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Return cached term font dimensions to reduce layouts

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This commit is contained in:
Daniel Imms 2018-02-17 07:44:49 -08:00
parent 4fcc07d58b
commit 99709e6d71
1 changed files with 8 additions and 0 deletions
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8
src/vs/workbench/parts/terminal/electron-browser/terminalConfigHelper.ts
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@ -51,6 +51,14 @@ export class TerminalConfigHelper implements ITerminalConfigHelper {
}
private _measureFont(fontFamily: string, fontSize: number, lineHeight: number): ITerminalFont {
// Return cached font if no config changed
if (this._lastFontMeasurement &&
this._lastFontMeasurement.fontFamily === fontFamily &&
this._lastFontMeasurement.fontSize === fontSize &&
this._lastFontMeasurement.lineHeight === lineHeight) {
return this._lastFontMeasurement;
}
// Create charMeasureElement if it hasn't been created or if it was orphaned by its parent
if (!this._charMeasureElement || !this._charMeasureElement.parentElement) {
this._charMeasureElement = document.createElement('div');