75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package objects
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import "image/color"
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import "git.tebibyte.media/tomo/tomo"
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import "git.tebibyte.media/tomo/tomo/input"
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import "git.tebibyte.media/tomo/tomo/event"
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import "git.tebibyte.media/tomo/objects/layouts"
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// LabelSwatch is a swatch with a label.
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type LabelSwatch struct {
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tomo.ContainerBox
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swatch *Swatch
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label *Label
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}
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// NewLabelSwatch creates a new labeled swatch with the specified color and
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// label text.
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func NewLabelSwatch (value color.Color, text string) *LabelSwatch {
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box := &LabelSwatch {
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ContainerBox: tomo.NewContainerBox(),
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swatch: NewSwatch(value),
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label: NewLabel(text),
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}
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box.SetRole(tomo.R("objects", "LabelSwatch"))
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box.swatch.label = text
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box.label.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
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box.Add(box.swatch)
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box.Add(box.label)
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box.SetLayout(layouts.Row { false, true })
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box.OnButtonDown(box.handleButtonDown)
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box.OnButtonUp(box.handleButtonUp)
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return box
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}
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// Value returns the color of the swatch.
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func (this *LabelSwatch) Value () color.Color {
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return this.swatch.Value()
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}
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// SetValue sets the color of the swatch.
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func (this *LabelSwatch) SetValue (value color.Color) {
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this.swatch.SetValue(value)
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}
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// OnValueChange specifies a function to be called when the swatch's color
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// is changed by the user.
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func (this *LabelSwatch) OnValueChange (callback func ()) event.Cookie {
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return this.swatch.OnValueChange(callback)
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}
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// RGBA satisfies the color.Color interface
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func (this *LabelSwatch) RGBA () (r, g, b, a uint32) {
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return this.swatch.RGBA()
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}
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// OnConfirm specifies a function to be called when the user selects "OK" in the
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// color picker.
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func (this *LabelSwatch) OnConfirm (callback func ()) event.Cookie {
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return this.swatch.OnConfirm(callback)
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}
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func (this *LabelSwatch) handleButtonDown (catch func (), button input.Button) {
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catch()
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}
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func (this *LabelSwatch) handleButtonUp (catch func (), button input.Button) {
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catch()
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if button != input.ButtonLeft { return }
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if this.Window().MousePosition().In(this.Bounds()) {
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this.swatch.SetFocused(true)
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this.swatch.Choose()
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}
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}
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