for a particular toolkit.
@endStyleTable
+ @beginEventEmissionTable{wxTreeEvent}
+ @event{EVT_TREE_BEGIN_DRAG(id, func)}
+ Begin dragging with the left mouse button.
+ If you want to enable left-dragging you need to intercept this event
+ and explicitely call wxTreeEvent::Allow(), as it's vetoed by default.
+ @event{EVT_TREE_BEGIN_RDRAG(id, func)}
+ Begin dragging with the right mouse button.
+ If you want to enable right-dragging you need to intercept this event
+ and explicitely call wxTreeEvent::Allow(), as it's vetoed by default.
+ @event{EVT_TREE_END_DRAG(id, func)}
+ End dragging with the left or right mouse button.
+ @event{EVT_TREE_BEGIN_LABEL_EDIT(id, func)}
+ Begin editing a label. This can be prevented by calling Veto().
+ @event{EVT_TREE_END_LABEL_EDIT(id, func)}
+ Finish editing a label. This can be prevented by calling Veto().
+ @event{EVT_TREE_DELETE_ITEM(id, func)}
+ An item was deleted.
+ @event{EVT_TREE_GET_INFO(id, func)}
+ Request information from the application.
+ @event{EVT_TREE_SET_INFO(id, func)}
+ Information is being supplied.
+ @event{EVT_TREE_ITEM_ACTIVATED(id, func)}
+ The item has been activated, i.e. chosen by double clicking it with
+ mouse or from keyboard.
+ @event{EVT_TREE_ITEM_COLLAPSED(id, func)}
+ The item has been collapsed.
+ @event{EVT_TREE_ITEM_COLLAPSING(id, func)}
+ The item is being collapsed. This can be prevented by calling Veto().
+ @event{EVT_TREE_ITEM_EXPANDED(id, func)}
+ The item has been expanded.
+ @event{EVT_TREE_ITEM_EXPANDING(id, func)}
+ The item is being expanded. This can be prevented by calling Veto().
+ @event{EVT_TREE_ITEM_RIGHT_CLICK(id, func)}
+ The user has clicked the item with the right mouse button.
+ @event{EVT_TREE_ITEM_MIDDLE_CLICK(id, func)}
+ The user has clicked the item with the middle mouse button.
+ @event{EVT_TREE_SEL_CHANGED(id, func)}
+ Selection has changed.
+ @event{EVT_TREE_SEL_CHANGING(id, func)}
+ Selection is changing. This can be prevented by calling Veto().
+ @event{EVT_TREE_KEY_DOWN(id, func)}
+ A key has been pressed.
+ @event{EVT_TREE_ITEM_GETTOOLTIP(id, func)}
+ The opportunity to set the item tooltip is being given to the application
+ (call wxTreeEvent::SetToolTip). Windows only.
+ @event{EVT_TREE_ITEM_MENU(id, func)}
+ The context menu for the selected item has been requested, either by a
+ right click or by using the menu key.
+ @event{EVT_TREE_STATE_IMAGE_CLICK(id, func)}
+ The state image has been clicked. Windows only.
+ @endEventTable
+
+
See also @ref overview_windowstyles.
@b Win32 @b notes:
@library{wxcore}
@category{ctrl}
- <!-- @appearance{treectrl.png} -->
+ @appearance{treectrl.png}
- @see wxDataViewTreeCtrl, wxTreeEvent, wxTreeItemData, @ref overview_treectrl, wxListBox,
- wxListCtrl, wxImageList
+ @see wxDataViewTreeCtrl, wxTreeEvent, wxTreeItemData, @ref overview_treectrl,
+ wxListBox, wxListCtrl, wxImageList
*/
class wxTreeCtrl : public wxControl
{
Window identifier. The value @c wxID_ANY indicates a default value.
@param pos
Window position.
+ If ::wxDefaultPosition is specified then a default position is chosen.
@param size
- Window size. If wxDefaultSize is specified then the window is sized
- appropriately.
