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RetroArch/input/common/wayland_common.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2020 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
/* Needed for memfd_create */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* See feature_test_macros(7) */
#endif
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/mman.h>
#include <poll.h>
#include <unistd.h>
#include <string/stdstring.h>
#ifdef HAVE_LIBDECOR_H
#include <libdecor.h>
#endif
#include "wayland_common.h"
#include "../input_keymaps.h"
#include "../../frontend/frontend_driver.h"
#include "../../verbosity.h"
#define DND_ACTION WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE
#define FILE_MIME "text/uri-list"
#define TEXT_MIME "text/plain;charset=utf-8"
#define PIPE_MS_TIMEOUT 10
#define IOR_READ 0x1
#define IOR_WRITE 0x2
#define IOR_NO_RETRY 0x4
#define SPLASH_SHM_NAME "retroarch-wayland-splash"
static void wl_keyboard_handle_keymap(void* data,
struct wl_keyboard* keyboard,
uint32_t format,
int fd,
uint32_t size)
{
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
{
close(fd);
return;
}
#ifdef HAVE_XKBCOMMON
init_xkb(fd, size);
#endif
close(fd);
}
static void wl_keyboard_handle_enter(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
struct wl_surface* surface,
struct wl_array* keys)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.keyboard_focus = true;
}
static void wl_keyboard_handle_leave(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.keyboard_focus = false;
/* Release all keys */
memset(wl->input.key_state, 0, sizeof(wl->input.key_state));
}
static void wl_keyboard_handle_key(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
int value = 1;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
uint32_t keysym = key;
/* Handle 'duplicate' inputs that correspond
* to the same RETROK_* key */
switch (key)
{
case KEY_OK:
case KEY_SELECT:
keysym = KEY_ENTER;
case KEY_EXIT:
keysym = KEY_CLEAR;
default:
break;
}
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
{
BIT_SET(wl->input.key_state, keysym);
value = 1;
}
else if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
{
BIT_CLEAR(wl->input.key_state, keysym);
value = 0;
}
#ifdef HAVE_XKBCOMMON
if (handle_xkb(keysym, value) == 0)
return;
#endif
input_keyboard_event(value,
input_keymaps_translate_keysym_to_rk(keysym),
0, 0, RETRO_DEVICE_KEYBOARD);
}
static void wl_keyboard_handle_modifiers(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t modsDepressed,
uint32_t modsLatched,
uint32_t modsLocked,
uint32_t group)
{
#ifdef HAVE_XKBCOMMON
handle_xkb_state_mask(modsDepressed, modsLatched, modsLocked, group);
#endif
}
static void wl_keyboard_handle_repeat_info(void *data,
struct wl_keyboard *wl_keyboard,
int32_t rate,
int32_t delay)
{
/* TODO: Seems like we'll need this to get
* repeat working. We'll have to do it on our own. */
}
void gfx_ctx_wl_show_mouse(void *data, bool state)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl->wl_pointer)
return;
if (state)
{
struct wl_cursor_image *image = wl->cursor.default_cursor->images[0];
wl_pointer_set_cursor(wl->wl_pointer,
wl->cursor.serial, wl->cursor.surface,
image->hotspot_x, image->hotspot_y);
wl_surface_attach(wl->cursor.surface,
wl_cursor_image_get_buffer(image), 0, 0);
wl_surface_damage(wl->cursor.surface, 0, 0, image->width, image->height);
wl_surface_commit(wl->cursor.surface);
}
else
wl_pointer_set_cursor(wl->wl_pointer, wl->cursor.serial, NULL, 0, 0);
wl->cursor.visible = state;
}
static void wl_pointer_handle_enter(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t sx,
wl_fixed_t sy)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.surface = surface;
wl->input.mouse.last_x = wl->fractional_scale ?
