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