Here is the source:
REBOL [
Title: "Menu-System"
Name: 'Menu-System
File: %menu-system.r
Version: 0.2.0
Date: 12-Jun-2005
Author: "Christian Ensel"
Email: christian.ensel@gmx.de
Owner: "Christian Ensel"
Rights: {
Copyright (c) 2005 Christian Ensel
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
• Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
• Neither the name of the copyright holder nor the names its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
}
Purpose: {
Easy to use VID compatible REBOL menu system (early Beta).
Have menus in your REBOL apps, finally.
}
Todo: {
• The SCROLLER-ITEM stuff is actually more of a prove of concept,
but it seems like integrating other VID-Styles should be possible.
I'd really like to see FIELD-ITEM, or maybe even a generic VID-ITEM.
Minor drawback: disabling SCROLLER-ITEM doesn't work, but that really
shouldn't be too hard to accomplish.
• Some functions like ADJUST-xy and LAYOUT-xy have to changed to
methods in FEEL or ACCESS.
• I'd like to get rid of MENU/ITEMS. Keeping it in sync with
MENU/LIST/PANE is annoying, one simple loop thru the latter should
do and won't be noticable slower.
• There's a bug in closing windows: REBOL.exe remains, with all
windows closed, waiting in the event loop. Looks like somewhere
there's one WAIT. But *where*?
}
History: {
0.2.0 • Mostly all code is now truly OOP due to leaving FACE/TYPE
intact (now always is 'FACE for future VID compatibility)
(hence the jump in the version number)
• Rebolish default style inbuild
• For the fun of it: Derived SLIDER-ITEM from MENU-ITEM,
and - tada! - it works!
0.1.8 • Further major code cleaning and more consistent OOP, way too
much to list here.
• Totally rewritten styling scheme, now uses flat PROPERTIES
• Inserting new items to an existing menu is now possible thanks
to "abusing" LAYOUT-MENU to create a single-item menu, whose
item is then inserted by INSERT-ITEM.
It's a bit odd though, because it doesn't inherit styles if none
we're supllied.
• For top-level menus (root-menus) it's now possible to refer
to their items by index. This doesn't work for menu-bars though.
0.1.7 • Menu-accessor method object added
• Experimental removing and reinserting of items works.
• Global functions to menu-accessors added
• Dialect is more consistent and allows specification of
normal and hovered enabled and disabled states.
• A couple of layout and style inheritence problems fixed.
• Overall code cleaning.
0.1.6 • Shortcut keys are now dialected as TAG! instead of ISSUE!,
TAG! is way more flexible.
• Styling with LAYOUT-MENU/STYLE works.
• Styling MENU-BAR and DROP-MENU with MENU-STYLE works.
• Correction of layout algorithm, still somewhat problematic.
0.1.5 • MENU-BAR style now with full keyboard support, but still
"menubar" and "baritems" aren't configurable.
• DROP-MENU now works again.
0.1.4 • Experimental MENU-BAR VID style now works.
It isn't configurable much and there are some really annoying bugs.
• Drop-Menu is broken for now.
0.1.3 • Experimental DROP-MENU VID-style.
0.1.2 • Dialect changes.
0.1.1 • Dialect changes.
0.1.0 • Refactored earlier prototype.
}
Credits: {
Originally this script evolved from trying to understand the inner
workings of Cyphre's menu system sketch, without that I would by
no means have come as far as shown here.
}
Library: [
level: 'intermediate
platform: 'all
type: [module demo]
code: 'module
domain: [user-interface vid gui]
tested-under: [view 1.2.119.3.1 on "WinXP"]
support: none
license: 'BSD
see-also: none
]
]
ctx-menus: context [
;############################################# helper functions and alike ##
;
shadow-image: use [reset image] [
reset: system/options/binary-base
system/options/binary-base: 64
image: load 64#{
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+g
vaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH1QQUCzYGyPaalQAAAINJ
REFUeNrd0qEOwjAUBdADDIJDIYaZWPjJfSZuAo2bQiybKKZLmqUzRcE1TZO+U3Ef
P59DwUyHCwKGqgBocFou+wLghhptKVDjjGMpkOb6LeAPgCqzJE1SVS4vjJgR1sAj
WZJhAxgj8sS0Bvp4tkvPmcxxeEC/yzy4Lx1vAAFT/Oz9ASj/FhDibXHbAAAAAElF
TkSuQmCC
}
system/options/binary-base: reset
image
]
cast: func [value cases] [switch type?/word :value cases]
text-size?: func ["Returns a face's text size or 0x0." face [object!] /local size result] [
size: face/size
face/size: 10000x10000
result: size-text face
face/size: size
result
]
image-size?: func ["NONE-safe image/size shortcut" image [image! none!]] [
any [all [image image/size] 0x0]
]
instance-of: func [
"Returns TRUE if entity is of required class (NONE otherwise)."
entity [object! none!] class [word!]
][
all [
object? entity
'face = get in entity 'type
found? find any [get in entity 'class []] class
]
]
;############################################################# MENU-ITEMS ##
;
;============================================================= new-detail ==
;
; Detail faces are the inner faces of menu-item, each item uses five
; of them:
;
; - MARK: The radio- or check-mark
; - ICON: The item's icon image
; - BODY: The item's body text and/or image
; - KEY: The item's shortcut-key text
; - ARROW: The item's arrow (only for item's with sub-menu)
;
new-detail: func ["Returns an uninitilized item detail."] [
make system/view/vid/vid-face [ ;-- Notice that details have no feel, all item actions are triggered by
class: make block! [item-detail] ; item's feel/detect.
edge: color: effect: effects: none
offset: size: 0x0
feel: make face/feel [
redraw: func [detail offset /local item] [
item: detail/parent-face
if detail/effects [
detail/effect: pick detail/effects item <> item/menu/actor
] ] ] ] ]
;============================================================== item-feel ==
;
; The ITEM-FEEL is the central method object for all item related
; functions.
;
item-feel: make face/feel [
detect: func [item event] [
if within? event/offset win-offset? item item/size [
item/menu/feel/visit item/menu item
item/feel/enter item
event
]
]
redraw: func [
"Draws an item." ;-- Cares for normal and hovered en- and disabled states.
item [object!] offset [pair!]
/local
state color
][
state: pick [2 1] item = item/menu/actor
state: state + pick [2 0] item/state
item/color: item/properties/item.colors/:state
item/icon/image: item/properties/item.icon.images/:state
item/icon/effect: item/properties/item.icon.images/:state
item/body/font: item/properties/item.body.font
item/body/font/color: item/properties/item.body.font/colors/:state
item/body/para: item/properties/item.body.para
item/key/font: item/properties/item.key.font
item/key/font/color: item/properties/item.key.font/colors/:state
item/key/para: item/properties/item.key.para
item/edge: item/properties/item.edge
item/edge/color: item/properties/item.edge/colors/:state
item/edge/effect: item/properties/item.edge/effects/:state
item/effect: item/properties/item.effects/:state
if not empty? item/properties/item.body.images [
item/body/effect: compose/deep [
draw [
image ;-- Images are left-aligned as well as texts are
(as-pair 0 item/body/size/y - (second image-size? item/properties/item.body.images/:state) / 2)
(item/properties/item.body.images/:state)
]
]
]
color: any [item/key/font/color item/body/font/color black] ;-- Hardcoded default here?!?
item/feel/draw-mark item color ;-- They know what they're doing
item/feel/draw-arrow item color ;
]
draw-mark: func [item [object!] color [tuple!]] [
item/mark/effect: all [
item/mark/state
case [
instance-of item/mark 'radio [
compose/deep [
draw [pen (color) fill-pen (color) circle 7x8 3]
] ]
instance-of item/mark 'check [
compose/deep [
draw [
pen (color) line-width 2 line-cap square line-join bevel
line 3x8 6x11 12x5
] ] ] ] ] ]
draw-arrow: func [item [object!] color [tuple!]] [
item/arrow/effect: all [
item/sub
compose/deep [
draw [
pen (color) fill-pen (color) polygon
(as-pair item/arrow/size/x - 8 item/arrow/size/y / 2 - 1)
(as-pair item/arrow/size/x - 11 item/arrow/size/y / 2 - 4)
(as-pair item/arrow/size/x - 11 item/arrow/size/y / 2 + 2)
(as-pair item/arrow/size/x - 8 item/arrow/size/y / 2 - 1)
] ] ] ]
visit: func [;-- Show that we're visited
"Visits item (draws it's hover state)." item [object!]
][show item ]
enter: func [
"Enters item (shows it's sub-menu)."
item [object!]
/new ;-- NEW is used to differentiate between wandering through menus with
"Returns immediately from showing." ; mouse and keyboard. Whilst hovering items with sub-menus with the
; mouse, sub-menus are opened immediatly, whereas when navigating a menu
; with the keyboard, that doesn't open sub-menus (to not steal the
; keyboard focus).
;
][
if all [ ;-- Show the own sub-menu, for enabled item's with sub-menus
item/sub ; not already popped up only
not item/state
none? find system/view/pop-list item/sub
][
either new [
show-menu/new find-window item item/sub ;-- Keyboard entered sub-menu
][show-menu find-window item item/sub ;-- Mouse opened sub-menu ]
]
]
leave: func [
"Leaves item (draws it's unhovered state and closes it's sub-menu)."
item [object!]
][
all [item/sub item/sub/feel/close item/sub]
show item
]
engage-mark: func [item /local items] [
case [
instance-of item/mark 'radio [
if off = item/mark/state [
item/mark/state: true
items: item/menu/list/pane
foreach sibling items [
if all [
instance-of sibling 'menu-item
sibling <> item
item/mark/group = get in sibling/mark 'group
][
sibling/mark/state: false
show sibling/mark
] ] ] ]
instance-of item/mark 'check [item/mark/state: not item/mark/state ]
] ]
engage: func [
item action event
/local root popup start end items state
][
if all [action = 'up none? item/sub not item/state] [;-- We act only on 'UP events for nothing but enabled items without sub-menus.
if any [
instance-of item/mark 'radio
instance-of item/mark 'check
][item/feel/engage-mark item ]
either not event/shift [;-- SHIFT enables multi-selection, otherwise the whole menu closes.
root: item/menu/feel/root-of item/menu
root/feel/close root
][show item ]
if item/properties/item.action [;-- Trigger the items action by doing an anonymous function build
do func [item] bind item/properties/item.action in item 'self item ; from the item's action block. Should I allow for functions here, too?
