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     void StartWithMonday(bool on);
  72     void ShowHolidays(bool on);
  73     void HighlightSpecial(bool on);
  74
  75 private:
  76     wxCalendarCtrl *m_calendar;
  77     wxStaticText   *m_date;
  78
  79     DECLARE_EVENT_TABLE()
  80 };
  81
  82 // Define a new frame type: this is going to be our main frame
  83 class MyFrame : public wxFrame
  84 {
  85 public:
  86     // ctor(s)
  87     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  88
  89     // event handlers (these functions should _not_ be virtual)
  90     void OnQuit(wxCommandEvent& event);
  91     void OnAbout(wxCommandEvent& event);
  92
  93     void OnCalMonday(wxCommandEvent& event);
  94     void OnCalHolidays(wxCommandEvent& event);
  95     void OnCalSpecial(wxCommandEvent& event);
  96
  97 private:
  98     MyPanel *m_panel;
  99
 100     // any class wishing to process wxWindows events must use this macro
 101     DECLARE_EVENT_TABLE()
 102 };
 103
 104 // ----------------------------------------------------------------------------
 105 // constants
 106 // ----------------------------------------------------------------------------
 107
 108 // IDs for the controls and the menu commands
 109 enum
 110 {
 111     // menu items
 112     Calendar_File_About = 100,
 113     Calendar_File_Quit,
 114     Calendar_Cal_Monday = 200,
 115     Calendar_Cal_Holidays,
 116     Calendar_Cal_Special,
 117     Calendar_CalCtrl = 1000,
 118 };
 119
 120 // ----------------------------------------------------------------------------
 121 // event tables and other macros for wxWindows
 122 // ----------------------------------------------------------------------------
 123
 124 // the event tables connect the wxWindows events with the functions (event
 125 // handlers) which process them. It can be also done at run-time, but for the
 126 // simple menu events like this the static method is much simpler.
 127 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 128     EVT_MENU(Calendar_File_Quit,  MyFrame::OnQuit)
 129     EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
 130
 131     EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
 132     EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
 133     EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
 134 END_EVENT_TABLE()
 135
 136 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 137     EVT_CALENDAR            (Calendar_CalCtrl,   MyPanel::OnCalendar)
 138     EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl,   MyPanel::OnCalendarChange)
 139     EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
 140 END_EVENT_TABLE()
 141
 142 // Create a new application object: this macro will allow wxWindows to create
 143 // the application object during program execution (it's better than using a
 144 // static object for many reasons) and also declares the accessor function
 145 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 146 // not wxApp)
 147 IMPLEMENT_APP(MyApp)
 148
 149 // ============================================================================
 150 // implementation
 151 // ============================================================================
 152
 153 // ----------------------------------------------------------------------------
 154 // the application class
 155 // ----------------------------------------------------------------------------
 156
 157 // `Main program' equivalent: the program execution "starts" here
 158 bool MyApp::OnInit()
 159 {
 160     // Create the main application window
 161     MyFrame *frame = new MyFrame("Minimal wxWindows App",
 162                                  wxPoint(50, 50), wxSize(450, 340));
 163
 164     // Show it and tell the application that it's our main window
 165     // @@@ what does it do exactly, in fact? is it necessary here?
 166     frame->Show(TRUE);
 167     SetTopWindow(frame);
 168
 169     // success: wxApp::OnRun() will be called which will enter the main message
 170     // loop and the application will run. If we returned FALSE here, the
 171     // application would exit immediately.
 172     return TRUE;
 173 }
 174
 175 // ----------------------------------------------------------------------------
 176 // main frame
 177 // ----------------------------------------------------------------------------
 178
 179 // frame constructor
 180 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 181        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 182 {
 183     // create a menu bar
 184     wxMenu *menuFile = new wxMenu;
 185
 186     menuFile->Append(Calendar_File_About, "&About...\tCtrl-A", "Show about dialog");
 187     menuFile->AppendSeparator();
 188     menuFile->Append(Calendar_File_Quit, "E&xit\tAlt-X", "Quit this program");
 189
 190     wxMenu *menuCal = new wxMenu;
 191     menuCal->Append(Calendar_Cal_Monday,
 192                     "&Monday first weekday\tCtrl-M",
 193                     "Toggle between Mon and Sun as the first week day",
 194                     TRUE);
 195     menuCal->Append(Calendar_Cal_Holidays, "Show &holidays\tCtrl-H",
 196                     "Toggle highlighting the holidays",
 197                     TRUE);
 198     menuCal->Append(Calendar_Cal_Special, "Highlight &special dates\tCtrl-S",
 199                     "Test custom highlighting",
 200                     TRUE);
 201
 202     // now append the freshly created menu to the menu bar...