(int) FRACTIONAL_SCALE_MULT(wl_fixed_to_int(sx), wl->fractional_scale_num) :
wl_fixed_to_int(sx * (wl_fixed_t)wl->buffer_scale);
wl->input.mouse.last_y = wl->fractional_scale ?
(int) FRACTIONAL_SCALE_MULT(wl_fixed_to_int(sy), wl->fractional_scale_num) :
wl_fixed_to_int(sy * (wl_fixed_t)wl->buffer_scale);
wl->input.mouse.x = wl->input.mouse.last_x;
wl->input.mouse.y = wl->input.mouse.last_y;
wl->input.mouse.focus = true;
wl->cursor.serial = serial;
gfx_ctx_wl_show_mouse(data, wl->cursor.visible);
}
static void wl_pointer_handle_leave(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.focus = false;
wl->input.mouse.left = false;
wl->input.mouse.right = false;
wl->input.mouse.middle = false;
if (wl->input.mouse.surface == surface)
wl->input.mouse.surface = NULL;
}
static void wl_pointer_handle_motion(void *data,
struct wl_pointer *pointer,
uint32_t time,
wl_fixed_t sx,
wl_fixed_t sy)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.x = wl->fractional_scale ?
(int) FRACTIONAL_SCALE_MULT(wl_fixed_to_int(sx), wl->fractional_scale_num) :
wl_fixed_to_int((wl_fixed_t)wl->buffer_scale * sx);
wl->input.mouse.y = wl->fractional_scale ?
(int) FRACTIONAL_SCALE_MULT(wl_fixed_to_int(sy), wl->fractional_scale_num) :
wl_fixed_to_int((wl_fixed_t)wl->buffer_scale * sy);
}
static void wl_pointer_handle_button(void *data,
struct wl_pointer *wl_pointer,
uint32_t serial,
uint32_t time,
uint32_t button,
uint32_t state)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (wl->input.mouse.surface != wl->surface)
return;
if (state == WL_POINTER_BUTTON_STATE_PRESSED)
{
switch (button)
{
case BTN_LEFT:
wl->input.mouse.left = true;
if (BIT_GET(wl->input.key_state, KEY_LEFTALT))
{
#ifdef HAVE_LIBDECOR_H
if (wl->libdecor)
wl->libdecor_frame_move(wl->libdecor_frame, wl->seat, serial);
else
#endif
{
xdg_toplevel_move(wl->xdg_toplevel, wl->seat, serial);
}
}
break;
case BTN_RIGHT:
wl->input.mouse.right = true;
break;
case BTN_MIDDLE:
wl->input.mouse.middle = true;
break;
}
}
else
{
switch (button)
{
case BTN_LEFT:
wl->input.mouse.left = false;
break;
case BTN_RIGHT:
wl->input.mouse.right = false;
break;
case BTN_MIDDLE:
wl->input.mouse.middle = false;
break;
}
}
}
static void wl_pointer_handle_axis(void *data,
struct wl_pointer *wl_pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
double d_value = wl_fixed_to_double(value);
switch (axis)
{
case WL_POINTER_AXIS_VERTICAL_SCROLL:
if (d_value < 0)
wl->input.mouse.wu = true;
else if (d_value > 0)
wl->input.mouse.wd = true;
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
if (d_value < 0)
wl->input.mouse.wl = true;
else if (d_value > 0)
wl->input.mouse.wr = true;
break;
}
}
static void wl_touch_handle_down(void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
struct wl_surface *surface,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (wl->num_active_touches < MAX_TOUCHES)
{
for (i = 0; i < MAX_TOUCHES; i++)
{
/* Use next empty slot */
if (!wl->active_touch_positions[i].active)
{
wl->active_touch_positions[wl->num_active_touches].active = true;
wl->active_touch_positions[wl->num_active_touches].id = id;
wl->active_touch_positions[wl->num_active_touches].x = wl->fractional_scale ?