]
]
none
]
]
;=========================================================== baritem-feel ==
;
baritem-feel: make item-feel [
super: item-feel
over: none
engage: none
redraw: func [item offset] [item/color: pick item/menu/colors item <> item/menu/actor ]
detect: func [item event /local actor] [
case [
none? item/menu/actor [
item/menu/state: 'down-to-enter
item/menu/feel/visit item/menu item
focus/no-show item/menu
]
'down-to-enter = item/menu/state [
item/menu/feel/visit item/menu item
focus/no-show item/menu
if 'down = event/type [
item/menu/state: 'hover-to-enter
item/feel/enter item
]
]
'hover-to-enter = item/menu/state [
if 'move = event/type [
item/menu/feel/visit item/menu item
item/feel/enter item
] ] ]
none
]
enter: func [
"Enters item (shows it's sub-menu)."
item [object!]
/new
"Returns immediately from showing."
][
if all [ ;-- Show the own sub-menu, if there's one and if it's not
item/sub ; popped up already
none? find system/view/pop-list item/sub
][
either new [
show-menu/offset/new find-window item/menu item/sub (win-offset? item) + (0x1 * item/size) ;-- Keyboard entered sub-menu
][show-menu/offset find-window item/menu item/sub (win-offset? item) + (0x1 * item/size) ;-- Mouse opened sub-menu ] ] ] ]
;=============================================================== new-item ==
;
new-item: func ["Returns a uninitialised menu item."] [;-- No deep copying required.
make system/standard/face [
class: make block! [menu-item]
item: none ;-- ITEM is set to SELF, this makes client code easier (or harder ...)
menu: none ;-- MENU is always the menu the item belongs to, it is *not* the
; sub-menu an item may have (thats in SUB).
var: none ;-- VAR holds the word by which we later refer to the item.
text: font: image: state: none ;-- All these are unused in favour of the detail faces.
; (see comments to pane).
edge: color: effect: none ;-- All these are set depending on items properties and activation-states
; away/over enabled/disabled
state: no ;-- The enabled/disabled state. There is no explicit OVER state, that is handled
; in REDRAW dynamically.
properties: none ;-- All the item related properties. ###### SHOULDN'T THEY BE INHERITED????? #######
feel: item-feel ;-- See detailed comments on ITEM-FEEL.
data: none ;-- The item's sub-menu's description, if any.
sub: none ;-- The item's sub-menu object itself, if any.
mark: icon: body: key: arrow: none ;-- Just some shortcuts to the details in item's pane.
pane: reduce [
mark: make new-detail [group: none] ;-- GROUP is used for mark-items. Each menu starts which one initial group,
icon: new-detail [] ; implicit groups are set up by menu-dividers and additional, more complex
body: new-detail [] ; groups can be explicitly specified in the setup dialect.
key: new-detail []
arrow: new-detail []
] ] ]
;============================================================= build-item ==
;
build-item: func [
"Builds an item, together with all it's sub-faces."
item [object!] "a new item"
menu [object!] "the menu the item resides in"
word [word! none!] "the item's identifier"
desc [block!] "the item's description"
][
item/item: item/self
item/menu: menu
item/var: word
item/data: desc
menu: menu/properties
item/properties: make object! [
item.action: menu/item.action
item.effects: menu/item.effects
item.colors: menu/item.colors
item.icon.images: []
item.icon.effects: []
item.body.font: menu/item.body.font
item.body.para: menu/item.body.para
item.body.images: []
item.key.font: menu/item.key.font
item.key.para: menu/item.key.para
item.edge: menu/item.edge
]
item/body/font: item/properties/item.body.font
item/body/para: item/properties/item.body.para
item/key/font: item/properties/item.key.font
item/key/para: item/properties/item.key.para
item/edge: item/properties/item.edge
item
]
;========================================================== build-divider ==
;
; DIVIDER needs to be reworked, I guess. Currently, there are absolutely
; no config properties.
;
build-divider: func [
"Builds a menu divider."
parent [object!] "the divider's parent menu"
][
make face [
class: make block! [menu-divider]
var: none
menu: parent
properties: none
color: 172.168.153 ;-- Win XP Silver; hardcoded for now
edge: make face/edge [;-- Ditto, look like Win XP Silver.
size: 1x2
color: image: effect: none
]
]
]
;=========================================================== layout-items ==
;
set 'layout-items func [
"Layouts items."
menu [object!]
desc [block!]
/local
value item properties
][
parse desc [
some [
[ ['divider | 'bar | '---] (
item: build-divider menu
menu/list/pane: insert menu/list/pane item
insert tail menu/items reduce [none item]
properties: item/properties
)
| set value opt set-word! (
value: all [:value to word! value]
)
['item (
item: build-item new-item menu value desc
menu/list/pane: insert menu/list/pane item
insert tail menu/items reduce [item/var item]
properties: item/properties
)
| 'slider (
item: build-slider new-slider menu value desc
menu/list/pane: insert menu/list/pane item
insert tail menu/items reduce [item/var item]
properties: item/properties
)
]
any [
set value string! (
item/body/text: value
)
| set value tag! (
item/key/text: to string! value
)
| ['action set value block! | set value block!] (
properties/item.action: value
)
| ['icon | 'icons] set value [image! | word! | file! | path! | block!] (
properties/item.icon.images: cast value [
word! [get value]
file! [load value]
image! [value]
path! [do value]
block! [value]
]
if not block? properties/item.icon.images [
properties/item.icon.images: compose [
(properties/item.icon.images) (properties/item.icon.images)
(properties/item.icon.images) (properties/item.icon.images)
]
]
properties/item.icon.images: reduce properties/item.icon.images
item/icon/image: properties/item.icon.images
)
| ['image | 'images] set value [image! | file! | word! | path! | block!] (
properties/item.body.images: cast value [
file! [load value]
word! [get value]
path! [do value]
image! [value]
block! [value]
]
if not block? properties/item.body.images [
properties/item.body.images: compose [
(properties/item.body.images) (properties/item.body.images)
(properties/item.body.images) (properties/item.body.images)
]
]
properties/item.body.images: reduce properties/item.body.images
item/body/image: properties/item.body.images/1
)
| 'colors set value ['none | none! | block!] (
if any [none? value 'none = value] [value: []]
properties/item.colors: reduce value
)
| 'effects set value ['none | none! | block!] (
if any [none? value 'none = value] [value: []]
properties/item.effects: compose [(value)]
)
| 'font set value [block!] (
item/body/font: properties/item.body.font: make properties/item.body.font value
item/key/font: properties/item.key.font: make properties/item.key.font value
)
| 'para set value [block!] (
item/body/para: properties/item.body.para: make properties/item.body.para value
item/key/para: properties/item.key.para: make properties/item.key.para value
)
| 'body [
'font set value [block!] (
item/body/font: properties/item.body.font: make properties/item.body.font value
)
| 'para set value [block!] (
item/body/para: properties/item.body.para: make properties/item.body.para value
)
]
| 'key [
'font set value [block!] (
item/key/font: properties/item.key.font: make properties/item.key.font value
)
| 'para set value [block!] (
item/key/para: properties/item.key.para: make properties/item.key.para value
)
]
| 'edge set value ['none | none! | block!] (
if any [none? value 'none = value] [value: [size: 0x0]]
item/edge: properties/item.edge: make properties/item.edge value
)
| set value ['radio | 'check] (
append item/class 'mutual-item
append item/mark/class value
item/mark/state: off
)
any [
'of [opt 'group] set value [lit-word!] (
item/mark/group: value
)
| set value [
'on | 'true | 'yes | true |
'off | 'false | 'no | false
](
item/mark/state: do value
)
]
| 'menu copy value block! (
item/data: first value ;-- Remember a sub-menu's description
item/sub: layout-menu/parent item/data item ;-- And set up the sub-menu's faces
)
| 'effects set value ['none | none! | block!] (
if any [none? value 'none = value] [value: []]
properties/item.effects: compose [(value)]
)
| set value ['disable | 'enable] (
item/state: value = 'disable
)
]
]
]
]
menu
]
;=========================================================== adjust-items == ;-- This is more of a MENU function!
;
; ADJUST-ITEMS' job is to establish consistent item sizes within one
; menu. It makes all items the same width (which may be a fixed width
; or the width of the widest item). It further aligns the details of
; one item to be in column with the corresponding details of other items.
;
adjust-items: func [
"Adjust the menu-items widths and returns total size consumed by items."
items [block!]
/local
item mark icon body key arrow
item-size mark-size icon-size body-size key-size arrow-size size
][
;-- Measure the items to find the maximums
;
; Two pass: First loop adjusts the height of items while collecting
; information about their widths.
; The second loop applies the maximas to align the detail faces.
;
item-size: mark-size: icon-size: body-size: key-size: arrow-size: 0x0
foreach item items [
set [mark icon body key arrow] reduce bind [mark icon body key arrow] in item 'self
item-size/y: 0
edge-size: edge-size? item
if instance-of item 'menu-item [
mark-size: 16x16
icon-size: max icon-size icon/size: image-size? item/properties/item.icon.images/1 ;-- Images need to be same size! I'm checking against icon image 1 only!
