diff options
Diffstat (limited to 'src/nvim/buffer_defs.h')
| -rw-r--r-- | src/nvim/buffer_defs.h | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h index 0a24280b4a..8bb76c0746 100644 --- a/src/nvim/buffer_defs.h +++ b/src/nvim/buffer_defs.h @@ -16,6 +16,53 @@ // for dict_T #include "nvim/eval_defs.h" +/* + * Flags for w_valid. + * These are set when something in a window structure becomes invalid, except + * when the cursor is moved. Call check_cursor_moved() before testing one of + * the flags. + * These are reset when that thing has been updated and is valid again. + * + * Every function that invalidates one of these must call one of the + * invalidate_* functions. + * + * w_valid is supposed to be used only in screen.c. From other files, use the + * functions that set or reset the flags. + * + * VALID_BOTLINE VALID_BOTLINE_AP + * on on w_botline valid + * off on w_botline approximated + * off off w_botline not valid + * on off not possible + */ +#define VALID_WROW 0x01 /* w_wrow (window row) is valid */ +#define VALID_WCOL 0x02 /* w_wcol (window col) is valid */ +#define VALID_VIRTCOL 0x04 /* w_virtcol (file col) is valid */ +#define VALID_CHEIGHT 0x08 /* w_cline_height and w_cline_folded valid */ +#define VALID_CROW 0x10 /* w_cline_row is valid */ +#define VALID_BOTLINE 0x20 /* w_botine and w_empty_rows are valid */ +#define VALID_BOTLINE_AP 0x40 /* w_botine is approximated */ +#define VALID_TOPLINE 0x80 /* w_topline is valid (for cursor position) */ + +/* flags for b_flags */ +#define BF_RECOVERED 0x01 /* buffer has been recovered */ +#define BF_CHECK_RO 0x02 /* need to check readonly when loading file + into buffer (set by ":e", may be reset by + ":buf" */ +#define BF_NEVERLOADED 0x04 /* file has never been loaded into buffer, + many variables still need to be set */ +#define BF_NOTEDITED 0x08 /* Set when file name is changed after + starting to edit, reset when file is + written out. */ +#define BF_NEW 0x10 /* file didn't exist when editing started */ +#define BF_NEW_W 0x20 /* Warned for BF_NEW and file created */ +#define BF_READERR 0x40 /* got errors while reading the file */ +#define BF_DUMMY 0x80 /* dummy buffer, only used internally */ +#define BF_PRESERVED 0x100 /* ":preserve" was used */ + +/* Mask to check for flags that prevent normal writing */ +#define BF_WRITE_MASK (BF_NOTEDITED + BF_NEW + BF_READERR) + typedef struct window_S win_T; typedef struct wininfo_S wininfo_T; typedef struct frame_S frame_T; @@ -916,7 +963,7 @@ struct window_S { * Recomputing is minimized by storing the result of computations. * Use functions in screen.c to check if they are valid and to update. * w_valid is a bitfield of flags, which indicate if specific values are - * valid or need to be recomputed. See screen.c for values. + * valid or need to be recomputed. */ int w_valid; pos_T w_valid_cursor; /* last known position of w_cursor, used |