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mpv/video/out/wayland_common.c
Sergey Kvachonok 01717dcd2c vo_wayland: Add "multimedia" keyboard key bindings. 
libxkbcommon keysyms are the same as X11 keysyms (sans prefix),
so I simply copied the missing subsection from x11_common.c.

Signed-off-by: Sergey Kvachonok <ravenexp@gmail.com>
Signed-off-by: wm4 <wm4@nowhere>
2014-11-29 19:13:47 +01:00

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/*
* This file is part of mpv video player.
* Copyright © 2008 Kristian Høgsberg
* Copyright © 2012-2013 Collabora, Ltd.
* Copyright © 2013 Alexander Preisinger <alexander.preisinger@gmail.com>
*
* mpv 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 Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <inttypes.h>
#include <limits.h>
#include <assert.h>
#include <poll.h>
#include <unistd.h>
#include <sys/mman.h>
#include <linux/input.h>
#include "config.h"
#include "misc/bstr.h"
#include "options/options.h"
#include "common/msg.h"
#include "talloc.h"
#include "wayland_common.h"
#include "vo.h"
#include "win_state.h"
#include "osdep/timer.h"
#include "input/input.h"
#include "input/event.h"
#include "input/keycodes.h"
#define MOD_SHIFT_MASK 0x01
#define MOD_ALT_MASK 0x02
#define MOD_CONTROL_MASK 0x04
static int lookupkey(int key);
static void hide_cursor(struct vo_wayland_state * wl);
static void show_cursor(struct vo_wayland_state * wl);
static void window_move(struct vo_wayland_state * wl, uint32_t serial);
static void window_set_title(struct vo_wayland_state * wl, const char *title);
static void schedule_resize(struct vo_wayland_state *wl,
uint32_t edges,
int32_t width,
int32_t height);
static void vo_wayland_fullscreen (struct vo *vo);
static const struct mp_keymap keymap[] = {
// special keys
{XKB_KEY_Pause, MP_KEY_PAUSE}, {XKB_KEY_Escape, MP_KEY_ESC},
{XKB_KEY_BackSpace, MP_KEY_BS}, {XKB_KEY_Tab, MP_KEY_TAB},
{XKB_KEY_Return, MP_KEY_ENTER}, {XKB_KEY_Menu, MP_KEY_MENU},
{XKB_KEY_Print, MP_KEY_PRINT},
// cursor keys
{XKB_KEY_Left, MP_KEY_LEFT}, {XKB_KEY_Right, MP_KEY_RIGHT},
{XKB_KEY_Up, MP_KEY_UP}, {XKB_KEY_Down, MP_KEY_DOWN},
// navigation block
{XKB_KEY_Insert, MP_KEY_INSERT}, {XKB_KEY_Delete, MP_KEY_DELETE},
{XKB_KEY_Home, MP_KEY_HOME}, {XKB_KEY_End, MP_KEY_END},
{XKB_KEY_Page_Up, MP_KEY_PAGE_UP}, {XKB_KEY_Page_Down, MP_KEY_PAGE_DOWN},
// F-keys
{XKB_KEY_F1, MP_KEY_F+1}, {XKB_KEY_F2, MP_KEY_F+2},
{XKB_KEY_F3, MP_KEY_F+3}, {XKB_KEY_F4, MP_KEY_F+4},
{XKB_KEY_F5, MP_KEY_F+5}, {XKB_KEY_F6, MP_KEY_F+6},
{XKB_KEY_F7, MP_KEY_F+7}, {XKB_KEY_F8, MP_KEY_F+8},
{XKB_KEY_F9, MP_KEY_F+9}, {XKB_KEY_F10, MP_KEY_F+10},
{XKB_KEY_F11, MP_KEY_F+11}, {XKB_KEY_F12, MP_KEY_F+12},
// numpad independent of numlock
{XKB_KEY_KP_Subtract, '-'}, {XKB_KEY_KP_Add, '+'},
{XKB_KEY_KP_Multiply, '*'}, {XKB_KEY_KP_Divide, '/'},
{XKB_KEY_KP_Enter, MP_KEY_KPENTER},
// numpad with numlock
{XKB_KEY_KP_0, MP_KEY_KP0}, {XKB_KEY_KP_1, MP_KEY_KP1},
{XKB_KEY_KP_2, MP_KEY_KP2}, {XKB_KEY_KP_3, MP_KEY_KP3},
{XKB_KEY_KP_4, MP_KEY_KP4}, {XKB_KEY_KP_5, MP_KEY_KP5},
{XKB_KEY_KP_6, MP_KEY_KP6}, {XKB_KEY_KP_7, MP_KEY_KP7},
{XKB_KEY_KP_8, MP_KEY_KP8}, {XKB_KEY_KP_9, MP_KEY_KP9},
{XKB_KEY_KP_Decimal, MP_KEY_KPDEC}, {XKB_KEY_KP_Separator, MP_KEY_KPDEC},
