#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+ #include "wx/containr.h"
+#endif
+
#ifndef WX_PRECOMP
#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
+#endif //WX_PRECOMP
// trace mask for focus messages
#define TRACE_FOCUS _T("focus")
// implementation
// ============================================================================
-wxControlContainer::wxControlContainer(wxWindow *winParent)
+// ----------------------------------------------------------------------------
+// wxControlContainerBase
+// ----------------------------------------------------------------------------
+
+void wxControlContainerBase::SetCanFocus(bool acceptsFocus)
{
- m_winParent = winParent;
+ if ( acceptsFocus == m_acceptsFocus )
+ return;
- m_winLastFocused =
- m_winTmpDefault =
- m_winDefault = NULL;
- m_inSetFocus = false;
+ m_acceptsFocus = acceptsFocus;
+
+ m_winParent->SetCanFocus(m_acceptsFocus);
}
-bool wxControlContainer::AcceptsFocus() const
+// if the window has a focusable child, it shouldn't be focusable itself (think
+// of wxPanel used for grouping different controls) but if it doesn't have any
+// (focusable) children, then it should be possible to give it focus (think of
+// wxGrid or generic wxListCtrl)
+bool wxControlContainerBase::ShouldAcceptFocus() const
{
- // if we're not shown or disabled, we can't accept focus
- if ( m_winParent->IsShown() && m_winParent->IsEnabled() )
+ // 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
+ // accepts focus
+ wxWindowList::compatibility_iterator node = m_winParent->GetChildren().GetFirst();
+ if ( !node )
+ return true;
+
+ while ( node )
{
- // 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;
+ wxWindow *child = node->GetData();
+ node = node->GetNext();
-#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
+ if ( !m_winParent->IsClientAreaChild(child) )
+ continue;
- while ( node )
- {
- wxWindow *child = node->GetData();
+ if ( child->CanAcceptFocus() )
+ return false;
+ }
- if ( child->AcceptsFocus() )
- {
- return true;
- }
+ return true;
+}
-#ifdef __WXMAC__
- wxScrollBar *sb = wxDynamicCast( child , wxScrollBar ) ;
- if ( sb == NULL || !m_winParent->MacIsWindowScrollbar( sb ) )
- hasRealChildren = true ;
-#endif
- node = node->GetNext();
- }
+#ifndef wxHAS_NATIVE_TAB_TRAVERSAL
-#ifdef __WXMAC__
- if ( !hasRealChildren )
- return true ;
-#endif
- }
+// ----------------------------------------------------------------------------
+// generic wxControlContainer
+// ----------------------------------------------------------------------------
- return false;
+wxControlContainer::wxControlContainer()
+{
+ m_winLastFocused = NULL;
+ m_inSetFocus = false;
}
void wxControlContainer::SetLastFocus(wxWindow *win)
}
// propagate the last focus upwards so that our parent can set focus back
- // to us if it loses it now and regains later
- wxWindow *parent = m_winParent->GetParent();
- if ( parent )
+ // to us if it loses it now and regains later; do *not* do this if we are
+ // a toplevel window (e.g. wxDialog) that has another frame as its parent
+ if ( !m_winParent->IsTopLevel() )
{
- wxChildFocusEvent eventFocus(m_winParent);
- parent->GetEventHandler()->ProcessEvent(eventFocus);
+ wxWindow *parent = m_winParent->GetParent();
+ if ( parent )
+ {
+ wxChildFocusEvent eventFocus(m_winParent);
+ parent->GetEventHandler()->ProcessEvent(eventFocus);
+ }
}
}
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 )
+ {
+ // make sure that we don't bubble up the event again from the book
+ // control resulting in infinite recursion
+ wxNavigationKeyEvent eventCopy(event);
+ eventCopy.SetEventObject(m_winParent);
+ if ( bookctrl->GetEventHandler()->ProcessEvent(eventCopy) )
+ 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() )
}
// 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
// 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
// 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 )
{
}
// 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
}
#endif // __WXMSW__
- if ( child->AcceptsFocusFromKeyboard() )
+ if ( child->CanAcceptFocusFromKeyboard() )
{
// 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
{
if ( child == m_winLastFocused )
m_winLastFocused = NULL;
-
- if ( child == m_winDefault )
- m_winDefault = NULL;
-
- if ( child == m_winTmpDefault )
- m_winTmpDefault = NULL;
}
// ----------------------------------------------------------------------------
while ( node )
{
wxWindow *child = node->GetData();
+ node = node->GetNext();
- if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() )
+ // skip special windows:
+ if ( !win->IsClientAreaChild(child) )
+ continue;
+
+ if ( child->CanAcceptFocusFromKeyboard() && !child->IsTopLevel() )
{
#ifdef __WXMSW__
// If a radiobutton is the first focusable child, search for the
child->SetFocusFromKbd();
return true;
}
-
- node = node->GetNext();
}
return false;
}
+#endif // !wxHAS_NATIVE_TAB_TRAVERSAL
projects / wxWidgets.git / blobdiff