///////////////////////////////////////////////////////////////////////////// // Name: virtua;.cpp // Purpose: wxHtml testing example // demonstrates virtual file systems feature ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation "test.cpp" #pragma interface "test.cpp" #endif // For compilers that support precompilation, includes "wx/wx.h". #include #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 #endif #include /* TAG HANDER FOR 'MYBIND' TAG */ #include TAG_HANDLER_BEGIN(MYBIND, "MYBIND") TAG_HANDLER_PROC(tag) { wxWindow *wnd; int ax, ay; int fl = 0; tag.ScanParam("X", "%i", &ax); tag.ScanParam("Y", "%i", &ay); if (tag.HasParam("FLOAT")) fl = ax; wnd = new wxTextCtrl( m_WParser -> GetWindow(), -1, tag.GetParam("NAME"), wxPoint(0,0), wxSize(ax, ay), wxTE_MULTILINE ); wnd -> Show(TRUE); m_WParser -> OpenContainer() -> InsertCell(new wxHtmlWidgetCell(wnd, fl)); return FALSE; } TAG_HANDLER_END(MYBIND) TAGS_MODULE_BEGIN(MyBind) TAGS_MODULE_ADD(MYBIND) TAGS_MODULE_END(MyBind) // ---------------------------------------------------------------------------- // 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 OnBack(wxCommandEvent& event); void OnForward(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) 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() { // 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); // 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 // ---------------------------------------------------------------------------- wxHtmlWindow *html; // 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; wxMenu *menuNav = new wxMenu; 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"); // ... and attach this menu bar to the frame SetMenuBar(menuBar); CreateStatusBar(1); html = new wxHtmlWindow(this); html -> SetRelatedFrame(this, "VFS Demo: '%s'"); html -> SetRelatedStatusBar(1); html -> LoadPage("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::OnForward(wxCommandEvent& WXUNUSED(event)) { if (!html -> HistoryForward()) wxMessageBox("No more items in history!"); }