83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
package basicElements
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import "image"
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import "git.tebibyte.media/sashakoshka/tomo/theme"
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import "git.tebibyte.media/sashakoshka/tomo/config"
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import "git.tebibyte.media/sashakoshka/tomo/artist/shapes"
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import "git.tebibyte.media/sashakoshka/tomo/elements/core"
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// ProgressBar displays a visual indication of how far along a task is.
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type ProgressBar struct {
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*core.Core
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core core.CoreControl
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progress float64
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config config.Wrapped
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theme theme.Wrapped
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}
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// NewProgressBar creates a new progress bar displaying the given progress
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// level.
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func NewProgressBar (progress float64) (element *ProgressBar) {
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element = &ProgressBar { progress: progress }
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element.theme.Case = theme.C("basic", "progressBar")
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element.Core, element.core = core.NewCore(element.draw)
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return
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}
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// SetProgress sets the progress level of the bar.
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func (element *ProgressBar) SetProgress (progress float64) {
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if progress == element.progress { return }
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element.progress = progress
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if element.core.HasImage() {
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element.draw()
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element.core.DamageAll()
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}
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}
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// SetTheme sets the element's theme.
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func (element *ProgressBar) SetTheme (new theme.Theme) {
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if new == element.theme.Theme { return }
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element.theme.Theme = new
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element.updateMinimumSize()
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element.redo()
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}
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// SetConfig sets the element's configuration.
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func (element *ProgressBar) SetConfig (new config.Config) {
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if new == nil || new == element.config.Config { return }
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element.config.Config = new
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element.updateMinimumSize()
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element.redo()
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}
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func (element (ProgressBar)) updateMinimumSize() {
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padding := element.theme.Padding(theme.PatternSunken)
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element.core.SetMinimumSize (
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padding[3] + padding[1],
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padding[0] + padding[2])
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}
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func (element *ProgressBar) redo () {
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if element.core.HasImage() {
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element.draw()
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element.core.DamageAll()
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}
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}
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func (element *ProgressBar) draw () {
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bounds := element.Bounds()
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pattern := element.theme.Pattern(theme.PatternSunken, theme.State { })
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padding := element.theme.Padding(theme.PatternSunken)
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pattern.Draw(element.core, bounds)
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bounds = padding.Apply(bounds)
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meterBounds := image.Rect (
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bounds.Min.X, bounds.Min.Y,
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bounds.Min.X + int(float64(bounds.Dx()) * element.progress),
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bounds.Max.Y)
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// TODO: maybe dont use the accent color here...
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accent := element.theme.Color(theme.ColorAccent, theme.State { })
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shapes.FillColorRectangle(element.core, accent, meterBounds)
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}
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