dwl-patches/patches/hide-cursor-when-typing/hide-cursor-when-typing.patch

From a73f5a4c7dd636d999cfab15610e68e170d2f597 Mon Sep 17 00:00:00 2001
From: nate zhou <gnuunixchad@outlook.com>
Date: Fri, 10 Apr 2026 19:38:43 +0800
Subject: [PATCH] Patch: hide-cursor-when-typing-0.8.patch

---
 config.def.h |  2 ++
 dwl.c        | 90 ++++++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 85 insertions(+), 7 deletions(-)

diff --git a/config.def.h b/config.def.h
index 8a6eda0..6205c0a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -102,6 +102,8 @@ LIBINPUT_CONFIG_TAP_MAP_LMR -- 1/2/3 finger tap maps to left/middle/right
 */
 static const enum libinput_config_tap_button_map button_map = LIBINPUT_CONFIG_TAP_MAP_LRM;
 
+static const int hide_cursor_when_typing = 1;
+
 /* If you want to use the windows key for MODKEY, use WLR_MODIFIER_LOGO */
 #define MODKEY WLR_MODIFIER_ALT
 
diff --git a/dwl.c b/dwl.c
index 44f3ad9..7325f7a 100644
--- a/dwl.c
+++ b/dwl.c
@@ -288,6 +288,8 @@ static void focusstack(const Arg *arg);
 static Client *focustop(Monitor *m);
 static void fullscreennotify(struct wl_listener *listener, void *data);
 static void gpureset(struct wl_listener *listener, void *data);
+static void handlecursoractivity(void);
+static int hidecursor(void *data);
 static void handlesig(int signo);
 static void incnmaster(const Arg *arg);
 static void inputdevice(struct wl_listener *listener, void *data);
@@ -389,6 +391,14 @@ static struct wlr_pointer_constraint_v1 *active_constraint;
 
 static struct wlr_cursor *cursor;
 static struct wlr_xcursor_manager *cursor_mgr;
+static bool cursor_hidden = false;
+static struct {
+	enum wp_cursor_shape_device_v1_shape shape;
+	struct wlr_surface *surface;
+	int hotspot_x;
+	int hotspot_y;
+	struct wl_listener destroy;
+} last_cursor;
 
 static struct wlr_scene_rect *root_bg;
 static struct wlr_session_lock_manager_v1 *session_lock_mgr;
@@ -610,6 +620,7 @@ axisnotify(struct wl_listener *listener, void *data)
 	 * for example when you move the scroll wheel. */
 	struct wlr_pointer_axis_event *event = data;
 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+	handlecursoractivity();
 	/* TODO: allow usage of scroll wheel for mousebindings, it can be implemented
 	 * by checking the event's orientation and the delta of the event */
 	/* Notify the client with pointer focus of the axis event. */
@@ -628,6 +639,7 @@ buttonpress(struct wl_listener *listener, void *data)
 	const Button *b;
 
 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+	handlecursoractivity();
 
 	switch (event->state) {
 	case WL_POINTER_BUTTON_STATE_PRESSED:
@@ -1566,6 +1578,33 @@ handlesig(int signo)
 		quit(NULL);
 }
 
+void
+handlecursoractivity(void)
+{
+	if (!cursor_hidden)
+		return;
+
+	cursor_hidden = false;
+
+	if (last_cursor.shape) {
+		wlr_cursor_set_xcursor(cursor, cursor_mgr,
+				wlr_cursor_shape_v1_name(last_cursor.shape));
+	} else if (last_cursor.surface) {
+		wlr_cursor_set_surface(cursor, last_cursor.surface,
+				last_cursor.hotspot_x, last_cursor.hotspot_y);
+	} else {
+		wlr_cursor_set_xcursor(cursor, cursor_mgr, "default");
+	}
+}
+
+int
+hidecursor(void *data)
+{
+	wlr_cursor_unset_image(cursor);
+	cursor_hidden = true;
+	return 1;
+}
+
 void
 incnmaster(const Arg *arg)
 {
@@ -1645,6 +1684,11 @@ keypress(struct wl_listener *listener, void *data)
 
