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success/dev-docs/docs/@excalidraw/excalidraw/api/children-components/welcome-screen.mdx

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docs: migrating dev docs to docusaurus :) (#6073) * docs: migrating existing docs to docosaraus :) * log broken links * lint :p * fix * divide the doc into diff categories * fix * order sidebars and more * fix lint * point to installation * making docs better :) * fix * renaming git * renaming git * fix links * fix * update readme * fix * resolve duplicate url and make /docs as base url * fix * move main docs as well * making docs better * support mdx * update og * fix title * upgrade docusarus to stable version * use draculla theme * fix * make entire sidebar collapsable * live editor for footer wohoo * render excalidraw only on client to fix the prod build * migrate MainMenu to live editor too :) * lint :p * cleanup integration and use live editor and tabs * fix * Add welcome screen doc * Live Collaboration comp docs * Add collaborator example * Add example * add more * remove isCollaborating * Rewrite ref and move to sidebar * change color of links inside pre * add initial data * fix lint * Add styling * fix lint * Add example for customizing styles * fix lint * fix * fix lint * Add link to livecollabtrigger * fix * rewrite UIOptions to sidebar * move initialdata to sidebar * move render props to sidebar and rewrite renderTopRightUI and renderCustomStats * rewrite renderSidebar * update og * update url for testing * fix url * update readme * fix style * tweaks * Add highlight comp to highlight text * Add bash syntax highlight * fix * tweaks * fix * rewrite export utilities * fix restore * rewrite utils * move constants to sidebar * update readme * add copyright * fix links style * Add linkedin * tweaks * rename package to @excalidraw/excalidraw * enable algolia with dummy creds * tweaks to integration doc * tweak WelcomeScreen docs to reflect upcoming API changes * tweak components intro * tweak nomenclature * fix admonition * rename `components` sidebar item and change order of components list * uncollapse package section in sidebar * show level 4 haeadings in TOC * remove algolia * remove unused assets * capitalize C * tweak * rename components to App * rename components -> children-components in the routes * move notable used tools to intro * update MainMenu docs with `onSelect` preventDefault behavior * change sidebar label for children components * use code * tweak README & docs intro * tweak package development doc * make scrollbar gutter stable * tweak api intro * add admonition for export utils * use next * wip * wip * make excalidraw examples use current color theme & prefer system * fix welcomescreen docs * use latest temp release * fix component order * revert wip changes * use next * tweak * increase height to fix welcome screen hint * tweak editor height * update excal version * wrap Excal with forwardRef to fix refs * migrate contributing.md * fix broken links --------- Co-authored-by: dwelle <luzar.david@gmail.com>
2 years ago
# WelcomeScreen
When the canvas is empty, Excalidraw can show a welcome _splash_ screen with a logo, a few quick action items, and hints explaining what some of the UI buttons do. Once the user picks a tool, or has created an element on the canvas, the welcome screen will disappear.
You can enable this behavior by rendering a `WelcomeScreen` component like this:
```jsx live
function App() {
return (
<div style={{ height: "46rem" }}>
<Excalidraw>
<WelcomeScreen />
</Excalidraw>
</div>
);
}
```
You can also customize the welcome screen by passing children to the `WelcomeScreen` component. See below.
## <WelcomeScreen/>
This is the main component. If you render it without any children, we will render the default welcome screen.
You can customize which welcome screen subcomponents are rendered by passing them as children.
The welcome screen consists of two main groups of subcomponents:
1. [WelcomeScreen.Center](#welcomescreencenterlogo).
2. [WeelcomeScreen.Hints](#welcomescreenhints).
<img
src={require("@site/static/img/welcome-screen-overview.png").default}
alt="Excalidraw logo: Sketch handrawn like diagrams."
/>
### Center
`<WelcomeScreen.Center/>` subcomponent is the center piece of the welcome screen, containing the `logo`, `heading`, and `menu`. All three subcomponents are optional, and you can render whatever you wish into the center component.
