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tweaks: rename some variables, to show they refer to screen rows

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This commit is contained in:
Benno Schulenberg 2017-01-12 18:00:54 +01:00
parent f7d320d932
commit 892762d99c
2 changed files with 55 additions and 55 deletions
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36
src/browser.c
View File

@ -35,7 +35,7 @@ static char **filelist = NULL;
static size_t filelist_len = 0;
/* The number of files in the list. */
static int width = 0;
/* The number of files that we can display per line. */
/* The number of files that we can display per screen row. */
static int longest = 0;
/* The number of columns in the longest filename in the list. */
static size_t selected = 0;
@ -385,7 +385,7 @@ char *do_browse_from(const char *inpath)
* set filelist_len to the number of files in that list, set longest to
* the width in columns of the longest filename in that list (between 15
* and COLS), and set width to the number of files that we can display
* per line. And sort the list too. */
* per screen row. And sort the list too. */
void read_the_list(const char *path, DIR *dir)
{
const struct dirent *nextdir;
@ -482,15 +482,15 @@ functionptrtype parse_browser_input(int *kbinput)
return func_from_key(kbinput);
}
/* Set width to the number of files that we can display per line, if
* necessary, and display the list of files. */
/* Set width to the number of files that we can display per screen row,
* if necessary, and display the list of files. */
void browser_refresh(void)
{
size_t i;
int line = 0, col = 0;
/* The current line and column while the list is getting displayed. */
int the_line = 0, the_column = 0;
/* The line and column of the selected item. */
int row = 0, col = 0;
/* The current row and column while the list is getting displayed. */
int the_row = 0, the_column = 0;
/* The row and column of the selected item. */
char *info;
/* The additional information that we'll display about a file. */
@ -501,7 +501,7 @@ void browser_refresh(void)
i = selected - selected % (editwinrows * width);
for (; i < filelist_len && line < editwinrows; i++) {
for (; i < filelist_len && row < editwinrows; i++) {
struct stat st;
const char *thename = tail(filelist[i]);
/* The filename we display, minus the path. */
@ -524,16 +524,16 @@ void browser_refresh(void)
* remember its location to be able to place the cursor on it. */
if (i == selected) {
wattron(edit, hilite_attribute);
the_line = line;
the_row = row;
the_column = col;
}
blank_row(edit, line, col, longest);
blank_row(edit, row, col, longest);
/* If the name is too long, we display something like "...ename". */
if (dots)
mvwaddstr(edit, line, col, "...");
mvwaddstr(edit, line, dots ? col + 3 : col, disp);
mvwaddstr(edit, row, col, "...");
mvwaddstr(edit, row, dots ? col + 3 : col, disp);
free(disp);
@ -591,7 +591,7 @@ void browser_refresh(void)
infolen = infomaxlen;
}
mvwaddstr(edit, line, col - infolen, info);
mvwaddstr(edit, row, col - infolen, info);
/* If this is the selected item, finish its highlighting. */
if (i == selected)
@ -602,17 +602,17 @@ void browser_refresh(void)
/* Add some space between the columns. */
col += 2;
/* If the next entry isn't going to fit on the current line,
* move to the next line. */
/* If the next entry isn't going to fit on the current row,
* move to the next row. */
if (col > COLS - longest) {
line++;
row++;
col = 0;
}
}
/* If requested, put the cursor on the selected item and switch it on. */
if (ISSET(SHOW_CURSOR)) {
wmove(edit, the_line, the_column);
wmove(edit, the_row, the_column);
curs_set(1);
}

74
src/winio.c
View File

@ -2287,7 +2287,7 @@ void reset_cursor(void)
}
/* edit_draw() takes care of the job of actually painting a line into
* the edit window. fileptr is the line to be painted, at row line of
* the edit window. fileptr is the line to be painted, at row row of
