Merge pull request #3344 from RedSoxFan/bar-mouse-bindings-improved

Improve mouse button parsing: bar mouse bindings

1 files changed, 106 insertions, 0 deletions

diff --git a/sway/commands/bar/bind.c b/sway/commands/bar/bind.c
new file mode 100644
index 00000000..a4c65ec4
--- /dev/null
+++ b/sway/commands/bar/bind.c
@@ -0,0 +1,106 @@
+#include <libevdev/libevdev.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/input/cursor.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+
+static struct cmd_results *bar_cmd_bind(int argc, char **argv, bool code) {
+	const char *command = code ? "bar bindcode" : "bar bindsym";
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, command, EXPECTED_AT_LEAST, 2))) {
+		return error;
+	}
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, command, "No bar defined.");
+	}
+
+	struct bar_binding *binding = calloc(1, sizeof(struct bar_binding));
+	if (!binding) {
+		return cmd_results_new(CMD_FAILURE, command,
+				"Unable to allocate bar binding");
+	}
+
+	binding->release = false;
+	if (strcmp("--release", argv[0]) == 0) {
+		binding->release = true;
+		argv++;
+		argc--;
+	}
+
+	char *message = NULL;
+	if (code) {
+		binding->button = get_mouse_bindcode(argv[0], &message);
+	} else {
+		binding->button = get_mouse_bindsym(argv[0], &message);
+	}
+	if (message) {
+		free_bar_binding(binding);
+		error = cmd_results_new(CMD_INVALID, command, message);
+		free(message);
+		return error;
+	} else if (!binding->button) {
+		free_bar_binding(binding);
+		return cmd_results_new(CMD_INVALID, command,
+				"Unknown button %s", argv[0]);
+	}
+
+	const char *name = libevdev_event_code_get_name(EV_KEY, binding->button);
+	if (!name) {
+		switch (binding->button) {
+		case SWAY_SCROLL_UP:
+			name = "SWAY_SCROLL_UP";
+			break;
+		case SWAY_SCROLL_DOWN:
+			name = "SWAY_SCROLL_DOWN";
+			break;
+		case SWAY_SCROLL_LEFT:
+			name = "SWAY_SCROLL_LEFT";
+			break;
+		case SWAY_SCROLL_RIGHT:
+			name = "SWAY_SCROLL_RIGHT";
+			break;
+		default:
+			// Unreachable
+			break;
+		}
+	}
+
+	binding->command = join_args(argv + 1, argc - 1);
+
+	list_t *bindings = config->current_bar->bindings;
+	bool overwritten = false;
+	for (int i = 0; i < bindings->length; i++) {
+		struct bar_binding *other = bindings->items[i];
+		if (other->button == binding->button &&
+				other->release == binding->release) {
+			overwritten = true;
+			bindings->items[i] = binding;
+			free_bar_binding(other);
+			wlr_log(WLR_DEBUG, "[bar %s] Updated binding for %u (%s)%s",
+					config->current_bar->id, binding->button, name,
+					binding->release ? " - release" : "");
+			break;
+		}
+	}
+	if (!overwritten) {
+		list_add(bindings, binding);
+		wlr_log(WLR_DEBUG, "[bar %s] Added binding for %u (%s)%s",
+				config->current_bar->id, binding->button, name,
+				binding->release ? " - release" : "");
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *bar_cmd_bindcode(int argc, char **argv) {
+	return bar_cmd_bind(argc, argv, true);
+}
+
+struct cmd_results *bar_cmd_bindsym(int argc, char **argv) {
+	return bar_cmd_bind(argc, argv, false);
+}