+// ----------------------------------------------------------------------------
+// wxCalendarCtrlBase
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxCalendarCtrlBase : public wxControl
+{
+public:
+ // do we allow changing the month/year?
+ bool AllowMonthChange() const { return !HasFlag(wxCAL_NO_MONTH_CHANGE); }
+
+ // get/set the current date
+ virtual wxDateTime GetDate() const = 0;
+ virtual bool SetDate(const wxDateTime& date) = 0;
+
+
+ // restricting the dates shown by the control to the specified range: only
+ // implemented in the generic and MSW versions for now
+
+ // if either date is set, the corresponding limit will be enforced and true
+ // returned; if none are set, the existing restrictions are removed and
+ // false is returned
+ virtual bool
+ SetDateRange(const wxDateTime& WXUNUSED(lowerdate) = wxDefaultDateTime,
+ const wxDateTime& WXUNUSED(upperdate) = wxDefaultDateTime)
+ {
+ return false;
+ }
+
+ // retrieves the limits currently in use (wxDefaultDateTime if none) in the
+ // provided pointers (which may be NULL) and returns true if there are any
+ // limits or false if none
+ virtual bool
+ GetDateRange(wxDateTime *lowerdate, wxDateTime *upperdate) const
+ {
+ if ( lowerdate )
+ *lowerdate = wxDefaultDateTime;
+ if ( upperdate )
+ *upperdate = wxDefaultDateTime;
+ return false;
+ }
+
+ // returns one of wxCAL_HITTEST_XXX constants and fills either date or wd
+ // with the corresponding value (none for NOWHERE, the date for DAY and wd
+ // for HEADER)
+ //
+ // notice that this is not implemented in all versions
+ virtual wxCalendarHitTestResult
+ HitTest(const wxPoint& WXUNUSED(pos),
+ wxDateTime* WXUNUSED(date) = NULL,
+ wxDateTime::WeekDay* WXUNUSED(wd) = NULL)
+ {
+ return wxCAL_HITTEST_NOWHERE;
+ }
+
+ // allow or disable changing the current month (and year), return true if
+ // the value of this option really changed or false if it was already set
+ // to the required value
+ //
+ // NB: we provide implementation for this pure virtual function, derived
+ // classes should call it
+ virtual bool EnableMonthChange(bool enable = true) = 0;
+
+
+ // an item without custom attributes is drawn with the default colours and
+ // font and without border, setting custom attributes allows to modify this
+ //
+ // the day parameter should be in 1..31 range, for days 29, 30, 31 the
+ // corresponding attribute is just unused if there is no such day in the
+ // current month
+ //
+ // notice that currently arbitrary attributes are supported only in the
+ // generic version, the native controls only support Mark() which assigns
+ // some special appearance (which can be customized using SetMark() for the
+ // generic version) to the given day
+
+ virtual void Mark(size_t day, bool mark) = 0;
+
+ virtual wxCalendarDateAttr *GetAttr(size_t WXUNUSED(day)) const
+ { return NULL; }
+ virtual void SetAttr(size_t WXUNUSED(day), wxCalendarDateAttr *attr)
+ { delete attr; }
+ virtual void ResetAttr(size_t WXUNUSED(day)) { }
+
+
+ // holidays support
+ //
+ // currently only the generic version implements all functions in this
+ // section; wxMSW implements simple support for holidays (they can be
+ // just enabled or disabled) and wxGTK doesn't support them at all
+
+ // equivalent to changing wxCAL_SHOW_HOLIDAYS flag but should be called
+ // instead of just changing it
+ virtual void EnableHolidayDisplay(bool display = true);
+
+ // set/get the colours to use for holidays (if they're enabled)
+ virtual void SetHolidayColours(const wxColour& WXUNUSED(colFg),
+ const wxColour& WXUNUSED(colBg)) { }
+
+ virtual const wxColour& GetHolidayColourFg() const { return wxNullColour; }
+ virtual const wxColour& GetHolidayColourBg() const { return wxNullColour; }
+
+ // mark the given day of the current month as being a holiday
+ virtual void SetHoliday(size_t WXUNUSED(day)) { }
+
+
+ // customizing the colours of the controls
+ //
+ // most of the methods in this section are only implemented by the native
+ // version of the control and do nothing in the native ones
+
+ // set/get the colours to use for the display of the week day names at the
+ // top of the controls
+ virtual void SetHeaderColours(const wxColour& WXUNUSED(colFg),
+ const wxColour& WXUNUSED(colBg)) { }
+
+ virtual const wxColour& GetHeaderColourFg() const { return wxNullColour; }
+ virtual const wxColour& GetHeaderColourBg() const { return wxNullColour; }
+
+ // set/get the colours used for the currently selected date
+ virtual void SetHighlightColours(const wxColour& WXUNUSED(colFg),
+ const wxColour& WXUNUSED(colBg)) { }
+
+ virtual const wxColour& GetHighlightColourFg() const { return wxNullColour; }
+ virtual const wxColour& GetHighlightColourBg() const { return wxNullColour; }
+
+
+ // implementation only from now on
+
+ // generate the given calendar event, return true if it was processed
+ //
+ // NB: this is public because it's used from GTK+ callbacks
+ bool GenerateEvent(wxEventType type)
+ {
+ wxCalendarEvent event(this, GetDate(), type);
+ return HandleWindowEvent(event);
+ }
+
+protected:
+ // generate all the events for the selection change from dateOld to current
+ // date: SEL_CHANGED, PAGE_CHANGED if necessary and also one of (deprecated)
+ // YEAR/MONTH/DAY_CHANGED ones
+ //
+ // returns true if page changed event was generated, false if the new date
+ // is still in the same month as before
+ bool GenerateAllChangeEvents(const wxDateTime& dateOld);
+
+ // call SetHoliday() for all holidays in the current month
+ //
+ // should be called on month change, does nothing if wxCAL_SHOW_HOLIDAYS is
+ // not set and returns false in this case, true if we do show them
+ bool SetHolidayAttrs();
+
+ // called by SetHolidayAttrs() to forget the previously set holidays
+ virtual void ResetHolidayAttrs() { }
+
+ // called by EnableHolidayDisplay()
+ virtual void RefreshHolidays() { }
+};
+
projects / wxWidgets.git / blobdiff