X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/004f4002877acc09d8bc213602f55b22bdbae345..4e15d1caa03346c126015019c1fdf093033ef40b:/samples/html/virtual/virtual.cpp diff --git a/samples/html/virtual/virtual.cpp b/samples/html/virtual/virtual.cpp index 8d5a4e91de..58086a31d6 100644 --- a/samples/html/virtual/virtual.cpp +++ b/samples/html/virtual/virtual.cpp @@ -1,7 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// 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". @@ -17,9 +22,11 @@ #include "wx/wx.h" #endif - #include "wx/html/htmlwin.h" +#ifndef wxHAS_IMAGES_IN_RESOURCES + #include "../../sample.xpm" +#endif // new handler class: @@ -27,6 +34,9 @@ #include "wx/mstream.h" +// ---------------------------------------------------------------------------- +// MyVFS +// ---------------------------------------------------------------------------- class MyVFS : public wxFileSystemHandler { @@ -37,14 +47,11 @@ public: 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; @@ -53,13 +60,13 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) const wxWX2MBbuf loc = location.ToAscii(); sprintf(buf, "

You're in Node %s

" - "Where do you want to go?

" - "sub-1
" - "sub-2
" - "sub-3
" - "
", - (const char*)loc, (const char*)loc, (const char*)loc, - (const char*)loc); + "Where do you want to go?
" + "sub-1
" + "sub-2
" + "sub-3
" + "
", + (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. @@ -68,7 +75,7 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) // time. str = new wxMemoryInputStream(buf, strlen(buf)); f = new wxFSFile(str, location, wxT("text/html"), wxEmptyString, wxDateTime::Today()); - + return f; } @@ -79,50 +86,50 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) // ---------------------------------------------------------------------------- // 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 @@ -131,45 +138,47 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) // 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 @@ -178,53 +187,54 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) 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!")); +}