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 #ifdef __GNUG__
  16     #pragma interface "control.h"
  17 #endif
  18
  19 // General item class
  20 class WXDLLEXPORT wxControl : public wxControlBase
  21 {
  22     DECLARE_ABSTRACT_CLASS(wxControl)
  23
  24 public:
  25    wxControl();
  26    virtual ~wxControl();
  27
  28    // Simulates an event
  29    virtual void Command(wxCommandEvent& event) { ProcessCommand(event); }
  30
  31    // implementation from now on
  32    // --------------------------
  33
  34    // Calls the callback and appropriate event handlers
  35    bool ProcessCommand(wxCommandEvent& event);
  36
  37    // OS2-specific
  38    virtual bool OS2OnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  39
  40    // For ownerdraw items
  41    virtual bool OS2OnDraw(WXDRAWITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  42    virtual bool OS2OnMeasure(WXMEASUREITEMSTRUCT *WXUNUSED(item)) { return FALSE; };
  43
  44    wxList& GetSubcontrols() { return m_subControls; }
  45
  46    void OnEraseBackground(wxEraseEvent& event);
  47
  48 #if WXWIN_COMPATIBILITY
  49    virtual void SetButtonColour(const wxColour& WXUNUSED(col)) { }
  50    wxColour* GetButtonColour() const { return NULL; }
  51
  52    inline virtual void SetLabelFont(const wxFont& font);
  53    inline virtual void SetButtonFont(const wxFont& font);
  54    inline wxFont& GetLabelFont() const;
  55    inline wxFont& GetButtonFont() const;
  56
  57    // Adds callback
  58    inline void Callback(const wxFunction function);
  59
  60    wxFunction GetCallback() { return m_callback; }
  61
  62 protected:
  63    wxFunction       m_callback;     // Callback associated with the window
  64 #endif // WXWIN_COMPATIBILITY
  65
  66 protected:
  67    // For controls like radiobuttons which are really composite
  68    wxList m_subControls;
  69
  70    virtual wxSize DoGetBestSize();
  71
  72    // create the control of the given class with the given style, returns FALSE
  73    // if creation failed
  74    bool OS2CreateControl(const wxChar *classname, WXDWORD style);
  75
  76    // determine the extended styles combination for this window (may slightly
  77    // modify styl parameter)
  78    WXDWORD GetExStyle(WXDWORD& style) const;
  79
  80 private:
  81    DECLARE_EVENT_TABLE()
  82 };
  83
  84
  85 #if WXWIN_COMPATIBILITY
  86     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
  87     inline wxFont& wxControl::GetLabelFont() const { return GetFont(); }
  88     inline wxFont& wxControl::GetButtonFont() const { return GetFont(); }
  89     inline void wxControl::SetLabelFont(const wxFont& font) { SetFont(font); }
  90     inline void wxControl::SetButtonFont(const wxFont& font) { SetFont(font); }
  91 #endif // WXWIN_COMPATIBILITY
  92
  93 #endif
  94     // _WX_CONTROL_H_