Merge pull request #720 from acrisci/xdg-positioner

xdg-positioner
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emersion 2018-03-29 01:02:40 -04:00 committed by GitHub
commit a316396eab
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4 changed files with 430 additions and 52 deletions

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@ -4,6 +4,7 @@
#include <wayland-server.h> #include <wayland-server.h>
#include <wlr/types/wlr_box.h> #include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_seat.h> #include <wlr/types/wlr_seat.h>
#include "xdg-shell-unstable-v6-protocol.h"
struct wlr_xdg_shell_v6 { struct wlr_xdg_shell_v6 {
struct wl_global *wl_global; struct wl_global *wl_global;
@ -32,6 +33,21 @@ struct wlr_xdg_client_v6 {
struct wl_event_source *ping_timer; struct wl_event_source *ping_timer;
}; };
struct wlr_xdg_positioner_v6 {
struct wlr_box anchor_rect;
enum zxdg_positioner_v6_anchor anchor;
enum zxdg_positioner_v6_gravity gravity;
enum zxdg_positioner_v6_constraint_adjustment constraint_adjustment;
struct {
int32_t width, height;
} size;
struct {
int32_t x, y;
} offset;
};
struct wlr_xdg_popup_v6 { struct wlr_xdg_popup_v6 {
struct wlr_xdg_surface_v6 *base; struct wlr_xdg_surface_v6 *base;
struct wl_list link; struct wl_list link;
@ -45,6 +61,8 @@ struct wlr_xdg_popup_v6 {
// geometry of the parent surface // geometry of the parent surface
struct wlr_box geometry; struct wlr_box geometry;
struct wlr_xdg_positioner_v6 positioner;
struct wl_list grab_link; // wlr_xdg_popup_grab_v6::popups struct wl_list grab_link; // wlr_xdg_popup_grab_v6::popups
}; };
@ -229,4 +247,46 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
struct wlr_xdg_surface_v6 *surface, double sx, double sy, struct wlr_xdg_surface_v6 *surface, double sx, double sy,
double *popup_sx, double *popup_sy); double *popup_sx, double *popup_sy);
/**
* Get the geometry for this positioner based on the anchor rect, gravity, and
* size of this positioner.
*/
struct wlr_box wlr_xdg_positioner_v6_get_geometry(
struct wlr_xdg_positioner_v6 *positioner);
/**
* Get the anchor point for this popup in the toplevel parent's coordinate system.
*/
void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
int *toplevel_sx, int *toplevel_sy);
/**
* Convert the given coordinates in the popup coordinate system to the toplevel
* surface coordinate system.
*/
void wlr_xdg_popup_v6_get_toplevel_coords(struct wlr_xdg_popup_v6 *popup,
int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy);
/**
* Set the geometry of this popup to unconstrain it according to its
* xdg-positioner rules. The box should be in the popup's root toplevel parent
* surface coordinate system.
*/
void wlr_xdg_popup_v6_unconstrain_from_box(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box);
/**
Invert the right/left anchor and gravity for this positioner. This can be
used to "flip" the positioner around the anchor rect in the x direction.
*/
void wlr_positioner_v6_invert_x(
struct wlr_xdg_positioner_v6 *positioner);
/**
Invert the top/bottom anchor and gravity for this positioner. This can be
used to "flip" the positioner around the anchor rect in the y direction.
