fix memory leak; allocate the DC before SetFont() is called on the status bar

[wxWidgets.git] / include / wx / treectrl.h

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index 873d77905921d09cfdcbbb2dd2720d22f9d0bb2a..81e24a8e8c43881ba8bfb392bac31b1e627749a3 100644 (file)
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -24,13 +24,13 @@
 #include "wx/treebase.h"
 #include "wx/textctrl.h" // wxTextCtrl::ms_classinfo used through CLASSINFO macro
 
-class WXDLLEXPORT wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
 
 // ----------------------------------------------------------------------------
 // wxTreeCtrlBase
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxTreeCtrlBase : public wxControl
+class WXDLLIMPEXP_CORE wxTreeCtrlBase : public wxControl
 {
 public:
     wxTreeCtrlBase()
@@ -118,12 +118,18 @@ public:
         // get the item's font
     virtual wxFont GetItemFont(const wxTreeItemId& item) const = 0;
 
+        // get the items state
+    int GetItemState(const wxTreeItemId& item) const
+    {
+        return DoGetItemState(item);
+    }
+
     // modifiers
     // ---------
 
         // set items label
     virtual void SetItemText(const wxTreeItemId& item, const wxString& text) = 0;
-        // get one of the images associated with the item (normal by default)
+        // set one of the images associated with the item (normal by default)
     virtual void SetItemImage(const wxTreeItemId& item,
                               int image,
                               wxTreeItemIcon which = wxTreeItemIcon_Normal) = 0;
@@ -156,6 +162,9 @@ public:
     virtual void SetItemFont(const wxTreeItemId& item,
                              const wxFont& font) = 0;
 
+        // set the items state (special state values: wxTREE_ITEMSTATE_NONE/NEXT/PREV)
+    void SetItemState(const wxTreeItemId& item, int state);
+
     // item status inquiries
     // ---------------------
 
@@ -172,6 +181,9 @@ public:
     virtual bool IsSelected(const wxTreeItemId& item) const = 0;
         // is item text in bold font?
     virtual bool IsBold(const wxTreeItemId& item) const = 0;
+        // is the control empty?
+    bool IsEmpty() const;
+
 
     // number of children
     // ------------------
@@ -287,8 +299,16 @@ public:
 
         // expand this item
     virtual void Expand(const wxTreeItemId& item) = 0;
+        // expand the item and all its children recursively
+    void ExpandAllChildren(const wxTreeItemId& item);
+        // expand all items
+    void ExpandAll();
         // collapse the item without removing its children
     virtual void Collapse(const wxTreeItemId& item) = 0;
+        // collapse the item and all its children
+    void CollapseAllChildren(const wxTreeItemId& item);
+        // collapse all items
+    void CollapseAll();
         // collapse the item and remove all children
     virtual void CollapseAndReset(const wxTreeItemId& item) = 0;
         // toggles the current state
@@ -353,9 +373,9 @@ public:
         // coordinates specified are relative to the client area of tree ctrl)
         // and, in the second variant, fill the flags parameter with a bitmask
         // of wxTREE_HITTEST_xxx constants.
-    wxTreeItemId HitTest(const wxPoint& point)
+    wxTreeItemId HitTest(const wxPoint& point) const
         { int dummy; return DoTreeHitTest(point, dummy); }
-    wxTreeItemId HitTest(const wxPoint& point, int& flags)
+    wxTreeItemId HitTest(const wxPoint& point, int& flags) const
         { return DoTreeHitTest(point, flags); }
 
         // get the bounding rectangle of the item (or of its label only)
@@ -376,6 +396,10 @@ public:
 protected:
     virtual wxSize DoGetBestSize() const;
 
+    // comon part of Get/SetItemState()
+    virtual int DoGetItemState(const wxTreeItemId& item) const = 0;
+    virtual void DoSetItemState(const wxTreeItemId& item, int state) = 0;
+
     // common part of Append/Prepend/InsertItem()
     //
     // pos is the position at which to insert the item or (size_t)-1 to append
@@ -398,7 +422,8 @@ protected:
     // real HitTest() implementation: again, can't be called just HitTest()
     // because it's overloaded and so the non-virtual overload would be hidden
     // (and can't be called DoHitTest() because this is already in wxWindow)
-    virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) = 0;
+    virtual wxTreeItemId DoTreeHitTest(const wxPoint& point,
+                                        int& flags) const = 0;
 
 
     wxImageList *m_imageListNormal, // images for tree elements
@@ -413,7 +438,7 @@ protected:
     bool        m_quickBestSize;
 
 
-    DECLARE_NO_COPY_CLASS(wxTreeCtrlBase)
+    wxDECLARE_NO_COPY_CLASS(wxTreeCtrlBase);
 };
 
 // ----------------------------------------------------------------------------
@@ -423,7 +448,7 @@ protected:
 #if defined(__WXUNIVERSAL__)
     #include "wx/generic/treectlg.h"
 #elif defined(__WXPALMOS__)
-    #include "wx/palmos/treectrl.h"
+    #include "wx/generic/treectlg.h"
 #elif defined(__WXMSW__)
     #include "wx/msw/treectrl.h"
 #elif defined(__WXMOTIF__)