X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff5bf2590f02b5585c358b65eeeb6463e100a004..7ff3f3674810390e72e428d31cfe94602d2ce053:/samples/treectrl/treetest.cpp?ds=sidebyside diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp index 5085521447..e7cb2cb8f5 100644 --- a/samples/treectrl/treetest.cpp +++ b/samples/treectrl/treetest.cpp @@ -23,189 +23,721 @@ #ifndef WX_PRECOMP #include "wx/wx.h" + #include "wx/log.h" #endif -// under Windows the icons are in the .rc file -#ifndef __WXMSW__ - #include "icon1.xpm" - #include "icon2.xpm" - #include "mondrian.xpm" -#endif - -#include "wx/log.h" +#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_MENU(TreeTest_Quit, MyFrame::OnQuit) - EVT_MENU(TreeTest_About, MyFrame::OnAbout) - EVT_MENU(TreeTest_Dump, MyFrame::OnDump) - EVT_MENU(TreeTest_Delete, MyFrame::OnDelete) - EVT_MENU(TreeTest_DeleteAll, MyFrame::OnDeleteAll) - EVT_MENU(TreeTest_Recreate, MyFrame::OnRecreate) + 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) - EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag) - EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag) - 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) - EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo) - 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_CHAR(MyTreeCtrl::OnKeyDown) +#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) -// `Main program' equivalent, creating windows and returning main app frame bool MyApp::OnInit() { - // Create the main frame window - MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 340); + // Create the main frame window + MyFrame *frame = new MyFrame(wxT("wxTreeCtrl Test"), 50, 50, 450, 600); - // Show the frame - frame->Show(TRUE); - SetTopWindow(frame); + // Show the frame + frame->Show(TRUE); + SetTopWindow(frame); - return TRUE; + 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)) -{ - // 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)); - - // Make a menubar - wxMenu *file_menu = new wxMenu; - - file_menu->Append(TreeTest_Dump, "D&ump tree items"); - file_menu->Append(TreeTest_Delete, "&Delete this item"); - file_menu->Append(TreeTest_DeleteAll, "Delete &all items"); - file_menu->Append(TreeTest_Recreate, "&Recreate the tree"); - file_menu->AppendSeparator(); - file_menu->Append(TreeTest_About, "&About..."); - file_menu->AppendSeparator(); - file_menu->Append(TreeTest_Quit, "E&xit"); - - wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, "&File"); - SetMenuBar(menu_bar); - - // Make a panel with a message - m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, - wxDefaultPosition, wxDefaultSize, - wxTR_HAS_BUTTONS | wxSUNKEN_BORDER); - wxTextCtrl *textCtrl = new wxTextCtrl(this, -1, "", - wxDefaultPosition, wxDefaultSize, - wxTE_MULTILINE | wxSUNKEN_BORDER); - - wxLayoutConstraints *c = new wxLayoutConstraints; - c->top.SameAs(this, wxTop); - c->left.SameAs(this, wxLeft); - c->right.SameAs(this, wxRight); - c->height.PercentOf(this, wxHeight, 66); - m_treeCtrl->SetConstraints(c); - - c = new wxLayoutConstraints; - c->top.Below(m_treeCtrl); - c->left.SameAs(this, wxLeft); - c->right.SameAs(this, wxRight); - c->bottom.SameAs(this, wxBottom); - textCtrl->SetConstraints(c); - SetAutoLayout(TRUE); - - // create a status bar with 3 panes - CreateStatusBar(3); - SetStatusText("", 0); - - // set our text control as the log target - wxLogTextCtrl *logWindow = new wxLogTextCtrl(textCtrl); - delete wxLog::SetActiveTarget(logWindow); + : 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); + 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); + Close(TRUE); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxMessageDialog dialog(this, - "Tree test sample\n" - "Julian Smart (c) 1997", - "About tree test", wxOK); + wxMessageBox("Tree test sample\n" + "(c) Julian Smart 1997, Vadim Zeitlin 1998", + "About tree test", + wxOK | wxICON_INFORMATION, this); +} - dialog.ShowModal(); +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(); - m_treeCtrl->GetItemsRecursively(root, -1); + 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(); - m_treeCtrl->Delete(item); + 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(); + m_treeCtrl->DeleteAllItems(); } void MyFrame::OnRecreate(wxCommandEvent& event) { - OnDeleteAll(event); - m_treeCtrl->AddTestItemsToTree(3, 2); + 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) { - // Make an image list containing small icons - m_imageListNormal = new wxImageList(16, 16, TRUE); + m_reverseSort = FALSE; - // should correspond to TreeCtrlIcon_xxx enum - m_imageListNormal->Add(wxICON(icon2)); - m_imageListNormal->Add(wxICON(icon1)); + CreateImageList(); - SetImageList(m_imageListNormal); + // 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(wxBitmap(wxBitmap(icons[i]).ConvertToImage().Rescale(size, size))); + } + } +#endif // MSW/!MSW - // Add some items to the tree - AddTestItemsToTree(3, 2); + 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(wxBitmap(icons[i].ConvertToImage().Rescale(size, size))); + } + } +#endif // MSW/!MSW + + AssignButtonsImageList(images); +#endif } MyTreeCtrl::~MyTreeCtrl() { - delete m_imageListNormal; +} + +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, @@ -213,69 +745,119 @@ void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent, size_t depth, size_t folder) { - if ( depth > 0 ) - { - wxString str; - for ( size_t n = 0; n < numChildren; n++ ) + if ( depth > 0 ) { - // at depth 1 elements won't have any more children - if (depth == 1) - str.Printf("%s child %d.%d", "File", folder, n + 1); - else - str.Printf("%s child %d","Folder", n + 1); - - int image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder; - wxTreeItemId id = AppendItem(idParent, str, image, image, - new MyTreeItemData(str)); - AddItemsRecursively(id, numChildren, depth - 1,n+1); + 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! + //else: done! } void MyTreeCtrl::AddTestItemsToTree(size_t numChildren, size_t depth) { - wxTreeItemId rootId = AddRoot("Root", - TreeCtrlIcon_Folder, TreeCtrlIcon_Folder, - new MyTreeItemData("Root item")); + 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); - AddItemsRecursively(rootId, numChildren, depth,0); + 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; + wxTreeItemId id; - if( cookie == -1 ) - id = GetFirstChild(idParent, cookie); - else - id = GetNextChild(idParent, cookie); + if( cookie == -1 ) + id = GetFirstChild(idParent, cookie); + else + id = GetNextChild(idParent, cookie); - if(id <= 0) - return; + if(id <= 0) + return; - wxString text=GetItemText(id); - wxLogMessage(text); + wxString text = GetItemText(id); + wxLogMessage(text); - if (ItemHasChildren(id)) - GetItemsRecursively(id,-1); + if (ItemHasChildren(id)) + GetItemsRecursively(id,-1); - GetItemsRecursively(idParent, cookie); + 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& WXUNUSED(event)) \ - { \ - wxLogMessage(#name); \ - } +#define TREE_EVENT_HANDLER(name) \ +void MyTreeCtrl::name(wxTreeEvent& event) \ +{ \ + wxLogMessage(wxT(#name)); \ + event.Skip(); \ +} -TREE_EVENT_HANDLER(OnBeginDrag) TREE_EVENT_HANDLER(OnBeginRDrag) -TREE_EVENT_HANDLER(OnBeginLabelEdit) -TREE_EVENT_HANDLER(OnEndLabelEdit) TREE_EVENT_HANDLER(OnDeleteItem) TREE_EVENT_HANDLER(OnGetInfo) TREE_EVENT_HANDLER(OnSetInfo) @@ -284,49 +866,176 @@ 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("OnItemCollapsing"); + 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); - // for testing, prevent the user from collapsing the root item - wxTreeItemId itemId = event.GetItem(); - if ( !GetParent(itemId).IsOk() ) - { - wxMessageBox("You can't collapse the root item."); + if ( item != NULL ) + { + item->ShowInfo(this); + } - event.Veto(); - } + wxLogMessage(wxT("OnItemActivated")); } -void MyTreeCtrl::OnKeyDown(wxTreeEvent& WXUNUSED(event)) +void MyTreeCtrl::OnItemRightClick(wxTreeEvent& event) { - // show some info about this item - wxTreeItemId itemId = GetSelection(); - MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId); + ShowMenu(event.GetItem(), event.GetPoint()); +} - if ( item != NULL ) - { - item->ShowInfo(this); - } +void MyTreeCtrl::OnRMouseUp(wxMouseEvent& event) +{ + wxPoint pt = event.GetPosition(); + ShowMenu(HitTest(pt), pt); +} - wxLogMessage("OnKeyDown"); +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 char *Bool2String(bool b) +static inline const wxChar *Bool2String(bool b) { - return b ? "" : "not "; + return b ? wxT("") : wxT("not "); } void MyTreeItemData::ShowInfo(wxTreeCtrl *tree) { - wxLogMessage("Item '%s': %sselected, %sexpanded, " - "%u children (%u immediately under this item).", - m_desc.c_str(), - Bool2String(tree->IsSelected(GetId())), - Bool2String(tree->IsExpanded(GetId())), - tree->GetChildrenCount(GetId()), - tree->GetChildrenCount(GetId(), FALSE)); + 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)); }