FRACTIONAL_SCALE_MULT(wl_fixed_to_int(x), wl->fractional_scale_num) :
(unsigned) wl_fixed_to_int(x * (wl_fixed_t)wl->buffer_scale);
wl->active_touch_positions[wl->num_active_touches].y = wl->fractional_scale ?
FRACTIONAL_SCALE_MULT(wl_fixed_to_int(y), wl->fractional_scale_num) :
(unsigned) wl_fixed_to_int(y * (wl_fixed_t)wl->buffer_scale);
wl->num_active_touches++;
break;
}
}
}
}
static void wl_reorder_touches(gfx_ctx_wayland_data_t *wl)
{
int i, j;
if (wl->num_active_touches == 0)
return;
for (i = 0; i < MAX_TOUCHES; i++)
{
if (!wl->active_touch_positions[i].active)
{
for (j=i+1; j<MAX_TOUCHES; j++)
{
if (wl->active_touch_positions[j].active)
{
wl->active_touch_positions[i].active =
wl->active_touch_positions[j].active;
wl->active_touch_positions[i].id =
wl->active_touch_positions[j].id;
wl->active_touch_positions[i].x = wl->active_touch_positions[j].x;
wl->active_touch_positions[i].y = wl->active_touch_positions[j].y;
wl->active_touch_positions[j].active = false;
wl->active_touch_positions[j].id = -1;
wl->active_touch_positions[j].x = (unsigned) 0;
wl->active_touch_positions[j].y = (unsigned) 0;
break;
}
if (j == MAX_TOUCHES)
return;
}
}
}
}
static void wl_touch_handle_up(void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
int32_t id)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
if ( wl->active_touch_positions[i].active
&& wl->active_touch_positions[i].id == id)
{
wl->active_touch_positions[i].active = false;
wl->active_touch_positions[i].id = -1;
wl->active_touch_positions[i].x = (unsigned)0;
wl->active_touch_positions[i].y = (unsigned)0;
wl->num_active_touches--;
}
}
wl_reorder_touches(wl);
}
static void wl_touch_handle_motion(void *data,
struct wl_touch *wl_touch,
uint32_t time,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
if ( wl->active_touch_positions[i].active &&
wl->active_touch_positions[i].id == id)
{
wl->active_touch_positions[i].x = wl->fractional_scale ?
FRACTIONAL_SCALE_MULT(wl_fixed_to_int(x), wl->fractional_scale_num) :
(unsigned) wl_fixed_to_int(x * (wl_fixed_t)wl->buffer_scale);
wl->active_touch_positions[i].y = wl->fractional_scale ?
FRACTIONAL_SCALE_MULT(wl_fixed_to_int(y), wl->fractional_scale_num) :
(unsigned) wl_fixed_to_int(y * (wl_fixed_t)wl->buffer_scale);
}
}
}
static void handle_relative_motion(void *data,
struct zwp_relative_pointer_v1 *zwp_relative_pointer_v1,
uint32_t utime_hi, uint32_t utime_lo,
wl_fixed_t dx, wl_fixed_t dy,
wl_fixed_t dx_unaccel, wl_fixed_t dy_unaccel)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.delta_x = wl_fixed_to_int(dx);
wl->input.mouse.delta_y = wl_fixed_to_int(dy);
if (wl->locked_pointer)
{
wl->input.mouse.x += wl->input.mouse.delta_x;
wl->input.mouse.y += wl->input.mouse.delta_y;
}
}
static void
locked_pointer_locked(void *data, struct zwp_locked_pointer_v1 *locked_pointer)
{
}
static void
locked_pointer_unlocked(void *data, struct zwp_locked_pointer_v1 *locked_pointer)
{
}
static void wl_touch_handle_frame(void *data, struct wl_touch *wl_touch) { }
static void wl_touch_handle_cancel(void *data, struct wl_touch *wl_touch)
{
/* If i understand the spec correctly we have to reset all touches here
* since they were not ment for us anyway */
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
wl->active_touch_positions[i].active = false;
wl->active_touch_positions[i].id = -1;
wl->active_touch_positions[i].x = (unsigned) 0;
