src/generic/treebkg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/treebkg.cpp
   3 // Purpose:     generic implementation of wxTreebook
   4 // Author:      Evgeniy Tarassov, Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2005-09-15
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Vadim Zeitlin <vadim@wxwidgets.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_TREEBOOK
  28
  29 #include "wx/treebook.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/settings.h"
  33 #endif
  34
  35 #include "wx/imaglist.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // various wxWidgets macros
  39 // ----------------------------------------------------------------------------
  40
  41 // check that the page index is valid
  42 #define IS_VALID_PAGE(nPage) ((nPage) < DoInternalGetPageCount())
  43
  44 // ----------------------------------------------------------------------------
  45 // event table
  46 // ----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxTreebook, wxBookCtrlBase)
  49 IMPLEMENT_DYNAMIC_CLASS(wxTreebookEvent, wxNotifyEvent)
  50
  51 #if !WXWIN_COMPATIBILITY_EVENT_TYPES
  52 const wxEventType wxEVT_COMMAND_TREEBOOK_PAGE_CHANGING = wxNewEventType();
  53 const wxEventType wxEVT_COMMAND_TREEBOOK_PAGE_CHANGED = wxNewEventType();
  54 const wxEventType wxEVT_COMMAND_TREEBOOK_NODE_COLLAPSED = wxNewEventType();
  55 const wxEventType wxEVT_COMMAND_TREEBOOK_NODE_EXPANDED = wxNewEventType();
  56 #endif
  57 const int wxID_TREEBOOKTREEVIEW = wxNewId();
  58
  59 BEGIN_EVENT_TABLE(wxTreebook, wxBookCtrlBase)
  60     EVT_TREE_SEL_CHANGED   (wxID_TREEBOOKTREEVIEW, wxTreebook::OnTreeSelectionChange)
  61     EVT_TREE_ITEM_EXPANDED (wxID_TREEBOOKTREEVIEW, wxTreebook::OnTreeNodeExpandedCollapsed)
  62     EVT_TREE_ITEM_COLLAPSED(wxID_TREEBOOKTREEVIEW, wxTreebook::OnTreeNodeExpandedCollapsed)
  63 END_EVENT_TABLE()
  64
  65 // ============================================================================
  66 // wxTreebook implementation
  67 // ============================================================================
  68
  69 // ----------------------------------------------------------------------------
  70 // wxTreebook creation
  71 // ----------------------------------------------------------------------------
  72
  73 void wxTreebook::Init()
  74 {
  75     m_selection =
  76     m_actualSelection = wxNOT_FOUND;
  77 }
  78
  79 bool
  80 wxTreebook::Create(wxWindow *parent,
  81                    wxWindowID id,
  82                    const wxPoint& pos,
  83                    const wxSize& size,
  84                    long style,
  85                    const wxString& name)
  86 {
  87     // Check the style flag to have either wxTBK_RIGHT or wxTBK_LEFT
  88     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
  89     {
  90         style |= wxBK_LEFT;
  91     }
  92
  93     // no border for this control, it doesn't look nice together with the tree
  94     style &= ~wxBORDER_MASK;
  95     style |= wxBORDER_NONE;
  96
  97     if ( !wxControl::Create(parent, id, pos, size,
  98                             style, wxDefaultValidator, name) )
  99         return false;
 100
 101     m_bookctrl = new wxTreeCtrl
 102                  (
 103                     this,
 104                     wxID_TREEBOOKTREEVIEW,
 105                     wxDefaultPosition,
 106                     wxDefaultSize,
 107 #ifndef __WXMSW__
 108                     wxBORDER_SIMPLE | // On wxMSW this produces a black border which is wrong
 109 #endif
 110                     wxTR_DEFAULT_STYLE |
 111                     wxTR_HIDE_ROOT |
 112                     wxTR_SINGLE
 113                  );
 114     GetTreeCtrl()->SetQuickBestSize(false); // do full size calculation
 115     GetTreeCtrl()->AddRoot(wxEmptyString); // label doesn't matter, it's hidden
 116
 117 #ifdef __WXMSW__