// numpad without numlock
{XKB_KEY_KP_Insert, MP_KEY_KPINS}, {XKB_KEY_KP_End, MP_KEY_KP1},
{XKB_KEY_KP_Down, MP_KEY_KP2}, {XKB_KEY_KP_Page_Down, MP_KEY_KP3},
{XKB_KEY_KP_Left, MP_KEY_KP4}, {XKB_KEY_KP_Begin, MP_KEY_KP5},
{XKB_KEY_KP_Right, MP_KEY_KP6}, {XKB_KEY_KP_Home, MP_KEY_KP7},
{XKB_KEY_KP_Up, MP_KEY_KP8}, {XKB_KEY_KP_Page_Up, MP_KEY_KP9},
{XKB_KEY_KP_Delete, MP_KEY_KPDEL},
// "Multimedia keyboard" keys
{XKB_KEY_XF86MenuKB, MP_KEY_MENU},
{XKB_KEY_XF86AudioPlay, MP_KEY_PLAY}, {XKB_KEY_XF86AudioPause, MP_KEY_PAUSE},
{XKB_KEY_XF86AudioStop, MP_KEY_STOP},
{XKB_KEY_XF86AudioPrev, MP_KEY_PREV}, {XKB_KEY_XF86AudioNext, MP_KEY_NEXT},
{XKB_KEY_XF86AudioRewind, MP_KEY_REWIND},
{XKB_KEY_XF86AudioForward, MP_KEY_FORWARD},
{XKB_KEY_XF86AudioMute, MP_KEY_MUTE},
{XKB_KEY_XF86AudioLowerVolume, MP_KEY_VOLUME_DOWN},
{XKB_KEY_XF86AudioRaiseVolume, MP_KEY_VOLUME_UP},
{XKB_KEY_XF86HomePage, MP_KEY_HOMEPAGE}, {XKB_KEY_XF86WWW, MP_KEY_WWW},
{XKB_KEY_XF86Mail, MP_KEY_MAIL}, {XKB_KEY_XF86Favorites, MP_KEY_FAVORITES},
{XKB_KEY_XF86Search, MP_KEY_SEARCH}, {XKB_KEY_XF86Sleep, MP_KEY_SLEEP},
{0, 0}
};
/** Wayland listeners **/
static void ssurface_handle_ping(void *data,
struct wl_shell_surface *shell_surface,
uint32_t serial)
{
wl_shell_surface_pong(shell_surface, serial);
}
static void ssurface_handle_configure(void *data,
struct wl_shell_surface *shell_surface,
uint32_t edges,
int32_t width,
int32_t height)
{
struct vo_wayland_state *wl = data;
schedule_resize(wl, edges, width, height);
}
static void ssurface_handle_popup_done(void *data,
struct wl_shell_surface *shell_surface)
{
}
static const struct wl_shell_surface_listener shell_surface_listener = {
ssurface_handle_ping,
ssurface_handle_configure,
ssurface_handle_popup_done
};
static void output_handle_geometry(void *data,
struct wl_output *wl_output,
int32_t x,
int32_t y,
int32_t physical_width,
int32_t physical_height,
int32_t subpixel,
const char *make,
const char *model,
int32_t transform)
{
struct vo_wayland_output *output = data;
output->make = make;
output->model = model;
}
static void output_handle_mode(void *data,
struct wl_output *wl_output,
uint32_t flags,
int32_t width,
int32_t height,
int32_t refresh)
{
struct vo_wayland_output *output = data;
// only save current mode
if (!output || !(flags & WL_OUTPUT_MODE_CURRENT))
return;
output->width = width;
output->height = height;
output->flags = flags;
output->refresh_rate = refresh;
}
static const struct wl_output_listener output_listener = {
output_handle_geometry,
output_handle_mode
};
/* SURFACE LISTENER */
static void surface_handle_enter(void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
struct vo_wayland_state *wl = data;
wl->display.current_output = NULL;
struct vo_wayland_output *o;
wl_list_for_each(o, &wl->display.output_list, link) {
if (o->output == output) {
wl->display.current_output = o;
break;
}
}
}
static void surface_handle_leave(void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
// window can be displayed at 2 output, but we only use the most recently
// entered and discard the previous one even if a part of the window is
// still visible on the previous entered output.
