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	xdg-positioner constraint detection
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					 4 changed files with 198 additions and 14 deletions
				
			
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						 | 
					@ -114,15 +114,6 @@ struct wlr_xdg_popup_v6 {
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	struct wlr_box geometry;
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						struct wlr_box geometry;
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	struct wlr_xdg_positioner_v6_attributes positioner;
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						struct wlr_xdg_positioner_v6_attributes positioner;
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	struct wlr_box anchor_rect;
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	struct {
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		int32_t width, height;
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	} size;
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	struct {
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		int32_t x, y;
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	} offset;
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	struct wl_list grab_link; // wlr_xdg_popup_grab_v6::popups
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						struct wl_list grab_link; // wlr_xdg_popup_grab_v6::popups
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};
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					};
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					@ -305,4 +296,13 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
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		struct wlr_xdg_surface_v6 *surface, double sx, double sy,
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							struct wlr_xdg_surface_v6 *surface, double sx, double sy,
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		double *popup_sx, double *popup_sy);
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							double *popup_sx, double *popup_sy);
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					/**
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					 * Get the anchor point for this popup in the root parent's coordinate system.
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					 */
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					void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
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							int *root_sx, int *root_sy);
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					void wlr_positioner_v6_invert(
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							struct wlr_xdg_positioner_v6_attributes *positioner);
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#endif
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					#endif
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					@ -45,6 +45,55 @@ static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
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	if (popup == NULL) {
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						if (popup == NULL) {
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		return NULL;
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							return NULL;
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	}
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						}
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						struct wlr_xdg_surface_v6 *parent = wlr_popup->parent;
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						double popup_lx = wlr_popup->geometry.x;
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						double popup_ly = wlr_popup->geometry.y;
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						while (parent->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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							popup_lx += parent->popup->geometry.x;
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							popup_ly += parent->popup->geometry.y;
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							parent = parent->popup->parent;
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						}
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						popup_lx += view->x + parent->geometry.x;
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						popup_ly += view->y + parent->geometry.y;
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						int popup_width = wlr_popup->geometry.width;
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						int popup_height = wlr_popup->geometry.height;
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						int anchor_x, anchor_y;
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						wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_x, &anchor_y);
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						anchor_x += popup_lx;
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						anchor_y += popup_ly;
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						struct wlr_output_layout *layout = view->desktop->layout;
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						// get the output that contains (or closest to) the anchor point
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						struct wlr_output *output =
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							wlr_output_layout_output_at(layout, anchor_x, anchor_y);
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						if (output == NULL) {
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							// TODO find the closest output to the anchor
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							assert(false);
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						}
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						// does the output completely contain the popup?
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						struct wlr_box *output_box = wlr_output_layout_get_box(layout, output);
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						bool output_contains_popup_x = popup_lx >= output_box->x &&
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								popup_lx + popup_width <= output_box->x + output_box->width;
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						bool output_contains_popup_y = popup_ly >= output_box->y &&
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								popup_ly + popup_height <= output_box->y + output_box->height;
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						if (!output_contains_popup_x) {
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							// TODO flip_x
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							// TODO slide_x
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							// TODO resize_x
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						}
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						if (!output_contains_popup_y) {
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							// TODO flip_y
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							// TODO slide_y
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							// TODO resize_y
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						}
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	popup->wlr_popup = wlr_popup;
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						popup->wlr_popup = wlr_popup;
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	popup->view_child.destroy = popup_destroy;
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						popup->view_child.destroy = popup_destroy;
