Wire up applying of font config

kittens/choose_fonts/final.go

@@ -2,9 +2,12 @@ package choose_fonts
 
 import (
 	"fmt"
+	"path/filepath"
 	"strings"
 
+	"kitty/tools/config"
 	"kitty/tools/tui/loop"
+	"kitty/tools/utils"
 )
 
 var _ = fmt.Print
@@ -72,6 +75,26 @@ func (self *final_pane) on_key_event(event *loop.KeyEvent) (err error) {
 		self.handler.current_pane = &self.handler.faces
 		return self.handler.draw_screen()
 	}
+	if event.MatchesPressOrRepeat("enter") {
+		event.Handled = true
+		patcher := config.Patcher{Write_backup: true}
+		path := filepath.Join(utils.ConfigDir(), "kitty.conf")
+		updated, err := patcher.Patch(path, "KITTY_FONTS", self.settings.serialized(), "font_family", "bold_font", "italic_font", "bold_italic_font")
+		if err != nil {
+			return err
+		}
+		if updated {
+			switch self.handler.opts.Reload_in {
+			case "parent":
+				config.ReloadConfigInKitty(true)
+			case "all":
+				config.ReloadConfigInKitty(false)
+			}
+		}
+		self.lp.Quit(0)
+		return nil
+
+	}
 	return
 }
 

kittens/choose_fonts/main.go

@@ -13,7 +13,7 @@ var _ = fmt.Print
 var debugprintln = tty.DebugPrintln
 var output_on_exit string
 
-func main() (rc int, err error) {
+func main(opts *Options) (rc int, err error) {
 	if err = kitty_font_backend.start(); err != nil {
 		return 1, err
 	}
@@ -32,7 +32,7 @@ func main() (rc int, err error) {
 		return 1, err
 	}
 	lp.MouseTrackingMode(loop.FULL_MOUSE_TRACKING)
-	h := &handler{lp: lp}
+	h := &handler{lp: lp, opts: opts}
 	lp.OnInitialize = func() (string, error) {
 		lp.AllowLineWrapping(false)
 		lp.SetWindowTitle(`Choose a font for kitty`)
@@ -67,13 +67,32 @@ func main() (rc int, err error) {
 	return lp.ExitCode(), nil
 }
 
+type Options struct {
+	Reload_in string
+}
+
 func EntryPoint(root *cli.Command) {
 	ans := root.AddSubCommand(&cli.Command{
-		Name: "choose-fonts",
+		Name:             "choose-fonts",
+		ShortDescription: "Choose the fonts used in kitty",
 		Run: func(cmd *cli.Command, args []string) (rc int, err error) {
-			return main()
+			opts := Options{}
+			if err = cmd.GetOptionValues(&opts); err != nil {
+				return 1, err
+			}
+			return main(&opts)
 		},
 	})
+	ans.Add(cli.OptionSpec{
+		Name:    "--reload-in",
+		Dest:    "Reload_in",
+		Type:    "choices",
+		Choices: "parent, all, none",
+		Default: "parent",
+		Help: `By default, this kitten will signal only the parent kitty instance it is
+running in to reload its config, after making changes. Use this option to
+instead either not reload the config at all or in all running kitty instances.`,
+	})
 	clone := root.AddClone(ans.Group, ans)
 	clone.Hidden = false
 	clone.Name = "choose_fonts"

kittens/choose_fonts/ui.go

@@ -40,6 +40,7 @@ type pane interface {
 }
 
 type handler struct {
+	opts                 *Options
 	lp                   *loop.Loop
 	state                State
 	err_mutex            sync.Mutex