wails/website/i18n/ja/docusaurus-plugin-content-docs/current/reference/runtime/window.mdx

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# Window

These methods give control of the application window.

### WindowSetTitle

Sets the text in the window title bar.

Go: `WindowSetTitle(ctx context.Context, title string)`<br/> JS: `WindowSetTitle(title: string)`

### WindowFullscreen

Makes the window full screen.

Go: `WindowFullscreen(ctx context.Context)`<br/> JS: `WindowFullscreen()`

### WindowUnfullscreen

Restores the previous window dimensions and position prior to full screen.

Go: `WindowUnfullscreen(ctx context.Context)`<br/> JS: `WindowUnfullscreen()`

### WindowCenter

Centers the window on the monitor the window is currently on.

Go: `WindowCenter(ctx context.Context)`<br/> JS: `WindowCenter()`

### WindowReload

Performs a "reload" (Reloads current page).

Go: `WindowReload(ctx context.Context)`<br/> JS: `WindowReload()`

### WindowReloadApp

Reloads the application frontend.

Go: `WindowReloadApp(ctx context.Context)`<br/> JS: `WindowReloadApp()`

### WindowSetSystemDefaultTheme

Windows only.

Go: `WindowSetSystemDefaultTheme(ctx context.Context)`<br/> JS: `WindowSetSystemDefaultTheme()`

Sets window theme to system default (dark/light).

### WindowSetLightTheme

Windows only.

Go: `WindowSetLightTheme(ctx context.Context)`<br/> JS: `WindowSetLightTheme()`

Sets window theme to light.

### WindowSetDarkTheme

Windows only.

Go: `WindowSetDarkTheme(ctx context.Context)`<br/> JS: `WindowSetDarkTheme()`

Sets window theme to dark.

### WindowShow

Shows the window, if it is currently hidden.

Go: `WindowShow(ctx context.Context)`<br/> JS: `WindowShow()`

### WindowHide

Hides the window, if it is currently visible.

Go: `WindowHide(ctx context.Context)`<br/> JS: `WindowHide()`

### WindowSetSize

Sets the width and height of the window.

Go: `WindowSetSize(ctx context.Context, width int, height int)`<br/> JS: `WindowSetSize(size: Size)`

### WindowGetSize

Gets the width and height of the window.

Go: `WindowGetSize(ctx context.Context) (width int, height int)`<br/> JS: `WindowGetSize() : Size`

### WindowSetMinSize

Sets the minimum window size. Will resize the window if the window is currently smaller than the given dimensions.

Setting a size of `0,0` will disable this constraint.

Go: `WindowSetMinSize(ctx context.Context, width int, height int)`<br/> JS: `WindowSetMinSize(size: Size)`

### WindowSetMaxSize

Sets the maximum window size. Will resize the window if the window is currently larger than the given dimensions.

Setting a size of `0,0` will disable this constraint.

Go: `WindowSetMaxSize(ctx context.Context, width int, height int)`<br/> JS: `WindowSetMaxSize(size: Size)`

### WindowSetAlwaysOnTop

Sets the window AlwaysOnTop or not on top.

Go: `WindowSetAlwaysOnTop(ctx context.Context, b bool)`<br/> JS: `WindowSetAlwaysOnTop(b: Boolen)`

### WindowSetPosition

Sets the window position relative to the monitor the window is currently on.

Go: `WindowSetPosition(ctx context.Context, x int, y int)`<br/> JS: `WindowSetPosition(position: Position)`

### WindowGetPosition

Gets the window position relative to the monitor the window is currently on.

Go: `WindowGetPosition(ctx context.Context) (x int, y int)`<br/> JS: `WindowGetPosition() : Position`

### WindowMaximise

Maximises the window to fill the screen.

Go: `WindowMaximise(ctx context.Context)`<br/> JS: `WindowMaximise()`

### WindowUnmaximise

Restores the window to the dimensions and position prior to maximising.

Go: `WindowUnmaximise(ctx context.Context)`<br/> JS: `WindowUnmaximise()`

### WindowToggleMaximise

Toggles between Maximised and UnMaximised.

Go: `WindowToggleMaximise(ctx context.Context)`<br/> JS: `WindowToggleMaximise()`

### WindowMinimise

Minimises the window.

Go: `WindowMinimise(ctx context.Context)`<br/> JS: `WindowMinimise()`

### WindowUnminimise

Restores the window to the dimensions and position prior to minimising.

Go: `WindowUnminimise(ctx context.Context)`<br/> JS: `WindowUnminimise()`

### WindowSetBackgroundColour

Sets the background colour of the window to the given RGBA colour definition. This colour will show through for all transparent pixels.

Valid values for R, G, B and A are 0-255.

:::info Windows
On Windows, only alpha values of 0 or 255 are supported.
Any value that is not 0 will be considered 255.
:::

Go: `WindowSetBackgroundColour(ctx context.Context, R, G, B, A uint8)`<br/> JS: `WindowSetBackgroundColour(R, G, B, A)`

## Typescript Object Definitions

### Position

```ts
interface Position {
    x: number;
    y: number;
}
```

### Size

```ts
interface Size {
    w: number;
    h: number;
}
```