menu.c

/* menu.c

Copyright (C) 1999-2003 Tom Gilbert.
Copyright (C) 2010-2011 Daniel Friesel.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies of the Software and its documentation and acknowledgment shall be
given in the documentation and software packages that this Software was
used.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*/

#include "feh.h"
#include "support.h"
#include "thumbnail.h"
#include "winwidget.h"
#include "filelist.h"
#include "options.h"

Window menu_cover = 0;
feh_menu *menu_root = NULL;
feh_menu *menu_main = NULL;
feh_menu *menu_single_win = NULL;
feh_menu *menu_about_win = NULL;
feh_menu *menu_thumbnail_viewer = NULL;
feh_menu *menu_thumbnail_win = NULL;
feh_menu *menu_bg = NULL;
static feh_menu_list *menus = NULL;
static int common_menus = 0;

static feh_menu *feh_menu_func_gen_info(feh_menu * m);
static void feh_menu_func_free_info(feh_menu * m);
static void feh_menu_func_free_options(feh_menu * m);
static feh_menu *feh_menu_func_gen_options(feh_menu * m);
void feh_menu_cb(feh_menu * m, feh_menu_item * i, int action, void *data);
void feh_menu_cb_opt_fullscreen(feh_menu * m, feh_menu_item * i);

enum {
	CB_ABOUT = 1, CB_CLOSE, CB_EXIT, CB_RELOAD, CB_REMOVE, CB_DELETE, CB_RESET,
	CB_REMOVE_THUMB, CB_DELETE_THUMB, CB_BG_TILED, CB_BG_SCALED,
	CB_BG_CENTERED, CB_BG_FILLED, CB_BG_TILED_NOFILE,
	CB_BG_SCALED_NOFILE, CB_BG_CENTERED_NOFILE, CB_BG_FILLED_NOFILE,
	CB_SORT_FILENAME, CB_SORT_IMAGENAME, CB_SORT_FILESIZE, CB_SORT_RANDOMIZE,
	CB_SAVE_IMAGE, CB_SAVE_FILELIST, CB_FIT, CB_OPT_DRAW_FILENAME,
	CB_OPT_DRAW_ACTIONS, CB_OPT_KEEP_HTTP, CB_OPT_FREEZE_WINDOW,
	CB_OPT_FULLSCREEN, CB_EDIT_ROTATE, CB_OPT_AUTO_ZOOM
};

feh_menu *feh_menu_new(void)
{
	feh_menu *m;
	XSetWindowAttributes attr;
	feh_menu_list *l;
	static Imlib_Image bg = NULL;
	static Imlib_Border border;

	m = (feh_menu *) emalloc(sizeof(feh_menu));

	attr.backing_store = NotUseful;
	attr.override_redirect = True;
	attr.colormap = cm;
	attr.border_pixel = 0;
	attr.background_pixmap = None;
	attr.save_under = False;
	attr.do_not_propagate_mask = True;

	m->win = XCreateWindow(
			disp, root, 1, 1, 1, 1, 0, depth, InputOutput, vis,
			CWOverrideRedirect | CWSaveUnder | CWBackingStore
			| CWColormap | CWBackPixmap | CWBorderPixel | CWDontPropagate, &attr);
	XSelectInput(disp, m->win,
			ButtonPressMask | ButtonReleaseMask | EnterWindowMask
			| LeaveWindowMask | PointerMotionMask | ButtonMotionMask);

	m->name = NULL;
	m->fehwin = NULL;
	m->pmap = 0;
	m->x = 0;
	m->y = 0;
	m->w = 0;
	m->h = 0;
	m->visible = 0;
	m->items = NULL;
	m->next = NULL;
	m->prev = NULL;
	m->updates = NULL;
	m->needs_redraw = 1;
	m->func_free = NULL;
	m->data = NULL;
	m->calc = 0;
	m->bg = NULL;

	l = emalloc(sizeof(feh_menu_list));
	l->menu = m;
	l->next = menus;
	menus = l;

	if (!bg) {
		feh_load_image_char(&bg, opt.menu_bg);
		if (bg) {
			border.left = border.right = border.top = border.bottom
				= 4;
			imlib_context_set_image(bg);
			imlib_image_set_border(&border);
		}
	}

