0185cd0978
days in the header, double clicking git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5153 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
773 lines
20 KiB
C++
773 lines
20 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: generic/calctrl.cpp
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// Purpose: implementation fo the generic wxCalendarCtrl
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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: $Id$
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// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "calctrl.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/dcclient.h"
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#include "wx/settings.h"
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#include "wx/brush.h"
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#endif //WX_PRECOMP
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#include "wx/calctrl.h"
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#define DEBUG_PAINT 0
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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class wxMonthComboBox : public wxComboBox
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{
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public:
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wxMonthComboBox(wxCalendarCtrl *cal);
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void OnMonthChange(wxCommandEvent& event) { m_cal->OnMonthChange(event); }
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private:
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wxCalendarCtrl *m_cal;
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DECLARE_EVENT_TABLE()
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};
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class wxYearSpinCtrl : public wxSpinCtrl
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{
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public:
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wxYearSpinCtrl(wxCalendarCtrl *cal);
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void OnYearChange(wxSpinEvent& event) { m_cal->OnYearChange(event); }
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private:
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wxCalendarCtrl *m_cal;
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(wxCalendarCtrl, wxControl)
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EVT_PAINT(wxCalendarCtrl::OnPaint)
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EVT_CHAR(wxCalendarCtrl::OnChar)
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EVT_LEFT_DOWN(wxCalendarCtrl::OnClick)
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EVT_LEFT_DCLICK(wxCalendarCtrl::OnDClick)
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END_EVENT_TABLE()
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BEGIN_EVENT_TABLE(wxMonthComboBox, wxComboBox)
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EVT_COMBOBOX(-1, wxMonthComboBox::OnMonthChange)
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END_EVENT_TABLE()
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BEGIN_EVENT_TABLE(wxYearSpinCtrl, wxSpinCtrl)
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EVT_SPINCTRL(-1, wxYearSpinCtrl::OnYearChange)
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END_EVENT_TABLE()
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IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxMonthComboBox and wxYearSpinCtrl
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// ----------------------------------------------------------------------------
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wxMonthComboBox::wxMonthComboBox(wxCalendarCtrl *cal)
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: wxComboBox(cal->GetParent(), -1,
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wxEmptyString,
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wxDefaultPosition,
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wxDefaultSize,
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0, NULL,
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wxCB_READONLY)
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{
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m_cal = cal;
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wxDateTime::Month m;
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for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) )
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{
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Append(wxDateTime::GetMonthName(m));
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}
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SetSelection(m_cal->GetDate().GetMonth());
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}
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wxYearSpinCtrl::wxYearSpinCtrl(wxCalendarCtrl *cal)
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: wxSpinCtrl(cal->GetParent(), -1,
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cal->GetDate().Format(_T("%Y")),
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wxDefaultPosition,
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wxDefaultSize,
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wxSP_ARROW_KEYS,
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-4300, 10000, cal->GetDate().GetYear())
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{
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m_cal = cal;
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}
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// ----------------------------------------------------------------------------
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// wxCalendarCtrl
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// ----------------------------------------------------------------------------
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void wxCalendarCtrl::Init()
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{
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m_comboMonth = NULL;
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m_spinYear = NULL;
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m_widthCol =
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m_heightRow = 0;
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wxDateTime::WeekDay wd;
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for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
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{
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m_weekdays[wd] = wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr);
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}
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}
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bool wxCalendarCtrl::Create(wxWindow * WXUNUSED(parent),
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wxWindowID WXUNUSED(id),
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const wxDateTime& date,
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const wxPoint& WXUNUSED(pos),
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const wxSize& size,
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long style,
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const wxString& WXUNUSED(name))
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{
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SetWindowStyle(style | (wxRAISED_BORDER | wxWANTS_CHARS));
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m_date = date.IsValid() ? date : wxDateTime::Today();
