Copy to side ui (#229)

* Copy settings to other side button

* Download button on the outside.

* Whoops

src/components/results/index.tsx

@@ -2,10 +2,10 @@ import { h, Component, ComponentChildren, ComponentChild } from 'preact';
 
 import * as style from './style.scss';
 import FileSize from './FileSize';
-import { DownloadIcon } from '../../lib/icons';
+import { DownloadIcon, CopyAcrossIcon, CopyAcrossIconProps } from '../../lib/icons';
 import '../custom-els/LoadingSpinner';
 import { SourceImage } from '../compress';
-import { Fileish } from '../../lib/initial-util';
+import { Fileish, bind } from '../../lib/initial-util';
 
 interface Props {
   loading: boolean;
@@ -13,12 +13,21 @@ interface Props {
   imageFile?: Fileish;
   downloadUrl?: string;
   children: ComponentChildren;
+  copyDirection: CopyAcrossIconProps['copyDirection'];
+  buttonPosition: keyof typeof buttonPositionClass;
+  onCopyToOtherClick(): void;
 }
 
 interface State {
   showLoadingState: boolean;
 }
 
+const buttonPositionClass = {
+  'stack-right': style.stackRight,
+  'download-right': style.downloadRight,
+  'download-left': style.downloadLeft,
+};
+
 const loadingReactionDelay = 500;
 
 export default class Results extends Component<Props, State> {
@@ -43,9 +52,19 @@ export default class Results extends Component<Props, State> {
     }
   }
 
-  render({ source, imageFile, downloadUrl, children }: Props, { showLoadingState }: State) {
+  @bind
+  private onCopyToOtherClick(event: Event) {
+    event.preventDefault();
+    this.props.onCopyToOtherClick();
+  }
+
+  render(
+    { source, imageFile, downloadUrl, children, copyDirection, buttonPosition }: Props,
+    { showLoadingState }: State,
+  ) {
+
     return (
-      <div class={style.results}>
+      <div class={`${style.results} ${buttonPositionClass[buttonPosition]}`}>
         <div class={style.resultData}>
           {(children as ComponentChild[])[0]
             ? <div class={style.resultTitle}>{children}</div>
@@ -59,6 +78,14 @@ export default class Results extends Component<Props, State> {
           }
         </div>
 
+        <button
+          class={style.copyToOther}
+          title="Copy settings to other side"
+          onClick={this.onCopyToOtherClick}
+        >
+          <CopyAcrossIcon class={style.copyIcon} copyDirection={copyDirection} />
+        </button>
+
         <div class={style.download}>
           {(downloadUrl && imageFile) && (
             <a