	if (bg)
		m->bg = gib_imlib_clone_image(bg);

	return(m);
}

void feh_menu_free(feh_menu * m)
{
	feh_menu_item *i;
	feh_menu_list *l, *pl = NULL;

	if (m->name)
		free(m->name);
	XDestroyWindow(disp, m->win);
	if (m->pmap)
		XFreePixmap(disp, m->pmap);
	if (m->updates)
		imlib_updates_free(m->updates);
	for (i = m->items; i;) {
		feh_menu_item *ii;

		ii = i;
		i = i->next;
		if (ii->func_free)
			(ii->func_free) (ii->data);
		if (ii->text)
			free(ii->text);
		if (ii->submenu)
			free(ii->submenu);
		free(ii);
	}

	for (l = menus; l; l = l->next) {
		if (l->menu == m) {
			if (pl)
				pl->next = l->next;
			else
				menus = l->next;
			free(l);
			break;
		}
		pl = l;
	}
	if (m->bg)
		gib_imlib_free_image_and_decache(m->bg);

	free(m);

	return;
}

feh_menu_item *feh_menu_find_selected(feh_menu * m)
{
	feh_menu_item *i;

	D(("menu %p\n", m));

	for (i = m->items; i; i = i->next) {
		if (MENU_ITEM_IS_SELECTED(i))
			return(i);
	}
	return(NULL);
}

feh_menu_item *feh_menu_find_selected_r(feh_menu * m, feh_menu ** parent)
{
	feh_menu_item *i, *ii;
	feh_menu *mm;

	D(("menu %p\n", m));

	for (i = m->items; i; i = i->next) {
		if (MENU_ITEM_IS_SELECTED(i)) {
			if (parent)
				*parent = m;
			return(i);
		} else if (i->submenu) {
			mm = feh_menu_find(i->submenu);
			if (mm) {
				ii = feh_menu_find_selected_r(mm, parent);
				if (ii)
					return(ii);
			}
		}
	}
	if (parent)
		*parent = m;
	return(NULL);
}

void feh_menu_select_next(feh_menu * selected_menu, feh_menu_item * selected_item)
{
	feh_menu_item *i;
	if (!selected_item) {
		/* jump to first item, select it */
		feh_menu_select(selected_menu, selected_menu->items);
	} else {
		i = selected_item;
		while (1) {
			i = i->next;
			if (!i)
				i = selected_menu->items;
			if (i->action || i->submenu || i->func_gen_sub || i->text) {
				break;
			}
		}
		feh_menu_deselect_selected(selected_menu);
		feh_menu_select(selected_menu, i);
	}
}

void feh_menu_select_prev(feh_menu * selected_menu, feh_menu_item * selected_item)
{
	feh_menu_item *i, *ii;
	if (!selected_item) {
		/* jump to last item, select it */
		for (i = selected_menu->items; i->next; i = i->next);
		feh_menu_select(selected_menu, i);
	} else {
		i = selected_item;
		while (1) {
			i = i->prev;
			if (!i) {
				i = selected_menu->items;
				for (ii = selected_menu->items; ii->next; ii = ii->next);
				i = ii;
			}
			if (i->action || i->submenu || i->func_gen_sub || i->text) {
				break;
			}
		}
		feh_menu_deselect_selected(selected_menu);
		feh_menu_select(selected_menu, i);
	}
}

void feh_menu_select_parent(feh_menu * selected_menu)
{
	feh_menu *m;
	feh_menu_item *i;
	/* find the parent menu's item which refers to this menu's name */
	if (selected_menu->prev) {
		m = selected_menu->prev;
		for (i = m->items; i; i = i->next) {
			if (i->submenu && !strcmp(i->submenu, selected_menu->name))
				break;
		}
		/* shouldn't ever happen */
		if (i == NULL)
			i = m->items;
		feh_menu_deselect_selected(selected_menu);
		feh_menu_select(m, i);
	}
}

void feh_menu_select_submenu(feh_menu * selected_menu)
{
	if (selected_menu->next) {
		feh_menu_deselect_selected(selected_menu);
		feh_menu_select(selected_menu->next, selected_menu->next->items);
	}
}

