samples/dynamic/minimal.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        minimal.cpp
   3 // Purpose:     Dynamic events wxWindows sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "minimal.cpp"
  14 #pragma interface "minimal.cpp"
  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 // Define a new application type
  29 class MyApp: public wxApp
  30 { public:
  31     bool OnInit(void);
  32 };
  33
  34 // Define a new frame type
  35 class MyFrame: public wxFrame
  36 { public:
  37     MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
  38
  39  public:
  40     void OnQuit(wxCommandEvent& event);
  41     void OnAbout(wxCommandEvent& event);
  42         bool OnClose(void) { return TRUE; }
  43 };
  44
  45 // ID for the menu commands
  46 #define MINIMAL_QUIT    1
  47 #define MINIMAL_TEXT    101
  48 #define MINIMAL_ABOUT   102
  49
  50 // Create a new application object
  51 IMPLEMENT_APP   (MyApp)
  52
  53 // `Main program' equivalent, creating windows and returning main app frame
  54 bool MyApp::OnInit(void)
  55 {
  56   // Create the main frame window
  57   MyFrame *frame = new MyFrame(NULL, "Minimal wxWindows App", 50, 50, 450, 340);
  58
  59   frame->Connect( MINIMAL_QUIT,  -1, wxEVT_COMMAND_MENU_SELECTED, (wxObjectEventFunction)MyFrame::OnQuit );
  60   frame->Connect( MINIMAL_ABOUT, -1, wxEVT_COMMAND_MENU_SELECTED, (wxObjectEventFunction)MyFrame::OnAbout );
  61
  62   // Give it an icon
  63 #ifdef __WINDOWS__
  64   frame->SetIcon(wxIcon("mondrian"));
  65 #endif
  66 #ifdef __X__
  67   frame->SetIcon(wxIcon("aiai.xbm"));
  68 #endif
  69
  70   // Make a menubar
  71   wxMenu *file_menu = new wxMenu;
  72
  73   file_menu->Append(MINIMAL_ABOUT, "&About");
  74   file_menu->Append(MINIMAL_QUIT, "E&xit");
  75   wxMenuBar *menu_bar = new wxMenuBar;
  76   menu_bar->Append(file_menu, "&File");
  77   frame->SetMenuBar(menu_bar);
  78
  79   // Make a panel with a message
  80   wxPanel *panel = new wxPanel(frame, -1, wxPoint(0, 0), wxSize(400, 200), wxTAB_TRAVERSAL);
  81
  82   wxStaticText *msg = new wxStaticText(panel, 311, "Hello!", wxPoint(10, 10), wxSize(-1, -1),
  83     0);
  84
  85   // Show the frame
  86   frame->Show(TRUE);
  87
  88   SetTopWindow(frame);
  89
  90   return TRUE;
  91 }
  92
  93 // My frame constructor
  94 MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
  95   wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
  96 {}
  97
  98 void MyFrame::OnQuit(wxCommandEvent& event)
  99 {
 100   Close(TRUE);
 101 }
 102
 103 void MyFrame::OnAbout(wxCommandEvent& event)
 104 {
 105   wxMessageDialog dialog(this, "This is a minimal sample\nA second line in the message box",
 106         "About Minimal", wxYES_NO|wxCANCEL);
 107
 108   dialog.ShowModal();
 109 }
 110
 111