* the window. converted is the actual string to be written to the
* window, with tabs and control characters replaced by strings of
* regular characters. from_col is the column number of the first
@ -2295,7 +2295,7 @@ void reset_cursor(void)
* corresponds to character number actual_x(fileptr->data, from_col) of the
* line. */
void edit_draw(filestruct *fileptr, const char *converted,
int line, size_t from_col)
int row, size_t from_col)
{
#if !defined(NANO_TINY) || !defined(DISABLE_COLOR)
size_t from_x = actual_x(fileptr->data, from_col);
@ -2317,24 +2317,24 @@ void edit_draw(filestruct *fileptr, const char *converted,
wattron(edit, interface_color_pair[LINE_NUMBER]);
#ifndef NANO_TINY
if (ISSET(SOFTWRAP) && from_x != 0)
mvwprintw(edit, line, 0, "%*s", margin - 1, " ");
mvwprintw(edit, row, 0, "%*s", margin - 1, " ");
else
#endif
mvwprintw(edit, line, 0, "%*ld", margin - 1, (long)fileptr->lineno);
mvwprintw(edit, row, 0, "%*ld", margin - 1, (long)fileptr->lineno);
wattroff(edit, interface_color_pair[LINE_NUMBER]);
}
#endif
/* First simply write the line -- afterward we'll add colors and the
* marking highlight on just the pieces that need it. */
mvwaddstr(edit, line, margin, converted);
/* First simply write the converted line -- afterward we'll add colors
* and the marking highlight on just the pieces that need it. */
mvwaddstr(edit, row, margin, converted);
#ifdef USING_OLD_NCURSES
/* Tell ncurses to really redraw the line without trying to optimize
* for what it thinks is already there, because it gets it wrong in
* the case of a wide character in column zero. See bug #31743. */
if (seen_wide)
wredrawln(edit, line, 1);
wredrawln(edit, row, 1);
#endif
#ifndef DISABLE_COLOR
@ -2407,7 +2407,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
paintlen = actual_x(thetext, strnlenpt(fileptr->data,
startmatch.rm_eo) - from_col - start_col);
mvwaddnstr(edit, line, margin + start_col,
mvwaddnstr(edit, row, margin + start_col,
thetext, paintlen);
}
goto tail_of_loop;
@ -2423,7 +2423,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
if (fileptr->multidata[varnish->id] == CNONE)
goto tail_of_loop;
else if (fileptr->multidata[varnish->id] == CWHOLELINE) {
mvwaddnstr(edit, line, margin, converted, -1);
mvwaddnstr(edit, row, margin, converted, -1);
goto tail_of_loop;
} else if (fileptr->multidata[varnish->id] == CBEGINBEFORE) {
regexec(varnish->end, fileptr->data, 1, &endmatch, 0);
@ -2432,7 +2432,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
goto tail_of_loop;
paintlen = actual_x(converted, strnlenpt(fileptr->data,
endmatch.rm_eo) - from_col);
mvwaddnstr(edit, line, margin, converted, paintlen);
mvwaddnstr(edit, row, margin, converted, paintlen);
goto tail_of_loop;
}
@ -2516,20 +2516,20 @@ void edit_draw(filestruct *fileptr, const char *converted,
/* Now paint the start of the line. However, if the end match
* is on a different line, paint the whole line, and go on. */
if (end_line != fileptr) {
mvwaddnstr(edit, line, margin, converted, -1);
mvwaddnstr(edit, row, margin, converted, -1);
fileptr->multidata[varnish->id] = CWHOLELINE;
#ifdef DEBUG
fprintf(stderr, " Marking for id %i line %i as CWHOLELINE\n", varnish->id, line);
fprintf(stderr, " Marking for id %i row %i as CWHOLELINE\n", varnish->id, row);
#endif
/* Don't bother looking for any more starts. */
goto tail_of_loop;
} else {
paintlen = actual_x(converted, strnlenpt(fileptr->data,
endmatch.rm_eo) - from_col);
mvwaddnstr(edit, line, margin, converted, paintlen);
mvwaddnstr(edit, row, margin, converted, paintlen);
fileptr->multidata[varnish->id] = CBEGINBEFORE;
#ifdef DEBUG
fprintf(stderr, " Marking for id %i line %i as CBEGINBEFORE\n", varnish->id, line);
fprintf(stderr, " Marking for id %i row %i as CBEGINBEFORE\n", varnish->id, row);
#endif
}
step_two:
@ -2565,12 +2565,12 @@ void edit_draw(filestruct *fileptr, const char *converted,
