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gtksourceview3/tests/test-search.c

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*-
* test-search.c
* This file is part of GtkSourceView
*
* Copyright (C) 2013 - Sébastien Wilmet <swilmet@gnome.org>
*
* GtkSourceView is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* GtkSourceView 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <gtk/gtk.h>
#include <gtksourceview/gtksource.h>
#define TEST_TYPE_SEARCH (test_search_get_type ())
#define TEST_SEARCH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TEST_TYPE_SEARCH, TestSearch))
#define TEST_SEARCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TEST_TYPE_SEARCH, TestSearchClass))
#define TEST_IS_SEARCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TEST_TYPE_SEARCH))
#define TEST_IS_SEARCH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TEST_TYPE_SEARCH))
#define TEST_SEARCH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TEST_TYPE_SEARCH, TestSearchClass))
typedef struct _TestSearch TestSearch;
typedef struct _TestSearchClass TestSearchClass;
typedef struct _TestSearchPrivate TestSearchPrivate;
struct _TestSearch
{
GtkGrid parent;
TestSearchPrivate *priv;
};
struct _TestSearchClass
{
GtkGridClass parent_class;
};
struct _TestSearchPrivate
{
GtkSourceView *source_view;
GtkSourceBuffer *source_buffer;
GtkSourceSearchContext *search_context;
GtkSourceSearchSettings *search_settings;
GtkEntry *replace_entry;
GtkLabel *label_occurrences;
GtkLabel *label_regex_error;
guint idle_update_label_id;
};
GType test_search_get_type (void);
G_DEFINE_TYPE_WITH_PRIVATE (TestSearch, test_search, GTK_TYPE_GRID)
static void
open_file (TestSearch *search,
const gchar *filename)
{
gchar *contents;
GError *error = NULL;
GtkSourceLanguageManager *language_manager;
GtkSourceLanguage *language;
GtkTextIter iter;
/* In a realistic application you would use GtkSourceFile of course. */
if (!g_file_get_contents (filename, &contents, NULL, &error))
{
g_error ("Impossible to load file: %s", error->message);
}
gtk_text_buffer_set_text (GTK_TEXT_BUFFER (search->priv->source_buffer),
contents,
-1);
language_manager = gtk_source_language_manager_get_default ();
language = gtk_source_language_manager_get_language (language_manager, "c");
gtk_source_buffer_set_language (search->priv->source_buffer, language);
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (search->priv->source_buffer),
&iter);
gtk_text_buffer_select_range (GTK_TEXT_BUFFER (search->priv->source_buffer),
&iter,
&iter);
g_free (contents);
}
static void
update_label_occurrences (TestSearch *search)
{
gint occurrences_count;
GtkTextIter select_start;
GtkTextIter select_end;
gint occurrence_pos;
gchar *text;
occurrences_count = gtk_source_search_context_get_occurrences_count (search->priv->search_context);
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (search->priv->source_buffer),
&select_start,
&select_end);
occurrence_pos = gtk_source_search_context_get_occurrence_position (search->priv->search_context,
&select_start,
&select_end);
if (occurrences_count == -1)
{
text = g_strdup ("");
}
else if (occurrence_pos == -1)
{
text = g_strdup_printf ("%u occurrences", occurrences_count);
}
else
{
text = g_strdup_printf ("%d of %u", occurrence_pos, occurrences_count);
}
gtk_label_set_text (search->priv->label_occurrences, text);
g_free (text);
}
static void
update_label_regex_error (TestSearch *search)
{
GError *error;
error = gtk_source_search_context_get_regex_error (search->priv->search_context);
if (error == NULL)
{
gtk_label_set_text (search->priv->label_regex_error, "");
gtk_widget_hide (GTK_WIDGET (search->priv->label_regex_error));
}
else
{
gtk_label_set_text (search->priv->label_regex_error, error->message);
gtk_widget_show (GTK_WIDGET (search->priv->label_regex_error));
g_clear_error (&error);
}
}
static void
search_entry_changed_cb (TestSearch *search,
GtkEntry *entry)
{
const gchar *text = gtk_entry_get_text (entry);
gchar *unescaped_text = gtk_source_utils_unescape_search_text (text);
