Files
squeekboard/eekboard/key-emitter.c
2019-08-13 12:24:11 +00:00

147 lines
6.4 KiB
C

/*
* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2011 Red Hat, Inc.
* Copyright (C) 2019 Purism, SPC
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* This file is responsible for managing keycode data and emitting keycodes. */
#include "eekboard/key-emitter.h"
#include <gdk/gdk.h>
#include <X11/XKBlib.h>
#include "eekboard/eekboard-context-service.h"
// TODO: decide whether it's this struct that carries the keyboard around in key-emitter or if the whole manager should be dragged around
// if this is the carrier, then it should be made part of the manager
// hint: check which fields need to be persisted between keypresses; which between keyboards
typedef struct {
struct zwp_virtual_keyboard_v1 *virtual_keyboard; // unowned copy
struct xkb_keymap *keymap; // unowned copy
XkbDescRec *xkb;
guint modifier_keycodes[8];
guint modifier_indices[MOD_IDX_LAST];
guint group;
} SeatEmitter;
int send_virtual_keyboard_key(
struct zwp_virtual_keyboard_v1 *keyboard,
unsigned int keycode,
unsigned is_press,
uint32_t timestamp
) {
zwp_virtual_keyboard_v1_key(keyboard, timestamp, keycode, (unsigned)is_press);
return 0;
}
/* Finds the first key code for each modifier and saves it in modifier_keycodes */
static void
update_modifier_info (SeatEmitter *client)
{
client->modifier_indices[MOD_IDX_SHIFT] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_SHIFT);
client->modifier_indices[MOD_IDX_CAPS] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_CAPS);
client->modifier_indices[MOD_IDX_CTRL] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_CTRL);
client->modifier_indices[MOD_IDX_ALT] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_ALT);
client->modifier_indices[MOD_IDX_NUM] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_NUM);
client->modifier_indices[MOD_IDX_MOD3] = xkb_keymap_mod_get_index(client->keymap, "Mod3");
client->modifier_indices[MOD_IDX_LOGO] = xkb_keymap_mod_get_index(client->keymap, XKB_MOD_NAME_LOGO);
client->modifier_indices[MOD_IDX_ALTGR] = xkb_keymap_mod_get_index(client->keymap, "Mod5");
client->modifier_indices[MOD_IDX_NUMLK] = xkb_keymap_mod_get_index(client->keymap, "NumLock");
client->modifier_indices[MOD_IDX_ALSO_ALT] = xkb_keymap_mod_get_index(client->keymap, "Alt");
client->modifier_indices[MOD_IDX_LVL3] = xkb_keymap_mod_get_index(client->keymap, "LevelThree");
client->modifier_indices[MOD_IDX_LALT] = xkb_keymap_mod_get_index(client->keymap, "LAlt");
client->modifier_indices[MOD_IDX_RALT] = xkb_keymap_mod_get_index(client->keymap, "RAlt");
client->modifier_indices[MOD_IDX_RCONTROL] = xkb_keymap_mod_get_index(client->keymap, "RControl");
client->modifier_indices[MOD_IDX_LCONTROL] = xkb_keymap_mod_get_index(client->keymap, "LControl");
client->modifier_indices[MOD_IDX_SCROLLLK] = xkb_keymap_mod_get_index(client->keymap, "ScrollLock");
client->modifier_indices[MOD_IDX_LVL5] = xkb_keymap_mod_get_index(client->keymap, "LevelFive");
client->modifier_indices[MOD_IDX_ALSO_ALTGR] = xkb_keymap_mod_get_index(client->keymap, "AltGr");
client->modifier_indices[MOD_IDX_META] = xkb_keymap_mod_get_index(client->keymap, "Meta");
client->modifier_indices[MOD_IDX_SUPER] = xkb_keymap_mod_get_index(client->keymap, "Super");
client->modifier_indices[MOD_IDX_HYPER] = xkb_keymap_mod_get_index(client->keymap, "Hyper");
/*
for (xkb_mod_index_t i = 0;
i < xkb_keymap_num_mods(client->keymap);
i++) {
g_log("squeek", G_LOG_LEVEL_DEBUG, "%s", xkb_keymap_mod_get_name(client->keymap, i));
}*/
}
static void
send_fake_key (SeatEmitter *emitter,
LevelKeyboard *keyboard,
guint keycode,
guint keyboard_modifiers,
gboolean pressed,
uint32_t timestamp)
{
uint32_t proto_modifiers = 0;
guint level = keyboard->level;
uint32_t group = (level / 2);
if (keyboard_modifiers & EEK_SHIFT_MASK)
proto_modifiers |= 1<<MOD_IDX_SHIFT;
zwp_virtual_keyboard_v1_modifiers(emitter->virtual_keyboard, proto_modifiers, 0, 0, group);
send_virtual_keyboard_key (emitter->virtual_keyboard, keycode - 8, (unsigned)pressed, timestamp);
zwp_virtual_keyboard_v1_modifiers(emitter->virtual_keyboard, proto_modifiers, 0, 0, group);
}
void
emit_key_activated (EekboardContextService *manager,
LevelKeyboard *keyboard,
guint keycode,
EekModifierType modifiers,
gboolean pressed,
uint32_t timestamp)
{
/* FIXME: figure out how to deal with Client after key presses go through
if (g_strcmp0 (eek_symbol_get_name (symbol), "cycle-keyboard") == 0) {
client->keyboards_head = g_slist_next (client->keyboards_head);
if (client->keyboards_head == NULL)
client->keyboards_head = client->keyboards;
eekboard_context_set_keyboard (client->context,
GPOINTER_TO_UINT(client->keyboards_head->data),
NULL);
return;
}
if (g_strcmp0 (eek_symbol_get_name (symbol), "preferences") == 0) {
gchar *argv[2];
GError *error;
argv[0] = g_build_filename (LIBEXECDIR, "eekboard-setup", NULL);
argv[1] = NULL;
error = NULL;
if (!g_spawn_async (NULL, argv, NULL, 0, NULL, NULL, NULL, &error)) {
g_warning ("can't spawn %s: %s", argv[0], error->message);
g_error_free (error);
}
g_free (argv[0]);
return;
}
*/
SeatEmitter emitter = {0};
emitter.virtual_keyboard = manager->virtual_keyboard;
emitter.keymap = keyboard->keymap;
update_modifier_info (&emitter);
send_fake_key (&emitter, keyboard, keycode, modifiers, pressed, timestamp);
}