///////////////////////////////////////////////////////////////////////////// // Name: treetest.cpp // Purpose: wxTreeCtrl sample // Author: Julian Smart // Modified by: // Created: 04/01/98 // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifndef WX_PRECOMP #include "wx/wx.h" #include "wx/log.h" #endif #include "wx/colordlg.h" #include "wx/numdlg.h" #include "wx/artprov.h" #include "wx/image.h" #include "wx/imaglist.h" #include "wx/treectrl.h" #include "wx/math.h" #include "wx/renderer.h" #include "wx/wupdlock.h" #ifdef __WIN32__ // this is not supported by native control #define NO_VARIABLE_HEIGHT #endif #include "treetest.h" #include "icon1.xpm" #include "icon2.xpm" #include "icon3.xpm" #include "icon4.xpm" #include "icon5.xpm" #include "state1.xpm" #include "state2.xpm" #include "state3.xpm" #include "state4.xpm" #include "state5.xpm" #include "unchecked.xpm" #include "checked.xpm" #ifndef wxHAS_IMAGES_IN_RESOURCES #include "../sample.xpm" #endif static const int NUM_CHILDREN_PER_LEVEL = 5; static const int NUM_LEVELS = 2; // verify that the item is ok and insult the user if it is not #define CHECK_ITEM( item ) if ( !item.IsOk() ) { \ wxMessageBox("Please select some item first!", \ "Tree sample error", \ wxOK | wxICON_EXCLAMATION, \ this); \ return; \ } #define MENU_LINK(name) EVT_MENU(TreeTest_##name, MyFrame::On##name) wxBEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_IDLE(MyFrame::OnIdle) EVT_SIZE(MyFrame::OnSize) MENU_LINK(Quit) MENU_LINK(About) MENU_LINK(ClearLog) 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(Highlight) MENU_LINK(Dump) #ifndef NO_MULTIPLE_SELECTION MENU_LINK(DumpSelected) MENU_LINK(Select) MENU_LINK(Unselect) MENU_LINK(ToggleSel) MENU_LINK(SelectChildren) #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(FreezeThaw) MENU_LINK(ToggleImages) MENU_LINK(ToggleStates) MENU_LINK(ToggleBell) MENU_LINK(ToggleAlternateImages) MENU_LINK(ToggleAlternateStates) MENU_LINK(ToggleButtons) MENU_LINK(SetImageSize) MENU_LINK(CollapseAndReset) MENU_LINK(EnsureVisible) MENU_LINK(SetFocus) MENU_LINK(AddItem) MENU_LINK(AddManyItems) MENU_LINK(InsertItem) MENU_LINK(IncIndent) MENU_LINK(DecIndent) MENU_LINK(IncSpacing) MENU_LINK(DecSpacing) MENU_LINK(ToggleIcon) MENU_LINK(ToggleState) MENU_LINK(SelectRoot) MENU_LINK(SetFocusedRoot) MENU_LINK(ClearFocused) MENU_LINK(ShowFirstVisible) #ifdef wxHAS_LAST_VISIBLE MENU_LINK(ShowLastVisible) #endif // wxHAS_LAST_VISIBLE MENU_LINK(ShowNextVisible) MENU_LINK(ShowPrevVisible) MENU_LINK(ShowParent) MENU_LINK(ShowPrevSibling) MENU_LINK(ShowNextSibling) MENU_LINK(ScrollTo) MENU_LINK(SelectLast) #undef MENU_LINK wxEND_EVENT_TABLE() #if USE_GENERIC_TREECTRL wxBEGIN_EVENT_TABLE(MyTreeCtrl, wxGenericTreeCtrl) #else wxBEGIN_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_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_TREE_STATE_IMAGE_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemStateClick) // so many different ways to handle right mouse button clicks... EVT_CONTEXT_MENU(MyTreeCtrl::OnContextMenu) // EVT_TREE_ITEM_MENU is the preferred event for creating context menus // on a tree control, because it includes the point of the click or item, // meaning that no additional placement calculations are required. EVT_TREE_ITEM_MENU(TreeTest_Ctrl, MyTreeCtrl::OnItemMenu) EVT_TREE_ITEM_RIGHT_CLICK(TreeTest_Ctrl, MyTreeCtrl::OnItemRClick) EVT_RIGHT_DOWN(MyTreeCtrl::OnRMouseDown) EVT_RIGHT_UP(MyTreeCtrl::OnRMouseUp) EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick) wxEND_EVENT_TABLE() wxIMPLEMENT_APP(MyApp); bool MyApp::OnInit() { if ( !wxApp::OnInit() ) return false; // Create the main frame window MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 600); // Show the frame frame->Show(true); return true; } // My frame constructor MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h) : wxFrame((wxFrame *)NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)), m_treeCtrl(NULL) #if wxUSE_LOG , m_textCtrl(NULL) #endif // wxUSE_LOG { // 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(*wxWHITE); // Give it an icon SetIcon(wxICON(sample)); #if wxUSE_MENUS // Make a menubar wxMenu *file_menu = new wxMenu, *style_menu = new wxMenu, *tree_menu = new wxMenu, *item_menu = new wxMenu; #if wxUSE_LOG file_menu->Append(TreeTest_ClearLog, "&Clear log\tCtrl-L"); file_menu->AppendSeparator(); #endif // wxUSE_LOG file_menu->Append(TreeTest_About, "&About"); file_menu->AppendSeparator(); file_menu->Append(TreeTest_Quit, "E&xit\tAlt-X"); style_menu->AppendCheckItem(TreeTest_TogButtons, "Toggle &normal buttons"); style_menu->AppendCheckItem(TreeTest_TogTwist, "Toggle &twister buttons"); style_menu->AppendCheckItem(TreeTest_ToggleButtons, "Toggle image &buttons"); style_menu->AppendSeparator(); style_menu->AppendCheckItem(TreeTest_TogLines, "Toggle &no lines"); style_menu->AppendCheckItem(TreeTest_TogRootLines, "Toggle &lines at root"); style_menu->AppendCheckItem(TreeTest_TogHideRoot, "Toggle &hidden root"); style_menu->AppendCheckItem(TreeTest_TogBorder, "Toggle &item border"); style_menu->AppendCheckItem(TreeTest_TogFullHighlight, "Toggle &full row highlight"); style_menu->AppendCheckItem(TreeTest_TogEdit, "Toggle &edit mode"); #ifndef NO_MULTIPLE_SELECTION style_menu->AppendCheckItem(TreeTest_ToggleSel, "Toggle &selection mode\tCtrl-S"); #endif // NO_MULTIPLE_SELECTION style_menu->AppendCheckItem(TreeTest_ToggleImages, "Toggle show ima&ges"); style_menu->AppendCheckItem(TreeTest_ToggleStates, "Toggle show st&ates"); style_menu->AppendCheckItem(TreeTest_ToggleBell, "Toggle &bell on no match"); style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, "Toggle alternate images"); style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, "Toggle alternate state images"); style_menu->Append(TreeTest_SetImageSize, "Set image si&ze..."); style_menu->AppendSeparator(); style_menu->Append(TreeTest_SetFgColour, "Set &foreground colour..."); style_menu->Append(TreeTest_SetBgColour, "Set &background colour..."); style_menu->AppendSeparator(); style_menu->Append(TreeTest_ResetStyle, "&Reset to default\tF10"); tree_menu->AppendCheckItem(TreeTest_FreezeThaw, "&Freeze the tree"); 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_AddManyItems, "Appends &many items"); 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->Append(TreeTest_SelectRoot, "Select root item"); tree_menu->AppendSeparator(); tree_menu->Append(TreeTest_SetFocusedRoot, "Set focus to root item"); tree_menu->Append(TreeTest_ClearFocused, "Reset focus"); 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->Append(TreeTest_SetFocus, "Set &focus to the tree"); 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"); item_menu->Append(TreeTest_ToggleState, "Toggle the item's &state"); item_menu->AppendSeparator(); item_menu->Append(TreeTest_ShowFirstVisible, "Show &first visible"); #ifdef wxHAS_LAST_VISIBLE item_menu->Append(TreeTest_ShowLastVisible, "Show &last visible"); #endif // wxHAS_LAST_VISIBLE item_menu->Append(TreeTest_ShowNextVisible, "Show &next visible"); item_menu->Append(TreeTest_ShowPrevVisible, "Show &previous visible"); item_menu->AppendSeparator(); item_menu->Append(TreeTest_ShowParent, "Show pa&rent"); item_menu->Append(TreeTest_ShowPrevSibling, "Show &previous sibling"); item_menu->Append(TreeTest_ShowNextSibling, "Show &next sibling"); item_menu->AppendSeparator(); item_menu->Append(TreeTest_ScrollTo, "Scroll &to item", "Scroll to the last by one top level child"); item_menu->Append(TreeTest_SelectLast, "Select &last item", "Select the last item"); #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"); item_menu->Append(TreeTest_SelectChildren, "Select all children\tCtrl-A"); #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 m_panel = new wxPanel(this); #if wxUSE_LOG // create the controls m_textCtrl = new wxTextCtrl(m_panel, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxSUNKEN_BORDER); #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 #endif // wxUSE_LOG CreateTreeWithDefStyle(); menu_bar->Check(TreeTest_ToggleImages, true); menu_bar->Check(TreeTest_ToggleStates, true); menu_bar->Check(TreeTest_ToggleAlternateImages, false); menu_bar->Check(TreeTest_ToggleAlternateStates, false); #if wxUSE_STATUSBAR // create a status bar CreateStatusBar(2); #endif // wxUSE_STATUSBAR } MyFrame::~MyFrame() { #if wxUSE_LOG delete wxLog::SetActiveTarget(NULL); #endif // wxUSE_LOG } 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(m_panel, TreeTest_Ctrl, wxDefaultPosition, wxDefaultSize, style); GetMenuBar()->Enable(TreeTest_SelectRoot, !(style & wxTR_HIDE_ROOT)); 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::OnIdle(wxIdleEvent& event) { #if wxUSE_STATUSBAR if ( m_treeCtrl ) { wxTreeItemId idRoot = m_treeCtrl->GetRootItem(); wxString status; if (idRoot.IsOk()) { wxTreeItemId idLast = m_treeCtrl->GetLastTreeITem(); status = wxString::Format( "Root/last item is %svisible/%svisible", m_treeCtrl->IsVisible(idRoot) ? "" : "not ", idLast.IsOk() && m_treeCtrl->IsVisible(idLast) ? "" : "not "); } else status = "No root item"; SetStatusText(status, 1); } #endif // wxUSE_STATUSBAR event.Skip(); } void MyFrame::OnSize(wxSizeEvent& event) { if ( m_treeCtrl #if wxUSE_LOG && m_textCtrl #endif // wxUSE_LOG ) { Resize(); } event.Skip(); } void MyFrame::Resize() { wxSize size = GetClientSize(); m_treeCtrl->SetSize(0, 0, size.x, size.y #if wxUSE_LOG *2/3); m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3 #endif ); } 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::OnClearLog(wxCommandEvent& WXUNUSED(event)) { m_textCtrl->Clear(); } void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); 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.empty() ) { 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->GetFocusedItem(); CHECK_ITEM( item ); int i = m_treeCtrl->GetChildrenCount( item, false ); wxLogMessage("%d children", i); } void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); int i = m_treeCtrl->GetChildrenCount( item ); wxLogMessage("%d children", i); } void MyFrame::DoSort(bool reverse) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->DoSortChildren(item, reverse); } void MyFrame::OnHighlight(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId id = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( id ); wxRect r; if ( !m_treeCtrl->GetBoundingRect(id, r, true /* text, not full row */) ) { wxLogMessage("Failed to get bounding item rect"); return; } wxClientDC dc(m_treeCtrl); dc.SetBrush(*wxRED); dc.SetPen(*wxTRANSPARENT_PEN); dc.DrawRectangle(r); m_treeCtrl->Update(); } void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId root = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( root ); m_treeCtrl->GetItemsRecursively(root); } #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("%u items selected", unsigned(count)); for ( size_t n = 0; n < count; n++ ) { wxLogMessage("\t%s", m_treeCtrl->GetItemText(array.Item(n))); } } void MyFrame::OnSelect(wxCommandEvent& WXUNUSED(event)) { const wxTreeItemId focus = m_treeCtrl->GetFocusedItem(); if ( focus.IsOk() ) m_treeCtrl->SelectItem(focus); } void MyFrame::OnSelectRoot(wxCommandEvent& WXUNUSED(event)) { if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) ) m_treeCtrl->SelectItem(m_treeCtrl->GetRootItem()); } void MyFrame::OnSetFocusedRoot(wxCommandEvent& WXUNUSED(event)) { if ( !m_treeCtrl->HasFlag(wxTR_HIDE_ROOT) ) m_treeCtrl->SetFocusedItem(m_treeCtrl->GetRootItem()); } void MyFrame::OnClearFocused(wxCommandEvent& WXUNUSED(event)) { m_treeCtrl->ClearFocusedItem(); } void MyFrame::OnUnselect(wxCommandEvent& WXUNUSED(event)) { m_treeCtrl->UnselectAll(); } void MyFrame::OnSelectChildren(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); if ( !item.IsOk() ) item = m_treeCtrl->GetRootItem(); m_treeCtrl->SelectChildren(item); } #endif // NO_MULTIPLE_SELECTION void MyFrame::DoSetBold(bool bold) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->SetItemBold(item, bold); } void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->Delete(item); } void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->DeleteChildren(item); } void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event)) { m_treeCtrl->DeleteAllItems(); } void MyFrame::OnFreezeThaw(wxCommandEvent& event) { if ( event.IsChecked() ) m_treeCtrl->Freeze(); else m_treeCtrl->Thaw(); wxLogMessage("The tree is %sfrozen", m_treeCtrl->IsFrozen() ? "" : "not "); } void MyFrame::OnRecreate(wxCommandEvent& event) { OnDeleteAll(event); m_treeCtrl->AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS); } void MyFrame::OnSetImageSize(wxCommandEvent& WXUNUSED(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& WXUNUSED(event)) { if ( wxGetApp().ShowImages() ) { m_treeCtrl->CreateImageList(-1); wxGetApp().SetShowImages(false); } else { m_treeCtrl->CreateImageList(0); wxGetApp().SetShowImages(true); } } void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event)) { if ( wxGetApp().ShowStates() ) { m_treeCtrl->CreateStateImageList(true); wxGetApp().SetShowStates(false); } else { m_treeCtrl->CreateStateImageList(false); wxGetApp().SetShowStates(true); } } void MyFrame::OnToggleBell(wxCommandEvent& event) { m_treeCtrl->EnableBellOnNoMatch(event.IsChecked()); } void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event)) { bool alternateImages = m_treeCtrl->AlternateImages(); m_treeCtrl->SetAlternateImages(!alternateImages); m_treeCtrl->CreateImageList(0); } void MyFrame::OnToggleAlternateStates(wxCommandEvent& WXUNUSED(event)) { bool alternateStates = m_treeCtrl->AlternateStates(); m_treeCtrl->SetAlternateStates(!alternateStates); m_treeCtrl->CreateStateImageList(); // normal states < alternate states // so we must reset broken states if ( alternateStates ) m_treeCtrl->ResetBrokenStateImages(); } void MyFrame::OnToggleButtons(wxCommandEvent& WXUNUSED(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& WXUNUSED(event)) { m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem()); } void MyFrame::OnEnsureVisible(wxCommandEvent& WXUNUSED(event)) { const wxTreeItemId idLast = m_treeCtrl->GetLastTreeITem(); if ( idLast.IsOk() ) m_treeCtrl->EnsureVisible(idLast); else wxLogMessage("No last item"); } void MyFrame::OnSetFocus(wxCommandEvent& WXUNUSED(event)) { m_treeCtrl->SetFocus(); } 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("Item #%d", ++s_num); m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(), text /*, MyTreeCtrl::TreeCtrlIcon_File */ ); } void MyFrame::OnAddManyItems(wxCommandEvent& WXUNUSED(event)) { wxWindowUpdateLocker lockUpdates(this); const wxTreeItemId root = m_treeCtrl->GetRootItem(); for ( int n = 0; n < 1000; n++ ) { m_treeCtrl->AppendItem(root, wxString::Format("Item #%03d", n)); } } 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 ); m_treeCtrl->Refresh(); } } void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event)) { unsigned int indent = m_treeCtrl->GetSpacing(); if (indent > 10) { m_treeCtrl->SetSpacing( indent-5 ); m_treeCtrl->Refresh(); } } void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->DoToggleIcon(item); } void MyFrame::OnToggleState(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); m_treeCtrl->DoToggleState(item); } void MyFrame::DoShowFirstOrLast(TreeFunc0_t pfn, const wxString& label) { const wxTreeItemId item = (m_treeCtrl->*pfn)(); if ( !item.IsOk() ) { wxLogMessage("There is no %s item", label); } else { wxLogMessage("The %s item is \"%s\"", label, m_treeCtrl->GetItemText(item)); } } void MyFrame::DoShowRelativeItem(TreeFunc1_t pfn, const wxString& label) { wxTreeItemId item = m_treeCtrl->GetFocusedItem(); CHECK_ITEM( item ); if ((pfn == (TreeFunc1_t) &wxTreeCtrl::GetPrevVisible || pfn == (TreeFunc1_t) &wxTreeCtrl::GetNextVisible) && !m_treeCtrl->IsVisible(item)) { wxLogMessage("The selected item must be visible."); return; } wxTreeItemId new_item = (m_treeCtrl->*pfn)(item); if ( !new_item.IsOk() ) { wxLogMessage("There is no %s item", label); } else { wxLogMessage("The %s item is \"%s\"", label, m_treeCtrl->GetItemText(new_item)); } } void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event)) { // scroll to the last but one top level child wxTreeItemId item = m_treeCtrl->GetPrevSibling( m_treeCtrl->GetLastChild( m_treeCtrl->GetRootItem())); CHECK_ITEM( item ); m_treeCtrl->ScrollTo(item); } void MyFrame::OnSelectLast(wxCommandEvent& WXUNUSED(event)) { wxTreeItemId item = m_treeCtrl->GetLastTreeITem(); CHECK_ITEM( item ); m_treeCtrl->SelectItem(item); } void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event)) { wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour()); if ( col.IsOk() ) m_treeCtrl->SetForegroundColour(col); } void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event)) { wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour()); if ( col.IsOk() ) m_treeCtrl->SetBackgroundColour(col); } // MyTreeCtrl implementation #if USE_GENERIC_TREECTRL wxIMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxGenericTreeCtrl); #else wxIMPLEMENT_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_alternateImages(false), m_alternateStates(false) { m_reverseSort = false; CreateImageList(); CreateStateImageList(); // Add some items to the tree AddTestItemsToTree(NUM_CHILDREN_PER_LEVEL, NUM_LEVELS); } 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 wxBusyCursor wait; wxIcon icons[5]; if (m_alternateImages) { icons[TreeCtrlIcon_File] = wxIcon(icon1_xpm); icons[TreeCtrlIcon_FileSelected] = wxIcon(icon2_xpm); icons[TreeCtrlIcon_Folder] = wxIcon(icon3_xpm); icons[TreeCtrlIcon_FolderSelected] = wxIcon(icon4_xpm); icons[TreeCtrlIcon_FolderOpened] = wxIcon(icon5_xpm); } else { wxSize iconSize(size, size); icons[TreeCtrlIcon_File] = icons[TreeCtrlIcon_FileSelected] = wxArtProvider::GetIcon(wxART_NORMAL_FILE, wxART_LIST, iconSize); icons[TreeCtrlIcon_Folder] = icons[TreeCtrlIcon_FolderSelected] = icons[TreeCtrlIcon_FolderOpened] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize); } for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) { int sizeOrig = icons[0].GetWidth(); if ( size == sizeOrig ) { images->Add(icons[i]); } else { images->Add(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size))); } } AssignImageList(images); } void MyTreeCtrl::CreateStateImageList(bool del) { if ( del ) { SetStateImageList(NULL); return; } wxImageList *states; wxBusyCursor wait; if (m_alternateStates) { wxIcon icons[5]; icons[0] = wxIcon(state1_xpm); // yellow icons[1] = wxIcon(state2_xpm); // green icons[2] = wxIcon(state3_xpm); // red icons[3] = wxIcon(state4_xpm); // blue icons[4] = wxIcon(state5_xpm); // black int width = icons[0].GetWidth(), height = icons[0].GetHeight(); // Make an state image list containing small icons states = new wxImageList(width, height, true); for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) states->Add(icons[i]); } else { wxIcon icons[2]; icons[0] = wxIcon(unchecked_xpm); icons[1] = wxIcon(checked_xpm); int width = icons[0].GetWidth(), height = icons[0].GetHeight(); // Make an state image list containing small icons states = new wxImageList(width, height, true); for ( size_t i = 0; i < WXSIZEOF(icons); i++ ) states->Add(icons[i]); } AssignStateImageList(states); } #if USE_GENERIC_TREECTRL || (!defined(__WXMSW__) && !defined(__WXQT__)) void MyTreeCtrl::CreateButtonsImageList(int size) { 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 wxBusyCursor wait; wxIcon icons[4]; if (m_alternateImages) { icons[0] = wxIcon(icon3_xpm); // closed icons[1] = wxIcon(icon3_xpm); // closed, selected icons[2] = wxIcon(icon5_xpm); // open icons[3] = wxIcon(icon5_xpm); // open, selected } else { wxSize iconSize(size, size); icons[0] = // closed icons[1] = wxArtProvider::GetIcon(wxART_FOLDER, wxART_LIST, iconSize); // closed, selected icons[2] = // open icons[3] = wxArtProvider::GetIcon(wxART_FOLDER_OPEN, wxART_LIST, iconSize);// 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(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size))); } } AssignButtonsImageList(images); #else void MyTreeCtrl::CreateButtonsImageList(int WXUNUSED(size)) { #endif } 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("%s child %u", "Folder", unsigned(n + 1)); else str.Printf("%s child %u.%u", "File", unsigned(folder), unsigned(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)); if ( wxGetApp().ShowStates() ) SetItemState(id, 0); // and now we also set the expanded one (only for the folders) if ( hasChildren && wxGetApp().ShowImages() ) { SetItemImage(id, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded); } 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 ( !HasFlag(wxTR_HIDE_ROOT) && image != -1 ) { SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded); } AddItemsRecursively(rootId, numChildren, depth, 0); // set some colours/fonts for testing if ( !HasFlag(wxTR_HIDE_ROOT) ) SetItemFont(rootId, *wxITALIC_FONT); wxTreeItemIdValue cookie; wxTreeItemId id = GetFirstChild(rootId, cookie); SetItemTextColour(id, *wxBLUE); id = GetNextChild(rootId, cookie); if ( id ) id = GetNextChild(rootId, cookie); if ( id ) { SetItemTextColour(id, *wxRED); SetItemBackgroundColour(id, *wxLIGHT_GREY); } } wxTreeItemId MyTreeCtrl::GetLastTreeITem() const { wxTreeItemId item = GetRootItem(); for ( ;; ) { wxTreeItemId itemChild = GetLastChild(item); if ( !itemChild.IsOk() ) break; item = itemChild; } return item; } void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent, wxTreeItemIdValue cookie) { wxTreeItemId id; if ( !cookie ) id = GetFirstChild(idParent, cookie); else id = GetNextChild(idParent, cookie); if ( !id.IsOk() ) return; wxString text = GetItemText(id); wxLogMessage(text); if (ItemHasChildren(id)) GetItemsRecursively(id); GetItemsRecursively(idParent, cookie); } void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item) { int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File : TreeCtrlIcon_Folder; SetItemImage(item, image, wxTreeItemIcon_Normal); image = GetItemImage(item, wxTreeItemIcon_Selected) == TreeCtrlIcon_FolderSelected ? TreeCtrlIcon_FileSelected : TreeCtrlIcon_FolderSelected; SetItemImage(item, image, wxTreeItemIcon_Selected); } void MyTreeCtrl::DoToggleState(const wxTreeItemId& item) { if ( m_alternateStates ) { // sets random state unlike current int state = GetItemState(item); int nState; srand (time(NULL)); do { nState = rand() % GetStateImageList()->GetImageCount(); } while (nState == state); SetItemState(item, nState); } else { // we have only 2 checkbox states, so next state will be reversed SetItemState(item, wxTREE_ITEMSTATE_NEXT); } } void MyTreeCtrl::DoResetBrokenStateImages(const wxTreeItemId& idParent, wxTreeItemIdValue cookie, int state) { wxTreeItemId id; if ( !cookie ) id = GetFirstChild(idParent, cookie); else id = GetNextChild(idParent, cookie); if ( !id.IsOk() ) return; int curState = GetItemState(id); if ( curState != wxTREE_ITEMSTATE_NONE && curState > state ) SetItemState(id, state); if (ItemHasChildren(id)) DoResetBrokenStateImages(id, 0, state); DoResetBrokenStateImages(idParent, cookie, state); } void MyTreeCtrl::LogEvent(const wxString& name, const wxTreeEvent& event) { wxTreeItemId item = event.GetItem(); wxString text; if ( item.IsOk() ) text << '"' << GetItemText(item).c_str() << '"'; else text = "invalid item"; wxLogMessage("%s(%s)", name, text); } // avoid repetition #define TREE_EVENT_HANDLER(name) \ void MyTreeCtrl::name(wxTreeEvent& event) \ { \ LogEvent(#name, event); \ 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) #undef TREE_EVENT_HANDLER void LogKeyEvent(const wxString& name, const wxKeyEvent& event) { wxString key; long keycode = event.GetKeyCode(); { switch ( keycode ) { case WXK_BACK: key = "BACK"; break; case WXK_TAB: key = "TAB"; break; case WXK_RETURN: key = "RETURN"; break; case WXK_ESCAPE: key = "ESCAPE"; break; case WXK_SPACE: key = "SPACE"; break; case WXK_DELETE: key = "DELETE"; break; case WXK_START: key = "START"; break; case WXK_LBUTTON: key = "LBUTTON"; break; case WXK_RBUTTON: key = "RBUTTON"; break; case WXK_CANCEL: key = "CANCEL"; break; case WXK_MBUTTON: key = "MBUTTON"; break; case WXK_CLEAR: key = "CLEAR"; break; case WXK_SHIFT: key = "SHIFT"; break; case WXK_ALT: key = "ALT"; break; case WXK_CONTROL: key = "CONTROL"; break; case WXK_MENU: key = "MENU"; break; case WXK_PAUSE: key = "PAUSE"; break; case WXK_CAPITAL: key = "CAPITAL"; break; case WXK_END: key = "END"; break; case WXK_HOME: key = "HOME"; break; case WXK_LEFT: key = "LEFT"; break; case WXK_UP: key = "UP"; break; case WXK_RIGHT: key = "RIGHT"; break; case WXK_DOWN: key = "DOWN"; break; case WXK_SELECT: key = "SELECT"; break; case WXK_PRINT: key = "PRINT"; break; case WXK_EXECUTE: key = "EXECUTE"; break; case WXK_SNAPSHOT: key = "SNAPSHOT"; break; case WXK_INSERT: key = "INSERT"; break; case WXK_HELP: key = "HELP"; break; case WXK_NUMPAD0: key = "NUMPAD0"; break; case WXK_NUMPAD1: key = "NUMPAD1"; break; case WXK_NUMPAD2: key = "NUMPAD2"; break; case WXK_NUMPAD3: key = "NUMPAD3"; break; case WXK_NUMPAD4: key = "NUMPAD4"; break; case WXK_NUMPAD5: key = "NUMPAD5"; break; case WXK_NUMPAD6: key = "NUMPAD6"; break; case WXK_NUMPAD7: key = "NUMPAD7"; break; case WXK_NUMPAD8: key = "NUMPAD8"; break; case WXK_NUMPAD9: key = "NUMPAD9"; break; case WXK_MULTIPLY: key = "MULTIPLY"; break; case WXK_ADD: key = "ADD"; break; case WXK_SEPARATOR: key = "SEPARATOR"; break; case WXK_SUBTRACT: key = "SUBTRACT"; break; case WXK_DECIMAL: key = "DECIMAL"; break; case WXK_DIVIDE: key = "DIVIDE"; break; case WXK_F1: key = "F1"; break; case WXK_F2: key = "F2"; break; case WXK_F3: key = "F3"; break; case WXK_F4: key = "F4"; break; case WXK_F5: key = "F5"; break; case WXK_F6: key = "F6"; break; case WXK_F7: key = "F7"; break; case WXK_F8: key = "F8"; break; case WXK_F9: key = "F9"; break; case WXK_F10: key = "F10"; break; case WXK_F11: key = "F11"; break; case WXK_F12: key = "F12"; break; case WXK_F13: key = "F13"; break; case WXK_F14: key = "F14"; break; case WXK_F15: key = "F15"; break; case WXK_F16: key = "F16"; break; case WXK_F17: key = "F17"; break; case WXK_F18: key = "F18"; break; case WXK_F19: key = "F19"; break; case WXK_F20: key = "F20"; break; case WXK_F21: key = "F21"; break; case WXK_F22: key = "F22"; break; case WXK_F23: key = "F23"; break; case WXK_F24: key = "F24"; break; case WXK_NUMLOCK: key = "NUMLOCK"; break; case WXK_SCROLL: key = "SCROLL"; break; case WXK_PAGEUP: key = "PAGEUP"; break; case WXK_PAGEDOWN: key = "PAGEDOWN"; break; case WXK_NUMPAD_SPACE: key = "NUMPAD_SPACE"; break; case WXK_NUMPAD_TAB: key = "NUMPAD_TAB"; break; case WXK_NUMPAD_ENTER: key = "NUMPAD_ENTER"; break; case WXK_NUMPAD_F1: key = "NUMPAD_F1"; break; case WXK_NUMPAD_F2: key = "NUMPAD_F2"; break; case WXK_NUMPAD_F3: key = "NUMPAD_F3"; break; case WXK_NUMPAD_F4: key = "NUMPAD_F4"; break; case WXK_NUMPAD_HOME: key = "NUMPAD_HOME"; break; case WXK_NUMPAD_LEFT: key = "NUMPAD_LEFT"; break; case WXK_NUMPAD_UP: key = "NUMPAD_UP"; break; case WXK_NUMPAD_RIGHT: key = "NUMPAD_RIGHT"; break; case WXK_NUMPAD_DOWN: key = "NUMPAD_DOWN"; break; case WXK_NUMPAD_PAGEUP: key = "NUMPAD_PAGEUP"; break; case WXK_NUMPAD_PAGEDOWN: key = "NUMPAD_PAGEDOWN"; break; case WXK_NUMPAD_END: key = "NUMPAD_END"; break; case WXK_NUMPAD_BEGIN: key = "NUMPAD_BEGIN"; break; case WXK_NUMPAD_INSERT: key = "NUMPAD_INSERT"; break; case WXK_NUMPAD_DELETE: key = "NUMPAD_DELETE"; break; case WXK_NUMPAD_EQUAL: key = "NUMPAD_EQUAL"; break; case WXK_NUMPAD_MULTIPLY: key = "NUMPAD_MULTIPLY"; break; case WXK_NUMPAD_ADD: key = "NUMPAD_ADD"; break; case WXK_NUMPAD_SEPARATOR: key = "NUMPAD_SEPARATOR"; break; case WXK_NUMPAD_SUBTRACT: key = "NUMPAD_SUBTRACT"; break; case WXK_NUMPAD_DECIMAL: key = "NUMPAD_DECIMAL"; break; case WXK_BROWSER_BACK: key = "BROWSER_BACK"; break; case WXK_BROWSER_FORWARD: key = "BROWSER_FORWARD"; break; case WXK_BROWSER_REFRESH: key = "BROWSER_REFRESH"; break; case WXK_BROWSER_STOP: key = "BROWSER_STOP"; break; case WXK_BROWSER_SEARCH: key = "BROWSER_SEARCH"; break; case WXK_BROWSER_FAVORITES: key = "BROWSER_FAVORITES"; break; case WXK_BROWSER_HOME: key = "BROWSER_HOME"; break; case WXK_VOLUME_MUTE: key = "VOLUME_MUTE"; break; case WXK_VOLUME_DOWN: key = "VOLUME_DOWN"; break; case WXK_VOLUME_UP: key = "VOLUME_UP"; break; case WXK_MEDIA_NEXT_TRACK: key = "MEDIA_NEXT_TRACK"; break; case WXK_MEDIA_PREV_TRACK: key = "MEDIA_PREV_TRACK"; break; case WXK_MEDIA_STOP: key = "MEDIA_STOP"; break; case WXK_MEDIA_PLAY_PAUSE: key = "MEDIA_PLAY_PAUSE"; break; case WXK_LAUNCH_MAIL: key = "LAUNCH_MAIL"; break; case WXK_LAUNCH_APP1: key = "LAUNCH_APP1"; break; case WXK_LAUNCH_APP2: key = "LAUNCH_APP2"; break; default: { if ( keycode < 128 && wxIsprint((int)keycode) ) key.Printf("'%c'", (char)keycode); else if ( keycode > 0 && keycode < 27 ) key.Printf("Ctrl-%c", 'A' + keycode - 1); else key.Printf("unknown (%ld)", keycode); } } } wxLogMessage( "%s event: %s (flags = %c%c%c%c)", name, key, event.ControlDown() ? 'C' : '-', event.AltDown() ? 'A' : '-', event.ShiftDown() ? 'S' : '-', event.MetaDown() ? 'M' : '-'); } void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent& event) { LogKeyEvent("Tree key down ", event.GetKeyEvent()); event.Skip(); } void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event) { // need to explicitly allow drag if ( event.GetItem() != GetRootItem() ) { m_draggedItem = event.GetItem(); wxPoint clientpt = event.GetPoint(); wxPoint screenpt = ClientToScreen(clientpt); wxLogMessage("OnBeginDrag: started dragging %s at screen coords (%i,%i)", GetItemText(m_draggedItem), screenpt.x, screenpt.y); event.Allow(); } else { wxLogMessage("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 = GetItemParent(itemDst); } if ( !itemDst.IsOk() ) { wxLogMessage("OnEndDrag: can't drop here."); return; } wxString text = GetItemText(itemSrc); wxLogMessage("OnEndDrag: '%s' copied to '%s'.", text, GetItemText(itemDst)); // 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; wxTreeItemId id = AppendItem(itemDst, text, image); if ( wxGetApp().ShowStates() ) SetItemState(id, GetItemState(itemSrc)); } void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event) { wxLogMessage("OnBeginLabelEdit"); // for testing, prevent this item's label editing wxTreeItemId itemId = event.GetItem(); if ( IsTestItem(itemId) ) { wxMessageBox("You can't edit this item."); event.Veto(); } else if ( itemId == GetRootItem() ) { // test that it is possible to change the text of the item being edited SetItemText(itemId, "Editing root item"); } } void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event) { wxLogMessage("OnEndLabelEdit"); // don't allow anything except letters in the labels if ( !event.GetLabel().IsWord() ) { wxMessageBox("The new label should be a single word."); event.Veto(); } } void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event) { wxLogMessage("OnItemCollapsing"); // for testing, prevent the user from collapsing the first child folder wxTreeItemId itemId = event.GetItem(); if ( IsTestItem(itemId) ) { wxMessageBox("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("OnItemActivated"); } void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event) { // toggle item state wxTreeItemId itemId = event.GetItem(); DoToggleState(itemId); wxLogMessage("Item \"%s\" state changed to %d", GetItemText(itemId), GetItemState(itemId)); } void MyTreeCtrl::OnItemMenu(wxTreeEvent& event) { wxTreeItemId itemId = event.GetItem(); wxCHECK_RET( itemId.IsOk(), "should have a valid item" ); MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId); wxPoint clientpt = event.GetPoint(); wxPoint screenpt = ClientToScreen(clientpt); wxLogMessage("OnItemMenu for item \"%s\" at screen coords (%i, %i)", item ? item->GetDesc() : wxString("unknown"), screenpt.x, screenpt.y); ShowMenu(itemId, clientpt); event.Skip(); } void MyTreeCtrl::OnContextMenu(wxContextMenuEvent& event) { wxPoint pt = event.GetPosition(); wxLogMessage("OnContextMenu at screen coords (%i, %i)", pt.x, pt.y); event.Skip(); } void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt) { wxString title; if ( id.IsOk() ) { title << "Menu for " << GetItemText(id); } else { title = "Menu for no particular item"; } #if wxUSE_MENUS wxMenu menu(title); menu.Append(TreeTest_About, "&About"); menu.AppendSeparator(); menu.Append(TreeTest_Highlight, "&Highlight item"); menu.Append(TreeTest_Dump, "&Dump"); PopupMenu(&menu, pt); #endif // wxUSE_MENUS } void MyTreeCtrl::OnItemRClick(wxTreeEvent& event) { wxTreeItemId itemId = event.GetItem(); wxCHECK_RET( itemId.IsOk(), "should have a valid item" ); MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId); wxLogMessage("Item \"%s\" right clicked", item ? item->GetDesc() : wxString("unknown")); event.Skip(); } void MyTreeCtrl::OnRMouseDown(wxMouseEvent& event) { wxLogMessage("Right mouse button down"); event.Skip(); } void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event) { wxLogMessage("Right mouse button up"); event.Skip(); } void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event) { wxTreeItemId id = HitTest(event.GetPosition()); if ( !id ) { wxLogMessage("No item under mouse"); } else { MyTreeItemData *item = (MyTreeItemData *)GetItemData(id); if ( item ) { wxLogMessage("Item '%s' under mouse", item->GetDesc()); } } event.Skip(); } static inline const wxString Bool2String(bool b) { return b ? "" : "not "; } void MyTreeItemData::ShowInfo(wxTreeCtrl *tree) { wxLogMessage("Item '%s': %sselected, %sexpanded, %sbold,\n" "%u children (%u immediately under this item).", m_desc, Bool2String(tree->IsSelected(GetId())), Bool2String(tree->IsExpanded(GetId())), Bool2String(tree->IsBold(GetId())), unsigned(tree->GetChildrenCount(GetId())), unsigned(tree->GetChildrenCount(GetId(), false))); }