// Don't bother with a "leave" logic
}
static const struct wl_surface_listener surface_listener = {
surface_handle_enter,
surface_handle_leave
};
/* KEYBOARD LISTENER */
static void keyboard_handle_keymap(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t format,
int32_t fd,
uint32_t size)
{
struct vo_wayland_state *wl = data;
char *map_str;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
close(fd);
return;
}
map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (map_str == MAP_FAILED) {
close(fd);
return;
}
wl->input.xkb.keymap = xkb_keymap_new_from_string(wl->input.xkb.context,
map_str,
XKB_KEYMAP_FORMAT_TEXT_V1,
0);
munmap(map_str, size);
close(fd);
if (!wl->input.xkb.keymap) {
MP_ERR(wl, "failed to compile keymap\n");
return;
}
wl->input.xkb.state = xkb_state_new(wl->input.xkb.keymap);
if (!wl->input.xkb.state) {
MP_ERR(wl, "failed to create XKB state\n");
xkb_keymap_unref(wl->input.xkb.keymap);
wl->input.xkb.keymap = NULL;
return;
}
}
static void keyboard_handle_enter(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
struct wl_surface *surface,
struct wl_array *keys)
{
}
static void keyboard_handle_leave(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
struct wl_surface *surface)
{
}
static void keyboard_handle_key(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
struct vo_wayland_state *wl = data;
uint32_t code, num_syms;
int mpkey;
const xkb_keysym_t *syms;
xkb_keysym_t sym;
code = key + 8;
num_syms = xkb_state_key_get_syms(wl->input.xkb.state, code, &syms);
sym = XKB_KEY_NoSymbol;
if (num_syms == 1)
sym = syms[0];
if (sym != XKB_KEY_NoSymbol && (mpkey = lookupkey(sym))) {
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
mp_input_put_key(wl->vo->input_ctx, mpkey | MP_KEY_STATE_DOWN);
else
mp_input_put_key(wl->vo->input_ctx, mpkey | MP_KEY_STATE_UP);
}
}
static void keyboard_handle_modifiers(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
struct vo_wayland_state *wl = data;
xkb_state_update_mask(wl->input.xkb.state,
mods_depressed,
mods_latched,
mods_locked,
0, 0, group);
}
static void keyboard_handle_repeat_info(void *data,
struct wl_keyboard *wl_keyboard,
int32_t rate,
int32_t delay)
{
struct vo_wayland_state *wl = data;
if (wl->vo->opts->native_keyrepeat) {
if (rate < 0 || delay < 0) {
MP_WARN(wl, "Invalid rate or delay values sent by compositor\n");
return;
}
mp_input_set_repeat_info(wl->vo->input_ctx, rate, delay);
}
}
static const struct wl_keyboard_listener keyboard_listener = {
keyboard_handle_keymap,
keyboard_handle_enter,
keyboard_handle_leave,
keyboard_handle_key,
keyboard_handle_modifiers,
keyboard_handle_repeat_info
};
/* POINTER LISTENER */
static void pointer_handle_enter(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t sx_w,
wl_fixed_t sy_w)
{
struct vo_wayland_state *wl = data;
wl->cursor.serial = serial;
wl->cursor.pointer = pointer;
/* Release the left button on pointer enter again
* because after moving the shell surface no release event is sent */
mp_input_put_key(wl->vo->input_ctx, MP_MOUSE_BTN0 | MP_KEY_STATE_UP);
show_cursor(wl);
}
static void pointer_handle_leave(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface)
{
struct vo_wayland_state *wl = data;
mp_input_put_key(wl->vo->input_ctx, MP_KEY_MOUSE_LEAVE);
}
static void pointer_handle_motion(void *data,
struct wl_pointer *pointer,
uint32_t time,
wl_fixed_t sx_w,
wl_fixed_t sy_w)
{
struct vo_wayland_state *wl = data;
wl->cursor.pointer = pointer;
wl->window.mouse_x = wl_fixed_to_int(sx_w);
wl->window.mouse_y = wl_fixed_to_int(sy_w);
mp_input_set_mouse_pos(wl->vo->input_ctx, wl->window.mouse_x,
wl->window.mouse_y);
}
static void pointer_handle_button(void *data,
struct wl_pointer *pointer,
uint32_t serial,
uint32_t time,
uint32_t button,
uint32_t state)
{
struct vo_wayland_state *wl = data;
mp_input_put_key(wl->vo->input_ctx, MP_MOUSE_BTN0 + (button - BTN_LEFT) |
((state == WL_POINTER_BUTTON_STATE_PRESSED)
? MP_KEY_STATE_DOWN : MP_KEY_STATE_UP));
if (!mp_input_test_dragging(wl->vo->input_ctx, wl->window.mouse_x, wl->window.mouse_y) &&
(button == BTN_LEFT) && (state == WL_POINTER_BUTTON_STATE_PRESSED))
window_move(wl, serial);
}
static void pointer_handle_axis(void *data,
struct wl_pointer *pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
struct vo_wayland_state *wl = data;
// value is 10.00 on a normal mouse wheel
