include/wx/calctrl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/calctrl.h
   3 // Purpose:     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_CALCTRL_H_
  13 #define _WX_CALCTRL_H_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_CALENDARCTRL
  18
  19 #include "wx/dateevt.h"
  20 #include "wx/colour.h"
  21 #include "wx/font.h"
  22 #include "wx/control.h"
  23
  24 // ----------------------------------------------------------------------------
  25 // wxCalendarCtrl flags
  26 // ----------------------------------------------------------------------------
  27
  28 enum
  29 {
  30     // show Sunday as the first day of the week (default)
  31     wxCAL_SUNDAY_FIRST               = 0x0000,
  32
  33     // show Monder as the first day of the week
  34     wxCAL_MONDAY_FIRST               = 0x0001,
  35
  36     // highlight holidays
  37     wxCAL_SHOW_HOLIDAYS              = 0x0002,
  38
  39     // disable the year change control, show only the month change one
  40     // deprecated
  41     wxCAL_NO_YEAR_CHANGE             = 0x0004,
  42
  43     // don't allow changing neither month nor year (implies
  44     // wxCAL_NO_YEAR_CHANGE)
  45     wxCAL_NO_MONTH_CHANGE            = 0x000c,
  46
  47     // use MS-style month-selection instead of combo-spin combination
  48     wxCAL_SEQUENTIAL_MONTH_SELECTION = 0x0010,
  49
  50     // show the neighbouring weeks in the previous and next month
  51     wxCAL_SHOW_SURROUNDING_WEEKS     = 0x0020
  52 };
  53
  54 // ----------------------------------------------------------------------------
  55 // constants
  56 // ----------------------------------------------------------------------------
  57
  58 // return values for the HitTest() method
  59 enum wxCalendarHitTestResult
  60 {
  61     wxCAL_HITTEST_NOWHERE,      // outside of anything
  62     wxCAL_HITTEST_HEADER,       // on the header (weekdays)
  63     wxCAL_HITTEST_DAY,          // on a day in the calendar
  64     wxCAL_HITTEST_INCMONTH,
  65     wxCAL_HITTEST_DECMONTH,
  66     wxCAL_HITTEST_SURROUNDING_WEEK
  67 };
  68
  69 // border types for a date
  70 enum wxCalendarDateBorder
  71 {
  72     wxCAL_BORDER_NONE,          // no border (default)
  73     wxCAL_BORDER_SQUARE,        // a rectangular border
  74     wxCAL_BORDER_ROUND          // a round border
  75 };
  76
  77 // ----------------------------------------------------------------------------
  78 // wxCalendarDateAttr: custom attributes for a calendar date
  79 // ----------------------------------------------------------------------------
  80
  81 class WXDLLIMPEXP_ADV wxCalendarDateAttr
  82 {
  83 public:
  84     // ctors
  85     wxCalendarDateAttr(const wxColour& colText = wxNullColour,
  86                        const wxColour& colBack = wxNullColour,
  87                        const wxColour& colBorder = wxNullColour,
  88                        const wxFont& font = wxNullFont,
  89                        wxCalendarDateBorder border = wxCAL_BORDER_NONE)
  90         : m_colText(colText), m_colBack(colBack),
  91           m_colBorder(colBorder), m_font(font)
  92     {
  93         Init(border);
  94     }
  95     wxCalendarDateAttr(wxCalendarDateBorder border,
