// Purpose: wxHtml testing example
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation
- #pragma interface
-#endif
-
// For compilers that support precompilation, includes "wx/wx.h".
-#include <wx/wxprec.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
+// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
- #include <wx/wx.h>
+ #include "wx/wx.h"
#endif
-#include <wx/image.h>
-#include <wx/wxhtml.h>
-#if (( wxVERSION_NUMBER < 2100 ) || (( wxVERSION_NUMBER == 2100 ) && (wxBETA_NUMBER <= 4)))
-#include <wx/imaggif.h>
-#endif
-#include <wx/config.h>
+#include "wx/image.h"
+#include "wx/html/helpfrm.h"
+#include "wx/html/helpctrl.h"
+#include "wx/filesys.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
{
- private:
- wxHtmlHelpController help;
- wxConfig* config;
-
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)
- bool OnInit();
- int OnExit();
+ 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 OnHelp(wxCommandEvent& event);
+ void OnClose(wxCloseEvent& event);
+ private:
+ wxHtmlHelpController help;
+
+ // 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_Help
};
+// ----------------------------------------------------------------------------
+// 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_Help, MyFrame::OnHelp)
+ EVT_CLOSE(MyFrame::OnClose)
+ 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()
{
- config = new wxConfig("wxHTMLhelp");
- #if wxUSE_LIBPNG
- wxImage::AddHandler(new wxPNGHandler);
- #endif
- #if wxUSE_LIBJPEG
- wxImage::AddHandler(new wxJPEGHandler);
- #endif
-
- help.UseConfig(config);
- help.SetTempDir("tmp");
- help.AddBook("helpfiles/testing.hhp");
- help.Display("Main page");
- return TRUE;
+ if ( !wxApp::OnInit() )
+ return false;
+
+ wxInitAllImageHandlers();
+#if wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB
+ wxFileSystem::AddHandler(new wxZipFSHandler);
+#endif
+ SetVendorName(wxT("wxWidgets"));
+ SetAppName(wxT("wxHTMLHelp"));
+
+ // Create the main application window
+ MyFrame *frame = new MyFrame(_("HTML Help Sample"),
+ wxDefaultPosition, wxDefaultSize);
+
+ // 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;
}
-
- int MyApp::OnExit()
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+
+// frame constructor
+ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size),
+ help(wxHF_DEFAULT_STYLE | wxHF_OPEN_FILES)
+ {
+ // create a menu bar
+ wxMenu *menuFile = new wxMenu;
+
+ menuFile->Append(Minimal_Help, _("&Help"));
+ 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);
+
+ help.UseConfig(wxConfig::Get());
+ bool ret;
+ help.SetTempDir(wxT("."));
+ ret = help.AddBook(wxFileName(wxT("helpfiles/testing.hhp"), wxPATH_UNIX));
+ if (! ret)
+ wxMessageBox(wxT("Failed adding book helpfiles/testing.hhp"));
+ ret = help.AddBook(wxFileName(wxT("helpfiles/another.hhp"), wxPATH_UNIX));
+ if (! ret)
+ wxMessageBox(_("Failed adding book helpfiles/another.hhp"));
+ }
+
+
+// event handlers
+
+ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- delete config;
- return 0;
+ // true is to force the frame to close
+ Close(true);
}
+ void MyFrame::OnHelp(wxCommandEvent& WXUNUSED(event))
+ {
+ help.Display(wxT("Test HELPFILE"));
+ }
+
+ void MyFrame::OnClose(wxCloseEvent& event)
+ {
+ // Close the help frame; this will cause the config data to
+ // get written.
+ if ( help.GetFrame() ) // returns NULL if no help frame active
+ help.GetFrame()->Close(true);
+ // now we can safely delete the config pointer
+ event.Skip();
+ delete wxConfig::Set(NULL);
+ }