mirror of
https://github.com/cage-kiosk/cage.git
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142 lines
2.9 KiB
C
142 lines
2.9 KiB
C
/*
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* Cage: A Wayland kiosk.
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*
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* Copyright (C) 2018-2019 Jente Hidskes
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*
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* See the LICENSE file accompanying this file.
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*/
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_surface.h>
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#include "output.h"
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#include "seat.h"
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#include "server.h"
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#include "view.h"
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void
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view_activate(struct cg_view *view, bool activate)
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{
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view->activate(view, activate);
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}
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static void
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view_maximize(struct cg_view *view)
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{
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struct cg_output *output = view->server->output;
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int output_width, output_height;
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wlr_output_effective_resolution(output->wlr_output, &output_width, &output_height);
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view->maximize(view, output_width, output_height);
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}
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static void
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view_center(struct cg_view *view)
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{
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struct cg_server *server = view->server;
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struct wlr_output *output = server->output->wlr_output;
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int output_width, output_height;
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wlr_output_effective_resolution(output, &output_width, &output_height);
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int width, height;
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view->get_geometry(view, &width, &height);
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view->x = (output_width - width) / 2;
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view->y = (output_height - height) / 2;
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}
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void
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view_for_each_surface(struct cg_view *view, wlr_surface_iterator_func_t iterator,
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void *data)
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{
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view->for_each_surface(view, iterator, data);
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}
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struct wlr_surface *
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view_wlr_surface_at(struct cg_view *view, double sx, double sy, double *sub_x, double *sub_y)
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{
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return view->wlr_surface_at(view, sx, sy, sub_x, sub_y);
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}
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bool
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view_is_primary(struct cg_view *view)
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{
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return view->is_primary(view);
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}
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void
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view_position(struct cg_view *view)
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{
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if (view_is_primary(view)) {
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view_maximize(view);
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} else {
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view_center(view);
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}
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}
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void
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view_unmap(struct cg_view *view)
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{
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wl_list_remove(&view->link);
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view->wlr_surface = NULL;
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}
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void
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view_map(struct cg_view *view, struct wlr_surface *surface)
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{
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view->wlr_surface = surface;
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view_position(view);
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wl_list_insert(&view->server->views, &view->link);
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seat_set_focus(view->server->seat, view);
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}
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void
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view_destroy(struct cg_view *view)
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{
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struct cg_server *server = view->server;
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bool terminate = view_is_primary(view);
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if (view->wlr_surface != NULL) {
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view_unmap(view);
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}
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free(view);
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/* If this was our primary view, exit. Otherwise, focus the
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previous (i.e., next highest in the stack) view. Since
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we're still here, we know there is at least one view in the
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list. */
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if (terminate) {
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wl_display_terminate(server->wl_display);
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} else {
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struct cg_view *prev = wl_container_of(server->views.next, prev, link);
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seat_set_focus(server->seat, prev);
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}
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}
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struct cg_view *
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cg_view_create(struct cg_server *server)
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{
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struct cg_view *view = calloc(1, sizeof(struct cg_view));
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view->server = server;
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return view;
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}
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struct cg_view *
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cg_view_from_wlr_surface(struct cg_server *server, struct wlr_surface *surface)
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{
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struct cg_view *view;
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wl_list_for_each(view, &server->views, link) {
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if (view->wlr_surface == surface) {
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return view;
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}
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}
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return NULL;
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}
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