From 4d6386960c981678a8e8123a4db5463df7ee60bb Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Thu, 17 Sep 2026 09:12:32 +0200
Subject: gui: keep every divider where it is put, and let the columns shrink

---
 gui/internal/ui/window.go | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'gui/internal/ui/window.go')

diff --git a/gui/internal/ui/window.go b/gui/internal/ui/window.go
index 61fe157..06bce05 100644
--- a/gui/internal/ui/window.go
+++ b/gui/internal/ui/window.go
@@ -11,6 +11,7 @@ import (
 	"os"
 	"strings"
 
+	"github.com/diamondburned/gotk4/pkg/glib/v2"
 	"github.com/diamondburned/gotk4/pkg/gtk/v4"
 
 	"krino/gui/internal/model"
@@ -26,12 +27,13 @@ type Window struct {
 
 	engine *engine.Engine
 
-	plan    *planView
-	history *historyView
-	rules   *rulesView
-	status  *gtk.Label
-	prefs   model.Prefs
-	leaving bool
+	plan      *planView
+	history   *historyView
+	rules     *rulesView
+	status    *gtk.Label
+	prefs     model.Prefs
+	leaving   bool
+	saveTimer glib.SourceHandle
 }
 
 // NewWindow builds the window for e. Each plan and each undo is its own
@@ -147,6 +149,21 @@ func (w *Window) confirmLeaving() {
 	d.Show()
 }
 
+// savePrefsSoon writes the preferences a moment after the last change, so
+// dragging a divider does not write the file on every pixel.
+func (w *Window) savePrefsSoon() {
+	if w.saveTimer != 0 {
+		glib.SourceRemove(w.saveTimer)
+	}
+	w.saveTimer = glib.TimeoutAdd(500, func() bool {
+		w.saveTimer = 0
+		if err := w.prefs.Save(); err != nil {
+			w.setStatus("settings: %v", err)
+		}
+		return false
+	})
+}
+
 // applyPrefs takes a change from the settings window: the font of the
 // editor, whether the configuration is coloured, and whether the file
 // behind a row is shown. What is already on screen changes at once.
-- 
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