mirror of
https://github.com/NousResearch/hermes-agent.git
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57dfebe3db
Windows drops webContents zoom on minimize/restore, so the UI snapped back to 100% while Settings still read 125%. Zoom was only reasserted on the main window's did-finish-load, never on show/restore and never for session windows. Reassert the persisted level on show/restore + first load, wired once in wireCommonWindowHandlers so the main window and secondary session windows share it. The pet overlay opts out (zoom:false): it sizes its own OS window to fit the sprite in unzoomed CSS px and has its own Alt+wheel scale, so inheriting the global zoom would render the mascot larger than its window and crop it (and it shares the renderer origin's zoom localStorage key). Salvages #61245; keeps its pure-helper tests and adds a scope assertion. Co-authored-by: HexLab98 <liruixinch@outlook.com>
52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
/**
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* Pure helpers for window zoom. The main process owns webContents.setZoomLevel,
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* so the menu items, the Ctrl/Cmd shortcuts, and the settings UI all funnel
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* through this one clamped scale. Percent is the user-facing unit (100 = the
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* default size); Chromium's internal unit is the zoom level, where
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* factor = 1.2 ^ level.
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*/
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export const ZOOM_STORAGE_KEY = 'hermes:desktop:zoomLevel'
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const ZOOM_FACTOR_BASE = 1.2
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const MIN_ZOOM_LEVEL = -9
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const MAX_ZOOM_LEVEL = 9
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export function clampZoomLevel(value) {
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if (!Number.isFinite(value)) {
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return 0
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}
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return Math.min(Math.max(value, MIN_ZOOM_LEVEL), MAX_ZOOM_LEVEL)
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}
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export function zoomLevelToPercent(level) {
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return Math.round(Math.pow(ZOOM_FACTOR_BASE, clampZoomLevel(level)) * 100)
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}
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export function percentToZoomLevel(percent) {
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if (!Number.isFinite(percent) || percent <= 0) {
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return 0
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}
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return clampZoomLevel(Math.log(percent / 100) / Math.log(ZOOM_FACTOR_BASE))
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}
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// Chromium on Windows can drop webContents zoom when a BrowserWindow is minimized
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// and restored. Re-apply the persisted level on these lifecycle transitions.
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export const ZOOM_REASSERT_WINDOW_EVENTS = ['show', 'restore']
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export function installZoomReassertOnWindowEvents(win, reassert) {
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if (!win?.on) {
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return
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}
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for (const event of ZOOM_REASSERT_WINDOW_EVENTS) {
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win.on(event, () => {
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if (win.isDestroyed?.()) {
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return
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}
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reassert()
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})
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}
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}
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