; body-size: max body-size body/size: max 6x4 + text-size? body image-size? item/properties/item.body.images/1 ;-- Images need to be same size! I'm checking against body image 1 only!
body-size: max body-size body/size:
max
either body/text [6x4 + text-size? body] [0x0]
either item/properties/item.body.images/1 [image-size? item/properties/item.body.images/1 ;-- Images need to be same size! I'm checking against body image 1 only! ][0x0 ]
key-size: max key-size key/size: either key/text [6x4 + text-size? key] [0x0]
arrow-size: 16x16
item/size/y: body/size/y:
key/size/y: first maximum-of reduce [icon/size/y body/size/y key/size/y ]
mark/size/y: arrow/size/y: 16
item-size: first maximum-of reduce [icon-size body-size key-size]
mark/offset/y: max item/size/y - mark/size/y / 2 0
arrow/offset/y: max item/size/y - arrow/size/y / 2 0
icon/offset/y: max item/size/y - icon/size/y / 2 0
]
if instance-of item 'menu-divider [] ;-- For now, dividers are somewhat static, so currently this is a no-op.
if instance-of item 'slider-item [
body/size: item/slider/size
item-size: first maximum-of reduce [icon-size body-size key-size]
body-size: max body-size 6x4 + item/slider/size
]
item/size/y: item/size/y + second edge-size? item
]
;-- Apply those maximums to the smaller ones
;
item-offset: 0x0
item-size/x: mark-size/x + icon-size/x + body-size/x + key-size/x + arrow-size/x + 2
foreach item items [
set [mark icon body key arrow] reduce bind [mark icon body key arrow] in item 'self
item/offset/y: item-offset/y
item/size/x: item-size/x + first edge-size? item
if instance-of item 'menu-item [
mark/size/x: 16
icon/size/x: icon-size/x
body/size/x: body-size/x
key/size/x: key-size/x
arrow/size/x: 16
mark/offset/x: 0
icon/offset/x: mark/offset/x + mark/size/x
body/offset/x: icon/offset/x + icon/size/x
key/offset/x: body/offset/x + body/size/x
arrow/offset/x: key/offset/x + key/size/x
item/size/y: item/size/y + second edge-size? item
]
if instance-of item 'menu-divider [
item/size/x: item-size/x
item/size/y: 5 ;-- This will change with dividers become arrow configurable
]
if instance-of item 'slider-item [
item/slider/offset/x: item/body/offset/x + 3
item/slider/offset/y: item/body/size/y - item/slider/size/y / 2
]
item-offset/y: item/offset/y + item/size/y
]
item-size
]
;############################################################ SLIDER-ITEM ##
;
new-slider: func ["Returns an uninitialized slider item." /local slider] [
make new-item [
class: append class 'slider-item
pane: append pane slider: use [sld] [layout/tight [sld: slider 120x18] sld]
]
]
build-slider: func [
"Builds a slider item."
slider [object!] "a new slider"
menu [object!] "the menu the slider resides in"
word [word! none!] "the slider's identifier"
desc [block!] "the slider's description"
/local
sld
][build-item slider menu word desc ]
;################################################################### MENU ##
;
;============================================================== draw-knob ==
;
draw-knob: func [menu dir /local knob color y] [
knob: select reduce ['less menu/less 'more menu/more] dir
color: menu/properties/item.key.font/colors/1
y: pick [[5 8] [8 5]] dir = 'less
knob/effect: compose/deep [
draw [
pen (color) fill-pen (color)
polygon
(as-pair knob/size/x / 2 y/1)
(as-pair knob/size/x / 2 - 3 y/2)
(as-pair knob/size/x / 2 + 3 y/2)
(as-pair knob/size/x / 2 y/1)
]
]
]
;============================================================== knob-feel ==
;
knob-feel: make face/feel [
over: func [knob over? offset] [
knob/rate: all [over? knob/parent-face/parent-face/properties/menu.rate]
show knob ;************ Is this necessary? ***************
]
engage: func [knob action event /local menu] [
if event/type = 'time [
menu: knob/parent-face/parent-face
menu/feel/scroll menu knob
]
]
]
;============================================================ menu-access ==
;
menu-access: make system/view/vid/vid-face/access [
get-face: set-face: clear-face: reset-face: none ;-- I'd rather use these, but haven't the slightest idea of what
; e.g. get-face menu should be used for. I therefore come with my own methods ...
exec: func [
"Sets or get item values (i.e. executes code in item's context)."
menu [object!] "The menu to act on"
path [path! word! integer!] "Path to an item anywhere down in the tree"
code [word! path! block!] "Code executed in item's context"
/local
item
][
if not block? code [code: reduce [code]]
if word? path [path: to path! path]
if integer? path [path: to path! path]
item: first path: copy path
item: either not error? try [to integer! item] [pick menu/list/pane to integer! item ][select menu/items to word! item ]
either empty? head system/words/remove path [do bind :code in item 'self ][item/sub/access/exec item/sub path code ]
]
insert: func [
"Attaches an item into an existing menu."
root [object!] "The menu root"
path [path! word! integer! none!] "Path to an item to add to it's sub-menu"
entity [object!] "Menu or menu item already layouted"
/head "Add item at the head of the menu."
/before "Inserts item before the specified successor." succ [word! object!]
/after "Inserts item after the specified predecessor" pred [word! object!]
/tail "Inserts item at the tail of the menu (default)."
/as
var [word! none!] "Word by which to refer to the item."
/local
new menu items virtual
][
menu: either path [root/access/exec root path [self/sub]] [root]
menu/list/pane: case [
head [ menu/list/pane ]
before [find menu/list/pane succ: either object? succ [succ] [select menu/items succ]]
after [next find menu/list/pane pred: either object? pred [pred] [select menu/items pred]]
/default
[system/words/tail menu/list/pane ]
]
menu/items: case [
head [ menu/items ]
before [back find menu/items succ]
after [next find menu/items pred]
/default
[system/words/tail menu/items ]
]
case [
object! = type? entity [
case [
any [
instance-of entity 'menu-item
instance-of entity 'menu-divider
][
var: any [:var get in entity 'var]
system/words/insert menu/list/pane entity
system/words/insert menu/items reduce [var entity]
entity/menu: menu
]
instance-of entity 'menu [
virtual: entity
entity: virtual/access/remove virtual 1
var: any [:var get in entity 'var]
system/words/insert menu/list/pane entity
system/words/insert menu/items reduce [var entity]
entity/menu: menu
]
]
]
block! = type? entity ["N/A" ]
]
menu/list/pane: system/words/head menu/list/pane
menu/items: system/words/head menu/items
adjust-menu menu
]
remove: func [
"Detaches an item from the menu and returns it."
root [object!] "The menu to remove from"
path [path! word! integer!] "Path to an item anywhere down in the tree"
/local
item
][
item: root/access/exec root path [self]
system/words/remove find item/menu/list/pane item
system/words/remove/part back find item/menu/items item 2
item/menu: none
item
]
set 'get-menu func [
"Returns a value of menu item."
root [object!] "The menu to act on"
path [path! word! integer!] "Path to an item anywhere down in the tree"
word [word! path! block!] "Word in item"
][root/access/exec root path word ]
set 'set-menu func [
"Returns a value of menu item."
root [object!] "The menu to act on"
path [path! word! integer!] "Path to an item anywhere down in the tree"
code [block!] "Word: Value"
][root/access/exec root path code ]
set 'remove-menu func [
"Detaches an item from the menu and returns it."
root [object!] "The menu to remove from"
path [path! word! integer!] "Path to an item anywhere down in the tree"
][root/access/remove root path ]
set 'insert-menu func [
[catch]
"Attaches an item into an existing menu."
root [object!] "The menu root"
path [path! word! integer! none!] "Path to an item to add to it's sub-menu"
item [object!] "Menu item already layouted"
/head "Add item at the head of the menu."
/before "Inserts item before the specified successor." succ [word! object!]
/after "Inserts item after the specified predecessor" pred [word! object!]
/tail "Inserts item at the tail of the menu (default)."
/as
var [word! none!] "Word by which to refer to the item."
][
var: any [:var get in item 'var]
case [
head [root/access/insert/head/as root path item var]
before [root/access/insert/before/as root path item var]
after [root/access/insert/after/as root path item var]
/default [root/access/insert/as root path item var]
]
]
]
;========================================================= menubar-access ==
;
menubar-access: make menu-access [
super: menu-access
remove: func [ ;-- This change in the methods signature is to reflect the fact, that
"Detaches an item (sub-item only) from the menu and returns it." ; adding menubar-items currently isn't possible
menubar [object!] "The menubar to remove from"
path [path!]
][menubar/access/super/remove menubar path ]
insert: func [
"Attaches an item into an existing menu."
root [object!] "The menu root"
path [path! word! integer! none!] "Path to an item to add to it's sub-menu"
item [object!] "Menu item already layouted"
/head "Add item at the head of the menu."
/before "Inserts item before the specified successor." succ [word! object!]
/after "Inserts item after the specified predecessor" pred [word! object!]
/tail "Inserts item at the tail of the menu (default)."
/as
var [word! none!] "Word by which to refer to the item."
/local
new menu items virtual
][
if none? path [
throw make error! "Inserting top-level items to menubars isn't implemented yet!"
]
var: any [:var get in item 'var]
case [
head [root/access/super/insert/head/as root path item var]
before [root/access/super/insert/before/as root path item var]
after [root/access/super/insert/after/as root path item var]
/default [root/access/super/insert/as root path item var]
]
]
]
;============================================================== menu-feel ==
;
; The MENU-FEEL is the central method object for all menu related
; functions.
;
; There are, for convience, some shorthands to them build directly into
; menu objects. But users who use them should be aware of losing the
; benefits of additional behaviour that comes with derived / overloaded
; methods.
;
menu-feel: make system/view/popface-feel-win-away [
super: none
redraw: func [
"Draws a menu."
menu [object!] offset [pair!]
][
menu/panel/color: menu/properties/menu.color
menu/panel/effect: menu/properties/menu.effect
menu/panel/edge: menu/properties/menu.edge
]
inside-menu?: func [menu event] [within? event/offset win-offset? menu menu/size ]
inside-menu-tree?: func [menu event] [
any [
menu/feel/inside-menu? menu event
all [
menu/parent
menu/feel/inside-menu-tree? menu/parent/menu event
]
]
]
pop-detect: func [menu event] [
case [
menu/feel/inside-menu-tree? menu event [
if find [down up move time key alt-down alt-up scroll-line] event/type [event ]
]
true [
either not find [up move time scroll-line key] event/type [
menu: menu/feel/root-of menu
menu/feel/close menu
][event ]
]
]
]
close: func [;-- CLOSE actually impements a custom HIDE-POPUP, if you like, call it a hack.
"Closes a menu (and all of it's items' sub-menus)." ; I simply couldn't cope with that one.
menu [object!]
