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DECRQM support #4095

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merged 5 commits into from
Sep 7, 2022
Merged

DECRQM support #4095

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bb4fbf2
DECRQM impl
jerch Sep 1, 2022
df1d72a
make linter happy
jerch Sep 1, 2022
65f0f9a
restructure code, enable DECSET 12 and SM 20
jerch Sep 3, 2022
f08ad87
unit tests
jerch Sep 3, 2022
74fc7e2
Merge branch 'master' into request_mode
jerch Sep 3, 2022
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64 changes: 63 additions & 1 deletion src/common/InputHandler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -369,6 +369,8 @@ export class InputHandler extends Disposable implements IInputHandler {
this._parser.registerCsiHandler({ final: 'u' }, params => this.restoreCursor(params));
this._parser.registerCsiHandler({ intermediates: '\'', final: '}' }, params => this.insertColumns(params));
this._parser.registerCsiHandler({ intermediates: '\'', final: '~' }, params => this.deleteColumns(params));
this._parser.registerCsiHandler({ intermediates: '$', final: 'p' }, params => this.requestMode(params, true));
this._parser.registerCsiHandler({ prefix: '?', intermediates: '$', final: 'p' }, params => this.requestMode(params, false));

/**
* execute handler
Expand Down Expand Up @@ -2215,7 +2217,7 @@ export class InputHandler extends Disposable implements IInputHandler {
case 1015: // urxvt ext mode mouse - removed in #2507
this._logService.debug('DECRST 1015 not supported (see #2507)');
break;
case 1006: // sgr pixels mode mouse
case 1016: // sgr pixels mode mouse
this._coreMouseService.activeEncoding = 'DEFAULT';
break;
case 25: // hide cursor
Expand Down Expand Up @@ -2245,6 +2247,66 @@ export class InputHandler extends Disposable implements IInputHandler {
return true;
}

/**
* CSI Ps $ p Request ANSI Mode (DECRQM).
*
* Reports CSI Ps; Pm $ y (DECRPM), where Ps is the mode number as in SM/RM,
* and Pm is the mode value:
* 0 - not recognized
* 1 - set
* 2 - reset
* 3 - permanently set
* 4 - permanently reset
*
* @vt: #Y CSI DECRQM "Request Mode" "CSI Ps $p" "Request mode state."
*/
public requestMode(params: IParams, ansi: boolean): boolean {
const f = (m: number, v: boolean | number): void => this._coreService.triggerDataEvent(`${C0.ESC}[?${m};${2 - +v}$y`);
const p = params.params[0];

if (ansi) {
switch (p) {
case 2: f(p, -1); break;
case 4: f(p, this._coreService.modes.insertMode); break;
case 12: f(p, -2); break;
case 20: f(p, -2); break;
default: f(p, 2);
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}
return true;
}

// dec privates
switch (p) {
case 1: f(p, this._coreService.decPrivateModes.applicationCursorKeys); break;
case 3:
const cols = this._bufferService.cols;
f(p, this._optionsService.rawOptions.windowOptions.setWinLines ? (cols === 80 ? 0 : cols === 132 ? 1 : 2) : 2);
break;
case 6: f(p, this._coreService.decPrivateModes.origin); break;
case 7: f(p, this._coreService.decPrivateModes.wraparound); break;
case 9: f(p, this._coreMouseService.activeProtocol === 'X10'); break;
case 12: f(p, -2); break;
case 25: f(p, !this._coreService.isCursorHidden); break;
case 45: f(p, this._coreService.decPrivateModes.reverseWraparound); break;
case 66: f(p, this._coreService.decPrivateModes.applicationKeypad); break;
case 1000: f(p, this._coreMouseService.activeProtocol === 'VT200'); break;
case 1002: f(p, this._coreMouseService.activeProtocol === 'DRAG'); break;
case 1003: f(p, this._coreMouseService.activeProtocol === 'ANY'); break;
case 1004: f(p, this._coreService.decPrivateModes.sendFocus); break;
case 1005: f(p, -2); break;
case 1006: f(p, this._coreMouseService.activeEncoding === 'SGR'); break;
case 1015: f(p, -2); break;
case 1016: f(p, this._coreMouseService.activeEncoding === 'SGR_PIXELS'); break;
case 47:
case 1047:
case 1048:
case 1049: f(p, this._bufferService.buffers.active === this._bufferService.buffers.alt); break;
case 2004: f(p, this._coreService.decPrivateModes.bracketedPasteMode); break;
default: f(p, 2);
}
return true;
}

/**
* Helper to write color information packed with color mode.
*/
Expand Down