use 'e' key to edit file and fix file content showing in preview
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parent
44d8df66d1
commit
2acda7768c
1 changed files with 58 additions and 30 deletions
88
ccc.c
88
ccc.c
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@ -23,6 +23,7 @@ typedef struct {
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void list_files(char *path);
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void highlight_current_line();
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void show_file_content();
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void edit_file();
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void init_windows();
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void draw_border_title(WINDOW *window, bool active);
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@ -30,7 +31,7 @@ void draw_border_title(WINDOW *window, bool active);
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unsigned int focus = 0;
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long current_selection = 0;
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int half_width;
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WIN_STRUCT windows[3];
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WIN_STRUCT windows[4];
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int main(int argc, char** argv)
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{
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@ -123,6 +124,9 @@ int main(int argc, char** argv)
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break;
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}
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break;
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case 'e':
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edit_file();
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break;
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case 27: /* esc */
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break;
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case KEY_RESIZE:
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@ -188,8 +192,8 @@ void highlight_current_line()
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wattron(windows[0].window, COLOR_PAIR(1));
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/* update the panel */
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wclear(windows[2].window);
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wprintw(windows[2].window, "(%ld/%ld) %s", i + 1, files_len(),
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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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}
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/* print the actual filename */
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@ -200,7 +204,7 @@ void highlight_current_line()
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}
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wrefresh(windows[0].window);
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wrefresh(windows[2].window);
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wrefresh(windows[3].window);
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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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@ -212,51 +216,75 @@ 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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if (file) {
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wclear(windows[1].window);
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wclear(windows[2].window);
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draw_border_title(windows[1].window, true);
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fseek(file, 0, SEEK_END);
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/* check if file isn't empty */
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long length = ftell(file);
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if (length != 0) {
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fseek(file, 0, SEEK_SET);
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/* check if file isn't empty */
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if (length != 0 && length < 4096) {
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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[1].window, 1, 1, "%s", buffer);
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wrefresh(windows[1].window);
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mvwprintw(windows[2].window, 0, 0, "%s", buffer);
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wrefresh(windows[2].window);
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} else {
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wclear(windows[1].window);
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wclear(windows[2].window);
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}
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fclose(file);
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}
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}
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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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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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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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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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system(command);
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reset_prog_mode(); /* return to previous tty mode */
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refresh(); /* store the screen contents */
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//execle(editor, filename);
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}
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}
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void init_windows()
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{
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/*-----------------------------+
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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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/*------------------------------+
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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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| ||-------------||
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+==========panel (2)===========*/
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/* lines, cols, y, x */
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WINDOW *directory = newwin(LINES, half_width, 0, 0 );
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WINDOW *preview = newwin(LINES, half_width, 0, half_width);
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WINDOW *panel = newwin(PH, COLS, LINES - PH, 0 );
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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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/* draw border around windows */
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draw_border_title(directory, true);
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draw_border_title(preview, false);
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draw_border_title(preview_content, 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, 1, 0, half_width };
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windows[2] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
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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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}
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/*
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