///////////////////////////////////////////////////////////////////////////// // Name: treetest.cpp // Purpose: wxTreeCtrl sample // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation #pragma interface #endif // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/wx.h" #include "wx/log.h" #endif #include "wx/colordlg.h" #include "wx/image.h" #include "wx/imaglist.h" #include "wx/treectrl.h" #include "math.h" #ifdef __WIN32__ // this is not supported by native control #define NO_VARIABLE_HEIGHT #endif #include "treetest.h" // under Windows the icons are in the .rc file #ifndef __WXMSW__ #include "icon1.xpm" #include "icon2.xpm" #include "icon3.xpm" #include "icon4.xpm" #include "icon5.xpm" #include "mondrian.xpm" #endif // verify that the item is ok and insult the user if it is not #define CHECK_ITEM( item ) if ( !item.IsOk() ) { \ wxMessageBox(wxT("Please select some item first!"), \ wxT("Tree sample error"), \ wxOK | wxICON_EXCLAMATION, \ this); \ return; \ } #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name) BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_SIZE(MyFrame::OnSize) MENU_LINK(Quit) MENU_LINK(About) MENU_LINK(TogButtons) MENU_LINK(TogTwist) MENU_LINK(TogLines) MENU_LINK(TogEdit) MENU_LINK(TogHideRoot) MENU_LINK(TogRootLines) MENU_LINK(TogBorder) MENU_LINK(TogFullHighlight) MENU_LINK(SetFgColour) MENU_LINK(SetBgColour) MENU_LINK(ResetStyle) MENU_LINK(Dump) #ifndef NO_MULTIPLE_SELECTION MENU_LINK(DumpSelected) MENU_LINK(Select) MENU_LINK(Unselect) MENU_LINK(ToggleSel) #endif // NO_MULTIPLE_SELECTION MENU_LINK(Rename) MENU_LINK(Count) MENU_LINK(CountRec) MENU_LINK(Sort) MENU_LINK(SortRev) MENU_LINK(SetBold) MENU_LINK(ClearBold) MENU_LINK(Delete) MENU_LINK(DeleteChildren) MENU_LINK(DeleteAll) MENU_LINK(Recreate) MENU_LINK(ToggleImages) MENU_LINK(ToggleButtons) MENU_LINK(SetImageSize) MENU_LINK(CollapseAndReset) MENU_LINK(EnsureVisible) MENU_LINK(AddItem) MENU_LINK(InsertItem) MENU_LINK(IncIndent) MENU_LINK(DecIndent) MENU_LINK(IncSpacing) MENU_LINK(DecSpacing) MENU_LINK(ToggleIcon) #undef MENU_LINK END_EVENT_TABLE() #if USE_GENERIC_TREECTRL BEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl) #else BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl) #endif EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag) EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag) EVT_TREE_END_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnEndDrag) EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit) EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit) EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem) #if 0 // there are so many of those that logging them causes flicker EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo) #endif EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo) EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded) EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding) EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed) EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing) EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRightClick) EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp) EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged) EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging) EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown) EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated) EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick) END_EVENT_TABLE() IMPLEMENT_APP(MyApp) bool MyApp::OnInit() { // Create the main frame window MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600); // Show the frame frame->Show(TRUE); SetTopWindow(frame); return TRUE; } // My frame constructor MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h) : wxFrame((wxFrame *)NULL, -1, title, wxPoint(x, y), wxSize(w, h)), m_treeCtrl(NULL), m_textCtrl(NULL) { // This reduces flicker effects - even better would be to define // OnEraseBackground to do nothing. When the tree control's scrollbars are // show or hidden, the frame is sent a background erase event. SetBackgroundColour(wxColour(255, 255, 255)); // Give it an