wl->active_touch_positions[i].y = (unsigned) 0;
}
wl->num_active_touches = 0;
}
static void wl_seat_handle_capabilities(void *data,
struct wl_seat *seat, unsigned caps)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !wl->wl_keyboard)
{
wl->wl_keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(wl->wl_keyboard, &keyboard_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && wl->wl_keyboard)
{
wl_keyboard_destroy(wl->wl_keyboard);
wl->wl_keyboard = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !wl->wl_pointer)
{
wl->wl_pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(wl->wl_pointer, &pointer_listener, wl);
wl->wl_relative_pointer =
zwp_relative_pointer_manager_v1_get_relative_pointer(
wl->relative_pointer_manager, wl->wl_pointer);
zwp_relative_pointer_v1_add_listener(wl->wl_relative_pointer,
&relative_pointer_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && wl->wl_pointer)
{
wl_pointer_destroy(wl->wl_pointer);
wl->wl_pointer = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !wl->wl_touch)
{
wl->wl_touch = wl_seat_get_touch(seat);
wl_touch_add_listener(wl->wl_touch, &touch_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && wl->wl_touch)
{
wl_touch_destroy(wl->wl_touch);
wl->wl_touch = NULL;
}
}
static void wl_seat_handle_name(void *data,
struct wl_seat *seat, const char *name) { }
/* Surface callbacks. */
static bool wl_update_scale(gfx_ctx_wayland_data_t *wl)
{
surface_output_t *os;
output_info_t *new_output = NULL;
unsigned largest_scale = 0;
wl_list_for_each(os, &wl->current_outputs, link)
{
if (os->output->scale > largest_scale) {
largest_scale = os->output->scale;
new_output = os->output;
}
};
if (new_output && wl->current_output != new_output) {
wl->current_output = new_output;
wl->pending_buffer_scale = new_output->scale;
return true;
}
return false;
}
static bool wl_current_outputs_add(gfx_ctx_wayland_data_t *wl,
struct wl_output *output)
{
display_output_t *od;
surface_output_t *os;
output_info_t *oi_found = NULL;
wl_list_for_each(od, &wl->all_outputs, link)
{
if (od->output->output == output)
{
oi_found = od->output;
break;
}
};
if (oi_found)
{
surface_output_t *os = (surface_output_t*)
calloc(1, sizeof(surface_output_t));
os->output = oi_found;
wl_list_insert(&wl->current_outputs, &os->link);
return true;
}
return false;
}
static bool wl_current_outputs_remove(gfx_ctx_wayland_data_t *wl,
struct wl_output *output)
{
surface_output_t *os;
surface_output_t *os_found = NULL;
wl_list_for_each(os, &wl->current_outputs, link)
{
if (os->output->output == output)
{
os_found = os;
break;
}
};
if (os_found)
{
wl_list_remove(&os_found->link);
free(os_found);
return true;
}
return false;
}
static void wp_fractional_scale_v1_preferred_scale(void *data, struct wp_fractional_scale_v1 *fractional_scale,
uint32_t scale)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->pending_fractional_scale_num = scale;
}
static void wl_surface_enter(void *data, struct wl_surface *wl_surface,
struct wl_output *output)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
output_info_t *oi;
wl->input.mouse.surface = wl_surface;
if (wl_current_outputs_add(wl, output))
wl_update_scale(wl);
}
static void wl_surface_leave(void *data, struct wl_surface *wl_surface, struct wl_output *output)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
output_info_t *oi;
if (wl_current_outputs_remove(wl, output))
