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fix #4582

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This commit is contained in:
Jörg Breitbart
2023-07-05 13:56:41 +02:00
parent ac0207bf2e
commit 65568f502e
3 changed files with 6 additions and 10 deletions
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src/browser/services/MouseService.ts
+3 -9
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@@ -31,17 +31,11 @@ export class MouseService implements IMouseService {
public getMouseReportCoords(event: MouseEvent, element: HTMLElement): { col: number, row: number, x: number, y: number } | undefined {
const coords = getCoordsRelativeToElement(window, event, element);
// due to rounding issues in zoom states pixel values might be negative or overflow actual canvas
// ignore those events effectively narrowing mouse area a tiny bit at the edges
if (!this._charSizeService.hasValidSize
|| coords[0] < 0
|| coords[1] < 0
|| coords[0] >= this._renderService.dimensions.css.canvas.width
|| coords[1] >= this._renderService.dimensions.css.canvas.height) {
if (!this._charSizeService.hasValidSize) {
return undefined;
}
coords[0] = Math.min(Math.max(coords[0], 0), this._renderService.dimensions.css.canvas.width - 1);
coords[1] = Math.min(Math.max(coords[1], 0), this._renderService.dimensions.css.canvas.height - 1);
return {
col: Math.floor(coords[0] / this._renderService.dimensions.css.cell.width),
row: Math.floor(coords[1] / this._renderService.dimensions.css.cell.height),