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wrap when moving things to outputs with direction

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This commit is contained in:
Francesco Mazzoli
2013-01-25 00:02:09 +01:00
committed by Michael Stapelberg
parent 3cd4b8c111
commit f13d8ed06f
3 changed files with 60 additions and 37 deletions

34
src/randr.c

@ -93,15 +93,30 @@ Output *get_output_containing(int x, int y) {
}
/*
* Gets the output which is the last one in the given direction, for example
* the output on the most bottom when direction == D_DOWN, the output most
* right when direction == D_RIGHT and so on.
* Like get_output_next with close_far == CLOSEST_OUTPUT, but wraps.
*
* This function always returns a output.
* For example if get_output_next(D_DOWN, x, FARTHEST_OUTPUT) = NULL, then
* get_output_next_wrap(D_DOWN, x) will return the topmost output.
*
* This function always returns a output: if no active outputs can be found,
* current itself is returned.
*
*/
Output *get_output_most(direction_t direction, Output *current) {
Output *best = get_output_next(direction, current, FARTHEST_OUTPUT);
Output *get_output_next_wrap(direction_t direction, Output *current) {
Output *best = get_output_next(direction, current, CLOSEST_OUTPUT);
/* If no output can be found, wrap */
if (!best) {
direction_t opposite;
if (direction == D_RIGHT)
opposite = D_LEFT;
else if (direction == D_LEFT)
opposite = D_RIGHT;
else if (direction == D_DOWN)
opposite = D_UP;
else
opposite = D_DOWN;
best = get_output_next(opposite, current, FARTHEST_OUTPUT);
}
if (!best)
best = current;
DLOG("current = %s, best = %s\n", current->name, best->name);
@ -111,6 +126,13 @@ Output *get_output_most(direction_t direction, Output *current) {
/*
* Gets the output which is the next one in the given direction.
*
* If close_far == CLOSEST_OUTPUT, then the output next to the current one will
* selected. If close_far == FARTHEST_OUTPUT, the output which is the last one
* in the given direction will be selected.
*
* NULL will be returned when no active outputs are present in the direction
* specified (note that “current” counts as such an output).
*
*/
Output *get_output_next(direction_t direction, Output *current, output_close_far_t close_far) {
Rect *cur = &(current->rect),