gtk_source_search_settings_set_search_text (search->priv->search_settings, unescaped_text);
g_free (unescaped_text);
}
static void
select_search_occurrence (TestSearch *search,
const GtkTextIter *match_start,
const GtkTextIter *match_end)
{
GtkTextMark *insert;
gtk_text_buffer_select_range (GTK_TEXT_BUFFER (search->priv->source_buffer),
match_start,
match_end);
insert = gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (search->priv->source_buffer));
gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (search->priv->source_view),
insert);
}
static void
backward_search_finished (GtkSourceSearchContext *search_context,
GAsyncResult *result,
TestSearch *search)
{
GtkTextIter match_start;
GtkTextIter match_end;
if (gtk_source_search_context_backward_finish2 (search_context,
result,
&match_start,
&match_end,
NULL,
NULL))
{
select_search_occurrence (search, &match_start, &match_end);
}
}
static void
button_previous_clicked_cb (TestSearch *search,
GtkButton *button)
{
GtkTextIter start_at;
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (search->priv->source_buffer),
&start_at,
NULL);
gtk_source_search_context_backward_async (search->priv->search_context,
&start_at,
NULL,
(GAsyncReadyCallback)backward_search_finished,
search);
}
static void
forward_search_finished (GtkSourceSearchContext *search_context,
GAsyncResult *result,
TestSearch *search)
{
GtkTextIter match_start;
GtkTextIter match_end;
if (gtk_source_search_context_forward_finish2 (search_context,
result,
&match_start,
&match_end,
NULL,
NULL))
{
select_search_occurrence (search, &match_start, &match_end);
}
}
static void
button_next_clicked_cb (TestSearch *search,
GtkButton *button)
{
GtkTextIter start_at;
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (search->priv->source_buffer),
NULL,
&start_at);
gtk_source_search_context_forward_async (search->priv->search_context,
&start_at,
NULL,
(GAsyncReadyCallback)forward_search_finished,
search);
}
static void
button_replace_clicked_cb (TestSearch *search,
GtkButton *button)
{
GtkTextIter match_start;
GtkTextIter match_end;
GtkTextIter iter;
GtkEntryBuffer *entry_buffer;
gint replace_length;
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (search->priv->source_buffer),
&match_start,
&match_end);
entry_buffer = gtk_entry_get_buffer (search->priv->replace_entry);
replace_length = gtk_entry_buffer_get_bytes (entry_buffer);
gtk_source_search_context_replace2 (search->priv->search_context,
&match_start,
&match_end,
gtk_entry_get_text (search->priv->replace_entry),
replace_length,
NULL);
gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (search->priv->source_buffer),
NULL,
&iter);
gtk_source_search_context_forward_async (search->priv->search_context,
&iter,
NULL,
(GAsyncReadyCallback)forward_search_finished,
search);
}
static void
button_replace_all_clicked_cb (TestSearch *search,
GtkButton *button)
{
GtkEntryBuffer *entry_buffer = gtk_entry_get_buffer (search->priv->replace_entry);
gint replace_length = gtk_entry_buffer_get_bytes (entry_buffer);
gtk_source_search_context_replace_all (search->priv->search_context,
gtk_entry_get_text (search->priv->replace_entry),
replace_length,
NULL);
}
static gboolean
update_label_idle_cb (TestSearch *search)
{
search->priv->idle_update_label_id = 0;
update_label_occurrences (search);
return G_SOURCE_REMOVE;
}
static void
mark_set_cb (GtkTextBuffer *buffer,
GtkTextIter *location,
GtkTextMark *mark,
TestSearch *search)
{
GtkTextMark *insert;
GtkTextMark *selection_bound;
insert = gtk_text_buffer_get_insert (buffer);
selection_bound = gtk_text_buffer_get_selection_bound (buffer);
if ((mark == insert || mark == selection_bound) &&
search->priv->idle_update_label_id == 0)
{
search->priv->idle_update_label_id = g_idle_add ((GSourceFunc)update_label_idle_cb,
search);
}
}
static void
highlight_toggled_cb (TestSearch *search,
GtkToggleButton *button)
{
gtk_source_search_context_set_highlight (search->priv->search_context,
gtk_toggle_button_get_active (button));
}
static void
match_case_toggled_cb (TestSearch *search,
GtkToggleButton *button)
{
