#include "wx/wx.h"
#endif
+#include "wx/log.h"
+
+#include "wx/image.h"
+#include "wx/imaglist.h"
+#include "wx/treectrl.h"
+
+#include "math.h"
+
+#ifdef __WXMSW__
+ // this is not supported at all under MSW
+ #define NO_VARIABLE_HEIGHT
+
+ #define NO_MULTIPLE_SELECTION
+
+ // this is supported (so the next line may be uncommented) but not very
+ // well :-(
+ #undef NO_MULTIPLE_SELECTION
+#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
-#include "wx/log.h"
-
-#include "wx/imaglist.h"
-#include "wx/treectrl.h"
-
-#include "treetest.h"
+// 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_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_ITEM_COLLAPSED(TREE_CTRL, MyTreeCtrl::OnItemCollapsed)
- EVT_TREE_ITEM_COLLAPSING(TREE_CTRL, MyTreeCtrl::OnItemCollapsing)
- 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("wxTreeCtrl Test", 50, 50, 450, 340);
+ // Create the main frame window
+ MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 340);
- // 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(TREE_ABOUT, "&About...");
- file_menu->Append(TREE_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, TREE_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));
+
+ // 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_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);
+
+ 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);
+ delete wxLog::SetActiveTarget(NULL);
+}
+
+void MyFrame::OnSize(wxSizeEvent& event)
+{
+ if ( m_treeCtrl && m_textCtrl )
+ {
+ Resize(GetClientSize());
+ }
+
+ event.Skip();
+}
+
+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);
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- Close(TRUE);
+ Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageDialog dialog(this, "Tree test sample\nJulian 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);
+}
+
+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();
+
+ CHECK_ITEM( root );
+
+ m_treeCtrl->GetItemsRecursively(root, -1);
+}
+
+#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 MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
+{
+ wxArrayTreeItemIds array;
- dialog.ShowModal();
+ size_t count = m_treeCtrl->GetSelections(array);
+ wxLogMessage(wxT("%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::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();
+
+ 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();
+}
+
+void MyFrame::OnRecreate(wxCommandEvent& event)
+{
+ OnDeleteAll(event);
+ m_treeCtrl->AddTestItemsToTree(3, 2);
+}
+
+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))
+{
+ m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), 1, "2nd item");
+}
+
+void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
+{
+ static int s_num = 0;
+
+ wxString text;
+ text.Printf("Item #%d", ++s_num);
+
+ m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
+ text /*,
+ MyTreeCtrl::TreeCtrlIcon_File */ );
+}
+
+void MyFrame::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);
}
// 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)
{
- // Make an image list containing small icons
- m_imageListNormal = new wxImageList(16, 16, TRUE);
+#ifndef NO_VARIABLE_HEIGHT
+#if wxUSE_LIBJPEG
+ wxImage::AddHandler(new wxJPEGHandler);
+ wxImage image;
- // should correspond to TreeCtrlIcon_xxx enum
- m_imageListNormal->Add(wxICON(icon1));
- m_imageListNormal->Add(wxICON(icon2));
+ 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));
+ 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
+# ifndef NO_VARIABLE_HEIGHT
+ m_imageListNormal->Add(image.ConvertToBitmap());
+# else
+ m_imageListNormal->Add(wxICON(icon1));
+# endif
+ m_imageListNormal->Add(wxICON(icon2));
+ m_imageListNormal->Add(wxICON(icon3));
+ m_imageListNormal->Add(wxICON(icon4));
+ m_imageListNormal->Add(wxICON(icon5));
+#endif
- SetImageList(m_imageListNormal);
+ SetImageList(m_imageListNormal);
- // Add some items to the tree
- AddTestItemsToTree(4, 3);
+ // Add some items to the tree
+ AddTestItemsToTree(3, 2);
}
MyTreeCtrl::~MyTreeCtrl()
{
- delete m_imageListNormal;
+ 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,
size_t numChildren,
- size_t depth)
+ 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
- str.Printf("%s child %d", depth == 1 ? "File" : "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);
+ 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 = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
+ wxTreeItemId id = AppendItem(idParent, str, image, image + 1,
+ new MyTreeItemData(str));
+
+ // and now we also set the expanded one (only for the folders)
+ if ( hasChildren )
+ {
+ 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)
{
- long rootId = AddRoot("Root",
- TreeCtrlIcon_Folder, TreeCtrlIcon_Folder,
- new MyTreeItemData("Root item"));
+ wxTreeItemId rootId = AddRoot("Root",
+ TreeCtrlIcon_Folder, TreeCtrlIcon_Folder,
+ new MyTreeItemData("Root item"));
+ 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::GetItemsRecursively(const wxTreeItemId& idParent, long cookie)
+{
+ wxTreeItemId id;
+
+ if( cookie == -1 )
+ id = GetFirstChild(idParent, cookie);
+ else
+ id = GetNextChild(idParent, cookie);
+
+ if(id <= 0)
+ return;
+
+ wxString text = GetItemText(id);
+ wxLogMessage(text);
+
+ if (ItemHasChildren(id))
+ GetItemsRecursively(id,-1);
- AddItemsRecursively(rootId, numChildren, depth);
+ 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(#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)
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.
+ AppendItem(itemDst, text, TreeCtrlIcon_File);
+}
+
+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");
+ wxLogMessage("OnItemCollapsing");
- // 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.");
+ // 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();
- }
+ event.Veto();
+ }
}
-void MyTreeCtrl::OnKeyDown(wxTreeEvent& event)
+void MyTreeCtrl::OnItemActivated(wxTreeEvent&WXUNUSED(event))
{
- // show some info about this item
- wxTreeItemId itemId = GetSelection();
- MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
+ // show some info about this item
+ wxTreeItemId itemId = GetSelection();
+ MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
+
+ if ( item != NULL )
+ {
+ item->ShowInfo(this);
+ }
- if ( item != NULL )
- {
- item->ShowInfo(this);
- }
+ wxLogMessage("OnItemActivated");
+}
- wxLogMessage("OnKeyDown");
+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 ";
+ return b ? "" : "not ";
}
void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
{
- wxLogMessage("Item '%s': %sselected, %sexpanded.",
- m_desc.c_str(),
- Bool2String(tree->IsSelected(GetId())),
- Bool2String(tree->IsExpanded(GetId())));
+ 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));
}
projects / wxWidgets.git / blobdiff