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/calctrl.h"
  45
  46 // ----------------------------------------------------------------------------
  47 // private classes
  48 // ----------------------------------------------------------------------------
  49
  50 // Define a new application type, each program should derive a class from wxApp
  51 class MyApp : public wxApp
  52 {
  53 public:
  54     // override base class virtuals
  55     // ----------------------------
  56
  57     // this one is called on application startup and is a good place for the app
  58     // initialization (doing it here and not in the ctor allows to have an error
  59     // return: if OnInit() returns false, the application terminates)
  60     virtual bool OnInit();
  61 };
  62
  63 class MyPanel : public wxPanel
  64 {
  65 public:
  66     MyPanel(wxFrame *frame);
  67
  68     void OnCalendar(wxCalendarEvent& event);
  69     void OnCalendarWeekDayClick(wxCalendarEvent& event);
  70     void OnCalendarChange(wxCalendarEvent& event);
  71     void OnCalMonthChange(wxCalendarEvent& event);
  72     void OnCalYearChange(wxCalendarEvent& event);
  73
  74     wxCalendarCtrl *GetCal() const { return m_calendar; }
  75
  76     // turn on/off the specified style bit on the calendar control
  77     void ToggleCalStyle(bool on, int style);
  78
  79     void HighlightSpecial(bool on);
  80
  81     void SetDate();
  82     void Today();
  83
  84 private:
  85     wxCalendarCtrl *m_calendar;
  86     wxStaticText   *m_date;
  87
  88     DECLARE_EVENT_TABLE()
  89 };
  90
  91 // Define a new frame type: this is going to be our main frame
  92 class MyFrame : public wxFrame
  93 {
  94 public:
  95     // ctor(s)
  96     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  97
  98     // event handlers (these functions should _not_ be virtual)
  99     void OnQuit(wxCommandEvent& event);
 100     void OnAbout(wxCommandEvent& event);
 101
 102     void OnCalMonday(wxCommandEvent& event);
 103     void OnCalHolidays(wxCommandEvent& event);
 104     void OnCalSpecial(wxCommandEvent& event);
 105
 106     void OnCalAllowMonth(wxCommandEvent& event);
 107     void OnCalAllowYear(wxCommandEvent& event);
 108
 109     void OnCalSeqMonth(wxCommandEvent& event);
 110     void OnCalShowSurroundingWeeks(wxCommandEvent& event);
 111
 112     void OnSetDate(wxCommandEvent& event);
 113     void OnToday(wxCommandEvent& event);
 114
 115     void OnAllowYearUpdate(wxUpdateUIEvent& event);
 116
 117 private:
 118     MyPanel *m_panel;
 119
 120     // any class wishing to process wxWindows events must use this macro
 121     DECLARE_EVENT_TABLE()
 122 };
 123
 124 // ----------------------------------------------------------------------------
 125 // constants
 126 // ----------------------------------------------------------------------------
 127
 128 // IDs for the controls and the menu commands
 129 enum
 130 {
 131     // menu items
 132     Calendar_File_About = 100,
 133     Calendar_File_Quit,
 134     Calendar_Cal_Monday = 200,
 135     Calendar_Cal_Holidays,
 136     Calendar_Cal_Special,
 137     Calendar_Cal_Month,
 138     Calendar_Cal_Year,
 139     Calendar_Cal_SeqMonth,
 140     Calendar_Cal_SurroundWeeks,
 141     Calendar_Cal_SetDate,
 142     Calendar_Cal_Today,
 143     Calendar_CalCtrl = 1000
 144 };
 145
 146 // ----------------------------------------------------------------------------
 147 // event tables and other macros for wxWindows
 148 // ----------------------------------------------------------------------------
 149
 150 // the event tables connect the wxWindows events with the functions (event
 151 // handlers) which process them. It can be also done at run-time, but for the
 152 // simple menu events like this the static method is much simpler.
