cleanup

backend.c

@@ -82,10 +82,15 @@ char* smartstrcasestr(const char *haystack, const char *needle){
 
 
 char* parse_cmd(const char *cmd, file *f){
+	char *out;
+	if (f == NULL) {
+		out = malloc(strlen(cmd)+1);
+		memcpy(out, cmd, strlen(cmd)+1);
+		return out;
+	}
 	const char *offset = strstr(cmd, SETTINGS_COMMAND_REPLACE_STR);
 
 	int count = 0;
-	char *out;
 	char *pos;
 	unsigned long i = 0;
 	while(f->file_name[i]) {

colors.c

@@ -9,7 +9,6 @@
 unsigned int color_count;
 color *colors;
 
-extern unsigned int settings;
 extern unsigned int status;
 
 void parse_colors(char *line, short *fg, short *bg){
@@ -31,7 +30,6 @@ void parse_colors(char *line, short *fg, short *bg){
 
 void colors_init() {
 	if (has_colors()) {
-		settings |= SETTINGS_HAS_COLOR;
 		start_color();
 		color_count = 0;
 

config.h

@@ -18,6 +18,9 @@ static const char clipboard_cmd[] = "echo ^ | xsel -ib --trim"; /*used in yank_t
 static const char rename_cmd[] = "mv"; /* as used in rename_hovered, makedir and makefile */
 static const char makefile_cmd[] = "touch"; /*as of now both only do ``rename_cmd new_name``*/
 static const char makedir_cmd[] = "mkdir";
+static const char copy_cmd[] = "cp -r";
+static const char cut_cmd[] = "mv";
+static const char del_cmd[] = "rm -r";
 
 static const mimetype mimetype_default_cmd[] = {
 	/* mimetype	shell command
@@ -68,14 +71,14 @@ static const binding key_binding[] = {
 	{ "n",		move_up,		NULL,			"move up"			},
 	{ "s",		move_right,		NULL,			"move right"			}, /* if a dir is hovered, cd into it, if a file is selected, see mimetype_default_cmd */
 
-	{ "\n",		open_with,		NULL,			"open \"open with\" dialog"	}, /* opens the hovered file with an arbitrary command */
+	{ "\n",		open_with,		NULL,			"open \"open with\" dialog"	}, /* execute shell cmd on file, accounts for SETTINGS_COMMAND_FORK */
 	{ "r",		rename_hovered,		NULL,			"rename hovered file"		}, /* renames currently hovered file/directory */
 	{ "dD",		delete,			NULL,			"delete file"			}, /* deletes currently hovered OR selected file/directory
 													 * this means that it does not delete the hovered files if files are already selected */
 	{ "yn",		yank_file_name,		NULL,			"yank filename of hovered file"	},
 	{ "yp",		yank_file_path,		NULL,			"yank path of hovered file"	},
-	{ "yy",		yank_file,		"copy",			"copy/yank file/directory"	}, 
+	{ "yy",		copy_file,		COPY_FILE,		"copy/yank file/directory"	}, 
-	{ "dd",		yank_file,		"cut",			"cut file/directory"		}, 
+	{ "dd",		copy_file,		CUT_FILE,		"cut file/directory"		}, 
 	{ "pp",		paste,			NULL,			"paste"				},
 
 	{ "G",		jump_bottom,		NULL,			"jump to last file in dir"	},
@@ -150,5 +153,9 @@ static const char ui_makedir_text[];
 static const char ui_makefile_text[];
 static const char ui_rename_text[];
 static const char ui_delete_text[];
+static const char copy_cmd[];
+static const char cut_cmd[];
+static const char del_cmd[];
+
 #endif
 /* }}} */

defines.h

@@ -3,10 +3,8 @@
 #define STATUS_QUIT_PROGRAM 1
 #define STATUS_RUN_BACKEND 2
 #define STATUS_RELOAD_DIRECTORY 4
-#define STATUS_UPDATE_ASYNC_REFRESH 8
+#define STATUS_UPDATE_SCREEN_RESIZE 8
-#define STATUS_UPDATE_SCREEN_RESIZE 16
+#define STATUS_UPDATE_SCREEN_CLEAR 16
-#define STATUS_UPDATE_SCREEN_CLEAR 32
-#define STATUS_UPDATE_SCREEN_MASK (STATUS_UPDATE_ASYNC_REFRESH | STATUS_UPDATE_SCREEN_RESIZE | STATUS_UPDATE_SCREEN_CLEAR)
 #define STATUS_USER_ROOT 128
 #define STATUS_INPUT_MATCH 256
 #define STATUS_DELTA_TIME 512
@@ -59,9 +57,8 @@
 #define FILE_TYPE_SYMLINK 64
 #define FILE_TYPE_OPEN_FILE 128 /* this is only used in rgt_content to print a file preview, not the dir */
 
-#define YANK_IS_USED 1
+#define COPY_FILE (int*)0x0001
-#define YANK_CUT 2
+#define CUT_FILE (int*)0x0002
-#define YANK_COPY 4
 
