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Finish forward-porting @acrisci's positioner work

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This commit is contained in:
Drew DeVault 2018-04-14 21:34:50 -04:00 committed by Guido Günther
parent 2e3d901ac5
commit 0a0627f5d0
4 changed files with 360 additions and 3 deletions
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5
examples/layer-shell.c
View file

@ -145,7 +145,8 @@ static const struct xdg_surface_listener xdg_surface_listener = {
static void xdg_popup_configure(void *data, struct xdg_popup *xdg_popup,
int32_t x, int32_t y, int32_t width, int32_t height) {
// Meh.
wlr_log(L_DEBUG, "Popup configured %dx%d@%d,%d",
width, height, x, y);
}
static void xdg_popup_done(void *data, struct xdg_popup *xdg_popup) {
@ -176,8 +177,6 @@ static void create_popup() {
xdg_positioner_set_anchor_rect(xdg_positioner, cur_x, cur_y, 1, 1);
xdg_positioner_set_anchor(xdg_positioner, XDG_POSITIONER_ANCHOR_TOP_LEFT);
xdg_positioner_set_gravity(xdg_positioner, XDG_POSITIONER_GRAVITY_TOP_LEFT);
xdg_positioner_set_constraint_adjustment(xdg_positioner,
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE);
popup = xdg_surface_get_popup(xdg_surface, NULL, xdg_positioner);
assert(popup);

40
include/wlr/types/wlr_xdg_shell.h
View file

@ -258,6 +258,46 @@ void wlr_xdg_surface_send_close(struct wlr_xdg_surface *surface);
void wlr_xdg_surface_popup_get_position(struct wlr_xdg_surface *surface,
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_get_geometry(
struct wlr_xdg_positioner *positioner);
/**
* Get the anchor point for this popup in the toplevel parent's coordinate system.
*/
void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *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_get_toplevel_coords(struct wlr_xdg_popup *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_unconstrain_from_box(struct wlr_xdg_popup *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_invert_x(struct wlr_xdg_positioner *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_invert_y(struct wlr_xdg_positioner *positioner);
/**
* Find a surface within this xdg-surface tree at the given surface-local
* coordinates. Returns the surface and coordinates in the leaf surface

56
rootston/xdg_shell.c
View file

@ -48,6 +48,59 @@ static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
popup_create(popup->view_child.view, wlr_popup);
}
static void popup_unconstrain(struct roots_xdg_popup *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 *wlr_popup = popup->wlr_popup;
int anchor_lx, anchor_ly;
wlr_xdg_popup_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
int popup_lx, popup_ly;
wlr_xdg_popup_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_unconstrain_from_box(
popup->wlr_popup, &output_toplevel_sx_box);
}
static struct roots_xdg_popup *popup_create(struct roots_view *view,
struct wlr_xdg_popup *wlr_popup) {
struct roots_xdg_popup *popup =
@ -66,6 +119,9 @@ static struct roots_xdg_popup *popup_create(struct roots_view *view,
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup_unconstrain(popup);
return popup;
}

