// 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
+// 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/imaglist.h"
#include "wx/treectrl.h"
#include "treetest.h"
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)
+ EVT_MENU(TreeTest_Bold, MyFrame::OnSetBold)
+ EVT_MENU(TreeTest_UnBold, MyFrame::OnClearBold)
+ EVT_MENU(TreeTest_Delete, MyFrame::OnDelete)
+ EVT_MENU(TreeTest_DeleteAll, MyFrame::OnDeleteAll)
+ EVT_MENU(TreeTest_Recreate, MyFrame::OnRecreate)
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)
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);
+ 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 __WINDOWS__
- frame->SetIcon(wxIcon("mondrian"));
-#endif
-#ifdef __X__
- frame->SetIcon(wxIcon("aiai.xbm"));
-#endif
+ return TRUE;
+}
- // Make an image list containing large icons
- m_imageListNormal = new wxImageList(16, 16, TRUE);
- wxIcon *icon = new wxIcon("icon1", wxBITMAP_TYPE_ICO_RESOURCE);
- m_imageListNormal->Add(*icon);
- delete icon;
- icon = new wxIcon("icon2", wxBITMAP_TYPE_ICO_RESOURCE);
- m_imageListNormal->Add(*icon);
- delete icon;
+// 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(TREE_ABOUT, "&About");
- file_menu->Append(TREE_QUIT, "E&xit");
+ 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_Bold, "Make item &bold");
+ file_menu->Append(TreeTest_UnBold, "Make item ¬ bold");
+ 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");
- frame->SetMenuBar(menu_bar);
+ 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);
+ 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 (frame, wxTop);
- c->left.SameAs (frame, wxLeft);
- c->right.SameAs (frame, wxRight);
- c->height.PercentOf (frame, wxHeight, 66);
- frame->m_treeCtrl->SetConstraints(c);
+ 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 (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++)
- {
- sprintf(buf, "File child %d", j);
- str = buf;
- frame->m_treeCtrl->InsertItem(id, str, 1);
- }
- }
- for ( i = 0; i < 10; i++)
- {
- sprintf(buf, "File child %d", i);
- str = buf;
- frame->m_treeCtrl->InsertItem(rootId, str, 1);
- }
-
- frame->CreateStatusBar(3);
- frame->SetStatusText("", 0);
-
- // Show the frame
- frame->Show(TRUE);
-
- SetTopWindow(frame);
-
- return 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))
-{
- m_treeCtrl = NULL;
- m_logWindow = NULL;
+ 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(void)
+MyFrame::~MyFrame()
{
- delete wxGetApp().m_imageListNormal;
+ delete wxLog::SetActiveTarget(NULL);
}
-void MyFrame::OnQuit(wxCommandEvent& event)
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(TRUE);
}
-void MyFrame::OnAbout(wxCommandEvent& event)
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageDialog dialog(this, "Tree test sample\nJulian Smart (c) 1997",
- "About tree test", wxOK|wxCANCEL);
+ wxMessageDialog dialog(this,
+ "Tree test sample\n"
+ "Julian Smart (c) 1997",
+ "About tree test", wxOK);
dialog.ShowModal();
}
-// MyTreeCtrl
-
-void MyTreeCtrl::OnBeginDrag(wxTreeEvent& event)
+void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnBeginDrag\n";
- str.flush();
-#endif
+ wxTreeItemId root = m_treeCtrl->GetSelection();
+ m_treeCtrl->GetItemsRecursively(root, -1);
}
-void MyTreeCtrl::OnBeginRDrag(wxTreeEvent& event)
+void MyFrame::DoSetBold(bool bold)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnBeginRDrag\n";
- str.flush();
-#endif
+ m_treeCtrl->SetItemBold(m_treeCtrl->GetSelection(), bold);
}
-void MyTreeCtrl::OnBeginLabelEdit(wxTreeEvent& event)
+void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnBeginLabelEdit\n";
- str.flush();
-#endif
+ wxTreeItemId item = m_treeCtrl->GetSelection();
+ m_treeCtrl->Delete(item);
}
-void MyTreeCtrl::OnEndLabelEdit(wxTreeEvent& event)
+void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnEndLabelEdit\n";
- str.flush();
-#endif
+ m_treeCtrl->DeleteAllItems();
}
-void MyTreeCtrl::OnDeleteItem(wxTreeEvent& event)
+void MyFrame::OnRecreate(wxCommandEvent& event)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnDeleteItem\n";
- str.flush();
-#endif
+ OnDeleteAll(event);
+ m_treeCtrl->AddTestItemsToTree(3, 2);
}
-void MyTreeCtrl::OnGetInfo(wxTreeEvent& event)
+// MyTreeCtrl implementation
+MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ long style)
+ : wxTreeCtrl(parent, id, pos, size, style)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ // Make an image list containing small icons
+ m_imageListNormal = new wxImageList(16, 16, TRUE);
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ // should correspond to TreeCtrlIcon_xxx enum
+ m_imageListNormal->Add(wxICON(icon1));
+ m_imageListNormal->Add(wxICON(icon2));
-#ifndef __GNUWIN32__
- ostream str(text);
+ SetImageList(m_imageListNormal);
- str << "OnGetInfo\n";
- str.flush();
-#endif
+ // Add some items to the tree
+ AddTestItemsToTree(3, 2);
}
-void MyTreeCtrl::OnSetInfo(wxTreeEvent& event)
+MyTreeCtrl::~MyTreeCtrl()
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
-
- str << "OnSetInfo\n";
- str.flush();
-#endif
+ delete m_imageListNormal;
}
-void MyTreeCtrl::OnItemExpanded(wxTreeEvent& event)
+void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
+ size_t numChildren,
+ size_t depth,
+ size_t folder)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
-
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ 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));
+ 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 << "OnItemExpanded\n";
- str.flush();
-#endif
+ AddItemsRecursively(rootId, numChildren, depth, 0);
}
-void MyTreeCtrl::OnItemExpanding(wxTreeEvent& 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 << "OnItemExpanding\n";
- str.flush();
-#endif
-}
+ wxString text=GetItemText(id);
+ wxLogMessage(text);
-void MyTreeCtrl::OnSelChanged(wxTreeEvent& event)
-{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ if (ItemHasChildren(id))
+ GetItemsRecursively(id,-1);
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
+ GetItemsRecursively(idParent, cookie);
+}
-#ifndef __GNUWIN32__
- ostream str(text);
- str << "OnSelChanged\n";
- str.flush();
-#endif
-}
+// avoid repetition
+#define TREE_EVENT_HANDLER(name) \
+ void MyTreeCtrl::name(wxTreeEvent& WXUNUSED(event)) \
+ { \
+ wxLogMessage(#name); \
+ }
-void MyTreeCtrl::OnSelChanging(wxTreeEvent& event)
+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)
+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::OnItemCollapsing(wxTreeEvent& event)
{
- if ( !wxGetApp().GetTopWindow() )
- return;
+ wxLogMessage("OnItemCollapsing");
- wxTextCtrl *text = ((MyFrame *)wxGetApp().GetTopWindow())->m_logWindow;
- if ( !text )
- return;
-
-#ifndef __GNUWIN32__
- ostream str(text);
+ // 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.");
- str << "OnSelChanging\n";
- str.flush();
-#endif
+ event.Veto();
+ }
}
-void MyTreeCtrl::OnKeyDown(wxTreeEvent& event)
+void MyTreeCtrl::OnTreeKeyDown(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("OnTreeKeyDown");
+}
- str << "OnKeyDown\n";
- str.flush();
-#endif
+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));
+}