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1 | /* Copyright (C) 2008 Ricardo Catalinas Jiménez <jimenezrick@gmail.com> |
2 | * | |
3 | * This program is free software: you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation, either version 3 of the License, or | |
6 | * (at your option) any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | ||
17 | #include "fm.h" | |
18 | ||
19 | void get_key(void) | |
20 | { | |
21 | static int command_repetitions = -1; | |
22 | static chtype previous_key = 0; | |
23 | char *info; | |
24 | chtype key; | |
25 | ||
26 | key = getch(); | |
27 | if (key != KEY_RESIZE) | |
28 | clear_info(); | |
29 | ||
30 | if (isdigit(key)) { | |
31 | if (command_repetitions == -1) | |
32 | command_repetitions = key - '0'; | |
33 | else { | |
34 | command_repetitions *= 10; | |
35 | command_repetitions += key - '0'; | |
36 | } | |
37 | previous_key = key; | |
38 | ||
39 | return; | |
40 | } | |
41 | ||
42 | if (previous_key == 'f') { | |
43 | select_next_line_by_first_letter((char) key); | |
44 | command_repetitions = -1; | |
45 | previous_key = 0; | |
46 | ||
47 | return; | |
48 | } else if (previous_key == 'F') { | |
49 | select_previous_line_by_first_letter((char) key); | |
50 | command_repetitions = -1; | |
51 | previous_key = 0; | |
52 | ||
53 | return; | |
54 | } | |
55 | ||
56 | if (command_repetitions == -1) | |
57 | command_repetitions = 1; | |
58 | ||
59 | switch (key) { | |
60 | case KEY_RESIZE: | |
61 | endwin(); | |
62 | init_curses(); | |
63 | update_last_line(); | |
64 | print_lines(first_line, last_line, TRUE); | |
65 | select_line_inside_window(); | |
66 | PRINT_LAST_INFO(); | |
67 | break; | |
68 | case 0x0c: /* Ctrl + l */ | |
69 | clearok(curscr, TRUE); | |
70 | if (!G_NODE_IS_ROOT(NODE(selected_line))) | |
71 | select_file(NODE(selected_line)->parent); | |
72 | update_directory(NODE(selected_line)); | |
73 | break; | |
74 | case 0x1b: /* Escape */ | |
75 | command_repetitions = -1; | |
76 | previous_key = 0; | |
77 | ||
78 | return; | |
79 | case KEY_NPAGE: | |
80 | case 0x06: /* Ctrl + f */ | |
81 | select_line(last_line); | |
82 | scroll_tree(command_repetitions * (getmaxy(tree_window) - 1)); | |
83 | break; | |
84 | case KEY_PPAGE: | |
85 | case 0x02: /* Ctrl + b */ | |
86 | select_line(first_line); | |
87 | scroll_tree(command_repetitions * (-(getmaxy(tree_window) - 1))); | |
88 | break; | |
89 | case 0x04: /* Ctrl + d */ | |
90 | scroll_tree(command_repetitions * getmaxy(tree_window) / 2); | |
91 | select_nth_line(command_repetitions * getmaxy(tree_window) / 2); | |
92 | break; | |
93 | case 0x15: /* Ctrl + u */ | |
94 | scroll_tree(command_repetitions * -getmaxy(tree_window) / 2); | |
95 | select_nth_line(command_repetitions * -getmaxy(tree_window) / 2); | |
96 | break; | |
97 | case 'g': | |
98 | if (previous_key == 'g') | |
99 | select_line(lines); | |
100 | break; | |
101 | case 'G': | |
102 | select_line(g_list_last(lines)); | |
103 | break; | |
104 | case 0x07: /* Ctrl + g */ | |
105 | if ((info = get_file_info(NODE(selected_line))) != NULL) { | |
106 | print_info(info, FALSE); | |
107 | free(info); | |
108 | } | |
109 | break; | |
110 | case 'z': | |
111 | if (previous_key == 'z') | |
112 | scroll_tree(g_list_position(first_line, selected_line) - | |
113 | getmaxy(tree_window) / 2); | |
114 | break; | |
115 | case 'H': | |
116 | select_line(first_line); | |
117 | break; | |
118 | case 'L': | |
119 | select_line(last_line); | |
120 | break; | |
121 | case KEY_DOWN: | |
122 | case 'j': | |
123 | select_nth_line(command_repetitions); | |
124 | break; | |
125 | case KEY_UP: | |
126 | case 'k': | |
127 | select_nth_line(-command_repetitions); | |
128 | break; | |
129 | case KEY_RIGHT: | |
130 | case 'l': | |
131 | if (FILE(NODE(selected_line))->type == directory_type && | |
132 | FILE(NODE(selected_line))->open == FALSE) | |
133 | open_directory(NODE(selected_line)); | |
134 | else if (FILE(NODE(selected_line))->type == directory_type && | |
135 | FILE(NODE(selected_line))->open == TRUE && | |
136 | FILE(NODE(selected_line))->show_dotfiles == FALSE) | |
137 | show_dotfiles(NODE(selected_line)); | |
138 | else if (FILE(NODE(selected_line))->type == file_type) | |
139 | read_file(NODE(selected_line)); | |
140 | break; | |
141 | case KEY_LEFT: | |
142 | case 'h': | |
143 | close_parent: if (FILE(NODE(selected_line))->type == directory_type && | |
144 | FILE(NODE(selected_line))->open == TRUE && | |
145 | FILE(NODE(selected_line))->show_dotfiles == TRUE && | |
146 | !G_NODE_IS_LEAF(NODE(selected_line)) && | |
