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Implement the I3_SYNC client protocol

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This is mainly useful for the testsuite. The tests can wait until i3 processed
all X11 events and then continue. This eliminates sleep() calls which leads to
a more robust and faster testsuite.
This commit is contained in:
Michael Stapelberg 2011-09-22 22:08:42 +01:00
parent 83560c85d8
commit 1481cd95c9
2 changed files with 20 additions and 0 deletions
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1
include/atoms.xmacro
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@ -24,3 +24,4 @@ xmacro(WM_TAKE_FOCUS)
xmacro(WM_WINDOW_ROLE) xmacro(WM_WINDOW_ROLE)
xmacro(I3_SOCKET_PATH) xmacro(I3_SOCKET_PATH)
xmacro(I3_CONFIG_PATH) xmacro(I3_CONFIG_PATH)
xmacro(I3_SYNC)

19
src/handlers.c
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@ -648,6 +648,25 @@ static int handle_client_message(xcb_client_message_event_t *event) {
tree_render(); tree_render();
x_push_changes(croot); x_push_changes(croot);
} else if (event->type == A_I3_SYNC) {
DLOG("i3 sync, yay\n");
xcb_window_t window = event->data.data32[0];
uint32_t rnd = event->data.data32[1];
DLOG("Sending random value %d back to X11 window 0x%08x\n", rnd, window);
void *reply = scalloc(32);
xcb_client_message_event_t *ev = reply;
ev->response_type = XCB_CLIENT_MESSAGE;
ev->window = window;
ev->type = A_I3_SYNC;
ev->format = 32;
ev->data.data32[0] = window;
ev->data.data32[1] = rnd;
xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)ev);
xcb_flush(conn);
free(reply);
} else { } else {
ELOG("unhandled clientmessage\n"); ELOG("unhandled clientmessage\n");
return 0; return 0;