44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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Copyright 2013 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LAYER_STACK_H
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#define LAYER_STACK_H
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#include <stdint.h>
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#include "action.h"
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/*
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* Layer stack
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*/
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#define LAYER_STACK_SIZE 8
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typedef struct {
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uint8_t layer:4;
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uint8_t next:3;
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bool used;
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} layer_item_t;
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bool layer_stack_push(uint8_t layer);
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bool layer_stack_pop(void);
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bool layer_stack_remove(uint8_t layer);
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bool layer_stack_remove_then_push(uint8_t layer);
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bool layer_stack_remove_or_push(uint8_t layer);
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void layer_stack_debug(void);
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action_t layer_stack_get_action(key_t key);
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#endif
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