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feat: add mousewheel zoom for electron

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Johannes Millan 2018-11-23 17:02:02 +01:00
parent eb01a6bea3
commit 55a79cd69f
1 changed files with 16 additions and 0 deletions
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16
src/app/app.component.ts
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@ -66,6 +66,7 @@ export class AppComponent implements OnInit {
if (IS_ELECTRON) {
this._electronService.ipcRenderer.send(IPC_APP_READY);
this._initElectronErrorHandler();
this._initMousewheelZoomForElectron();
this._electronService.ipcRenderer.on(IPC_TRANSFER_SETTINGS_REQUESTED, () => {
this._electronService.ipcRenderer.send(IPC_TRANSFER_SETTINGS_TO_ELECTRON, this._configService.cfg);
@ -152,4 +153,19 @@ export class AppComponent implements OnInit {
console.error(data);
});
}
private _initMousewheelZoomForElectron() {
const ZOOM_DELTA = 0.05;
const webFrame = this._electronService.webFrame;
document.addEventListener('mousewheel', (event: MouseWheelEvent) => {
if (event && event.ctrlKey) {
const zoomFactor = webFrame.getZoomFactor();
if (event.deltaY > 0) {
webFrame.setZoomFactor(zoomFactor + ZOOM_DELTA);
} else if (event.deltaY < 0) {
webFrame.setZoomFactor(zoomFactor - ZOOM_DELTA);
}
}
}, false);
}
}