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Command to change color-scheme

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This commit is contained in:
Kovid Goyal
2025-05-19 13:42:24 +05:30
parent c36815a380
commit d38d72bd5e
2 changed files with 65 additions and 13 deletions
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3
kittens/desktop_ui/main.go
View File

@@ -67,7 +67,8 @@ func EntryPoint(root *cli.Command) {
cmd.ShowHelp()
return 1, fmt.Errorf("must specify the new color scheme value")
}
return
err = set_color_scheme(args[0])
return utils.IfElse(err == nil, 0, 1), err
},
})
ss := parent.AddSubCommand(&cli.Command{

75
kittens/desktop_ui/portal.go
View File

@@ -204,25 +204,28 @@ type ShowSettingsOptions struct {
InNamespace []string
}
func fetch_settings(conn *dbus.Conn, namespaces ...string) (ans ReadAllType, err error) {
path := "/" + strings.ToLower(strings.ReplaceAll(DESKTOP_PORTAL_NAME, ".", "/"))
obj := conn.Object(DESKTOP_PORTAL_NAME, dbus.ObjectPath(path))
interface_name := strings.ReplaceAll(DESKTOP_PORTAL_NAME, "Desktop", "Settings")
if len(namespaces) == 0 {
namespaces = append(namespaces, "")
}
call := obj.Call(interface_name+".ReadAll", dbus.FlagNoAutoStart, namespaces)
if err = call.Store(&ans); err != nil {
return nil, fmt.Errorf("Failed to read response from ReadAll with error: %w", err)
}
return
}
func show_settings(opts *ShowSettingsOptions) (err error) {
conn, err := dbus.SessionBus()
if err != nil {
return fmt.Errorf("failed to connect to system bus with error: %w", err)
}
defer conn.Close()
path := "/" + strings.ToLower(strings.ReplaceAll(DESKTOP_PORTAL_NAME, ".", "/"))
obj := conn.Object(DESKTOP_PORTAL_NAME, dbus.ObjectPath(path))
interface_name := strings.ReplaceAll(DESKTOP_PORTAL_NAME, "Desktop", "Settings")
namespaces := opts.InNamespace
if len(namespaces) == 0 {
namespaces = append(namespaces, "")
}
call := obj.Call(interface_name+".ReadAll", dbus.FlagNoAutoStart, namespaces)
var response ReadAllType
if err = call.Store(&response); err != nil {
return fmt.Errorf("Failed to read response from ReadAll with error: %w", err)
}
response, err = fetch_settings(conn, opts.InNamespace...)
if opts.AsJson {
unwrapped := make(map[string]map[string]any, len(response))
for ns, m := range response {
@@ -292,6 +295,7 @@ var AllPortalInterfaces = sync.OnceValue(func() (ans []string) {
return []string{SETTINGS_INTERFACE}
})
// enable-portal {{{
func patch_portals_conf(text []byte) []byte {
lines := []string{}
in_preferred := false
@@ -408,6 +412,53 @@ Exec=kitten run-server
return
}
// }}}
func set_color_scheme(which string) (err error) {
conn, err := dbus.SessionBus()
if err != nil {
return fmt.Errorf("failed to connect to system bus with error: %w", err)
}
defer conn.Close()
val := NO_PREFERENCE
var res ReadAllType
if res, err = fetch_settings(conn, PORTAL_APPEARANCE_NAMESPACE); err != nil {
return fmt.Errorf("failed to read existing color scheme setting with error: %w", err)
}
if m, found := res[PORTAL_APPEARANCE_NAMESPACE]; found {
if v, found := m[PORTAL_COLOR_SCHEME_KEY]; found {
v.Store(&val)
}
}
nval := val
switch which {
case "toggle":
switch val {
case LIGHT:
nval = DARK
case DARK:
nval = LIGHT
}
case "no-preference":
nval = NO_PREFERENCE
case "light":
nval = LIGHT
case "dark":
nval = DARK
default:
return fmt.Errorf("%s is not a valid value of the color-scheme", which)
}
if val == nval {
return
}
obj := conn.Object(PORTAL_BUS_NAME, dbus.ObjectPath(CHANGE_SETTINGS_OBJECT_PATH))
call := obj.Call(CHANGE_SETTINGS_INTERFACE+".ChangeSetting", dbus.FlagNoAutoStart, PORTAL_APPEARANCE_NAMESPACE, PORTAL_COLOR_SCHEME_KEY, dbus.MakeVariant(nval))
if err = call.Store(); err != nil {
return fmt.Errorf("failed to call ChangeSetting with error: %w", err)
}
return
}
func (self *Portal) ChangeSetting(namespace, key string, value dbus.Variant) *dbus.Error {
self.lock.Lock()
defer self.lock.Unlock()