mirror of https://github.com/mananapr/cfiles
mananapr
5 years ago
parent
022350386d
commit
93a4b7b9e4
@ -1,2 +1,25 @@
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# cfiles
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A ncurses file manager written in C
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`cfiles` is a work in progress terminal file manager written in C using the ncurses
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library. It aims to provide an interface like [ranger](https://github.com/ranger/ranger) while being lightweight, fast and
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minimal.
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## Compiling and Installation
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To compile, run
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`gcc cf.c -lncurses -o cf`
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To install, simply move the generated executable to a directory that is in your `$PATH`
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## Why C?
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I wanted to improve my C and learn ncurses so I decided this would be an ideal project.
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Apart from this, I have always wanted an alternative to ranger that is faster while still having
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a similar UI.
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## Todo
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- [ ] Improve Upwards Scrolling
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- [ ] Show sorted directories before files
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- [ ] Fix the `G` keybinding
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- [ ] Add basic operations like renaming, copying etc.
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- [ ] Show more info in the statusbar
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- [ ] Add file previews
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@ -0,0 +1,313 @@
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// HEADERS
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#include <stdio.h>
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#include <dirent.h>
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#include <curses.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pwd.h>
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/*
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For qsort
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*/
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int compare (const void * a, const void * b ) {
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return strcmp(*(char **)a, *(char **)b);
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}
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/*
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Creates a new window with dimensions `height` and `width` starting at `starty` and `startx`
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*/
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WINDOW *create_newwin(int height, int width, int starty, int startx)
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{
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WINDOW *local_win;
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local_win = newwin(height, width, starty, startx);
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return local_win;
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}
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/*
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Returns number of files in `char* directory`
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*/
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int getNumberofFiles(char* directory)
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{
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int len=0;
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DIR *pDir;
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struct dirent *pDirent;
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pDir = opendir (directory);
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if (pDir == NULL) {
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return -1;
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}
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while ((pDirent = readdir(pDir)) != NULL) {
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// Skip hidden files
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if(pDirent->d_name[0] != '.' )
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len++;
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}
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return len;
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}
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/*
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Stores all the file names in `char* directory` to `char *target[]`
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*/
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void getFiles(char* directory, char* target[])
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{
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int i = 0;
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DIR *pDir;
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struct dirent *pDirent;
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pDir = opendir (directory);
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if (pDir == NULL) {
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return;
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}
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while ((pDirent = readdir(pDir)) != NULL) {
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// Skip hidden files
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if(pDirent->d_name[0] != '.')
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target[i++] = strdup(pDirent->d_name);
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}
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closedir (pDir);
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}
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int main(int argc, char* argv[])
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{
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// To store number of files in directory
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int len=0;
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// Counter variable
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int i = 0;
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// Direcotry to be opened
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char* dir;
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// Get UID of user
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uid_t uid = getuid();
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// Get home directory of user from UID
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struct passwd *info = getpwuid(uid);
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// No Path is given in arguments
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// Set Path as $HOME
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if(argc == 1)
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{
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dir = info->pw_dir;
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}
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// Path is given in arguments
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// Set Path as the argument
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else if(argc == 2)
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{
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dir = argv[1];
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// Relative Path Given
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if(dir[0] != '/')
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{
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// Add path of $HOME before the Relative Path
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char temp[250] = "";
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strcat(temp,info->pw_dir);
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strcat(temp,"/");
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strcat(temp,dir);
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dir = temp;
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}
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}
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// Incorrect Useage
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else
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{
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printf("Incorrect Useage\n");
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exit(0);
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}
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// Stores number of files in the present directory
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len = 0;
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// ncurses initialization
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initscr();
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noecho();
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curs_set(0);
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// Shows current directory
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WINDOW *current_win;
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// Shows child directory preview
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WINDOW *preview_win;
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// Shows status bar
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WINDOW *status_win;
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int startx, starty, midx, midy, maxx, maxy;
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// Index of currently selected item in `char* directories`
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int selection = 0;
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char ch;
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int start = 0;
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// Main Loop
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do
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{
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// Get number of files in the home directory
