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Add support for loading external lexers to wxStyledTextCtrl

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Implement Scintilla DynamicLibraryImpl and generate LoadLexerLibrary() and
GetLexerLanguage().

Closes #17480.
This commit is contained in:
New Pagodi
2016-04-03 15:38:54 +02:00
committed by Vadim Zeitlin
parent ae1a332d1f
commit a6e249ea1a
6 changed files with 86 additions and 6 deletions
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20
src/stc/stc.cpp
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@@ -4365,6 +4365,12 @@ void wxStyledTextCtrl::SetLexerLanguage(const wxString& language)
SendMsg(SCI_SETLEXERLANGUAGE, 0, (sptr_t)(const char*)wx2stc(language));
}
// Load a lexer library (dll / so).
void wxStyledTextCtrl::LoadLexerLibrary(const wxString& path)
{
SendMsg(SCI_LOADLEXERLIBRARY, 0, (sptr_t)(const char*)wx2stc(path));
}
// Retrieve a 'property' value previously set with SetProperty.
wxString wxStyledTextCtrl::GetProperty(const wxString& key) {
int len = SendMsg(SCI_GETPROPERTY, (sptr_t)(const char*)wx2stc(key), 0);
@@ -4405,6 +4411,20 @@ int wxStyledTextCtrl::GetStyleBitsNeeded() const
return SendMsg(SCI_GETSTYLEBITSNEEDED, 0, 0);
}
// Retrieve the lexing language of the document.
wxString wxStyledTextCtrl::GetLexerLanguage() const {
const int msg = SCI_GETLEXERLANGUAGE;
int len = SendMsg(msg, 0, (sptr_t)NULL);
if (!len) return wxEmptyString;
wxMemoryBuffer mbuf(len+1);
char* buf = (char*)mbuf.GetWriteBuf(len+1);
SendMsg(msg, 0, (sptr_t)buf);
mbuf.UngetWriteBuf(len);
mbuf.AppendByte(0);
return stc2wx(buf);
}
// For private communication between an application and a known lexer.
void* wxStyledTextCtrl::PrivateLexerCall(int operation, void* pointer) {
return (void*)(sptr_t)SendMsg(SCI_PRIVATELEXERCALL, operation, (sptr_t)pointer);