Pileus Git - ~andy/gtk/blob - tests/testdnd.c

   1 /* testdnd.c
   2  * Copyright (C) 1998  Red Hat, Inc.
   3  * Author: Owen Taylor
   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 #include "config.h"
  20 #include "gtk/gtk.h"
  21
  22 /* Target side drag signals */
  23
  24 /* XPM */
  25 static const char * drag_icon_xpm[] = {
  26 "36 48 9 1",
  27 "       c None",
  28 ".      c #020204",
  29 "+      c #8F8F90",
  30 "@      c #D3D3D2",
  31 "#      c #AEAEAC",
  32 "$      c #ECECEC",
  33 "%      c #A2A2A4",
  34 "&      c #FEFEFC",
  35 "*      c #BEBEBC",
  36 "               .....................",
  37 "              ..&&&&&&&&&&&&&&&&&&&.",
  38 "             ...&&&&&&&&&&&&&&&&&&&.",
  39 "            ..&.&&&&&&&&&&&&&&&&&&&.",
  40 "           ..&&.&&&&&&&&&&&&&&&&&&&.",
  41 "          ..&&&.&&&&&&&&&&&&&&&&&&&.",
  42 "         ..&&&&.&&&&&&&&&&&&&&&&&&&.",
  43 "        ..&&&&&.&&&@&&&&&&&&&&&&&&&.",
  44 "       ..&&&&&&.*$%$+$&&&&&&&&&&&&&.",
  45 "      ..&&&&&&&.%$%$+&&&&&&&&&&&&&&.",
  46 "     ..&&&&&&&&.#&#@$&&&&&&&&&&&&&&.",
  47 "    ..&&&&&&&&&.#$**#$&&&&&&&&&&&&&.",
  48 "   ..&&&&&&&&&&.&@%&%$&&&&&&&&&&&&&.",
  49 "  ..&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
  50 " ..&&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
  51 "................&$@&&&@&&&&&&&&&&&&.",
  52 ".&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&&&&&.",
  53 ".&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&&&.",
  54 ".&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&&&.",
  55 ".&&&&&&@#@@$&*@&@#@#$**#$&&&&&&&&&&.",
  56 ".&&&&&&&&&&&&&&&&&&&@%&%$&&&&&&&&&&.",
  57 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  58 ".&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&&&.",
  59 ".&&&&&&&&&+&$+&$&@&$@&&$@&&&&&&&&&&.",
  60 ".&&&&&&&&&+&&#@%#+@#@*$%&+$&&&&&&&&.",
  61 ".&&&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&.",
  62 ".&&&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&.",
  63 ".&&&&&&&&@#@@$&*@&@#@#$#*#$&&&&&&&&.",
  64 ".&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&&&.",
  65 ".&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&.",
  66 ".&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&&&&&.",
  67 ".&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&.",
  68 ".&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&&&&&.",
  69 ".&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&&&&&.",
  70 ".&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&&&&&.",
  71 ".&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&.",
  72 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  73 ".&&&&&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&.",
  74 ".&&&&&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&.",
  75 ".&&&&&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&.",
  76 ".&&&&&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&.",
  77 ".&&&&&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&.",
  78 ".&&&&&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&.",
  79 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&.",
  80 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  81 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  82 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  83 "...................................."};
  84
  85 /* XPM */
  86 static const char * trashcan_closed_xpm[] = {
  87 "64 80 17 1",
  88 "       c None",
  89 ".      c #030304",
  90 "+      c #5A5A5C",
  91 "@      c #323231",
  92 "#      c #888888",
  93 "$      c #1E1E1F",
  94 "%      c #767677",
  95 "&      c #494949",
  96 "*      c #9E9E9C",
  97 "=      c #111111",
  98 "-      c #3C3C3D",
  99 ";      c #6B6B6B",
 100 ">      c #949494",
 101 ",      c #282828",
 102 "'      c #808080",
 103 ")      c #545454",
 104 "!      c #AEAEAC",
 105 "                                                                ",
 106 "                                                                ",
 107 "                                                                ",
 108 "                                                                ",
 109 "                                                                ",
 110 "                                                                ",
 111 "                                                                ",
 112 "                                                                ",
 113 "                                                                ",
 114 "                                                                ",
 115 "                                                                ",
 116 "                                                                ",
 117 "                                                                ",
 118 "                                                                ",
 119 "                                                                ",
 120 "                                                                ",
 121 "                                                                ",
 122 "                                                                ",
 123 "                                                                ",
 124 "                                                                ",
 125 "                                                                ",
 126 "                                                                ",
 127 "                       ==......=$$...===                        ",