 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
 
+	/* hide cursor when typing starts */
+	if (hide_cursor_when_typing && !cursor_hidden && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+		hidecursor(NULL);
+	}
+
 	/* On _press_ if there is no active screen locker,
 	 * attempt to process a compositor keybinding. */
 	if (!locked && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
@@ -1907,6 +1951,7 @@ motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double d
 
 		wlr_cursor_move(cursor, device, dx, dy);
 		wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+		handlecursoractivity();
 
 		/* Update selmon (even while dragging a window) */
 		if (sloppyfocus)
@@ -1931,7 +1976,7 @@ motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double d
 	/* If there's no client surface under the cursor, set the cursor image to a
 	 * default. This is what makes the cursor image appear when you move it
 	 * off of a client or over its border. */
-	if (!surface && !seat->drag)
+	if (!surface && !seat->drag && !cursor_hidden)
 		wlr_cursor_set_xcursor(cursor, cursor_mgr, "default");
 
 	pointerfocus(c, surface, sx, sy, time);
@@ -2296,6 +2341,15 @@ run(char *startup_cmd)
 	wl_display_run(dpy);
 }
 
+void
+unlastcursor(struct wl_listener *listener, void *data)
+{
+	/* When the surface is destroyed, clear our reference to it */
+	last_cursor.surface = NULL;
+	wl_list_remove(&last_cursor.destroy.link);
+	wl_list_init(&last_cursor.destroy.link);
+}
+
 void
 setcursor(struct wl_listener *listener, void *data)
 {
@@ -2311,9 +2365,23 @@ setcursor(struct wl_listener *listener, void *data)
 	 * use the provided surface as the cursor image. It will set the
 	 * hardware cursor on the output that it's currently on and continue to
 	 * do so as the cursor moves between outputs. */
-	if (event->seat_client == seat->pointer_state.focused_client)
-		wlr_cursor_set_surface(cursor, event->surface,
-				event->hotspot_x, event->hotspot_y);
+	if (event->seat_client == seat->pointer_state.focused_client) {
+		last_cursor.shape = 0;
+		last_cursor.surface = event->surface;
+		last_cursor.hotspot_x = event->hotspot_x;
+		last_cursor.hotspot_y = event->hotspot_y;
+
+		wl_list_remove(&last_cursor.destroy.link);
+		wl_list_init(&last_cursor.destroy.link);
+		if (event->surface) {
+			last_cursor.destroy.notify = unlastcursor;
+			wl_signal_add(&event->surface->events.destroy, &last_cursor.destroy);
+		}
+
+		if (!cursor_hidden)
+			wlr_cursor_set_surface(cursor, event->surface,
+					event->hotspot_x, event->hotspot_y);
+	}
 }
 
 void
@@ -2325,9 +2393,14 @@ setcursorshape(struct wl_listener *listener, void *data)
 	/* This can be sent by any client, so we check to make sure this one
 	 * actually has pointer focus first. If so, we can tell the cursor to
 	 * use the provided cursor shape. */
-	if (event->seat_client == seat->pointer_state.focused_client)
-		wlr_cursor_set_xcursor(cursor, cursor_mgr,
-				wlr_cursor_shape_v1_name(event->shape));
+	if (event->seat_client == seat->pointer_state.focused_client) {
+		last_cursor.shape = event->shape;
+		last_cursor.surface = NULL;
+
+		if (!cursor_hidden)
+			wlr_cursor_set_xcursor(cursor, cursor_mgr,
+					wlr_cursor_shape_v1_name(event->shape));
+	}
 }
 
 void
@@ -2592,6 +2665,9 @@ setup(void)
 	cursor = wlr_cursor_create();
 	wlr_cursor_attach_output_layout(cursor, output_layout);
 
+	/* Initialize the last_cursor destroy listener link so it's safe to remove later */
+	wl_list_init(&last_cursor.destroy.link);
+
 	/* Creates an xcursor manager, another wlroots utility which loads up
 	 * Xcursor themes to source cursor images from and makes sure that cursor
 	 * images are available at all scale factors on the screen (necessary for
-- 
2.53.0