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preserve TAB characters when copying HTML <pre> content to clipboard

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53282 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2008-04-21 10:46:30 +00:00
parent 1e24c2af0f
commit 6a603a10e7
5 changed files with 298 additions and 119 deletions
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48
src/html/m_pre.cpp
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@@ -28,40 +28,28 @@
FORCE_LINK_ME(m_pre)
// replaces '\t', ' ' and '\n' with HTML markup:
static wxString LINKAGEMODE HtmlizeWhitespaces(const wxString& str)
static wxString LINKAGEMODE HtmlizeLinebreaks(const wxString& str)
{
wxString out;
out.reserve(str.length()); // we'll certainly need at least that
size_t len = str.Len();
size_t linepos = 0;
for (size_t i = 0; i < len; i++)
{
switch ( str[i].GetValue() )
{
case wxT('<'):
while (i < len && str[i] != wxT('>'))
case '<':
while (i < len && str[i] != '>')
{
out << str[i++];
}
out << wxT('>');
out << '>';
break;
case wxT(' '):
out << wxT("&nbsp;");
linepos++;
break;
case wxT('\n'):
out << wxT("<br>");
linepos = 0;
break;
case wxT('\t'):
{
for (size_t j = 8 - linepos % 8; j > 0; j--)
out << wxT("&nbsp;");
linepos += 8 - linepos % 8;
}
case '\n':
out << "<br>";
break;
default:
out << str[i];
linepos++;
break;
}
}
@@ -81,13 +69,16 @@ TAG_HANDLER_BEGIN(PRE, "PRE")
{
wxHtmlContainerCell *c;
int fixed = m_WParser->GetFontFixed(),
italic = m_WParser->GetFontItalic(),
underlined = m_WParser->GetFontUnderlined(),
bold = m_WParser->GetFontBold(),
fsize = m_WParser->GetFontSize();
const int fixed = m_WParser->GetFontFixed();
const int italic = m_WParser->GetFontItalic();
const int underlined = m_WParser->GetFontUnderlined();
const int bold = m_WParser->GetFontBold();
const int fsize = m_WParser->GetFontSize();
const wxHtmlWinParser::WhitespaceMode whitespace =
m_WParser->GetWhitespaceMode();
c = m_WParser->GetContainer();
m_WParser->SetWhitespaceMode(wxHtmlWinParser::Whitespace_Pre);
m_WParser->SetFontUnderlined(false);
m_WParser->SetFontBold(false);
m_WParser->SetFontItalic(false);
@@ -103,12 +94,17 @@ TAG_HANDLER_BEGIN(PRE, "PRE")
c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
wxString srcMid = m_WParser->GetInnerSource(tag);
ParseInnerSource(HtmlizeWhitespaces(srcMid));
// setting Whitespace_Pre mode takes care of spaces and TABs, but
// not linebreaks, so we have to translate them into <br> by
// calling HtmlizeLinebreaks() here
ParseInnerSource(HtmlizeLinebreaks(srcMid));
m_WParser->CloseContainer();
m_WParser->CloseContainer();
c = m_WParser->OpenContainer();
m_WParser->SetWhitespaceMode(whitespace);
m_WParser->SetFontUnderlined(underlined);
m_WParser->SetFontBold(bold);
m_WParser->SetFontItalic(italic);