53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package display
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import (
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/internal"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// HeadingOptions configure a Heading; zero is level 1.
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type HeadingOptions struct {
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// Level is 1, 2 or 3; zero means 1.
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Level int
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// Subtitle shows below the title in muted text.
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Subtitle string
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// Divider draws an ornament rule with a center diamond below.
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Divider bool
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}
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// Heading shows a serif title scaled with desktop text.
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func Heading(c *ui.Context, title string, opts HeadingOptions) *ui.Element {
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k := core.Tokens(c)
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size := headingSize(opts.Level)
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u := core.Density(c).Unit()
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col := ui.Column(c).Gap(u).Shrink(0)
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col.Children(func() {
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ui.Text(c, title).Font(theme.SerifFont).FontSize(core.FontSize(c, size)).FontWeight(600).
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LineHeight(1.25).TextColor(k.Text)
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if opts.Subtitle != "" {
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ui.Text(c, opts.Subtitle).FontSize(core.FontSize(c, theme.BodySize)).LineHeight(theme.LineHeight).TextColor(k.TextMuted)
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}
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if opts.Divider {
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ui.Box(c).FillWidth().Height(9).Margin(u, 0, 0, 0).Draw(func(p *ui.Painter, r ui.Rect) {
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internal.RuleDiamond(p, r, 6, 7, k.Ornament)
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})
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}
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})
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return col
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}
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func headingSize(level int) float32 {
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switch level {
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case 0, 1:
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return theme.H1Size
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case 2:
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return theme.H2Size
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case 3:
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return theme.H3Size
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}
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panic("mujica: Heading Level must be 1, 2 or 3")
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}
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