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use 'e' key to edit file and fix file content showing in preview

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Night Kaly 2024-03-11 15:57:41 +00:00
parent 44d8df66d1
commit 2acda7768c
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GPG key ID: 8E829D3381CFEBBE
1 changed files with 58 additions and 30 deletions
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ccc.c
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@ -23,6 +23,7 @@ typedef struct {
void list_files(char *path);
void highlight_current_line();
void show_file_content();
void edit_file();
void init_windows();
void draw_border_title(WINDOW *window, bool active);
@ -30,7 +31,7 @@ void draw_border_title(WINDOW *window, bool active);
unsigned int focus = 0;
long current_selection = 0;
int half_width;
WIN_STRUCT windows[3];
WIN_STRUCT windows[4];
int main(int argc, char** argv)
{
@ -123,6 +124,9 @@ int main(int argc, char** argv)
break;
}
break;
case 'e':
edit_file();
break;
case 27: /* esc */
break;
case KEY_RESIZE:
@ -188,8 +192,8 @@ void highlight_current_line()
wattron(windows[0].window, COLOR_PAIR(1));
/* update the panel */
wclear(windows[2].window);
wprintw(windows[2].window, "(%ld/%ld) %s", i + 1, files_len(),
wclear(windows[3].window);
wprintw(windows[3].window, "(%ld/%ld) %s", i + 1, files_len(),
getcwd(cwd, sizeof(cwd)));
}
/* print the actual filename */
@ -200,7 +204,7 @@ void highlight_current_line()
}
wrefresh(windows[0].window);
wrefresh(windows[2].window);
wrefresh(windows[3].window);
/* show file content every time cursor changes */
show_file_content();
}
@ -212,51 +216,75 @@ void show_file_content()
{
FILE *file = fopen(get_filename((long) current_selection), "rb");
if (file) {
wclear(windows[1].window);
wclear(windows[2].window);
draw_border_title(windows[1].window, true);
fseek(file, 0, SEEK_END);
/* check if file isn't empty */
long length = ftell(file);
if (length != 0) {
fseek(file, 0, SEEK_SET);
/* check if file isn't empty */
if (length != 0 && length < 4096) {
fseek(file, 0, SEEK_SET); /* set cursor back to start of file */
char *buffer = memalloc(length * sizeof(char));
fread(buffer, 1, length, file);
mvwprintw(windows[1].window, 1, 1, "%s", buffer);
wrefresh(windows[1].window);
mvwprintw(windows[2].window, 0, 0, "%s", buffer);
wrefresh(windows[2].window);
} else {
wclear(windows[1].window);
wclear(windows[2].window);
}
fclose(file);
}
}
/*
* Opens $EDITOR to edit the file
*/
void edit_file() {
char *editor = getenv("EDITOR");
if (editor == NULL) {
wclear(windows[3].window);
wprintw(windows[3].window, "Cannot get EDITOR variable, is it defined?");
wrefresh(windows[3].window);
return;
} else {
def_prog_mode(); /* save the tty modes */
endwin(); /* end curses mode temporarily */
char *filename = get_filename(current_selection);
int length = strlen(editor) + strlen(filename) + 2; /* one for space one for nul */
char command[length];
snprintf(command, length, "%s %s", editor, filename);
system(command);
reset_prog_mode(); /* return to previous tty mode */
refresh(); /* store the screen contents */
//execle(editor, filename);
}
}
void init_windows()
{
/*-----------------------------+
| | |
| | |
| directory (0) | preview (1) |
| | |
| | |
| | |
+==========panel (2)==========*/
/*------------------------------+
| ||-------------||
| || ||
| directory (0) || preview (1)||
| || ||
| || ||
| ||-------------||
+==========panel (2)===========*/
/* lines, cols, y, x */
WINDOW *directory = newwin(LINES, half_width, 0, 0 );
WINDOW *preview = newwin(LINES, half_width, 0, half_width);
WINDOW *directory = newwin(LINES - PH, half_width, 0, 0 );
WINDOW *preview_border = newwin(LINES - PH, half_width, 0, half_width );
WINDOW *preview_content = newwin(LINES - PH - 2, half_width - 2, 1, half_width + 1);
WINDOW *panel = newwin(PH, COLS, LINES - PH, 0 );
/* draw border around windows */
draw_border_title(directory, true);
draw_border_title(preview, false);
draw_border_title(preview_content, false);
/* window location y, x */
windows[0] = (WIN_STRUCT) { directory, 0, 0, 0 };
windows[1] = (WIN_STRUCT) { preview, 1, 0, half_width };
windows[2] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
windows[1] = (WIN_STRUCT) { preview_border, 1, 0, half_width };
windows[2] = (WIN_STRUCT) { preview_content, 1, 0, half_width };
windows[3] = (WIN_STRUCT) { panel, 2, LINES - PH, 0 };
}
/*