samples/dynamic/dynamic.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dynamic.cpp
   3 // Purpose:     Dynamic events wxWidgets sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(__APPLE__)
  13 #pragma implementation
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXCOCOA__)
  29 #include "mondrian.xpm"
  30 #endif
  31
  32 // Define a new application type
  33 class MyApp: public wxApp
  34 { public:
  35     bool OnInit(void);
  36 };
  37
  38 // Define a new frame type
  39 class MyFrame: public wxFrame
  40 { public:
  41     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
  42
  43  public:
  44     void OnQuit(wxCommandEvent& event);
  45     void OnAbout(wxCommandEvent& event);
  46 };
  47
  48 // ID for the menu commands
  49 #define DYNAMIC_QUIT   1
  50 #define DYNAMIC_TEXT   101
  51 #define DYNAMIC_ABOUT   102
  52
  53 // Create a new application object
  54 IMPLEMENT_APP  (MyApp)
  55
  56 // `Main program' equivalent, creating windows and returning main app frame
  57 bool MyApp::OnInit(void)
  58 {
  59   // Create the main frame window
  60   MyFrame *frame = new MyFrame(NULL, _T("Dynamic wxWidgets App"), 50, 50, 450, 340);
  61
  62   // You used to have to do some casting for param 4, but now there are type-safe handlers
  63   frame->Connect( DYNAMIC_QUIT,  wxID_ANY,
  64                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnQuit) );
  65   frame->Connect( DYNAMIC_ABOUT, wxID_ANY,
  66                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnAbout) );
  67
  68   // Give it an icon
  69 #ifdef __WXMSW__
  70   frame->SetIcon(wxIcon(_T("mondrian")));
  71 #else
  72   frame->SetIcon(wxIcon(mondrian_xpm));
  73 #endif
  74
  75   // Make a menubar
  76   wxMenu *file_menu = new wxMenu;
  77
  78   file_menu->Append(DYNAMIC_ABOUT, _T("&About"));
  79   file_menu->Append(DYNAMIC_QUIT, _T("E&xit"));
  80   wxMenuBar *menu_bar = new wxMenuBar;
  81   menu_bar->Append(file_menu, _T("&File"));
  82   frame->SetMenuBar(menu_bar);
  83
  84   // Make a panel with a message
  85   wxPanel *panel = new wxPanel(frame, wxID_ANY, wxPoint(0, 0), wxSize(400, 200), wxTAB_TRAVERSAL);
  86
  87   (void)new wxStaticText(panel, 311, _T("Hello!"), wxPoint(10, 10), wxDefaultSize, 0);
  88
  89   // Show the frame
  90   frame->Show(true);
  91
  92   SetTopWindow(frame);
  93
  94   return true;
  95 }
  96
  97 // My frame constructor
  98 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
  99   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 100 {}
 101
 102 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 103 {
 104   Close(true);
 105 }
 106
 107 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 108 {
 109   wxMessageDialog dialog(this, _T("This demonstrates dynamic event handling"),
 110     _T("About Dynamic"), wxYES_NO|wxCANCEL);
 111
 112   dialog.ShowModal();
 113 }
 114
 115