// 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
// 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()
+{
+ // 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();
+}