src/os2/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
  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 // ----------------------------------------------------------------------------
  36 // event table
  37 // ----------------------------------------------------------------------------
  38
  39 #if !USE_SHARED_LIBRARIES
  40 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  41     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  42
  43     EVT_SIZE(wxNotebook::OnSize)
  44     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  45     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  46 END_EVENT_TABLE()
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  49 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  50 #endif
  51
  52 // ============================================================================
  53 // implementation
  54 // ============================================================================
  55
  56 // ----------------------------------------------------------------------------
  57 // wxNotebook construction
  58 // ----------------------------------------------------------------------------
  59
  60 // common part of all ctors
  61 void wxNotebook::Init()
  62 {
  63     m_pImageList = NULL;
  64     m_nSelection = -1;
  65 }
  66
  67 // default for dynamic class
  68 wxNotebook::wxNotebook()
  69 {
  70     Init();
  71 }
  72
  73 // the same arguments as for wxControl
  74 wxNotebook::wxNotebook(wxWindow *parent,
  75                        wxWindowID id,
  76                        const wxPoint& pos,
  77                        const wxSize& size,
  78                        long style,
  79                        const wxString& name)
  80 {
  81     Init();
  82
  83     Create(parent, id, pos, size, style, name);
  84 }
  85
  86 // Create() function
  87 bool wxNotebook::Create(wxWindow *parent,
  88                         wxWindowID id,
  89                         const wxPoint& pos,
  90                         const wxSize& size,
  91                         long style,
  92                         const wxString& name)
  93 {
  94     // base init
  95     SetName(name);
  96     SetParent(parent);
  97
  98     m_windowId = id == -1 ? NewControlId() : id;
  99
 100     // style
 101     m_windowStyle = style;
 102
 103     if ( parent != NULL )
 104         parent->AddChild(this);
 105
 106     // TODO
 107
 108     return FALSE;
 109 }
 110
 111 // dtor
 112 wxNotebook::~wxNotebook()
 113 {
 114 }
 115
 116 // ----------------------------------------------------------------------------
 117 // wxNotebook accessors
 118 // ----------------------------------------------------------------------------
 119 int wxNotebook::GetPageCount() const
 120 {
 121     return m_aPages.Count();
 122 }
 123
 124 int wxNotebook::GetRowCount() const
 125 {
 126     // TODO
 127     return 0;
 128 }
 129
 130 int wxNotebook::SetSelection(int nPage)
 131 {
 132     wxASSERT( IS_VALID_PAGE(nPage) );
 133
 134     ChangePage(m_nSelection, nPage);
 135
 136     // TODO
 137     return 0;
 138 }
 139
 140 void wxNotebook::AdvanceSelection(bool bForward)
 141 {
 142     int nSel = GetSelection();
 143     int nMax = GetPageCount() - 1;
 144     if ( bForward )
 145         SetSelection(nSel == nMax ? 0 : nSel + 1);
 146     else
 147         SetSelection(nSel == 0 ? nMax : nSel - 1);
 148 }
 149
 150 bool wxNotebook::SetPageText(int nPage, const wxString& strText)
 151 {
 152     wxASSERT( IS_VALID_PAGE(nPage) );
 153
 154     // TODO
 155     return FALSE;
 156 }
 157
 158 wxString wxNotebook::GetPageText(int nPage) const
 159 {
 160     wxASSERT( IS_VALID_PAGE(nPage) );
 161
 162     // TODO
 163     return wxString("");
 164 }
 165
 166 int wxNotebook::GetPageImage(int nPage) const
 167 {
 168     wxASSERT( IS_VALID_PAGE(nPage) );
 169
 170     // TODO
 171     return 0;
 172 }
 173
 174 bool wxNotebook::SetPageImage(int nPage, int nImage)
 175 {
 176     wxASSERT( IS_VALID_PAGE(nPage) );
 177
 178     // TODO
 179     return FALSE;
 180 }
 181
 182 void wxNotebook::SetImageList(wxImageList* imageList)
 183 {
 184     m_pImageList = imageList;
 185     // TODO
 186 }
 187
 188 // ----------------------------------------------------------------------------
 189 // wxNotebook operations
 190 // ----------------------------------------------------------------------------
 191
 192 // remove one page from the notebook
 193 bool wxNotebook::DeletePage(int nPage)
 194 {
 195     wxCHECK( IS_VALID_PAGE(nPage), FALSE );
 196
 197     // TODO: delete native widget page
 198
 199     delete m_aPages[nPage];
 200     m_aPages.Remove(nPage);
 201
 202     return TRUE;
 203 }
 204
 205 // remove one page from the notebook, without deleting the window
 206 bool wxNotebook::RemovePage(int nPage)
 207 {
 208     wxCHECK( IS_VALID_PAGE(nPage), FALSE );
 209
 210     m_aPages.Remove(nPage);
 211
 212     return TRUE;
 213 }
 214
 215 // remove all pages
 216 bool wxNotebook::DeleteAllPages()
 217 {
 218     // TODO: delete native widget pages
 219
 220     int nPageCount = GetPageCount();
 221     int nPage;
