Method open

core/windowgeometry.go:155–183

open RenderWindow Geom settings from Cogent Core standard settings directory called under mutex or at start

()

// open RenderWindow Geom settings from Cogent Core standard settings directory
// called under mutex or at start
func (ws *windowGeometrySaver) open() error {
	ws.init()
	pdir := TheApp.CogentCoreDataDir()
	pnm := filepath.Join(pdir, ws.filename+".json")
	b, err := os.ReadFile(pnm)
	if err != nil {
		return err
	}
	err = json.Unmarshal(b, &ws.geometries)
	if err != nil {
		return errors.Log(err)
	}
	oldFmt := false
	for _, wps := range ws.geometries {
		for _, wp := range wps {
			if wp.DPI == 0 && wp.DPR == 0 {
				oldFmt = true
			}
			break
		}
		break
	}
	if oldFmt {
		log.Printf("WindowGeometry: resetting prefs for new format\n")
		ws.geometries = make(windowGeometries, 1000)
		ws.save() // overwrite
	}
	return err
}

// save RenderWindow Geom Settings to Cogent Core standard prefs directory
// assumed to be under mutex and lock still