147 | FILE(g_node_first_child(NODE(selected_line)))->name[0] == '.') | |
148 | hide_dotfiles(NODE(selected_line)); | |
149 | else if (FILE(NODE(selected_line))->type == directory_type && | |
150 | FILE(NODE(selected_line))->open == TRUE && | |
151 | !G_NODE_IS_LEAF(NODE(selected_line))) | |
152 | close_directory(NODE(selected_line)); | |
153 | else if (!G_NODE_IS_ROOT(NODE(selected_line))) { | |
154 | select_file(NODE(selected_line)->parent); | |
155 | goto close_parent; | |
156 | } | |
157 | break; | |
158 | case 'q': | |
159 | endwin(); | |
160 | exit(EXIT_SUCCESS); | |
161 | break; | |
162 | case '{': | |
163 | if (g_node_prev_sibling(NODE(selected_line)) != NULL) | |
164 | select_file(g_node_prev_sibling(NODE(selected_line))); | |
165 | else | |
166 | select_nth_line(-1); | |
167 | break; | |
168 | case '}': | |
169 | if (g_node_next_sibling(NODE(selected_line)) != NULL) | |
170 | select_file(g_node_next_sibling(NODE(selected_line))); | |
171 | else | |
172 | select_nth_line(1); | |
173 | break; | |
174 | case '[': | |
175 | if (previous_key == '[' && !G_NODE_IS_ROOT(NODE(selected_line))) | |
176 | select_file(NODE(selected_line)->parent); | |
177 | break; | |
178 | case 's': | |
179 | if (!G_NODE_IS_ROOT(NODE(selected_line))) | |
180 | run_shell(NODE(selected_line)->parent); | |
181 | else | |
182 | run_shell(NODE(selected_line)); | |
183 | break; | |
184 | case KEY_ENTER: | |
185 | case 0x0d: /* Enter */ | |
186 | if (FILE(NODE(selected_line))->type == file_type) | |
187 | edit_file(NODE(selected_line)); | |
188 | break; | |
189 | } | |
190 | if (key != KEY_RESIZE) { | |
191 | command_repetitions = -1; | |
192 | previous_key = key; | |
193 | } | |
194 | } | |
195 | ||
196 | void run_program(GNode *current_directory, char *program_name_variable, | |
197 | char *default_program_name, char *arg, gboolean wait_proccess) | |
198 | { | |
199 | char *path, *pwd, *program_name; | |
200 | pid_t child; | |
201 | int status; | |
202 | ||
203 | endwin(); | |
204 | if ((child = fork()) != 0 && wait_proccess) { | |
205 | unset_sighandlers(); | |
206 | waitpid(child, &status, 0); | |
207 | set_sighandlers(); | |
208 | } else if (child == 0) { | |
209 | path = get_path(current_directory); | |
210 | if (chdir(path) == -1) | |
211 | exit(EXIT_FAILURE); | |
212 | pwd = g_strconcat("PWD=", path, NULL); | |
213 | putenv(pwd); | |
214 | free(path); | |
215 | ||
216 | if (!wait_proccess) { | |
217 | close(0); | |
218 | close(1); | |
219 | close(2); | |
220 | } | |
221 | ||
222 | if (program_name_variable != NULL && | |
223 | (program_name = getenv(program_name_variable)) != NULL) { | |
224 | if (execlp(program_name, program_name, arg, NULL) == -1) | |
225 | exit(EXIT_FAILURE); | |
226 | } else { | |
227 | if (execlp(default_program_name, default_program_name, arg, NULL) == -1) | |
228 | exit(EXIT_FAILURE); | |
229 | } | |
230 | } | |
231 | init_curses(); | |
232 | update_last_line(); | |
233 | print_lines(first_line, last_line, TRUE); | |
234 | select_line_inside_window(); | |
235 | ||
236 | if (wait_proccess && WIFEXITED(status) && WEXITSTATUS(status) != EXIT_SUCCESS) | |
237 | PRINT_ERROR_INFO("Something failed when running the external program"); | |
238 | } | |
239 | ||
240 | void run_shell(GNode *directory) | |
241 | { | |
242 | run_program(directory, "SHELL", DEFAULT_SHELL, NULL, TRUE); | |
243 | } | |
244 | ||
245 | void read_file(GNode *file) | |
246 | { | |
247 | if (g_str_has_suffix(FILE(file)->name, ".pdf") || | |
248 | g_str_has_suffix(FILE(file)->name, ".pdf.gz") || | |
249 | g_str_has_suffix(FILE(file)->name, ".pdf.Z")) | |
250 | run_program(file->parent, NULL, DEFAULT_PDF_VIEWER, FILE(file)->name, FALSE); | |
251 | else if (g_str_has_suffix(FILE(file)->name, ".ps") || | |
252 | g_str_has_suffix(FILE(file)->name, ".ps.gz") || | |
253 | g_str_has_suffix(FILE(file)->name, ".ps.Z")) | |
254 | run_program(file->parent, NULL, DEFAULT_PS_VIEWER, FILE(file)->name, FALSE); | |
255 | else if (g_str_has_suffix(FILE(file)->name, ".jpg") || | |
256 | g_str_has_suffix(FILE(file)->name, ".jpeg") || | |
257 | g_str_has_suffix(FILE(file)->name, ".png") || | |
258 | g_str_has_suffix(FILE(file)->name, ".gif")) | |
259 | run_program(file->parent, NULL, DEFAULT_IMAGE_VIEWER, FILE(file)->name, FALSE); | |
260 | else | |
261 | run_program(file->parent, "PAGER", DEFAULT_PAGER, FILE(file)->name, TRUE); | |
262 | } | |
263 | ||
264 | void edit_file(GNode *file) | |
265 | { | |
266 | run_program(file->parent, "EDITOR", DEFAULT_EDITOR, FILE(file)->name, TRUE); | |
267 | } |