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m_comboMonth = new wxMonthComboBox(this);
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m_spinYear = new wxYearSpinCtrl(this);
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wxSize sizeReal;
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if ( size.x == -1 || size.y == -1 )
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{
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sizeReal = DoGetBestSize();
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if ( size.x != -1 )
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sizeReal.x = size.x;
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if ( size.y != -1 )
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sizeReal.y = size.y;
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}
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else
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{
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sizeReal = size;
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}
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SetSize(sizeReal);
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SetBackgroundColour(*wxWHITE);
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SetFont(*wxSWISS_FONT);
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return TRUE;
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}
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wxCalendarCtrl::~wxCalendarCtrl()
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{
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#if 0
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m_comboMonth->PopEventHandler();
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m_spinYear->PopEventHandler();
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#endif // 0
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}
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// ----------------------------------------------------------------------------
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// forward wxWin functions to subcontrols
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// ----------------------------------------------------------------------------
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bool wxCalendarCtrl::Show(bool show)
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{
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if ( !wxControl::Show(show) )
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{
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return FALSE;
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}
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m_comboMonth->Show(show);
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m_spinYear->Show(show);
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return TRUE;
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}
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bool wxCalendarCtrl::Enable(bool enable)
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{
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if ( !wxControl::Enable(enable) )
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{
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return FALSE;
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}
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m_comboMonth->Enable(enable);
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m_spinYear->Enable(enable);
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// changing date
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// ----------------------------------------------------------------------------
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void wxCalendarCtrl::SetDate(const wxDateTime& date)
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{
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if ( m_date.GetMonth() == date.GetMonth() &&
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m_date.GetYear() == date.GetYear() )
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{
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// just change the day
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ChangeDay(date);
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}
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else
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{
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// change everything
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m_date = date;
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// update the controls
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m_comboMonth->SetSelection(m_date.GetMonth());
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m_spinYear->SetValue(m_date.Format(_T("%Y")));
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// update the calendar
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Refresh();
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}
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}
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void wxCalendarCtrl::ChangeDay(const wxDateTime& date)
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{
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if ( m_date != date )
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{
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// we need to refresh the row containing the old date and the one
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// containing the new one
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wxDateTime dateOld = m_date;
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m_date = date;
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RefreshDate(dateOld);
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// if the date is in the same row, it was already drawn correctly
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if ( GetWeek(m_date) != GetWeek(dateOld) )
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{
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RefreshDate(m_date);
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}
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}
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}
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void wxCalendarCtrl::SetDateAndNotify(const wxDateTime& date)
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{
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wxDateTime::Tm tm1 = m_date.GetTm(),
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tm2 = date.GetTm();
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wxEventType type;
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if ( tm1.year != tm2.year )
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type = wxEVT_CALENDAR_YEAR_CHANGED;
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else if ( tm1.mon != tm2.mon )
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type = wxEVT_CALENDAR_MONTH_CHANGED;
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else if ( tm1.mday != tm2.mday )
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type = wxEVT_CALENDAR_DAY_CHANGED;
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else
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return;
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SetDate(date);
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GenerateEvent(type);
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}
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// ----------------------------------------------------------------------------
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// date helpers
