Introduce nvim namespace: Move files.

Move files from src/ to src/nvim/.
- src/nvim/ becomes the new root dir for nvim executable sources.
- src/libnvim/ is planned to become root dir of the neovim library.

src/nvim/cursor_shape.h

@@ -0,0 +1,52 @@
+#ifndef NEOVIM_CURSOR_SHAPE_H
+#define NEOVIM_CURSOR_SHAPE_H
+
+/*
+ * struct to store values from 'guicursor' and 'mouseshape'
+ */
+/* Indexes in shape_table[] */
+#define SHAPE_IDX_N     0       /* Normal mode */
+#define SHAPE_IDX_V     1       /* Visual mode */
+#define SHAPE_IDX_I     2       /* Insert mode */
+#define SHAPE_IDX_R     3       /* Replace mode */
+#define SHAPE_IDX_C     4       /* Command line Normal mode */
+#define SHAPE_IDX_CI    5       /* Command line Insert mode */
+#define SHAPE_IDX_CR    6       /* Command line Replace mode */
+#define SHAPE_IDX_O     7       /* Operator-pending mode */
+#define SHAPE_IDX_VE    8       /* Visual mode with 'selection' exclusive */
+#define SHAPE_IDX_CLINE 9       /* On command line */
+#define SHAPE_IDX_STATUS 10     /* A status line */
+#define SHAPE_IDX_SDRAG 11      /* dragging a status line */
+#define SHAPE_IDX_VSEP  12      /* A vertical separator line */
+#define SHAPE_IDX_VDRAG 13      /* dragging a vertical separator line */
+#define SHAPE_IDX_MORE  14      /* Hit-return or More */
+#define SHAPE_IDX_MOREL 15      /* Hit-return or More in last line */
+#define SHAPE_IDX_SM    16      /* showing matching paren */
+#define SHAPE_IDX_COUNT 17
+
+#define SHAPE_BLOCK     0       /* block cursor */
+#define SHAPE_HOR       1       /* horizontal bar cursor */
+#define SHAPE_VER       2       /* vertical bar cursor */
+
+#define MSHAPE_NUMBERED 1000    /* offset for shapes identified by number */
+#define MSHAPE_HIDE     1       /* hide mouse pointer */
+
+#define SHAPE_MOUSE     1       /* used for mouse pointer shape */
+#define SHAPE_CURSOR    2       /* used for text cursor shape */
+
+typedef struct cursor_entry {
+  int shape;                    /* one of the SHAPE_ defines */
+  int mshape;                   /* one of the MSHAPE defines */
+  int percentage;               /* percentage of cell for bar */
+  long blinkwait;               /* blinking, wait time before blinking starts */
+  long blinkon;                 /* blinking, on time */
+  long blinkoff;                /* blinking, off time */
+  int id;                       /* highlight group ID */
+  int id_lm;                    /* highlight group ID for :lmap mode */
+  char        *name;            /* mode name (fixed) */
+  char used_for;                /* SHAPE_MOUSE and/or SHAPE_CURSOR */
+} cursorentry_T;
+
+char_u *parse_shape_opt(int what);
+
+#endif /* NEOVIM_CURSOR_SHAPE_H */