mirror of
https://git.sr.ht/~eliasnaur/gio
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Elias Naur
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package material
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import (
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"image"
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"image/color"
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"gioui.org/f32"
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"gioui.org/font"
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"gioui.org/layout"
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"gioui.org/op/paint"
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"gioui.org/text"
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"gioui.org/unit"
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"golang.org/x/exp/shiny/materialdesign/icons"
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)
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type Theme struct {
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Shaper *text.Shaper
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Color struct {
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Primary color.RGBA
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Text color.RGBA
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Hint color.RGBA
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InvText color.RGBA
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}
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TextSize unit.Value
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checkBoxCheckedIcon *Icon
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checkBoxUncheckedIcon *Icon
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radioCheckedIcon *Icon
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radioUncheckedIcon *Icon
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}
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func NewTheme() *Theme {
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t := &Theme{
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Shaper: font.Default(),
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}
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t.Color.Primary = rgb(0x3f51b5)
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t.Color.Text = rgb(0x000000)
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t.Color.Hint = rgb(0xbbbbbb)
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t.Color.InvText = rgb(0xffffff)
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t.TextSize = unit.Sp(16)
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t.checkBoxCheckedIcon = mustIcon(NewIcon(icons.ToggleCheckBox))
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t.checkBoxUncheckedIcon = mustIcon(NewIcon(icons.ToggleCheckBoxOutlineBlank))
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t.radioCheckedIcon = mustIcon(NewIcon(icons.ToggleRadioButtonChecked))
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t.radioUncheckedIcon = mustIcon(NewIcon(icons.ToggleRadioButtonUnchecked))
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return t
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}
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func mustIcon(ic *Icon, err error) *Icon {
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if err != nil {
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panic(err)
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}
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return ic
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}
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func rgb(c uint32) color.RGBA {
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return argb(0xff000000 | c)
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}
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func argb(c uint32) color.RGBA {
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return color.RGBA{A: uint8(c >> 24), R: uint8(c >> 16), G: uint8(c >> 8), B: uint8(c)}
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}
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func fill(gtx *layout.Context, col color.RGBA) {
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cs := gtx.Constraints
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d := image.Point{X: cs.Width.Min, Y: cs.Height.Min}
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dr := f32.Rectangle{
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Max: f32.Point{X: float32(d.X), Y: float32(d.Y)},
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}
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paint.ColorOp{Color: col}.Add(gtx.Ops)
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paint.PaintOp{Rect: dr}.Add(gtx.Ops)
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gtx.Dimensions = layout.Dimensions{Size: d}
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}
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