v0.2.0

• Add Scrolling enum to provide more flexible scrolling via TextArea::scroll method. It has the following enum variants.
  • BREAKING Scrolling::Delta scrolls the textarea by given rows and cols. This variant can be converted from (i16, i16) so migrating from v0.1.6 is very easy.

    let rows: i16 = ...;
    let cols: i16 = ...;
    
    // Until v0.1.6
    textarea.scroll(rows, cols);
    
    // Since v0.2.0
    textarea.scroll((rows, cols));

  • Scrolling::PageDown and Scrolling::PageUp scroll the textarea by page.
  • Scrolling::HalfPageDown and Scrolling::HalfPageUp scroll the textarea by half-page.
• Update default key mappings handled by TextArea::input method.
  • BREAKING Change PageDown and PageUp keys to scroll down/up the textarea by page since v0.2.0. Until v0.1.6, it moved the cursor down/up by one paragraph.
  • Add Ctrl+V and Alt+V keys to scroll down/up the textarea by page as Emacs-like key mappings.
  • Add Alt+] and Alt+[ keys to move the cursor down/up by one paragraph as Emacs-like key mappings.
• BREAKING Add #[non_exhaustive] attribute to CursorMove enum. This is because more cursor move variations may be added in the future.
• Fix panic when the max history size is zero (which means the edit history is disabled). (#4)