mirror of
https://github.com/Llewellynvdm/conky.git
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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
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* Copyright (c) 2005-2021 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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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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* 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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*/
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#ifndef _EXEC_H
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#define _EXEC_H
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#include "update-cb.hh"
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/**
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* A callback that executes a command and stores the output as a std::string.
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*
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* Important note: if more than one exec callback uses the same command,
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* then only ONE callback is actually stored. This saves space. However,
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* suppose we have the following ${exec} objects in our conky.text:
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*
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* ${exec ~/bin/foo.sh}
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* ${execi 10 ~/bin/foo.sh}
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*
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* To the callback system, these are identical! Furthermore, the callback
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* with the smallest period/interval is the one that is stored. So the execi
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* command will in fact run on every update interval, rather than every
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* ten seconds as one would expect.
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*/
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class exec_cb : public conky::callback<std::string, std::string> {
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typedef conky::callback<std::string, std::string> Base;
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protected:
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virtual void work();
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public:
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exec_cb(uint32_t period, bool wait, const std::string &cmd)
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: Base(period, wait, Base::Tuple(cmd)) {}
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};
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/**
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* Flags used to identify the different types of exec commands during
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* parsing by scan_exec_arg(). These can be used individually or combined.
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* For example, to parse an ${execgraph} object, we pass EF_EXEC | EF_GRAPH
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* as the last argument to scan_exec_arg().
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*/
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enum {
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EF_EXEC = (1 << 0),
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EF_EXECI = (1 << 1),
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EF_BAR = (1 << 2),
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EF_GRAPH = (1 << 3),
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EF_GAUGE = (1 << 4)
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};
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void scan_exec_arg(struct text_object *, const char *, unsigned int);
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void register_exec(struct text_object *);
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void register_execi(struct text_object *);
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void print_exec(struct text_object *, char *, unsigned int);
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double execbarval(struct text_object *);
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void free_exec(struct text_object *);
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void free_execi(struct text_object *);
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#endif /* _EXEC_H */
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