wl_update_scale(wl);
}
/* Shell surface callbacks. */
static void xdg_shell_ping(
void *data, struct xdg_wm_base *shell, uint32_t serial)
{
xdg_wm_base_pong(shell, serial);
}
static void xdg_surface_handle_configure(
void *data, struct xdg_surface *surface,
uint32_t serial)
{
xdg_surface_ack_configure(surface, serial);
}
static void wl_output_handle_geometry(void *data,
struct wl_output *output,
int x, int y,
int physical_width, int physical_height,
int subpixel,
const char *make,
const char *model,
int transform)
{
output_info_t *oi = (output_info_t*)data;
oi->physical_width = physical_width;
oi->physical_height = physical_height;
oi->make = strdup(make);
oi->model = strdup(model);
}
static void wl_output_handle_mode(void *data,
struct wl_output *output,
uint32_t flags,
int width,
int height,
int refresh)
{
output_info_t *oi = (output_info_t*)data;
oi->width = width;
oi->height = height;
oi->refresh_rate = refresh;
}
static void wl_output_handle_done(void *data, struct wl_output *output) { }
static void wl_output_handle_scale(void *data,
struct wl_output *output,
int32_t factor)
{
output_info_t *oi = (output_info_t*)data;
oi->scale = factor;
}
static bool wl_setup_data_device(gfx_ctx_wayland_data_t *wl)
{
if (!wl->data_device && wl->data_device_manager && wl->seat)
{
wl->data_device = wl_data_device_manager_get_data_device(
wl->data_device_manager, wl->seat);
if (wl->data_device)
{
wl_data_device_add_listener(wl->data_device,
&data_device_listener, wl);
return true;
}
}
return false;
}
/* Registry callbacks. */
static void wl_registry_handle_global(void *data, struct wl_registry *reg,
uint32_t id, const char *interface, uint32_t version)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
RARCH_DBG("[Wayland]: Add global %u, interface %s, version %u\n",
id, interface, version);
if (string_is_equal(interface, wl_compositor_interface.name))
wl->compositor = (struct wl_compositor*)wl_registry_bind(reg,
id, &wl_compositor_interface, MIN(version, 4));
else if (string_is_equal(interface, wp_viewporter_interface.name))
wl->viewporter = (struct wp_viewporter*)wl_registry_bind(reg,
id, &wp_viewporter_interface, MIN(version, 1));
else if (string_is_equal(interface, wp_fractional_scale_manager_v1_interface.name))
wl->fractional_scale_manager = (struct wp_fractional_scale_manager_v1*)
wl_registry_bind(reg, id, &wp_fractional_scale_manager_v1_interface, MIN(version, 1));
else if (string_is_equal(interface, wl_output_interface.name))
{
display_output_t *od = (display_output_t*)
calloc(1, sizeof(display_output_t));
output_info_t *oi = (output_info_t*)
calloc(1, sizeof(output_info_t));
od->output = oi;
oi->global_id = id;
oi->output = (struct wl_output*)wl_registry_bind(reg,
id, &wl_output_interface, MIN(version, 2));
wl_output_add_listener(oi->output, &output_listener, oi);
wl_list_insert(&wl->all_outputs, &od->link);
wl_display_roundtrip(wl->input.dpy);
}
else if (string_is_equal(interface, xdg_wm_base_interface.name))
wl->xdg_shell = (struct xdg_wm_base*)
wl_registry_bind(reg, id, &xdg_wm_base_interface, MIN(version, 3));
else if (string_is_equal(interface, wl_shm_interface.name))
wl->shm = (struct wl_shm*)wl_registry_bind(reg, id, &wl_shm_interface, MIN(version, 1));
else if (string_is_equal(interface, wl_seat_interface.name))
{
wl->seat = (struct wl_seat*)wl_registry_bind(reg, id, &wl_seat_interface, MIN(version, 2));
