X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e21a504837179fc2be49f72e03664c8d8cc82148..f1567cddead054974c4a079ed8ee2c798ef998dc:/samples/treectrl/treetest.cpp diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp index 94a72b0d55..2b46734d3f 100644 --- a/samples/treectrl/treetest.cpp +++ b/samples/treectrl/treetest.cpp @@ -6,375 +6,844 @@ // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation -#pragma interface + #pragma implementation + #pragma interface #endif // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/wx.h" + #include "wx/wx.h" #endif -#ifndef __WXMSW__ - #include "icon1.xpm" - #include "icon2.xpm" - #include "mondrian.xpm" -#endif +#include "wx/log.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("Please select some item first!", \ + "Tree sample error", \ + wxOK | wxICON_EXCLAMATION, \ + this); \ + return; \ + } + BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(TREE_QUIT, MyFrame::OnQuit) - EVT_MENU(TREE_ABOUT, MyFrame::OnAbout) + EVT_SIZE(MyFrame::OnSize) + + EVT_MENU(TreeTest_Quit, MyFrame::OnQuit) + EVT_MENU(TreeTest_About, MyFrame::OnAbout) + EVT_MENU(TreeTest_Dump, MyFrame::OnDump) +#ifndef NO_MULTIPLE_SELECTION + EVT_MENU(TreeTest_DumpSelected, MyFrame::OnDumpSelected) + EVT_MENU(TreeTest_Select, MyFrame::OnSelect) + EVT_MENU(TreeTest_Unselect, MyFrame::OnUnselect) + EVT_MENU(TreeTest_ToggleSel, MyFrame::OnToggleSel) +#endif // NO_MULTIPLE_SELECTION + EVT_MENU(TreeTest_Rename, MyFrame::OnRename) + EVT_MENU(TreeTest_Count, MyFrame::OnCount) + EVT_MENU(TreeTest_CountRec, MyFrame::OnCountRec) + EVT_MENU(TreeTest_Sort, MyFrame::OnSort) + EVT_MENU(TreeTest_SortRev, MyFrame::OnSortRev) + EVT_MENU(TreeTest_Bold, MyFrame::OnSetBold) + EVT_MENU(TreeTest_UnBold, MyFrame::OnClearBold) + EVT_MENU(TreeTest_Delete, MyFrame::OnDelete) + EVT_MENU(TreeTest_DeleteChildren, MyFrame::OnDeleteChildren) + EVT_MENU(TreeTest_DeleteAll, MyFrame::OnDeleteAll) + EVT_MENU(TreeTest_Recreate, MyFrame::OnRecreate) + EVT_MENU(TreeTest_ToggleImages, MyFrame::OnToggleImages) + EVT_MENU(TreeTest_SetImageSize, MyFrame::OnSetImageSize) + EVT_MENU(TreeTest_CollapseAndReset, MyFrame::OnCollapseAndReset) + EVT_MENU(TreeTest_EnsureVisible, MyFrame::OnEnsureVisible) + EVT_MENU(TreeTest_AddItem, MyFrame::OnAddItem) + EVT_MENU(TreeTest_InsertItem, MyFrame::OnInsertItem) + EVT_MENU(TreeTest_IncIndent, MyFrame::OnIncIndent) + EVT_MENU(TreeTest_DecIndent, MyFrame::OnDecIndent) + EVT_MENU(TreeTest_IncSpacing, MyFrame::OnIncSpacing) + EVT_MENU(TreeTest_DecSpacing, MyFrame::OnDecSpacing) + EVT_MENU(TreeTest_ToggleIcon, MyFrame::OnToggleIcon) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl) - EVT_TREE_BEGIN_DRAG(TREE_CTRL, MyTreeCtrl::OnBeginDrag) - EVT_TREE_BEGIN_RDRAG(TREE_CTRL, MyTreeCtrl::OnBeginRDrag) - EVT_TREE_BEGIN_LABEL_EDIT(TREE_CTRL, MyTreeCtrl::OnBeginLabelEdit) - EVT_TREE_END_LABEL_EDIT(TREE_CTRL, MyTreeCtrl::OnEndLabelEdit) - EVT_TREE_DELETE_ITEM(TREE_CTRL, MyTreeCtrl::OnDeleteItem) - EVT_TREE_GET_INFO(TREE_CTRL, MyTreeCtrl::OnGetInfo) - EVT_TREE_SET_INFO(TREE_CTRL, MyTreeCtrl::OnSetInfo) - EVT_TREE_ITEM_EXPANDED(TREE_CTRL, MyTreeCtrl::OnItemExpanded) - EVT_TREE_ITEM_EXPANDING(TREE_CTRL, MyTreeCtrl::OnItemExpanding) - EVT_TREE_SEL_CHANGED(TREE_CTRL, MyTreeCtrl::OnSelChanged) - EVT_TREE_SEL_CHANGING(TREE_CTRL, MyTreeCtrl::OnSelChanging) - EVT_TREE_KEY_DOWN(TREE_CTRL, MyTreeCtrl::OnKeyDown) + 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_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((wxFrame *) NULL, (char *) "wxTreeCtrl Test", 50, 50, 450, 340); - - // 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. - frame->SetBackgroundColour(wxColour(255, 255, 255)); - - // Give