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Re-implement focus follows mouse for outputs 

That is, moving your mouse pointer to a different workspace which does not have
any windows on it yet will correctly update the focus.
This commit is contained in:
Michael Stapelberg 2011-03-03 16:36:18 +01:00
parent caa1ac1a9f
commit f6a21994bf
1 changed files with 22 additions and 36 deletions
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50
src/handlers.c
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@ -102,8 +102,6 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
return 1;
}
#if 0
/*
* Called with coordinates of an enter_notify event or motion_notify event
* to check if the user crossed virtual screen boundaries and adjust the
@ -113,39 +111,28 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
Output *output;
/* If the user disable focus follows mouse, we have nothing to do here */
if (config.disable_focus_follows_mouse)
return;
if ((output = get_output_containing(x, y)) == NULL) {
ELOG("ERROR: No such screen\n");
return;
}
if (output == c_ws->output)
if (output->con == NULL) {
ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
return;
c_ws->current_row = current_row;
c_ws->current_col = current_col;
c_ws = output->current_workspace;
current_row = c_ws->current_row;
current_col = c_ws->current_col;
DLOG("We're now on output %p\n", output);
/* While usually this function is only called when the user switches
* to a different output using his mouse (and thus the output is
* empty), it may be that the following race condition occurs:
* 1) the user actives a new output (say VGA1).
* 2) the cursor is sent to the first pixel of the new VGA1, thus
* generating an enter_notify for the screen (the enter_notify
* is not yet received by i3).
* 3) i3 requeries screen configuration and maps a workspace onto the
* new output.
* 4) the enter_notify event arrives and c_ws is set to the new
* workspace but the existing windows on the new workspace are not
* focused.
*
* Therefore, we re-set the focus here to be sure it’s correct. */
Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
if (first_client != NULL)
set_focus(global_conn, first_client, true);
}
#endif
/* Focus the output on which the user moved his cursor */
Con *old_focused = focused;
con_focus(con_descend_focused(output_get_content(output->con)));
/* If the focus changed, we re-render to get updated decorations */
if (old_focused != focused)
tree_render();
}
/*
* When the user moves the mouse pointer onto a window, this callback gets called.
@ -177,7 +164,7 @@ int handle_enter_notify(void *ignored, xcb_connection_t *conn,
/* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
if (con == NULL) {
DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
//check_crossing_screen_boundary(event->root_x, event->root_y);
check_crossing_screen_boundary(event->root_x, event->root_y);
return 1;
}
@ -236,8 +223,7 @@ int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notif
Con *con;
if ((con = con_by_frame_id(event->event)) == NULL) {
/* TODO; handle root window: */
//check_crossing_screen_boundary(event->root_x, event->root_y);
check_crossing_screen_boundary(event->root_x, event->root_y);
return 1;
}