include/wx/generic/calctrlg.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/calctrlg.h
   3 // Purpose:     generic implementation of date-picker control
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     29.12.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GENERIC_CALCTRLG_H
  13 #define _WX_GENERIC_CALCTRLG_H
  14
  15 #include "wx/control.h"         // the base class
  16 #include "wx/dcclient.h"        // for wxPaintDC
  17
  18 class WXDLLIMPEXP_FWD_CORE wxComboBox;
  19 class WXDLLIMPEXP_FWD_CORE wxStaticText;
  20 class WXDLLIMPEXP_FWD_CORE wxSpinCtrl;
  21 class WXDLLIMPEXP_FWD_CORE wxSpinEvent;
  22
  23 // ----------------------------------------------------------------------------
  24 // wxGenericCalendarCtrl
  25 // ----------------------------------------------------------------------------
  26
  27 class WXDLLIMPEXP_ADV wxGenericCalendarCtrl : public wxCalendarCtrlBase
  28 {
  29 public:
  30     // construction
  31     wxGenericCalendarCtrl() { Init(); }
  32     wxGenericCalendarCtrl(wxWindow *parent,
  33                           wxWindowID id,
  34                           const wxDateTime& date = wxDefaultDateTime,
  35                           const wxPoint& pos = wxDefaultPosition,
  36                           const wxSize& size = wxDefaultSize,
  37                           long style = wxCAL_SHOW_HOLIDAYS,
  38                           const wxString& name = wxCalendarNameStr);
  39
  40     bool Create(wxWindow *parent,
  41                 wxWindowID id,
  42                 const wxDateTime& date = wxDefaultDateTime,
  43                 const wxPoint& pos = wxDefaultPosition,
  44                 const wxSize& size = wxDefaultSize,
  45                 long style = wxCAL_SHOW_HOLIDAYS,
  46                 const wxString& name = wxCalendarNameStr);
  47
  48     virtual ~wxGenericCalendarCtrl();
  49
  50     virtual bool Destroy();
  51
  52     // set/get the current date
  53     // ------------------------
  54
  55     virtual bool SetDate(const wxDateTime& date);
  56     virtual wxDateTime GetDate() const { return m_date; }
  57
  58
  59     // set/get the range in which selection can occur
  60     // ---------------------------------------------
  61
  62     virtual bool SetDateRange(const wxDateTime& lowerdate = wxDefaultDateTime,
  63                               const wxDateTime& upperdate = wxDefaultDateTime);
  64
  65     virtual bool GetDateRange(wxDateTime *lowerdate, wxDateTime *upperdate) const;
  66
  67     // these functions are for generic version only, don't use them but use the
  68     // Set/GetDateRange() above instead
  69     bool SetLowerDateLimit(const wxDateTime& date = wxDefaultDateTime);
  70     const wxDateTime& GetLowerDateLimit() const { return m_lowdate; }
  71     bool SetUpperDateLimit(const wxDateTime& date = wxDefaultDateTime);
  72     const wxDateTime& GetUpperDateLimit() const { return m_highdate; }
  73
  74
  75     // calendar mode
  76     // -------------
  77
  78     // some calendar styles can't be changed after the control creation by
  79     // just using SetWindowStyle() and Refresh() and the functions below
  80     // should be used instead for them
  81
  82     // corresponds to wxCAL_NO_MONTH_CHANGE bit
  83     virtual bool EnableMonthChange(bool enable = true);
  84
  85     // corresponds to wxCAL_NO_YEAR_CHANGE bit, deprecated, generic only
  86     void EnableYearChange(bool enable = true);
  87
  88
  89     // customization
  90     // -------------
  91
  92     virtual void Mark(size_t day, bool mark);
  93
  94     // all other functions in this section are for generic version only
  95
  96     // header colours are used for painting the weekdays at the top
  97     virtual void SetHeaderColours(const wxColour& colFg, const wxColour& colBg)
  98     {
  99         m_colHeaderFg = colFg;
