// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#endif
#ifndef WX_PRECOMP
+#include "wx/object.h"
+#include "wx/font.h"
+#include "wx/colour.h"
#include "wx/settings.h"
+#include "wx/log.h"
#endif
#include "wx/generic/panelg.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow)
BEGIN_EVENT_TABLE(wxPanel, wxWindow)
EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged)
+ EVT_SET_FOCUS(wxPanel::OnFocus)
EVT_NAVIGATION_KEY(wxPanel::OnNavigationKey)
+ EVT_SIZE(wxPanel::OnSize)
END_EVENT_TABLE()
-#endif
-wxPanel::wxPanel()
+void wxPanel::Init()
{
+ m_winLastFocused = (wxWindow *)NULL;
+ m_btnDefault = (wxButton *)NULL;
}
bool wxPanel::Create(wxWindow *parent, wxWindowID id,
{
bool ret = wxWindow::Create(parent, id, pos, size, style, name);
- if ( ret )
+ if ( ret )
{
-#ifndef __WXGTK__
SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
-#endif
}
return ret;
void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
{
+ // there is not much to do if we have only one child (or not at all)
if (GetChildren().GetCount() < 2)
{
event.Skip();
}
// don't process these ones here
- if (event.IsWindowChange())
+ if (event.IsWindowChange())
{
event.Skip();
return;
}
- wxWindow *winFocus = event.GetCurrentFocus();
- if (!winFocus) winFocus = wxWindow::FindFocus();
-
+ // Did the event emitter tell us where the last focus was?
+ // wxGTK does this in wxWindow, but wxMSW does not. It is
+ // also done in wxPanel if the event is propagated up.
+ wxWindow *winFocus = event.GetCurrentFocus();
+
+ // Do we know where the focus was ourselves, then?
+ if (!winFocus)
+ winFocus = m_winLastFocused;
+
+ if (!winFocus)
+ winFocus = wxWindow::FindFocus();
+
if (!winFocus)
{
event.Skip();
return;
}
-
- wxNode *start_node = GetChildren().Find( winFocus );
- if (!start_node) start_node = GetChildren().First();
-
- wxNode *node = event.GetDirection() ? start_node->Next() : start_node->Previous();
-
- while (node != start_node)
+
+ wxWindowList::Node *start_node = GetChildren().Find( winFocus );
+ if ( !start_node )
+ start_node = GetChildren().Find( m_winLastFocused );
+ if ( !start_node )
+ start_node = GetChildren().GetFirst();
+
+ wxWindowList::Node *node = event.GetDirection() ? start_node->GetNext()
+ : start_node->GetPrevious();
+
+ while ( node != start_node )
{
- if (!node)
- {
-/*
- if (GetParent() != NULL)
- {
- wxNavigationKeyEvent new_event;
- new_event.SetDirection( event.GetDirection() );
- new_event.SetWindowChange(FALSE);
- new_event.SetCurrentFocus( this );
-
- if (GetParent()->GetEventHandler()->ProcessEvent(new_event))
- {
- return;
- }
+ // Have we come to the last or first item on the panel?
+ if ( !node )
+ {
+ // Check if our (may be 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 the next/previous
+ // item after this panel in the parent panel).
+ wxWindow *focussed_child_of_parent = this;
+ for ( wxWindow *parent = GetParent(); parent; parent = parent->GetParent() )
+ {
+ // we don't want to tab into a different dialog or frame
+ if ( focussed_child_of_parent->IsTopLevel() )
+ break;
+
+ // is the parent a panel?
+ wxPanel *panel = wxDynamicCast(parent, wxPanel);
+ if (panel)
+ {
+ event.SetCurrentFocus( focussed_child_of_parent );
+ if (parent->GetEventHandler()->ProcessEvent( event ))
+ return;
+ }
+
+ focussed_child_of_parent = parent;
}
-*/
-
- node = event.GetDirection() ? GetChildren().First() : GetChildren().Last();
- }
-
- wxWindow *child = (wxWindow*) node->Data();
-
- if (child->AcceptsFocus())
- {
- child->SetFocus();
- return;
- }
-
- node = node->Next();
+
+ // no, we are not inside another panel so process this ourself
+ node = event.GetDirection() ? GetChildren().GetFirst()
+ : GetChildren().GetLast();
+
+ continue;
+ }
+
+ wxWindow *child = node->GetData();
+
+ if ( child->AcceptsFocus() )
+ {
+ m_winLastFocused = child; // should be redundant, but it is not
+ child->SetFocus();
+ return;
+ }
+
+ node = event.GetDirection() ? node->GetNext() : node->GetPrevious();
+ }
+
+ // we cycled through all of our children and none of them wanted to accept
+ // focus
+ event.Skip();
+}
+
+
+void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+#if wxUSE_CONSTRAINTS
+ if (GetAutoLayout())
+ Layout();
+#endif
+}
+
+void wxPanel::SetFocus()
+{
+ wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08x."), 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)
+ //
+ // If you still want to have old behaviour for wxGTK, edit the
+ // following line
+#if 0 // def __WXGTK__
+ m_winLastFocused = (wxWindow *)NULL;
+#endif // 0
+
+ if ( !SetFocusToChild() )
+ {
+ wxWindow::SetFocus();
}
-
+}
+
+void wxPanel::OnFocus(wxFocusEvent& event)
+{
+ wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08x."), GetHandle());
+
+ // If the panel gets 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();
+
event.Skip();
}
+bool wxPanel::SetFocusToChild()
+{
+ if ( m_winLastFocused )
+ {
+ // It might happen that the window got reparented or no longer accepts
+ // the focus.
+ if ( (m_winLastFocused->GetParent() == this) &&
+ m_winLastFocused->AcceptsFocus() )
+ {
+ wxLogTrace(_T("focus"),
+ _T("SetFocusToChild() => last child (0x%08x)."),
+ m_winLastFocused->GetHandle());
+
+ m_winLastFocused->SetFocus();
+ return TRUE;
+ }
+ else
+ {
+ // it doesn't count as such any more
+ m_winLastFocused = (wxWindow *)NULL;
+ }
+ }
+
+ // set the focus to the first child who wants it
+ wxWindowList::Node *node = GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *child = node->GetData();
+ if ( child->AcceptsFocus() )
+ {
+ wxLogTrace(_T("focus"),
+ _T("SetFocusToChild() => first child (0x%08x)."),
+ child->GetHandle());
+
+ m_winLastFocused = child; // should be redundant, but it is not
+ child->SetFocus();
+ return TRUE;
+ }
+
+ node = node->GetNext();
+ }
+
+ return FALSE;
+}
projects / wxWidgets.git / blobdiff