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add option to not match case during search

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This commit is contained in:
Douglas Bacon 2020-06-22 15:24:41 -04:00
parent 412c80eec7
commit 82af0ad81f
2 changed files with 51 additions and 20 deletions
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4
terminatorlib/regex.py
View File

@ -11,6 +11,10 @@ from gi.repository import GLib, Vte
# the corresponding bits are defined here:
# https://vcs.pcre.org/pcre2/code/trunk/src/pcre2.h.in?view=markup
PCRE2_MULTILINE = 0x00000400
PCRE2_CASELESS = 0x00000008
GLIB_CASELESS = GLib.RegexCompileFlags.CASELESS
FLAGS_GLIB = (GLib.RegexCompileFlags.OPTIMIZE | GLib.RegexCompileFlags.MULTILINE)
if hasattr(Vte, 'REGEX_FLAGS_DEFAULT'):
FLAGS_PCRE2 = (Vte.REGEX_FLAGS_DEFAULT | PCRE2_MULTILINE)

67
terminatorlib/searchbar.py
View File

@ -37,6 +37,10 @@ class Searchbar(Gtk.HBox):
"""Class initialiser"""
GObject.GObject.__init__(self)
# default regex flags are not CASELESS
self.regex_flags_pcre2 = regex.FLAGS_PCRE2
self.regex_flags_glib = regex.FLAGS_GLIB
self.config = Config()
self.get_style_context().add_class("terminator-terminal-searchbar")
@ -66,21 +70,29 @@ class Searchbar(Gtk.HBox):
close.show_all()
# Next Button
self.next = Gtk.Button(_('Next'))
self.next = Gtk.Button.new_with_label('Next')
self.next.show()
self.next.set_sensitive(False)
self.next.connect('clicked', self.next_search)
# Previous Button
self.prev = Gtk.Button(_('Prev'))
self.prev = Gtk.Button.new_with_label('Prev')
self.prev.show()
self.prev.set_sensitive(False)
self.prev.connect('clicked', self.prev_search)
# Match Case checkbox
self.match_case = Gtk.CheckButton.new_with_label('Match Case')
self.match_case.show()
self.match_case.set_sensitive(True)
self.match_case.set_active(True)
self.match_case.connect('toggled', self.match_case_toggled)
# Wrap checkbox
self.wrap = Gtk.CheckButton(_('Wrap'))
self.wrap = Gtk.CheckButton.new_with_label('Wrap')
self.wrap.show()
self.wrap.set_sensitive(True)
self.wrap.set_active(True)
self.wrap.connect('toggled', self.wrap_toggled)
self.pack_start(label, False, True, 0)
@ -88,6 +100,7 @@ class Searchbar(Gtk.HBox):
self.pack_start(self.prev, False, False, 0)
self.pack_start(self.next, False, False, 0)
self.pack_start(self.wrap, False, False, 0)
self.pack_start(self.match_case, False, False, 0)
self.pack_end(close, False, False, 0)
self.hide()
@ -100,11 +113,28 @@ class Searchbar(Gtk.HBox):
self.prev.set_sensitive(True)
self.next.set_sensitive(True)
def match_case_toggled(self, toggled):
"""Handles Match Case checkbox toggles"""
toggled_state = toggled.get_active()
if not toggled_state:
# Add the CASELESS regex flags when the checkbox is not checked.
self.regex_flags_pcre2 = (regex.FLAGS_PCRE2 | regex.PCRE2_CASELESS)
self.regex_flags_glib = (regex.FLAGS_GLIB | regex.GLIB_CASELESS)
else:
# Default state of the check box is unchecked. CASELESS regex flags are not added.
self.regex_flags_pcre2 = regex.FLAGS_PCRE2
self.regex_flags_glib = regex.FLAGS_GLIB
self.do_search(self.entry) # Start a new search everytime the check box is toggled.
def get_vte(self):
"""Find our parent widget"""
parent = self.get_parent()
if parent:
self.vte = parent.vte
#turn on wrap by default
self.vte.search_set_wrap_around(True)
# pylint: disable-msg=W0613
def search_keypress(self, widget, event):
@ -132,24 +162,21 @@ class Searchbar(Gtk.HBox):
if searchtext == '':
return
if searchtext != self.searchstring:
self.searchstring = searchtext
self.searchre = None
if regex.FLAGS_PCRE2:
try:
self.searchre = Vte.Regex.new_for_search(searchtext, len(searchtext), regex.FLAGS_PCRE2)
dbg('search RE: %s' % self.searchre)
self.vte.search_set_regex(self.searchre, 0)
except GLib.Error:
# happens when PCRE2 support is not builtin (Ubuntu < 19.10)
pass
if not self.searchre:
# fall back to old GLib regex
self.searchre = GLib.Regex(searchtext, regex.FLAGS_GLIB, 0)
self.searchre = None
if regex.FLAGS_PCRE2:
try:
self.searchre = Vte.Regex.new_for_search(searchtext, len(searchtext), self.regex_flags_pcre2)
dbg('search RE: %s' % self.searchre)
self.vte.search_set_gregex(self.searchre, 0)
self.vte.search_set_regex(self.searchre, 0)
except GLib.Error:
# happens when PCRE2 support is not builtin (Ubuntu < 19.10)
pass
if not self.searchre:
# fall back to old GLib regex
self.searchre = GLib.Regex(searchtext, self.regex_flags_glib, 0)
dbg('search RE: %s' % self.searchre)
self.vte.search_set_gregex(self.searchre, 0)
self.next.set_sensitive(True)
self.prev.set_sensitive(True)