wl_seat_add_listener(wl->seat, &seat_listener, wl);
wl_setup_data_device(wl);
}
else if (string_is_equal(interface, wl_data_device_manager_interface.name))
{
wl->data_device_manager = (struct wl_data_device_manager*)
wl_registry_bind(
reg, id, &wl_data_device_manager_interface, MIN(version, 3));
wl_setup_data_device(wl);
}
else if (string_is_equal(interface, zwp_idle_inhibit_manager_v1_interface.name))
wl->idle_inhibit_manager = (struct zwp_idle_inhibit_manager_v1*)
wl_registry_bind(
reg, id, &zwp_idle_inhibit_manager_v1_interface, MIN(version, 1));
else if (string_is_equal(
interface, zxdg_decoration_manager_v1_interface.name))
wl->deco_manager = (struct zxdg_decoration_manager_v1*)wl_registry_bind(
reg, id, &zxdg_decoration_manager_v1_interface, MIN(version, 1));
else if (string_is_equal(interface, zwp_pointer_constraints_v1_interface.name))
{
wl->pointer_constraints = (struct zwp_pointer_constraints_v1*)
wl_registry_bind(
reg, id, &zwp_pointer_constraints_v1_interface, MIN(version, 1));
wl->locked_pointer = NULL;
}
else if (string_is_equal(interface, zwp_relative_pointer_manager_v1_interface.name))
wl->relative_pointer_manager = (struct zwp_relative_pointer_manager_v1*)
wl_registry_bind(
reg, id, &zwp_relative_pointer_manager_v1_interface, MIN(version, 1));
}
static void wl_registry_handle_global_remove(void *data,
struct wl_registry *registry, uint32_t id)
{
display_output_t *od, *tmp;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
bool surface_output_removed = false;
wl_list_for_each_safe(od, tmp, &wl->all_outputs, link)
{
if (od->output->global_id == id)
{
if (wl_current_outputs_remove(wl, od->output->output))
surface_output_removed = true;
wl_list_remove(&od->link);
free(od->output);
free(od);
break;
}
}
if (surface_output_removed)
wl_update_scale(wl);
}
static int wl_ioready(int fd, int flags, int timeoutMS)
{
int result;
do
{
struct pollfd info;
info.fd = fd;
info.events = 0;
if (flags & IOR_READ)
info.events |= POLLIN | POLLPRI;
if (flags & IOR_WRITE)
info.events |= POLLOUT;
result = poll(&info, 1, timeoutMS);
} while ( result < 0 && errno == EINTR && !(flags & IOR_NO_RETRY));
return result;
}
static ssize_t wl_read_pipe(int fd, void** buffer, size_t* total_length,
bool null_terminate)
{
char temp[PIPE_BUF];
void* output_buffer = NULL;
size_t new_buffer_length = 0;
ssize_t bytes_read = 0;
size_t pos = 0;
int ready = wl_ioready(fd, IOR_READ, PIPE_MS_TIMEOUT);
if (ready == 0) /* Pipe timeout? */
bytes_read = -1;
else if (ready < 0) /* Pipe select error? */
bytes_read = -1;
else
{
if ((bytes_read = read(fd, temp, sizeof(temp))) > 0)
{
pos = *total_length;
*total_length += bytes_read;
if (null_terminate)
new_buffer_length = *total_length + 1;
else
new_buffer_length = *total_length;
if (*buffer == NULL)
output_buffer = malloc(new_buffer_length);
else
output_buffer = realloc(*buffer, new_buffer_length);
if (output_buffer)
{
memcpy((uint8_t*)output_buffer + pos, temp, bytes_read);
if (null_terminate)
memset((uint8_t*)output_buffer + (new_buffer_length - 1), 0, 1);
*buffer = output_buffer;
}
}
}
return bytes_read;
}
static void *wayland_data_offer_receive(
struct wl_display *display, struct wl_data_offer *offer,
size_t *length,
const char* mime_type, bool null_terminate)
{
int pipefd[2];
void *buffer = NULL;
*length = 0;
if (!offer)
RARCH_WARN("[Wayland]: Invalid data offer\n");
