From e3f932aa6ba9ebb3284c6cfd4fabfacfb01cd9f7 Mon Sep 17 00:00:00 2001
From: deepend <deepend@tilde.club>
Date: Wed, 25 Feb 2026 14:48:18 -0700
Subject: [PATCH] =?UTF-8?q?Updated=20the=20Win32=20window-state=20handling?=
 =?UTF-8?q?=20to=20include=20shellapi.h=20and=20query=20taskbar=20auto-hid?=
 =?UTF-8?q?e/taskbar=20edge=20state=20via=20SHAppBarMessage,=20so=20maximi?=
 =?UTF-8?q?zed=20windows=20can=20leave=20a=201px=20reveal=20edge=20for=20t?=
 =?UTF-8?q?he=20auto-hidden=20taskbar.=20Added=20monitor-aware=20work-area?=
 =?UTF-8?q?=20adjustment=20when=20maximized=20(MonitorFromWindow=20+=20Get?=
 =?UTF-8?q?MonitorInfo)=20and=20shrink=20by=201px=20on=20the=20detected=20?=
 =?UTF-8?q?taskbar=20edge=20(including=20bottom=20edge),=20then=20apply=20?=
 =?UTF-8?q?that=20rectangle=20with=20SetWindowPos.=20This=20addresses=20th?=
 =?UTF-8?q?e=20=E2=80=9Cmouse=20at=20bottom=20edge=20should=20unhide=20tas?=
 =?UTF-8?q?kbar=E2=80=9D=20behavior.=20Kept=20the=20existing=20HWND=5FNOTO?=
 =?UTF-8?q?PMOST=20safeguard=20in=20place=20after=20the=20adjustment,=20pr?=
 =?UTF-8?q?eserving=20prior=20not-topmost=20behavior.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/fe-gtk/maingui.c | 51 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/src/fe-gtk/maingui.c b/src/fe-gtk/maingui.c
index 1a58d01d..1dcfb871 100644
--- a/src/fe-gtk/maingui.c
+++ b/src/fe-gtk/maingui.c
@@ -58,6 +58,7 @@
 
 #ifdef G_OS_WIN32
 #include <windows.h>
+#include <shellapi.h>
 #include <gdk/gdkwin32.h>
 
 static void
@@ -80,6 +81,56 @@ mg_win32_allow_autohide_taskbar (GtkWindow *window, GdkEventWindowState *event)
 	if (!hwnd)
 		return;
 
+	if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
+	{
+		APPBARDATA appbar_data;
+		RECT work_area;
+
+		ZeroMemory (&appbar_data, sizeof (APPBARDATA));
+		appbar_data.cbSize = sizeof (APPBARDATA);
+
+		if ((SHAppBarMessage (ABM_GETSTATE, &appbar_data) & ABS_AUTOHIDE) != 0 &&
+			SHAppBarMessage (ABM_GETTASKBARPOS, &appbar_data) != 0)
+		{
+			HMONITOR monitor;
+			MONITORINFO monitor_info;
+
+			monitor = MonitorFromWindow (hwnd, MONITOR_DEFAULTTONEAREST);
+			ZeroMemory (&monitor_info, sizeof (MONITORINFO));
+			monitor_info.cbSize = sizeof (MONITORINFO);
+
+			if (monitor && GetMonitorInfo (monitor, &monitor_info))
+			{
+				work_area = monitor_info.rcMonitor;
+
+				switch (appbar_data.uEdge)
+				{
+				case ABE_LEFT:
+					work_area.left += 1;
+					break;
+				case ABE_TOP:
+					work_area.top += 1;
+					break;
+				case ABE_RIGHT:
+					work_area.right -= 1;
+					break;
+				case ABE_BOTTOM:
+				default:
+					work_area.bottom -= 1;
+					break;
+				}
+
+				SetWindowPos (hwnd,
+				              NULL,
+				              work_area.left,
+				              work_area.top,
+				              work_area.right - work_area.left,
+				              work_area.bottom - work_area.top,
+				              SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
+			}
+		}
+	}
+
 	SetWindowPos (hwnd,
 	              HWND_NOTOPMOST,
 	              0,