Add a "widget" tool as well

This tool simply uses the new DesktopWidget API to load widgets horizontally
in a window.

project.conf

@@ -2,5 +2,5 @@ package=libDesktop
 version=0.1.0
 config=h,sh
 
-subdirs=data,doc,include,src,tests
+subdirs=data,doc,include,src,tests,tools
 dist=Makefile,COPYING,config.h,config.sh

tools/project.conf

@@ -0,0 +1,13 @@
+targets=widget
+cppflags_force=-I ../include
+cflags_force=-W `pkg-config --cflags libSystem gtk+-2.0`
+cflags=-Wall -g -O2
+ldflags_force=`pkg-config --libs libSystem gtk+-2.0`
+ldflags=../src/libDesktop.a
+
+[widget]
+type=binary
+sources=widget.c
+
+[widget.c]
+depends=../src/libDesktop.a

tools/widget.c

@@ -0,0 +1,111 @@
+/* $Id$ */
+/* Copyright (c) 2015 Pierre Pronchery <khorben@defora.org> */
+/* This file is part of DeforaOS Desktop libDesktop */
+/* 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, version 3 of the License.
+ *
+ * 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/>. */
+
+
+
+#include <stdio.h>
+#include <System.h>
+#include <gtk/gtk.h>
+#include "Desktop.h"
+
+#define PROGNAME	"widget"
+
+
+/* Widget */
+/* private */
+/* prototypes */
+static int _widget(int namec, char ** namev);
+
+static int _error(char const * message, int ret);
+static int _usage(void);
+
+
+/* functions */
+/* widget */
+static gboolean _widget_on_closex(gpointer data);
+
+static int _widget(int namec, char ** namev)
+{
+	int ret = 0;
+	DesktopWidget * widget;
+	GtkWidget * window;
+	GtkWidget * box;
+	GtkWidget * test;
+	int i;
+
+	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	g_signal_connect(window, "delete-event", G_CALLBACK(_widget_on_closex),
+			NULL);
+#if GTK_CHECK_VERSION(3, 0, 0)
+	box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
+#else
+	box = gtk_hbox_new(FALSE, 4);
+#endif
+	for(i = 0; i < namec; i++)
+	{
+		if((widget = desktop_widget_new(namev[i])) == NULL)
+		{
+			ret |= _error(namev[i], 1);
+			continue;
+		}
+		test = desktop_widget_get_widget(widget);
+		gtk_box_pack_start(GTK_BOX(box), test, FALSE, TRUE, 0);
+	}
+	gtk_container_add(GTK_CONTAINER(window), box);
+	gtk_widget_show_all(window);
+	gtk_main();
+	return ret;
+}
+
+static gboolean _widget_on_closex(gpointer data)
+{
+	gtk_main_quit();
+}
+
+
+/* error */
+static int _error(char const * message, int ret)
+{
+	fprintf(stderr, PROGNAME ": %s%s%s\n", (message != NULL) ? message : "",
+			(message != NULL) ? ": " : "", error_get());
+	return ret;
+}
+
+
+/* usage */
+static int _usage(void)
+{
+	fputs("Usage: " PROGNAME " widget...\n", stderr);
+	return 1;
+}
+
+
+/* main */
+int main(int argc, char * argv[])
+{
+	int ret = 0;
+	int o;
+
+	gtk_init(&argc, &argv);
+	while((o = getopt(argc, argv, "")) != -1)
+		switch(o)
+		{
+			default:
+				return _usage();
+		}
+	if(optind == argc)
+		return _usage();
+	return (_widget(argc - optind, &argv[optind]) == 0) ? 0 : 2;
+}