  96                        const wxColour& colBorder = wxNullColour)
  97         : m_colBorder(colBorder)
  98     {
  99         Init(border);
 100     }
 101
 102     // setters
 103     void SetTextColour(const wxColour& colText) { m_colText = colText; }
 104     void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
 105     void SetBorderColour(const wxColour& col) { m_colBorder = col; }
 106     void SetFont(const wxFont& font) { m_font = font; }
 107     void SetBorder(wxCalendarDateBorder border) { m_border = border; }
 108     void SetHoliday(bool holiday) { m_holiday = holiday; }
 109
 110     // accessors
 111     bool HasTextColour() const { return m_colText.Ok(); }
 112     bool HasBackgroundColour() const { return m_colBack.Ok(); }
 113     bool HasBorderColour() const { return m_colBorder.Ok(); }
 114     bool HasFont() const { return m_font.Ok(); }
 115     bool HasBorder() const { return m_border != wxCAL_BORDER_NONE; }
 116
 117     bool IsHoliday() const { return m_holiday; }
 118
 119     const wxColour& GetTextColour() const { return m_colText; }
 120     const wxColour& GetBackgroundColour() const { return m_colBack; }
 121     const wxColour& GetBorderColour() const { return m_colBorder; }
 122     const wxFont& GetFont() const { return m_font; }
 123     wxCalendarDateBorder GetBorder() const { return m_border; }
 124
 125     // get or change the "mark" attribute, i.e. the one used for the items
 126     // marked with wxCalendarCtrl::Mark()
 127     static const wxCalendarDateAttr& GetMark() { return m_mark; }
 128     static void SetMark(wxCalendarDateAttr const& m) { m_mark = m; }
 129
 130 protected:
 131     void Init(wxCalendarDateBorder border = wxCAL_BORDER_NONE)
 132     {
 133         m_border = border;
 134         m_holiday = false;
 135     }
 136
 137 private:
 138     static wxCalendarDateAttr m_mark;
 139
 140     wxColour m_colText,
 141              m_colBack,
 142              m_colBorder;
 143     wxFont   m_font;
 144     wxCalendarDateBorder m_border;
 145     bool m_holiday;
 146 };
 147
 148 // ----------------------------------------------------------------------------
 149 // wxCalendarCtrl events
 150 // ----------------------------------------------------------------------------
 151
 152 class WXDLLIMPEXP_FWD_ADV wxCalendarCtrl;
 153
 154 class WXDLLIMPEXP_ADV wxCalendarEvent : public wxDateEvent
 155 {
 156 public:
 157     wxCalendarEvent() : m_wday(wxDateTime::Inv_WeekDay)  { }
 158     wxCalendarEvent(wxWindow *win, const wxDateTime& dt, wxEventType type)
 159         : wxDateEvent(win, dt, type),
 160           m_wday(wxDateTime::Inv_WeekDay)
 161     {
 162     }
 163
 164     void SetWeekDay(const wxDateTime::WeekDay wd) { m_wday = wd; }
 165     wxDateTime::WeekDay GetWeekDay() const { return m_wday; }
 166
 167 private:
 168     wxDateTime::WeekDay m_wday;
 169
 170     DECLARE_DYNAMIC_CLASS_NO_COPY(wxCalendarEvent)
 171 };
 172
 173 // ----------------------------------------------------------------------------
 174 // wxCalendarCtrlBase
 175 // ----------------------------------------------------------------------------
 176
 177 class WXDLLIMPEXP_ADV wxCalendarCtrlBase : public wxControl
 178 {
 179 public:
 180     // do we allow changing the month/year?
