89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package navigation
|
|
|
|
import (
|
|
"log/slog"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
|
|
)
|
|
|
|
type SidebarItem struct {
|
|
Icon *pixel.Sprite
|
|
Label string
|
|
// Badge is a short count or word at the right.
|
|
Badge string
|
|
}
|
|
|
|
type SidebarSection struct {
|
|
Title string
|
|
Items []SidebarItem
|
|
}
|
|
|
|
type SidebarOptions struct {
|
|
// Width is in dots; zero means 140.
|
|
Width int
|
|
Disabled bool
|
|
}
|
|
|
|
type SidebarResult struct {
|
|
Element *ui.Element
|
|
Changed bool
|
|
}
|
|
|
|
// Sidebar lists sections of items; Up and Down choose.
|
|
func Sidebar(c *ui.Context, text string, sections []SidebarSection, selected *int, o SidebarOptions) SidebarResult {
|
|
k := pixel.K(c)
|
|
w := pixel.Or("Sidebar Width", o.Width, 140)
|
|
res := SidebarResult{}
|
|
n := 0
|
|
res.Element = ui.RadioGroup(c, func() {
|
|
for _, sec := range sections {
|
|
if sec.Title != "" {
|
|
pixel.Text(c, sec.Title, pixel.TextOptions{Slot: pixel.Faint})
|
|
}
|
|
for _, it := range sec.Items {
|
|
i := n
|
|
n++
|
|
shell, base, st := pixel.Shell(c, func() *ui.Element {
|
|
return ui.RadioBase(c, selected, i).Label(it.Label).Disabled(o.Disabled)
|
|
})
|
|
if base.Changed() {
|
|
res.Changed = true
|
|
}
|
|
shell.Size(k.D(w), k.D(pixel.LineHeight+2)).Draw(func(p *ui.Painter, r ui.Rect) {
|
|
entry(k.Canvas(p, r), it, i == *selected, st)
|
|
})
|
|
}
|
|
}
|
|
}).Gap(k.D(1)).Label(text)
|
|
if res.Changed {
|
|
slog.Debug("8bit: sidebar", "label", text, "selected", *selected)
|
|
}
|
|
return res
|
|
}
|
|
|
|
// entry draws a sidebar row: icon, label, badge.
|
|
func entry(g pixel.Canvas, it SidebarItem, on bool, st pixel.State) {
|
|
ink := pixel.Ink
|
|
switch {
|
|
case on:
|
|
g.Rect(0, 0, g.W, g.H, pixel.Accent)
|
|
ink = pixel.AccentInk
|
|
case st.Hover:
|
|
g.Rect(0, 0, g.W, g.H, pixel.Lit)
|
|
}
|
|
x := 4
|
|
if it.Icon != nil {
|
|
g.Sprite(x, (g.H-it.Icon.H)/2, it.Icon, 0, ink, 1)
|
|
x += it.Icon.W + 4
|
|
}
|
|
g.Text(x, 1, it.Label, ink, 1)
|
|
if it.Badge != "" {
|
|
bw := pixel.Measure(it.Badge) + 6
|
|
g.Frame(g.W-bw-3, 2, bw, g.H-4, pixel.Notched, pixel.Bad)
|
|
g.Text(g.W-bw, 1, it.Badge, pixel.AccentInk, 1)
|
|
}
|
|
g.Finish(st)
|
|
}
|