*/
void wlr_positioner_v6_invert_y(
struct wlr_xdg_positioner_v6 *positioner);
#endif #endif

View File

@ -50,6 +50,58 @@ static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
popup_create(popup->view_child.view, wlr_popup); popup_create(popup->view_child.view, wlr_popup);
} }
static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
// get the output of the popup's positioner anchor point and convert it to
// the toplevel parent's coordinate system and then pass it to
// wlr_xdg_popup_v6_unconstrain_from_box
// TODO: unconstrain popups for rotated windows
if (popup->view_child.view->rotation != 0.0) {
return;
}
struct roots_view *view = popup->view_child.view;
struct wlr_output_layout *layout = view->desktop->layout;
struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_popup;
int anchor_lx, anchor_ly;
wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
int popup_lx, popup_ly;
wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
wlr_popup->geometry.y, &popup_lx, &popup_ly);
popup_lx += view->x;
popup_ly += view->y;
anchor_lx += popup_lx;
anchor_ly += popup_ly;
double dest_x = 0, dest_y = 0;
wlr_output_layout_closest_point(layout, NULL, anchor_lx, anchor_ly,
&dest_x, &dest_y);
struct wlr_output *output =
wlr_output_layout_output_at(layout, dest_x, dest_y);
if (output == NULL) {
return;
}
int width = 0, height = 0;
wlr_output_effective_resolution(output, &width, &height);
// the output box expressed in the coordinate system of the toplevel parent
// of the popup
struct wlr_box output_toplevel_sx_box = {
.x = output->lx - view->x,
.y = output->ly - view->y,
.width = width,
.height = height
};
wlr_xdg_popup_v6_unconstrain_from_box(popup->wlr_popup, &output_toplevel_sx_box);
}
static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view, static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
struct wlr_xdg_popup_v6 *wlr_popup) { struct wlr_xdg_popup_v6 *wlr_popup) {
struct roots_xdg_popup_v6 *popup = struct roots_xdg_popup_v6 *popup =
@ -68,6 +120,9 @@ static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap); wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_popup; popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup); wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup_unconstrain(popup);
return popup; return popup;
} }

View File

@ -313,6 +313,10 @@ void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
void wlr_output_layout_closest_point(struct wlr_output_layout *layout, void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
struct wlr_output *reference, double x, double y, double *dest_x, struct wlr_output *reference, double x, double y, double *dest_x,
double *dest_y) { double *dest_y) {
if (dest_x == NULL && dest_y == NULL) {
return;
}
double min_x = DBL_MAX, min_y = DBL_MAX, min_distance = DBL_MAX; double min_x = DBL_MAX, min_y = DBL_MAX, min_distance = DBL_MAX;
struct wlr_output_layout_output *l_output; struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) { wl_list_for_each(l_output, &layout->outputs, link) {
@ -339,8 +343,12 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
} }
} }
if (dest_x) {
*dest_x = min_x; *dest_x = min_x;
}
if (dest_y) {
*dest_y = min_y; *dest_y = min_y;
}
} }
struct wlr_box *wlr_output_layout_get_box( struct wlr_box *wlr_output_layout_get_box(

View File

@ -16,24 +16,11 @@
static const char *wlr_desktop_xdg_toplevel_role = "xdg_toplevel_v6"; static const char *wlr_desktop_xdg_toplevel_role = "xdg_toplevel_v6";
static const char *wlr_desktop_xdg_popup_role = "xdg_popup_v6"; static const char *wlr_desktop_xdg_popup_role = "xdg_popup_v6";
struct wlr_xdg_positioner_v6 { struct wlr_xdg_positioner_v6_resource {
struct wl_resource *resource; struct wl_resource *resource;
struct wlr_xdg_positioner_v6 attrs;
struct wlr_box anchor_rect;
enum zxdg_positioner_v6_anchor anchor;
