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-rw-r--r--common/util.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/common/util.c b/common/util.c
index 78d46a2a..f4588b57 100644
--- a/common/util.c
+++ b/common/util.c
@@ -1,4 +1,5 @@
#define _XOPEN_SOURCE 700
+#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -138,3 +139,18 @@ bool parse_boolean(const char *boolean, bool current) {
// All other values are false to match i3
return false;
}
+
+enum wlr_direction opposite_direction(enum wlr_direction d) {
+ switch (d) {
+ case WLR_DIRECTION_UP:
+ return WLR_DIRECTION_DOWN;
+ case WLR_DIRECTION_DOWN:
+ return WLR_DIRECTION_UP;
+ case WLR_DIRECTION_RIGHT:
+ return WLR_DIRECTION_LEFT;
+ case WLR_DIRECTION_LEFT:
+ return WLR_DIRECTION_RIGHT;
+ }
+ assert(false);
+ return 0;
+}