use bool expression rather than implicit conversion

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

diff --git a/include/wx/sizer.h b/include/wx/sizer.h
index 59b834d2f3876177ecc109e0a8852303d7a6ebe2..26a32ba3ea9faa6eda58a884f9d1f7b5cc95e912 100644 (file)
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -58,6 +58,15 @@ public:
         return *this;
     }
 
+    wxSizerFlags& Expand()
+    {
+        m_flags |= wxEXPAND;
+        return *this;
+    }
+
+    // notice that Align() replaces the current alignment flags, use specific
+    // methods below such as Top(), Left() &c if you want to set just the
+    // vertical or horizontal alignment
     wxSizerFlags& Align(int alignment) // combination of wxAlignment values
     {
         m_flags &= ~wxALIGN_MASK;
@@ -66,19 +75,34 @@ public:
         return *this;
     }
 
-    wxSizerFlags& Expand()
+    // some shortcuts for Align()
+    wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
+    wxSizerFlags& Center() { return Centre(); }
+
+    wxSizerFlags& Top()
     {
-        m_flags |= wxEXPAND;
+        m_flags &= ~(wxALIGN_BOTTOM | wxALIGN_CENTRE_VERTICAL);
+        return *this;
+    }
+
+    wxSizerFlags& Left()
+    {
+        m_flags &= ~(wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL);
+        return *this;
+    }
+
+    wxSizerFlags& Right()
+    {
+        m_flags = (m_flags & ~wxALIGN_CENTRE_HORIZONTAL) | wxALIGN_RIGHT;
+        return *this;
+    }
+
+    wxSizerFlags& Bottom()
+    {
+        m_flags = (m_flags & ~wxALIGN_CENTRE_VERTICAL) | wxALIGN_BOTTOM;
         return *this;
     }
 
-    // some shortcuts for Align()
-    wxSizerFlags& Centre() { return Align(wxALIGN_CENTRE); }
-    wxSizerFlags& Center() { return Centre(); }
-    wxSizerFlags& Top() { return Align(wxALIGN_TOP); }
-    wxSizerFlags& Left() { return Align(wxALIGN_LEFT); }
-    wxSizerFlags& Right() { return Align(wxALIGN_RIGHT); }
-    wxSizerFlags& Bottom() { return Align(wxALIGN_BOTTOM); }
 
     // default border size used by Border() below
     static int GetDefaultBorder()
@@ -360,9 +384,9 @@ public:
     wxPoint GetPosition() const
         { return m_pos; }
 
-    // Called once the first component of an item has been decided. This is 
-    // used in algorithms that depend on knowing the size in one direction 
-    // before the min size in the other direction can be known. 
+    // Called once the first component of an item has been decided. This is
+    // used in algorithms that depend on knowing the size in one direction
+    // before the min size in the other direction can be known.
     // Returns true if it made use of the information (and min size was changed).
     bool InformFirstDirection( int direction, int size, int availableOtherDir=-1 );
 
@@ -447,7 +471,7 @@ protected:
 
 private:
     DECLARE_CLASS(wxSizerItem)
-    DECLARE_NO_COPY_CLASS(wxSizerItem)
+    wxDECLARE_NO_COPY_CLASS(wxSizerItem);
 };
 
 WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
@@ -517,7 +541,7 @@ public:
     wxSizerItem* Insert(size_t index,
                         int width,
                         int height,
-                        const wxSizerFlags& flags);                        
+                        const wxSizerFlags& flags);
     virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
 
     wxSizerItem* InsertSpacer(size_t index, int size);
@@ -576,7 +600,7 @@ public:
     // Returns true if it made use of the informtion (and recalculated min size)
     virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
         { return false; }
-    
+
     void SetMinSize( int width, int height )
         { DoSetMinSize( width, height ); }
     void SetMinSize( const wxSize& size )
@@ -641,6 +665,9 @@ public:
     void SetDimension(int x, int y, int width, int height)
         { SetDimension(wxPoint(x, y), wxSize(width, height)); }
 
+    size_t GetItemCount() const { return m_children.GetCount(); }
+    bool IsEmpty() const { return m_children.IsEmpty(); }
+
     wxSizerItem* GetItem( wxWindow *window, bool recursive = false );
     wxSizerItem* GetItem( wxSizer *sizer, bool recursive = false );
     wxSizerItem* GetItem( size_t index );
@@ -731,8 +758,8 @@ private:
 // wxFlexGridSizer
 //---------------------------------------------------------------------------
 
-// the bevaiour for resizing wxFlexGridSizer cells in the "non-flexible"
-// direction
+// values which define the behaviour for resizing wxFlexGridSizer cells in the
+// "non-flexible" direction
 enum wxFlexSizerGrowMode
 {
     // don't resize the cells in non-flexible direction at all
@@ -761,6 +788,8 @@ public:
     void AddGrowableCol( size_t idx, int proportion = 0 );
     void RemoveGrowableCol( size_t idx );
 
+    bool IsRowGrowable( size_t idx );
+    bool IsColGrowable( size_t idx );
 
     // the sizer cells may grow in both directions, not grow at all or only
     // grow in one direction but not the other
@@ -809,7 +838,7 @@ protected:
 
 private:
     DECLARE_CLASS(wxFlexGridSizer)
-    DECLARE_NO_COPY_CLASS(wxFlexGridSizer)
+    wxDECLARE_NO_COPY_CLASS(wxFlexGridSizer);
 };
 
 //---------------------------------------------------------------------------
@@ -932,7 +961,7 @@ protected:
 
 private:
     DECLARE_CLASS(wxStaticBoxSizer)
-    DECLARE_NO_COPY_CLASS(wxStaticBoxSizer)
+    wxDECLARE_NO_COPY_CLASS(wxStaticBoxSizer);
 };
 
 #endif // wxUSE_STATBOX
@@ -980,7 +1009,7 @@ protected:
 
 private:
     DECLARE_CLASS(wxStdDialogButtonSizer)
-    DECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer)
+    wxDECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer);
 };
 
 #endif // wxUSE_BUTTON
@@ -1008,9 +1037,9 @@ inline void wxSizerItem::SetSpacer(const wxSize& size)
 }
 
 inline void wxSizerItem::SetSpacer(int width, int height)
-{ 
-    DoSetSpacer(wxSize(width, height)); 
-} 
+{
+    DoSetSpacer(wxSize(width, height));
+}
 
 #endif // WXWIN_COMPATIBILITY_2_8