Permission for flood-fill code clarified

[wxWidgets.git] / src / common / popupcmn.cpp

diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp
index a620970488dffc0dcaf69491e928b423d8c8e15f..150f81a92cba619d089a8bec466e1d75e8aaa8ab 100644 (file)
--- a/src/common/popupcmn.cpp
+++ b/src/common/popupcmn.cpp
@@ -110,6 +110,12 @@ BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown)
 END_EVENT_TABLE()
 
+BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
+#ifdef __WXMSW__
+    EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif
+END_EVENT_TABLE()
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -168,14 +174,6 @@ void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
 // wxPopupTransientWindow
 // ----------------------------------------------------------------------------
 
-BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
-#ifdef __WXMSW__
-    EVT_ENTER_WINDOW(wxPopupTransientWindow::OnEnter)
-    EVT_LEAVE_WINDOW(wxPopupTransientWindow::OnLeave)
-    EVT_LEFT_DOWN(wxPopupTransientWindow::OnLeftDown)
-#endif
-END_EVENT_TABLE()
-
 void wxPopupTransientWindow::Init()
 {
     m_child =
@@ -207,15 +205,14 @@ void wxPopupTransientWindow::PopHandlers()
             // handler - so don't risk deleting it second time
             m_handlerPopup = NULL;
         }
-
+        if (m_child->HasCapture())
+        {       
+            m_child->ReleaseMouse();
+        }
         m_child = NULL;
     }
 
 #ifdef __WXMSW__
-    if ( HasCapture() )
-    {
-        ReleaseCapture();
-    }    
     if ( m_focus )
     {
         if ( m_handlerFocus && !m_focus->RemoveEventHandler(m_handlerFocus) )
@@ -292,26 +289,10 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
     m_child->Connect(wxEVT_DESTROY,
                      wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
                      NULL, this);
-    m_focus->Connect(wxEVT_DESTROY,
-                     wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
-                     NULL, this);
-#ifdef __WXMSW__
-    // Assume that the mouse is currently outside of the popup window
-    CaptureMouse();
-
-    // Connect the child Enter/Leave events too, incase the child completly
-    // covers the popup (because then the popup's enter/leave events won't be
-    // sent.
-    if (m_child != this)
-    {
-        m_child->Connect(wxEVT_ENTER_WINDOW,
-                         wxMouseEventHandler(wxPopupTransientWindow::OnChildEnter),
-                         NULL, this);
-        m_child->Connect(wxEVT_LEAVE_WINDOW,
-                         wxMouseEventHandler(wxPopupTransientWindow::OnChildLeave),
+    if (m_focus)
+        m_focus->Connect(wxEVT_DESTROY,
+                         wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
                          NULL, this);
-    }
-#endif
 }
 
 bool wxPopupTransientWindow::Show( bool show )
@@ -332,6 +313,13 @@ bool wxPopupTransientWindow::Show( bool show )
     }
 #endif
 
+#ifdef __WXMSW__
+    if (!show && m_child && m_child->HasCapture())
+    {       
+        m_child->ReleaseMouse();
+    }
+#endif
+    
     bool ret = wxPopupWindow::Show( show );
 
 #ifdef __WXGTK__
@@ -366,20 +354,27 @@ bool wxPopupTransientWindow::Show( bool show )
             CurrentTime );
     }
 #endif
+
+#ifdef __WXMSW__
+    if (show && m_child)
+    {
+        // Assume that the mouse is outside the popup to begin with
+        m_child->CaptureMouse();
+    }
+#endif
+
     return ret;
 }
 
 void wxPopupTransientWindow::Dismiss()
 {
-    PopHandlers();
-
     Hide();
+    PopHandlers();
 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();
-
     OnDismiss();
 }
 
@@ -402,57 +397,34 @@ void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event)
         m_focus = NULL;
 }
 
-void wxPopupTransientWindow::OnEnter(wxMouseEvent& /*event*/)
-{
-    if ( HasCapture() )
-    {
-        ReleaseCapture();
-    }    
-}
-
-void wxPopupTransientWindow::OnLeave(wxMouseEvent& /*event*/)
+#ifdef __WXMSW__
+void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
 {
-    CaptureMouse();
-}
+    event.Skip();
 
-void wxPopupTransientWindow::OnLeftDown(wxMouseEvent& event)
-{
-    if (m_handlerPopup && m_child && m_child != this)
+    if (IsShown() && m_child)
     {
-        m_child->GetEventHandler()->ProcessEvent(event);
-    }
-}
-
-
+        wxPoint pos = ScreenToClient(wxGetMousePosition());
+        wxRect rect(GetSize());
 
-// If the child is the same size as the popup window then handle the event,
-// otherwise assume that there is enough of the popup showing that it will get
-// it's own Enter/Leave events.  A more reliable way to detect this situation
-// would be appreciated...
-
-void wxPopupTransientWindow::OnChildEnter(wxMouseEvent& event)
-{
-    if (m_child)
-    {
-        wxSize cs = m_child->GetSize();
-        wxSize ps = GetClientSize();
-        
-        if ((cs.x * cs.y) >= (ps.x * ps.y))
-            OnEnter(event);
+        if ( rect.Inside(pos) )
+        {
+            if ( m_child->HasCapture() )
+            {
+                m_child->ReleaseMouse();
+            }
+        }
+        else
+        {
+            if ( !m_child->HasCapture() )
+            {
+                m_child->CaptureMouse();
+            }
+        }                
     }
 }
+#endif
 
-void wxPopupTransientWindow::OnChildLeave(wxMouseEvent& event)
-{
-    if (m_child)
-    {
-        wxSize cs = m_child->GetSize();
-        wxSize ps = GetClientSize();
-        
-        if ((cs.x * cs.y) >= (ps.x * ps.y))
-            OnLeave(event);
-    }
-}
 
 #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)