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Merge pull request #2766 from MachFour/nagbar-shell-exec 

i3-nagbar: add button flag to execute action with /bin/sh directly
This commit is contained in:
Ingo Bürk 2017-05-12 15:39:40 +02:00 committed by GitHub
parent b56cb84e16 2fe9d7bbd2
commit 38827fbb7e
2 changed files with 78 additions and 52 deletions
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116
i3-nagbar/main.c
View File

@ -50,6 +50,7 @@ static char *argv0 = NULL;
typedef struct {
i3String *label;
char *action;
bool exec_in_terminal;
int16_t x;
uint16_t width;
} button_t;
@ -123,6 +124,51 @@ static void start_application(const char *command) {
wait(0);
}
static void execute_in_terminal(const char *command) {
/* We need to create a custom script containing our actual command
* since not every terminal emulator which is contained in
* i3-sensible-terminal supports -e with multiple arguments (and not
* all of them support -e with one quoted argument either).
*
* NB: The paths need to be unique, that is, don’t assume users close
* their nagbars at any point in time (and they still need to work).
* */
char *script_path = get_process_filename("nagbar-cmd");
int fd = open(script_path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
if (fd == -1) {
warn("Could not create temporary script to store the nagbar command");
return;
}
FILE *script = fdopen(fd, "w");
if (script == NULL) {
warn("Could not fdopen() temporary script to store the nagbar command");
return;
}
fprintf(script, "#!/bin/sh\nrm %s\n%s", script_path, command);
/* Also closes fd */
fclose(script);
char *link_path;
char *exe_path = get_exe_path(argv0);
sasprintf(&link_path, "%s.nagbar_cmd", script_path);
if (symlink(exe_path, link_path) == -1) {
err(EXIT_FAILURE, "Failed to symlink %s to %s", link_path, exe_path);
}
char *terminal_cmd;
sasprintf(&terminal_cmd, "i3-sensible-terminal -e %s", link_path);
printf("argv0 = %s\n", argv0);
printf("terminal_cmd = %s\n", terminal_cmd);
start_application(terminal_cmd);
free(link_path);
free(terminal_cmd);
free(script_path);
free(exe_path);
}
static button_t *get_button_at(int16_t x, int16_t y) {
for (int c = 0; c < buttoncnt; c++)
if (x >= (buttons[c].x) && x <= (buttons[c].x + buttons[c].width))
@ -149,51 +195,15 @@ static void handle_button_release(xcb_connection_t *conn, xcb_button_release_eve
if (event->event_x >= btn_close.x && event->event_x < btn_close.x + btn_close.width)
exit(0);
button_t *button = get_button_at(event->event_x, event->event_y);
if (!button)
return;
/* We need to create a custom script containing our actual command
* since not every terminal emulator which is contained in
* i3-sensible-terminal supports -e with multiple arguments (and not
* all of them support -e with one quoted argument either).
*
* NB: The paths need to be unique, that is, don’t assume users close
* their nagbars at any point in time (and they still need to work).
* */
char *script_path = get_process_filename("nagbar-cmd");
int fd = open(script_path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
if (fd == -1) {
warn("Could not create temporary script to store the nagbar command");
if (!button) {
return;
}
FILE *script = fdopen(fd, "w");
if (script == NULL) {
warn("Could not fdopen() temporary script to store the nagbar command");
return;
if (button->exec_in_terminal) {
execute_in_terminal(button->action);
} else {
start_application(button->action);
}
fprintf(script, "#!/bin/sh\nrm %s\n%s", script_path, button->action);
/* Also closes fd */
fclose(script);
char *link_path;
char *exe_path = get_exe_path(argv0);
sasprintf(&link_path, "%s.nagbar_cmd", script_path);
if (symlink(exe_path, link_path) == -1) {
err(EXIT_FAILURE, "Failed to symlink %s to %s", link_path, exe_path);
}
char *terminal_cmd;
sasprintf(&terminal_cmd, "i3-sensible-terminal -e %s", link_path);
printf("argv0 = %s\n", argv0);
printf("terminal_cmd = %s\n", terminal_cmd);
start_application(terminal_cmd);
free(link_path);
free(terminal_cmd);
free(script_path);
free(exe_path);
/* TODO: unset flag, re-render */
}
@ -358,12 +368,13 @@ int main(int argc, char *argv[]) {
{"version", no_argument, 0, 'v'},
{"font", required_argument, 0, 'f'},
{"button", required_argument, 0, 'b'},
{"button-sh", required_argument, 0, 'B'},
{"help", no_argument, 0, 'h'},
{"message", required_argument, 0, 'm'},
{"type", required_argument, 0, 't'},
{0, 0, 0, 0}};
char *options_string = "b:f:m:t:vh";
char *options_string = "B:b:f:m:t:vh";
prompt = i3string_from_utf8("Please do not run this program.");
@ -385,15 +396,26 @@ int main(int argc, char *argv[]) {
break;
case 'h':
printf("i3-nagbar " I3_VERSION "\n");
printf("i3-nagbar [-m <message>] [-b <button> <action>] [-t warning|error] [-f <font>] [-v]\n");
printf("i3-nagbar [-m <message>] [-b <button> <terminal-action>] "
"[-B <button> <shell-action> [-t warning|error] [-f <font>] [-v]\n");
return 0;
/* falls through */
case 'B':
case 'b':
buttons = srealloc(buttons, sizeof(button_t) * (buttoncnt + 1));
buttons[buttoncnt].label = i3string_from_utf8(optarg);
buttons[buttoncnt].action = argv[optind];
printf("button with label *%s* and action *%s*\n",
i3string_as_utf8(buttons[buttoncnt].label),
buttons[buttoncnt].action);
if (o == 'b') {
buttons[buttoncnt].exec_in_terminal = true;
printf("button with label *%s* and terminal action *%s*\n",
i3string_as_utf8(buttons[buttoncnt].label),
buttons[buttoncnt].action);
} else {
buttons[buttoncnt].exec_in_terminal = false;
printf("button with label *%s* and shell action *%s*\n",
i3string_as_utf8(buttons[buttoncnt].label),
buttons[buttoncnt].action);
}
buttoncnt++;
printf("now %d buttons\n", buttoncnt);
if (optind < argc)

14
man/i3-nagbar.man
View File

@ -9,7 +9,7 @@ i3-nagbar - displays an error bar on top of your screen
== SYNOPSIS
i3-nagbar [-m <message>] [-b <button> <action>] [-t warning|error] [-f <font>] [-v]
i3-nagbar [-m <message>] [-b <button> <terminal-action>] [-B <button> <shell-action>] [-t warning|error] [-f <font>] [-v]
== OPTIONS
@ -29,9 +29,13 @@ Display 'message' as text on the left of the i3-nagbar.
*-f, --font* 'font'::
Select font that is being used.
*-b, --button* 'button' 'action'::
Create a button with text 'button'. The 'action' are the shell commands that
will be executed by this button. Multiple buttons can be defined.
*-b, --button* 'button' 'terminal-action'::
Adds a button labelled 'button' to the bar. When pressed, the command given
in 'terminal-action' is executed inside a terminal emulator, via i3-sensible-terminal(1).
Multiple buttons can be defined.
*-B, --button-sh* 'button' 'shell-action'::
Same as *--button*, except that the command given in 'shell-action' is executed directly by the shell.
== DESCRIPTION
@ -49,7 +53,7 @@ i3-nagbar -m 'You have an error in your i3 config file!' \
== SEE ALSO
i3(1)
i3(1), i3-sensible-terminal(1)
== AUTHOR