1 /*
2  * glade-gtk-flow-box.c - GladeWidgetAdaptor for GtkFlowBox widget
3  *
4  * Copyright (C) 2014 Red Hat, Inc.
5  *
6  * Authors:
7  *      Matthias Clasen <mclasen@redhat.com>
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as
11  * published by the Free Software Foundation; either version 2.1 of
12  * the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22  */
23 #include <config.h>
24 
25 #include <gtk/gtk.h>
26 #include <glib/gi18n-lib.h>
27 #include <string.h>
28 
29 #include <gladeui/glade.h>
glade_gtk_expander_post_create(GladeWidgetAdaptor * adaptor,GObject * expander,GladeCreateReason reason)30 #include "glade-gtk.h"
31 
32 static void
33 sync_child_positions (GtkFlowBox *flowbox)
34 {
35   GList *l, *children;
36   int position;
37   static gboolean recursion = FALSE;
38 
39   /* Avoid feedback loop */
40   if (recursion)
41     return;
42 
43   children = gtk_container_get_children (GTK_CONTAINER (flowbox));
44 
45   position = 0;
46   for (l = children; l; l = g_list_next (l))
47     {
48       gint old_position;
49 
50       glade_widget_pack_property_get (glade_widget_get_from_gobject (l->data),
51                                       "position", &old_position);
52       if (position != old_position)
53         {
54           /* Update glade with the new value */
55           recursion = TRUE;
56           glade_widget_pack_property_set (glade_widget_get_from_gobject (l->data),
57                                           "position", position);
58           recursion = FALSE;
59         }
60 
61       position++;
62     }
63 
64   g_list_free (children);
65 }
66 
67 static void
68 glade_gtk_flowbox_insert (GtkFlowBox    *flowbox,
69                           GtkFlowBoxChild *child,
glade_gtk_expander_replace_child(GladeWidgetAdaptor * adaptor,GtkWidget * container,GtkWidget * current,GtkWidget * new_widget)70                           gint           position)
71 {
72   gtk_flow_box_insert (flowbox, GTK_WIDGET (child), position);
73   sync_child_positions (flowbox);
74 }
75 
76 static void
77 glade_gtk_flowbox_reorder (GtkFlowBox    *flowbox,
78                            GtkFlowBoxChild *child,
79                            gint           position)
80 {
81   gtk_container_remove (GTK_CONTAINER (flowbox), GTK_WIDGET (child));
82   gtk_flow_box_insert (flowbox, GTK_WIDGET (child), position);
83   sync_child_positions (flowbox);
84 }
85 
86 void
87 glade_gtk_flowbox_get_child_property (GladeWidgetAdaptor *adaptor,
88                                       GObject            *container,
89                                       GObject            *child,
90                                       const gchar        *property_name,
91                                       GValue             *value)
92 {
93   g_return_if_fail (GTK_IS_FLOW_BOX (container));
94   g_return_if_fail (GTK_IS_FLOW_BOX_CHILD (child));
95 
96   if (strcmp (property_name, "position") == 0)
glade_gtk_expander_add_child(GladeWidgetAdaptor * adaptor,GObject * object,GObject * child)97     {
98       gint position = gtk_flow_box_child_get_index (GTK_FLOW_BOX_CHILD (child));
99       g_value_set_int (value, position);
100     }
101   else
102     {
103       /* Chain Up */
104       GWA_GET_CLASS (GTK_TYPE_CONTAINER)->child_get_property (adaptor,
105                                                               container,
106                                                               child,
107                                                               property_name,
108                                                               value);
109     }
110 }
111 
112 void
113 glade_gtk_flowbox_set_child_property (GladeWidgetAdaptor *adaptor,
114                                       GObject            *container,
115                                       GObject            *child,
116                                       const gchar        *property_name,
117                                       GValue             *value)
118 {
glade_gtk_expander_remove_child(GladeWidgetAdaptor * adaptor,GObject * object,GObject * child)119   g_return_if_fail (GTK_IS_FLOW_BOX (container));
120   g_return_if_fail (GTK_IS_FLOW_BOX_CHILD (child));
121 
122   g_return_if_fail (property_name != NULL || value != NULL);
123 
124   if (strcmp (property_name, "position") == 0)
125     {
126       gint position;
127 
128       position = g_value_get_int (value);
129       glade_gtk_flowbox_reorder (GTK_FLOW_BOX (container),
130                                  GTK_FLOW_BOX_CHILD (child),
131                                  position);
132     }
133   else
134     {
135       /* Chain Up */
136       GWA_GET_CLASS (GTK_TYPE_CONTAINER)->child_set_property (adaptor,
137                                                               container,
glade_gtk_expander_write_child(GladeWidgetAdaptor * adaptor,GladeWidget * widget,GladeXmlContext * context,GladeXmlNode * node)138                                                               child,
