Edit Box

Features

• Simplified edit box creation
• Keyboard handling automatically:
  • Inserts characters into the edit box
  • Word-wraps
• Get/set the text
• Get/set the text selection (highlight)
• Set the clipboard contents
• Set the width of the edit box
• Set the width of the cursor
• Insert text
• Replace text
• 'Evaluate'
• Copy selection to clipboard
• Paste selection from clipboard
• Get/set the changed ('dirty') flag
• Set what hidden features are shown:
  • Tabs
  • Spaces
  • Paragraph ends
  • Soft hyphens
  • Forces line breaks
• Get/set font and style of the edit box
• Alter the document 'behind' the edit box
• Get/set the word-wrap margin (set a big margin like 4096 to turn word-wrap off)
• Delete all the text in the edit box
• Highlight all the text in the edit box
• Count words and paragraphs
• Load from a text file
• Save to a text file

Description

An interface to the built-in SIBO edit box object. This is the engine behind the OPL editor and the Word processor applications. Now your programs can have it too!

Access is provided to the document data 'behind' the edit box. This allows you to make large changes to the text without updating the edit box display. When finished, the edit box is notified so the screen updates happen in one 'go'.

For best performance, this module uses the segmented document object instead of the slower flat document object. This allows for uniform responsiveness no matter the size of the document being edited. It also allows for a more efficient use of memory, allowing quite large (40K+) documents to be edited.

Derived From

ftp://ftp.nwt.com/pub/s3/developer/opl/editbox.zip by "Alasdair Manson" <ali_manson at yahoo dot com>.

Required Modules

None