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i3-input: set focus before sending the command (Thanks emias) 

This avoids problems with sending 'focus left' or other commands which
manipulate focus.
This commit is contained in:
Michael Stapelberg 2013-01-24 13:57:08 +01:00
parent bfd150872d
commit 28933f8de3
1 changed files with 25 additions and 20 deletions
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45
i3-input/main.c
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@ -2,7 +2,7 @@
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
* © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
*
* i3-input/main.c: Utility which lets the user input commands and sends them
* to i3.
@ -76,6 +76,24 @@ void errorlog(char *fmt, ...) {
va_end(args);
}
/*
* Restores the X11 input focus to whereever it was before.
* This is necessary because i3-input’s window has override_redirect=1
* (→ unmanaged by the window manager) and thus i3-input changes focus itself.
* This function is called on exit().
*
*/
static void restore_input_focus(void) {
xcb_generic_error_t *error;
xcb_get_input_focus_reply_t *reply = xcb_get_input_focus_reply(conn, focus_cookie, &error);
if (error != NULL) {
fprintf(stderr, "[i3-input] ERROR: Could not restore input focus (X error %d)\n", error->error_code);
return;
}
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, reply->focus, XCB_CURRENT_TIME);
xcb_flush(conn);
}
/*
* Concats the glyphs (either UCS-2 or UTF-8) to a single string, suitable for
* rendering it (UCS-2) or sending it to i3 (UTF-8).
@ -187,6 +205,10 @@ static void finish_input() {
/* prefix the command if a prefix was specified on commandline */
printf("command = %s\n", full);
restore_input_focus();
xcb_aux_sync(conn);
ipc_send_message(sockfd, strlen(full), 0, (uint8_t*)full);
#if 0
@ -239,6 +261,7 @@ static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press
return 1;
}
if (sym == XK_Escape) {
restore_input_focus();
exit(0);
}
@ -283,24 +306,6 @@ static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press
return 1;
}
/*
* Restores the X11 input focus to whereever it was before.
* This is necessary because i3-input’s window has override_redirect=1
* (→ unmanaged by the window manager) and thus i3-input changes focus itself.
* This function is called on exit().
*
*/
static void restore_input_focus(void) {
xcb_generic_error_t *error;
xcb_get_input_focus_reply_t *reply = xcb_get_input_focus_reply(conn, focus_cookie, &error);
if (error != NULL) {
fprintf(stderr, "[i3-input] ERROR: Could not restore input focus (X error %d)\n", error->error_code);
return;
}
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, reply->focus, XCB_CURRENT_TIME);
xcb_flush(conn);
}
int main(int argc, char *argv[]) {
format = strdup("%s");
socket_path = getenv("I3SOCK");
@ -420,7 +425,6 @@ int main(int argc, char *argv[]) {
/* Set input focus (we have override_redirect=1, so the wm will not do
* this for us) */
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
atexit(restore_input_focus);
/* Grab the keyboard to get all input */
xcb_flush(conn);
@ -440,6 +444,7 @@ int main(int argc, char *argv[]) {
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
restore_input_focus();
exit(-1);
}