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/////////////////////////////////////////////////////////////////////////////
// Name: about.cpp
// Purpose: wxHtml sample: about dialog test
// Author: ?
// Modified by:
// Created: ?
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// 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" wxWidgets 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"
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../../sample.xpm"
#endif
// ----------------------------------------------------------------------------
// 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);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
private:
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
// ----------------------------------------------------------------------------
// 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.
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
wxEND_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;
// 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;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title)
: wxFrame((wxFrame *)NULL, wxID_ANY, title)
{
SetIcon(wxICON(sample));
// create a menu bar
wxMenu *menuFile = new wxMenu;
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"));
// ... 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, wxID_ANY, wxString(_("About")));
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());
topsizer -> Add(html, 1, wxALL, 10);
#if wxUSE_STATLINE
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();
topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15);
dlg.SetSizer(topsizer);
topsizer -> Fit(&dlg);
dlg.ShowModal();
}
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