simplified and cleaned up wxGTK's focus handling

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52473 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/combobox.h

@@ -94,8 +94,6 @@ public:
     // From wxComboBoxBase:
     virtual int GetCurrentSelection() const;
 
-    virtual void SetFocus();
-
     void OnChar( wxKeyEvent &event );
 
     // Standard event handling

include/wx/gtk/radiobox.h

@@ -128,17 +128,12 @@ public:
     // implementation
     // --------------
 
-    void SetFocus();
     void GtkDisableEvents();
     void GtkEnableEvents();
 #if wxUSE_TOOLTIPS
     void ApplyToolTip( GtkTooltips *tips, const gchar *tip );
 #endif // wxUSE_TOOLTIPS
 
-    virtual void OnInternalIdle();
-
-    bool                        m_hasFocus,
-                                m_lostFocus;
     wxRadioBoxButtonsInfoList   m_buttonsInfo;
 
 protected:
@@ -151,12 +146,11 @@ protected:
     virtual void DoApplyWidgetStyle(GtkRcStyle *style);
     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
 
+    virtual bool GTKNeedsToFilterSameWindowFocus() const { return true; }
+
     virtual bool GTKWidgetNeedsMnemonic() const;
     virtual void GTKWidgetDoSetMnemonic(GtkWidget* w);
 
-    // common part of all ctors
-    void Init();
-
 private:
     DECLARE_DYNAMIC_CLASS(wxRadioBox)
 };

include/wx/gtk/window.h

@@ -186,7 +186,17 @@ public:
 
     GdkWindow* GTKGetDrawingWindow() const;
 
+    bool GTKHandleFocusIn();
+    bool GTKHandleFocusOut();
+    void GTKHandleFocusOutNoDeferring();
+    static void GTKHandleDeferredFocusOut();
+
 protected:
+    // for controls composed of multiple GTK widgets, return true to eliminate
+    // spurious focus events if the focus changes between GTK+ children within
+    // the same wxWindow
+    virtual bool GTKNeedsToFilterSameWindowFocus() const { return false; }
+
     // Override GTKWidgetNeedsMnemonic and return true if your
     // needs to set its mnemonic widget, such as for a
     // GtkLabel for wxStaticText, then do the actual
@@ -206,12 +216,6 @@ protected:
     // Check if the given window makes part of this widget
     bool GTKIsOwnWindow(GdkWindow *window) const;
 
-    // Set the focus to this window if its setting was delayed because the
-    // widget hadn't been realized when SetFocus() was called
-    //
-    // Return true if focus was set to us, false if nothing was done
-    bool GTKSetDelayedFocusIfNeeded();
-
 public:
     // Returns the default context which usually is anti-aliased
     PangoContext   *GtkGetPangoDefaultContext();
@@ -287,7 +291,6 @@ public:
     bool                 m_noExpose:1;          // wxGLCanvas has its own redrawing
     bool                 m_nativeSizeEvent:1;   // wxGLCanvas sends wxSizeEvent upon "alloc_size"
     bool                 m_hasVMT:1;
-    bool                 m_hasFocus:1;          // true if == FindFocus()
     bool                 m_isScrolling:1;       // dragging scrollbar thumb?
     bool                 m_clipPaintRegion:1;   // true after ScrollWindow()
     wxRegion             m_nativeUpdateRegion;  // not transformed for RTL