void feh_menu_item_activate(feh_menu * m, feh_menu_item * i)
{
	/* watch out for this. I put it this way around so the menu
	   goes away *before* we perform the action, if we start
	   freeing menus on hiding, it will break ;-) */
	if ((i) && (i->action)) {
		feh_menu_hide(menu_root, False);
		feh_main_iteration(0);
		feh_menu_cb(m, i, i->action, i->data);
		if (m->func_free)
			m->func_free(m);
	}
}

feh_menu_item *feh_menu_find_at_xy(feh_menu * m, int x, int y)
{
	feh_menu_item *i;

	D(("looking for menu item at %d,%d\n", x, y));
	for (i = m->items; i; i = i->next) {
		if (XY_IN_RECT(x, y, i->x, i->y, i->w, i->h)) {
			D(("Found an item\n"));
			return(i);
		}
	}
	D(("didn't find an item\n"));
	return(NULL);
}

void feh_menu_deselect_selected(feh_menu * m)
{
	feh_menu_item *i;

	if (!m)
		return;

	i = feh_menu_find_selected(m);
	if (i) {
		D(("found a selected menu, deselecting it\n"));
		MENU_ITEM_SET_NORMAL(i);
		m->updates = imlib_update_append_rect(m->updates, i->x, i->y, i->w, i->h);
		m->needs_redraw = 1;
	}
	return;
}

void feh_menu_select(feh_menu * m, feh_menu_item * i)
{
	MENU_ITEM_SET_SELECTED(i);
	m->updates = imlib_update_append_rect(m->updates, i->x, i->y, i->w, i->h);
	m->needs_redraw = 1;
	if (m->next) {
		m->next->prev = NULL;
		feh_menu_hide(m->next, TRUE);
		m->next = NULL;
	}
	if (i->submenu) {
		feh_menu *mm;

		mm = feh_menu_find(i->submenu);
		if (mm)
			feh_menu_show_at_submenu(mm, m, i);
		else if (i->func_gen_sub)
			feh_menu_show_at_submenu(i->func_gen_sub(m), m, i);
	}
	return;
}

void feh_menu_show_at(feh_menu * m, int x, int y)
{
	if (m->calc)
		feh_menu_calc_size(m);
	if (!menu_cover) {
		XSetWindowAttributes attr;

		D(("creating menu cover window\n"));
		attr.override_redirect = True;
		attr.do_not_propagate_mask = True;
		menu_cover = XCreateWindow(
				disp, root, 0, 0, scr->width,
				scr->height, 0, 0, InputOnly, vis,
				CWOverrideRedirect | CWDontPropagate, &attr);
		XSelectInput(disp, menu_cover,
				KeyPressMask | ButtonPressMask |
				ButtonReleaseMask | EnterWindowMask |
				LeaveWindowMask | PointerMotionMask | ButtonMotionMask);

		XRaiseWindow(disp, menu_cover);
		XMapWindow(disp, menu_cover);
		menu_root = m;
		XUngrabPointer(disp, CurrentTime);
		XSetInputFocus(disp, menu_cover, RevertToPointerRoot, CurrentTime);
	}
	m->visible = 1;
	XMoveWindow(disp, m->win, x, y);
	m->x = x;
	m->y = y;
	XRaiseWindow(disp, m->win);
	feh_menu_redraw(m);
	XMapWindow(disp, m->win);
	return;
}

void feh_menu_show_at_xy(feh_menu * m, winwidget winwid, int x, int y)
{
	if (!m)
		return;

	if (m->calc)
		feh_menu_calc_size(m);
	m->fehwin = winwid;
	if ((x + m->w) > scr->width)
		x = scr->width - m->w;
	if ((y + m->h) > scr->height)
		y = scr->height - m->h;

#if 0
/* #ifdef HAVE_LIBXINERAMA */
/* this doesn't work correctly :( -- pabs */
	if (opt.xinerama && xinerama_screens) {
		if ((x + m->w) > xinerama_screens[xinerama_screen].width)
			x = xinerama_screens[xinerama_screen].width - m->w;
		if ((y + m->h) > xinerama_screens[xinerama_screen].height)
			y = xinerama_screens[xinerama_screen].height - m->h;

