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putty-style ED2 sequence handling as terminal option

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blashaq
2024-11-21 18:16:19 +00:00
parent 41e8ae3959
commit 9aba07f8f8
5 changed files with 68 additions and 6 deletions
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src/common/InputHandler.ts
+23 -5
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@@ -1220,12 +1220,30 @@ export class InputHandler extends Disposable implements IInputHandler {
this._dirtyRowTracker.markDirty(0);
break;
case 2:
j = this._bufferService.rows;
this._dirtyRowTracker.markDirty(j - 1);
while (j--) {
this._resetBufferLine(j, respectProtect);
if (this._optionsService.rawOptions.scrollOnDisplayErase) {
let fouldLastLineToKeep = false;
j = this._bufferService.rows;
const x = this._activeBuffer.getBlankLine(this._eraseAttrData());
while (j > 0 && !fouldLastLineToKeep) {
j--;
const currentLine = this._activeBuffer.lines.get(this._activeBuffer.ybase + j);
if (currentLine?.translateToString() !== x.translateToString()) {
fouldLastLineToKeep = true;
this._dirtyRowTracker.markRangeDirty(0, j);
}
}
for (; j >= 0; j--) {
this._bufferService.scroll(this._eraseAttrData());
}
}
else {
j = this._bufferService.rows;
this._dirtyRowTracker.markDirty(j - 1);
while (j--) {
this._resetBufferLine(j, respectProtect);
}
this._dirtyRowTracker.markDirty(0);
}
this._dirtyRowTracker.markDirty(0);
break;
case 3:
// Clear scrollback (everything not in viewport)