Implement for_window support for dim_inactive (#109)

* Implement for_window support for dim_inactive

* Update file names, add check if the container is null, add docs

* Fix typo

* Update meson.build

* Update commands.c

* Update render.c

* Update container.c

* Update render.c

* Update container.h

1 files changed, 30 insertions, 0 deletions

diff --git a/sway/commands/default_dim_inactive.c b/sway/commands/default_dim_inactive.c
new file mode 100644
index 00000000..04d8acdf
--- /dev/null
+++ b/sway/commands/default_dim_inactive.c
@@ -0,0 +1,30 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "log.h"
+#include "sway/output.h"
+
+
+struct cmd_results *cmd_default_dim_inactive(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "default_dim_inactive", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	char *err;
+	float val = strtof(argv[0], &err);
+	if (*err || val < 0.0f || val > 1.0f) {
+		return cmd_results_new(CMD_INVALID, "default_dim_inactive float invalid");
+	}
+
+	config->default_dim_inactive = val;
+
+	if (config->active) {
+		for (int i = 0; i < root->outputs->length; ++i) {
+			struct sway_output *output = root->outputs->items[i];
+			output_damage_whole(output);
+		}
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL);
+}