mirror of
https://github.com/swaywm/sway
synced 2024-11-18 19:03:59 +01:00
212 lines
6.9 KiB
C
212 lines
6.9 KiB
C
#include <strings.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include "output.h"
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#include "log.h"
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#include "list.h"
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void output_get_scaled_size(wlc_handle handle, struct wlc_size *size) {
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*size = *wlc_output_get_resolution(handle);
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uint32_t scale = wlc_output_get_scale(handle);
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size->w /= scale;
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size->h /= scale;
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}
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swayc_t *output_by_name(const char* name, const struct wlc_point *abs_pos) {
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if (strcasecmp(name, "left") == 0) {
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return swayc_adjacent_output(NULL, MOVE_LEFT, abs_pos, true);
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} else if (strcasecmp(name, "right") == 0) {
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return swayc_adjacent_output(NULL, MOVE_RIGHT, abs_pos, true);
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} else if (strcasecmp(name, "up") == 0) {
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return swayc_adjacent_output(NULL, MOVE_UP, abs_pos, true);
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} else if (strcasecmp(name, "down") == 0) {
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return swayc_adjacent_output(NULL, MOVE_DOWN, abs_pos, true);
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} else {
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for(int i = 0; i < root_container.children->length; ++i) {
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swayc_t *c = root_container.children->items[i];
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if (c->type == C_OUTPUT && strcasecmp(c->name, name) == 0) {
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return c;
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}
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}
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}
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return NULL;
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}
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// Position is where on the edge (as absolute position) the adjacent output should be searched for.
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swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir,
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const struct wlc_point *abs_pos, bool pick_closest) {
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if (!output) {
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output = swayc_active_output();
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}
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// In order to find adjacent outputs we need to test that the outputs are
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// aligned on one axis (decided by the direction given) and that the given
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// position is within the edge of the adjacent output. If no such output
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// exists we pick the adjacent output within the edge that is closest to
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// the given position, if any.
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swayc_t *adjacent = NULL;
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char *dir_text = NULL;
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switch(dir) {
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case MOVE_LEFT:
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case MOVE_RIGHT: ;
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double delta_y = 0;
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for(int i = 0; i < root_container.children->length; ++i) {
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swayc_t *c = root_container.children->items[i];
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if (c == output || c->type != C_OUTPUT) {
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continue;
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}
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bool x_aligned = dir == MOVE_LEFT ?
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c->x + c->width == output->x :
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c->x == output->x + output->width;
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if (!x_aligned) {
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continue;
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}
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if (abs_pos->y >= c->y && abs_pos->y <= c->y + c->height) {
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delta_y = 0;
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adjacent = c;
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break;
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} else if (pick_closest) {
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// track closest adjacent output
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double top_y = c->y, bottom_y = c->y + c->height;
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if (top_y >= output->y && top_y <= output->y + output->height) {
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double delta = top_y - abs_pos->y;
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if (delta < 0) delta = -delta;
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if (delta < delta_y || !adjacent) {
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delta_y = delta;
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adjacent = c;
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}
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}
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// we check both points and pick the closest
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if (bottom_y >= output->y && bottom_y <= output->y + output->height) {
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double delta = bottom_y - abs_pos->y;
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if (delta < 0) delta = -delta;
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if (delta < delta_y || !adjacent) {
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delta_y = delta;
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adjacent = c;
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}
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}
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}
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}
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dir_text = dir == MOVE_LEFT ? "left of" : "right of";
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if (adjacent && delta_y == 0) {
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sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (y-position %i)",
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adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
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dir_text, output->name, abs_pos->y);
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} else if (adjacent) {
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// so we end up picking the closest adjacent output because
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// there is no directly adjacent to the given position
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sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (y-position %i, delta: %.0f)",
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adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
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dir_text, output->name, abs_pos->y, delta_y);
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}
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break;
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case MOVE_UP:
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case MOVE_DOWN: ;
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double delta_x = 0;
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for(int i = 0; i < root_container.children->length; ++i) {
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swayc_t *c = root_container.children->items[i];
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if (c == output || c->type != C_OUTPUT) {
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continue;
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}
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bool y_aligned = dir == MOVE_UP ?
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c->y + c->height == output->y :
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c->y == output->y + output->height;
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if (!y_aligned) {
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continue;
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}
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if (abs_pos->x >= c->x && abs_pos->x <= c->x + c->width) {
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delta_x = 0;
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adjacent = c;
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break;
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} else if (pick_closest) {
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// track closest adjacent output
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double left_x = c->x, right_x = c->x + c->width;
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if (left_x >= output->x && left_x <= output->x + output->width) {
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double delta = left_x - abs_pos->x;
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if (delta < 0) delta = -delta;
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if (delta < delta_x || !adjacent) {
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delta_x = delta;
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adjacent = c;
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}
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}
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// we check both points and pick the closest
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if (right_x >= output->x && right_x <= output->x + output->width) {
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double delta = right_x - abs_pos->x;
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if (delta < 0) delta = -delta;
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if (delta < delta_x || !adjacent) {
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delta_x = delta;
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adjacent = c;
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}
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}
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}
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}
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dir_text = dir == MOVE_UP ? "above" : "below";
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if (adjacent && delta_x == 0) {
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sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (x-position %i)",
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adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
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dir_text, output->name, abs_pos->x);
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} else if (adjacent) {
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// so we end up picking the closest adjacent output because
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// there is no directly adjacent to the given position
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sway_log(L_DEBUG, "%s (%.0fx%.0f+%.0f+%.0f) is %s current output %s (x-position %i, delta: %.0f)",
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adjacent->name, adjacent->width, adjacent->height, adjacent->x, adjacent->y,
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dir_text, output->name, abs_pos->x, delta_x);
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}
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break;
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default:
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sway_abort("Function called with invalid argument.");
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break;
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}
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return adjacent;
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}
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void get_absolute_position(swayc_t *container, struct wlc_point *point) {
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if (!container || !point)
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sway_abort("Need container and wlc_point (was %p, %p).", container, point);
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if (container->type == C_OUTPUT) {
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// Coordinates are already absolute.
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point->x = container->x;
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point->y = container->y;
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} else {
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swayc_t *output = swayc_parent_by_type(container, C_OUTPUT);
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if (container->type == C_WORKSPACE) {
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// Workspace coordinates are actually wrong/arbitrary, but should
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// be same as output.
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point->x = output->x;
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point->y = output->y;
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} else {
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point->x = output->x + container->x;
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point->y = output->y + container->y;
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}
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}
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}
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void get_absolute_center_position(swayc_t *container, struct wlc_point *point) {
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get_absolute_position(container, point);
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point->x += container->width/2;
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point->y += container->height/2;
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}
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static int sort_workspace_cmp_qsort(const void *_a, const void *_b) {
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swayc_t *a = *(void **)_a;
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swayc_t *b = *(void **)_b;
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int retval = 0;
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if (isdigit(a->name[0]) && isdigit(b->name[0])) {
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int a_num = strtol(a->name, NULL, 10);
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int b_num = strtol(b->name, NULL, 10);
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retval = (a_num < b_num) ? -1 : (a_num > b_num);
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} else if (isdigit(a->name[0])) {
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retval = -1;
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} else if (isdigit(b->name[0])) {
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retval = 1;
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}
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return retval;
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}
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void sort_workspaces(swayc_t *output) {
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list_stable_sort(output->children, sort_workspace_cmp_qsort);
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}
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