 118     // We need to add dummy size event to force possible scrollbar hiding
 119     wxSizeEvent evt;
 120     GetEventHandler()->AddPendingEvent(evt);
 121 #endif
 122
 123     return true;
 124 }
 125
 126
 127 // insert a new page just before the pagePos
 128 bool wxTreebook::InsertPage(size_t pagePos,
 129                             wxWindow *page,
 130                             const wxString& text,
 131                             bool bSelect,
 132                             int imageId)
 133 {
 134     return DoInsertPage(pagePos, page, text, bSelect, imageId);
 135 }
 136
 137 bool wxTreebook::InsertSubPage(size_t pagePos,
 138                                wxWindow *page,
 139                                const wxString& text,
 140                                bool bSelect,
 141                                int imageId)
 142 {
 143     return DoInsertSubPage(pagePos, page, text, bSelect, imageId);
 144 }
 145
 146 bool wxTreebook::AddPage(wxWindow *page, const wxString& text, bool bSelect,
 147                          int imageId)
 148 {
 149     return DoInsertPage(m_treeIds.GetCount(), page, text, bSelect, imageId);
 150 }
 151
 152 // insertion time is linear to the number of top-pages
 153 bool wxTreebook::AddSubPage(wxWindow *page, const wxString& text, bool bSelect, int imageId)
 154 {
 155     return DoAddSubPage(page, text, bSelect, imageId);
 156 }
 157
 158
 159 bool wxTreebook::DoInsertPage(size_t pagePos,
 160                               wxWindow *page,
 161                               const wxString& text,
 162                               bool bSelect,
 163                               int imageId)
 164 {
 165     wxCHECK_MSG( pagePos <= DoInternalGetPageCount(), false,
 166                         wxT("Invalid treebook page position") );
 167
 168     if ( !wxBookCtrlBase::InsertPage(pagePos, page, text, bSelect, imageId) )
 169         return false;
 170
 171     wxTreeCtrl *tree = GetTreeCtrl();
 172     wxTreeItemId newId;
 173     if ( pagePos == DoInternalGetPageCount() )
 174     {
 175         // append the page to the end
 176         wxTreeItemId rootId = tree->GetRootItem();
 177
 178         newId = tree->AppendItem(rootId, text, imageId);
 179     }
 180     else // insert the new page before the given one
 181     {
 182         wxTreeItemId nodeId = m_treeIds[pagePos];
 183
 184         wxTreeItemId previousId = tree->GetPrevSibling(nodeId);
 185         wxTreeItemId parentId = tree->GetItemParent(nodeId);
 186
 187         if ( previousId.IsOk() )
 188         {
 189             // insert before the sibling - previousId
 190             newId = tree->InsertItem(parentId, previousId, text, imageId);
 191         }
 192         else // no prev siblings -- insert as a first child
 193         {
 194             wxASSERT_MSG( parentId.IsOk(), wxT( "Tree has no root node?" ) );
 195
 196             newId = tree->PrependItem(parentId, text, imageId);
 197         }
 198     }
 199
 200     if ( !newId.IsOk() )
 201     {
 202         //something wrong -> cleaning and returning with false
 203         (void)wxBookCtrlBase::DoRemovePage(pagePos);
 204
 205         wxFAIL_MSG( wxT("Failed to insert treebook page") );
 206         return false;
 207     }
 208
 209     DoInternalAddPage(pagePos, page, newId);
 210
 211     DoUpdateSelection(bSelect, pagePos);
 212
 213     return true;
 214 }
 215
 216 bool wxTreebook::DoAddSubPage(wxWindow *page, const wxString& text, bool bSelect, int imageId)
 217 {
 218     wxTreeCtrl *tree = GetTreeCtrl();
 219
 220     wxTreeItemId rootId = tree->GetRootItem();
 221
 222     wxTreeItemId lastNodeId = tree->GetLastChild(rootId);
 223
 224     wxCHECK_MSG( lastNodeId.IsOk(), false,
 225                         _T("Can't insert sub page when there are no pages") );
 226
 227     // now calculate its position (should we save/update it too?)