it an icon - frame->SetIcon(wxICON(mondrian)); - - // Make an image list containing small icons - m_imageListNormal = new wxImageList(16, 16, TRUE); - - m_imageListNormal->Add(wxICON(icon1)); - m_imageListNormal->Add(wxICON(icon2)); - - // Make a menubar - wxMenu *file_menu = new wxMenu; - - file_menu->Append(TREE_ABOUT, "&About"); - file_menu->Append(TREE_QUIT, "E&xit"); - wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, "&File"); - frame->SetMenuBar(menu_bar); - - // Make a panel with a message - frame->m_treeCtrl = new MyTreeCtrl(frame, TREE_CTRL, wxPoint(0, 0), wxSize(400, 200), - wxTR_HAS_BUTTONS|wxSUNKEN_BORDER); - frame->m_logWindow = new wxTextCtrl(frame, -1, "", wxPoint(0, 0), wxSize(400, 200), - wxTE_MULTILINE|wxSUNKEN_BORDER); - - wxLayoutConstraints *c = new wxLayoutConstraints; - c->top.SameAs (frame, wxTop); - c->left.SameAs (frame, wxLeft); - c->right.SameAs (frame, wxRight); - c->height.PercentOf (frame, wxHeight, 66); - frame->m_treeCtrl->SetConstraints(c); - - c = new wxLayoutConstraints; - c->top.Below (frame->m_treeCtrl); - c->left.SameAs (frame, wxLeft); - c->right.SameAs (frame, wxRight); - c->bottom.SameAs (frame, wxBottom); - frame->m_logWindow->SetConstraints(c); - frame->SetAutoLayout(TRUE); - - frame->m_treeCtrl->SetImageList(wxGetApp().m_imageListNormal, wxIMAGE_LIST_NORMAL); - - wxTreeItemId rootId = frame->m_treeCtrl->AddRoot("Root", 0); - - char buf[20]; - int i; - wxString str; - - for ( i = 0; i < 10; i++) - { - sprintf(buf, "Folder child %d", i); - str = buf; - wxTreeItemId id = frame->m_treeCtrl->AppendItem(rootId, str, 0); - int j; - for ( j = 0; j < 5; j++) + // Create the main frame window + MyFrame *frame = new MyFrame("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)); + + // Make a menubar + wxMenu *file_menu = new wxMenu, + *tree_menu = new wxMenu, + *item_menu = new wxMenu; + + file_menu->Append(TreeTest_About, "&About..."); + file_menu->AppendSeparator(); + file_menu->Append(TreeTest_Quit, "E&xit\tAlt-X"); + +#ifndef NO_MULTIPLE_SELECTION + tree_menu->Append(TreeTest_ToggleSel, "&Toggle selection mode"); +#endif // NO_MULTIPLE_SELECTION + tree_menu->Append(TreeTest_ToggleImages, "&Show images", "", TRUE); + tree_menu->Append(TreeTest_SetImageSize, "Set image si&ze..."); + 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_Bold, "Make item &bold"); + item_menu->Append(TreeTest_UnBold, "Make item ¬ bold"); + item_menu->AppendSeparator(); + item_menu->Append(TreeTest_ToggleIcon, "Toggle the items &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(tree_menu, "&Tree"); + menu_bar->Append(item_menu, "&Item"); + SetMenuBar(menu_bar); + + menu_bar->Check(TreeTest_ToggleImages, TRUE); + + m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, + wxDefaultPosition, wxDefaultSize, + wxTR_HAS_BUTTONS | + wxTR_EDIT_LABELS | +#ifndef NO_VARIABLE_HEIGHT + wxTR_HAS_VARIABLE_ROW_HEIGHT | +#endif + wxSUNKEN_BORDER); + + m_treeCtrl->SetBackgroundColour(wxColour(204, 205, 79)); + + m_textCtrl = new wxTextCtrl(this, -1, "", + wxDefaultPosition, wxDefaultSize, + wxTE_MULTILINE | wxSUNKEN_BORDER); + + // 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::OnSize(wxSizeEvent& event) +{ + if ( m_treeCtrl && m_textCtrl ) { - sprintf(buf, "File child %d", j); - str = buf; - frame->m_treeCtrl->AppendItem(id, str, 1); + Resize(GetClientSize()); } - } - for ( i = 0; i < 10; i++) - { - sprintf(buf, "File child %d", i); - str = buf; - frame->m_treeCtrl->AppendItem(rootId, str, 1); - } - frame->CreateStatusBar(3); - frame->SetStatusText("", 0); + event.Skip(); +} - // Show the frame - frame->Show(TRUE); - - SetTopWindow(frame); +void MyFrame::Resize(const