package basic import "image" import "git.tebibyte.media/sashakoshka/tomo/theme" import "git.tebibyte.media/sashakoshka/tomo/artist" import "git.tebibyte.media/sashakoshka/tomo/elements/core" // ProgressBar displays a visual indication of how far along a task is. type ProgressBar struct { *core.Core core core.CoreControl progress float64 } // NewProgressBar creates a new progress bar displaying the given progress // level. func NewProgressBar (progress float64) (element *ProgressBar) { element = &ProgressBar { progress: progress } element.Core, element.core = core.NewCore(element.draw) element.core.SetMinimumSize(theme.Padding() * 2, theme.Padding() * 2) return } // SetProgress sets the progress level of the bar. func (element *ProgressBar) SetProgress (progress float64) { if progress == element.progress { return } element.progress = progress if element.core.HasImage() { element.draw() element.core.DamageAll() } } func (element *ProgressBar) draw () { bounds := element.Bounds() pattern, inset := theme.SunkenPattern(theme.PatternState { }) artist.FillRectangle(element, pattern, bounds) bounds = inset.Apply(bounds) meterBounds := image.Rect ( bounds.Min.X, bounds.Min.Y, bounds.Min.X + int(float64(bounds.Dx()) * element.progress), bounds.Max.Y) accent, _ := theme.AccentPattern(theme.PatternState { }) artist.FillRectangle(element, accent, meterBounds) }