forked from joejulian/gio
Chris Waldon
a87a520ae8
This introduces a new material.Palette type that captures the color information necessary to render a widget. This type is embedded in the material.Theme to make it easier to swap to a different palette for part of the UI by reassinging the Palette field. Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package material
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import (
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"image/color"
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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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"gioui.org/widget"
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)
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type LabelStyle struct {
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// Face defines the text style.
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Font text.Font
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// Color is the text color.
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Color color.NRGBA
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// Alignment specify the text alignment.
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Alignment text.Alignment
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// MaxLines limits the number of lines. Zero means no limit.
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MaxLines int
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Text string
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TextSize unit.Value
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shaper text.Shaper
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}
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func H1(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(96.0/16.0), txt)
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}
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func H2(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(60.0/16.0), txt)
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}
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func H3(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(48.0/16.0), txt)
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}
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func H4(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(34.0/16.0), txt)
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}
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func H5(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(24.0/16.0), txt)
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}
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func H6(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(20.0/16.0), txt)
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}
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func Body1(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize, txt)
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}
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func Body2(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(14.0/16.0), txt)
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}
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func Caption(th *Theme, txt string) LabelStyle {
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return Label(th, th.TextSize.Scale(12.0/16.0), txt)
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}
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func Label(th *Theme, size unit.Value, txt string) LabelStyle {
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return LabelStyle{
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Text: txt,
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Color: th.Palette.Fg,
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TextSize: size,
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shaper: th.Shaper,
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}
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}
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func (l LabelStyle) Layout(gtx layout.Context) layout.Dimensions {
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paint.ColorOp{Color: l.Color}.Add(gtx.Ops)
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tl := widget.Label{Alignment: l.Alignment, MaxLines: l.MaxLines}
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return tl.Layout(gtx, l.shaper, l.Font, l.TextSize, l.Text)
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}
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