samples/calendar/calendar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        calendar.cpp
   3 // Purpose:     wxCalendarCtrl sample
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     02.01.00
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(__APPLE__)
  21     #pragma implementation "calendar.cpp"
  22     #pragma interface "calendar.cpp"
  23 #endif
  24
  25 // For compilers that support precompilation, includes "wx/wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 // for all others, include the necessary headers
  33 #ifndef WX_PRECOMP
  34     #include "wx/app.h"
  35     #include "wx/log.h"
  36     #include "wx/frame.h"
  37     #include "wx/panel.h"
  38     #include "wx/stattext.h"
  39     #include "wx/menu.h"
  40     #include "wx/layout.h"
  41     #include "wx/msgdlg.h"
  42 #endif
  43
  44 #include "wx/sizer.h"
  45 #include "wx/calctrl.h"
  46
  47 // ----------------------------------------------------------------------------
  48 // private classes
  49 // ----------------------------------------------------------------------------
  50
  51 // Define a new application type, each program should derive a class from wxApp
  52 class MyApp : public wxApp
  53 {
  54 public:
  55     // override base class virtuals
  56     // ----------------------------
  57
  58     // this one is called on application startup and is a good place for the app
  59     // initialization (doing it here and not in the ctor allows to have an error
  60     // return: if OnInit() returns false, the application terminates)
  61     virtual bool OnInit();
  62 };
  63
  64 class MyPanel : public wxPanel
  65 {
  66 public:
  67     MyPanel(wxFrame *frame);
  68
  69     void OnCalendar(wxCalendarEvent& event);
  70     void OnCalendarWeekDayClick(wxCalendarEvent& event);
  71     void OnCalendarChange(wxCalendarEvent& event);
  72     void OnCalMonthChange(wxCalendarEvent& event);
  73     void OnCalYearChange(wxCalendarEvent& event);
  74
  75     wxCalendarCtrl *GetCal() const { return m_calendar; }
  76
  77     // turn on/off the specified style bit on the calendar control
  78     void ToggleCalStyle(bool on, int style);
  79
  80     void HighlightSpecial(bool on);
  81
  82     void SetDate();
  83     void Today();
  84
  85 private:
  86     wxCalendarCtrl *m_calendar;
  87     wxStaticText   *m_date;
  88
  89     DECLARE_EVENT_TABLE()
  90 };
  91
  92 // Define a new frame type: this is going to be our main frame
  93 class MyFrame : public wxFrame
  94 {
  95 public:
  96     // ctor(s)
  97     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  98
  99     // event handlers (these functions should _not_ be virtual)
 100     void OnQuit(wxCommandEvent& event);
 101     void OnAbout(wxCommandEvent& event);
 102
 103     void OnCalMonday(wxCommandEvent& event);
 104     void OnCalHolidays(wxCommandEvent& event);
 105     void OnCalSpecial(wxCommandEvent& event);
 106
 107     void OnCalAllowMonth(wxCommandEvent& event);
 108     void OnCalAllowYear(wxCommandEvent& event);
 109
 110     void OnCalSeqMonth(wxCommandEvent& event);
 111     void OnCalShowSurroundingWeeks(wxCommandEvent& event);
 112
 113     void OnSetDate(wxCommandEvent& event);
 114     void OnToday(wxCommandEvent& event);
 115
 116     void OnAllowYearUpdate(wxUpdateUIEvent& event);
 117
 118 private:
 119     MyPanel *m_panel;
 120
 121     // any class wishing to process wxWidgets events must use this macro
 122     DECLARE_EVENT_TABLE()
 123 };
 124
 125 // ----------------------------------------------------------------------------
 126 // constants
 127 // ----------------------------------------------------------------------------
 128
 129 // IDs for the controls and the menu commands
 130 enum
 131 {
 132     // menu items
 133     Calendar_File_About = 100,
 134     Calendar_File_Quit,
 135     Calendar_Cal_Monday = 200,
 136     Calendar_Cal_Holidays,
 137     Calendar_Cal_Special,
 138     Calendar_Cal_Month,
 139     Calendar_Cal_Year,
 140     Calendar_Cal_SeqMonth,
 141     Calendar_Cal_SurroundWeeks,
 142     Calendar_Cal_SetDate,
 143     Calendar_Cal_Today,
 144     Calendar_CalCtrl = 1000
 145 };
 146
 147 // ----------------------------------------------------------------------------
 148 // event tables and other macros for wxWidgets
 149 // ----------------------------------------------------------------------------
 150
 151 // the event tables connect the wxWidgets events with the functions (event
 152 // handlers) which process them. It can be also done at run-time, but for the
 153 // simple menu events like this the static method is much simpler.
