include/wx/generic/spinctlg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/spinctlg.h
   3 // Purpose:     generic wxSpinCtrl class
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     28.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GENERIC_SPINCTRL_H_
  13 #define _WX_GENERIC_SPINCTRL_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxSpinCtrl is a combination of wxSpinButton and wxTextCtrl, so if
  17 // wxSpinButton is available, this is what we do - but if it isn't, we still
  18 // define wxSpinCtrl class which then has the same appearance as wxTextCtrl but
  19 // the different interface. This allows to write programs using wxSpinCtrl
  20 // without tons of #ifdefs.
  21 // ----------------------------------------------------------------------------
  22
  23 #if wxUSE_SPINBTN
  24
  25 class WXDLLIMPEXP_FWD_CORE wxSpinButton;
  26 class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
  27
  28 class wxSpinCtrlTextGeneric; // wxTextCtrl used for the wxSpinCtrlGenericBase
  29
  30 // The !wxUSE_SPINBTN version's GetValue() function conflicts with the
  31 // wxTextCtrl's GetValue() and so you have to input a dummy int value.
  32 #define wxSPINCTRL_GETVALUE_FIX
  33
  34 // ----------------------------------------------------------------------------
  35 // wxSpinCtrlGeneric is a combination of wxTextCtrl and wxSpinButton
  36 //
  37 // This class manages a double valued generic spinctrl through the DoGet/SetXXX
  38 // functions that are made public as Get/SetXXX functions for int or double
  39 // for the wxSpinCtrl and wxSpinCtrlDouble classes respectively to avoid
  40 // function ambiguity.
  41 // ----------------------------------------------------------------------------
  42
  43 class WXDLLIMPEXP_CORE wxSpinCtrlGenericBase : public wxSpinCtrlBase
  44 {
  45 public:
  46     wxSpinCtrlGenericBase() { Init(); }
  47
  48     bool Create(wxWindow *parent,
  49                 wxWindowID id = wxID_ANY,
  50                 const wxString& value = wxEmptyString,
  51                 const wxPoint& pos = wxDefaultPosition,
  52                 const wxSize& size = wxDefaultSize,
  53                 long style = wxSP_ARROW_KEYS,
  54                 double min = 0, double max = 100, double initial = 0, double inc = 1,
  55                 const wxString& name = _T("wxSpinCtrl"));
  56
  57     virtual ~wxSpinCtrlGenericBase();
  58
  59     // accessors
  60     // T GetValue() const
  61     // T GetMin() const
  62     // T GetMax() const
  63     // T GetIncrement() const
  64     virtual bool GetSnapToTicks() const { return m_snap_to_ticks; }
  65     // unsigned GetDigits() const                   - wxSpinCtrlDouble only
  66
  67     // operations
  68     virtual void SetValue(const wxString& text);
  69     // void SetValue(T val)
  70     // void SetRange(T minVal, T maxVal)
  71     // void SetIncrement(T inc)
  72     virtual void SetSnapToTicks(bool snap_to_ticks);
  73     // void SetDigits(unsigned digits)              - wxSpinCtrlDouble only
  74
  75     // Select text in the textctrl
  76     void SetSelection(long from, long to);
  77
  78     // implementation from now on
  79
  80     // forward these functions to all subcontrols
  81     virtual bool Enable(bool enable = true);
  82     virtual bool Show(bool show = true);
  83     virtual bool Reparent(wxWindow *newParent);
  84
  85     // get the subcontrols
  86     wxTextCtrl   *GetText() const       { return m_textCtrl; }
  87     wxSpinButton *GetSpinButton() const { return m_spinButton; }
  88
  89     // forwarded events from children windows
  90     void OnSpinButton(wxSpinEvent& event);
  91     void OnTextEnter(wxCommandEvent& event);
  92     void OnTextChar(wxKeyEvent& event);
  93
  94     friend class wxSpinCtrlTextGeneric;
  95
  96 protected:
  97     // override the base class virtuals involved into geometry calculations
  98     virtual wxSize DoGetBestSize() const;
  99     virtual void DoMoveWindow(int x, int y, int width, int height);
 100
 101     // generic double valued functions
 102     double DoGetValue() const { return m_value; }
 103     bool DoSetValue(double val);
 104     void DoSetRange(double min_val, double max_val);
 105     void DoSetIncrement(double inc);
 106
