1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 GdkAtom seltypes[LAST_SEL_TYPE];
44 typedef struct _Target {
49 GtkSelectionFunction *handler;
52 /* The following is a list of all the selection targets defined
55 static Target targets[] = {
56 { "ADOBE_PORTABLE_DOCUMENT_FORMAT", STRING, 0, 8, NULL },
57 { "APPLE_PICT", APPLE_PICT, 0, 8, NULL },
58 { "BACKGROUND", PIXEL, 0, 32, NULL },
59 { "BITMAP", BITMAP, 0, 32, NULL },
60 { "CHARACTER_POSITION", SPAN, 0, 32, NULL },
61 { "CLASS", TEXT, 0, 8, NULL },
62 { "CLIENT_WINDOW", WINDOW, 0, 32, NULL },
63 { "COLORMAP", COLORMAP, 0, 32, NULL },
64 { "COLUMN_NUMBER", SPAN, 0, 32, NULL },
65 { "COMPOUND_TEXT", COMPOUND_TEXT, 0, 8, NULL },
66 /* { "DELETE", "NULL", 0, ?, NULL }, */
67 { "DRAWABLE", DRAWABLE, 0, 32, NULL },
68 { "ENCAPSULATED_POSTSCRIPT", STRING, 0, 8, NULL },
69 { "ENCAPSULATED_POSTSCRIPT_INTERCHANGE", STRING, 0, 8, NULL },
70 { "FILE_NAME", TEXT, 0, 8, NULL },
71 { "FOREGROUND", PIXEL, 0, 32, NULL },
72 { "HOST_NAME", TEXT, 0, 8, NULL },
73 /* { "INSERT_PROPERTY", "NULL", 0, ? NULL }, */
74 /* { "INSERT_SELECTION", "NULL", 0, ? NULL }, */
75 { "LENGTH", INTEGER, 0, 32, NULL },
76 { "LINE_NUMBER", SPAN, 0, 32, NULL },
77 { "LIST_LENGTH", INTEGER, 0, 32, NULL },
78 { "MODULE", TEXT, 0, 8, NULL },
79 /* { "MULTIPLE", "ATOM_PAIR", 0, 32, NULL }, */
80 { "NAME", TEXT, 0, 8, NULL },
81 { "ODIF", TEXT, 0, 8, NULL },
82 { "OWNER_OS", TEXT, 0, 8, NULL },
83 { "PIXMAP", PIXMAP, 0, 32, NULL },
84 { "POSTSCRIPT", STRING, 0, 8, NULL },
85 { "PROCEDURE", TEXT, 0, 8, NULL },
86 { "PROCESS", INTEGER, 0, 32, NULL },
87 { "STRING", STRING, 0, 8, NULL },
88 { "TARGETS", ATOM, 0, 32, NULL },
89 { "TASK", INTEGER, 0, 32, NULL },
90 { "TEXT", TEXT, 0, 8 , NULL },
91 { "TIMESTAMP", INTEGER, 0, 32, NULL },
92 { "USER", TEXT, 0, 8, NULL },
95 static int num_targets = sizeof(targets)/sizeof(Target);
97 static int have_selection = FALSE;
99 GtkWidget *selection_text;
100 GtkWidget *selection_button;
101 GString *selection_string = NULL;
108 seltypes[SEL_TYPE_NONE] = GDK_NONE;
109 seltypes[APPLE_PICT] = gdk_atom_intern ("APPLE_PICT",FALSE);
110 seltypes[ATOM] = gdk_atom_intern ("ATOM",FALSE);
111 seltypes[ATOM_PAIR] = gdk_atom_intern ("ATOM_PAIR",FALSE);
112 seltypes[BITMAP] = gdk_atom_intern ("BITMAP",FALSE);
113 seltypes[C_STRING] = gdk_atom_intern ("C_STRING",FALSE);
114 seltypes[COLORMAP] = gdk_atom_intern ("COLORMAP",FALSE);
115 seltypes[COMPOUND_TEXT] = gdk_atom_intern ("COMPOUND_TEXT",FALSE);
116 seltypes[DRAWABLE] = gdk_atom_intern ("DRAWABLE",FALSE);
117 seltypes[INTEGER] = gdk_atom_intern ("INTEGER",FALSE);
118 seltypes[PIXEL] = gdk_atom_intern ("PIXEL",FALSE);
119 seltypes[PIXMAP] = gdk_atom_intern ("PIXMAP",FALSE);
120 seltypes[SPAN] = gdk_atom_intern ("SPAN",FALSE);
121 seltypes[STRING] = gdk_atom_intern ("STRING",FALSE);
122 seltypes[TEXT] = gdk_atom_intern ("TEXT",FALSE);
123 seltypes[WINDOW] = gdk_atom_intern ("WINDOW",FALSE);
125 for (i=0; i<num_targets; i++)
126 targets[i].target = gdk_atom_intern (targets[i].target_name, FALSE);
130 selection_toggled (GtkWidget *widget)
132 if (GTK_TOGGLE_BUTTON(widget)->active)
134 have_selection = gtk_selection_owner_set (widget,
135 GDK_SELECTION_PRIMARY,
138 gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON(widget), FALSE);
144 if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window)
145 gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY,
147 have_selection = FALSE;
153 selection_handle (GtkWidget *widget,
154 GtkSelectionData *selection_data, gpointer data)
159 if (!selection_string)
166 buffer = (guchar *)selection_string->str;
167 len = selection_string->len;
170 gtk_selection_data_set (selection_data,
171 selection_data->target == seltypes[COMPOUND_TEXT] ?