 #define BTM_WINDOW_HEIGHT_ON_STR_INTERACTION 5
 #define INPUT_BUFFER_SIZE 255
@@ -101,8 +98,7 @@ typedef struct Binding {
 	char* comment;
 } binding;
 typedef struct Yank {
-	char status;
+	int *status; /*pointer to make blackmagic easier, should probably not deref lol*/
-	char *path;
 	char **list;
 	unsigned long count;
 } yank;

dir.c

@@ -49,6 +49,7 @@ unsigned long get_dir_size(char *path){
 }
 
 void get_dir_content(char *path, dir *dir){
+
 	struct dirent **entry = NULL;
 	if (file_modifiers & FILE_MODIFIERS_HIDDEN_FILES) { /* print hidden files */
 		scandir(path, &entry, skip_dot, NULL);
@@ -169,16 +170,16 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 
 	long offset_index = 2; /* only used for the index of the file itself */
 	if (print_info) {
-		if (dir->file_count > 9) {
-
 		#if SETTINGS_LINE_NUMBERS != 0
+		if (dir->file_count > 9) {
 			unsigned long dir_file_count_ = dir->file_count;
 			while(dir_file_count_ > 9) {
 				offset_front++;
 				dir_file_count_ /= 10;
 			}
-			#endif
 		}
+		#endif
+		/* scrolling of the directory if too many files are in a dir */
 		if (selected_file_current > (terminal_height/3)*2 && dir->file_count > terminal_height - 2) {
 			if (selected_file_current + (terminal_height/3) >= dir->file_count) {
 				offset_vertical = dir->file_count - terminal_height+2;
@@ -191,8 +192,6 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 	}
 	for (i = offset_vertical; i < dir->file_count && i < (terminal_height + offset_vertical); i++) {
 
-
-
 		if (print_info) {
 			file_size = dir->file_list[i].file_size;
 			char size_index = -1;
@@ -206,7 +205,7 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 
 			if (dir->file_list[i].file_type & FILE_TYPE_DIR) {
 				offset_back = line_width - (snprintf(NULL,0,"%ld", dir->file_list[i].file_size) + 1);
-			} else if (size_char =='B') {
+			} else if (size_char == size_unit[0]) {
 				offset_back = line_width - (snprintf(NULL,0,"%0.0lf %c", printed_size, size_char) + 1);
 			} else {
 				offset_back = line_width - (snprintf(NULL,0,"%0.2lf %c", printed_size, size_char) + 1);
@@ -216,14 +215,11 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 		}
 
 		if (dir->file_list[i].status & FILE_STATUS_SELECTED) {
+			wattron(win, COLOR_PAIR(8)); /* FIFO, as seen in colors.c */
 			is_selected = 1;
-		} else {
-			is_selected = 0;
-		}
-		if (dir->file_list[i].status & FILE_STATUS_SELECTED) {
-			wattron(win, COLOR_PAIR(8));
 		} else {
 			wattron(win, COLOR_PAIR(dir->file_list[i].color_pair));
+			is_selected = 0;
 		}
 		if (&dir->file_list[i] == dir->current_file) {
 			wattron(win, A_REVERSE);
@@ -231,13 +227,8 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 			for (bg = 0; bg < line_width; bg++) {
 				mvwaddch(win, i-offset_vertical, bg, ' ');
 			}
-
-		} else {
-			wattroff(win, A_REVERSE);
 		}
 
-
-
 		if(print_info) {
 			#if SETTINGS_LINE_NUMBERS == 2
 			long i_ = (selected_file_current) - i;
@@ -272,7 +263,7 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 
 			if (dir->file_list[i].file_type & FILE_TYPE_DIR) {
 				mvwprintw(win, i-offset_vertical, offset_back, "%ld", dir->file_list[i].file_size);
-			}else if (size_char =='B') {
+			}else if (size_char == size_unit[0]) {
 				mvwprintw(win, i-offset_vertical, offset_back, "%0.0lf %c", printed_size, size_char);
 			} else {
 				mvwprintw(win, i-offset_vertical, offset_back, "%0.2lf %c", printed_size, size_char);
@@ -289,11 +280,14 @@ void print_dir(WINDOW *win, char print_info, dir *dir){
 		}
 
 
+		wattrset(win, 0);
+		/*
 		if (dir->file_list[i].status & FILE_STATUS_SELECTED) {
 			wattroff(win, COLOR_PAIR(8));
 		} else {
 			wattroff(win, COLOR_PAIR(dir->file_list[i].color_pair));
 		}
+		*/
 
 	}
 }
@@ -325,7 +319,7 @@ void dir_changed(){
 }
 void change_dir(char *new_path){
 
-	char *old_path = getcwd(NULL, 0);
+	const char *old_path = global_path;
 	current_linked_dir = list_beginning;
 	while (current_linked_dir->next != NULL) {
 		if(strcmp(current_linked_dir->path, old_path) == 0) {
@@ -338,7 +332,12 @@ void change_dir(char *new_path){
 		current_linked_dir->index = mid_dir.current_file - mid_dir.file_list;
 	}
 
