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*          pParent
  27              ,wxWindowID         vId
  28              ,const wxPoint&     rPos = wxDefaultPosition
  29              ,const wxSize&      rSize = wxDefaultSize
  30              ,long               lStyle = 0
  31 #if wxUSE_VALIDATORS
  32              ,const wxValidator& rValidator = wxDefaultValidator
  33 #endif
  34              ,const wxString&    rsName = wxControlNameStr
  35             )
  36     {
  37         Create( pParent
  38                ,vId
  39                ,rPos
  40                ,rSize
  41                ,lStyle
  42                ,rValidator
  43                ,rsName
  44               );
  45     }
  46     virtual ~wxControl();
  47
  48     bool Create( wxWindow*          pParent
  49                 ,wxWindowID         vId
  50                 ,const wxPoint&     rPos = wxDefaultPosition
  51                 ,const wxSize&      rSize = wxDefaultSize
  52                 ,long               lStyle = 0
  53 #if wxUSE_VALIDATORS
  54                 ,const wxValidator& rValidator = wxDefaultValidator
  55 #endif
  56                 ,const wxString&    rsName = wxControlNameStr
  57                );
  58
  59     //
  60     // Simulates an event
  61     //
  62     virtual void Command(wxCommandEvent& rEvent) { ProcessCommand(rEvent); }
  63
  64     //
  65     // Implementation from now on
  66     // --------------------------
  67     //
  68
  69     //
  70     // Calls the callback and appropriate event handlers
  71     //
  72     bool ProcessCommand(wxCommandEvent& rEvent);
  73
  74     //
  75     // For ownerdraw items
  76     //
  77     virtual bool OS2OnDraw(WXDRAWITEMSTRUCT* WXUNUSED(pItem)) { return FALSE; };
  78     virtual bool OS2OnMeasure(WXMEASUREITEMSTRUCT* WXUNUSED(pItem)) { return FALSE; };
  79
  80     wxArrayLong&     GetSubcontrols() { return m_aSubControls; }
  81     void             OnEraseBackground(wxEraseEvent& rEvent);
  82     virtual WXHBRUSH OnCtlColor( WXHDC    hDC
  83                                 ,WXHWND   pWnd
  84                                 ,WXUINT   nCtlColor
  85                                 ,WXUINT   uMessage
  86                                 ,WXWPARAM wParam
  87                                 ,WXLPARAM lParam
  88                                );
  89
  90 #if WXWIN_COMPATIBILITY
  91     virtual void SetButtonColour(const wxColour& WXUNUSED(rCol)) { }
  92     wxColour*    GetButtonColour(void) const { return NULL; }
  93
  94     inline virtual void SetLabelFont(const wxFont& rFont);
  95     inline virtual void SetButtonFont(const wxFont& rFont);
  96     inline wxFont&      GetLabelFont(void) const;
  97     inline wxFont&      GetButtonFont(void) const;
  98
  99     //
 100     // Adds callback
 101     //
 102     inline void Callback(const wxFunction function);
 103     wxFunction  GetCallback(void) { return m_callback; }
 104
 105 protected:
 106     wxFunction                      m_callback;     // Callback associated with the window
 107 #endif // WXWIN_COMPATIBILITY
 108
 109 protected:
 110     //
 111     // For controls like radiobuttons which are really composite
 112     //
 113     wxArrayLong m_aSubControls;
 114
 115     virtual wxSize DoGetBestSize(void) const;
 116
 117     //
 118     // Create the control of the given class with the given style, returns FALSE
 119     // if creation failed.
 120     //
 121     bool OS2CreateControl( const wxChar*   zClassname
 122                           ,WXDWORD         dwStyle
 123                           ,const wxPoint&  rPos = wxDefaultPosition
 124                           ,const wxSize&   rSize = wxDefaultSize
 125                           ,const wxString& rsLabel = wxEmptyString
 126                           ,WXDWORD         dwExstyle = (WXDWORD)-1
 127                          );
 128
 129     //
 130     // Determine the extended styles combination for this window (may slightly
 131     // modify styl parameter)
 132     //
 133     WXDWORD GetExStyle(WXDWORD& rStyle) const;
 134
 135 private:
 136    DECLARE_EVENT_TABLE()
 137 }; // end of wxControl
 138
 139 #if WXWIN_COMPATIBILITY
 140     inline void wxControl::Callback(const wxFunction f) { m_callback = f; };
 141     inline wxFont& wxControl::GetLabelFont(void) const { return GetFont(); }
 142     inline wxFont& wxControl::GetButtonFont(void) const { return GetFont(); }
 143     inline void wxControl::SetLabelFont(const wxFont& rFont) { SetFont(rFont); }
 144     inline void wxControl::SetButtonFont(const wxFont& rFont) { SetFont(rFont); }
 145 #endif // WXWIN_COMPATIBILITY
 146
 147 #endif // _WX_CONTROL_H_
 148