package testing import "image" import "git.tebibyte.media/sashakoshka/tomo" import "git.tebibyte.media/sashakoshka/tomo/input" import "git.tebibyte.media/sashakoshka/tomo/artist" import "git.tebibyte.media/sashakoshka/tomo/canvas" import "git.tebibyte.media/sashakoshka/tomo/artist/shapes" import "git.tebibyte.media/sashakoshka/tomo/default/theme" import "git.tebibyte.media/sashakoshka/tomo/default/config" // Mouse is an element capable of testing mouse input. When the mouse is clicked // and dragged on it, it draws a trail. type Mouse struct { entity tomo.Entity pressed bool lastMousePos image.Point config config.Wrapped theme theme.Wrapped } // NewMouse creates a new mouse test element. func NewMouse () (element *Mouse) { element = &Mouse { } element.theme.Case = tomo.C("tomo", "mouse") return } func (element *Mouse) Bind (entity tomo.Entity) { element.entity = entity entity.SetMinimumSize(32, 32) } func (element *Mouse) Draw (destination canvas.Canvas) { bounds := element.entity.Bounds() accent := element.theme.Color ( tomo.ColorAccent, tomo.State { }) shapes.FillColorRectangle(destination, accent, bounds) shapes.StrokeColorRectangle ( destination, artist.Hex(0x000000FF), bounds, 1) shapes.ColorLine ( destination, artist.Hex(0xFFFFFFFF), 1, bounds.Min.Add(image.Pt(1, 1)), bounds.Min.Add(image.Pt(bounds.Dx() - 2, bounds.Dy() - 2))) shapes.ColorLine ( destination, artist.Hex(0xFFFFFFFF), 1, bounds.Min.Add(image.Pt(1, bounds.Dy() - 2)), bounds.Min.Add(image.Pt(bounds.Dx() - 2, 1))) if element.pressed { shapes.ColorLine ( destination, artist.Hex(0x000000FF), 1, bounds.Min, element.lastMousePos) } } // SetTheme sets the element's theme. func (element *Mouse) SetTheme (new tomo.Theme) { element.theme.Theme = new element.entity.Invalidate() } // SetConfig sets the element's configuration. func (element *Mouse) SetConfig (new tomo.Config) { element.config.Config = new element.entity.Invalidate() } func (element *Mouse) HandleMouseDown (x, y int, button input.Button) { element.pressed = true } func (element *Mouse) HandleMouseUp (x, y int, button input.Button) { element.pressed = false } func (element *Mouse) HandleMotion (x, y int) { if !element.pressed { return } element.lastMousePos = image.Pt(x, y) element.entity.Invalidate() }