-	chdir(new_path);
+	if (chdir(new_path) != 0) {
+		/* i have made the decission that this is a case that i do not want to handle
+		 * god may help me if this ever fails, cuz damn thatll be hard to debug
+		 * especially in like 2 years when i even forgot about this possibility */
+		return;
+	}
 	char *new_path_real = getcwd(NULL, 0);
 
 	current_linked_dir = list_beginning;
@@ -361,7 +360,6 @@ void change_dir(char *new_path){
 	}
 	mid_dir.current_file = &mid_dir.file_list[current_linked_dir->index];
 
-	free(old_path);
 	free(new_path_real);
 
 }
@@ -374,37 +372,3 @@ void dir_init(){
 	current_linked_dir = list_beginning;
 
 }
-
-void recursive_delete(file current_file){
-	/*
-	if (S_ISLNK(current_file.permissions)) {
-		remove(current_file.file_name);
-	} else if (current_file.file_type & FILE_TYPE_DIR ) {
-		unsigned int file_modifiers_tmp = file_modifiers;
-		file_modifiers |= FILE_MODIFIERS_HIDDEN_FILES;
-		unsigned long current_file_count = get_dir_size(current_file.file_name);
-		if (current_file_count != 0) {
-			file *current_dir = malloc(current_file_count * sizeof(file));
-			memset(current_dir, '\0', current_file_count * sizeof(file));
-			get_dir_content(current_file.file_name, &current_file_count, current_dir);
-			if (chdir(current_file.file_name) != 0) {
-				return;
-			}
-			unsigned long i;
-			for (i = 0; i < current_file_count; i++) {
-				recursive_delete(current_dir[i]);
-				free(current_dir[i].file_name);
-			}
-			free(current_dir);
-			if (chdir("..") != 0) {
-				return;
-			}
-		}
-		remove(current_file.file_name);
-		file_modifiers = file_modifiers_tmp;
-		
-	} else {
-		remove(current_file.file_name);
-	}
-	*/
-}

dir.h

@@ -10,4 +10,3 @@ char update_selected_file();
 void dir_set_selected_file_current(unsigned long selected_file_current);
 unsigned long dir_get_selected_file_current();
 void dir_init();
-void recursive_delete(file current_file);

interactions.c

@@ -1,7 +1,6 @@
 #include <curses.h>
 #include <pthread.h>
 #include <dirent.h>
-#include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 
@@ -22,14 +21,12 @@ extern unsigned int terminal_height;
 extern unsigned int terminal_width;
 
 extern unsigned int status;
-extern char *start_path;
 extern char *global_path;
 extern char *input;
 
 extern time_t seed;
 
 char search_buffer[INPUT_BUFFER_SIZE];
-unsigned int input_pass;
 unsigned long parsed_input_number;
 yank yank_files = { 0 };
 
@@ -41,15 +38,18 @@ yank yank_files = { 0 };
 	printf("TODO: %s at %d in %s \n", __func__, __LINE__, __FILE__);\
 	exit(1);
 
-void FAIL(char *function, char *str){
+#define skip_if_empty_dir \
-	printf("ERROR in function %s: %s", function, str);
+	if (mid_dir.current_file == NULL) { \
-}
+		return; \
+	}
+
 void user_interactions() {
 
 
 	char ch;
 	unsigned long i;
 	unsigned long binding_matches = 0;
+	static unsigned int input_pass;
 
 
 	ch = getch();
@@ -79,6 +79,9 @@ void user_interactions() {
 
 	char cmp_len = strlen(input);
 	if(strlen(input) < 1) {
+		/* strlen is 0 every iteration nothing is pressed
+		 * should this be input in the strncmp, it always succeeds.
+		 * this results in all possible bindings being printed at all times */
 		cmp_len = 1;
 	}
 	for (i = 0; i < binding_count; i++) {
@@ -121,10 +124,11 @@ int read_string(WINDOW *win, int y, int x, char *str){
 
 	wmove(win, y, x);
 	while(1) {
-		/*ch = mvwgetch(win, y, x + pass);*/
 		ch = wgetch(win);
 		if (ch == '\n') {
-			err = 0;
+			break;
+		} else if (ch == 27) { /* esc key */
+			err = 1;
 			break;
 		} else if (ch == '\t') { /* tab */
 			memcpy(str + pass, mid_dir.current_file->file_name, strlen(mid_dir.current_file->file_name));
@@ -135,9 +139,6 @@ int read_string(WINDOW *win, int y, int x, char *str){
 				pass--;
 				mvwdelch(win, y, x + pass);
 			}
-		} else if (ch == 27) { /* esc key */
-			err = 1;
-			break;
 		} else {
 			mvwaddch(win, y, x + pass, ch);
 			str[pass] = ch;
@@ -154,7 +155,7 @@ void quit_program(){
 	status = STATUS_QUIT_PROGRAM;
 }
 void update(){
-	status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_MASK | STATUS_RELOAD_DIRECTORY );
+	status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_CLEAR | STATUS_RELOAD_DIRECTORY );
 }
 void select_all(){
 	unsigned long i;
@@ -165,6 +166,8 @@ void select_all(){
 }
 void move_down(unsigned long passes){
 
