include/wx/os2/control.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.h
   3 // Purpose:     wxControl class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     09/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CONTROL_H_
  13 #define _WX_CONTROL_H_
  14
  15 WXDLLEXPORT_DATA(extern const wxChar*) wxControlNameStr;
  16
  17 // General item class
  18 class WXDLLEXPORT wxControl : public wxControlBase
  19 {
  20     DECLARE_ABSTRACT_CLASS(wxControl)
  21
  22 public:
  23    wxControl();
  24    wxControl(wxWindow *parent,
  25              wxWindowID id,
  26              const wxPoint& pos = wxDefaultPosition,
  27              const wxSize& size = wxDefaultSize,
  28              long style = 0,
  29 #if wxUSE_VALIDATORS
  30              const wxValidator& validator = wxDefaultValidator,
  31 #endif
  32              const wxString& name = wxControlNameStr)
  33     {
  34         Create(parent, id, pos, size, style, validator, name);
  35     }
  36
  37     bool Create(wxWindow *parent, wxWindowID id,
  38             const wxPoint& pos = wxDefaultPosition,
  39             const wxSize& size = wxDefaultSize, long style = 0,
  40 #if wxUSE_VALIDATORS
  41             const wxValidator& validator = wxDefaultValidator,
  42 #endif
  43             const wxString& name = wxControlNameStr);
  44     virtual ~wxControl();
  45
  46    // Simulates an event
  47    virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }
  48
  49    // implementation from now on
  50    // --------------------------
  51
  52    // Calls the callback and appropriate event handlers
  53    bool ProcessCommand(wxCommandEvent& event);
  54
  55    // OS2-specific
  56    virtual bool OS2OnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  57
  58    // For ownerdraw items
  59    virtual bool OS2OnDraw(WXDRAWITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  60    virtual bool OS2OnMeasure(WXMEASUREITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  61
  62    wxArrayLong& GetSubcontrols() { return m_subControls; }
  63
  64    void OnEraseBackground(wxEraseEvent& event);
  65
  66 #if WXWIN_COMPATIBILITY
  67    virtual void SetButtonColour(const wxColour& WXUNUSED(col)) { }
  68    wxColour* GetButtonColour() const { return NULL; }
  69
  70    inline virtual void SetLabelFont(const wxFont& font);
  71    inline virtual void SetButtonFont(const wxFont& font);
  72    inline wxFont& GetLabelFont() const;
  73    inline wxFont& GetButtonFont() const;
  74
  75    // Adds callback
  76    inline void Callback(const wxFunction function);
  77
  78    wxFunction GetCallback() { return m_callback; }
  79
  80 protected:
  81    wxFunction       m_callback;     // Callback associated with the window
  82 #endif // WXWIN_COMPATIBILITY
  83
  84 protected:
  85    // For controls like radiobuttons which are really composite
  86    wxList m_subControls;
  87
  88    virtual wxSize DoGetBestSize() const;
  89
  90    // create the control of the given class with the given style, returns FALSE
  91    // if creation failed
  92    bool OS2CreateControl(const wxChar *classname, WXDWORD style,
  93                          const wxPoint& pos = wxDefaultPosition,
  94                          const wxSize& size = wxDefaultSize,
  95                          const wxString& label = wxEmptyString,
  96                          WXDWORD exstyle = (WXDWORD)-1);
  97
  98    // determine the extended styles combination for this window (may slightly
  99    // modify styl parameter)
 100    WXDWORD GetExStyle(WXDWORD& style) const;
 101
 102 private:
 103    DECLARE_EVENT_TABLE()
 104 };
 105
 106
 107 #if WXWIN_COMPATIBILITY
 108     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
 109     inline wxFont& wxControl::GetLabelFont() const { return GetFont(); }
 110     inline wxFont& wxControl::GetButtonFont() const { return GetFont(); }
 111     inline void wxControl::SetLabelFont(const wxFont& font) { SetFont(font); }
 112     inline void wxControl::SetButtonFont(const wxFont& font) { SetFont(font); }
 113 #endif // WXWIN_COMPATIBILITY
 114
 115 #endif
 116     // _WX_CONTROL_H_