/////////////////////////////////////////////////////////////////////////////
-// Name: virtua;.cpp
-// Purpose: wxHtml testing example
-// demonstrates virtual file systems feature
+// Name: virtual.cpp
+// Purpose: wxHtml sample: demonstrates virtual file systems feature
+// Author: ?
+// Modified by:
+// Created: ?
+// RCS-ID: $Id$
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wx.h"
#endif
-
#include "wx/html/htmlwin.h"
+#ifndef __WXMSW__
+ #include "../../sample.xpm"
+#endif
// new handler class:
#include "wx/mstream.h"
+// ----------------------------------------------------------------------------
+// MyVFS
+// ----------------------------------------------------------------------------
class MyVFS : public wxFileSystemHandler
{
bool CanOpen(const wxString& location);
};
-
bool MyVFS::CanOpen(const wxString& location)
{
return (GetProtocol(location) == wxT("myVFS"));
}
-
-
wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
{
wxFSFile *f;
const wxWX2MBbuf loc = location.ToAscii();
sprintf(buf, "<html><body><h2><i>You're in Node <u>%s</u></i></h2><p>"
-
"Where do you want to go?<br><blockquote>"
-
"<a href=\"%s-1\">sub-1</a><br>"
-
"<a href=\"%s-2\">sub-2</a><br>"
-
"<a href=\"%s-3\">sub-3</a><br>"
- "</blockquote></body></html>",
- (const char*)loc, (const char*)loc, (const char*)loc,
- (const char*)loc);
+ "Where do you want to go?<br><blockquote>"
+ "<a href=\"%s-1\">sub-1</a><br>"
+ "<a href=\"%s-2\">sub-2</a><br>"
+ "<a href=\"%s-3\">sub-3</a><br>"
+ "</blockquote></body></html>",
+ (const char*)loc, (const char*)loc, (const char*)loc,
+ (const char*)loc);
// NB: There's a terrible hack involved: we fill 'buf' with new data every
// time this method is called and return new wxMemoryInputStream pointing to it.
// time.
str = new wxMemoryInputStream(buf, strlen(buf));
f = new wxFSFile(str, location, wxT("text/html"), wxEmptyString, wxDateTime::Today());
-
+
return f;
}
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
- class MyApp : public wxApp
- {
- public:
+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();
- };
+ virtual bool OnInit();
+};
// Define a new frame type: this is going to be our main frame
- class MyFrame : public wxFrame
- {
- public:
+class MyFrame : public wxFrame
+{
+public:
// ctor(s)
- MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
-
+ MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+
// event handlers (these functions should _not_ be virtual)
- void OnQuit(wxCommandEvent& event);
- void OnBack(wxCommandEvent& event);
- void OnForward(wxCommandEvent& event);
+ void OnQuit(wxCommandEvent& event);
+ void OnBack(wxCommandEvent& event);
+ void OnForward(wxCommandEvent& event);
- private:
+private:
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
- };
+};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
- enum
- {
- // menu items
- Minimal_Quit = 1,
- Minimal_Back,
- Minimal_Forward,
-
- // controls start here (the numbers are, of course, arbitrary)
- Minimal_Text = 1000,
- };
+enum
+{
+ // menu items
+ Minimal_Quit = 1,
+ Minimal_Back,
+ Minimal_Forward,
+
+ // controls start here (the numbers are, of course, arbitrary)
+ Minimal_Text = 1000
+};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// the event tables connect the wxWidgets 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_Back, MyFrame::OnBack)
- EVT_MENU(Minimal_Forward, MyFrame::OnForward)
- END_EVENT_TABLE()
-
- // Create a new application object: this macro will allow wxWidgets 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()
- {
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
+ EVT_MENU(Minimal_Back, MyFrame::OnBack)
+ EVT_MENU(Minimal_Forward, MyFrame::OnForward)
+END_EVENT_TABLE()
+
+// Create a new application object: this macro will allow wxWidgets 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()
+{
+ if ( !wxApp::OnInit() )
+ return false;
+
// Create the main application window
- MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"),
- wxDefaultPosition, wxSize(640, 480));
+ MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"),
+ wxDefaultPosition, wxSize(640, 480));
+
+ // Show it
+ frame->Show(true);
- // 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);
- wxFileSystem::AddHandler(new MyVFS);
+ wxFileSystem::AddHandler(new MyVFS);
// 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;
- }
+ return true;
+}
// ----------------------------------------------------------------------------
// main frame
wxHtmlWindow *html;
// frame constructor
- MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
- {
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
+{
+ SetIcon(wxICON(sample));
+
// create a menu bar
- wxMenu *menuFile = new wxMenu;
- wxMenu *menuNav = new wxMenu;
+ wxMenu *menuFile = new wxMenu;
+ wxMenu *menuNav = new wxMenu;
- menuFile->Append(Minimal_Quit, _("E&xit"));
- menuNav->Append(Minimal_Back, _("Go &BACK"));
- menuNav->Append(Minimal_Forward, _("Go &FORWARD"));
+ menuFile->Append(Minimal_Quit, _("E&xit"));
+ menuNav->Append(Minimal_Back, _("Go &BACK"));
+ menuNav->Append(Minimal_Forward, _("Go &FORWARD"));
// now append the freshly created menu to the menu bar...
- wxMenuBar *menuBar = new wxMenuBar;
- menuBar->Append(menuFile, _("&File"));
- menuBar->Append(menuNav, _("&Navigate"));
+ wxMenuBar *menuBar = new wxMenuBar;
+ menuBar->Append(menuFile, _("&File"));
+ menuBar->Append(menuNav, _("&Navigate"));
// ... and attach this menu bar to the frame
- SetMenuBar(menuBar);
-
+ SetMenuBar(menuBar);
+
#if wxUSE_STATUSBAR
- CreateStatusBar(2);
+ CreateStatusBar(2);
#endif // wxUSE_STATUSBAR
- html = new wxHtmlWindow(this);
- html -> SetRelatedFrame(this, _("VFS Demo: '%s'"));
+ html = new wxHtmlWindow(this);
+ html -> SetRelatedFrame(this, _("VFS Demo: '%s'"));
#if wxUSE_STATUSBAR
- html -> SetRelatedStatusBar(1);
+ html -> SetRelatedStatusBar(1);
#endif // wxUSE_STATUSBAR
- html -> LoadPage(wxT("start.htm"));
- }
+ html -> LoadPage(wxT("start.htm"));
+}
// event handlers
- void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
- {
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
// true is to force the frame to close
- Close(true);
- }
-
- void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
- {
- if (!html -> HistoryBack()) wxMessageBox(_("You reached prehistory era!"));
- }
+ Close(true);
+}
+void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
+{
+ if (!html -> HistoryBack()) wxMessageBox(_("You reached prehistory era!"));
+}
- void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
- {
- if (!html -> HistoryForward()) wxMessageBox(_("No more items in history!"));
- }
+void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
+{
+ if (!html -> HistoryForward()) wxMessageBox(_("No more items in history!"));
+}
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