 107     // Ensure that the textctrl shows correct value
 108     void SyncSpinToText();
 109
 110     // Send the correct event type
 111     virtual void DoSendEvent() = 0;
 112
 113     bool InRange(double n) const { return (n >= m_min) && (n <= m_max); }
 114
 115     double m_value;
 116     double m_min;
 117     double m_max;
 118     double m_increment;
 119     bool   m_snap_to_ticks;
 120     wxString m_format;
 121
 122     int m_spin_value;
 123
 124     // the subcontrols
 125     wxTextCtrl   *m_textCtrl;
 126     wxSpinButton *m_spinButton;
 127
 128 private:
 129     // common part of all ctors
 130     void Init();
 131 };
 132
 133 #else // !wxUSE_SPINBTN
 134
 135 #define wxSPINCTRL_GETVALUE_FIX int = 1
 136
 137 // ----------------------------------------------------------------------------
 138 // wxSpinCtrl is just a text control
 139 // ----------------------------------------------------------------------------
 140
 141 #include "wx/textctrl.h"
 142
 143 class WXDLLIMPEXP_CORE wxSpinCtrlGenericBase : public wxTextCtrl
 144 {
 145 public:
 146     wxSpinCtrlGenericBase() : m_value(0), m_min(0), m_max(100),
 147                               m_increment(1), m_snap_to_ticks(false),
 148                               m_format(wxT("%g")) { }
 149
 150     bool Create(wxWindow *parent,
 151                 wxWindowID id = wxID_ANY,
 152                 const wxString& value = wxEmptyString,
 153                 const wxPoint& pos = wxDefaultPosition,
 154                 const wxSize& size = wxDefaultSize,
 155                 long style = wxSP_ARROW_KEYS,
 156                 double min = 0, double max = 100, double initial = 0, double inc = 1,
 157                 const wxString& name = _T("wxSpinCtrl"))
 158     {
 159         m_min = min;
 160         m_max = max;
 161         m_value = initial;
 162         m_increment = inc;
 163
 164         bool ok = wxTextCtrl::Create(parent, id, value, pos, size, style,
 165                                      wxDefaultValidator, name);
 166         DoSetValue(initial);
 167
 168         return ok;
 169     }
 170
 171     // accessors
 172     // T GetValue() const
 173     // T GetMin() const
 174     // T GetMax() const
 175     // T GetIncrement() const
 176     virtual bool GetSnapToTicks() const { return m_snap_to_ticks; }
 177     // unsigned GetDigits() const                   - wxSpinCtrlDouble only
 178
 179     // operations
 180     virtual void SetValue(const wxString& text) { wxTextCtrl::SetValue(text); }
 181     // void SetValue(T val)
 182     // void SetRange(T minVal, T maxVal)
 183     // void SetIncrement(T inc)
 184     virtual void SetSnapToTicks(bool snap_to_ticks) { m_snap_to_ticks = snap_to_ticks; }
 185     // void SetDigits(unsigned digits)              - wxSpinCtrlDouble only
 186
 187     // Select text in the textctrl
 188     //void SetSelection(long from, long to);
 189
 190 protected:
 191     // generic double valued
 192     double DoGetValue() const
 193     {
 194         double n;
 195         if ( (wxSscanf(wxTextCtrl::GetValue(), wxT("%lf"), &n) != 1) )
 196             n = INT_MIN;
 197
 198         return n;
 199     }
 200
 201     bool DoSetValue(double val) { wxTextCtrl::SetValue(wxString::Format(m_format.c_str(), val)); return true; }
 202     void DoSetRange(double min_val, double max_val) { m_min = min_val; m_max = max_val; }
 203     void DoSetIncrement(double inc) { m_increment = inc; } // Note: unused
 204
 205     double m_value;
 206     double m_min;
 207     double m_max;
 208     double m_increment;
 209     bool   m_snap_to_ticks;
 210     wxString m_format;
 211 };
 212
 213 #endif // wxUSE_SPINBTN/!wxUSE_SPINBTN
 214
 215 #if !defined(wxHAS_NATIVE_SPINCTRL)
 216
 217 //-----------------------------------------------------------------------------
 218 // wxSpinCtrl
 219 //-----------------------------------------------------------------------------
 220
 221 class WXDLLIMPEXP_CORE wxSpinCtrl : public wxSpinCtrlGenericBase
 222 {
 223 public:
 224     wxSpinCtrl() {}
 225     wxSpinCtrl(wxWindow *parent,
 226                wxWindowID id = wxID_ANY,
 227                const wxString& value = wxEmptyString,
 228                const wxPoint& pos = wxDefaultPosition,
 229                const wxSize& size = wxDefaultSize,
