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 // General item class
  16 class WXDLLEXPORT wxControl : public wxControlBase
  17 {
  18     DECLARE_ABSTRACT_CLASS(wxControl)
  19
  20 public:
  21    wxControl();
  22    virtual ~wxControl();
  23
  24    // Simulates an event
  25    virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }
  26
  27    // implementation from now on
  28    // --------------------------
  29
  30    // Calls the callback and appropriate event handlers
  31    bool ProcessCommand(wxCommandEvent& event);
  32
  33    // OS2-specific
  34    virtual bool OS2OnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  35
  36    // For ownerdraw items
  37    virtual bool OS2OnDraw(WXDRAWITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  38    virtual bool OS2OnMeasure(WXMEASUREITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  39
  40    wxList& GetSubcontrols() { return m_subControls; }
  41
  42    void OnEraseBackground(wxEraseEvent& event);
  43
  44 #if WXWIN_COMPATIBILITY
  45    virtual void SetButtonColour(const wxColour& WXUNUSED(col)) { }
  46    wxColour* GetButtonColour() const { return NULL; }
  47
  48    inline virtual void SetLabelFont(const wxFont& font);
  49    inline virtual void SetButtonFont(const wxFont& font);
  50    inline wxFont& GetLabelFont() const;
  51    inline wxFont& GetButtonFont() const;
  52
  53    // Adds callback
  54    inline void Callback(const wxFunction function);
  55
  56    wxFunction GetCallback() { return m_callback; }
  57
  58 protected:
  59    wxFunction       m_callback;     // Callback associated with the window
  60 #endif // WXWIN_COMPATIBILITY
  61
  62 protected:
  63    // For controls like radiobuttons which are really composite
  64    wxList m_subControls;
  65
  66    virtual wxSize DoGetBestSize();
  67
  68    // create the control of the given class with the given style, returns FALSE
  69    // if creation failed
  70    bool OS2CreateControl(const wxChar *classname, WXDWORD style);
  71
  72    // determine the extended styles combination for this window (may slightly
  73    // modify styl parameter)
  74    WXDWORD GetExStyle(WXDWORD& style) const;
  75
  76 private:
  77    DECLARE_EVENT_TABLE()
  78 };
  79
  80
  81 #if WXWIN_COMPATIBILITY
  82     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
  83     inline wxFont& wxControl::GetLabelFont() const { return GetFont(); }
  84     inline wxFont& wxControl::GetButtonFont() const { return GetFont(); }
  85     inline void wxControl::SetLabelFont(const wxFont& font) { SetFont(font); }
  86     inline void wxControl::SetButtonFont(const wxFont& font) { SetFont(font); }
  87 #endif // WXWIN_COMPATIBILITY
  88
  89 #endif
  90     // _WX_CONTROL_H_