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 #include "wx/clntdata.h"
  29
  30 #ifndef __WXMSW__
  31 #include "mondrian.xpm"
  32 #endif
  33
  34 // Define a new application type
  35 class MyApp: public wxApp
  36 {
  37 public:
  38     bool OnInit(void);
  39 };
  40
  41 // Define a new frame type
  42 class MyFrame: public wxFrame
  43 {
  44 public:
  45     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
  46
  47 public:
  48     void OnQuit(wxCommandEvent& event);
  49     void OnTest(wxCommandEvent& event);
  50     void OnAbout(wxCommandEvent& event);
  51
  52 protected:
  53     wxShadowObject m_shadow;
  54 };
  55
  56 // Define another new frame type
  57 class MySecondFrame: public MyFrame
  58 {
  59 public:
  60     MySecondFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
  61 };
  62
  63 // ID for the menu commands
  64 #define DYNAMIC_QUIT   wxID_EXIT
  65 #define DYNAMIC_TEST   101
  66 #define DYNAMIC_ABOUT  wxID_ABOUT
  67
  68 // Create a new application object
  69 IMPLEMENT_APP  (MyApp)
  70
  71 // `Main program' equivalent, creating windows and returning main app frame
  72 bool MyApp::OnInit(void)
  73 {
  74     // Create the main frame window
  75     MyFrame *frame = new MyFrame(NULL, _T("Dynamic wxWidgets App"), 50, 50, 450, 340);
  76
  77     // Show the frame
  78     frame->Show(true);
  79
  80     // Create the main frame window
  81     MySecondFrame *frame2 = new MySecondFrame(NULL, _T("Dynamic wxWidgets App"), 150, 150, 450, 340);
  82
  83     // Show the frame
  84     frame2->Show(true);
  85
  86     SetTopWindow(frame);
  87
  88     return true;
  89 }
  90
  91 // -------------------------------------
  92 // MyFrame
  93 // -------------------------------------
  94
  95 // Callback from wxShadowObject
  96
  97 int cb_MyFrame_InitStatusbar( void* window, void* WXUNUSED(param) )
  98 {
  99     MyFrame *frame = (MyFrame*) window;
 100     frame->SetStatusText( wxT("Hello from MyFrame"), 0 );
 101     return 0;
 102 }
 103
 104 // My frame constructor
 105 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
 106   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 107 {
 108     // Give it an icon
 109 #ifdef __WXMSW__
 110     SetIcon(wxIcon(_T("mondrian")));
 111 #else
 112     SetIcon(wxIcon(mondrian_xpm));
 113 #endif
 114
 115     // Make a menubar
 116     wxMenu *file_menu = new wxMenu;
 117
 118     file_menu->Append(DYNAMIC_ABOUT, _T("&About"));
 119     file_menu->Append(DYNAMIC_TEST, _T("&Test"));
 120     file_menu->Append(DYNAMIC_QUIT, _T("E&xit"));
 121     wxMenuBar *menu_bar = new wxMenuBar;
 122     menu_bar->Append(file_menu, _T("&File"));
 123     SetMenuBar(menu_bar);
 124
 125     // Make a panel with a message
 126     wxPanel *panel = new wxPanel(this, wxID_ANY, wxPoint(0, 0), wxSize(400, 200), wxTAB_TRAVERSAL);
 127
 128     (void)new wxStaticText(panel, 311, _T("Hello!"), wxPoint(10, 10), wxDefaultSize, 0);
 129
 130     // You used to have to do some casting for param 4, but now there are type-safe handlers
 131     Connect( DYNAMIC_QUIT,  wxID_ANY,
 132                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnQuit) );
 133     Connect( DYNAMIC_TEST, wxID_ANY,
 134                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnTest) );
 135     Connect( DYNAMIC_ABOUT, wxID_ANY,
 136                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnAbout) );
 137
 138     CreateStatusBar();
 139     m_shadow.AddMethod( wxT("OnTest"), &cb_MyFrame_InitStatusbar );
 140 }
 141
 142 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 143 {
 144     Close(true);
 145 }
 146
 147 void MyFrame::OnTest(wxCommandEvent& WXUNUSED(event) )
 148 {
 149     m_shadow.InvokeMethod( wxT("OnTest"), this, NULL, NULL );
 150 }
 151
 152 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 153 {
 154     wxMessageDialog dialog(this, _T("This demonstrates dynamic event handling"),
 155         _T("About Dynamic"), wxYES_NO|wxCANCEL);
 156
 157     dialog.ShowModal();
 158 }
 159
 160
 161 // -------------------------------------
 162 // MySecondFrame
 163 // -------------------------------------
 164
 165 // Callback from wxShadowObject
 166
 167 int cb_MySecondFrame_InitStatusbar( void* window, void* WXUNUSED(param) )
 168 {
 169     MySecondFrame *frame = (MySecondFrame*) window;
 170     frame->SetStatusText( wxT("Hello from MySecondFrame"), 0 );
 171     return 0;
 172 }
 173
 174 // My frame constructor
 175 MySecondFrame::MySecondFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
 176   MyFrame(frame, title, x, y, w, h )
 177 {
 178     m_shadow.AddMethod( wxT("OnTest"), &cb_MySecondFrame_InitStatusbar );
 179 }