make h and l key to navigate different directory
use 2 more window to display content slight refactor and better variable names
This commit is contained in:
parent
4cbe842c30
commit
adae6f87fb
3 changed files with 141 additions and 73 deletions
183
ccc.c
183
ccc.c
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@ -22,7 +22,7 @@ typedef struct {
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} WIN_STRUCT;
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/* functions' definitions */
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void list_files(char *path);
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void list_files(const char *path);
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char *get_file_stat(char *filename);
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void highlight_current_line();
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void show_file_content();
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@ -33,13 +33,17 @@ void draw_border_title(WINDOW *window, bool active);
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/* global variables */
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unsigned int focus = 0;
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long current_selection = 0;
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char *cwd;
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int half_width;
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WIN_STRUCT windows[4];
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WIN_STRUCT windows[5];
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WINDOW *directory_border;
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WINDOW *directory_content;
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WINDOW *preview_border;
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WINDOW *preview_content;
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WINDOW *panel;
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int main(int argc, char** argv)
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{
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char cwd[PATH_MAX];
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if (argc > 1 && strcmp(argv[1], "-h") == 0)
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die("Usage: ccc filename");
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@ -47,9 +51,6 @@ int main(int argc, char** argv)
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if (!isatty(STDIN_FILENO))
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die("ccc: No tty detected. ccc requires an interactive shell to run.\n");
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/* set window name */
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printf("%c]2;ccc: %s%c", ESC, getcwd(cwd, sizeof(cwd)), ESC);
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/* initialize screen, don't print special chars,
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* make ctrl + c work, don't show cursor */
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initscr();
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@ -68,12 +69,19 @@ int main(int argc, char** argv)
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init_pair(1, COLOR_BLUE, COLOR_BLACK); /* foreground, background */
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init_pair(2, COLOR_CYAN, COLOR_BLACK); /* active color */
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refresh();
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half_width = COLS / 2;
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init_windows();
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list_files(getcwd(cwd, sizeof(cwd)));
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refresh();
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cwd = memalloc(PATH_MAX * sizeof(char));
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getcwd(cwd, PATH_MAX);
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list_files(cwd);
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highlight_current_line();
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/* set window name */
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printf("%c]2;ccc: %s%c", ESC, cwd, ESC);
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int ch, second;
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while (1) {
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if (COLS < 80 || LINES < 24) {
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@ -82,20 +90,55 @@ int main(int argc, char** argv)
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}
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ch = getch();
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switch (ch) {
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/* quit */
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case 'q':
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endwin();
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return 0;
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/* reload */
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case '.':
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list_files(getcwd(cwd, sizeof(cwd)));
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clear_files();
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list_files(cwd);
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current_selection = 0;
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highlight_current_line();
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break;
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/* go back */
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case 'h':
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clear_files();
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/* get parent directory */
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char *last_slash = strrchr(cwd, '/');
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if (last_slash != NULL) {
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*last_slash = '\0';
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list_files(cwd);
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current_selection = 0;
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highlight_current_line();
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}
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break;
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/* enter directory/open a file */
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case 'l':
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case 'l':;
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char *filename = get_filepath(current_selection);
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if (filename != NULL) {
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struct stat file_stat;
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stat(filename, &file_stat);
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/* check if it is directory or regular file */
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if (S_ISDIR(file_stat.st_mode)) {
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/* change cwd to directory */
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strcpy(cwd, filename);
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clear_files();
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list_files(filename);
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current_selection = 0;
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highlight_current_line();
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}
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}
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break;
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/*
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if (focus == 0) focus++;
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else if (focus == 1) focus--;
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break;
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*/
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/* go up */
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case 'k':
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if (current_selection > 0)
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@ -150,29 +193,38 @@ int main(int argc, char** argv)
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* Read the provided directory and list all files to window 0
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* ep->d_name -> filename
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*/
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void list_files(char *path)
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void list_files(const char *path)
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{
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DIR *dp;
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struct dirent *ep;
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draw_border_title(directory_border, true);
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dp = opendir(path);
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if (dp != NULL) {
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int count = 0;
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/* clear directory window to ready for printing */
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wclear(directory_content);
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while ((ep = readdir(dp)) != NULL) {
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char *filename = strdup(ep->d_name);
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if (filename == NULL) {
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/* memory allocation failed */
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perror("ccc");
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fprintf(stderr, "ccc: Cannot read filename %s.", ep->d_name);
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exit(EXIT_FAILURE);
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}
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char *filename = memalloc(PATH_MAX * sizeof(char));
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/* make filename be basename of selected item just to pass check */
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filename[0] = '\0';
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strcat(filename, ep->d_name);
