2024-01-19 09:53:07 +01:00

312 lines
13 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC
(ns app.main.ui.flex-controls.gap
(:require
[app.common.data :as d]
[app.common.files.helpers :as cfh]
[app.common.geom.point :as gpt]
[app.common.geom.shapes :as gsh]
[app.common.geom.shapes.flex-layout :as gsl]
[app.common.geom.shapes.points :as gpo]
[app.common.types.modifiers :as ctm]
[app.common.types.shape.layout :as ctl]
[app.main.data.workspace.modifiers :as dwm]
[app.main.data.workspace.state-helpers :as wsh]
[app.main.refs :as refs]
[app.main.store :as st]
[app.main.ui.css-cursors :as cur]
[app.main.ui.flex-controls.common :as fcc]
[app.main.ui.workspace.viewport.viewport-ref :refer [point->viewport]]
[app.util.dom :as dom]
[rumext.v2 :as mf]))
(mf/defc gap-display
[{:keys [frame-id zoom gap-type gap on-pointer-enter on-pointer-leave
rect-data hover? selected? mouse-pos hover-value
on-move-selected on-context-menu]}]
(let [resizing (mf/use-var nil)
start (mf/use-var nil)
original-value (mf/use-var 0)
negate? (:resize-negate? rect-data)
axis (:resize-axis rect-data)
on-pointer-down
(mf/use-fn
(mf/deps frame-id gap-type gap)
(fn [event]
(dom/capture-pointer event)
(reset! resizing gap-type)
(reset! start (dom/get-client-position event))
(reset! original-value (:initial-value rect-data))))
on-lost-pointer-capture
(mf/use-fn
(mf/deps frame-id gap-type gap)
(fn [event]
(dom/release-pointer event)
(reset! resizing nil)
(reset! start nil)
(reset! original-value 0)
(st/emit! (dwm/apply-modifiers))))
on-pointer-move
(mf/use-fn
(mf/deps frame-id gap-type gap)
(fn [event]
(let [pos (dom/get-client-position event)]
(reset! mouse-pos (point->viewport pos))
(when (= @resizing gap-type)
(let [delta (-> (gpt/to-vec @start pos)
(cond-> negate? gpt/negate)
(get axis))
val (int (max (+ @original-value (/ delta zoom)) 0))
layout-gap (assoc gap gap-type val)
modifiers (dwm/create-modif-tree [frame-id] (ctm/change-property (ctm/empty) :layout-gap layout-gap))]
(reset! hover-value val)
(st/emit! (dwm/set-modifiers modifiers)))))))]
[:g.gap-rect
[:rect.info-area
{:x (:x rect-data)
:y (:y rect-data)
:width (:width rect-data)
:height (:height rect-data)
:on-pointer-enter on-pointer-enter
:on-pointer-leave on-pointer-leave
:on-pointer-move on-pointer-move
:on-pointer-down on-move-selected
:on-context-menu on-context-menu
:style {:fill (if (or hover? selected?) fcc/distance-color "none")
:opacity (if selected? 0.5 0.25)}}]
(let [handle-width
(if (= axis :x)
(/ 2 zoom)
(min (* (:width rect-data) 0.5) (/ 20 zoom)))
handle-height
(if (= axis :y)
(/ 2 zoom)
(min (* (:height rect-data) 0.5) (/ 30 zoom)))]
[:rect.handle
{:x (+ (:x rect-data) (/ (- (:width rect-data) handle-width) 2))
:y (+ (:y rect-data) (/ (- (:height rect-data) handle-height) 2))
:width handle-width
:height handle-height
:on-pointer-enter on-pointer-enter
:on-pointer-leave on-pointer-leave
:on-pointer-down on-pointer-down
:on-lost-pointer-capture on-lost-pointer-capture
:on-pointer-move on-pointer-move
:on-context-menu on-context-menu
:class (when (or hover? selected?)
(if (= (:resize-axis rect-data) :x) (cur/get-dynamic "resize-ew" 0) (cur/get-dynamic "resize-ew" 90)))
:style {:fill (if (or hover? selected?) fcc/distance-color "none")
:opacity (if selected? 0 1)}}])]))
(mf/defc gap-rects
[{:keys [frame zoom on-move-selected on-context-menu]}]
(let [frame-id (:id frame)
saved-dir (:layout-flex-dir frame)
is-col? (or (= :column saved-dir) (= :column-reverse saved-dir))
flip-x (:flip-x frame)
flip-y (:flip-y frame)
pill-width (/ fcc/flex-display-pill-width zoom)
pill-height (/ fcc/flex-display-pill-height zoom)
workspace-modifiers (mf/deref refs/workspace-modifiers)
gap-selected (mf/deref refs/workspace-gap-selected)
hover (mf/use-var nil)
hover-value (mf/use-var 0)
mouse-pos (mf/use-var nil)
padding (:layout-padding frame)
gap (:layout-gap frame)
{:keys [width height x1 y1]} (:selrect frame)
on-pointer-enter (fn [hover-type val]
(reset! hover hover-type)
(reset! hover-value val))
on-pointer-leave #(reset! hover nil)
negate {:column-gap (if flip-x true false)
:row-gap (if flip-y true false)}
objects (wsh/lookup-page-objects @st/state)
children (->> (cfh/get-immediate-children objects frame-id)
(remove ctl/position-absolute?))
