ebox-playground/examples/layer-reference.ebox

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;; Layout data only. The matching companion owns state and business actions.
(let ((demo (layer-demo-create)))
`(column
:width (vw 100) :height (vh 100)
:padding ((lh 1) (ch 2))
:background-color "#101117" :color "#DCE0EC"
(flex :flex-wrap wrap :gap ((lh 0) (ch 2)) :padding-bottom (lh 1)
(box :padding-inline (ch 1) :background-color "#D7FA73"
:color "#151A0C" :font-weight bold "ORBIT / CREATIVE OS")
(box :color "#A99BFF" "VOL. 007 / SPATIAL EDITION"))
(box :padding ((lh 1) (ch 2)) :background-color "#1A1D28"
(box :font-weight bold :color "#F7F8FF"
"MAKE ROOM\nFOR THE UNEXPECTED.")
(box :padding-top (lh 1) :color "#AEB6CE"
"A desktop of intersecting ideas.\nPull it apart. Shift the focus. Change the atmosphere."))
(flex :flex-wrap wrap :gap ((lh 1) (ch 1)) :padding-block (lh 1)
:pointer hand :font-weight bold :color "#101117"
:hover-style (:background-color "#FFFFFF")
(box :padding-inline (ch 1) :background-color "#D7FA73"
:help-echo "Separate the three cards, then bring them back into their original stack."
:keymap ,(layer-demo-action demo 'explode) "EXPLODE STACK")
(box :padding-inline (ch 1) :background-color "#A99BFF"
:help-echo "Bring Studio, Next, and Signal to the front in turn."
:keymap ,(layer-demo-action demo 'focus) "CYCLE FOCUS")
(box :padding-inline (ch 1) :background-color "#B9E9F2"
:help-echo "Switch between electric violet / ice / lime and a warmer studio palette."
:keymap ,(layer-demo-action demo 'mood) "SWITCH MOOD"))
;; Each card is a local stacking group. The dark slabs are separate
;; backplates; moving the cards deliberately reveals the composition.
(box :id "orbit-canvas" :height (lh 25) :background-color "#101117"
(box :position absolute :left (ch 1) :top (lh 0)
:width (ch 24) :height (lh 1) :color "#9099B4"
"FIELD / 007 + +")
(box :position absolute :left (% 75) :top (lh 0)
:width (ch 18) :height (lh 1) :color "#D7FA73"
"COMPOSITION / LIVE")
(box :position absolute :left (ch 0) :top (lh 2)
:width (ch 2) :height (lh 21) :color "#4E566E"
"00\n |\n |\n |\n04\n |\n |\n |\n08\n |\n |\n |\n12\n |\n |\n |\n16\n |\n |\n |\n20")
(box :position absolute :left (ch 8) :top (lh 5)
:width (ch 68) :height (lh 16) :background-color "#32354B"
(box :position absolute :left (ch 2) :top (lh 1)
:width (ch 64) :height (lh 14) :background-color "#202333"
(box :position absolute :left (ch 1) :top (lh 12)
:width (ch 32) :height (lh 1) :color "#8B92AE"
"+ LOCAL SPACE / INFINITE IDEAS")))
(box :position absolute :left (ch 6) :top (lh 4)
:width (ch 40) :height (lh 12) :z-index 1
:background-color "#06070B")
(box :position absolute :left (ch 48) :top (lh 3)
:width (ch 28) :height (lh 9) :z-index 1
:background-color "#06070B")
(box :position absolute :left (ch 22) :top (lh 8)
:width (ch 40) :height (lh 13) :z-index 1
:background-color "#06070B")
(box :id "orbit-violet" :position absolute :left (ch 4) :top (lh 3)
:width (ch 40) :height (lh 12) :z-index 2
:padding-inline (ch 2) :background-color "#A99BFF" :color "#201A38"
:help-echo "Studio is a local group: its small lime badge cannot escape above a higher sibling card."
(box :padding-top (lh 1) :font-weight bold "STUDIO / 01")
(box :padding-top (lh 1) "FORM FOLLOWS\nIMAGINATION.")
(box :position absolute :left (ch 2) :top (lh 5)
:width (ch 32) :height (lh 5) :background-color "#30284E"
:color "#D4C9FF"
(box :position absolute :left (ch 2) :top (lh 1)
:width (ch 14) :height (lh 3) :background-color "#645293"
" [ [ + ] ]\n\n SHAPE / PLAY")
(box :position absolute :left (ch 12) :top (lh 0)
:width (ch 12) :height (lh 3) :z-index 1
:background-color "#D7CFFF" :color "#30284E"
" + +\n / /\n + +")
(box :position absolute :left (ch 20) :top (lh 2)
:width (ch 10) :height (lh 2) :z-index 60
:background-color "#D7FA73" :color "#202816"
:text-align center "DEPTH\n03"))
(box :position absolute :left (ch 2) :top (lh 10)
:width (ch 30) :height (lh 1) "OBJECT 01 / EDITION 007"))
(box :id "orbit-lime" :position absolute :left (ch 46) :top (lh 2)
:width (ch 28) :height (lh 9) :z-index 3
:padding-inline (ch 2) :background-color "#D7FA73" :color "#202816"
:help-echo "Next is a separate sibling card. Cycle Focus to move its whole local composition forward."
