1 /* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
2 /*
3  * GTK - The GIMP Toolkit
4  * Copyright (C) 2006  Carlos Garnacho Parro <carlosg@gnome.org>
5  *
6  * All rights reserved.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library 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 GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the
20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23 #include <gtk/gtk.h>
24 
25 enum {
26   PACK_START,
27   PACK_END,
28   PACK_ALTERNATE
29 };
30 
31 static gpointer GROUP_A = "GROUP_A";
32 static gpointer GROUP_B = "GROUP_B";
33 
34 gchar *tabs1 [] = {
35   "aaaaaaaaaa",
36   "bbbbbbbbbb",
37   "cccccccccc",
38   "dddddddddd",
39   NULL
40 };
41 
42 gchar *tabs2 [] = {
43   "1",
44   "2",
45   "3",
46   "4",
47   "55555",
48   NULL
49 };
50 
51 gchar *tabs3 [] = {
52   "foo",
53   "bar",
54   NULL
55 };
56 
57 gchar *tabs4 [] = {
58   "beer",
59   "water",
60   "lemonade",
61   "coffee",
62   "tea",
63   NULL
64 };
65 
66 static const GtkTargetEntry button_targets[] = {
67   { "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0 },
68 };
69 
70 static GtkNotebook*
window_creation_function(GtkNotebook * source_notebook,GtkWidget * child,gint x,gint y,gpointer data)71 window_creation_function (GtkNotebook *source_notebook,
72 			  GtkWidget   *child,
73 			  gint         x,
74 			  gint         y,
75 			  gpointer     data)
76 {
77   GtkWidget *window, *notebook;
78 
79   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
80   notebook = gtk_notebook_new ();
81   g_signal_connect (notebook, "create-window",
82                     G_CALLBACK (window_creation_function), NULL);
83 
84   gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook),
85 			  gtk_notebook_get_group_name (source_notebook));
86 
87   gtk_container_add (GTK_CONTAINER (window), notebook);
88 
89   gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
90   gtk_window_move (GTK_WINDOW (window), x, y);
91   gtk_widget_show_all (window);
92 
93   return GTK_NOTEBOOK (notebook);
94 }
95 
96 static void
on_page_reordered(GtkNotebook * notebook,GtkWidget * child,guint page_num,gpointer data)97 on_page_reordered (GtkNotebook *notebook, GtkWidget *child, guint page_num, gpointer data)
98 {
99   g_print ("page %d reordered\n", page_num);
100 }
101 
102 static void
on_notebook_drag_begin(GtkWidget * widget,GdkDragContext * context,gpointer data)103 on_notebook_drag_begin (GtkWidget      *widget,
104 			GdkDragContext *context,
105 			gpointer        data)
106 {
107   GdkPixbuf *pixbuf;
108   guint page_num;
109 
110   page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (widget));
111 
112   if (page_num > 2)
113     {
114       pixbuf = gtk_widget_render_icon (widget,
115   				   (page_num % 2) ? GTK_STOCK_HELP : GTK_STOCK_STOP,
116 				   GTK_ICON_SIZE_DND, NULL);
117 
118       gtk_drag_set_icon_pixbuf (context, pixbuf, 0, 0);
119       g_object_unref (pixbuf);
120     }
121 }
122 
123 static void
on_button_drag_data_received(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * data,guint info,guint time,gpointer user_data)124 on_button_drag_data_received (GtkWidget        *widget,
125 			      GdkDragContext   *context,
126 			      gint              x,
127 			      gint              y,
128 			      GtkSelectionData *data,
129 			      guint             info,
130 			      guint             time,
131 			      gpointer          user_data)
132 {
133   GtkWidget *source, *tab_label;
134   GtkWidget **child;
135 
136   source = gtk_drag_get_source_widget (context);
137   child = (void*) data->data;
138 
139   tab_label = gtk_notebook_get_tab_label (GTK_NOTEBOOK (source), *child);
140   g_print ("Removing tab: %s\n", gtk_label_get_text (GTK_LABEL (tab_label)));
141 
142   gtk_container_remove (GTK_CONTAINER (source), *child);
143 }
144 
145 static GtkWidget*
create_notebook(gchar ** labels,gpointer group,gint packing,GtkPositionType pos)146 create_notebook (gchar           **labels,
147 		 gpointer          group,
148 		 gint              packing,
149 		 GtkPositionType   pos)
150 {
151   GtkWidget *notebook, *title, *page;
152   gint count = 0;
153 
154   notebook = gtk_notebook_new ();
155   g_signal_connect (notebook, "create-window",
156                     G_CALLBACK (window_creation_function), NULL);
157 
158   gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);
159   gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
160   gtk_container_set_border_width (GTK_CONTAINER (notebook), 6);
