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Merge pull request #11 from piotr-marendowski/feature

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add stats and add key binds and fix preview
This commit is contained in:
Piotr Marendowski 2024-03-12 19:27:12 +00:00 committed by GitHub
commit 6b2eb35601
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GPG key ID: B5690EEEBB952194
3 changed files with 129 additions and 39 deletions
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130
ccc.c
View file

@ -4,6 +4,8 @@
#include <string.h>
#include <linux/limits.h>
#include <dirent.h> /* directories etc. */
#include <sys/stat.h>
#include <time.h>
#include <ncurses.h>
#include "file.h"
@ -22,8 +24,10 @@ typedef struct {
/* functions' definitions */
void list_files(char *path);
char *get_file_stat(char *filename);
void highlight_current_line();
void show_file_content();
void edit_file();
void init_windows();
void draw_border_title(WINDOW *window, bool active);
@ -31,7 +35,7 @@ void draw_border_title(WINDOW *window, bool active);
unsigned int focus = 0;
long current_selection = 0;
int half_width;
WIN_STRUCT windows[3];
WIN_STRUCT windows[4];
int main(int argc, char** argv)
{
@ -142,6 +146,9 @@ int main(int argc, char** argv)
break;
}
break;
case 'e':
edit_file();
break;
case 27: /* esc */
break;
case KEY_RESIZE:
@ -181,10 +188,15 @@ void list_files(char *path)
}
/* can't be strncmp as that would filter out the dotfiles */
if (strcmp(filename, ".") && strcmp(filename, "..")) {
add_file(filename);
mvwprintw(windows[0].window, count + 1, 1, "%s", filename);
char *stats = get_file_stat(filename);
long index = add_file(filename, stats);
char *line = get_line(index);
mvwprintw(windows[0].window, count + 1, 1, "%s", line);
free(stats);
free(line);
count++;
}
free(filename);
}
closedir(dp);
wrefresh(windows[0].window);
@ -193,13 +205,40 @@ void list_files(char *path)
}
}
/*
* Get file's last modified time and size
*/
char *get_file_stat(char *filename) {
struct stat file_stat;
stat(filename, &file_stat);
char *time = memalloc(20 * sizeof(char));
strftime(time, 20, "%Y-%m-%d %H:%M", localtime(&file_stat.st_mtime)); /* format last modified time to a string */
double bytes = file_stat.st_size;
char *size = memalloc(25 * sizeof(char)); /* max 25 chars due to long, space, suffix and nul */
int unit = 0;
const char* units[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
while (bytes > 1024) {
bytes /= 1024;
unit++;
}
sprintf(size, "%.*f%s", unit, bytes, units[unit]);
char *total_stat = memalloc(45 * sizeof(char));
snprintf(total_stat, 45, "%-18s %-10s", time, size);
free(time);
free(size);
return total_stat;
}
/*
* Highlight current line by reversing the color
*/
void highlight_current_line()
{
char cwd[PATH_MAX];
char *filename;
for (long i = 0; i < files_len(); i++) {
if (i == current_selection) {
@ -207,19 +246,21 @@ void highlight_current_line()
wattron(windows[0].window, COLOR_PAIR(1));
/* update the panel */
wclear(windows[2].window);
wprintw(windows[2].window, "(%ld/%ld) %s", i + 1, files_len(),
wclear(windows[3].window);
wprintw(windows[3].window, "(%ld/%ld) %s", i + 1, files_len(),
getcwd(cwd, sizeof(cwd)));
}
/* print the actual filename */
filename = get_filename(i);
mvwprintw(windows[0].window, i + 1, 1, "%s", filename);
/* print the actual filename and stats */
char *line = get_line(i);
mvwprintw(windows[0].window, i + 1, 1, "%s", line);
wattroff(windows[0].window, A_REVERSE);
wattroff(windows[0].window, COLOR_PAIR(1));
free(line);
}
wrefresh(windows[0].window);
wrefresh(windows[2].window);
wrefresh(windows[3].window);
/* show file content every time cursor changes */
show_file_content();
}
@ -231,51 +272,76 @@ void show_file_content()
{
FILE *file = fopen(get_filename((long) current_selection), "rb");
if (file) {
wclear(windows[1].window);
wclear(windows[2].window);
draw_border_title(windows[1].window, true);
fseek(file, 0, SEEK_END);
/* check if file isn't empty */
long length = ftell(file);
if (length != 0) {
fseek(file, 0, SEEK_SET);
/* check if file isn't empty */
if (length != 0 && length < 4096) {
fseek(file, 0, SEEK_SET); /* set cursor back to start of file */
char *buffer = memalloc(length * sizeof(char));
fread(buffer, 1, length, file);
mvwprintw(windows[1].window, 1, 1, "%s", buffer);
wrefresh(windows[1].window);
mvwprintw(windows[2].window, 0, 0, "%s", buffer);
wrefresh(windows[2].window);
free(buffer);
} else {
wclear(windows[1].window);
wclear(windows[2].window);
}
fclose(file);
}
}
/*
* Opens $EDITOR to edit the file
*/
void edit_file() {
char *editor = getenv("EDITOR");
if (editor == NULL) {
wclear(windows[3].window);
wprintw(windows[3].window, "Cannot get EDITOR variable, is it defined?");
wrefresh(windows[3].window);
return;
} else {
def_prog_mode(); /* save the tty modes */
endwin(); /* end curses mode temporarily */
char *filename = get_filename(current_selection);
int length = strlen(editor) + strlen(filename) + 2; /* one for space one for nul */
char command[length];
snprintf(command, length, "%s %s", editor, filename);
system(command);
reset_prog_mode(); /* return to previous tty mode */
refresh(); /* store the screen contents */
free(filename);
}
}
void init_windows()
{
/*-----------------------------+
| | |
| | |
| directory (0) | preview (1) |
| | |
| | |
| | |
+==========panel (2)==========*/
/*------------------------------+
| ||-------------||
| || ||
| directory (0) || preview (1)||
| || ||
| || ||
| ||-------------||
+==========panel (2)===========*/
/* lines, cols, y, x */
WINDOW *directory = newwin(LINES, half_width, 0, 0 );
WINDOW *preview = newwin(LINES, half_width, 0, half_width);
WINDOW *directory = newwin(LINES - PH, half_width, 0, 0 );
WINDOW *preview_border = newwin(LINES - PH, half_width, 0, half_width );
WINDOW *preview_content = newwin(LINES - PH - 2, half_width - 2, 1, half_width + 1);
WINDOW *panel = newwin(PH, COLS, LINES - PH, 0 );
/* draw border around windows */
draw_border_title(directory, true);
draw_border_title(preview, false);
draw_border_title(preview_content, false);
/* window location y, x */
windows[0] = (WIN_STRUCT) { directory, 0, 0, 0 };
windows[1] = (WIN_STRUCT) { preview, 1, 0, half_width };
windows[2] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
windows[1] = (WIN_STRUCT) { preview_border, 1, 0, half_width };
windows[2] = (WIN_STRUCT) { preview_content, 1, 0, half_width };
windows[3] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
}
/*