 100         m_colHeaderBg = colBg;
 101     }
 102
 103     virtual const wxColour& GetHeaderColourFg() const { return m_colHeaderFg; }
 104     virtual const wxColour& GetHeaderColourBg() const { return m_colHeaderBg; }
 105
 106     // highlight colour is used for the currently selected date
 107     virtual void SetHighlightColours(const wxColour& colFg, const wxColour& colBg)
 108     {
 109         m_colHighlightFg = colFg;
 110         m_colHighlightBg = colBg;
 111     }
 112
 113     virtual const wxColour& GetHighlightColourFg() const { return m_colHighlightFg; }
 114     virtual const wxColour& GetHighlightColourBg() const { return m_colHighlightBg; }
 115
 116     // holiday colour is used for the holidays (if style & wxCAL_SHOW_HOLIDAYS)
 117     virtual void SetHolidayColours(const wxColour& colFg, const wxColour& colBg)
 118     {
 119         m_colHolidayFg = colFg;
 120         m_colHolidayBg = colBg;
 121     }
 122
 123     virtual const wxColour& GetHolidayColourFg() const { return m_colHolidayFg; }
 124     virtual const wxColour& GetHolidayColourBg() const { return m_colHolidayBg; }
 125
 126     virtual wxCalendarDateAttr *GetAttr(size_t day) const
 127     {
 128         wxCHECK_MSG( day > 0 && day < 32, NULL, _T("invalid day") );
 129
 130         return m_attrs[day - 1];
 131     }
 132
 133     virtual void SetAttr(size_t day, wxCalendarDateAttr *attr)
 134     {
 135         wxCHECK_RET( day > 0 && day < 32, _T("invalid day") );
 136
 137         delete m_attrs[day - 1];
 138         m_attrs[day - 1] = attr;
 139     }
 140
 141     virtual void ResetAttr(size_t day) { SetAttr(day, NULL); }
 142
 143     virtual void SetHoliday(size_t day);
 144
 145     virtual wxCalendarHitTestResult HitTest(const wxPoint& pos,
 146                                             wxDateTime *date = NULL,
 147                                             wxDateTime::WeekDay *wd = NULL);
 148
 149     // implementation only from now on
 150     // -------------------------------
 151
 152     // forward these functions to all subcontrols
 153     virtual bool Enable(bool enable = true);
 154     virtual bool Show(bool show = true);
 155
 156     virtual void SetWindowStyleFlag(long style);
 157
 158     virtual wxVisualAttributes GetDefaultAttributes() const
 159         { return GetClassDefaultAttributes(GetWindowVariant()); }
 160
 161     static wxVisualAttributes
 162     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
 163
 164     void OnSysColourChanged(wxSysColourChangedEvent& event);
 165
 166 protected:
 167     // override some base class virtuals
 168     virtual wxSize DoGetBestSize() const;
 169     virtual void DoMoveWindow(int x, int y, int width, int height);
 170     virtual void DoGetSize(int *width, int *height) const;
 171
 172 private:
 173     // common part of all ctors
 174     void Init();
 175
 176     // startup colours and reinitialization after colour changes in system
 177     void InitColours();
 178
 179     // event handlers
 180     void OnPaint(wxPaintEvent& event);
 181     void OnClick(wxMouseEvent& event);
 182     void OnDClick(wxMouseEvent& event);
 183     void OnChar(wxKeyEvent& event);
 184     void OnMonthChange(wxCommandEvent& event);
 185
 186     void HandleYearChange(wxCommandEvent& event);
 187     void OnYearChange(wxSpinEvent& event);
 188     void OnYearTextChange(wxCommandEvent& event);
 189
 190     // (re)calc m_widthCol and m_heightRow
 191     void RecalcGeometry();
 192
 193     // set the date and send the notification
 194     void SetDateAndNotify(const wxDateTime& date);
 195
 196     // get the week (row, in range 1..6) for the given date
 197     size_t GetWeek(const wxDateTime& date) const;
 198
 199     // get the date from which we start drawing days
 200     wxDateTime GetStartDate() const;
 201
 202     // is this date shown?
