// 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
-#ifdef __WXGTK__
-#include "mondrian.xpm"
-#endif
+#include "wx/log.h"
+#include "wx/image.h"
+#include "wx/imaglist.h"
#include "wx/treectrl.h"
+#include "math.h"
+
+//#ifdef __WXMSW__
+ #define NO_MULTIPLE_SELECTION
+ #define NO_VARIABLE_HEIGHT
+//#endif
+
#include "treetest.h"
+// under Windows the icons are in the .rc file
+#ifndef __WXMSW__
+#ifdef NO_VARIABLE_HEIGHT
+ #include "icon1.xpm"
+#endif
+ #include "icon2.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_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)
+#endif // NO_MULTIPLE_SELECTION
+ EVT_MENU(TreeTest_Rename, MyFrame::OnRename)
+ 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_CollapseAndReset, MyFrame::OnCollapseAndReset)
+ EVT_MENU(TreeTest_EnsureVisible, MyFrame::OnEnsureVisible)
+ EVT_MENU(TreeTest_AddItem, MyFrame::OnAddItem)
+ 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_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_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(void)
+bool MyApp::OnInit()
{
- // Create the main frame window
- MyFrame *frame = new MyFrame(NULL, "wxTreeCtrl Test", 50, 50, 450, 340);
+ // Create the main frame window
+ MyFrame *frame = new MyFrame("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));
+ // Show the frame
+ frame->Show(TRUE);
+ SetTopWindow(frame);
- // Give it an icon
-#ifdef __WXMSW__
- frame->SetIcon(wxIcon("mondrian"));
-#else
- frame->SetIcon(wxIcon(mondrian_xpm));
-#endif
+ return TRUE;
+}
- // Make an image list containing small icons
- m_imageListNormal = new wxImageList(16, 16, TRUE);
-#ifdef __WXMSW__
- wxIcon icon1("icon1", wxBITMAP_TYPE_ICO_RESOURCE);
- m_imageListNormal->Add(icon1);
- wxIcon icon2("icon2", wxBITMAP_TYPE_ICO_RESOURCE);
- m_imageListNormal->Add(icon2);
+// 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,
+ *tree_menu = new wxMenu,
+ *item_menu = new wxMenu;
+
+ file_menu->Append(TreeTest_About, "&About...");
+ file_menu->AppendSeparator();
+ file_menu->Append(TreeTest_Quit, "E&xit");
+
+ 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_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_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
+
+ 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);
+
+ m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl,
+ wxDefaultPosition, wxDefaultSize,
+ wxTR_HAS_BUTTONS |
+ wxTR_EDIT_LABELS |
+#ifndef NO_MULTIPLE_SELECTION
+ wxTR_MULTIPLE |
+#endif
+#ifndef NO_VARIABLE_HEIGHT
+ wxTR_HAS_VARIABLE_ROW_HEIGHT |
+#endif
+ 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);
+
+#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(textCtrl);
+ delete wxLog::SetActiveTarget(logWindow);
#endif
+}
+
+MyFrame::~MyFrame()
+{
+ delete wxLog::SetActiveTarget(NULL);
+}
- // 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);
-
- long rootId = frame->m_treeCtrl->InsertItem(0, "Root", 0);
-
- char buf[20];
- int i;
- wxString str;
-
- for ( i = 0; i < 10; i++)
- {
- sprintf(buf, "Folder child %d", i);
- str = buf;
- long id = frame->m_treeCtrl->InsertItem(rootId, str, 0);
- int j;
- for ( j = 0; j < 5; j++)
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ Close(TRUE);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+ wxMessageBox("Tree test sample\n"
+ "(c) Julian Smart 1997, Vadim Zeitlin 1998",
+ "About tree test",
+ wxOK | wxICON_INFORMATION, this);
+}
+
+void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
+{
+ wxTreeItemId item = m_treeCtrl->GetSelection();
+
+ CHECK_ITEM( item );
+
+ // old code - now we edit in place
+#if 0
+ static wxString s_text;
+ s_text = wxGetTextFromUser("New name: ", "Tree sample question",
+ s_text, this);
+ if ( !s_text.IsEmpty() )
{
- sprintf(buf, "File child %d", j);
- str = buf;
- frame->m_treeCtrl->InsertItem(id, str, 1);
+ m_treeCtrl->SetItemText(item, s_text);
}
- }
- for ( i = 0; i < 10; i++)
- {
- sprintf(buf, "File child %d", i);
- str = buf;
- frame->m_treeCtrl->InsertItem(rootId, str, 1);
- }
+#endif // 0
- frame->CreateStatusBar(3);
- frame->SetStatusText("", 0);
+ // TODO demonstrate creating a custom edit control...
