View Full Version : Setting Text in QPlainTextEdit without Clearing Undo/Redo History
Furkan
20th July 2011, 14:32
Hello.
How can I set text in QPlainTextEdit without clearing the undo/redo history?
mcosta
20th July 2011, 14:56
You can try
access to the document
create a text cursor
select all text in the document
delete selected text
insert new text
QTextDocument *doc = plainTextEdit->document();
QTextCursor curs (doc);
curs.select (QTextCursor::Document);
curs.removeSelectedText ();
curs.insertText (newText);
Lykurg
20th July 2011, 14:56
I haven't tried it, but maybe using QCursor directly wont clear the history.
...too late.
Furkan
20th July 2011, 16:01
Thank you so much. It works. But it also takes the empty document (When you remove selected text) into the undo/redo history.
mcosta
20th July 2011, 16:23
delete the line
curs.removeSelectedText ();
from my code
Furkan
20th July 2011, 21:01
How could I not think about that!?
Thank you so much. It works perfect now!
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