X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/22574b4a9c8a805d2d476aa6f531e408b647523e..a43bd048a35bd6275867c067032f505046f14ef5:/include/wx/treectrl.h

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index 0b4587bc79..a8693594b3 100644
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -24,7 +24,7 @@
 #include "wx/treebase.h"
 #include "wx/textctrl.h" // wxTextCtrl::ms_classinfo used through CLASSINFO macro
 
-class WXDLLEXPORT wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
 
 // ----------------------------------------------------------------------------
 // wxTreeCtrlBase
@@ -42,6 +42,9 @@ public:
 
         // arbitrary default
         m_spacing = 18;
+
+        // quick DoGetBestSize calculation
+        m_quickBestSize = true;
     }
 
     virtual ~wxTreeCtrlBase();
@@ -50,7 +53,7 @@ public:
     // ---------
 
         // get the total number of items in the control
-    virtual size_t GetCount() const = 0;
+    virtual unsigned int GetCount() const = 0;
 
         // indent is the number of pixels the children are indented relative to
         // the parents position. SetIndent() also redraws the control
@@ -120,7 +123,7 @@ public:
 
         // 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;
@@ -169,6 +172,9 @@ 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
     // ------------------
@@ -284,8 +290,16 @@ 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
@@ -350,9 +364,9 @@ 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)
@@ -366,6 +380,10 @@ public:
 
     virtual bool ShouldInheritColours() const { return false; }
 
+    // hint whether to calculate best size quickly or accurately
+    void SetQuickBestSize(bool q) { m_quickBestSize = q; }
+    bool GetQuickBestSize() const { return m_quickBestSize; }
+
 protected:
     virtual wxSize DoGetBestSize() const;
 
@@ -391,7 +409,8 @@ 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
@@ -402,6 +421,9 @@ protected:
     // spacing between left border and the text
     unsigned int m_spacing;
 
+    // whether full or quick calculation is done in DoGetBestSize
+    bool        m_quickBestSize;
+
 
     DECLARE_NO_COPY_CLASS(wxTreeCtrlBase)
 };