else if (pipe2(pipefd, O_CLOEXEC|O_NONBLOCK) == -1)
RARCH_WARN("[Wayland]: Could not read pipe");
else
{
wl_data_offer_receive(offer, mime_type, pipefd[1]);
/* Wait for sending client to transfer */
wl_display_roundtrip(display);
close(pipefd[1]);
while (wl_read_pipe(pipefd[0], &buffer, length, null_terminate) > 0);
close(pipefd[0]);
}
return buffer;
}
static void wl_data_device_handle_data_offer(void *data,
struct wl_data_device *data_device, struct wl_data_offer *offer)
{
data_offer_ctx *offer_data = (data_offer_ctx*)calloc(1, sizeof *offer_data);
offer_data->offer = offer;
offer_data->data_device = data_device;
offer_data->dropped = false;
wl_data_offer_set_user_data(offer, offer_data);
wl_data_offer_add_listener(offer, &data_offer_listener, offer_data);
}
static void wl_data_device_handle_enter(void *data,
struct wl_data_device *data_device, uint32_t serial,
struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y,
struct wl_data_offer *offer)
{
data_offer_ctx *offer_data;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
enum wl_data_device_manager_dnd_action dnd_action =
WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
if (!offer)
return;
offer_data = wl_data_offer_get_user_data(offer);
wl->current_drag_offer = offer_data;
wl_data_offer_accept(offer, serial,
offer_data->is_file_mime_type ? FILE_MIME : NULL);
if ( offer_data->is_file_mime_type
&& offer_data->supported_actions & DND_ACTION)
dnd_action = DND_ACTION;
if ( wl_data_offer_get_version(offer)
>= WL_DATA_OFFER_SET_ACTIONS_SINCE_VERSION)
wl_data_offer_set_actions(offer, dnd_action, dnd_action);
}
static void wl_data_device_handle_leave(void *data,
struct wl_data_device *data_device)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
data_offer_ctx *offer_data = wl->current_drag_offer;
if (offer_data && !offer_data->dropped)
{
wl->current_drag_offer = NULL;
wl_data_offer_destroy(offer_data->offer);
free(offer_data);
}
}
static void wl_data_device_handle_motion(void *data,
struct wl_data_device *data_device, uint32_t time,
wl_fixed_t x, wl_fixed_t y) { }
static void wl_data_device_handle_drop(void *data,
struct wl_data_device *data_device)
{
FILE *stream;
int pipefd[2];
void *buffer;
size_t length;
size_t len = 0;
ssize_t read = 0;
char *line = NULL;
char file_list[512][512] = { 0 };
char file_list_i = 0;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
data_offer_ctx *offer_data = wl->current_drag_offer;
offer_data->dropped = true;
if (!offer_data)
return;
pipe(pipefd);
buffer = wayland_data_offer_receive(wl->input.dpy, offer_data->offer, &length, FILE_MIME, false);
close(pipefd[1]);
close(pipefd[0]);
wl->current_drag_offer = NULL;
if (wl_data_offer_get_version(offer_data->offer) >= WL_DATA_OFFER_FINISH_SINCE_VERSION)
wl_data_offer_finish(offer_data->offer);
wl_data_offer_destroy(offer_data->offer);
free(offer_data);
if (!(stream = fmemopen(buffer, length, "r")))
{
RARCH_WARN("[Wayland]: Failed to open DnD buffer\n");
return;
}
RARCH_WARN("[Wayland]: Files opp:\n");
while ((read = getline(&line, &len, stream)) != -1)
{
line[strcspn(line, "\r\n")] = 0;
RARCH_DBG("[Wayland]: > \"%s\"\n", line);
/* TODO/FIXME: Convert from file:// URI, Implement file loading
* Drag and Drop */
#if 0
if (wayland_load_content_from_drop(g_filename_from_uri(line, NULL, NULL)))
RARCH_WARN("----- wayland_load_content_from_drop success\n");
#endif
}
fclose(stream);
