LFUN_UNICODE_INSERT - unicode-insert

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15490 a592a061-630c-0410-9148-cb99ea01b6c8

src/LyXAction.C

@@ -363,6 +363,8 @@ void LyXAction::init()
 		{ LFUN_PARAGRAPH_MOVE_DOWN, "paragraph-move-down", Noop },
 		{ LFUN_PARAGRAPH_MOVE_UP, "paragraph-move-up", Noop },
 		{ LFUN_WINDOW_NEW, "window-new", NoBuffer },
+		{ LFUN_UNICODE_INSERT, "unicode-insert", Noop },
+		
 		{ LFUN_NOACTION, "", Noop }
 	};
 

src/lfuns.h

@@ -369,8 +369,9 @@ enum kb_action {
 	// 280
 	LFUN_INSET_DISSOLVE,                 // jspitzm 20060807
 	LFUN_CHANGE_NEXT,
-	LFUN_WINDOW_NEW,                 // Abdel 20062110
-
+	LFUN_WINDOW_NEW,                 // Abdel 20061021
+	LFUN_UNICODE_INSERT,             // Lgb 20061022
+	
 	LFUN_LASTACTION                  // end of the table
 };
 

src/support/lstrings.C

@@ -226,6 +226,59 @@ bool isStrDbl(string const & str)
 }
 
 
+namespace {
+
+inline
+bool isHexChar(char_type c)
+{
+	return c == '0' ||
+		c == '1' ||
+		c == '2' ||
+		c == '3' ||
+		c == '4' ||
+		c == '5' ||
+		c == '6' ||
+		c == '7' ||
+		c == '8' ||
+		c == '9' ||
+		c == 'a' || c == 'A' ||
+		c == 'b' || c == 'B' ||
+		c == 'c' || c == 'C' ||
+		c == 'd' || c == 'D' ||
+		c == 'e' || c == 'E' ||
+		c == 'f' || c == 'F';
+}
+
+} // anon namespace
+
+
+bool isHex(docstring const & str)
+{
+	int index = 0;
+
+	if (str.length() > 2 and str[0] == '0' &&
+	    (str[1] == 'x' || str[1] == 'X'))
+		index = 2;
+
+	int const len = str.length();
+
+	for (; index < len; ++index) {
+		if (!isHexChar(str[index]))
+			return false;
+	}
+	return true;
+}
+
+
+int hexToInt(docstring const & str)
+{
+	string s = to_ascii(str);
+	int h;
+	sscanf(s.c_str(), "%x", &h);
+	return h;
+}
+
+
 char lowercase(char c)
 {
 	return char(tolower(c));

src/support/lstrings.h

@@ -68,6 +68,10 @@ bool isStrUnsignedInt(std::string const & str);
 ///
 bool isStrDbl(std::string const & str);
 
+bool isHex(lyx::docstring const & str);
+
+int hexToInt(lyx::docstring const & str);
+
 ///
 char lowercase(char c);
 

src/text3.C

@@ -893,6 +893,21 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 		break;
 	}
 
+	case LFUN_UNICODE_INSERT: {
+		if (cmd.argument().empty())
+			break;
+		docstring hexstring = cmd.argument();
+		if (lyx::support::isHex(hexstring)) {
+			char_type c = lyx::support::hexToInt(hexstring);
+			if (c > 32 && c < 0x10ffff) {
+				lyxerr << "Inserting c: " << c << endl;
+				docstring s = docstring(1, c);
+				lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
+			}
+		}
+		break;
+	}
+		
 	case LFUN_QUOTE_INSERT: {
 		cap::replaceSelection(cur);
 		Paragraph & par = cur.paragraph();
@@ -1794,6 +1809,7 @@ bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
 	case LFUN_BUFFER_BEGIN:
 	case LFUN_BUFFER_BEGIN_SELECT:
 	case LFUN_BUFFER_END_SELECT:
+	case LFUN_UNICODE_INSERT:
 		// these are handled in our dispatch()
 		enable = true;
 		break;