+	skip_if_empty_dir;
+
 	mid_dir.current_file += passes;
 	if (mid_dir.current_file > mid_dir.file_list + mid_dir.file_count - 1) { 
 		mid_dir.current_file = mid_dir.file_list + mid_dir.file_count - 1;
@@ -174,6 +177,8 @@ void move_down(unsigned long passes){
 }
 void move_up(unsigned long passes){
 
+	skip_if_empty_dir;
+
 	mid_dir.current_file -= passes; 
 	if (mid_dir.current_file < mid_dir.file_list) {
 		mid_dir.current_file = mid_dir.file_list;
@@ -186,11 +191,13 @@ void move_left(unsigned long passes){
 	for (i = 0; i < passes; i++) {
 		change_dir("..");
 	}
-	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void move_right(){
 
+	skip_if_empty_dir
+
 	if (mid_dir.current_file->file_type & FILE_TYPE_DIR) {
 		change_dir(mid_dir.current_file->file_name);
 	} else if (mid_dir.current_file->file_type & FILE_TYPE_EXEC) {
@@ -257,8 +264,8 @@ void move_right(){
 		free(cmd);
 		free(mime);
 	}
-	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void toggle_hidden_files(){
 	file_modifiers ^= FILE_MODIFIERS_HIDDEN_FILES;
@@ -270,6 +277,7 @@ void toggle_selection(unsigned long passes){
 		mid_dir.current_file->status ^= FILE_STATUS_SELECTED;
 		move_down(1);
 	}
+
 	status |= (STATUS_RUN_BACKEND);
 }
 void jump_bottom(){
@@ -281,7 +289,32 @@ void jump_top(){
 	status |= (STATUS_RUN_BACKEND);
 }
 void open_with(){
-	TODO;
+	wclear(win_b);
+	char *cmd;
+	char *str = malloc(INPUT_BUFFER_SIZE);
+	char *parsed_ui_text = parse_cmd(ui_open_with_text, mid_dir.current_file);
+	mvwprintw(win_b, 0, 0, parsed_ui_text);
+
+	if (read_string(win_b, 0, strlen(parsed_ui_text)+1, str) == 0) {
+		if (str[0] == SETTINGS_COMMAND_FORK) {
+			cmd = parse_cmd(str+1, mid_dir.current_file);
+			pid_t pid = fork();
+			if (pid == 0 && setsid()) {
+				system(cmd);
+				status = STATUS_QUIT_PROGRAM;
+				exit(1);
+			}
+		} else {
+			cmd = parse_cmd(str, mid_dir.current_file);
+			if (system(cmd)) {
+			}
+		}
+		free(cmd);
+	}
+	free(parsed_ui_text);
+	free(str);
+
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY | STATUS_UPDATE_SCREEN_CLEAR);
 }
 void rename_hovered(){
 	wclear(win_b);
@@ -289,6 +322,7 @@ void rename_hovered(){
 	tmp.file_name = malloc(INPUT_BUFFER_SIZE);
 	char *parsed_ui_text = parse_cmd(ui_rename_text, mid_dir.current_file);
 	mvwprintw(win_b, 0, 0, parsed_ui_text);
+
 	if (read_string(win_b, 0, strlen(parsed_ui_text)+1, tmp.file_name) == 0) {
 		char *cmd0 = parse_cmd(rename_cmd, mid_dir.current_file);
 		char *cmd1 = parse_cmd(cmd0, &tmp);
@@ -298,11 +332,36 @@ void rename_hovered(){
 	}
 	free(parsed_ui_text);
 	free(tmp.file_name);
-	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
-void delete(){
+void delete(unsigned long passes){
-	TODO;
+
+	unsigned long i;
+	unsigned long del_count = 0;
+	char *cmd;
+
+	for (i = 0; i < mid_dir.file_count; i++) {
+		if (mid_dir.file_list[i].status & FILE_STATUS_SELECTED) {
+			cmd = parse_cmd(del_cmd, &mid_dir.file_list[i]);
+			system(cmd);
+			free(cmd);
+			del_count++;
+		}
+	}
+
+	if (del_count == 0) {
+		for (i = 0; i < passes; i++) {
+			if (&mid_dir.current_file[i] > mid_dir.file_list + mid_dir.file_count) {
+				break;
+			}
+			cmd = parse_cmd(del_cmd, &mid_dir.current_file[i]);
+			system(cmd);
+			free(cmd);
+		}
+	}
+
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void makedir(){
 	wclear(win_b);
@@ -315,6 +374,7 @@ void makedir(){
 		free(cmd);
 	}
 	free(tmp.file_name);
+
 	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void makefile(){
@@ -328,6 +388,7 @@ void makefile(){
 		free(cmd);
 	}
 	free(tmp.file_name);
+
 	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void enter_shell(unsigned long passes, int index){
@@ -343,34 +404,58 @@ void enter_shell(unsigned long passes, int index){
 	curs_set(0);
 
