Left Arrow

Moves the cursor one character to the left.

Shift+Left Arrow

Moves and selects text one character to the left.

Right Arrow

Moves the cursor one character to the right.

Shift+Right Arrow

Moves and selects text one character to the right.

Home

Moves the cursor to the beginning of the line.

End

Moves the cursor to the end of the line.

Backspace

Deletes the character to the left of the cursor.

Ctrl+Backspace

Deletes the word to the left of the cursor.

Delete

Deletes the character to the right of the cursor.

Ctrl+Delete

Deletes the word to the right of the cursor.

Ctrl+A

Selects all.

Ctrl+C / Ctrl+Insert

Copies the selected text to the clipboard.

Ctrl+K

Deletes to the end of the line.

Ctrl+V / Shift+Insert

Pastes the clipboard text into line edit.

Ctrl+X / Shift+Delete

Deletes the selected text and copies it to the clipboard.

Ctrl+Z

Undoes the last operation.

Ctrl+Y

Redoes the last undone operation.