wxSize& size) +{ + m_treeCtrl->SetSize(0, 0, size.x, 2*size.y/3); + m_textCtrl->SetSize(0, 2*size.y/3, size.x, size.y/3); +} - return TRUE; +void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) +{ + Close(TRUE); } -// My frame constructor -MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h): - wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)) +void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - m_treeCtrl = (MyTreeCtrl *) NULL; - m_logWindow = (wxTextCtrl *) NULL; + wxMessageBox("Tree test sample\n" + "(c) Julian Smart 1997, Vadim Zeitlin 1998", + "About tree test", + wxOK | wxICON_INFORMATION, this); } -MyFrame::~MyFrame() +void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event)) { - delete wxGetApp().m_imageListNormal; + 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::OnQuit(wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnCount(wxCommandEvent& WXUNUSED(event)) { - Close(TRUE); + wxTreeItemId item = m_treeCtrl->GetSelection(); + + CHECK_ITEM( item ); + + int i = m_treeCtrl->GetChildrenCount( item, FALSE ); + + wxLogMessage(wxT("%d children"), i); } -void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event)) { - wxMessageDialog dialog(this, "Tree test sample\nJulian Smart (c) 1997", - "About tree test", wxOK|wxCANCEL); + wxTreeItemId item = m_treeCtrl->GetSelection(); + + CHECK_ITEM( item ); + + int i = m_treeCtrl->GetChildrenCount( item ); - dialog.ShowModal(); + wxLogMessage(wxT("%d children"), i); } -// MyTreeCtrl +void MyFrame::DoSort(bool reverse) +{ + wxTreeItemId item = m_treeCtrl->GetSelection(); + + CHECK_ITEM( item ); -void MyTreeCtrl::OnBeginDrag(wxTreeEvent& WXUNUSED(event) ) + m_treeCtrl->DoSortChildren(item, reverse); +} + +void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxTreeItemId root = m_treeCtrl->GetSelection(); - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + CHECK_ITEM( root ); -#ifndef __GNUWIN32__ - ostream str(text); + m_treeCtrl->GetItemsRecursively(root, -1); +} - str << "OnBeginDrag\n"; - str.flush(); -#endif +#ifndef NO_MULTIPLE_SELECTION + +void MyFrame::OnToggleSel(wxCommandEvent& WXUNUSED(event)) +{ + long style = m_treeCtrl->GetWindowStyle(); + if ( style & wxTR_MULTIPLE ) + style &= ~wxTR_MULTIPLE; + else + style |= wxTR_MULTIPLE; + + delete m_treeCtrl; + + m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl, + wxDefaultPosition, wxDefaultSize, + style); + Resize(GetClientSize()); } -void MyTreeCtrl::OnBeginRDrag(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxArrayTreeItemIds array; - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + size_t count = m_treeCtrl->GetSelections(array); + wxLogMessage(wxT("%u items selected"), count); -#ifndef __GNUWIN32__ - ostream str(text); + for ( size_t n = 0; n < count; n++ ) + { + wxLogMessage("\t%s", m_treeCtrl->GetItemText(array.Item(n)).c_str()); + } +} - str << "OnBeginRDrag\n"; - str.flush(); -#endif +void MyFrame::OnSelect(wxCommandEvent& event) +{ + m_treeCtrl->SelectItem(m_treeCtrl->GetSelection()); } -void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnUnselect(wxCommandEvent& event) { - if ( !wxGetApp().GetTopWindow() ) - return; + m_treeCtrl->UnselectAll(); +} - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; +#endif // NO_MULTIPLE_SELECTION -#ifndef __GNUWIN32__ - ostream str(text); +void MyFrame::DoSetBold(bool bold) +{ + wxTreeItemId item = m_treeCtrl->GetSelection(); - str << "OnBeginLabelEdit\n"; - str.flush(); -#endif + CHECK_ITEM( item ); + + m_treeCtrl->SetItemBold(item, bold); } -void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxTreeItemId item = m_treeCtrl->GetSelection(); - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + CHECK_ITEM( item ); -#ifndef __GNUWIN32__ - ostream str(text); + m_treeCtrl->Delete(item); +} - str << "OnEndLabelEdit\n"; - str.flush(); -#endif +void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event)) +{ + wxTreeItemId item = m_treeCtrl->GetSelection(); + + CHECK_ITEM( item ); + + m_treeCtrl->DeleteChildren(item); } -void MyTreeCtrl::OnDeleteItem(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + m_treeCtrl->DeleteAllItems(); +} - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; +void MyFrame::OnRecreate(wxCommandEvent& event) +{ + OnDeleteAll(event); + m_treeCtrl->AddTestItemsToTree(3, 2); +} -#ifndef __GNUWIN32__ - ostream str(text); +void MyFrame::OnSetImageSize(wxCommandEvent& event) +{ + long size = wxGetNumberFromUser("Enter the size for the images to use", + "Size: ", + "TreeCtrl sample", + 32); + if ( size == -1 ) + return; - str << "OnDeleteItem\n"; - str.flush(); -#endif + m_treeCtrl->CreateImageList((int)size); + + OnRecreate(event); } -void MyTreeCtrl::OnGetInfo(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnToggleImages(wxCommandEvent& event) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxGetApp().SetShowImages(!wxGetApp().ShowImages()); - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + OnRecreate(event); +} -#ifndef __GNUWIN32__ - ostream str(text); +void MyFrame::OnCollapseAndReset(wxCommandEvent& event) +{ + m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem()); +} - str << "OnGetInfo\n"; - str.flush(); -#endif +void MyFrame::OnEnsureVisible(wxCommandEvent& event) +{ + m_treeCtrl->DoEnsureVisible(); } -void MyTreeCtrl::OnSetInfo(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1; + m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, "2nd item"); +} - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; +void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event)) +{ + static int s_num = 0; -#ifndef __GNUWIN32__ - ostream str(text); + wxString text; + text.Printf("Item #%d", ++s_num); - str << "OnSetInfo\n"; - str.flush(); -#endif + m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(), + text /*, + MyTreeCtrl::TreeCtrlIcon_File */ ); } -void MyTreeCtrl::OnItemExpanded(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + unsigned int indent = m_treeCtrl->GetIndent(); + if (indent < 100) + m_treeCtrl->SetIndent( indent+5 ); +} - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; +void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event)) +{ + unsigned int indent = m_treeCtrl->GetIndent(); + if (indent > 10) + m_treeCtrl->SetIndent( indent-5 ); +} -#ifndef __GNUWIN32__ - ostream str(text); +void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event)) +{ + unsigned int indent = m_treeCtrl->GetSpacing(); + if (indent < 100) + m_treeCtrl->SetSpacing( indent+5 ); +} - str << "OnItemExpanded\n"; - str.flush(); -#endif +void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event)) +{ + unsigned int indent = m_treeCtrl->GetSpacing(); + if (indent > 10) + m_treeCtrl->SetSpacing( indent-5 ); } -void MyTreeCtrl::OnItemExpanding(wxTreeEvent& WXUNUSED(event) ) +void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event)) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxTreeItemId item = m_treeCtrl->GetSelection(); - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + CHECK_ITEM( item ); -#ifndef __GNUWIN32__ - ostream str(text); + m_treeCtrl->DoToggleIcon(item); +} - str << "OnItemExpanding\n"; - str.flush(); -#endif +// MyTreeCtrl implementation +IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl) + +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(3, 2); } -void