Terry J. Reedy added the comment:
The focus *should* stay on the dialog, #17511, but the found text should be
highlighted with the 'found' highlight, as it is for Replace in Editor (but not
Output) windows. The issue is that found text on Windows is not hightlighted
in any way. It apparently is on other platforms, though I am not sure which
way (but probably as 'selected' rather than 'found'). Hence the title change.
There must be some difference between the Find Next code in Search dialog and
the Find code in Replace. The relevant code for Find Next is
SearchDialog.SearchDialog.find_again, after 'if res:' (if pattern found). The
corresponding code in Find is ReplaceDialog.ReplaceDialog.do_find after the 'if
not res:' block.
I believe I found the crucial difference. Do_find is similar to find_again
except for putting the tag and show code in a separate .show_hit method.
Show_hit has code to clear and then set a 'hit' tag. The hit tag is associated
with the hit (found) highlight in ColorDelegator.LoadTagDefs and config_colors.
# The following is used by ReplaceDialog:
"hit": idleConf.GetHighlight(theme, "hit"),
and self.tag_configure(tag, **cnf)
The fix is to use 'hit' in SearchDialog also. I believe the show_hit slightly
modified could be moved to SearchDialogBase and used in find_again.
For output windows, Search is active but ColorDelegator is not. ColorDelegator
does not use 'hit'. The tag_configure for 'hit' can and should be moved to
SearchDialogBase. (I either have or will moved 'break' confiuration away.)
A note on selection highlighting. When Debugger is running with [x]Source,
source lines are marked with the 'selected; highlight.
Debugger.Debugger.show_source calls Debugger.sync_source_line which calls
self.flist.gotofileline(filename, lineno) which selects the line in the file.
In msg186609 of #17511, which was about keeping the dialog open after Find
Next, Roger claimed that the patch for #14146, which was about highlighting
source (as selected) when debugger is open, would also fix highlighting found
source when Find is open. The patch, b56ae3f878cb (for 3.4) adds a
Windows-specific "def _highlight_workaround(self)" to EditorWindow. But is does
not cause select highlighting in either Search or Replace windows. I believe it
works for Debugger because gotofileline temporarily changes focus to the editor
window containing the file, raising it to the top, before focus shifts back to
Debugger, putting it back on top of the editor (usually) if there is overlap.
The highlight workaround highlights the sel_fix tag (a substitute for sel) as
focus leaves the editor.
To mark found text with the 'selected' highlight, we would have to shift focus
temporarily to the editor by some other means. But 1. the 'experimental'
debugger is temperamental and sometimes freezes Idle, and I don't know if the
focus shifting has anything to do with that; 2. I think consistently using the
'found' highlight for both search dialog is better anyway.
----------
nosy: +roger.serwy
stage: -> test needed
title: Focus stays on Search Dialog when text found in editor -> Idle. Search
dialog found text not highlited on Windows
versions: +Python 2.7, Python 3.5
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<http://bugs.python.org/issue22179>
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