262
types/wlr_xdg_shell.c
View file

@ -1608,6 +1608,268 @@ struct wlr_surface *wlr_xdg_surface_surface_at(
return wlr_surface_surface_at(surface->surface, sx, sy, sub_x, sub_y);
}
void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup,
int *root_sx, int *root_sy) {
struct wlr_box rect = popup->positioner.anchor_rect;
enum xdg_positioner_anchor anchor = popup->positioner.anchor;
int sx = 0, sy = 0;
if (anchor == XDG_POSITIONER_ANCHOR_NONE) {
sx = (rect.x + rect.width) / 2;
sy = (rect.y + rect.height) / 2;
} else if (anchor == XDG_POSITIONER_ANCHOR_TOP) {
sx = (rect.x + rect.width) / 2;
sy = rect.y;
} else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM) {
sx = (rect.x + rect.width) / 2;
sy = rect.y + rect.height;
} else if (anchor == XDG_POSITIONER_ANCHOR_LEFT) {
sx = rect.x;
sy = (rect.y + rect.height) / 2;
} else if (anchor == XDG_POSITIONER_ANCHOR_RIGHT) {
sx = rect.x + rect.width;
sy = (rect.y + rect.height) / 2;
} else if (anchor == (XDG_POSITIONER_ANCHOR_TOP |
XDG_POSITIONER_ANCHOR_LEFT)) {
sx = rect.x;
sy = rect.y;
} else if (anchor == (XDG_POSITIONER_ANCHOR_TOP |
XDG_POSITIONER_ANCHOR_RIGHT)) {
sx = rect.x + rect.width;
sy = rect.y;
} else if (anchor == (XDG_POSITIONER_ANCHOR_BOTTOM |
XDG_POSITIONER_ANCHOR_LEFT)) {
sx = rect.x;
sy = rect.y + rect.height;
} else if (anchor == (XDG_POSITIONER_ANCHOR_BOTTOM |
XDG_POSITIONER_ANCHOR_RIGHT)) {
sx = rect.x + rect.width;
sy = rect.y + rect.height;
}
*root_sx = sx;
*root_sy = sy;
}
void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup,
int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) {
assert(strcmp(popup->parent->role, wlr_desktop_xdg_toplevel_role) == 0
|| strcmp(popup->parent->role, wlr_desktop_xdg_popup_role) == 0);
struct wlr_xdg_surface *parent = popup->parent->role_data;
while (parent != NULL && parent->role == WLR_XDG_SURFACE_ROLE_POPUP) {
popup_sx += parent->popup->geometry.x;
popup_sy += parent->popup->geometry.y;
parent = parent->popup->parent->role_data;
}
assert(parent);
*toplevel_sx = popup_sx + parent->geometry.x;
*toplevel_sy = popup_sy + parent->geometry.y;
}
static void wlr_xdg_popup_box_constraints(struct wlr_xdg_popup *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_get_anchor_point(popup, &anchor_sx, &anchor_sy);
int popup_sx = 0, popup_sy = 0;
wlr_xdg_popup_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_unconstrain_flip(struct wlr_xdg_popup *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x = 0, offset_y = 0;
wlr_xdg_popup_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 &
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X);
bool flip_y = offset_y &&
(popup->positioner.constraint_adjustment &
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y);
if (flip_x) {
wlr_positioner_invert_x(&popup->positioner);
}
if (flip_y) {
wlr_positioner_invert_y(&popup->positioner);
}
popup->geometry =
wlr_xdg_positioner_get_geometry(&popup->positioner);
wlr_xdg_popup_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_invert_x(&popup->positioner);
}
if (flip_y) {
wlr_positioner_invert_y(&popup->positioner);
}
popup->geometry =
wlr_xdg_positioner_get_geometry(&popup->positioner);
return false;
}
static bool wlr_xdg_popup_unconstrain_slide(struct wlr_xdg_popup *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x = 0, offset_y = 0;
wlr_xdg_popup_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 &
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X);
bool slide_y = offset_x &&
(popup->positioner.constraint_adjustment &
XDG_POSITIONER_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_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_box_constraints(popup, toplevel_sx_box,
&offset_x, &offset_y);
return !offset_x && !offset_y;
}
static bool wlr_xdg_popup_unconstrain_resize(struct wlr_xdg_popup *popup,
struct wlr_box *toplevel_sx_box) {
int offset_x, offset_y;
wlr_xdg_popup_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 &
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X);
bool resize_y = offset_x &&
(popup->positioner.constraint_adjustment &
XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y);
if (resize_x) {
popup->geometry.width -= offset_x;
}
if (resize_y) {
popup->geometry.height -= offset_y;
}
wlr_xdg_popup_box_constraints(popup, toplevel_sx_box,
&offset_y, &offset_y);
return !offset_x && !offset_y;
}
void wlr_xdg_popup_unconstrain_from_box(struct wlr_xdg_popup *popup,
struct wlr_box *toplevel_sx_box) {
if (wlr_xdg_popup_unconstrain_flip(popup, toplevel_sx_box)) {
return;
}
if (wlr_xdg_popup_unconstrain_slide(popup, toplevel_sx_box)) {
return;
}
if (wlr_xdg_popup_unconstrain_resize(popup, toplevel_sx_box)) {
return;
}
}
void wlr_positioner_invert_x(struct wlr_xdg_positioner *positioner) {
if (positioner->anchor & XDG_POSITIONER_ANCHOR_LEFT) {
positioner->anchor &= ~XDG_POSITIONER_ANCHOR_LEFT;
positioner->anchor |= XDG_POSITIONER_ANCHOR_RIGHT;
} else if (positioner->anchor & XDG_POSITIONER_ANCHOR_RIGHT) {
positioner->anchor &= ~XDG_POSITIONER_ANCHOR_RIGHT;
positioner->anchor |= XDG_POSITIONER_ANCHOR_LEFT;
}
if (positioner->gravity & XDG_POSITIONER_GRAVITY_RIGHT) {
positioner->gravity &= ~XDG_POSITIONER_GRAVITY_RIGHT;
positioner->gravity |= XDG_POSITIONER_GRAVITY_LEFT;
} else if (positioner->gravity & XDG_POSITIONER_GRAVITY_LEFT) {
positioner->gravity &= ~XDG_POSITIONER_GRAVITY_LEFT;
positioner->gravity |= XDG_POSITIONER_GRAVITY_RIGHT;
}
}
void wlr_positioner_invert_y(
struct wlr_xdg_positioner *positioner) {
if (positioner->anchor & XDG_POSITIONER_ANCHOR_TOP) {
positioner->anchor &= ~XDG_POSITIONER_ANCHOR_TOP;
positioner->anchor |= XDG_POSITIONER_ANCHOR_BOTTOM;
} else if (positioner->anchor & XDG_POSITIONER_ANCHOR_BOTTOM) {
positioner->anchor &= ~XDG_POSITIONER_ANCHOR_BOTTOM;
positioner->anchor |= XDG_POSITIONER_ANCHOR_TOP;
}
if (positioner->gravity & XDG_POSITIONER_GRAVITY_TOP) {
positioner->gravity &= ~XDG_POSITIONER_GRAVITY_TOP;
positioner->gravity |= XDG_POSITIONER_GRAVITY_BOTTOM;
} else if (positioner->gravity & XDG_POSITIONER_GRAVITY_BOTTOM) {
positioner->gravity &= ~XDG_POSITIONER_GRAVITY_BOTTOM;
positioner->gravity |= XDG_POSITIONER_GRAVITY_TOP;
}
}
struct xdg_surface_iterator_data {
wlr_surface_iterator_func_t user_iterator;