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tweaks: rename two variables, one for contrast, another for visibility

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Also normalize two bits of whitespace.
This commit is contained in:
Benno Schulenberg 2020-11-30 13:27:09 +01:00
parent a4675acdba
commit a3a1391a51
3 changed files with 45 additions and 46 deletions
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85
src/browser.c
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@ -30,7 +30,7 @@
static char **filelist = NULL;
/* The list of files to display in the file browser. */
static size_t filelist_len = 0;
static size_t list_length = 0;
/* The number of files in the list. */
static size_t width = 0;
/* The number of files that we can display per screen row. */
@ -40,14 +40,14 @@ static size_t selected = 0;
/* The currently selected filename in the list; zero-based. */
/* Set filelist to the list of files contained in the directory path,
* set filelist_len to the number of files in that list, set longest to
* set list_length 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 screen row. And sort the list too. */
void read_the_list(const char *path, DIR *dir)
{
size_t path_len = strlen(path), index = 0;
const struct dirent *nextdir;
size_t i = 0, path_len = strlen(path);
longest = 0;
@ -58,7 +58,7 @@ void read_the_list(const char *path, DIR *dir)
if (name_len > longest)
longest = name_len;
i++;
index++;
}
/* Put 10 characters' worth of blank space between columns of filenames
@ -74,32 +74,31 @@ void read_the_list(const char *path, DIR *dir)
rewinddir(dir);
free_chararray(filelist, filelist_len);
free_chararray(filelist, list_length);
filelist_len = i;
list_length = index;
index = 0;
filelist = nmalloc(filelist_len * sizeof(char *));
filelist = nmalloc(list_length * sizeof(char *));
i = 0;
while ((nextdir = readdir(dir)) != NULL && i < filelist_len) {
while ((nextdir = readdir(dir)) != NULL && index < list_length) {
/* Don't show the "." entry. */
if (strcmp(nextdir->d_name, ".") == 0)
continue;
filelist[i] = nmalloc(path_len + strlen(nextdir->d_name) + 1);
sprintf(filelist[i], "%s%s", path, nextdir->d_name);
filelist[index] = nmalloc(path_len + strlen(nextdir->d_name) + 1);
sprintf(filelist[index], "%s%s", path, nextdir->d_name);
i++;
index++;
}
/* Maybe the number of files in the directory changed between the
* first time we scanned and the second. i is the actual length of
* filelist, so record it. */
filelist_len = i;
/* Maybe the number of files in the directory decreased between the
* first time we scanned and the second time. index is the actual
* length of the file list, so record it. */
list_length = index;
/* Sort the list of names. */
qsort(filelist, filelist_len, sizeof(char *), diralphasort);
qsort(filelist, list_length, sizeof(char *), diralphasort);
/* Calculate how many files fit on a line -- feigning room for two
* spaces beyond the right edge, and adding two spaces of padding
@ -113,7 +112,7 @@ void browser_select_dirname(const char *needle)
{
size_t looking_at = 0;
for (; looking_at < filelist_len; looking_at++) {
for (; looking_at < list_length; looking_at++) {
if (strcmp(filelist[looking_at], needle) == 0) {
selected = looking_at;
break;
@ -122,12 +121,12 @@ void browser_select_dirname(const char *needle)
/* If the sought name isn't found, move the highlight so that the
* changed selection will be noticed. */
if (looking_at == filelist_len) {
if (looking_at == list_length) {
--selected;
/* Make sure we stay within the available range. */
if (selected >= filelist_len)
selected = filelist_len - 1;
if (selected >= list_length)
selected = list_length - 1;
}
}
@ -145,7 +144,7 @@ void browser_refresh(void)
blank_edit();
for (size_t index = selected - selected % (editwinrows * width);
index < filelist_len && row < editwinrows; index++) {
index < list_length && row < editwinrows; index++) {
const char *thename = tail(filelist[index]);
/* The filename we display, minus the path. */
size_t namelen = breadth(thename);
@ -283,13 +282,13 @@ void findfile(const char *needle, bool forwards)
* we've come back to the point where we started. */
while (TRUE) {
if (forwards) {
if (looking_at++ == filelist_len - 1) {
if (looking_at++ == list_length - 1) {
looking_at = 0;
statusbar(_("Search Wrapped"));
}
} else {
if (looking_at-- == 0) {
looking_at = filelist_len - 1;
looking_at = list_length - 1;
statusbar(_("Search Wrapped"));
}
}
@ -488,8 +487,8 @@ char *browse(char *path)
selected--;
/* If we're beyond the list, select the last filename. */
if (selected > filelist_len - 1)
selected = filelist_len - 1;
if (selected > list_length - 1)
selected = list_length - 1;
/* If we selected the same filename as last time, fake a
* press of the Enter key so that the file is read in. */
@ -539,19 +538,19 @@ char *browse(char *path)
if (selected > 0)
selected--;
} else if (func == do_right) {
if (selected < filelist_len - 1)
if (selected < list_length - 1)
selected++;
} else if (func == to_prev_word) {
selected -= (selected % width);
} else if (func == to_next_word) {
selected += width - 1 - (selected % width);
if (selected >= filelist_len)
selected = filelist_len - 1;
if (selected >= list_length)
selected = list_length - 1;
} else if (func == do_up) {
if (selected >= width)
selected -= width;
} else if (func == do_down) {
if (selected + width <= filelist_len - 1)
if (selected + width <= list_length - 1)
selected += width;
} else if (func == to_prev_block) {
selected = ((selected / (editwinrows * width)) *
@ -560,9 +559,9 @@ char *browse(char *path)
selected = ((selected / (editwinrows * width)) *
editwinrows * width) + selected % width +
editwinrows * width - width;
if (selected >= filelist_len)
selected = (filelist_len / width) * width + selected % width;
if (selected >= filelist_len)
if (selected >= list_length)
selected = (list_length / width) * width + selected % width;
if (selected >= list_length)
selected -= width;
} else if (func == do_page_up) {
if (selected < width)
@ -572,17 +571,17 @@ char *browse(char *path)
else
selected -= editwinrows * width;
} else if (func == do_page_down) {
if (selected + width >= filelist_len - 1)
selected = filelist_len - 1;
else if (selected + editwinrows * width >= filelist_len)
selected = (selected + editwinrows * width - filelist_len) %
width + filelist_len - width;
if (selected + width >= list_length - 1)
selected = list_length - 1;
else if (selected + editwinrows * width >= list_length)
selected = (selected + editwinrows * width - list_length) %
width + list_length - width;
else
selected += editwinrows * width;
} else if (func == to_first_file) {
selected = 0;
} else if (func == to_last_file) {
selected = filelist_len - 1;
selected = list_length - 1;
} else if (func == goto_dir) {
/* Ask for the directory to go to. */
if (do_prompt(MGOTODIR, "", NULL,
@ -616,7 +615,7 @@ char *browse(char *path)
/* In case the specified directory cannot be entered, select it
* (if it is in the current list) so it will be highlighted. */
for (size_t j = 0; j < filelist_len; j++)
for (size_t j = 0; j < list_length; j++)
if (strcmp(filelist[j], path) == 0)
selected = j;
@ -690,9 +689,9 @@ char *browse(char *path)
free(path);
free_chararray(filelist, filelist_len);
free_chararray(filelist, list_length);
filelist = NULL;
filelist_len = 0;
list_length = 0;
return chosen;
}