Remove width_mm from wlr_pointer events

backend/libinput/pointer.c

@@ -53,9 +53,8 @@ void handle_pointer_motion_abs(struct libinput_event *event,
 	wlr_event.device = wlr_dev;
 	wlr_event.time_msec =
 		usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
-	wlr_event.x_mm = libinput_event_pointer_get_absolute_x(pevent);
-	wlr_event.y_mm = libinput_event_pointer_get_absolute_y(pevent);
-	libinput_device_get_size(libinput_dev, &wlr_event.width_mm, &wlr_event.height_mm);
+	wlr_event.x = libinput_event_pointer_get_absolute_x_transformed(pevent, 1);
+	wlr_event.y = libinput_event_pointer_get_absolute_y_transformed(pevent, 1);
 	wlr_signal_emit_safe(&wlr_dev->pointer->events.motion_absolute, &wlr_event);
 }
 

backend/wayland/wl_seat.c

@@ -80,10 +80,8 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
 	struct wlr_event_pointer_motion_absolute wlr_event;
 	wlr_event.device = dev;
 	wlr_event.time_msec = time;
-	wlr_event.width_mm = layout_box.width;
-	wlr_event.height_mm = layout_box.height;
-	wlr_event.x_mm = transformed.x + wlr_output->lx - layout_box.x;
-	wlr_event.y_mm = transformed.y + wlr_output->ly - layout_box.y;
+	wlr_event.x = transformed.x / layout_box.width;
+	wlr_event.y = transformed.y / layout_box.height;
 	wlr_signal_emit_safe(&dev->pointer->events.motion_absolute, &wlr_event);
 }
 

backend/x11/backend.c

@@ -108,10 +108,8 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
 		struct wlr_event_pointer_motion_absolute abs = {
 			.device = &x11->pointer_dev,
 			.time_msec = ev->time,
-			.x_mm = ev->event_x,
-			.y_mm = ev->event_y,
-			.width_mm = output->wlr_output.width,
-			.height_mm = output->wlr_output.height,
+			.x = (double)ev->event_x / output->wlr_output.width,
+			.y = (double)ev->event_y / output->wlr_output.height,
 		};
 
 		wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs);
@@ -136,10 +134,8 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
 		struct wlr_event_pointer_motion_absolute abs = {
 			.device = &x11->pointer_dev,
 			.time_msec = x11->time,
-			.x_mm = pointer->root_x,
-			.y_mm = pointer->root_y,
-			.width_mm = output->wlr_output.width,
-			.height_mm = output->wlr_output.height,
+			.x = (double)pointer->root_x / output->wlr_output.width,
+			.y = (double)pointer->root_y / output->wlr_output.height,
 		};
 
 		wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs);

examples/multi-pointer.c

@@ -118,8 +118,7 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener,
 	struct sample_cursor *cursor =
 		wl_container_of(listener, cursor, cursor_motion_absolute);
 	struct wlr_event_pointer_motion_absolute *event = data;
-	wlr_cursor_warp_absolute(cursor->cursor, event->device,
-		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+	wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y);
 }
 
 static void handle_input_add(struct compositor_state *state,

examples/pointer.c

@@ -154,8 +154,8 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener,
 		wl_container_of(listener, sample, cursor_motion_absolute);
 	struct wlr_event_pointer_motion_absolute *event = data;
 
-	sample->cur_x = event->x_mm;
-	sample->cur_y = event->y_mm;
+	sample->cur_x = event->x;
+	sample->cur_y = event->y;
 
 	wlr_cursor_warp_absolute(sample->cursor, event->device, sample->cur_x,
 		sample->cur_y);

examples/support/shared.c

@@ -108,8 +108,8 @@ static void pointer_motion_absolute_notify(struct wl_listener *listener, void *d
 	struct wlr_event_pointer_motion_absolute *event = data;
 	struct pointer_state *pstate = wl_container_of(listener, pstate, motion_absolute);
 	if (pstate->compositor->pointer_motion_absolute_cb) {
-		pstate->compositor->pointer_motion_absolute_cb(pstate,
-				event->x_mm, event->y_mm);
+		pstate->compositor->pointer_motion_absolute_cb(
+				pstate, event->x, event->y);
 	}
 }
 

include/wlr/types/wlr_cursor.h

@@ -73,7 +73,7 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
 	double x, double y);
 
 void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
-	struct wlr_input_device *dev, double x_mm, double y_mm);
+	struct wlr_input_device *dev, double x, double y);
 
 /**
  * Move the cursor in the direction of the given x and y coordinates.

include/wlr/types/wlr_pointer.h

@@ -29,8 +29,8 @@ struct wlr_event_pointer_motion {
 struct wlr_event_pointer_motion_absolute {
 	struct wlr_input_device *device;
 	uint32_t time_msec;
-	double x_mm, y_mm;
-	double width_mm, height_mm;
+	// From 0..1
+	double x, y;
 };
 
 struct wlr_event_pointer_button {

rootston/cursor.c

@@ -288,8 +288,8 @@ void roots_cursor_handle_motion(struct roots_cursor *cursor,
 
 void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
 		struct wlr_event_pointer_motion_absolute *event) {
-	wlr_cursor_warp_absolute(cursor->cursor, event->device,
-		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+	wlr_cursor_warp_absolute(cursor->cursor,
+			event->device, event->x, event->y);
 	roots_cursor_update_position(cursor, event->time_msec);
 }
 

types/wlr_cursor.c

@@ -254,7 +254,7 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
 }
 
 void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
-		struct wlr_input_device *dev, double x_mm, double y_mm) {
+		struct wlr_input_device *dev, double x, double y) {
 	assert(cur->state->layout);
 
 	struct wlr_box *mapping = get_mapping(cur, dev);
@@ -262,8 +262,8 @@ void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
 		mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
 	}
 
-	double x = x_mm > 0 ? mapping->width * x_mm + mapping->x : cur->x;
-	double y = y_mm > 0 ? mapping->height * y_mm + mapping->y : cur->y;
+	x = x > 0 ? mapping->width * x + mapping->x : cur->x;
+	y = y > 0 ? mapping->height * y + mapping->y : cur->y;
 
 	wlr_cursor_warp_unchecked(cur, x, y);
 }