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use linked list instead of linear list

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Night Kaly 2024-03-09 19:14:26 +00:00
parent 4b20e61eac
commit c2499a5902
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GPG key ID: 8E829D3381CFEBBE
1 changed files with 22 additions and 19 deletions
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39
ccc.c
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@ -6,6 +6,7 @@
#include <dirent.h> /* directories etc. */
#include <ncurses.h>
#include "file.h"
#include "util.h"
#define ESC 0x1B
@ -17,18 +18,17 @@ typedef struct {
int x;
} WIN_STRUCT;
/* functions' definitions */
void list_cwd_files();
void highlight_current_line();
void show_file_content();
long files_len();
void init_windows();
void draw_border_title(WINDOW *window, bool active);
/* global variables */
unsigned int focus = 0;
int current_selection = 0;
char **files;
int halfx;
WIN_STRUCT windows[2];
@ -109,6 +109,9 @@ int main(int argc, char** argv)
return 0;
}
/*
* read current directory and list all files to window 0
*/
void list_cwd_files()
{
char cwd[PATH_MAX];
@ -121,23 +124,22 @@ void list_cwd_files()
{
int count = 0;
while ((ep = readdir(dp)) != NULL) {
char *filename = strdup(ep->d_name);
char *filename = strdup(ep->d_name); // duplicate file name to char*
if (!filename)
{
// memory allocation failed
perror("ccc");
exit(EXIT_FAILURE);
}
// can't be strncmp as that filter out dotfiles
if (strcmp(filename, ".") && strcmp(ep->d_name, ".."))
{
files = rememalloc(files, (count + 1) * sizeof(char *));
files[count] = filename;
add_file(filename);
mvwprintw(windows[0].window, count + 1, 1, "%s", filename);
count++;
}
}
closedir(dp);
files[count] = NULL;
wrefresh(windows[0].window);
}
else {
@ -145,6 +147,9 @@ void list_cwd_files()
}
}
/*
* highlight current line by reversing the color
*/
void highlight_current_line()
{
for (int i = 0; i < files_len(); i++)
@ -155,18 +160,21 @@ void highlight_current_line()
wattron(windows[0].window, COLOR_PAIR(1));
}
mvwprintw(windows[0].window, i + 1, 1, "%s", files[i]);
mvwprintw(windows[0].window, i + 1, 1, "%s", get_filename(i)); // print actual file name
wattroff(windows[0].window, A_REVERSE);
wattroff(windows[0].window, COLOR_PAIR(1));
}
wrefresh(windows[0].window);
show_file_content();
wrefresh(windows[0].window); // refresh to see the changes
show_file_content(); // show file content every time cursor changes
}
/*
* get file content into buffer and show it to preview window
*/
void show_file_content()
{
FILE *file = fopen(files[current_selection], "rb");
FILE *file = fopen(get_filename(current_selection), "rb");
if (file)
{
fseek(file, 0, SEEK_END);
@ -180,14 +188,6 @@ void show_file_content()
}
}
long files_len() {
long i = 0;
while (files[i] != NULL) {
i++;
}
return i;
}
void init_windows()
{
/*
@ -218,6 +218,7 @@ void init_windows()
*/
void draw_border_title(WINDOW *window, bool active)
{
// turn on color depends on active
if (active) {
wattron(window, COLOR_PAIR(2));
} else {
@ -236,6 +237,8 @@ void draw_border_title(WINDOW *window, bool active)
mvwaddch(window, LINES - 1, 0, ACS_LLCORNER); // lower left corner
mvwhline(window, LINES - 1, 1, ACS_HLINE, halfx - 2); // bottom horizontal line
mvwaddch(window, LINES - 1, halfx - 1, ACS_LRCORNER); // lower right corner
// turn color off after turning it on
if (active) {
wattroff(window, COLOR_PAIR(2));
} else {