Files
squeekboard/eek/eek-keyboard.c
2019-10-09 09:23:06 +00:00

140 lines
4.4 KiB
C

/*
* Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2010-2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
/**
* SECTION:eek-keyboard
* @short_description: Base class of a keyboard
* @see_also: #EekSection
*
* The #EekKeyboardClass class represents a keyboard, which consists
* of one or more sections of the #EekSectionClass class.
*/
#include "config.h"
#include <glib/gprintf.h>
#include "eek-enumtypes.h"
#include "eekboard/eekboard-context-service.h"
#include "eekboard/key-emitter.h"
#include "keymap.h"
#include "src/keyboard.h"
#include "eek-keyboard.h"
EekModifierKey *
eek_modifier_key_copy (EekModifierKey *modkey)
{
return g_slice_dup (EekModifierKey, modkey);
}
void
eek_modifier_key_free (EekModifierKey *modkey)
{
g_slice_free (EekModifierKey, modkey);
}
void
eek_keyboard_set_key_locked (LevelKeyboard *keyboard,
struct squeek_key *key)
{
EekModifierKey *modifier_key = g_slice_new (EekModifierKey);
modifier_key->modifiers = 0;
modifier_key->key = key;
keyboard->locked_keys =
g_list_prepend (keyboard->locked_keys, modifier_key);
}
/// Unlock all locked keys.
/// All locked keys will unlock at the next keypress (should be called "stuck")
/// Returns the number of handled keys
/// TODO: may need to check key type in order to chain locks
/// before pressing an "emitting" key
static int unlock_keys(LevelKeyboard *keyboard) {
int handled = 0;
for (GList *head = keyboard->locked_keys; head; ) {
EekModifierKey *modifier_key = head->data;
GList *next = g_list_next (head);
keyboard->locked_keys =
g_list_remove_link (keyboard->locked_keys, head);
//squeek_key_set_locked(squeek_button_get_key(modifier_key->button), false);
squeek_layout_set_state_from_press(keyboard->layout, keyboard, modifier_key->key);
g_list_free1 (head);
head = next;
handled++;
}
return handled;
}
static void
set_level_from_press (LevelKeyboard *keyboard, struct squeek_key *key)
{
// If the currently locked key was already handled in the unlock phase,
// then skip
if (unlock_keys(keyboard) == 0) {
squeek_layout_set_state_from_press(keyboard->layout, keyboard, key);
}
}
void eek_keyboard_press_key(LevelKeyboard *keyboard, struct squeek_key *key, guint32 timestamp) {
keyboard->pressed_keys = g_list_prepend (keyboard->pressed_keys, key);
squeek_key_press(key, keyboard->manager->virtual_keyboard, KEY_PRESS, timestamp);
}
void eek_keyboard_release_key(LevelKeyboard *keyboard,
struct squeek_key *key,
guint32 timestamp) {
for (GList *head = keyboard->pressed_keys; head; head = g_list_next (head)) {
if (squeek_key_equal(head->data, key)) {
keyboard->pressed_keys = g_list_remove_link (keyboard->pressed_keys, head);
g_list_free1 (head);
break;
}
}
set_level_from_press (keyboard, key);
squeek_key_press(key, keyboard->manager->virtual_keyboard, KEY_RELEASE, timestamp);
}
void level_keyboard_deinit(LevelKeyboard *self) {
squeek_layout_free(self->layout);
}
void level_keyboard_free(LevelKeyboard *self) {
level_keyboard_deinit(self);
g_free(self);
}
void level_keyboard_init(LevelKeyboard *self, struct squeek_layout *layout) {
self->layout = layout;
}
LevelKeyboard *level_keyboard_new(EekboardContextService *manager, struct squeek_layout *layout) {
LevelKeyboard *keyboard = g_new0(LevelKeyboard, 1);
level_keyboard_init(keyboard, layout);
keyboard->manager = manager;
return keyboard;
}
struct squeek_view *level_keyboard_current(LevelKeyboard *keyboard)
{
return squeek_layout_get_current_view(keyboard->layout);
}