+ Window size.
+ If ::wxDefaultSize is specified then the window is sized appropriately.
@param style
Window style. See wxTreeCtrl.
@param validator
@see Create(), wxValidator
*/
- wxTreeCtrl(wxWindow* parent, wxWindowID id,
+ wxTreeCtrl(wxWindow* parent, wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
- long style = wxTR_HAS_BUTTONS,
+ long style = wxTR_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
- const wxString& name = "treeCtrl");
+ const wxString& name = wxTreeCtrlNameStr);
/**
Destructor, destroying the tree control.
*/
- ~wxTreeCtrl();
+ virtual ~wxTreeCtrl();
/**
Adds the root node to the tree, returning the new item.
items, respectively. If @a image -1 and @a selImage is -1, the same
image is used for both selected and unselected items.
*/
- wxTreeItemId AddRoot(const wxString& text, int image = -1,
- int selImage = -1,
- wxTreeItemData* data = NULL);
+ virtual wxTreeItemId AddRoot(const wxString& text, int image = -1,
+ int selImage = -1,
+ wxTreeItemData* data = NULL);
/**
Appends an item to the end of the branch identified by @a parent, return
/**
Collapses the given item.
*/
- void Collapse(const wxTreeItemId& item);
+ virtual void Collapse(const wxTreeItemId& item);
/**
Collapses the root item.
/**
Collapses the given item and removes all children.
*/
- void CollapseAndReset(const wxTreeItemId& item);
+ virtual void CollapseAndReset(const wxTreeItemId& item);
/**
- Creates the tree control. See wxTreeCtrl::wxTreeCtrl() for further
- details.
+ Creates the tree control.
+ See wxTreeCtrl::wxTreeCtrl() for further details.
*/
- bool Create(wxWindow* parent, wxWindowID id,
+ bool Create(wxWindow* parent, wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
- long style = wxTR_HAS_BUTTONS,
+ long style = wxTR_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
- const wxString& name = "treeCtrl");
+ const wxString& name = wxTreeCtrlNameStr);
/**
- Deletes the specified item. A EVT_TREE_DELETE_ITEM() event will be
+ Deletes the specified item. A @c EVT_TREE_DELETE_ITEM event will be
generated.
This function may cause a subsequent call to GetNextChild() to fail.
*/
- void Delete(const wxTreeItemId& item);
+ virtual void Delete(const wxTreeItemId& item);
/**
Deletes all items in the control. Note that this may not generate
- EVT_TREE_DELETE_ITEM() events under some Windows versions although
+ @c EVT_TREE_DELETE_ITEM events under some Windows versions although
normally such event is generated for each removed item.
*/
- void DeleteAllItems();
+ virtual void DeleteAllItems();
/**
Deletes all children of the given item (but not the item itself). Note
If you have called SetItemHasChildren(), you may need to call it again
since DeleteChildren() does not automatically clear the setting.
*/
- void DeleteChildren(const wxTreeItemId& item);
+ virtual void DeleteChildren(const wxTreeItemId& item);
/**
Starts editing the label of the given @a item. This function generates a
- EVT_TREE_BEGIN_LABEL_EDIT() event which can be vetoed so that no text
+ @c EVT_TREE_BEGIN_LABEL_EDIT event which can be vetoed so that no text
control will appear for in-place editing.
If the user changed the label (i.e. s/he does not press ESC or leave the
- text control without changes, a EVT_TREE_END_LABEL_EDIT() event will be
+ text control without changes, a @c EVT_TREE_END_LABEL_EDIT event will be
sent which can be vetoed as well.
@see EndEditLabel(), wxTreeEvent
*/
- void EditLabel(const wxTreeItemId& item);
+ virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
+ wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
/**
Ends label editing. If @a cancelEdit is @true, the edit will be
@see EditLabel()
*/
- void EndEditLabel(bool cancelEdit);
+ virtual void EndEditLabel(const wxTreeItemId& item, bool discardChanges = false);
/**
Scrolls and/or expands items to ensure that the given item is visible.
