[PATCH weston 08/11] Make weston_output_transform_coordinate more sane

[Jason Ekstrand]

The output is renamed "output" from "x11_output" and the input coordinates
are changed to wl_fixed_t from int.  This way it is useable in
compositor-wayland as well as compositor-x11 and evdev.

Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
 src/compositor-x11.c |  9 +++++----
 src/compositor.c     | 34 +++++++++++++++++-----------------
 src/compositor.h     |  4 ++--
 src/evdev.c          | 16 ++++++++++------
 4 files changed, 34 insertions(+), 29 deletions(-)

diff --git a/src/compositor-x11.c b/src/compositor-x11.c
index ee3df31..961ee0a 100644
--- a/src/compositor-x11.c
+++ b/src/compositor-x11.c
@@ -1095,8 +1095,9 @@ x11_compositor_deliver_motion_event(struct x11_compositor *c,
 		update_xkb_state_from_core(c, motion_notify->state);
 	output = x11_compositor_find_output(c, motion_notify->event);
 	weston_output_transform_coordinate(&output->base,
-					   motion_notify->event_x,
-					   motion_notify->event_y, &x, &y);
+					   wl_fixed_from_int(motion_notify->event_x),
+					   wl_fixed_from_int(motion_notify->event_y),
+					   &x, &y);
 
 	notify_motion(&c->core_seat, weston_compositor_get_time(),
 		      x - c->prev_x, y - c->prev_y);
@@ -1120,8 +1121,8 @@ x11_compositor_deliver_enter_event(struct x11_compositor *c,
 		update_xkb_state_from_core(c, enter_notify->state);
 	output = x11_compositor_find_output(c, enter_notify->event);
 	weston_output_transform_coordinate(&output->base,
-					   enter_notify->event_x,
-					   enter_notify->event_y, &x, &y);
+					   wl_fixed_from_int(enter_notify->event_x),
+					   wl_fixed_from_int(enter_notify->event_y), &x, &y);
 
 	notify_pointer_focus(&c->core_seat, &output->base, x, y);
 
diff --git a/src/compositor.c b/src/compositor.c
index 418ebb0..cc33ba5 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -3107,7 +3107,7 @@ weston_output_init(struct weston_output *output, struct weston_compositor *c,
 
 WL_EXPORT void
 weston_output_transform_coordinate(struct weston_output *output,
-				   int device_x, int device_y,
+				   wl_fixed_t device_x, wl_fixed_t device_y,
 				   wl_fixed_t *x, wl_fixed_t *y)
 {
 	wl_fixed_t tx, ty;
@@ -3119,36 +3119,36 @@ weston_output_transform_coordinate(struct weston_output *output,
 	switch(output->transform) {
 	case WL_OUTPUT_TRANSFORM_NORMAL:
 	default:
-		tx = wl_fixed_from_int(device_x);
-		ty = wl_fixed_from_int(device_y);
+		tx = device_x;
+		ty = device_y;
 		break;
 	case WL_OUTPUT_TRANSFORM_90:
-		tx = wl_fixed_from_int(device_y);
-		ty = height - wl_fixed_from_int(device_x);
+		tx = device_y;
+		ty = height - device_x;
 		break;
 	case WL_OUTPUT_TRANSFORM_180:
-		tx = width - wl_fixed_from_int(device_x);
-		ty = height - wl_fixed_from_int(device_y);
+		tx = width - device_x;
+		ty = height - device_y;
 		break;
 	case WL_OUTPUT_TRANSFORM_270:
-		tx = width - wl_fixed_from_int(device_y);
-		ty = wl_fixed_from_int(device_x);
+		tx = width - device_y;
+		ty = device_x;
 		break;
 	case WL_OUTPUT_TRANSFORM_FLIPPED:
-		tx = width - wl_fixed_from_int(device_x);
-		ty = wl_fixed_from_int(device_y);
+		tx = width - device_x;
+		ty = device_y;
 		break;
 	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
-		tx = width - wl_fixed_from_int(device_y);
-		ty = height - wl_fixed_from_int(device_x);
+		tx = width - device_y;
+		ty = height - device_x;
 		break;
 	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
-		tx = wl_fixed_from_int(device_x);
-		ty = height - wl_fixed_from_int(device_y);
+		tx = device_x;
+		ty = height - device_y;
 		break;
 	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
-		tx = wl_fixed_from_int(device_y);
-		ty = wl_fixed_from_int(device_x);
+		tx = device_y;
+		ty = device_x;
 		break;
 	}
 
diff --git a/src/compositor.h b/src/compositor.h
index c36b209..b4dd942 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -1155,8 +1155,8 @@ weston_output_init(struct weston_output *output, struct weston_compositor *c,
 void
 weston_output_destroy(struct weston_output *output);
 void
-weston_output_transform_coordinate(struct weston_output *x11_output,
-				   int device_x, int device_y,
+weston_output_transform_coordinate(struct weston_output *output,
+				   wl_fixed_t device_x, wl_fixed_t device_y,
 				   wl_fixed_t *x, wl_fixed_t *y);
 
 void
diff --git a/src/evdev.c b/src/evdev.c
index ad7a3f6..b3609d5 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -104,16 +104,16 @@ evdev_flush_pending_event(struct evdev_device *device, uint32_t time)
 		goto handled;
 	case EVDEV_ABSOLUTE_MT_DOWN:
 		weston_output_transform_coordinate(device->output,
-						   device->mt.slots[slot].x,
-						   device->mt.slots[slot].y,
+						   wl_fixed_from_int(device->mt.slots[slot].x),
+						   wl_fixed_from_int(device->mt.slots[slot].y),
 						   &x, &y);
 		notify_touch(master, time,
 			     slot, x, y, WL_TOUCH_DOWN);
 		goto handled;
 	case EVDEV_ABSOLUTE_MT_MOTION:
 		weston_output_transform_coordinate(device->output,
-						   device->mt.slots[slot].x,
-						   device->mt.slots[slot].y,
+						   wl_fixed_from_int(device->mt.slots[slot].x),
+						   wl_fixed_from_int(device->mt.slots[slot].y),
 						   &x, &y);
 		notify_touch(master, time,
 			     slot, x, y, WL_TOUCH_MOTION);
@@ -125,13 +125,17 @@ evdev_flush_pending_event(struct evdev_device *device, uint32_t time)
 	case EVDEV_ABSOLUTE_TOUCH_DOWN:
 		transform_absolute(device, &cx, &cy);
 		weston_output_transform_coordinate(device->output,
-						   cx, cy, &x, &y);
+						   wl_fixed_from_int(cx),
+						   wl_fixed_from_int(cy),
+						   &x, &y);
 		notify_touch(master, time, 0, x, y, WL_TOUCH_DOWN);
 		goto handled;
 	case EVDEV_ABSOLUTE_MOTION:
 		transform_absolute(device, &cx, &cy);
 		weston_output_transform_coordinate(device->output,
-						   cx, cy, &x, &y);
+						   wl_fixed_from_int(cx),
+						   wl_fixed_from_int(cy),
+						   &x, &y);
 
 		if (device->caps & EVDEV_TOUCH)
 			notify_touch(master, time, 0, x, y, WL_TOUCH_MOTION);
-- 
1.8.3.1