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111 lines
3 KiB
C
111 lines
3 KiB
C
#pragma once
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#include <stddef.h>
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#include "debug.h"
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#include "terminal.h"
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struct grid *grid_snapshot(const struct grid *grid);
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void grid_free(struct grid *grid);
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void grid_swap_row(struct grid *grid, int row_a, int row_b);
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struct row *grid_row_alloc(int cols, bool initialize);
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void grid_row_free(struct row *row);
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void grid_resize_without_reflow(
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struct grid *grid, int new_rows, int new_cols,
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int old_screen_rows, int new_screen_rows);
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void grid_resize_and_reflow(
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struct grid *grid, int new_rows, int new_cols,
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int old_screen_rows, int new_screen_rows,
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size_t tracking_points_count,
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struct coord *const _tracking_points[static tracking_points_count]);
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/* Convert row numbers between scrollback-relative and absolute coordinates */
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int grid_row_abs_to_sb(const struct grid *grid, int screen_rows, int abs_row);
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int grid_row_sb_to_abs(const struct grid *grid, int screen_rows, int sb_rel_row);
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int grid_sb_start_ignore_uninitialized(const struct grid *grid, int screen_rows);
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int grid_row_abs_to_sb_precalc_sb_start(
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const struct grid *grid, int sb_start, int abs_row);
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int grid_row_sb_to_abs_precalc_sb_start(
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const struct grid *grid, int sb_start, int sb_rel_row);
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static inline int
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grid_row_absolute(const struct grid *grid, int row_no)
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{
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return (grid->offset + row_no) & (grid->num_rows - 1);
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}
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static inline int
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grid_row_absolute_in_view(const struct grid *grid, int row_no)
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{
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return (grid->view + row_no) & (grid->num_rows - 1);
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}
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static inline struct row *
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_grid_row_maybe_alloc(struct grid *grid, int row_no, bool alloc_if_null)
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{
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xassert(grid->offset >= 0);
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int real_row = grid_row_absolute(grid, row_no);
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struct row *row = grid->rows[real_row];
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if (row == NULL && alloc_if_null) {
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row = grid_row_alloc(grid->num_cols, false);
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grid->rows[real_row] = row;
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}
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xassert(row != NULL);
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return row;
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}
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static inline struct row *
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grid_row(struct grid *grid, int row_no)
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{
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return _grid_row_maybe_alloc(grid, row_no, false);
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}
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static inline struct row *
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grid_row_and_alloc(struct grid *grid, int row_no)
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{
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return _grid_row_maybe_alloc(grid, row_no, true);
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}
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static inline struct row *
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grid_row_in_view(struct grid *grid, int row_no)
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{
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xassert(grid->view >= 0);
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int real_row = grid_row_absolute_in_view(grid, row_no);
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struct row *row = grid->rows[real_row];
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xassert(row != NULL);
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return row;
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}
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void grid_row_uri_range_put(
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struct row *row, int col, const char *uri, uint64_t id);
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void grid_row_uri_range_erase(struct row *row, int start, int end);
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static inline void
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grid_row_uri_range_destroy(struct row_uri_range *range)
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{
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free(range->uri);
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}
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static inline void
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grid_row_reset_extra(struct row *row)
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{
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struct row_data *extra = row->extra;
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if (likely(extra == NULL))
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return;
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for (size_t i = 0; i < extra->uri_ranges.count; i++)
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grid_row_uri_range_destroy(&extra->uri_ranges.v[i]);
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free(extra->uri_ranges.v);
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free(extra);
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row->extra = NULL;
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}
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