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 #ifdef __GNUG__
  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/frame.h"
  36     #include "wx/panel.h"
  37     #include "wx/stattext.h"
  38     #include "wx/menu.h"
  39     #include "wx/layout.h"
  40     #include "wx/msgdlg.h"
  41 #endif
  42
  43 #include "wx/calctrl.h"
  44
  45 // ----------------------------------------------------------------------------
  46 // private classes
  47 // ----------------------------------------------------------------------------
  48
  49 // Define a new application type, each program should derive a class from wxApp
  50 class MyApp : public wxApp
  51 {
  52 public:
  53     // override base class virtuals
  54     // ----------------------------
  55
  56     // this one is called on application startup and is a good place for the app
  57     // initialization (doing it here and not in the ctor allows to have an error
  58     // return: if OnInit() returns false, the application terminates)
  59     virtual bool OnInit();
  60 };
  61
  62 class MyPanel : public wxPanel
  63 {
  64 public:
  65     MyPanel(wxFrame *frame);
  66
  67     void OnCalendar(wxCalendarEvent& event);
  68     void OnCalendarWeekDayClick(wxCalendarEvent& event);
  69     void OnCalendarChange(wxCalendarEvent& event);
  70
  71     wxCalendarCtrl *GetCal() const { return m_calendar; }
  72
  73     void StartWithMonday(bool on);
  74     void HighlightSpecial(bool on);
  75
  76 private:
  77     wxCalendarCtrl *m_calendar;
  78     wxStaticText   *m_date;
  79
  80     DECLARE_EVENT_TABLE()
  81 };
  82
  83 // Define a new frame type: this is going to be our main frame
  84 class MyFrame : public wxFrame
  85 {
  86 public:
  87     // ctor(s)
  88     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  89
  90     // event handlers (these functions should _not_ be virtual)
  91     void OnQuit(wxCommandEvent& event);
  92     void OnAbout(wxCommandEvent& event);
  93
  94     void OnCalMonday(wxCommandEvent& event);
  95     void OnCalHolidays(wxCommandEvent& event);
  96     void OnCalSpecial(wxCommandEvent& event);
  97
  98     void OnCalAllowMonth(wxCommandEvent& event);
  99     void OnCalAllowYear(wxCommandEvent& event);
 100
 101     void OnAllowYearUpdate(wxUpdateUIEvent& event);
 102
 103 private:
 104     MyPanel *m_panel;
 105
 106     // any class wishing to process wxWindows events must use this macro
 107     DECLARE_EVENT_TABLE()
 108 };
 109
 110 // ----------------------------------------------------------------------------
 111 // constants
 112 // ----------------------------------------------------------------------------
 113
 114 // IDs for the controls and the menu commands
 115 enum
 116 {
 117     // menu items
 118     Calendar_File_About = 100,
 119     Calendar_File_Quit,
 120     Calendar_Cal_Monday = 200,
 121     Calendar_Cal_Holidays,
 122     Calendar_Cal_Special,
 123     Calendar_Cal_Month,
 124     Calendar_Cal_Year,
 125     Calendar_CalCtrl = 1000,
 126 };
 127
 128 // ----------------------------------------------------------------------------
 129 // event tables and other macros for wxWindows
 130 // ----------------------------------------------------------------------------
 131
 132 // the event tables connect the wxWindows events with the functions (event
 133 // handlers) which process them. It can be also done at run-time, but for the
 134 // simple menu events like this the static method is much simpler.
