waveterm/xterm.js
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Only wrap single width unicode chars

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Daniel Imms
2017-05-14 12:20:01 -07:00
parent 508d3ab68c
commit 6c8949bba1
1 changed files with 23 additions and 33 deletions
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src/Renderer.ts
+23 -33
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@@ -283,41 +283,31 @@ export class Renderer {
}
}
// TODO: Consider performance implications of not pulling these from the pool
if (ch_width === 2) {
innerHTML += '<span class="xterm-wide-char">';
// Wrap wide characters so they're sized correctly
innerHTML += `<span class="xterm-wide-char">${ch}</span>`;
} else if (ch.charCodeAt(0) > 255) {
// Wrap any non-wide unicode character as some fonts size them badly
innerHTML += `<span class="xterm-normal-char">${ch}</span>`;
} else {
// TODO: Only wrap unicode characters that may vary in width
innerHTML += '<span class="xterm-normal-char">';
}
switch (ch) {
case '&':
innerHTML += '&amp;';
//out += '&amp;';
break;
case '<':
innerHTML += '&lt;';
//out += '&lt;';
break;
case '>':
innerHTML += '&gt;';
//out += '&gt;';
break;
default:
if (ch <= ' ') {
innerHTML += '&nbsp;';
//out += '&nbsp;';
} else {
innerHTML += ch;
// out += ch;
}
break;
}
if (ch_width === 2) {
innerHTML += '</span>';
} else {
// TODO: Only wrap unicode characters that may vary in width
innerHTML += '</span>';
switch (ch) {
case '&':
innerHTML += '&amp;';
break;
case '<':
innerHTML += '&lt;';
break;
case '>':
innerHTML += '&gt;';
break;
default:
if (ch <= ' ') {
innerHTML += '&nbsp;';
} else {
innerHTML += ch;
}
break;
}
}
attr = data;