	}
#endif				/* HAVE_LIBXINERAMA */

	if (x < 0)
		x = 0;
	if (y < 0)
		y = 0;
	feh_menu_move(m, x, y);
	feh_menu_show(m);
	return;
}

void feh_menu_show_at_submenu(feh_menu * m, feh_menu * parent_m, feh_menu_item * i)
{
	int mx, my;

	if (!m)
		return;

	if (m->calc)
		feh_menu_calc_size(m);
	mx = parent_m->x + parent_m->w;
	my = parent_m->y + i->y - FEH_MENU_PAD_TOP;
	m->fehwin = parent_m->fehwin;
	parent_m->next = m;
	m->prev = parent_m;
	feh_menu_move(m, mx, my);
	feh_menu_show(m);
	return;
}

void feh_menu_move(feh_menu * m, int x, int y)
{
	int dx, dy;

	if (!m)
		return;
	dx = x - m->x;
	dy = y - m->y;
	if (m->visible)
		XMoveWindow(disp, m->win, x, y);
	m->x = x;
	m->y = y;
	return;
}

void feh_menu_slide_all_menus_relative(int dx, int dy)
{
	int i;
	feh_menu_list *m;
	double vector_len = 0;
	int stepx = 0;
	int stepy = 0;

	vector_len = sqrt(dx * dx + dy * dy);
	if (vector_len) {
		if (dx)
			stepx = rint(dx / vector_len);

		if (dy)
			stepy = rint(dy / vector_len);

	}
	for (i = 0; i < vector_len; i++) {
		for (m = menus; m; m = m->next) {
			if (m->menu->visible)
				feh_menu_move(m->menu, m->menu->x + stepx, m->menu->y + stepy);

		}
		XWarpPointer(disp, None, None, 0, 0, 0, 0, stepx, stepy);
	}
	return;
}

void feh_menu_hide(feh_menu * m, int func_free)
{
	if (!m->visible)
		return;
	if (m->next) {
		m->next->prev = NULL;
		feh_menu_hide(m->next, func_free);
		m->next = NULL;
	}
	if (m == menu_root) {
		if (menu_cover) {
			D(("DESTROYING menu cover\n"));
			XDestroyWindow(disp, menu_cover);
			menu_cover = 0;
		}
		menu_root = NULL;
	}
	m->visible = 0;
	XUnmapWindow(disp, m->win);
	if (func_free && m->func_free)
		m->func_free(m);
	else
		feh_menu_deselect_selected(m);
	return;
}

void feh_menu_show(feh_menu * m)
{
	if (!m)
		return;
	feh_menu_show_at(m, m->x, m->y);
	return;
}

feh_menu_item *feh_menu_add_toggle_entry(feh_menu * m, char *text,
		Imlib_Image icon, char *submenu, int action,
		void *data, void (*func_free) (void *data), int setting)
{
	feh_menu_item *mi;

	mi = feh_menu_add_entry(m, text, icon, submenu, action, data, func_free);
	mi->is_toggle = TRUE;
	MENU_ITEM_TOGGLE_SET(mi, setting);
	return(mi);
}

feh_menu_item *feh_menu_add_entry(feh_menu * m, char *text, Imlib_Image icon,
		char *submenu, int action, void *data, void (*func_free) (void *data))
{
	feh_menu_item *mi, *ptr;


	mi = (feh_menu_item *) emalloc(sizeof(feh_menu_item));
	mi->state = MENU_ITEM_STATE_NORMAL;
	mi->icon = icon;
	mi->is_toggle = FALSE;
	if (text)
		mi->text = estrdup(text);
	else
		mi->text = NULL;
	if (submenu)
		mi->submenu = estrdup(submenu);
	else
		mi->submenu = NULL;
	mi->action = action;
	mi->func_free = func_free;
	mi->data = data;
	mi->func_gen_sub = NULL;
	mi->next = NULL;
	mi->prev = NULL;

	if (!m->items)
		m->items = mi;
	else {
		for (ptr = m->items; ptr; ptr = ptr->next) {
			if (!ptr->next) {
				ptr->next = mi;
				mi->prev = ptr;
				break;
			}
		}
	}
	m->calc = 1;
	return(mi);
}