 135 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 136     EVT_MENU(Calendar_File_Quit,  MyFrame::OnQuit)
 137     EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
 138
 139     EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
 140     EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
 141     EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
 142
 143     EVT_MENU(Calendar_Cal_Month, MyFrame::OnCalAllowMonth)
 144     EVT_MENU(Calendar_Cal_Year, MyFrame::OnCalAllowYear)
 145
 146     EVT_UPDATE_UI(Calendar_Cal_Year, MyFrame::OnAllowYearUpdate)
 147 END_EVENT_TABLE()
 148
 149 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 150     EVT_CALENDAR            (Calendar_CalCtrl,   MyPanel::OnCalendar)
 151     EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl,   MyPanel::OnCalendarChange)
 152     EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
 153 END_EVENT_TABLE()
 154
 155 // Create a new application object: this macro will allow wxWindows to create
 156 // the application object during program execution (it's better than using a
 157 // static object for many reasons) and also declares the accessor function
 158 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 159 // not wxApp)
 160 IMPLEMENT_APP(MyApp)
 161
 162 // ============================================================================
 163 // implementation
 164 // ============================================================================
 165
 166 // ----------------------------------------------------------------------------
 167 // the application class
 168 // ----------------------------------------------------------------------------
 169
 170 // `Main program' equivalent: the program execution "starts" here
 171 bool MyApp::OnInit()
 172 {
 173     // Create the main application window
 174     MyFrame *frame = new MyFrame("Calendar wxWindows sample",
 175                                  wxPoint(50, 50), wxSize(450, 340));
 176
 177     // Show it and tell the application that it's our main window
 178     // @@@ what does it do exactly, in fact? is it necessary here?
 179     frame->Show(TRUE);
 180     SetTopWindow(frame);
 181
 182     // success: wxApp::OnRun() will be called which will enter the main message
 183     // loop and the application will run. If we returned FALSE here, the
 184     // application would exit immediately.
 185     return TRUE;
 186 }
 187
 188 // ----------------------------------------------------------------------------
 189 // main frame
 190 // ----------------------------------------------------------------------------
 191
 192 // frame constructor
 193 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 194        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 195 {
 196     // create a menu bar
 197     wxMenu *menuFile = new wxMenu;
 198
 199     menuFile->Append(Calendar_File_About, "&About...\tCtrl-A", "Show about dialog");
 200     menuFile->AppendSeparator();
 201     menuFile->Append(Calendar_File_Quit, "E&xit\tAlt-X", "Quit this program");
 202
 203     wxMenu *menuCal = new wxMenu;
 204     menuCal->Append(Calendar_Cal_Monday,
 205                     "Monday &first weekday\tCtrl-F",
 206                     "Toggle between Mon and Sun as the first week day",
 207                     TRUE);
 208     menuCal->Append(Calendar_Cal_Holidays, "Show &holidays\tCtrl-H",
 209                     "Toggle highlighting the holidays",
 210                     TRUE);
 211     menuCal->Append(Calendar_Cal_Special, "Highlight &special dates\tCtrl-S",
 212                     "Test custom highlighting",
 213                     TRUE);
 214     menuCal->AppendSeparator();
 215     menuCal->Append(Calendar_Cal_Month, "&Month can be changed\tCtrl-M",
 216                     "Allow changing the month in the calendar",
 217                     TRUE);
 218     menuCal->Append(Calendar_Cal_Year, "&Year can be changed\tCtrl-Y",
 219                     "Allow changing the year in the calendar",
 220                     TRUE);
 221
 222     // now append the freshly created menu to the menu bar...
 223     wxMenuBar *menuBar = new wxMenuBar;
 224     menuBar->Append(menuFile, "&File");
 225     menuBar->Append(menuCal, "&Calendar");
 226
 227     menuBar->Check(Calendar_Cal_Monday, TRUE);
 228     menuBar->Check(Calendar_Cal_Holidays, TRUE);
 229     menuBar->Check(Calendar_Cal_Month, TRUE);
 230     menuBar->Check(Calendar_Cal_Year, TRUE);
 231
 232     // ... and attach this menu bar to the frame
 233     SetMenuBar(menuBar);
 234
 235     m_panel = new MyPanel(this);
 236
 237 #if wxUSE_STATUSBAR