 	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
-
-}
-void not_implemented(unsigned long passes, int index){
-	(void)passes;
-
-	mvaddstr(terminal_height-1, 0, key_binding[index].comment);
-	mvaddstr(terminal_height-1, strlen(key_binding[index].comment), "\t");
-	mvaddstr(terminal_height-1, strlen(key_binding[index].comment) + strlen("\t"), "is not yet implemented");
-	TODO;
 }
 void jump_to_dir(unsigned long passes, int index){
-	TODO;
+	(void)passes;
+
+	unsigned long len;
+	char *c = strchr(key_binding[index].black_magic, '/');
+	if (c) {
+		len = c - (char*)key_binding[index].black_magic;
+	} else {
+		len = strlen(key_binding[index].black_magic);
+	}
+
+	char *to_env = malloc(len + 1);
+	memcpy(to_env, key_binding[index].black_magic, len);
+	to_env[len] = '\0';
+	char *env = getenv(to_env + 1); /*+1 to remove the '$' prefix, freeing env always segfaults*/
+
+	if (env) {
+		char *path = malloc(strlen(key_binding[index].black_magic) + strlen(env) + 1);
+		memcpy(path, env, strlen(env));
+		memcpy(path + strlen(env), key_binding[index].black_magic + len, strlen(key_binding[index].black_magic)+1);
+		change_dir(path);
+		free(path);
+	} else {
+		change_dir(key_binding[index].black_magic);
+	}
+	free(to_env);
+
+	status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_CLEAR | STATUS_RELOAD_DIRECTORY );
 }
 void order_by(unsigned long passes, int index){
 	(void)passes;
 
 	seed = time(NULL);
-
 	order_func = key_binding[index].black_magic;
+
 	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void cmd_on_selected(unsigned long passes, int index){
-	TODO;
+	(void)passes;
+
+	char *cmd = parse_cmd(key_binding[index].black_magic, mid_dir.current_file);
+	system(cmd);
+	free(cmd);
+
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY | STATUS_UPDATE_SCREEN_CLEAR);
 }
 void yank_file_name(){
 	char *cmd = parse_cmd(clipboard_cmd, mid_dir.current_file);
 	system(cmd);
 	free(cmd);
+
 	status |= (STATUS_RUN_BACKEND);
 }
 void yank_file_path(){
@@ -384,15 +469,111 @@ void yank_file_path(){
 	free(cmd);
 	free(tmp->file_name);
 	free(tmp);
+
 	status |= (STATUS_RUN_BACKEND);
+}
+void copy_file(unsigned long passes, int index){
+	(void)passes;
+
+	yank_files.status = key_binding[index].black_magic;
+
+	unsigned long i;
+	unsigned long j = 0;
+
+	char *path = malloc(strlen(global_path)+1); /* im at a loss for words, freeing this always segfaults if yank_files.count != 0
+						       if i use global_path directly or getcwd(NULL, 0), it will segfault at the next free on global_path.
+						       what makes this wierder is, regardless of if the yank_files.count != 0 is true or false, both do the same things
+						       so were going to just leak the size of the path */
+
+	memcpy(path, global_path, strlen(global_path)+1);
+
+	if (yank_files.count != 0) {
+		for (i = 0; i < yank_files.count; i++) {
+			free(yank_files.list[i]);
+		}
+		free(yank_files.list);
+		yank_files.count = 0;
+	}
+
+	for (i = 0; i < mid_dir.file_count; i++) {
+		if (mid_dir.file_list[i].status & FILE_STATUS_SELECTED) {
+			yank_files.count++;
+		}
+	}
+	if (yank_files.count != 0) {
+		yank_files.list = malloc(yank_files.count * sizeof(char*));
+
+		for (i = 0; j < yank_files.count; i++) {
+			if (mid_dir.file_list[i].status & FILE_STATUS_SELECTED) {
+
+				char *str = malloc(strlen(path) + 1 + strlen(mid_dir.current_file->file_name)+1);
+				memcpy(str, path, strlen(path));
+				memcpy(str+strlen(path)+1, mid_dir.file_list[i].file_name, strlen(mid_dir.file_list[i].file_name)+1);
+				str[strlen(path)] = '/';
+
+				yank_files.list[j] = str;
+				j++;
+			}
+		}
+	} else {
+		/*this path is achieved if no file is explicitly selected by the user, thus we assume the user wants the currently hovered file*/
+		yank_files.list = malloc(1 * sizeof(char*));
+
+		char *str = malloc(strlen(path) + 1 + strlen(mid_dir.current_file->file_name)+1);
+		memcpy(str, path, strlen(path));
+		memcpy(str+strlen(path)+1, mid_dir.current_file->file_name, strlen(mid_dir.current_file->file_name)+1);
+		str[strlen(path)] = '/';
+
+		*yank_files.list = str;
+		yank_files.count = 1;
+	}
+
+	/*free(path);*/
 	