172 seltypes[COMPOUND_TEXT] : seltypes[STRING],
177 selection_clear (GtkWidget *widget, GdkEventSelection *event)
179 have_selection = FALSE;
180 gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON(widget), FALSE);
186 stringify_atom (guchar *data, gint *position)
188 gchar *str = gdk_atom_name (*(GdkAtom *)(data+*position));
189 *position += sizeof(GdkAtom);
195 stringify_text (guchar *data, gint *position)
197 gchar *str = g_strdup ((gchar *)(data+*position));
198 *position += strlen (str) + 1;
204 stringify_xid (guchar *data, gint *position)
209 sprintf(buffer,"0x%x",*(guint32 *)(data+*position));
210 str = g_strdup (buffer);
212 *position += sizeof(guint32);
218 stringify_integer (guchar *data, gint *position)
223 sprintf(buffer,"%d",*(int *)(data+*position));
224 str = g_strdup (buffer);
226 *position += sizeof(int);
232 stringify_span (guchar *data, gint *position)
237 sprintf(buffer,"%d - %d",((int *)(data+*position))[0],
238 ((int *)(data+*position))[1]);
239 str = g_strdup (buffer);
241 *position += 2*sizeof(int);
247 selection_received (GtkWidget *widget, GtkSelectionData *data)
254 if (data->length < 0)
256 g_print("Error retrieving selection\n");
260 seltype = SEL_TYPE_NONE;
261 for (i=0; i<LAST_SEL_TYPE; i++)
263 if (seltypes[i] == data->type)
270 if (seltype == SEL_TYPE_NONE)
272 char *name = gdk_atom_name (data->type);
273 g_print("Don't know how to handle type: %s (%ld)\n",
274 name?name:"<unknown>",
279 if (selection_string != NULL)
280 g_string_free (selection_string, TRUE);
282 selection_string = g_string_new (NULL);
284 gtk_text_freeze (GTK_TEXT (selection_text));
285 gtk_text_set_point (GTK_TEXT (selection_text), 0);
286 gtk_text_forward_delete (GTK_TEXT (selection_text),
287 gtk_text_get_length (GTK_TEXT (selection_text)));
290 while (position < data->length)
295 str = stringify_atom (data->data, &position);
300 str = stringify_text (data->data, &position);
307 str = stringify_xid (data->data, &position);
311 str = stringify_integer (data->data, &position);
314 str = stringify_span (data->data, &position);
318 char *name = gdk_atom_name (data->type);
319 g_print("Can't convert type %s (%ld) to string\n",
320 name?name:"<unknown>",
322 position = data->length;
326 gtk_text_insert (GTK_TEXT (selection_text), NULL,
327 &selection_text->style->black,
329 gtk_text_insert (GTK_TEXT (selection_text), NULL,
330 &selection_text->style->black,
332 g_string_append (selection_string, str);
335 gtk_text_thaw (GTK_TEXT (selection_text));
339 paste (GtkWidget *widget, GtkWidget *entry)
344 name = gtk_entry_get_text (GTK_ENTRY(entry));
345 atom = gdk_atom_intern (name, FALSE);
347 if (atom == GDK_NONE)
349 g_print("Could not create atom: \"%s\"\n",name);
353 gtk_selection_convert (selection_button, GDK_SELECTION_PRIMARY, atom,
364 main (int argc, char *argv[])
371 GtkWidget *hscrollbar;
372 GtkWidget *vscrollbar;
375 gtk_init (&argc, &argv);
379 dialog = gtk_dialog_new ();
380 gtk_widget_set_name (dialog, "Test Input");
381 gtk_container_border_width (GTK_CONTAINER(dialog), 0);
383 gtk_signal_connect (GTK_OBJECT (dialog), "destroy",
