proxmox-mirrors/mirror_xterm.js
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Merge pull request #436 from Tyriar/434_tmux_scroll_fix

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Fix scroll in tmux with max scrollback
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Daniel Imms 2017-01-08 17:02:44 -08:00 committed by GitHub
commit cabe23b782
1 changed files with 9 additions and 7 deletions
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16
src/xterm.js
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@ -1252,6 +1252,15 @@ Terminal.prototype.showCursor = function() {
Terminal.prototype.scroll = function() { Terminal.prototype.scroll = function() {
var row; var row;
// Make room for the new row in lines
if (this.lines.length === this.lines.maxLength) {
this.lines.trimStart(1);
this.ybase--;
if (this.ydisp !== 0) {
this.ydisp--;
}
}
this.ybase++; this.ybase++;
// TODO: Why is this done twice? // TODO: Why is this done twice?
@ -1266,13 +1275,6 @@ Terminal.prototype.scroll = function() {
row -= this.rows - 1 - this.scrollBottom; row -= this.rows - 1 - this.scrollBottom;
if (row === this.lines.length) { if (row === this.lines.length) {
// Compensate ybase and ydisp if lines has hit the maximum buffer size
if (this.lines.length === this.lines.maxLength) {
this.ybase--;
if (this.ydisp !== 0) {
this.ydisp--;
}
}
// Optimization: pushing is faster than splicing when they amount to the same behavior // Optimization: pushing is faster than splicing when they amount to the same behavior
this.lines.push(this.blankLine()); this.lines.push(this.blankLine());
} else { } else {