enum zxdg_positioner_v6_gravity gravity;
enum zxdg_positioner_v6_constraint_adjustment constraint_adjustment;
struct {
int32_t width, height;
} size;
struct {
int32_t x, y;
} offset;
}; };
static void resource_handle_destroy(struct wl_client *client, static void resource_handle_destroy(struct wl_client *client,
struct wl_resource *resource) { struct wl_resource *resource) {
wl_resource_destroy(resource); wl_resource_destroy(resource);
@ -110,8 +97,8 @@ static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab,
// keyboard focus should remain on the popup // keyboard focus should remain on the popup
} }
static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t time, static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab,
uint32_t key, uint32_t state) { uint32_t time, uint32_t key, uint32_t state) {
wlr_seat_keyboard_send_key(grab->seat, time, key, state); wlr_seat_keyboard_send_key(grab->seat, time, key, state);
} }
@ -300,7 +287,7 @@ static void xdg_surface_destroy(struct wlr_xdg_surface_v6 *surface) {
static const struct zxdg_positioner_v6_interface static const struct zxdg_positioner_v6_interface
zxdg_positioner_v6_implementation; zxdg_positioner_v6_implementation;
static struct wlr_xdg_positioner_v6 *xdg_positioner_from_resource( static struct wlr_xdg_positioner_v6_resource *xdg_positioner_from_resource(
struct wl_resource *resource) { struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zxdg_positioner_v6_interface, assert(wl_resource_instance_of(resource, &zxdg_positioner_v6_interface,
&zxdg_positioner_v6_implementation)); &zxdg_positioner_v6_implementation));
@ -308,14 +295,14 @@ static struct wlr_xdg_positioner_v6 *xdg_positioner_from_resource(
} }
static void xdg_positioner_destroy(struct wl_resource *resource) { static void xdg_positioner_destroy(struct wl_resource *resource) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
free(positioner); free(positioner);
} }
static void xdg_positioner_handle_set_size(struct wl_client *client, static void xdg_positioner_handle_set_size(struct wl_client *client,
struct wl_resource *resource, int32_t width, int32_t height) { struct wl_resource *resource, int32_t width, int32_t height) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
if (width < 1 || height < 1) { if (width < 1 || height < 1) {
@ -325,14 +312,14 @@ static void xdg_positioner_handle_set_size(struct wl_client *client,
return; return;
} }
positioner->size.width = width; positioner->attrs.size.width = width;
positioner->size.height = height; positioner->attrs.size.height = height;
} }
static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client, static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client,
struct wl_resource *resource, int32_t x, int32_t y, int32_t width, struct wl_resource *resource, int32_t x, int32_t y, int32_t width,
int32_t height) { int32_t height) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
if (width < 1 || height < 1) { if (width < 1 || height < 1) {
@ -342,15 +329,15 @@ static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client,
return; return;
} }
positioner->anchor_rect.x = x; positioner->attrs.anchor_rect.x = x;
positioner->anchor_rect.y = y; positioner->attrs.anchor_rect.y = y;
positioner->anchor_rect.width = width; positioner->attrs.anchor_rect.width = width;
positioner->anchor_rect.height = height; positioner->attrs.anchor_rect.height = height;
} }
static void xdg_positioner_handle_set_anchor(struct wl_client *client, static void xdg_positioner_handle_set_anchor(struct wl_client *client,
struct wl_resource *resource, uint32_t anchor) { struct wl_resource *resource, uint32_t anchor) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
if (((anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP ) && if (((anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP ) &&
