labwc/src/xdg-popup.c
2021-09-24 21:45:48 +01:00

100 lines
2.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2020 the sway authors
*
* This file is only needed in support of
* - tracking damage
* - unconstraining XDG popups
*/
#include "labwc.h"
static void
xdg_popup_destroy(struct view_child *view_child)
{
if (!view_child) {
return;
}
struct xdg_popup *popup = (struct xdg_popup *)view_child;
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->map.link);
wl_list_remove(&popup->unmap.link);
wl_list_remove(&popup->new_popup.link);
view_child_finish(&popup->view_child);
free(popup);
}
static void
handle_xdg_popup_map(struct wl_listener *listener, void *data)
{
struct xdg_popup *popup = wl_container_of(listener, popup, map);
damage_all_outputs(popup->view_child.parent->server);
}
static void
handle_xdg_popup_unmap(struct wl_listener *listener, void *data)
{
struct xdg_popup *popup = wl_container_of(listener, popup, unmap);
damage_all_outputs(popup->view_child.parent->server);
}
static void
handle_xdg_popup_destroy(struct wl_listener *listener, void *data)
{
struct xdg_popup *popup = wl_container_of(listener, popup, destroy);
struct view_child *view_child = (struct view_child *)popup;
xdg_popup_destroy(view_child);
}
static void
popup_handle_new_xdg_popup(struct wl_listener *listener, void *data)
{
struct xdg_popup *popup = wl_container_of(listener, popup, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
xdg_popup_create(popup->view_child.parent, wlr_popup);
}
static void
popup_unconstrain(struct xdg_popup *popup)
{
struct view *view = popup->view_child.parent;
struct server *server = view->server;
struct wlr_box *popup_box = &popup->wlr_popup->geometry;
struct wlr_output_layout *output_layout = server->output_layout;
struct wlr_output *wlr_output = wlr_output_layout_output_at(
output_layout, view->x + popup_box->x, view->y + popup_box->y);
struct wlr_box *output_box = wlr_output_layout_get_box(
output_layout, wlr_output);
struct wlr_box output_toplevel_box = {
.x = output_box->x - view->x,
.y = output_box->y - view->y,
.width = output_box->width,
.height = output_box->height,
};
wlr_xdg_popup_unconstrain_from_box(
popup->wlr_popup, &output_toplevel_box);
}
void
xdg_popup_create(struct view *view, struct wlr_xdg_popup *wlr_popup)
{
struct xdg_popup *popup = calloc(1, sizeof(struct xdg_popup));
if (!popup) {
return;
}
popup->wlr_popup = wlr_popup;
view_child_init(&popup->view_child, view, wlr_popup->base->surface);
popup->destroy.notify = handle_xdg_popup_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->map.notify = handle_xdg_popup_map;
wl_signal_add(&wlr_popup->base->events.map, &popup->map);
popup->unmap.notify = handle_xdg_popup_unmap;
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_xdg_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup_unconstrain(popup);
}