 
+	status |= (STATUS_RUN_BACKEND);
 }
-void yank_file(unsigned long passes, int index){
+void paste(unsigned long passes){
-	TODO;
+
-}
+	unsigned long i;
-void paste(){
+	unsigned long j;
-	TODO;
+	file tmp;
+	char *cmd;
+
+	for (j = 0; j < passes; j++) {
+		for (i = 0; i < yank_files.count; i++) {
+
+			char *file_name = strrchr(yank_files.list[i], '/')+1;
+			char *dest_file_name = malloc(strlen(file_name)+1);
+			memcpy(dest_file_name, file_name, strlen(file_name)+1);
+
+
+			tmp.file_name = yank_files.list[i];
+			while(access(dest_file_name, F_OK) == 0) {
+				unsigned long len = strlen(dest_file_name);
+				dest_file_name = realloc(dest_file_name, len+2);
+
+				dest_file_name[len] = '_';
+				dest_file_name[len+1] = 0;
+
+			}
+			if (yank_files.status == COPY_FILE) {
+				cmd = parse_cmd(copy_cmd, &tmp);
+			} else if (yank_files.status == CUT_FILE) {
+				cmd = parse_cmd(cut_cmd, &tmp);
+			} else {
+				free(dest_file_name);
+				continue;
+			}
+			tmp.file_name = dest_file_name;
+			cmd = parse_cmd(cmd, &tmp);
+			system(cmd);
+			free(cmd);
+			free(tmp.file_name);
+		}
+	}
+
+	status |= (STATUS_RUN_BACKEND | STATUS_RELOAD_DIRECTORY);
 }
 void search(){
 	echo();
@@ -410,13 +591,14 @@ void search(){
 
 	unsigned int pass = 0;
 	char ch;
-	char err = 0;
 
 	wmove(win_b, 0, 1);
 	while(1) {
 		ch = wgetch(win_b);
-		if (ch == '\n') {
+		if (ch == '\n' || ch == 27 /* esc key */) {
-			err = 0;
+			/* unlike the other uses of a read string reimplementation, 
+			 * here we do not differentiate between accepting and cancle.
+			 * this is intentional */
 			break;
 		} else if (ch == '\t') { /* tab */
 			memcpy(search_buffer + pass, mid_dir.current_file->file_name, strlen(mid_dir.current_file->file_name));
@@ -427,9 +609,6 @@ void search(){
 				pass--;
 				mvwdelch(win_b, 0, pass+1);
 			}
-		} else if (ch == 27) { /* esc key */
-			err = 1;
-			break;
 		}
 		if (ch) {
 			mvwaddch(win_b, 0, pass+1, ch);
@@ -437,7 +616,6 @@ void search(){
 			pass++;
 
 			unsigned long index = (mid_dir.current_file - mid_dir.file_list);
-			unsigned long x = getmaxx(win_b);
 			for (; &mid_dir.file_list[index] < mid_dir.file_list + mid_dir.file_count; index++) {
 				if (smartstrcasestr(mid_dir.file_list[index].file_name, search_buffer)) {
 					mid_dir.current_file = &mid_dir.file_list[index];
@@ -485,5 +663,58 @@ void search_previous(){
 	status |= (STATUS_RUN_BACKEND);
 }
 void jmp_file_index(){
-	TODO;
+
+
+	char ch;
+	char err = 0;
+	char number_buffer[INPUT_BUFFER_SIZE];
+	char *num = number_buffer;
+
+	unsigned long i;
+	for (i = 0; i < terminal_width -1; i++) {
+		mvwaddch(win_b, 0, i, ' ');
+	}
+	mvwaddch(win_b, 0, 0, ':');
+	memset(search_buffer, 0, INPUT_BUFFER_SIZE);
+
+	curs_set(1);
+	echo();
+	timeout(-1); /* negative numbers block until enter is pressed */
+
+
+	wmove(win_b, 0, 1);
+	while(1) {
+		ch = wgetch(win_b);
+
+		if (ch >= '0' && ch <= '9') {
+			*num = ch;
+			num++;
+		} else if (ch == '\n') {
+			break;
+		} else if (ch == 27) { /* esc key */
+			err = 1;
+			break;
+		} else if (ch == 127) { /* backspace */
+			num--;
+			if (num < number_buffer) {
+				num = number_buffer;
+			}
+		}
+	}
+	*num = 0;
+	num = number_buffer;
+
+	if (err == 0) {
+		unsigned long parsed_number = 0;
+		while(*num) {
+			parsed_number = (parsed_number * 10) + (*num - '0');
+			num++;
+		}
+		mid_dir.current_file = &mid_dir.file_list[parsed_number];
+	}
+
+	noecho();
+	curs_set(0);
+
+	status |= (STATUS_RUN_BACKEND);
 }

interactions.h

@@ -28,7 +28,7 @@ void order_by(unsigned long passes, int index);
 void cmd_on_selected(unsigned long passes, int index);
 void yank_file_name();
 void yank_file_path();
-void yank_file(unsigned long passes, int index);
+void copy_file();
 void paste();
 void search();
 void search_next();

main.c

@@ -9,7 +9,6 @@
 #include "defines.h"
 #include "config.h"
 #include "threading.h"
-#include "window.c"
 #include "colors.h"
 #include "interactions.h"
 
