+ // get the total number of items in the control
+ size_t GetCount() const;
+
+ // indent is the number of pixels the children are indented relative to
+ // the parents position. SetIndent() also redraws the control
+ // immediately.
+ unsigned int GetIndent() const;
+ void SetIndent(unsigned int indent);
+
+ // spacing is the number of pixels between the start and the Text
+ // not implemented under wxMSW
+ unsigned int GetSpacing() const { return 18; } // return wxGTK default
+ void SetSpacing(unsigned int ) {}
+
+ // image list: these functions allow to associate an image list with
+ // the control and retrieve it. Note that the control does _not_ delete
+ // the associated image list when it's deleted in order to allow image
+ // lists to be shared between different controls.
+ //
+ // The normal image list is for the icons which correspond to the
+ // normal tree item state (whether it is selected or not).
+ // Additionally, the application might choose to show a state icon
+ // which corresponds to an app-defined item state (for example,
+ // checked/unchecked) which are taken from the state image list.
+ wxImageList *GetImageList() const;
+ wxImageList *GetStateImageList() const;
+
+ void SetImageList(wxImageList *imageList);
+ void SetStateImageList(wxImageList *imageList);
+
+ // Functions to work with tree ctrl items. Unfortunately, they can _not_ be
+ // member functions of wxTreeItem because they must know the tree the item
+ // belongs to for Windows implementation and storing the pointer to
+ // wxTreeCtrl in each wxTreeItem is just too much waste.
+
+ // accessors
+ // ---------
+
+ // retrieve items label
+ wxString GetItemText(const wxTreeItemId& item) const;
+ // get the normal item image
+ int GetItemImage(const wxTreeItemId& item) const;
+ // get the selected item image
+ int GetItemSelectedImage(const wxTreeItemId& item) const;
+ // get the data associated with the item
+ wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
+
+ // modifiers
+ // ---------
+
+ // set items label
+ void SetItemText(const wxTreeItemId& item, const wxString& text);
+ // set the normal item image
+ void SetItemImage(const wxTreeItemId& item, int image);
+ // set the selected item image
+ void SetItemSelectedImage(const wxTreeItemId& item, int image);
+ // associate some data with the item
+ void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
+
+ // force appearance of [+] button near the item. This is useful to
+ // allow the user to expand the items which don't have any children now
+ // - but instead add them only when needed, thus minimizing memory
+ // usage and loading time.
+ void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE);
+
+ // the item will be shown in bold
+ void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
+
+ // the item will be shown with a drop highlight
+ void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE);
+
+ // item status inquiries
+ // ---------------------
+
+ // is the item visible (it might be outside the view or not expanded)?
+ bool IsVisible(const wxTreeItemId& item) const;
+ // does the item has any children?
+ bool ItemHasChildren(const wxTreeItemId& item) const;
+ // is the item expanded (only makes sense if HasChildren())?
+ bool IsExpanded(const wxTreeItemId& item) const;
+ // is this item currently selected (the same as has focus)?
+ bool IsSelected(const wxTreeItemId& item) const;
+ // is item text in bold font?
+ bool IsBold(const wxTreeItemId& item) const;
+
+ // number of children
+ // ------------------
+
+ // if 'recursively' is FALSE, only immediate children count, otherwise
+ // the returned number is the number of all items in this branch
+ size_t GetChildrenCount(const wxTreeItemId& item,
+ bool recursively = TRUE) const;
+
+ // navigation
+ // ----------
+
+ // wxTreeItemId.IsOk() will return FALSE if there is no such item
+
+ // get the root tree item
+ wxTreeItemId GetRootItem() const;
+
+ // get the item currently selected (may return NULL if no selection)
+ wxTreeItemId GetSelection() const;
+
+ // get the items currently selected, return the number of such item
+ //
+ // NB: this operation is expensive and can take a long time for a
+ // control with a lot of items (~ O(number of items)).
+ size_t GetSelections(wxArrayTreeItemIds& selections) const;
+
+ // get the parent of this item (may return NULL if root)
+ wxTreeItemId GetParent(const wxTreeItemId& item) const;
+
+ // for this enumeration function you must pass in a "cookie" parameter
+ // which is opaque for the application but is necessary for the library
+ // to make these functions reentrant (i.e. allow more than one
+ // enumeration on one and the same object simultaneously). Of course,
+ // the "cookie" passed to GetFirstChild() and GetNextChild() should be
+ // the same!
+
+ // get the first child of this item
+ wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& _cookie) const;
+ // get the next child
+ wxTreeItemId GetNextChild(const wxTreeItemId& item, long& _cookie) const;
+ // get the last child of this item - this method doesn't use cookies
+ wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
+
+ // get the next sibling of this item
+ wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
+ // get the previous sibling
+ wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
+
+ // get first visible item
+ wxTreeItemId GetFirstVisibleItem() const;
+ // get the next visible item: item must be visible itself!
+ // see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
+ wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
+ // get the previous visible item: item must be visible itself!
+ wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
+
projects / wxWidgets.git / blobdiff