From fc9398a42e1dfc15bbb8490c049981034abb4926 Mon Sep 17 00:00:00 2001 From: Tony Crisci Date: Tue, 3 Apr 2018 00:47:45 -0400 Subject: Implement opacity command --- sway/commands/opacity.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 sway/commands/opacity.c (limited to 'sway/commands') diff --git a/sway/commands/opacity.c b/sway/commands/opacity.c new file mode 100644 index 00000000..b8cd1f09 --- /dev/null +++ b/sway/commands/opacity.c @@ -0,0 +1,39 @@ +#include +#include +#include "sway/commands.h" +#include "sway/tree/view.h" +#include "log.h" + +static bool parse_opacity(const char *opacity, float *val) { + char *err; + *val = strtof(opacity, &err); + if (*val < 0 || *val > 1 || *err) { + return false; + } + return true; +} + +struct cmd_results *cmd_opacity(int argc, char **argv) { + struct cmd_results *error = NULL; + if ((error = checkarg(argc, "layout", EXPECTED_EQUAL_TO, 1))) { + return error; + } + + struct sway_container *con = + config->handler_context.current_container; + + float opacity = 0.0f; + + if (!parse_opacity(argv[0], &opacity)) { + return cmd_results_new(CMD_INVALID, "opacity ", + "Invalid value (expected 0..1): %s", argv[0]); + } + + con->alpha = opacity; + + if (con->type == C_VIEW) { + view_damage_whole(con->sway_view); + } + + return cmd_results_new(CMD_SUCCESS, NULL, NULL); +} -- cgit v1.2.3