 228     size_t newPos = tree->GetCount() -
 229                         (tree->GetChildrenCount(lastNodeId, true) + 1);
 230
 231     return DoInsertSubPage(newPos, page, text, bSelect, imageId);
 232 }
 233
 234 bool wxTreebook::DoInsertSubPage(size_t pagePos,
 235                                  wxTreebookPage *page,
 236                                  const wxString& text,
 237                                  bool bSelect,
 238                                  int imageId)
 239 {
 240     wxTreeItemId parentId = DoInternalGetPage(pagePos);
 241     wxCHECK_MSG( parentId.IsOk(), false, wxT("invalid tree item") );
 242
 243     wxTreeCtrl *tree = GetTreeCtrl();
 244
 245     size_t newPos = pagePos + tree->GetChildrenCount(parentId, true) + 1;
 246     wxASSERT_MSG( newPos <= DoInternalGetPageCount(),
 247                     wxT("Internal error in tree insert point calculation") );
 248
 249     if ( !wxBookCtrlBase::InsertPage(newPos, page, text, bSelect, imageId) )
 250         return false;
 251
 252     wxTreeItemId newId = tree->AppendItem(parentId, text, imageId);
 253
 254     tree->InvalidateBestSize();
 255
 256     if ( !newId.IsOk() )
 257     {
 258         (void)wxBookCtrlBase::DoRemovePage(newPos);
 259
 260         wxFAIL_MSG( wxT("Failed to insert treebook page") );
 261         return false;
 262     }
 263
 264     DoInternalAddPage(newPos, page, newId);
 265
 266     DoUpdateSelection(bSelect, newPos);
 267
 268     return true;
 269 }
 270
 271 bool wxTreebook::DeletePage(size_t pagePos)
 272 {
 273     wxCHECK_MSG( IS_VALID_PAGE(pagePos), false, wxT("Invalid tree index") );
 274
 275     wxTreebookPage *oldPage = DoRemovePage(pagePos);
 276     if ( !oldPage )
 277         return false;
 278
 279     delete oldPage;
 280
 281     return true;
 282 }
 283
 284 wxTreebookPage *wxTreebook::DoRemovePage(size_t pagePos)
 285 {
 286     wxTreeItemId pageId = DoInternalGetPage(pagePos);
 287     wxCHECK_MSG( pageId.IsOk(), NULL, wxT("Invalid tree index") );
 288
 289     wxTreebookPage * oldPage = GetPage(pagePos);
 290     wxTreeCtrl *tree = GetTreeCtrl();
 291
 292     size_t subCount = tree->GetChildrenCount(pageId, true);
 293     wxASSERT_MSG ( IS_VALID_PAGE(pagePos + subCount),
 294                         wxT("Internal error in wxTreebook::DoRemovePage") );
 295
 296     // here we are going to delete ALL the pages in the range
 297     // [pagePos, pagePos + subCount] -- the page and its children
 298
 299     // deleting all the pages from the base class
 300     for ( size_t i = 0; i <= subCount; ++i )
 301     {
 302         wxTreebookPage *page = wxBookCtrlBase::DoRemovePage(pagePos);
 303
 304         // don't delete the page itself though -- it will be deleted in
 305         // DeletePage() when we return
 306         if ( i )
 307         {
 308             delete page;
 309         }
 310     }
 311
 312     DoInternalRemovePageRange(pagePos, subCount);
 313
 314     tree->DeleteChildren( pageId );
 315     tree->Delete( pageId );
 316
 317     return oldPage;
 318 }
 319
 320 bool wxTreebook::DeleteAllPages()
 321 {
 322     wxBookCtrlBase::DeleteAllPages();
 323     m_treeIds.Clear();
 324     m_selection =
 325     m_actualSelection = wxNOT_FOUND;
 326
 327     wxTreeCtrl *tree = GetTreeCtrl();
 328     tree->DeleteChildren(tree->GetRootItem());
 329
 330     return true;
 331 }
 332
 333 void wxTreebook::DoInternalAddPage(size_t newPos,
 334                                    wxTreebookPage *page,
 335                                    wxTreeItemId pageId)
 336 {
