Initial GoWallpaper implementation

2026-07-31 21:25:56 +08:00
commit 1a4bb858f3
18 changed files with 1432 additions and 0 deletions
@@ -0,0 +1,113 @@
+//go:build windows
+
+package main
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/lxn/walk"
+	. "github.com/lxn/walk/declarative"
+)
+
+var styleOptions = []struct {
+	Label string
+	Value string
+}{
+	{"保持 Windows 当前设置", "keep"},
+	{"填充", "fill"},
+	{"适应", "fit"},
+	{"拉伸", "stretch"},
+	{"平铺", "tile"},
+	{"居中", "center"},
+	{"跨区", "span"},
+}
+
+func (a *App) showSettings() {
+	var dlg *walk.Dialog
+	var apiEdit, intervalEdit, cacheEdit *walk.LineEdit
+	var autoCheck, startupCheck *walk.CheckBox
+	var styleCombo *walk.ComboBox
+
+	labels := make([]string, len(styleOptions))
+	styleIndex := 0
+	for i, option := range styleOptions {
+		labels[i] = option.Label
+		if option.Value == a.config.WallpaperStyle {
+			styleIndex = i
+		}
+	}
+
+	_, err := Dialog{
+		AssignTo: &dlg,
+		Title:    "GoWallpaper 设置",
+		MinSize:  Size{520, 300},
+		Layout:   VBox{MarginsZero: false},
+		Children: []Widget{
+			Label{Text: "随机图片 API 地址（HTTP GET 直接返回图片）"},
+			LineEdit{AssignTo: &apiEdit, Text: a.config.APIURL},
+			Composite{
+				Layout: Grid{Columns: 2},
+				Children: []Widget{
+					CheckBox{AssignTo: &autoCheck, Text: "启用自动切换", Checked: a.config.AutoChangeEnabled},
+					CheckBox{AssignTo: &startupCheck, Text: "开机自动启动", Checked: a.config.StartWithWindows},
+					Label{Text: "自动切换间隔（分钟）"},
+					LineEdit{AssignTo: &intervalEdit, Text: strconv.Itoa(a.config.IntervalMinutes)},
+					Label{Text: "最多保留缓存图片数"},
+					LineEdit{AssignTo: &cacheEdit, Text: strconv.Itoa(a.config.MaxCacheCount)},
+					Label{Text: "壁纸显示方式"},
+					ComboBox{AssignTo: &styleCombo, Model: labels, CurrentIndex: styleIndex},
+				},
+			},
+			VSpacer{},
+			Composite{
+				Layout: HBox{},
+				Children: []Widget{
+					HSpacer{},
+					PushButton{Text: "保存", OnClicked: func() {
+						interval, parseErr := parsePositiveInt(intervalEdit.Text(), "自动切换间隔")
+						if parseErr != nil {
+							walk.MsgBox(dlg, "设置无效", parseErr.Error(), walk.MsgBoxIconWarning)
+							return
+						}
+						maxCache, parseErr := parsePositiveInt(cacheEdit.Text(), "缓存数量")
+						if parseErr != nil {
+							walk.MsgBox(dlg, "设置无效", parseErr.Error(), walk.MsgBoxIconWarning)
+							return
+						}
+						index := styleCombo.CurrentIndex()
+						if index < 0 || index >= len(styleOptions) {
+							index = 0
+						}
+						cfg := Config{
+							APIURL:            strings.TrimSpace(apiEdit.Text()),
+							AutoChangeEnabled: autoCheck.Checked(),
+							IntervalMinutes:   interval,
+							MaxCacheCount:     maxCache,
+							WallpaperStyle:    styleOptions[index].Value,
+							StartWithWindows:  startupCheck.Checked(),
+						}
+						if err := a.applyConfig(cfg); err != nil {
+							walk.MsgBox(dlg, "保存失败", err.Error(), walk.MsgBoxIconError)
+							return
+						}
+						dlg.Accept()
+					}},
+					PushButton{Text: "取消", OnClicked: func() { dlg.Cancel() }},
+				},
+			},
+		},
+	}.Run(a.mw)
+	if err != nil {
+		a.notifyError("无法打开设置窗口：" + err.Error())
+	}
+}
+
+func parsePositiveInt(value, field string) (int, error) {
+	n, err := strconv.Atoi(strings.TrimSpace(value))
+	if err != nil || n <= 0 {
+		return 0, fmt.Errorf("%s必须是大于 0 的整数", field)
+	}
+	return n, nil
+}