winwidget.c

	if ((winwid->im_h * winwid->zoom) > winwid->h) {
		min_y = far_top;
		max_y = 0;
	} else {
		min_y = 0;
		max_y = far_top;
	}
	if (winwid->im_x > max_x)
		winwid->im_x = max_x;
	if (winwid->im_x < min_x)
		winwid->im_x = min_x;
	if (winwid->im_y > max_y)
		winwid->im_y = max_y;
	if (winwid->im_y < min_y)
		winwid->im_y = min_y;

	return;
}

void winwidget_size_to_image(winwidget winwid)
{
	winwidget_resize(winwid, winwid->im_w * winwid->zoom, winwid->im_h * winwid->zoom);
	winwid->im_x = winwid->im_y = 0;
	winwidget_render_image(winwid, 0, 0);
	return;
}

void winwidget_set_pointer(winwidget winwid, int visible)
{
	Cursor no_ptr;
	XColor black, dummy;
	Pixmap bm_no;
	static char bm_no_data[] = { 0, 0, 0, 0, 0, 0, 0, 0 };

	if (visible)
		XUndefineCursor(disp, winwid->win);
	else {
		bm_no = XCreateBitmapFromData(disp, winwid->win, bm_no_data, 8, 8);
		XAllocNamedColor(disp, DefaultColormapOfScreen(DefaultScreenOfDisplay(disp)), "black", &black, &dummy);

		no_ptr = XCreatePixmapCursor(disp, bm_no, bm_no, &black, &black, 0, 0);
		XDefineCursor(disp, winwid->win, no_ptr);
	}
}

int winwidget_get_width(winwidget winwid)
{
	int rect[4];
	winwidget_get_geometry(winwid, rect);
	return(rect[2]);
}

int winwidget_get_height(winwidget winwid)
{
	int rect[4];
	winwidget_get_geometry(winwid, rect);
	return(rect[3]);
}

void winwidget_get_geometry(winwidget winwid, int *rect)
{
	unsigned int bw, bp;
	Window child;
	if (!rect)
		return;

	XGetGeometry(disp, winwid->win, &root, &(rect[0]), &(rect[1]), (unsigned
				int *)&(rect[2]), (unsigned int *)&(rect[3]), &bw, &bp);

	XTranslateCoordinates(disp, winwid->win, root, 0, 0, &(rect[0]), &(rect[1]), &child);

	/* update the window geometry (in case it's inaccurate) */
	winwid->x = rect[0];
	winwid->y = rect[1];
	winwid->w = rect[2];
	winwid->h = rect[3];
	return;
}

void winwidget_show_menu(winwidget winwid)
{
	int x, y, b;
	unsigned int c;
	Window r;

	XQueryPointer(disp, winwid->win, &r, &r, &x, &y, &b, &b, &c);
	if (winwid->type == WIN_TYPE_SINGLE) {
		if (!menu_single_win)
			feh_menu_init_single_win();
		feh_menu_show_at_xy(menu_single_win, winwid, x, y);
	} else if (winwid->type == WIN_TYPE_THUMBNAIL) {
		if (!menu_thumbnail_win)
			feh_menu_init_thumbnail_win();
		feh_menu_show_at_xy(menu_thumbnail_win, winwid, x, y);
	} else if (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER) {
		if (!menu_single_win)
			feh_menu_init_thumbnail_viewer();
		feh_menu_show_at_xy(menu_thumbnail_viewer, winwid, x, y);
	} else {
		if (!menu_main)
			feh_menu_init_main();
		feh_menu_show_at_xy(menu_main, winwid, x, y);
	}
}