 337     wxASSERT_MSG( newPos <= m_treeIds.GetCount(), wxT("Ivalid index passed to wxTreebook::DoInternalAddPage") );
 338
 339     // hide newly inserted page initially (it will be shown when selected)
 340     if ( page )
 341         page->Hide();
 342
 343     if ( newPos == m_treeIds.GetCount() )
 344     {
 345         // append
 346         m_treeIds.Add(pageId);
 347     }
 348     else // insert
 349     {
 350         m_treeIds.Insert(pageId, newPos);
 351
 352         if ( m_selection != wxNOT_FOUND && newPos <= (size_t)m_selection )
 353         {
 354             // selection has been moved one unit toward the end
 355             ++m_selection;
 356             if ( m_actualSelection != wxNOT_FOUND )
 357                 ++m_actualSelection;
 358         }
 359         else if ( m_actualSelection != wxNOT_FOUND &&
 360                     newPos <= (size_t)m_actualSelection )
 361         {
 362             DoSetSelection(m_selection);
 363         }
 364     }
 365 }
 366
 367 void wxTreebook::DoInternalRemovePageRange(size_t pagePos, size_t subCount)
 368 {
 369     // Attention: this function is only for a situation when we delete a node
 370     // with all its children so pagePos is the node's index and subCount is the
 371     // node children count
 372     wxASSERT_MSG( pagePos + subCount < m_treeIds.GetCount(),
 373                     wxT("Ivalid page index") );
 374
 375     wxTreeItemId pageId = m_treeIds[pagePos];
 376
 377     m_treeIds.RemoveAt(pagePos, subCount + 1);
 378
 379     if ( m_selection != wxNOT_FOUND )
 380     {
 381         if ( (size_t)m_selection > pagePos + subCount)
 382         {
 383             // selection is far after the deleted page, so just update the index and move on
 384             m_selection -= 1 + subCount;
 385             if ( m_actualSelection != wxNOT_FOUND)
 386             {
 387                 m_actualSelection -= subCount + 1;
 388             }
 389         }
 390         else if ( (size_t)m_selection >= pagePos )
 391         {
 392             wxTreeCtrl *tree = GetTreeCtrl();
 393
 394             // as selected page is going to be deleted, try to select the next
 395             // sibling if exists, if not then the parent
 396             wxTreeItemId nodeId = tree->GetNextSibling(pageId);
 397
 398             m_selection = wxNOT_FOUND;
 399             m_actualSelection = wxNOT_FOUND;
 400
 401             if ( nodeId.IsOk() )
 402             {
 403                 // selecting next siblings
 404                 tree->SelectItem(nodeId);
 405             }
 406             else // no next sibling, select the parent
 407             {
 408                 wxTreeItemId parentId = tree->GetItemParent(pageId);
 409
 410                 if ( parentId.IsOk() && parentId != tree->GetRootItem() )
 411                 {
 412                     tree->SelectItem(parentId);
 413                 }
 414                 else // parent is root
 415                 {
 416                     // we can't select it as it's hidden
 417                     DoUpdateSelection(false, wxNOT_FOUND);
 418                 }
 419             }
 420         }
 421         else if ( m_actualSelection != wxNOT_FOUND &&
 422                     (size_t)m_actualSelection >= pagePos )
 423         {
 424             // nothing to do -- selection is before the deleted node, but
 425             // actually shown page (the first (sub)child with page != NULL) is
 426             // already deleted
 427             m_actualSelection = m_selection;
 428             DoSetSelection(m_selection);
 429         }
