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9f85dace94
Problem: 'smoothscroll' gets stuck with 'listchars' "eol".
Solution: Count size of 'listchars' "eol" in line size when scrolling.
(zeertzjq)
related: neovim/neovim#32405
closes: vim/vim#16627
2c47ab8fcd
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "nvim/marktree_defs.h"
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#include "nvim/pos_defs.h"
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#include "nvim/types_defs.h"
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typedef bool CSType;
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enum {
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kCharsizeRegular,
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kCharsizeFast,
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};
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/// Argument for char size functions.
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typedef struct {
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win_T *win;
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char *line; ///< Start of the line.
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bool use_tabstop; ///< Use 'tabstop' instead of char2cells() for a TAB.
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int indent_width; ///< Width of 'showbreak' and 'breakindent' on wrapped
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///< parts of lines, INT_MIN if not yet calculated.
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int virt_row; ///< Row for virtual text, -1 if no virtual text.
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int cur_text_width_left; ///< Width of virtual text left of cursor.
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int cur_text_width_right; ///< Width of virtual text right of cursor.
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int max_head_vcol; ///< See charsize_regular().
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MarkTreeIter iter[1];
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} CharsizeArg;
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typedef struct {
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int width;
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int head; ///< Size of 'breakindent' etc. before the character (included in width).
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} CharSize;
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#ifdef INCLUDE_GENERATED_DECLARATIONS
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# include "plines.h.generated.h"
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# include "plines.h.inline.generated.h"
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#endif
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/// Get the number of cells taken up on the screen by the given character at vcol.
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/// "csarg->cur_text_width_left" and "csarg->cur_text_width_right" are set
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/// to the extra size for inline virtual text.
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///
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/// When "csarg->max_head_vcol" is positive, only count in "head" the size
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/// of 'showbreak'/'breakindent' before "csarg->max_head_vcol".
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/// When "csarg->max_head_vcol" is negative, only count in "head" the size
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/// of 'showbreak'/'breakindent' before where cursor should be placed.
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static inline CharSize win_charsize(CSType cstype, int vcol, char *ptr, int32_t chr,
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CharsizeArg *csarg)
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FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALWAYS_INLINE
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{
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if (cstype == kCharsizeFast) {
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return charsize_fast(csarg, ptr, vcol, chr);
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} else {
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return charsize_regular(csarg, ptr, vcol, chr);
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}
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}
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/// Return the number of cells the string "s" will take on the screen,
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/// taking into account the size of a tab.
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///
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/// @param s
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///
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/// @return Number of cells the string will take on the screen.
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static inline int linetabsize_str(char *s)
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FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALWAYS_INLINE
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{
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return linetabsize_col(0, s);
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}
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/// Like linetabsize_str(), but for a given window instead of the current one.
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/// Doesn't count the size of 'listchars' "eol".
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///
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/// @param wp
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/// @param line
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/// @param len
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///
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/// @return Number of cells the string will take on the screen.
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static inline int win_linetabsize(win_T *wp, linenr_T lnum, char *line, colnr_T len)
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FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALWAYS_INLINE
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{
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CharsizeArg csarg;
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CSType const cstype = init_charsize_arg(&csarg, wp, lnum, line);
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if (cstype == kCharsizeFast) {
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return linesize_fast(&csarg, 0, len);
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} else {
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return linesize_regular(&csarg, 0, len);
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}
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}
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