libempathy-gtk/empathy-geometry.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2006-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Martyn Russell <martyn@imendio.com>
  22  *          Xavier Claessens <xclaesse@gmail.com>
  23  */
  24
  25 #include "config.h"
  26
  27 #include <sys/stat.h>
  28
  29 #include <glib.h>
  30 #include <gdk/gdk.h>
  31
  32 #include "empathy-geometry.h"
  33
  34 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  35 #include <libempathy/empathy-debug.h>
  36
  37 #define GEOMETRY_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  38 #define GEOMETRY_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  39
  40 #define GEOMETRY_KEY_FILENAME     "geometry.ini"
  41 #define GEOMETRY_FORMAT           "%d,%d,%d,%d"
  42 #define GEOMETRY_GROUP_NAME       "geometry"
  43
  44 static gchar *geometry_get_filename (void);
  45
  46 static gchar *
  47 geometry_get_filename (void)
  48 {
  49         gchar *dir;
  50         gchar *filename;
  51
  52         dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
  53         if (!g_file_test (dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
  54                 DEBUG ("Creating directory:'%s'", dir);
  55                 g_mkdir_with_parents (dir, GEOMETRY_DIR_CREATE_MODE);
  56         }
  57
  58         filename = g_build_filename (dir, GEOMETRY_KEY_FILENAME, NULL);
  59         g_free (dir);
  60
  61         return filename;
  62 }
  63
  64 void
  65 empathy_geometry_save (const gchar *name,
  66                       gint         x,
  67                       gint         y,
  68                       gint         w,
  69                       gint         h)
  70 {
  71         GError      *error = NULL;
  72         GKeyFile    *key_file;
  73         gchar       *filename;
  74         GdkScreen   *screen;
  75         gint         max_width;
  76         gint         max_height;
  77         gchar       *content;
  78         gsize        length;
  79         gchar       *str;
  80
  81         DEBUG ("Saving window geometry: x:%d, y:%d, w:%d, h:%d\n",
  82                 x, y, w, h);
  83
  84         screen = gdk_screen_get_default ();
  85         max_width = gdk_screen_get_width (screen);
  86         max_height = gdk_screen_get_height (screen);
  87
  88         w = CLAMP (w, 100, max_width);
  89         h = CLAMP (h, 100, max_height);
  90
  91         x = CLAMP (x, 0, max_width - w);
  92         y = CLAMP (y, 0, max_height - h);
  93
  94         str = g_strdup_printf (GEOMETRY_FORMAT, x, y, w, h);
  95
  96         key_file = g_key_file_new ();
  97
  98         filename = geometry_get_filename ();
  99
 100         g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL);
 101         g_key_file_set_string (key_file, GEOMETRY_GROUP_NAME, name, str);
 102
 103         g_free (str);
 104
 105         content = g_key_file_to_data (key_file, &length, NULL);
 106         if (!g_file_set_contents (filename, content, length, &error)) {
 107                 g_warning ("Couldn't save window geometry, error:%d->'%s'",
 108                            error->code, error->message);
 109                 g_error_free (error);
 110         }
 111
 112         g_free (content);
 113         g_free (filename);
 114         g_key_file_free (key_file);
 115 }
 116
 117 void
 118 empathy_geometry_load (const gchar *name,
 119                       gint        *x,
 120                       gint        *y,
 121                       gint        *w,
 122                       gint        *h)
 123 {
 124         GKeyFile    *key_file;
 125         gchar       *filename;
 126         gchar       *str = NULL;
 127
 128         if (x) {
 129                 *x = -1;
 130         }
 131
 132         if (y) {
 133                 *y = -1;
 134         }
 135
 136         if (w) {
 137                 *w = -1;
 138         }
 139
 140         if (h) {
 141                 *h = -1;
 142         }
 143
 144         key_file = g_key_file_new ();
 145
 146         filename = geometry_get_filename ();
 147
 148         if (g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL)) {
 149                 str = g_key_file_get_string (key_file, GEOMETRY_GROUP_NAME, name, NULL);
 150         }
 151
 152         if (str) {
 153                 gint tmp_x, tmp_y, tmp_w, tmp_h;
 154
 155                 sscanf (str, GEOMETRY_FORMAT, &tmp_x, &tmp_y, &tmp_w, &tmp_h);
 156
 157                 if (x) {
 158                         *x = tmp_x;
 159                 }
 160
 161                 if (y) {
 162                         *y = tmp_y;
 163                 }
 164
 165                 if (w) {
 166                         *w = tmp_w;
 167                 }
 168
 169                 if (h) {
 170                         *h = tmp_h;
 171                 }
 172
 173                 g_free (str);
 174         }
 175
 176         DEBUG ("Loading window geometry: x:%d, y:%d, w:%d, h:%d\n",
 177                 x ? *x : -1, y ? *y : -1, w ? *w : -1, h ? *h : -1);
 178
 179         g_free (filename);
 180         g_key_file_free (key_file);
 181 }
 182