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Viewing changes to app/widgets/gimpimageparasiteview.c

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Holbach
  • Date: 2007-05-02 16:33:03 UTC
  • mfrom: (1.1.4 upstream)
  • Revision ID: james.westby@ubuntu.com-20070502163303-bvzhjzbpw8qglc4y
Tags: 2.3.16-1ubuntu1
* Resynchronized with Debian, remaining Ubuntu changes:
  - debian/rules: i18n magic.
* debian/control.in:
  - Maintainer: Ubuntu Core Developers <ubuntu-devel@lists.ubuntu.com>
* debian/patches/02_help-message.patch,
  debian/patches/03_gimp.desktop.in.in.patch,
  debian/patches/10_dont_show_wizard.patch: updated.
* debian/patches/04_composite-signedness.patch,
  debian/patches/05_add-letter-spacing.patch: dropped, used upstream.

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app/widgets/gimpimageparasiteview.c
 
1
/* GIMP - The GNU Image Manipulation Program
 
2
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 
3
 *
 
4
 * GimpImageParasiteView
 
5
 * Copyright (C) 2006  Sven Neumann <sven@gimp.org>
 
6
 *
 
7
 * This program is free software; you can redistribute it and/or modify
 
8
 * it under the terms of the GNU General Public License as published by
 
9
 * the Free Software Foundation; either version 2 of the License, or
 
10
 * (at your option) any later version.
 
11
 *
 
12
 * This program is distributed in the hope that it will be useful,
 
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
15
 * GNU General Public License for more details.
 
16
 *
 
17
 * You should have received a copy of the GNU General Public License
 
18
 * along with this program; if not, write to the Free Software
 
19
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
20
 */
 
21
 
 
22
#include "config.h"
 
23
 
 
24
#include <string.h>
 
25
 
 
26
#include <gtk/gtk.h>
 
27
 
 
28
#include "libgimpbase/gimpbase.h"
 
29
#include "libgimpwidgets/gimpwidgets.h"
 
30
 
 
31
#include "widgets-types.h"
 
32
 
 
33
#include "core/gimp.h"
 
34
#include "core/gimpimage.h"
 
35
#include "core/gimpmarshal.h"
 
36
 
 
37
#include "gimpimageparasiteview.h"
 
38
 
 
39
 
 
40
enum
 
41
{
 
42
  PROP_0,
 
43
  PROP_IMAGE,
 
44
  PROP_PARASITE
 
45
};
 
46
 
 
47
enum
 
48
{
 
49
  UPDATE,
 
50
  LAST_SIGNAL
 
51
};
 
52
 
 
53
 
 
54
static GObject * gimp_image_parasite_view_constructor  (GType        type,
 
55
                                                       guint         n_params,
 
56
                                                       GObjectConstructParam *params);
 
57
static void      gimp_image_parasite_view_set_property (GObject     *object,
 
58
                                                       guint         property_id,
 
59
                                                       const GValue *value,
 
60
                                                       GParamSpec   *pspec);
 
61
static void      gimp_image_parasite_view_get_property (GObject     *object,
 
62
                                                       guint         property_id,
 
63
                                                       GValue       *value,
 
64
                                                       GParamSpec   *pspec);
 
65
static void      gimp_image_parasite_view_finalize    (GObject      *object);
 
66
 
 
67
static void      gimp_image_parasite_view_parasite_changed (GimpImageParasiteView *view,
 
68
                                                            const gchar          *name);
 
69
static void      gimp_image_parasite_view_update           (GimpImageParasiteView *view);
 
70
 
 
71
 
 
72
G_DEFINE_TYPE (GimpImageParasiteView, gimp_image_parasite_view, GTK_TYPE_VBOX)
 
73
 
 
74
#define parent_class gimp_image_parasite_view_parent_class
 
75
 
 
76
static guint view_signals[LAST_SIGNAL] = { 0 };
 
77
 
 
78
 
 
79
static void
 
80
gimp_image_parasite_view_class_init (GimpImageParasiteViewClass *klass)
 
81
{
 
82
  GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
83
 
 
84
  view_signals[UPDATE] =
 
85
    g_signal_new ("update",
 
86
                  G_TYPE_FROM_CLASS (klass),
 
87
                  G_SIGNAL_RUN_FIRST,
 
88
                  G_STRUCT_OFFSET (GimpImageParasiteViewClass, update),
 
89
                  NULL, NULL,
 
90
                  gimp_marshal_VOID__VOID,
 
91
                  G_TYPE_NONE, 0);
 
92
 
 
93
  object_class->constructor  = gimp_image_parasite_view_constructor;
 
94
  object_class->set_property = gimp_image_parasite_view_set_property;
 
95
  object_class->get_property = gimp_image_parasite_view_get_property;
 
96
  object_class->finalize     = gimp_image_parasite_view_finalize;
 
97
 
 
98
  klass->update              = NULL;
 
99
 
 
100
  g_object_class_install_property (object_class, PROP_IMAGE,
 
101
                                   g_param_spec_object ("image", NULL, NULL,
 
102
                                                        GIMP_TYPE_IMAGE,
 
103
                                                        GIMP_PARAM_READWRITE |
 
104
                                                        G_PARAM_CONSTRUCT_ONLY));
 
105
  g_object_class_install_property (object_class, PROP_PARASITE,
 
106
                                   g_param_spec_string ("parasite", NULL, NULL,
 