@ -363,12 +350,12 @@ static void xdg_positioner_handle_set_anchor(struct wl_client *client,
return; return;
} }
positioner->anchor = anchor; positioner->attrs.anchor = anchor;
} }
static void xdg_positioner_handle_set_gravity(struct wl_client *client, static void xdg_positioner_handle_set_gravity(struct wl_client *client,
struct wl_resource *resource, uint32_t gravity) { struct wl_resource *resource, uint32_t gravity) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
if (((gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) && if (((gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) &&
@ -381,25 +368,25 @@ static void xdg_positioner_handle_set_gravity(struct wl_client *client,
return; return;
} }
positioner->gravity = gravity; positioner->attrs.gravity = gravity;
} }
static void xdg_positioner_handle_set_constraint_adjustment( static void xdg_positioner_handle_set_constraint_adjustment(
struct wl_client *client, struct wl_resource *resource, struct wl_client *client, struct wl_resource *resource,
uint32_t constraint_adjustment) { uint32_t constraint_adjustment) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
positioner->constraint_adjustment = constraint_adjustment; positioner->attrs.constraint_adjustment = constraint_adjustment;
} }
static void xdg_positioner_handle_set_offset(struct wl_client *client, static void xdg_positioner_handle_set_offset(struct wl_client *client,
struct wl_resource *resource, int32_t x, int32_t y) { struct wl_resource *resource, int32_t x, int32_t y) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(resource); xdg_positioner_from_resource(resource);
positioner->offset.x = x; positioner->attrs.offset.x = x;
positioner->offset.y = y; positioner->attrs.offset.y = y;
} }
static const struct zxdg_positioner_v6_interface static const struct zxdg_positioner_v6_interface
@ -416,8 +403,8 @@ static const struct zxdg_positioner_v6_interface
static void xdg_shell_handle_create_positioner(struct wl_client *wl_client, static void xdg_shell_handle_create_positioner(struct wl_client *wl_client,
struct wl_resource *resource, uint32_t id) { struct wl_resource *resource, uint32_t id) {
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
calloc(1, sizeof(struct wlr_xdg_positioner_v6)); calloc(1, sizeof(struct wlr_xdg_positioner_v6_resource));
if (positioner == NULL) { if (positioner == NULL) {
wl_client_post_no_memory(wl_client); wl_client_post_no_memory(wl_client);
return; return;
@ -438,9 +425,8 @@ static void xdg_shell_handle_create_positioner(struct wl_client *wl_client,
positioner, xdg_positioner_destroy); positioner, xdg_positioner_destroy);
} }
static struct wlr_box xdg_positioner_get_geometry( struct wlr_box wlr_xdg_positioner_v6_get_geometry(
struct wlr_xdg_positioner_v6 *positioner, struct wlr_xdg_positioner_v6 *positioner) {
struct wlr_xdg_surface_v6 *surface, struct wlr_xdg_surface_v6 *parent) {
struct wlr_box geometry = { struct wlr_box geometry = {
.x = positioner->offset.x, .x = positioner->offset.x,
.y = positioner->offset.y, .y = positioner->offset.y,
@ -493,7 +479,6 @@ static struct wlr_box xdg_positioner_get_geometry(
return geometry; return geometry;
} }
static const struct zxdg_popup_v6_interface zxdg_popup_v6_implementation; static const struct zxdg_popup_v6_interface zxdg_popup_v6_implementation;
static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_popup_resource( static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_popup_resource(
@ -595,10 +580,11 @@ static void xdg_surface_handle_get_popup(struct wl_client *client,
xdg_surface_from_resource(resource); xdg_surface_from_resource(resource);
struct wlr_xdg_surface_v6 *parent = struct wlr_xdg_surface_v6 *parent =
xdg_surface_from_resource(parent_resource); xdg_surface_from_resource(parent_resource);
