src/vikexttool.c

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2008, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include "vikexttool.h"
  27
  28 #include <string.h>
  29
  30 #include <glib/gi18n.h>
  31
  32 static GObjectClass *parent_class;
  33
  34 static void ext_tool_finalize ( GObject *gob );
  35 static gchar *ext_tool_get_label ( VikExtTool *vw );
  36
  37 typedef struct _VikExtToolPrivate VikExtToolPrivate;
  38
  39 struct _VikExtToolPrivate
  40 {
  41   gint   id;
  42   gchar *label;
  43 };
  44
  45 #define EXT_TOOL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
  46                                 VIK_EXT_TOOL_TYPE,          \
  47                                 VikExtToolPrivate))
  48
  49 G_DEFINE_ABSTRACT_TYPE (VikExtTool, vik_ext_tool, G_TYPE_OBJECT)
  50
  51 enum
  52 {
  53   PROP_0,
  54
  55   PROP_ID,
  56   PROP_LABEL,
  57 };
  58
  59 static void
  60 ext_tool_set_property (GObject      *object,
  61                       guint         property_id,
  62                       const GValue *value,
  63                       GParamSpec   *pspec)
  64 {
  65   VikExtTool *self = VIK_EXT_TOOL (object);
  66   VikExtToolPrivate *priv = EXT_TOOL_GET_PRIVATE (self);
  67
  68   switch (property_id)
  69     {
  70     case PROP_ID:
  71       priv->id = g_value_get_uint (value);
  72       g_debug ("VikExtTool.id: %d", priv->id);
  73       break;
  74
  75     case PROP_LABEL:
  76       g_free (priv->label);
  77       priv->label = g_value_dup_string (value);
  78       g_debug ("VikExtTool.label: %s", priv->label);
  79       break;
  80
  81     default:
  82       /* We don't have any other property... */
  83       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  84       break;
  85     }
  86 }
  87
  88 static void
  89 ext_tool_get_property (GObject    *object,
  90                       guint       property_id,
  91                       GValue     *value,
  92                       GParamSpec *pspec)
  93 {
  94   VikExtTool *self = VIK_EXT_TOOL (object);
  95   VikExtToolPrivate *priv = EXT_TOOL_GET_PRIVATE (self);
  96
  97   switch (property_id)
  98     {
  99     case PROP_ID:
 100       g_value_set_uint (value, priv->id);
 101       break;
 102
 103     case PROP_LABEL:
 104       g_value_set_string (value, priv->label);
 105       break;
 106
 107     default:
 108       /* We don't have any other property... */
 109       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 110       break;
 111     }
 112 }
 113
 114 static void vik_ext_tool_class_init ( VikExtToolClass *klass )
 115 {
 116   GObjectClass *gobject_class;
 117   GParamSpec *pspec;
 118
 119   gobject_class = G_OBJECT_CLASS (klass);
 120   gobject_class->finalize = ext_tool_finalize;
 121   gobject_class->set_property = ext_tool_set_property;
 122   gobject_class->get_property = ext_tool_get_property;
 123
 124   pspec = g_param_spec_string ("label",
 125                                "Label",
 126                                "Set the label",
 127                                "<no-set>" /* default value */,
 128                                G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 129   g_object_class_install_property (gobject_class,
 130                                    PROP_LABEL,
 131                                    pspec);
 132
 133   pspec = g_param_spec_uint ("id",
 134                              "Id of the tool",
 135                              "Set the id",
 136                              0  /* minimum value */,
 137                              G_MAXUINT16 /* maximum value */,
 138                              0  /* default value */,
 139                              G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 140   g_object_class_install_property (gobject_class,
 141                                    PROP_ID,
 142                                    pspec);
 143
 144   klass->get_label = ext_tool_get_label;
 145
 146   parent_class = g_type_class_peek_parent (klass);
 147
 148   g_type_class_add_private (klass, sizeof (VikExtToolPrivate));
 149 }
 150
 151 static void vik_ext_tool_init ( VikExtTool *self )
 152 {
 153   VikExtToolPrivate *priv = EXT_TOOL_GET_PRIVATE (self);
 154   priv->label = NULL;
 155 }
 156
 157 static void ext_tool_finalize ( GObject *gob )
 158 {
 159   VikExtToolPrivate *priv = EXT_TOOL_GET_PRIVATE ( gob );
 160   g_free ( priv->label ); priv->label = NULL;
 161   G_OBJECT_CLASS(parent_class)->finalize(gob);
 162 }
 163
 164 static gchar *ext_tool_get_label ( VikExtTool *self )
 165 {
 166   VikExtToolPrivate *priv = NULL;
 167   priv = EXT_TOOL_GET_PRIVATE (self);
 168   return g_strdup ( priv->label );
 169 }
 170
 171 gchar *vik_ext_tool_get_label ( VikExtTool *w )
 172 {
 173   return VIK_EXT_TOOL_GET_CLASS( w )->get_label( w );
 174 }
 175
 176 void vik_ext_tool_open ( VikExtTool *self, VikWindow *vwindow )
 177 {
 178   VIK_EXT_TOOL_GET_CLASS( self )->open( self, vwindow );
 179 }
 180
 181 void vik_ext_tool_open_at_position ( VikExtTool *self, VikWindow *vwindow, VikCoord *vc )
 182 {
 183   if ( VIK_EXT_TOOL_GET_CLASS( self )->open_at_position )
 184     VIK_EXT_TOOL_GET_CLASS( self )->open_at_position( self, vwindow, vc );
 185 }