Package org.jline.utils

Class Display

java.lang.Object
org.jline.utils.Display
public class Display extends Object
Handle display and visual cursor.
Author:
Guillaume Nodet

  • Field Details

    • terminal

      protected final Terminal terminal

    • fullScreen

      protected final boolean fullScreen

    • oldLines

      protected List<AttributedString> oldLines

    • cursorPos

      protected int cursorPos

    • rows

      protected int rows

    • reset

      protected boolean reset

    • delayLineWrap

      protected boolean delayLineWrap

    • cost

      protected final Map<InfoCmp.Capability,Integer> cost

    • canScroll

      protected final boolean canScroll

    • wrapAtEol

      protected final boolean wrapAtEol

    • delayedWrapAtEol

      protected final boolean delayedWrapAtEol

    • cursorDownIsNewLine

      protected final boolean cursorDownIsNewLine

  • Constructor Details

    • Display

      public Display(Terminal terminal, boolean fullscreen)

  • Method Details

    • delayLineWrap

      public boolean delayLineWrap()
      If cursor is at right margin, don't wrap immediately. See org.jline.reader.LineReader.Option#DELAY_LINE_WRAP.
      Returns:
      true if line wrap is delayed, false otherwise

    • setDelayLineWrap

      public void setDelayLineWrap(boolean v)

    • resize

      public void resize(int rows, int columns)

    • reset

      public void reset()

    • clear

      public void clear()
      Clears the whole screen. Use this method only when using full-screen / application mode.

    • updateAnsi

      public void updateAnsi(List<String> newLines, int targetCursorPos)

    • update

      public void update(List<AttributedString> newLines, int targetCursorPos)
      Update the display according to the new lines and flushes the output.
      Parameters:
      newLines - the lines to display
      targetCursorPos - desired cursor position - see Size.cursorPos.

    • update

      public void update(List<AttributedString> newLines, int targetCursorPos, boolean flush)
      Update the display according to the new lines.
      Parameters:
      newLines - the lines to display
      targetCursorPos - desired cursor position - see Size.cursorPos.
      flush - whether the output should be flushed or not

    • deleteLines

      protected boolean deleteLines(int nb)

    • insertLines

      protected boolean insertLines(int nb)

    • insertChars

      protected boolean insertChars(int nb)

    • deleteChars

      protected boolean deleteChars(int nb)

    • can

      protected boolean can(InfoCmp.Capability single, InfoCmp.Capability multi)

    • perform

      protected boolean perform(InfoCmp.Capability single, InfoCmp.Capability multi, int nb)

    • moveVisualCursorTo

      protected void moveVisualCursorTo(int targetPos, List<AttributedString> newLines)

    • moveVisualCursorTo

      protected int moveVisualCursorTo(int i1)

    • wcwidth

      public int wcwidth(String str)