+ (void)m_treeCtrl->EditLabel(item);
+}
- // Show the frame
- frame->Show(TRUE);
-
- SetTopWindow(frame);
+void MyFrame::DoSort(bool reverse)
+{
+ wxTreeItemId item = m_treeCtrl->GetSelection();
- return TRUE;
+ CHECK_ITEM( item );
+
+ m_treeCtrl->DoSortChildren(item, reverse);
}
-// 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::OnDump(wxCommandEvent& WXUNUSED(event))
{
- m_treeCtrl = NULL;
- m_logWindow = NULL;
+ wxTreeItemId root = m_treeCtrl->GetSelection();
+
+ CHECK_ITEM( root );
+
+ m_treeCtrl->GetItemsRecursively(root, -1);
}
-MyFrame::~MyFrame(void)
+#ifndef NO_MULTIPLE_SELECTION
+
+void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
{
- delete wxGetApp().m_imageListNormal;
+ wxArrayTreeItemIds array;
+
+ size_t count = m_treeCtrl->GetSelections(array);
+ wxLogMessage(_T("%u items selected"), count);
+
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxLogMessage("\t%s", m_treeCtrl->GetItemText(array.Item(n)).c_str());
+ }
}
-void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnSelect(wxCommandEvent& event)
{
- Close(TRUE);
+ m_treeCtrl->SelectItem(m_treeCtrl->GetSelection());
}
-void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnUnselect(wxCommandEvent& event)
{
- wxMessageDialog dialog(this, "Tree test sample\nJulian Smart (c) 1997",
- "About tree test", wxOK|wxCANCEL);
-
- dialog.ShowModal();
+ m_treeCtrl->UnselectAll();
}
-// MyTreeCtrl
+#endif // NO_MULTIPLE_SELECTION
-void MyTreeCtrl::OnBeginDrag(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::DoSetBold(bool bold)
{
- 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);
-
- str << "OnBeginDrag\n";
- str.flush();
-#endif
+ m_treeCtrl->SetItemBold(item, bold);
}
-void MyTreeCtrl::OnBeginRDrag(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);
-
- str << "OnBeginRDrag\n";
- str.flush();
-#endif
+ m_treeCtrl->Delete(item);
}
-void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ wxTreeItemId item = m_treeCtrl->GetSelection();
+
+ CHECK_ITEM( item );
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ m_treeCtrl->DeleteChildren(item);
+}
-#ifndef __GNUWIN32__
- ostream str(text);
+void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
+{
+ m_treeCtrl->DeleteAllItems();
+}
- str << "OnBeginLabelEdit\n";
- str.flush();
-#endif
+void MyFrame::OnRecreate(wxCommandEvent& event)
+{
+ OnDeleteAll(event);
+ m_treeCtrl->AddTestItemsToTree(3, 2);
}
-void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnCollapseAndReset(wxCommandEvent& event)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
+}
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+void MyFrame::OnEnsureVisible(wxCommandEvent& event)
+{
+ m_treeCtrl->DoEnsureVisible();
+}
-#ifndef __GNUWIN32__
- ostream str(text);
+void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
+{
+ static int s_num = 0;
- str << "OnEndLabelEdit\n";
- str.flush();
-#endif
+ wxString text;
+ text.Printf("Item #%d", ++s_num);
+
+ m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
+ text /*,
+ MyTreeCtrl::TreeCtrlIcon_File */ );
}
-void MyTreeCtrl::OnDeleteItem(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 << "OnDeleteItem\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::OnGetInfo(wxTreeEvent& WXUNUSED(event) )
+void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ wxTreeItemId item = m_treeCtrl->GetSelection();
+
+ CHECK_ITEM( item );
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ m_treeCtrl->DoToggleIcon(item);
+}
+
+// MyTreeCtrl implementation
+IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
-#ifndef __GNUWIN32__
- ostream str(text);
+MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ long style)
+ : wxTreeCtrl(parent, id, pos, size, style)
+{
+#ifndef NO_VARIABLE_HEIGHT
+#if wxUSE_LIBJPEG
+ wxImage::AddHandler(new wxJPEGHandler);
+ wxImage image;
- str << "OnGetInfo\n";
- str.flush();
+ image.LoadFile(wxString("horse.jpg"), wxBITMAP_TYPE_JPEG );
+#endif
#endif
+
+ m_reverseSort = FALSE;
+
+ // Make an image list containing small icons
+ m_imageListNormal = new wxImageList(16, 16, TRUE);
+
+ // should correspond to TreeCtrlIcon_xxx enum
+#if defined(__WXMSW__) && defined(__WIN16__)
+ // This is required in 16-bit Windows mode only because we can't load a specific (16x16)
+ // icon image, so it comes out stretched
