Console class
A representation of the current console window.
Use the Console to get information about the current window and to read and write to it.
A comprehensive set of demos of using the Console class can be found in the
examples/ subdirectory.
Constructors
- Console()
- Console.scrolling({bool recordBlanks = true})
Properties
- cursorPosition ↔ Coordinate?
-
Returns the current cursor position as a coordinate.
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasTerminal → bool
-
Whether there is a terminal attached to stdout.
no setter
- newLine → String
-
Returns the current newline string.
no setter
- rawMode ↔ bool
-
Returns whether the terminal is in raw mode.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- supportsEmoji → bool
-
Returns whether the terminal supports Unicode emojis (👍)
no setter
- windowHeight → int
-
Returns the height of the current console window in characters.
no setter
- windowWidth → int
-
Returns the width of the current console window in characters.
no setter
Methods
-
clearScreen(
) → void - Clears the entire screen
-
cursorDown(
) → void - Moves the cursor one position down.
-
cursorLeft(
) → void - Moves the cursor one position to the left.
-
cursorRight(
) → void - Moves the cursor one position to the right.
-
cursorUp(
) → void - Moves the cursor one position up.
-
eraseCursorToEnd(
) → void - Erases the current line from the cursor to the end of the line.
-
eraseLine(
) → void - Erases all the characters in the current line.
-
hideCursor(
) → void - Hides the cursor.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
readKey(
) → Key - Reads a single key from the input, including a variety of control characters.
-
readLine(
{bool cancelOnBreak = false, bool cancelOnEscape = false, bool cancelOnEOF = false, void callback(String text, Key lastPressed)?}) → String? - Reads a line of input, handling basic keyboard navigation commands.
-
resetColorAttributes(
) → void - Resets all color attributes and text styles to the default terminal setting.
-
resetCursorPosition(
) → void - Moves the cursor to the top left corner of the screen.
-
setBackgroundColor(
ConsoleColor background) → void - Sets the console background color to a named ANSI color.
-
setBackgroundExtendedColor(
int colorValue) → void - Sets the background to one of 256 extended ANSI colors.
-
setForegroundColor(
ConsoleColor foreground) → void - Sets the console foreground color to a named ANSI color.
-
setForegroundExtendedColor(
int colorValue) → void - Sets the foreground to one of 256 extended ANSI colors.
-
setTextStyle(
{bool bold = false, bool faint = false, bool italic = false, bool underscore = false, bool blink = false, bool inverted = false, bool invisible = false, bool strikethru = false}) → void - Sets the text style.
-
showCursor(
) → void - Shows the cursor.
-
toString(
) → String -
A string representation of this object.
inherited
-
write(
Object text) → void - Writes the text to the console.
-
writeAligned(
Object text, [int? width, TextAlignment alignment = TextAlignment.left]) → void - Writes a quantity of text to the console with padding to the given width.
-
writeErrorLine(
Object text) → void - Writes an error message to the console, with newline automatically appended.
-
writeLine(
[Object? text, TextAlignment alignment = TextAlignment.left]) → void - Writes a line to the console, optionally with alignment provided by the TextAlignment enumeration.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited