wxWidgets/samples/calendar/calendar.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: calendar.cpp
// Purpose: wxCalendarCtrl sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 02.01.00
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "calendar.cpp"
#pragma interface "calendar.cpp"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/frame.h"
#include "wx/panel.h"
#include "wx/stattext.h"
#include "wx/menu.h"
#include "wx/layout.h"
#include "wx/msgdlg.h"
#endif
#include "wx/calctrl.h"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
class MyPanel : public wxPanel
{
public:
MyPanel(wxFrame *frame);
void OnCalendar(wxCalendarEvent& event);
void OnCalendarWeekDayClick(wxCalendarEvent& event);
void OnCalendarChange(wxCalendarEvent& event);
void OnCalMonthChange(wxCalendarEvent& event);
void OnCalYearChange(wxCalendarEvent& event);
wxCalendarCtrl *GetCal() const { return m_calendar; }
// turn on/off the specified style bit on the calendar control
void ToggleCalStyle(bool on, int style);
void HighlightSpecial(bool on);
private:
wxCalendarCtrl *m_calendar;
wxStaticText *m_date;
DECLARE_EVENT_TABLE()
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnCalMonday(wxCommandEvent& event);
void OnCalHolidays(wxCommandEvent& event);
void OnCalSpecial(wxCommandEvent& event);
void OnCalAllowMonth(wxCommandEvent& event);
void OnCalAllowYear(wxCommandEvent& event);
void OnCalSeqMonth(wxCommandEvent& event);
void OnCalShowSurroundingWeeks(wxCommandEvent& event);
void OnAllowYearUpdate(wxUpdateUIEvent& event);
private:
MyPanel *m_panel;
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
Calendar_File_About = 100,
Calendar_File_Quit,
Calendar_Cal_Monday = 200,
Calendar_Cal_Holidays,
Calendar_Cal_Special,
Calendar_Cal_Month,
Calendar_Cal_Year,
Calendar_Cal_SeqMonth,
Calendar_Cal_SurroundWeeks,
Calendar_CalCtrl = 1000,
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------
// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Calendar_File_Quit, MyFrame::OnQuit)
EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
EVT_MENU(Calendar_Cal_Month, MyFrame::OnCalAllowMonth)
EVT_MENU(Calendar_Cal_Year, MyFrame::OnCalAllowYear)
EVT_MENU(Calendar_Cal_SeqMonth, MyFrame::OnCalSeqMonth)
EVT_MENU(Calendar_Cal_SurroundWeeks, MyFrame::OnCalShowSurroundingWeeks)
EVT_UPDATE_UI(Calendar_Cal_Year, MyFrame::OnAllowYearUpdate)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyPanel, wxPanel)
EVT_CALENDAR (Calendar_CalCtrl, MyPanel::OnCalendar)
EVT_CALENDAR_MONTH (Calendar_CalCtrl, MyPanel::OnCalMonthChange)
EVT_CALENDAR_YEAR (Calendar_CalCtrl, MyPanel::OnCalYearChange)
EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl, MyPanel::OnCalendarChange)
EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
// Create the main application window
MyFrame *frame = new MyFrame("Calendar wxWindows sample",
wxPoint(50, 50), wxSize(450, 340));
frame->Show(TRUE);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned FALSE here, the
// application would exit immediately.
return TRUE;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(Calendar_File_About, "&About...\tCtrl-A", "Show about dialog");
menuFile->AppendSeparator();
menuFile->Append(Calendar_File_Quit, "E&xit\tAlt-X", "Quit this program");
wxMenu *menuCal = new wxMenu;
menuCal->Append(Calendar_Cal_Monday,
"Monday &first weekday\tCtrl-F",
"Toggle between Mon and Sun as the first week day",
TRUE);
menuCal->Append(Calendar_Cal_Holidays, "Show &holidays\tCtrl-H",
"Toggle highlighting the holidays",
TRUE);
menuCal->Append(Calendar_Cal_Special, "Highlight &special dates\tCtrl-S",
"Test custom highlighting",
TRUE);
menuCal->Append(Calendar_Cal_SurroundWeeks,
"Show s&urrounding weeks\tCtrl-W",
"Show the neighbouring weeks in the prev/next month",
TRUE);
menuCal->AppendSeparator();
menuCal->Append(Calendar_Cal_SeqMonth,
"To&ggle month selector style\tCtrl-G",
"Use another style for the calendar controls",
TRUE);
menuCal->Append(Calendar_Cal_Month, "&Month can be changed\tCtrl-M",
"Allow changing the month in the calendar",
TRUE);
menuCal->Append(Calendar_Cal_Year, "&Year can be changed\tCtrl-Y",
"Allow changing the year in the calendar",
TRUE);
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, "&File");
menuBar->Append(menuCal, "&Calendar");
menuBar->Check(Calendar_Cal_Monday, TRUE);
menuBar->Check(Calendar_Cal_Holidays, TRUE);
menuBar->Check(Calendar_Cal_Month, TRUE);
menuBar->Check(Calendar_Cal_Year, TRUE);
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
m_panel = new MyPanel(this);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText("Welcome to wxWindows!");
#endif // wxUSE_STATUSBAR
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("wxCalendarCtrl sample\n<EFBFBD> 2000 Vadim Zeitlin"),
_T("About Calendar"), wxOK | wxICON_INFORMATION, this);
}
void MyFrame::OnCalMonday(wxCommandEvent& event)
{
bool enable = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(enable, wxCAL_MONDAY_FIRST);
}
void MyFrame::OnCalHolidays(wxCommandEvent& event)
{
bool enable = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableHolidayDisplay(enable);
}
void MyFrame::OnCalSpecial(wxCommandEvent& event)
{
m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetId()));
}
void MyFrame::OnCalAllowMonth(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableMonthChange(allow);
}
void MyFrame::OnCalAllowYear(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->GetCal()->EnableYearChange(allow);
}
void MyFrame::OnCalSeqMonth(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(allow, wxCAL_SEQUENTIAL_MONTH_SELECTION);
}
void MyFrame::OnCalShowSurroundingWeeks(wxCommandEvent& event)
{
bool allow = GetMenuBar()->IsChecked(event.GetId());
m_panel->ToggleCalStyle(allow, wxCAL_SHOW_SURROUNDING_WEEKS);
}
void MyFrame::OnAllowYearUpdate(wxUpdateUIEvent& event)
{
event.Enable( GetMenuBar()->IsChecked(Calendar_Cal_Month));
}
// ----------------------------------------------------------------------------
// MyPanel
// ----------------------------------------------------------------------------
MyPanel::MyPanel(wxFrame *frame)
: wxPanel(frame, -1)
{
SetAutoLayout(TRUE);
wxString date;
date.Printf(wxT("Selected date: %s"),
wxDateTime::Today().FormatISODate().c_str());
m_date = new wxStaticText(this, -1, date);
m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
wxDefaultDateTime,
wxDefaultPosition,
wxDefaultSize,
wxCAL_MONDAY_FIRST |
wxCAL_SHOW_HOLIDAYS |
wxRAISED_BORDER);
wxLayoutConstraints *c = new wxLayoutConstraints;
c->left.SameAs(this, wxLeft, 10);
c->centreY.SameAs(this, wxCentreY);
c->height.AsIs();
c->width.AsIs();
m_date->SetConstraints(c);
c = new wxLayoutConstraints;
c->left.SameAs(m_date, wxRight, 20);
c->centreY.SameAs(this, wxCentreY);
c->height.AsIs();
c->width.AsIs();
m_calendar->SetConstraints(c);
}
void MyPanel::OnCalendar(wxCalendarEvent& event)
{
wxLogMessage(wxT("Selected %s from calendar"),
event.GetDate().FormatISODate().c_str());
}
void MyPanel::OnCalendarChange(wxCalendarEvent& event)
{
wxString s;
s.Printf(wxT("Selected date: %s"), event.GetDate().FormatISODate().c_str());
m_date->SetLabel(s);
}
void MyPanel::OnCalMonthChange(wxCalendarEvent& WXUNUSED(event))
{
wxLogStatus(wxT("Calendar month changed"));
}
void MyPanel::OnCalYearChange(wxCalendarEvent& WXUNUSED(event))
{
wxLogStatus(wxT("Calendar year changed"));
}
void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
{
wxLogMessage(wxT("Clicked on %s"),
wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
}
void MyPanel::ToggleCalStyle(bool on, int flag)
{
long style = m_calendar->GetWindowStyle();
if ( on )
style |= flag;
else
style &= ~flag;
m_calendar->SetWindowStyle(style);
m_calendar->Refresh();
}
void MyPanel::HighlightSpecial(bool on)
{
if ( on )
{
wxCalendarDateAttr
*attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
*attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
*attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
m_calendar->SetAttr(17, attrRedCircle);
m_calendar->SetAttr(29, attrGreenSquare);
m_calendar->SetAttr(13, attrHeaderLike);
}
else // off
{
m_calendar->ResetAttr(17);
m_calendar->ResetAttr(29);
m_calendar->ResetAttr(13);
}
m_calendar->Refresh();
}