diff options
| -rw-r--r-- | sway/commands/opacity.c | 33 | ||||
| -rw-r--r-- | sway/sway.5.scd | 6 |
2 files changed, 21 insertions, 18 deletions
diff --git a/sway/commands/opacity.c b/sway/commands/opacity.c index 14a07051..96e6228e 100644 --- a/sway/commands/opacity.c +++ b/sway/commands/opacity.c @@ -1,21 +1,13 @@ #include <assert.h> #include <stdlib.h> +#include <strings.h> #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, "opacity", EXPECTED_EQUAL_TO, 1))) { + if ((error = checkarg(argc, "opacity", EXPECTED_AT_LEAST, 1))) { return error; } @@ -25,15 +17,26 @@ struct cmd_results *cmd_opacity(int argc, char **argv) { return cmd_results_new(CMD_FAILURE, "No current container"); } - float opacity = 0.0f; + char *err; + float val = strtof(argc == 1 ? argv[0] : argv[1], &err); + if (*err) { + return cmd_results_new(CMD_INVALID, "opacity float invalid"); + } - if (!parse_opacity(argv[0], &opacity)) { + if (!strcasecmp(argv[0], "plus")) { + val = con->alpha + val; + } else if (!strcasecmp(argv[0], "minus")) { + val = con->alpha - val; + } else if (argc > 1 && strcasecmp(argv[0], "set")) { return cmd_results_new(CMD_INVALID, - "Invalid value (expected 0..1): %s", argv[0]); + "Expected: set|plus|minus <0..1>: %s", argv[0]); } - con->alpha = opacity; - container_damage_whole(con); + if (val < 0 || val > 1) { + return cmd_results_new(CMD_FAILURE, "opacity value out of bounds"); + } + con->alpha = val; + container_damage_whole(con); return cmd_results_new(CMD_SUCCESS, NULL); } diff --git a/sway/sway.5.scd b/sway/sway.5.scd index 3e445e0e..768f125e 100644 --- a/sway/sway.5.scd +++ b/sway/sway.5.scd @@ -664,9 +664,9 @@ The default colors are: Any mark that starts with an underscore will not be drawn even if *show_marks* is yes. The default is _yes_. -*opacity* <value> - Set the opacity of the window between 0 (completely transparent) and 1 - (completely opaque). +*opacity* [set|plus|minus] <value> + Adjusts the opacity of the window between 0 (completely transparent) and + 1 (completely opaque). If the operation is omitted, _set_ will be used. *tiling_drag* enable|disable|toggle Sets whether or not tiling containers can be dragged with the mouse. If |