Add Gio app shells and platform stubs (T-003)

2026-07-16 15:43:03 +08:00
parent 0e20dd76b2
commit 6f920eb457
23 changed files with 668 additions and 15 deletions
@@ -0,0 +1,90 @@
+package gio
+
+import (
+	"image/color"
+
+	"gioui.org/layout"
+	"gioui.org/op/paint"
+	"gioui.org/unit"
+	"gioui.org/widget/material"
+)
+
+var shellColors = struct {
+	background color.NRGBA
+	foreground color.NRGBA
+	primary    color.NRGBA
+	onPrimary  color.NRGBA
+	secondary  color.NRGBA
+}{
+	background: color.NRGBA{R: 248, G: 250, B: 252, A: 255},
+	foreground: color.NRGBA{R: 15, G: 23, B: 42, A: 255},
+	primary:    color.NRGBA{R: 13, G: 148, B: 136, A: 255},
+	onPrimary:  color.NRGBA{R: 255, G: 255, B: 255, A: 255},
+	secondary:  color.NRGBA{R: 71, G: 85, B: 105, A: 255},
+}
+
+// AppShell is the Legacy window frame. Feature views are added in later tasks.
+type AppShell struct {
+	edition string
+}
+
+// NewAppShell creates an empty shell for the supplied build edition.
+func NewAppShell(edition string) *AppShell {
+	return &AppShell{edition: edition}
+}
+
+// NewTheme creates the semantic palette shared by the Legacy shell.
+func NewTheme() *material.Theme {
+	theme := material.NewTheme()
+	theme.Palette = material.Palette{
+		Bg:         shellColors.background,
+		Fg:         shellColors.foreground,
+		ContrastBg: shellColors.primary,
+		ContrastFg: shellColors.onPrimary,
+	}
+	theme.FingerSize = unit.Dp(44)
+	return theme
+}
+
+// Layout renders the shell without performing IO or submitting use cases.
+func (shell *AppShell) Layout(context layout.Context, theme *material.Theme) layout.Dimensions {
+	paint.Fill(context.Ops, theme.Bg)
+
+	return layout.UniformInset(unit.Dp(32)).Layout(context, func(context layout.Context) layout.Dimensions {
+		return layout.Flex{Axis: layout.Vertical}.Layout(
+			context,
+			layout.Rigid(func(context layout.Context) layout.Dimensions {
+				return layout.Flex{Alignment: layout.Middle}.Layout(
+					context,
+					layout.Rigid(material.H5(theme, "SoftBox").Layout),
+					layout.Rigid(layout.Spacer{Width: unit.Dp(16)}.Layout),
+					layout.Rigid(func(context layout.Context) layout.Dimensions {
+						label := material.Body2(theme, shell.edition)
+						label.Color = shellColors.primary
+						return label.Layout(context)
+					}),
+				)
+			}),
+			layout.Rigid(layout.Spacer{Height: unit.Dp(24)}.Layout),
+			layout.Flexed(1, func(context layout.Context) layout.Dimensions {
+				return layout.Center.Layout(context, func(context layout.Context) layout.Dimensions {
+					return layout.Flex{Axis: layout.Vertical, Alignment: layout.Middle}.Layout(
+						context,
+						layout.Rigid(material.H6(theme, "软件目录准备中").Layout),
+						layout.Rigid(layout.Spacer{Height: unit.Dp(8)}.Layout),
+						layout.Rigid(func(context layout.Context) layout.Dimensions {
+							label := material.Body1(theme, "Legacy 窗口已就绪,业务功能将在后续任务接入。")
+							label.Color = shellColors.secondary
+							return label.Layout(context)
+						}),
+					)
+				})
+			}),
+			layout.Rigid(func(context layout.Context) layout.Dimensions {
+				label := material.Body2(theme, "Legacy · Windows 7 SP1 x64")
+				label.Color = shellColors.secondary
+				return label.Layout(context)
+			}),
+		)
+	})
+}