 154 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 155     EVT_MENU(Calendar_File_Quit,  MyFrame::OnQuit)
 156     EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
 157
 158     EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
 159     EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
 160     EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
 161
 162     EVT_MENU(Calendar_Cal_Month, MyFrame::OnCalAllowMonth)
 163     EVT_MENU(Calendar_Cal_Year, MyFrame::OnCalAllowYear)
 164
 165     EVT_MENU(Calendar_Cal_SeqMonth, MyFrame::OnCalSeqMonth)
 166     EVT_MENU(Calendar_Cal_SurroundWeeks, MyFrame::OnCalShowSurroundingWeeks)
 167
 168     EVT_MENU(Calendar_Cal_SetDate, MyFrame::OnSetDate)
 169     EVT_MENU(Calendar_Cal_Today, MyFrame::OnToday)
 170
 171
 172     EVT_UPDATE_UI(Calendar_Cal_Year, MyFrame::OnAllowYearUpdate)
 173 END_EVENT_TABLE()
 174
 175 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 176     EVT_CALENDAR            (Calendar_CalCtrl,   MyPanel::OnCalendar)
 177     EVT_CALENDAR_MONTH      (Calendar_CalCtrl,   MyPanel::OnCalMonthChange)
 178     EVT_CALENDAR_YEAR       (Calendar_CalCtrl,   MyPanel::OnCalYearChange)
 179     EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl,   MyPanel::OnCalendarChange)
 180     EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
 181 END_EVENT_TABLE()
 182
 183 // Create a new application object: this macro will allow wxWidgets to create
 184 // the application object during program execution (it's better than using a
 185 // static object for many reasons) and also declares the accessor function
 186 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 187 // not wxApp)
 188 IMPLEMENT_APP(MyApp)
 189
 190 // ============================================================================
 191 // implementation
 192 // ============================================================================
 193
 194 // ----------------------------------------------------------------------------
 195 // the application class
 196 // ----------------------------------------------------------------------------
 197
 198 // `Main program' equivalent: the program execution "starts" here
 199 bool MyApp::OnInit()
 200 {
 201     // Create the main application window
 202     MyFrame *frame = new MyFrame(_T("Calendar wxWidgets sample"),
 203                                  wxPoint(50, 50), wxSize(450, 340));
 204
 205     frame->Show(true);
 206
 207     // success: wxApp::OnRun() will be called which will enter the main message
 208     // loop and the application will run. If we returned false here, the
 209     // application would exit immediately.
 210     return true;
 211 }
 212
 213 // ----------------------------------------------------------------------------
 214 // main frame
 215 // ----------------------------------------------------------------------------
 216
 217 // frame constructor
 218 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 219        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 220 {
 221     // create a menu bar
 222     wxMenu *menuFile = new wxMenu;
 223
 224     menuFile->Append(Calendar_File_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 225     menuFile->AppendSeparator();
 226     menuFile->Append(Calendar_File_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 227
 228     wxMenu *menuCal = new wxMenu;
 229     menuCal->Append(Calendar_Cal_Monday,
 230                     _T("Monday &first weekday\tCtrl-F"),
 231                     _T("Toggle between Mon and Sun as the first week day"),
 232                     true);
 233     menuCal->Append(Calendar_Cal_Holidays, _T("Show &holidays\tCtrl-H"),
 234                     _T("Toggle highlighting the holidays"),
 235                     true);
 236     menuCal->Append(Calendar_Cal_Special, _T("Highlight &special dates\tCtrl-S"),
 237                     _T("Test custom highlighting"),
 238                     true);
 239     menuCal->Append(Calendar_Cal_SurroundWeeks,
 240                     _T("Show s&urrounding weeks\tCtrl-W"),
 241                     _T("Show the neighbouring weeks in the prev/next month"),
 242                     true);
 243     menuCal->AppendSeparator();
 244     menuCal->Append(Calendar_Cal_SeqMonth,
 245                     _T("To&ggle month selector style\tCtrl-G"),
 246                     _T("Use another style for the calendar controls"),
 247                     true);
 248     menuCal->Append(Calendar_Cal_Month, _T("&Month can be changed\tCtrl-M"),
 249                     _T("Allow changing the month in the calendar"),
 250                     true);
 251     menuCal->Append(Calendar_Cal_Year, _T("&Year can be changed\tCtrl-Y"),
 252                     _T("Allow changing the year in the calendar"),
 253                     true);
 254     menuCal->AppendSeparator();
 255     menuCal->Append(Calendar_Cal_SetDate, _T("SetDate()"), _T("Set date to 2005-12-24."));
 256     menuCal->Append(Calendar_Cal_Today, _T("Today()"), _T("Set the current date."));
 257
 258     // now append the freshly created menu to the menu bar...
