X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..6cd674726b8ae173a567410b03bfa94423c69926:/samples/html/about/about.cpp diff --git a/samples/html/about/about.cpp b/samples/html/about/about.cpp index 0cea47afd6..9613d9890f 100644 --- a/samples/html/about/about.cpp +++ b/samples/html/about/about.cpp @@ -27,50 +27,33 @@ // 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); // event handlers (these functions should _not_ be virtual) - void OnQuit(wxCommandEvent& event); - void OnAbout(wxCommandEvent& event); + void OnQuit(wxCommandEvent& event); + void OnAbout(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_About, - Minimal_Back, - Minimal_Forward, - - // controls start here (the numbers are, of course, arbitrary) - Minimal_Text = 1000 - }; +}; // ---------------------------------------------------------------------------- // event tables and other macros for wxWidgets @@ -79,105 +62,104 @@ // 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) - 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() - { - wxImage::AddHandler(new wxPNGHandler); - // Create the main application window - MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"), - wxDefaultPosition, wxDefaultSize); +BEGIN_EVENT_TABLE(MyFrame, wxFrame) + EVT_MENU(wxID_ABOUT, MyFrame::OnAbout) + EVT_MENU(wxID_EXIT, MyFrame::OnQuit) +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 +// ============================================================================ - // 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); +// ---------------------------------------------------------------------------- +// the application class +// ---------------------------------------------------------------------------- + +// `Main program' equivalent: the program execution "starts" here +bool MyApp::OnInit() +{ + if ( !wxApp::OnInit() ) + return false; + // we use a PNG image in our HTML page + wxImage::AddHandler(new wxPNGHandler); + + // create and show the main application window + MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application")); + frame->Show(); // 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 // ---------------------------------------------------------------------------- - // 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) + : wxFrame((wxFrame *)NULL, wxID_ANY, title) +{ // create a menu bar - wxMenu *menuFile = new wxMenu; + wxMenu *menuFile = new wxMenu; - menuFile->Append(Minimal_About, _("&About")); - menuFile->Append(Minimal_Quit, _("E&xit")); + menuFile->Append(wxID_ABOUT); + menuFile->Append(wxID_EXIT); // now append the freshly created menu to the menu bar... - wxMenuBar *menuBar = new wxMenuBar; - menuBar->Append(menuFile, _("&File")); + wxMenuBar *menuBar = new wxMenuBar; + menuBar->Append(menuFile, _("&File")); // ... and attach this menu bar to the frame - SetMenuBar(menuBar); - } + SetMenuBar(menuBar); +} // event handlers - void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) - { +void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) +{ // true is to force the frame to close - Close(true); - } + Close(true); +} - void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) - { - wxBoxSizer *topsizer; - wxHtmlWindow *html; - wxDialog dlg(this, wxID_ANY, wxString(_("About"))); +void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) +{ + wxBoxSizer *topsizer; + wxHtmlWindow *html; + wxDialog dlg(this, wxID_ANY, wxString(_("About"))); - topsizer = new wxBoxSizer(wxVERTICAL); + topsizer = new wxBoxSizer(wxVERTICAL); - html = new wxHtmlWindow(&dlg, wxID_ANY, wxDefaultPosition, wxSize(380, 160), wxHW_SCROLLBAR_NEVER); - html -> SetBorders(0); - html -> LoadPage(wxT("data/about.htm")); - html -> SetSize(html -> GetInternalRepresentation() -> GetWidth(), - html -> GetInternalRepresentation() -> GetHeight()); + html = new wxHtmlWindow(&dlg, wxID_ANY, wxDefaultPosition, wxSize(380, 160), wxHW_SCROLLBAR_NEVER); + html -> SetBorders(0); + html -> LoadPage(wxT("data/about.htm")); + html -> SetSize(html -> GetInternalRepresentation() -> GetWidth(), + html -> GetInternalRepresentation() -> GetHeight()); - topsizer -> Add(html, 1, wxALL, 10); + topsizer -> Add(html, 1, wxALL, 10); #if wxUSE_STATLINE - topsizer -> Add(new wxStaticLine(&dlg, wxID_ANY), 0, wxEXPAND | wxLEFT | wxRIGHT, 10); + topsizer -> Add(new wxStaticLine(&dlg, wxID_ANY), 0, wxEXPAND | wxLEFT | wxRIGHT, 10); #endif // wxUSE_STATLINE - wxButton *bu1 = new wxButton(&dlg, wxID_OK, _("OK")); - bu1 -> SetDefault(); + wxButton *bu1 = new wxButton(&dlg, wxID_OK, _("OK")); + bu1 -> SetDefault(); - topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15); + topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15); - dlg.SetSizer(topsizer); - topsizer -> Fit(&dlg); + dlg.SetSizer(topsizer); + topsizer -> Fit(&dlg); - dlg.ShowModal(); - } + dlg.ShowModal(); +}