 128 "                 ..$------)+++++++++++++@$$...                  ",
 129 "             ..=@@-------&+++++++++++++++++++-....              ",
 130 "          =.$$@@@-&&)++++)-,$$$$=@@&+++++++++++++,..$           ",
 131 "         .$$$$@@&+++++++&$$$@@@@-&,$,-++++++++++;;;&..          ",
 132 "        $$$$,@--&++++++&$$)++++++++-,$&++++++;%%'%%;;$@         ",
 133 "       .-@@-@-&++++++++-@++++++++++++,-++++++;''%;;;%*-$        ",
 134 "       +------++++++++++++++++++++++++++++++;;%%%;;##*!.        ",
 135 "        =+----+++++++++++++++++++++++;;;;;;;;;;;;%'>>).         ",
 136 "         .=)&+++++++++++++++++;;;;;;;;;;;;;;%''>>#>#@.          ",
 137 "          =..=&++++++++++++;;;;;;;;;;;;;%###>>###+%==           ",
 138 "           .&....=-+++++%;;####''''''''''##'%%%)..#.            ",
 139 "           .+-++@....=,+%#####'%%%%%%%%%;@$-@-@*++!.            ",
 140 "           .+-++-+++-&-@$$=$=......$,,,@;&)+!++!++!.            ",
 141 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 142 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 143 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 144 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 145 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 146 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 147 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 148 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 149 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 150 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 151 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 152 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 153 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 154 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 155 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 156 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 157 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 158 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 159 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 160 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 161 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 162 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 163 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 164 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 165 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 166 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 167 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 168 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 169 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 170 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 171 "           =+-++-+++-+++++++++!++++!++++!+++!++!+++=            ",
 172 "            $.++-+++-+++++++++!++++!++++!+++!++!+.$             ",
 173 "              =.++++++++++++++!++++!++++!+++!++.=               ",
 174 "                 $..+++++++++++++++!++++++...$                  ",
 175 "                      $$=.............=$$                       ",
 176 "                                                                ",
 177 "                                                                ",
 178 "                                                                ",
 179 "                                                                ",
 180 "                                                                ",
 181 "                                                                ",
 182 "                                                                ",
 183 "                                                                ",
 184 "                                                                "};
 185
 186 /* XPM */
 187 static const char * trashcan_open_xpm[] = {
 188 "64 80 17 1",
 189 "       c None",
 190 ".      c #030304",
 191 "+      c #5A5A5C",
 192 "@      c #323231",
 193 "#      c #888888",
 194 "$      c #1E1E1F",
 195 "%      c #767677",
 196 "&      c #494949",
 197 "*      c #9E9E9C",
 198 "=      c #111111",
 199 "-      c #3C3C3D",
 200 ";      c #6B6B6B",
 201 ">      c #949494",
 202 ",      c #282828",
 203 "'      c #808080",
 204 ")      c #545454",
 205 "!      c #AEAEAC",
 206 "                                                                ",
 207 "                                                                ",
 208 "                                                                ",
 209 "                                                                ",
 210 "                                                                ",
 211 "                                                                ",
 212 "                                      .=.==.,@                  ",
 213 "                                   ==.,@-&&&)-=                 ",
 214 "                                 .$@,&++;;;%>*-                 ",
 215 "                               $,-+)+++%%;;'#+.                 ",
 216 "                            =---+++++;%%%;%##@.                 ",
 217 "                           @)++++++++;%%%%'#%$                  ",
 218 "                         $&++++++++++;%%;%##@=                  ",
 219 "                       ,-++++)+++++++;;;'#%)                    ",
 220 "                      @+++&&--&)++++;;%'#'-.                    ",
 221 "                    ,&++-@@,,,,-)++;;;'>'+,                     ",
 222 "                  =-++&@$@&&&&-&+;;;%##%+@                      ",
 223 "                =,)+)-,@@&+++++;;;;%##%&@                       ",