 259     wxMenuBar *menuBar = new wxMenuBar;
 260     menuBar->Append(menuFile, _T("&File"));
 261     menuBar->Append(menuCal, _T("&Calendar"));
 262
 263     menuBar->Check(Calendar_Cal_Monday, true);
 264     menuBar->Check(Calendar_Cal_Holidays, true);
 265     menuBar->Check(Calendar_Cal_Month, true);
 266     menuBar->Check(Calendar_Cal_Year, true);
 267
 268     // ... and attach this menu bar to the frame
 269     SetMenuBar(menuBar);
 270
 271     m_panel = new MyPanel(this);
 272
 273 #if wxUSE_STATUSBAR
 274     // create a status bar just for fun (by default with 1 pane only)
 275     CreateStatusBar(2);
 276     SetStatusText(_T("Welcome to wxWidgets!"));
 277 #endif // wxUSE_STATUSBAR
 278 }
 279
 280 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 281 {
 282     // true is to force the frame to close
 283     Close(true);
 284 }
 285
 286 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 287 {
 288     wxMessageBox(_T("wxCalendarCtrl sample\n© 2000 Vadim Zeitlin"),
 289                  _T("About Calendar"), wxOK | wxICON_INFORMATION, this);
 290 }
 291
 292 void MyFrame::OnCalMonday(wxCommandEvent& event)
 293 {
 294     bool enable = GetMenuBar()->IsChecked(event.GetId());
 295
 296     m_panel->ToggleCalStyle(enable, wxCAL_MONDAY_FIRST);
 297 }
 298
 299 void MyFrame::OnCalHolidays(wxCommandEvent& event)
 300 {
 301     bool enable = GetMenuBar()->IsChecked(event.GetId());
 302
 303     m_panel->GetCal()->EnableHolidayDisplay(enable);
 304 }
 305
 306 void MyFrame::OnCalSpecial(wxCommandEvent& event)
 307 {
 308     m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetId()));
 309 }
 310
 311 void MyFrame::OnCalAllowMonth(wxCommandEvent& event)
 312 {
 313     bool allow = GetMenuBar()->IsChecked(event.GetId());
 314
 315     m_panel->GetCal()->EnableMonthChange(allow);
 316 }
 317
 318 void MyFrame::OnCalAllowYear(wxCommandEvent& event)
 319 {
 320     bool allow = GetMenuBar()->IsChecked(event.GetId());
 321
 322     m_panel->GetCal()->EnableYearChange(allow);
 323 }
 324
 325 void MyFrame::OnCalSeqMonth(wxCommandEvent& event)
 326 {
 327     bool allow = GetMenuBar()->IsChecked(event.GetId());
 328
 329     m_panel->ToggleCalStyle(allow, wxCAL_SEQUENTIAL_MONTH_SELECTION);
 330 }
 331
 332 void MyFrame::OnCalShowSurroundingWeeks(wxCommandEvent& event)
 333 {
 334     bool allow = GetMenuBar()->IsChecked(event.GetId());
 335
 336     m_panel->ToggleCalStyle(allow, wxCAL_SHOW_SURROUNDING_WEEKS);
 337 }
 338
 339 void MyFrame::OnAllowYearUpdate(wxUpdateUIEvent& event)
 340 {
 341     event.Enable( GetMenuBar()->IsChecked(Calendar_Cal_Month));
 342 }
 343
 344 void MyFrame::OnSetDate(wxCommandEvent &WXUNUSED(event))
 345 {
 346     m_panel->SetDate();
 347 }
 348
 349 void MyFrame::OnToday(wxCommandEvent &WXUNUSED(event))
 350 {
 351     m_panel->Today();
 352 }
 353
 354 // ----------------------------------------------------------------------------
 355 // MyPanel
 356 // ----------------------------------------------------------------------------
 357
 358 MyPanel::MyPanel(wxFrame *frame)
 359        : wxPanel(frame, wxID_ANY)
