src/qt/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.cpp
   3 // Purpose:     wxControl class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "control.h"
  14 #endif
  15
  16 #include "wx/control.h"
  17
  18 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  19
  20 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  21 END_EVENT_TABLE()
  22
  23 // Item members
  24 wxControl::wxControl()
  25 {
  26     m_backgroundColour = *wxWHITE;
  27     m_foregroundColour = *wxBLACK;
  28     m_callback = 0;
  29 }
  30
  31 wxControl::~wxControl()
  32 {
  33     // If we delete an item, we should initialize the parent panel,
  34     // because it could now be invalid.
  35     wxWindow *parent = (wxWindow *)GetParent();
  36     if (parent)
  37     {
  38         if (parent->GetDefaultItem() == this)
  39             parent->SetDefaultItem(NULL);
  40     }
  41 }
  42
  43 void wxControl::SetLabel(const wxString& label)
  44 {
  45     // TODO
  46 }
  47
  48 wxString wxControl::GetLabel() const
  49 {
  50     // TODO
  51     return wxString("");
  52 }
  53
  54 /*
  55  * Allocates control IDs within the appropriate range
  56  */
  57
  58 int NewControlId()
  59 {
  60     static int s_controlId = 0;
  61     s_controlId ++;
  62     return s_controlId;
  63 }
  64
  65 void wxControl::ProcessCommand (wxCommandEvent & event)
  66 {
  67   // Tries:
  68   // 1) A callback function (to become obsolete)
  69   // 2) OnCommand, starting at this window and working up parent hierarchy
  70   // 3) OnCommand then calls ProcessEvent to search the event tables.
  71   if (m_callback)
  72     {
  73       (void) (*(m_callback)) (*this, event);
  74     }
  75     else
  76     {
  77       GetEventHandler()->OnCommand(*this, event);
  78     }
  79 }
  80
  81 void wxControl::SetClientSize (int width, int height)
  82 {
  83   SetSize (-1, -1, width, height);
  84 }
  85
  86 void wxControl::Centre (int direction)
  87 {
  88   int x, y, width, height, panel_width, panel_height, new_x, new_y;
  89
  90   wxWindow *parent = (wxWindow *) GetParent ();
  91   if (!parent)
  92     return;
  93
  94   parent->GetClientSize (&panel_width, &panel_height);
  95   GetSize (&width, &height);
  96   GetPosition (&x, &y);
  97
  98   new_x = x;
  99   new_y = y;
 100
 101   if (direction & wxHORIZONTAL)
 102     new_x = (int) ((panel_width - width) / 2);
 103
 104   if (direction & wxVERTICAL)
 105     new_y = (int) ((panel_height - height) / 2);
 106
 107   SetSize (new_x, new_y, width, height);
 108 }
 109