// 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,
long style,
const wxString& name)
{
- bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+ bool ret = wxWindow::Create(parent, id, pos, size, style, name);
- if ( ret ) {
-#ifndef __WXGTK__
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
-#endif
- }
+ if ( ret )
+ {
+ SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+ SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+ }
- return ret;
+ return ret;
}
void wxPanel::InitDialog(void)
{
- wxInitDialogEvent event(GetId());
- event.SetEventObject(this);
- GetEventHandler()->ProcessEvent(event);
-}
-
-void wxPanel::SetFocus()
-{
- SetFocusToNextChild();
+ wxInitDialogEvent event(GetId());
+ event.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(event);
}
// Responds to colour changes, and passes event on to children.
wxWindow::OnSysColourChanged(event);
}
-void wxPanel::OnNavigationKey(wxNavigationKeyEvent& event)
+void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
{
- // don't process these ones here
- if ( event.IsWindowChange() ) {
- event.Skip();
- return;
- }
-
- // first of all, find the window which currently has the focus
- wxNode *node = GetChildren().First();
- wxWindow *winFocus = event.GetCurrentFocus();
-
- // @@@ no FindFocus() in wxGTK
- #ifndef __WXGTK__
- if ( winFocus == NULL )
- winFocus = wxWindow::FindFocus();
- #endif
-
- while ( node != NULL ) {
- if ( node->Data() == winFocus )
- break;
-
- node = node->Next();
- }
-
- if ( !SetFocusToNextChild(node, event.GetDirection()) )
+ // there is not much to do if we have only one child (or not at all)
+ if (GetChildren().GetCount() < 2)
+ {
+ event.Skip();
+ return;
+ }
+
+ // don't process these ones here
+ if (event.IsWindowChange())
+ {
+ event.Skip();
+ return;
+ }
+
+ // 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;
+ }
+
+ 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 )
+ {
+ // 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;
+ }
+
+ // 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();
}
-// set focus to the next child which accepts it (or first/last if node == NULL)
-bool wxPanel::SetFocusToNextChild(wxNode *node, bool bForward)
+
+void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
{
- // @@ using typed list would be better...
- #define WIN(node) ((wxWindow *)(node->Data()))
-
- bool bFound = FALSE; // have we found a window we will set focus to?
-
- wxList *children = & GetChildren();
- if ( node == NULL ) {
- // we've never had focus before
- node = bForward ? children->First() : children->Last();
- if ( node == NULL ) {
- // no children
- return FALSE;
- }
+#if wxUSE_CONSTRAINTS
+ if (GetAutoLayout())
+ Layout();
+#endif
+}
- bFound = WIN(node)->AcceptsFocus();
- }
-#if 0 // to restore when it will really work (now it's triggered all the time)
- else {
- // just to be sure it's the right one
- wxASSERT( WIN(node)->AcceptsFocus() );
- }
+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
- // find the next child which accepts focus
- bool bParentWantsIt = TRUE;
- while ( !bFound ) {
- node = bForward ? node->Next() : node->Previous();
- if ( node == NULL ) {
- if ( !bParentWantsIt ) {
- // we've already been here which means that we've done a whole
- // cycle without success - get out from the infinite loop
- return FALSE;
- }
-
- // ask parent if he doesn't want to advance focus to the next panel
- if ( GetParent() != NULL ) {
- wxNavigationKeyEvent event;
- event.SetDirection(bForward);
- event.SetWindowChange(FALSE);
- event.SetCurrentFocus(this);
-
- if ( GetParent()->ProcessEvent(event) )
- return TRUE;
- }
-
- // a sentinel to avoid infinite loops
- bParentWantsIt = FALSE;
-
- // wrap around
- node = bForward ? children->First() : children->Last();
+ if ( !SetFocusToChild() )
+ {
+ wxWindow::SetFocus();
}
+}
- bFound = WIN(node)->AcceptsFocus();
- }
-
- WIN(node)->SetFocus();
+void wxPanel::OnFocus(wxFocusEvent& event)
+{
+ wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08x."), GetHandle());
- #undef WIN
+ // 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();
- return TRUE;
+ 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