74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package ui
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import (
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"fmt"
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"git.kirsle.net/apps/doodle/render"
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"git.kirsle.net/apps/doodle/ui/theme"
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)
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// CheckButton is a button that is bound to a boolean variable and stays clicked
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// once pressed, until clicked again to release.
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type CheckButton struct {
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Button
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BoolVar *bool
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}
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// NewCheckButton creates a new CheckButton.
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func NewCheckButton(name string, boolVar *bool, child Widget) *CheckButton {
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w := &CheckButton{
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BoolVar: boolVar,
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}
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w.Button.child = child
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w.IDFunc(func() string {
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return fmt.Sprintf("CheckButton<%s %+v>", name, w.BoolVar)
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})
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var borderStyle BorderStyle = BorderRaised
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if w.BoolVar != nil {
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if *w.BoolVar == true {
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borderStyle = BorderSunken
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}
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}
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w.Configure(Config{
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Padding: 4,
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BorderSize: 2,
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BorderStyle: borderStyle,
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OutlineSize: 1,
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OutlineColor: theme.ButtonOutlineColor,
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Background: theme.ButtonBackgroundColor,
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})
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w.Handle("MouseOver", func(p render.Point) {
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w.hovering = true
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w.SetBackground(theme.ButtonHoverColor)
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})
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w.Handle("MouseOut", func(p render.Point) {
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w.hovering = false
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w.SetBackground(theme.ButtonBackgroundColor)
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})
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w.Handle("MouseDown", func(p render.Point) {
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w.clicked = true
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w.SetBorderStyle(BorderSunken)
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})
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w.Handle("MouseUp", func(p render.Point) {
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w.clicked = false
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})
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w.Handle("MouseDown", func(p render.Point) {
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if w.BoolVar != nil {
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if *w.BoolVar {
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*w.BoolVar = false
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w.SetBorderStyle(BorderRaised)
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} else {
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*w.BoolVar = true
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w.SetBorderStyle(BorderSunken)
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}
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}
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})
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return w
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}
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