input state, find_container_in_direction

This commit is contained in:
taiyu 2015-08-19 20:22:15 -07:00
parent 470b4dfbae
commit 5ff0619ca1
10 changed files with 211 additions and 203 deletions

View file

@ -298,3 +298,54 @@ swayc_t *get_swayc_for_handle(wlc_handle handle, swayc_t *parent) {
return NULL;
}
swayc_t *get_swayc_in_direction(swayc_t *container, enum movement_direction dir) {
swayc_t *parent = container->parent;
if (dir == MOVE_PARENT) {
if (parent->type == C_OUTPUT) {
return NULL;
} else {
return parent;
}
}
while (true) {
// Test if we can even make a difference here
bool can_move = false;
int diff = 0;
if (dir == MOVE_LEFT || dir == MOVE_RIGHT) {
if (parent->layout == L_HORIZ || parent->type == C_ROOT) {
can_move = true;
diff = dir == MOVE_LEFT ? -1 : 1;
}
} else {
if (parent->layout == L_VERT) {
can_move = true;
diff = dir == MOVE_UP ? -1 : 1;
}
}
if (can_move) {
int i;
for (i = 0; i < parent->children->length; ++i) {
swayc_t *child = parent->children->items[i];
if (child == container) {
break;
}
}
int desired = i + diff;
if (desired < 0 || desired >= parent->children->length) {
can_move = false;
} else {
return parent->children->items[desired];
}
}
if (!can_move) {
sway_log(L_DEBUG, "Can't move at current level, moving up tree");
container = parent;
parent = parent->parent;
if (!parent) {
// Nothing we can do
return NULL;
}
}
}
}