Move check_for_duplicate_bindings to bindings.[ch]

Additionally add a check for the same input_type (mouse or keyboard).
Bindings with different input types cannot be duplicates.

include/bindings.h

@@ -48,3 +48,12 @@ void translate_keysyms(void);
  *
  */
 void switch_mode(const char *new_mode);
+
+/**
+ * Checks for duplicate key bindings (the same keycode or keysym is configured
+ * more than once). If a duplicate binding is found, a message is printed to
+ * stderr and the has_errors variable is set to true, which will start
+ * i3-nagbar.
+ *
+ */
+void check_for_duplicate_bindings(struct context *context);

src/bindings.c

@@ -259,3 +259,56 @@ void switch_mode(const char *new_mode) {
 
     ELOG("ERROR: Mode not found\n");
 }
+
+/*
+ * Checks for duplicate key bindings (the same keycode or keysym is configured
+ * more than once). If a duplicate binding is found, a message is printed to
+ * stderr and the has_errors variable is set to true, which will start
+ * i3-nagbar.
+ *
+ */
+void check_for_duplicate_bindings(struct context *context) {
+    Binding *bind, *current;
+    TAILQ_FOREACH(current, bindings, bindings) {
+        TAILQ_FOREACH(bind, bindings, bindings) {
+            /* Abort when we reach the current keybinding, only check the
+             * bindings before */
+            if (bind == current)
+                break;
+
+            /* Check if the input types are different */
+            if (bind->input_type != current->input_type)
+                continue;
+
+            /* Check if one is using keysym while the other is using bindsym.
+             * If so, skip. */
+            /* XXX: It should be checked at a later place (when translating the
+             * keysym to keycodes) if there are any duplicates */
+            if ((bind->symbol == NULL && current->symbol != NULL) ||
+                (bind->symbol != NULL && current->symbol == NULL))
+                continue;
+
+            /* If bind is NULL, current has to be NULL, too (see above).
+             * If the keycodes differ, it can't be a duplicate. */
+            if (bind->symbol != NULL &&
+                strcasecmp(bind->symbol, current->symbol) != 0)
+                continue;
+
+            /* Check if the keycodes or modifiers are different. If so, they
+             * can't be duplicate */
+            if (bind->keycode != current->keycode ||
+                bind->mods != current->mods ||
+                bind->release != current->release)
+                continue;
+
+            context->has_errors = true;
+            if (current->keycode != 0) {
+                ELOG("Duplicate keybinding in config file:\n  modmask %d with keycode %d, command \"%s\"\n",
+                     current->mods, current->keycode, current->command);
+            } else {
+                ELOG("Duplicate keybinding in config file:\n  modmask %d with keysym %s, command \"%s\"\n",
+                     current->mods, current->symbol, current->command);
+            }
+        }
+    }
+}

src/config_parser.c

@@ -843,55 +843,6 @@ static char *migrate_config(char *input, off_t size) {
     return converted;
 }
 
-/*
- * Checks for duplicate key bindings (the same keycode or keysym is configured
- * more than once). If a duplicate binding is found, a message is printed to
- * stderr and the has_errors variable is set to true, which will start
- * i3-nagbar.
- *
- */
-static void check_for_duplicate_bindings(struct context *context) {
-    Binding *bind, *current;
-    TAILQ_FOREACH(current, bindings, bindings) {
-        TAILQ_FOREACH(bind, bindings, bindings) {
-            /* Abort when we reach the current keybinding, only check the
-             * bindings before */
-            if (bind == current)
-                break;
-
-            /* Check if one is using keysym while the other is using bindsym.
-             * If so, skip. */
-            /* XXX: It should be checked at a later place (when translating the
-             * keysym to keycodes) if there are any duplicates */
-            if ((bind->symbol == NULL && current->symbol != NULL) ||
-                (bind->symbol != NULL && current->symbol == NULL))
-                continue;
-
-            /* If bind is NULL, current has to be NULL, too (see above).
-             * If the keycodes differ, it can't be a duplicate. */
-            if (bind->symbol != NULL &&
-                strcasecmp(bind->symbol, current->symbol) != 0)
-                continue;
-
-            /* Check if the keycodes or modifiers are different. If so, they
-             * can't be duplicate */
-            if (bind->keycode != current->keycode ||
-                bind->mods != current->mods ||
-                bind->release != current->release)
-                continue;
-
-            context->has_errors = true;
-            if (current->keycode != 0) {
-                ELOG("Duplicate keybinding in config file:\n  modmask %d with keycode %d, command \"%s\"\n",
-                     current->mods, current->keycode, current->command);
-            } else {
-                ELOG("Duplicate keybinding in config file:\n  modmask %d with keysym %s, command \"%s\"\n",
-                     current->mods, current->symbol, current->command);
-            }
-        }
-    }
-}
-
 /*
  * Parses the given file by first replacing the variables, then calling
  * parse_config and possibly launching i3-nagbar.