(box :padding-top (lh 1) :font-weight bold "NEXT / 02")
(box :padding-top (lh 1) "LESS NOISE.\nMORE POSSIBILITY.")
(box :position absolute :left (ch 15) :top (lh 5)
:width (ch 9) :height (lh 3) :background-color "#24301A"
:color "#D7FA73" :text-align center " /\n /___\n / ")
(box :position absolute :left (ch 2) :top (lh 6)
:width (ch 12) :height (lh 2) "OPEN SPACE\n24 / 7"))
(box :id "orbit-signal" :position absolute :left (ch 20) :top (lh 7)
:width (ch 40) :height (lh 13) :z-index 4
:padding-inline (ch 2) :background-color "#B9E9F2" :color "#173139"
:help-echo "Signal starts in front. Its bars, labels, and floating badge move together as one local stack."
(box :padding-top (lh 1) :font-weight bold "SIGNAL / NOW PLAYING")
(box :padding-top (lh 1) "AFTER HOURS\nA soundtrack for what comes next.")
(box :position absolute :left (ch 2) :top (lh 5)
:width (ch 32) :height (lh 5) :background-color "#173139"
:color "#B9E9F2"
(box :position absolute :left (ch 2) :top (lh 3)
:width (ch 3) :height (lh 1) :background-color "#B9E9F2")
(box :position absolute :left (ch 6) :top (lh 2)
:width (ch 3) :height (lh 2) :background-color "#A99BFF")
(box :position absolute :left (ch 10) :top (lh 1)
:width (ch 3) :height (lh 3) :background-color "#D7FA73")
(box :position absolute :left (ch 14) :top (lh 0)
:width (ch 3) :height (lh 4) :background-color "#B9E9F2")
(box :position absolute :left (ch 18) :top (lh 2)
:width (ch 3) :height (lh 2) :background-color "#A99BFF")
(box :position absolute :left (ch 22) :top (lh 1)
:width (ch 3) :height (lh 3) :background-color "#D7FA73")
(box :position absolute :left (ch 26) :top (lh 3)
:width (ch 3) :height (lh 1) :background-color "#B9E9F2")
(box :position absolute :left (ch 20) :top (lh 0)
:width (ch 10) :height (lh 1) :z-index 8
:background-color "#F9FCF3" :color "#173139"
:text-align center "ON AIR +"))
(box :position absolute :left (ch 2) :top (lh 11)
:width (ch 32) :height (lh 1) "03:42 ========---- 05:18"))
(box :position absolute :left (ch 61) :top (lh 15)
:width (ch 15) :height (lh 3) :z-index 5
:padding-inline (ch 1) :background-color "#F6F5EF" :color "#282B35"
"+ IN SYNC\n3 OPEN IDEAS\nSHARED SPACE")
(box :position absolute :left (ch 3) :top (lh 22)
:width (ch 72) :height (lh 1) :color "#A99BFF"
"+ . + . + . + . + . + . + . + . + . + . + .")
(box :position absolute :left (ch 3) :top (lh 24)
:width (ch 70) :height (lh 1) :color "#9099B4"
"ORBIT / 007 COMPOSE IN LAYERS. THINK IN POSSIBILITIES."))
(box :id "orbit-state" :padding-inline (ch 1)
:background-color "#222637" :color "#D7FA73"
,(layer-demo-orbit-status demo))
(box :padding-top (lh 2) :font-weight bold :color "#F7F8FF"
"EBOX / LAYER LAB")
(box :color "#AEB6CE" "Retained content, opaque overlap, native interaction.")
(box :padding-block (lh 1)
"Click a control, or move point into it and press RET / SPC.\n"
"All text shares one font size. Scroll with the wheel or C-v when needed.")
(box "01 / LAYERED DESK absolute position + local stacking")
(flex :flex-wrap wrap :gap ((lh 1) (ch 1)) :padding-block (lh 1)
:pointer hand :hover-style (:background-color "#505B7A")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Hide or show Panel A. Revealing a lower layer shows its latest content."
:keymap ,(layer-demo-action demo 'toggle) "TOGGLE PANEL A")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Move Panel A between left 4ch / top 2lh and left 10ch / top 0lh."
:keymap ,(layer-demo-action demo 'move) "MOVE PANEL A")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Switch Panel A between z=2 and z=4; Panel B stays at z=3."
:keymap ,(layer-demo-action demo 'raise) "RAISE / LOWER A")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Update the lower note even when every part of it is covered."