free(buffer);
}
static void wl_data_device_handle_selection(void *data,
struct wl_data_device *data_device, struct wl_data_offer *offer) { }
static void wl_data_offer_handle_offer(void *data, struct wl_data_offer *offer,
const char *mime_type)
{
data_offer_ctx *offer_data = data;
/* TODO: Keep list of mime types for offer if beneficial */
if (string_is_equal(mime_type, FILE_MIME))
offer_data->is_file_mime_type = true;
}
static void wl_data_offer_handle_source_actions(void *data,
struct wl_data_offer *offer, enum wl_data_device_manager_dnd_action actions)
{
/* Report of actions for this offer supported by compositor */
data_offer_ctx *offer_data = data;
offer_data->supported_actions = actions;
}
static void wl_data_offer_handle_action(void *data,
struct wl_data_offer *offer,
enum wl_data_device_manager_dnd_action dnd_action) { }
const struct wl_registry_listener registry_listener = {
wl_registry_handle_global,
wl_registry_handle_global_remove,
};
const struct wl_output_listener output_listener = {
wl_output_handle_geometry,
wl_output_handle_mode,
wl_output_handle_done,
wl_output_handle_scale,
};
const struct xdg_wm_base_listener xdg_shell_listener = {
xdg_shell_ping,
};
const struct xdg_surface_listener xdg_surface_listener = {
xdg_surface_handle_configure,
};
const struct wp_fractional_scale_v1_listener wp_fractional_scale_v1_listener = {
wp_fractional_scale_v1_preferred_scale,
};
const struct wl_surface_listener wl_surface_listener = {
wl_surface_enter,
wl_surface_leave,
};
const struct wl_seat_listener seat_listener = {
wl_seat_handle_capabilities,
wl_seat_handle_name,
};
const struct wl_touch_listener touch_listener = {
wl_touch_handle_down,
wl_touch_handle_up,
wl_touch_handle_motion,
wl_touch_handle_frame,
wl_touch_handle_cancel,
};
const struct wl_keyboard_listener keyboard_listener = {
wl_keyboard_handle_keymap,
wl_keyboard_handle_enter,
wl_keyboard_handle_leave,
wl_keyboard_handle_key,
wl_keyboard_handle_modifiers,
wl_keyboard_handle_repeat_info
};
const struct wl_pointer_listener pointer_listener = {
wl_pointer_handle_enter,
wl_pointer_handle_leave,
wl_pointer_handle_motion,
wl_pointer_handle_button,
wl_pointer_handle_axis,
};
const struct wl_data_device_listener data_device_listener = {
wl_data_device_handle_data_offer,
wl_data_device_handle_enter,
wl_data_device_handle_leave,
wl_data_device_handle_motion,
wl_data_device_handle_drop,
wl_data_device_handle_selection
};
const struct wl_data_offer_listener data_offer_listener = {
wl_data_offer_handle_offer,
wl_data_offer_handle_source_actions,
wl_data_offer_handle_action
};
const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
.relative_motion = handle_relative_motion,
};
const struct zwp_locked_pointer_v1_listener locked_pointer_listener = {
.locked = locked_pointer_locked,
.unlocked = locked_pointer_unlocked,
};
void flush_wayland_fd(void *data)
{
struct pollfd fd = {0};
input_ctx_wayland_data_t *wl = (input_ctx_wayland_data_t*)data;
wl_display_dispatch_pending(wl->dpy);
wl_display_flush(wl->dpy);
fd.fd = wl->fd;
fd.events = POLLIN | POLLOUT | POLLERR | POLLHUP;
if (poll(&fd, 1, 0) > 0)
{
if (fd.revents & (POLLERR | POLLHUP))
{
close(wl->fd);
frontend_driver_set_signal_handler_state(1);
}
if (fd.revents & POLLIN)
wl_display_dispatch(wl->dpy);
if (fd.revents & POLLOUT)
wl_display_flush(wl->dpy);
}
}
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