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// ----------------------------------------------------------------------------
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wxDateTime wxCalendarCtrl::GetStartDate() const
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{
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wxDateTime::Tm tm = m_date.GetTm();
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wxDateTime date = wxDateTime(1, tm.mon, tm.year);
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// rewind back
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date.SetToPrevWeekDay(GetWindowStyle() & wxCAL_MONDAY_FIRST
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? wxDateTime::Mon : wxDateTime::Sun);
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// be sure to do it or it might gain 1 hour if DST changed in between
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date.ResetTime();
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return date;
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}
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bool wxCalendarCtrl::IsDateShown(const wxDateTime& date) const
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{
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return date.GetMonth() == m_date.GetMonth();
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}
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size_t wxCalendarCtrl::GetWeek(const wxDateTime& date) const
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{
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return date.GetWeekOfMonth(GetWindowStyle() & wxCAL_MONDAY_FIRST
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? wxDateTime::Monday_First
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: wxDateTime::Sunday_First);
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}
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// ----------------------------------------------------------------------------
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// size management
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// ----------------------------------------------------------------------------
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// this is a composite control and it must arrange its parts each time its
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// size or position changes: the combobox and spinctrl are along the top of
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// the available area and the calendar takes up therest of the space
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// the constants used for the layout
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#define VERT_MARGIN 5 // distance between combo and calendar
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#define HORZ_MARGIN 15 // spin
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wxSize wxCalendarCtrl::DoGetBestSize() const
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{
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// calc the size of the calendar
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((wxCalendarCtrl *)this)->RecalcGeometry(); // const_cast
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wxCoord width = 7*m_widthCol,
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height = 7*m_heightRow;
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wxSize sizeCombo = m_comboMonth->GetBestSize(),
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sizeSpin = m_spinYear->GetBestSize();
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height += VERT_MARGIN + wxMax(sizeCombo.y, sizeSpin.y);
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return wxSize(width, height);
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}
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void wxCalendarCtrl::DoSetSize(int x, int y,
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int width, int height,
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int sizeFlags)
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{
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wxControl::DoSetSize(x, y, width, height, sizeFlags);
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}
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void wxCalendarCtrl::DoMoveWindow(int x, int y, int width, int height)
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{
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wxSize sizeCombo = m_comboMonth->GetSize();
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m_comboMonth->Move(x, y);
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int xDiff = sizeCombo.x + HORZ_MARGIN;
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m_spinYear->SetSize(x + xDiff, y, width - xDiff, sizeCombo.y);
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wxSize sizeSpin = m_spinYear->GetSize();
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int yDiff = wxMax(sizeSpin.y, sizeCombo.y) + VERT_MARGIN;
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wxControl::DoMoveWindow(x, y + yDiff, width, height - yDiff);
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}
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void wxCalendarCtrl::DoGetPosition(int *x, int *y) const
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{
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wxControl::DoGetPosition(x, y);
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// our real top corner is not in this position
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if ( y )
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{
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*y -= m_comboMonth->GetSize().y + VERT_MARGIN;
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}
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}
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void wxCalendarCtrl::DoGetSize(int *width, int *height) const
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{
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wxControl::DoGetSize(width, height);
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// our real height is bigger
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if ( height )
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{
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*height += m_comboMonth->GetSize().y + VERT_MARGIN;
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}
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}
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void wxCalendarCtrl::RecalcGeometry()
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{
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if ( m_widthCol != 0 )
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return;
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wxClientDC dc(this);
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dc.SetFont(m_font);
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// determine the column width (we assume that the weekday names are always
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// wider (in any language) than the numbers)
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m_widthCol = 0;
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wxDateTime::WeekDay wd;
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for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
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{
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wxCoord width;
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dc.GetTextExtent(m_weekdays[wd], &width, &m_heightRow);