MyTreeCtrl::OnSelChanged(wxTreeEvent& WXUNUSED(event) ) +void MyTreeCtrl::CreateImageList(int size) { - if ( !wxGetApp().GetTopWindow() ) - return; + delete m_imageListNormal; - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + if ( size == -1 ) + { + m_imageListNormal = NULL; -#ifndef __GNUWIN32__ - ostream str(text); + return; + } - str << "OnSelChanged\n"; - str.flush(); + // Make an image list containing small icons + m_imageListNormal = new wxImageList(size, size, TRUE); + + // should correspond to TreeCtrlIcon_xxx enum +#if defined(__WXMSW__) && defined(__WIN16__) + m_imageListNormal->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE)); + m_imageListNormal->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE)); + m_imageListNormal->Add(wxBitmap("bitmap3", wxBITMAP_TYPE_BMP_RESOURCE)); + m_imageListNormal->Add(wxBitmap("bitmap4", wxBITMAP_TYPE_BMP_RESOURCE)); + m_imageListNormal->Add(wxBitmap("bitmap5", wxBITMAP_TYPE_BMP_RESOURCE)); +#else + 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 ) + { + m_imageListNormal->Add(icons[i]); + } + else + { + m_imageListNormal->Add(wxImage(icons[i]).Rescale(size, size). + ConvertToBitmap()); + } + } #endif + + SetImageList(m_imageListNormal); } -void MyTreeCtrl::OnSelChanging(wxTreeEvent& WXUNUSED(event) ) +MyTreeCtrl::~MyTreeCtrl() { - if ( !wxGetApp().GetTopWindow() ) - return; + delete m_imageListNormal; +} - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; +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); + } +} -#ifndef __GNUWIN32__ - ostream str(text); +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 %d", "Folder", n + 1); + else + str.Printf("%s child %d.%d", "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! +} - str << "OnSelChanging\n"; - str.flush(); -#endif +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::OnKeyDown(wxTreeEvent& WXUNUSED(event) ) +void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent, long cookie) { - if ( !wxGetApp().GetTopWindow() ) - return; + wxTreeItemId id; - wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow; - if ( !text ) - return; + if( cookie == -1 ) + id = GetFirstChild(idParent, cookie); + else + id = GetNextChild(idParent, cookie); -#ifndef __GNUWIN32__ - ostream str(text); + if(id <= 0) + return; - str << "OnKeyDown\n"; - str.flush(); -#endif + 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(#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("OnBeginDrag: started dragging %s", + GetItemText(m_draggedItem).c_str()); + + 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 = GetParent(itemDst); + } + + if ( !itemDst.IsOk() ) + { + wxLogMessage("OnEndDrag: can't drop here."); + + return; + } + + wxString text = GetItemText(itemSrc); + wxLogMessage("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("OnBeginLabelEdit"); + + // for testing, prevent this items label editing + wxTreeItemId itemId = event.GetItem(); + if ( IsTestItem(itemId) ) + { + wxMessageBox("You can't edit this item."); + + event.Veto(); + } +} + +void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event) +{ + wxLogMessage("OnEndLabelEdit"); + + // don't allow anything except letters in the labels + if ( !event.GetLabel().IsWord() ) + { + wxMessageBox("The label should contain only letters."); + + 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::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()); + } +} + +static inline const char *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.c_str(), + Bool2String(tree->IsSelected(GetId())), + Bool2String(tree->IsExpanded(GetId())), + Bool2String(tree->IsBold(GetId())), + tree->GetChildrenCount(GetId()), + tree->GetChildrenCount(GetId(), FALSE)); +}