]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/containr.cpp
removed empty and unused CalculateScrollbar() method
[wxWidgets.git] / src / common / containr.cpp
index e92abb9cbd36a2a90a044d17d4d5ac088daf31bd..d465bc0511ad076e86368d72f78fa0d319500b66 100644 (file)
     #include "wx/log.h"
     #include "wx/event.h"
     #include "wx/window.h"
-#endif //WX_PRECOMP
-
-#include "wx/containr.h"
-
-#ifdef __WXMAC__
     #include "wx/scrolbar.h"
-#endif
-
-#ifdef __WXMSW__
     #include "wx/radiobut.h"
-#endif
+    #include "wx/containr.h"
+#endif //WX_PRECOMP
+
+// trace mask for focus messages
+#define TRACE_FOCUS _T("focus")
 
 // ============================================================================
 // implementation
 wxControlContainer::wxControlContainer(wxWindow *winParent)
 {
     m_winParent = winParent;
-
-    m_winLastFocused =
-    m_winTmpDefault =
-    m_winDefault = NULL;
+    m_winLastFocused = NULL;
     m_inSetFocus = false;
 }
 
@@ -75,18 +68,17 @@ bool wxControlContainer::AcceptsFocus() const
         while ( node )
         {
             wxWindow *child = node->GetData();
+            node = node->GetNext();
 
+#ifdef __WXMAC__
+            if ( m_winParent->MacIsWindowScrollbar( child ) )
+                continue;
+            hasRealChildren = true ;
+#endif
             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__
@@ -129,13 +121,13 @@ void wxControlContainer::SetLastFocus(wxWindow *win)
 
         if ( win )
         {
-            wxLogTrace(_T("focus"), _T("Set last focus to %s(%s)"),
+            wxLogTrace(TRACE_FOCUS, _T("Set last focus to %s(%s)"),
                        win->GetClassInfo()->GetClassName(),
                        win->GetLabel().c_str());
         }
         else
         {
-            wxLogTrace(_T("focus"), _T("No more last focus"));
+            wxLogTrace(TRACE_FOCUS, _T("No more last focus"));
         }
     }
 
@@ -182,8 +174,8 @@ wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn)
         // no more buttons in group
         return NULL;
     }
-    else
-        return prevBtn;
+
+    return prevBtn;
 }
 
 wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
@@ -212,8 +204,8 @@ wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
         // no more buttons or the first button of the next group
         return NULL;
     }
-    else
-        return nextBtn;
+
+    return nextBtn;
 }
 
 wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn)
@@ -228,6 +220,18 @@ wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn)
     }
 }
 
+wxRadioButton* wxGetLastButtonInGroup(wxRadioButton *btn)
+{
+    while (true)
+    {
+        wxRadioButton* nextBtn = wxGetNextButtonInGroup(btn);
+        if (!nextBtn)
+            return btn;
+
+        btn = nextBtn;
+    }
+}
+
 wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn)
 {
     // Find currently selected button
@@ -271,6 +275,42 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
 
     const wxWindowList& children = m_winParent->GetChildren();
 
+    // if we have exactly one notebook-like child window (actually it could be
+    // any window that returns true from its HasMultiplePages()), then
+    // [Shift-]Ctrl-Tab and Ctrl-PageUp/Down keys should iterate over its pages
+    // even if the focus is outside of the control because this is how the
+    // standard MSW properties dialogs behave and we do it under other platforms
+    // as well because it seems like a good idea -- but we can always put this
+    // block inside "#ifdef __WXMSW__" if it's not suitable there
+    if ( event.IsWindowChange() && !goingDown )
+    {
+        // check if we have a unique notebook-like child
+        wxWindow *bookctrl = NULL;
+        for ( wxWindowList::const_iterator i = children.begin(),
+                                         end = children.end();
+              i != end;
+              ++i )
+        {
+            wxWindow * const window = *i;
+            if ( window->HasMultiplePages() )
+            {
+                if ( bookctrl )
+                {
+                    // this is the second book-like control already so don't do
+                    // anything as we don't know which one should have its page
+                    // changed
+                    bookctrl = NULL;
+                    break;
+                }
+
+                bookctrl = window;
+            }
+        }
+
+        if ( bookctrl && bookctrl->GetEventHandler()->ProcessEvent(event) )
+            return;
+    }
+
     // there is not much to do if we don't have children and we're not
     // interested in "notebook page change" events here
     if ( !children.GetCount() || event.IsWindowChange() )
@@ -287,7 +327,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
     }
 
