Inherited by: QTextList
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Block groups can be used to organize blocks of text within a document. They maintain an up-to-date list of the text blocks that belong to them, even when text blocks are being edited.
Each group has a parent document which is specified when the group is constructed.
The list of blocks in the group is returned by
blockList() . Note that the blocks in the list are not necessarily adjacent elements in the document; for example, the top-level items in a multi-level list will be separated by the items in lower levels of the list.
Creates a new new block group for the given
This function should only be called from
This function is called whenever the specified
block of text is changed. The text block is a member of this group.
The base class implementation does nothing.
Appends the given
block to the end of the group.
If you reimplement this function you must call the base class implementation.
- Return type:
Returns a (possibly empty) list of all the blocks that are part of the block group.
Removes the given
block from the group; the block itself is not deleted, it simply isn’t a member of this group anymore.