moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 361 insertions, 0 deletions

diff --git a/libslab/search-bar.c b/libslab/search-bar.c
new file mode 100644
index 00000000..8e3f465b
--- /dev/null
+++ b/libslab/search-bar.c
@@ -0,0 +1,361 @@
+/*
+ * This file is part of libslab.
+ *
+ * Copyright (c) 2006 Novell, Inc.
+ *
+ * Libslab 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 of the License, or (at your option)
+ * any later version.
+ *
+ * Libslab 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 libslab; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "search-bar.h"
+#include "config.h"
+
+#include "search-entry.h"
+#include "search-context-picker.h"
+#include "nld-marshal.h"
+
+#include <glib/gi18n-lib.h>
+
+typedef struct
+{
+	GtkWidget *hbox;
+	NldSearchContextPicker *context_picker;
+	GtkEntry *entry;
+	GtkWidget *button;
+
+	int search_timeout;
+	guint timeout_id;
+
+	gboolean block_signal;
+} NldSearchBarPrivate;
+
+#define NLD_SEARCH_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NLD_TYPE_SEARCH_BAR, NldSearchBarPrivate))
+
+static void nld_search_bar_class_init (NldSearchBarClass *);
+static void nld_search_bar_init (NldSearchBar *);
+static void nld_search_bar_finalize (GObject *);
+
+static gboolean nld_search_bar_focus (GtkWidget *, GtkDirectionType);
+static void nld_search_bar_grab_focus (GtkWidget *);
+
+enum
+{
+	SEARCH,
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_TYPE (NldSearchBar, nld_search_bar, GTK_TYPE_VBOX)
+
+static void emit_search (NldSearchBar * search_bar);
+static void emit_search_callback (GtkWidget * widget, gpointer search_bar);
+
+static void nld_search_bar_class_init (NldSearchBarClass * nld_search_bar_class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (nld_search_bar_class);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (nld_search_bar_class);
+
+	object_class->finalize = nld_search_bar_finalize;
+	widget_class->focus = nld_search_bar_focus;
+	widget_class->grab_focus = nld_search_bar_grab_focus;
+
+	g_type_class_add_private (nld_search_bar_class, sizeof (NldSearchBarPrivate));
+
+	signals[SEARCH] =
+		g_signal_new ("search", G_TYPE_FROM_CLASS (nld_search_bar_class),
+		G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (NldSearchBarClass, search),
+		NULL, NULL, nld_marshal_VOID__INT_STRING, G_TYPE_NONE, 2, G_TYPE_INT,
+		G_TYPE_STRING);
+}
+
+static void
+nld_search_bar_init (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+	GtkWidget *alignment;
+	GtkWidget *entry;
+
+	GTK_WIDGET_SET_FLAGS (search_bar, GTK_CAN_FOCUS);
+
+	priv->hbox = gtk_hbox_new (FALSE, 3);
+	gtk_box_pack_start (GTK_BOX (search_bar), priv->hbox, TRUE, FALSE, 0);
+
+	alignment = gtk_alignment_new (0.0, 0.5, 1.0, 0.0);
+	gtk_box_pack_start (GTK_BOX (priv->hbox), alignment, TRUE, TRUE, 0);
+
+	entry = nld_search_entry_new ();
+	priv->entry = GTK_ENTRY (entry);
+	gtk_widget_show (entry);
+	gtk_container_add (GTK_CONTAINER (alignment), entry);
+
+	g_signal_connect (entry, "activate", G_CALLBACK (emit_search_callback), search_bar);
+
+	priv->search_timeout = -1;
+}
+
+static void
+nld_search_bar_finalize (GObject * object)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (object);
+
+	if (priv->timeout_id)
+		g_source_remove (priv->timeout_id);
+
+	G_OBJECT_CLASS (nld_search_bar_parent_class)->finalize (object);
+}
+
+static gboolean
+nld_search_bar_focus (GtkWidget * widget, GtkDirectionType dir)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (widget);
+
+	return gtk_widget_child_focus (priv->hbox, dir);
+}
+
+gboolean
+nld_search_bar_has_focus (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	return GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (priv->entry));
+}
+
+static void
+nld_search_bar_grab_focus (GtkWidget * widget)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (widget);
+
+	gtk_widget_grab_focus (GTK_WIDGET (priv->entry));
+}
+
+GtkWidget *
+nld_search_bar_new (void)
+{
+	return g_object_new (NLD_TYPE_SEARCH_BAR, NULL);
+}
+
+void
+nld_search_bar_clear (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	priv->block_signal = TRUE;
+	gtk_entry_set_text (priv->entry, "");
+	if (priv->context_picker)
+		nld_search_context_picker_set_context (priv->context_picker, 0);
+	priv->block_signal = FALSE;
+}
+
+static void
+emit_search (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (priv->block_signal)
+		return;
+
+	if (priv->timeout_id)
+	{
+		g_source_remove (priv->timeout_id);
+		priv->timeout_id = 0;
+	}
+
+	g_signal_emit (search_bar, signals[SEARCH], 0, nld_search_bar_get_context_id (search_bar),
