menus.anubis
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The Anubis/Paradize Project.
Creating menus.
Copyright (c) Alain Prouté 2004-2005.
Authors: Alain Prouté
read widget.anubis
read tools.anubis
This file contains tools for creating menus (to be put in the command variable of your
menu manager, within an 'add_?' command).
public type MenuItem:
// separator between groups of items
separator,
// simple item with fixed text
item (String text,
WidgetEventToolBox ->
List(WidgetRectangle) action),
// same as above but inhibited
inhibited_item (String text),
// simple item with variable text
item (One -> String dynamic_text,
WidgetEventToolBox ->
List(WidgetRectangle) action),
// sub menu
sub_menu (String text,
List(MenuItem) sub_items).
public define MenuItem
item
(
String text,
WidgetEventToolBox -> One action
) =
item(text,(WidgetEventToolBox etb) |-> (action(etb); [])).
public define MenuItem
item
(
One -> String dtext,
WidgetEventToolBox -> One action
) =
item(dtext,(WidgetEventToolBox etb) |-> (action(etb); [])).
You can create a menu (with submenus) with:
public define Widget
create_menu
(
WidgetParameters parms,
List(MenuItem) items,
Var(MenuCommand) menu_command_v // command variable of your menu manager
).
--- That's all for the public part ! --------------------------------------------------
read widgets3/box.anubis
read widgets3/table.anubis
read widgets3/button.anubis
read widgets3/space.anubis
define List(List(MenuItem))
split_at_separators
(
List(MenuItem) items
) =
if items is
{
[ ] then [ ],
[item1 . others] then
with rest = split_at_separators(others),
if item1 is
{
separator then [[ ] . rest],
item(_,_) then
if rest is
{
[ ] then [[item1]],
[g1 . gs] then [[item1 . g1] . gs],
},
inhibited_item(_) then
if rest is
{
[ ] then [[item1]],
[g1 . gs] then [[item1 . g1] . gs],
},
item(_,_) then
if rest is
{
[ ] then [[item1]],
[g1 . gs] then [[item1 . g1] . gs],
},
sub_menu(_,_) then
if rest is
{
[ ] then [[item1]],
[g1 . gs] then [[item1 . g1] . gs],
}
}
}.
define (List(MenuItem) group) -> List(WidgetCell)
make_group
(
WidgetParameters parms,
Var(MenuCommand) menu_command_v
) =
(List(MenuItem) group) |->
[
cell(create_box(relief(parms),2,
create_table(nude,0,0,
map((MenuItem i) |-> if i is
{
separator then alert,
item(t,a) then [cell(create_button(150,20,
phantom(parms),
a,
(One u) |-> left_text(parms,t),
[]))],
inhibited_item(t) then [cell(create_button(150,20,
phantom(parms),
(WidgetEventToolBox etb) |-> unique,
(One u) |-> left_text(parms,t),
(One u) |-> true,
[]))],
item(dt,a) then [cell(create_button(150,20,
phantom(parms),
a,
(One u) |-> left_text(parms,dt(unique)),
[]))],
sub_menu(t,l) then [cell(create_button(150,20,
phantom(parms),
(WidgetEventToolBox etb) |->
menu_command_v <-
add_left_right(etb,
create_menu(parms,l,menu_command_v),
rect(0,0,150,20)),
(One u) |-> left_text(parms,t),
[]))]
},
group)
)))
].
public define Widget
create_menu
(
WidgetParameters parms,
List(MenuItem) items,
Var(MenuCommand) menu_command_v
) =
create_table(nude,0,0,
map(make_group(parms,menu_command_v),split_at_separators(items))).