@@ -18,9 +17,8 @@ unsigned int terminal_height;
 unsigned int terminal_width;
 unsigned int temp_heigth = 0; /*used for screen refresh*/
 unsigned int temp_width = 0; 
-unsigned int settings;
 unsigned int file_modifiers = 0;
-unsigned int status = (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_MASK | STATUS_RELOAD_DIRECTORY) & ~STATUS_UPDATE_SCREEN_RESIZE;
+unsigned int status = (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_CLEAR | STATUS_UPDATE_SCREEN_RESIZE | STATUS_RELOAD_DIRECTORY) & ~STATUS_UPDATE_SCREEN_RESIZE;
 char *global_path;
 time_t seed;
 
@@ -149,9 +147,8 @@ void render_pass(){
 		mvwin(win_b, terminal_height-1, 0);
 
 	}
-	if (pthread_mutex_lock(&mutex_render) == 0 || status & STATUS_UPDATE_SCREEN_MASK) {
+	if (pthread_mutex_lock(&mutex_render) == 0) {
 		doupdate();
-		status &= ~STATUS_UPDATE_SCREEN_MASK;
 		pthread_mutex_unlock(&mutex_render);
 	}
 }

threading.c

@@ -85,6 +85,7 @@ void *thread_mid(){
 				
 			} else { /* the hovered dir is empty */
 				mid_dir.current_file = NULL;
+				mid_dir.file_list = NULL;
 			}
 
 			unsigned long i;
@@ -95,12 +96,14 @@ void *thread_mid(){
 
 		}
 
+		if (mid_dir.current_file != NULL) {
 			if (mid_dir.current_file > mid_dir.file_list + mid_dir.file_count - 1) {
 				mid_dir.current_file = mid_dir.file_list + mid_dir.file_count - 1;
 			}
 			if (mid_dir.current_file < mid_dir.file_list) {
 				mid_dir.current_file = mid_dir.file_list;
 			}
+		}
 
 		pthread_mutex_unlock(&mutex_mid);
 
@@ -204,6 +207,7 @@ void *thread_rgt(){
 
 		pthread_mutex_lock(&mutex_mid);
 
+		if (mid_dir.current_file != NULL) {
 			char *file_name = malloc(strlen(mid_dir.current_file->file_name)+1);
 			file_name = memcpy(file_name, mid_dir.current_file->file_name, strlen(mid_dir.current_file->file_name)+1);
 
@@ -212,12 +216,17 @@ void *thread_rgt(){
 			rgt_dir.file_list->file_name = file_name;
 			rgt_dir.current_file = rgt_dir.file_list;
 			rgt_dir.file_count = 1;
+		} else {
+			rgt_dir.current_file = NULL;
+			rgt_dir.file_list = NULL;
+			rgt_dir.file_count = 0;
+		}
 
 		pthread_mutex_unlock(&mutex_mid);
 
 
 
-		if (rgt_dir.current_file->permissions & S_IRUSR) {
+		if (rgt_dir.current_file != NULL && rgt_dir.current_file->permissions & S_IRUSR) {
 			if (rgt_dir.current_file->file_type & FILE_TYPE_DIR) {
 				#if SETTINGS_UEBERZUG_IMAGE_PREVIEW != 0
 				images_clear();
@@ -288,13 +297,18 @@ void *thread_top(){
 
 		pthread_mutex_lock(&mutex_mid);
 
+		if (mid_dir.current_file != NULL) {
 			top_buffer = malloc(strlen(global_path)+1 + strlen(mid_dir.current_file->file_name)+1);
 			memcpy(top_buffer, global_path, strlen(global_path));
 			memcpy(top_buffer + strlen(global_path) + 1, mid_dir.current_file->file_name, strlen(mid_dir.current_file->file_name)+1);
 
-		pthread_mutex_unlock(&mutex_mid);
 			top_buffer[strlen(global_path)] = '/';
 			top_width = strlen(top_buffer);
+		} else {
+			top_buffer = malloc(strlen(global_path)+1);
+			memcpy(top_buffer, global_path, strlen(global_path)+1);
+		}
+		pthread_mutex_unlock(&mutex_mid);
 
 
 		/* rendering */
@@ -404,6 +418,7 @@ void *thread_btm(){
 
 		memcpy(btm_buffer + buffer_width - ui_btm_right_block_size, ui_btm_right_block, ui_btm_right_block_size);
 
+		if (mid_dir.current_file != NULL) {
 			btm_buffer[0] = (S_ISLNK(mid_dir.current_file->permissions)) ? 'l': 
 					(S_ISDIR(mid_dir.current_file->permissions)  ? 'd': '-');
 			btm_buffer[1] = (mid_dir.current_file->permissions & S_IRUSR) ? 'r' : '-';
@@ -415,6 +430,7 @@ void *thread_btm(){
 			btm_buffer[7] = (mid_dir.current_file->permissions & S_IROTH) ? 'r' : '-';
 			btm_buffer[8] = (mid_dir.current_file->permissions & S_IWOTH) ? 'w' : '-';
 			btm_buffer[9] = (mid_dir.current_file->permissions & S_IXOTH) ? 'x' : '-';
+		}
 
