[darcs-to-svn @ Save/restore window geometry]

svn path=/trunk/; revision=6

1 files changed, 186 insertions, 0 deletions

diff --git a/libempathy-gtk/gossip-geometry.c b/libempathy-gtk/gossip-geometry.c
new file mode 100644
index 000000000..ad0bd8dd1
--- /dev/null
+++ b/libempathy-gtk/gossip-geometry.c
@@ -0,0 +1,186 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2006-2007 Imendio AB
+ * Copyright (C) 2007 Collabora Ltd.
+ *
+ * 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; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Martyn Russell <martyn@imendio.com>
+ *          Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <gdk/gdk.h>
+
+#include <libempathy/gossip-debug.h>
+
+#include "gossip-geometry.h"
+
+#define DEBUG_DOMAIN "Geometry"
+
+#define GEOMETRY_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
+#define GEOMETRY_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
+
+#define GEOMETRY_KEY_FILENAME     "geometry.ini"
+#define GEOMETRY_FORMAT           "%d,%d,%d,%d"
+#define GEOMETRY_GROUP_NAME       "geometry"
+
+static gchar *geometry_get_filename (void);
+
+static gchar *
+geometry_get_filename (void)
+{
+	gchar *dir;
+	gchar *filename;
+
+	dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
+	if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
+		gossip_debug (DEBUG_DOMAIN, "Creating directory:'%s'", dir);
+		g_mkdir_with_parents (dir, GEOMETRY_DIR_CREATE_MODE);
+	}
+
+	filename = g_build_filename (dir, GEOMETRY_KEY_FILENAME, NULL);
+	g_free (dir);
+
+	return filename;
+}
+
+void
+gossip_geometry_save (const gchar *name,
+		      gint         x,
+		      gint         y,
+		      gint         w,
+		      gint         h)
+{
+	GError      *error = NULL;
+	GKeyFile    *key_file;
+	gchar       *filename;
+	GdkScreen   *screen;
+	gint         max_width;
+	gint         max_height;
+	gchar       *content;
+	gsize        length;
+	gchar       *str;
+
+	gossip_debug (DEBUG_DOMAIN, "Saving window geometry: x:%d, y:%d, w:%d, h:%d\n",
+		      x, y, w, h);
+
+	screen = gdk_screen_get_default ();
+	max_width = gdk_screen_get_width (screen);
+	max_height = gdk_screen_get_height (screen);
+
+	w = CLAMP (w, 100, max_width);
+	h = CLAMP (h, 100, max_height);
+
+	x = CLAMP (x, 0, max_width - w);
+	y = CLAMP (y, 0, max_height - h);
+
+	str = g_strdup_printf (GEOMETRY_FORMAT, x, y, w, h);
+
+	key_file = g_key_file_new ();
+
+	filename = geometry_get_filename ();
+
+	g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL);
+	g_key_file_set_string (key_file, GEOMETRY_GROUP_NAME, name, str);
+
+	g_free (str);
+
+	content = g_key_file_to_data (key_file, &length, NULL);
+	if (!g_file_set_contents (filename, content, length, &error)) {
+		g_warning ("Couldn't save window geometry, error:%d->'%s'",
+			   error->code, error->message);
+		g_error_free (error);
+	}
+
+	g_free (content);
+	g_free (filename);
+	g_key_file_free (key_file);
+}
+
+void
+gossip_geometry_load (const gchar *name,
+		      gint        *x,
+		      gint        *y,
+		      gint        *w,
+		      gint        *h)
+{
+	GKeyFile    *key_file;
+	gchar       *filename;
+	gchar       *str = NULL;
+
+	if (x) {
+		*x = -1;
+	}
+
+	if (y) {
+		*y = -1;
+	}
+
+	if (w) {
+		*w = -1;
+	}
+
+	if (h) {
+		*h = -1;
+	}
+
+	key_file = g_key_file_new ();
+
+	filename = geometry_get_filename ();
+
+	if (g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL)) {
+		str = g_key_file_get_string (key_file, GEOMETRY_GROUP_NAME, name, NULL);
+	}
+
+	if (str) {
+		gint tmp_x, tmp_y, tmp_w, tmp_h;
+
+		sscanf (str, GEOMETRY_FORMAT, &tmp_x, &tmp_y, &tmp_w, &tmp_h);
+
+		if (x) {
+			*x = tmp_x;
+		}
+
+		if (y) {
+			*y = tmp_y;
+		}
+
+		if (w) {
+			*w = tmp_w;
+		}
+
+		if (h) {
+			*h = tmp_h;
+		}
+
+		g_free (str);
+	}
+
+	gossip_debug (DEBUG_DOMAIN, "Loading window geometry: x:%d, y:%d, w:%d, h:%d\n",
+		      x ? *x : -1,
+		      y ? *y : -1,
+		      w ? *w : -1,
+		      h ? *h : -1);
+
+	g_free (filename);
+	g_key_file_free (key_file);
+}
+