// scale it down to 1.00 for multipliying it with the commands
if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL) {
if (value > 0)
mp_input_put_axis(wl->vo->input_ctx, MP_AXIS_DOWN,
wl_fixed_to_double(value)*0.1);
if (value < 0)
mp_input_put_axis(wl->vo->input_ctx, MP_AXIS_UP,
wl_fixed_to_double(value)*-0.1);
}
else if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL) {
if (value > 0)
mp_input_put_axis(wl->vo->input_ctx, MP_AXIS_RIGHT,
wl_fixed_to_double(value)*0.1);
if (value < 0)
mp_input_put_axis(wl->vo->input_ctx, MP_AXIS_LEFT,
wl_fixed_to_double(value)*-0.1);
}
}
static const struct wl_pointer_listener pointer_listener = {
pointer_handle_enter,
pointer_handle_leave,
pointer_handle_motion,
pointer_handle_button,
pointer_handle_axis,
};
static void seat_handle_capabilities(void *data,
struct wl_seat *seat,
enum wl_seat_capability caps)
{
struct vo_wayland_state *wl = data;
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !wl->input.keyboard) {
wl->input.keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(wl->input.keyboard, &keyboard_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && wl->input.keyboard) {
wl_keyboard_destroy(wl->input.keyboard);
wl->input.keyboard = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !wl->input.pointer) {
wl->input.pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(wl->input.pointer, &pointer_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && wl->input.pointer) {
wl_pointer_destroy(wl->input.pointer);
wl->input.pointer = NULL;
}
}
static void seat_handle_name(void *data,
struct wl_seat *seat,
const char *name)
{
struct vo_wayland_state *wl = data;
MP_VERBOSE(wl, "Seat \"%s\" connected\n", name);
}
static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
seat_handle_name,
};
static void data_offer_handle_offer(void *data,
struct wl_data_offer *offer,
const char *mime_type)
{
struct vo_wayland_state *wl = data;
if (strcmp(mime_type, "text/uri-list") != 0)
MP_VERBOSE(wl, "unsupported mime type for drag and drop: %s\n", mime_type);
}
static const struct wl_data_offer_listener data_offer_listener = {
data_offer_handle_offer,
};
static void data_device_handle_data_offer(void *data,
struct wl_data_device *wl_data_device,
struct wl_data_offer *id)
{
struct vo_wayland_state *wl = data;
if (wl->input.offer) {
MP_ERR(wl, "There is already a dnd entry point.\n");
wl_data_offer_destroy(wl->input.offer);
}
wl->input.offer = id;
wl_data_offer_add_listener(id, &data_offer_listener, wl);
}
static void data_device_handle_enter(void *data,
struct wl_data_device *wl_data_device,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t x,
wl_fixed_t y,
struct wl_data_offer *id)
{
struct vo_wayland_state *wl = data;
if (wl->input.offer != id)
MP_FATAL(wl, "Fatal dnd error (Please report this issue)\n");
wl_data_offer_accept(id, serial, "text/uri-list");
}
static void data_device_handle_leave(void *data,
struct wl_data_device *wl_data_device)
{
struct vo_wayland_state *wl = data;
if (wl->input.offer) {
wl_data_offer_destroy(wl->input.offer);
wl->input.offer = NULL;
}
// dnd fd is closed on POLLHUP
}
static void data_device_handle_motion(void *data,
struct wl_data_device *wl_data_device,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y)
{
}
static void data_device_handle_drop(void *data,
struct wl_data_device *wl_data_device)
{
struct vo_wayland_state *wl = data;
int pipefd[2];
if (pipe(pipefd) == -1) {
MP_FATAL(wl, "can't create pipe for dnd communication\n");
return;
}
wl->input.dnd_fd = pipefd[0];
wl_data_offer_receive(wl->input.offer, "text/uri-list", pipefd[1]);
close(pipefd[1]);
}
static void data_device_handle_selection(void *data,
struct wl_data_device *wl_data_device,
struct wl_data_offer *id)
{
}
static const struct wl_data_device_listener data_device_listener = {
data_device_handle_data_offer,
data_device_handle_enter,
data_device_handle_leave,
data_device_handle_motion,
data_device_handle_drop,
data_device_handle_selection
};
static void registry_handle_global (void *data,
struct wl_registry *reg,
uint32_t id,
const char *interface,
uint32_t version)
{
struct vo_wayland_state *wl = data;
if (strcmp(interface, "wl_compositor") == 0) {
wl->display.compositor = wl_registry_bind(reg, id,
&wl_compositor_interface, 1);
}
else if (strcmp(interface, "wl_shell") == 0) {
