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	Merge pull request #2256 from emersion/xdg-positioner
Add xdg-positioner support
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						447e1e6f8a
					
				
					 2 changed files with 100 additions and 0 deletions
				
			
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					@ -45,6 +45,53 @@ static void popup_handle_destroy(struct wl_listener *listener, void *data) {
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	view_child_destroy(&popup->child);
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						view_child_destroy(&popup->child);
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}
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					}
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					static void popup_unconstrain(struct sway_xdg_popup *popup) {
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						// get the output of the popup's positioner anchor point and convert it to
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						// the toplevel parent's coordinate system and then pass it to
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						// wlr_xdg_popup_unconstrain_from_box
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						struct sway_view *view = popup->child.view;
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						struct wlr_output_layout *output_layout =
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							root_container.sway_root->output_layout;
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						struct wlr_xdg_popup *wlr_popup = popup->wlr_xdg_surface->popup;
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						int anchor_lx, anchor_ly;
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						wlr_xdg_popup_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
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						int popup_lx, popup_ly;
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						wlr_xdg_popup_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
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							wlr_popup->geometry.y, &popup_lx, &popup_ly);
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						popup_lx += view->x;
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						popup_ly += view->y;
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						anchor_lx += popup_lx;
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						anchor_ly += popup_ly;
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						double dest_x = 0, dest_y = 0;
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						wlr_output_layout_closest_point(output_layout, NULL, anchor_lx, anchor_ly,
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							&dest_x, &dest_y);
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						struct wlr_output *output =
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							wlr_output_layout_output_at(output_layout, dest_x, dest_y);
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						if (output == NULL) {
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							return;
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						}
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						int width = 0, height = 0;
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						wlr_output_effective_resolution(output, &width, &height);
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						// the output box expressed in the coordinate system of the toplevel parent
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						// of the popup
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						struct wlr_box output_toplevel_sx_box = {
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							.x = output->lx - view->x,
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							.y = output->ly - view->y,
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							.width = width,
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							.height = height
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						};
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						wlr_xdg_popup_unconstrain_from_box(wlr_popup, &output_toplevel_sx_box);
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					}
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static struct sway_xdg_popup *popup_create(
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					static struct sway_xdg_popup *popup_create(
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		struct wlr_xdg_popup *wlr_popup, struct sway_view *view) {
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							struct wlr_xdg_popup *wlr_popup, struct sway_view *view) {
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	struct wlr_xdg_surface *xdg_surface = wlr_popup->base;
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						struct wlr_xdg_surface *xdg_surface = wlr_popup->base;
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					@ -55,12 +102,15 @@ static struct sway_xdg_popup *popup_create(
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		return NULL;
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							return NULL;
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	}
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						}
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	view_child_init(&popup->child, &popup_impl, view, xdg_surface->surface);
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						view_child_init(&popup->child, &popup_impl, view, xdg_surface->surface);
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						popup->wlr_xdg_surface = xdg_surface;
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	wl_signal_add(&xdg_surface->events.new_popup, &popup->new_popup);
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						wl_signal_add(&xdg_surface->events.new_popup, &popup->new_popup);
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	popup->new_popup.notify = popup_handle_new_popup;
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						popup->new_popup.notify = popup_handle_new_popup;
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	wl_signal_add(&xdg_surface->events.destroy, &popup->destroy);
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						wl_signal_add(&xdg_surface->events.destroy, &popup->destroy);
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	popup->destroy.notify = popup_handle_destroy;
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						popup->destroy.notify = popup_handle_destroy;
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						popup_unconstrain(popup);
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	return popup;
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						return popup;
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}
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					}
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					@ -44,6 +44,53 @@ static void popup_handle_destroy(struct wl_listener *listener, void *data) {
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	view_child_destroy(&popup->child);
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						view_child_destroy(&popup->child);
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}
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					}
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					static void popup_unconstrain(struct sway_xdg_popup_v6 *popup) {
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						// get the output of the popup's positioner anchor point and convert it to
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						// the toplevel parent's coordinate system and then pass it to
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						// wlr_xdg_popup_unconstrain_from_box
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						struct sway_view *view = popup->child.view;
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						struct wlr_output_layout *output_layout =
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							root_container.sway_root->output_layout;
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						struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_xdg_surface_v6->popup;
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						int anchor_lx, anchor_ly;
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						wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
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						int popup_lx, popup_ly;
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						wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
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							wlr_popup->geometry.y, &popup_lx, &popup_ly);
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						popup_lx += view->x;
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						popup_ly += view->y;
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						anchor_lx += popup_lx;
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						anchor_ly += popup_ly;
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						double dest_x = 0, dest_y = 0;
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						wlr_output_layout_closest_point(output_layout, NULL, anchor_lx, anchor_ly,
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							&dest_x, &dest_y);
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						struct wlr_output *output =
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							wlr_output_layout_output_at(output_layout, dest_x, dest_y);
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						if (output == NULL) {
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							return;
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						}
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						int width = 0, height = 0;
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						wlr_output_effective_resolution(output, &width, &height);
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						// the output box expressed in the coordinate system of the toplevel parent
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						// of the popup
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						struct wlr_box output_toplevel_sx_box = {
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							.x = output->lx - view->x,
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							.y = output->ly - view->y,
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							.width = width,
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							.height = height
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						};
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						wlr_xdg_popup_v6_unconstrain_from_box(wlr_popup, &output_toplevel_sx_box);
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					}
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static struct sway_xdg_popup_v6 *popup_create(
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					static struct sway_xdg_popup_v6 *popup_create(
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		struct wlr_xdg_popup_v6 *wlr_popup, struct sway_view *view) {
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							struct wlr_xdg_popup_v6 *wlr_popup, struct sway_view *view) {
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	struct wlr_xdg_surface_v6 *xdg_surface = wlr_popup->base;
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						struct wlr_xdg_surface_v6 *xdg_surface = wlr_popup->base;
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					@ -54,12 +101,15 @@ static struct sway_xdg_popup_v6 *popup_create(
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		return NULL;
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							return NULL;
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	}
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						}
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	view_child_init(&popup->child, &popup_impl, view, xdg_surface->surface);
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						view_child_init(&popup->child, &popup_impl, view, xdg_surface->surface);
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						popup->wlr_xdg_surface_v6 = xdg_surface;
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	wl_signal_add(&xdg_surface->events.new_popup, &popup->new_popup);
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						wl_signal_add(&xdg_surface->events.new_popup, &popup->new_popup);
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	popup->new_popup.notify = popup_handle_new_popup;
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						popup->new_popup.notify = popup_handle_new_popup;
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	wl_signal_add(&xdg_surface->events.destroy, &popup->destroy);
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						wl_signal_add(&xdg_surface->events.destroy, &popup->destroy);
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	popup->destroy.notify = popup_handle_destroy;
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						popup->destroy.notify = popup_handle_destroy;
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						popup_unconstrain(popup);
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	return popup;
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						return popup;
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}
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					}
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