 
 

window.c

@@ -1,118 +0,0 @@
-#include <curses.h>
-#include <pthread.h>
-#include <unistd.h>
-
-#include "defines.h"
-#include "dir.h"
-
-extern unsigned int terminal_height;
-extern unsigned int terminal_width;
-extern unsigned int status;
-extern char *input;
-
-extern unsigned int timeout_time;
-extern unsigned int color_count;
-extern color *colors;
-
-extern dir rgt_dir;
-extern dir mid_dir;
-extern dir lft_dir;
-extern char *top_buffer;
-extern char *rgt_buffer;
-extern char *btm_buffer;
-
-
-extern unsigned long top_width;
-
-extern pthread_mutex_t mutex_top;
-extern pthread_mutex_t mutex_btm;
-extern pthread_mutex_t mutex_lft;
-extern pthread_mutex_t mutex_mid;
-extern pthread_mutex_t mutex_rgt;
-
-void window_top(WINDOW *win){
-
-	if (pthread_mutex_trylock(&mutex_top) == 0) {
-		if (*top_buffer != ' ') { /*printing ' ' (standard initialized value, see threading_init) makes valgrind throw a fuss*/
-			wattron(win, COLOR_PAIR(COLOR_PATH));
-			mvwaddstr(win, 0, 0, top_buffer);
-			mvwaddch(win, 0, strlen(top_buffer), '/');
-			wattroff(win, COLOR_PAIR(COLOR_PATH));
-			if (mid_dir.file_count != 0) {
-				mvwaddstr(win, 0, strlen(top_buffer)+1, mid_dir.current_file->file_name);
-			}
-		}
-		pthread_mutex_unlock(&mutex_top);
-	} else {
-		mvwaddstr(win, 0, terminal_width/2, "LOADING"); 
-		/*
-		status |= STATUS_UPDATE_SCREEN_GENERIC;
-		*/
-	}
-}
-void window_btm(WINDOW *win){
-
-	if (pthread_mutex_trylock(&mutex_btm) == 0) {
-		if (*top_buffer != ' ') { /*printing ' ' (standard initialized value, see threading_init) makes valgrind throw a fuss*/
-			mvwprintw(win, 0, 0, "%s", btm_buffer);
-		}
-		pthread_mutex_unlock(&mutex_btm);
-		/*the printing of the input char is done in user_interactions*/
-		/*the printing of all possible inputs are done in user_interactions */
-	}  else {
-		mvwaddstr(win, 0, terminal_width/2, "LOADING"); 
-		/*
-		status |= STATUS_UPDATE_SCREEN_GENERIC;
-		*/
-	}
-}
-void window_lft(WINDOW *win){
-
-	if (pthread_mutex_trylock(&mutex_lft) == 0) {
-		print_dir(win, 0, &lft_dir);
-		pthread_mutex_unlock(&mutex_lft);
-
-	} else {
-		mvwaddstr(win, terminal_height/2, terminal_width/8, "LOADING"); 
-		/*
-		status |= STATUS_UPDATE_SCREEN_GENERIC;
-		*/
-	}
-}
-void window_mid(WINDOW *win){
-
-	if (pthread_mutex_trylock(&mutex_mid) == 0) {
-		if (mid_dir.file_count == 0) {
-			mvwaddstr(win, 0, 0, "empty");
-		} else {
-			print_dir(win, 1, &mid_dir);
-		}
-		pthread_mutex_unlock(&mutex_mid);
-	} else {
-		mvwaddstr(win, terminal_height/2, terminal_width/4, "LOADING"); 
-		/*
-		status |= STATUS_UPDATE_SCREEN_GENERIC;
-		*/
-	}
-}
-void window_rgt(WINDOW *win){
-
-	if (pthread_mutex_trylock(&mutex_rgt) == 0) {
-		if (!rgt_dir.current_file) {
-			mvwaddstr(win, 0, 0, "not accessible");
-		}else if (rgt_dir.current_file->file_type == FILE_TYPE_OPEN_FILE) {
-			mvwaddnstr(win, 0, 0, rgt_buffer, (terminal_width/2) * terminal_width);
-		} else if ((rgt_dir.current_file->permissions & S_IRUSR) == 0) {
-			mvwaddstr(win, 0, 0, "not accessible");
-		} else {
-			print_dir(win, 0, &rgt_dir);
-		}
-
-		pthread_mutex_unlock(&mutex_rgt);
-	} else {
-		mvwaddstr(win, terminal_height/2, terminal_width/4, "LOADING"); 
-		/*
-		status |= STATUS_UPDATE_SCREEN_GENERIC;
-		*/
-	}
-}

window.h

@@ -1,7 +0,0 @@
-#include "window.c"
-
-void window_top(WINDOW *win);
-void window_btm(WINDOW *win);
-void window_lft(WINDOW *win);
-void window_mid(WINDOW *win);
-void window_rgt(WINDOW *win);