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	view_child_init(&popup->view_child, view, wlr_popup->base->surface);
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						view_child_init(&popup->view_child, view, wlr_popup->base->surface);
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					@ -339,8 +339,12 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
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		}
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							}
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	}
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						}
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	*dest_x = min_x;
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						if (dest_x) {
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	*dest_y = min_y;
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							*dest_x = min_x;
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						}
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						if (dest_y) {
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							*dest_y = min_y;
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						}
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}
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					}
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struct wlr_box *wlr_output_layout_get_box(
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					struct wlr_box *wlr_output_layout_get_box(
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					@ -454,7 +454,6 @@ static struct wlr_box xdg_positioner_get_geometry(
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	return geometry;
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						return geometry;
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}
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					}
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static const struct zxdg_popup_v6_interface zxdg_popup_v6_implementation;
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					static const struct zxdg_popup_v6_interface zxdg_popup_v6_implementation;
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static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_popup_resource(
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					static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_popup_resource(
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					@ -593,7 +592,7 @@ static void xdg_surface_handle_get_popup(struct wl_client *client,
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		xdg_positioner_get_geometry(positioner->attrs, surface, parent);
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							xdg_positioner_get_geometry(positioner->attrs, surface, parent);
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	// positioner properties
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						// positioner properties
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	memcpy(&surface->popup->positioner, &positioner->attrs,
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						memcpy(&surface->popup->positioner, positioner->attrs,
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		sizeof(struct wlr_xdg_positioner_v6_attributes));
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							sizeof(struct wlr_xdg_positioner_v6_attributes));
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	wl_list_insert(&parent->popups, &surface->popup->link);
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						wl_list_insert(&parent->popups, &surface->popup->link);
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					@ -605,7 +604,6 @@ static void xdg_surface_handle_get_popup(struct wl_client *client,
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	wlr_signal_emit_safe(&parent->events.new_popup, surface->popup);
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						wlr_signal_emit_safe(&parent->events.new_popup, surface->popup);
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}
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					}
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static const struct zxdg_toplevel_v6_interface zxdg_toplevel_v6_implementation;
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					static const struct zxdg_toplevel_v6_interface zxdg_toplevel_v6_implementation;
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static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_toplevel_resource(
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					static struct wlr_xdg_surface_v6 *xdg_surface_from_xdg_toplevel_resource(
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					@ -1591,3 +1589,136 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
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	return NULL;
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						return NULL;
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}
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					}
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					void wlr_xdg_popup_v6_get_anchor_point(struct wlr_xdg_popup_v6 *popup,
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							int *root_sx, int *root_sy) {
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						struct wlr_box rect = popup->positioner.anchor_rect;
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						enum wlr_positioner_v6_anchor anchor = popup->positioner.anchor;
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						int sx = 0, sy = 0;
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						if (anchor == WLR_POSITIONER_V6_ANCHOR_NONE) {
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							sx = (rect.x + rect.width) / 2;
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							sy = (rect.y + rect.height) / 2;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_TOP) {
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							sx = (rect.x + rect.width) / 2;
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							sy = rect.y;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_BOTTOM) {
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							sx = (rect.x + rect.width) / 2;
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							sy = rect.y + rect.height;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_LEFT) {
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							sx = rect.x;
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							sy = (rect.y + rect.height) / 2;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_RIGHT) {
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							sx = rect.x + rect.width;
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							sy = (rect.y + rect.height) / 2;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_TOP |
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									WLR_POSITIONER_V6_ANCHOR_LEFT)) {
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							sx = rect.x;
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							sy = rect.y;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_TOP |
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									WLR_POSITIONER_V6_ANCHOR_RIGHT)) {
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							sx = rect.x + rect.width;
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							sy = rect.y;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_BOTTOM |
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									WLR_POSITIONER_V6_ANCHOR_LEFT)) {
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							sx = rect.x;
