Not everything has to be virtual.

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

diff --git a/include/wx/toplevel.h b/include/wx/toplevel.h
index 8881631c5c91b83733b0ab3c1c81d3a04e91b433..fee628786c0b867a54eced821e5af6101f642e81 100644 (file)
--- a/include/wx/toplevel.h
+++ b/include/wx/toplevel.h
@@ -196,17 +196,40 @@ public:
     void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
     void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
 
-    // Set window transparency if the platform supports it
-    virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
-    virtual bool CanSetTransparent() { return false; }
 
-    
+    // default item access: we have a permanent default item which is the one
+    // set by the user code but we may also have a temporary default item which
+    // would be chosen if the user pressed "Enter" now but the default action
+    // reverts to the "permanent" default as soon as this temporary default
+    // item loses focus
+
+    // used to reset default if pointing to removed child
+    virtual void RemoveChild(wxWindowBase *child);
+
+    // get the default item, temporary or permanent
+    wxWindow *GetDefaultItem() const
+        { return m_winTmpDefault ? m_winTmpDefault : m_winDefault; }
+
+    // set the permanent default item, return the old default
+    wxWindow *SetDefaultItem(wxWindow *win)
+        { wxWindow *old = GetDefaultItem(); m_winDefault = win; return old; }
+
+    // return the temporary default item, can be NULL
+    wxWindow *GetTmpDefaultItem() const { return m_winTmpDefault; }
+
+    // set a temporary default item, SetTmpDefaultItem(NULL) should be called
+    // soon after a call to SetTmpDefaultItem(window), return the old default
+    wxWindow *SetTmpDefaultItem(wxWindow *win)
+        { wxWindow *old = GetDefaultItem(); m_winTmpDefault = win; return old; }
+
+
     // implementation only from now on
     // -------------------------------
 
     // override some base class virtuals
     virtual bool Destroy();
     virtual bool IsTopLevel() const { return true; }
+    virtual bool IsVisible() const { return IsShown(); }
     virtual wxSize GetMaxSize() const;
 
     // event handlers
@@ -264,6 +287,12 @@ protected:
     // the frame icon
     wxIconBundle m_icons;
 
+    // a default window (usually a button) or NULL
+    wxWindow *m_winDefault;
+
+    // a temporary override of m_winDefault, use the latter if NULL
+    wxWindow *m_winTmpDefault;
+
     DECLARE_NO_COPY_CLASS(wxTopLevelWindowBase)
     DECLARE_EVENT_TABLE()
 };
@@ -288,6 +317,9 @@ protected:
 #elif defined(__WXMGL__)
     #include "wx/mgl/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMGL
+#elif defined(__WXDFB__)
+    #include "wx/dfb/toplevel.h"
+    #define wxTopLevelWindowNative wxTopLevelWindowDFB
 #elif defined(__WXMAC__)
     #include "wx/mac/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMac