325 lines
11 KiB
C++
325 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: generic/calctrl.h
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// Purpose: generic implementation of date-picker control
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 29.12.99
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// RCS-ID: $Id: calctrl.h 49804 2007-11-10 01:09:42Z VZ $
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// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GENERIC_CALCTRL_H
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#define _WX_GENERIC_CALCTRL_H
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#include "wx/control.h" // the base class
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#include "wx/dcclient.h" // for wxPaintDC
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class WXDLLIMPEXP_FWD_CORE wxComboBox;
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class WXDLLIMPEXP_FWD_CORE wxStaticText;
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class WXDLLIMPEXP_FWD_CORE wxSpinCtrl;
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#define wxCalendarNameStr _T("CalendarCtrl")
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// ----------------------------------------------------------------------------
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// wxCalendarCtrl: a control allowing the user to pick a date interactively
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_ADV wxCalendarCtrl : public wxControl
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{
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public:
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// construction
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wxCalendarCtrl() { Init(); }
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wxCalendarCtrl(wxWindow *parent,
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wxWindowID id,
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const wxDateTime& date = wxDefaultDateTime,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxCAL_SHOW_HOLIDAYS | wxWANTS_CHARS,
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const wxString& name = wxCalendarNameStr);
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxDateTime& date = wxDefaultDateTime,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxCAL_SHOW_HOLIDAYS | wxWANTS_CHARS,
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const wxString& name = wxCalendarNameStr);
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virtual ~wxCalendarCtrl();
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virtual bool Destroy();
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// set/get the current date
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// ------------------------
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bool SetDate(const wxDateTime& date); // we need to be able to control if the event should be sent in SetDateAndNotify(...)
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const wxDateTime& GetDate() const { return m_date; }
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// set/get the range in which selection can occur
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// ---------------------------------------------
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bool SetLowerDateLimit(const wxDateTime& date = wxDefaultDateTime);
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const wxDateTime& GetLowerDateLimit() const { return m_lowdate; }
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bool SetUpperDateLimit(const wxDateTime& date = wxDefaultDateTime);
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const wxDateTime& GetUpperDateLimit() const { return m_highdate; }
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bool SetDateRange(const wxDateTime& lowerdate = wxDefaultDateTime, const wxDateTime& upperdate = wxDefaultDateTime);
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// calendar mode
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// -------------
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// some calendar styles can't be changed after the control creation by
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// just using SetWindowStyle() and Refresh() and the functions below
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// should be used instead for them
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// corresponds to wxCAL_NO_YEAR_CHANGE bit
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void EnableYearChange(bool enable = true);
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// corresponds to wxCAL_NO_MONTH_CHANGE bit
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void EnableMonthChange(bool enable = true);
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// corresponds to wxCAL_SHOW_HOLIDAYS bit
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void EnableHolidayDisplay(bool display = true);
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// customization
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// -------------
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// header colours are used for painting the weekdays at the top
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void SetHeaderColours(const wxColour& colFg, const wxColour& colBg)
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{
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m_colHeaderFg = colFg;
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m_colHeaderBg = colBg;
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}
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const wxColour& GetHeaderColourFg() const { return m_colHeaderFg; }
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const wxColour& GetHeaderColourBg() const { return m_colHeaderBg; }
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// highlight colour is used for the currently selected date
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void SetHighlightColours(const wxColour& colFg, const wxColour& colBg)
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{
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m_colHighlightFg = colFg;
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m_colHighlightBg = colBg;
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}
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const wxColour& GetHighlightColourFg() const { return m_colHighlightFg; }
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const wxColour& GetHighlightColourBg() const { return m_colHighlightBg; }
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// holiday colour is used for the holidays (if style & wxCAL_SHOW_HOLIDAYS)
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void SetHolidayColours(const wxColour& colFg, const wxColour& colBg)
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{
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m_colHolidayFg = colFg;
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m_colHolidayBg = colBg;
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}
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const wxColour& GetHolidayColourFg() const { return m_colHolidayFg; }
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const wxColour& GetHolidayColourBg() const { return m_colHolidayBg; }
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// an item without custom attributes is drawn with the default colours and
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// font and without border, setting custom attributes allows to modify this
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//
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// the day parameter should be in 1..31 range, for days 29, 30, 31 the
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// corresponding attribute is just unused if there is no such day in the
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// current month
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wxCalendarDateAttr *GetAttr(size_t day) const
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{
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wxCHECK_MSG( day > 0 && day < 32, NULL, _T("invalid day") );
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return m_attrs[day - 1];
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}
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void SetAttr(size_t day, wxCalendarDateAttr *attr)
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{
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wxCHECK_RET( day > 0 && day < 32, _T("invalid day") );
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delete m_attrs[day - 1];
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m_attrs[day - 1] = attr;
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}
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void SetHoliday(size_t day);
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void ResetAttr(size_t day) { SetAttr(day, (wxCalendarDateAttr *)NULL); }
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// returns one of wxCAL_HITTEST_XXX constants and fills either date or wd
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// with the corresponding value (none for NOWHERE, the date for DAY and wd
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// for HEADER)
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wxCalendarHitTestResult HitTest(const wxPoint& pos,
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wxDateTime *date = NULL,
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wxDateTime::WeekDay *wd = NULL);
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// implementation only from now on
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// -------------------------------
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// forward these functions to all subcontrols
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virtual bool Enable(bool enable = true);
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virtual bool Show(bool show = true);
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virtual void SetWindowStyleFlag(long style);
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virtual wxVisualAttributes GetDefaultAttributes() const
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{ return GetClassDefaultAttributes(GetWindowVariant()); }
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static wxVisualAttributes
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GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
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void OnSysColourChanged(wxSysColourChangedEvent& event);
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protected:
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// override some base class virtuals
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virtual wxSize DoGetBestSize() const;
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virtual void DoGetPosition(int *x, int *y) const;
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virtual void DoGetSize(int *width, int *height) const;
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virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
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virtual void DoMoveWindow(int x, int y, int width, int height);
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private:
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// common part of all ctors
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void Init();
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// startup colours and reinitialization after colour changes in system
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void InitColours();
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// event handlers
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void OnPaint(wxPaintEvent& event);
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void OnClick(wxMouseEvent& event);
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void OnDClick(wxMouseEvent& event);
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void OnChar(wxKeyEvent& event);
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void OnMonthChange(wxCommandEvent& event);
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void OnYearChange(wxCommandEvent& event);
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void OnYearTextChange(wxCommandEvent& event);
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// (re)calc m_widthCol and m_heightRow
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void RecalcGeometry();
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// set the date and send the notification
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void SetDateAndNotify(const wxDateTime& date);
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// get the week (row, in range 1..6) for the given date
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size_t GetWeek(const wxDateTime& date) const;
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// get the date from which we start drawing days
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wxDateTime GetStartDate() const;
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// is this date shown?
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bool IsDateShown(const wxDateTime& date) const;
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// is this date in the given range?
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bool IsDateInRange(const wxDateTime& date) const;
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// range helpers
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bool ChangeYear(wxDateTime* target) const;
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bool ChangeMonth(wxDateTime* target) const;
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// redraw the given date
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void RefreshDate(const wxDateTime& date);
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// change the date inside the same month/year
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void ChangeDay(const wxDateTime& date);
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// set the attributes for the holidays if needed
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void SetHolidayAttrs();
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// reset all holidays
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void ResetHolidayAttrs();
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// generate the given calendar event(s)
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void GenerateEvent(wxEventType type)
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{
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wxCalendarEvent event(this, type);
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(void)GetEventHandler()->ProcessEvent(event);
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}
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void GenerateEvents(wxEventType type1, wxEventType type2)
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{
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GenerateEvent(type1);
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GenerateEvent(type2);
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}
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// do we allow changing the month/year?
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bool AllowMonthChange() const
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{
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return (GetWindowStyle() & wxCAL_NO_MONTH_CHANGE)
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!= wxCAL_NO_MONTH_CHANGE;
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}
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bool AllowYearChange() const
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{
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return !(GetWindowStyle() & wxCAL_NO_YEAR_CHANGE);
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}
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// show the correct controls
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void ShowCurrentControls();
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// create the month combo and year spin controls
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void CreateMonthComboBox();
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void CreateYearSpinCtrl();
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public:
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// get the currently shown control for month/year
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wxControl *GetMonthControl() const;
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wxControl *GetYearControl() const;
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private:
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// OnPaint helper-methods
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// Highlight the [fromdate : todate] range using pen and brush
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void HighlightRange(wxPaintDC* dc, const wxDateTime& fromdate, const wxDateTime& todate, const wxPen* pen, const wxBrush* brush);
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// Get the "coordinates" for the date relative to the month currently displayed.
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// using (day, week): upper left coord is (1, 1), lower right coord is (7, 6)
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// if the date isn't visible (-1, -1) is put in (day, week) and false is returned
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bool GetDateCoord(const wxDateTime& date, int *day, int *week) const;
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// Set the flag for SetDate(): otherwise it would overwrite the year
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// typed in by the user
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void SetUserChangedYear() { m_userChangedYear = true; }
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// the subcontrols
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wxStaticText *m_staticMonth;
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wxComboBox *m_comboMonth;
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wxStaticText *m_staticYear;
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wxSpinCtrl *m_spinYear;
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// the current selection
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wxDateTime m_date;
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// the date-range
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wxDateTime m_lowdate;
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wxDateTime m_highdate;
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// default attributes
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wxColour m_colHighlightFg,
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m_colHighlightBg,
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m_colHolidayFg,
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m_colHolidayBg,
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m_colHeaderFg,
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m_colHeaderBg,
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m_colBackground,
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m_colSorrounding;
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// the attributes for each of the month days
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wxCalendarDateAttr *m_attrs[31];
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// the width and height of one column/row in the calendar
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wxCoord m_widthCol,
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m_heightRow,
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m_rowOffset;
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wxRect m_leftArrowRect,
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m_rightArrowRect;
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// the week day names
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wxString m_weekdays[7];
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// true if SetDate() is being called as the result of changing the year in
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// the year control
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bool m_userChangedYear;
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DECLARE_DYNAMIC_CLASS(wxCalendarCtrl)
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DECLARE_EVENT_TABLE()
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DECLARE_NO_COPY_CLASS(wxCalendarCtrl)
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};
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#endif // _WX_GENERIC_CALCTRL_H
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