void feh_menu_entry_get_size(feh_menu * m, feh_menu_item * i, int *w, int *h)
{
	int tw, th;

	if (i->text) {
		gib_imlib_get_text_size(opt.menu_fn, i->text, opt.menu_style_l, &tw, &th, IMLIB_TEXT_TO_RIGHT);
		*w = tw + FEH_MENUITEM_PAD_LEFT + FEH_MENUITEM_PAD_RIGHT;
		*h = th + FEH_MENUITEM_PAD_TOP + FEH_MENUITEM_PAD_BOTTOM;
	} else {
		*w = FEH_MENUITEM_PAD_LEFT + FEH_MENUITEM_PAD_RIGHT;
		*h = FEH_MENUITEM_PAD_TOP + FEH_MENUITEM_PAD_BOTTOM;
	}

	return;
	m = NULL;
}

void feh_menu_calc_size(feh_menu * m)
{
	int prev_w, prev_h;
	feh_menu_item *i;
	int j = 0, count = 0, max_w = 0, max_h = 0, icon_w = 0, next_w = 0;
	int toggle_w = 0;

	prev_w = m->w;
	prev_h = m->h;
	m->calc = 0;

	for (i = m->items; i; i = i->next) {
		int w, h;

		feh_menu_entry_get_size(m, i, &w, &h);
		if (w > max_w)
			max_w = w;
		if (h > max_h)
			max_h = h;
		if (i->submenu) {
			next_w = FEH_MENU_SUBMENU_W;
			if (FEH_MENU_SUBMENU_H > max_h)
				max_h = FEH_MENU_SUBMENU_H;
		}
		if (i->is_toggle) {
			toggle_w = FEH_MENU_TOGGLE_W + FEH_MENU_TOGGLE_PAD;
			if (FEH_MENU_TOGGLE_H > max_h)
				max_h = FEH_MENU_TOGGLE_H;
		}
		count++;
	}

	for (i = m->items; i; i = i->next) {
		if (i->icon) {
			Imlib_Image im;

			im = i->icon;
			if (im) {
				int iw, ih, ow, oh;

				iw = gib_imlib_image_get_width(im);
				ih = gib_imlib_image_get_height(im);
				if (ih <= max_h) {
					ow = iw;
					oh = ih;
				} else {
					ow = (iw * max_h) / ih;
					oh = max_h;
				}
				if (ow > icon_w)
					icon_w = ow;
			}
		}
	}
	m->h = FEH_MENU_PAD_TOP;
	for (i = m->items; i; i = i->next) {
		i->x = FEH_MENU_PAD_LEFT;
		i->y = m->h;
		i->w = max_w + icon_w + toggle_w + next_w;
		i->icon_x = FEH_MENUITEM_PAD_LEFT;
		i->toggle_x = i->icon_x + icon_w;
		i->text_x = i->toggle_x + toggle_w;
		i->sub_x = i->text_x + max_w;
		if (i->text)
			i->h = max_h;
		else
			i->h = FEH_MENU_SEP_MAX_H;
		m->h += i->h;
		j++;
	}
	m->h += FEH_MENU_PAD_BOTTOM;
	m->w = next_w + toggle_w + icon_w + max_w + FEH_MENU_PAD_LEFT + FEH_MENU_PAD_RIGHT;

	if ((prev_w != m->w) || (prev_h != m->h)) {
		if (m->pmap)
			XFreePixmap(disp, m->pmap);
		m->pmap = 0;
		m->needs_redraw = 1;
		XResizeWindow(disp, m->win, m->w, m->h);
		m->updates = imlib_update_append_rect(m->updates, 0, 0, m->w, m->h);
	}
	D(("menu size calculated. w=%d h=%d\n", m->w, m->h));

	/* Make sure bg is same size */
	if (m->bg) {
		int bg_w, bg_h;

		bg_w = gib_imlib_image_get_width(m->bg);
		bg_h = gib_imlib_image_get_height(m->bg);

		if (m->w != bg_w || m->h != bg_h) {
			Imlib_Image newim = imlib_create_image(m->w, m->h);