icon SetIcon(wxICON(mondrian)); #if wxUSE_MENUS // Make a menubar wxMenu *file_menu = new wxMenu, *style_menu = new wxMenu, *tree_menu = new wxMenu, *item_menu = new wxMenu; file_menu->Append(TreeTest_About, wxT("&About...")); file_menu->AppendSeparator(); file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X")); style_menu->Append(TreeTest_TogButtons, "Toggle &normal buttons", _T(""), TRUE); style_menu->Append(TreeTest_TogTwist, "Toggle &twister buttons", _T(""), TRUE); style_menu->Append(TreeTest_ToggleButtons, "Toggle image &buttons", _T(""), TRUE); style_menu->AppendSeparator(); style_menu->Append(TreeTest_TogLines, "Toggle &connecting lines", _T(""), TRUE); style_menu->Append(TreeTest_TogRootLines, "Toggle &lines at root", _T(""), TRUE); style_menu->Append(TreeTest_TogHideRoot, "Toggle &hidden root", _T(""), TRUE); style_menu->Append(TreeTest_TogBorder, "Toggle &item border", _T(""), TRUE); style_menu->Append(TreeTest_TogFullHighlight, "Toggle &full row highlight", _T(""), TRUE); style_menu->Append(TreeTest_TogEdit, "Toggle &edit mode", _T(""), TRUE); #ifndef NO_MULTIPLE_SELECTION style_menu->Append(TreeTest_ToggleSel, wxT("Toggle &selection mode"), _T(""), TRUE); #endif // NO_MULTIPLE_SELECTION style_menu->Append(TreeTest_ToggleImages, wxT("Toggle show ima&ges"), _T(""), TRUE); style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze...")); style_menu->AppendSeparator(); style_menu->Append(TreeTest_SetFgColour, wxT("Set &foreground colour...")); style_menu->Append(TreeTest_SetBgColour, wxT("Set &background colour...")); style_menu->AppendSeparator(); style_menu->Append(TreeTest_ResetStyle, wxT("&Reset to default\tF10")); tree_menu->Append(TreeTest_Recreate, "&Recreate the tree"); tree_menu->Append(TreeTest_CollapseAndReset, "C&ollapse and reset"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_AddItem, "Append a &new item"); tree_menu->Append(TreeTest_InsertItem, "&Insert a new item"); tree_menu->Append(TreeTest_Delete, "&Delete this item"); tree_menu->Append(TreeTest_DeleteChildren, "Delete &children"); tree_menu->Append(TreeTest_DeleteAll, "Delete &all items"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_Count, "Count children of current item"); tree_menu->Append(TreeTest_CountRec, "Recursively count children of current item"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_Sort, "Sort children of current item"); tree_menu->Append(TreeTest_SortRev, "Sort in reversed order"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_EnsureVisible, "Make the last item &visible"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_IncIndent, "Add 5 points to indentation\tAlt-I"); tree_menu->Append(TreeTest_DecIndent, "Reduce indentation by 5 points\tAlt-R"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_IncSpacing, "Add 5 points to spacing\tCtrl-I"); tree_menu->Append(TreeTest_DecSpacing, "Reduce spacing by 5 points\tCtrl-R"); item_menu->Append(TreeTest_Dump, "&Dump item children"); item_menu->Append(TreeTest_Rename, "&Rename item..."); item_menu->AppendSeparator(); item_menu->Append(TreeTest_SetBold, "Make item &bold"); item_menu->Append(TreeTest_ClearBold, "Make item ¬ bold"); item_menu->AppendSeparator(); item_menu->Append(TreeTest_ToggleIcon, "Toggle the item's &icon"); #ifndef NO_MULTIPLE_SELECTION item_menu->AppendSeparator(); item_menu->Append(TreeTest_DumpSelected, "Dump selected items\tAlt-D"); item_menu->Append(TreeTest_Select, "Select current item\tAlt-S"); item_menu->Append(TreeTest_Unselect, "Unselect everything\tAlt-U"); #endif // NO_MULTIPLE_SELECTION wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, "&File"); menu_bar->Append(style_menu, "&Style"); menu_bar->Append(tree_menu, "&Tree"); menu_bar->Append(item_menu, "&Item"); SetMenuBar(menu_bar); #endif // wxUSE_MENUS // create the controls m_textCtrl = new wxTextCtrl(this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxSUNKEN_BORDER); CreateTreeWithDefStyle(); menu_bar->Check(TreeTest_ToggleImages, TRUE); // create a status bar with 3 panes CreateStatusBar(3); SetStatusText("", 0); #ifdef __WXMOTIF__ // For some reason, we get a memcpy crash in