gem-graph-client/libide/terminal/ide-terminal-search.c

424 lines
12 KiB
C

/* ide-terminal-search.c
*
* Copyright 2015-2019 Christian Hergert <christian@hergert.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "ide-terminal-search"
#define PCRE2_CODE_UNIT_WIDTH 0
#include "config.h"
#include <fcntl.h>
#include <glib/gi18n.h>
#include <pcre2.h>
#include <stdlib.h>
#include <vte/vte.h>
#include <unistd.h>
#include "ide-terminal-search.h"
#include "ide-terminal-search-private.h"
G_DEFINE_FINAL_TYPE (IdeTerminalSearch, ide_terminal_search, GTK_TYPE_BIN)
enum {
PROP_0,
PROP_REGEX,
PROP_WRAP_AROUND,
LAST_PROP
};
enum {
SEARCH,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
static GParamSpec *properties[LAST_PROP];
static void
update_sensitivity (IdeTerminalSearch *self)
{
gboolean can_search;
can_search = self->regex != NULL;
gtk_widget_set_sensitive (GTK_WIDGET (self->search_prev_button), can_search);
gtk_widget_set_sensitive (GTK_WIDGET (self->search_next_button), can_search);
}
static void
perform_search (IdeTerminalSearch *self,
gboolean backward)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
if (self->regex == NULL)
return;
g_signal_emit (self, signals[SEARCH], 0, backward);
}
static void
close_clicked_cb (GtkButton *button,
IdeTerminalSearch *self)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
gtk_revealer_set_reveal_child(self->search_revealer, FALSE);
}
static void
search_button_clicked_cb (GtkButton *button,
IdeTerminalSearch *self)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
perform_search (self, button == self->search_prev_button);
}
static void
update_regex (IdeTerminalSearch *self)
{
const char *search_text;
gboolean caseless;
g_autofree gchar *pattern = NULL;
g_autoptr(GError) error = NULL;
g_assert (IDE_IS_TERMINAL_SEARCH (self));
search_text = gtk_entry_get_text (GTK_ENTRY (self->search_entry));
caseless = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->match_case_checkbutton));
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->regex_checkbutton)))
pattern = g_strdup (search_text);
else
pattern = g_regex_escape_string (search_text, -1);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->entire_word_checkbutton)))
{
char *new_pattern;
new_pattern = g_strdup_printf ("\\b%s\\b", pattern);
g_free (pattern);
pattern = new_pattern;
}
if (self->regex_caseless == caseless &&
g_strcmp0 (self->regex_pattern, pattern) == 0)
return;
if (self->regex)
{
vte_regex_unref (self->regex);
}
g_clear_pointer (&self->regex_pattern, g_free);
if (search_text[0] != '\0')
{
guint32 compile_flags;
compile_flags = PCRE2_UTF | PCRE2_NO_UTF_CHECK | PCRE2_MULTILINE;
if (caseless)
compile_flags |= PCRE2_CASELESS;
self->regex = vte_regex_new_for_search (pattern, -1, compile_flags, &error);
if (self->regex != NULL)
self->regex_pattern = g_steal_pointer (&pattern);
}
else
self->regex = NULL;
update_sensitivity (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_REGEX]);
}
static void
search_text_changed_cb (IdeTaggedEntry *search_entry,
IdeTerminalSearch *self)
{
update_regex (self);
}
static void
search_parameters_changed_cb (GtkToggleButton *button,
IdeTerminalSearch *self)
{
update_regex (self);
}
static void
wrap_around_toggled_cb (GtkToggleButton *button,
IdeTerminalSearch *self)
{
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_WRAP_AROUND]);
}
static void
reveal_options_changed_cb (GtkToggleButton *button,
IdeTerminalSearch *self)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->reveal_button)))
gtk_widget_set_visible (GTK_WIDGET (self->search_options), TRUE);
else
gtk_widget_set_visible (GTK_WIDGET (self->search_options), FALSE);
}
static void
search_overlay_notify_regex_cb (VteTerminal *terminal,
GParamSpec *pspec G_GNUC_UNUSED,
IdeTerminalSearch *self)
{
VteRegex *regex;
g_assert (IDE_IS_TERMINAL_SEARCH (self));
g_assert (VTE_IS_TERMINAL (terminal));
regex = ide_terminal_search_get_regex (self);
vte_terminal_search_set_regex (VTE_TERMINAL (terminal), regex, 0);
}
static void
search_overlay_notify_wrap_around_cb (VteTerminal *terminal,
GParamSpec *pspec G_GNUC_UNUSED,
IdeTerminalSearch *self)
{
gboolean wrap;
g_assert (IDE_IS_TERMINAL_SEARCH (self));
g_assert (VTE_IS_TERMINAL (terminal));
wrap = ide_terminal_search_get_wrap_around (self);
vte_terminal_search_set_wrap_around (terminal, wrap);
}
static void
search_overlay_search_cb (VteTerminal *terminal,
gboolean backward,
IdeTerminalSearch *self)
{
g_assert (VTE_IS_TERMINAL (terminal));
if (backward)
vte_terminal_search_find_previous (terminal);
else
vte_terminal_search_find_next (terminal);
}
static void
search_revealer_cb (GtkRevealer *search_revealer,
GParamSpec *pspec,
IdeTerminalSearch *self)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
if (gtk_revealer_get_child_revealed (search_revealer))
{
if (vte_terminal_get_has_selection (self->terminal))
{
vte_terminal_copy_primary (self->terminal);
self->selected_text = gtk_clipboard_wait_for_text (self->clipboard);
gtk_entry_set_text (GTK_ENTRY (self->search_entry), self->selected_text);