*/
- void EnsureVisible(const wxTreeItemId& item);
+ virtual void EnsureVisible(const wxTreeItemId& item);
/**
Expands the given item.
*/
- void Expand(const wxTreeItemId& item);
+ virtual void Expand(const wxTreeItemId& item);
/**
Expands all items in the tree.
None.
@endWxPythonOnly
*/
- bool GetBoundingRect(const wxTreeItemId& item, wxRect& rect,
- bool textOnly = false) const;
+ virtual bool GetBoundingRect(const wxTreeItemId& item, wxRect& rect,
+ bool textOnly = false) const;
/**
Returns the buttons image list (from which application-defined button
returns the total number of descendants, otherwise only one level of
children is counted.
*/
- unsigned int GetChildrenCount(const wxTreeItemId& item,
- bool recursively = true) const;
+ virtual size_t GetChildrenCount(const wxTreeItemId& item,
+ bool recursively = true) const;
/**
Returns the number of items in the control.
*/
- unsigned int GetCount() const;
+ virtual unsigned int GetCount() const;
/**
Returns the edit control being currently used to edit a label. Returns
@note This is currently only implemented for wxMSW.
*/
- wxTextCtrl* GetEditControl() const;
+ virtual wxTextCtrl* GetEditControl() const;
/**
Returns the first child; call GetNextChild() for the next child.
@see GetNextChild(), GetNextSibling()
*/
- wxTreeItemId GetFirstChild(const wxTreeItemId& item,
- wxTreeItemIdValue& cookie) const;
+ virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
/**
Returns the first visible item.
*/
- wxTreeItemId GetFirstVisibleItem() const;
+ virtual wxTreeItemId GetFirstVisibleItem() const;
+
+ /**
+ Returns the item last clicked or otherwise selected.
+ Unlike GetSelection(), it can be used whether or not
+ the control has the @c wxTR_MULTIPLE style.
+
+ @since 2.9.1
+ */
+ virtual wxTreeItemId GetFocusedItem() const;
/**
Returns the normal image list.
/**
Returns the current tree control indentation.
*/
- int GetIndent() const;
+ virtual unsigned int GetIndent() const;
/**
Returns the background colour of the item.
*/
- wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
+ virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
/**
Returns the tree item data associated with the item.
wxTreeItemData for the given item Id.
@endWxPythonOnly
*/
- wxTreeItemData* GetItemData(const wxTreeItemId& item) const;
+ virtual wxTreeItemData* GetItemData(const wxTreeItemId& item) const;
/**
Returns the font of the item label.
*/
- wxFont GetItemFont(const wxTreeItemId& item) const;
+ virtual wxFont GetItemFont(const wxTreeItemId& item) const;
/**
Gets the specified item image. The value of @a which may be:
- ::wxTreeItemIcon_SelectedExpanded: to get the selected expanded image
(which is shown when an expanded item is currently selected).
*/
- int GetItemImage(const wxTreeItemId& item,
- wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
+ virtual int GetItemImage(const wxTreeItemId& item,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
/**
Returns the item's parent.
*/
- wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
-
- /**
- Gets the selected item image (this function is obsolete, use @ref
- GetItemImage() "GetItemImage"( @a item, ::wxTreeItemIcon_Selected)
- instead).
- */
- int GetItemSelectedImage(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
/**
Gets the specified item state.
/**
Returns the item label.
*/
- wxString GetItemText(const wxTreeItemId& item) const;
+ virtual wxString GetItemText(const wxTreeItemId& item) const;
/**
Returns the colour of the item label.