:keymap ,(layer-demo-action demo 'update-lower) "UPDATE COVERED NOTE"))
(box :id "layer-desk" :height (lh 10) :background-color "#222637"
(box :height (lh 10)
"DESK / ordinary content stays in its flow slot\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"........................................................................\n"
"DESK END / panels do not add flow rows")
(box :id "lower-note" :position absolute :left (ch 4) :top (lh 2)
:width (ch 38) :height (lh 5) :z-index 0 :padding-inline (ch 1)
:background-color "#C9DED0" :color "#244F36" :pointer hand
:hover-style (:background-color "#ADCAB7")
:help-echo ,(ebox-help-create
(apply-partially #'layer-demo-help demo 'lower))
:keymap ,(layer-demo-action demo 'lower)
,(layer-demo-lower-content demo))
(box :id "panel-a" :position absolute :left (ch 4) :top (lh 2)
:width (ch 38) :height (lh 5) :z-index 2 :padding-inline (ch 1)
:background-color "#3A687E" :color "#FFFFFF"
:help-echo "Panel A is opaque, including its blank padding. Use the toolbar to move or raise it."
"PANEL A / blue\nMove and raise from the toolbar.\nA survives under the amber panel.\nOpaque padding covers too.\nThe covered note remains alive.")
(box :id "panel-b" :position absolute :left (ch 22) :top (lh 4)
:width (ch 28) :height (lh 4) :z-index 3 :padding-inline (ch 1)
:background-color "#D7AF6D" :color "#503B21"
:help-echo "Panel B stays at z=3. Raising A changes which panel owns the overlap."
"PANEL B / amber\nFixed at z=3.\nLater layers cover earlier\npaint, not logical data."))
(box :height (lh 1))
(box "02 / RELATIVE POSITION reserve the slot, shift the paint")
(column :height (lh 4) :background-color "#292437"
(box :id "relative-marker" :position relative :left (ch 4) :top (lh 1)
:width (ch 24) :height (lh 1) :z-index 1
:background-color "#765D87" :color "#FFFFFF" "RELATIVE / +4ch, +1lh")
(box "flow row 2: the shifted marker covers part of this row")
(box :id "relative-following" "FLOW ROW 3 / the original slot was kept")
(box "Each parent keeps a local stacking group automatically."))
(box :height (lh 1))
(box "03 / ANCHORED MENU nested owner + root projection")
(box :padding-block (lh 1)
"The owner below clips to one row. Its menu stays a logical child\n"
"but paints in the root layer, outside that local clip.")
(flex :gap ((lh 0) (ch 1)) :padding-bottom (lh 1) :pointer hand
:hover-style (:background-color "#505B7A")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Cycle bottom-start, bottom-end, top-start, and top-end. Open the menu to compare."
:keymap ,(layer-demo-action demo 'placement) "CYCLE PLACEMENT")
(box :padding-inline (ch 1) :background-color "#343B52"
:help-echo "Move the relative trigger from left 4ch to 12ch. The open menu follows its anchor."
:keymap ,(layer-demo-action demo 'anchor) "MOVE ANCHOR"))
(box :height (lh 3) :background-color "#1C2430"
"SPACE ABOVE / top placements can cover this area\n"
"........................................................................\n"
"........................................................................")
(box :id "menu-owner" :height (lh 1) :overflow hidden :background-color "#303D43"
(box :id "menu-trigger" :position relative :left (ch 4) :top (lh 0)
:width (ch 32) :height (lh 1) :padding-inline (ch 1)
:background-color "#286347" :color "#FFFFFF" :pointer hand
:hover-style (:background-color "#407E5C")
:help-echo ,(ebox-help-create
(apply-partially #'layer-demo-help demo 'menu))
:keymap ,(layer-demo-action demo 'menu) "OPEN / CLOSE ROOT MENU")
(box :id "root-menu" :position absolute :layer root :anchor "menu-trigger"
:placement bottom-start :z-index 50 :visibility hidden
:width (ch 26) :height (lh 3) :background-color "#153F4A" :color "#FFFFFF"
(box :padding-inline (ch 1) "ROOT MENU / choose")
(box :id "menu-sage" :padding-inline (ch 1) :pointer hand
:hover-style (:background-color "#407E5C")
:help-echo "Choose sage, update the result, and close the menu."
:keymap ,(layer-demo-action demo 'sage) "CHOOSE SAGE")
(box :id "menu-amber" :padding-inline (ch 1) :pointer hand
:hover-style (:background-color "#895314")
:help-echo "Choose amber, update the result, and close the menu."
:keymap ,(layer-demo-action demo 'amber) "CHOOSE AMBER")))
(box :height (lh 3) :background-color "#1C2430"
"SPACE BELOW / bottom placements can cover this area\n"
"........................................................................\n"
"........................................................................")
(box :id "menu-result" :padding-block (lh 1) "No menu selection yet.")
(box :id "layer-status" :background-color "#153F4A" :color "#FFFFFF"
:padding-inline (ch 1) ,(layer-demo-status demo))
(box :padding-top (lh 1)
"Try: update the covered note twice, hide A, then activate the revealed note.\n"
"Open the menu, cycle all four placements, move its anchor, and select a color.\n"
"Commands publish named-region updates. Layers do not create a focus system.")))