 181     bool AllowMonthChange() const { return !HasFlag(wxCAL_NO_MONTH_CHANGE); }
 182
 183     // get/set the current date
 184     virtual wxDateTime GetDate() const = 0;
 185     virtual bool SetDate(const wxDateTime& date) = 0;
 186
 187
 188     // restricting the dates shown by the control to the specified range: only
 189     // implemented in the generic and MSW versions for now
 190
 191     // if either date is set, the corresponding limit will be enforced and true
 192     // returned; if none are set, the existing restrictions are removed and
 193     // false is returned
 194     virtual bool
 195     SetDateRange(const wxDateTime& WXUNUSED(lowerdate) = wxDefaultDateTime,
 196                  const wxDateTime& WXUNUSED(upperdate) = wxDefaultDateTime)
 197     {
 198         return false;
 199     }
 200
 201     // retrieves the limits currently in use (wxDefaultDateTime if none) in the
 202     // provided pointers (which may be NULL) and returns true if there are any
 203     // limits or false if none
 204     virtual bool
 205     GetDateRange(wxDateTime *lowerdate, wxDateTime *upperdate) const
 206     {
 207         if ( lowerdate )
 208             *lowerdate = wxDefaultDateTime;
 209         if ( upperdate )
 210             *upperdate = wxDefaultDateTime;
 211         return false;
 212     }
 213
 214     // returns one of wxCAL_HITTEST_XXX constants and fills either date or wd
 215     // with the corresponding value (none for NOWHERE, the date for DAY and wd
 216     // for HEADER)
 217     //
 218     // notice that this is not implemented in all versions
 219     virtual wxCalendarHitTestResult
 220     HitTest(const wxPoint& WXUNUSED(pos),
 221             wxDateTime* WXUNUSED(date) = NULL,
 222             wxDateTime::WeekDay* WXUNUSED(wd) = NULL)
 223     {
 224         return wxCAL_HITTEST_NOWHERE;
 225     }
 226
 227     // allow or disable changing the current month (and year), return true if
 228     // the value of this option really changed or false if it was already set
 229     // to the required value
 230     //
 231     // NB: we provide implementation for this pure virtual function, derived
 232     //     classes should call it
 233     virtual bool EnableMonthChange(bool enable) = 0;
 234
 235
 236     // an item without custom attributes is drawn with the default colours and
 237     // font and without border, setting custom attributes allows to modify this
 238     //
 239     // the day parameter should be in 1..31 range, for days 29, 30, 31 the
 240     // corresponding attribute is just unused if there is no such day in the
 241     // current month
 242     //
 243     // notice that currently arbitrary attributes are supported only in the
 244     // generic version, the native controls only support Mark() which assigns
 245     // some special appearance (which can be customized using SetMark() for the
 246     // generic version) to the given day
 247
 248     virtual void Mark(size_t day, bool mark) = 0;
 249
 250     virtual wxCalendarDateAttr *GetAttr(size_t WXUNUSED(day)) const
 251         { return NULL; }
 252     virtual void SetAttr(size_t WXUNUSED(day), wxCalendarDateAttr *attr)
 253         { delete attr; }
 254     virtual void ResetAttr(size_t WXUNUSED(day)) { }
 255
 256
 257     // holidays support
 258     //
 259     // currently all functions in this section are implemented in the generic
 260     // version of the control only and are simply ignored by native ones
 261
 262     // equivalent to changing wxCAL_SHOW_HOLIDAYS flag but should be called
 263     // instead of just changing it
 264     virtual void EnableHolidayDisplay(bool WXUNUSED(display) = true) { }
 265
 266     // set/get the colours to use for holidays (if they're enabled)
 267     virtual void SetHolidayColours(const wxColour& WXUNUSED(colFg),
 268                                    const wxColour& WXUNUSED(colBg)) { }
 269
 270     virtual const wxColour& GetHolidayColourFg() const { return wxNullColour; }
 271     virtual const wxColour& GetHolidayColourBg() const { return wxNullColour; }
 272
 273     // mark the given day of the current month as being a holiday
 274     virtual void SetHoliday(size_t WXUNUSED(day)) { }
 275
 276
 277     // customizing the colours of the controls
 278     //
