1 /*
2  * Copyright (C) 2010 Openismus GmbH
3  * Copyright (C) 2013 Red Hat, Inc.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 
18  *
19  * Authors:
20  *      Tristan Van Berkom <tristanvb@openismus.com>
21  *      Matthias Clasen <mclasen@redhat.com>
22  *      William Jon McCann <jmccann@redhat.com>
23  */
24 
25 #ifndef __GTK_FLOW_BOX_H__
26 #define __GTK_FLOW_BOX_H__
27 
28 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
29 #error "Only <gtk/gtk.h> can be included directly."
30 #endif
31 
32 #include <gtk/gtkbin.h>
33 
34 G_BEGIN_DECLS
35 
36 
37 #define GTK_TYPE_FLOW_BOX                  (gtk_flow_box_get_type ())
38 #define GTK_FLOW_BOX(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FLOW_BOX, GtkFlowBox))
39 #define GTK_FLOW_BOX_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FLOW_BOX, GtkFlowBoxClass))
40 #define GTK_IS_FLOW_BOX(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FLOW_BOX))
41 #define GTK_IS_FLOW_BOX_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FLOW_BOX))
42 #define GTK_FLOW_BOX_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FLOW_BOX, GtkFlowBoxClass))
43 
44 typedef struct _GtkFlowBox            GtkFlowBox;
45 typedef struct _GtkFlowBoxClass       GtkFlowBoxClass;
46 
47 typedef struct _GtkFlowBoxChild       GtkFlowBoxChild;
48 typedef struct _GtkFlowBoxChildClass  GtkFlowBoxChildClass;
49 
50 struct _GtkFlowBox
51 {
52   GtkContainer container;
53 };
54 
55 struct _GtkFlowBoxClass
56 {
57   GtkContainerClass parent_class;
58 
59   void (*child_activated)            (GtkFlowBox        *box,
60                                       GtkFlowBoxChild   *child);
61   void (*selected_children_changed)  (GtkFlowBox        *box);
62   void (*activate_cursor_child)      (GtkFlowBox        *box);
63   void (*toggle_cursor_child)        (GtkFlowBox        *box);
64   gboolean (*move_cursor)            (GtkFlowBox        *box,
65                                       GtkMovementStep    step,
66                                       gint               count);
67   void (*select_all)                 (GtkFlowBox        *box);
68   void (*unselect_all)               (GtkFlowBox        *box);
69 
70   /* Padding for future expansion */
71   void (*_gtk_reserved1) (void);
72   void (*_gtk_reserved2) (void);
73   void (*_gtk_reserved3) (void);
74   void (*_gtk_reserved4) (void);
75   void (*_gtk_reserved5) (void);
76   void (*_gtk_reserved6) (void);
77 };
78 
79 #define GTK_TYPE_FLOW_BOX_CHILD            (gtk_flow_box_child_get_type ())
80 #define GTK_FLOW_BOX_CHILD(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FLOW_BOX_CHILD, GtkFlowBoxChild))
81 #define GTK_FLOW_BOX_CHILD_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FLOW_BOX_CHILD, GtkFlowBoxChildClass))
82 #define GTK_IS_FLOW_BOX_CHILD(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FLOW_BOX_CHILD))
83 #define GTK_IS_FLOW_BOX_CHILD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FLOW_BOX_CHILD))
84 #define GTK_FLOW_BOX_CHILD_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EG_TYPE_FLOW_BOX_CHILD, GtkFlowBoxChildClass))
85 
86 struct _GtkFlowBoxChild
87 {
88   GtkBin parent_instance;
89 };
90 
91 struct _GtkFlowBoxChildClass
92 {
93   GtkBinClass parent_class;
94 
95   void (* activate) (GtkFlowBoxChild *child);
96 
97   /* Padding for future expansion */
98   void (*_gtk_reserved1) (void);
99   void (*_gtk_reserved2) (void);
100 };
101 
102 /**
103  * GtkFlowBoxCreateWidgetFunc:
104  * @item: (type GObject): the item from the model for which to create a widget for
105  * @user_data: (closure): user data from gtk_flow_box_bind_model()
106  *
107  * Called for flow boxes that are bound to a #GListModel with
108  * gtk_flow_box_bind_model() for each item that gets added to the model.