139                                                               property_name,
140                                                               value);
141     }
142 }
143 
144 gboolean
145 glade_gtk_flowbox_add_verify (GladeWidgetAdaptor *adaptor,
146                               GtkWidget          *container,
147                               GtkWidget          *child,
148                               gboolean            user_feedback)
149 {
150   if (!GTK_IS_FLOW_BOX_CHILD (child))
151     {
152       if (user_feedback)
153         {
154           GladeWidgetAdaptor *tool_item_adaptor =
155             glade_widget_adaptor_get_by_type (GTK_TYPE_FLOW_BOX_CHILD);
156 
157           glade_util_ui_message (glade_app_get_window (),
158                                  GLADE_UI_INFO, NULL,
159                                  ONLY_THIS_GOES_IN_THAT_MSG,
160                                  glade_widget_adaptor_get_title (tool_item_adaptor),
161                                  glade_widget_adaptor_get_title (adaptor));
162         }
163 
164       return FALSE;
165     }
166 
167   return TRUE;
168 }
169 
170 void
171 glade_gtk_flowbox_add_child (GladeWidgetAdaptor *adaptor,
172                              GObject            *object,
173                              GObject            *child)
174 {
175   g_return_if_fail (GTK_IS_FLOW_BOX (object));
176   g_return_if_fail (GTK_IS_FLOW_BOX_CHILD (child));
177 
178   /* Insert to the end of the list */
179   glade_gtk_flowbox_insert (GTK_FLOW_BOX (object),
180                             GTK_FLOW_BOX_CHILD (child),
181                             -1);
182 }
183 
184 void
185 glade_gtk_flowbox_remove_child (GladeWidgetAdaptor *adaptor,
186                                 GObject            *object,
187                                 GObject            *child)
188 {
189   gtk_container_remove (GTK_CONTAINER (object), GTK_WIDGET (child));
190   sync_child_positions (GTK_FLOW_BOX (object));
191 }
192 
193 static void
194 glade_gtk_flowbox_child_insert_action (GladeWidgetAdaptor *adaptor,
195                                        GObject            *container,
196                                        GObject            *object,
197                                        gboolean            after)
198 {
199   GladeWidget *parent;
200   GladeWidget *gchild;
201   gint position;
202 
203   parent = glade_widget_get_from_gobject (container);
204   glade_command_push_group (_("Insert Child on %s"), glade_widget_get_name (parent));
205 
206   position = gtk_flow_box_child_get_index (GTK_FLOW_BOX_CHILD (object));
207   if (after)
208     position++;
209 
210   gchild = glade_command_create (glade_widget_adaptor_get_by_type (GTK_TYPE_FLOW_BOX_CHILD),
211                                  parent,
212                                  NULL,
213                                  glade_widget_get_project (parent));
214   glade_widget_pack_property_set (gchild, "position", position);
215 
216   glade_command_pop_group ();
217 }
218 
219 void
220 glade_gtk_flowbox_action_activate (GladeWidgetAdaptor * adaptor,
221 				   GObject * object,
222 				   const gchar * action_path)
223 {
224   if (strcmp (action_path, "add_child") == 0)
225     {
226       GladeWidgetAdaptor *adaptor = glade_widget_adaptor_get_by_type (GTK_TYPE_FLOW_BOX_CHILD);
227       GladeWidget *gparent = glade_widget_get_from_gobject (object);
228       GladeProject *project = glade_widget_get_project (gparent);
229 
230       glade_command_create (adaptor, gparent, NULL, project);
231 
232       glade_project_selection_set (project, object, TRUE);
233     }
234   else
235     GWA_GET_CLASS (GTK_TYPE_CONTAINER)->action_activate (adaptor,
236                                                          object, action_path);
237 }
238 
239 void
240 glade_gtk_flowbox_child_action_activate (GladeWidgetAdaptor *adaptor,
241                                          GObject            *container,
242                                          GObject            *object,
243                                          const gchar        *action_path)
244 {
245   if (strcmp (action_path, "insert_after") == 0)
246     {
247       glade_gtk_flowbox_child_insert_action (adaptor, container, object,
248                                              TRUE);
249     }
250   else if (strcmp (action_path, "insert_before") == 0)
251     {
252       glade_gtk_flowbox_child_insert_action (adaptor, container, object,
253                                              FALSE);
254     }
255   else
256     {
257       GWA_GET_CLASS (GTK_TYPE_CONTAINER)->child_action_activate (adaptor,
258                                                                  container,
259                                                                  object,
260                                                                  action_path);
261     }
262 }
263