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#include <strings.h>
#include <ctype.h>
#include <stdlib.h>
#include "output.h"
#include "log.h"
#include "list.h"
void output_get_scaled_size(wlc_handle handle, struct wlc_size *size) {
*size = *wlc_output_get_resolution(handle);
uint32_t scale = wlc_output_get_scale(handle);
size->w /= scale;
size->h /= scale;
}
swayc_t *output_by_name(const char* name, const struct wlc_point *abs_pos) {
if (strcasecmp(name, "left") == 0) {
return swayc_adjacent_output(NULL, MOVE_LEFT, abs_pos, true);
} else if (strcasecmp(name, "right") == 0) {
return swayc_adjacent_output(NULL, MOVE_RIGHT, abs_pos, true);
} else if (strcasecmp(name, "up") == 0) {
return swayc_adjacent_output(NULL, MOVE_UP, abs_pos, true);
} else if (strcasecmp(name, "down") == 0) {
return swayc_adjacent_output(NULL, MOVE_DOWN, abs_pos, true);
} 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;
}
// Position is where on the edge (as absolute position) the adjacent output should be searched for.
swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir,
const struct wlc_point *abs_pos, bool pick_closest) {
if (!output) {
output = swayc_active_output();
}
// In order to find adjacent outputs we need to test that the outputs are
// aligned on one axis (decided by the direction given) and that the given
// position is within the edge of the adjacent output. If no such output
// exists we pick the adjacent output within the edge that is closest to
// the given position, if any.
swayc_t *adjacent = NULL;
char *dir_text = NULL;
switch(dir) {
case MOVE_LEFT:
case MOVE_RIGHT: ;
double delta_y = 0;
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;
}
bool x_aligned = dir == MOVE_LEFT ?
c->x + c->width == output->x :
c->x == output->x + output->width;
if (!x_aligned) {
continue;
}
if (abs_pos->y >= c->y && abs_pos->y <= c->y + c->height) {
delta_y = 0;
adjacent = c;
break;
} else if (pick_closest) {
// track closest adjacent output
double top_y = c->y, bottom_y = c->y + c->height;
if (top_y >= output->y && top_y <= output->y + output->height) {
double delta = top_y - abs_pos->y;
if (delta < 0) delta = -delta;
if (delta < delta_y || !adjacent) {
delta_y = delta;
adjacent = c;
}
}
// we check both points and pick the closest
if (bottom_y >= output->y && bottom_y <= output->y + output->height) {
double delta = bottom_y - abs_pos->y;
if (delta < 0) delta = -delta;
if (delta < delta_y || !adjacent) {
delta_y = delta;
adjacent = c;
}
}
}
}
dir_text = dir == MOVE_LEFT ? "left of" : "right of";
if (adjacent && delta_y == 0) {
sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (y-position %i)",
adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
dir_text, output->name, abs_pos->y);
} else if (adjacent) {
// so we end up picking the closest adjacent output because
// there is no directly adjacent to the given position
sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (y-position %i, delta: %.0f)",
adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
dir_text, output->name, abs_pos->y, delta_y);
}
break;
case MOVE_UP:
case MOVE_DOWN: ;
double delta_x = 0;
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;
}
bool y_aligned = dir == MOVE_UP ?
c->y + c->height == output->y :
c->y == output->y + output->height;
if (!y_aligned) {
continue;
}
if (abs_pos->x >= c->x && abs_pos->x <= c->x + c->width) {
delta_x = 0;
adjacent = c;
break;
} else if (pick_closest) {
// track closest adjacent output
double left_x = c->x, right_x = c->x + c->width;
if (left_x >= output->x && left_x <= output->x + output->width) {
double delta = left_x - abs_pos->x;
if (delta < 0) delta = -delta;
if (delta < delta_x || !adjacent) {
delta_x = delta;
adjacent = c;
}
}
// we check both points and pick the closest
if (right_x >= output->x && right_x <= output->x + output->width) {
double delta = right_x - abs_pos->x;
if (delta < 0) delta = -delta;
if (delta < delta_x || !adjacent) {
delta_x = delta;
adjacent = c;
}
}
}
}
dir_text = dir == MOVE_UP ? "above" : "below";
if (adjacent && delta_x == 0) {
sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (x-position %i)",
adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
dir_text, output->name, abs_pos->x);
} else if (adjacent) {
// so we end up picking the closest adjacent output because
// there is no directly adjacent to the given position
sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (x-position %i, delta: %.0f)",
adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
dir_text, output->name, abs_pos->x, delta_x);
}
break;
default:
sway_abort("Function called with invalid argument.");
break;
}
return adjacent;
}
void get_absolute_position(swayc_t *container, struct wlc_point *point) {
if (!container || !point)
sway_abort("Need container and wlc_point (was %p, %p).", container, point);
if (container->type == C_OUTPUT) {
// Coordinates are already absolute.
point->x = container->x;
point->y = container->y;
} else {
swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
if (container->type == C_WORKSPACE) {
// Workspace coordinates are actually wrong/arbitrary, but should
// be same as output.
point->x = output->x;
point->y = output->y;
} else {
point->x = output->x + container->x;
point->y = output->y + container->y;
}
}
}
void get_absolute_center_position(swayc_t *container, struct wlc_point *point) {
get_absolute_position(container, point);
point->x += container->width/2;
point->y += container->height/2;
}
static int sort_workspace_cmp_qsort(const void *_a, const void *_b) {
swayc_t *a = *(void **)_a;
swayc_t *b = *(void **)_b;
int retval = 0;
if (isdigit(a->name[0]) && isdigit(b->name[0])) {
int a_num = strtol(a->name, NULL, 10);
int b_num = strtol(b->name, NULL, 10);
retval = (a_num < b_num) ? -1 : (a_num > b_num);
} else if (isdigit(a->name[0])) {
retval = -1;
} else if (isdigit(b->name[0])) {
retval = 1;
}
return retval;
}
void sort_workspaces(swayc_t *output) {
list_stable_sort(output->children, sort_workspace_cmp_qsort);
}
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