107
                                                        NULL,
 
108
                                                        GIMP_PARAM_READWRITE |
 
109
                                                        G_PARAM_CONSTRUCT_ONLY));
 
110
}
 
111
 
 
112
static void
 
113
gimp_image_parasite_view_init (GimpImageParasiteView *view)
 
114
{
 
115
  view->parasite = NULL;
 
116
}
 
117
 
 
118
static void
 
119
gimp_image_parasite_view_set_property (GObject      *object,
 
120
                                      guint         property_id,
 
121
                                      const GValue *value,
 
122
                                      GParamSpec   *pspec)
 
123
{
 
124
  GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
 
125
 
 
126
  switch (property_id)
 
127
    {
 
128
    case PROP_IMAGE:
 
129
      view->image = g_value_get_object (value);
 
130
      break;
 
131
    case PROP_PARASITE:
 
132
      view->parasite = g_value_dup_string (value);
 
133
      break;
 
134
    default:
 
135
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 
136
      break;
 
137
    }
 
138
}
 
139
 
 
140
static void
 
141
gimp_image_parasite_view_get_property (GObject    *object,
 
142
                                      guint       property_id,
 
143
                                      GValue     *value,
 
144
                                      GParamSpec *pspec)
 
145
{
 
146
  GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
 
147
 
 
148
  switch (property_id)
 
149
    {
 
150
    case PROP_IMAGE:
 
151
      g_value_set_object (value, view->image);
 
152
      break;
 
153
    case PROP_PARASITE:
 
154
      g_value_set_string (value, view->parasite);
 
155
      break;
 
156
    default:
 
157
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 
158
      break;
 
159
    }
 
160
}
 
161
 
 
162
static GObject *
 
163
gimp_image_parasite_view_constructor (GType                  type,
 
164
                                     guint                  n_params,
 
165
                                     GObjectConstructParam *params)
 
166
{
 
167
  GimpImageParasiteView *view;
 
168
  GObject              *object;
 
169
 
 
170
  object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
 
171
 
 
172
  view = GIMP_IMAGE_PARASITE_VIEW (object);
 
173
 
 
174
  g_assert (view->parasite != NULL);
 
175
  g_assert (view->image != NULL);
 
176
 
 
177
  g_signal_connect_object (view->image, "parasite-attached",
 
178
                           G_CALLBACK (gimp_image_parasite_view_parasite_changed),
 
179
                           G_OBJECT (view),
 
180
                           G_CONNECT_SWAPPED);
 
181
  g_signal_connect_object (view->image, "parasite-detached",
 
182
                           G_CALLBACK (gimp_image_parasite_view_parasite_changed),
 
183
                           G_OBJECT (view),
 
184
                           G_CONNECT_SWAPPED);
 
185
 
 
186
  gimp_image_parasite_view_update (view);
 
187
 
 
188
  return object;
 
189
}
 
190
 
 
191
static void
 
192
gimp_image_parasite_view_finalize (GObject *object)
 
193
{
 
194
  GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
 
195
 
 
196
  if (view->parasite)
 
197
    {
 
198
      g_free (view->parasite);
 
199
      view->parasite = NULL;
 
200
 
 
201
    }
 
202
 
 
203
  G_OBJECT_CLASS (parent_class)->finalize (object);
 
204
}
 
205
 
 
206
GtkWidget *
 
207
gimp_image_parasite_view_new (GimpImage   *image,
 
208
                              const gchar *parasite)
 
209
{
 
210
  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
 
211
  g_return_val_if_fail (parasite != NULL, NULL);
 
212
 
 
213
  return g_object_new (GIMP_TYPE_IMAGE_PARASITE_VIEW,
 
214
                       "image",    image,
 
215
                       "parasite", parasite,
 
216
                       NULL);
 
217
}
 
218
 
 
219
 
 
220
GimpImage *
 
221
gimp_image_parasite_view_get_image (GimpImageParasiteView *view)
 
222
{
 
223
  g_return_val_if_fail (GIMP_IS_IMAGE_PARASITE_VIEW (view), NULL);
 
224
 
 
225
  return view->image;
 
226
}
 
227
 
 
228
const GimpParasite *
 
229
gimp_image_parasite_view_get_parasite (GimpImageParasiteView *view)
 
230
{
 
231
  g_return_val_if_fail (GIMP_IS_IMAGE_PARASITE_VIEW (view), NULL);
 
232
 
 
233
  return gimp_image_parasite_find (view->image, view->parasite);
 
234
}
 
235
 
 
236
 
 
237
/*  private functions  */
 
238
 
 
239
static void
 
240
gimp_image_parasite_view_parasite_changed (GimpImageParasiteView *view,
 
241
                                           const gchar           *name)
 
242
{
 
243
  if (name && view->parasite && strcmp (name, view->parasite) == 0)
 
244
    gimp_image_parasite_view_update (view);
 
245
}
 
246
 
 
247
static void
 
248
gimp_image_parasite_view_update (GimpImageParasiteView *view)
 
249
{
 
250
  g_signal_emit (view, view_signals[UPDATE], 0);
 
251
}