feat: Keyboard shortcut reference inside editor

app/components/Layout.js

@@ -21,6 +21,8 @@ import Sidebar from 'components/Sidebar';
 import SettingsSidebar from 'components/Sidebar/Settings';
 import Modals from 'components/Modals';
 import DocumentHistory from 'components/DocumentHistory';
+import Modal from 'components/Modal';
+import KeyboardShortcuts from 'scenes/KeyboardShortcuts';
 import ErrorSuspended from 'scenes/ErrorSuspended';
 import AuthStore from 'stores/AuthStore';
 import UiStore from 'stores/UiStore';
@@ -41,6 +43,7 @@ type Props = {
 class Layout extends React.Component<Props> {
   scrollable: ?HTMLDivElement;
   @observable redirectTo: ?string;
+  @observable keyboardShortcutsOpen: boolean = false;
 
   componentWillMount() {
     this.updateBackground();
@@ -54,6 +57,15 @@ class Layout extends React.Component<Props> {
     }
   }
 
+  @keydown('shift+/')
+  handleOpenKeyboardShortcuts() {
+    this.keyboardShortcutsOpen = true;
+  }
+
+  handleCloseKeyboardShortcuts = () => {
+    this.keyboardShortcutsOpen = false;
+  };
+
   updateBackground() {
     // ensure the wider page color always matches the theme
     window.document.body.style.background = this.props.theme.background;
@@ -71,11 +83,6 @@ class Layout extends React.Component<Props> {
     this.redirectTo = homeUrl();
   }
 
-  @keydown('shift+/')
-  openKeyboardShortcuts() {
-    this.props.ui.setActiveModal('keyboard-shortcuts');
-  }
-
   render() {
     const { auth, ui } = this.props;
     const { user, team } = auth;
@@ -118,6 +125,13 @@ class Layout extends React.Component<Props> {
           </Switch>
         </Container>
         <Modals ui={ui} />
+        <Modal
+          isOpen={this.keyboardShortcutsOpen}
+          onRequestClose={this.handleCloseKeyboardShortcuts}
+          title="Keyboard shortcuts"
+        >
+          <KeyboardShortcuts />
+        </Modal>
         <GlobalStyles />
       </Container>
     );

app/components/Modals.js

@@ -9,7 +9,6 @@ import CollectionDelete from 'scenes/CollectionDelete';
 import CollectionExport from 'scenes/CollectionExport';
 import DocumentDelete from 'scenes/DocumentDelete';
 import DocumentShare from 'scenes/DocumentShare';
-import KeyboardShortcuts from 'scenes/KeyboardShortcuts';
 
 type Props = {
   ui: UiStore,
@@ -55,9 +54,6 @@ class Modals extends React.Component<Props> {
         <Modal name="document-delete" title="Delete document">
           <DocumentDelete onSubmit={this.handleClose} />
         </Modal>
-        <Modal name="keyboard-shortcuts" title="Keyboard shortcuts">
-          <KeyboardShortcuts />
-        </Modal>
       </span>
     );
   }

app/components/Tooltip.js

@@ -9,6 +9,7 @@ type Props = {
   children: React.Node,
   delay?: number,
   className?: string,
+  block?: boolean,
 };
 
 class Tooltip extends React.Component<Props> {
@@ -17,7 +18,15 @@ class Tooltip extends React.Component<Props> {
   }
 
   render() {
-    const { tooltip, delay = 50, children, className, ...rest } = this.props;
+    const {
+      tooltip,
+      delay = 50,
+      children,
+      block,
+      className,
+      ...rest
+    } = this.props;
+    const Component = block ? 'div' : 'span';
 
     return (
       <StyledTippy
@@ -30,7 +39,7 @@ class Tooltip extends React.Component<Props> {
         inertia
         {...rest}
       >
-        <span className={className}>{children}</span>
+        <Component className={className}>{children}</Component>
       </StyledTippy>
     );
   }

app/menus/AccountMenu.js

@@ -1,6 +1,7 @@
 // @flow
 import * as React from 'react';
 import { Link } from 'react-router-dom';
+import { observable } from 'mobx';
 import { inject, observer } from 'mobx-react';
 import { MoonIcon } from 'outline-icons';
 import styled, { withTheme } from 'styled-components';
@@ -8,6 +9,8 @@ import UiStore from 'stores/UiStore';
 import AuthStore from 'stores/AuthStore';
 import Flex from 'shared/components/Flex';
 import { DropdownMenu, DropdownMenuItem } from 'components/DropdownMenu';
+import Modal from 'components/Modal';
+import KeyboardShortcuts from 'scenes/KeyboardShortcuts';
 import {
   developers,
   changelog,
@@ -26,19 +29,33 @@ type Props = {
 