/local ;-- NO-SHOW hinders multiple window refreshing closing nested menus.
/no-show ; Hidden, callers shouldn't have to care about that.
][
if all [menu/actor menu/actor/sub] [
menu/actor/sub/feel/close/no-show menu/actor/sub ;-- MENU/ACTOR/SUB may have a different FEEL
; (even though, for now, none are implemented).
]
if find system/view/pop-list menu [
unfocus menu ;
remove find menu/parent-face/pane menu ;-- Most likely to be a window, but I hope it can also be another non-menu popup :-)
remove find system/view/pop-list menu
menu/actor: none
unless no-show [show menu/parent-face]
]
if menu/parent [focus/no-show menu/parent/menu]
]
visit: func [;-- Visiting items may require revealing these items, which definitly is
"Visits menu item, making it the new actor." ; a job under responsibility of menus.
menu [object!] item [object!] ; Hence visiting items is implemented here instead on item level only.
][
if menu/actor <> item [
menu/feel/leave menu
menu/feel/reveal menu item
menu/actor: item
item/feel/visit item
]
]
leave: func ["Leaves menu actor, if any." menu [object!] /local item] [;-- Leaving an item should never be called explicitly, since it's done
if item: menu/actor [ ; implicitly by visiting another
menu/actor: none
item/feel/leave item ;-- Only if there was an actor, there is a item to leave (and to redraw).
]
]
root-of: func ["Returns menu's root menu." menu] [
forever [
if none? menu/parent [break/return menu]
menu: menu/parent/menu
]
]
first-of: func ["Returns first item." menu [object!]] [
foreach item menu/list/pane [
if instance-of item 'menu-item [break/return item]
]
]
prev-page-of: func ["Returns previous item." menu [object!] /local extra other] [
extra: any [menu/actor menu/feel/last-of menu]
foreach item next find reverse copy menu/list/pane extra [;-- This results in other being the last visble item or
if instance-of item 'menu-item [ ; none, if extra itself is the last visible one.
if menu/feel/visible? menu item [other: item]
if not menu/feel/visible? menu item [break/return other]
]
]
either other [other ;-- Returns first item on page ][
menu/actor: extra
while [
all [
menu/actor <> menu/feel/first-of menu
menu/feel/visible? menu extra
]
][menu/feel/visit menu menu/feel/prev-of menu ]
menu/actor
]
]
next-page-of: func ["Returns next item." menu [object!] /local extra other] [
extra: any [menu/actor menu/feel/first-of menu]
foreach item next find menu/list/pane extra [;-- This results in other being the last visble item or
if instance-of item 'menu-item [ ; none, if extra itself is the last visible one.
if menu/feel/visible? menu item [other: item]
if not menu/feel/visible? menu item [break/return other]
]
]
either other [other ;-- Returns last item on page ][
menu/actor: extra
while [
all [
menu/actor <> menu/feel/last-of menu
menu/feel/visible? menu extra
]
][menu/feel/visit menu menu/feel/next-of menu ]
menu/actor
]
]
prev-of: func ["Returns previous item." menu [object!] /wrap "Wrap at menu's top."] [
either none? menu/actor [
menu/feel/last-of menu
][
any [
foreach item next find reverse copy menu/list/pane menu/actor [
if instance-of item 'menu-item [break/return item]
]
either wrap [menu/feel/last-of menu] [menu/feel/first-of menu]
]
]
]
next-of: func ["Returns next item." menu [object!] /wrap "Wrap at menu's top."] [
either none? menu/actor [
menu/feel/first-of menu
][
any [
foreach item next find menu/list/pane menu/actor [
if instance-of item 'menu-item [break/return item]
]
either wrap [menu/feel/first-of menu] [menu/feel/last-of menu]
]
]
]
next-char-of: func [
"Returns next item starting with char (or NONE)."
menu [object!] char [char!] /local items
][
items: either menu/actor [
items: next find menu/list/pane menu/actor
append copy items copy/part menu/list/pane items
][menu/list/pane ]
foreach item items [
if all [
instance-of item 'menu-item
item/body/text
equal? uppercase char uppercase item/body/text/1
][break/return item ]
]
]
last-of: func ["Returns menu's last item." menu [object!]] [
foreach item reverse copy menu/list/pane [
if instance-of item 'menu-item [break/return item]
]
]
visible?: func ["Returns TRUE if is fully visible." menu [object!] item [object!]] [
not any [
menu/list/offset/y + item/offset/y < 0 ;-- Item is (partially) above the clipping region
menu/list/offset/y + item/offset/y + item/size/y > menu/clip/size/y ;-- Item is (partially) below the clipping region
]
]
show-less?: func [menu [object!]] [menu/list/offset/y < 0]
show-more?: func [menu [object!]] [menu/list/offset/y + menu/list/size/y > menu/panel/size/y]
hide-less?: func [menu [object!]] [menu/list/offset/y >= - menu/less/size/y]
hide-more?: func [menu [object!]] [menu/list/offset/y + menu/list/size/y <= (menu/clip/size/y + menu/more/size/y)]
show-less: func [menu [object!]] [
if not menu/less/show? [
menu/clip/offset/y: menu/clip/offset/y + menu/less/size/y
menu/clip/size/y: menu/clip/size/y - menu/less/size/y
menu/list/offset/y: menu/list/offset/y - menu/less/size/y
show menu/less
]
]
show-more: func [menu [object!]] [
if not menu/more/show? [
menu/clip/size/y: menu/clip/size/y - menu/more/size/y
show menu/more
]
]
hide-less: func [menu [object!]] [
if menu/less/show? [
menu/clip/offset/y: menu/clip/offset/y - menu/less/size/y ;-- Move clip to top and
menu/clip/size/y: menu/clip/size/y + menu/less/size/y ; grow it.
menu/less/rate: none
hide menu/less
]
]
hide-more: func [menu [object!]] [
if menu/more/show? [
menu/clip/size/y: menu/clip/size/y + menu/more/size/y ;-- Grow clip.
menu/list/offset/y: menu/list/offset/y + menu/more/size/y
menu/more/rate: none
hide menu/more
]
]
scroll: func [menu [object!] knob [object!]] [
case [
menu/less = knob [
menu/list/offset/y: menu/list/offset/y + menu/steps
menu/feel/show-more menu
if menu/feel/hide-less? menu [menu/feel/hide-less menu]
]
menu/more = knob [
menu/list/offset/y: menu/list/offset/y - menu/steps
menu/feel/show-less menu
if menu/feel/hide-more? menu [menu/feel/hide-more menu]
]
]
show menu/panel
]
reveal: func [
"Reveals the item (by scrolling the smallest amount necessary)."
menu [object!] item [object!]
/no-show
"Don't show the changes."
/local
delta clip list
][
delta: 0x0 clip: menu/clip list: menu/list
if any [
if 0 > delta/y: list/offset/y
+ item/offset/y [ ;-- Item is (maybe only partially) above the clipping region
menu/feel/show-more menu
list/offset/y: list/offset/y - delta/y
if menu/feel/hide-less? menu [menu/feel/hide-less menu]
true
]
if 0 < delta/y: list/offset/y
+ item/offset/y
+ item/size/y
- clip/size/y [;-- Item is (maybe onle partially) below the clipping region
menu/feel/show-less menu
list/offset/y: list/offset/y - delta/y
if menu/feel/hide-more? menu [menu/feel/hide-more menu]
true
]
][
if not no-show [show menu/panel]
]
]
map-key: func [
"Returns mapped EVENT/KEY."
menu [object!] event [event!] /local key
][
key: event/key
if event/control [
key: any [select [up page-up home home down page-down end end] key key] ;-- Control key increases key effect.
]
key
]
engage: func [menu action event /local actor item key] [
if event/type = 'key [
actor: menu/actor
key: menu/feel/map-key menu event
case [
'right = key [
if all [actor actor/sub] [
actor/feel/enter/new actor
item: actor/sub/feel/first-of actor/sub
item/menu/feel/visit item/menu item
wait []
]
]
#" " = key or
(#"^M" = key) [
if actor [
either actor/sub [
actor/feel/enter actor
][actor/feel/engage actor 'up event ]
]
]
escape = key or
('left = key) or
('backspace = key) [menu/feel/close menu]
'home = key [menu/feel/visit menu menu/feel/first-of menu]
'page-up = key [menu/feel/visit menu menu/feel/prev-page-of menu]
'up = key [menu/feel/visit menu menu/feel/prev-of/wrap menu]
'down = key [menu/feel/visit menu menu/feel/next-of/wrap menu]
'page-down = key [menu/feel/visit menu menu/feel/next-page-of menu]
'end = key [menu/feel/visit menu menu/feel/last-of menu]
/default [
use [item] [if item: menu/feel/next-char-of menu key [menu/feel/visit menu item]]
]
]
]
]
]
;=========================================================== menubar-feel ==
;
; The MENUBAR-FEEL remaps cursor keys a bit to adjust them to the needs
; of horizontally layouted menubar-items.
;
menubar-feel: make menu-feel [
super: menu-feel
detect: func [menubar event][menubar/feel/super/pop-detect menubar event ]
redraw: none
close: func [menubar] [
if menubar/actor [
if menubar/actor/sub [
menubar/actor/sub/feel/close menubar/actor/sub
]
menubar/feel/leave menubar
menubar/state: 'click-to-enter
unfocus
]
]
reveal: none
next-page-of: :last-of
prev-page-of: :first-of
map-key: func [;** Overwriting feel/super/map-key, menubars behave different than menus. Hack?
"Returns mapped EVENT/KEY."
menu [object!] event [event!] /local key
][
key: any [
select [left up up right down right] event/key
event/key
]
if event/control [
key: any [select [up page-up home home down page-down end end] key key] ;-- Control key increases key effect.
]
key
]
pop-detect: none
over: none
reveal: none
]
;=============================================================== new-menu ==
;
new-menu: func ["Returns an uninitilized menu."] [
make system/view/vid/vid-face [
class: make block! [menu]
flags: [field]
feel: menu-feel
access: menu-access
color: edge: data: groups: properties: parent: actor: none
steps: 4 ;-- Dialect this!
items: make block! [] ;-- ITEMS holds the menu's items, the block consits
; of ID / ITEM pairs for easy selection of items. Get rid of that!
shadow: panel: less: clip: list: more: none ;-- Accessors for the various sub-faces of a menu.