 430         //else: nothing to do -- selection is before the deleted node
 431     }
 432     else
 433     {
 434         DoUpdateSelection(false, wxNOT_FOUND);
 435     }
 436 }
 437
 438
 439 void wxTreebook::DoUpdateSelection(bool bSelect, int newPos)
 440 {
 441     int newSelPos;
 442     if ( bSelect )
 443     {
 444         newSelPos = newPos;
 445     }
 446     else if ( m_selection == wxNOT_FOUND && DoInternalGetPageCount() > 0 )
 447     {
 448         newSelPos = 0;
 449     }
 450     else
 451     {
 452         newSelPos = wxNOT_FOUND;
 453     }
 454
 455     if ( newSelPos != wxNOT_FOUND )
 456     {
 457         SetSelection((size_t)newSelPos);
 458     }
 459 }
 460
 461 wxTreeItemId wxTreebook::DoInternalGetPage(size_t pagePos) const
 462 {
 463     if ( pagePos >= m_treeIds.GetCount() )
 464     {
 465         // invalid position but ok here, in this internal function, don't assert
 466         // (the caller will do it)
 467         return wxTreeItemId();
 468     }
 469
 470     return m_treeIds[pagePos];
 471 }
 472
 473 int wxTreebook::DoInternalFindPageById(wxTreeItemId pageId) const
 474 {
 475     const size_t count = m_treeIds.GetCount();
 476     for ( size_t i = 0; i < count; ++i )
 477     {
 478         if ( m_treeIds[i] == pageId )
 479             return i;
 480     }
 481
 482     return wxNOT_FOUND;
 483 }
 484
 485 bool wxTreebook::IsNodeExpanded(size_t pagePos) const
 486 {
 487     wxTreeItemId pageId = DoInternalGetPage(pagePos);
 488
 489     wxCHECK_MSG( pageId.IsOk(), false, wxT("invalid tree item") );
 490
 491     return GetTreeCtrl()->IsExpanded(pageId);
 492 }
 493
 494 bool wxTreebook::ExpandNode(size_t pagePos, bool expand)
 495 {
 496     wxTreeItemId pageId = DoInternalGetPage(pagePos);
 497
 498     wxCHECK_MSG( pageId.IsOk(), false, wxT("invalid tree item") );
 499
 500     if ( expand )
 501     {
 502         GetTreeCtrl()->Expand( pageId );
 503     }
 504     else // collapse
 505     {
 506         GetTreeCtrl()->Collapse( pageId );
 507
 508         // rely on the events generated by wxTreeCtrl to update selection
 509     }
 510
 511     return true;
 512 }
 513
 514 int wxTreebook::GetPageParent(size_t pagePos) const
 515 {
 516     wxTreeItemId nodeId = DoInternalGetPage( pagePos );
 517     wxCHECK_MSG( nodeId.IsOk(), wxNOT_FOUND, wxT("Invalid page index spacified!") );
 518
 519     const wxTreeItemId parent = GetTreeCtrl()->GetItemParent( nodeId );
 520
 521     return parent.IsOk() ? DoInternalFindPageById(parent) : wxNOT_FOUND;
 522 }
 523
 524 bool wxTreebook::SetPageText(size_t n, const wxString& strText)
 525 {
 526     wxTreeItemId pageId = DoInternalGetPage(n);
 527
 528     wxCHECK_MSG( pageId.IsOk(), false, wxT("invalid tree item") );
 529
 530     GetTreeCtrl()->SetItemText(pageId, strText);
 531
 532     return true;
 533 }
 534
 535 wxString wxTreebook::GetPageText(size_t n) const
 536 {
 537     wxTreeItemId pageId = DoInternalGetPage(n);
 538
 539     wxCHECK_MSG( pageId.IsOk(), wxString(), wxT("invalid tree item") );
 540
 541     return GetTreeCtrl()->GetItemText(pageId);
 542 }
 543
 544 int wxTreebook::GetPageImage(size_t n) const
 545 {
 546     wxTreeItemId pageId = DoInternalGetPage(n);
 547
 548     wxCHECK_MSG( pageId.IsOk(), wxNOT_FOUND, wxT("invalid tree item") );
 549
 550     return GetTreeCtrl()->GetItemImage(pageId);
 551 }
 552
 553 bool wxTreebook::SetPageImage(size_t n, int imageId)
 554 {
 555     wxTreeItemId pageId = DoInternalGetPage(n);
 556
 557     wxCHECK_MSG( pageId.IsOk(), false, wxT("invalid tree item") );
 558
 559     GetTreeCtrl()->SetItemImage(pageId, imageId);
