X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/67547666c93ec8b13239e0d371e8c5c3873a59b9..65fb4b3a4f18e1d8b58ac92d50d4cc7f81f03783:/samples/html/virtual/virtual.cpp?ds=sidebyside diff --git a/samples/html/virtual/virtual.cpp b/samples/html/virtual/virtual.cpp index 8672b7b277..58086a31d6 100644 --- a/samples/html/virtual/virtual.cpp +++ b/samples/html/virtual/virtual.cpp @@ -1,14 +1,14 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "test.cpp" - #pragma interface "test.cpp" -#endif - // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -17,14 +17,16 @@ #endif // for all others, include the necessary headers (this file is usually all you -// need because it includes almost all "standard" wxWindows headers +// need because it includes almost all "standard" wxWidgets headers #ifndef WX_PRECOMP #include "wx/wx.h" #endif - #include "wx/html/htmlwin.h" +#ifndef wxHAS_IMAGES_IN_RESOURCES + #include "../../sample.xpm" +#endif // new handler class: @@ -32,6 +34,9 @@ #include "wx/mstream.h" +// ---------------------------------------------------------------------------- +// MyVFS +// ---------------------------------------------------------------------------- class MyVFS : public wxFileSystemHandler { @@ -42,32 +47,35 @@ public: bool CanOpen(const wxString& location); }; - bool MyVFS::CanOpen(const wxString& location) { - return (GetProtocol(location) == "myVFS"); + return (GetProtocol(location) == wxT("myVFS")); } - - -wxFSFile* MyVFS::OpenFile(wxFileSystem& fs, const wxString& location) +wxFSFile* MyVFS::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) { wxFSFile *f; wxInputStream *str; - char *buf = (char*)malloc(1024); + static char buf[1024]; + const wxWX2MBbuf loc = location.ToAscii(); sprintf(buf, "

You're in Node %s

" - "Where do you want to go?

" - "sub-1
" - "sub-2
" - "sub-3
" - "
", - location.GetData(), location.GetData(), location.GetData(), location.GetData()); - - // WARNING: wxMemoryInputStream will not free buf. - // There is a memory leak here. + "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. + // This won't work as soon as there are 2+ myVFS files opened. Fortunately, + // this won't happen because wxHTML keeps only one "page" file opened at the + // time. str = new wxMemoryInputStream(buf, strlen(buf)); - f = new wxFSFile(str, location, "text/html", wxEmptyString, wxDateTime::Today()); + f = new wxFSFile(str, location, wxT("text/html"), wxEmptyString, wxDateTime::Today()); + return f; } @@ -78,100 +86,99 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& 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 OnAbout(wxCommandEvent& event); - void OnBack(wxCommandEvent& event); - void OnForward(wxCommandEvent& event); + void OnQuit(wxCommandEvent& event); + void OnBack(wxCommandEvent& event); + void OnForward(wxCommandEvent& event); - private: - // any class wishing to process wxWindows events must use this macro +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_About, - 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 wxWindows +// event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- -// the event tables connect the wxWindows events with the functions (event +// 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_About, MyFrame::OnAbout) - EVT_MENU(Minimal_Back, MyFrame::OnBack) - EVT_MENU(Minimal_Forward, MyFrame::OnForward) - 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() - { +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", - wxPoint(50, 50), wxSize(640, 480)); - - // 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); - + MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"), + wxDefaultPosition, wxSize(640, 480)); + + // Show it + frame->Show(true); + + 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 + // loop and the application will run. If we returned false here, the // application would exit immediately. - return TRUE; - } + return true; +} // ---------------------------------------------------------------------------- // main frame @@ -180,55 +187,54 @@ wxFSFile* MyVFS::OpenFile(wxFileSystem& fs, const wxString& location) wxHtmlWindow *html; // frame constructor - MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) - : wxFrame((wxFrame *)NULL, -1, 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); - - CreateStatusBar(2); - - html = new wxHtmlWindow(this); - html -> SetRelatedFrame(this, "VFS Demo: '%s'"); - html -> SetRelatedStatusBar(1); - html -> LoadPage("start.htm"); - } + SetMenuBar(menuBar); + +#if wxUSE_STATUSBAR + CreateStatusBar(2); +#endif // wxUSE_STATUSBAR + + html = new wxHtmlWindow(this); + html -> SetRelatedFrame(this, _("VFS Demo: '%s'")); +#if wxUSE_STATUSBAR + html -> SetRelatedStatusBar(1); +#endif // wxUSE_STATUSBAR + html -> LoadPage(wxT("start.htm")); +} // event handlers - void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) - { - // TRUE is to force the frame to close - Close(TRUE); - } - - void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) - { - } - - - - void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event)) - { - if (!html -> HistoryBack()) wxMessageBox("You reached prehistory era!"); - } +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!")); +} - 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!")); +}