Re: spellchecking and cursor/screen handling

From: Dom Lachowicz (
Date: Tue Jul 30 2002 - 14:27:30 EDT

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    If you see fl_DocLayout.cpp:735, you can see that containers in general need an isOnScreen() method. Coding this method would probably boost our performance a good bit, especially on larger documents (which is where Abi fails miserably at the moment).


    On Tuesday, July 30, 2002, at 02:15 PM, Tomas Frydrych wrote:

    > I have been looking at fl_BlockLayout::checkSpelling() and friends,
    > and it seems that every time this function is called by the timer and
    > the squiggles change, we do a screen update. We should really only
    > do screen update if the current block is on screen. Is there any
    > simple way of checking whether a block is on screen or not, or do I
    > need to design a function for that?
    > Also the flipping of cursor on and off from within this function results
    > in frantic flicker of the cursor when a document was just loaded and
    > all the blocks are being processed.
    > Tomas

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