various methods add fieldEditor support.
* GSContext.m/GSContext.h revert to previous code as solution discussed
with Adam Fedor regarding backends had problems I had not forseen.
* NSBrowserCell.h/.m specify text subcell as an NSCell, eliminate image
cell, copyWithZone: optimize and eliminate use of ASSIGN (fixes serious
dealloc bug), highlight: eliminate method (fixes dup display bug).
* NSButtonCell.m copyWithZone: optimize and eliminate use of ASSIGN
* NSStringDrawing.h/.m remove unimplemented draw methods from Category
(these are backend specific, can't be defined twice and are already
implemented in xraw).
* NSApplication.h redefine initialize_gnustep_backend () per Adam's
redefinition in the backend.
* Functions.m/.h remove initialize_gnustep_backend()
* NSCell.m preliminary implementation of fieldEditor mechanism,
copyWithZone: optimize and eliminate use of ASSIGN
* NSControl.m rename cell class global to _NSCONTROL_CELL_CLASS
* NSMatrix.m implement NSControl's updateCell: to prevent unecessary
matrix drawing if possible.
* NSView.m -resizeWithOldSuperviewSize reverted code to my own once more
(fewer lines and no if/else logic), changed code to use view frame instead
of bounds per 3.3/4.2 docs, optimize to avoid floating point math and scale
adjustment unless view has been scaled.
* NSScrollView.m define as externs various PS* functions for use in
drawing, polish drawing, move all backend code to front.
* Tools/dummy.m define dummy PS* functions employed in gui.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3454 72102866-910b-0410-8b05-ffd578937521
during merge. Move method from _eventMatchingMask to tail of run
method for performance reasons.
* Tools/dummy.m add various new dummy functions.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3334 72102866-910b-0410-8b05-ffd578937521
