Add keybind.c

src/config/keybind.c

@@ -0,0 +1,71 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+#include "rcxml.h"
+
+static uint32_t parse_modifier(const char *symname)
+{
+	if (!strcmp(symname, "S"))
+		return WLR_MODIFIER_SHIFT;
+	else if (!strcmp(symname, "C"))
+		return WLR_MODIFIER_CTRL;
+	else if (!strcmp(symname, "A"))
+		return WLR_MODIFIER_ALT;
+	else if (!strcmp(symname, "W"))
+		return WLR_MODIFIER_LOGO;
+	else
+		return 0;
+}
+
+void keybind_add(struct wl_list *keybinds, const char *keybind,
+		 const char *action)
+{
+	struct keybind *k = calloc(1, sizeof(struct keybind));
+	xkb_keysym_t keysyms[32];
+	gchar **symnames = g_strsplit(keybind, "-", -1);
+	for (int i = 0; symnames[i]; i++) {
+		char *symname = symnames[i];
+		uint32_t modifier = parse_modifier(symname);
+		if (modifier != 0) {
+			k->modifiers |= modifier;
+		} else {
+			xkb_keysym_t sym = xkb_keysym_from_name(
+				symname, XKB_KEYSYM_NO_FLAGS);
+			if (sym == XKB_KEY_NoSymbol) {
+				fprintf(stderr, "unknown keybind (%s)\n",
+					symname);
+				free(k);
+				k = NULL;
+				break;
+			}
+			keysyms[k->keysyms_len] = sym;
+			k->keysyms_len++;
+		}
+	}
+	g_strfreev(symnames);
+	if (!k)
+		return;
+	wl_list_insert(keybinds, &k->link);
+	k->action = strdup(action);
+	k->keysyms = malloc(k->keysyms_len * sizeof(xkb_keysym_t));
+	memcpy(k->keysyms, keysyms, k->keysyms_len * sizeof(xkb_keysym_t));
+}
+
+void keybind_init()
+{
+	keybind_add(&rc.keybinds, "A-Escape", "exit");
+	keybind_add(&rc.keybinds, "A-F2", "cycle");
+}
+
+void keybind_print()
+{
+	struct keybind *keybind;
+	wl_list_for_each_reverse (keybind, &rc.keybinds, link) {
+		printf("KEY=%s\n", keybind->action);
+		for (size_t i = 0; i < keybind->keysyms_len; i++)
+			printf("    %d\n", keybind->keysyms[i]);
+	}
+}