 238     // create a status bar just for fun (by default with 1 pane only)
 239     CreateStatusBar(2);
 240     SetStatusText("Welcome to wxWindows!");
 241 #endif // wxUSE_STATUSBAR
 242 }
 243
 244 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 245 {
 246     // TRUE is to force the frame to close
 247     Close(TRUE);
 248 }
 249
 250 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 251 {
 252     wxMessageBox(_T("wxCalendarCtrl sample\n© 2000 Vadim Zeitlin"),
 253                  _T("About Calendar"), wxOK | wxICON_INFORMATION, this);
 254 }
 255
 256 void MyFrame::OnCalMonday(wxCommandEvent& event)
 257 {
 258     m_panel->StartWithMonday(GetMenuBar()->IsChecked(event.GetInt()));
 259 }
 260
 261 void MyFrame::OnCalHolidays(wxCommandEvent& event)
 262 {
 263     bool enable = GetMenuBar()->IsChecked(event.GetInt());
 264     m_panel->GetCal()->EnableHolidayDisplay(enable);
 265 }
 266
 267 void MyFrame::OnCalSpecial(wxCommandEvent& event)
 268 {
 269     m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetInt()));
 270 }
 271
 272 void MyFrame::OnCalAllowMonth(wxCommandEvent& event)
 273 {
 274     bool allow = GetMenuBar()->IsChecked(event.GetInt());
 275
 276     m_panel->GetCal()->EnableMonthChange(allow);
 277 }
 278
 279 void MyFrame::OnCalAllowYear(wxCommandEvent& event)
 280 {
 281     bool allow = GetMenuBar()->IsChecked(event.GetInt());
 282
 283     m_panel->GetCal()->EnableYearChange(allow);
 284 }
 285
 286 void MyFrame::OnAllowYearUpdate(wxUpdateUIEvent& event)
 287 {
 288     event.Enable( GetMenuBar()->IsChecked(Calendar_Cal_Month));
 289 }
 290
 291 // ----------------------------------------------------------------------------
 292 // MyPanel
 293 // ----------------------------------------------------------------------------
 294
 295 MyPanel::MyPanel(wxFrame *frame)
 296        : wxPanel(frame, -1)
 297 {
 298     SetAutoLayout(TRUE);
 299
 300     wxString date;
 301     date.Printf("Selected date: %s",
 302                 wxDateTime::Today().FormatISODate().c_str());
 303     m_date = new wxStaticText(this, -1, date);
 304     m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
 305                                     wxDefaultDateTime,
 306                                     wxDefaultPosition,
 307                                     wxDefaultSize,
 308                                     wxCAL_MONDAY_FIRST |
 309                                     wxCAL_SHOW_HOLIDAYS |
 310                                     wxRAISED_BORDER);
 311
 312     wxLayoutConstraints *c = new wxLayoutConstraints;
 313     c->left.SameAs(this, wxLeft, 10);
 314     c->centreY.SameAs(m_calendar, wxCentreY);
 315     c->height.AsIs();
 316     c->width.AsIs();
 317
 318     m_date->SetConstraints(c);
 319
 320     c = new wxLayoutConstraints;
 321     c->left.SameAs(m_date, wxRight, 10);
 322     c->top.SameAs(this, wxTop, 10);
 323     c->height.AsIs();
 324     c->width.AsIs();
 325
 326     m_calendar->SetConstraints(c);
 327 }
 328
 329 void MyPanel::OnCalendar(wxCalendarEvent& event)
 330 {
 331     wxLogMessage("Selected %s from calendar",
 332                  event.GetDate().FormatISODate().c_str());
 333 }
 334
 335 void MyPanel::OnCalendarChange(wxCalendarEvent& event)
 336 {
 337     wxString s;
 338     s.Printf("Selected date: %s", event.GetDate().FormatISODate().c_str());
 339
 340     m_date->SetLabel(s);
 341 }
 342
 343 void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
 344 {
 345     wxLogMessage("Clicked on %s",
 346                  wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
 347 }
 348
 349 void MyPanel::StartWithMonday(bool on)
 350 {
 351     long style = m_calendar->GetWindowStyle();
 352     if ( on )
 353         style |= wxCAL_MONDAY_FIRST;
 354     else
 355         style &= ~wxCAL_MONDAY_FIRST;
 356
 357     m_calendar->SetWindowStyle(style);
 358
 359     m_calendar->Refresh();
 360 }
 361
 362 void MyPanel::HighlightSpecial(bool on)
 363 {
 364     if ( on )
 365     {
 366         wxCalendarDateAttr
 367             *attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
 368             *attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
 369             *attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
 370
 371         m_calendar->SetAttr(17, attrRedCircle);
 372         m_calendar->SetAttr(29, attrGreenSquare);
 373         m_calendar->SetAttr(13, attrHeaderLike);
 374     }
 375     else // off
 376     {
 377         m_calendar->ResetAttr(17);
 378         m_calendar->ResetAttr(29);
 379         m_calendar->ResetAttr(13);
 380     }
 381
 382     m_calendar->Refresh();
 383 }
 384