Class: Playwright::Keyboard

Inherits:
PlaywrightApi show all
Defined in:
lib/playwright_api/keyboard.rb

Overview

Keyboard provides an api for managing a virtual keyboard. The high level api is [‘method: Keyboard.type`], which takes raw characters and generates proper `keydown`, `keypress`/`input`, and `keyup` events on your page.

For finer control, you can use [‘method: Keyboard.down`], [`method: Keyboard.up`], and [`method: Keyboard.insertText`] to manually fire events as if they were generated from a real keyboard.

An example of holding down ‘Shift` in order to select and delete some text:

“‘python sync page.keyboard.type(“Hello World!”) page.keyboard.press(“ArrowLeft”) page.keyboard.down(“Shift”) for i in range(6):

page.keyboard.press("ArrowLeft")

page.keyboard.up(“Shift”) page.keyboard.press(“Backspace”) # result text will end up saying “Hello!” “‘

An example of pressing uppercase ‘A`

“‘python sync page.keyboard.press(“Shift+KeyA”) # or page.keyboard.press(“Shift+A”) “`

An example to trigger select-all with the keyboard

“‘python sync # on windows and linux page.keyboard.press(“Control+A”) # on mac_os page.keyboard.press(“Meta+A”) “`

Instance Method Summary collapse

Methods inherited from PlaywrightApi

#initialize, unwrap, wrap

Constructor Details

This class inherits a constructor from Playwright::PlaywrightApi

Instance Method Details

#down(key) ⇒ Object

Dispatches a ‘keydown` event.

‘key` can specify the intended [keyboardEvent.key](developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key) value or a single character to generate the text for. A superset of the `key` values can be found [here](developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key/Key_Values). Examples of the keys are:

‘F1` - `F12`, `Digit0`- `Digit9`, `KeyA`- `KeyZ`, `Backquote`, `Minus`, `Equal`, `Backslash`, `Backspace`, `Tab`, `Delete`, `Escape`, `ArrowDown`, `End`, `Enter`, `Home`, `Insert`, `PageDown`, `PageUp`, `ArrowRight`, `ArrowUp`, etc.

Following modification shortcuts are also supported: ‘Shift`, `Control`, `Alt`, `Meta`, `ShiftLeft`, `ControlOrMeta`. `ControlOrMeta` resolves to `Control` on Windows and Linux and to `Meta` on macOS.

Holding down ‘Shift` will type the text that corresponds to the `key` in the upper case.

If ‘key` is a single character, it is case-sensitive, so the values `a` and `A` will generate different respective texts.

If ‘key` is a modifier key, `Shift`, `Meta`, `Control`, or `Alt`, subsequent key presses will be sent with that modifier active. To release the modifier key, use [`method: Keyboard.up`].

After the key is pressed once, subsequent calls to [‘method: Keyboard.down`] will have [repeat](developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat) set to true. To release the key, use [`method: Keyboard.up`].

NOTE: Modifier keys DO influence ‘keyboard.down`. Holding down `Shift` will type the text in upper case.



67
68
69
 
# File 'lib/playwright_api/keyboard.rb', line 67

def down(key)
  wrap_impl(@impl.down(unwrap_impl(key)))
end

#insert_text(text) ⇒ Object

Dispatches only ‘input` event, does not emit the `keydown`, `keyup` or `keypress` events.

Usage

“‘python sync page.keyboard.insert_text(“嗨”) “`

NOTE: Modifier keys DO NOT effect ‘keyboard.insertText`. Holding down `Shift` will not type the text in upper case.



81
82
83
 
# File 'lib/playwright_api/keyboard.rb', line 81

def insert_text(text)
  wrap_impl(@impl.insert_text(unwrap_impl(text)))
end

#press(key, delay: nil) ⇒ Object

NOTE: In most cases, you should use [‘method: Locator.press`] instead.

‘key` can specify the intended [keyboardEvent.key](developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key) value or a single character to generate the text for. A superset of the `key` values can be found [here](developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key/Key_Values). Examples of the keys are:

‘F1` - `F12`, `Digit0`- `Digit9`, `KeyA`- `KeyZ`, `Backquote`, `Minus`, `Equal`, `Backslash`, `Backspace`, `Tab`, `Delete`, `Escape`, `ArrowDown`, `End`, `Enter`, `Home`, `Insert`, `PageDown`, `PageUp`, `ArrowRight`, `ArrowUp`, etc.

Following modification shortcuts are also supported: ‘Shift`, `Control`, `Alt`, `Meta`, `ShiftLeft`, `ControlOrMeta`. `ControlOrMeta` resolves to `Control` on Windows and Linux and to `Meta` on macOS.

Holding down ‘Shift` will type the text that corresponds to the `key` in the upper case.

If ‘key` is a single character, it is case-sensitive, so the values `a` and `A` will generate different respective texts.

Shortcuts such as ‘key: “Control+o”`, `key: “Control++` or `key: ”Control+Shift+T“` are supported as well. When specified with the modifier, modifier is pressed and being held while the subsequent key is being pressed.

Usage

“‘python sync page = browser.new_page() page.goto(“keycode.info”) page.keyboard.press(“a”) page.screenshot(path=“a.png”) page.keyboard.press(“ArrowLeft”) page.screenshot(path=“arrow_left.png”) page.keyboard.press(“Shift+O”) page.screenshot(path=“o.png”) browser.close() “`

Shortcut for [‘method: Keyboard.down`] and [`method: Keyboard.up`].



122
123
124
 
# File 'lib/playwright_api/keyboard.rb', line 122

def press(key, delay: nil)
  wrap_impl(@impl.press(unwrap_impl(key), delay: unwrap_impl(delay)))
end

#type(text, delay: nil) ⇒ Object

NOTE: In most cases, you should use [‘method: Locator.fill`] instead. You only need to press keys one by one if there is special keyboard handling on the page - in this case use [`method: Locator.pressSequentially`].

Sends a ‘keydown`, `keypress`/`input`, and `keyup` event for each character in the text.

To press a special key, like ‘Control` or `ArrowDown`, use [`method: Keyboard.press`].

Usage

“‘python sync page.keyboard.type(“Hello”) # types instantly page.keyboard.type(“World”, delay=100) # types slower, like a user “`

NOTE: Modifier keys DO NOT effect ‘keyboard.type`. Holding down `Shift` will not type the text in upper case.

NOTE: For characters that are not on a US keyboard, only an ‘input` event will be sent.



143
144
145
 
# File 'lib/playwright_api/keyboard.rb', line 143

def type(text, delay: nil)
  wrap_impl(@impl.type(unwrap_impl(text), delay: unwrap_impl(delay)))
end

#up(key) ⇒ Object

Dispatches a ‘keyup` event.



149
150
151
 
# File 'lib/playwright_api/keyboard.rb', line 149

def up(key)
  wrap_impl(@impl.up(unwrap_impl(key)))
end