eiac/xterm.js
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Support buffers with scrollback of 0, force alt as 0

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Fixes #802
This commit is contained in:
Daniel Imms
2017-08-06 18:18:49 -07:00
parent 27f7679494
commit a57f55dcbf
5 changed files with 68 additions and 51 deletions
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src/InputHandler.ts
+5 -22
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@@ -442,23 +442,13 @@ export class InputHandler implements IInputHandler {
}
let row: number = this._terminal.buffer.y + this._terminal.buffer.ybase;
let j: number;
j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;
let scrollBottomRowsOffset = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
let scrollBottomAbsolute = this._terminal.rows - 1 + this._terminal.buffer.ybase - scrollBottomRowsOffset + 1;
while (param--) {
if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
// Trim the start of lines to make room for the new line
this._terminal.buffer.lines.trimStart(1);
this._terminal.buffer.ybase--;
this._terminal.buffer.ydisp--;
row--;
j--;
}
// test: echo -e '\e[44m\e[1L\e[0m'
// blankLine(true) - xterm/linux behavior
this._terminal.buffer.lines.splice(scrollBottomAbsolute - 1, 1);
this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));
this._terminal.buffer.lines.splice(j, 1);
}
// this.maxRange();
@@ -480,18 +470,11 @@ export class InputHandler implements IInputHandler {
let j: number;
j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;
while (param--) {
if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
// Trim the start of lines to make room for the new line
this._terminal.buffer.lines.trimStart(1);
this._terminal.buffer.ybase -= 1;
this._terminal.buffer.ydisp -= 1;
}
// test: echo -e '\e[44m\e[1M\e[0m'
// blankLine(true) - xterm/linux behavior
this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));
this._terminal.buffer.lines.splice(row, 1);
this._terminal.buffer.lines.splice(row - 1, 1);
this._terminal.buffer.lines.splice(j, 0, this._terminal.blankLine(true));
}
// this.maxRange();