 224 "               @--&&,,@&)++++++;;;;'#)@                         ",
 225 "              ---&)-,@)+++++++;;;%''+,                          ",
 226 "            $--&)+&$-+++++++;;;%%'';-                           ",
 227 "           .,-&+++-$&++++++;;;%''%&=                            ",
 228 "          $,-&)++)-@++++++;;%''%),                              ",
 229 "         =,@&)++++&&+++++;%'''+$@&++++++                        ",
 230 "        .$@-++++++++++++;'#';,........=$@&++++                  ",
 231 "       =$@@&)+++++++++++'##-.................=&++               ",
 232 "      .$$@-&)+++++++++;%#+$.....................=)+             ",
 233 "      $$,@-)+++++++++;%;@=........................,+            ",
 234 "     .$$@@-++++++++)-)@=............................            ",
 235 "     $,@---)++++&)@===............................,.            ",
 236 "    $-@---&)))-$$=..............................=)!.            ",
 237 "     --&-&&,,$=,==...........................=&+++!.            ",
 238 "      =,=$..=$+)+++++&@$=.............=$@&+++++!++!.            ",
 239 "           .)-++-+++++++++++++++++++++++++++!++!++!.            ",
 240 "           .+-++-+++++++++++++++++++++++!+++!++!++!.            ",
 241 "           .+-++-+++-+++++++++!+++!!++++!+++!++!++!.            ",
 242 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 243 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 244 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 245 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 246 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 247 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 248 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 249 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 250 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 251 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 252 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 253 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 254 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 255 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 256 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 257 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 258 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 259 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 260 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 261 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 262 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 263 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 264 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 265 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 266 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 267 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 268 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 269 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 270 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 271 "           .+-++-+++-+++++++++!++++!++++!+++!++!++!.            ",
 272 "           =+-++-+++-+++++++++!++++!++++!+++!++!+++=            ",
 273 "            $.++-+++-+++++++++!++++!++++!+++!++!+.$             ",
 274 "              =.++++++++++++++!++++!++++!+++!++.=               ",
 275 "                 $..+++++++++++++++!++++++...$                  ",
 276 "                      $$==...........==$$                       ",
 277 "                                                                ",
 278 "                                                                ",
 279 "                                                                ",
 280 "                                                                ",
 281 "                                                                ",
 282 "                                                                ",
 283 "                                                                ",
 284 "                                                                ",
 285 "                                                                "};
 286
 287 GdkPixbuf *trashcan_open;
 288 GdkPixbuf *trashcan_closed;
 289
 290 gboolean have_drag;
 291
 292 enum {
 293   TARGET_STRING,
 294   TARGET_ROOTWIN
 295 };
 296
 297 static GtkTargetEntry target_table[] = {
 298   { "STRING",     0, TARGET_STRING },
 299   { "text/plain", 0, TARGET_STRING },
 300   { "application/x-rootwindow-drop", 0, TARGET_ROOTWIN }
 301 };
 302
 303 static guint n_targets = sizeof(target_table) / sizeof(target_table[0]);
 304
 305 void
 306 target_drag_leave          (GtkWidget          *widget,
 307                             GdkDragContext     *context,
 308                             guint               time)
 309 {
 310   g_print("leave\n");
 311   have_drag = FALSE;
 312   gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_closed);
 313 }
 314
 315 gboolean
 316 target_drag_motion         (GtkWidget          *widget,
 317                             GdkDragContext     *context,
 318                             gint                x,
 319                             gint                y,
 320                             guint               time)
 321 {
 322   GtkWidget *source_widget;
 323   GList *tmp_list;
 324
 325   if (!have_drag)
 326     {
 327       have_drag = TRUE;
 328       gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_open);
 329     }
 330
 331   source_widget = gtk_drag_get_source_widget (context);
 332   g_print ("motion, source %s\n", source_widget ?
