feat(ui): 接入 vendor 真实图标库 + 图标选择器

- assets/icons/ 共 80+ 张真实品牌图标嵌入 UI 包 - entry 新增 IconKey 字段，持久化到 config.Entry.IconName - iconPickerDialog 网格布局图标选择器 - Add 完成后自动弹出图标选择器，Skip 则用 vendor 占位图 - ⋯ 菜单新增 "Change icon..." 项 - vendorIconFor 解析顺序：catalog → vendor 占位 → qr 兜底
2026-06-12 09:41:30 +08:00
parent 352b1d24b8
commit 969600b6ee
95 changed files with 298 additions and 27 deletions
@@ -0,0 +1,137 @@
+package ui
+
+import (
+	"image"
+
+	"gioui.org/layout"
+	"gioui.org/op/clip"
+	"gioui.org/op/paint"
+	"gioui.org/unit"
+	"gioui.org/widget"
+	"gioui.org/widget/material"
+
+	"git.wxccs.org/iceking2nd/winauth-go/internal/i18n"
+)
+
+// iconPickerDialog shows the full catalog of brand icons in a scrollable
+// grid. The user clicks an icon to select it, then OK to confirm. A
+// fixed column count keeps row layout cheap (no FlowWrap needed).
+type iconPickerDialog struct {
+	icons      []string
+	selected   string
+	clickables []widget.Clickable
+	list       widget.List
+	okBtn      widget.Clickable
+	cancelBtn  widget.Clickable
+	cols       int
+}
+
+func newIconPickerDialog(currentKey string) *iconPickerDialog {
+	keys := allIconKeys()
+	d := &iconPickerDialog{
+		icons:      keys,
+		selected:   currentKey,
+		clickables: make([]widget.Clickable, len(keys)),
+		cols:       6,
+	}
+	d.list.Axis = layout.Vertical
+	return d
+}
+
+// iconExistsInCatalog reports whether key is in the published icon
+// catalog (as opposed to the fallback vendor icons).
+func iconExistsInCatalog(key string) bool {
+	for _, k := range allIconKeys() {
+		if k == key {
+			return true
+		}
+	}
+	return false
+}
+
+func (d *iconPickerDialog) Layout(
+	gtx layout.Context, th *material.Theme,
+	onDone func(iconKey string, cancel bool),
+) layout.Dimensions {
+	for i := range d.icons {
+		if d.clickables[i].Clicked(gtx) {
+			d.selected = d.icons[i]
+		}
+	}
+	if d.cancelBtn.Clicked(gtx) {
+		onDone("", true)
+		return layout.Dimensions{Size: gtx.Constraints.Max}
+	}
+	if d.okBtn.Clicked(gtx) {
+		onDone(d.selected, false)
+		return layout.Dimensions{Size: gtx.Constraints.Max}
+	}
+
+	body := func(gtx layout.Context) layout.Dimensions {
+		// Cap body height so the picker scrolls instead of overflowing
+		// the screen on small windows.
+		maxH := gtx.Dp(unit.Dp(320))
+		if gtx.Constraints.Max.Y > maxH {
+			gtx.Constraints.Max.Y = maxH
+		}
+
+		cellDp := unit.Dp(48)
+		cellPx := gtx.Dp(cellDp)
+		cols := d.cols
+		totalRows := (len(d.icons) + cols - 1) / cols
+
+		return material.List(th, &d.list).Layout(gtx, totalRows, func(gtx layout.Context, rowIdx int) layout.Dimensions {
+			start := rowIdx * cols
+			end := start + cols
+			if end > len(d.icons) {
+				end = len(d.icons)
+			}
+			rowIcons := d.icons[start:end]
+
+			children := make([]layout.FlexChild, len(rowIcons))
+			for j, key := range rowIcons {
+				idx := start + j
+				key := key
+				sel := key == d.selected
+				children[j] = layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+					return layout.Inset{
+						Right: unit.Dp(4), Bottom: unit.Dp(4),
+					}.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+						gtx.Constraints.Min = image.Pt(cellPx, cellPx)
+						gtx.Constraints.Max = image.Pt(cellPx, cellPx)
+						return d.clickables[idx].Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+							return drawIconCell(gtx, key, sel)
+						})
+					})
+				})
+			}
+			return layout.Flex{Axis: layout.Horizontal}.Layout(gtx, children...)
+		})
+	}
+
+	return modalCard(gtx, th, i18n.T("dialog_icon_picker_title"),
+		i18n.T("btn_ok"), i18n.T("btn_cancel"),
+		&d.okBtn, &d.cancelBtn, body)
+}
+
+// drawIconCell paints one grid cell: optional selection background +
+// the icon scaled to fit. Returns the fixed cell-size dimensions.
+func drawIconCell(gtx layout.Context, key string, selected bool) layout.Dimensions {
+	size := gtx.Constraints.Min
+	if selected {
+		rect := clip.Rect{Max: size}.Push(gtx.Ops)
+		paint.ColorOp{Color: activePalette.RingBg}.Add(gtx.Ops)
+		paint.PaintOp{}.Add(gtx.Ops)
+		rect.Pop()
+	}
+	img := vendorIconFor(key)
+	if img != nil {
+		w := widget.Image{
+			Src:      paint.NewImageOp(img),
+			Fit:      widget.Contain,
+			Position: layout.Center,
+		}
+		w.Layout(gtx)
+	}
+	return layout.Dimensions{Size: size}
+}