sway/swaybg/main.c
2015-11-19 18:55:17 -05:00

78 lines
2.1 KiB
C

#include "wayland-desktop-shell-client-protocol.h"
#include <stdio.h>
#include <stdlib.h>
#include <wayland-client.h>
#include <time.h>
#include "client/window.h"
#include "client/registry.h"
#include "log.h"
#include "list.h"
list_t *surfaces;
struct registry *registry;
void sway_terminate(void) {
int i;
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
registry_teardown(registry);
exit(1);
}
int main(int argc, char **argv) {
init_log(L_INFO);
surfaces = create_list();
registry = registry_poll();
if (argc < 4) {
sway_abort("Do not run this program manually. See man 5 sway and look for output options.");
}
if (!registry->desktop_shell) {
sway_abort("swaybg requires the compositor to support the desktop-shell extension.");
}
int desired_output = atoi(argv[1]);
sway_log(L_INFO, "Using output %d of %d", desired_output, registry->outputs->length);
int i;
struct output_state *output = registry->outputs->items[desired_output];
struct window *window = window_setup(registry, 100, 100, false);
if (!window) {
sway_abort("Failed to create surfaces.");
}
window->width = output->width;
window->height = output->height;
desktop_shell_set_background(registry->desktop_shell, output->output, window->surface);
list_add(surfaces, window);
char *scaling_mode = argv[3];
cairo_surface_t *image = cairo_image_surface_create_from_png(argv[2]);
double width = cairo_image_surface_get_width(image);
double height = cairo_image_surface_get_height(image);
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
if (window_prerender(window) && window->cairo) {
cairo_scale(window->cairo, window->width / width, window->height / height);
cairo_set_source_surface(window->cairo, image, 0, 0);
cairo_paint(window->cairo);
window_render(window);
}
}
while (wl_display_dispatch(registry->display) != -1);
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
registry_teardown(registry);
return 0;
}