winwidget.c

static void winwidget_register(winwidget win)
{
	D(("window %p\n", win));
	window_num++;
	if (windows)
		windows = erealloc(windows, window_num * sizeof(winwidget));
	else
		windows = emalloc(window_num * sizeof(winwidget));
	windows[window_num - 1] = win;

	XSaveContext(disp, win->win, xid_context, (XPointer) win);
	return;
}

static void winwidget_unregister(winwidget win)
{
	int i, j;

	for (i = 0; i < window_num; i++) {
		if (windows[i] == win) {
			for (j = i; j < window_num - 1; j++)
				windows[j] = windows[j + 1];
			window_num--;
			if (window_num > 0)
				windows = erealloc(windows, window_num * sizeof(winwidget));
			else {
				free(windows);
				windows = NULL;
			}
		}
	}
	XDeleteContext(disp, win->win, xid_context);
	return;
}

winwidget winwidget_get_from_window(Window win)
{
	winwidget ret = NULL;

	if (XFindContext(disp, win, xid_context, (XPointer *) & ret) != XCNOENT)
		return(ret);
	return(NULL);
}

void winwidget_rename(winwidget winwid, char *newname)
{
	/* newname == NULL -> update current title */
	char *p_str;

	if (newname == NULL)
		newname = estrdup(winwid->name ? winwid->name : "");
	if (winwid->name)
		free(winwid->name);

	winwid->name = emalloc(strlen(newname) + 10);
	strcpy(winwid->name, newname);

	if (strlen(winwid->name) > 9)
		p_str = winwid->name + strlen(winwid->name) - 9;
	else
		p_str = winwid->name;

	if (opt.paused && strcmp(p_str, " [Paused]") != 0)
		strcat(winwid->name, " [Paused]");
	else if (!opt.paused && strcmp(p_str, " [Paused]") == 0)
		*p_str = '\0';

	winwidget_update_title(winwid);
	return;
}

void winwidget_free_image(winwidget w)
{
	if (w->im)
		gib_imlib_free_image_and_decache(w->im);
	w->im = NULL;
	w->im_w = 0;
	w->im_h = 0;
	return;
}

void feh_debug_print_winwid(winwidget w)
{
	printf("winwid_debug:\n" "winwid = %p\n" "win = %ld\n" "w = %d\n"
	       "h = %d\n" "im_w = %d\n" "im_h = %d\n" "im_angle = %f\n"
	       "type = %d\n" "had_resize = %d\n" "im = %p\n" "GC = %p\n"
	       "pixmap = %ld\n" "name = %s\n" "file = %p\n" "mode = %d\n"
	       "im_x = %d\n" "im_y = %d\n" "zoom = %f\n" "old_zoom = %f\n"
	       "click_offset_x = %d\n" "click_offset_y = %d\n"
	       "has_rotated = %d\n", (void *)w, w->win, w->w, w->h, w->im_w,
	       w->im_h, w->im_angle, w->type, w->had_resize, w->im, (void *)w->gc,
	       w->bg_pmap, w->name, (void *)w->file, w->mode, w->im_x, w->im_y,
	       w->zoom, w->old_zoom, w->click_offset_x, w->click_offset_y,
	       w->has_rotated);
}

void winwidget_reset_image(winwidget winwid)
{
	winwid->zoom = 1.0;
	winwid->old_zoom = 1.0;
	winwid->im_x = 0;
	winwid->im_y = 0;
	winwid->im_angle = 0.0;
	winwid->has_rotated = 0;
	return;
}

void winwidget_center_image(winwidget winwid)
{
	int scr_width, scr_height;

	scr_width = scr->width;
	scr_height = scr->height;

#ifdef HAVE_LIBXINERAMA
	if (opt.xinerama && xinerama_screens) {
		scr_width = xinerama_screens[xinerama_screen].width;
		scr_height = xinerama_screens[xinerama_screen].height;
	}
#endif				/* HAVE_LIBXINERAMA */

	if (winwid->full_screen) {
		winwid->im_x = (scr_width - lround(winwid->im_w * winwid->zoom)) >> 1;
		winwid->im_y = (scr_height - lround(winwid->im_h * winwid->zoom)) >> 1;
	} else {
		if (opt.geom_flags & WidthValue)
			winwid->im_x = ((int)opt.geom_w - lround(winwid->im_w * winwid->zoom)) >> 1;
		else
			winwid->im_x = 0;
		if (opt.geom_flags & HeightValue)
			winwid->im_y = ((int)opt.geom_h - lround(winwid->im_h * winwid->zoom)) >> 1;
		else
			winwid->im_y = 0;
	}
}

void winwidget_sanitise_offsets(winwidget winwid)
{
	int far_left, far_top;
	int min_x, max_x, max_y, min_y;

	far_left = winwid->w - (winwid->im_w * winwid->zoom);
	far_top = winwid->h - (winwid->im_h * winwid->zoom);

	if ((winwid->im_w * winwid->zoom) > winwid->w) {
		min_x = far_left;
		max_x = 0;
	} else {
		min_x = 0;
		max_x = far_left;
	}
	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, 1);
	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);
	}
}