wl->display.shell = wl_registry_bind(reg, id, &wl_shell_interface, 1);
}
else if (strcmp(interface, "wl_shm") == 0) {
wl->display.shm = wl_registry_bind(reg, id, &wl_shm_interface, 1);
}
else if (strcmp(interface, "wl_output") == 0) {
struct vo_wayland_output *output =
talloc_zero(wl, struct vo_wayland_output);
output->id = id;
output->output = wl_registry_bind(reg, id, &wl_output_interface, 1);
wl_output_add_listener(output->output, &output_listener, output);
wl_list_insert(&wl->display.output_list, &output->link);
}
else if (strcmp(interface, "wl_data_device_manager") == 0) {
wl->input.devman = wl_registry_bind(reg,
id,
&wl_data_device_manager_interface,
1);
}
else if (strcmp(interface, "wl_seat") == 0) {
wl->input.seat = wl_registry_bind(reg, id, &wl_seat_interface, 4);
wl_seat_add_listener(wl->input.seat, &seat_listener, wl);
wl->input.datadev = wl_data_device_manager_get_data_device(
wl->input.devman, wl->input.seat);
wl_data_device_add_listener(wl->input.datadev, &data_device_listener, wl);
}
else if (strcmp(interface, "wl_subcompositor") == 0) {
wl->display.subcomp = wl_registry_bind(reg, id,
&wl_subcompositor_interface, 1);
}
}
static void registry_handle_global_remove (void *data,
struct wl_registry *registry,
uint32_t id)
{
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove
};
/*** internal functions ***/
static int lookupkey(int key)
{
const char *passthrough_keys = " -+*/<>`~!@#$%^&()_{}:;\"\',.?\\|=[]";
int mpkey = 0;
if ((key >= 'a' && key <= 'z') ||
(key >= 'A' && key <= 'Z') ||
(key >= '0' && key <= '9') ||
(key > 0 && key < 256 && strchr(passthrough_keys, key)))
mpkey = key;
if (!mpkey)
mpkey = lookup_keymap_table(keymap, key);
return mpkey;
}
static void hide_cursor (struct vo_wayland_state *wl)
{
if (!wl->cursor.pointer)
return;
wl_pointer_set_cursor(wl->cursor.pointer, wl->cursor.serial, NULL, 0, 0);
}
static void show_cursor (struct vo_wayland_state *wl)
{
if (!wl->cursor.pointer)
return;
struct wl_cursor_image *image = wl->cursor.default_cursor->images[0];
struct wl_buffer *buffer = wl_cursor_image_get_buffer(image);
wl_pointer_set_cursor(wl->cursor.pointer,
wl->cursor.serial,
wl->cursor.surface,
image->hotspot_x,
image->hotspot_y);
wl_surface_attach(wl->cursor.surface, buffer, 0, 0);
wl_surface_damage(wl->cursor.surface, 0, 0, image->width, image->height);
wl_surface_commit(wl->cursor.surface);
}
static void window_move(struct vo_wayland_state *wl, uint32_t serial)
{
if (wl->display.shell)
wl_shell_surface_move(wl->window.shell_surface, wl->input.seat, serial);
}
static void window_set_toplevel(struct vo_wayland_state *wl)
{
if (wl->display.shell)
wl_shell_surface_set_toplevel(wl->window.shell_surface);
}
static void window_set_title(struct vo_wayland_state *wl, const char *title)
{
if (wl->display.shell)
wl_shell_surface_set_title(wl->window.shell_surface, title);
}
static void schedule_resize(struct vo_wayland_state *wl,
uint32_t edges,
int32_t width,
int32_t height)
{
int32_t minimum_size = 150;
int32_t x, y;
float temp_aspect = width / (float) MPMAX(height, 1);
MP_DBG(wl, "schedule resize: %dx%d\n", width, height);
if (width < minimum_size)
width = minimum_size;
if (height < minimum_size)
height = minimum_size;
// don't keep the aspect ration in fullscreen mode, because the compositor
// shows the desktop in the border regions if the video has not the same
// aspect ration as the screen
/* if only the height is changed we have to calculate the width
* in any other case we calculate the height */
switch (edges) {
case WL_SHELL_SURFACE_RESIZE_TOP:
case WL_SHELL_SURFACE_RESIZE_BOTTOM:
width = wl->window.aspect * height;
break;
case WL_SHELL_SURFACE_RESIZE_LEFT:
case WL_SHELL_SURFACE_RESIZE_RIGHT:
case WL_SHELL_SURFACE_RESIZE_TOP_LEFT: // just a preference
case WL_SHELL_SURFACE_RESIZE_TOP_RIGHT:
case WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT:
case WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT:
height = (1 / wl->window.aspect) * width;
break;
default:
if (wl->window.aspect < temp_aspect)
width = wl->window.aspect * height;
else
height = (1 / wl->window.aspect) * width;
break;
}
if (edges & WL_SHELL_SURFACE_RESIZE_LEFT)
x = wl->window.width - width;
else
x = 0;
if (edges & WL_SHELL_SURFACE_RESIZE_TOP)
y = wl->window.height - height;
else
y = 0;
wl->window.sh_width = width;
wl->window.sh_height = height;
