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

1 files changed, 346 insertions, 0 deletions

diff --git a/libslab/mate-utils.c b/libslab/mate-utils.c
new file mode 100644
index 00000000..11bcfdce
--- /dev/null
+++ b/libslab/mate-utils.c
@@ -0,0 +1,346 @@
+#include "mate-utils.h"
+
+#include <string.h>
+
+static void section_header_style_set (GtkWidget *, GtkStyle *, gpointer);
+
+gboolean
+load_image_by_id (GtkImage * image, GtkIconSize size, const gchar * image_id)
+{
+	GdkPixbuf *pixbuf;
+	gint width;
+	gint height;
+
+	GtkIconTheme *icon_theme;
+
+	gchar *id;
+
+	gboolean icon_exists;
+
+	if (!image_id)
+		return FALSE;
+
+	id = g_strdup (image_id);
+
+	gtk_icon_size_lookup (size, &width, &height);
+
+	if (g_path_is_absolute (id))
+	{
+		pixbuf = gdk_pixbuf_new_from_file_at_size (id, width, height, NULL);
+
+		icon_exists = (pixbuf != NULL);
+
+		if (icon_exists)
+		{
+			gtk_image_set_from_pixbuf (image, pixbuf);
+
+			g_object_unref (pixbuf);
+		}
+		else
+			gtk_image_set_from_stock (image, "gtk-missing-image", size);
+	}
+	else
+	{
+		if (		/* file extensions are not copesetic with loading by "name" */
+			g_str_has_suffix (id, ".png") ||
+			g_str_has_suffix (id, ".svg") ||
+			g_str_has_suffix (id, ".xpm")
+		   )
+
+			id[strlen (id) - 4] = '\0';
+
+		if (gtk_widget_has_screen (GTK_WIDGET (image)))
+			icon_theme =
+				gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET
+					(image)));
+		else
+			icon_theme = gtk_icon_theme_get_default ();
+
+		icon_exists = gtk_icon_theme_has_icon (icon_theme, id);
+
+		if (icon_exists)
+			gtk_image_set_from_icon_name (image, id, size);
+		else
+			gtk_image_set_from_stock (image, "gtk-missing-image", size);
+
+	}
+
+	g_free (id);
+
+	return icon_exists;
+}
+
+MateDesktopItem *
+load_desktop_item_by_unknown_id (const gchar * id)
+{
+	MateDesktopItem *item;
+	GError *error = NULL;
+
+	item = mate_desktop_item_new_from_uri (id, 0, &error);
+
+	if (!error)
+		return item;
+	else
+	{
+		g_error_free (error);
+		error = NULL;
+	}
+
+	item = mate_desktop_item_new_from_file (id, 0, &error);
+
+	if (!error)
+		return item;
+	else
+	{
+		g_error_free (error);
+		error = NULL;
+	}
+
+	item = mate_desktop_item_new_from_basename (id, 0, &error);
+
+	if (!error)
+		return item;
+	else
+	{
+		g_error_free (error);
+		error = NULL;
+	}
+
+	return NULL;
+}
+
+gpointer
+get_mateconf_value (const gchar * key)
+{
+	MateConfClient *client;
+	MateConfValue *value;
+	GError *error = NULL;
+
+	gpointer retval = NULL;
+
+	GList *list;
+	GSList *slist;
+
+	MateConfValue *value_i;
+	GSList *node;
+
+	client = mateconf_client_get_default ();
+	value = mateconf_client_get (client, key, &error);
+
+	if (error || ! value)
+	{
+		handle_g_error (&error, "%s: error getting %s", G_STRFUNC, key);
+
+		goto exit;
+	}
+
+	switch (value->type)
+	{
+	case MATECONF_VALUE_STRING:
+		retval = (gpointer) g_strdup (mateconf_value_get_string (value));
+		break;
+
+	case MATECONF_VALUE_INT:
+		retval = GINT_TO_POINTER (mateconf_value_get_int (value));
+		break;
+
+	case MATECONF_VALUE_BOOL:
+		retval = GINT_TO_POINTER (mateconf_value_get_bool (value));
+		break;
+
+	case MATECONF_VALUE_LIST:
+		list = NULL;
+		slist = mateconf_value_get_list (value);
+
+		for (node = slist; node; node = node->next)
+		{
+			value_i = (MateConfValue *) node->data;
+
+			if (value_i->type == MATECONF_VALUE_STRING)
+				list = g_list_append (list,
+					g_strdup (mateconf_value_get_string (value_i)));
+			else if (value_i->type == MATECONF_VALUE_INT)
+				list = g_list_append (list,
+					GINT_TO_POINTER (mateconf_value_get_int (value_i)));
+			else
+				g_assert_not_reached ();
+		}
+
+		retval = (gpointer) list;
+
+		break;
+
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+
+	exit:
+