161   gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook), group);
162 
163   while (*labels)
164     {
165       page = gtk_entry_new ();
166       gtk_entry_set_text (GTK_ENTRY (page), *labels);
167 
168       title = gtk_label_new (*labels);
169 
170       gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
171       gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
172       gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
173 
174       if (packing == PACK_END ||
175 	  (packing == PACK_ALTERNATE && count % 2 == 1))
176 	gtk_container_child_set (GTK_CONTAINER (notebook), page, "tab-pack", GTK_PACK_END, NULL);
177 
178       count++;
179       labels++;
180     }
181 
182   g_signal_connect (GTK_NOTEBOOK (notebook), "page-reordered",
183 		    G_CALLBACK (on_page_reordered), NULL);
184   g_signal_connect_after (G_OBJECT (notebook), "drag-begin",
185 			  G_CALLBACK (on_notebook_drag_begin), NULL);
186   return notebook;
187 }
188 
189 static GtkWidget*
create_notebook_with_notebooks(gchar ** labels,gpointer group,gint packing,GtkPositionType pos)190 create_notebook_with_notebooks (gchar           **labels,
191 			        gpointer          group,
192 			        gint              packing,
193 			        GtkPositionType   pos)
194 {
195   GtkWidget *notebook, *title, *page;
196   gint count = 0;
197 
198   notebook = gtk_notebook_new ();
199   g_signal_connect (notebook, "create-window",
200                     G_CALLBACK (window_creation_function), NULL);
201 
202   gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);
203   gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
204   gtk_container_set_border_width (GTK_CONTAINER (notebook), 6);
205   gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook), group);
206 
207   while (*labels)
208     {
209       page = create_notebook (labels, group, packing, pos);
210       gtk_notebook_popup_enable (GTK_NOTEBOOK (page));
211 
212       title = gtk_label_new (*labels);
213 
214       gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
215       gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
216       gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
217 
218       if (packing == PACK_END ||
219 	  (packing == PACK_ALTERNATE && count % 2 == 1))
220 	gtk_container_child_set (GTK_CONTAINER (notebook), page, "tab-pack", GTK_PACK_END, NULL);
221 
222       count++;
223       labels++;
224     }
225 
226   g_signal_connect (GTK_NOTEBOOK (notebook), "page-reordered",
227 		    G_CALLBACK (on_page_reordered), NULL);
228   g_signal_connect_after (G_OBJECT (notebook), "drag-begin",
229 			  G_CALLBACK (on_notebook_drag_begin), NULL);
230   return notebook;
231 }
232 
233 static GtkWidget*
create_trash_button(void)234 create_trash_button (void)
235 {
236   GtkWidget *button;
237 
238   button = gtk_button_new_from_stock (GTK_STOCK_DELETE);
239 
240   gtk_drag_dest_set (button,
241 		     GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
242 		     button_targets,
243 		     G_N_ELEMENTS (button_targets),
244 		     GDK_ACTION_MOVE);
245 
246   g_signal_connect_after (G_OBJECT (button), "drag-data-received",
247 			  G_CALLBACK (on_button_drag_data_received), NULL);
248   return button;
249 }
250 
251 gint
main(gint argc,gchar * argv[])252 main (gint argc, gchar *argv[])
253 {
254   GtkWidget *window, *table;
255 
256   gtk_init (&argc, &argv);
257 
258   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
259   table = gtk_table_new (3, 2, FALSE);
260 
261   gtk_table_attach_defaults (GTK_TABLE (table),
262 			     create_notebook (tabs1, GROUP_A, PACK_ALTERNATE, GTK_POS_TOP),
263 			     0, 1, 0, 1);
264 
265   gtk_table_attach_defaults (GTK_TABLE (table),
266 			     create_notebook (tabs2, GROUP_B, PACK_ALTERNATE, GTK_POS_BOTTOM),
267 			     0, 1, 1, 2);
268 
269   gtk_table_attach_defaults (GTK_TABLE (table),
270 			     create_notebook (tabs3, GROUP_B, PACK_END, GTK_POS_LEFT),
271 			     1, 2, 0, 1);
272 
273   gtk_table_attach_defaults (GTK_TABLE (table),
274 			     create_notebook_with_notebooks (tabs4, GROUP_A, PACK_ALTERNATE, GTK_POS_RIGHT),
275 			     1, 2, 1, 2);
276 
277   gtk_table_attach (GTK_TABLE (table),
278 		    create_trash_button (), 1, 2, 2, 3,
279 		    GTK_EXPAND | GTK_FILL, GTK_SHRINK, 0, 0);
280 
281   gtk_container_add (GTK_CONTAINER (window), table);
282   gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
283   gtk_widget_show_all (window);
284 
285   gtk_main ();
286 
287   return 0;
288 }
289