 222     for ( nPage = 0; nPage < nPageCount; nPage++ )
 223         delete m_aPages[nPage];
 224
 225     m_aPages.Clear();
 226
 227     return TRUE;
 228 }
 229
 230 // add a page to the notebook
 231 bool wxNotebook::AddPage(wxNotebookPage *pPage,
 232                          const wxString& strText,
 233                          bool bSelect,
 234                          int imageId)
 235 {
 236     return InsertPage(GetPageCount(), pPage, strText, bSelect, imageId);
 237 }
 238
 239 // same as AddPage() but does it at given position
 240 bool wxNotebook::InsertPage(int nPage,
 241                             wxNotebookPage *pPage,
 242                             const wxString& strText,
 243                             bool bSelect,
 244                             int imageId)
 245 {
 246     wxASSERT( pPage != NULL );
 247     wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
 248
 249     // TODO: insert native widget page
 250
 251     // save the pointer to the page
 252     m_aPages.Insert(pPage, nPage);
 253
 254     // some page must be selected: either this one or the first one if there is
 255     // still no selection
 256     if ( bSelect )
 257         m_nSelection = nPage;
 258     else if ( m_nSelection == -1 )
 259         m_nSelection = 0;
 260
 261     return TRUE;
 262 }
 263
 264 // ----------------------------------------------------------------------------
 265 // wxNotebook callbacks
 266 // ----------------------------------------------------------------------------
 267
 268 // @@@ OnSize() is used for setting the font when it's called for the first
 269 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 270 void wxNotebook::OnSize(wxSizeEvent& event)
 271 {
 272     static bool s_bFirstTime = TRUE;
 273     if ( s_bFirstTime ) {
 274         // TODO: any first-time-size processing.
 275         s_bFirstTime = FALSE;
 276     }
 277
 278     // TODO: all this may or may not be necessary for your platform
 279
 280     // emulate page change (it's esp. important to do it first time because
 281     // otherwise our page would stay invisible)
 282     int nSel = m_nSelection;
 283     m_nSelection = -1;
 284     SetSelection(nSel);
 285
 286     // fit the notebook page to the tab control's display area
 287     int w, h;
 288     GetSize(&w, &h);
 289
 290     unsigned int nCount = m_aPages.Count();
 291     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 292         wxNotebookPage *pPage = m_aPages[nPage];
 293         pPage->SetSize(0, 0, w, h);
 294         if ( pPage->GetAutoLayout() )
 295             pPage->Layout();
 296     }
 297
 298     // Processing continues to next OnSize
 299     event.Skip();
 300 }
 301
 302 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 303 {
 304     // is it our tab control?
 305     if ( event.GetEventObject() == this )
 306         ChangePage(event.GetOldSelection(), event.GetSelection());
 307
 308     // we want to give others a chance to process this message as well
 309     event.Skip();
 310 }
 311
 312 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 313 {
 314     // set focus to the currently selected page if any
 315     if ( m_nSelection != -1 )
 316         m_aPages[m_nSelection]->SetFocus();
 317
 318     event.Skip();
 319 }
 320
 321 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 322 {
 323     if ( event.IsWindowChange() ) {
 324         // change pages
 325         AdvanceSelection(event.GetDirection());
 326     }
 327     else {
 328         // pass to the parent
 329         if ( GetParent() ) {
 330             event.SetCurrentFocus(this);
 331             GetParent()->ProcessEvent(event);
 332         }
 333     }
 334 }
 335
 336 // ----------------------------------------------------------------------------
 337 // wxNotebook base class virtuals
 338 // ----------------------------------------------------------------------------
 339
 340 // override these 2 functions to do nothing: everything is done in OnSize
 341
 342 void wxNotebook::SetConstraintSizes(bool /* recurse */)
 343 {
 344     // don't set the sizes of the pages - their correct size is not yet known
 345     wxControl::SetConstraintSizes(FALSE);
 346 }
 347
 348 bool wxNotebook::DoPhase(int /* nPhase */)
 349 {
 350     return TRUE;
 351 }
 352
 353 void wxNotebook::Command(wxCommandEvent& event)
 354 {
 355     wxFAIL_MSG("wxNotebook::Command not implemented");
 356 }
 357
 358 // ----------------------------------------------------------------------------
 359 // wxNotebook helper functions
 360 // ----------------------------------------------------------------------------
 361
 362 // hide the currently active panel and show the new one
 363 void wxNotebook::ChangePage(int nOldSel, int nSel)
 364 {
 365     wxASSERT( nOldSel != nSel ); // impossible
 366
 367     if ( nOldSel != -1 ) {
 368         m_aPages[nOldSel]->Show(FALSE);
 369     }
 370
 371     wxNotebookPage *pPage = m_aPages[nSel];
 372     pPage->Show(TRUE);
 373     pPage->SetFocus();
 374
 375     m_nSelection = nSel;
 376 }
 377
 378 void wxNotebook::SetTabSize(const wxSize& sz)
 379 {
 380     // TODO
 381 }
 382