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Conference bulova::decw_jan-89_to_nov-90

Title:	DECWINDOWS 26-JAN-89 to 29-NOV-90
Notice:	See 1639.0 for VMS V5.3 kit; 2043.0 for 5.4 IFT kit
Moderator:	STAR::VATNE

Created:	Mon Oct 30 1989
Last Modified:	Mon Dec 31 1990
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3726
Total number of notes:	19516

1090.0. "fill highlight lost on push_button" by NEXUS::B_WACKER () Tue Jul 11 1989 14:11

Note 515 of decwindows_ft1 and 980 of _old talked about the problem of 
fill_highlight going away when the cursor moves out of a pushbutton.  
It was QAR'd but may have been dropped because there was a workaround. 
My question is whether or not it is a bug that highlight goes away 
when the cursor leaves a pushbutton?  If not a bug then could someone 
explain why it acts that way.  If it is a bug is it fixed or still on 
the list or forgotten.

To demonstrate add a setvalues (DwtNfillHighlight,1) to the helloworld 
activate routine.

T.R Title User Personal
Name Date Lines

1090.1 By design RTL::MCOLLINS Fri Jul 14 1989 13:24 27

T.R	Title	User	Personal Name	Date	Lines
1090.1	By design	RTL::MCOLLINS		`Fri Jul 14 1989 13:24`	27
	The highlight of a pushbutton is used to indicate the 'armed' state. The Style Guide default semantics are that a button down in a pushbutton arms it, a button up activates iff armed. A leave window event disarms a pushbutton. eg: the default translations look something like this (edited for clarity) "~Shift ~Ctrl ~Meta ~Alt<Btn1Down>:\ HIGHLIGHT()\ highlight & arm DWTPBARM()\ None<Btn1Up>: DWTPBFILLUNHIGHLIGHT()\ unhighlight DWTPBACTIVATE()\ activate iff armed DWTPBDISARM()\n\ force disarm Any<LeaveWindow>: DWTPBFILLUNHIGHLIGHT()\ clear highlight DWTPBDISARM()"; force disarm We could argue about the 'correctness' of these semantics but that is what it is set up to do. Why it's this way is mostly because that's what the Style Guide people wanted at the time. Mike Collins

The highlight of a pushbutton is used to indicate the 'armed' state.  The
Style Guide default semantics are that a button down in a pushbutton
arms it, a button up activates iff armed.  A leave window event disarms a
pushbutton.

eg: the default translations look something like this (edited for clarity)


"~Shift ~Ctrl ~Meta ~Alt<Btn1Down>:\
                        HIGHLIGHT()\			highlight & arm
                        DWTPBARM()\

 None<Btn1Up>:          DWTPBFILLUNHIGHLIGHT()\		unhighlight
                        DWTPBACTIVATE()\		activate iff armed
                        DWTPBDISARM()\n\		force disarm

 Any<LeaveWindow>:      DWTPBFILLUNHIGHLIGHT()\		clear highlight
                        DWTPBDISARM()";			force disarm


We could argue about the 'correctness' of these semantics but that is what
it is set up to do.  Why it's this way is mostly because that's what the
Style Guide people wanted at the time.

Mike Collins