 203     wxMenuBar *menuBar = new wxMenuBar;
 204     menuBar->Append(menuFile, "&File");
 205     menuBar->Append(menuCal, "&Calendar");
 206
 207     menuBar->Check(Calendar_Cal_Monday, TRUE);
 208     menuBar->Check(Calendar_Cal_Holidays, TRUE);
 209
 210     // ... and attach this menu bar to the frame
 211     SetMenuBar(menuBar);
 212
 213     m_panel = new MyPanel(this);
 214
 215 #if wxUSE_STATUSBAR
 216     // create a status bar just for fun (by default with 1 pane only)
 217     CreateStatusBar(2);
 218     SetStatusText("Welcome to wxWindows!");
 219 #endif // wxUSE_STATUSBAR
 220 }
 221
 222 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 223 {
 224     // TRUE is to force the frame to close
 225     Close(TRUE);
 226 }
 227
 228 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 229 {
 230     wxMessageBox(_T("wxCalendarCtrl sample\n© 2000 Vadim Zeitlin"),
 231                  _T("About Calendar"), wxOK | wxICON_INFORMATION, this);
 232 }
 233
 234 void MyFrame::OnCalMonday(wxCommandEvent& event)
 235 {
 236     m_panel->StartWithMonday(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 237 }
 238
 239 void MyFrame::OnCalHolidays(wxCommandEvent& event)
 240 {
 241     m_panel->ShowHolidays(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 242 }
 243
 244 void MyFrame::OnCalSpecial(wxCommandEvent& event)
 245 {
 246     m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 247 }
 248
 249 // ----------------------------------------------------------------------------
 250 // MyPanel
 251 // ----------------------------------------------------------------------------
 252
 253 MyPanel::MyPanel(wxFrame *frame)
 254        : wxPanel(frame, -1)
 255 {
 256     SetAutoLayout(TRUE);
 257
 258     wxString date;
 259     date.Printf("Selected date: %s",
 260                 wxDateTime::Today().FormatISODate().c_str());
 261     m_date = new wxStaticText(this, -1, date);
 262     m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
 263                                     wxDefaultDateTime,
 264                                     wxDefaultPosition,
 265                                     wxDefaultSize,
 266                                     wxCAL_MONDAY_FIRST | wxCAL_SHOW_HOLIDAYS);
 267
 268     wxLayoutConstraints *c = new wxLayoutConstraints;
 269     c->left.SameAs(this, wxLeft, 10);
 270     c->centreY.SameAs(m_calendar, wxCentreY);
 271     c->height.AsIs();
 272     c->width.AsIs();
 273
 274     m_date->SetConstraints(c);
 275
 276     c = new wxLayoutConstraints;
 277     c->left.SameAs(m_date, wxRight, 10);
 278     c->top.SameAs(this, wxTop, 10);
 279     c->height.AsIs();
 280     c->width.AsIs();
 281
 282     m_calendar->SetConstraints(c);
 283 }
 284
 285 void MyPanel::OnCalendar(wxCalendarEvent& event)
 286 {
 287     wxLogMessage("Selected %s from calendar",
 288                  event.GetDate().FormatISODate().c_str());
 289 }
 290
 291 void MyPanel::OnCalendarChange(wxCalendarEvent& event)
 292 {
 293     wxString s;
 294     s.Printf("Selected date: %s", event.GetDate().FormatISODate().c_str());
 295
 296     m_date->SetLabel(s);
 297 }
 298
 299 void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
 300 {
 301     wxLogMessage("Clicked on %s",
 302                  wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
 303 }
 304
 305 void MyPanel::StartWithMonday(bool on)
 306 {
 307     long style = m_calendar->GetWindowStyle();
 308     if ( on )
 309         style |= wxCAL_MONDAY_FIRST;
 310     else
 311         style &= ~wxCAL_MONDAY_FIRST;
 312
 313     m_calendar->SetWindowStyle(style);
 314
 315     m_calendar->Refresh();
 316 }
 317
 318 void MyPanel::ShowHolidays(bool on)
 319 {
 320     m_calendar->EnableHolidayDisplay(on);
 321 }
 322
 323 void MyPanel::HighlightSpecial(bool on)
 324 {
 325     if ( on )
 326     {
 327         wxCalendarDateAttr
 328             *attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
 329             *attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
 330             *attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
 331
 332         m_calendar->SetAttr(17, attrRedCircle);
 333         m_calendar->SetAttr(29, attrGreenSquare);
 334         m_calendar->SetAttr(13, attrHeaderLike);
 335     }
 336     else // off
 337     {
 338         m_calendar->ResetAttr(17);
 339         m_calendar->ResetAttr(29);
 340         m_calendar->ResetAttr(13);
 341     }
 342
 343     m_calendar->Refresh();
 344 }
 345