*/
- wxColour GetItemTextColour(const wxTreeItemId& item) const;
+ virtual wxColour GetItemTextColour(const wxTreeItemId& item) const;
/**
Returns the last child of the item (or an invalid tree item if this item
@see GetFirstChild(), GetNextSibling(), GetLastChild()
*/
- wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
/**
Returns the next child; call GetFirstChild() for the first child. For
@see GetFirstChild()
*/
- wxTreeItemId GetNextChild(const wxTreeItemId& item,
- wxTreeItemIdValue& cookie) const;
+ virtual wxTreeItemId GetNextChild(const wxTreeItemId& item,
+ wxTreeItemIdValue& cookie) const;
/**
Returns the next sibling of the specified item; call GetPrevSibling()
@see GetPrevSibling()
*/
- wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
/**
Returns the next visible item or an invalid item if this item is the
@note The @a item itself must be visible.
*/
- wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
/**
Returns the previous sibling of the specified item; call
@see GetNextSibling()
*/
- wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
/**
Returns the previous visible item or an invalid item if this item is the
@note The @a item itself must be visible.
*/
- wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
+ virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
/**
Returns @true if the control will use a quick calculation for the best
/**
Returns the root item for the tree control.
*/
- wxTreeItemId GetRootItem() const;
+ virtual wxTreeItemId GetRootItem() const;
/**
Returns the selection, or an invalid item if there is no selection. This
function only works with the controls without @c wxTR_MULTIPLE style,
- use GetSelections() for the controls which do have this style.
+ use GetSelections() for the controls which do have this style
+ or, if a single item is wanted, use GetFocusedItem().
*/
- wxTreeItemId GetSelection() const;
+ virtual wxTreeItemId GetSelection() const;
/**
Fills the array of tree items passed in with the currently selected
Python list of @ref wxTreeItemId "wxTreeItemId"s.
@endWxPythonOnly
*/
- unsigned int GetSelections(wxArrayTreeItemIds& selection) const;
+ virtual size_t GetSelections(wxArrayTreeItemIds& selection) const;
/**
Returns the state image list (from which application-defined state
- @c wxTREE_HITTEST_NOWHERE: In the client area but below the last item.
- @c wxTREE_HITTEST_ONITEMBUTTON: On the button associated with an item.
- @c wxTREE_HITTEST_ONITEMICON: On the bitmap associated with an item.
- - @c wxTREE_HITTEST_ONITEMINDENT: In the indentation associated with an
- item.
- - @c wxTREE_HITTEST_ONITEMLABEL: On the label (string) associated with
- an item.
+ - @c wxTREE_HITTEST_ONITEMINDENT: In the indentation associated with an item.
+ - @c wxTREE_HITTEST_ONITEMLABEL: On the label (string) associated with an item.
- @c wxTREE_HITTEST_ONITEMRIGHT: In the area to the right of an item.
- @c wxTREE_HITTEST_ONITEMSTATEICON: On the state icon for a tree view
- item that is in a user-defined state.
+ item that is in a user-defined state.
- @c wxTREE_HITTEST_TOLEFT: To the right of the client area.
- @c wxTREE_HITTEST_TORIGHT: To the left of the client area.
@see SetItemBold()
*/
- bool IsBold(const wxTreeItemId& item) const;
+ virtual bool IsBold(const wxTreeItemId& item) const;
/**
Returns @true if the control is empty (i.e. has no items, even no root
Returns @true if the item is expanded (only makes sense if it has
children).
*/
- bool IsExpanded(const wxTreeItemId& item) const;
+ virtual bool IsExpanded(const wxTreeItemId& item) const;
/**
Returns @true if the item is selected.
*/
- bool IsSelected(const wxTreeItemId& item) const;
+ virtual bool IsSelected(const wxTreeItemId& item) const;
/**
Returns @true if the item is visible on the screen.
*/
- bool IsVisible(const wxTreeItemId& item) const;
+ virtual bool IsVisible(const wxTreeItemId& item) const;
/**
Returns @true if the item has children.
