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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2963 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/html/about/about.cpp

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+/////////////////////////////////////////////////////////////////////////////
+// Name:        test.cpp
+// Purpose:     wxHtml testing example
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+    #pragma implementation "test.cpp"
+    #pragma interface "test.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>
+#endif
+
+#include <wx/image.h>
+#include <wx/wxhtml.h>
+
+// ----------------------------------------------------------------------------
+// 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);
+
+   private:
+    // any class wishing to process wxWindows events must use this macro
+    DECLARE_EVENT_TABLE()
+   };
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+   enum
+   {
+    // menu items
+   Minimal_Quit = 1,
+   Minimal_About,
+   Minimal_Back,
+   Minimal_Forward,
+   
+    // controls start here (the numbers are, of course, arbitrary)
+   Minimal_Text = 1000,
+   };
+
+// ----------------------------------------------------------------------------
+// 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(Minimal_Quit,  MyFrame::OnQuit)
+   EVT_MENU(Minimal_About, MyFrame::OnAbout)
+   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 wxPNGHandler);
+    // Create the main application window
+      MyFrame *frame = new MyFrame("wxHtmlWindow testing application",
+         wxPoint(50, 50), wxSize(150, 50));
+   
+    // Show it and tell the application that it's our main window
+    // @@@ what does it do exactly, in fact? is it necessary here?
+      frame->Show(TRUE);
+      SetTopWindow(frame);
+
+
+    // success: wxApp::OnRun() will be called which will enter the main message
+    // loop and the application will run. If we returned FALSE here, the
+    // application would exit immediately.
+      return TRUE;
+   }
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+
+// frame constructor
+   MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+   : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+   {
+    // create a menu bar
+      wxMenu *menuFile = new wxMenu;
+
+      menuFile->Append(Minimal_About, "&About");
+      menuFile->Append(Minimal_Quit, "E&xit");
+
+    // now append the freshly created menu to the menu bar...
+      wxMenuBar *menuBar = new wxMenuBar;
+      menuBar->Append(menuFile, "&File");
+
+    // ... and attach this menu bar to the frame
+      SetMenuBar(menuBar);
+   }
+
+
+// event handlers
+
+   void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+   {
+    // TRUE is to force the frame to close
+      Close(TRUE);
+   }
+
+   void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+   {
+        wxHtmlWindow *html;
+        wxDialog dlg(this, -1, "About", wxDefaultPosition, wxSize(400, 230), wxDIALOG_MODAL | wxDEFAULT_DIALOG_STYLE);
+
+        html = new wxHtmlWindow(&dlg, -1, wxPoint(10, 10), wxSize(380, 160), "htmlWindow", FALSE);
+        html -> SetBorders(0);
+        html -> LoadPage("data/about.htm");
+        wxButton *bu1 = new wxButton(&dlg, wxID_OK, "OK", wxPoint(250, 185), wxSize(100, 30));
+        bu1 -> SetDefault();
+        dlg.ShowModal();
+    }
+
+
+
+
+
+
+