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Introduce pid criteria token

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This can be used as a workaround to flag terminal windows as urgent when
commands are completed, until urgency is introduced in the Wayland
protocol.

Configure your shell to run `swaymsg "[pid=$PPID] urgent enable"` when
commands are completed, and use a terminal which uses one process per
window.
This commit is contained in:
Ryan Dwyer 2019-10-02 17:36:52 +10:00 • committed by Drew DeVault
parent 5ed01c861a
commit 2045ac3472
3 changed files with 21 additions and 1 deletions
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1
include/sway/criteria.h
View file

@ -46,6 +46,7 @@ struct criteria {
bool tiling; bool tiling;
char urgent; // 'l' for latest or 'o' for oldest char urgent; // 'l' for latest or 'o' for oldest
struct pattern *workspace; struct pattern *workspace;
pid_t pid;
}; };
bool criteria_is_empty(struct criteria *criteria); bool criteria_is_empty(struct criteria *criteria);

18
sway/criteria.c
View file

@ -31,7 +31,8 @@ bool criteria_is_empty(struct criteria *criteria) {
&& !criteria->floating && !criteria->floating
&& !criteria->tiling && !criteria->tiling
&& !criteria->urgent && !criteria->urgent
&& !criteria->workspace; && !criteria->workspace
&& !criteria->pid;
} }
// The error pointer is used for parsing functions, and saves having to pass it // The error pointer is used for parsing functions, and saves having to pass it
@ -370,6 +371,12 @@ static bool criteria_matches_view(struct criteria *criteria,
} }
} }
if (criteria->pid) {
if (criteria->pid != view->pid) {
return false;
}
}
return true; return true;
} }
@ -458,6 +465,7 @@ enum criteria_token {
T_TITLE, T_TITLE,
T_URGENT, T_URGENT,
T_WORKSPACE, T_WORKSPACE,
T_PID,
T_INVALID, T_INVALID,
}; };
@ -493,6 +501,8 @@ static enum criteria_token token_from_name(char *name) {
return T_TILING; return T_TILING;
} else if (strcmp(name, "floating") == 0) { } else if (strcmp(name, "floating") == 0) {
return T_FLOATING; return T_FLOATING;
} else if (strcmp(name, "pid") == 0) {
return T_PID;
} }
return T_INVALID; return T_INVALID;
} }
@ -587,6 +597,12 @@ static bool parse_token(struct criteria *criteria, char *name, char *value) {
case T_WORKSPACE: case T_WORKSPACE:
pattern_create(&criteria->workspace, value); pattern_create(&criteria->workspace, value);
break; break;
case T_PID:
criteria->pid = strtoul(value, &endptr, 10);
if (*endptr != 0) {
error = strdup("The value for 'pid' should be numeric");
}
break;
case T_INVALID: case T_INVALID:
break; break;
} }

3
sway/sway.5.scd
View file

@ -850,6 +850,9 @@ The following attributes may be matched with:
value is \_\_focused\_\_, then the window instance must be the same as that value is \_\_focused\_\_, then the window instance must be the same as that
of the currently focused window. of the currently focused window.
*pid*
Compare value against the window's process ID. Must be numeric.
*shell* *shell*
Compare value against the window shell, such as "xdg_shell" or "xwayland". Compare value against the window shell, such as "xdg_shell" or "xwayland".
Can be a regular expression. If value is \_\_focused\_\_, then the shell Can be a regular expression. If value is \_\_focused\_\_, then the shell