///////////////////////////////////////////////////////////////////////////// // Name: test.cpp // Purpose: wxHtml testing example ///////////////////////////////////////////////////////////////////////////// #if defined(__GNUG__) && !defined(__APPLE__) #pragma implementation "test.cpp" #pragma interface "test.cpp" #endif // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #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 "wx/wx.h" #endif #include "wx/image.h" #include "wx/imagpng.h" #include "wx/wxhtml.h" #include "wx/statline.h" // ---------------------------------------------------------------------------- // 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); 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) 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() { wxImage::AddHandler(new wxPNGHandler); // Create the main application window MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"), wxPoint(50, 50), wxSize(150, 50)); // 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 // ---------------------------------------------------------------------------- // 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; menuFile->Append(Minimal_About, _("&About")); menuFile->Append(Minimal_Quit, _("E&xit")); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; menuBar->Append(menuFile, _("&File")); // ... and attach this menu bar to the frame SetMenuBar(menuBar); } // event handlers void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { // TRUE is to force the frame to close Close(TRUE); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { wxBoxSizer *topsizer; wxHtmlWindow *html; wxDialog dlg(this, -1, wxString(_("About"))); topsizer = new wxBoxSizer(wxVERTICAL); html = new wxHtmlWindow(&dlg, -1, 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(new wxStaticLine(&dlg, -1), 0, wxEXPAND | wxLEFT | wxRIGHT, 10); wxButton *bu1 = new wxButton(&dlg, wxID_OK, _("OK")); bu1 -> SetDefault(); topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15); dlg.SetAutoLayout(TRUE); dlg.SetSizer(topsizer); topsizer -> Fit(&dlg); dlg.ShowModal(); }