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* fhandler_console.cc (fhandler_console::cursor_set): Disable forcing 

y to the current winBottom position.  Explain why.
This commit is contained in:
Corinna Vinschen 2011-10-12 14:19:20 +00:00
parent 4add6f8db1
commit 5de3a1c10f
2 changed files with 16 additions and 1 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2011-10-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_console.cc (fhandler_console::cursor_set): Disable forcing
y to the current winBottom position. Explain why.
2011-10-11 Christopher Faylor <me.cygwin2011@cgf.cx> 2011-10-11 Christopher Faylor <me.cygwin2011@cgf.cx>
* cygwin.din: Remove some _tc* exports. Add tcgetsid(). * cygwin.din: Remove some _tc* exports. Add tcgetsid().

12
winsup/cygwin/fhandler_console.cc
View File

@ -1175,9 +1175,19 @@ fhandler_console::cursor_set (bool rel_to_top, int x, int y)
COORD pos; COORD pos;
dev_state.fillin_info (get_output_handle ()); dev_state.fillin_info (get_output_handle ());
#if 0
/* Setting y to the current winBottom here is the reason that the window
isn't scrolled back to the current cursor position like it's done in
any other terminal. Rather, the curser is forced to the bottom of the
currently scrolled region. This breaks the console buffer content if
output is generated while the user had the window scrolled back. This
behaviour is very old, it has no matching ChangeLog entry.
Just disable for now but keep the code in for future reference. */
if (y > dev_state.info.winBottom) if (y > dev_state.info.winBottom)
y = dev_state.info.winBottom; y = dev_state.info.winBottom;
else if (y < 0) else
#endif
if (y < 0)
y = 0; y = 0;
else if (rel_to_top) else if (rel_to_top)
y += dev_state.info.winTop; y += dev_state.info.winTop;