src/generic/panelg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        panelg.cpp
   3 // Purpose:     wxPanel
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "panelg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/settings.h"
  25 #endif
  26
  27 #include "wx/generic/panelg.h"
  28
  29 #if !USE_SHARED_LIBRARY
  30 IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow)
  31
  32 BEGIN_EVENT_TABLE(wxPanel, wxWindow)
  33   EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged)
  34   EVT_NAVIGATION_KEY(wxPanel::OnNavigationKey)
  35 END_EVENT_TABLE()
  36
  37 #endif
  38
  39 wxPanel::wxPanel()
  40 {
  41 }
  42
  43 bool wxPanel::Create(wxWindow *parent, wxWindowID id,
  44                      const wxPoint& pos,
  45                      const wxSize& size,
  46                      long style,
  47                      const wxString& name)
  48 {
  49     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  50
  51     if ( ret )
  52     {
  53 #ifndef __WXGTK__
  54         SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  55         SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  56 #endif
  57     }
  58
  59     return ret;
  60 }
  61
  62 void wxPanel::InitDialog(void)
  63 {
  64     wxInitDialogEvent event(GetId());
  65     event.SetEventObject(this);
  66     GetEventHandler()->ProcessEvent(event);
  67 }
  68
  69 // Responds to colour changes, and passes event on to children.
  70 void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event)
  71 {
  72     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  73     Refresh();
  74
  75     // Propagate the event to the non-top-level children
  76     wxWindow::OnSysColourChanged(event);
  77 }
  78
  79 void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
  80 {
  81     if (GetChildren().GetCount() < 2)
  82     {
  83         event.Skip();
  84         return;
  85     }
  86
  87     // don't process these ones here
  88     if (event.IsWindowChange())
  89     {
  90         event.Skip();
  91         return;
  92     }
  93
  94     wxWindow *winFocus = event.GetCurrentFocus();
  95     if (!winFocus) winFocus = wxWindow::FindFocus();
  96
  97     if (!winFocus)
  98     {
  99         event.Skip();
 100         return;
 101     }
 102
 103     wxNode *start_node = GetChildren().Find( winFocus );
 104     if (!start_node) start_node = GetChildren().First();
 105
 106     wxNode *node = event.GetDirection() ? start_node->Next() : start_node->Previous();
 107
 108     while (node != start_node)
 109     {
 110         if (!node)
 111         {
 112 /*
 113             if (GetParent() != NULL)
 114             {
 115                 wxNavigationKeyEvent new_event;
 116                 new_event.SetDirection( event.GetDirection() );
 117                 new_event.SetWindowChange(FALSE);
 118                 new_event.SetCurrentFocus( this );
 119
 120                 if (GetParent()->GetEventHandler()->ProcessEvent(new_event))
 121                 {
 122                     return;
 123                 }
 124             }
 125 */
 126
 127             node = event.GetDirection() ? GetChildren().First() : GetChildren().Last();
 128         }
 129
 130         wxWindow *child = (wxWindow*) node->Data();
 131
 132         if (child->AcceptsFocus())
 133         {
 134             child->SetFocus();
 135             return;
 136         }
 137
 138         node = node->Next();
 139     }
 140
 141     event.Skip();
 142 }
 143