; The actual items are to be found in LIST's pane,
pane: reduce [; but clients should use ITEMS.
shadow: make face [
color: edge: none
image: shadow-image
effect: [extend alphamul 32]
]
panel: make face [
color: none
edge: none
effect: none
pane: reduce [
less: make face [color: edge: none feel: knob-feel]
clip: make face [
color: edge: none
pane: reduce [
list: make face [color: edge: none pane: make block! []]
]
]
more: make face [color: edge: none feel: knob-feel]
] ] ] ] ]
;============================================================= build-menu ==
;
build-menu: func [
"Builds a menu and it's sub-faces."
item [object! none!] "the menu's parent item or NONE"
desc [block!] "the menu description"
/local
menu parent
][
menu: new-menu
menu/parent: item
menu/data: desc
menu/properties: either parent: all [menu/parent menu/parent/menu/properties] [
context [
menu.image: parent/menu.image
menu.effect: parent/menu.effect
menu.spacing: parent/menu.spacing
menu.edge: parent/menu.edge
menu.rate: parent/menu.rate
menu.color: parent/menu.color
item.action: parent/item.action
item.effects: parent/item.effects
item.colors: parent/item.colors
item.icon.images: none ;-- no inheritence
item.icon.effects: none ;
item.body.images: none ;
item.body.font: parent/item.body.font
item.key.font: parent/item.key.font
item.body.para: parent/item.body.para
item.key.para: parent/item.key.para
item.edge: parent/item.edge
]
][
context [
menu.image: none
menu.effect: [gradient 1x1 white silver]
menu.spacing: 2x2
menu.edge: make system/standard/face/edge [size: 2x2 color: silver effect: 'bevel]
menu.rate: 64
menu.color: white
item.action: none
item.effects: reduce [none [gradient 1x1 white 255.64.64] none [gradient 1x1 white silver]]
item.colors: reduce [none silver none none]
item.icon.images: none
item.icon.effects: none
item.body.images: none
item.body.font: make system/standard/face/font [offset: 2x0 align: 'left valign: 'center colors: reduce [black black gray gray] shadow: none]
item.key.font: make system/standard/face/font [offset: 2x0 align: 'left valign: 'center colors: reduce [black black gray gray] shadow: none]
item.body.para: make system/standard/face/para [origin: 5x2 margin: indent: 0x0 wrap?: no]
item.key.para: make system/standard/face/para [origin: 5x2 margin: indent: 0x0 wrap?: no]
item.edge: make system/standard/face/edge [size: 2x2 colors: reduce [none 255.192.192 none none] effects: reduce [none 'ibevel none 'ibevel]]
]
]
menu
]
;============================================================ layout-menu ==
;
set 'layout-menu func [
"Returns a menu (face) built from style/content description dialect."
desc [block!] "Dialect block of styles, attributes, and layouts"
/parent
"Bind menu to an item as it's sub-menu."
item [object!] "A menu-item face"
/style
"Base menu on existing style sheet."
sheet [block!] "A style sheet of menu and item styles."
/local
menu value properties
mark-size icon-size body-size key-size arrow-size
item-offset item-size
][
menu: build-menu item desc
properties: menu/properties
if style [insert desc sheet] ;-- Include the stylesheet applied and then
; go and look for style refinements
menu/panel/edge: menu/properties/menu.edge
menu/panel/color: menu/properties/menu.color
menu/panel/image: menu/properties/menu.image
parse desc [
any [
'menu 'style some [
'color set value [word! | tuple!] (
properties/menu.color: cast value [
word! [get value]
tuple! [value]
]
)
| 'spacing set value [integer! | pair!] (
properties/menu.spacing: to pair! value
)
| 'edge set value ['none | none! | block!] (
if any [none? value 'none = value] [value: [size: 0x0]]
properties/menu.edge: make properties/menu.edge value
)
| ['backdrop | 'image] set value [word! | file! | image!] (
properties/menu.image: cast value [
word! [get value]
file! [load value]
image! [value]
]
)
| 'effect set value ['none | none! | word! | lit-word! | block!] (
if any [none? value 'none = value] [value: none]
properties/menu.effect: all [value compose [(value)]]
)
]
| 'item 'style some [
'colors set value ['none | none! | block!] (
if any [none? value 'none = value] [value: []]
properties/item.colors: reduce value
)
| 'effects set value ['none | none! | block!] (
if any [none? value 'none = value] [value: []]
properties/item.effects: compose [(value)]
)
| 'font set value [block!] (
properties/item.body.font: make properties/item.body.font value
properties/item.key.font: make properties/item.key.font value
)
| 'para set value [block!] (
properties/item.body.para: make properties/item.body.para value
properties/item.key.para: make properties/item.key.para value
)
| 'body [
'font set value [block!] (
properties/item.body.font: make properties/item.body.font value
)
| 'para set value [block!] (
properties/item.body.para: make properties/item.body.para value
)
]
| 'key [
'font set value [block!] (
properties/item.key.font: make properties/item.key.font value
)
| 'para set value [block!] (
properties/item.key.para: make properties/item.key.para value
)
]
| 'edge set value ['none | none! | block!] (
if any [none? value 'none = value] [value: [size: 0x0]]
properties/item.edge: make properties/item.edge value
)
| 'action set value block! (
properties/item.action: value
)
]
]
desc:
to end
]
layout-items menu desc
menu/list/pane: head menu/list/pane
menu
]
;============================================================ adjust-menu ==
;
; ADJUST-MENU calculates all values (offsets and such) that are subject
; to change between to shows of the menu.
;
; COMMENT: Currently, the responsibilities of ADJUST-MENU and SHOW-MENU aren't defined very clear,
; here's room for improvements.
;
adjust-menu: func ["Adjusts the menus size and returns its size." menu [object!]] [
menu/panel/edge: menu/properties/menu.edge
menu/panel/image: menu/properties/menu.image
adjust-items menu/list/pane
]
;############################################# PUBLIC INTERFACE FUNCTIONS ##
;
;============================================================== show-menu ==
;
; The SHOW-MENU actually does all the work of showing a previously set up
; menu. Client scripts that only use MENUBAR and/or DROP-MENU don't
; need to call this, they just LAYOUT-MENU their menus and feed those
; VID-Styles with them.
;
set 'show-menu func [
"Shows a menu."
window [object!]
menu [object!]
/offset ;-- This is of use only for top-level menus, positions of further nested
"Prescribes where to open the menu." ; menu are calculated automatically depending of WIN-OFFSET of the parent item
at [pair!] ; they're bound to.
/size
"Restrict menu's size"
max-size [pair!]
/new
"Opens a new window and returns immediately." ;-- Works like in VIEW.
/local
value
item divider item-offset menu-size shadow-size
][
shadow-size: 4x4 ;-- For now, prescribe that shadows have to be 4x4 pixels wide!
max-size: any [max-size window/size]
menu-size: adjust-menu menu
menu/less/size: menu/more/size: 1x0 * menu-size/x + 0x12 ;-- Preparation of the less- and more-knobs, we'll may need them.
draw-knob menu 'less ;
draw-knob menu 'more ; This is somewhat strange, but may it be.
menu/list/offset: 0x0 ;-- Let's see how big the menu want's to be get.
menu/list/size: second span? menu/list/pane ;
menu/clip/size/x: menu/list/size/x
menu/panel/offset: menu/shadow/offset: 0x0
menu/less/offset: menu/clip/offset: menu/more/offset: menu/properties/menu.spacing
either menu/list/size/y ;-- If it's bigger than it's allowed to get,
+ (second edge-size? menu/panel) ; we need the more button
+ (2 * menu/properties/menu.spacing/y)
+ shadow-size/y
> max-size/y [
menu/less/show?: not menu/more/show?: yes
menu/clip/size/y: max-size/y ;-- of course this is only correct for offset/y = 0 and max-size/y = window/size/y
- (second edge-size? menu/panel)
- (2 * menu/properties/menu.spacing/y)
- shadow-size/y
][
menu/less/show?: menu/more/show?: no
menu/clip/size/y: menu/list/size/y
]
menu/more/offset/y: menu/clip/offset/y + menu/clip/size/y
menu/panel/size: (2 * menu/properties/menu.spacing) + menu/clip/size + edge-size? menu/panel
if menu/less/show? [menu/panel/size/y: menu/panel/size/y + menu/less/size/y]
if menu/more/show? [menu/panel/size/y: menu/panel/size/y + menu/more/size/y]
menu/shadow/size: menu/panel/size + shadow-size
at: any [;-- Calculating offset: Where are we supposed to open?
at ;
if menu/parent [ ; If caller made no suggestion, we position the menu at the right edge
at: win-offset? menu/parent ; vertically centered with the actor.
at/x: at/x + menu/parent/size/x ;
if menu/parent/menu/edge [
at/x: at/x + menu/parent/menu/edge/size/x
]
if menu/panel/edge [at/y: at/y - menu/panel/edge/size/y ]
at/y: at/y + (menu/parent/size/y - menu/list/pane/1/size/y / 2)
at/y: max 0 at/y
at
]
0x0
]
menu/size: menu/shadow/size
if at/x + menu/size/x > window/size/x [;-- Right border check --
either menu/parent [
at/x: max 0 at/x - menu/panel/size/x - menu/parent/size/x
][at/x: max 0 window/size/x - menu/size/x ]
]
if at/y + menu/size/y > window/size/y [;-- Bottom border check --
at/y: max 0 window/size/y - menu/size/y
]
if at/y + menu/size/y > window/size/y [;-- Size check, again --
menu/size/y: menu/shadow/size/y: window/size/y
menu/panel/size/y: menu/size/y - 4
menu/clip/size/y: menu/panel/size/y - 4 - menu/more/size/y
menu/more/show?: yes
menu/more/offset/y: menu/clip/size/y
]
menu/offset: at
show-popup/window/away menu window ;-- Finally, let's start the show
focus/no-show menu
unless new [wait []]
]
;############################################################# VID-Styles ##
;
;=============================================================== MENU-BAR ==
;
; The VID-style MENU-BAR. Supports easy integration of menus into a
; VID layout.
