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// SPDX-License-Identifier: GPL-3.0-or-later
package model
import (
"encoding/json"
"os"
"path/filepath"
"krino/internal/xdg"
)
// Prefs is how the window behaves - nothing about what krino does to
// files, which belongs in the configuration. It lives beside krino.conf as
// gui.json, a file krino itself never reads (his request, 2026-09-16).
type Prefs struct {
// FontSize is the editor's font in points; 0 keeps the theme's.
FontSize int `json:"font_size"`
// Colours paints the configuration in the Text tab.
Colours bool `json:"colours"`
// Preview shows the file behind the selected row in the Plan tab.
Preview bool `json:"preview"`
// SelectAll starts a plan's rows checked, as the terminal review does.
SelectAll bool `json:"select_all"`
}
// DefaultPrefs is what a window does before anything is chosen.
func DefaultPrefs() Prefs {
return Prefs{FontSize: 0, Colours: true, Preview: true, SelectAll: true}
}
// PrefsFile is where they are kept.
func PrefsFile() string {
return filepath.Join(xdg.ConfigHome(), "krino", "gui.json")
}
// LoadPrefs reads them. A missing or unreadable file is not an error: the
// window opens with the defaults, as it does the first time.
func LoadPrefs() Prefs {
p := DefaultPrefs()
data, err := os.ReadFile(PrefsFile())
if err != nil {
return p
}
if err := json.Unmarshal(data, &p); err != nil {
return DefaultPrefs()
}
return p
}
// Save writes them, creating the directory if it is not there yet.
func (p Prefs) Save() error {
data, err := json.MarshalIndent(p, "", " ")
if err != nil {
return err
}
file := PrefsFile()
if err := os.MkdirAll(filepath.Dir(file), 0o755); err != nil {
return err
}
return os.WriteFile(file, append(data, '\n'), 0o644)
}
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