Implement monitoring of file descriptors in wxMotif event loop.

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

diff --git a/include/wx/mdi.h b/include/wx/mdi.h
index 1f5d56e6474a3985632b7175c4bc711653fff87d..52cbed7da4de1516e65f162f6f081a4ab9dab915 100644 (file)
--- a/include/wx/mdi.h
+++ b/include/wx/mdi.h
@@ -123,6 +123,10 @@ public:
     virtual wxMDIClientWindow *OnCreateClient();
 
 protected:
+    // Override to pass menu/toolbar events to the active child first.
+    virtual bool TryBefore(wxEvent& event);
+
+
     // This is wxMDIClientWindow for all the native implementations but not for
     // the generic MDI version which has its own wxGenericMDIClientWindow and
     // so we store it as just a base class pointer because we don't need its
@@ -181,6 +185,11 @@ public:
     // return true.
     virtual bool IsTopNavigationDomain() const { return true; }
 
+    // Raising any frame is supposed to show it but wxFrame Raise()
+    // implementation doesn't work for MDI child frames in most forms so
+    // forward this to Activate() which serves the same purpose by default.
+    virtual void Raise() { Activate(); }
+
 protected:
     wxMDIParentFrame *m_mdiParent;
 };
@@ -364,6 +373,31 @@ inline wxMDIClientWindow *wxMDIParentFrameBase::OnCreateClient()
     return new wxMDIClientWindow;
 }
 
+inline bool wxMDIParentFrameBase::TryBefore(wxEvent& event)
+{
+    // Menu (and toolbar) events should be sent to the active child frame
+    // first, if any.
+    if ( event.GetEventType() == wxEVT_MENU ||
+            event.GetEventType() == wxEVT_UPDATE_UI )
+    {
+        wxMDIChildFrame * const child = GetActiveChild();
+        if ( child )
+        {
+            // However avoid sending the event back to the child if it's
+            // currently being propagated to us from it.
+            wxWindow* const
+                from = static_cast<wxWindow*>(event.GetPropagatedFrom());
+            if ( !from || !from->IsDescendant(child) )
+            {
+                if ( child->ProcessWindowEventLocally(event) )
+                    return true;
+            }
+        }
+    }
+
+    return wxFrame::TryBefore(event);
+}
+
 #endif // wxUSE_MDI
 
 #endif // _WX_MDI_H_BASE_