 560
 561     return true;
 562 }
 563
 564 wxSize wxTreebook::CalcSizeFromPage(const wxSize& sizePage) const
 565 {
 566     const wxSize sizeTree = GetControllerSize();
 567
 568     wxSize size = sizePage;
 569     size.x += sizeTree.x;
 570
 571     return size;
 572 }
 573
 574 int wxTreebook::GetSelection() const
 575 {
 576    return m_selection;
 577 }
 578
 579 int wxTreebook::SetSelection(size_t pagePos)
 580 {
 581    if ( (size_t)m_selection != pagePos )
 582        return DoSetSelection(pagePos);
 583
 584    return m_selection;
 585 }
 586
 587 int wxTreebook::DoSetSelection(size_t pagePos)
 588 {
 589     wxCHECK_MSG( IS_VALID_PAGE(pagePos), wxNOT_FOUND,
 590                  wxT("invalid page index in wxListbook::SetSelection()") );
 591     wxASSERT_MSG( GetPageCount() == DoInternalGetPageCount(),
 592                   wxT("wxTreebook logic error: m_treeIds and m_pages not in sync!"));
 593
 594     const int oldSel = m_selection;
 595     wxTreeCtrl *tree = GetTreeCtrl();
 596
 597     wxTreebookEvent event(wxEVT_COMMAND_TREEBOOK_PAGE_CHANGING, m_windowId);
 598     event.SetEventObject(this);
 599     event.SetSelection(pagePos);
 600     event.SetOldSelection(m_selection);
 601
 602     // don't send the event if the old and new pages are the same; do send it
 603     // otherwise and be prepared for it to be vetoed
 604     if ( (int)pagePos == m_selection ||
 605             !GetEventHandler()->ProcessEvent(event) ||
 606                 event.IsAllowed() )
 607     {
 608         // hide the previously shown page
 609         wxTreebookPage * const oldPage = DoGetCurrentPage();
 610         if ( oldPage )
 611             oldPage->Hide();
 612
 613         // then show the new one
 614         m_selection = pagePos;
 615         wxTreebookPage *page = wxBookCtrlBase::GetPage(m_selection);
 616         if ( !page )
 617         {
 618             // find the next page suitable to be shown: the first (grand)child
 619             // of this one with a non-NULL associated page
 620             wxTreeItemId childId = m_treeIds[pagePos];
 621             int actualPagePos = pagePos;
 622             while ( !page && childId.IsOk() )
 623             {
 624                 wxTreeItemIdValue cookie;
 625                 childId = tree->GetFirstChild( childId, cookie );
 626                 if ( childId.IsOk() )
 627                 {
 628                     page = wxBookCtrlBase::GetPage(++actualPagePos);
 629                 }
 630             }
 631
 632             m_actualSelection = page ? actualPagePos : m_selection;
 633         }
 634
 635         if ( page )
 636             page->Show();
 637
 638         tree->SelectItem(DoInternalGetPage(pagePos));
 639
 640         // notify about the (now completed) page change
 641         event.SetEventType(wxEVT_COMMAND_TREEBOOK_PAGE_CHANGED);
 642         (void)GetEventHandler()->ProcessEvent(event);
 643     }
 644     else // page change vetoed
 645     {
 646         // tree selection might have already had changed
 647         tree->SelectItem(DoInternalGetPage(oldSel));
 648     }
 649
 650     return oldSel;
 651 }
 652
 653 wxTreebookPage *wxTreebook::DoGetCurrentPage() const
 654 {
 655     if ( m_selection == wxNOT_FOUND )
 656         return NULL;
 657
 658     wxTreebookPage *page = wxBookCtrlBase::GetPage(m_selection);
 659     if ( !page && m_actualSelection != wxNOT_FOUND )
 660     {
 661         page = wxBookCtrlBase::GetPage(m_actualSelection);
 662     }
 663
 664     return page;
 665 }
 666
 667 void wxTreebook::SetImageList(wxImageList *imageList)
 668 {
 669     wxBookCtrlBase::SetImageList(imageList);
 670     GetTreeCtrl()->SetImageList(imageList);
 671 }
 672
 673 void wxTreebook::AssignImageList(wxImageList *imageList)
 674 {
 675     wxBookCtrlBase::AssignImageList(imageList);
 676     GetTreeCtrl()->SetImageList(imageList);
 677 }
 678
 679 // ----------------------------------------------------------------------------
 680 // event handlers
 681 // ----------------------------------------------------------------------------
 682
 683 void wxTreebook::OnTreeSelectionChange(wxTreeEvent& event)
 684 {
 685     wxTreeItemId newId = event.GetItem();
 686
 687     if ( (m_selection == wxNOT_FOUND &&
 688                 (!newId.IsOk() || newId == GetTreeCtrl()->GetRootItem())) ||
 689             (m_selection != wxNOT_FOUND && newId == m_treeIds[m_selection]) )
 690     {
 691         // this event can only come when we modify the tree selection ourselves
 692         // so we should simply ignore it
 693         return;
 694     }
 695
 696     int newPos = DoInternalFindPageById(newId);
 697
 698     if ( newPos != wxNOT_FOUND )
 699         SetSelection( newPos );
 700 }
 701
 702 void wxTreebook::OnTreeNodeExpandedCollapsed(wxTreeEvent & event)
 703 {
 704     wxTreeItemId nodeId = event.GetItem();
 705     if ( !nodeId.IsOk() || nodeId == GetTreeCtrl()->GetRootItem() )
 706         return;
 707     int pagePos = DoInternalFindPageById(nodeId);
 708     wxCHECK_RET( pagePos != wxNOT_FOUND, wxT("Internal problem in wxTreebook!..") );
 709
 710     wxTreebookEvent ev(GetTreeCtrl()->IsExpanded(nodeId)
 711             ? wxEVT_COMMAND_TREEBOOK_NODE_EXPANDED
 712             : wxEVT_COMMAND_TREEBOOK_NODE_COLLAPSED,
 713         m_windowId);
 714
 715     ev.SetSelection(pagePos);
 716     ev.SetOldSelection(pagePos);
 717     ev.SetEventObject(this);
 718
 719     GetEventHandler()->ProcessEvent(ev);
 720 }
 721
 722 // ----------------------------------------------------------------------------
 723 // wxTreebook geometry management
 724 // ----------------------------------------------------------------------------
 725
 726 int wxTreebook::HitTest(wxPoint const & pt, long * flags) const
 727 {
 728     int pagePos = wxNOT_FOUND;
 729
 730     if ( flags )
 731         *flags = wxBK_HITTEST_NOWHERE;
 732
 733     // convert from wxTreebook coorindates to wxTreeCtrl ones
 734     const wxTreeCtrl * const tree = GetTreeCtrl();
 735     const wxPoint treePt = tree->ScreenToClient(ClientToScreen(pt));
 736
 737     // is it over the tree?
 738     if ( wxRect(tree->GetSize()).Inside(treePt) )
 739     {
 740         int flagsTree;
 741         wxTreeItemId id = tree->HitTest(treePt, flagsTree);
 742
 743         if ( id.IsOk() && (flagsTree & wxTREE_HITTEST_ONITEM) )
 744         {
 745             pagePos = DoInternalFindPageById(id);
 746         }
 747
 748         if ( flags )
 749         {
 750             if ( pagePos != wxNOT_FOUND )
 751                 *flags = 0;
 752
 753             if ( flagsTree & (wxTREE_HITTEST_ONITEMBUTTON |
 754                               wxTREE_HITTEST_ONITEMICON |
 755                               wxTREE_HITTEST_ONITEMSTATEICON) )
 756                 *flags |= wxBK_HITTEST_ONICON;
 757
 758             if ( flagsTree & wxTREE_HITTEST_ONITEMLABEL )
 759                 *flags |= wxBK_HITTEST_ONLABEL;
 760         }
 761     }
 762     else // not over the tree
 763     {
 764         if ( flags && GetPageRect().Inside( pt ) )
 765             *flags |= wxBK_HITTEST_ONPAGE;
 766     }
 767
 768     return pagePos;
 769 }
 770
 771 #endif // wxUSE_TREEBOOK