 153 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 154     EVT_MENU(Calendar_File_Quit,  MyFrame::OnQuit)
 155     EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
 156
 157     EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
 158     EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
 159     EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
 160
 161     EVT_MENU(Calendar_Cal_Month, MyFrame::OnCalAllowMonth)
 162     EVT_MENU(Calendar_Cal_Year, MyFrame::OnCalAllowYear)
 163
 164     EVT_MENU(Calendar_Cal_SeqMonth, MyFrame::OnCalSeqMonth)
 165     EVT_MENU(Calendar_Cal_SurroundWeeks, MyFrame::OnCalShowSurroundingWeeks)
 166
 167     EVT_MENU(Calendar_Cal_SetDate, MyFrame::OnSetDate)
 168     EVT_MENU(Calendar_Cal_Today, MyFrame::OnToday)
 169
 170
 171     EVT_UPDATE_UI(Calendar_Cal_Year, MyFrame::OnAllowYearUpdate)
 172 END_EVENT_TABLE()
 173
 174 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 175     EVT_CALENDAR            (Calendar_CalCtrl,   MyPanel::OnCalendar)
 176     EVT_CALENDAR_MONTH      (Calendar_CalCtrl,   MyPanel::OnCalMonthChange)
 177     EVT_CALENDAR_YEAR       (Calendar_CalCtrl,   MyPanel::OnCalYearChange)
 178     EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl,   MyPanel::OnCalendarChange)
 179     EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
 180 END_EVENT_TABLE()
 181
 182 // Create a new application object: this macro will allow wxWindows to create
 183 // the application object during program execution (it's better than using a
 184 // static object for many reasons) and also declares the accessor function
 185 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 186 // not wxApp)
 187 IMPLEMENT_APP(MyApp)
 188
 189 // ============================================================================
 190 // implementation
 191 // ============================================================================
 192
 193 // ----------------------------------------------------------------------------
 194 // the application class
 195 // ----------------------------------------------------------------------------
 196
 197 // `Main program' equivalent: the program execution "starts" here
 198 bool MyApp::OnInit()
 199 {
 200     // Create the main application window
 201     MyFrame *frame = new MyFrame(_T("Calendar wxWindows sample"),
 202                                  wxPoint(50, 50), wxSize(450, 340));
 203
 204     frame->Show(TRUE);
 205
 206     // success: wxApp::OnRun() will be called which will enter the main message
 207     // loop and the application will run. If we returned FALSE here, the
 208     // application would exit immediately.
 209     return TRUE;
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // main frame
 214 // ----------------------------------------------------------------------------
 215
 216 // frame constructor
 217 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 218        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 219 {
 220     // create a menu bar
 221     wxMenu *menuFile = new wxMenu;
 222
 223     menuFile->Append(Calendar_File_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 224     menuFile->AppendSeparator();
 225     menuFile->Append(Calendar_File_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 226
 227     wxMenu *menuCal = new wxMenu;
 228     menuCal->Append(Calendar_Cal_Monday,
 229                     _T("Monday &first weekday\tCtrl-F"),
 230                     _T("Toggle between Mon and Sun as the first week day"),
 231                     TRUE);
 232     menuCal->Append(Calendar_Cal_Holidays, _T("Show &holidays\tCtrl-H"),
 233                     _T("Toggle highlighting the holidays"),
 234                     TRUE);
 235     menuCal->Append(Calendar_Cal_Special, _T("Highlight &special dates\tCtrl-S"),
 236                     _T("Test custom highlighting"),
 237                     TRUE);
 238     menuCal->Append(Calendar_Cal_SurroundWeeks,
 239                     _T("Show s&urrounding weeks\tCtrl-W"),
 240                     _T("Show the neighbouring weeks in the prev/next month"),
 241                     TRUE);
 242     menuCal->AppendSeparator();
 243     menuCal->Append(Calendar_Cal_SeqMonth,
 244                     _T("To&ggle month selector style\tCtrl-G"),
 245                     _T("Use another style for the calendar controls"),
 246                     TRUE);
 247     menuCal->Append(Calendar_Cal_Month, _T("&Month can be changed\tCtrl-M"),
 248                     _T("Allow changing the month in the calendar"),
 249                     TRUE);
 250     menuCal->Append(Calendar_Cal_Year, _T("&Year can be changed\tCtrl-Y"),
 251                     _T("Allow changing the year in the calendar"),
 252                     TRUE);
 253     menuCal->AppendSeparator();
 254     menuCal->Append(Calendar_Cal_SetDate, _T("SetDate()"), _T("Set date to 2005-12-24."));
 255     menuCal->Append(Calendar_Cal_Today, _T("Today()"), _T("Set the current date."));
 256
 257     // now append the freshly created menu to the menu bar...
