window
 438             // to show, even if it's just being created and called
 439             // AddPage() without intent to show the window yet.
 440             // We Show() the selected page in our OnSize handler,
 441             // unless it already is shown.
 442         }
 443 #else
 444         pPage->Show( true );
 445         pPage->SetFocus();
 446 #endif
 447     }
 448
 449     m_selection = nSel;
 450     GetPeer()->SetValue( m_selection + 1 ) ;
 451 }
 452
 453 bool wxNotebook::OSXHandleClicked( double WXUNUSED(timestampsec) )
 454 {
 455     bool status = false ;
 456
 457     SInt32 newSel = GetPeer()->GetValue() - 1 ;
 458     if ( newSel != m_selection )
 459     {
 460         wxBookCtrlEvent changing(
 461             wxEVT_NOTEBOOK_PAGE_CHANGING, m_windowId,
 462             newSel , m_selection );
 463         changing.SetEventObject( this );
 464         HandleWindowEvent( changing );
 465
 466         if ( changing.IsAllowed() )
 467         {
 468             wxBookCtrlEvent event(
 469                 wxEVT_NOTEBOOK_PAGE_CHANGED, m_windowId,
 470                 newSel, m_selection );
 471             event.SetEventObject( this );
 472             HandleWindowEvent( event );
 473
 474             m_selection = newSel;
 475         }
 476         else
 477         {
 478             GetPeer()->SetValue( m_selection + 1 ) ;
 479         }
 480
 481         status = true ;
 482     }
 483
 484     return status ;
 485 }
 486
 487 #endif