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#ifndef NVIM_SCREEN_H
#define NVIM_SCREEN_H
#include <stdbool.h>
#include "nvim/buffer_defs.h"
#include "nvim/grid_defs.h"
#include "nvim/pos.h"
#include "nvim/types.h"
// flags for update_screen()
// The higher the value, the higher the priority
#define VALID 10 // buffer not changed, or changes marked
// with b_mod_*
#define INVERTED 20 // redisplay inverted part that changed
#define INVERTED_ALL 25 // redisplay whole inverted part
#define REDRAW_TOP 30 // display first w_upd_rows screen lines
#define SOME_VALID 35 // like NOT_VALID but may scroll
#define NOT_VALID 40 // buffer needs complete redraw
#define CLEAR 50 // screen messed up, clear it
/// corner value flags for hsep_connected and vsep_connected
typedef enum {
WC_TOP_LEFT = 0,
WC_TOP_RIGHT,
WC_BOTTOM_LEFT,
WC_BOTTOM_RIGHT
} WindowCorner;
/// By default, all windows are drawn on a single rectangular grid, represented by
/// this ScreenGrid instance. In multigrid mode each window will have its own
/// grid, then this is only used for global screen elements that hasn't been
/// externalized.
///
/// Note: before the screen is initialized and when out of memory these can be
/// NULL.
EXTERN ScreenGrid default_grid INIT(= SCREEN_GRID_INIT);
#define DEFAULT_GRID_HANDLE 1 // handle for the default_grid
// Maximum columns for terminal highlight attributes
#define TERM_ATTRS_MAX 1024
/// Status line click definition
typedef struct {
enum {
kStlClickDisabled = 0, ///< Clicks to this area are ignored.
kStlClickTabSwitch, ///< Switch to the given tab.
kStlClickTabClose, ///< Close given tab.
kStlClickFuncRun, ///< Run user function.
} type; ///< Type of the click.
int tabnr; ///< Tab page number.
char *func; ///< Function to run.
} StlClickDefinition;
/// Used for tabline clicks
typedef struct {
StlClickDefinition def; ///< Click definition.
const char *start; ///< Location where region starts.
} StlClickRecord;
/// Array defining what should be done when tabline is clicked
extern StlClickDefinition *tab_page_click_defs;
/// Size of the tab_page_click_defs array
extern long tab_page_click_defs_size;
#define W_ENDCOL(wp) ((wp)->w_wincol + (wp)->w_width)
#define W_ENDROW(wp) ((wp)->w_winrow + (wp)->w_height)
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "screen.h.generated.h"
#endif
#endif // NVIM_SCREEN_H
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