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/* can't be strncmp as that would filter out the dotfiles */
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if (strcmp(filename, ".") && strcmp(filename, "..")) {
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/* construct full file path */
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filename[0] = '\0';
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strcat(filename, cwd);
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strcat(filename, "/");
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strcat(filename, ep->d_name); /* add file name */
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char *stats = get_file_stat(filename);
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long index = add_file(filename, stats);
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char *line = get_line(index);
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mvwprintw(windows[0].window, count + 1, 1, "%s", line);
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mvwprintw(directory_content, count, 0, "%s", line);
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free(stats);
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free(line);
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count++;
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@ -180,7 +232,7 @@ void list_files(char *path)
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free(filename);
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}
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closedir(dp);
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wrefresh(windows[0].window);
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wrefresh(directory_content);
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} else {
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perror("ccc");
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}
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@ -189,12 +241,14 @@ void list_files(char *path)
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/*
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* Get file's last modified time and size
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*/
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char *get_file_stat(char *filename) {
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char *get_file_stat(char *filename)
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{
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struct stat file_stat;
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stat(filename, &file_stat);
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char *time = memalloc(20 * sizeof(char));
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strftime(time, 20, "%Y-%m-%d %H:%M", localtime(&file_stat.st_mtime)); /* format last modified time to a string */
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/* format last modified time to a string */
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strftime(time, 20, "%Y-%m-%d %H:%M", localtime(&file_stat.st_mtime));
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double bytes = file_stat.st_size;
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char *size = memalloc(25 * sizeof(char)); /* max 25 chars due to long, space, suffix and nul */
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@ -208,6 +262,7 @@ char *get_file_stat(char *filename) {
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char *total_stat = memalloc(45 * sizeof(char));
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snprintf(total_stat, 45, "%-18s %-10s", time, size);
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total_stat[strlen(total_stat)] = '\0';
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free(time);
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free(size);
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@ -219,29 +274,26 @@ char *get_file_stat(char *filename) {
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*/
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void highlight_current_line()
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{
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char cwd[PATH_MAX];
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for (long i = 0; i < files_len(); i++) {
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if (i == current_selection) {
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wattron(windows[0].window, A_REVERSE);
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wattron(windows[0].window, COLOR_PAIR(1));
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wattron(directory_content, A_REVERSE);
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wattron(directory_content, COLOR_PAIR(1));
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/* update the panel */
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wclear(windows[3].window);
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wprintw(windows[3].window, "(%ld/%ld) %s", i + 1, files_len(),
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getcwd(cwd, sizeof(cwd)));
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wclear(panel);
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wprintw(panel, "(%ld/%ld) %s", i + 1, files_len(), cwd);
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}
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/* print the actual filename and stats */
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char *line = get_line(i);
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mvwprintw(windows[0].window, i + 1, 1, "%s", line);
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mvwprintw(directory_content, i, 0, "%s", line);
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wattroff(windows[0].window, A_REVERSE);
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wattroff(windows[0].window, COLOR_PAIR(1));
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wattroff(directory_content, A_REVERSE);
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wattroff(directory_content, COLOR_PAIR(1));
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free(line);
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}
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wrefresh(windows[0].window);
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wrefresh(windows[3].window);
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wrefresh(directory_content);
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wrefresh(panel);
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/* show file content every time cursor changes */
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show_file_content();
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}
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@ -251,10 +303,10 @@ void highlight_current_line()
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*/
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void show_file_content()
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{
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FILE *file = fopen(get_filename((long) current_selection), "rb");
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FILE *file = fopen(get_filepath((long) current_selection), "rb");
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if (file) {
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wclear(windows[2].window);
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draw_border_title(windows[1].window, true);
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wclear(preview_content);
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draw_border_title(preview_border, true);
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fseek(file, 0, SEEK_END);
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long length = ftell(file);
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@ -263,11 +315,11 @@ void show_file_content()
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fseek(file, 0, SEEK_SET); /* set cursor back to start of file */
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char *buffer = memalloc(length * sizeof(char));
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fread(buffer, 1, length, file);
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mvwprintw(windows[2].window, 0, 0, "%s", buffer);
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wrefresh(windows[2].window);
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mvwprintw(preview_content, 0, 0, "%s", buffer);
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wrefresh(preview_content);
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free(buffer);
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} else {
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wclear(windows[2].window);
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wclear(preview_content);
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}
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fclose(file);
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}
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@ -276,17 +328,18 @@ void show_file_content()
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/*
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* Opens $EDITOR to edit the file
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*/
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void edit_file() {
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void edit_file()
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{
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char *editor = getenv("EDITOR");
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if (editor == NULL) {
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wclear(windows[3].window);
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wprintw(windows[3].window, "Cannot get EDITOR variable, is it defined?");
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wrefresh(windows[3].window);
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wclear(panel);
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wprintw(panel, "Cannot get EDITOR variable, is it defined?");
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wrefresh(panel);
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return;
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} else {
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def_prog_mode(); /* save the tty modes */
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endwin(); /* end curses mode temporarily */
