swayfx/sway/output.c
2015-10-25 13:14:23 +01:00

96 lines
2.7 KiB
C

#include <strings.h>
#include "output.h"
#include "log.h"
swayc_t *output_by_name(const char* name) {
if (strcasecmp(name, "left") == 0) {
return swayc_adjacent_output(NULL, MOVE_LEFT);
}
else if (strcasecmp(name, "right") == 0) {
return swayc_adjacent_output(NULL, MOVE_RIGHT);
}
else if (strcasecmp(name, "up") == 0) {
return swayc_adjacent_output(NULL, MOVE_UP);
}
else if (strcasecmp(name, "down") == 0) {
return swayc_adjacent_output(NULL, MOVE_DOWN);
}
else {
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (c->type == C_OUTPUT && strcasecmp(c->name, name) == 0) {
return c;
}
}
}
return NULL;
}
swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir) {
// TODO: This implementation is naïve: We assume all outputs are
// perfectly aligned (ie. only a single output per edge which covers
// the whole edge).
if (!output) {
output = swayc_active_output();
}
swayc_t *adjacent = NULL;
switch(dir) {
case MOVE_LEFT:
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (c == output || c->type != C_OUTPUT) {
continue;
}
if (c->y == output->y && c->x + c->width == output->x) {
sway_log(L_DEBUG, "%s is left of current output %s", c->name, output->name);
adjacent = c;
break;
}
}
break;
case MOVE_RIGHT:
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (c == output || c->type != C_OUTPUT) {
continue;
}
if (c->y == output->y && output->x + output->width == c->x) {
sway_log(L_DEBUG, "%s is right of current output %s", c->name, output->name);
adjacent = c;
break;
}
}
break;
case MOVE_UP:
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (c == output || c->type != C_OUTPUT) {
continue;
}
if (output->x == c->x && c->y + c->height == output->y) {
sway_log(L_DEBUG, "%s is above current output %s", c->name, output->name);
adjacent = c;
break;
}
}
break;
case MOVE_DOWN:
for(int i = 0; i < root_container.children->length; ++i) {
swayc_t *c = root_container.children->items[i];
if (c == output || c->type != C_OUTPUT) {
continue;
}
if (output->x == c->x && output->y + output->height == c->y) {
sway_log(L_DEBUG, "%s is below current output %s", c->name, output->name);
adjacent = c;
break;
}
}
break;
default:
sway_abort("Function called with invalid argument.");
break;
}
return adjacent;
}