Exemplo n.º 1
0
/*
 * Display a gauge, or progress meter.  Starts at percent% and reads stdin.  If
 * stdin is not XXX, then it is interpreted as a percentage, and the display is
 * updated accordingly.  Otherwise the next line is the percentage, and
 * subsequent lines up to another XXX are used for the new prompt.  Note that
 * the size of the window never changes, so the prompt can not get any larger
 * than the height and width specified.
 */
int
dialog_gauge(const char *title,
	     const char *cprompt,
	     int height,
	     int width,
	     int percent)
{
    int fkey;
    int ch, result;
    void *objptr = dlg_allocate_gauge(title, cprompt, height, width, percent);
    MY_OBJ *obj = (MY_OBJ *) objptr;

    dlg_add_callback_ref((DIALOG_CALLBACK **) & obj, my_cleanup);
    dlg_update_gauge(obj, percent);

    dlg_trace_win(obj->obj.win);
    do {
	ch = dlg_getc(obj->obj.win, &fkey);
#ifdef KEY_RESIZE
	if (fkey && ch == KEY_RESIZE) {
	    MY_OBJ *oldobj = obj;

	    dlg_mouse_free_regions();

	    obj = dlg_allocate_gauge(title,
				     cprompt,
				     height,
				     width,
				     oldobj->percent);

	    /* avoid breaking new window in dlg_remove_callback */
	    oldobj->obj.caller = 0;
	    oldobj->obj.input = 0;
	    oldobj->obj.keep_win = FALSE;

	    /* remove the old version of the gauge */
	    dlg_clear();
	    dlg_remove_callback(&(oldobj->obj));
	    refresh();

	    dlg_add_callback_ref((DIALOG_CALLBACK **) & obj, my_cleanup);
	    dlg_update_gauge(obj, obj->percent);
	}
#endif
    }
    while (valid(obj) && handle_my_getc(&(obj->obj), ch, fkey, &result));

    dlg_free_gauge(obj);

    return (DLG_EXIT_OK);
}
Exemplo n.º 2
0
/*
 * Display text from a file in a dialog box, like in a "tail -f".
 */
int
dialog_tailbox(const char *title, const char *file, int height, int width, int bg_task)
{
    /* *INDENT-OFF* */
    static DLG_KEYS_BINDING binding[] = {
	HELPKEY_BINDINGS,
	ENTERKEY_BINDINGS,
	DLG_KEYS_DATA( DLGK_BEGIN,      '0' ),
	DLG_KEYS_DATA( DLGK_BEGIN,      KEY_BEG ),
	DLG_KEYS_DATA( DLGK_GRID_LEFT,  'H' ),
	DLG_KEYS_DATA( DLGK_GRID_LEFT,  'h' ),
	DLG_KEYS_DATA( DLGK_GRID_LEFT,  KEY_LEFT ),
	DLG_KEYS_DATA( DLGK_GRID_RIGHT, 'L' ),
	DLG_KEYS_DATA( DLGK_GRID_RIGHT, 'l' ),
	DLG_KEYS_DATA( DLGK_GRID_RIGHT, KEY_RIGHT ),
	END_KEYS_BINDING
    };
    /* *INDENT-ON* */

#ifdef KEY_RESIZE
    int old_height = height;
    int old_width = width;
#endif
    int fkey;
    int x, y, result, thigh;
    WINDOW *dialog, *text;
    const char **buttons = 0;
    MY_OBJ *obj;
    FILE *fd;
    int min_width = 12;

    /* Open input file for reading */
    if ((fd = fopen(file, "rb")) == NULL)
	dlg_exiterr("Can't open input file in dialog_tailbox().");

#ifdef KEY_RESIZE
  retry:
#endif
    dlg_auto_sizefile(title, file, &height, &width, 2, min_width);
    dlg_print_size(height, width);
    dlg_ctl_size(height, width);

    x = dlg_box_x_ordinate(width);
    y = dlg_box_y_ordinate(height);
    thigh = height - ((2 * MARGIN) + (bg_task ? 0 : 2));

    dialog = dlg_new_window(height, width, y, x);

    dlg_mouse_setbase(x, y);

    /* Create window for text region, used for scrolling text */
    text = dlg_sub_window(dialog,
			  thigh,
			  width - (2 * MARGIN),
			  y + MARGIN,
			  x + MARGIN);

    dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
    dlg_draw_bottom_box(dialog);
    dlg_draw_title(dialog, title);
    dlg_draw_helpline(dialog, FALSE);

    if (!bg_task) {
	buttons = dlg_exit_label();
	dlg_button_layout(buttons, &min_width);
	dlg_draw_buttons(dialog, height - (2 * MARGIN), 0, buttons, FALSE,
			 FALSE, width);
    }

    (void) wmove(dialog, thigh, (MARGIN + 1));
    (void) wnoutrefresh(dialog);

    obj = dlg_calloc(MY_OBJ, 1);
    assert_ptr(obj, "dialog_tailbox");

    obj->obj.input = fd;
    obj->obj.win = dialog;
    obj->obj.handle_getc = handle_my_getc;
    obj->obj.handle_input = bg_task ? handle_input : 0;
    obj->obj.keep_bg = bg_task && dialog_vars.cant_kill;
    obj->obj.bg_task = bg_task;
    obj->text = text;
    obj->buttons = buttons;
    dlg_add_callback(&(obj->obj));

    dlg_register_window(dialog, "tailbox", binding);
    dlg_register_buttons(dialog, "tailbox", buttons);

    /* Print last page of text */
    dlg_attr_clear(text, thigh, getmaxx(text), dialog_attr);
    repaint_text(obj);

    if (bg_task) {
	result = DLG_EXIT_OK;
    } else {
	int ch;
	do {
	    ch = dlg_getc(dialog, &fkey);
#ifdef KEY_RESIZE
	    if (fkey && ch == KEY_RESIZE) {
		/* reset data */
		height = old_height;
		width = old_width;
		/* repaint */
		dlg_clear();
		dlg_del_window(dialog);
		refresh();
		dlg_mouse_free_regions();
		dlg_button_layout(buttons, &min_width);
		goto retry;
	    }
#endif
	}
	while (handle_my_getc(&(obj->obj), ch, fkey, &result));
    }
    dlg_mouse_free_regions();
    return result;
}