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Fix pointer events with multiple outputs in wayland backend

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emersion 2017-12-13 22:32:22 +01:00
parent 257559d890
commit a1302cc4a5
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 48 additions and 7 deletions
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33
backend/wayland/backend.c
View file

@ -1,6 +1,7 @@
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <limits.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <wayland-server.h>
@ -117,6 +118,38 @@ struct wlr_wl_backend_output *wlr_wl_output_for_surface(
return NULL;
}
void wlr_wl_output_layout_get_box(struct wlr_wl_backend *backend,
struct wlr_box *box) {
int min_x = INT_MAX, min_y = INT_MAX;
int max_x = INT_MIN, max_y = INT_MIN;
struct wlr_wl_backend_output *output;
wl_list_for_each(output, &backend->outputs, link) {
struct wlr_output *wlr_output = &output->wlr_output;
int width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
if (wlr_output->lx < min_x) {
min_x = wlr_output->lx;
}
if (wlr_output->ly < min_y) {
min_y = wlr_output->ly;
}
if (wlr_output->lx + width > max_x) {
max_x = wlr_output->lx + width;
}
if (wlr_output->ly + height > max_y) {
max_y = wlr_output->ly + height;
}
}
box->x = min_x;
box->y = min_y;
box->width = max_x - min_x;
box->height = max_y - min_y;
}
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
wlr_log(L_INFO, "Creating wayland backend");

19
backend/wayland/wl_seat.c
View file

@ -52,23 +52,28 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
return;
}
struct wlr_output *wlr_output = &wlr_wl_pointer->current_output->wlr_output;
struct wlr_box box;
wl_egl_window_get_attached_size(wlr_wl_pointer->current_output->egl_window,
&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);
wlr_output_transform_apply_to_box(wlr_output->transform, &box, &transformed);
box.x /= wlr_output->scale;
box.y /= wlr_output->scale;
struct wlr_box layout_box;
wlr_wl_output_layout_get_box(wlr_wl_pointer->current_output->backend, &layout_box);
struct wlr_event_pointer_motion_absolute wlr_event;
wlr_event.device = dev;
wlr_event.time_msec = time;
wlr_event.width_mm = transformed.width;
wlr_event.height_mm = transformed.height;
wlr_event.x_mm = transformed.x;
wlr_event.y_mm = transformed.y;
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;
wl_signal_emit(&dev->pointer->events.motion_absolute, &wlr_event);
}

3
include/backend/wayland.h
View file

@ -7,6 +7,7 @@
#include <wayland-egl.h>
#include <wlr/render/egl.h>
#include <wlr/backend/wayland.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_input_device.h>
#include <wayland-util.h>
@ -75,6 +76,8 @@ void wlr_wl_registry_poll(struct wlr_wl_backend *backend);
void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output);
struct wlr_wl_backend_output *wlr_wl_output_for_surface(
struct wlr_wl_backend *backend, struct wl_surface *surface);
void wlr_wl_output_layout_get_box(struct wlr_wl_backend *backend,
struct wlr_box *box);
extern const struct wl_seat_listener seat_listener;