initial commit
This commit is contained in:
Richard Acayan
commit
1c606d0274
36 changed files with 9908 additions and 0 deletions
316
wayland/input.c
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316
wayland/input.c
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// SPDX-License-Identifier: GPL-3.0-only
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/*
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* Wayland input handling.
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*
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* Copyright (c) 2024, Richard Acayan. All rights reserved.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <wayland-client-protocol.h>
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#include <xkbcommon/xkbcommon.h>
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#include "input.h"
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#include "keymap.h"
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#include "ufkbd.h"
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#include "wayland.h"
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#include "wayland/input-method-unstable-v2.h"
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#include "wayland/virtual-keyboard-unstable-v1.h"
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static void ignore()
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{}
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static void on_pointer_move(void *data,
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struct wl_pointer *pointer __attribute__((unused)),
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uint32_t serial __attribute__((unused)),
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wl_fixed_t x,
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wl_fixed_t y)
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{
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struct ufkbd_wl_input *ctx = data;
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struct ufkbd_input_wayland *ufkbd_wl = ctx->ufkbd_wl;
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struct ufkbd_ctx *ufkbd = ufkbd_wl->ufkbd;
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ufkbd_input_position(ufkbd, UFKBD_PRESS_MAX - 1, x / 256, y / 256);
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}
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static void on_pointer_button(void *data,
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struct wl_pointer *pointer,
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uint32_t serial,
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uint32_t time,
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uint32_t button,
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uint32_t state)
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{
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struct ufkbd_wl_input *ctx = data;
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struct ufkbd_input_wayland *ufkbd_wl = ctx->ufkbd_wl;
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struct ufkbd_ctx *ufkbd = ufkbd_wl->ufkbd;
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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ufkbd_input_press(ufkbd, UFKBD_PRESS_MAX - 1);
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else if (state == WL_POINTER_BUTTON_STATE_RELEASED)
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ufkbd_input_release(ufkbd, UFKBD_PRESS_MAX - 1);
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}
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static const struct wl_pointer_listener pointer_listener = {
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.enter = ignore,
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.leave = ignore,
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.motion = on_pointer_move,
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.button = on_pointer_button,
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.axis = ignore,
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.frame = ignore,
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.axis_source = ignore,
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.axis_stop = ignore,
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.axis_discrete = ignore,
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.axis_value120 = ignore,
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.axis_relative_direction = ignore,
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};
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void on_touch_down(void *data,
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struct wl_touch *wl_touch,
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uint32_t serial,
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uint32_t time,
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struct wl_surface *surface,
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int32_t id,
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wl_fixed_t x,
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wl_fixed_t y)
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{
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struct ufkbd_wl_input *ctx = data;
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struct ufkbd_input_wayland *ufkbd_wl = ctx->ufkbd_wl;
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struct ufkbd_ctx *ufkbd = ufkbd_wl->ufkbd;
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ufkbd_input_position(ufkbd, id, x / 256, y / 256);
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ufkbd_input_press(ufkbd, id);
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}
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void on_touch_up(void *data,
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struct wl_touch *wl_touch,
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uint32_t serial,
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uint32_t time,
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int32_t id)
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{
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struct ufkbd_wl_input *ctx = data;
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struct ufkbd_input_wayland *ufkbd_wl = ctx->ufkbd_wl;
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struct ufkbd_ctx *ufkbd = ufkbd_wl->ufkbd;
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ufkbd_input_release(ufkbd, id);
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}
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void on_touch_motion(void *data,
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struct wl_touch *wl_touch,
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uint32_t time,
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int32_t id,
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wl_fixed_t x,
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wl_fixed_t y)
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{
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struct ufkbd_wl_input *ctx = data;
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struct ufkbd_input_wayland *ufkbd_wl = ctx->ufkbd_wl;
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struct ufkbd_ctx *ufkbd = ufkbd_wl->ufkbd;
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ufkbd_input_position(ufkbd, id, x / 256, y / 256);
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}
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static const struct wl_touch_listener touch_listener = {
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.down = on_touch_down,
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.up = on_touch_up,
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.motion = on_touch_motion,
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.frame = ignore,
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.cancel = ignore,
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.shape = ignore,
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.orientation = ignore,
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};
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static void on_seat_caps(void *data,
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struct wl_seat *seat,
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uint32_t capabilities)
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{
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struct ufkbd_wl_input *ctx = data;
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if (capabilities & WL_SEAT_CAPABILITY_TOUCH) {
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ctx->touch = wl_seat_get_touch(seat);
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if (ctx->touch == NULL)
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return;
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wl_touch_add_listener(ctx->touch, &touch_listener, ctx);
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} else {
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if (ctx->touch != NULL)
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wl_touch_destroy(ctx->touch);
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ctx->touch = NULL;
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}
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if (capabilities & WL_SEAT_CAPABILITY_POINTER) {
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ctx->pointer = wl_seat_get_pointer(seat);
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if (ctx->pointer == NULL)
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return;
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wl_pointer_add_listener(ctx->pointer, &pointer_listener, ctx);
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} else {