*/
- bool ItemHasChildren(const wxTreeItemId& item) const;
+ virtual bool ItemHasChildren(const wxTreeItemId& item) const;
/**
Override this function in the derived class to change the sort order of
@see SortChildren()
*/
- int OnCompareItems(const wxTreeItemId& item1,
- const wxTreeItemId& item2);
+ virtual int OnCompareItems(const wxTreeItemId& item1,
+ const wxTreeItemId& item2);
/**
Appends an item as the first child of @a parent, return a new item id.
/**
Scrolls the specified item into view.
*/
- void ScrollTo(const wxTreeItemId& item);
+ virtual void ScrollTo(const wxTreeItemId& item);
/**
Selects the given item. In multiple selection controls, can be also used
to deselect a currently selected item if the value of @a select is
@false.
*/
- void SelectItem(const wxTreeItemId& item, bool select = true);
+ virtual void SelectItem(const wxTreeItemId& item, bool select = true);
/**
Sets the buttons image list (from which application-defined button
@see AssignImageList().
*/
- void SetImageList(wxImageList* imageList);
+ virtual void SetImageList(wxImageList* imageList);
/**
Sets the indentation for the tree control.
*/
- void SetIndent(int indent);
+ virtual void SetIndent(unsigned int indent);
/**
Sets the colour of the item's background.
*/
- void SetItemBackgroundColour(const wxTreeItemId& item,
- const wxColour& col);
+ virtual void SetItemBackgroundColour(const wxTreeItemId& item,
+ const wxColour& col);
/**
Makes item appear in bold font if @a bold parameter is @true or resets
@see IsBold()
*/
- void SetItemBold(const wxTreeItemId& item, bool bold = true);
+ virtual void SetItemBold(const wxTreeItemId& item, bool bold = true);
/**
Sets the item client data.
+ Notice that the client data previously associated with the @a item (if
+ any) is @em not freed by this function and so calling this function
+ multiple times for the same item will result in memory leaks unless you
+ delete the old item data pointer yourself.
+
@beginWxPythonOnly
- @b SetPyData( @a item, @c obj): Associate the given Python Object with
the wxTreeItemData for the given item Id.
@endWxPythonOnly
*/
- void SetItemData(const wxTreeItemId& item, wxTreeItemData* data);
+ virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData* data);
/**
(as opposed to a DnD operation within the tree control, which already
is implemented internally).
*/
- void SetItemDropHighlight(const wxTreeItemId& item,
- bool highlight = true);
+ virtual void SetItemDropHighlight(const wxTreeItemId& item,
+ bool highlight = true);
/**
Sets the item's font. All items in the tree should have the same height
@see SetItemBold()
*/
- void SetItemFont(const wxTreeItemId& item, const wxFont& font);
+ virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font);
/**
Force appearance of the button next to the item. This is useful to
but instead adding them only when needed, thus minimizing memory
usage and loading time.
*/
- void SetItemHasChildren(const wxTreeItemId& item,
- bool hasChildren = true);
+ virtual void SetItemHasChildren(const wxTreeItemId& item,
+ bool hasChildren = true);
/**
Sets the specified item's image. See GetItemImage() for the description
of the @a which parameter.
*/
- void SetItemImage(const wxTreeItemId& item, int image,
- wxTreeItemIcon which = wxTreeItemIcon_Normal);
-
- /**
- Sets the selected item image (this function is obsolete, use @ref
- SetItemImage() "SetItemImage"( @a item, ::wxTreeItemIcon_Selected )
- instead).
- */
- void SetItemSelectedImage(const wxTreeItemId& item, int selImage);
+ virtual void SetItemImage(const wxTreeItemId& item, int image,
+ wxTreeItemIcon which = wxTreeItemIcon_Normal);
/**
Sets the specified item state. The value of @a state may be:
/**
Sets the item label.
*/
- void SetItemText(const wxTreeItemId& item, const wxString& text);
+ virtual void SetItemText(const wxTreeItemId& item, const wxString& text);
/**
Sets the colour of the item's text.
