void Screen::displayCharacter(unsigned short c)
{
// Note that VT100 does wrapping BEFORE putting the character.
// This has impact on the assumption of valid cursor positions.
// We indicate the fact that a newline has to be triggered by
// putting the cursor one right to the last column of the screen.
int w = konsole_wcwidth(c);
if (w <= 0)
return;
if (cuX+w > columns) {
if (getMode(MODE_Wrap)) {
lineProperties[cuY] = (LineProperty)(lineProperties[cuY] | LINE_WRAPPED);
nextLine();
}
else
cuX = columns-w;
}
// ensure current line vector has enough elements
int size = screenLines[cuY].size();
if (size < cuX+w)
{
screenLines[cuY].resize(cuX+w);
}
if (getMode(MODE_Insert)) insertChars(w);
lastPos = loc(cuX,cuY);
// check if selection is still valid.
checkSelection(lastPos, lastPos);
Character& currentChar = screenLines[cuY][cuX];
currentChar.character = c;
currentChar.foregroundColor = effectiveForeground;
currentChar.backgroundColor = effectiveBackground;
currentChar.rendition = effectiveRendition;
int i = 0;
int newCursorX = cuX + w--;
while(w)
{
i++;
if ( screenLines[cuY].size() < cuX + i + 1 )
screenLines[cuY].resize(cuX+i+1);
Character& ch = screenLines[cuY][cuX + i];
ch.character = 0;
ch.foregroundColor = effectiveForeground;
ch.backgroundColor = effectiveBackground;
ch.rendition = effectiveRendition;
w--;
}
cuX = newCursorX;
}
int string_width(const QString& text)
{
int w = 0;
for (int i = 0; i < text.length(); ++i)
w += konsole_wcwidth(text[i].unicode());
return w;
}
// single byte char: +1, multi byte char: +2
int string_width( const TQString &txt )
{
int w = 0;
for ( uint i = 1; i < txt.length(); ++i ) {
w += konsole_wcwidth(txt[i].unicode());
}
return w;
}
/*
* The following functions are the same as mk_wcwidth() and
* mk_wcwidth_cjk(), except that spacing characters in the East Asian
* Ambiguous (A) category as defined in Unicode Technical Report #11
* have a column width of 2. This variant might be useful for users of
* CJK legacy encodings who want to migrate to UCS without changing
* the traditional terminal character-width behaviour. It is not
* otherwise recommended for general use.
*/
int konsole_wcwidth_cjk(quint16 oucs)
{
/* sorted list of non-overlapping intervals of East Asian Ambiguous
* characters, generated by
*
* uniset +WIDTH-A -cat=Me -cat=Mn -cat=Cf \
* +E000..F8FF \
* +F0000..FFFFD \
* +100000..10FFFD c
*
* "WIDTH-A" is a file extracted from EastAsianWidth.txt by selecting
* only those with width "A", and omitting:
*
* 0xAD
* all lines with "COMBINING"
*
* http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
*
* (uniset does not recognize the range expressions in WIDTH-A).
*/
static const struct interval ambiguous[] = {
{ 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 },
{ 0x00AA, 0x00AA }, { 0x00AE, 0x00AE }, { 0x00B0, 0x00B4 },
{ 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 },
{ 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 },
{ 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED },
{ 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA },
{ 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 },
{ 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B },
{ 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 },
{ 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 },
{ 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 },
{ 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE },
{ 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 },
{ 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA },
{ 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 },
{ 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB },
{ 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB },
{ 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 },
{ 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 },
{ 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 },
{ 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 },
{ 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 },
{ 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 },
{ 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 },
{ 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC },
{ 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 },
{ 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 },
{ 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 },
{ 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 },
{ 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 },
{ 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 },
{ 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B },
{ 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 },
{ 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 },
{ 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E },
{ 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 },
{ 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 },
{ 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F },
{ 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 },
{ 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF },
{ 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x254B },
{ 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 },
{ 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 },
{ 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 },
{ 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 },
{ 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 },
{ 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x2614, 0x2615 },
{ 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 },
{ 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 },
{ 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F },
{ 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xE000, 0xF8FF },
{ 0xFFFD, 0xFFFD }, { 0xF0000, 0xFFFFD }, { 0x100000, 0x10FFFD }
};
/* binary search in table of non-spacing characters */
if (bisearch(static_cast<unsigned long>(oucs), ambiguous,
sizeof(ambiguous) / sizeof(struct interval) - 1))
return 2;
return konsole_wcwidth(oucs);
}
/*
* The following function is the same as konsole_wcwidth(), except that
* spacing characters in the East Asian Ambiguous (A) category as
* defined in Unicode Technical Report #11 have a column width of 2.
