swayfx/sway/commands/gaps.c

167 lines
4.2 KiB
C

#include <string.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/tree/arrange.h"
#include "sway/tree/workspace.h"
#include "log.h"
#include "stringop.h"
#include <math.h>
enum gaps_op {
GAPS_OP_SET,
GAPS_OP_ADD,
GAPS_OP_SUBTRACT
};
struct gaps_data {
bool inner;
enum gaps_op operation;
int amount;
};
// gaps inner|outer <px>
static struct cmd_results *gaps_set_defaults(int argc, char **argv) {
struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_EQUAL_TO, 2);
if (error) {
return error;
}
bool inner;
if (strcasecmp(argv[0], "inner") == 0) {
inner = true;
} else if (strcasecmp(argv[0], "outer") == 0) {
inner = false;
} else {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer <px>'");
}
char *end;
int amount = strtol(argv[1], &end, 10);
if (strlen(end) && strcasecmp(end, "px") != 0) {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer <px>'");
}
if (inner) {
config->gaps_inner = (amount >= 0) ? amount : 0;
} else {
config->gaps_outer = amount;
}
// Prevent negative outer gaps from moving windows out of the workspace.
if (config->gaps_outer < -config->gaps_inner) {
config->gaps_outer = -config->gaps_inner;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static void configure_gaps(struct sway_workspace *ws, void *_data) {
struct gaps_data *data = _data;
int *prop = data->inner ? &ws->gaps_inner : &ws->gaps_outer;
switch (data->operation) {
case GAPS_OP_SET:
*prop = data->amount;
break;
case GAPS_OP_ADD:
*prop += data->amount;
break;
case GAPS_OP_SUBTRACT:
*prop -= data->amount;
break;
}
// Prevent invalid gaps configurations.
if (ws->gaps_inner < 0) {
ws->gaps_inner = 0;
}
if (ws->gaps_outer < -ws->gaps_inner) {
ws->gaps_outer = -ws->gaps_inner;
}
arrange_workspace(ws);
}
// gaps inner|outer current|all set|plus|minus <px>
static struct cmd_results *gaps_set_runtime(int argc, char **argv) {
struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_EQUAL_TO, 4);
if (error) {
return error;
}
if (!root->outputs->length) {
return cmd_results_new(CMD_INVALID, "gaps",
"Can't run this command while there's no outputs connected.");
}
struct gaps_data data;
if (strcasecmp(argv[0], "inner") == 0) {
data.inner = true;
} else if (strcasecmp(argv[0], "outer") == 0) {
data.inner = false;
} else {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer current|all set|plus|minus <px>'");
}
bool all;
if (strcasecmp(argv[1], "current") == 0) {
all = false;
} else if (strcasecmp(argv[1], "all") == 0) {
all = true;
} else {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer current|all set|plus|minus <px>'");
}
if (strcasecmp(argv[2], "set") == 0) {
data.operation = GAPS_OP_SET;
} else if (strcasecmp(argv[2], "plus") == 0) {
data.operation = GAPS_OP_ADD;
} else if (strcasecmp(argv[2], "minus") == 0) {
data.operation = GAPS_OP_SUBTRACT;
} else {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer current|all set|plus|minus <px>'");
}
char *end;
data.amount = strtol(argv[3], &end, 10);
if (strlen(end) && strcasecmp(end, "px") != 0) {
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer current|all set|plus|minus <px>'");
}
if (all) {
root_for_each_workspace(configure_gaps, &data);
} else {
configure_gaps(config->handler_context.workspace, &data);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer <px> - sets defaults for workspaces
// gaps inner|outer current|all set|plus|minus <px> - runtime only
struct cmd_results *cmd_gaps(int argc, char **argv) {
struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_AT_LEAST, 2);
if (error) {
return error;
}
if (argc == 2) {
return gaps_set_defaults(argc, argv);
}
if (argc == 4) {
if (config->active) {
return gaps_set_runtime(argc, argv);
} else {
return cmd_results_new(CMD_INVALID, "gaps",
"This syntax can only be used when sway is running");
}
}
return cmd_results_new(CMD_INVALID, "gaps",
"Expected 'gaps inner|outer <px>' or "
"'gaps inner|outer current|all set|plus|minus <px>'");
}