			D(("resizing bg to %dx%d\n", m->w, m->h));

			gib_imlib_blend_image_onto_image(newim, m->bg, 0, 0, 0, bg_w, bg_h, 0, 0, m->w, m->h, 0, 0, 1);
			gib_imlib_free_image_and_decache(m->bg);
			m->bg = newim;
		}
	}

	return;
}

void feh_menu_draw_item(feh_menu_item * i, Imlib_Image im, int ox, int oy)
{
	D(("drawing item %p (text %s)\n", i, i->text));

	if (i->text) {
		D(("text item\n"));
		if (MENU_ITEM_IS_SELECTED(i)) {
			D(("selected item\n"));
			/* draw selected image */
			feh_menu_item_draw_at(i->x, i->y, i->w, i->h, im, ox, oy, 1);
		} else {
			D(("unselected item\n"));
			/* draw unselected image */
			feh_menu_item_draw_at(i->x, i->y, i->w, i->h, im, ox, oy, 0);
		}

		/* draw text */
		gib_imlib_text_draw(im, opt.menu_fn, opt.menu_style_l,
				i->x - ox + i->text_x, i->y - oy + FEH_MENUITEM_PAD_TOP,
				i->text, IMLIB_TEXT_TO_RIGHT, 0, 0, 0, 255);
		if (i->icon) {
			Imlib_Image im2;

			D(("icon item\n"));

			im2 = i->icon;
			if (im2) {
				int iw, ih, ow, oh;

				iw = gib_imlib_image_get_width(im2);
				ih = gib_imlib_image_get_height(im2);
				if (ih <= (i->h - FEH_MENUITEM_PAD_TOP - FEH_MENUITEM_PAD_BOTTOM)) {
					ow = iw;
					oh = ih;
				} else {
					ow = (iw * (i->h - FEH_MENUITEM_PAD_TOP - FEH_MENUITEM_PAD_BOTTOM)) / ih;
					oh = i->h - FEH_MENUITEM_PAD_TOP - FEH_MENUITEM_PAD_BOTTOM;
				}
				gib_imlib_blend_image_onto_image(im, im2,
								 0, 0, 0,
								 iw, ih,
								 i->x +
								 i->icon_x -
								 ox,
								 i->y +
								 FEH_MENUITEM_PAD_TOP
								 +
								 (((i->h -
								    FEH_MENUITEM_PAD_TOP - FEH_MENUITEM_PAD_BOTTOM)
								   - oh) / 2) - oy, ow, oh, 1, 1, 1);
				gib_imlib_free_image(im2);
			}
		}
		if (i->submenu) {
			D(("submenu item\n"));
			feh_menu_draw_submenu_at(i->x + i->sub_x,
						 i->y +
						 FEH_MENUITEM_PAD_TOP +
						 ((i->h -
						   FEH_MENUITEM_PAD_TOP -
						   FEH_MENUITEM_PAD_BOTTOM
						   -
						   FEH_MENU_SUBMENU_H) /
						  2), im, ox, oy);
		}
		if (i->is_toggle) {
			D(("toggleable item\n"));
			feh_menu_draw_toggle_at(i->x + i->toggle_x,
						i->y +
						FEH_MENUITEM_PAD_TOP +
						((i->h -
						  FEH_MENUITEM_PAD_TOP -
						  FEH_MENUITEM_PAD_BOTTOM -
						  FEH_MENU_TOGGLE_H) / 2),
						FEH_MENU_TOGGLE_W, FEH_MENU_TOGGLE_H, im, ox, oy, MENU_ITEM_IS_ON(i));
		}
	} else {
		D(("separator item\n"));
		feh_menu_draw_separator_at(i->x, i->y, i->w, i->h, im, ox, oy);
	}
	return;
}

void feh_menu_redraw(feh_menu * m)
{
	Imlib_Updates u, uu;

	if ((!m->needs_redraw) || (!m->visible) || (!m->updates))
		return;
	m->needs_redraw = 0;
	if (!m->pmap)
		m->pmap = XCreatePixmap(disp, m->win, m->w, m->h, depth);
	XSetWindowBackgroundPixmap(disp, m->win, m->pmap);