26
file.c
View file

@ -1,10 +1,12 @@
#include <string.h>
#include <stdlib.h>
#include "util.h"
/* files in a link list data structure */
typedef struct file {
char *name;
char *stats;
/* put some more useful stat here */
struct file *next;
} file;
@ -25,15 +27,17 @@ long files_len()
return count;
}
long add_file(char *filename)
long add_file(char *filename, char *stats)
{
file *current = files;
file *new_file = memalloc(sizeof(file));
char *buf = strdup(filename);
if (!buf) {
char *buf2 = strdup(stats);
if (buf == NULL || buf2 == NULL) {
perror("ccc");
}
new_file->name = buf;
new_file->stats = buf2;
new_file->next = NULL;
if (current == NULL) {
files = new_file;
@ -76,3 +80,21 @@ char *get_filename(long index)
return NULL;
}
}
char *get_line(long index)
{
file *file = get_file(index);
if (file != NULL) {
char *name = strdup(file->name);
char *stats = strdup(file->stats);
if (name == NULL || stats == NULL) {
perror("ccc");
}
size_t length = strlen(name) + strlen(stats) + 2; /* one for space and one for nul */
char *line = memalloc(length * sizeof(char));
snprintf(line, length, "%s %s", stats, name);
return line;
} else {
return NULL;
}
}

4
file.h
View file

@ -3,13 +3,15 @@
typedef struct file {
char *name;
char *stats;
// put some more useful stat here
struct file *next;
} file;
long files_len();
long add_file(char *filename);
long add_file(char *filename, char *time);
file *get_file(long index);
char *get_filename(long index);
char *get_line(long index);
#endif