contrib/samples/xml/xmldemo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xmldemo.cpp
   3 // Purpose:     XML resources sample
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17 #ifdef __GNUG__
  18     #pragma implementation "xmldemo.cpp"
  19     #pragma interface "xmldemo.cpp"
  20 #endif
  21
  22 // For compilers that support precompilation, includes "wx/wx.h".
  23 #include "wx/wxprec.h"
  24
  25 #ifdef __BORLANDC__
  26     #pragma hdrstop
  27 #endif
  28
  29 // for all others, include the necessary headers (this file is usually all you
  30 // need because it includes almost all "standard" wxWindows headers)
  31 #ifndef WX_PRECOMP
  32     #include "wx/wx.h"
  33     #include "wx/image.h"
  34 #endif
  35
  36 #include "wx/xml/xmlres.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // resources
  40 // ----------------------------------------------------------------------------
  41 // the application icon
  42 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  43     #include "rc/appicon.xpm"
  44 #endif
  45
  46 // ----------------------------------------------------------------------------
  47 // private classes
  48 // ----------------------------------------------------------------------------
  49
  50 // Define a new application type, each program should derive a class from wxApp
  51 class MyApp : public wxApp
  52 {
  53 public:
  54     // override base class virtuals
  55     // ----------------------------
  56
  57     // this one is called on application startup and is a good place for the app
  58     // initialization (doing it here and not in the ctor allows to have an error
  59     // return: if OnInit() returns false, the application terminates)
  60     virtual bool OnInit();
  61 };
  62
  63 // Define a new frame type: this is going to be our main frame
  64 class MyFrame : public wxFrame
  65 {
  66 public:
  67     // ctor(s)
  68     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  69
  70     // event handlers (these functions should _not_ be virtual)
  71     void OnQuit(wxCommandEvent& event);
  72     void OnAbout(wxCommandEvent& event);
  73     void OnDlg1(wxCommandEvent& event);
  74     void OnDlg2(wxCommandEvent& event);
  75
  76 private:
  77     // any class wishing to process wxWindows events must use this macro
  78     DECLARE_EVENT_TABLE()
  79 };
  80
  81 // ----------------------------------------------------------------------------
  82 // event tables and other macros for wxWindows
  83 // ----------------------------------------------------------------------------
  84
  85 // the event tables connect the wxWindows events with the functions (event
  86 // handlers) which process them. It can be also done at run-time, but for the
  87 // simple menu events like this the static method is much simpler.
  88 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  89     EVT_MENU(XMLID("menu_quit"),  MyFrame::OnQuit)
  90     EVT_MENU(XMLID("menu_about"), MyFrame::OnAbout)
  91     EVT_MENU(XMLID("menu_dlg1"), MyFrame::OnDlg1)
  92     EVT_MENU(XMLID("menu_dlg2"), MyFrame::OnDlg2)
  93 END_EVENT_TABLE()
  94
  95 // Create a new application object: this macro will allow wxWindows to create
  96 // the application object during program execution (it's better than using a
  97 // static object for many reasons) and also declares the accessor function
  98 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
  99 // not wxApp)
 100 IMPLEMENT_APP(MyApp)
 101
 102 // ============================================================================
 103 // implementation
 104 // ============================================================================
 105
 106 // ----------------------------------------------------------------------------
 107 // the application class
 108 // ----------------------------------------------------------------------------
 109
 110 // 'Main program' equivalent: the program execution "starts" here
 111 bool MyApp::OnInit()
 112 {
 113     wxImage::AddHandler(new wxGIFHandler);
 114     wxTheXmlResource->InitAllHandlers();
 115     wxTheXmlResource->Load("rc/resource.xml");
 116
 117     MyFrame *frame = new MyFrame("XML resources demo",
 118                                  wxPoint(50, 50), wxSize(450, 340));
 119     frame->Show(TRUE);
 120     return TRUE;
 121 }
 122
 123 // ----------------------------------------------------------------------------
 124 // main frame
 125 // ----------------------------------------------------------------------------
 126
 127 // frame constructor
 128 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 129        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 130 {
 131     SetIcon(wxICON(appicon));
 132
 133     SetMenuBar(wxTheXmlResource->LoadMenuBar("mainmenu"));
 134     SetToolBar(wxTheXmlResource->LoadToolBar(this, "toolbar"));
 135 }
 136
 137
 138 // event handlers
 139
 140 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 141 {
 142     // TRUE is to force the frame to close
 143     Close(TRUE);
 144 }
 145
 146 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 147 {
 148     wxString msg;
 149     msg.Printf( _T("This is the about dialog of XML resources demo.\n")
 150                 _T("Welcome to %s"), wxVERSION_STRING);
 151
 152     wxMessageBox(msg, "About XML resources demo", wxOK | wxICON_INFORMATION, this);
 153 }
 154
 155 void MyFrame::OnDlg1(wxCommandEvent& WXUNUSED(event))
 156 {
 157     wxDialog dlg;
 158     wxTheXmlResource->LoadDialog(&dlg, this, "dlg1");
 159     dlg.ShowModal();
 160 }
 161
 162
 163 void MyFrame::OnDlg2(wxCommandEvent& WXUNUSED(event))
 164 {
 165     wxDialog dlg;
 166     wxTheXmlResource->LoadDialog(&dlg, this, "dlg2");
 167     dlg.ShowModal();
 168 }