wxLogStream::DoLogStream // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc? delete wxLog::SetActiveTarget(new wxLogStderr); #else // set our text control as the log target wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl); delete wxLog::SetActiveTarget(logWindow); #endif } MyFrame::~MyFrame() { delete wxLog::SetActiveTarget(NULL); } void MyFrame::CreateTreeWithDefStyle() { long style = wxTR_DEFAULT_STYLE | #ifndef NO_VARIABLE_HEIGHT wxTR_HAS_VARIABLE_ROW_HEIGHT | #endif wxTR_EDIT_LABELS; CreateTree(style | wxSUNKEN_BORDER); // as we don't know what wxTR_DEFAULT_STYLE could contain, test for // everything wxMenuBar *mbar = GetMenuBar(); mbar->Check(TreeTest_TogButtons, (style & wxTR_HAS_BUTTONS) != 0); mbar->Check(TreeTest_TogButtons, (style & wxTR_TWIST_BUTTONS) != 0); mbar->Check(TreeTest_TogLines, (style & wxTR_NO_LINES) == 0); mbar->Check(TreeTest_TogRootLines, (style & wxTR_LINES_AT_ROOT) != 0); mbar->Check(TreeTest_TogHideRoot, (style & wxTR_HIDE_ROOT) != 0); mbar->Check(TreeTest_TogEdit, (style & wxTR_EDIT_LABELS) != 0); mbar->Check(TreeTest_TogBorder, (style & wxTR_ROW_LINES) != 0); mbar->Check(TreeTest_TogFullHighlight, (style & wxTR_FULL_ROW_HIGHLIGHT) != 0); } void MyFrame::CreateTree(long style) { m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, wxDefaultPosition, wxDefaultSize, style); Resize(); } void MyFrame::TogStyle(int id, long flag) { long style = m_treeCtrl->GetWindowStyle() ^ flag; // most treectrl styles can't be changed on the fly using the native // control and the tree must be recreated #ifndef __WXMSW__ m_treeCtrl->SetWindowStyle(style); #else // MSW delete m_treeCtrl; CreateTree(style); #endif // !MSW/MSW GetMenuBar()->Check(id, (style & flag) != 0); } void MyFrame::OnSize(wxSizeEvent& event) { if ( m_treeCtrl && m_textCtrl ) { Resize(); } event.Skip(); } void MyFrame::Resize() { wxSize size = GetClientSize(); m_treeCtrl->SetSize(0, 0, size.x, 2*size.y/3); m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3); } void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { wxMessageBox("Tree test sample\n" "(c) Julian Smart 1997, Vadim Zeitlin 1998", "About tree test", wxOK | wxICON_INFORMATION, this); } void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); // old code - now we edit in place #if 0 static wxString s_text; s_text = wxGetTextFromUser("New name: ", "Tree sample question", s_text, this); if ( !s_text.IsEmpty() ) { m_treeCtrl->SetItemText(item, s_text); } #endif // 0 // TODO demonstrate creating a custom edit control... (void)m_treeCtrl->EditLabel(item); } void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); int i = m_treeCtrl->GetChildrenCount( item, FALSE ); wxLogMessage(wxT("%d children"), i); } void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); int i = m_treeCtrl->GetChildrenCount( item ); wxLogMessage(wxT("%d children"), i); } void MyFrame::DoSort(bool reverse) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); m_treeCtrl->DoSortChildren(item, reverse); } void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId root = m_treeCtrl->GetSelection(); CHECK_ITEM( root ); m_treeCtrl->GetItemsRecursively(root, -1); } #ifndef NO_MULTIPLE_SELECTION void MyFrame::OnToggleSel(wxCommandEvent& event) { TogStyle(event.GetId(), wxTR_MULTIPLE); } void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event)) { wxArrayTreeItemIds array; size_t count = m_treeCtrl->GetSelections(array); wxLogMessage(wxT("%u items selected"), count); for ( size_t n = 0; n < count; n++ ) { wxLogMessage(wxT("\t%s"), m_treeCtrl->GetItemText(array.Item(n)).c_str()); } } void MyFrame::OnSelect(wxCommandEvent& event) { m_treeCtrl->SelectItem(m_treeCtrl->GetSelection()); } void MyFrame::OnUnselect(wxCommandEvent& event) { m_treeCtrl->UnselectAll(); } #endif // NO_MULTIPLE_SELECTION void MyFrame::DoSetBold(bool bold) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); m_treeCtrl->SetItemBold(item, bold); } void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); m_treeCtrl->Delete(item); } void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); m_treeCtrl->DeleteChildren(item); } void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event)) { m_treeCtrl->DeleteAllItems(); } void