;
; Regarding customization: MENU-BAR is, by it's nature, available for
; styling through the usual VID dialect.
;
; Whereas menubar-items currently are not!
;
; But doing the menubar/properties/menubar.foo
; and menuitem/properties/menuitem.bar thing here, too,
; should work just fine.
stylize/master [
menu-bar: face with [
flags: [field]
class: make block! [menu-bar]
parent: none
data: none
state: 'click-to-enter
sheet: none
list: self ;-- To make all the menu/list/pane paths from menubar/feel/super/... work.
set: get: func [;-- Updating e.g. text of menubar-items is problematic, but it would be useful for e.g. disabling these
"Set or get item values (executes code in item's context)."
path [path! word!] "Path to an item anywhere down in the tree"
code [block!] "Code executed in item's context"
/local
item
][
item: select items first path: to path! :path
either empty? next path [
do bind :code in item 'self
show item
][item/sub/set next path :code ]
]
colors: reduce [none 178.180.191]
font: make font [name: "Tahoma" size: 11 color: black offset: space: 0x0 shadow: none]
color: none edge: none actor: none items: none
words: [
menu [new/data: first next args next args]
menu-style [new/sheet: first next args next args]
]
init: [
pane: copy []
list: self ;** To make all the menu/list/pane paths from menubar/feel/super/... work. Hack?
items: copy []
feel: ctx-menus/menubar-feel
access: ctx-menus/menubar-access
if all [sheet data] [insert data sheet]
use [value menu-bar specs item item-offset actor specs] [
menu-bar: self
parse data [
copy specs to set-word! (specs: any [specs copy []])
some [
set value set-word! 'item (
insert tail pane item: make new-item [
item: self
class: append class 'menu-item
menu: menu-bar
var: to word! value
font: menu-bar/font
para: make system/standard/face/para [
origin: 5x4 margin: none wrap?: no
]
feel: ctx-menus/baritem-feel
]
insert tail menu-bar/items reduce [item/var item]
)
any [
set value string! (
item/text: value
)
| 'menu set value block! (
item/data: insert value specs
item/sub: layout-menu value
item/sub/parent: item ;-- Is this hack potentially dangerous?
)
]
]
]
item-offset: 0x0
foreach item pane [
item/size: add text-size? item edge-size? item
if all [item/para item/para/origin] [item/size: item/size + (2 * item/para/origin) ]
item-offset: item/size + item/offset: 1x0 * item-offset
]
]
size: add second span? pane edge-size? self
]
multi: make multi [
file: func [face blk] [
if pick blk 1 [
face/data: load first blk
]
]
]
]
]
;============================================================== DROP-MENU ==
;
; Much like menu-bars, but different in that the DROP-MENU actually is
; nothing but a shorthand for binding a menu to a button, with the
; one speciality that it auto-inserts the chosen items body-text
; into the containing field.
;
; The insertion is done in the item's action block, hence, DROP-MENU
; is currently still experimental, as it would be difficult if possible
; for clients to modify that behaviour.
;
stylize/master [
drop-menu: field with [
style: none
size: 100x21
font: make face/font [offset: 2x6 colors: reduce [black black] name: "Tahoma" size: 11 align: 'left]
edge: make face/edge [size: 1x1 effect: none color: 178.180.191]
para: make face/para [wrap?: no margin: 22x5]
feel: make feel [
redraw: func [face act pos] bind [
if all [in face 'colors block? face/colors] [face/color: pick face/colors face <> focal-face ]
if all [in face/font 'colors block? face/colors] [face/font/color: pick face/font/colors face <> focal-face ]
] in system/view 'self
engage: func [face act event] bind [
switch act [
down [
either equal? face focal-face [unlight-text] [focus/no-show face]
caret: offset-to-caret face event/offset
show face
]
over [
if not-equal? caret offset-to-caret face event/offset [
if not highlight-start [highlight-start: caret]
highlight-end: caret: offset-to-caret face event/offset
show face
]
]
key [
either event/key = 'down [
face/pane/action
][ctx-text/edit-text face event get in face 'action ]
]
]
] in system/view 'self
]
menu: none
words: [
menu [new/data: first next args next args]
menu-style [new/style: first next args next args]
]
init: [
if all [style data] [insert data style]
use [anchor parent] [
parent: anchor: self
if not string? text [text: either text [form text] [copy ""]]
colors: reduce [white yellow + 64.64.64]
pane: make-face/spec 'btn [
effect: [extend 14 draw [pen 0.0.0 fill-pen 0.0.0 polygon 5x7 11x7 8x10]]
size: 17x17
offset: 1x0 * parent/size - 20x-1
set in parent 'menu layout-menu parent/data
action: [
unfocus
show-menu/offset find-window parent parent/menu (win-offset? parent) + (0x1 * parent/size) - 1x2
]
]
]
]
]
]
]
Here is the code of a demo and screenshots:
REBOL [
Title: "Menu-System Demo"
Name: 'Menu-System-Demo
File: %menu-system-demo.r
Version: 0.2.0.1 ;-- Auto download %menu-system.r
Date: 12-Jun-2005
Author: "Christian Ensel"
Email: christian.ensel@gmx.de
Owner: "Christian Ensel"
Rights: "Copyright (c)2005 Christian Ensel"
Purpose: "Demostration of features of menu-system.r"
Comments: "Needs %menu-system.r to run."
Library: [
level: 'beginner
platform: 'all
type: [demo]
code: 'module
domain: [user-interface vid gui]
tested-under: [view 1.3.0.3.1 on "WinXP"]
support: none
license: none ;-- Not bothered with licensing stuff yet, but most likely BSD
see-also: none
]
]
unless request/confirm {The Menu System Demo requires %menu-system.r to be downloaded from REBOL.org^/Click YES to continue, NO to abort.} [quit ]
demo: copy/part form system/script/header/version 5
script: load-thru/check http://www.rebol.org/library/scripts/menu-system.r to tuple! demo
do script
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}
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}
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}
icon-file.img: load 64#{
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}
rebol-logo.img: load 64#{
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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tbCNrWxnS9va2ra2sEqBBF76ywC4AFa3DS5aL+CBD0hgrKpIrnKXy9zmOve50I2u
dKdL3epa97rY3UQgAAA7
}
mac-backdrop.img: load 64#{
iVBORw0KGgoAAAANSUhEUgAAAAEAAAAECAYAAABP2FU6AAAAG0lEQVR42gXBAQ0A
AAzDoOb+xc4Bh+C2FVzVA4hoCs1lccrMAAAAAElFTkSuQmCC
}
che-logo.img: load 64#{
iVBORw0KGgoAAAANSUhEUgAAAFQAAABUCAYAAAAcaxDBAAALNklEQVR42u2df0yT
dx7H35gn5pHVW/XAlJ27sztN7ELNIGMKg5mVk8UaYRbnZlE2rZqxyjWusp7XLYyJ
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gXa5Fpu2bBpyjUQ3Pks2C/IU+WFgaNIC6xtWmjFjBhQKxZByN2/cRF9/H3btTPwT
hrHcSN6/e9HZ1YlAVwByuRyqhSqUrCnB1le33rvcdUxMTExMTExMTAnVdrkt2eP1
1MU6HsuNi+nTJwg6RNYTy1UVWoXcRDGBWLZ5vJ66O6/pPuGO8spilZtwSf8DgrPB
SR6vp27ArwcQTm8JANCu1JK5wkzmbaFVJZLvLHkhjvcdYb/esCFUp+tEqLyhLPRZ
yhYu+ermCjPp1+tJaBVyzdvMMb0iaRWLlEPPsMFAxnIjCa1CrmGDgQZcVhjLjERE
JNkv2elsdJJwXtA7G5xj9pZGHG0SWoVcKYVlSWlJUr4m/xWxVwzD9XUMRvBLnitB
ZkYmDvzlQNIdPjWyn86mR1WP5q0oXJEEDMYziwuLQ58Hsottf217EjAYI9Uu1x7W
PK1BTnbOhWJ9cZ7f74+yz9Xsolmps+DxeuoyHss4DACapzWQyuhW6uC/4V8BAGkP
p6F4TTE2bdmUJFwWckWI8Hg9dQqF4nBOXk7jXUW/RnNyZ1fnkGMlpSVJAy20LPJ4
rMBvsS4Erfrtagq7vVxsi+x1dtr6ytakWBbmZOVcsL5hHVouGD/HXmTWstf//HoS
AGhyNcSDfwBi/HIT1kJzsnMuIAjYa+3kanaR0CrkisFBI8VeMTwO+W/4EdliO3s6
0Xa5LVnqxob1hqhykerpCv0uL5wV4PF66np+6IFwXtD7O/xl7e2hhRXORidF/qop
fVmu4y5Uv10dHg781wbt8F/zo/2rUHnrDisBgFanRWZW5m3fdz5Yd1hJ6uo9XT2Q
xtwpn3VXuDx8eO6u6m8dWf13TpgTbRfTGPV/zG/zrO81GWkAAAAASUVORK5CYII=
}
shadow-normal.img: load 64#{
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+g
vaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH1QQUCzYGyPaalQAAAINJ
REFUeNrd0qEOwjAUBdADDIJDIYaZWPjJfSZuAo2bQiybKKZLmqUzRcE1TZO+U3Ef
P59DwUyHCwKGqgBocFou+wLghhptKVDjjGMpkOb6LeAPgCqzJE1SVS4vjJgR1sAj
WZJhAxgj8sS0Bvp4tkvPmcxxeEC/yzy4Lx1vAAFT/Oz9ASj/FhDibXHbAAAAAElF
TkSuQmCC
}
shadow-round.img: load 64#{
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABGdBTUEAALGPC/xh
BQAAAAd0SU1FB9UEFAs2Bsj2mpUAAAAYdEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2
Mi4xYk9rci8AAADFSURBVDhPlZLBEYJADEV3xwI4WINXK7EXLp480YZHa7ANarEF
zWMMZrPBCZn5DLD8l78bDrXW4lV+dZfbs2gQvUVH0cusl8bcLLQPgG6ii+gUAv6Y
dekZQoi/o/okOwGkADKF20kmUcjYnUcSMMt3D9FVAUTKFqPsAIwnW968jJTZZlJE