 @observer
 class AccountMenu extends React.Component<Props> {
-  handleOpenKeyboardShortcuts = () => {
-    this.props.ui.setActiveModal('keyboard-shortcuts');
-  };
+  @observable keyboardShortcutsOpen: boolean = false;
 
   handleLogout = () => {
     this.props.auth.logout();
   };
 
+  handleOpenKeyboardShortcuts = () => {
+    this.keyboardShortcutsOpen = true;
+  };
+
+  handleCloseKeyboardShortcuts = () => {
+    this.keyboardShortcutsOpen = false;
+  };
+
   render() {
     const { ui, theme } = this.props;
     const isLightTheme = ui.theme === 'light';
 
     return (
+      <React.Fragment>
+        <Modal
+          isOpen={this.keyboardShortcutsOpen}
+          onRequestClose={this.handleCloseKeyboardShortcuts}
+          title="Keyboard shortcuts"
+        >
+          <KeyboardShortcuts />
+        </Modal>
         <DropdownMenu
           style={{ marginRight: 10, marginTop: -10 }}
           label={this.props.label}
@@ -75,8 +92,11 @@ class AccountMenu extends React.Component<Props> {
             </NightMode>
           </DropdownMenuItem>
           <hr />
-        <DropdownMenuItem onClick={this.handleLogout}>Log out</DropdownMenuItem>
+          <DropdownMenuItem onClick={this.handleLogout}>
+            Log out
+          </DropdownMenuItem>
         </DropdownMenu>
+      </React.Fragment>
     );
   }
 }

app/scenes/Document/Document.js

@@ -22,6 +22,7 @@ import { emojiToUrl } from 'utils/emoji';
 import Header from './components/Header';
 import DocumentMove from './components/DocumentMove';
 import Branding from './components/Branding';
+import KeyboardShortcuts from './components/KeyboardShortcuts';
 import Backlinks from './components/Backlinks';
 import ErrorBoundary from 'components/ErrorBoundary';
 import LoadingPlaceholder from 'components/LoadingPlaceholder';
@@ -426,7 +427,7 @@ class DocumentScene extends React.Component<Props> {
             </MaxWidth>
           </Container>
         </Container>
-        {isShare && <Branding />}
+        {isShare ? <Branding /> : <KeyboardShortcuts />}
       </ErrorBoundary>
     );
   }

app/scenes/Document/components/KeyboardShortcuts.js

@@ -0,0 +1,72 @@
+// @flow
+import * as React from 'react';
+import styled from 'styled-components';
+import breakpoint from 'styled-components-breakpoint';
+import { observable } from 'mobx';
+import { observer } from 'mobx-react';
+import { KeyboardIcon } from 'outline-icons';
+import Modal from 'components/Modal';
+import Tooltip from 'components/Tooltip';
+import KeyboardShortcuts from 'scenes/KeyboardShortcuts';
+
+type Props = {};
+
+@observer
+class KeyboardShortcutsButton extends React.Component<Props> {
+  @observable keyboardShortcutsOpen: boolean = false;
+
+  handleOpenKeyboardShortcuts = () => {
+    this.keyboardShortcutsOpen = true;
+  };
+
+  handleCloseKeyboardShortcuts = () => {
+    this.keyboardShortcutsOpen = false;
+  };
+
+  render() {
+    return (
+      <React.Fragment>
+        <Modal
+          isOpen={this.keyboardShortcutsOpen}
+          onRequestClose={this.handleCloseKeyboardShortcuts}
+          title="Keyboard shortcuts"
+        >
+          <KeyboardShortcuts />
+        </Modal>
+        <Button onClick={this.handleOpenKeyboardShortcuts}>
+          <Tooltip tooltip="Keyboard shortcuts" placement="left" block>
+            <KeyboardIcon />
+          </Tooltip>
+        </Button>
+      </React.Fragment>
+    );
+  }
+}
+
+const Button = styled.button`
+  display: none;
+  position: fixed;
+  bottom: 0;
+  right: 0;
+  margin: 24px;
+  width: 24px;
+  height: 24px;
+  opacity: 0.8;
+  background: none;
+  line-height: 0;
+  border: 0;
+
+  &:hover {
+    opacity: 1;
+  }
+
+  ${breakpoint('tablet')`
+    display: block;
+  `};
+
+  @media print {
+    display: none;
+  }
+`;
+
+export default KeyboardShortcutsButton;

app/scenes/KeyboardShortcuts.js

@@ -10,10 +10,8 @@ function KeyboardShortcuts() {
   return (
     <Flex column>
       <HelpText>
-        Outline is designed to be super fast and easy to use. All of your usual
-        keyboard shortcuts work here, and there
-        {"'"}
-        s Markdown too.
+        Outline is designed to be fast and easy to use. All of your usual
+        keyboard shortcuts work here, and there’s Markdown too.
       </HelpText>
 
       <h2>Navigation</h2>