children-to-display (if (or (= :row-reverse saved-dir)
(= :column-reverse saved-dir))
(drop-last children)
(rest children))
children-to-display (->> children-to-display
(map #(gsh/transform-shape % (get-in workspace-modifiers [(:id %) :modifiers]))))
wrap-blocks
(let [block-children (->> children
(map #(vector (gpo/parent-coords-bounds (:points %) (:points frame)) %)))
bounds (d/lazy-map (keys objects) #(gsh/shape->points (get objects %)))
layout-data (gsl/calc-layout-data frame (:points frame) block-children bounds objects)
layout-bounds (:layout-bounds layout-data)
xv #(gpo/start-hv layout-bounds %)
yv #(gpo/start-vv layout-bounds %)]
(for [{:keys [start-p line-width line-height layout-gap-row layout-gap-col num-children]} (:layout-lines layout-data)]
(let [line-width (if is-col? line-width (+ line-width (* (dec num-children) layout-gap-row)))
line-height (if is-col? (+ line-height (* (dec num-children) layout-gap-col)) line-height)
end-p (-> start-p (gpt/add (xv line-width)) (gpt/add (yv line-height)))]
{:x1 (min (:x start-p) (:x end-p))
:y1 (min (:y start-p) (:y end-p))
:x2 (max (:x start-p) (:x end-p))
:y2 (max (:y start-p) (:y end-p))})))
block-contains
(fn [x y block]
(if is-col?
(<= (:x1 block) x (:x2 block))
(<= (:y1 block) y (:y2 block))))
get-container-block
(fn [shape]
(let [selrect (:selrect shape)
x (/ (+ (:x1 selrect) (:x2 selrect)) 2)
y (/ (+ (:y1 selrect) (:y2 selrect)) 2)]
(->> wrap-blocks
(filter #(block-contains x y %))
first)))
create-cgdd
(fn [shape]
(let [block (get-container-block shape)
x (if flip-x
(- (:x1 (:selrect shape))
(get-in shape [:layout-item-margin :m2])
(:column-gap gap))
(+ (:x2 (:selrect shape)) (get-in shape [:layout-item-margin :m2])))
y (:y1 block)
h (- (:y2 block) (:y1 block))]
{:x x
:y y
:height h
:width (:column-gap gap)
:initial-value (:column-gap gap)
:resize-type :left
:resize-axis :x
:resize-negate? (:column-gap negate)
:gap-type (if is-col? :row-gap :column-gap)}))
create-cgdd-block
(fn [block]
(let [x (if flip-x
(- (:x1 block) (:column-gap gap))
(:x2 block))
y (if flip-y
(+ y1 (:p3 padding))
(+ y1 (:p1 padding)))
h (- height (+ (:p1 padding) (:p3 padding)))]
{:x x
:y y
:width (:column-gap gap)
:height h
:initial-value (:column-gap gap)
:resize-type :left
:resize-axis :x
:resize-negate? (:column-gap negate)
:gap-type (if is-col? :column-gap :row-gap)}))
create-rgdd
(fn [shape]
(let [block (get-container-block shape)
x (:x1 block)
y (if flip-y
(- (:y1 (:selrect shape))
(get-in shape [:layout-item-margin :m3])
(:row-gap gap))
(+ (:y2 (:selrect shape)) (get-in shape [:layout-item-margin :m3])))
w (- (:x2 block) (:x1 block))]
{:x x
:y y
:width w
:height (:row-gap gap)
:initial-value (:row-gap gap)
:resize-type :bottom
:resize-axis :y
:resize-negate? (:row-gap negate)
:gap-type (if is-col? :row-gap :column-gap)}))
create-rgdd-block
(fn [block]
(let [x (if flip-x
(+ x1 (:p2 padding))
(+ x1 (:p4 padding)))
y (if flip-y
(- (:y1 block) (:row-gap gap))
(:y2 block))
w (- width (+ (:p2 padding) (:p4 padding)))]
{:x x
:y y
:width w
:height (:row-gap gap)
:initial-value (:row-gap gap)
:resize-type :bottom
:resize-axis :y
:resize-negate? (:row-gap negate)
:gap-type (if is-col? :column-gap :row-gap)}))
display-blocks (if is-col?
(->> (drop-last wrap-blocks)
(map create-cgdd-block))
(->> (drop-last wrap-blocks)
(map create-rgdd-block)))
display-children (if is-col?
(->> children-to-display
(map create-rgdd))
(->> children-to-display
(map create-cgdd)))]
[:g.gaps {:pointer-events "visible"}
(for [[index display-item] (d/enumerate (concat display-blocks display-children))]
(let [gap-type (:gap-type display-item)]
[:& gap-display {:key (str frame-id index)
:frame-id frame-id
:zoom zoom
:gap-type gap-type
:gap gap
:on-pointer-enter (partial on-pointer-enter gap-type (get gap gap-type))
:on-pointer-leave on-pointer-leave
:on-move-selected on-move-selected
:on-context-menu on-context-menu
:rect-data display-item
:hover? (= @hover gap-type)
:selected? (= gap-selected gap-type)
:mouse-pos mouse-pos
:hover-value hover-value}]))
(when @hover
[:& fcc/flex-display-pill
{:height pill-height
:width pill-width
:font-size (/ fcc/font-size zoom)
:border-radius (/ fcc/flex-display-pill-border-radius zoom)
:color fcc/distance-color
:x (:x @mouse-pos)
:y (- (:y @mouse-pos) pill-width)
:value @hover-value}])]))
(mf/defc gap-control
[{:keys [frame zoom on-move-selected on-context-menu]}]
(when frame
[:g.measurement-gaps {:pointer-events "none"}
[:g.hover-shapes
[:& gap-rects
{:frame frame
:zoom zoom
:on-move-selected on-move-selected
:on-context-menu on-context-menu}]]]))