* This experimental variant might be useful for users of CJK legacy
* encodings who want to migrate to UCS. It is not otherwise
* recommended for general use.
*/
int konsole_wcwidth_cjk(quint16 ucs)
{
/* sorted list of non-overlapping intervals of East Asian Ambiguous
* characters */
static const struct interval ambiguous[] = {
{ 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 },
{ 0x00AA, 0x00AA }, { 0x00AD, 0x00AD }, { 0x00B0, 0x00B4 },
{ 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 },
{ 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 },
{ 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED },
{ 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA },
{ 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 },
{ 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B },
{ 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 },
{ 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 },
{ 0x0148, 0x014A }, { 0x014D, 0x014D }, { 0x0152, 0x0153 },
{ 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE },
{ 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 },
{ 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA },
{ 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 },
{ 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB }, { 0x02CD, 0x02CD },
{ 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB }, { 0x02DD, 0x02DD },
{ 0x0391, 0x03A1 }, { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 },
{ 0x03C3, 0x03C9 }, { 0x0401, 0x0401 }, { 0x0410, 0x044F },
{ 0x0451, 0x0451 }, { 0x2010, 0x2010 }, { 0x2013, 0x2016 },
{ 0x2018, 0x2019 }, { 0x201C, 0x201D }, { 0x2020, 0x2021 },
{ 0x2025, 0x2027 }, { 0x2030, 0x2030 }, { 0x2032, 0x2033 },
{ 0x2035, 0x2035 }, { 0x203B, 0x203B }, { 0x2074, 0x2074 },
{ 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC },
{ 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 },
{ 0x2113, 0x2113 }, { 0x2121, 0x2122 }, { 0x2126, 0x2126 },
{ 0x212B, 0x212B }, { 0x2154, 0x2155 }, { 0x215B, 0x215B },
{ 0x215E, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 },
{ 0x2190, 0x2199 }, { 0x21D2, 0x21D2 }, { 0x21D4, 0x21D4 },
{ 0x2200, 0x2200 }, { 0x2202, 0x2203 }, { 0x2207, 0x2208 },
{ 0x220B, 0x220B }, { 0x220F, 0x220F }, { 0x2211, 0x2211 },
{ 0x2215, 0x2215 }, { 0x221A, 0x221A }, { 0x221D, 0x2220 },
{ 0x2223, 0x2223 }, { 0x2225, 0x2225 }, { 0x2227, 0x222C },
{ 0x222E, 0x222E }, { 0x2234, 0x2237 }, { 0x223C, 0x223D },
{ 0x2248, 0x2248 }, { 0x224C, 0x224C }, { 0x2252, 0x2252 },
{ 0x2260, 0x2261 }, { 0x2264, 0x2267 }, { 0x226A, 0x226B },
{ 0x226E, 0x226F }, { 0x2282, 0x2283 }, { 0x2286, 0x2287 },
{ 0x2295, 0x2295 }, { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 },
{ 0x22BF, 0x22BF }, { 0x2312, 0x2312 }, { 0x2460, 0x24BF },
{ 0x24D0, 0x24E9 }, { 0x2500, 0x254B }, { 0x2550, 0x2574 },
{ 0x2580, 0x258F }, { 0x2592, 0x2595 }, { 0x25A0, 0x25A1 },
{ 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 }, { 0x25B6, 0x25B7 },
{ 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 }, { 0x25C6, 0x25C8 },
{ 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 }, { 0x25E2, 0x25E5 },
{ 0x25EF, 0x25EF }, { 0x2605, 0x2606 }, { 0x2609, 0x2609 },
{ 0x260E, 0x260F }, { 0x261C, 0x261C }, { 0x261E, 0x261E },
{ 0x2640, 0x2640 }, { 0x2642, 0x2642 }, { 0x2660, 0x2661 },
{ 0x2663, 0x2665 }, { 0x2667, 0x266A }, { 0x266C, 0x266D },
{ 0x266F, 0x266F }, { 0x300A, 0x300B }, { 0x301A, 0x301B },
{ 0xE000, 0xF8FF }, { 0xFFFD, 0xFFFD }
};
/* binary search in table of non-spacing characters */
if (bisearch(ucs, ambiguous,
sizeof(ambiguous) / sizeof(struct interval) - 1))
return 2;
return konsole_wcwidth(ucs);
}
