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#define _POSIX_C_SOURCE 200809L
#include "sway/config.h"
#include "gesture.h"
#include "log.h"
#include "stringop.h"
#include "sway/commands.h"
void free_gesture_binding(struct sway_gesture_binding *binding) {
if (!binding) {
return;
}
free(binding->input);
free(binding->command);
free(binding);
}
/**
* Returns true if the bindings have the same gesture type, direction, etc
*/
static bool binding_gesture_equal(struct sway_gesture_binding *binding_a,
struct sway_gesture_binding *binding_b) {
if (strcmp(binding_a->input, binding_b->input) != 0) {
return false;
}
if (!gesture_equal(&binding_a->gesture, &binding_b->gesture)) {
return false;
}
if ((binding_a->flags & BINDING_EXACT) !=
(binding_b->flags & BINDING_EXACT)) {
return false;
}
return true;
}
/**
* Add gesture binding to config
*/
static struct cmd_results *gesture_binding_add(
struct sway_gesture_binding *binding,
const char *gesturecombo, bool warn) {
list_t *mode_bindings = config->current_mode->gesture_bindings;
// overwrite the binding if it already exists
bool overwritten = false;
for (int i = 0; i < mode_bindings->length; ++i) {
struct sway_gesture_binding *config_binding = mode_bindings->items[i];
if (binding_gesture_equal(binding, config_binding)) {
sway_log(SWAY_INFO, "Overwriting binding '%s' to `%s` from `%s`",
gesturecombo, binding->command, config_binding->command);
if (warn) {
config_add_swaynag_warning("Overwriting binding"
"'%s' to `%s` from `%s`",
gesturecombo, binding->command,
config_binding->command);
}
free_gesture_binding(config_binding);
mode_bindings->items[i] = binding;
overwritten = true;
}
}
if (!overwritten) {
list_add(mode_bindings, binding);
sway_log(SWAY_DEBUG, "bindgesture - Bound %s to command `%s`",
gesturecombo, binding->command);
}
return cmd_results_new(CMD_SUCCESS, NULL);
}
/**
* Remove gesture binding from config
*/
static struct cmd_results *gesture_binding_remove(
struct sway_gesture_binding *binding, const char *gesturecombo) {
list_t *mode_bindings = config->current_mode->gesture_bindings;
for (int i = 0; i < mode_bindings->length; ++i) {
struct sway_gesture_binding *config_binding = mode_bindings->items[i];
if (binding_gesture_equal(binding, config_binding)) {
free_gesture_binding(config_binding);
free_gesture_binding(binding);
list_del(mode_bindings, i);
sway_log(SWAY_DEBUG, "unbindgesture - Unbound %s gesture",
gesturecombo);
return cmd_results_new(CMD_SUCCESS, NULL);
}
}
free_gesture_binding(binding);
return cmd_results_new(CMD_FAILURE, "Could not find gesture binding `%s`",
gesturecombo);
}
/**
* Parse and execute bindgesture or unbindgesture command.
*/
static struct cmd_results *cmd_bind_or_unbind_gesture(int argc, char **argv, bool unbind) {
int minargs = 2;
char *bindtype = "bindgesture";
if (unbind) {
minargs--;
bindtype = "unbindgesture";
}
struct cmd_results *error = NULL;
if ((error = checkarg(argc, bindtype, EXPECTED_AT_LEAST, minargs))) {
return error;
}
struct sway_gesture_binding *binding = calloc(1, sizeof(struct sway_gesture_binding));
if (!binding) {
return cmd_results_new(CMD_FAILURE, "Unable to allocate binding");
}
binding->input = strdup("*");
bool warn = true;
// Handle flags
while (argc > 0) {
if (strcmp("--exact", argv[0]) == 0) {
binding->flags |= BINDING_EXACT;
} else if (strcmp("--no-warn", argv[0]) == 0) {
warn = false;
} else if (strncmp("--input-device=", argv[0],
strlen("--input-device=")) == 0) {
free(binding->input);
binding->input = strdup(argv[0] + strlen("--input-device="));
} else {
break;
}
argv++;
argc--;
}
if (argc < minargs) {
free(binding);
return cmd_results_new(CMD_FAILURE,
"Invalid %s command (expected at least %d "
"non-option arguments, got %d)", bindtype, minargs, argc);
}
char* errmsg = NULL;
if ((errmsg = gesture_parse(argv[0], &binding->gesture))) {
free(binding);
struct cmd_results *final = cmd_results_new(CMD_FAILURE,
"Invalid %s command (%s)",
bindtype, errmsg);
free(errmsg);
return final;
}
if (unbind) {
return gesture_binding_remove(binding, argv[0]);
}
binding->command = join_args(argv + 1, argc - 1);
return gesture_binding_add(binding, argv[0], warn);
}
struct cmd_results *cmd_bindgesture(int argc, char **argv) {
return cmd_bind_or_unbind_gesture(argc, argv, false);
}
struct cmd_results *cmd_unbindgesture(int argc, char **argv) {
return cmd_bind_or_unbind_gesture(argc, argv, true);
}
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