added alpha channel support to wxDFB's wxBitmap

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

diff --git a/include/wx/window.h b/include/wx/window.h
index 4c62a7d035ed58a1e3ae65e07469265efc24e722..a9a881c8a8aaeb7d70733b6da892bda224e9049c 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -546,6 +546,8 @@ public:
     virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
     long GetExtraStyle() const { return m_exStyle; }
 
+    bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
+
         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = true);
 
@@ -580,17 +582,35 @@ public:
         // this class clients and take into account the current window state
     virtual bool AcceptsFocus() const { return true; }
 
-        // can this window have focus right now?
-    bool CanAcceptFocus() const { return AcceptsFocus() && IsShown() && IsEnabled(); }
+        // can this window or one of its children accept focus?
+        //
+        // usually it's the same as AcceptsFocus() but is overridden for
+        // container windows
+    virtual bool AcceptsFocusRecursively() const { return AcceptsFocus(); }
 
         // can this window be given focus by keyboard navigation? if not, the
         // only way to give it focus (provided it accepts it at all) is to
         // click it
     virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
 
+
+        // this is mostly a helper for the various functions using it below
+    bool CanBeFocused() const { return IsShown() && IsEnabled(); }
+
+        // can this window itself have focus?
+    bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
+
+        // can this window have focus right now?
+        //
+        // if this method returns true, it means that calling SetFocus() will
+        // put focus either to this window or one of its children, if you need
+        // to know whether this window accepts focus itself, use IsFocusable()
+    bool CanAcceptFocus() const
+        { return AcceptsFocusRecursively() && CanBeFocused(); }
+
         // can this window be assigned focus from keyboard right now?
     bool CanAcceptFocusFromKeyboard() const
-        { return AcceptsFocusFromKeyboard() && CanAcceptFocus(); }
+        { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
 
         // call this when the return value of AcceptsFocus() changes
     virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
@@ -639,6 +659,11 @@ public:
     virtual void AddChild( wxWindowBase *child );
     virtual void RemoveChild( wxWindowBase *child );
 
+    // returns true if the child is in the client area of the window, i.e. is
+    // not scrollbar, toolbar etc.
+    virtual bool IsClientAreaChild(const wxWindow *WXUNUSED(child)) const
+        { return true; }
+
     // looking for windows
     // -------------------
 
@@ -1125,7 +1150,7 @@ public:
     void SetAccessible(wxAccessible* accessible) ;
 
     // Returns the accessible object.
-    wxAccessible* GetAccessible() { return m_accessible; };
+    wxAccessible* GetAccessible() { return m_accessible; }
 
     // Returns the accessible object, creating if necessary.
     wxAccessible* GetOrCreateAccessible() ;