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 (this file is usually all you
  33 // need because it includes almost all "standard" wxWindows headers
  34 #ifndef WX_PRECOMP
  35     #include "wx/app.h"
  36     #include "wx/frame.h"
  37 #endif
  38
  39 #include "wx/calctrl.h"
  40
  41 // ----------------------------------------------------------------------------
  42 // private classes
  43 // ----------------------------------------------------------------------------
  44
  45 // Define a new application type, each program should derive a class from wxApp
  46 class MyApp : public wxApp
  47 {
  48 public:
  49     // override base class virtuals
  50     // ----------------------------
  51
  52     // this one is called on application startup and is a good place for the app
  53     // initialization (doing it here and not in the ctor allows to have an error
  54     // return: if OnInit() returns false, the application terminates)
  55     virtual bool OnInit();
  56 };
  57
  58 class MyPanel : public wxPanel
  59 {
  60 public:
  61     MyPanel(wxFrame *frame);
  62
  63     void OnCalendar(wxCalendarEvent& event);
  64     void OnCalendarWeekDayClick(wxCalendarEvent& event);
  65     void OnCalendarChange(wxCalendarEvent& event);
  66
  67     void StartWithMonday(bool on);
  68     void ShowHolidays(bool on);
  69     void HighlightSpecial(bool on);
  70
  71 private:
  72     wxCalendarCtrl *m_calendar;
  73     wxStaticText   *m_date;
  74
  75     DECLARE_EVENT_TABLE()
  76 };
  77
  78 // Define a new frame type: this is going to be our main frame
  79 class MyFrame : public wxFrame
  80 {
  81 public:
  82     // ctor(s)
  83     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  84
  85     // event handlers (these functions should _not_ be virtual)
  86     void OnQuit(wxCommandEvent& event);
  87     void OnAbout(wxCommandEvent& event);
  88
  89     void OnCalMonday(wxCommandEvent& event);
  90     void OnCalHolidays(wxCommandEvent& event);
  91     void OnCalSpecial(wxCommandEvent& event);
  92
  93 private:
  94     MyPanel *m_panel;
  95
  96     // any class wishing to process wxWindows events must use this macro
  97     DECLARE_EVENT_TABLE()
  98 };
  99
 100 // ----------------------------------------------------------------------------
 101 // constants
 102 // ----------------------------------------------------------------------------
 103
 104 // IDs for the controls and the menu commands
 105 enum
 106 {
 107     // menu items
 108     Calendar_File_About = 100,
 109     Calendar_File_Quit,
 110     Calendar_Cal_Monday = 200,
 111     Calendar_Cal_Holidays,
 112     Calendar_Cal_Special,
 113     Calendar_CalCtrl = 1000,
 114 };
 115
 116 // ----------------------------------------------------------------------------
 117 // event tables and other macros for wxWindows
 118 // ----------------------------------------------------------------------------
 119
 120 // the event tables connect the wxWindows events with the functions (event
 121 // handlers) which process them. It can be also done at run-time, but for the
 122 // simple menu events like this the static method is much simpler.
