wxWidgets/samples/html/zip/zip.cpp
Włodzimierz Skiba 8520f1374c Fixes for wxUSE_STATUSBAR.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28310 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-07-19 15:36:01 +00:00

186 lines
5.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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" wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/image.h"
#include "wx/html/htmlwin.h"
#include "wx/fs_zip.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 OnBack(wxCommandEvent& event);
void OnForward(wxCommandEvent& event);
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_Back,
Minimal_Forward
};
// ----------------------------------------------------------------------------
// 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_Back, MyFrame::OnBack)
EVT_MENU(Minimal_Forward, MyFrame::OnForward)
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()
{
#if wxUSE_LIBPNG
wxImage::AddHandler(new wxPNGHandler);
#endif
#if wxUSE_LIBJPEG
wxImage::AddHandler(new wxJPEGHandler);
#endif
wxFileSystem::AddHandler(new wxZipFSHandler);
// Create the main application window
MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"),
wxDefaultPosition, 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, wxID_ANY, 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);
#if wxUSE_STATUSBAR
CreateStatusBar(1);
#endif // wxUSE_STATUSBAR
html = new wxHtmlWindow(this);
html -> SetRelatedFrame(this, _("HTML : %s"));
#if wxUSE_STATUSBAR
html -> SetRelatedStatusBar(0);
#endif // wxUSE_STATUSBAR
html -> LoadPage(wxT("start.htm"));
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
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!"));
}