 230                long style = wxSP_ARROW_KEYS,
 231                int min = 0, int max = 100, int initial = 0,
 232                const wxString& name = _T("wxSpinCtrl"))
 233     {
 234         Create(parent, id, value, pos, size, style, min, max, initial, name);
 235     }
 236
 237     bool Create(wxWindow *parent,
 238                 wxWindowID id = wxID_ANY,
 239                 const wxString& value = wxEmptyString,
 240                 const wxPoint& pos = wxDefaultPosition,
 241                 const wxSize& size = wxDefaultSize,
 242                 long style = wxSP_ARROW_KEYS,
 243                 int min = 0, int max = 100, int initial = 0,
 244                 const wxString& name = _T("wxSpinCtrl"))
 245     {
 246         return wxSpinCtrlGenericBase::Create(parent, id, value, pos, size, style, min, max, initial, 1, name);
 247     }
 248
 249     // accessors
 250     int GetValue(wxSPINCTRL_GETVALUE_FIX) const { return int(DoGetValue() + 0.5); }
 251     int GetMin() const       { return int(m_min + 0.5); }
 252     int GetMax() const       { return int(m_max + 0.5); }
 253     int GetIncrement() const { return int(m_increment + 0.5); }
 254
 255     // operations
 256     void SetValue(const wxString& value)    { wxSpinCtrlGenericBase::SetValue(value); } // visibility problem w/ gcc
 257     void SetValue( int value )              { DoSetValue(value); }
 258     void SetRange( int minVal, int maxVal ) { DoSetRange(minVal, maxVal); }
 259     void SetIncrement( double inc )         { DoSetIncrement(inc); }
 260
 261 protected:
 262     virtual void DoSendEvent();
 263
 264 private:
 265     DECLARE_DYNAMIC_CLASS(wxSpinCtrl)
 266 };
 267
 268 #endif // wxHAS_NATIVE_SPINCTRL
 269
 270 //-----------------------------------------------------------------------------
 271 // wxSpinCtrlDouble
 272 //-----------------------------------------------------------------------------
 273
 274 class WXDLLIMPEXP_CORE wxSpinCtrlDouble : public wxSpinCtrlGenericBase
 275 {
 276 public:
 277     wxSpinCtrlDouble() : m_digits(0) { }
 278     wxSpinCtrlDouble(wxWindow *parent,
 279                      wxWindowID id = wxID_ANY,
 280                      const wxString& value = wxEmptyString,
 281                      const wxPoint& pos = wxDefaultPosition,
 282                      const wxSize& size = wxDefaultSize,
 283                      long style = wxSP_ARROW_KEYS,
 284                      double min = 0, double max = 100, double initial = 0, double inc = 1,
 285                      const wxString& name = _T("wxSpinCtrlDouble"))
 286     {
 287         m_digits = 0;
 288         Create(parent, id, value, pos, size, style, min, max, initial, inc, name);
 289     }
 290
 291     bool Create(wxWindow *parent,
 292                 wxWindowID id = wxID_ANY,
 293                 const wxString& value = wxEmptyString,
 294                 const wxPoint& pos = wxDefaultPosition,
 295                 const wxSize& size = wxDefaultSize,
 296                 long style = wxSP_ARROW_KEYS,
 297                 double min = 0, double max = 100, double initial = 0, double inc = 1,
 298                 const wxString& name = _T("wxSpinCtrlDouble"))
 299     {
 300         return wxSpinCtrlGenericBase::Create(parent, id, value, pos, size, style, min, max, initial, inc, name);
 301     }
 302
 303     // accessors
 304     double GetValue(wxSPINCTRL_GETVALUE_FIX) const { return DoGetValue(); }
 305     double GetMin() const { return m_min; }
 306     double GetMax() const { return m_max; }
 307     double GetIncrement() const { return m_increment; }
 308     unsigned GetDigits() const { return m_digits; }
 309
 310     // operations
 311     void SetValue(const wxString& value)        { wxSpinCtrlGenericBase::SetValue(value); } // visibility problem w/ gcc
 312     void SetValue(double value)                 { DoSetValue(value); }
 313     void SetRange(double minVal, double maxVal) { DoSetRange(minVal, maxVal); }
 314     void SetIncrement(double inc)               { DoSetIncrement(inc); }
 315     void SetDigits(unsigned digits);
 316
 317 protected:
 318     virtual void DoSendEvent();
 319
 320     unsigned m_digits;
 321
 322 private:
 323     DECLARE_DYNAMIC_CLASS(wxSpinCtrlDouble)
 324 };
 325
 326 #endif // _WX_GENERIC_SPINCTRL_H_