Decrease reference count and return its previous value. Delete the document if reference count reaches zero.

Return both the width of the first character in the string and a status saying whether it is valid or invalid. Most invalid sequences return a width o

Set if comments can be folded.

Set the background colour for a style.

Give the largest height of the set.

Returns the attached document. \sa setDocument()

* Used by commmands that want to select whole words. * Finds the start of word at pos when delta < 0 or the end of the word when delta >= 0. */

Returns the style's description. \sa setDescription()

Returns the user name of a style.

Returns the QsciScintilla instance that the lexer is currently attached to or 0 if it is unattached.

Find the first occurrence of a string. show:会保证找到的自动，在当前屏幕上可见，这个默认是true，注意该操作非常耗时。 在批量查找或者替换的时候，如果不需要可见，最好修改为不可见。否则在替换一个长行，长行中存在几百个的情况，速度会非常慢。 本来只需要2s

Set the line wrap mode.

swap:

新文件的id，非新文件为-1

Ensure at least length elements allocated, appending zero valued elements if needed.

Tests for BATCH Operators

* Code copied from StyleContext and modified to work here. Should go into Accessor as a * companion to Match()... */

Send a message to the real Scintilla widget using the low level Scintilla API that returns a pointer result.

Returns the foreground colour of the text for a style.

Returns true if some text is selected. \sa selectedText()