added XML resources sample

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8399 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/samples/xml/xmldemo.cpp

@@ -0,0 +1,168 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        xmldemo.cpp
+// Purpose:     XML resources sample
+// Author:      Vaclav Slavik
+// RCS-ID:      $Id$
+// Copyright:   (c) Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+#ifdef __GNUG__
+    #pragma implementation "xmldemo.cpp"
+    #pragma interface "xmldemo.cpp"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers (this file is usually all you
+// need because it includes almost all "standard" wxWindows headers)
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+    #include "wx/image.h"
+#endif
+
+#include "wx/xml/xmlres.h"
+
+// ----------------------------------------------------------------------------
+// resources
+// ----------------------------------------------------------------------------
+// the application icon
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+    #include "rc/appicon.xpm"
+#endif
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// Define a new application type, each program should derive a class from wxApp
+class MyApp : public wxApp
+{
+public:
+    // override base class virtuals
+    // ----------------------------
+
+    // this one is called on application startup and is a good place for the app
+    // initialization (doing it here and not in the ctor allows to have an error
+    // return: if OnInit() returns false, the application terminates)
+    virtual bool OnInit();
+};
+
+// Define a new frame type: this is going to be our main frame
+class MyFrame : public wxFrame
+{
+public:
+    // ctor(s)
+    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+
+    // event handlers (these functions should _not_ be virtual)
+    void OnQuit(wxCommandEvent& event);
+    void OnAbout(wxCommandEvent& event);
+    void OnDlg1(wxCommandEvent& event);
+    void OnDlg2(wxCommandEvent& event);
+
+private:
+    // any class wishing to process wxWindows events must use this macro
+    DECLARE_EVENT_TABLE()
+};
+
+// ----------------------------------------------------------------------------
+// event tables and other macros for wxWindows
+// ----------------------------------------------------------------------------
+
+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them. It can be also done at run-time, but for the
+// simple menu events like this the static method is much simpler.
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU(XMLID("menu_quit"),  MyFrame::OnQuit)
+    EVT_MENU(XMLID("menu_about"), MyFrame::OnAbout)
+    EVT_MENU(XMLID("menu_dlg1"), MyFrame::OnDlg1)
+    EVT_MENU(XMLID("menu_dlg2"), MyFrame::OnDlg2)
+END_EVENT_TABLE()
+
+// Create a new application object: this macro will allow wxWindows to create
+// the application object during program execution (it's better than using a
+// static object for many reasons) and also declares the accessor function
+// wxGetApp() which will return the reference of the right type (i.e. MyApp and
+// not wxApp)
+IMPLEMENT_APP(MyApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// 'Main program' equivalent: the program execution "starts" here
+bool MyApp::OnInit()
+{
+    wxImage::AddHandler(new wxGIFHandler);
+    wxTheXmlResource->InitAllHandlers();
+    wxTheXmlResource->Load("rc/resource.xml");
+
+    MyFrame *frame = new MyFrame("XML resources demo",
+                                 wxPoint(50, 50), wxSize(450, 340));
+    frame->Show(TRUE);
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+// frame constructor
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+       : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+{
+    SetIcon(wxICON(appicon));
+
+    SetMenuBar(wxTheXmlResource->LoadMenuBar("mainmenu"));
+    SetToolBar(wxTheXmlResource->LoadToolBar(this, "toolbar"));
+}
+
+
+// event handlers
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+    // TRUE is to force the frame to close
+    Close(TRUE);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+    wxString msg;
+    msg.Printf( _T("This is the about dialog of XML resources demo.\n")
+                _T("Welcome to %s"), wxVERSION_STRING);
+
+    wxMessageBox(msg, "About XML resources demo", wxOK | wxICON_INFORMATION, this);
+}
+
+void MyFrame::OnDlg1(wxCommandEvent& WXUNUSED(event))
+{
+    wxDialog dlg;
+    wxTheXmlResource->LoadDialog(&dlg, this, "dlg1");
+    dlg.ShowModal();
+}
+
+
+void MyFrame::OnDlg2(wxCommandEvent& WXUNUSED(event))
+{
+    wxDialog dlg;
+    wxTheXmlResource->LoadDialog(&dlg, this, "dlg2");
+    dlg.ShowModal();
+}