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Apply output transformation to pointer events in Wayland backend

This commit is contained in:
emersion 2017-10-31 18:00:33 +01:00
parent c7c0d34e92
commit 0beae99188
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GPG Key ID: 0FDE7BE0E88F5E48
4 changed files with 85 additions and 40 deletions
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44
backend/drm/drm.c
View File

@ -558,39 +558,17 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
}
}
switch (output->transform) {
case WL_OUTPUT_TRANSFORM_90:
plane->cursor_hotspot_x = hotspot_x;
plane->cursor_hotspot_y = -plane->surf.height + hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_180:
plane->cursor_hotspot_x = plane->surf.width - hotspot_x;
plane->cursor_hotspot_y = plane->surf.height - hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_270:
plane->cursor_hotspot_x = -plane->surf.height + hotspot_x;
plane->cursor_hotspot_y = hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
plane->cursor_hotspot_x = plane->surf.width - hotspot_x;
plane->cursor_hotspot_y = hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
plane->cursor_hotspot_x = hotspot_x;
plane->cursor_hotspot_y = -hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
plane->cursor_hotspot_x = hotspot_x;
plane->cursor_hotspot_y = plane->surf.height - hotspot_y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
plane->cursor_hotspot_x = -plane->surf.height + hotspot_x;
plane->cursor_hotspot_y = plane->surf.width - hotspot_y;
break;
default: // WL_OUTPUT_TRANSFORM_NORMAL
plane->cursor_hotspot_x = hotspot_x;
plane->cursor_hotspot_y = hotspot_y;
}
struct wlr_box hotspot_box = {
.width = plane->surf.width,
.height = plane->surf.height,
.x = hotspot_x,
.y = hotspot_y,
};
struct wlr_box transformed_hotspot_box;
wlr_output_transform_apply_to_box(output->transform,
&hotspot_box, &transformed_hotspot_box);
plane->cursor_hotspot_x = transformed_hotspot_box.x;
plane->cursor_hotspot_y = transformed_hotspot_box.y;
if (!update_pixels) {
// Only update the cursor hotspot

23
backend/wayland/wl_seat.c
View File

@ -42,21 +42,30 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
struct wlr_input_device *dev = data;
assert(dev && dev->pointer);
struct wlr_wl_pointer *wlr_wl_pointer = (struct wlr_wl_pointer *)dev->pointer;
struct wlr_wl_pointer *wlr_wl_pointer =
(struct wlr_wl_pointer *)dev->pointer;
if (!wlr_wl_pointer->current_output) {
wlr_log(L_ERROR, "pointer motion event without current output");
return;
}
int width, height;
struct wlr_box box;
wl_egl_window_get_attached_size(wlr_wl_pointer->current_output->egl_window,
&width, &height);
&box.width, &box.height);
box.x = wl_fixed_to_int(surface_x);
box.y = wl_fixed_to_int(surface_y);
struct wlr_box transformed;
wlr_output_transform_apply_to_box(
wlr_wl_pointer->current_output->wlr_output.transform, &box,
&transformed);
struct wlr_event_pointer_motion_absolute wlr_event;
wlr_event.device = dev;
wlr_event.time_msec = time;
wlr_event.width_mm = width;
wlr_event.height_mm = height;
wlr_event.x_mm = wl_fixed_to_double(surface_x);
wlr_event.y_mm = wl_fixed_to_double(surface_y);
wlr_event.width_mm = transformed.width;
wlr_event.height_mm = transformed.height;
wlr_event.x_mm = transformed.x;
wlr_event.y_mm = transformed.y;
wl_signal_emit(&dev->pointer->events.motion_absolute, &wlr_event);
}

4
include/wlr/interfaces/wlr_output.h
View File

@ -2,6 +2,7 @@
#define WLR_INTERFACES_WLR_OUTPUT_H
#include <stdbool.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_output.h>
#include <wlr/backend.h>
@ -31,4 +32,7 @@ struct wl_global *wlr_output_create_global(struct wlr_output *wlr_output,
struct wl_display *display);
void wlr_output_destroy_global(struct wlr_output *wlr_output);
void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
struct wlr_box *box, struct wlr_box *dest);
#endif

54
types/wlr_output.c
View File

@ -500,3 +500,57 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
wl_list_remove(&cursor->link);
free(cursor);
}
void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
struct wlr_box *box, struct wlr_box *dest) {
switch (transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
case WL_OUTPUT_TRANSFORM_180:
case WL_OUTPUT_TRANSFORM_FLIPPED:
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
dest->width = box->width;
dest->height = box->height;
break;
case WL_OUTPUT_TRANSFORM_90:
case WL_OUTPUT_TRANSFORM_270:
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
dest->width = box->height;
dest->height = box->width;
break;
}
switch (transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
dest->x = box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_90:
dest->x = box->y;
dest->y = box->width - box->x;
break;
case WL_OUTPUT_TRANSFORM_180:
dest->x = box->width - box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_270:
dest->x = box->height - box->y;
dest->y = box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
dest->x = box->width - box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
dest->x = box->y;
dest->y = box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
dest->x = box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
dest->x = box->height - box->y;
dest->y = box->width - box->x;
}
}