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