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char *filename = get_filename(current_selection);
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char *filename = get_filepath(current_selection);
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int length = strlen(editor) + strlen(filename) + 2; /* one for space one for nul */
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char command[length];
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snprintf(command, length, "%s %s", editor, filename);
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@ -300,29 +353,31 @@ void edit_file() {
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void init_windows()
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{
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/*------------------------------+
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| directory (0) || preview (1)||
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| || ||
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| ||-------------||
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+==========panel (2)===========*/
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|----border(0)--||--border(2)--||
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|| || ||
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|| content (1) || content (3) ||
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|| || ||
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|| || ||
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|---------------||-------------||
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+==========panel (4)===========*/
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/* lines, cols, y, x */
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WINDOW *directory = newwin(LINES - PH, half_width, 0, 0 );
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WINDOW *preview_border = newwin(LINES - PH, half_width, 0, half_width );
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WINDOW *preview_content = newwin(LINES - PH - 2, half_width - 2, 1, half_width + 1);
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WINDOW *panel = newwin(PH, COLS, LINES - PH, 0 );
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/* lines, cols, y, x */
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directory_border = newwin(LINES - PH, half_width, 0, 0 );
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directory_content = newwin(LINES - PH -2, half_width - 2, 1, 1);
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preview_border = newwin(LINES - PH, half_width, 0, half_width );
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preview_content = newwin(LINES - PH - 2, half_width - 2, 1, half_width + 1);
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panel = newwin(PH, COLS, LINES - PH, 0 );
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/* draw border around windows */
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draw_border_title(directory, true);
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draw_border_title(preview_content, false);
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draw_border_title(directory_border, true);
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draw_border_title(preview_border, false);
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/* window location y, x */
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windows[0] = (WIN_STRUCT) { directory, 0, 0, 0 };
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windows[1] = (WIN_STRUCT) { preview_border, 1, 0, half_width };
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windows[2] = (WIN_STRUCT) { preview_content, 1, 0, half_width };
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windows[3] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
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windows[0] = (WIN_STRUCT) { directory_border, 0, 0, 0 };
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windows[1] = (WIN_STRUCT) { directory_border, 0, 0, 0 };
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windows[2] = (WIN_STRUCT) { preview_border, 1, 0, half_width };
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windows[3] = (WIN_STRUCT) { preview_content, 1, 0, half_width };
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windows[4] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
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}
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/*
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26
file.c
26
file.c
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@ -1,11 +1,12 @@
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#include <string.h>
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#include <stdlib.h>
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#include <libgen.h>
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#include "util.h"
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/* files in a link list data structure */
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typedef struct file {
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char *name;
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char *path;
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char *stats;
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/* put some more useful stat here */
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struct file *next;
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@ -27,16 +28,26 @@ long files_len()
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return count;
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}
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long add_file(char *filename, char *stats)
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void clear_files()
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{
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file *tmp;
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while (files != NULL) {
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tmp = files;
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files = files->next;
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free(tmp);
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}
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}
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long add_file(char *filepath, char *stats)
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{
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file *current = files;
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file *new_file = memalloc(sizeof(file));
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char *buf = strdup(filename);
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char *buf = strdup(filepath);
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char *buf2 = strdup(stats);
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if (buf == NULL || buf2 == NULL) {
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perror("ccc");
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}
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new_file->name = buf;
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new_file->path = buf;
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new_file->stats = buf2;
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new_file->next = NULL;
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if (current == NULL) {
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@ -67,11 +78,11 @@ file *get_file(long index)
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return current;
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}
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char *get_filename(long index)
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char *get_filepath(long index)
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{
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file *file = get_file(index);
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if (file != NULL) {
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char *name = strdup(file->name);
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char *name = strdup(file->path);
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if (!name) {
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perror("ccc");
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}
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@ -85,7 +96,8 @@ char *get_line(long index)
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{
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file *file = get_file(index);
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if (file != NULL) {
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char *name = strdup(file->name);
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char *name = strdup(file->path);
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name = basename(name);
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char *stats = strdup(file->stats);
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if (name == NULL || stats == NULL) {
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perror("ccc");
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5
file.h
5
file.h
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@ -2,16 +2,17 @@
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#define FILE_H_
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typedef struct file {
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char *name;
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char *path;
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char *stats;
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// put some more useful stat here
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struct file *next;
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} file;
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long files_len();
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void clear_files();
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long add_file(char *filename, char *time);
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file *get_file(long index);
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char *get_filename(long index);
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char *get_filepath(long index);
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char *get_line(long index);
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#endif
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