+	g_object_unref (client);
+	if(value)
+		mateconf_value_free (value);
+
+	return retval;
+}
+
+void
+set_mateconf_value (const gchar * key, gconstpointer data)
+{
+	MateConfClient *client;
+	MateConfValue *value;
+
+	MateConfValueType type;
+	MateConfValueType list_type;
+
+	GSList *slist = NULL;
+
+	GError *error = NULL;
+
+	MateConfValue *value_i;
+	GList *node;
+
+	client = mateconf_client_get_default ();
+	value = mateconf_client_get (client, key, &error);
+
+	if (error)
+	{
+		handle_g_error (&error, "%s: error getting %s", G_STRFUNC, key);
+
+		goto exit;
+	}
+
+	type = value->type;
+	list_type =
+		(type ==
+		MATECONF_VALUE_LIST ? mateconf_value_get_list_type (value) : MATECONF_VALUE_INVALID);
+
+	mateconf_value_free (value);
+	value = mateconf_value_new (type);
+
+	if (type == MATECONF_VALUE_LIST)
+		mateconf_value_set_list_type (value, list_type);
+
+	switch (type)
+	{
+	case MATECONF_VALUE_STRING:
+		mateconf_value_set_string (value, g_strdup ((gchar *) data));
+		break;
+
+	case MATECONF_VALUE_INT:
+		mateconf_value_set_int (value, GPOINTER_TO_INT (data));
+		break;
+
+	case MATECONF_VALUE_BOOL:
+		mateconf_value_set_bool (value, GPOINTER_TO_INT (data));
+		break;
+
+	case MATECONF_VALUE_LIST:
+		for (node = (GList *) data; node; node = node->next)
+		{
+			value_i = mateconf_value_new (list_type);
+
+			if (list_type == MATECONF_VALUE_STRING)
+				mateconf_value_set_string (value_i, (const gchar *) node->data);
+			else if (list_type == MATECONF_VALUE_INT)
+				mateconf_value_set_int (value_i, GPOINTER_TO_INT (node->data));
+			else
+				g_assert_not_reached ();
+
+			slist = g_slist_append (slist, value_i);
+		}
+
+		mateconf_value_set_list_nocopy (value, slist);
+
+		break;
+
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+
+	mateconf_client_set (client, key, value, &error);
+
+	if (error)
+		handle_g_error (&error, "%s: error setting %s", G_STRFUNC, key);
+
+      exit:
+
+	mateconf_value_free (value);
+	g_object_unref (client);
+}
+
+guint
+connect_mateconf_notify (const gchar * key, MateConfClientNotifyFunc cb, gpointer user_data)
+{
+	MateConfClient *client;
+	guint conn_id;
+
+	GError *error = NULL;
+
+	client = mateconf_client_get_default ();
+	conn_id = mateconf_client_notify_add (client, key, cb, user_data, NULL, &error);
+
+	if (error)
+		handle_g_error (&error, "%s: error adding notify for (%s)", G_STRFUNC, key);
+
+	g_object_unref (client);
+
+	return conn_id;
+}
+
+void
+handle_g_error (GError ** error, const gchar * msg_format, ...)
+{
+	gchar *msg;
+	va_list args;
+
+	va_start (args, msg_format);
+	msg = g_strdup_vprintf (msg_format, args);
+	va_end (args);
+
+	if (*error)
+	{
+		g_log (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
+			"\nGError raised: [%s]\nuser_message: [%s]\n", (*error)->message, msg);
+
+		g_error_free (*error);
+
+		*error = NULL;
+	}
+	else
+		g_log (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, "\nerror raised: [%s]\n", msg);
+
+	g_free (msg);
+}
+
+GtkWidget *
+get_main_menu_section_header (const gchar * markup)
+{
+	GtkWidget *label;
+	gchar *text;
+
+	text = g_strdup_printf ("<span size=\"large\">%s</span>", markup);
+
+	label = gtk_label_new (text);
+	gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
+	gtk_widget_set_name (label, "mate-main-menu-section-header");
+
+	g_signal_connect (G_OBJECT (label), "style-set", G_CALLBACK (section_header_style_set),
+		NULL);
+
+	g_free (text);
+
+	return label;
+}
+
+static void
+section_header_style_set (GtkWidget * widget, GtkStyle * prev_style, gpointer user_data)
+{
+	if (prev_style
+		&& widget->style->fg[GTK_STATE_SELECTED].green ==
+		prev_style->fg[GTK_STATE_SELECTED].green)
+		return;
+
+	gtk_widget_modify_fg (widget, GTK_STATE_NORMAL, &widget->style->bg[GTK_STATE_SELECTED]);
+}