~eliasnaur/gio

gio/widget/material/theme.go -rw-r--r-- 1.7 KiB View raw
4f64ac17Elias Naur io/pointer: remove special case note 22 hours ago
                                                                                
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// SPDX-License-Identifier: Unlicense OR MIT

package material

import (
	"image/color"

	"gioui.org/f32"
	"gioui.org/font"
	"gioui.org/layout"
	"gioui.org/op/paint"
	"gioui.org/text"
	"gioui.org/unit"
	"gioui.org/widget"
	"golang.org/x/exp/shiny/materialdesign/icons"
)

type Theme struct {
	Shaper text.Shaper
	Color  struct {
		Primary color.RGBA
		Text    color.RGBA
		Hint    color.RGBA
		InvText color.RGBA
	}
	TextSize              unit.Value
	checkBoxCheckedIcon   *widget.Icon
	checkBoxUncheckedIcon *widget.Icon
	radioCheckedIcon      *widget.Icon
	radioUncheckedIcon    *widget.Icon
}

func NewTheme() *Theme {
	t := &Theme{
		Shaper: font.Default(),
	}
	t.Color.Primary = rgb(0x3f51b5)
	t.Color.Text = rgb(0x000000)
	t.Color.Hint = rgb(0xbbbbbb)
	t.Color.InvText = rgb(0xffffff)
	t.TextSize = unit.Sp(16)

	t.checkBoxCheckedIcon = mustIcon(widget.NewIcon(icons.ToggleCheckBox))
	t.checkBoxUncheckedIcon = mustIcon(widget.NewIcon(icons.ToggleCheckBoxOutlineBlank))
	t.radioCheckedIcon = mustIcon(widget.NewIcon(icons.ToggleRadioButtonChecked))
	t.radioUncheckedIcon = mustIcon(widget.NewIcon(icons.ToggleRadioButtonUnchecked))

	return t
}

func mustIcon(ic *widget.Icon, err error) *widget.Icon {
4 references
if err != nil { panic(err) } return ic } func rgb(c uint32) color.RGBA {
7 references
return argb(0xff000000 | c) } func argb(c uint32) color.RGBA {
2 references
return color.RGBA{A: uint8(c >> 24), R: uint8(c >> 16), G: uint8(c >> 8), B: uint8(c)} } func fill(gtx layout.Context, col color.RGBA) layout.Dimensions {
2 references
cs := gtx.Constraints d := cs.Min dr := f32.Rectangle{ Max: f32.Point{X: float32(d.X), Y: float32(d.Y)}, } paint.ColorOp{Color: col}.Add(gtx.Ops) paint.PaintOp{Rect: dr}.Add(gtx.Ops) return layout.Dimensions{Size: d} }