proxmox-mirrors/mirror_xterm.js
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Disable the scroll bar when in application keypad mode

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This commit is contained in:
Daniel Imms 2016-08-03 18:12:44 -07:00
parent 6f70984ab6
commit 1b886a4420
1 changed files with 26 additions and 6 deletions
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32
src/xterm.js
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@ -326,7 +326,7 @@
/**
* Represents the viewport of a terminal, the visible area within the larger buffer of output.
* Logic for the virtual scroll bar is included in this object.
* Logic for the virtual scroll bar is included in this object.
*/
function Viewport(terminal, viewportElement, charMeasureElement) {
this.terminal = terminal;
@ -348,7 +348,7 @@
/**
* Refreshes row height, setting line-height, viewport height and scroll area height if
* necessary.
* necessary.
* @param {number|undefined} charSize A character size measurement bounding rect object, if it
* doesn't exist it will be created.
*/
@ -361,7 +361,7 @@
}
if (this.lastRecordedViewportHeight !== this.terminal.rows) {
this.lastRecordedViewportHeight = this.terminal.rows;
this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
}
this.scrollArea.style.height = (size.height * this.terminal.lines.length) + 'px';
}
@ -371,6 +371,12 @@
* Updates dimensions and synchronizes the scroll area if necessary.
*/
Viewport.prototype.syncScrollArea = function() {
if (this.isApplicationMode) {
this.lastRecordedBufferLength = this.currentRowHeight * this.terminal.rows;
this.refresh();
return;
}
if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
this.lastRecordedBufferLength = this.terminal.lines.length;
this.refresh();
@ -387,6 +393,16 @@
}
};
/**
* Sets the application mode of the viewport.
* @param {boolean} isApplicationMode Sets whether the terminal is in application mode. true
* for application mode (DECKPAM) and false for normal mode (DECKPNM).
*/
Viewport.prototype.setApplicationMode = function(isApplicationMode) {
this.isApplicationMode = isApplicationMode;
this.syncScrollArea();
};
/**
* Handles scroll events on the viewport, calculating the new viewport and requesting the
* terminal to scroll to it.
@ -409,7 +425,7 @@
// Do nothing if it's not a vertical scroll event
return;
}
// Fallback to WheelEvent.DOM_DELTA_PIXEL
// Fallback to WheelEvent.DOM_DELTA_PIXEL
var multiplier = 1;
if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
multiplier = this.currentRowHeight;
@ -2041,17 +2057,19 @@
this.tabSet();
break;
// ESC = Application Keypad (DECPAM).
// ESC = Application Keypad (DECKPAM).
case '=':
this.log('Serial port requested application keypad.');
this.applicationKeypad = true;
this.viewport.setApplicationMode(true);
this.state = normal;
break;
// ESC > Normal Keypad (DECPNM).
// ESC > Normal Keypad (DECKPNM).
case '>':
this.log('Switching back to normal keypad.');
this.applicationKeypad = false;
this.viewport.setApplicationMode(false);
this.state = normal;
break;
@ -4295,6 +4313,7 @@
case 66:
this.log('Serial port requested application keypad.');
this.applicationKeypad = true;
this.viewport.setApplicationMode(true);
break;
case 9: // X10 Mouse
// no release, no motion, no wheel, no modifiers.
@ -4493,6 +4512,7 @@
break;
case 66:
this.log('Switching back to normal keypad.');
this.viewport.setApplicationMode(false);
this.applicationKeypad = false;
break;
case 9: // X10 Mouse