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Add output wrapping 

This fixes issue #733. Now if the user focuses output right but is at
the rightmost monitor, the focus will wrap the the leftmost monitor.
This commit adds a new function, swayc_opposite_output, which selects
the opposite output given a position and a direction. Now, when calling
output_by_name, we first check if there is an adjacent output to switch
to. If that fails, we call swayc_opposite_output to handle wrapping.
This commit is contained in:
Daniel Kessler 2017-01-13 16:06:10 -08:00
parent c1e6cc3257
commit eda4bad725
2 changed files with 72 additions and 5 deletions
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1
include/sway/output.h
View File

@ -7,6 +7,7 @@
// Position is absolute coordinates on the edge where the adjacent output
// should be searched for.
swayc_t *output_by_name(const char* name, const struct wlc_point *abs_pos);
swayc_t *swayc_opposite_output(enum movement_direction dir, const struct wlc_point *abs_pos);
swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir, const struct wlc_point *abs_pos, bool pick_closest);
// Place absolute coordinates for given container into given wlc_point.

76
sway/output.c
View File

@ -13,14 +13,29 @@ void output_get_scaled_size(wlc_handle handle, struct wlc_size *size) {
}
swayc_t *output_by_name(const char* name, const struct wlc_point *abs_pos) {
swayc_t *output = NULL;
// If there is no output directly next to the current one, use
// swayc_opposite_output to wrap.
if (strcasecmp(name, "left") == 0) {
return swayc_adjacent_output(NULL, MOVE_LEFT, abs_pos, true);
output = swayc_adjacent_output(NULL, MOVE_LEFT, abs_pos, true);
if (!output) {
output = swayc_opposite_output(MOVE_RIGHT, abs_pos);
}
} else if (strcasecmp(name, "right") == 0) {
return swayc_adjacent_output(NULL, MOVE_RIGHT, abs_pos, true);
output = swayc_adjacent_output(NULL, MOVE_RIGHT, abs_pos, true);
if (!output) {
output = swayc_opposite_output(MOVE_LEFT, abs_pos);
}
} else if (strcasecmp(name, "up") == 0) {
return swayc_adjacent_output(NULL, MOVE_UP, abs_pos, true);
output = swayc_adjacent_output(NULL, MOVE_UP, abs_pos, true);
if (!output) {
output = swayc_opposite_output(MOVE_DOWN, abs_pos);
}
} else if (strcasecmp(name, "down") == 0) {
return swayc_adjacent_output(NULL, MOVE_DOWN, abs_pos, true);
output = swayc_adjacent_output(NULL, MOVE_DOWN, abs_pos, true);
if (!output) {
output = swayc_opposite_output(MOVE_UP, abs_pos);
}
} else {
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
@ -29,7 +44,58 @@ swayc_t *output_by_name(const char* name, const struct wlc_point *abs_pos) {
}
}
}
return NULL;
return output;
}
swayc_t *swayc_opposite_output(enum movement_direction dir,
const struct wlc_point *abs_pos) {
// Search through all the outputs and pick the output whose edge covers the
// given position, and is at leftmost/rightmost/upmost/downmost side of the
// screen (decided by the direction given).
swayc_t *opposite = NULL;
char *dir_text = NULL;
switch(dir) {
case MOVE_LEFT:
case MOVE_RIGHT: ;
for (int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (abs_pos->y >= c->y && abs_pos->y <= c->y + c->height) {
if (!opposite) {
opposite = c;
} else if ((dir == MOVE_LEFT && c->x < opposite->x)
|| (dir == MOVE_RIGHT && c->x > opposite->x)) {
opposite = c;
}
}
}
dir_text = dir == MOVE_LEFT ? "leftmost" : "rightmost";
break;
case MOVE_UP:
case MOVE_DOWN: ;
for (int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (abs_pos->x >= c->x && abs_pos->x <= c->x + c->width) {
if (!opposite) {
opposite = c;
} else if ((dir == MOVE_UP && c->y < opposite->y)
|| (dir == MOVE_DOWN && c->y > opposite->y)) {
opposite = c;
}
}
}
dir_text = dir == MOVE_UP ? "upmost" : "downmost";
break;
default:
sway_abort("Function called with invalid argument.");
break;
}
if (opposite) {
sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s from y-position %i",
opposite->name, opposite->width, opposite->height, opposite->x, opposite->y,
dir_text, abs_pos->y);
}
return opposite;
}
// Position is where on the edge (as absolute position) the adjacent output should be searched for.