[Bug 3579] Text missing in nag dialog box in IBasic trial version

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=3579





------- Additional Comments From reuben at ugcs.caltech.edu  2005-15-10 10:18 -------
Bug confirmed.  Further information:

The text in question is inside an edit control (dlls/user/edit.c).  A patch in
February added checks inside EDIT_EM_ReplaceSel to make sure that the text will
fit inside the available box.  Before this, there was no such check.

http://www.winehq.org/pipermail/wine-patches/2005-February/015979.html

In the current code, this check is ignored if honor_limit is false.  If
honor_limit is true and the replacement (or new) text appears to be too long,
the edit control is left unchanged.  The message in IBasic is calculated as
taking up too many lines, which is why it does not appear nown, but did appear
before the line-number check was added.

Details about this particular message: the edit control has its top at pixel 0
and its bottom at pixel 48.  The line_height property is 16,  The calculated
number of lines required is line_count=5, and the calculated number of lines
available is vlc=3.  Because 3 < 5, EDIT_EM_ReplaceSel concludes that the
message is too long and doesn't display it.  If I turn off the length checking
to make the message appear, it requires only 4 lines, and the actual offset of
one line from the previous one is 14 pixels.

>From these details, there are three distinct things that look wrong to me.

1. Each line requires 14 pixels, but line_height=16.  Why don't they match?
2. The message is calculated to require 5 lines, when it really only needs 4.  I
think this is a problem in EDIT_BuildLineDefs_ML.
3. If #1 and #2 were fixed, we'd need 14 pixels * 4 lines = 56 pixels, and the
edit control only has 48 pixels, so the length check would still fail.  Maybe
something else is wrong?

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