     // where are we going?
-    bool forward = event.GetDirection();
+    const bool forward = event.GetDirection();
 
     // the node of the children list from which we should start looking for the
     // next acceptable child
@@ -304,11 +344,8 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
 
         // start from first or last depending on where we're going
         node = forward ? children.GetFirst() : children.GetLast();
-
-        // we want to cycle over all nodes
-        start_node = wxWindowList::compatibility_iterator();
     }
-    else
+    else // going up
     {
         // try to find the child which has the focus currently
 
@@ -334,10 +371,6 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
             // ok, we found the focus - now is it our child?
             start_node = children.Find( winFocus );
         }
-        else
-        {
-            start_node = wxWindowList::compatibility_iterator();
-        }
 
         if ( !start_node && m_winLastFocused )
         {
@@ -358,14 +391,24 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
     }
 
     // we want to cycle over all elements passing by NULL
-    while ( node != start_node )
+    for ( ;; )
     {
+        // don't go into infinite loop
+        if ( start_node && node && node == start_node )
+            break;
+
         // Have we come to the last or first item on the panel?
         if ( !node )
         {
+            if ( !start_node )
+            {
+                // exit now as otherwise we'd loop forever
+                break;
+            }
+
             if ( !goingDown )
             {
-                // Check if our (may be grand) parent is another panel: if this
+                // Check if our (maybe grand) parent is another panel: if this
                 // is the case, they will know what to do with this navigation
                 // key and so give them the chance to process it instead of
                 // looping inside this panel (normally, the focus will go to
@@ -399,39 +442,62 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
         wxWindow *child = node->GetData();
 
 #ifdef __WXMSW__
-        bool canSelectRadioButton = true;
-        if (!event.IsFromTab())
+        if ( event.IsFromTab() )
         {
-            // If navigating using cursor keys, make sure not to navigate out of a radio button group.
-            if (m_winLastFocused && wxIsKindOf(m_winLastFocused, wxRadioButton))
+            if ( wxIsKindOf(child, wxRadioButton) )
             {
-                if (!wxIsKindOf(child, wxRadioButton))
+                // only radio buttons with either wxRB_GROUP or wxRB_SINGLE
+                // can be tabbed to
+                if ( child->HasFlag(wxRB_GROUP) )
                 {
-                    child = forward ?
-                                wxGetNextButtonInGroup((wxRadioButton*)m_winLastFocused) :
-                                wxGetPreviousButtonInGroup((wxRadioButton*)m_winLastFocused);
-                    if (!child)
-                    {
-                        event.Skip(false);
-                        return;
-                    }
+                    // need to tab into the active button within a group
+                    wxRadioButton *rb = wxGetSelectedButtonInGroup((wxRadioButton*)child);
+                    if ( rb )
+                        child = rb;
+                }
+                else if ( !child->HasFlag(wxRB_SINGLE) )
+                {
+                    node = forward ? node->GetNext() : node->GetPrevious();
+                    continue;
                 }
             }
         }
-        else
+        else if ( m_winLastFocused &&
+                  wxIsKindOf(m_winLastFocused, wxRadioButton) &&
+                  !m_winLastFocused->HasFlag(wxRB_SINGLE) )
         {
-            // If navigating using tabs, skip all but the first radio button in a group.
-            if (wxIsKindOf(child, wxRadioButton))
+            // cursor keys don't navigate out of a radio button group so
+            // find the correct radio button to focus
+            if ( forward )
+            {
+                child = wxGetNextButtonInGroup((wxRadioButton*)m_winLastFocused);
+                if ( !child )
+                {
+                    // no next button in group, set it to the first button
+                    child = wxGetFirstButtonInGroup((wxRadioButton*)m_winLastFocused);
+                }
+            }
+            else
+            {
+                child = wxGetPreviousButtonInGroup((wxRadioButton*)m_winLastFocused);
+                if ( !child )
+                {
+                    // no previous button in group, set it to the last button
+                    child = wxGetLastButtonInGroup((wxRadioButton*)m_winLastFocused);
+                }
+            }
+
+            if ( child == m_winLastFocused )
             {
-                if (wxGetPreviousButtonInGroup((wxRadioButton*)child))
-                    canSelectRadioButton = false;
+                // must be a group consisting of only one button therefore
+                // no need to send a navigation event
+                event.Skip(false);
+                return;
             }
         }
-#else
-        static bool canSelectRadioButton = true;
-#endif
+#endif // __WXMSW__
 