3RcAF1JwOFvlzbr/FUAKICSxIDVqdD28BqApPARTZMS8TsBGJg6Q6ZuEbrajGrvu
EYSfxHYC7rV5YNHH9l1j/AAM0TR5BZM1PAAAAABJRU5ErkJggg==
}
edge-round.img: load 64#{
iVBORw0KGgoAAAANSUhEUgAAABoAAABDCAQAAAAowt16AAACNUlEQVR42u3XQUsb
YRDG8d+72cSoEVtKIKEHPUlvHgqlYA/pud76gdp8kIJfwJv35qAghR68eigBsa3Y
QsG0SpLN9pAYN2ptkoIIdW67vP99ZnaG2X1Cqh87NTVvXBuxVFLXWGv0r0OaAZb9
OZowAONzZBlVqUgiiPSEIZDK9cE37DTXmjF9pIKfNyg91htg3obtmvfLKn75WxTM
ONTkZaxmzGgPklQL2+l4OlDSduBIZIJoieWYDKJrdnIoCJNDpHcbmqomt5ReOo1S
uMWa7qF/heKr/U50nWihpCQ/euQqRM6ZU1+damFBUVVRQTqY7yGUZIbklyPf7duz
jeee+qmsbC5z6pJS27FP9mwij1271j3TU5UfhcJw05w59sGWgiAnyOnZMmPRA1Hm
+Rmlji/2bSkMthuRBJsq5i1ljkYXSi1nPiI6X7/ICdhz6uT6PrWc2JXPIH0sb1tL
63qoZMFznZH3RKLjhZLSKJQOoaKn6GWwRIpVsxauV8qrWrGurast0dPR1fbaispI
b+ILpVhR2TMzwz51sG7VI7Mjlcaj37qynkWVzESsKCsrXp6IXGZg51Q9MO+JVyOz
l9w0sIm8yNKVKQ9/hsLgVr+6+8Xyn0HpNJ/PMF16d/qXYMr0bguaqk+x00mhkq4E
kXrTV3NjQYlvjqhHGuPqFM63UCP3rnkQftRiD+V1bkAWRD5rUl/biNEYGI8bXc1h
3w7VbRCz1tg59yvj+KfmwHT93al1h4YLfgMuDa/Ykl2CzQAAAABJRU5ErkJggg==
}
red-image: to image! layout/tight [box 96x16 edge [size: 1x1 color: red effect: 'ibevel] effect reduce ['gradient 1x1 white red ]]
blue-image: to image! layout/tight [box 96x16 edge [size: 1x1 color: blue effect: 'ibevel] effect reduce ['gradient 1x1 white blue ]]
green-image: to image! layout/tight [box 96x16 edge [size: 1x1 color: green effect: 'ibevel] effect reduce ['gradient 1x1 white green ]]
yellow-image: to image! layout/tight [box 96x16 edge [size: 1x1 color: yellow effect: 'ibevel] effect reduce ['gradient 1x1 white yellow]]
menu-data: [
file: item "File"
menu [
new: item <Ctrl-N> "new" icons [icon-1.img icon-2.img]
open: item <Ctrl-O> "open" icons [icon-2.img icon-3.img]
recent: item "open recent" icon icon-3.img disable
menu [
item "Fugu" icon icon-1.img
item "Starimbiss" icon icon-2.img disable
item "Nexte Lied" icon icon-3.img disable
item "So Blau" icon icon-1.img disable
]
---
save: item <Ctrl-S> "save" icons [icon-3.img icon-1.img]
save-as: item <Ctrl-A> "save as" icons [icon-1.img icon-2.img]
---
close: item <Ctrl-W> "close" icons [icon-2.img icon-3.img]
---
exit: item <Ctrl-Q> "exit" icons [icon-3.img icon-1.img]
]
edit: item "Edit"
menu [
item "undo" icon icon-3.img
item "redo" icon icon-1.img
---
item "cut" icon icon-2.img
item "copy" icon icon-3.img
item "paste" icon icon-1.img
]
more: item "More"
menu [
a: item "Drive A:" icon icon-2.img
menu [
item "Files" icon icon-3.img
menu [
item "A File" icon icon-2.img
item "This is a multi-line^/menu-item, which is^/unuasual but fun."
]
]
b: item "Drive B:" icon icon-2.img
menu [item "(no such drive)" disable ]
c: item "Drive C:" icon icon-2.img
menu [
item "I368" icon icon-3.img
item "SUPPORT" icon icon-3.img
item "VALUEADD" icon icon-3.img
item "WINDOWS" icon icon-3.img
]
d: item "Drive D:" icon icon-3.img
menu [
item "The Very Best of $MYFAVOURITEARTIST" icon icon-1.img
menu [
item "Greatest Song Ever" icon icon-2.img
item "Another great song" icon icon-3.img
]
]
e: item "Drive E:" icon icon-2.img
menu [
item <1> "This" icon icon-1.img radio of 'Teamleitung on
---
item <2> "is" icon icon-2.img radio of 'A on
item <3> "an" icon icon-3.img radio of 'A
---
item <4> "example" icon icon-1.img check ; oh, check and radio in one group aren't possible yet!
item <5> "of" icon icon-2.img check ;radio
---
item <6> "radio" icon icon-2.img radio of 'B
item <7> "and" icon icon-3.img radio of 'B
item <8> "check" icon icon-1.img radio of 'C
item <9> "items" icon icon-1.img radio of 'C
---
item <A> "Hold" icon icon-2.img check
item <B> "SHIFT-Key" icon icon-3.img check on
item <C> "down" icon icon-1.img check
item <D> "to" icon icon-2.img check
item <E> "toggle" icon icon-3.img check on
item <F> "multiple" icon icon-1.img check on
item <G> "items" icon icon-2.img check
item <H> "at" icon icon-3.img check
item <I> "once" icon icon-1.img check
]
]
again: item "Even more" menu [
undo: item "undo" <Ctrl-Z> icon icon-1.img
redo: item "redo" <Ctrl-Y> icon icon-2.img
bar
cut: item "cut" <Ctrl-X> icon icon-3.img
copy: item "copy" <Ctrl-C> icon icon-1.img
paste: item "paste" <Ctrl-V> icon icon-2.img
bar
red: item image red-image <Ctrl-F1> check on of 'Colors
green: item image green-image <Ctrl-F2> check off of 'Colors
blue: item image blue-image <Ctrl-F3> check on of 'Colors
yellow: item image yellow-image <Ctrl-F4> check off of 'Colors
bar
red: item "red" <F1> body font [colors: reduce [red black]] colors [none red ] radio on of 'Colors edge [color: 0.0.0]
green: item "green" <F2> body font [colors: reduce [green black]] colors [none green ] radio of 'Colors edge [color: 0.0.0]
blue: item "blue" <F3> body font [colors: reduce [blue black]] colors [none blue ] radio of 'Colors edge [color: 0.0.0]
yellow: item "yellow" <F4> body font [colors: reduce [yellow black]] colors [none yellow] radio of 'Colors edge [color: 0.0.0]
bar
small: item "small" body font [size: 9] radio of 'Size
normal: item "normal" body font [size: 11] radio of 'Size on
big: item "big" body font [size: 14] radio of 'Size
huge: item "huge" body font [size: 21] radio of 'Size
bar
rebol: item image rebol-logo.img <Ctrl-F> icon icon-1.img
bar
che: item <?> "When?" body font [style: 'bold] icon icon-3.img menu [
month: item "Month" icon icon-2.img menu [
jan: item radio "Januar"
feb: item radio "Februar"
mär: item radio "March"
apr: item radio on "April" font [color: 0.0.255] action [print [item/body/text ", " item/body/text ", der macht, was er will."]]
mai: item radio "May"
jun: item radio "June"
jul: item radio "July"
aug: item radio "August"
sep: item radio "September" menu [.: item "Radio items with sub-menus? What's that?"]
okt: item radio "October"
nov: item radio "November"
dez: item radio "December"
]
week: item "Week" icon icon-1.img
day: item "Day" icon icon-1.img
bar
properties: item "Properties" icon icon-2.img
]
ha: item "When?" icon icon-1.img menu [
month: item "month" icon icon-2.img
week: item "week" icon icon-1.img
day: item "day" icon icon-3.img
bar
properties: item "Properties" icon icon-2.img
]
---
delete: item "delete" <Ctrl-D> icon icon-1.img
]
about: item "About" menu [
author: item "Author" icon icon-1.img
menu [
logo: item image che-logo.img icon icon-2.img
]
---
script: item icon icon-2.img {This is my first attempt^/of implementing a full-fledged^/skinnable REBOL menu-system^/which allows for menus looking^/and behaving pretty much like^/native OS menus.}
---
wish: item "Hope you'll like it!" icon icon-2.img
]
]
cool-menu: layout-menu/style copy menu-data cool-style: [
menu style edge [color: none size: 13x33 image: edge-round.img effect: [extend 13x33]]
color 60.60.60
effect none
spacing 0x0
item style font [name: "Trebuchet MS" size: 16 style: 'bold colors: reduce [white black]]
edge none
colors [none silver]
effects none
action [print ["Selected item" item/var]]
]
wierd-menu: layout-menu/style copy menu-data wierd-style: [
menu style edge [color: none size: 2x2 effect: [merge alphamul 75 colorize pink]]
effect [merge alphamul 75 colorize yellow]
spacing 2x2
color none
item style font [name: "Comic Sans MS" size: 12 style: 'bold colors: reduce [reblue yellow] shadow: none]
effects [
[merge alphamul 75 colorize orange] ; enabled normal
[merge alphamul 75 colorize violet] ; enabled hovered
[merge alphamul 75] ; disabled normal
[merge alphamul 75] ; disabled hovered
]
edge [color: none size: 2x2 effect: 'invert]
colors none
]
winxp-menu: layout-menu/style copy menu-data winxp-style: [
menu style edge [size: 1x1 color: 178.180.191 effect: none]
color white
spacing 2x2
effect none
item style font [name: "Tahoma" size: 11 colors: reduce [black black silver silver]]
colors [none 187.183.199]
effects none
edge [size: 1x1 colors: reduce [none 178.180.191] effects: []]
action [print item/body/text]
]
mac-menu: layout-menu/style copy menu-data mac-style: [
menu style edge [size: 1x1 color: black effect: none]
image mac-backdrop.img
effect 'tile color none
spacing 2x2
item style font [name: "Haettenschweiler" size: 18 style: none colors: reduce [black white]]
colors none
edge none
effects [none [merge colorize blue] none [merge colorize silver]]
action [print ["Item" item/var "chosen."]]
