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core: watch for configuration file changes

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Automatically reset picom and reload the configuration when a change in
the configuration file is detected.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-11-10 18:58:01 +00:00
parent fe9fec84dc
commit 0e5be97f94
5 changed files with 125 additions and 1 deletions
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15
src/picom.c
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@ -54,6 +54,7 @@
#endif
#include "atom.h"
#include "event.h"
#include "file_watch.h"
#include "list.h"
#include "options.h"
#include "uthash_extra.h"
@ -1538,6 +1539,11 @@ static void exit_enable(EV_P attr_unused, ev_signal *w, int revents attr_unused)
quit(ps);
}
static void config_file_change_cb(void *_ps) {
auto ps = (struct session *)_ps;
reset_enable(ps->loop, NULL, 0);
}
/**
* Initialize a session.
*
@ -1935,6 +1941,12 @@ static session_t *session_init(int argc, char **argv, Display *dpy,
free(config_file_to_free);
exit(0);
}
ps->file_watch_handle = file_watch_init(ps->loop);
if (ps->file_watch_handle) {
file_watch_add(ps->file_watch_handle, config_file, config_file_change_cb, ps);
}
free(config_file_to_free);
if (bkend_use_glx(ps) && !ps->o.experimental_backends) {
@ -2100,6 +2112,9 @@ static void session_destroy(session_t *ps) {
unredirect(ps);
}
file_watch_destroy(ps->loop, ps->file_watch_handle);
ps->file_watch_handle = NULL;
// Stop listening to events on root window
xcb_change_window_attributes(ps->c, ps->root, XCB_CW_EVENT_MASK,
(const uint32_t[]){0});