include/wx/univ/checkbox.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/univ/checkbox.h
   3 // Purpose:     wxCheckBox declaration
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     07.09.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_UNIV_CHECKBOX_H_
  13 #define _WX_UNIV_CHECKBOX_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "univcheckbox.h"
  17 #endif
  18
  19 #include "wx/button.h" // for wxStdButtonInputHandler
  20
  21 // ----------------------------------------------------------------------------
  22 // the actions supported by wxCheckBox
  23 // ----------------------------------------------------------------------------
  24
  25 #define wxACTION_CHECKBOX_CHECK   _T("check")   // SetValue(TRUE)
  26 #define wxACTION_CHECKBOX_CLEAR   _T("clear")   // SetValue(FALSE)
  27 #define wxACTION_CHECKBOX_TOGGLE  _T("toggle")  // toggle the check state
  28
  29 // additionally it accepts wxACTION_BUTTON_PRESS and RELEASE
  30
  31 // ----------------------------------------------------------------------------
  32 // wxCheckBox
  33 // ----------------------------------------------------------------------------
  34
  35 class WXDLLEXPORT wxCheckBox : public wxCheckBoxBase
  36 {
  37 public:
  38     // checkbox constants
  39     enum State
  40     {
  41         State_Normal,
  42         State_Pressed,
  43         State_Disabled,
  44         State_Current,
  45         State_Max
  46     };
  47
  48     enum Status
  49     {
  50         Status_Checked,
  51         Status_Unchecked,
  52         Status_Unknown,
  53         Status_Max
  54     };
  55
  56     // constructors
  57     wxCheckBox() { Init(); }
  58
  59     wxCheckBox(wxWindow *parent,
  60                wxWindowID id,
  61                const wxString& label,
  62                const wxPoint& pos = wxDefaultPosition,
  63                const wxSize& size = wxDefaultSize,
  64                long style = 0,
  65                const wxValidator& validator = wxDefaultValidator,
  66                const wxString& name = wxCheckBoxNameStr)
  67     {
  68         Init();
  69
  70         Create(parent, id, label, pos, size, style, validator, name);
  71     }
  72
  73     bool Create(wxWindow *parent,
  74                 wxWindowID id,
  75                 const wxString& label,
  76                 const wxPoint& pos = wxDefaultPosition,
  77                 const wxSize& size = wxDefaultSize,
  78                 long style = 0,
  79                 const wxValidator& validator = wxDefaultValidator,
  80                 const wxString& name = wxCheckBoxNameStr);
  81
  82     // implement the checkbox interface
  83     virtual void SetValue(bool value);
  84     virtual bool GetValue() const;
  85
  86     // set/get the bitmaps to use for the checkbox indicator
  87     void SetBitmap(const wxBitmap& bmp, State state, Status status);
  88     virtual wxBitmap GetBitmap(State state, Status status) const;
  89
  90     // wxCheckBox actions
  91     void Toggle();
  92     virtual void Press();
  93     virtual void Release();
  94     virtual void ChangeValue(bool value);
  95
  96     // overridden base class virtuals
  97     virtual bool IsPressed() const { return m_isPressed; }
  98
  99 protected:
 100     virtual bool PerformAction(const wxControlAction& action,
 101                                long numArg = -1,
 102                                const wxString& strArg = wxEmptyString);
 103     virtual void DoDraw(wxControlRenderer *renderer);
 104     virtual wxSize DoGetBestClientSize() const;
 105
 106     virtual bool CanBeHighlighted() const { return TRUE; }
 107
 108     // get the size of the bitmap using either the current one or the default
 109     // one (query renderer then)
 110     virtual wxSize GetBitmapSize() const;
 111
 112     // common part of all ctors
 113     void Init();
 114
 115     // send command event notifying about the checkbox state change
 116     virtual void SendEvent();
 117
 118     // called when the checkbox becomes checked - radio button hook
 119     virtual void OnCheck();
 120
 121     // get the state corresponding to the flags (combination of wxCONTROL_XXX)
 122     wxCheckBox::State GetState(int flags) const;
 123
 124     // directly access the bitmaps array without trying to find a valid bitmap
 125     // to use as GetBitmap() does
 126     wxBitmap DoGetBitmap(State state, Status status) const
 127         { return m_bitmaps[state][status]; }
 128
 129     // get the current status
 130     Status GetStatus() const { return m_status; }
 131
 132 private:
 133     // the current check status
 134     Status m_status;
 135
 136     // the bitmaps to use for the different states
 137     wxBitmap m_bitmaps[State_Max][Status_Max];
 138
 139     // is the checkbox currently pressed?
 140     bool m_isPressed;
 141
 142     DECLARE_DYNAMIC_CLASS(wxCheckBox)
 143 };
 144
 145 // ----------------------------------------------------------------------------
 146 // wxStdCheckboxInputHandler: handles the mouse events for the check and radio
 147 // boxes (handling the keyboard input is simple, but its handling differs a
 148 // lot between GTK and MSW, so a new class should be derived for this)
 149 // ----------------------------------------------------------------------------
 150
 151 class WXDLLEXPORT wxStdCheckboxInputHandler : public wxStdButtonInputHandler
 152 {
 153 public:
 154     wxStdCheckboxInputHandler(wxInputHandler *inphand);
 155
 156     // we have to override this one as wxStdButtonInputHandler version works
 157     // only with the buttons
 158     virtual bool HandleActivation(wxControl *control, bool activated);
 159 };
 160
 161 #endif // _WX_UNIV_CHECKBOX_H_