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							sy = rect.y + rect.height;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_BOTTOM |
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									WLR_POSITIONER_V6_ANCHOR_RIGHT)) {
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							sx = rect.x + rect.width;
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							sy = rect.y + rect.height;
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						}
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						*root_sx = sx;
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						*root_sy = sy;
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						/*
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						// XXX: THIS IS WILL WORK WITH XDG SHELL STABLE
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						switch (popup->positioner.anchor) {
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						case WLR_POSITIONER_ANCHOR_NONE:
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							sx = (rect.x + rect.width) / 2;
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							sy = (rect.y + rect.height) / 2;
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							break;
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						case WLR_POSITIONER_ANCHOR_TOP:
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							sx = (rect.x + rect.width) / 2;
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							sy = rect.y;
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							break;
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						case WLR_POSITIONER_ANCHOR_BOTTOM:
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							sx = (rect.x + rect.width) / 2;
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							sy = rect.y + rect.height;
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							break;
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						case WLR_POSITIONER_ANCHOR_LEFT:
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							sx = rect.x;
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							sy = (rect.y + rect.height) / 2;
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							break;
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						case WLR_POSITIONER_ANCHOR_RIGHT:
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							sx = rect.x + rect.width;
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							sy = (rect.y + rect.height) / 2;
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							break;
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						case WLR_POSITIONER_ANCHOR_TOP_LEFT:
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							sx = rect.x;
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							sy = rect.y;
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							break;
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						case WLR_POSITIONER_ANCHOR_BOTTOM_LEFT:
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							sx = rect.x;
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							sy = rect.y + rect.height;
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							break;
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						case WLR_POSITIONER_ANCHOR_TOP_RIGHT:
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							sx = rect.x + rect.width;
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							sy = rect.y;
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							break;
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						case WLR_POSITIONER_ANCHOR_BOTTOM_RIGHT:
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							sx = rect.x + rect.width;
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							sy = rect.y + rect.height;
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							break;
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						}
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						*/
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					}
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					void wlr_positioner_v6_invert(
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							struct wlr_xdg_positioner_v6_attributes *positioner) {
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						enum wlr_positioner_v6_anchor anchor = positioner->anchor;
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						if (anchor == WLR_POSITIONER_V6_ANCHOR_NONE) {
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							// already inverted
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_TOP) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_BOTTOM;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_BOTTOM) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_TOP;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_LEFT) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_RIGHT;
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						} else if (anchor == WLR_POSITIONER_V6_ANCHOR_RIGHT) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_LEFT;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_TOP |
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									WLR_POSITIONER_V6_ANCHOR_LEFT)) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_BOTTOM | WLR_POSITIONER_V6_ANCHOR_RIGHT;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_TOP |
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									WLR_POSITIONER_V6_ANCHOR_RIGHT)) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_BOTTOM | WLR_POSITIONER_V6_ANCHOR_LEFT;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_BOTTOM |
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									WLR_POSITIONER_V6_ANCHOR_LEFT)) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_TOP | WLR_POSITIONER_V6_ANCHOR_RIGHT;
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						} else if (anchor == (WLR_POSITIONER_V6_ANCHOR_BOTTOM |
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									WLR_POSITIONER_V6_ANCHOR_RIGHT)) {
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							positioner->anchor = WLR_POSITIONER_V6_ANCHOR_TOP | WLR_POSITIONER_V6_ANCHOR_LEFT;
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						}
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						enum wlr_positioner_v6_gravity gravity = positioner->gravity;
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						switch (gravity) {
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						case WLR_POSITIONER_V6_GRAVITY_NONE:
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							// already inverted
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							break;
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						case WLR_POSITIONER_V6_GRAVITY_TOP:
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 | 
							positioner->gravity = WLR_POSITIONER_V6_GRAVITY_BOTTOM;
 | 
				
			||||||
 | 
							break;
 | 
				
			||||||
 | 
						case WLR_POSITIONER_V6_GRAVITY_BOTTOM:
 | 
				
			||||||
 | 
							positioner->gravity = WLR_POSITIONER_V6_GRAVITY_TOP;
 | 
				
			||||||
 | 
							break;
 | 
				
			||||||
 | 
						case WLR_POSITIONER_V6_GRAVITY_LEFT:
 | 
				
			||||||
 | 
							positioner->gravity = WLR_POSITIONER_V6_GRAVITY_RIGHT;
 | 
				
			||||||
 | 
							break;
 | 
				
			||||||
 | 
						case WLR_POSITIONER_V6_GRAVITY_RIGHT:
 | 
				
			||||||
 | 
							positioner->gravity = WLR_POSITIONER_V6_GRAVITY_LEFT;
 | 
				
			||||||
 | 
							break;
 | 
				
			||||||
 | 
						}
 | 
				
			||||||
 | 
					}
 | 
				
			||||||
| 
						 | 
					
 | 
				
			||||||
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		Reference in a new issue