paintlen = actual_x(thetext, strnlenpt(fileptr->data,
endmatch.rm_eo) - from_col - start_col);
mvwaddnstr(edit, line, margin + start_col,
mvwaddnstr(edit, row, margin + start_col,
thetext, paintlen);
fileptr->multidata[varnish->id] = CSTARTENDHERE;
#ifdef DEBUG
fprintf(stderr, " Marking for id %i line %i as CSTARTENDHERE\n", varnish->id, line);
fprintf(stderr, " Marking for id %i row %i as CSTARTENDHERE\n", varnish->id, row);
#endif
}
index = endmatch.rm_eo;
@ -2592,10 +2592,10 @@ void edit_draw(filestruct *fileptr, const char *converted,
break;
/* Paint the rest of the line. */
mvwaddnstr(edit, line, margin + start_col, thetext, -1);
mvwaddnstr(edit, row, margin + start_col, thetext, -1);
fileptr->multidata[varnish->id] = CENDAFTER;
#ifdef DEBUG
fprintf(stderr, " Marking for id %i line %i as CENDAFTER\n", varnish->id, line);
fprintf(stderr, " Marking for id %i row %i as CENDAFTER\n", varnish->id, row);
#endif
/* We've painted to the end of the line, so don't
* bother checking for any more starts. */
@ -2648,7 +2648,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
}
wattron(edit, hilite_attribute);
mvwaddnstr(edit, line, margin + start_col, thetext, paintlen);
mvwaddnstr(edit, row, margin + start_col, thetext, paintlen);
wattroff(edit, hilite_attribute);
}
}
@ -2661,7 +2661,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
* Returns: Number of additional lines consumed (needed for SOFTWRAP). */
int update_line(filestruct *fileptr, size_t index)
{
int line = 0;
int row = 0;
/* The row in the edit window we will be updating. */
int extralinesused = 0;
char *converted;
@ -2673,16 +2673,16 @@ int update_line(filestruct *fileptr, size_t index)
filestruct *tmp;
for (tmp = openfile->edittop; tmp && tmp != fileptr; tmp = tmp->next)
line += (strlenpt(tmp->data) / editwincols) + 1;
row += (strlenpt(tmp->data) / editwincols) + 1;
} else
#endif
line = fileptr->lineno - openfile->edittop->lineno;
row = fileptr->lineno - openfile->edittop->lineno;
if (line < 0 || line >= editwinrows)
if (row < 0 || row >= editwinrows)
return 1;
/* First, blank out the line. */
blank_row(edit, line, 0, COLS);
/* First, blank out the row. */
blank_row(edit, row, 0, COLS);
/* Next, convert variables that index the line to their equivalent
* positions in the expanded line. */
@ -2702,26 +2702,26 @@ int update_line(filestruct *fileptr, size_t index)
fprintf(stderr, "update_line(): converted(1) line = %s\n", converted);
#endif
/* Paint the line. */
edit_draw(fileptr, converted, line, page_start);
/* Draw the line. */
edit_draw(fileptr, converted, row, page_start);
free(converted);
#ifndef NANO_TINY
if (!ISSET(SOFTWRAP)) {
#endif
if (page_start > 0)
mvwaddch(edit, line, margin, '$');
mvwaddch(edit, row, margin, '$');
if (strlenpt(fileptr->data) > page_start + editwincols)
mvwaddch(edit, line, COLS - 1, '$');
mvwaddch(edit, row, COLS - 1, '$');
#ifndef NANO_TINY
} else {
size_t full_length = strlenpt(fileptr->data);
for (index += editwincols; index <= full_length && line < editwinrows - 1; index += editwincols) {
line++;
for (index += editwincols; index <= full_length && row < editwinrows - 1; index += editwincols) {
row++;
#ifdef DEBUG
fprintf(stderr, "update_line(): softwrap code, moving to %d index %lu\n", line, (unsigned long)index);
fprintf(stderr, "update_line(): softwrap code, moving to %d index %lu\n", row, (unsigned long)index);
#endif
blank_row(edit, line, 0, COLS);
blank_row(edit, row, 0, COLS);
/* Expand the line, replacing tabs with spaces, and control
* characters with their displayed forms. */
@ -2730,10 +2730,10 @@ int update_line(filestruct *fileptr, size_t index)
if (ISSET(SOFTWRAP) && strlen(converted) >= editwincols - 2)
fprintf(stderr, "update_line(): converted(2) line = %s\n", converted);
#endif
/* Paint the line. */
edit_draw(fileptr, converted, line, index);
/* Draw the line. */
edit_draw(fileptr, converted, row, index);
free(converted);
extralinesused++;
}
}