change to make wxHtmlHelp more flexible; don't panic if an empty

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

/////////////////////////////////////////////////////////////////////////////
// Name:        mod_fonts.cpp
// Purpose:     wxHtml module for fonts & colors of fonts
// Author:      Vaclav Slavik
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

#include <wx/wxprec.h>

#include "wx/defs.h"
#if wxUSE_HTML

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include <wx/wx.h>
#endif

#include <wx/html/forcelink.h>
#include <wx/html/mod_templ.h>

FORCE_LINK_ME(mod_fonts)


TAG_HANDLER_BEGIN(FONT, "FONT")

    TAG_HANDLER_PROC(tag)
    {
        wxColour oldclr = m_WParser -> GetActualColor();
        int oldsize = m_WParser -> GetFontSize();

        if (tag.HasParam("COLOR")) {
	    unsigned long tmp = 0; 
            wxColour clr;
            if (tag.ScanParam("COLOR", "#%lX", &tmp) == 1) {
                clr = wxColour((tmp & 0xFF0000) >> 16 , (tmp & 0x00FF00) >> 8, (tmp & 0x0000FF));
                m_WParser -> SetActualColor(clr);
                m_WParser -> GetContainer() -> InsertCell(new wxHtmlColourCell(clr));
	    }
        }

        if (tag.HasParam("SIZE")) {
	    long tmp = 0;
            if (tag.ScanParam("SIZE", "%li", &tmp) == 1) {
                m_WParser -> SetFontSize(oldsize+tmp);
                m_WParser -> GetContainer() -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));
	    }
        }

        ParseInner(tag);

        if (oldclr != m_WParser -> GetActualColor()) {
            m_WParser -> SetActualColor(oldclr);
            m_WParser -> GetContainer() -> InsertCell(new wxHtmlColourCell(oldclr));
        }
        if (oldsize != m_WParser -> GetFontSize()) {
            m_WParser -> SetFontSize(oldsize);
            m_WParser -> GetContainer() -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));
        }
        return TRUE;
    }

TAG_HANDLER_END(FONT)


TAG_HANDLER_BEGIN(FACES, "U,I,B,TT")

    TAG_HANDLER_PROC(tag)
    {
        int fixed = m_WParser -> GetFontFixed(),
            italic = m_WParser -> GetFontItalic(),
            underlined = m_WParser -> GetFontUnderlined(),
            bold = m_WParser -> GetFontBold();

        if (tag.GetName() == "U")
            m_WParser -> SetFontUnderlined(TRUE);
        else if (tag.GetName() == "B")
            m_WParser -> SetFontBold(TRUE);
        else if (tag.GetName() == "I")
            m_WParser -> SetFontItalic(TRUE);
        else
            m_WParser -> SetFontFixed(TRUE);
        m_WParser -> GetContainer() -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));

        ParseInner(tag);

        m_WParser -> SetFontUnderlined(underlined);
        m_WParser -> SetFontBold(bold);
        m_WParser -> SetFontItalic(italic);
        m_WParser -> SetFontFixed(fixed);
        m_WParser -> GetContainer() -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));
        return TRUE;
    }

TAG_HANDLER_END(FACES)





TAG_HANDLER_BEGIN(Hx, "H1,H2,H3,H4,H5,H6")

    TAG_HANDLER_PROC(tag)
    {
        int old_size, old_b, old_i, old_u, old_f, old_al;
        wxHtmlContainerCell *c;

        old_size = m_WParser -> GetFontSize();
        old_b = m_WParser -> GetFontBold();
        old_i = m_WParser -> GetFontItalic();
        old_u = m_WParser -> GetFontUnderlined();
        old_f = m_WParser -> GetFontFixed();
        old_al = m_WParser -> GetAlign();

        m_WParser -> SetFontBold(TRUE);
        m_WParser -> SetFontItalic(FALSE);
        m_WParser -> SetFontUnderlined(FALSE);
        m_WParser -> SetFontFixed(FALSE);

             if (tag.GetName() == "H1")
                m_WParser -> SetFontSize(+4);
        else if (tag.GetName() == "H2")
                m_WParser -> SetFontSize(+3);
        else if (tag.GetName() == "H3")
                m_WParser -> SetFontSize(+2);
        else if (tag.GetName() == "H4") {
                m_WParser -> SetFontSize(+2);
                m_WParser -> SetFontItalic(TRUE);
                m_WParser -> SetFontBold(FALSE);
        }
        else if (tag.GetName() == "H5")
                m_WParser -> SetFontSize(+1);
        else if (tag.GetName() == "H6") {
                m_WParser -> SetFontSize(+1);
                m_WParser -> SetFontItalic(TRUE);
                m_WParser -> SetFontBold(FALSE);
        }

        c = m_WParser -> GetContainer();
        if (c -> GetFirstCell()) {
            m_WParser -> CloseContainer();
            m_WParser -> OpenContainer();
            c = m_WParser -> GetContainer();
        }
        c = m_WParser -> GetContainer();

        c -> SetAlign(tag);
        c -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));
        c -> SetIndent(m_WParser -> GetCharHeight(), HTML_INDENT_TOP);
        m_WParser -> SetAlign(c -> GetAlignHor());

        ParseInner(tag);

        m_WParser -> SetFontSize(old_size);
        m_WParser -> SetFontBold(old_b);
        m_WParser -> SetFontItalic(old_i);
        m_WParser -> SetFontUnderlined(old_u);
        m_WParser -> SetFontFixed(old_f);
        m_WParser -> SetAlign(old_al);

        m_WParser -> GetContainer() -> InsertCell(new wxHtmlFontCell(m_WParser -> CreateCurrentFont()));
        m_WParser -> CloseContainer();
        m_WParser -> OpenContainer();
        c = m_WParser -> GetContainer();
        c -> SetIndent(m_WParser -> GetCharHeight(), HTML_INDENT_TOP);

        return TRUE;
    }

TAG_HANDLER_END(Hx)




TAGS_MODULE_BEGIN(Fonts)

    TAGS_MODULE_ADD(FONT)
    TAGS_MODULE_ADD(FACES)
    TAGS_MODULE_ADD(Hx)

TAGS_MODULE_END(Fonts)


#endif