Added logic, API and docs for wxDataViewModel::HasDefaultCompare indicating a compare...

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

diff --git a/src/common/framecmn.cpp b/src/common/framecmn.cpp
index 218239b815e9b54157100e8d99f8cc20de535a02..e93d1010e12b31a5be69debf8c061ad67e021e64 100644 (file)
--- a/src/common/framecmn.cpp
+++ b/src/common/framecmn.cpp
@@ -253,7 +253,7 @@ void wxFrameBase::UpdateWindowUI(long flags)
 void wxFrameBase::OnMenuHighlight(wxMenuEvent& event)
 {
 #if wxUSE_STATUSBAR
-    (void)ShowMenuHelp(GetStatusBar(), event.GetMenuId());
+    (void)ShowMenuHelp(event.GetMenuId());
 #endif // wxUSE_STATUSBAR
 }
 
@@ -270,18 +270,7 @@ void wxFrameBase::OnMenuOpen(wxMenuEvent& WXUNUSED(event))
 
 void wxFrameBase::OnMenuClose(wxMenuEvent& WXUNUSED(event))
 {
-    // do we have real status text to restore?
-    if ( !m_oldStatusText.empty() )
-    {
-        if ( m_statusBarPane >= 0 )
-        {
-            wxStatusBar *statbar = GetStatusBar();
-            if ( statbar )
-                statbar->SetStatusText(m_oldStatusText, m_statusBarPane);
-        }
-
-        m_oldStatusText.clear();
-    }
+    DoGiveHelp(wxEmptyString, false);
 }
 
 #endif // wxUSE_MENUS && wxUSE_STATUSBAR
@@ -360,25 +349,22 @@ void wxFrameBase::PopStatusText(int number)
     m_frameStatusBar->PopStatusText(number);
 }
 
-bool wxFrameBase::ShowMenuHelp(wxStatusBar *WXUNUSED(statbar), int menuId)
+bool wxFrameBase::ShowMenuHelp(int menuId)
 {
 #if wxUSE_MENUS
     // if no help string found, we will clear the status bar text
     wxString helpString;
     if ( menuId != wxID_SEPARATOR && menuId != -3 /* wxID_TITLE */ )
     {
-        wxMenuBar *menuBar = GetMenuBar();
-        if ( menuBar )
-        {
-            // it's ok if we don't find the item because it might belong
-            // to the popup menu
-            wxMenuItem *item = menuBar->FindItem(menuId);
-            if ( item )
-                helpString = item->GetHelp();
-        }
+        const wxMenuItem * const item = FindItemInMenuBar(menuId);
+        if ( item )
+            helpString = item->GetHelp();
+
+        // notice that it's ok if we don't find the item because it might
+        // belong to the popup menu, so don't assert here
     }
 
-    DoGiveHelp(helpString);
+    DoGiveHelp(helpString, true);
 
     return !helpString.empty();
 #else // !wxUSE_MENUS
@@ -402,7 +388,7 @@ void wxFrameBase::SetStatusBar(wxStatusBar *statBar)
 #endif // wxUSE_STATUSBAR
 
 #if wxUSE_MENUS || wxUSE_TOOLBAR
-void wxFrameBase::DoGiveHelp(const wxString& help)
+void wxFrameBase::DoGiveHelp(const wxString& help, bool show)
 {
 #if wxUSE_STATUSBAR
     if ( m_statusBarPane < 0 )
@@ -415,28 +401,39 @@ void wxFrameBase::DoGiveHelp(const wxString& help)
     if ( !statbar )
         return;
 
-    // remember the old status bar text if this is the first time we're
-    // called since the menu has been opened as we're going to overwrite it
-    // in our DoGiveHelp() and we want to restore it when the menu is
-    // closed
-    //
-    // note that it would be logical to do this in OnMenuOpen() but under
-    // MSW we get an EVT_MENU_HIGHLIGHT before EVT_MENU_OPEN, strangely
-    // enough, and so this doesn't work and instead we use the ugly trick
-    // with using special m_oldStatusText value as "menu opened" (but it is
-    // arguably better than adding yet another member variable to wxFrame
-    // on all platforms)
-    if ( m_oldStatusText.empty() )
+    wxString text;
+    if ( show )
     {
-        m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
+        // remember the old status bar text if this is the first time we're
+        // called since the menu has been opened as we're going to overwrite it
+        // in our DoGiveHelp() and we want to restore it when the menu is
+        // closed
+        //
+        // note that it would be logical to do this in OnMenuOpen() but under
+        // MSW we get an EVT_MENU_HIGHLIGHT before EVT_MENU_OPEN, strangely
+        // enough, and so this doesn't work and instead we use the ugly trick
+        // with using special m_oldStatusText value as "menu opened" (but it is
+        // arguably better than adding yet another member variable to wxFrame
+        // on all platforms)
         if ( m_oldStatusText.empty() )
         {
-            // use special value to prevent us from doing this the next time
-            m_oldStatusText += _T('\0');
+            m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
+            if ( m_oldStatusText.empty() )
+            {
+                // use special value to prevent us from doing this the next time
+                m_oldStatusText += _T('\0');
+            }
         }
+
+        text = help;
+    }
+    else // hide help, restore the original text
+    {
+        text = m_oldStatusText;
+        m_oldStatusText.clear();
     }
 
-    statbar->SetStatusText(help, m_statusBarPane);
+    statbar->SetStatusText(text, m_statusBarPane);
 #else
     wxUnusedVar(text);
     wxUnusedVar(show);
@@ -560,4 +557,11 @@ void wxFrameBase::SetMenuBar(wxMenuBar *menubar)
     this->AttachMenuBar(menubar);
 }
 
+const wxMenuItem *wxFrameBase::FindItemInMenuBar(int menuId) const
+{
+    const wxMenuBar * const menuBar = GetMenuBar();
+
+    return menuBar ? menuBar->FindItem(menuId) : NULL;
+}
+
 #endif // wxUSE_MENUS