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if ( width > m_widthCol )
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{
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m_widthCol = width;
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}
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}
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// leave some margins
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m_widthCol += 2;
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m_heightRow += 2;
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}
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// ----------------------------------------------------------------------------
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// drawing
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// ----------------------------------------------------------------------------
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void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
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{
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wxPaintDC dc(this);
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dc.SetFont(m_font);
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RecalcGeometry();
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#if DEBUG_PAINT
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printf("--- starting to paint, selection: %s, week %u\n",
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m_date.Format("%a %d-%m-%Y %H:%M:%S").c_str(),
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GetWeek(m_date));
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#endif
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// first draw the week days
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if ( IsExposed(0, 0, 7*m_widthCol, m_heightRow) )
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{
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#if DEBUG_PAINT
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puts("painting the header");
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#endif
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dc.SetTextForeground(*wxBLUE);
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dc.SetBrush(wxBrush(*wxLIGHT_GREY, wxSOLID));
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dc.SetBackgroundMode(wxTRANSPARENT);
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dc.SetPen(*wxLIGHT_GREY_PEN);
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dc.DrawRectangle(0, 0, 7*m_widthCol, m_heightRow);
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bool startOnMonday = (GetWindowStyle() & wxCAL_MONDAY_FIRST) != 0;
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for ( size_t wd = 0; wd < 7; wd++ )
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{
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size_t n;
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if ( startOnMonday )
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n = wd == 6 ? 0 : wd + 1;
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else
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n = wd;
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dc.DrawText(m_weekdays[n], wd*m_widthCol + 1, 0);
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}
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}
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// then the calendar itself
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dc.SetTextForeground(*wxBLACK);
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//dc.SetFont(*wxNORMAL_FONT);
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wxCoord y = m_heightRow;
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wxDateTime date = GetStartDate();
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#if DEBUG_PAINT
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printf("starting calendar from %s\n",
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date.Format("%a %d-%m-%Y %H:%M:%S").c_str());
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#endif
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dc.SetBackgroundMode(wxSOLID);
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for ( size_t nWeek = 1; nWeek <= 6; nWeek++, y += m_heightRow )
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{
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// if the update region doesn't intersect this row, don't paint it
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if ( !IsExposed(0, y, 7*m_widthCol, m_heightRow - 1) )
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{
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date += wxDateSpan::Week();
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continue;
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}
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#if DEBUG_PAINT
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printf("painting week %d at y = %d\n", nWeek, y);
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#endif
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for ( size_t wd = 0; wd < 7; wd++ )
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{
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if ( IsDateShown(date) )
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{
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// don't use wxDate::Format() which prepends 0s
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wxString day = wxString::Format(_T("%u"), date.GetDay());
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wxCoord width;
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dc.GetTextExtent(day, &width, (wxCoord *)NULL);
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bool isSel = m_date == date;
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if ( isSel )
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{
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dc.SetTextForeground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
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dc.SetTextBackground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT));
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}
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dc.DrawText(day, wd*m_widthCol + (m_widthCol - width) / 2, y);
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if ( isSel )
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{
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dc.SetTextForeground(m_foregroundColour);
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dc.SetTextBackground(m_backgroundColour);
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}
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}
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//else: just don't draw it
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date += wxDateSpan::Day();
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}
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}
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#if DEBUG_PAINT
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puts("+++ finished painting");
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#endif
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}
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void wxCalendarCtrl::RefreshDate(const wxDateTime& date)
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{
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RecalcGeometry();
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wxRect rect;
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// always refresh the whole row at once because our OnPaint() will draw
