synchronize GTK2 minimum version in docs

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

diff --git a/include/wx/sizer.h b/include/wx/sizer.h
index 289b765d80f2beeb7ac9eff95f4b9af1a9a4571e..ab296ad069dcda97d155aa959dad09cd998fdcd7 100644 (file)
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -251,10 +251,10 @@ class WXDLLIMPEXP_CORE wxSizerItem : public wxObject
 public:
     // window
     wxSizerItem( wxWindow *window,
-                 int proportion,
-                 int flag,
-                 int border,
-                 wxObject* userData );
+                 int proportion=0,
+                 int flag=0,
+                 int border=0,
+                 wxObject* userData=NULL );
 
     // window with flags
     wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
@@ -266,10 +266,10 @@ public:
 
     // subsizer
     wxSizerItem( wxSizer *sizer,
-                 int proportion,
-                 int flag,
-                 int border,
-                 wxObject* userData );
+                 int proportion=0,
+                 int flag=0,
+                 int border=0,
+                 wxObject* userData=NULL );
 
     // sizer with flags
     wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
@@ -282,10 +282,10 @@ public:
     // spacer
     wxSizerItem( int width,
                  int height,
-                 int proportion,
-                 int flag,
-                 int border,
-                 wxObject* userData);
+                 int proportion=0,
+                 int flag=0,
+                 int border=0,
+                 wxObject* userData=NULL);
 
     // spacer with flags
     wxSizerItem(int width, int height, const wxSizerFlags& flags)
@@ -510,7 +510,7 @@ public:
     wxSizerItem* Add( int width, int height, const wxSizerFlags& flags);
     wxSizerItem* Add( wxSizerItem *item);
 
-    wxSizerItem* AddSpacer(int size);
+    virtual wxSizerItem *AddSpacer(int size);
     wxSizerItem* AddStretchSpacer(int prop = 1);
 
     wxSizerItem* Insert(size_t index,
@@ -542,7 +542,11 @@ public:
                         int width,
                         int height,
                         const wxSizerFlags& flags);
-    virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
+
+    // NB: do _not_ override this function in the derived classes, this one is
+    //     virtual for compatibility reasons only to allow old code overriding
+    //     it to continue to work, override DoInsert() instead in the new code
+    virtual wxSizerItem* Insert(size_t index, wxSizerItem *item);
 
     wxSizerItem* InsertSpacer(size_t index, int size);
     wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
@@ -661,6 +665,10 @@ public:
         m_position = pos;
         m_size = size;
         Layout();
+
+        // This call is required for wxWrapSizer to be able to calculate its
+        // minimal size correctly.
+        InformFirstDirection(wxHORIZONTAL, size.x, size.y);
     }
     void SetDimension(int x, int y, int width, int height)
         { SetDimension(wxPoint(x, y), wxSize(width, height)); }
@@ -713,6 +721,10 @@ protected:
     virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
     virtual bool DoSetItemMinSize( size_t index, int width, int height );
 
+    // insert a new item into m_children at given index and return the item
+    // itself
+    virtual wxSizerItem* DoInsert(size_t index, wxSizerItem *item);
+
 private:
     DECLARE_CLASS(wxSizer)
 };
@@ -733,8 +745,6 @@ public:
     wxGridSizer( int rows, int cols, int vgap, int hgap );
     wxGridSizer( int rows, int cols, const wxSize& gap );
 
-    virtual wxSizerItem *Insert(size_t index, wxSizerItem *item);
-
     virtual void RecalcSizes();
     virtual wxSize CalcMin();
 
@@ -774,6 +784,8 @@ protected:
     int    m_vgap;
     int    m_hgap;
 
+    virtual wxSizerItem *DoInsert(size_t index, wxSizerItem *item);
+
     void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
 
     // returns the number of columns/rows needed for the current total number
@@ -913,6 +925,8 @@ public:
                       wxT("invalid value for wxBoxSizer orientation") );
     }
 
+    virtual wxSizerItem *AddSpacer(int size);
+
     int GetOrientation() const { return m_orient; }
 
     bool IsVertical() const { return m_orient == wxVERTICAL; }
@@ -1103,6 +1117,12 @@ inline void wxSizerItem::SetSpacer(int width, int height)
 
 #endif // WXWIN_COMPATIBILITY_2_8
 
+inline wxSizerItem*
+wxSizer::Insert(size_t index, wxSizerItem *item)
+{
+    return DoInsert(index, item);
+}
+
 
 inline wxSizerItem*
 wxSizer::Add( wxSizerItem *item )