 360 {
 361     wxString date;
 362     date.Printf(wxT("Selected date: %s"),
 363                 wxDateTime::Today().FormatISODate().c_str());
 364     m_date = new wxStaticText(this, wxID_ANY, date);
 365     m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
 366                                     wxDefaultDateTime,
 367                                     wxDefaultPosition,
 368                                     wxDefaultSize,
 369                                     wxCAL_MONDAY_FIRST |
 370                                     wxCAL_SHOW_HOLIDAYS |
 371                                     wxRAISED_BORDER);
 372
 373     wxBoxSizer *m_sizer = new wxBoxSizer( wxHORIZONTAL );
 374
 375     m_sizer->Add(m_date, 0, wxALIGN_CENTER | wxALL, 10 );
 376     m_sizer->Add(m_calendar, 0, wxALIGN_CENTER | wxALIGN_LEFT);
 377
 378     SetSizer( m_sizer );
 379     m_sizer->SetSizeHints( this );
 380 }
 381
 382 void MyPanel::OnCalendar(wxCalendarEvent& event)
 383 {
 384     wxLogMessage(wxT("Selected %s from calendar"),
 385                  event.GetDate().FormatISODate().c_str());
 386 }
 387
 388 void MyPanel::OnCalendarChange(wxCalendarEvent& event)
 389 {
 390     wxString s;
 391     s.Printf(wxT("Selected date: %s"), event.GetDate().FormatISODate().c_str());
 392
 393     m_date->SetLabel(s);
 394 }
 395
 396 void MyPanel::OnCalMonthChange(wxCalendarEvent& WXUNUSED(event))
 397 {
 398     wxLogStatus(wxT("Calendar month changed"));
 399 }
 400
 401 void MyPanel::OnCalYearChange(wxCalendarEvent& WXUNUSED(event))
 402 {
 403     wxLogStatus(wxT("Calendar year changed"));
 404 }
 405
 406 void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
 407 {
 408     wxLogMessage(wxT("Clicked on %s"),
 409                  wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
 410 }
 411
 412 void MyPanel::ToggleCalStyle(bool on, int flag)
 413 {
 414     long style = m_calendar->GetWindowStyle();
 415     if ( on )
 416         style |= flag;
 417     else
 418         style &= ~flag;
 419
 420     m_calendar->SetWindowStyle(style);
 421
 422     m_calendar->Refresh();
 423 }
 424
 425 void MyPanel::HighlightSpecial(bool on)
 426 {
 427     if ( on )
 428     {
 429         wxCalendarDateAttr
 430             *attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
 431             *attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
 432             *attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
 433
 434         m_calendar->SetAttr(17, attrRedCircle);
 435         m_calendar->SetAttr(29, attrGreenSquare);
 436         m_calendar->SetAttr(13, attrHeaderLike);
 437     }
 438     else // off
 439     {
 440         m_calendar->ResetAttr(17);
 441         m_calendar->ResetAttr(29);
 442         m_calendar->ResetAttr(13);
 443     }
 444
 445     m_calendar->Refresh();
 446 }
 447
 448 void MyPanel::SetDate()
 449 {
 450     wxDateTime date(24, wxDateTime::Dec, 2005, 23, 59, 59);
 451     m_calendar->SetDate(date);
 452 }
 453
 454 void MyPanel::Today()
 455 {
 456     m_calendar->SetDate(wxDateTime::Today());
 457 }