```jsx live
function App() {
return (
<div style={{ height: "500px" }}>
<Excalidraw>
<WelcomeScreen>
<WelcomeScreen.Center>
<WelcomeScreen.Center.Logo />
<WelcomeScreen.Center.Heading>
Welcome Screen Heading!
</WelcomeScreen.Center.Heading>
<WelcomeScreen.Center.Menu>
<WelcomeScreen.Center.MenuItemLink href="https://github.com/excalidraw/excalidraw">
Excalidraw GitHub
</WelcomeScreen.Center.MenuItemLink>
<WelcomeScreen.Center.MenuItemHelp />
</WelcomeScreen.Center.Menu>
</WelcomeScreen.Center>
</WelcomeScreen>
</Excalidraw>
</div>
);
}
```
#### Logo
Use the `<WelcomeScreen.Center.Logo/>` to render a logo. By default it renders the Excalidraw logo and name. Supply `children` to customize.
#### Heading
Use the `<WelcomeScreen.Center.Heading/>` to render a heading below the logo. Supply `children` to change the default message.
#### Menu
`<WelcomeScreen.Center.Menu/>` is a wrapper component for the menu items. You can build your menu using the `<WelcomeScreen.Center.MenuItem>` and `<WelcomeScreen.Center.MenuItemLink>` components, render your own, or render one of the default menu items.
The default menu items are:
- `<WelcomeScreen.Center.MenuItemHelp/>` - opens the help dialog.
- `<WelcomeScreen.Center.MenuItemLoadScene/>` - open the load file dialog.
- `<WelcomeScreen.Center.MenuItemLiveCollaborationTrigger/>` - intended to open the live collaboration dialog. Works similarly to [`<LiveCollaborationTrigger>`](/docs/@excalidraw/excalidraw/api/children-components/live-collaboration-trigger) and you must supply `onSelect()` handler to integrate with your collaboration implementation.
#### MenuItem
The `<WelcomeScreen.Center.MenuItem/>` component can be used to render a menu item.
| Prop | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| `onSelect` | `function` | Yes | | The handler is triggered when the item is selected. |
| `children` | `React.ReactNode` | Yes | | The content of the menu item |
| `icon` | `JSX.Element` | No | | The icon used in the menu item |
| `shortcut` | `string` | No | | The keyboard shortcut (label-only, does not affect behavior) |
**WelcomeScreen.Center.MenuItemLink**
To render an external link in a menu item, you can use this component.
| Prop | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| `href` | `string` | Yes | | The `href` attribute to be added to the `anchor` element. |
| `children` | `React.ReactNode` | Yes | | The content of the menu item |
| `icon` | `JSX.Element` | No | | The icon used in the menu item |
| `shortcut` | `string` | No | | The keyboard shortcut (label-only, does not affect behavior) |
### Hints
These `<WelcomeScreen.Hints.*>` subcomponents render the UI hints. Text of each hint can be customized by supplying `children`.
```jsx live
function App() {
return (
<div style={{ height: "500px" }}>
<Excalidraw>
<WelcomeScreen>
<WelcomeScreen.Hints.ToolbarHint>
<p> ToolBar Hints </p>
</WelcomeScreen.Hints.ToolbarHint>
<WelcomeScreen.Hints.MenuHint />
<WelcomeScreen.Hints.HelpHint />
</WelcomeScreen>
</Excalidraw>
</div>
);
}
```
#### MenuHint
`<WelcomeScreen.Hints.MenuHint>` hint subcomponent for the main menu. Supply `children` to customize the hint text.
#### ToolbarHint
`<WelcomeScreen.Hints.ToolbarHint>` hint subcomponent for the toolbar. Supply `children` to customize the hint text.
#### Help
`<WelcomeScreen.Hints.Help>` hint subcomponent for the help dialog. Supply `children` to customize the hint text.