235 lines
7.9 KiB
C
235 lines
7.9 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include "types/wlr_xdg_shell_v6.h"
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static const struct zxdg_positioner_v6_interface
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zxdg_positioner_v6_implementation;
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struct wlr_xdg_positioner_v6_resource *get_xdg_positioner_v6_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zxdg_positioner_v6_interface,
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&zxdg_positioner_v6_implementation));
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return wl_resource_get_user_data(resource);
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}
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static void xdg_positioner_destroy(struct wl_resource *resource) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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free(positioner);
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}
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static void xdg_positioner_handle_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void xdg_positioner_handle_set_size(struct wl_client *client,
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struct wl_resource *resource, int32_t width, int32_t height) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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if (width < 1 || height < 1) {
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wl_resource_post_error(resource,
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ZXDG_POSITIONER_V6_ERROR_INVALID_INPUT,
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"width and height must be positive and non-zero");
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return;
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}
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positioner->attrs.size.width = width;
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positioner->attrs.size.height = height;
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}
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static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client,
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struct wl_resource *resource, int32_t x, int32_t y, int32_t width,
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int32_t height) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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if (width < 1 || height < 1) {
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wl_resource_post_error(resource,
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ZXDG_POSITIONER_V6_ERROR_INVALID_INPUT,
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"width and height must be positive and non-zero");
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return;
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}
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positioner->attrs.anchor_rect.x = x;
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positioner->attrs.anchor_rect.y = y;
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positioner->attrs.anchor_rect.width = width;
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positioner->attrs.anchor_rect.height = height;
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}
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static void xdg_positioner_handle_set_anchor(struct wl_client *client,
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struct wl_resource *resource, uint32_t anchor) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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if (((anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP ) &&
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(anchor & ZXDG_POSITIONER_V6_ANCHOR_BOTTOM)) ||
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((anchor & ZXDG_POSITIONER_V6_ANCHOR_LEFT) &&
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(anchor & ZXDG_POSITIONER_V6_ANCHOR_RIGHT))) {
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wl_resource_post_error(resource,
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ZXDG_POSITIONER_V6_ERROR_INVALID_INPUT,
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"same-axis values are not allowed");
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return;
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}
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positioner->attrs.anchor = anchor;
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}
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static void xdg_positioner_handle_set_gravity(struct wl_client *client,
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struct wl_resource *resource, uint32_t gravity) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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if (((gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) &&
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(gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM)) ||
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((gravity & ZXDG_POSITIONER_V6_GRAVITY_LEFT) &&
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(gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT))) {
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wl_resource_post_error(resource,
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ZXDG_POSITIONER_V6_ERROR_INVALID_INPUT,
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"same-axis values are not allowed");
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return;
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}
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positioner->attrs.gravity = gravity;
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}
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static void xdg_positioner_handle_set_constraint_adjustment(
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struct wl_client *client, struct wl_resource *resource,
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uint32_t constraint_adjustment) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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positioner->attrs.constraint_adjustment = constraint_adjustment;
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}
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static void xdg_positioner_handle_set_offset(struct wl_client *client,
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struct wl_resource *resource, int32_t x, int32_t y) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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get_xdg_positioner_v6_from_resource(resource);
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positioner->attrs.offset.x = x;
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positioner->attrs.offset.y = y;
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}
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static const struct zxdg_positioner_v6_interface
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zxdg_positioner_v6_implementation = {
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.destroy = xdg_positioner_handle_destroy,
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.set_size = xdg_positioner_handle_set_size,
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.set_anchor_rect = xdg_positioner_handle_set_anchor_rect,
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.set_anchor = xdg_positioner_handle_set_anchor,
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.set_gravity = xdg_positioner_handle_set_gravity,
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.set_constraint_adjustment =
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xdg_positioner_handle_set_constraint_adjustment,
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.set_offset = xdg_positioner_handle_set_offset,
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};
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struct wlr_box wlr_xdg_positioner_v6_get_geometry(
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struct wlr_xdg_positioner_v6 *positioner) {
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struct wlr_box geometry = {
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.x = positioner->offset.x,
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.y = positioner->offset.y,
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.width = positioner->size.width,
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.height = positioner->size.height,
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};
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if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP) {
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geometry.y += positioner->anchor_rect.y;
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} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_BOTTOM) {
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geometry.y +=
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positioner->anchor_rect.y + positioner->anchor_rect.height;
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} else {
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geometry.y +=
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positioner->anchor_rect.y + positioner->anchor_rect.height / 2;
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}
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if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_LEFT) {
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geometry.x += positioner->anchor_rect.x;
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} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_RIGHT) {
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geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width;
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} else {
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geometry.x +=
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positioner->anchor_rect.x + positioner->anchor_rect.width / 2;
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}
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if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) {
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geometry.y -= geometry.height;
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} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM) {
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geometry.y = geometry.y;
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} else {
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geometry.y -= geometry.height / 2;
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}
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if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_LEFT) {
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geometry.x -= geometry.width;
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} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT) {
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geometry.x = geometry.x;
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} else {
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geometry.x -= geometry.width / 2;
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}
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if (positioner->constraint_adjustment ==
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ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_NONE) {
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return geometry;
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}
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return geometry;
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}
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void wlr_positioner_v6_invert_x(struct wlr_xdg_positioner_v6 *positioner) {
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if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_LEFT) {
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positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_LEFT;
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positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_RIGHT;
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} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_RIGHT) {
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positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_RIGHT;
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positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_LEFT;
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}
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if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT) {
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positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_RIGHT;
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positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_LEFT;
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} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_LEFT) {
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positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_LEFT;
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positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_RIGHT;
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}
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}
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void wlr_positioner_v6_invert_y(
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struct wlr_xdg_positioner_v6 *positioner) {
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if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP) {
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positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_TOP;
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positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_BOTTOM;
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} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_BOTTOM) {
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positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_BOTTOM;
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positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_TOP;
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}
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if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) {
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positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_TOP;
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positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_BOTTOM;
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} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM) {
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positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_BOTTOM;
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positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_TOP;
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}
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}
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void create_xdg_positioner_v6(struct wlr_xdg_client_v6 *client, uint32_t id) {
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struct wlr_xdg_positioner_v6_resource *positioner =
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calloc(1, sizeof(struct wlr_xdg_positioner_v6_resource));
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if (positioner == NULL) {
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wl_client_post_no_memory(client->client);
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return;
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}
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positioner->resource = wl_resource_create(client->client,
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&zxdg_positioner_v6_interface,
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wl_resource_get_version(client->resource), id);
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if (positioner->resource == NULL) {
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free(positioner);
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wl_client_post_no_memory(client->client);
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return;
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}
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wl_resource_set_implementation(positioner->resource,
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&zxdg_positioner_v6_implementation, positioner, xdg_positioner_destroy);
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}
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