package config import ( "encoding/json" "github.com/gotk3/gotk3/gtk" ) // EntryValue with JSON serde capabilities. type EntryValue interface { json.Marshaler json.Unmarshaler Construct() gtk.IWidget } type _combo struct { selected *int options []string change func(int) } func Combo(selected *int, options []string, change func(int)) EntryValue { return &_combo{selected, options, change} } func (c *_combo) set(v int) { *c.selected = v if c.change != nil { c.change(v) } } func (c *_combo) Construct() gtk.IWidget { var combo, _ = gtk.ComboBoxTextNew() for _, opt := range c.options { combo.Append(opt, opt) } combo.Connect("changed", func() { c.set(combo.GetActive()) }) combo.SetActive(*c.selected) combo.SetHAlign(gtk.ALIGN_END) combo.Show() return combo } func (c *_combo) MarshalJSON() ([]byte, error) { return json.Marshal(*c.selected) } func (c *_combo) UnmarshalJSON(b []byte) error { var value int if err := json.Unmarshal(b, &value); err != nil { return err } *c.selected = value return nil } type _switch struct { value *bool change func(bool) } func Switch(value *bool, change func(bool)) EntryValue { return &_switch{value, change} } func (s *_switch) set(v bool) { *s.value = v if s.change != nil { s.change(v) } } func (s *_switch) Construct() gtk.IWidget { sw, _ := gtk.SwitchNew() sw.SetActive(*s.value) sw.Connect("notify::active", func() { s.set(sw.GetActive()) }) sw.SetHAlign(gtk.ALIGN_END) sw.Show() return sw } func (s *_switch) MarshalJSON() ([]byte, error) { return json.Marshal(*s.value) } func (s *_switch) UnmarshalJSON(b []byte) error { var value bool if err := json.Unmarshal(b, &value); err != nil { return err } s.set(value) return nil } type _inputentry struct { value *string change func(string) error } func InputEntry(value *string, change func(string) error) EntryValue { return &_inputentry{value, change} } func (e *_inputentry) set(v string) error { *e.value = v if e.change != nil { return e.change(v) } return nil } func (e *_inputentry) Construct() gtk.IWidget { entry, _ := gtk.EntryNew() entry.SetHExpand(true) entry.SetText(*e.value) entry.Connect("changed", func() { v, err := entry.GetText() if err != nil { return } if err := e.set(v); err != nil { entry.SetIconFromIconName(gtk.ENTRY_ICON_SECONDARY, "dialog-error") entry.SetIconTooltipText(gtk.ENTRY_ICON_SECONDARY, err.Error()) } else { entry.RemoveIcon(gtk.ENTRY_ICON_SECONDARY) } }) entry.Show() return entry } func (e *_inputentry) MarshalJSON() ([]byte, error) { return json.Marshal(*e.value) } func (e *_inputentry) UnmarshalJSON(b []byte) error { var value string if err := json.Unmarshal(b, &value); err != nil { return err } e.set(value) return nil }