A fast, lightweight and minimalistic Wayland terminal emulator
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100 lines
2.4 KiB

#pragma once
#include <stddef.h>
#include "debug.h"
#include "terminal.h"
struct grid *grid_snapshot(const struct grid *grid);
void grid_free(struct grid *grid);
void grid_swap_row(struct grid *grid, int row_a, int row_b);
struct row *grid_row_alloc(int cols, bool initialize);
void grid_row_free(struct row *row);
void grid_resize_without_reflow(
struct grid *grid, int new_rows, int new_cols,
int old_screen_rows, int new_screen_rows);
void grid_resize_and_reflow(
struct grid *grid, int new_rows, int new_cols,
int old_screen_rows, int new_screen_rows,
size_t tracking_points_count,
struct coord *const _tracking_points[static tracking_points_count],
size_t compose_count,
const struct composed composed[static compose_count]);
static inline int
grid_row_absolute(const struct grid *grid, int row_no)
{
return (grid->offset + row_no) & (grid->num_rows - 1);
}
static inline int
grid_row_absolute_in_view(const struct grid *grid, int row_no)
{
return (grid->view + row_no) & (grid->num_rows - 1);
}
static inline struct row *
_grid_row_maybe_alloc(struct grid *grid, int row_no, bool alloc_if_null)
{
xassert(grid->offset >= 0);
int real_row = grid_row_absolute(grid, row_no);
struct row *row = grid->rows[real_row];
if (row == NULL && alloc_if_null) {
row = grid_row_alloc(grid->num_cols, false);
grid->rows[real_row] = row;
}
xassert(row != NULL);
return row;
}
static inline struct row *
grid_row(struct grid *grid, int row_no)
{
return _grid_row_maybe_alloc(grid, row_no, false);
}
static inline struct row *
grid_row_and_alloc(struct grid *grid, int row_no)
{
return _grid_row_maybe_alloc(grid, row_no, true);
}
static inline struct row *
grid_row_in_view(struct grid *grid, int row_no)
{
xassert(grid->view >= 0);
int real_row = grid_row_absolute_in_view(grid, row_no);
struct row *row = grid->rows[real_row];
xassert(row != NULL);
return row;
}
void grid_row_add_uri_range(struct row *row, struct row_uri_range range);
static inline void
grid_row_uri_range_destroy(struct row_uri_range *range)
{
free(range->uri);
}
static inline void
grid_row_reset_extra(struct row *row)
{
if (likely(row->extra == NULL))
return;
tll_foreach(row->extra->uri_ranges, it) {
grid_row_uri_range_destroy(&it->item);
tll_remove(row->extra->uri_ranges, it);
}
free(row->extra);
row->extra = NULL;
}