1 files changed, 55 insertions, 0 deletions
diff --git a/src/nvim/term.h b/src/nvim/term.h
index a96a2fd6a6..52c3efcac5 100644
--- a/src/nvim/term.h
+++ b/src/nvim/term.h
@@ -1,6 +1,61 @@
 #ifndef NVIM_TERM_H
 #define NVIM_TERM_H
 
+/* Size of the buffer used for tgetent().  Unfortunately this is largely
+ * undocumented, some systems use 1024.  Using a buffer that is too small
+ * causes a buffer overrun and a crash.  Use the maximum known value to stay
+ * on the safe side. */
+#define TBUFSZ 2048             /* buffer size for termcap entry */
+
+/* Codes for mouse button events in lower three bits: */
+#define MOUSE_LEFT     0x00
+#define MOUSE_MIDDLE   0x01
+#define MOUSE_RIGHT    0x02
+#define MOUSE_RELEASE  0x03
+
+/* bit masks for modifiers: */
+#define MOUSE_SHIFT    0x04
+#define MOUSE_ALT      0x08
+#define MOUSE_CTRL     0x10
+
+/* mouse buttons that are handled like a key press (GUI only) */
+/* Note that the scroll wheel keys are inverted: MOUSE_5 scrolls lines up but
+ * the result of this is that the window moves down, similarly MOUSE_6 scrolls
+ * columns left but the window moves right. */
+#define MOUSE_4        0x100   /* scroll wheel down */
+#define MOUSE_5        0x200   /* scroll wheel up */
+
+#define MOUSE_X1       0x300 /* Mouse-button X1 (6th) */
+#define MOUSE_X2       0x400 /* Mouse-button X2 */
+
+#define MOUSE_6        0x500   /* scroll wheel left */
+#define MOUSE_7        0x600   /* scroll wheel right */
+
+/* 0x20 is reserved by xterm */
+#define MOUSE_DRAG_XTERM   0x40
+
+#define MOUSE_DRAG     (0x40 | MOUSE_RELEASE)
+
+/* Lowest button code for using the mouse wheel (xterm only) */
+#define MOUSEWHEEL_LOW         0x60
+
+#define MOUSE_CLICK_MASK       0x03
+
+#define NUM_MOUSE_CLICKS(code) \
+  (((unsigned)((code) & 0xC0) >> 6) + 1)
+
+#define SET_NUM_MOUSE_CLICKS(code, num) \
+  (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
+
+/* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
+ * window by simulating a click on its status line.  We could use up to 128 *
+ * 128 = 16384 columns, now it's reduced to 10000. */
+#define MOUSE_COLOFF 10000
+
+#if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
+# define CHECK_DOUBLE_CLICK 1  /* Checking for double clicks ourselves. */
+#endif
+
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "term.h.generated.h"
 #endif