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len = getNumberofFiles(dir);
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// Array of all the files in the current directory
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char* directories[len];
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getFiles(dir, directories);
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// Sort files by name
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qsort (directories, len, sizeof (char*), compare);
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// Get Size of terminal
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getmaxyx(stdscr, maxy, maxx);
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// Save last two rows for status_win
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maxy = maxy - 2;
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// Make the two windows side-by-side
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current_win = create_newwin(maxy, maxx/2+3, 0, 0);
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preview_win = create_newwin(maxy, maxx/2 -1, 0, maxx/2 + 1);
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status_win = create_newwin(2, maxx, maxy, 0);
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// Display Status
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wmove(status_win,1,1);
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wprintw(status_win, "%s@%s\t%s", getenv("USER"), getenv("HOSTNAME"), dir);
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wrefresh(status_win);
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// Print all the elements and highlight the selection
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int t = 0;
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for( i=start; i<len; i++ )
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{
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if(i==selection)
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wattron(current_win, A_STANDOUT);
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else
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wattroff(current_win, A_STANDOUT);
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wmove(current_win,t+1,2);
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wprintw(current_win, "%.*s\n", maxx/2+2, directories[i]);
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t++;
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}
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// Name of selected file
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char* selected_file = directories[selection];
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// Stores files in the selected directory
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char next_dir[250] = "";
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// Stores path of parent directory
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char prev_dir[250] = "";
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// Get path of parent directory
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char *p;
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strcat(prev_dir, dir);
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p = strrchr(dir,'/');
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prev_dir[p-dir] = '\0';
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// Parent directory is root
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if(prev_dir[0] != '/')
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{
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prev_dir[0] = '/';
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prev_dir[1] = '\0';
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}
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// Get path of child directory
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strcat(next_dir, dir);
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strcat(next_dir, "/");
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strcat(next_dir, directories[selection]);
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// Stores number of files in the child directory
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int len_preview = getNumberofFiles(next_dir);
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char* next_directories[len_preview];
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getFiles(next_dir, next_directories);
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// Selection is a directory
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if(len_preview > 0)
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qsort(next_directories, len_preview, sizeof (char*), compare);
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// Selection is not a directory
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if(len_preview != -1)
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for( i=0; i<len_preview; i++ )
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{
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wmove(preview_win,i+1,2);
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wprintw(preview_win, "%.*s\n", maxx/2 - 2, next_directories[i]);
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}
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// Get Preview of File
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else
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{
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// Todo
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}
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// Draw borders and refresh windows
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wattroff(current_win, A_STANDOUT);
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box(current_win,0,0);
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box(preview_win,0,0);
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wrefresh(current_win);
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wrefresh(preview_win);
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// Keybindings
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switch( ch = wgetch(current_win) ) {
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case 'k':
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selection--;
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selection = ( selection < 0 ) ? 0 : selection;
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// Scrolling
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if(len > maxy)
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if(selection > maxy/2)
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{
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if(start == 0)
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wclear(current_win);
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else
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{
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start--;
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wclear(current_win);
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}
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}
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break;
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case 'j':
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selection++;
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selection = ( selection > len-1 ) ? len-1 : selection;
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// Scrolling
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if(len > maxy)
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if(selection - 1 > maxy/2)
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{
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if(start + maxy -2 != len)
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{
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start++;
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wclear(current_win);
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}
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}
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break;
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case 'l':
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strcpy(dir, next_dir);
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selection = 0;
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start = 0;
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break;
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case 'h':
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strcpy(dir, prev_dir);
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selection = 0;
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start = 0;
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break;
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case 'g':
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selection = 0;
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start = 0;
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break;
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case 'G':
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selection = len - 1;
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if(len > maxy - 2)
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start = len - maxy - 1;
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// Needs to be fixed
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else
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start = len - 1 - maxy - 4 + 3;
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break;
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}
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// Free Memory
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for( i=0; i<len_preview; i++ )
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{
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free(next_directories[i]);
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}
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for( i=0; i<len; i++ )
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{
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free(directories[i]);
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}
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} while( ch != 'q');
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endwin();
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return 0;
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}
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