wl->window.sh_x = x;
wl->window.sh_y = y;
wl->window.events |= VO_EVENT_RESIZE;
wl->vo->dwidth = width;
wl->vo->dheight = height;
}
static bool create_display (struct vo_wayland_state *wl)
{
if (wl->vo->probing && !getenv("XDG_RUNTIME_DIR"))
return false;
wl->display.display = wl_display_connect(NULL);
if (!wl->display.display) {
MP_MSG(wl, wl->vo->probing ? MSGL_V : MSGL_ERR,
"failed to connect to a wayland server: "
"check if a wayland compositor is running\n");
return false;
}
wl->display.registry = wl_display_get_registry(wl->display.display);
wl_registry_add_listener(wl->display.registry, &registry_listener, wl);
wl_display_roundtrip(wl->display.display);
wl->display.display_fd = wl_display_get_fd(wl->display.display);
return true;
}
static void destroy_display (struct vo_wayland_state *wl)
{
struct vo_wayland_output *output = NULL;
struct vo_wayland_output *tmp = NULL;
wl_list_for_each_safe(output, tmp, &wl->display.output_list, link) {
if (output && output->output) {
wl_output_destroy(output->output);
output->output = NULL;
wl_list_remove(&output->link);
}
}
if (wl->display.shm)
wl_shm_destroy(wl->display.shm);
if (wl->display.shell)
wl_shell_destroy(wl->display.shell);
if (wl->display.subcomp)
wl_subcompositor_destroy(wl->display.subcomp);
if (wl->display.compositor)
wl_compositor_destroy(wl->display.compositor);
if (wl->display.registry)
wl_registry_destroy(wl->display.registry);
if (wl->display.display) {
wl_display_flush(wl->display.display);
wl_display_disconnect(wl->display.display);
}
}
static bool create_window (struct vo_wayland_state *wl)
{
wl->window.video_surface =
wl_compositor_create_surface(wl->display.compositor);
wl_surface_add_listener(wl->window.video_surface,
&surface_listener, wl);
if (wl->display.shell) {
wl->window.shell_surface = wl_shell_get_shell_surface(wl->display.shell,
wl->window.video_surface);
if (!wl->window.shell_surface) {
MP_ERR(wl, "creating shell surface failed\n");
return false;
}
wl_shell_surface_add_listener(wl->window.shell_surface,
&shell_surface_listener, wl);
wl_shell_surface_set_toplevel(wl->window.shell_surface);
wl_shell_surface_set_class(wl->window.shell_surface, "mpv");
}
return true;
}
static void destroy_window (struct vo_wayland_state *wl)
{
if (wl->window.shell_surface)
wl_shell_surface_destroy(wl->window.shell_surface);
if (wl->window.video_surface)
wl_surface_destroy(wl->window.video_surface);
}
static bool create_cursor (struct vo_wayland_state *wl)
{
if (!wl->display.shm) {
MP_ERR(wl->vo, "no shm interface available\n");
return false;
}
wl->cursor.surface =
wl_compositor_create_surface(wl->display.compositor);
if (!wl->cursor.surface)
return false;
wl->cursor.theme = wl_cursor_theme_load(NULL, 32, wl->display.shm);
wl->cursor.default_cursor = wl_cursor_theme_get_cursor(wl->cursor.theme,
"left_ptr");
return true;
}
static void destroy_cursor (struct vo_wayland_state *wl)
{
if (wl->cursor.theme)
wl_cursor_theme_destroy(wl->cursor.theme);
if (wl->cursor.surface)
wl_surface_destroy(wl->cursor.surface);
}
static bool create_input (struct vo_wayland_state *wl)
{
wl->input.xkb.context = xkb_context_new(0);
if (!wl->input.xkb.context) {
MP_ERR(wl, "failed to initialize input: check xkbcommon\n");
return false;
}
wl->input.dnd_fd = -1;
return true;
}
static void destroy_input (struct vo_wayland_state *wl)
{
if (wl->input.keyboard) {
wl_keyboard_destroy(wl->input.keyboard);
xkb_keymap_unref(wl->input.xkb.keymap);
xkb_state_unref(wl->input.xkb.state);
}
if (wl->input.xkb.context)
xkb_context_unref(wl->input.xkb.context);
if (wl->input.pointer)
wl_pointer_destroy(wl->input.pointer);
if (wl->input.datadev)
wl_data_device_destroy(wl->input.datadev);
if (wl->input.devman)
wl_data_device_manager_destroy(wl->input.devman);
if (wl->input.seat)
wl_seat_destroy(wl->input.seat);
}
/*** mplayer2 interface ***/
int vo_wayland_init (struct vo *vo)
{
vo->wayland = talloc_zero(NULL, struct vo_wayland_state);
struct vo_wayland_state *wl = vo->wayland;
wl->vo = vo;
wl->log = mp_log_new(wl, vo->log, "wayland");
wl_list_init(&wl->display.output_list);
if (!create_input(wl)
|| !create_display(wl)
|| !create_window(wl)
|| !create_cursor(wl))
{
vo_wayland_uninit(vo);
return false;
}
// create_display's roundtrip only adds the interfaces
// the second roundtrip receives output modes, geometry and more ...
