src/motif/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.cpp
   3 // Purpose:     wxControl class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "control.h"
  14 #endif
  15
  16 #include "wx/control.h"
  17
  18 #if !USE_SHARED_LIBRARY
  19 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  20
  21 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  22 END_EVENT_TABLE()
  23 #endif
  24
  25 // Item members
  26 wxControl::wxControl()
  27 {
  28     m_backgroundColour = *wxWHITE;
  29     m_foregroundColour = *wxBLACK;
  30     m_callback = 0;
  31 }
  32
  33 wxControl::~wxControl()
  34 {
  35     // If we delete an item, we should initialize the parent panel,
  36     // because it could now be invalid.
  37     wxWindow *parent = (wxWindow *)GetParent();
  38     if (parent)
  39     {
  40         if (parent->GetDefaultItem() == (wxButton*) this)
  41             parent->SetDefaultItem(NULL);
  42     }
  43 }
  44
  45 void wxControl::SetLabel(const wxString& label)
  46 {
  47     // TODO
  48 }
  49
  50 wxString wxControl::GetLabel() const
  51 {
  52     // TODO
  53     return wxString("");
  54 }
  55
  56 void wxControl::ProcessCommand (wxCommandEvent & event)
  57 {
  58   // Tries:
  59   // 1) A callback function (to become obsolete)
  60   // 2) OnCommand, starting at this window and working up parent hierarchy
  61   // 3) OnCommand then calls ProcessEvent to search the event tables.
  62   if (m_callback)
  63     {
  64       (void) (*(m_callback)) (*this, event);
  65     }
  66     else
  67     {
  68       GetEventHandler()->OnCommand(*this, event);
  69     }
  70 }
  71
  72 void wxControl::Centre (int direction)
  73 {
  74   int x, y, width, height, panel_width, panel_height, new_x, new_y;
  75
  76   wxWindow *parent = (wxWindow *) GetParent ();
  77   if (!parent)
  78     return;
  79
  80   parent->GetClientSize (&panel_width, &panel_height);
  81   GetSize (&width, &height);
  82   GetPosition (&x, &y);
  83
  84   new_x = x;
  85   new_y = y;
  86
  87   if (direction & wxHORIZONTAL)
  88     new_x = (int) ((panel_width - width) / 2);
  89
  90   if (direction & wxVERTICAL)
  91     new_y = (int) ((panel_height - height) / 2);
  92
  93   SetSize (new_x, new_y, width, height);
  94 }
  95