gui: the Plan tab - scan, review, apply, with the directory locked

2 files changed, 66 insertions, 9 deletions

diff --git a/gui/cmd/krino-gui/main.go b/gui/cmd/krino-gui/main.go
index 4142e8c..9b46b22 100644
--- a/gui/cmd/krino-gui/main.go
+++ b/gui/cmd/krino-gui/main.go
@@ -6,29 +6,44 @@
 package main
 
 import (
+	"flag"
 	"fmt"
 	"os"
 
 	"github.com/diamondburned/gotk4/pkg/gtk/v4"
+
+	"krino/gui/internal/ui"
+	"krino/internal/engine"
 )
 
 // version is stamped at build time, as krino's is.
 var version = "dev"
 
 func main() {
-	if len(os.Args) > 1 && os.Args[1] == "--version" {
+	conf := flag.String("c", "", "use FILE instead of ~/.config/krino/krino.conf")
+	showVersion := flag.Bool("version", false, "print the version and exit")
+	flag.Parse()
+	if *showVersion {
 		fmt.Println("krino-gui " + version)
 		return
 	}
+
+	e, diags := engine.Load(mainFile(*conf))
+	if len(diags) > 0 {
+		printDiags(diags)
+		os.Exit(2)
+	}
+	e.CacheDir = cacheDir()
+	sess, err := e.NewSession(false)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "krino-gui: "+err.Error())
+		os.Exit(1)
+	}
+	defer sess.Close()
+
 	app := gtk.NewApplication("xyz.labunix.krino", 0)
-	app.ConnectActivate(func() {
-		win := gtk.NewApplicationWindow(app)
-		win.SetTitle("krino")
-		win.SetDefaultSize(900, 600)
-		win.SetChild(gtk.NewLabel("krino-gui"))
-		win.Show()
-	})
-	if code := app.Run(os.Args); code != 0 {
+	app.ConnectActivate(func() { ui.NewWindow(app, e, sess).Show() })
+	if code := app.Run(nil); code != 0 {
 		os.Exit(code)
 	}
 }
diff --git a/gui/cmd/krino-gui/paths.go b/gui/cmd/krino-gui/paths.go
new file mode 100644
index 0000000..447fc15
--- /dev/null
+++ b/gui/cmd/krino-gui/paths.go
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"krino/internal/config"
+	"krino/internal/xdg"
+)
+
+// cacheDir is where every directory's keyword cache lives (spec §6.1), the
+// same place krino uses.
+func cacheDir() string {
+	return filepath.Join(xdg.CacheHome(), "krino")
+}
+
+// mainFile is -c FILE, or the default krino.conf - the same rule the
+// command line follows, tilde and all.
+func mainFile(conf string) string {
+	if conf != "" {
+		return xdg.Expand(conf)
+	}
+	return config.DefaultFile()
+}
+
+// printDiags reports configuration problems the way krino(1) does, so a
+// file that will not load reads the same however it was opened.
+func printDiags(errs []*config.Diag) {
+	for _, e := range errs {
+		d := *e
+		d.File = xdg.Abbrev(d.File)
+		fmt.Fprintln(os.Stderr, &d)
+	}
+	if len(errs) == 1 {
+		fmt.Fprintln(os.Stderr, "krino-gui: 1 problem found")
+	} else {
+		fmt.Fprintf(os.Stderr, "krino-gui: %d problems found\n", len(errs))
+	}
+}