 203     bool IsDateShown(const wxDateTime& date) const;
 204
 205     // is this date in the given range?
 206     bool IsDateInRange(const wxDateTime& date) const;
 207
 208     // range helpers
 209     bool ChangeYear(wxDateTime* target) const;
 210     bool ChangeMonth(wxDateTime* target) const;
 211
 212     // redraw the given date
 213     void RefreshDate(const wxDateTime& date);
 214
 215     // change the date inside the same month/year
 216     void ChangeDay(const wxDateTime& date);
 217
 218     // deprecated
 219     bool AllowYearChange() const
 220     {
 221         return !(GetWindowStyle() & wxCAL_NO_YEAR_CHANGE);
 222     }
 223
 224     // show the correct controls
 225     void ShowCurrentControls();
 226
 227     // create the month combo and year spin controls
 228     void CreateMonthComboBox();
 229     void CreateYearSpinCtrl();
 230
 231 public:
 232     // get the currently shown control for month/year
 233     wxControl *GetMonthControl() const;
 234     wxControl *GetYearControl() const;
 235
 236 private:
 237     virtual void ResetHolidayAttrs();
 238     virtual void RefreshHolidays() { Refresh(); }
 239
 240     // OnPaint helper-methods
 241
 242     // Highlight the [fromdate : todate] range using pen and brush
 243     void HighlightRange(wxPaintDC* dc, const wxDateTime& fromdate, const wxDateTime& todate, const wxPen* pen, const wxBrush* brush);
 244
 245     // Get the "coordinates" for the date relative to the month currently displayed.
 246     // using (day, week): upper left coord is (1, 1), lower right coord is (7, 6)
 247     // if the date isn't visible (-1, -1) is put in (day, week) and false is returned
 248     bool GetDateCoord(const wxDateTime& date, int *day, int *week) const;
 249
 250     // Set the flag for SetDate(): otherwise it would overwrite the year
 251     // typed in by the user
 252     void SetUserChangedYear() { m_userChangedYear = true; }
 253
 254
 255     // the subcontrols
 256     wxStaticText *m_staticMonth;
 257     wxComboBox *m_comboMonth;
 258
 259     wxStaticText *m_staticYear;
 260     wxSpinCtrl *m_spinYear;
 261
 262     // the current selection
 263     wxDateTime m_date;
 264
 265     // the date-range
 266     wxDateTime m_lowdate;
 267     wxDateTime m_highdate;
 268
 269     // default attributes
 270     wxColour m_colHighlightFg,
 271              m_colHighlightBg,
 272              m_colHolidayFg,
 273              m_colHolidayBg,
 274              m_colHeaderFg,
 275              m_colHeaderBg,
 276              m_colBackground,
 277              m_colSurrounding;
 278
 279     // the attributes for each of the month days
 280     wxCalendarDateAttr *m_attrs[31];
 281
 282     // the width and height of one column/row in the calendar
 283     wxCoord m_widthCol,
 284             m_heightRow,
 285             m_rowOffset;
 286
 287     wxRect m_leftArrowRect,
 288            m_rightArrowRect;
 289
 290     // the week day names
 291     wxString m_weekdays[7];
 292
 293     // true if SetDate() is being called as the result of changing the year in
 294     // the year control
 295     bool m_userChangedYear;
 296
 297     DECLARE_DYNAMIC_CLASS(wxGenericCalendarCtrl)
 298     DECLARE_EVENT_TABLE()
 299     DECLARE_NO_COPY_CLASS(wxGenericCalendarCtrl)
 300 };
 301
 302 #endif // _WX_GENERIC_CALCTRLG_H