109  *
110  * Returns: (transfer full): a #GtkWidget that represents @item
111  *
112  * Since: 3.18
113  */
114 typedef GtkWidget * (*GtkFlowBoxCreateWidgetFunc) (gpointer item,
115                                                    gpointer  user_data);
116 
117 GDK_AVAILABLE_IN_3_12
118 GType                 gtk_flow_box_child_get_type            (void) G_GNUC_CONST;
119 GDK_AVAILABLE_IN_3_12
120 GtkWidget*            gtk_flow_box_child_new                 (void);
121 GDK_AVAILABLE_IN_3_12
122 gint                  gtk_flow_box_child_get_index           (GtkFlowBoxChild *child);
123 GDK_AVAILABLE_IN_3_12
124 gboolean              gtk_flow_box_child_is_selected         (GtkFlowBoxChild *child);
125 GDK_AVAILABLE_IN_3_12
126 void                  gtk_flow_box_child_changed             (GtkFlowBoxChild *child);
127 
128 
129 GDK_AVAILABLE_IN_3_12
130 GType                 gtk_flow_box_get_type                  (void) G_GNUC_CONST;
131 
132 GDK_AVAILABLE_IN_3_12
133 GtkWidget            *gtk_flow_box_new                       (void);
134 
135 GDK_AVAILABLE_IN_3_18
136 void                  gtk_flow_box_bind_model                (GtkFlowBox                 *box,
137                                                               GListModel                 *model,
138                                                               GtkFlowBoxCreateWidgetFunc  create_widget_func,
139                                                               gpointer                    user_data,
140                                                               GDestroyNotify              user_data_free_func);
141 
142 GDK_AVAILABLE_IN_3_12
143 void                  gtk_flow_box_set_homogeneous           (GtkFlowBox           *box,
144                                                               gboolean              homogeneous);
145 GDK_AVAILABLE_IN_3_12
146 gboolean              gtk_flow_box_get_homogeneous           (GtkFlowBox           *box);
147 GDK_AVAILABLE_IN_3_12
148 void                  gtk_flow_box_set_row_spacing           (GtkFlowBox           *box,
149                                                               guint                 spacing);
150 GDK_AVAILABLE_IN_3_12
151 guint                 gtk_flow_box_get_row_spacing           (GtkFlowBox           *box);
152 
153 GDK_AVAILABLE_IN_3_12
154 void                  gtk_flow_box_set_column_spacing        (GtkFlowBox           *box,
155                                                               guint                 spacing);
156 GDK_AVAILABLE_IN_3_12
157 guint                 gtk_flow_box_get_column_spacing        (GtkFlowBox           *box);
158 
159 GDK_AVAILABLE_IN_3_12
160 void                  gtk_flow_box_set_min_children_per_line (GtkFlowBox           *box,
161                                                               guint                 n_children);
162 GDK_AVAILABLE_IN_3_12
163 guint                 gtk_flow_box_get_min_children_per_line (GtkFlowBox           *box);
164 
165 GDK_AVAILABLE_IN_3_12
166 void                  gtk_flow_box_set_max_children_per_line (GtkFlowBox           *box,
167                                                               guint                 n_children);
168 GDK_AVAILABLE_IN_3_12
169 guint                 gtk_flow_box_get_max_children_per_line (GtkFlowBox           *box);
170 GDK_AVAILABLE_IN_3_12
171 void                  gtk_flow_box_set_activate_on_single_click (GtkFlowBox        *box,
172                                                                  gboolean           single);
173 GDK_AVAILABLE_IN_3_12
174 gboolean              gtk_flow_box_get_activate_on_single_click (GtkFlowBox        *box);
175 
176 GDK_AVAILABLE_IN_3_12
177 void                  gtk_flow_box_insert                       (GtkFlowBox        *box,
178                                                                  GtkWidget         *widget,
179                                                                  gint               position);
180 GDK_AVAILABLE_IN_3_12