]
rebol-menu: layout-menu copy menu-data ;-- unstyled default
menu-from-dir: func [dir [file!] /local entries menu dirs m] [
entries: try [sort read dir]
menu: copy [item style action [drop-file/text: item/body/text show drop-file focus drop-file]]
dirs: make block! []
foreach entry entries [
either #"/" = last entry [
insert tail dirs compose [item (to string! head remove back tail copy entry)]
if not empty? m: menu-from-dir dir/:entry [
insert tail dirs reduce ['icon 'icon-folder.img 'menu (m)]
]
][
insert tail dirs compose [item (to string! entry) icon icon-file.img]
]
]
if empty? dirs [dirs: [item "(empty)" disable]]
append menu dirs
]
dir-data: menu-from-dir dirize system/options/home
slider-menu: layout-menu/style [
r: slider <Red> icon [icon-3.img icon-2.img] check
menu [
item "red" <255> [set-menu slider-menu 'r [slider/data: 255]] colors [none red]
item "maroon" <128> [set-menu slider-menu 'r [slider/data: 128]] colors [none maroon]
item "black" <000> [set-menu slider-menu 'r [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
g: slider <Green> icon [icon-3.img icon-2.img] check
menu [
item "green" <255> [set-menu slider-menu 'g [slider/data: 255]] colors [none green]
item "leaf" <128> [set-menu slider-menu 'g [slider/data: 128]] colors [none leaf]
item "black" <000> [set-menu slider-menu 'g [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
b: slider <Blue> icon [icon-3.img icon-2.img] check disable
menu [
item "blue" <255> [set-menu slider-menu 'b [slider/data: 255]] colors [none blue]
item "navy" <128> [set-menu slider-menu 'b [slider/data: 128]] colors [none navy]
item "black" <000> [set-menu slider-menu 'b [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
---
w: slider <Greyscale> icon [icon-3.img icon-2.img] check off
---
h: slider <Hue> icon [icon-3.img icon-2.img] check on
s: slider <Saturation> icon [icon-3.img icon-2.img] check on
v: slider <Value> icon [icon-3.img icon-2.img] check on
---
b: slider <Transparency> icon [icon-3.img icon-2.img] check on
] winxp-style
slider-menu-text: {slider-menu-data: [
r: slider <Red> icon [icon-3.img icon-2.img] check
menu [
item "red" <255> [set-menu slider-menu 'r [slider/data: 255]] colors [none red]
item "maroon" <128> [set-menu slider-menu 'r [slider/data: 128]] colors [none maroon]
item "black" <000> [set-menu slider-menu 'r [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
g: slider <Green> icon [icon-3.img icon-2.img] check
menu [
item "green" <255> [set-menu slider-menu 'g [slider/data: 255]] colors [none green]
item "leaf" <128> [set-menu slider-menu 'g [slider/data: 128]] colors [none leaf]
item "black" <000> [set-menu slider-menu 'g [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
b: slider <Blue> icon [icon-3.img icon-2.img] check disable
menu [
item "blue" <255> [set-menu slider-menu 'b [slider/data: 255]] colors [none blue]
item "navy" <128> [set-menu slider-menu 'b [slider/data: 128]] colors [none navy]
item "black" <000> [set-menu slider-menu 'b [slider/data: 0]] colors [none black] font [colors: reduce [black white]]
]
---
w: slider <Greyscale> icon [icon-3.img icon-2.img] check off
---
h: slider <Hue> icon [icon-3.img icon-2.img] check on
s: slider <Saturation> icon [icon-3.img icon-2.img] check on
v: slider <Value> icon [icon-3.img icon-2.img] check on
---
b: slider <Transparency> icon [icon-3.img icon-2.img] check on
]
slider-menu: layout-menu/style slider-menu-data winxp-style
}
version: rejoin ["Version: " system/script/header/version " " system/script/header/date]
window: center-face layout/size [
style text text font [name: "Tahoma" size: 11]
backcolor white across
at 0x0 sensor 800x600 feel [engage: func [face action event] [if action = 'alt-up [show-menu/offset window menus/context-menu event/offset]]]
at 600x2 text 190x22 version as-is effect [gradient 1x0 255.255.255 255.128.128]
at 2x2 app-menu: menu-bar menu menu-data menu-style winxp-style snow
at 2x30
pad 18 text "Above you see the VID-Style MENU-BAR with a WinXP styled menu." gray
across origin 20x60 pad -18
text "Here are some examples on skinning / styling menus:" underline return
btn "WinXP" [show-menu/offset window winxp-menu 0x1 * face/size + face/offset - 1x0]
btn "Mac" [show-menu/offset window mac-menu 0x1 * face/size + face/offset - 1x0]
btn "REBOL (default)" [show-menu/offset window rebol-menu 0x1 * face/size + face/offset - 1x0]
btn "Cool" [show-menu/offset window cool-menu 0x1 * face/size + face/offset - 1x0]
btn "Wierd" [show-menu/offset window wierd-menu 0x1 * face/size + face/offset - 1x0]
btn "Slideshow" [show-menu/offset window slider-menu 0x1 * face/size + face/offset - 1x0] pad -8
box 22x22 effect [arrow red rotate 270] pad -14
text 200x22 "This one is fun!" left middle effect [gradient 1x0 255.0.0 255.255.255] pad -120x2
btn 100x18 "See the code ..." [view/new/title center-face layout [style text text font [name: "Courier New" size: 11] backdrop white text slider-menu-text as-is] "All in all, not too complicated"]
return
text gray {All these menus are created from the same data with different style sheets^/and are bound to the buttons in their action block}
return
pad -18
text "Noticed that you can navigate through the menus using the keyboard, too?" underline return
text as-is gray {Use UP, DOWN, PAGE-UP, PAGE-DOWN, HOME, END an LEFT (ESCAPE, BACKSPACE), RIGHT to navigate, SPACE to toggle checkable or radio items and RETURN or ENTER to select an item.
Hold SHIFT while selecting or toggling to engage multiple items before menu closes.
And since we don't have TMD (rich text support) yet to support selecting items by typing their underlined letter, you instead can select items by typing their first letter. If multiple items start with the same letter, repeatedly entering that jumps between the items.
}
return
pad -18
text "Example of a DROP-MENU VID-style" underline return
text gray 90 "Select file:" drop-file: drop-menu 320 menu dir-data menu-style winxp-style return
pad -18
text "Dynamic modification of menus" underline return
text gray 90 "Item value get:" btn 200 "Query Menu-Bar/About/Wish" [
use [info] [
info: layout/tight/offset compose [
style text text font [name: "Tahoma" size: 11]
backcolor white across space 2x2
image 400x200 ctx-menus/shadow-image effect 'extend
at 0x0 box white 396x196 black white edge [size: 1x1 color: black 178.180.191 effect: none]
origin 20x20 below
text "Querying a menu:" underline
pad 8
text ">> get-menu app-menu 'about/wish 'body/text" gray
text (join "== " mold get-menu app-menu 'about/wish 'body/text) gray
at 340x160 btn "okay" [hide-popup/timeout]
] 200x200
info/color: none
info/effect: [merge alphamul 128]
show-popup/window info window
]
]
text gray {get-menu app-menu 3 'body/text}
return
text gray 90 "Item value set:" btn 200 "Toggle Menu-Bar/File/Recent" [
set-menu app-menu 'file/recent [state: not state]
]
text gray {set-menu app-menu 'file/recent [state: not state]}
return
text gray 90 "Item removal:" hide-remove: at remove-btn: btn 200 "Remove Menu-Bar/About/Author" [
item: remove-menu app-menu 'about/author
bar: remove-menu app-menu 'about/1
show hide-remove hide/show hide-insert show insert-btn
]
at hide-remove hide-remove: box 200x22 white with [show?: no]
text gray as-is {item: remove-menu app-menu 'about/author
bar: remove-menu app-menu 'about/1} return
text gray 90 "Reinserting:" hide-insert: at insert-btn: btn 200 "Insert Menu-Bar/About Author" with [show?: no] [
insert-menu/head app-menu 'about bar
insert-menu/head app-menu 'about item
show hide-insert hide/show hide-remove show remove-btn
]
at hide-insert hide-insert: box 200x22 white
text gray as-is {insert-menu/head app-menu 'about bar
insert-menu/head app-menu 'about item} return
text gray 90 "Fun stuff:" btn 200 "mess up menus" [
win: remove-menu winxp-menu 'about
reb: remove-menu rebol-menu 'about
cool: remove-menu cool-menu 'about
wrd: remove-menu wierd-menu 'about
mac: remove-menu mac-menu 'about
rnd: random reduce [win reb cool wrd mac]
insert-menu winxp-menu none rnd/1
insert-menu rebol-menu none rnd/2
insert-menu cool-menu none rnd/3
insert-menu wierd-menu none rnd/4
insert-menu mac-menu none rnd/5
]
return
text gray 90 "Item creation:" btn 200 "Insert Menu-Bar/About License" [
insert-menu app-menu 'about layout-menu/style [license: item "License" menu [bsd: item "BSD licensed"]] winxp-style
]
text gray {insert-menu app-menu 'about layout-menu/style [license: item "License" menu [bsd: item "BSD licensed"]] winxp-style}
at 770x2 btn "X" red font [color: white style: 'bold] [quit]
at 600x26 text 192 right as-is "close window here " effect [gradient 1x0 255.255.255 128.128.255] black
at 710x500 image che-logo.img
] 800x600
window/edge: make face/edge [size: 1x1 color: black style: none]
view/options window [no-title no-border]
unview/all
halt
Impressive!
ReplyDeleteBut code is little bit complicated :)