 123 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 124     EVT_MENU(Calendar_File_Quit,  MyFrame::OnQuit)
 125     EVT_MENU(Calendar_File_About, MyFrame::OnAbout)
 126
 127     EVT_MENU(Calendar_Cal_Monday, MyFrame::OnCalMonday)
 128     EVT_MENU(Calendar_Cal_Holidays, MyFrame::OnCalHolidays)
 129     EVT_MENU(Calendar_Cal_Special, MyFrame::OnCalSpecial)
 130 END_EVENT_TABLE()
 131
 132 BEGIN_EVENT_TABLE(MyPanel, wxPanel)
 133     EVT_CALENDAR            (Calendar_CalCtrl,   MyPanel::OnCalendar)
 134     EVT_CALENDAR_SEL_CHANGED(Calendar_CalCtrl,   MyPanel::OnCalendarChange)
 135     EVT_CALENDAR_WEEKDAY_CLICKED(Calendar_CalCtrl, MyPanel::OnCalendarWeekDayClick)
 136 END_EVENT_TABLE()
 137
 138 // Create a new application object: this macro will allow wxWindows to create
 139 // the application object during program execution (it's better than using a
 140 // static object for many reasons) and also declares the accessor function
 141 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 142 // not wxApp)
 143 IMPLEMENT_APP(MyApp)
 144
 145 // ============================================================================
 146 // implementation
 147 // ============================================================================
 148
 149 // ----------------------------------------------------------------------------
 150 // the application class
 151 // ----------------------------------------------------------------------------
 152
 153 // `Main program' equivalent: the program execution "starts" here
 154 bool MyApp::OnInit()
 155 {
 156     // Create the main application window
 157     MyFrame *frame = new MyFrame("Minimal wxWindows App",
 158                                  wxPoint(50, 50), wxSize(450, 340));
 159
 160     // Show it and tell the application that it's our main window
 161     // @@@ what does it do exactly, in fact? is it necessary here?
 162     frame->Show(TRUE);
 163     SetTopWindow(frame);
 164
 165     // success: wxApp::OnRun() will be called which will enter the main message
 166     // loop and the application will run. If we returned FALSE here, the
 167     // application would exit immediately.
 168     return TRUE;
 169 }
 170
 171 // ----------------------------------------------------------------------------
 172 // main frame
 173 // ----------------------------------------------------------------------------
 174
 175 // frame constructor
 176 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 177        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 178 {
 179     // create a menu bar
 180     wxMenu *menuFile = new wxMenu;
 181
 182     menuFile->Append(Calendar_File_About, "&About...\tCtrl-A", "Show about dialog");
 183     menuFile->AppendSeparator();
 184     menuFile->Append(Calendar_File_Quit, "E&xit\tAlt-X", "Quit this program");
 185
 186     wxMenu *menuCal = new wxMenu;
 187     menuCal->Append(Calendar_Cal_Monday,
 188                     "&Monday first weekday\tCtrl-M",
 189                     "Toggle between Mon and Sun as the first week day",
 190                     TRUE);
 191     menuCal->Append(Calendar_Cal_Holidays, "Show &holidays\tCtrl-H",
 192                     "Toggle highlighting the holidays",
 193                     TRUE);
 194     menuCal->Append(Calendar_Cal_Special, "Highlight &special dates\tCtrl-S",
 195                     "Test custom highlighting",
 196                     TRUE);
 197
 198     // now append the freshly created menu to the menu bar...
 199     wxMenuBar *menuBar = new wxMenuBar;
 200     menuBar->Append(menuFile, "&File");
 201     menuBar->Append(menuCal, "&Calendar");
 202
 203     menuBar->Check(Calendar_Cal_Monday, TRUE);
 204     menuBar->Check(Calendar_Cal_Holidays, TRUE);
 205
 206     // ... and attach this menu bar to the frame
 207     SetMenuBar(menuBar);
 208
 209     m_panel = new MyPanel(this);
 210
 211 #if wxUSE_STATUSBAR
 212     // create a status bar just for fun (by default with 1 pane only)
 213     CreateStatusBar(2);