384 GTK_SIGNAL_FUNC (quit), NULL);
386 table = gtk_table_new (4, 2, FALSE);
387 gtk_container_border_width (GTK_CONTAINER(table), 10);
389 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 5);
390 gtk_table_set_row_spacing (GTK_TABLE (table), 1, 2);
391 gtk_table_set_row_spacing (GTK_TABLE (table), 2, 2);
392 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
393 gtk_box_pack_start (GTK_BOX (GTK_DIALOG(dialog)->vbox),
394 table, TRUE, TRUE, 0);
395 gtk_widget_show (table);
397 selection_button = gtk_toggle_button_new_with_label ("Claim Selection");
398 gtk_table_attach (GTK_TABLE (table), selection_button, 0, 2, 0, 1,
399 GTK_EXPAND | GTK_FILL, 0, 0, 0);
400 gtk_widget_show (selection_button);
402 gtk_signal_connect (GTK_OBJECT(selection_button), "toggled",
403 GTK_SIGNAL_FUNC (selection_toggled), NULL);
404 gtk_signal_connect (GTK_OBJECT(selection_button), "selection_clear_event",
405 GTK_SIGNAL_FUNC (selection_clear), NULL);
406 gtk_signal_connect (GTK_OBJECT(selection_button), "selection_received",
407 GTK_SIGNAL_FUNC (selection_received), NULL);
409 gtk_selection_add_handler (selection_button, GDK_SELECTION_PRIMARY,
410 seltypes[STRING], selection_handle, NULL);
412 gtk_selection_add_handler (selection_button, GDK_SELECTION_PRIMARY,
413 seltypes[TEXT], selection_handle, NULL);
415 gtk_selection_add_handler (selection_button, GDK_SELECTION_PRIMARY,
416 seltypes[COMPOUND_TEXT],
417 selection_handle, NULL);
419 selection_text = gtk_text_new (NULL, NULL);
420 gtk_table_attach_defaults (GTK_TABLE (table), selection_text, 0, 1, 1, 2);
421 gtk_widget_show (selection_text);
423 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (selection_text)->hadj);
424 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 2, 3,
425 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
426 gtk_widget_show (hscrollbar);
428 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (selection_text)->vadj);
429 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 1, 2,
430 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
431 gtk_widget_show (vscrollbar);
433 hbox = gtk_hbox_new (FALSE, 2);
434 gtk_table_attach (GTK_TABLE (table), hbox, 0, 2, 3, 4,
435 GTK_EXPAND | GTK_FILL, 0, 0, 0);
436 gtk_widget_show (hbox);
438 label = gtk_label_new ("Target:");
439 gtk_box_pack_start (GTK_BOX(hbox), label, FALSE, FALSE, 0);
440 gtk_widget_show (label);
442 entry = gtk_entry_new ();
443 gtk_box_pack_start (GTK_BOX(hbox), entry, TRUE, TRUE, 0);
444 gtk_widget_show (entry);
446 /* .. And create some buttons */
447 button = gtk_button_new_with_label ("Paste");
448 gtk_box_pack_start (GTK_BOX (GTK_DIALOG(dialog)->action_area),
449 button, TRUE, TRUE, 0);
450 gtk_signal_connect (GTK_OBJECT (button), "clicked",
451 GTK_SIGNAL_FUNC (paste), entry);
452 gtk_widget_show (button);
454 button = gtk_button_new_with_label ("Quit");
455 gtk_box_pack_start (GTK_BOX (GTK_DIALOG(dialog)->action_area),
456 button, TRUE, TRUE, 0);
458 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
459 GTK_SIGNAL_FUNC (gtk_widget_destroy),
460 GTK_OBJECT (dialog));
461 gtk_widget_show (button);
463 gtk_widget_show (dialog);