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b0bf8ca5f7
This adds limited support for OSC-99, kitty desktop notifications[^1]. We
support everything defined by the "protocol", except:
* 'a': action to perform on notification activation. Since we don't
trigger the notification ourselves (over D-Bus), we don't know a)
which ID the notification got, or b) when it is clicked.
* ... and that's it. Everything else is supported
To be explicit, we *do* support:
* Chunked notifications (d=0|1), allowing the application to append
data to a notification in chunks, before it's finally displayed.
* Plain UTF-8, or base64-encoded UTF-8 payload (e=0|1).
* Notification identifier (i=xyz).
* Payload type (p=title|body).
* When to honor the notification (o=always|unfocused|invisible), with
the following quirks:
- we don't know when the window is invisible, thus it's treated as
'unfocused'.
- the foot option 'notify-focus-inhibit' overrides 'always'
* Urgency (u=0|1|2)
[^1]: https://sw.kovidgoyal.net/kitty/desktop-notifications/
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
#include "notify.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define LOG_MODULE "notify"
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#define LOG_ENABLE_DBG 0
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#include "log.h"
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#include "config.h"
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#include "spawn.h"
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#include "terminal.h"
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#include "xmalloc.h"
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void
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notify_notify(const struct terminal *term, const char *title, const char *body,
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enum notify_when when, enum notify_urgency urgency)
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{
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LOG_DBG("notify: title=\"%s\", msg=\"%s\"", title, body);
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if ((term->conf->notify_focus_inhibit || when != NOTIFY_ALWAYS)
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&& term->kbd_focus)
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{
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/* No notifications while we're focused */
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return;
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}
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if (title == NULL || body == NULL)
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return;
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if (term->conf->notify.argv.args == NULL)
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return;
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char **argv = NULL;
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size_t argc = 0;
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const char *urgency_str =
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urgency == NOTIFY_URGENCY_LOW
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? "low"
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: urgency == NOTIFY_URGENCY_NORMAL
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? "normal" : "critical";
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if (!spawn_expand_template(
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&term->conf->notify, 5,
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(const char *[]){"app-id", "window-title", "title", "body", "urgency"},
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(const char *[]){term->app_id ? term->app_id : term->conf->app_id,
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term->window_title, title, body, urgency_str},
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&argc, &argv))
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{
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return;
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}
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LOG_DBG("notify command:");
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for (size_t i = 0; i < argc; i++)
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LOG_DBG(" argv[%zu] = \"%s\"", i, argv[i]);
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/* Redirect stdin to /dev/null, but ignore failure to open */
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int devnull = open("/dev/null", O_RDONLY);
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spawn(term->reaper, NULL, argv, devnull, -1, -1, NULL);
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if (devnull >= 0)
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close(devnull);
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for (size_t i = 0; i < argc; i++)
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free(argv[i]);
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free(argv);
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}
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