From eb788cad88d4458c4ce07668b5d3fb0e2b50a591 Mon Sep 17 00:00:00 2001
From: Eduard Gert <kontakt@eduardgert.de>
Date: Wed, 10 Jun 2026 16:37:07 +0200
Subject: [PATCH] fix dynamic window height on linux

---
 .../frontend/src/hooks/useAutoSizeWindow.ts   | 25 ++++++++++++-------
 client/ui/frontend/src/lib/platform.ts        |  1 +
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/client/ui/frontend/src/hooks/useAutoSizeWindow.ts b/client/ui/frontend/src/hooks/useAutoSizeWindow.ts
index 14a18308b..d4f4d80b2 100644
--- a/client/ui/frontend/src/hooks/useAutoSizeWindow.ts
+++ b/client/ui/frontend/src/hooks/useAutoSizeWindow.ts
@@ -1,6 +1,7 @@
 import { useLayoutEffect, useRef } from "react";
 import { Window } from "@wailsio/runtime";
 import i18next from "@/lib/i18n";
+import { isLinux } from "@/lib/platform";
 
 // Sizes the current Wails window to the measured content height (keeping `width`),
 // then shows it. Re-applies on content resize and language change.
@@ -18,18 +19,24 @@ export function useAutoSizeWindow<T extends HTMLElement>(width: number, ready: b
             Window.Show().catch(() => {});
             Window.Focus().catch(() => {});
         };
-        const apply = () => {
+        const apply = async () => {
             if (!ready) return;
             const h = Math.ceil(el.getBoundingClientRect().height);
             if (h <= 0) return;
-            // Window.SetSize takes the frame size, so add the OS title-bar height or content clips.
-            Window.Size()
-                .then((frame) => {
-                    const chrome = Math.max(0, frame.height - window.innerHeight);
-                    return Window.SetSize(width, h + chrome);
-                })
-                .then(showOnce)
-                .catch(() => {});
+            try {
+                // Window.SetSize takes the frame size, so add the OS title-bar height or content clips.
+                const frame = await Window.Size();
+                const targetH = h + Math.max(0, frame.height - window.innerHeight);
+                // Linux: SetSize no-ops on a mapped non-resizable window (X11), so pin via min/max instead.
+                if (isLinux()) {
+                    await Window.SetMinSize(width, targetH);
+                    await Window.SetMaxSize(width, targetH);
+                }
+                await Window.SetSize(width, targetH);
+                showOnce();
+            } catch {
+                // window gone / not ready — ignore
+            }
         };
         const scheduleApply = () => {
             cancelAnimationFrame(raf1);
diff --git a/client/ui/frontend/src/lib/platform.ts b/client/ui/frontend/src/lib/platform.ts
index 7a169b69e..c256dde23 100644
--- a/client/ui/frontend/src/lib/platform.ts
+++ b/client/ui/frontend/src/lib/platform.ts
@@ -36,3 +36,4 @@ function get(): Platform {
 
 export const isWindows = (): boolean => get().isWindows;
 export const isMacOS = (): boolean => get().isMacOS;
+export const isLinux = (): boolean => !get().isWindows && !get().isMacOS;