1 files changed, 112 insertions, 0 deletions
diff --git a/ui/input-barrier.h b/ui/input-barrier.h
new file mode 100644
index 0000000000..e5b090590a
--- /dev/null
+++ b/ui/input-barrier.h
@@ -0,0 +1,112 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef UI_INPUT_BARRIER_H
+#define UI_INPUT_BARRIER_H
+
+/* Barrier protocol */
+#define BARRIER_VERSION_MAJOR 1
+#define BARRIER_VERSION_MINOR 6
+
+enum barrierCmd {
+    barrierCmdCNoop,
+    barrierCmdCClose,
+    barrierCmdCEnter,
+    barrierCmdCLeave,
+    barrierCmdCClipboard,
+    barrierCmdCScreenSaver,
+    barrierCmdCResetOptions,
+    barrierCmdCInfoAck,
+    barrierCmdCKeepAlive,
+    barrierCmdDKeyDown,
+    barrierCmdDKeyRepeat,
+    barrierCmdDKeyUp,
+    barrierCmdDMouseDown,
+    barrierCmdDMouseUp,
+    barrierCmdDMouseMove,
+    barrierCmdDMouseRelMove,
+    barrierCmdDMouseWheel,
+    barrierCmdDClipboard,
+    barrierCmdDInfo,
+    barrierCmdDSetOptions,
+    barrierCmdDFileTransfer,
+    barrierCmdDDragInfo,
+    barrierCmdQInfo,
+    barrierCmdEIncompatible,
+    barrierCmdEBusy,
+    barrierCmdEUnknown,
+    barrierCmdEBad,
+    /* connection sequence */
+    barrierCmdHello,
+    barrierCmdHelloBack,
+};
+
+enum {
+   barrierButtonNone,
+   barrierButtonLeft,
+   barrierButtonMiddle,
+   barrierButtonRight,
+   barrierButtonExtra0
+};
+
+struct barrierVersion {
+    int16_t major;
+    int16_t minor;
+};
+
+struct barrierMouseButton {
+    int8_t buttonid;
+};
+
+struct barrierEnter {
+    int16_t x;
+    int16_t y;
+    int32_t seqn;
+    int16_t modifier;
+};
+
+struct barrierMousePos {
+    int16_t x;
+    int16_t y;
+};
+
+struct barrierKey {
+    int16_t keyid;
+    int16_t modifier;
+    int16_t button;
+};
+
+struct barrierRepeat {
+    int16_t keyid;
+    int16_t modifier;
+    int16_t repeat;
+    int16_t button;
+};
+
+#define BARRIER_MAX_OPTIONS 32
+struct barrierSet {
+    int nb;
+    struct {
+        int id;
+        char nul;
+        int value;
+    } option[BARRIER_MAX_OPTIONS];
+};
+
+struct barrierMsg {
+    enum barrierCmd cmd;
+    union {
+        struct barrierVersion version;
+        struct barrierMouseButton mousebutton;
+        struct barrierMousePos mousepos;
+        struct barrierEnter enter;
+        struct barrierKey key;
+        struct barrierRepeat repeat;
+        struct barrierSet set;
+    };
+};
+#endif