 258     wxMenuBar *menuBar = new wxMenuBar;
 259     menuBar->Append(menuFile, _T("&File"));
 260     menuBar->Append(menuCal, _T("&Calendar"));
 261
 262     menuBar->Check(Calendar_Cal_Monday, TRUE);
 263     menuBar->Check(Calendar_Cal_Holidays, TRUE);
 264     menuBar->Check(Calendar_Cal_Month, TRUE);
 265     menuBar->Check(Calendar_Cal_Year, TRUE);
 266
 267     // ... and attach this menu bar to the frame
 268     SetMenuBar(menuBar);
 269
 270     m_panel = new MyPanel(this);
 271
 272 #if wxUSE_STATUSBAR
 273     // create a status bar just for fun (by default with 1 pane only)
 274     CreateStatusBar(2);
 275     SetStatusText(_T("Welcome to wxWindows!"));
 276 #endif // wxUSE_STATUSBAR
 277 }
 278
 279 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 280 {
 281     // TRUE is to force the frame to close
 282     Close(TRUE);
 283 }
 284
 285 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 286 {
 287     wxMessageBox(_T("wxCalendarCtrl sample\n© 2000 Vadim Zeitlin"),
 288                  _T("About Calendar"), wxOK | wxICON_INFORMATION, this);
 289 }
 290
 291 void MyFrame::OnCalMonday(wxCommandEvent& event)
 292 {
 293     bool enable = GetMenuBar()->IsChecked(event.GetId());
 294
 295     m_panel->ToggleCalStyle(enable, wxCAL_MONDAY_FIRST);
 296 }
 297
 298 void MyFrame::OnCalHolidays(wxCommandEvent& event)
 299 {
 300     bool enable = GetMenuBar()->IsChecked(event.GetId());
 301
 302     m_panel->GetCal()->EnableHolidayDisplay(enable);
 303 }
 304
 305 void MyFrame::OnCalSpecial(wxCommandEvent& event)
 306 {
 307     m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetId()));
 308 }
 309
 310 void MyFrame::OnCalAllowMonth(wxCommandEvent& event)
 311 {
 312     bool allow = GetMenuBar()->IsChecked(event.GetId());
 313
 314     m_panel->GetCal()->EnableMonthChange(allow);
 315 }
 316
 317 void MyFrame::OnCalAllowYear(wxCommandEvent& event)
 318 {
 319     bool allow = GetMenuBar()->IsChecked(event.GetId());
 320
 321     m_panel->GetCal()->EnableYearChange(allow);
 322 }
 323
 324 void MyFrame::OnCalSeqMonth(wxCommandEvent& event)
 325 {
 326     bool allow = GetMenuBar()->IsChecked(event.GetId());
 327
 328     m_panel->ToggleCalStyle(allow, wxCAL_SEQUENTIAL_MONTH_SELECTION);
 329 }
 330
 331 void MyFrame::OnCalShowSurroundingWeeks(wxCommandEvent& event)
 332 {
 333     bool allow = GetMenuBar()->IsChecked(event.GetId());
 334
 335     m_panel->ToggleCalStyle(allow, wxCAL_SHOW_SURROUNDING_WEEKS);
 336 }
 337
 338 void MyFrame::OnAllowYearUpdate(wxUpdateUIEvent& event)
 339 {
 340     event.Enable( GetMenuBar()->IsChecked(Calendar_Cal_Month));
 341 }
 342
 343 void MyFrame::OnSetDate(wxCommandEvent &event)
 344 {
 345     m_panel->SetDate();
 346 }
 347
 348 void MyFrame::OnToday(wxCommandEvent &event)
 349 {
 350     m_panel->Today();
 351 }
 352
 353 // ----------------------------------------------------------------------------
 354 // MyPanel
 355 // ----------------------------------------------------------------------------
 356
 357 MyPanel::MyPanel(wxFrame *frame)
 358        : wxPanel(frame, -1)
 359 {
 360     SetAutoLayout(TRUE);
 361
 362     wxString date;
 363     date.Printf(wxT("Selected date: %s"),