 279     // most of the methods in this section are only implemented by the native
 280     // version of the control and do nothing in the native ones
 281
 282     // set/get the colours to use for the display of the week day names at the
 283     // top of the controls
 284     virtual void SetHeaderColours(const wxColour& WXUNUSED(colFg),
 285                                   const wxColour& WXUNUSED(colBg)) { }
 286
 287     virtual const wxColour& GetHeaderColourFg() const { return wxNullColour; }
 288     virtual const wxColour& GetHeaderColourBg() const { return wxNullColour; }
 289
 290     // set/get the colours used for the currently selected date
 291     virtual void SetHighlightColours(const wxColour& WXUNUSED(colFg),
 292                                      const wxColour& WXUNUSED(colBg)) { }
 293
 294     virtual const wxColour& GetHighlightColourFg() const { return wxNullColour; }
 295     virtual const wxColour& GetHighlightColourBg() const { return wxNullColour; }
 296
 297
 298     // implementation only from now on
 299
 300     // generate the given calendar event, return true if it was processed
 301     //
 302     // NB: this is public because it's used from GTK+ callbacks
 303     bool GenerateEvent(wxEventType type)
 304     {
 305         wxCalendarEvent event(this, GetDate(), type);
 306         return HandleWindowEvent(event);
 307     }
 308
 309 protected:
 310     // generate all the events for the selection change from dateOld to current
 311     // date: SEL_CHANGED, PAGE_CHANGED if necessary and also one of (deprecated)
 312     // YEAR/MONTH/DAY_CHANGED ones
 313     void GenerateAllChangeEvents(const wxDateTime& dateOld);
 314 };
 315
 316 // ----------------------------------------------------------------------------
 317 // wxCalendarCtrl
 318 // ----------------------------------------------------------------------------
 319
 320 #define wxCalendarNameStr "CalendarCtrl"
 321
 322 #ifndef __WXUNIVERSAL__
 323     #if defined(__WXGTK20__)
 324         #define wxHAS_NATIVE_CALENDARCTRL
 325         #include "wx/gtk/calctrl.h"
 326         #define wxCalendarCtrl wxGtkCalendarCtrl
 327     #elif defined(__WXMSW__)
 328         #define wxHAS_NATIVE_CALENDARCTRL
 329         #include "wx/msw/calctrl.h"
 330     #endif
 331 #endif // !__WXUNIVERSAL__
 332
 333 #ifndef wxHAS_NATIVE_CALENDARCTRL
 334     #include "wx/generic/calctrlg.h"
 335     #define wxCalendarCtrl wxGenericCalendarCtrl
 336 #endif
 337
 338 // ----------------------------------------------------------------------------
 339 // calendar event types and macros for handling them
 340 // ----------------------------------------------------------------------------
 341
 342 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_SEL_CHANGED;
 343 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_PAGE_CHANGED;
 344 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_DOUBLECLICKED;
 345 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_WEEKDAY_CLICKED;
 346
 347 // deprecated events
 348 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_DAY_CHANGED;
 349 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_MONTH_CHANGED;
 350 extern WXDLLIMPEXP_ADV const wxEventType wxEVT_CALENDAR_YEAR_CHANGED;
 351
 352 typedef void (wxEvtHandler::*wxCalendarEventFunction)(wxCalendarEvent&);
 353
 354 #define wxCalendarEventHandler(func) \
 355     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxCalendarEventFunction, &func)
 356
 357 #define wx__DECLARE_CALEVT(evt, id, fn) \
 358     wx__DECLARE_EVT1(wxEVT_CALENDAR_ ## evt, id, wxCalendarEventHandler(fn))
 359
 360 #define EVT_CALENDAR(id, fn) wx__DECLARE_CALEVT(DOUBLECLICKED, id, fn)
 361 #define EVT_CALENDAR_SEL_CHANGED(id, fn) wx__DECLARE_CALEVT(SEL_CHANGED, id, fn)
 362 #define EVT_CALENDAR_PAGE_CHANGED(id, fn) wx__DECLARE_CALEVT(PAGE_CHANGED, id, fn)
 363 #define EVT_CALENDAR_WEEKDAY_CLICKED(id, fn) wx__DECLARE_CALEVT(WEEKDAY_CLICKED, id, fn)
 364
 365 // deprecated events
 366 #define EVT_CALENDAR_DAY(id, fn) wx__DECLARE_CALEVT(DAY_CHANGED, id, fn)
 367 #define EVT_CALENDAR_MONTH(id, fn) wx__DECLARE_CALEVT(MONTH_CHANGED, id, fn)
 368 #define EVT_CALENDAR_YEAR(id, fn) wx__DECLARE_CALEVT(YEAR_CHANGED, id, fn)
 369
 370 #endif // wxUSE_CALENDARCTRL
 371
 372 #endif // _WX_CALCTRL_H_
 373