#include "math.h"
-#ifdef __WXMSW__
- // comment out this line to test multiple selection even under MSW (where
- // it looks ugly - but works)
- #define NO_MULTIPLE_SELECTION
+#ifdef __WIN32__
+ // this is not supported by native control
+ #define NO_VARIABLE_HEIGHT
#endif
-#define NO_VARIABLE_HEIGHT
-
#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"
+ #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
}
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_SIZE(MyFrame::OnSize)
+
EVT_MENU(TreeTest_Quit, MyFrame::OnQuit)
EVT_MENU(TreeTest_About, MyFrame::OnAbout)
EVT_MENU(TreeTest_Dump, MyFrame::OnDump)
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_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)
BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
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)
bool MyApp::OnInit()
{
// Create the main frame window
- MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 340);
+ MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 600);
// Show the frame
frame->Show(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))
+ : 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
file_menu->Append(TreeTest_About, "&About...");
file_menu->AppendSeparator();
- file_menu->Append(TreeTest_Quit, "E&xit");
+ 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");
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
+#endif // NO_MULTIPLE_SELECTION
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
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_MULTIPLE_SELECTION
- wxTR_MULTIPLE |
-#endif
#ifndef NO_VARIABLE_HEIGHT
wxTR_HAS_VARIABLE_ROW_HEIGHT |
#endif
wxSUNKEN_BORDER);
- wxTextCtrl *textCtrl = new wxTextCtrl(this, -1, "",
+
+ m_treeCtrl->SetBackgroundColour(wxColour(204, 205, 79));
+
+ m_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);
delete wxLog::SetActiveTarget(new wxLogStderr);
#else
// set our text control as the log target
- wxLogTextCtrl *logWindow = new wxLogTextCtrl(textCtrl);
+ wxLogTextCtrl *logWindow = new wxLogTextCtrl(m_textCtrl);
delete wxLog::SetActiveTarget(logWindow);
#endif
}
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);
CHECK_ITEM( item );
int i = m_treeCtrl->GetChildrenCount( item, FALSE );
-
- wxLogMessage(T("%d children"), i);
+
+ wxLogMessage(wxT("%d children"), i);
}
void MyFrame::OnCountRec(wxCommandEvent& WXUNUSED(event))
CHECK_ITEM( item );
int i = m_treeCtrl->GetChildrenCount( item );
-
- wxLogMessage(T("%d children"), i);
+
+ wxLogMessage(wxT("%d children"), i);
}
void MyFrame::DoSort(bool reverse)
#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;
size_t count = m_treeCtrl->GetSelections(array);
- wxLogMessage(T("%u items selected"), count);
+ wxLogMessage(wxT("%u items selected"), count);
for ( size_t n = 0; n < count; n++ )
{
m_treeCtrl->AddTestItemsToTree(3, 2);
}
+void MyFrame::OnSetImageSize(wxCommandEvent& event)
+{
+ long size = wxGetNumberFromUser("Enter the size for the images to use",
+ "Size: ",
+ "TreeCtrl sample",
+ 32);
+ if ( size == -1 )
+ return;
+
+ m_treeCtrl->CreateImageList((int)size);
+
+ OnRecreate(event);
+}
+
+void MyFrame::OnToggleImages(wxCommandEvent& event)
+{
+ wxGetApp().SetShowImages(!wxGetApp().ShowImages());
+
+ OnRecreate(event);
+}
+
void MyFrame::OnCollapseAndReset(wxCommandEvent& event)
{
m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
m_treeCtrl->DoEnsureVisible();
}
+void MyFrame::OnInsertItem(wxCommandEvent& WXUNUSED(event))
+{
+ int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_File : -1;
+ m_treeCtrl->InsertItem(m_treeCtrl->GetRootItem(), image, "2nd item");
+}
+
void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
{
static int s_num = 0;
long style)
: wxTreeCtrl(parent, id, pos, size, style)
{
-#ifndef NO_VARIABLE_HEIGHT
-#if wxUSE_LIBJPEG
- wxImage::AddHandler(new wxJPEGHandler);
- wxImage image;
+ m_reverseSort = FALSE;
- image.LoadFile(wxString("horse.jpg"), wxBITMAP_TYPE_JPEG );
-#endif
-#endif
+ CreateImageList();
- m_reverseSort = FALSE;
+ // Add some items to the tree
+ AddTestItemsToTree(3, 2);
+}
+
+void MyTreeCtrl::CreateImageList(int size)
+{
+ delete m_imageListNormal;
+
+ if ( size == -1 )
+ {
+ m_imageListNormal = NULL;
+
+ return;
+ }
// Make an image list containing small icons
- m_imageListNormal = new wxImageList(16, 16, TRUE);
+ m_imageListNormal = new wxImageList(size, size, 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));
+ 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);
-
- // Add some items to the tree
- AddTestItemsToTree(3, 2);
}
MyTreeCtrl::~MyTreeCtrl()
// 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,
+ 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 )
+ if ( hasChildren && wxGetApp().ShowImages() )
{
SetItemImage(id, TreeCtrlIcon_FolderOpened,
wxTreeItemIcon_Expanded);
void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
size_t depth)
{
+ int image = wxGetApp().ShowImages() ? MyTreeCtrl::TreeCtrlIcon_Folder : -1;
wxTreeItemId rootId = AddRoot("Root",
- TreeCtrlIcon_Folder, TreeCtrlIcon_Folder,
+ image, image,
new MyTreeItemData("Root item"));
- SetItemImage(rootId, TreeCtrlIcon_FolderOpened, wxTreeItemIcon_Expanded);
+ 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::GetItemsRecursively(const wxTreeItemId& idParent, long cookie)
// avoid repetition
#define TREE_EVENT_HANDLER(name) \
-void MyTreeCtrl::name(wxTreeEvent& WXUNUSED(event)) \
+void MyTreeCtrl::name(wxTreeEvent& event) \
{ \
wxLogMessage(#name); \
+ event.Skip(); \
}
-TREE_EVENT_HANDLER(OnBeginDrag)
TREE_EVENT_HANDLER(OnBeginRDrag)
TREE_EVENT_HANDLER(OnDeleteItem)
TREE_EVENT_HANDLER(OnGetInfo)
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");
}
}
-void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent&WXUNUSED(event))
-{
- wxLogMessage("OnTreeKeyDown");
-}
-
-void MyTreeCtrl::OnItemActivated(wxTreeEvent&WXUNUSED(event))
+void MyTreeCtrl::OnItemActivated(wxTreeEvent& event)
{
// show some info about this item
- wxTreeItemId itemId = GetSelection();
+ wxTreeItemId itemId = event.GetItem();
MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
if ( item != NULL )