struct wlr_xdg_positioner_v6 *positioner = struct wlr_xdg_positioner_v6_resource *positioner =
xdg_positioner_from_resource(positioner_resource); xdg_positioner_from_resource(positioner_resource);
if (positioner->size.width == 0 || positioner->anchor_rect.width == 0) { if (positioner->attrs.size.width == 0 ||
positioner->attrs.anchor_rect.width == 0) {
wl_resource_post_error(resource, wl_resource_post_error(resource,
ZXDG_SHELL_V6_ERROR_INVALID_POSITIONER, ZXDG_SHELL_V6_ERROR_INVALID_POSITIONER,
"positioner object is not complete"); "positioner object is not complete");
@ -629,7 +615,12 @@ static void xdg_surface_handle_get_popup(struct wl_client *client,
surface->popup->base = surface; surface->popup->base = surface;
surface->popup->parent = parent; surface->popup->parent = parent;
surface->popup->geometry = surface->popup->geometry =
xdg_positioner_get_geometry(positioner, surface, parent); wlr_xdg_positioner_v6_get_geometry(&positioner->attrs);
// positioner properties
memcpy(&surface->popup->positioner, &positioner->attrs,
sizeof(struct wlr_xdg_positioner_v6));
wl_list_insert(&parent->popups, &surface->popup->link); wl_list_insert(&parent->popups, &surface->popup->link);
wl_resource_set_implementation(surface->popup->resource, wl_resource_set_implementation(surface->popup->resource,
@ -639,7 +630,6 @@ static void xdg_surface_handle_get_popup(struct wl_client *client,
wlr_signal_emit_safe(&parent->events.new_popup, surface->popup); wlr_signal_emit_safe(&parent->events.new_popup, surface->popup);
} }
static const struct zxdg_toplevel_v6_interface zxdg_toplevel_v6_implementation; static const struct zxdg_toplevel_v6_interface zxdg_toplevel_v6_implementation;
static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_toplevel_resource( static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_toplevel_resource(
@ -1101,7 +1091,8 @@ static void wlr_xdg_toplevel_v6_send_configure(
if (surface->toplevel->server_pending.maximized) { if (surface->toplevel->server_pending.maximized) {
s = wl_array_add(&states, sizeof(uint32_t)); s = wl_array_add(&states, sizeof(uint32_t));
if (!s) { if (!s) {
wlr_log(L_ERROR, "Could not allocate state for maximized xdg_toplevel"); wlr_log(L_ERROR,
"Could not allocate state for maximized xdg_toplevel");
goto error_out; goto error_out;
} }
*s = ZXDG_TOPLEVEL_V6_STATE_MAXIMIZED; *s = ZXDG_TOPLEVEL_V6_STATE_MAXIMIZED;
@ -1109,7 +1100,8 @@ static void wlr_xdg_toplevel_v6_send_configure(
if (surface->toplevel->server_pending.fullscreen) { if (surface->toplevel->server_pending.fullscreen) {
s = wl_array_add(&states, sizeof(uint32_t)); s = wl_array_add(&states, sizeof(uint32_t));
if (!s) { if (!s) {
wlr_log(L_ERROR, "Could not allocate state for fullscreen xdg_toplevel"); wlr_log(L_ERROR,
"Could not allocate state for fullscreen xdg_toplevel");
goto error_out; goto error_out;
} }
*s = ZXDG_TOPLEVEL_V6_STATE_FULLSCREEN; *s = ZXDG_TOPLEVEL_V6_STATE_FULLSCREEN;
@ -1117,7 +1109,8 @@ static void wlr_xdg_toplevel_v6_send_configure(
if (surface->toplevel->server_pending.resizing) { if (surface->toplevel->server_pending.resizing) {
s = wl_array_add(&states, sizeof(uint32_t)); s = wl_array_add(&states, sizeof(uint32_t));
if (!s) { if (!s) {
wlr_log(L_ERROR, "Could not allocate state for resizing xdg_toplevel"); wlr_log(L_ERROR,
"Could not allocate state for resizing xdg_toplevel");
goto error_out; goto error_out;
} }
*s = ZXDG_TOPLEVEL_V6_STATE_RESIZING; *s = ZXDG_TOPLEVEL_V6_STATE_RESIZING;
@ -1125,7 +1118,8 @@ static void wlr_xdg_toplevel_v6_send_configure(
if (surface->toplevel->server_pending.activated) { if (surface->toplevel->server_pending.activated) {
s = wl_array_add(&states, sizeof(uint32_t)); s = wl_array_add(&states, sizeof(uint32_t));
if (!s) { if (!s) {
wlr_log(L_ERROR, "Could not allocate state for activated xdg_toplevel"); wlr_log(L_ERROR,
