]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/panelg.cpp
SN: Disable some features not supported by EMX (#ifndef __EMX__)
[wxWidgets.git] / src / generic / panelg.cpp
index f10285fe4677f9b295313930e845d8d76d900d11..e2b2c838e70b070074c8dd8546988694d48bdc1a 100644 (file)
@@ -6,7 +6,7 @@
 // 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"
 #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)
+void wxPanel::Init()
 {
-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-  SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+    m_winLastFocused = (wxWindow *)NULL;
+    m_btnDefault = (wxButton *)NULL;
 }
 
-bool wxPanel::Create(wxWindow *parent, const wxWindowID id,
-           const wxPoint& pos,
-           const wxSize& size,
-           const long style,
-           const wxString& name)
+bool wxPanel::Create(wxWindow *parent, wxWindowID id,
+                     const wxPoint& pos,
+                     const wxSize& size,
+                     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);
 
-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-  SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-  SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
-  return ret;
-}
+    if ( ret )
+    {
+        SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+        SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+    }
 
-void wxPanel::OnPaint(wxPaintEvent& WXUNUSED(event))
-{
-       // No: if you call the default procedure, it makes
-       // the following painting code not work.
-//     wxWindow::OnPaint(event);
+    return ret;
 }
 
 void wxPanel::InitDialog(void)
 {
-       wxInitDialogEvent event(GetId());
-       event.SetEventObject(this);
-       GetEventHandler()->ProcessEvent(event);
+    wxInitDialogEvent event(GetId());
+    event.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(event);
 }
 
 // Responds to colour changes, and passes event on to children.
 void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-    SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
     Refresh();
 
     // Propagate the event to the non-top-level children
     wxWindow::OnSysColourChanged(event);
 }
 
+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();
+        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();
+}
+
+
+void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+#if wxUSE_CONSTRAINTS
+    if (GetAutoLayout())
+        Layout();
+#endif
+}
+
+void wxPanel::SetFocus()
+{
+    // 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.
+
+    wxNode *node = GetChildren().First();
+    while (node)
+    {
+        wxWindow *child = (wxWindow*) node->Data();
+        if (child->AcceptsFocus())
+        {
+            m_winLastFocused = child;   // should be redundant, but it is not
+            child->SetFocus();
+            return;
+        }
+        node = node->Next();
+    }
+
+    m_winLastFocused = (wxWindow*) NULL;
+
+    wxWindow::SetFocus();
+}
+
+void wxPanel::OnFocus(wxFocusEvent& event)
+{
+    // 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.
+
+    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()))
+        {
+            m_winLastFocused->SetFocus();
+            return;
+        }
+    }
+
+    wxNode *node = GetChildren().First();
+    while (node)
+    {
+        wxWindow *child = (wxWindow*) node->Data();
+        if (child->AcceptsFocus())
+        {
+            m_winLastFocused = child;  // should be redundant, but it is not
+            child->SetFocus();
+            return;
+        }
+        node = node->Next();
+    }
+
+    m_winLastFocused = (wxWindow*) NULL;
+
+    event.Skip();
+}