1 files changed, 325 insertions, 0 deletions
diff --git a/src/toolbars/find-toolbar.c b/src/toolbars/find-toolbar.c
new file mode 100644
index 0000000..0b16ea1
--- /dev/null
+++ b/src/toolbars/find-toolbar.c
@@ -0,0 +1,325 @@
+/*
+ * Revealable find toolbar
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee 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.
+ *
+ * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "find-toolbar.h"
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <webkit2/webkit2.h>
+
+#include "../web-view.h"
+
+struct _MqFindToolbar {
+	GtkRevealer           parent_instance;
+	GtkWidget            *search_entry;
+	GtkWidget            *matches_label;
+	gboolean              match_case;
+	gboolean              searching;
+	WebKitFindController *find_controller;
+};
+
+enum {
+	PROP_WEB_VIEW = 1,
+	N_PROPERTIES
+};
+
+static GParamSpec *obj_properties[N_PROPERTIES] = {NULL,};
+
+struct _MqFindToolbarClass {
+	GtkRevealerClass parent_class;
+};
+
+G_DEFINE_TYPE(MqFindToolbar, mq_find_toolbar, GTK_TYPE_REVEALER)
+
+static void
+search(MqFindToolbar *find_toolbar, gboolean forward)
+{
+	guint32 find_options;
+
+	find_options = WEBKIT_FIND_OPTIONS_WRAP_AROUND;
+	if (!find_toolbar->match_case) {
+		find_options |= WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE;
+	}
+	if (!forward) {
+		find_options |= WEBKIT_FIND_OPTIONS_BACKWARDS;
+	}
+	webkit_find_controller_search(find_toolbar->find_controller,
+		gtk_entry_get_text(GTK_ENTRY(find_toolbar->search_entry)),
+		find_options, G_MAXUINT);
+	find_toolbar->searching = TRUE;
+}
+
+static void
+search_finished(MqFindToolbar *find_toolbar)
+{
+	find_toolbar->searching = FALSE;
+	webkit_find_controller_search_finish(find_toolbar->find_controller);
+}
+
+static void
+hide(MqFindToolbar *find_toolbar)
+{
+	gtk_revealer_set_reveal_child(GTK_REVEALER(find_toolbar),
+		FALSE);
+	gtk_label_set_text(GTK_LABEL(find_toolbar->matches_label), NULL);
+	search_finished(find_toolbar);
+}
+
+static void
+search_changed_cb(GtkSearchEntry G_GNUC_UNUSED *entry,
+	MqFindToolbar *find_toolbar)
+{
+	search(find_toolbar, TRUE);
+}
+
+static gboolean
+search_key_press_event_cb(GtkSearchEntry G_GNUC_UNUSED *entry,
+	GdkEventKey *event, MqFindToolbar *find_toolbar)
+{
+	switch (event->keyval) {
+		case GDK_KEY_Escape:
+			hide(find_toolbar);
+			return TRUE;
+		case GDK_KEY_Return:
+		case GDK_KEY_KP_Enter:
+		case GDK_KEY_ISO_Enter:
+			search(find_toolbar,
+				!(event->state & GDK_SHIFT_MASK));
+			return TRUE;
+		default:
+			return FALSE;
+	}
+}
+
+static void
+prev_clicked_cb(GtkButton G_GNUC_UNUSED *button, MqFindToolbar *find_toolbar)
+{
+	/* Calling this method before webkit_find_controller_search() or
+	 * webkit_find_controller_count_matches() is a programming error. */
+	if (find_toolbar->searching) {
+		webkit_find_controller_search_previous(
+			find_toolbar->find_controller);
+	} else {
+		search(find_toolbar, FALSE);
+	}
+}
+
+static void
+next_clicked_cb(GtkButton G_GNUC_UNUSED *button, MqFindToolbar *find_toolbar)
+{
+	/* Calling this method before webkit_find_controller_search() or
+	 * webkit_find_controller_count_matches() is a programming error. */
+	if (find_toolbar->searching) {
+		webkit_find_controller_search_next(
+			find_toolbar->find_controller);
+	} else {
+		search(find_toolbar, TRUE);
+	}
+}
+
+static void
+match_case_toggled_cb(GtkToggleButton *toggle_button,
+	MqFindToolbar *find_toolbar)
+{
+	find_toolbar->match_case = gtk_toggle_button_get_active(toggle_button);
+	search(find_toolbar, TRUE);
+}
+
+static void
+close_clicked_cb(GtkButton G_GNUC_UNUSED *button, MqFindToolbar *find_toolbar)
+{
+	hide(find_toolbar);
+}
+
+static void
+found_text_cb(WebKitFindController G_GNUC_UNUSED *find_controller,
+	guint match_count, MqFindToolbar *find_toolbar)
+{
+	gchar *text;
+
+	if (match_count == 1) {
+		text = g_strdup("1 match");
+	} else {
+		text = g_strdup_printf("%u matches", match_count);
+	}
+	gtk_label_set_text(GTK_LABEL(find_toolbar->matches_label), text);
+	g_free(text);
+
+}
+
+static void
+failed_to_find_text_cb(WebKitFindController G_GNUC_UNUSED *find_controller,
+	MqFindToolbar *find_toolbar)
+{
+	gtk_label_set_text(GTK_LABEL(find_toolbar->matches_label),
+		"No matches");
+}
+
+static void
+set_web_view(MqFindToolbar *find_toolbar, MqWebView *web_view)
+{
+	find_toolbar->find_controller = webkit_web_view_get_find_controller(
+		WEBKIT_WEB_VIEW(web_view));
+	g_signal_connect(find_toolbar->find_controller, "found-text",
