134 lines
3.7 KiB
Go
134 lines
3.7 KiB
Go
//go:build windows
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package main
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/lxn/walk"
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. "github.com/lxn/walk/declarative"
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)
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var styleOptions = []struct {
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Label string
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Value string
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}{
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{"保持 Windows 当前设置", "keep"},
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{"填充", "fill"},
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{"适应", "fit"},
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{"拉伸", "stretch"},
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{"平铺", "tile"},
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{"居中", "center"},
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{"跨区", "span"},
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}
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func (a *App) showSettings() {
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if a.settingsDialog != nil {
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a.settingsDialog.Show()
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_ = a.settingsDialog.Activate()
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return
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}
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var dlg *walk.Dialog
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var apiEdit, intervalEdit, cacheEdit *walk.LineEdit
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var autoCheck, startupCheck *walk.CheckBox
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var styleCombo *walk.ComboBox
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labels := make([]string, len(styleOptions))
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styleIndex := 0
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for i, option := range styleOptions {
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labels[i] = option.Label
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if option.Value == a.config.WallpaperStyle {
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styleIndex = i
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}
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}
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err := Dialog{
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AssignTo: &dlg,
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Title: "GoWallpaper 设置",
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MinSize: Size{520, 300},
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Layout: VBox{MarginsZero: false},
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Children: []Widget{
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Label{Text: "随机图片 API 地址（HTTP GET 直接返回图片）"},
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LineEdit{AssignTo: &apiEdit, Text: a.config.APIURL},
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Composite{
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Layout: Grid{Columns: 2},
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Children: []Widget{
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CheckBox{AssignTo: &autoCheck, Text: "启用自动切换", Checked: a.config.AutoChangeEnabled},
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CheckBox{AssignTo: &startupCheck, Text: "开机自动启动", Checked: a.config.StartWithWindows},
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Label{Text: "自动切换间隔（分钟）"},
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LineEdit{AssignTo: &intervalEdit, Text: strconv.Itoa(a.config.IntervalMinutes)},
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Label{Text: "最多保留缓存图片数"},
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LineEdit{AssignTo: &cacheEdit, Text: strconv.Itoa(a.config.MaxCacheCount)},
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Label{Text: "壁纸显示方式"},
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ComboBox{AssignTo: &styleCombo, Model: labels, CurrentIndex: styleIndex},
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},
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},
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VSpacer{},
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Composite{
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Layout: HBox{},
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Children: []Widget{
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HSpacer{},
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PushButton{Text: "保存", OnClicked: func() {
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interval, parseErr := parsePositiveInt(intervalEdit.Text(), "自动切换间隔")
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if parseErr != nil {
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walk.MsgBox(dlg, "设置无效", parseErr.Error(), walk.MsgBoxIconWarning)
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return
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}
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maxCache, parseErr := parsePositiveInt(cacheEdit.Text(), "缓存数量")
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if parseErr != nil {
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walk.MsgBox(dlg, "设置无效", parseErr.Error(), walk.MsgBoxIconWarning)
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return
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}
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index := styleCombo.CurrentIndex()
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if index < 0 || index >= len(styleOptions) {
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index = 0
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}
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cfg := Config{
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APIURL: strings.TrimSpace(apiEdit.Text()),
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AutoChangeEnabled: autoCheck.Checked(),
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IntervalMinutes: interval,
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MaxCacheCount: maxCache,
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WallpaperStyle: styleOptions[index].Value,
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StartWithWindows: startupCheck.Checked(),
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}
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if err := a.applyConfig(cfg); err != nil {
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walk.MsgBox(dlg, "保存失败", err.Error(), walk.MsgBoxIconError)
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return
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}
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dlg.Accept()
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if cfg.APIURL == "" {
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a.notifyInfo("配置已保存。刷新壁纸前需要先设置随机图片 API 地址。")
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} else {
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a.notifyInfo("配置已保存。")
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}
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}},
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PushButton{Text: "取消", OnClicked: func() { dlg.Cancel() }},
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},
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},
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},
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}.Create(nil)
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if err != nil {
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a.notifyError("无法打开设置窗口：" + err.Error())
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return
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}
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a.settingsDialog = dlg
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dlg.Closing().Attach(func(_ *bool, _ walk.CloseReason) {
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if a.settingsDialog == dlg {
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a.settingsDialog = nil
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}
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})
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dlg.Show()
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_ = dlg.Activate()
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}
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func parsePositiveInt(value, field string) (int, error) {
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n, err := strconv.Atoi(strings.TrimSpace(value))
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if err != nil || n <= 0 {
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return 0, fmt.Errorf("%s必须是大于 0 的整数", field)
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}
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return n, nil
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}
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