Gui support for enhancement of dbstop. * octave-qscintilla.cc (contextMenuEvent): Capture right-click in the left margins to show a context menu for "dbstop if...". * octave-qscintilla.{cc,h} (contextmenu_break_condition): new function * file-editor-interface.h: pass condition to handle_update_breakpoint_marker_request * file-editor-tab.{cc,h}: (file_editor_tab, bp_info, handle_request_add_breakpoint, next_breakpoint, previous_breakpoint, do_breakpoint_marker, add_breakpoint_callback): Allow conditional breakpoint markers * file-editor-tab.cc (handle_context_menu_break_condition): new function * file-editor.{cc,h} (request_open_file, add_file_editor_tab, handle_delete_debugger_pointer_request): pass bp conditions. * marker.{cc,h} (marker, construct, handle_report_editor_linenr): pass breakpoint conditions * main-window.{cc,h} (handle_update_breakpoint_marker_request): pass breakpoint condition. * octave-link.h (update_breakpoint): pass breakpoint condition. * octave-qt-link.{cc,h} (do_update_breakpoint): pass breakpoint condition.

syntax: regexp
# The recurrent (^|/) idiom in the regexps below should be understood
# to mean "at any directory" while the ^ idiom means "from the
# project's top-level directory".

# gnulib makes these silly backup files
.~$

# This directory gets created by gnulib during the build.
# It contains no Octave files.
^libgnu/*

# This directory mostly contains cruft during build time, but it does
# contain some Octave code, so we gotta be a bit more careful about
# what we ignore here
^m4/(?!ax_).+\.m4$

# Emacs tools create these
(^|/)TAGS$
(^|/)semantic.cache$

(/|^)Makefile\.in$
^INSTALL$

^aclocal\.m4$
^build-.*($|/)
^configure$
^autom4te\.cache($|/)
^config\.in\.h$

# e.g. doc/faq/OctaveFAQ.info
#      doc/interpreter/octave.info-4
^doc/.*\.info(-\d)?$

^doc/\w*/stamp-(vti|\d+)$
^doc/\w*/version-\w+\.texi$
^doc/interpreter/images\.mk$

# e.g. liboctave/operators/smx-op-inc.mk
^liboctave/operators/\w+-op-\w+\.mk$

^libinterp/dldfcn/module\.mk$