	u = imlib_updates_merge_for_rendering(m->updates, m->w, m->h);
	m->updates = NULL;
	if (u) {
		D(("I have updates to render\n"));
		for (uu = u; u; u = imlib_updates_get_next(u)) {
			int x, y, w, h;
			Imlib_Image im;

			imlib_updates_get_coordinates(u, &x, &y, &w, &h);
			D(("update coords %d,%d %d*%d\n", x, y, w, h));
			im = imlib_create_image(w, h);
			gib_imlib_image_fill_rectangle(im, 0, 0, w, h, 0, 0, 0, 0);
			if (im) {
				feh_menu_draw_to_buf(m, im, x, y);
				gib_imlib_render_image_on_drawable(m->pmap, im, x, y, 1, 0, 0);
				gib_imlib_free_image(im);
				XClearArea(disp, m->win, x, y, w, h, False);
			}
		}
		imlib_updates_free(uu);
	}
	return;
}

feh_menu *feh_menu_find(char *name)
{
	feh_menu_list *l;

	for (l = menus; l; l = l->next) {
		if ((l->menu->name) && (!strcmp(l->menu->name, name)))
			return(l->menu);
	}
	return(NULL);
}

void feh_menu_draw_to_buf(feh_menu * m, Imlib_Image im, int ox, int oy)
{
	feh_menu_item *i;
	int w, h;

	w = gib_imlib_image_get_width(im);
	h = gib_imlib_image_get_height(im);

	feh_menu_draw_menu_bg(m, im, ox, oy);

	for (i = m->items; i; i = i->next) {
		if (RECTS_INTERSECT(i->x, i->y, i->w, i->h, ox, oy, w, h))
			feh_menu_draw_item(i, im, ox, oy);
	}
	return;
}

void feh_menu_draw_menu_bg(feh_menu * m, Imlib_Image im, int ox, int oy)
{
	int w, h;

	w = gib_imlib_image_get_width(im);
	h = gib_imlib_image_get_height(im);

	if (m->bg)
		gib_imlib_blend_image_onto_image(im, m->bg, 0, ox, oy, w, h, 0, 0, w, h, 0, 0, 0);
	else
		gib_imlib_image_fill_rectangle(im, 0, 0, w, h, 205, 203, 176, 255);

	return;
}

void feh_menu_draw_toggle_at(int x, int y, int w, int h, Imlib_Image dst, int ox, int oy, int on)
{
	x -= ox;
	y -= oy;
	if (on)
		gib_imlib_image_fill_rectangle(dst, x, y, w, h, 0, 0, 0, 255);
	else
		gib_imlib_image_draw_rectangle(dst, x, y, w, h, 0, 0, 0, 255);
	return;
}

void feh_menu_draw_submenu_at(int x, int y, Imlib_Image dst, int ox, int oy)
{
	ImlibPolygon poly;

	x -= ox;
	y -= oy;

	imlib_context_set_image(dst);
	poly = imlib_polygon_new();
	imlib_polygon_add_point(poly, x + 2, y + 5);
	imlib_polygon_add_point(poly, x + 5, y + 7);
	imlib_polygon_add_point(poly, x + 2, y + 11);
	imlib_context_set_color(0, 0, 0, 60);
	imlib_image_fill_polygon(poly);
	imlib_polygon_free(poly);

	poly = imlib_polygon_new();
	imlib_polygon_add_point(poly, x, y + 3);
	imlib_polygon_add_point(poly, x + 3, y + 6);
	imlib_polygon_add_point(poly, x, y + 9);
	imlib_context_set_color(0, 0, 0, 255);
	imlib_image_fill_polygon(poly);
	imlib_polygon_free(poly);

	return;
}

void feh_menu_draw_separator_at(int x, int y, int w, int h, Imlib_Image dst, int ox, int oy)
{
	gib_imlib_image_fill_rectangle(dst, x - ox + 2, y - oy + 2, w - 4, h - 4, 0, 0, 0, 255);
	return;
}

void feh_menu_item_draw_at(int x, int y, int w, int h, Imlib_Image dst, int ox, int oy, int selected)
{
	imlib_context_set_image(dst);
	if (selected)
		gib_imlib_image_fill_rectangle(dst, x - ox, y - oy, w, h, 255, 255, 255, 178);
	return;
}

