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114 lines
3.7 KiB
114 lines
3.7 KiB
/*
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* block.h - definition of a block
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* Copyright (C) 2014 Vivien Didelot
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 _BLOCK_H
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#define _BLOCK_H
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#include <sys/types.h>
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#include "click.h"
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#include "log.h"
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#define PROP_I3BAR 1 /* See http://i3wm.org/docs/i3bar-protocol.html */
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#define PROP_GAPS 1 /* See https://github.com/Airblader/i3/blob/gaps/docs/i3bar-protocol */
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#define PROP_STRING 2
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#define PROP_NUMBER 4
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#define PROP_BOOLEAN 8
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#define INTER_ONCE -1
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#define INTER_REPEAT -2
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#define INTER_PERSIST -3
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#define FORMAT_PLAIN 0
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#define FORMAT_JSON 1
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/* Block command exit codes */
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#define EXIT_URGENT '!' /* 33 */
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#define EXIT_ERR_INTERNAL 66
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#define PROPERTIES(_) \
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_(full_text, 1024, PROP_I3BAR | PROP_STRING) \
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_(short_text, 512, PROP_I3BAR | PROP_STRING) \
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_(color, 10, PROP_I3BAR | PROP_STRING) \
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_(background, 10, PROP_I3BAR | PROP_STRING) \
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_(border, 10, PROP_I3BAR | PROP_STRING) \
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_(min_width, 1024, PROP_I3BAR | PROP_STRING | PROP_NUMBER) \
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_(align, 8, PROP_I3BAR | PROP_STRING) \
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_(name, 32, PROP_I3BAR | PROP_STRING) \
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_(instance, 256, PROP_I3BAR | PROP_STRING) \
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_(urgent, 8, PROP_I3BAR | PROP_BOOLEAN) \
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_(separator, 8, PROP_I3BAR | PROP_BOOLEAN) \
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_(separator_block_width, 8, PROP_I3BAR | PROP_NUMBER) \
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_(markup, 8, PROP_I3BAR | PROP_STRING) \
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_(command, 1024, PROP_STRING) \
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_(interval, 8, PROP_STRING | PROP_NUMBER) \
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_(signal, 8, PROP_NUMBER) \
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_(label, 32, PROP_STRING) \
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_(format, 8, PROP_STRING | PROP_NUMBER) \
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_(border_top, 8, PROP_GAPS | PROP_NUMBER) \
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_(border_bottom, 8, PROP_GAPS | PROP_NUMBER) \
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_(border_left, 8, PROP_GAPS | PROP_NUMBER) \
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_(border_right, 8, PROP_GAPS | PROP_NUMBER) \
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struct properties {
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#define DEFINE(_name, _size, _flags) char _name[_size];
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PROPERTIES(DEFINE);
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#undef DEFINE
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};
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struct block {
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struct properties default_props;
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struct properties updated_props;
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/* Shortcuts */
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int interval;
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unsigned signal;
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unsigned format;
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/* Runtime info */
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unsigned long timestamp;
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pid_t pid;
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int out, err;
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};
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/* Shortcuts to config */
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#define NAME(_block) (_block->default_props.name)
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#define INSTANCE(_block) (_block->default_props.instance)
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#define COMMAND(_block) (_block->default_props.command)
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#define LABEL(_block) (_block->default_props.label)
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#define INTERVAL(_block) (_block->default_props.interval)
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/* Shortcuts to update */
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#define FULL_TEXT(_block) (_block->updated_props.full_text)
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#define bdebug(block, msg, ...) \
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debug("[%s] " msg, NAME(block), ##__VA_ARGS__)
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#define berror(block, msg, ...) \
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error("[%s] " msg, NAME(block), ##__VA_ARGS__)
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#define berrorx(block, msg, ...) \
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errorx("[%s] " msg, NAME(block), ##__VA_ARGS__)
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void block_setup(struct block *);
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void block_spawn(struct block *, struct click *);
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void block_reap(struct block *);
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void block_update(struct block *);
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#endif /* _BLOCK_H */
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