+		nld_search_bar_get_text (search_bar));
+}
+
+static void
+emit_search_callback (GtkWidget * widget, gpointer search_bar)
+{
+	emit_search (search_bar);
+}
+
+gboolean
+nld_search_bar_get_show_contexts (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	return priv->context_picker && GTK_WIDGET_VISIBLE (priv->context_picker);
+}
+
+static NldSearchContextPicker *
+build_context_picker (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+	GtkWidget *picker;
+
+	picker = nld_search_context_picker_new ();
+	g_signal_connect (picker, "context_changed", G_CALLBACK (emit_search_callback), search_bar);
+
+	gtk_box_pack_start (GTK_BOX (priv->hbox), picker, 0, 0, FALSE);
+	gtk_box_reorder_child (GTK_BOX (priv->hbox), picker, 0);
+
+	return NLD_SEARCH_CONTEXT_PICKER (picker);
+}
+
+void
+nld_search_bar_set_show_contexts (NldSearchBar * search_bar, gboolean show_contexts)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (show_contexts)
+	{
+		if (!priv->context_picker)
+			priv->context_picker = build_context_picker (search_bar);
+		gtk_widget_show (GTK_WIDGET (priv->context_picker));
+	}
+	else if (priv->context_picker)
+		gtk_widget_hide (GTK_WIDGET (priv->context_picker));
+}
+
+void
+nld_search_bar_add_context (NldSearchBar * search_bar, const char *label, const char *icon_name,
+	int context_id)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (!priv->context_picker)
+		priv->context_picker = build_context_picker (search_bar);
+
+	nld_search_context_picker_add_context (priv->context_picker, label, icon_name, context_id);
+}
+
+gboolean
+nld_search_bar_get_show_button (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	return priv->button != NULL;
+}
+
+void
+nld_search_bar_set_show_button (NldSearchBar * search_bar, gboolean show_button)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (show_button)
+	{
+		GtkWidget *image;
+
+		if (priv->button)
+			return;
+
+		priv->button = gtk_button_new_with_label (_("Find Now"));
+		image = gtk_image_new_from_icon_name ("system-search", GTK_ICON_SIZE_MENU);
+		gtk_button_set_image (GTK_BUTTON (priv->button), image);
+		gtk_widget_show (priv->button);
+
+		g_signal_connect (priv->button, "clicked", G_CALLBACK (emit_search_callback),
+			search_bar);
+
+		gtk_box_pack_end (GTK_BOX (priv->hbox), priv->button, FALSE, FALSE, 0);
+	}
+	else
+	{
+		if (!priv->button)
+			return;
+
+		gtk_widget_destroy (priv->button);
+		priv->button = NULL;
+	}
+}
+
+static gboolean
+search_timeout (gpointer search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	priv->timeout_id = 0;
+	emit_search (search_bar);
+	return FALSE;
+}
+
+static void
+entry_changed (GtkWidget * entry, gpointer search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (priv->search_timeout == 0)
+		emit_search (search_bar);
+	else if (priv->search_timeout > 0)
+	{
+		if (priv->timeout_id != 0)
+			g_source_remove (priv->timeout_id);
+		priv->timeout_id =
+			g_timeout_add (priv->search_timeout * 1000, search_timeout, search_bar);
+	}
+}
+
+int
+nld_search_bar_get_search_timeout (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	return priv->search_timeout;
+}
+
+void
+nld_search_bar_set_search_timeout (NldSearchBar * search_bar, int search_timeout)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (priv->search_timeout != -1 && search_timeout == -1)
+		g_signal_handlers_disconnect_by_func (priv->entry, entry_changed, search_bar);
+	else if (search_timeout != -1)
+	{
+		g_signal_connect (priv->entry, "changed", G_CALLBACK (entry_changed), search_bar);
+	}
+
+	priv->search_timeout = search_timeout;
+}
+
+const char *
+nld_search_bar_get_text (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	return gtk_entry_get_text (priv->entry);
+}
+
+void
+nld_search_bar_set_text (NldSearchBar * search_bar, const char *text, gboolean activate)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	gtk_entry_set_text (priv->entry, text);
+	if (activate)
+		emit_search (search_bar);
+}
+
+int
+nld_search_bar_get_context_id (NldSearchBar * search_bar)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	if (priv->context_picker && GTK_WIDGET_VISIBLE (priv->context_picker))
+		return nld_search_context_picker_get_context (priv->context_picker);
+	else
+		return -1;
+}
+
+void
+nld_search_bar_set_context_id (NldSearchBar * search_bar, int context_id)
+{
+	NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar);
+
+	g_return_if_fail (priv->context_picker != NULL);
+
+	nld_search_context_picker_set_context (priv->context_picker, context_id);
+}