 364                 wxDateTime::Today().FormatISODate().c_str());
 365     m_date = new wxStaticText(this, -1, date);
 366     m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
 367                                     wxDefaultDateTime,
 368                                     wxDefaultPosition,
 369                                     wxDefaultSize,
 370                                     wxCAL_MONDAY_FIRST |
 371                                     wxCAL_SHOW_HOLIDAYS |
 372                                     wxRAISED_BORDER);
 373
 374     wxLayoutConstraints *c = new wxLayoutConstraints;
 375     c->left.SameAs(this, wxLeft, 10);
 376     c->centreY.SameAs(this, wxCentreY);
 377     c->height.AsIs();
 378     c->width.AsIs();
 379
 380     m_date->SetConstraints(c);
 381
 382     c = new wxLayoutConstraints;
 383     c->left.SameAs(m_date, wxRight, 20);
 384     c->centreY.SameAs(this, wxCentreY);
 385     c->height.AsIs();
 386     c->width.AsIs();
 387
 388     m_calendar->SetConstraints(c);
 389 }
 390
 391 void MyPanel::OnCalendar(wxCalendarEvent& event)
 392 {
 393     wxLogMessage(wxT("Selected %s from calendar"),
 394                  event.GetDate().FormatISODate().c_str());
 395 }
 396
 397 void MyPanel::OnCalendarChange(wxCalendarEvent& event)
 398 {
 399     wxString s;
 400     s.Printf(wxT("Selected date: %s"), event.GetDate().FormatISODate().c_str());
 401
 402     m_date->SetLabel(s);
 403 }
 404
 405 void MyPanel::OnCalMonthChange(wxCalendarEvent& WXUNUSED(event))
 406 {
 407     wxLogStatus(wxT("Calendar month changed"));
 408 }
 409
 410 void MyPanel::OnCalYearChange(wxCalendarEvent& WXUNUSED(event))
 411 {
 412     wxLogStatus(wxT("Calendar year changed"));
 413 }
 414
 415 void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
 416 {
 417     wxLogMessage(wxT("Clicked on %s"),
 418                  wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
 419 }
 420
 421 void MyPanel::ToggleCalStyle(bool on, int flag)
 422 {
 423     long style = m_calendar->GetWindowStyle();
 424     if ( on )
 425         style |= flag;
 426     else
 427         style &= ~flag;
 428
 429     m_calendar->SetWindowStyle(style);
 430
 431     m_calendar->Refresh();
 432 }
 433
 434 void MyPanel::HighlightSpecial(bool on)
 435 {
 436     if ( on )
 437     {
 438         wxCalendarDateAttr
 439             *attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
 440             *attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
 441             *attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
 442
 443         m_calendar->SetAttr(17, attrRedCircle);
 444         m_calendar->SetAttr(29, attrGreenSquare);
 445         m_calendar->SetAttr(13, attrHeaderLike);
 446     }
 447     else // off
 448     {
 449         m_calendar->ResetAttr(17);
 450         m_calendar->ResetAttr(29);
 451         m_calendar->ResetAttr(13);
 452     }
 453
 454     m_calendar->Refresh();
 455 }
 456
 457 void MyPanel::SetDate()
 458 {
 459     wxDateTime date(24, wxDateTime::Dec, 2005, 23, 59, 59);
 460     m_calendar->SetDate(date);
 461 }
 462
 463 void MyPanel::Today()
 464 {
 465     m_calendar->SetDate(wxDateTime::Today());
 466 }