Some Motif fixes; makefile fixes; added wxTransferStreamToFile/FileToStream for wxWin

[wxWidgets.git] / src / html / helpctrl.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        helpctrl.cpp
// Purpose:     wxHtmlHelpController
// Notes:       Based on htmlhelp.cpp, implementing a monolithic
//              HTML Help controller class,  by Vaclav Slavik
// Author:      Harm van der Heijden and Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) Harm van der Heijden and Vaclav Slavik
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include "wx/defs.h"

#if wxUSE_HTML

#include "wx/html/helpctrl.h"
#include "wx/wx.h"
#include "wx/busyinfo.h"

IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpController, wxEvtHandler)

BEGIN_EVENT_TABLE(wxHtmlHelpController, wxEvtHandler)
EVT_CLOSE(wxHtmlHelpController::OnCloseFrame)
END_EVENT_TABLE()

wxHtmlHelpController::wxHtmlHelpController(int style)
{
    m_helpFrame = NULL;
    m_Config = NULL;
    m_ConfigRoot = wxEmptyString;
    m_titleFormat = _("Help: %s");
    m_FrameStyle = style;
}

wxHtmlHelpController::~wxHtmlHelpController()
{
    WriteCustomization(m_Config, m_ConfigRoot);
    if (m_helpFrame)
        DestroyHelpWindow();
}


void wxHtmlHelpController::DestroyHelpWindow()
{
    //if (m_Config) WriteCustomization(m_Config, m_ConfigRoot);
    if (m_helpFrame)
        m_helpFrame->Destroy();
}

void wxHtmlHelpController::OnCloseFrame(wxCloseEvent& evt) 
{
    evt.Skip(); 

    m_helpFrame = NULL; 
}


void wxHtmlHelpController::SetTitleFormat(const wxString& title)
{
    m_titleFormat = title;
    if (m_helpFrame)
        m_helpFrame->SetTitleFormat(title);
}


bool wxHtmlHelpController::AddBook(const wxString& book, bool show_wait_msg)
{
    wxBusyCursor cur;
#if wxUSE_BUSYINFO
    wxBusyInfo* busy = NULL;
    wxString info;
    if (show_wait_msg) {
        info.Printf(_("Adding book %s"), book.c_str());
        busy = new wxBusyInfo(info);
    }
#endif
    bool retval = m_helpData.AddBook(book);
#if wxUSE_BUSYINFO
    if (show_wait_msg)
        delete busy;
#endif 
    return retval;
}



wxHtmlHelpFrame *wxHtmlHelpController::CreateHelpFrame(wxHtmlHelpData *data)
{
    return new wxHtmlHelpFrame(data);
}


void wxHtmlHelpController::CreateHelpWindow()
{
    if (m_helpFrame) {
        m_helpFrame->Raise();
        return ;
    }

    if (m_Config == NULL) 
    {
        m_Config = wxConfigBase::Get(FALSE);
        if (m_Config != NULL)
            m_ConfigRoot = _T("wxWindows/wxHtmlHelpController");
    }

    m_helpFrame = CreateHelpFrame(&m_helpData);
    m_helpFrame->PushEventHandler(this);

    if (m_Config)
        m_helpFrame->UseConfig(m_Config, m_ConfigRoot);

    m_helpFrame->Create(NULL, wxID_HTML_HELPFRAME, wxEmptyString, m_FrameStyle);
    m_helpFrame->SetTitleFormat(m_titleFormat);
    m_helpFrame->Show(TRUE);
}

void wxHtmlHelpController::ReadCustomization(wxConfigBase* cfg, const wxString& path)
{
    /* should not be called by the user; call UseConfig, and the controller
     * will do the rest */
    if (m_helpFrame)
        m_helpFrame->ReadCustomization(cfg, path);
}

void wxHtmlHelpController::WriteCustomization(wxConfigBase* cfg, const wxString& path)
{
    /* typically called by the controllers OnCloseFrame handler */
    if (m_helpFrame)
        m_helpFrame->WriteCustomization(cfg, path);
}

void wxHtmlHelpController::UseConfig(wxConfigBase *config, const wxString& rootpath)
{
    m_Config = config;
    m_ConfigRoot = rootpath;
    if (m_helpFrame) m_helpFrame -> UseConfig(config, rootpath);
    ReadCustomization(config, rootpath);
}


#endif