# Terminator by Chris Jones # GPL v2 only """searchbar.py - classes necessary to provide a terminal search bar""" import gi from gi.repository import Gtk, Gdk gi.require_version('Vte', '2.91') # vte-0.38 (gnome-3.14) from gi.repository import Vte from gi.repository import GObject from gi.repository import GLib from .translation import _ from .config import Config from . import regex from .util import dbg # pylint: disable-msg=R0904 class Searchbar(Gtk.HBox): """Class implementing the Searchbar widget""" __gsignals__ = { 'end-search': (GObject.SignalFlags.RUN_LAST, None, ()), } entry = None next = None prev = None wrap = None vte = None config = None searchstring = None searchre = None def __init__(self): """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") # Search text self.entry = Gtk.Entry() self.entry.set_activates_default(True) self.entry.show() self.entry.connect('activate', self.do_search) self.entry.connect('key-press-event', self.search_keypress) # Label label = Gtk.Label(label=_('Search:')) label.show() # Close Button close = Gtk.Button() close.set_relief(Gtk.ReliefStyle.NONE) close.set_focus_on_click(False) icon = Gtk.Image() icon.set_from_stock(Gtk.STOCK_CLOSE, Gtk.IconSize.MENU) close.add(icon) close.set_name('terminator-search-close-button') if hasattr(close, 'set_tooltip_text'): close.set_tooltip_text(_('Close Search bar')) close.connect('clicked', self.end_search) close.show_all() # Next Button 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.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(self.config.base.get_item('case_sensitive')) self.match_case.connect('toggled', self.match_case_toggled) # Wrap checkbox 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) self.pack_start(self.entry, True, True, 0) 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() self.set_no_show_all(True) def wrap_toggled(self, toggled): toggled_state = toggled.get_active() self.vte.search_set_wrap_around(toggled_state) if toggled_state: 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. try: self.regex_flags_pcre2 = (regex.FLAGS_PCRE2 | regex.PCRE2_CASELESS) except TypeError: # if PCRE2 support is not available pass # The code will fall back to use this GLib regex when PCRE2 is not available 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.config.base.set_item('case_sensitive', toggled_state) self.config.save() 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): """Handle keypress events""" key = Gdk.keyval_name(event.keyval) if key == 'Escape': self.end_search() else: self.prev.set_sensitive(False) self.next.set_sensitive(False) def start_search(self): """Show ourselves""" if not self.vte: self.get_vte() self.show() self.entry.grab_focus() def do_search(self, widget): """Trap and re-emit the clicked signal""" dbg('entered do_search') searchtext = self.entry.get_text() dbg('searchtext: %s' % searchtext) if searchtext == '': return 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_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) self.next_search(None) def next_search(self, widget): """Search forwards and jump to the next result, if any""" found_result = self.vte.search_find_next() if not self.wrap.get_active(): self.next.set_sensitive(found_result) else: self.next.set_sensitive(True) self.prev.set_sensitive(True) return def prev_search(self, widget): """Jump back to the previous search""" found_result = self.vte.search_find_previous() if not self.wrap.get_active(): self.prev.set_sensitive(found_result) else: self.prev.set_sensitive(True) self.next.set_sensitive(True) return def end_search(self, widget=None): """Trap and re-emit the end-search signal""" self.searchstring = None self.searchre = None self.emit('end-search') def get_search_term(self): """Return the currently set search term""" return(self.entry.get_text()) GObject.type_register(Searchbar)