gtk_source_search_settings_set_case_sensitive (search->priv->search_settings,
gtk_toggle_button_get_active (button));
}
static void
at_word_boundaries_toggled_cb (TestSearch *search,
GtkToggleButton *button)
{
gtk_source_search_settings_set_at_word_boundaries (search->priv->search_settings,
gtk_toggle_button_get_active (button));
}
static void
wrap_around_toggled_cb (TestSearch *search,
GtkToggleButton *button)
{
gtk_source_search_settings_set_wrap_around (search->priv->search_settings,
gtk_toggle_button_get_active (button));
}
static void
regex_toggled_cb (TestSearch *search,
GtkToggleButton *button)
{
gtk_source_search_settings_set_regex_enabled (search->priv->search_settings,
gtk_toggle_button_get_active (button));
}
static void
test_search_dispose (GObject *object)
{
TestSearch *search = TEST_SEARCH (object);
g_clear_object (&search->priv->source_buffer);
g_clear_object (&search->priv->search_context);
g_clear_object (&search->priv->search_settings);
G_OBJECT_CLASS (test_search_parent_class)->dispose (object);
}
static void
test_search_class_init (TestSearchClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = test_search_dispose;
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gnome/gtksourceview/tests/ui/test-search.ui");
gtk_widget_class_bind_template_child_private (widget_class, TestSearch, source_view);
gtk_widget_class_bind_template_child_private (widget_class, TestSearch, replace_entry);
gtk_widget_class_bind_template_child_private (widget_class, TestSearch, label_occurrences);
gtk_widget_class_bind_template_child_private (widget_class, TestSearch, label_regex_error);
gtk_widget_class_bind_template_callback (widget_class, search_entry_changed_cb);
gtk_widget_class_bind_template_callback (widget_class, button_previous_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, button_next_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, button_replace_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, button_replace_all_clicked_cb);
/* It is also possible to bind the properties with
* g_object_bind_property(), between the check buttons and the source
* buffer. But GtkBuilder and Glade don't support that yet.
*/
gtk_widget_class_bind_template_callback (widget_class, highlight_toggled_cb);
gtk_widget_class_bind_template_callback (widget_class, match_case_toggled_cb);
gtk_widget_class_bind_template_callback (widget_class, at_word_boundaries_toggled_cb);
gtk_widget_class_bind_template_callback (widget_class, wrap_around_toggled_cb);
gtk_widget_class_bind_template_callback (widget_class, regex_toggled_cb);
}
static void
test_search_init (TestSearch *search)
{
search->priv = test_search_get_instance_private (search);
gtk_widget_init_template (GTK_WIDGET (search));
search->priv->source_buffer = GTK_SOURCE_BUFFER (
gtk_text_view_get_buffer (GTK_TEXT_VIEW (search->priv->source_view)));
g_object_ref (search->priv->source_buffer);
open_file (search, TOP_SRCDIR "/gtksourceview/gtksourcesearchcontext.c");
search->priv->search_settings = gtk_source_search_settings_new ();
search->priv->search_context = gtk_source_search_context_new (search->priv->source_buffer,
search->priv->search_settings);
g_signal_connect_swapped (search->priv->search_context,
"notify::occurrences-count",
G_CALLBACK (update_label_occurrences),
search);
g_signal_connect (search->priv->source_buffer,
"mark-set",
G_CALLBACK (mark_set_cb),
search);
g_signal_connect_swapped (search->priv->search_context,
"notify::regex-error",
G_CALLBACK (update_label_regex_error),
search);
update_label_regex_error (search);
}
static TestSearch *
test_search_new (void)
{
return g_object_new (test_search_get_type (), NULL);
}
gint
main (gint argc, gchar *argv[])
{
GtkWidget *window;
TestSearch *search;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 700, 500);
g_signal_connect (window,
"destroy",
G_CALLBACK (gtk_main_quit),
NULL);
search = test_search_new ();
gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (search));
gtk_widget_show (window);
gtk_main ();
return 0;
}
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