wl_display_roundtrip(wl->display.display);
struct vo_wayland_output *o = NULL;
wl_list_for_each(o, &wl->display.output_list, link) {
MP_VERBOSE(wl, "output received:\n"
"\tvendor: %s\n"
"\tmodel: %s\n"
"\tw: %d, h: %d\n"
"\tHz: %d\n",
o->make, o->model,
o->width, o->height,
o->refresh_rate / 1000);
}
vo->event_fd = wl->display.display_fd;
return true;
}
void vo_wayland_uninit (struct vo *vo)
{
struct vo_wayland_state *wl = vo->wayland;
destroy_cursor(wl);
destroy_window(wl);
destroy_display(wl);
destroy_input(wl);
talloc_free(wl);
vo->wayland = NULL;
}
static void vo_wayland_ontop (struct vo *vo)
{
struct vo_wayland_state *wl = vo->wayland;
MP_DBG(wl, "going ontop\n");
vo->opts->ontop = 1;
window_set_toplevel(wl);
schedule_resize(wl, 0, wl->window.width, wl->window.height);
}
static void vo_wayland_fullscreen (struct vo *vo)
{
struct vo_wayland_state *wl = vo->wayland;
if (!wl->display.shell)
return;
struct wl_output *fs_output = wl->display.fs_output;
if (vo->opts->fullscreen) {
MP_DBG(wl, "going fullscreen\n");
wl->window.is_fullscreen = true;
wl->window.p_width = wl->window.width;
wl->window.p_height = wl->window.height;
wl_shell_surface_set_fullscreen(wl->window.shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
0, fs_output);
}
else {
MP_DBG(wl, "leaving fullscreen\n");
wl->window.is_fullscreen = false;
window_set_toplevel(wl);
schedule_resize(wl, 0, wl->window.p_width, wl->window.p_height);
}
}
static int vo_wayland_check_events (struct vo *vo)
{
struct vo_wayland_state *wl = vo->wayland;
struct wl_display *dp = wl->display.display;
wl_display_dispatch_pending(dp);
wl_display_flush(dp);
struct pollfd fd = {
wl->display.display_fd,
POLLIN | POLLOUT | POLLERR | POLLHUP,
0
};
/* wl_display_dispatch is blocking
* wl_dipslay_dispatch_pending is non-blocking but does not read from the fd
*
* when pausing no input events get queued so we have to check if there
* are events to read from the file descriptor through poll */
if (poll(&fd, 1, 0) > 0) {
if (fd.revents & POLLERR || fd.revents & POLLHUP) {
MP_FATAL(wl, "error occurred on the display fd: "
"closing file descriptor\n");
close(wl->display.display_fd);
mp_input_put_key(vo->input_ctx, MP_KEY_CLOSE_WIN);
}
if (fd.revents & POLLIN)
wl_display_dispatch(dp);
if (fd.revents & POLLOUT)
wl_display_flush(dp);
}
/* If drag & drop was ended poll the file descriptor from the offer if
* there is data to read.
* We only accept the mime type text/uri-list.