MyFrame::OnRecreate(wxCommandEvent& event) { OnDeleteAll(event); m_treeCtrl->AddTestItemsToTree(5, 2); } void MyFrame::OnSetImageSize(wxCommandEvent& event) { int size = wxGetNumberFromUser("Enter the size for the images to use", "Size: ", "TreeCtrl sample", m_treeCtrl->ImageSize()); if ( size == -1 ) return; m_treeCtrl->CreateImageList(size); wxGetApp().SetShowImages(TRUE); } void MyFrame::OnToggleImages(wxCommandEvent& event) { if ( wxGetApp().ShowImages() ) { m_treeCtrl->CreateImageList(-1); wxGetApp().SetShowImages(FALSE); } else { m_treeCtrl->CreateImageList(0); wxGetApp().SetShowImages(TRUE); } } void MyFrame::OnToggleButtons(wxCommandEvent& event) { #if USE_GENERIC_TREECTRL || !defined(__WXMSW__) if ( wxGetApp().ShowButtons() ) { m_treeCtrl->CreateButtonsImageList(-1); wxGetApp().SetShowButtons(FALSE); } else { m_treeCtrl->CreateButtonsImageList(15); wxGetApp().SetShowButtons(TRUE); } #endif } void MyFrame::OnCollapseAndReset(wxCommandEvent& event) { m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem()); } void MyFrame::OnEnsureVisible(wxCommandEvent& event) { m_treeCtrl->DoEnsureVisible(); } void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event)) { int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1; m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, "2nd item"); } void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event)) { static int s_num = 0; wxString text; text.Printf(wxT("Item #%d"), ++s_num); m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(), text /*, MyTreeCtrl::TreeCtrlIcon_File */ ); } void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event)) { unsigned int indent = m_treeCtrl->GetIndent(); if (indent < 100) m_treeCtrl->SetIndent( indent+5 ); } void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event)) { unsigned int indent = m_treeCtrl->GetIndent(); if (indent > 10) m_treeCtrl->SetIndent( indent-5 ); } void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event)) { unsigned int indent = m_treeCtrl->GetSpacing(); if (indent < 100) m_treeCtrl->SetSpacing( indent+5 ); } void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event)) { unsigned int indent = m_treeCtrl->GetSpacing(); if (indent > 10) m_treeCtrl->SetSpacing( indent-5 ); } void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetSelection(); CHECK_ITEM( item ); m_treeCtrl->DoToggleIcon(item); } void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event)) { wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour()); if ( col.Ok() ) m_treeCtrl->SetForegroundColour(col); } void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event)) { wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour()); if ( col.Ok() ) m_treeCtrl->SetBackgroundColour(col); } // MyTreeCtrl implementation #if USE_GENERIC_TREECTRL IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl) #else IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl) #endif MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id, const wxPoint& pos, const wxSize& size, long style) : wxTreeCtrl(parent, id, pos, size, style) { m_reverseSort = FALSE; CreateImageList(); // Add some items to the tree AddTestItemsToTree(5, 2); } void MyTreeCtrl::CreateImageList(int size) { if ( size == -1 ) { SetImageList(NULL); return; } if ( size == 0 ) size = m_imageSize; else m_imageSize = size; // Make an image list containing small icons wxImageList *images = new wxImageList(size, size, TRUE); // should correspond to TreeCtrlIcon_xxx enum #if defined(__WXMSW__) && defined(__WIN16__) images->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap3", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap4", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap5", wxBITMAP_TYPE_BMP_RESOURCE)); #else // !MSW wxBusyCursor wait; wxIcon icons[5]; icons[0] = wxICON(icon1); icons[1] = wxICON(icon2); icons[2] = wxICON(icon3); icons[3] = wxICON(icon4); icons[4] = wxICON(icon5); int sizeOrig = icons[0].GetWidth(); for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) { if ( size == sizeOrig ) { images->Add(icons[i]); } else { images->Add(wxImage(icons[i]).Rescale(size, size). ConvertToBitmap()); } } #endif // MSW/!MSW AssignImageList(images); } void MyTreeCtrl::CreateButtonsImageList(int size) { #if USE_GENERIC_TREECTRL || !defined(__WXMSW__) if ( size == -1 ) { SetButtonsImageList(NULL); return; } // Make an image list containing small icons wxImageList *images = new wxImageList(size, size, TRUE); // should correspond to TreeCtrlIcon_xxx enum #if defined(__WXMSW__) && defined(__WIN16__) images->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap3", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap4", wxBITMAP_TYPE_BMP_RESOURCE)); images->Add(wxBitmap("bitmap5", wxBITMAP_TYPE_BMP_RESOURCE)); #else // !MSW wxBusyCursor wait; wxIcon icons[4]; icons[0] = wxICON(icon3); // closed icons[1] = wxICON(icon3); // closed, selected icons[2] = wxICON(icon5); // open icons[3] = wxICON(icon5); // open, selected for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) { int sizeOrig = icons[i].GetWidth(); if ( size == sizeOrig ) { images->Add(icons[i]); } else { images->Add(wxImage(icons[i]).Rescale(size, size). ConvertToBitmap()); } } #endif // MSW/!MSW AssignButtonsImageList(images); #endif } MyTreeCtrl::~MyTreeCtrl() { } int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1, const wxTreeItemId& item2) { if ( m_reverseSort ) { // just exchange 1st and 2nd items return wxTreeCtrl::OnCompareItems(item2, item1); } else { return wxTreeCtrl::OnCompareItems(item1, item2); } } void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent, size_t numChildren, size_t depth, size_t folder) { if ( depth > 0 ) { bool hasChildren = depth > 1; wxString str; for ( size_t n = 0; n < numChildren; n++ ) { // at depth 1 elements won't have any more children if ( hasChildren ) str.Printf(wxT("%s child %d"), wxT("Folder"), n + 1); else str.Printf(wxT("%s child %d.%d"), wxT("File"), folder, n + 1); // here we pass to AppendItem() normal and selected item images (we // suppose that selected image follows the normal one in the enum) int image, imageSel; if ( wxGetApp().ShowImages() ) { image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder; imageSel = image + 1; } else { image = imageSel = -1; } wxTreeItemId id = AppendItem(idParent, str, image, imageSel, new MyTreeItemData(str)); // and now we also set the expanded one (only for the folders) if ( hasChildren && wxGetApp().ShowImages() ) { SetItemImage(id, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded); } // remember the last child for OnEnsureVisible() if ( !hasChildren && n == numChildren - 1 ) { m_lastItem = id; } AddItemsRecursively(id, numChildren, depth - 1, n + 1); } } //else: done! } void MyTreeCtrl::AddTestItemsToTree(size_t numChildren, size_t depth) { int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1; wxTreeItemId rootId = AddRoot("Root", image, image, new MyTreeItemData("Root item")); if ( image != -1 ) { SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded); } AddItemsRecursively(rootId, numChildren, depth, 0); // set some colours/fonts for testing SetItemFont(rootId, *wxITALIC_FONT); long cookie; wxTreeItemId id = GetFirstChild(rootId, cookie); SetItemTextColour(id, *wxBLUE); id = GetNextChild(rootId, cookie); id = GetNextChild(rootId, cookie); SetItemTextColour(id, *wxRED); SetItemBackgroundColour(id, *wxLIGHT_GREY); } void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent, long cookie) { wxTreeItemId id; if( cookie == -1 ) id = GetFirstChild(idParent, cookie); else id = GetNextChild(idParent, cookie); if(id <= 0) return; wxString text = GetItemText(id); wxLogMessage(text); if (ItemHasChildren(id)) GetItemsRecursively(id,-1); GetItemsRecursively(idParent, cookie); } void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item) { int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File : TreeCtrlIcon_Folder; SetItemImage(item, image); } // avoid repetition #define TREE_EVENT_HANDLER(name) \ void MyTreeCtrl::name(wxTreeEvent& event) \ { \ wxLogMessage(wxT(#name)); \ event.Skip(); \ } TREE_EVENT_HANDLER(OnBeginRDrag) TREE_EVENT_HANDLER(OnDeleteItem) TREE_EVENT_HANDLER(OnGetInfo) TREE_EVENT_HANDLER(OnSetInfo) TREE_EVENT_HANDLER(OnItemExpanded) TREE_EVENT_HANDLER(OnItemExpanding) TREE_EVENT_HANDLER(OnItemCollapsed) TREE_EVENT_HANDLER(OnSelChanged) TREE_EVENT_HANDLER(OnSelChanging) TREE_EVENT_HANDLER(OnTreeKeyDown) #undef TREE_EVENT_HANDLER void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event) { // need to explicitly allow drag if ( event.GetItem() != GetRootItem() ) { m_draggedItem = event.GetItem(); wxLogMessage(wxT("OnBeginDrag: started dragging %s"), GetItemText(m_draggedItem).c_str()); event.Allow(); } else { wxLogMessage(wxT("OnBeginDrag: this item can't be dragged.")); } } void MyTreeCtrl::OnEndDrag(wxTreeEvent& event) { wxTreeItemId itemSrc = m_draggedItem, itemDst = event.GetItem(); m_draggedItem = (wxTreeItemId)0l; // where to copy the item? if ( itemDst.IsOk() && !ItemHasChildren(itemDst) ) { // copy to the parent then itemDst = GetParent(itemDst); } if ( !itemDst.IsOk() ) { wxLogMessage(wxT("OnEndDrag: can't drop here.")); return; } wxString text = GetItemText(itemSrc); wxLogMessage(wxT("OnEndDrag: '%s' copied to '%s'."), text.c_str(), GetItemText(itemDst).c_str()); // just do append here - we could also insert it just before/after the item // on which it was dropped, but this requires slightly more work... we also // completely ignore the client data and icon of the old item but could // copy them as well. // // Finally, we only copy one item here but we might copy the entire tree if // we were dragging a folder. int image = wxGetApp().ShowImages() ? TreeCtrlIcon_File : -1; AppendItem(itemDst, text, image); } void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event) { wxLogMessage(wxT("OnBeginLabelEdit")); // for testing, prevent this item's label editing wxTreeItemId itemId = event.GetItem(); if ( IsTestItem(itemId) ) { wxMessageBox(wxT("You can't edit this item.")); event.Veto(); } } void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event) { wxLogMessage(wxT("OnEndLabelEdit")); // don't allow anything except letters in the labels if ( !event.GetLabel().IsWord() ) { wxMessageBox(wxT("The label should contain only letters.")); event.Veto(); } } void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event) { wxLogMessage(wxT("OnItemCollapsing")); // for testing, prevent the user from collapsing the first child folder wxTreeItemId itemId = event.GetItem(); if ( IsTestItem(itemId) ) { wxMessageBox(wxT("You can't collapse this item.")); event.Veto(); } } void MyTreeCtrl::OnItemActivated(wxTreeEvent& event) { // show some info about this item wxTreeItemId itemId = event.GetItem(); MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId); if ( item != NULL ) { item->ShowInfo(this); } wxLogMessage(wxT("OnItemActivated")); } void MyTreeCtrl::OnItemRightClick(wxTreeEvent& event) { ShowMenu(event.GetItem(), event.GetPoint()); } void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event) { wxPoint pt = event.GetPosition(); ShowMenu(HitTest(pt), pt); } void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt) { wxString title; if ( id.IsOk() ) { title << _T("Menu for ") << GetItemText(id); } else { title = _T("Menu for no particular item"); } #if wxUSE_MENUS wxMenu menu(title); menu.Append(TreeTest_About, _T("&About...")); menu.Append(TreeTest_Dump, _T("&Dump")); PopupMenu(&menu, pt); #endif // wxUSE_MENUS } void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event) { wxTreeItemId id = HitTest(event.GetPosition()); if ( !id ) wxLogMessage(wxT("No item under mouse")); else { MyTreeItemData *item = (MyTreeItemData *)GetItemData(id); if ( item ) wxLogMessage(wxT("Item '%s' under mouse"), item->GetDesc()); } } static inline const wxChar *Bool2String(bool b) { return b ? wxT("") : wxT("not "); } void MyTreeItemData::ShowInfo(wxTreeCtrl *tree) { wxLogMessage(wxT("Item '%s': %sselected, %sexpanded, %sbold,\n") wxT("%u children (%u immediately under this item)."), m_desc.c_str(), Bool2String(tree->IsSelected(GetId())), Bool2String(tree->IsExpanded(GetId())), Bool2String(tree->IsBold(GetId())), tree->GetChildrenCount(GetId()), tree->GetChildrenCount(GetId(), FALSE)); }