include/wx/univ/control.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/univ/control.h
   3 // Purpose:     universal wxControl: adds handling of mnemonics
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     14.08.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_UNIV_CONTROL_H_
  13 #define _WX_UNIV_CONTROL_H_
  14
  15 class WXDLLIMPEXP_FWD_CORE wxControlRenderer;
  16 class WXDLLIMPEXP_FWD_CORE wxInputHandler;
  17 class WXDLLIMPEXP_FWD_CORE wxRenderer;
  18
  19 // we must include it as most/all control classes derive their handlers from
  20 // it
  21 #include "wx/univ/inphand.h"
  22
  23 #include "wx/univ/inpcons.h"
  24
  25 // ----------------------------------------------------------------------------
  26 // wxControlAction: the action is currently just a string which identifies it,
  27 // later it might become an atom (i.e. an opaque handler to string).
  28 // ----------------------------------------------------------------------------
  29
  30 typedef wxString wxControlAction;
  31
  32 // the list of actions which apply to all controls (other actions are defined
  33 // in the controls headers)
  34
  35 #define wxACTION_NONE    wxT("")           // no action to perform
  36
  37 // ----------------------------------------------------------------------------
  38 // wxControl: the base class for all GUI controls
  39 // ----------------------------------------------------------------------------
  40
  41 class WXDLLIMPEXP_CORE wxControl : public wxControlBase, public wxInputConsumer
  42 {
  43 public:
  44     wxControl() { Init(); }
  45
  46     wxControl(wxWindow *parent,
  47               wxWindowID id,
  48               const wxPoint& pos = wxDefaultPosition,
  49               const wxSize& size = wxDefaultSize, long style = 0,
  50               const wxValidator& validator = wxDefaultValidator,
  51               const wxString& name = wxControlNameStr)
  52     {
  53         Init();
  54
  55         Create(parent, id, pos, size, style, validator, name);
  56     }
  57
  58     bool Create(wxWindow *parent,
  59                 wxWindowID id,
  60                 const wxPoint& pos = wxDefaultPosition,
  61                 const wxSize& size = wxDefaultSize, long style = 0,
  62                 const wxValidator& validator = wxDefaultValidator,
  63                 const wxString& name = wxControlNameStr);
  64
  65     // this function will filter out '&' characters and will put the
  66     // accelerator char (the one immediately after '&') into m_chAccel
  67     virtual void SetLabel(const wxString& label);
  68
  69     // return the current label
  70     virtual wxString GetLabel() const { return m_label; }
  71
  72     // wxUniversal-specific methods
  73
  74     // return the index of the accel char in the label or -1 if none
  75     int GetAccelIndex() const { return m_indexAccel; }
  76
  77     // return the accel char itself or 0 if none
  78     wxChar GetAccelChar() const
  79     {
  80         return m_indexAccel == -1 ? wxT('\0') : (wxChar)m_label[m_indexAccel];
  81     }
  82
  83     virtual wxWindow *GetInputWindow() const { return (wxWindow*)this; }
  84
  85 protected:
  86     // common part of all ctors
  87     void Init();
  88
  89     // set m_label and m_indexAccel and refresh the control to show the new
  90     // label (but, unlike SetLabel(), don't call the base class SetLabel() thus
  91     // avoiding to change wxControlBase::m_labelOrig)
  92     void UnivDoSetLabel(const wxString& label);
  93
  94 private:
  95     // label and accel info
  96     wxString   m_label;
  97     int        m_indexAccel;
  98
  99     DECLARE_DYNAMIC_CLASS(wxControl)
 100     DECLARE_EVENT_TABLE()
 101     WX_DECLARE_INPUT_CONSUMER()
 102 };
 103
 104 #endif // _WX_UNIV_CONTROL_H_