181 GtkFlowBoxChild      *gtk_flow_box_get_child_at_index           (GtkFlowBox        *box,
182                                                                  gint               idx);
183 
184 GDK_AVAILABLE_IN_3_22
185 GtkFlowBoxChild      *gtk_flow_box_get_child_at_pos             (GtkFlowBox        *box,
186                                                                  gint               x,
187                                                                  gint               y);
188 
189 typedef void (* GtkFlowBoxForeachFunc) (GtkFlowBox      *box,
190                                         GtkFlowBoxChild *child,
191                                         gpointer         user_data);
192 
193 GDK_AVAILABLE_IN_3_12
194 void                  gtk_flow_box_selected_foreach             (GtkFlowBox        *box,
195                                                                  GtkFlowBoxForeachFunc func,
196                                                                  gpointer           data);
197 GDK_AVAILABLE_IN_3_12
198 GList                *gtk_flow_box_get_selected_children        (GtkFlowBox        *box);
199 GDK_AVAILABLE_IN_3_12
200 void                  gtk_flow_box_select_child                 (GtkFlowBox        *box,
201                                                                  GtkFlowBoxChild   *child);
202 GDK_AVAILABLE_IN_3_12
203 void                  gtk_flow_box_unselect_child               (GtkFlowBox        *box,
204                                                                  GtkFlowBoxChild   *child);
205 GDK_AVAILABLE_IN_3_12
206 void                  gtk_flow_box_select_all                   (GtkFlowBox        *box);
207 GDK_AVAILABLE_IN_3_12
208 void                  gtk_flow_box_unselect_all                 (GtkFlowBox        *box);
209 GDK_AVAILABLE_IN_3_12
210 void                  gtk_flow_box_set_selection_mode           (GtkFlowBox        *box,
211                                                                  GtkSelectionMode   mode);
212 GDK_AVAILABLE_IN_3_12
213 GtkSelectionMode      gtk_flow_box_get_selection_mode           (GtkFlowBox        *box);
214 GDK_AVAILABLE_IN_3_12
215 void                  gtk_flow_box_set_hadjustment              (GtkFlowBox        *box,
216                                                                  GtkAdjustment     *adjustment);
217 GDK_AVAILABLE_IN_3_12
218 void                  gtk_flow_box_set_vadjustment              (GtkFlowBox        *box,
219                                                                  GtkAdjustment     *adjustment);
220 
221 typedef gboolean (*GtkFlowBoxFilterFunc) (GtkFlowBoxChild *child,
222                                           gpointer         user_data);
223 
224 GDK_AVAILABLE_IN_3_12
225 void                  gtk_flow_box_set_filter_func              (GtkFlowBox        *box,
226                                                                  GtkFlowBoxFilterFunc filter_func,
227                                                                  gpointer             user_data,
228                                                                  GDestroyNotify       destroy);
229 GDK_AVAILABLE_IN_3_12
230 void                  gtk_flow_box_invalidate_filter            (GtkFlowBox        *box);
231 
232 typedef gint (*GtkFlowBoxSortFunc) (GtkFlowBoxChild *child1,
233                                     GtkFlowBoxChild *child2,
234                                     gpointer         user_data);
235 
236 GDK_AVAILABLE_IN_3_12
237 void                  gtk_flow_box_set_sort_func                (GtkFlowBox        *box,
238                                                                  GtkFlowBoxSortFunc  sort_func,
239                                                                  gpointer            user_data,
240                                                                  GDestroyNotify      destroy);
241 GDK_AVAILABLE_IN_3_12
242 void                  gtk_flow_box_invalidate_sort              (GtkFlowBox         *box);
243 
244 G_END_DECLS
245 
246 
247 #endif /* __GTK_FLOW_BOX_H__ */
248