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if (ctx->pointer != NULL)
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wl_pointer_destroy(ctx->pointer);
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ctx->pointer = NULL;
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}
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}
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static void on_seat_name(void *data,
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struct wl_seat *seat,
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const char *name)
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{
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printf("wl: found seat %s\n", name);
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}
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struct wl_seat_listener seat_listener = {
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.name = on_seat_name,
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.capabilities = on_seat_caps,
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};
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static int try_create_virtual_keyboard(struct ufkbd_wl_input *ctx)
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{
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struct ufkbd_keymap *keymap = ctx->ufkbd_wl->ufkbd->keymap;
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if (ctx->manager == NULL)
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return -EINVAL;
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if (ctx->seat == NULL)
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return -EINVAL;
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if (ctx->kb != NULL)
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return -EEXIST;
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ctx->kb = zwp_virtual_keyboard_manager_v1_create_virtual_keyboard(ctx->manager,
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ctx->seat);
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if (ctx->kb == NULL)
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return -ENOMEM;
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zwp_virtual_keyboard_v1_keymap(ctx->kb, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
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keymap->fd, keymap->size);
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return 0;
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}
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static void on_global_vkman(void *data,
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struct wl_registry *reg,
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uint32_t name, uint32_t version)
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{
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struct ufkbd_wl_input *ctx = data;
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ctx->manager = wl_registry_bind(reg, name,
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&zwp_virtual_keyboard_manager_v1_interface,
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version);
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if (ctx->manager == NULL)
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return;
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try_create_virtual_keyboard(ctx);
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}
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static void on_global_seat(void *data,
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struct wl_registry *reg,
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uint32_t name, uint32_t version)
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{
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struct ufkbd_wl_input *ctx = data;
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ctx->seat = wl_registry_bind(reg, name, &wl_seat_interface, version);
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if (ctx->seat == NULL)
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return;
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wl_seat_add_listener(ctx->seat, &seat_listener, ctx);
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try_create_virtual_keyboard(ctx);
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}
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int ufkbd_wl_input_send_key(struct ufkbd_wl_input *ctx, int key, bool repeat)
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{
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if (ctx->kb == NULL)
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return -ENODEV;
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zwp_virtual_keyboard_v1_key(ctx->kb, 0, key, WL_KEYBOARD_KEY_STATE_PRESSED);
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if (!repeat)
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zwp_virtual_keyboard_v1_key(ctx->kb, 0, key, WL_KEYBOARD_KEY_STATE_RELEASED);
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return 0;
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}
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int ufkbd_wl_input_send_mod(struct ufkbd_wl_input *ctx, enum ufkbd_modifier mod, bool pressed)
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{
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int bit;
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if (ctx->kb == NULL)
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return -ENODEV;
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if (mod == UFKBD_MOD_SHIFT)
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bit = 0x1;
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else if (mod == UFKBD_MOD_CTRL)
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bit = 0x4;
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else if (mod == UFKBD_MOD_ALT)
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bit = 0x8;
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else
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bit = 0;
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if (pressed)
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ctx->mod_state |= bit;
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else
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ctx->mod_state &= ~bit;
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zwp_virtual_keyboard_v1_modifiers(ctx->kb, ctx->mod_state, 0, 0, 0);
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return 0;
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}
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int ufkbd_wl_input_init(struct ufkbd_input_wayland *ufkbd_wl,
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struct ufkbd_wl_input **out)
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{
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struct ufkbd_wl_input *ctx;
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int ret;
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ctx = calloc(1, sizeof(*ctx));
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if (ctx == NULL)
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return -errno;
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ctx->ufkbd_wl = ufkbd_wl;
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ctx->listener_seat.iface = &wl_seat_interface;
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ctx->listener_seat.cb = on_global_seat;
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ctx->listener_seat.data = ctx;
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ret = ufkbd_wl_global_listener_add(ufkbd_wl, &ctx->listener_seat);
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if (ret)
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goto err;
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ctx->listener_manager.iface = &zwp_virtual_keyboard_manager_v1_interface;
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ctx->listener_manager.cb = on_global_vkman;
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ctx->listener_manager.data = ctx;
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ret = ufkbd_wl_global_listener_add(ufkbd_wl, &ctx->listener_manager);
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if (ret)
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goto err;
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*out = ctx;
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return 0;
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err:
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free(ctx);
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return ret;
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}
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void ufkbd_wl_input_uninit(struct ufkbd_wl_input *ctx)
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{
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if (ctx->touch != NULL)
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wl_touch_destroy(ctx->touch);
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if (ctx->pointer != NULL)
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wl_pointer_destroy(ctx->pointer);
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if (ctx->seat != NULL)
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wl_seat_destroy(ctx->seat);
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if (ctx->kb != NULL)
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zwp_virtual_keyboard_v1_destroy(ctx->kb);
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if (ctx->manager != NULL)
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zwp_virtual_keyboard_manager_v1_destroy(ctx->manager);
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free(ctx);
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}
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