Made funcs extern...

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

diff --git a/src/common/containr.cpp b/src/common/containr.cpp
index c0073ebdb7d1e8d16df2b41f9cb805043e0f3807..368cee065daaa97b9e30e7b3d0d67dc2c2b8baac 100644 (file)
--- a/src/common/containr.cpp
+++ b/src/common/containr.cpp
@@ -6,7 +6,7 @@
 // Created:     06.08.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     06.08.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// License:     wxWindows license
+// License:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "containr.h"
 #endif
 
     #pragma implementation "containr.h"
 #endif
 


@@ -36,6 +36,10 @@
 
 #include "wx/containr.h"
 
 
 #include "wx/containr.h"
 

+#ifdef __WXMAC__
+    #include "wx/scrolbar.h"
+#endif
+

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -49,6 +53,50 @@ wxControlContainer::wxControlContainer(wxWindow *winParent)
     m_winDefault = NULL;
 }
 
     m_winDefault = NULL;
 }
 

+bool wxControlContainer::AcceptsFocus() const
+{
+    // if we're not shown or disabled, we can't accept focus
+    if ( m_winParent->IsShown() && m_winParent->IsEnabled() )
+    {
+        // otherwise we can accept focus either if we have no children at all
+        // (in this case we're probably not used as a container) or only when
+        // at least one child will accept focus
+        wxWindowList::compatibility_iterator node = m_winParent->GetChildren().GetFirst();
+        if ( !node )
+            return TRUE;
+
+#ifdef __WXMAC__
+        // wxMac has eventually the two scrollbars as children, they don't count
+        // as real children in the algorithm mentioned above
+        bool hasRealChildren = false ;
+#endif
+        
+        while ( node )
+        {
+            wxWindow *child = node->GetData();
+
+            if ( child->AcceptsFocus() )
+            {
+                return TRUE;
+            }
+
+#ifdef __WXMAC__
+            wxScrollBar *sb = wxDynamicCast( child , wxScrollBar ) ;
+            if ( sb == NULL || !m_winParent->MacIsWindowScrollbar( sb ) )
+                hasRealChildren = true ;
+#endif
+            node = node->GetNext();
+        }
+        
+#ifdef __WXMAC__
+        if ( !hasRealChildren )
+            return TRUE ;
+#endif
+    }
+
+    return FALSE;
+}
+

 void wxControlContainer::SetLastFocus(wxWindow *win)
 {
     // the panel itself should never get the focus at all but if it does happen
 void wxControlContainer::SetLastFocus(wxWindow *win)
 {
     // the panel itself should never get the focus at all but if it does happen


@@ -137,7 +185,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
 
     // the node of the children list from which we should start looking for the
     // next acceptable child
 
     // the node of the children list from which we should start looking for the
     // next acceptable child

-    wxWindowList::Node *node, *start_node;
+    wxWindowList::compatibility_iterator node, start_node;

 
     // we should start from the first/last control and not from the one which
     // had focus the last time if we're propagating the event downwards because
 
     // we should start from the first/last control and not from the one which
     // had focus the last time if we're propagating the event downwards because


@@ -152,7 +200,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
         node = forward ? children.GetFirst() : children.GetLast();
 
         // we want to cycle over all nodes
         node = forward ? children.GetFirst() : children.GetLast();
 
         // we want to cycle over all nodes

-        start_node = (wxWindowList::Node *)NULL;
+        start_node = wxWindowList::compatibility_iterator();

     }
     else
     {
     }
     else
     {


@@ -176,7 +224,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
         }
         else
         {
         }
         else
         {

-            start_node = (wxWindowList::Node *)NULL;
+            start_node = wxWindowList::compatibility_iterator();

         }
 
         if ( !start_node && m_winLastFocused )
         }
 
         if ( !start_node && m_winLastFocused )


@@ -245,12 +293,17 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
             // and instead give it to the first/last child depending from which
             // direction we're coming
             event.SetEventObject(m_winParent);
             // and instead give it to the first/last child depending from which
             // direction we're coming
             event.SetEventObject(m_winParent);

+            // disable propagation for this call as otherwise the event might
+            // bounce back to us.
+            wxPropagationDisabler disableProp(event);

             if ( !child->GetEventHandler()->ProcessEvent(event) )
             {
             if ( !child->GetEventHandler()->ProcessEvent(event) )
             {

+                // set it first in case SetFocusFromKbd() results in focus
+                // change too
+                m_winLastFocused = child;
+

                 // everything is simple: just give focus to it
                 child->SetFocusFromKbd();
                 // everything is simple: just give focus to it
                 child->SetFocusFromKbd();

-
-                m_winLastFocused = child;

