X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e37741247336250f4460714baa43b8136cee3b96..616ad49187a53438670e4bce01e25e8030951a31:/src/html/m_layout.cpp diff --git a/src/html/m_layout.cpp b/src/html/m_layout.cpp index abd44132e9..c54b437c86 100644 --- a/src/html/m_layout.cpp +++ b/src/html/m_layout.cpp @@ -1,27 +1,23 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: m_layout.cpp +// Name: src/html/m_layout.cpp // Purpose: wxHtml module for basic paragraphs/layout handling // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation -#endif #include "wx/wxprec.h" - -#include "wx/defs.h" -#if wxUSE_HTML && wxUSE_STREAMS #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WXPRECOMP -#endif +#if wxUSE_HTML && wxUSE_STREAMS +#ifndef WX_PRECOMP + #include "wx/image.h" +#endif #include "wx/html/forcelnk.h" #include "wx/html/m_templ.h" @@ -30,8 +26,11 @@ FORCE_LINK_ME(m_layout) - -#include // bsearch() +#ifdef __WXWINCE__ + #include "wx/msw/wince/missing.h" // for bsearch() +#else + #include // bsearch() +#endif //----------------------------------------------------------------------------- // wxHtmlPageBreakCell @@ -66,73 +65,69 @@ FORCE_LINK_ME(m_layout) // array wxHtmlPrintout::m_PageBreaks of pagebreaks already set, and // set a new one only if it's not in that array. -class WXDLLEXPORT wxHtmlPageBreakCell : public wxHtmlCell +class wxHtmlPageBreakCell : public wxHtmlCell { public: wxHtmlPageBreakCell() {} bool AdjustPagebreak(int* pagebreak, - int* known_pagebreaks = NULL, - int number_of_pages = 0) const; + wxArrayInt& known_pagebreaks) const; + void Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2), - wxHtmlRenderingState& WXUNUSED(state)) {} + wxHtmlRenderingInfo& WXUNUSED(info)) {} private: - DECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell) + wxDECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell); }; -// Comparison routine for bsearch into an int* array of pagebreaks. -static int integer_compare(void const* i0, void const* i1) -{ - return *(int*)i0 - *(int*)i1; -} - -bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, int* known_pagebreaks, int number_of_pages) const +bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, wxArrayInt& known_pagebreaks) const { // When we are counting pages, 'known_pagebreaks' is non-NULL. // That's the only time we change 'pagebreak'. Otherwise, pages // were already counted, 'known_pagebreaks' is NULL, and we don't - // do anything except return FALSE. + // do anything except return false. // - // We also simply return FALSE if the 'pagebreak' argument is + // We also simply return false if the 'pagebreak' argument is // less than (vertically above) or the same as the current // vertical position. Otherwise we'd be setting a pagebreak above // the current cell, which is incorrect, or duplicating a // pagebreak that has already been set. - if(NULL == known_pagebreaks || *pagebreak <= m_PosY) - { - return FALSE; - } + if( known_pagebreaks.GetCount() == 0 || *pagebreak <= m_PosY) + { + return false; + } // m_PosY is only the vertical offset from the parent. The pagebreak // required here is the total page offset, so m_PosY must be added // to the parent's offset and height. - int total_height = m_PosY + GetParent()->GetPosY() + GetParent()->GetHeight(); + int total_height = m_PosY; + for ( wxHtmlCell *parent = GetParent(); parent; parent = parent->GetParent() ) + { + total_height += parent->GetPosY(); + } + // Search the array of pagebreaks to see whether we've already set - // a pagebreak here. The standard bsearch() function is appropriate - // because the array of pagebreaks through known_pagebreaks[number_of_pages] - // is known to be sorted in strictly increasing order. '1 + number_of_pages' - // is used as a bsearch() argument because the array contains a leading - // zero plus one element for each page. - int* where = (int*) bsearch(&total_height, known_pagebreaks, - 1 + number_of_pages, sizeof(int), - integer_compare); + // a pagebreak here. + int where = known_pagebreaks.Index( total_height); // Add a pagebreak only if there isn't one already set here. - if(NULL != where) - { - return FALSE; - } + if( wxNOT_FOUND != where) + { + return false; + } else - { + { *pagebreak = m_PosY; - return TRUE; - } + return true; + } } + + TAG_HANDLER_BEGIN(P, "P") + TAG_HANDLER_CONSTR(P) { } TAG_HANDLER_PROC(tag) { @@ -143,7 +138,7 @@ TAG_HANDLER_BEGIN(P, "P") } m_WParser->GetContainer()->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP); m_WParser->GetContainer()->SetAlign(tag); - return FALSE; + return false; } TAG_HANDLER_END(P) @@ -151,6 +146,7 @@ TAG_HANDLER_END(P) TAG_HANDLER_BEGIN(BR, "BR") + TAG_HANDLER_CONSTR(BR) { } TAG_HANDLER_PROC(tag) { @@ -162,7 +158,7 @@ TAG_HANDLER_BEGIN(BR, "BR") c->SetAlignHor(al); c->SetAlign(tag); c->SetMinHeight(m_WParser->GetCharHeight()); - return FALSE; + return false; } TAG_HANDLER_END(BR) @@ -170,6 +166,7 @@ TAG_HANDLER_END(BR) TAG_HANDLER_BEGIN(CENTER, "CENTER") + TAG_HANDLER_CONSTR(CENTER) { } TAG_HANDLER_PROC(tag) { @@ -198,9 +195,9 @@ TAG_HANDLER_BEGIN(CENTER, "CENTER") else c->SetAlignHor(old); - return TRUE; + return true; } - else return FALSE; + else return false; } TAG_HANDLER_END(CENTER) @@ -208,23 +205,24 @@ TAG_HANDLER_END(CENTER) TAG_HANDLER_BEGIN(DIV, "DIV") + TAG_HANDLER_CONSTR(DIV) { } TAG_HANDLER_PROC(tag) { if(tag.HasParam(wxT("STYLE"))) { - if(tag.GetParam(wxT("STYLE")).IsSameAs(wxT("PAGE-BREAK-BEFORE:ALWAYS"), FALSE)) + if(tag.GetParam(wxT("STYLE")).IsSameAs(wxT("PAGE-BREAK-BEFORE:ALWAYS"), false)) { m_WParser->CloseContainer(); m_WParser->OpenContainer()->InsertCell(new wxHtmlPageBreakCell); m_WParser->CloseContainer(); m_WParser->OpenContainer(); - return FALSE; + return false; } else { // Treat other STYLE parameters here when they're supported. - return FALSE; + return false; } } else if(tag.HasParam(wxT("ALIGN"))) @@ -256,11 +254,20 @@ TAG_HANDLER_BEGIN(DIV, "DIV") else c->SetAlignHor(old); - return TRUE; + return true; } else { - return FALSE; + // Same as BR + int al = m_WParser->GetContainer()->GetAlignHor(); + wxHtmlContainerCell *c; + + m_WParser->CloseContainer(); + c = m_WParser->OpenContainer(); + c->SetAlignHor(al); + c->SetAlign(tag); + c->SetMinHeight(m_WParser->GetCharHeight()); + return false; } } @@ -270,20 +277,28 @@ TAG_HANDLER_END(DIV) TAG_HANDLER_BEGIN(TITLE, "TITLE") + TAG_HANDLER_CONSTR(TITLE) { } TAG_HANDLER_PROC(tag) { - if (m_WParser->GetWindow()) + wxHtmlWindowInterface *winIface = m_WParser->GetWindowInterface(); + if (winIface) { - wxHtmlWindow *wfr = (wxHtmlWindow*)(m_WParser->GetWindow()); - if (wfr) + wxString title(tag.GetBeginIter(), tag.GetEndIter1()); +#if !wxUSE_UNICODE + const wxFontEncoding enc = m_WParser->GetInputEncoding(); + if ( enc != wxFONTENCODING_DEFAULT ) { - const wxString& src = *m_WParser->GetSource(); - wfr->OnSetTitle(src.Mid(tag.GetBeginPos(), - tag.GetEndPos1()-tag.GetBeginPos())); + // need