+# ifndef NO_VARIABLE_HEIGHT
+ m_imageListNormal->Add(image.ConvertToBitmap());
+# else
+ m_imageListNormal->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE));
+# endif
+ m_imageListNormal->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE));
+#else
+# ifndef NO_VARIABLE_HEIGHT
+ m_imageListNormal->Add(image.ConvertToBitmap());
+# else
+ m_imageListNormal->Add(wxICON(icon1));
+# endif
+ m_imageListNormal->Add(wxICON(icon2));
+#endif
+
+ SetImageList(m_imageListNormal);
+
+ // Add some items to the tree
+ AddTestItemsToTree(3, 2);
+}
+
+MyTreeCtrl::~MyTreeCtrl()
+{
+ delete m_imageListNormal;
}
-void MyTreeCtrl::OnSetInfo(wxTreeEvent& WXUNUSED(event) )
+int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ if ( m_reverseSort )
+ {
+ // just exchange 1st and 2nd items
+ return wxTreeCtrl::OnCompareItems(item2, item1);
+ }
+ else
+ {
+ return wxTreeCtrl::OnCompareItems(item1, item2);
+ }
+}
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
+ size_t numChildren,
+ size_t depth,
+ size_t folder)
+{
+ if ( depth > 0 )
+ {
+ wxString str;
+ for ( size_t n = 0; n < numChildren; n++ )
+ {
+ // 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));
+
+ // remember the last child for OnEnsureVisible()
+ if ( depth == 1 && n == numChildren - 1 )
+ {
+ m_lastItem = id;
+ }
+
+ AddItemsRecursively(id, numChildren, depth - 1, n + 1);
+ }
+ }
+ //else: done!
+}
-#ifndef __GNUWIN32__
- ostream str(text);
+void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
+ size_t depth)
+{
+ wxTreeItemId rootId = AddRoot("Root",
+ TreeCtrlIcon_Folder, TreeCtrlIcon_Folder,
+ new MyTreeItemData("Root item"));
- str << "OnSetInfo\n";
- str.flush();
-#endif
+ AddItemsRecursively(rootId, numChildren, depth, 0);
}
-void MyTreeCtrl::OnItemExpanded(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 << "OnItemExpanded\n";
- str.flush();
-#endif
+ wxString text = GetItemText(id);
+ wxLogMessage(text);
+
+ if (ItemHasChildren(id))
+ GetItemsRecursively(id,-1);
+
+ GetItemsRecursively(idParent, cookie);
}
-void MyTreeCtrl::OnItemExpanding(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::DoToggleIcon(const wxTreeItemId& item)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ int image = GetItemImage(item) == TreeCtrlIcon_Folder ? TreeCtrlIcon_File
+ : TreeCtrlIcon_Folder;
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ SetItemImage(item, image);
+}
-#ifndef __GNUWIN32__
- ostream str(text);
- str << "OnItemExpanding\n";
- str.flush();
-#endif
+// avoid repetition
+#define TREE_EVENT_HANDLER(name) \
+void MyTreeCtrl::name(wxTreeEvent& WXUNUSED(event)) \
+{ \
+ wxLogMessage(#name); \
}
-void MyTreeCtrl::OnSelChanged(wxTreeEvent& WXUNUSED(event) )
+TREE_EVENT_HANDLER(OnBeginDrag)
+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 MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ wxLogMessage("OnBeginLabelEdit");
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ // for testing, prevent this items label editing
+ wxTreeItemId itemId = event.GetItem();
+ if ( IsTestItem(itemId) )
+ {
+ wxMessageBox("You can't edit this item.");
-#ifndef __GNUWIN32__
- ostream str(text);
+ event.Veto();
+ }
+}
- str << "OnSelChanged\n";
- str.flush();
-#endif
+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::OnSelChanging(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ wxLogMessage("OnItemCollapsing");
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ // 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.");
-#ifndef __GNUWIN32__
- ostream str(text);
+ event.Veto();
+ }
+}
- str << "OnSelChanging\n";
- str.flush();
-#endif
+void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent&WXUNUSED(event))
+{
+ wxLogMessage("OnTreeKeyDown");
}
-void MyTreeCtrl::OnKeyDown(wxTreeEvent& WXUNUSED(event) )
+void MyTreeCtrl::OnItemActivated(wxTreeEvent&WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ // show some info about this item
+ wxTreeItemId itemId = GetSelection();
+ MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ if ( item != NULL )
+ {
+ item->ShowInfo(this);
+ }
-#ifndef __GNUWIN32__
- ostream str(text);
+ wxLogMessage("OnItemActivated");
+}
- str << "OnKeyDown\n";
- str.flush();
-#endif
+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));
+}