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Prevent changing focus outside a container when scrolling on the decorations 

Fixes: #557
This commit is contained in:
Michael Stapelberg 2012-04-08 18:33:45 +02:00
parent 849e06f21e
commit 42bbdbdfc1
1 changed files with 9 additions and 3 deletions
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12
src/click.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)
* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* click.c: Button press (mouse click) events.
*
@ -193,9 +193,15 @@ static int route_click(Con *con, xcb_button_press_event_t *event, const bool mod
event->detail == XCB_BUTTON_INDEX_5)) {
DLOG("Scrolling on a window decoration\n");
orientation_t orientation = (con->parent->layout == L_STACKED ? VERT : HORIZ);
if (event->detail == XCB_BUTTON_INDEX_4)
/* To prevent scrolling from going outside the container (see ticket
* #557), we first check if scrolling is possible at all. */
Con *focused = con_descend_focused(con->parent);
bool scroll_prev_possible = (TAILQ_PREV(focused, nodes_head, nodes) != NULL);
bool scroll_next_possible = (TAILQ_NEXT(focused, nodes) != NULL);
if (event->detail == XCB_BUTTON_INDEX_4 && scroll_prev_possible)
tree_next('p', orientation);
else tree_next('n', orientation);
else if (event->detail == XCB_BUTTON_INDEX_5 && scroll_next_possible)
tree_next('n', orientation);
goto done;
}