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/object.h"
  25 #include "wx/font.h"
  26 #include "wx/colour.h"
  27 #include "wx/settings.h"
  28 #endif
  29
  30 #include "wx/generic/panelg.h"
  31
  32 #if !USE_SHARED_LIBRARY
  33 IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow)
  34
  35 BEGIN_EVENT_TABLE(wxPanel, wxWindow)
  36   EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged)
  37   EVT_NAVIGATION_KEY(wxPanel::OnNavigationKey)
  38 END_EVENT_TABLE()
  39
  40 #endif
  41
  42 wxPanel::wxPanel()
  43 {
  44 }
  45
  46 bool wxPanel::Create(wxWindow *parent, wxWindowID id,
  47                      const wxPoint& pos,
  48                      const wxSize& size,
  49                      long style,
  50                      const wxString& name)
  51 {
  52     bool ret = wxWindow::Create(parent, id, pos, size, style, name);
  53
  54     if ( ret )
  55     {
  56 #ifndef __WXGTK__
  57         SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  58         SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  59 #endif
  60     }
  61
  62     return ret;
  63 }
  64
  65 void wxPanel::InitDialog(void)
  66 {
  67     wxInitDialogEvent event(GetId());
  68     event.SetEventObject(this);
  69     GetEventHandler()->ProcessEvent(event);
  70 }
  71
  72 // Responds to colour changes, and passes event on to children.
  73 void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event)
  74 {
  75     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  76     Refresh();
  77
  78     // Propagate the event to the non-top-level children
  79     wxWindow::OnSysColourChanged(event);
  80 }
  81
  82 void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
  83 {
  84     if (GetChildren().GetCount() < 2)
  85     {
  86         event.Skip();
  87         return;
  88     }
  89
  90     // don't process these ones here
  91     if (event.IsWindowChange())
  92     {
  93         event.Skip();
  94         return;
  95     }
  96
  97     wxWindow *winFocus = event.GetCurrentFocus();
  98     if (!winFocus) winFocus = wxWindow::FindFocus();
  99
 100     if (!winFocus)
 101     {
 102         event.Skip();
 103         return;
 104     }
 105
 106     wxNode *start_node = GetChildren().Find( winFocus );
 107     if (!start_node) start_node = GetChildren().First();
 108
 109     wxNode *node = event.GetDirection() ? start_node->Next() : start_node->Previous();
 110
 111     while (node != start_node)
 112     {
 113         if (!node)
 114         {
 115 /*
 116             if (GetParent() != NULL)
 117             {
 118                 wxNavigationKeyEvent new_event;
 119                 new_event.SetDirection( event.GetDirection() );
 120                 new_event.SetWindowChange(FALSE);
 121                 new_event.SetCurrentFocus( this );
 122
 123                 if (GetParent()->GetEventHandler()->ProcessEvent(new_event))
 124                 {
 125                     return;
 126                 }
 127             }
 128 */
 129
 130             node = event.GetDirection() ? GetChildren().First() : GetChildren().Last();
 131         }
 132
 133         wxWindow *child = (wxWindow*) node->Data();
 134
 135         if (child->AcceptsFocus())
 136         {
 137             child->SetFocus();
 138             return;
 139         }
 140
 141         node = node->Next();
 142     }
 143
 144     event.Skip();
 145 }
 146