}
gtk_widget_grab_focus (GTK_WIDGET (self->search_entry));
}
else
{
gtk_revealer_set_reveal_child (self->search_revealer, FALSE);
}
}
static void
ide_terminal_search_connect_terminal (IdeTerminalSearch *self)
{
g_signal_connect_object (self,
"notify::regex",
G_CALLBACK (search_overlay_notify_regex_cb),
self->terminal,
G_CONNECT_SWAPPED);
g_signal_connect_object (self,
"notify::wrap-around",
G_CALLBACK (search_overlay_notify_wrap_around_cb),
self->terminal,
G_CONNECT_SWAPPED);
g_signal_connect_object (self,
"search",
G_CALLBACK (search_overlay_search_cb),
self->terminal,
G_CONNECT_SWAPPED);
}
static void
ide_terminal_search_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
IdeTerminalSearch *self = IDE_TERMINAL_SEARCH (object);
switch (prop_id)
{
case PROP_REGEX:
g_value_set_boxed (value, ide_terminal_search_get_regex (self));
break;
case PROP_WRAP_AROUND:
g_value_set_boolean (value, ide_terminal_search_get_wrap_around (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
ide_terminal_search_class_init (IdeTerminalSearchClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->get_property = ide_terminal_search_get_property;
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/libide-terminal/ui/ide-terminal-search.ui");
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, search_prev_button);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, search_next_button);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, close_button);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, search_entry);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, match_case_checkbutton);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, entire_word_checkbutton);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, regex_checkbutton);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, wrap_around_checkbutton);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, reveal_button);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, search_revealer);
gtk_widget_class_bind_template_child (widget_class, IdeTerminalSearch, search_options);
signals[SEARCH] =
g_signal_new ("search",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
1,
G_TYPE_BOOLEAN);
properties[PROP_REGEX] =
g_param_spec_boxed ("regex", NULL, NULL,
VTE_TYPE_REGEX,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
properties[PROP_WRAP_AROUND] =
g_param_spec_boolean ("wrap-around", NULL, NULL,
FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, LAST_PROP, properties);
}
static void
ide_terminal_search_init (IdeTerminalSearch *self)
{
self->regex_caseless = FALSE;
self->regex_pattern = 0;
self->clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
gtk_widget_init_template (GTK_WIDGET (self));
g_signal_connect (self->search_prev_button, "clicked", G_CALLBACK (search_button_clicked_cb), self);
g_signal_connect (self->search_next_button, "clicked", G_CALLBACK (search_button_clicked_cb), self);
g_signal_connect (self->close_button, "clicked", G_CALLBACK (close_clicked_cb), self);
g_signal_connect (self->search_entry, "search-changed", G_CALLBACK (search_text_changed_cb), self);
g_signal_connect (self->match_case_checkbutton, "toggled", G_CALLBACK (search_parameters_changed_cb), self);
g_signal_connect (self->entire_word_checkbutton, "toggled", G_CALLBACK (search_parameters_changed_cb), self);
g_signal_connect (self->regex_checkbutton, "toggled", G_CALLBACK (search_parameters_changed_cb), self);
g_signal_connect (self->reveal_button, "toggled", G_CALLBACK (reveal_options_changed_cb), self);
g_signal_connect (self->wrap_around_checkbutton, "toggled", G_CALLBACK (wrap_around_toggled_cb), self);
g_signal_connect (self->search_revealer, "notify::child-revealed", G_CALLBACK (search_revealer_cb), self);
}
/**
* ide_terminal_search_set_terminal:
* @self: a #IdeTerminalSearch
*
* Since: 3.32
*/
void
ide_terminal_search_set_terminal (IdeTerminalSearch *self,
VteTerminal *terminal)
{
g_assert (IDE_IS_TERMINAL_SEARCH (self));
self->terminal = terminal;
ide_terminal_search_connect_terminal (self);
}
/**
* ide_terminal_search_get_regex:
* @self: a #IdeTerminalSearch
*
* Returns: (transfer none) (nullable): a #VteRegex or %NULL.
*
* Since: 3.32
*/
VteRegex *
ide_terminal_search_get_regex (IdeTerminalSearch *self)
{
g_return_val_if_fail (IDE_IS_TERMINAL_SEARCH (self), NULL);
return self->regex;
}
/**
* ide_terminal_search_get_wrap_around:
* @self: a #IdeTerminalSearch
*
*
* Since: 3.32
*/
gboolean
ide_terminal_search_get_wrap_around (IdeTerminalSearch *self)
{
g_return_val_if_fail (IDE_IS_TERMINAL_SEARCH (self), FALSE);
return gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->wrap_around_checkbutton));
}
/**
* ide_terminal_search_get_revealer:
* @self: a #IdeTerminalSearch
*
* Gets the revealer widget used for the terminal search.
*
* Returns: (transfer none): a #GtkRevealer
*
* Since: 3.32
*/
GtkRevealer *
ide_terminal_search_get_revealer (IdeTerminalSearch *self)
{
g_return_val_if_fail (IDE_IS_TERMINAL_SEARCH (self), FALSE);
return self->search_revealer;
}