-        if ( child->AcceptsFocusFromKeyboard() && canSelectRadioButton )
+        if ( child->AcceptsFocusFromKeyboard() )
         {
             // if we're setting the focus to a child panel we should prevent it
             // from giving it to the child which had the focus the last time
@@ -439,18 +505,6 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
             // direction we're coming
             event.SetEventObject(m_winParent);
 
-#if defined(__WXMSW__)
-            // we need to hop to the next activated
-            // radio button, not just the next radio
-            // button under MSW
-            if (wxIsKindOf(child, wxRadioButton) && event.IsFromTab())
-            {
-                wxRadioButton *rb = wxGetSelectedButtonInGroup((wxRadioButton*)child);
-                if (rb)
-                    child = rb;
-            }
-#endif // __WXMSW__
-
             // disable propagation for this call as otherwise the event might
             // bounce back to us.
             wxPropagationDisabler disableProp(event);
@@ -482,12 +536,6 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child)
 {
     if ( child == m_winLastFocused )
         m_winLastFocused = NULL;
-
-    if ( child == m_winDefault )
-        m_winDefault = NULL;
-
-    if ( child == m_winTmpDefault )
-        m_winTmpDefault = NULL;
 }
 
 // ----------------------------------------------------------------------------
@@ -496,8 +544,8 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child)
 
 bool wxControlContainer::DoSetFocus()
 {
-    wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08lx."),
-               (unsigned long)m_winParent->GetHandle());
+    wxLogTrace(TRACE_FOCUS, _T("SetFocus on wxPanel 0x%p."),
+               m_winParent->GetHandle());
 
     if (m_inSetFocus)
         return true;
@@ -537,8 +585,8 @@ bool wxControlContainer::DoSetFocus()
 
 void wxControlContainer::HandleOnFocus(wxFocusEvent& event)
 {
-    wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08lx, name: %s"),
-               (unsigned long)m_winParent->GetHandle(),
+    wxLogTrace(TRACE_FOCUS, _T("OnFocus on wxPanel 0x%p, name: %s"),
+               m_winParent->GetHandle(),
                m_winParent->GetName().c_str() );
 
     DoSetFocus();
@@ -567,9 +615,9 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         // It might happen that the window got reparented
         if ( (*childLastFocused)->GetParent() == win )
         {
-            wxLogTrace(_T("focus"),
-                       _T("SetFocusToChild() => last child (0x%08lx)."),
-                       (unsigned long)(*childLastFocused)->GetHandle());
+            wxLogTrace(TRACE_FOCUS,
+                       _T("SetFocusToChild() => last child (0x%p)."),
+                       (*childLastFocused)->GetHandle());
 
             // not SetFocusFromKbd(): we're restoring focus back to the old
             // window and not setting it as the result of a kbd action
@@ -588,7 +636,13 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
     while ( node )
     {
         wxWindow *child = node->GetData();
+        node = node->GetNext();
 
+#ifdef __WXMAC__
+        if ( child->GetParent()->MacIsWindowScrollbar( child ) )
+            continue;
+#endif
+        
         if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() )
         {
 #ifdef __WXMSW__
@@ -603,18 +657,15 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
             }
 #endif
 
-            wxLogTrace(_T("focus"),
-                       _T("SetFocusToChild() => first child (0x%08lx)."),
-                       (unsigned long)child->GetHandle());
+            wxLogTrace(TRACE_FOCUS,
+                       _T("SetFocusToChild() => first child (0x%p)."),
+                       child->GetHandle());
 
             *childLastFocused = child;
             child->SetFocusFromKbd();
             return true;
         }
-
-        node = node->GetNext();
     }
 
     return false;
 }
-