87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3bar - an xcb-based status- and ws-bar for i3
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* © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
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*
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* child.c: Getting input for the statusline
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*
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*/
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#pragma once
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#include <stdbool.h>
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#define STDIN_CHUNK_SIZE 1024
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typedef struct {
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pid_t pid;
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/**
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* The version number is an uint32_t to avoid machines with different sizes of
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* 'int' to allow different values here. It’s highly unlikely we ever exceed
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* even an int8_t, but still…
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*/
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uint32_t version;
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bool stopped;
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/**
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* The signal requested by the client to inform it of the hidden state of i3bar
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*/
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int stop_signal;
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/**
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* The signal requested by the client to inform it of theun hidden state of i3bar
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*/
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int cont_signal;
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/**
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* Enable click events
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*/
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bool click_events;
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bool click_events_init;
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} i3bar_child;
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/*
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* Start a child process with the specified command and reroute stdin.
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* We actually start a $SHELL to execute the command so we don't have to care
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* about arguments and such
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*
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*/
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void start_child(char *command);
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/*
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* kill()s the child process (if any). Called when exit()ing.
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*
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*/
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void kill_child_at_exit(void);
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/*
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* kill()s the child process (if any) and closes and
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* free()s the stdin- and SIGCHLD-watchers
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*
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*/
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void kill_child(void);
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/*
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* Sends a SIGSTOP to the child process (if existent)
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*
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*/
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void stop_child(void);
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/*
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* Sends a SIGCONT to the child process (if existent)
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*
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*/
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void cont_child(void);
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/*
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* Whether or not the child want click events
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*
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*/
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bool child_want_click_events(void);
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/*
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* Generates a click event, if enabled.
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*
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*/
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void send_block_clicked(int button, const char *name, const char *instance, int x, int y);
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