+		G_CALLBACK(found_text_cb), find_toolbar);
+	g_signal_connect(find_toolbar->find_controller, "failed-to-find-text",
+		G_CALLBACK(failed_to_find_text_cb), find_toolbar);
+}
+
+static void
+get_property(GObject *object, guint property_id, GValue *value,
+	GParamSpec *param_spec)
+{
+	switch (property_id) {
+		case PROP_WEB_VIEW:
+			g_value_set_object(value, NULL);
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
+				param_spec);
+			break;
+	}
+}
+
+static void
+set_property(GObject *object, guint property_id, const GValue *value,
+	GParamSpec *param_spec)
+{
+	MqFindToolbar *find_toolbar;
+
+	find_toolbar = MQ_FIND_TOOLBAR(object);
+
+	switch (property_id) {
+		case PROP_WEB_VIEW:
+			set_web_view(find_toolbar, g_value_get_object(value));
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
+				param_spec);
+			break;
+	}
+}
+
+static void
+mq_find_toolbar_class_init(MqFindToolbarClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS(klass);
+
+	object_class->get_property = get_property;
+	object_class->set_property = set_property;
+
+	obj_properties[PROP_WEB_VIEW] = g_param_spec_object(
+		"web-view",
+		"MqWebView",
+		"The associated MqWebView instance",
+		MQ_TYPE_WEB_VIEW,
+		G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
+		G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB);
+	g_object_class_install_properties(object_class, N_PROPERTIES,
+		obj_properties);
+}
+
+static void
+mq_find_toolbar_init(MqFindToolbar *find_toolbar)
+{
+	GtkWidget *close_button;
+	GtkWidget *prev_button;
+	GtkWidget *next_button;
+	GtkWidget *match_case_button;
+	GtkWidget *box;
+
+	/* Search entry */
+	find_toolbar->search_entry = gtk_search_entry_new();
+	g_signal_connect(find_toolbar->search_entry, "search-changed",
+		G_CALLBACK(search_changed_cb), find_toolbar);
+	g_signal_connect(find_toolbar->search_entry, "key-press-event",
+		G_CALLBACK(search_key_press_event_cb), find_toolbar);
+
+	/* Previous button */
+	prev_button = gtk_button_new_from_icon_name("go-up",
+		GTK_ICON_SIZE_BUTTON);
+	gtk_widget_set_tooltip_text(prev_button, "Find previous occurrence");
+	gtk_widget_set_can_focus(prev_button, FALSE);
+	g_signal_connect(prev_button, "clicked",
+		G_CALLBACK(prev_clicked_cb), find_toolbar);
+
+	/* Next button */
+	next_button = gtk_button_new_from_icon_name("go-down",
+		GTK_ICON_SIZE_BUTTON);
+	gtk_widget_set_tooltip_text(next_button, "Find next occurrence");
+	gtk_widget_set_can_focus(next_button, FALSE);
+	g_signal_connect(next_button, "clicked",
+		G_CALLBACK(next_clicked_cb), find_toolbar);
+
+	/* Case sensitivity button */
+	match_case_button = gtk_toggle_button_new_with_label("Match case");
+	gtk_widget_set_tooltip_text(match_case_button,
+		"Search with case sensitivity");
+	gtk_widget_set_can_focus(match_case_button, FALSE);
+	g_signal_connect(match_case_button, "toggled",
+		G_CALLBACK(match_case_toggled_cb), find_toolbar);
+
+	/* Matches label */
+	find_toolbar->matches_label = gtk_label_new(NULL);
+
+	/* Close button */
+	close_button = gtk_button_new_from_icon_name("window-close",
+		GTK_ICON_SIZE_BUTTON);
+	gtk_button_set_relief(GTK_BUTTON(close_button), GTK_RELIEF_NONE);
+	gtk_widget_set_tooltip_text(close_button, "Close find bar");
+	gtk_widget_set_can_focus(close_button, FALSE);
+	g_signal_connect(close_button, "clicked",
+		G_CALLBACK(close_clicked_cb), find_toolbar);
+
+	/* Box */
+	box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+	gtk_box_pack_start(GTK_BOX(box), find_toolbar->search_entry,
+		FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(box), prev_button, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(box), next_button, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(box), match_case_button, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(box), find_toolbar->matches_label,
+		FALSE, FALSE, 0);
+	gtk_box_pack_end(GTK_BOX(box), close_button, FALSE, FALSE, 0);
+
+	/* Revealer */
+	gtk_revealer_set_transition_type(GTK_REVEALER(find_toolbar),
+		GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN);
+	gtk_container_add(GTK_CONTAINER(find_toolbar), box);
+
+	find_toolbar->match_case = FALSE;
+	find_toolbar->searching = FALSE;
+}
+
+GtkWidget *
+mq_find_toolbar_new(MqWebView *web_view)
+{
+	return g_object_new(MQ_TYPE_FIND_TOOLBAR,
+		"web-view", web_view,
+		NULL);
+}
+
+void
+mq_find_toolbar_reveal(MqFindToolbar *find_toolbar)
+{
+	gtk_revealer_set_reveal_child(GTK_REVEALER(find_toolbar), TRUE);
+	gtk_widget_grab_focus(find_toolbar->search_entry);
+}