*/
- void SetItemTextColour(const wxTreeItemId& item,
- const wxColour& col);
+ virtual void SetItemTextColour(const wxTreeItemId& item,
+ const wxColour& col);
/**
If @true is passed, specifies that the control will use a quick
@see AssignStateImageList().
*/
- void SetStateImageList(wxImageList* imageList);
+ virtual void SetStateImageList(wxImageList* imageList);
/**
Sets the mode flags associated with the display of the tree control. The
@see wxTreeItemData, OnCompareItems()
*/
- void SortChildren(const wxTreeItemId& item);
+ virtual void SortChildren(const wxTreeItemId& item);
/**
Toggles the given item between collapsed and expanded states.
*/
- void Toggle(const wxTreeItemId& item);
+ virtual void Toggle(const wxTreeItemId& item);
/**
Toggles the given item between selected and unselected states. For
/**
Removes the selection from the currently selected item (if any).
*/
- void Unselect();
+ virtual void Unselect();
/**
This function either behaves the same as Unselect() if the control
doesn't have @c wxTR_MULTIPLE style, or removes the selection from all
items if it does have this style.
*/
- void UnselectAll();
+ virtual void UnselectAll();
/**
Unselects the given item. This works in multiselection controls only.
@beginEventTable{wxTreeEvent}
@event{EVT_TREE_BEGIN_DRAG(id, func)}
- Begin dragging with the left mouse button.
+ Begin dragging with the left mouse button. If you want to enable
+ left-dragging you need to intercept this event and explicitely call
+ wxTreeEvent::Allow(), as it's vetoed by default. Also notice that the
+ control must have an associated image list (see SetImageList()) to
+ drag its items under MSW.
@event{EVT_TREE_BEGIN_RDRAG(id, func)}
- Begin dragging with the right mouse button.
+ Begin dragging with the right mouse button. If you want to enable
+ right-dragging you need to intercept this event and explicitely call
+ wxTreeEvent::Allow(), as it's vetoed by default.
@event{EVT_TREE_END_DRAG(id, func)}
End dragging with the left or right mouse button.
@event{EVT_TREE_BEGIN_LABEL_EDIT(id, func)}
/**
Constructor, used by wxWidgets itself only.
*/
- wxTreeEvent(wxEventType commandType, wxTreeCtrl* tree);
+ wxTreeEvent(wxEventType commandType, wxTreeCtrl* tree,
+ const wxTreeItemId& item = wxTreeItemId());
/**
Returns the item (valid for all events).
int GetKeyCode() const;
/**
- Returns the key event for EVT_TREE_KEY_DOWN() events.
+ Returns the key event for @c EVT_TREE_KEY_DOWN events.
*/
- const wxKeyEvent GetKeyEvent() const;
+ const wxKeyEvent& GetKeyEvent() const;
/**
Returns the label if the event is a begin or end edit label event.
*/
- const wxString GetLabel() const;
+ const wxString& GetLabel() const;
/**
- Returns the old item index (valid for EVT_TREE_ITEM_CHANGING() and
- EVT_TREE_ITEM_CHANGED() events).
+ Returns the old item index (valid for @c EVT_TREE_ITEM_CHANGING and
+ @c EVT_TREE_ITEM_CHANGED events).
*/
wxTreeItemId GetOldItem() const;
/**
Returns @true if the label edit was cancelled. This should be called
- from within an EVT_TREE_END_LABEL_EDIT() handler.
+ from within an @c EVT_TREE_END_LABEL_EDIT handler.
*/
bool IsEditCancelled() const;
/**
- Set the tooltip for the item (valid for EVT_TREE_ITEM_GETTOOLTIP()
+ Set the tooltip for the item (valid for @c EVT_TREE_ITEM_GETTOOLTIP
events). Windows only.
*/
void SetToolTip(const wxString& tooltip);
projects / wxWidgets.git / blobdiff