"Could not allocate state for activated xdg_toplevel");
goto error_out; goto error_out;
} }
*s = ZXDG_TOPLEVEL_V6_STATE_ACTIVATED; *s = ZXDG_TOPLEVEL_V6_STATE_ACTIVATED;
@ -1639,3 +1633,264 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
return NULL; return NULL;
} }
void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
int *root_sx, int *root_sy) {
struct wlr_box rect = popup->positioner.anchor_rect;
enum zxdg_positioner_v6_anchor anchor = popup->positioner.anchor;
int sx = 0, sy = 0;
if (anchor == ZXDG_POSITIONER_V6_ANCHOR_NONE) {
sx = (rect.x + rect.width) / 2;
sy = (rect.y + rect.height) / 2;
} else if (anchor == ZXDG_POSITIONER_V6_ANCHOR_TOP) {
sx = (rect.x + rect.width) / 2;
sy = rect.y;
} else if (anchor == ZXDG_POSITIONER_V6_ANCHOR_BOTTOM) {
sx = (rect.x + rect.width) / 2;
sy = rect.y + rect.height;
} else if (anchor == ZXDG_POSITIONER_V6_ANCHOR_LEFT) {
sx = rect.x;
sy = (rect.y + rect.height) / 2;
} else if (anchor == ZXDG_POSITIONER_V6_ANCHOR_RIGHT) {
sx = rect.x + rect.width;
sy = (rect.y + rect.height) / 2;
} else if (anchor == (ZXDG_POSITIONER_V6_ANCHOR_TOP |
ZXDG_POSITIONER_V6_ANCHOR_LEFT)) {
sx = rect.x;
sy = rect.y;
} else if (anchor == (ZXDG_POSITIONER_V6_ANCHOR_TOP |
ZXDG_POSITIONER_V6_ANCHOR_RIGHT)) {
sx = rect.x + rect.width;
sy = rect.y;
} else if (anchor == (ZXDG_POSITIONER_V6_ANCHOR_BOTTOM |
ZXDG_POSITIONER_V6_ANCHOR_LEFT)) {
sx = rect.x;
sy = rect.y + rect.height;
} else if (anchor == (ZXDG_POSITIONER_V6_ANCHOR_BOTTOM |
ZXDG_POSITIONER_V6_ANCHOR_RIGHT)) {
sx = rect.x + rect.width;
sy = rect.y + rect.height;
}
*root_sx = sx;
*root_sy = sy;
}
void wlr_xdg_popup_v6_get_toplevel_coords(struct wlr_xdg_popup_v6 *popup,
int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) {
struct wlr_xdg_surface_v6 *parent = popup->parent;
while (parent != NULL && parent->role == WLR_XDG_SURFACE_V6_ROLE_POPUP) {
popup_sx += parent->popup->geometry.x;
popup_sy += parent->popup->geometry.y;
parent = parent->popup->parent;
}
assert(parent);
*toplevel_sx = popup_sx + parent->geometry.x;
*toplevel_sy = popup_sy + parent->geometry.y;
}
static void wlr_xdg_popup_v6_box_constraints(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box, int *offset_x, int *offset_y) {
int popup_width = popup->geometry.width;
int popup_height = popup->geometry.height;
int anchor_sx = 0, anchor_sy = 0;
wlr_xdg_popup_v6_get_anchor_point(popup, &anchor_sx, &anchor_sy);
int popup_sx = 0, popup_sy = 0;
wlr_xdg_popup_v6_get_toplevel_coords(popup, popup->geometry.x,
popup->geometry.y, &popup_sx, &popup_sy);
*offset_x = 0, *offset_y = 0;
if (popup_sx < toplevel_sx_box->x) {
*offset_x = toplevel_sx_box->x - popup_sx;
} else if (popup_sx + popup_width >
toplevel_sx_box->x + toplevel_sx_box->width) {
*offset_x = toplevel_sx_box->x + toplevel_sx_box->width -
(popup_sx + popup_width);
}
if (popup_sy < toplevel_sx_box->y) {
*offset_y = toplevel_sx_box->y - popup_sy;
} else if (popup_sy + popup_height >
toplevel_sx_box->y + toplevel_sx_box->height) {
*offset_y = toplevel_sx_box->y + toplevel_sx_box->height -
(popup_sy + popup_height);
}
}
static bool wlr_xdg_popup_v6_unconstrain_flip(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x = 0, offset_y = 0;
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
bool flip_x = offset_x &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_FLIP_X);
bool flip_y = offset_y &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_FLIP_Y);
if (flip_x) {
wlr_positioner_v6_invert_x(&popup->positioner);
}
if (flip_y) {
wlr_positioner_v6_invert_y(&popup->positioner);
}
popup->geometry =
wlr_xdg_positioner_v6_get_geometry(&popup->positioner);
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
if (!offset_x && !offset_y) {
// no longer constrained
return true;
}
// revert the positioner back if it didn't fix it and go to the next part
