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#pragma once
#include <errno.h>
#include <stdbool.h>
#include <stddef.h> // IWYU pragma: keep
#include <stdio.h>
#include "klib/kvec.h"
#include "nvim/api/private/defs.h"
#include "nvim/ex_cmds_defs.h" // IWYU pragma: keep
#include "nvim/grid_defs.h"
#include "nvim/macros_defs.h"
/// Types of dialogs passed to do_dialog().
enum {
VIM_GENERIC = 0,
VIM_ERROR = 1,
VIM_WARNING = 2,
VIM_INFO = 3,
VIM_QUESTION = 4,
VIM_LAST_TYPE = 4, ///< sentinel value
};
/// Return values for functions like vim_dialogyesno()
enum {
VIM_YES = 2,
VIM_NO = 3,
VIM_CANCEL = 4,
VIM_ALL = 5,
VIM_DISCARDALL = 6,
};
enum { MSG_HIST = 0x1000, }; ///< special attribute addition: Put message in history
typedef struct {
String text;
int attr;
} HlMessageChunk;
typedef kvec_t(HlMessageChunk) HlMessage;
/// Message history for `:messages`
typedef struct msg_hist {
struct msg_hist *next; ///< Next message.
char *msg; ///< Message text.
const char *kind; ///< Message kind (for msg_ext)
int attr; ///< Message highlighting.
bool multiline; ///< Multiline message.
HlMessage multiattr; ///< multiattr message.
} MessageHistoryEntry;
/// First message
extern MessageHistoryEntry *first_msg_hist;
/// Last message
extern MessageHistoryEntry *last_msg_hist;
EXTERN bool msg_ext_need_clear INIT( = false);
/// allocated grid for messages. Used when display+=msgsep is set, or
/// ext_multigrid is active. See also the description at msg_scroll_flush()
EXTERN ScreenGrid msg_grid INIT( = SCREEN_GRID_INIT);
EXTERN int msg_grid_pos INIT( = 0);
/// "adjusted" message grid. This grid accepts positions relative to
/// default_grid. Internally it will be translated to a position on msg_grid
/// relative to the start of the message area, or directly mapped to default_grid
/// for legacy (display-=msgsep) message scroll behavior.
/// TODO(bfredl): refactor "internal" message logic, msg_row etc
/// to use the correct positions already.
EXTERN ScreenGrid msg_grid_adj INIT( = SCREEN_GRID_INIT);
/// value of msg_scrolled at latest msg_scroll_flush.
EXTERN int msg_scrolled_at_flush INIT( = 0);
EXTERN int msg_grid_scroll_discount INIT( = 0);
EXTERN int msg_listdo_overwrite INIT( = 0);
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "message.h.generated.h"
#endif
// Prefer using semsg(), because perror() may send the output to the wrong
// destination and mess up the screen.
#define PERROR(msg) (void)semsg("%s: %s", (msg), strerror(errno))
#ifndef MSWIN
/// Headless (no UI) error message handler.
# define os_errmsg(str) fprintf(stderr, "%s", (str))
/// Headless (no UI) message handler.
# define os_msg(str) printf("%s", (str))
#endif
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