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// the whole row anyhow - and this allows the small optimisation in
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// OnClick() below to work
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rect.x = 0;
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rect.y = m_heightRow * GetWeek(date);
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rect.width = 7*m_widthCol;
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rect.height = m_heightRow;
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#if DEBUG_PAINT
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printf("*** refreshing week %d at (%d, %d)-(%d, %d)\n",
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GetWeek(date),
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rect.x, rect.y,
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rect.x + rect.width, rect.y + rect.height);
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#endif
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Refresh(TRUE, &rect);
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}
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// ----------------------------------------------------------------------------
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// mouse handling
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// ----------------------------------------------------------------------------
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void wxCalendarCtrl::OnDClick(wxMouseEvent& event)
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{
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if ( HitTest(event.GetPosition()) != wxCAL_HITTEST_DAY )
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{
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event.Skip();
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}
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else
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{
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GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED, FALSE);
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}
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}
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void wxCalendarCtrl::OnClick(wxMouseEvent& event)
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{
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wxDateTime date;
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wxDateTime::WeekDay wday;
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switch ( HitTest(event.GetPosition(), &date, &wday) )
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{
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case wxCAL_HITTEST_DAY:
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ChangeDay(date);
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GenerateEvent(wxEVT_CALENDAR_DAY_CHANGED);
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break;
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case wxCAL_HITTEST_HEADER:
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{
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wxCalendarEvent event(this, wxEVT_CALENDAR_WEEKDAY_CLICKED);
|
|
event.m_wday = wday;
|
|
(void)GetEventHandler()->ProcessEvent(event);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
wxFAIL_MSG(_T("unknown hittest code"));
|
|
// fall through
|
|
|
|
case wxCAL_HITTEST_NOWHERE:
|
|
event.Skip();
|
|
break;
|
|
}
|
|
}
|
|
|
|
wxCalendarHitTestResult wxCalendarCtrl::HitTest(const wxPoint& pos,
|
|
wxDateTime *date,
|
|
wxDateTime::WeekDay *wd)
|
|
{
|
|
RecalcGeometry();
|
|
|
|
int wday = pos.x / m_widthCol;
|
|
|
|
wxCoord y = pos.y;
|
|
if ( y < m_heightRow )
|
|
{
|
|
if ( wd )
|
|
{
|
|
if ( GetWindowStyle() & wxCAL_MONDAY_FIRST )
|
|
{
|
|
wday = wday == 6 ? 0 : wday + 1;
|
|
}
|
|
|
|
*wd = (wxDateTime::WeekDay)wday;
|
|
}
|
|
|
|
return wxCAL_HITTEST_HEADER;
|
|
}
|
|
|
|
int week = (y - m_heightRow) / m_heightRow;
|
|
if ( week >= 6 || wday >= 7 )
|
|
{
|
|
return wxCAL_HITTEST_NOWHERE;
|
|
}
|
|
|
|
wxDateTime dt = GetStartDate() + wxDateSpan::Days(7*week + wday);
|
|
|
|
if ( IsDateShown(dt) )
|
|
{
|
|
if ( date )
|
|
*date = dt;
|
|
|
|
return wxCAL_HITTEST_DAY;
|
|
}
|
|
else
|
|
{
|
|
return wxCAL_HITTEST_NOWHERE;
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// subcontrols events handling
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxCalendarCtrl::OnMonthChange(wxCommandEvent& event)
|
|
{
|
|
wxDateTime::Tm tm = m_date.GetTm();
|
|
|
|
wxDateTime::Month mon = (wxDateTime::Month)event.GetInt();
|
|
if ( tm.mday > wxDateTime::GetNumberOfDays(mon, tm.year) )
|
|
{
|
|
tm.mday = wxDateTime::GetNumberOfDays(mon, tm.year);
|
|
}
|
|
|
|
SetDate(wxDateTime(tm.mday, mon, tm.year));
|
|
|
|
GenerateEvent(wxEVT_CALENDAR_MONTH_CHANGED);
|
|
}
|
|
|
|
void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
|
|
{
|
|
wxDateTime::Tm tm = m_date.GetTm();
|
|
|
|
int year = (int)event.GetInt();
|
|
if ( tm.mday > wxDateTime::GetNumberOfDays(tm.mon, year) )
|
|
{
|
|
tm.mday = wxDateTime::GetNumberOfDays(tm.mon, year);
|
|
}
|
|
|
|
SetDate(wxDateTime(tm.mday, tm.mon, year));
|
|
|
|
GenerateEvent(wxEVT_CALENDAR_YEAR_CHANGED);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// keyboard interface
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxCalendarCtrl::OnChar(wxKeyEvent& event)
|
|
{
|
|
switch ( event.KeyCode() )
|
|
{
|
|
case _T('+'):
|
|
case WXK_ADD:
|
|
SetDateAndNotify(m_date + wxDateSpan::Year());
|
|
break;
|
|
|
|
case _T('-'):
|
|
case WXK_SUBTRACT:
|
|
SetDateAndNotify(m_date - wxDateSpan::Year());
|
|
break;
|
|
|
|
case WXK_PRIOR:
|
|
SetDateAndNotify(m_date - wxDateSpan::Month());
|
|
break;
|
|
|
|
case WXK_NEXT:
|
|
SetDateAndNotify(m_date + wxDateSpan::Month());
|
|
break;
|
|
|
|
case WXK_RIGHT:
|
|
if ( event.ControlDown() )
|
|
SetDateAndNotify(wxDateTime(m_date).SetToNextWeekDay(
|
|
GetWindowStyle() & wxCAL_MONDAY_FIRST
|
|
? wxDateTime::Sun : wxDateTime::Sat));
|
|
else
|
|
SetDateAndNotify(m_date + wxDateSpan::Day());
|
|
break;
|
|
|
|
case WXK_LEFT:
|
|
if ( event.ControlDown() )
|
|
SetDateAndNotify(wxDateTime(m_date).SetToPrevWeekDay(
|
|
GetWindowStyle() & wxCAL_MONDAY_FIRST
|
|
? wxDateTime::Mon : wxDateTime::Sun));
|
|
else
|
|
SetDateAndNotify(m_date - wxDateSpan::Day());
|
|
break;
|
|
|
|
case WXK_UP:
|
|
SetDateAndNotify(m_date - wxDateSpan::Week());
|
|
break;
|
|
|
|
case WXK_DOWN:
|
|
SetDateAndNotify(m_date + wxDateSpan::Week());
|
|
break;
|
|
|
|
case WXK_HOME:
|
|
if ( event.ControlDown() )
|
|
SetDateAndNotify(wxDateTime::Today());
|
|
else
|
|
SetDateAndNotify(wxDateTime(1, m_date.GetMonth(), m_date.GetYear()));
|
|
break;
|
|
|
|
case WXK_END:
|
|
SetDateAndNotify(wxDateTime(m_date).SetToLastMonthDay());
|
|
break;
|
|
|
|
default:
|
|
event.Skip();
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxCalendarEvent
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxCalendarCtrl::GenerateEvent(wxEventType type, bool selChanged)
|
|
{
|
|
// we're called for a change in some particular date field but we always
|
|
// also generate a generic "changed" event
|
|
wxCalendarEvent event(this, type);
|
|
(void)GetEventHandler()->ProcessEvent(event);
|
|
|
|
if ( selChanged )
|
|
{
|
|
wxCalendarEvent event2(this, wxEVT_CALENDAR_SEL_CHANGED);
|
|
|
|
(void)GetEventHandler()->ProcessEvent(event2);
|
|
}
|
|
}
|
|
|
|
void wxCalendarEvent::Init()
|
|
{
|
|
m_wday = wxDateTime::Inv_WeekDay;
|
|
}
|
|
|
|
wxCalendarEvent::wxCalendarEvent(wxCalendarCtrl *cal, wxEventType type)
|
|
: wxCommandEvent(type, cal->GetId())
|
|
{
|
|
m_date = cal->GetDate();
|
|
}
|