void feh_raise_all_menus(void)
{
	feh_menu_list *l;

	for (l = menus; l; l = l->next) {
		if (l->menu->visible)
			XRaiseWindow(disp, l->menu->win);
	}
	return;
}

void feh_redraw_menus(void)
{
	feh_menu_list *l;

	for (l = menus; l; l = l->next) {
		if (l->menu->needs_redraw)
			feh_menu_redraw(l->menu);
	}

	return;
}

feh_menu *feh_menu_get_from_window(Window win)
{
	feh_menu_list *l;

	for (l = menus; l; l = l->next)
		if (l->menu->win == win)
			return(l->menu);
	return(NULL);
}

void feh_menu_init_main(void)
{
	feh_menu *m;
	feh_menu_item *mi;

	if (!common_menus)
		feh_menu_init_common();

	menu_main = feh_menu_new();
	menu_main->name = estrdup("MAIN");

	feh_menu_add_entry(menu_main, "File", NULL, "FILE", 0, NULL, NULL);
	if (opt.slideshow || opt.multiwindow) {
		feh_menu_add_entry(menu_main, "Sort List", NULL, "SORT", 0, NULL, NULL);
		mi = feh_menu_add_entry(menu_main, "Image Info", NULL, "INFO", 0, NULL, NULL);
		mi->func_gen_sub = feh_menu_func_gen_info;
		feh_menu_add_entry(menu_main, NULL, NULL, NULL, 0, NULL, NULL);
	}
	mi = feh_menu_add_entry(menu_main, "Options", NULL, "OPTIONS", 0, NULL, NULL);
	mi->func_gen_sub = feh_menu_func_gen_options;

	if (!opt.full_screen)
		feh_menu_add_entry(menu_main, "About " PACKAGE, NULL, NULL, CB_ABOUT, NULL, NULL);
	if (opt.multiwindow)
		feh_menu_add_entry(menu_main, "Close", NULL, NULL, CB_CLOSE, NULL, NULL);
	feh_menu_add_entry(menu_main, "Exit", NULL, NULL, CB_EXIT, NULL, NULL);

	m = feh_menu_new();
	m->name = estrdup("FILE");
	feh_menu_add_entry(m, "Reset", NULL, NULL, CB_RESET, NULL, NULL);
	feh_menu_add_entry(m, "Resize Window", NULL, NULL, CB_FIT, NULL, NULL);
	feh_menu_add_entry(m, "Reload", NULL, NULL, CB_RELOAD, NULL, NULL);
	feh_menu_add_entry(m, "Save Image", NULL, NULL, CB_SAVE_IMAGE, NULL, NULL);
	feh_menu_add_entry(m, "Save List", NULL, NULL, CB_SAVE_FILELIST, NULL, NULL);
	feh_menu_add_entry(m, "Edit in Place", NULL, "EDIT", 0, NULL, NULL);
	feh_menu_add_entry(m, "Background", NULL, "BACKGROUND", 0, NULL, NULL);
	feh_menu_add_entry(m, NULL, NULL, NULL, 0, NULL, NULL);
	feh_menu_add_entry(m, "Hide", NULL, NULL, CB_REMOVE, NULL, NULL);
	feh_menu_add_entry(m, "Delete", NULL, "CONFIRM", 0, NULL, NULL);

	return;
}

void feh_menu_init_common()
{
	int num_desks, i;
	char buf[30];
	feh_menu *m;

	if (!opt.menu_fn) {
		opt.menu_fn = gib_imlib_load_font(opt.menu_font);
		if (!opt.menu_fn)
			eprintf
			    ("couldn't load menu font %s, did you make install?\nAre you specifying a nonexistant font?\nDid you tell feh where to find it with --fontpath?",
			     opt.menu_font);
	}
	if (!opt.menu_style_l) {
		opt.menu_style_l = gib_style_new_from_ascii(opt.menu_style);
		if (!opt.menu_style_l) {
			weprintf
			    ("couldn't load style file for menu fonts, (%s).\nDid you make install? Menus will look boring without the style file.",
			     opt.menu_style);
		}
	}