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tomo-old/elements/testing/mouse.go
2023-03-31 01:06:29 -04:00

93 lines
2.6 KiB
Go

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/artist/shapes"
import "git.tebibyte.media/sashakoshka/tomo/elements/core"
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 {
*core.Core
core core.CoreControl
drawing 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", "piano")
element.Core, element.core = core.NewCore(element, element.draw)
element.core.SetMinimumSize(32, 32)
return
}
// SetTheme sets the element's theme.
func (element *Mouse) SetTheme (new tomo.Theme) {
element.theme.Theme = new
element.redo()
}
// SetConfig sets the element's configuration.
func (element *Mouse) SetConfig (new tomo.Config) {
element.config.Config = new
element.redo()
}
func (element *Mouse) redo () {
if !element.core.HasImage() { return }
element.draw()
element.core.DamageAll()
}
func (element *Mouse) draw () {
bounds := element.Bounds()
accent := element.theme.Color (
tomo.ColorAccent,
tomo.State { })
shapes.FillColorRectangle(element.core, accent, bounds)
shapes.StrokeColorRectangle (
element.core,
artist.Hex(0x000000FF),
bounds, 1)
shapes.ColorLine (
element.core, artist.Hex(0xFFFFFFFF), 1,
bounds.Min.Add(image.Pt(1, 1)),
bounds.Min.Add(image.Pt(bounds.Dx() - 2, bounds.Dy() - 2)))
shapes.ColorLine (
element.core, artist.Hex(0xFFFFFFFF), 1,
bounds.Min.Add(image.Pt(1, bounds.Dy() - 2)),
bounds.Min.Add(image.Pt(bounds.Dx() - 2, 1)))
}
func (element *Mouse) HandleMouseDown (x, y int, button input.Button) {
element.drawing = true
element.lastMousePos = image.Pt(x, y)
}
func (element *Mouse) HandleMouseUp (x, y int, button input.Button) {
element.drawing = false
mousePos := image.Pt(x, y)
element.core.DamageRegion (shapes.ColorLine (
element.core, artist.Hex(0x000000FF), 1,
element.lastMousePos, mousePos))
element.lastMousePos = mousePos
}
func (element *Mouse) HandleMotion (x, y int) {
if !element.drawing { return }
mousePos := image.Pt(x, y)
element.core.DamageRegion (shapes.ColorLine (
element.core, artist.Hex(0x000000FF), 1,
element.lastMousePos, mousePos))
element.lastMousePos = mousePos
}