to convert to the current one + title = wxString(title.wc_str(wxCSConv(enc)), wxConvLocal); } +#endif // !wxUSE_UNICODE + + title = m_WParser->GetEntitiesParser()->Parse(title); + + winIface->SetHTMLWindowTitle(title); } - return TRUE; + return true; } TAG_HANDLER_END(TITLE) @@ -292,6 +307,7 @@ TAG_HANDLER_END(TITLE) TAG_HANDLER_BEGIN(BODY, "BODY") + TAG_HANDLER_CONSTR(BODY) { } TAG_HANDLER_PROC(tag) { @@ -306,14 +322,40 @@ TAG_HANDLER_BEGIN(BODY, "BODY") if (tag.GetParamAsColour(wxT("LINK"), &clr)) m_WParser->SetLinkColor(clr); + wxHtmlWindowInterface *winIface = m_WParser->GetWindowInterface(); + // the rest of this function requires a window: + if ( !winIface ) + return false; + + if (tag.HasParam(wxT("BACKGROUND"))) + { + wxFSFile *fileBgImage = m_WParser->OpenURL + ( + wxHTML_URL_IMAGE, + tag.GetParam(wxT("BACKGROUND")) + ); + if ( fileBgImage ) + { + wxInputStream *is = fileBgImage->GetStream(); + if ( is ) + { + wxImage image(*is); + if ( image.IsOk() ) + winIface->SetHTMLBackgroundImage(image); + } + + delete fileBgImage; + } + } + if (tag.GetParamAsColour(wxT("BGCOLOR"), &clr)) { m_WParser->GetContainer()->InsertCell( new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND)); - if (m_WParser->GetWindow() != NULL) - m_WParser->GetWindow()->SetBackgroundColour(clr); + winIface->SetHTMLBackgroundColour(clr); } - return FALSE; + + return false; } TAG_HANDLER_END(BODY) @@ -321,6 +363,7 @@ TAG_HANDLER_END(BODY) TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE") + TAG_HANDLER_CONSTR(BLOCKQUOTE) { } TAG_HANDLER_PROC(tag) { @@ -341,17 +384,56 @@ TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE") c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_BOTTOM); m_WParser->CloseContainer(); m_WParser->OpenContainer(); - return TRUE; + return true; } TAG_HANDLER_END(BLOCKQUOTE) +TAG_HANDLER_BEGIN(SUBSUP, "SUB,SUP") + + TAG_HANDLER_PROC(tag) + { + bool issub = (tag.GetName() == wxT("SUB")); + wxHtmlScriptMode oldmode = m_WParser->GetScriptMode(); + int oldbase = m_WParser->GetScriptBaseline(); + int oldsize = m_WParser->GetFontSize(); + + wxHtmlContainerCell *cont = m_WParser->GetContainer(); + wxHtmlCell *c = cont->GetLastChild(); + + m_WParser->SetScriptMode(issub ? wxHTML_SCRIPT_SUB : wxHTML_SCRIPT_SUP); + m_WParser->SetScriptBaseline( + oldbase + c ? c->GetScriptBaseline() : 0); + + // select smaller font + m_WParser->SetFontSize(m_WParser->GetFontSize()-2); + cont->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont())); + + ParseInner(tag); + + // restore font size + m_WParser->SetFontSize(oldsize); + m_WParser->GetContainer()->InsertCell( + new wxHtmlFontCell(m_WParser->CreateCurrentFont())); + + // restore base and alignment + m_WParser->SetScriptBaseline(oldbase); + m_WParser->SetScriptMode(oldmode); + + return true; + } + +TAG_HANDLER_END(SUBSUP) + + // Tag handler for tags that we have to ignore, otherwise non-text data // would show up as text: TAG_HANDLER_BEGIN(DoNothing, "SCRIPT") - TAG_HANDLER_PROC(tag) + TAG_HANDLER_CONSTR(DoNothing) { } + + TAG_HANDLER_PROC(WXUNUSED(tag)) { return true; } @@ -359,6 +441,8 @@ TAG_HANDLER_END(DoNothing) + + TAGS_MODULE_BEGIN(Layout) TAGS_MODULE_ADD(P) @@ -368,6 +452,7 @@ TAGS_MODULE_BEGIN(Layout) TAGS_MODULE_ADD(TITLE) TAGS_MODULE_ADD(BODY) TAGS_MODULE_ADD(BLOCKQUOTE) + TAGS_MODULE_ADD(SUBSUP) TAGS_MODULE_ADD(DoNothing) TAGS_MODULE_END(Layout)