             }
             //else: the child manages its focus itself
 
             }
             //else: the child manages its focus itself
 


@@ -285,42 +338,21 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child)
 
 bool wxControlContainer::DoSetFocus()
 {
 
 bool wxControlContainer::DoSetFocus()
 {

-    wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08x."),
-               m_winParent->GetHandle());
-
-    // If the panel gets the focus *by way of getting it set directly*
-    // we move the focus to the first window that can get it.
-
-    // VZ: no, we set the focus to the last window too. I don't understand why
-    //     should we make this distinction: if an app wants to set focus to
-    //     some precise control, it may always do it directly, but if we don't
-    //     use m_winLastFocused here, the focus won't be set correctly after a
-    //     notebook page change nor after frame activation under MSW (it calls
-    //     SetFocus too)
-    //
-    // RR: yes, when I the tab key to navigate in a panel with some controls and
-    //     a notebook and the focus jumps to the notebook (typically coming from
-    //     a button at the top) the notebook should focus the first child in the
-    //     current notebook page, not the last one which would otherwise get the
-    //     focus if you used the tab key to navigate from the current notebook
-    //     page to button at the bottom. See every page in the controls sample.
-    //
-    // VZ: ok, but this still doesn't (at least I don't see how it can) take
-    //     care of first/last child problem: i.e. if Shift-TAB is pressed in a
-    //     situation like above, the focus should be given to the last child,
-    //     not the first one (and not to the last focused one neither) - I
-    //     think my addition to OnNavigationKey() above takes care of it.
-    //     Keeping #ifdef __WXGTK__ for now, but please try removing it and see
-    //     what happens.
-    //
-    // RR: Removed for now. Let's see what happens..
-
-    // if our child already has focus, don't take it away from it
+    wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08lx."),
+               (unsigned long)m_winParent->GetHandle());
+
+    // when the panel gets the focus we move the focus to either the last
+    // window that had the focus or the first one that can get it unless the
+    // focus had been already set to some other child
+

     wxWindow *win = wxWindow::FindFocus();
     while ( win )
     {
         if ( win == m_winParent )
     wxWindow *win = wxWindow::FindFocus();
     while ( win )
     {
         if ( win == m_winParent )

+        {
+            // our child already has focus, don't take it away from it

             return TRUE;
             return TRUE;

+        }

 
         if ( win->IsTopLevel() )
         {
 
         if ( win->IsTopLevel() )
         {


@@ -337,14 +369,11 @@ bool wxControlContainer::DoSetFocus()
 
 void wxControlContainer::HandleOnFocus(wxFocusEvent& event)
 {
 
 void wxControlContainer::HandleOnFocus(wxFocusEvent& event)
 {

-    wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08x, name: %s"),
-               m_winParent->GetHandle(),
+    wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08lx, name: %s"),
+               (unsigned long)m_winParent->GetHandle(),

                m_winParent->GetName().c_str() );
 
                m_winParent->GetName().c_str() );
 

-    // If we panel got the focus *by way of getting clicked on*
-    // we move the focus to either the last window that had the
-    // focus or the first one that can get it.
-    (void)SetFocusToChild();
+    DoSetFocus();

 
     event.Skip();
 }
 
     event.Skip();
 }


@@ -371,8 +400,8 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         if ( (*childLastFocused)->GetParent() == win )
         {
             wxLogTrace(_T("focus"),
         if ( (*childLastFocused)->GetParent() == win )
         {
             wxLogTrace(_T("focus"),

-                       _T("SetFocusToChild() => last child (0x%08x)."),
-                       (*childLastFocused)->GetHandle());
+                       _T("SetFocusToChild() => last child (0x%08lx)."),
+                       (unsigned long)(*childLastFocused)->GetHandle());

 
             // not SetFocusFromKbd(): we're restoring focus back to the old
             // window and not setting it as the result of a kbd action
 
             // not SetFocusFromKbd(): we're restoring focus back to the old
             // window and not setting it as the result of a kbd action


@@ -387,7 +416,7 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
     }
 
     // set the focus to the first child who wants it
     }
 
     // set the focus to the first child who wants it

-    wxWindowList::Node *node = win->GetChildren().GetFirst();
+    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();

     while ( node )
     {
         wxWindow *child = node->GetData();
     while ( node )
     {
         wxWindow *child = node->GetData();


@@ -395,10 +424,10 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() )
         {
             wxLogTrace(_T("focus"),
         if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() )
         {
             wxLogTrace(_T("focus"),

-                       _T("SetFocusToChild() => first child (0x%08x)."),
-                       child->GetHandle());
+                       _T("SetFocusToChild() => first child (0x%08lx)."),
+                       (unsigned long)child->GetHandle());

 
 

-            *childLastFocused = child;  // should be redundant, but it is not
+            *childLastFocused = child;

             child->SetFocusFromKbd();
             return TRUE;
         }
             child->SetFocusFromKbd();
             return TRUE;
         }


@@ -408,3 +437,4 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
 
     return FALSE;
 }
 
     return FALSE;
 }

+