if (flip_x) {
wlr_positioner_v6_invert_x(&popup->positioner);
}
if (flip_y) {
wlr_positioner_v6_invert_y(&popup->positioner);
}
popup->geometry =
wlr_xdg_positioner_v6_get_geometry(&popup->positioner);
return false;
}
static bool wlr_xdg_popup_v6_unconstrain_slide(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x = 0, offset_y = 0;
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
bool slide_x = offset_x &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_SLIDE_X);
bool slide_y = offset_x &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_SLIDE_Y);
if (slide_x) {
popup->geometry.x += offset_x;
}
if (slide_y) {
popup->geometry.y += offset_y;
}
int toplevel_x = 0, toplevel_y = 0;
wlr_xdg_popup_v6_get_toplevel_coords(popup, popup->geometry.x,
popup->geometry.y, &toplevel_x, &toplevel_y);
if (slide_x && toplevel_x < toplevel_sx_box->x) {
popup->geometry.x += toplevel_sx_box->x - toplevel_x;
}
if (slide_y && toplevel_y < toplevel_sx_box->y) {
popup->geometry.y += toplevel_sx_box->y - toplevel_y;
}
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
return !offset_x && !offset_y;
}
static bool wlr_xdg_popup_v6_unconstrain_resize(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x, offset_y;
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
if (!offset_x && !offset_y) {
return true;
}
bool resize_x = offset_x &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_RESIZE_X);
bool resize_y = offset_x &&
(popup->positioner.constraint_adjustment &
ZXDG_POSITIONER_V6_CONSTRAINT_ADJUSTMENT_RESIZE_Y);
if (resize_x) {
popup->geometry.width -= offset_x;
}
if (resize_y) {
popup->geometry.height -= offset_y;
}
wlr_xdg_popup_v6_box_constraints(popup, toplevel_sx_box,
&offset_y, &offset_y);
return !offset_x && !offset_y;
}
void wlr_xdg_popup_v6_unconstrain_from_box(struct wlr_xdg_popup_v6 *popup,
struct wlr_box *toplevel_sx_box) {
if (wlr_xdg_popup_v6_unconstrain_flip(popup, toplevel_sx_box)) {
return;
}
if (wlr_xdg_popup_v6_unconstrain_slide(popup, toplevel_sx_box)) {
return;
}
if (wlr_xdg_popup_v6_unconstrain_resize(popup, toplevel_sx_box)) {
return;
}
}
void wlr_positioner_v6_invert_x(struct wlr_xdg_positioner_v6 *positioner) {
if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_LEFT) {
positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_LEFT;
positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_RIGHT;
} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_RIGHT) {
positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_RIGHT;
positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_LEFT;
}
if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_RIGHT) {
positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_RIGHT;
positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_LEFT;
} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_LEFT) {
positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_LEFT;
positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_RIGHT;
}
}
void wlr_positioner_v6_invert_y(
struct wlr_xdg_positioner_v6 *positioner) {
if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_TOP) {
positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_TOP;
positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_BOTTOM;
} else if (positioner->anchor & ZXDG_POSITIONER_V6_ANCHOR_BOTTOM) {
positioner->anchor &= ~ZXDG_POSITIONER_V6_ANCHOR_BOTTOM;
positioner->anchor |= ZXDG_POSITIONER_V6_ANCHOR_TOP;
}
if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_TOP) {
positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_TOP;
positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_BOTTOM;
} else if (positioner->gravity & ZXDG_POSITIONER_V6_GRAVITY_BOTTOM) {
positioner->gravity &= ~ZXDG_POSITIONER_V6_GRAVITY_BOTTOM;
positioner->gravity |= ZXDG_POSITIONER_V6_GRAVITY_TOP;
}
}