 214     SetStatusText("Welcome to wxWindows!");
 215 #endif // wxUSE_STATUSBAR
 216 }
 217
 218 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 219 {
 220     // TRUE is to force the frame to close
 221     Close(TRUE);
 222 }
 223
 224 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 225 {
 226     wxMessageBox(_T("wxCalendarCtrl sample\n© 2000 Vadim Zeitlin"),
 227                  _T("About Calendar"), wxOK | wxICON_INFORMATION, this);
 228 }
 229
 230 void MyFrame::OnCalMonday(wxCommandEvent& event)
 231 {
 232     m_panel->StartWithMonday(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 233 }
 234
 235 void MyFrame::OnCalHolidays(wxCommandEvent& event)
 236 {
 237     m_panel->ShowHolidays(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 238 }
 239
 240 void MyFrame::OnCalSpecial(wxCommandEvent& event)
 241 {
 242     m_panel->HighlightSpecial(GetMenuBar()->IsChecked(event.GetInt()) != 0);
 243 }
 244
 245 // ----------------------------------------------------------------------------
 246 // MyPanel
 247 // ----------------------------------------------------------------------------
 248
 249 MyPanel::MyPanel(wxFrame *frame)
 250        : wxPanel(frame, -1)
 251 {
 252     SetAutoLayout(TRUE);
 253
 254     wxString date;
 255     date.Printf("Selected date: %s",
 256                 wxDateTime::Today().FormatISODate().c_str());
 257     m_date = new wxStaticText(this, -1, date);
 258     m_calendar = new wxCalendarCtrl(this, Calendar_CalCtrl,
 259                                     wxDefaultDateTime,
 260                                     wxDefaultPosition,
 261                                     wxDefaultSize,
 262                                     wxCAL_MONDAY_FIRST | wxCAL_SHOW_HOLIDAYS);
 263
 264     wxLayoutConstraints *c = new wxLayoutConstraints;
 265     c->left.SameAs(this, wxLeft, 10);
 266     c->centreY.SameAs(m_calendar, wxCentreY);
 267     c->height.AsIs();
 268     c->width.AsIs();
 269
 270     m_date->SetConstraints(c);
 271
 272     c = new wxLayoutConstraints;
 273     c->left.SameAs(m_date, wxRight, 10);
 274     c->top.SameAs(this, wxTop, 10);
 275     c->height.AsIs();
 276     c->width.AsIs();
 277
 278     m_calendar->SetConstraints(c);
 279 }
 280
 281 void MyPanel::OnCalendar(wxCalendarEvent& event)
 282 {
 283     wxLogMessage("Selected %s from calendar",
 284                  event.GetDate().FormatISODate().c_str());
 285 }
 286
 287 void MyPanel::OnCalendarChange(wxCalendarEvent& event)
 288 {
 289     wxString s;
 290     s.Printf("Selected date: %s", event.GetDate().FormatISODate().c_str());
 291
 292     m_date->SetLabel(s);
 293 }
 294
 295 void MyPanel::OnCalendarWeekDayClick(wxCalendarEvent& event)
 296 {
 297     wxLogMessage("Clicked on %s",
 298                  wxDateTime::GetWeekDayName(event.GetWeekDay()).c_str());
 299 }
 300
 301 void MyPanel::StartWithMonday(bool on)
 302 {
 303     long style = m_calendar->GetWindowStyle();
 304     if ( on )
 305         style |= wxCAL_MONDAY_FIRST;
 306     else
 307         style &= ~wxCAL_MONDAY_FIRST;
 308
 309     m_calendar->SetWindowStyle(style);
 310
 311     m_calendar->Refresh();
 312 }
 313
 314 void MyPanel::ShowHolidays(bool on)
 315 {
 316     m_calendar->EnableHolidayDisplay(on);
 317 }
 318
 319 void MyPanel::HighlightSpecial(bool on)
 320 {
 321     if ( on )
 322     {
 323         wxCalendarDateAttr
 324             *attrRedCircle = new wxCalendarDateAttr(wxCAL_BORDER_ROUND, *wxRED),
 325             *attrGreenSquare = new wxCalendarDateAttr(wxCAL_BORDER_SQUARE, *wxGREEN),
 326             *attrHeaderLike = new wxCalendarDateAttr(*wxBLUE, *wxLIGHT_GREY);
 327
 328         m_calendar->SetAttr(17, attrRedCircle);
 329         m_calendar->SetAttr(29, attrGreenSquare);
 330         m_calendar->SetAttr(13, attrHeaderLike);
 331     }
 332     else // off
 333     {
 334         m_calendar->ResetAttr(17);
 335         m_calendar->ResetAttr(29);
 336         m_calendar->ResetAttr(13);
 337     }
 338
 339     m_calendar->Refresh();
 340 }
 341