Add wallpapers to output command

1 files changed, 14 insertions, 13 deletions

diff --git a/swaybg/main.c b/swaybg/main.c
index 080422e5..5a12eec6 100644
--- a/swaybg/main.c
+++ b/swaybg/main.c
@@ -28,28 +28,29 @@ int main(int argc, char **argv) {
         surfaces = create_list();
         registry = registry_poll();
 
-        if (argc < 2) {
-                sway_abort("Usage: swaybg path/to/file.png");
+        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;
-        for (i = 0; i < registry->outputs->length; ++i) {
-                struct output_state *output = registry->outputs->items[i];
-                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);
+        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);
 
-        cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
+        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);