1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * gimppluginview.c
5 * Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
6 * Copyright (C) 2004 Sven Neumann <sven@gimp.org>
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 */
21
22 #include "config.h"
23
24 #include <gtk/gtk.h>
25 #include <gegl.h>
26
27 #include "libgimpconfig/gimpconfig.h"
28
29 #include "widgets-types.h"
30
31 #include "core/gimpmarshal.h"
32
33 #include "plug-in/gimppluginprocedure.h"
34
35 #include "gimppluginview.h"
36
37 #include "gimp-intl.h"
38
39
40 enum
41 {
42 COLUMN_FILE,
43 COLUMN_PATH,
44 N_COLUMNS
45 };
46
47 enum
48 {
49 CHANGED,
50 LAST_SIGNAL
51 };
52
53
54 static void gimp_plug_in_view_finalize (GObject *object);
55
56 static void gimp_plug_in_view_selection_changed (GtkTreeSelection *selection,
57 GimpPlugInView *view);
58
59
60 G_DEFINE_TYPE (GimpPlugInView, gimp_plug_in_view, GTK_TYPE_TREE_VIEW)
61
62 #define parent_class gimp_plug_in_view_parent_class
63
64 static guint view_signals[LAST_SIGNAL] = { 0 };
65
66
67 static void
gimp_plug_in_view_class_init(GimpPlugInViewClass * klass)68 gimp_plug_in_view_class_init (GimpPlugInViewClass *klass)
69 {
70 GObjectClass *object_class = G_OBJECT_CLASS (klass);
71
72 object_class->finalize = gimp_plug_in_view_finalize;
73
74 klass->changed = NULL;
75
76 view_signals[CHANGED] = g_signal_new ("changed",
77 G_TYPE_FROM_CLASS (klass),
78 G_SIGNAL_RUN_LAST,
79 G_STRUCT_OFFSET (GimpPlugInViewClass,
80 changed),
81 NULL, NULL,
82 gimp_marshal_VOID__VOID,
83 G_TYPE_NONE, 0);
84 }
85
86 static void
gimp_plug_in_view_init(GimpPlugInView * view)87 gimp_plug_in_view_init (GimpPlugInView *view)
88 {
89 view->plug_in_hash = g_hash_table_new_full (g_file_hash,
90 (GEqualFunc) g_file_equal,
91 (GDestroyNotify) g_object_unref,
92 (GDestroyNotify) g_free);
93 }
94
95 static void
gimp_plug_in_view_finalize(GObject * object)96 gimp_plug_in_view_finalize (GObject *object)
97 {
98 GimpPlugInView *view = GIMP_PLUG_IN_VIEW (object);
99
100 g_clear_pointer (&view->plug_in_hash, g_hash_table_unref);
101
102 G_OBJECT_CLASS (parent_class)->finalize (object);
103 }
104
105 GtkWidget *
gimp_plug_in_view_new(GSList * procedures)106 gimp_plug_in_view_new (GSList *procedures)
107 {
108 GtkTreeView *view;
109 GtkTreeViewColumn *column;
110 GtkCellRenderer *cell;
111 GtkListStore *store;
112 GSList *list;
113
114 store = gtk_list_store_new (N_COLUMNS,
115 G_TYPE_FILE, /* COLUMN_FILE */
116 G_TYPE_STRING); /* COLUMN_PATH */
117
118 view = g_object_new (GIMP_TYPE_PLUG_IN_VIEW,
119 "model", store,
120 NULL);
121
122 g_object_unref (store);
123
124 for (list = procedures; list; list = g_slist_next (list))
125 {
126 GimpPlugInProcedure *proc = list->data;
127 GFile *file = gimp_plug_in_procedure_get_file (proc);
128
129 if (! g_hash_table_lookup (GIMP_PLUG_IN_VIEW (view)->plug_in_hash, file))
130 {
131 GtkTreeIter iter;
132 gchar *path = gimp_file_get_config_path (file, NULL);
133
134 gtk_list_store_append (store, &iter);
135 gtk_list_store_set (store, &iter,
136 COLUMN_FILE, file,
137 COLUMN_PATH, path,
138 -1);
139
140 g_free (path);
141
142 g_hash_table_insert (GIMP_PLUG_IN_VIEW (view)->plug_in_hash,
143 g_object_ref (file),
144 g_memdup (&iter, sizeof (GtkTreeIter)));
145 }
146 }
147
148 column = gtk_tree_view_column_new ();
149 gtk_tree_view_column_set_title (column, _("Plug-In"));
150 gtk_tree_view_column_set_expand (column, TRUE);
151
152 cell = gtk_cell_renderer_text_new ();
153 gtk_tree_view_column_pack_start (column, cell, TRUE);
154 gtk_tree_view_column_set_attributes (column, cell,
155 "text", COLUMN_PATH,
156 NULL);
157
158 gtk_tree_view_append_column (view, column);
159
160 g_signal_connect (gtk_tree_view_get_selection (view), "changed",
161 G_CALLBACK (gimp_plug_in_view_selection_changed),
162 view);
163
164 return GTK_WIDGET (view);
165 }
166
167 gchar *
gimp_plug_in_view_get_plug_in(GimpPlugInView * view)168 gimp_plug_in_view_get_plug_in (GimpPlugInView *view)
169 {
170 GtkTreeModel *model;
171 GtkTreeSelection *selection;
172 GtkTreeIter iter;
173
174 g_return_val_if_fail (GIMP_IS_PLUG_IN_VIEW (view), NULL);
175
176 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
177
178 if (gtk_tree_selection_get_selected (selection, &model, &iter))
179 {
180 gchar *path;
181
182 gtk_tree_model_get (model, &iter,
183 COLUMN_PATH, &path,
184 -1);
185
186 return path;
187 }
188
189 return NULL;
190 }
191
192 gboolean
gimp_plug_in_view_set_plug_in(GimpPlugInView * view,const gchar * path)193 gimp_plug_in_view_set_plug_in (GimpPlugInView *view,
194 const gchar *path)
195 {
196 GFile *file;
197 GtkTreeIter *iter;
198 GtkTreeSelection *selection;
199
200 g_return_val_if_fail (GIMP_IS_PLUG_IN_VIEW (view), FALSE);
201
202 file = gimp_file_new_for_config_path (path, NULL);
203
204 iter = g_hash_table_lookup (view->plug_in_hash, file);
205
206 g_object_unref (file);
207
208 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
209
210 if (iter)
211 {
212 gtk_tree_selection_select_iter (selection, iter);
213
214 return TRUE;
215 }
216
217 gtk_tree_selection_unselect_all (selection);
218
219 return FALSE;
220 }
221
222 static void
gimp_plug_in_view_selection_changed(GtkTreeSelection * selection,GimpPlugInView * view)223 gimp_plug_in_view_selection_changed (GtkTreeSelection *selection,
224 GimpPlugInView *view)
225 {
226 g_signal_emit (view, view_signals[CHANGED], 0);
227 }
228