*/
if (wl->input.dnd_fd != -1) {
fd.fd = wl->input.dnd_fd;
fd.events = POLLIN | POLLHUP | POLLERR;
if (poll(&fd, 1, 0) > 0) {
if (fd.revents & POLLERR) {
MP_ERR(wl, "error occured on the drag&drop fd\n");
close(wl->input.dnd_fd);
wl->input.dnd_fd = -1;
}
if (fd.revents & POLLIN) {
int const to_read = 2048;
char *buffer = malloc(to_read);
size_t buffer_len = to_read;
size_t str_len = 0;
int has_read = 0;
if (!buffer)
goto fail;
while (0 < (has_read = read(fd.fd, buffer+str_len, to_read))) {
if (buffer_len + to_read < buffer_len) {
MP_ERR(wl, "Integer overflow while reading from fd\n");
break;
}
str_len += has_read;
buffer_len += to_read;
void *ptr = realloc(buffer, buffer_len);
if (!ptr)
break;
buffer = ptr;
if (has_read < to_read) {
buffer[str_len] = 0;
struct bstr file_list = bstr0(buffer);
mp_event_drop_mime_data(vo->input_ctx, "text/uri-list",
file_list);
break;
}
}
fail:
free(buffer);
}
if (fd.revents & POLLHUP) {
close(wl->input.dnd_fd);
wl->input.dnd_fd = -1;
}
}
}
// window events are reset by the resizing code
return wl->window.events;
}
static void vo_wayland_update_screeninfo(struct vo *vo, struct mp_rect *screenrc)
{
struct vo_wayland_state *wl = vo->wayland;
struct mp_vo_opts *opts = vo->opts;
*screenrc = (struct mp_rect){0};
int screen_id = 0;
struct vo_wayland_output *output;
struct vo_wayland_output *first_output = NULL;
struct vo_wayland_output *fsscreen_output = NULL;
if (opts->fsscreen_id >= 0) {
wl_list_for_each_reverse(output, &wl->display.output_list, link) {
if (!output || !output->width)
continue;
if (opts->fsscreen_id == screen_id)
fsscreen_output = output;
screen_id++;
}
}
if (fsscreen_output) {
wl->display.fs_output = fsscreen_output->output;
screenrc->x1 = fsscreen_output->width;
screenrc->y1 = fsscreen_output->height;
}
else {
wl->display.fs_output = NULL; /* current output is always 0 */
if (first_output) {
screenrc->x1 = wl->display.current_output->width;
screenrc->y1 = wl->display.current_output->height;
}
}
wl->window.fs_width = screenrc->x1;
wl->window.fs_height = screenrc->y1;
}
int vo_wayland_control (struct vo *vo, int *events, int request, void *arg)
{
struct vo_wayland_state *wl = vo->wayland;
wl_display_dispatch_pending(wl->display.display);
switch (request) {
case VOCTRL_CHECK_EVENTS:
*events |= vo_wayland_check_events(vo);
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_wayland_fullscreen(vo);
return VO_TRUE;
case VOCTRL_ONTOP:
vo_wayland_ontop(vo);
return VO_TRUE;
case VOCTRL_GET_UNFS_WINDOW_SIZE: {
int *s = arg;
s[0] = wl->window.width;
s[1] = wl->window.height;
return VO_TRUE;
}
case VOCTRL_SET_UNFS_WINDOW_SIZE: {
int *s = arg;
if (!wl->window.is_fullscreen)
schedule_resize(wl, 0, s[0], s[1]);
return VO_TRUE;
}
case VOCTRL_SET_CURSOR_VISIBILITY:
if (*(bool *)arg) {
if (!wl->cursor.visible)
show_cursor(wl);
}
else {
if (wl->cursor.visible)
hide_cursor(wl);
}
wl->cursor.visible = *(bool *)arg;
return VO_TRUE;
case VOCTRL_UPDATE_WINDOW_TITLE:
window_set_title(wl, (char*) arg);
return VO_TRUE;
case VOCTRL_GET_DISPLAY_FPS: {
if (!wl->display.current_output)
break;
// refresh rate is stored in milli-Hertz (mHz)
double fps = wl->display.current_output->refresh_rate / 1000;
*(double*) arg = fps;
return VO_TRUE;
}
}
return VO_NOTIMPL;
}
bool vo_wayland_config (struct vo *vo, uint32_t flags)
{
struct vo_wayland_state *wl = vo->wayland;
struct mp_rect screenrc;
vo_wayland_update_screeninfo(vo, &screenrc);
struct vo_win_geometry geo;
vo_calc_window_geometry(vo, &screenrc, &geo);
vo_apply_window_geometry(vo, &geo);
wl->window.p_width = vo->dwidth;
wl->window.p_height = vo->dheight;
wl->window.aspect = vo->dwidth / (float) MPMAX(vo->dheight, 1);
if (!(flags & VOFLAG_HIDDEN)) {
wl->window.width = vo->dwidth;
wl->window.height = vo->dheight;
vo_wayland_fullscreen(vo);
}
return true;
}
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