 333            G_OBJECT_TYPE_NAME (source_widget) :
 334            "NULL");
 335
 336   tmp_list = gdk_drag_context_list_targets (context);
 337   while (tmp_list)
 338     {
 339       char *name = gdk_atom_name (GDK_POINTER_TO_ATOM (tmp_list->data));
 340       g_print ("%s\n", name);
 341       g_free (name);
 342
 343       tmp_list = tmp_list->next;
 344     }
 345
 346   gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
 347
 348   return TRUE;
 349 }
 350
 351 gboolean
 352 target_drag_drop           (GtkWidget          *widget,
 353                             GdkDragContext     *context,
 354                             gint                x,
 355                             gint                y,
 356                             guint               time)
 357 {
 358   g_print("drop\n");
 359   have_drag = FALSE;
 360
 361   gtk_image_set_from_pixbuf (GTK_IMAGE (widget), trashcan_closed);
 362
 363   if (gdk_drag_context_list_targets (context))
 364     {
 365       gtk_drag_get_data (widget, context,
 366                          GDK_POINTER_TO_ATOM (gdk_drag_context_list_targets (context)->data),
 367                          time);
 368       return TRUE;
 369     }
 370
 371   return FALSE;
 372 }
 373
 374 void
 375 target_drag_data_received  (GtkWidget          *widget,
 376                             GdkDragContext     *context,
 377                             gint                x,
 378                             gint                y,
 379                             GtkSelectionData   *selection_data,
 380                             guint               info,
 381                             guint               time)
 382 {
 383   if (gtk_selection_data_get_length (selection_data) >= 0 &&
 384       gtk_selection_data_get_format (selection_data) == 8)
 385     {
 386       g_print ("Received \"%s\" in trashcan\n", (gchar *) gtk_selection_data_get_data (selection_data));
 387       gtk_drag_finish (context, TRUE, FALSE, time);
 388       return;
 389     }
 390
 391   gtk_drag_finish (context, FALSE, FALSE, time);
 392 }
 393
 394 void
 395 label_drag_data_received  (GtkWidget          *widget,
 396                             GdkDragContext     *context,
 397                             gint                x,
 398                             gint                y,
 399                             GtkSelectionData   *selection_data,
 400                             guint               info,
 401                             guint               time)
 402 {
 403   if (gtk_selection_data_get_length (selection_data) >= 0 &&
 404       gtk_selection_data_get_format (selection_data) == 8)
 405     {
 406       g_print ("Received \"%s\" in label\n", (gchar *) gtk_selection_data_get_data (selection_data));
 407       gtk_drag_finish (context, TRUE, FALSE, time);
 408       return;
 409     }
 410
 411   gtk_drag_finish (context, FALSE, FALSE, time);
 412 }
 413
 414 void
 415 source_drag_data_get  (GtkWidget          *widget,
 416                        GdkDragContext     *context,
 417                        GtkSelectionData   *selection_data,
 418                        guint               info,
 419                        guint               time,
 420                        gpointer            data)
 421 {
 422   if (info == TARGET_ROOTWIN)
 423     g_print ("I was dropped on the rootwin\n");
 424   else
 425     gtk_selection_data_set (selection_data,
 426                             gtk_selection_data_get_target (selection_data),
 427                             8, (guchar *) "I'm Data!", 9);
 428 }
 429
 430 /* The following is a rather elaborate example demonstrating/testing
 431  * changing of the window hierarchy during a drag - in this case,
 432  * via a "spring-loaded" popup window.
 433  */
 434 static GtkWidget *popup_window = NULL;
 435
 436 static gboolean popped_up = FALSE;
 437 static gboolean in_popup = FALSE;
 438 static guint popdown_timer = 0;
 439 static guint popup_timer = 0;
 440
 441 gint
 442 popdown_cb (gpointer data)
 443 {
 444   popdown_timer = 0;
 445
 446   gtk_widget_hide (popup_window);
 447   popped_up = FALSE;
 448
 449   return FALSE;
 450 }
 451
 452 gboolean
 453 popup_motion       (GtkWidget          *widget,
 454                     GdkDragContext     *context,
 455                     gint                x,
 456                     gint                y,
 457                     guint               time)
 458 {
 459   if (!in_popup)
 460     {
 461       in_popup = TRUE;
 462       if (popdown_timer)
 463         {
 464           g_print ("removed popdown\n");
 465           g_source_remove (popdown_timer);
 466           popdown_timer = 0;
 467         }
 468     }
 469
 470   return TRUE;
 471 }
 472
 473 void
 474 popup_leave        (GtkWidget          *widget,
 475                     GdkDragContext     *context,
 476                     guint               time)
 477 {
 478   if (in_popup)
 479     {
 480       in_popup = FALSE;
 481       if (!popdown_timer)
 482         {
 483           g_print ("added popdown\n");
 484           popdown_timer = gdk_threads_add_timeout (500, popdown_cb, NULL);
 485         }
 486     }
 487 }
 488
 489 gboolean
 490 popup_cb (gpointer data)
 491 {
 492   if (!popped_up)
 493     {
 494       if (!popup_window)
 495         {
 496           GtkWidget *button;
 497           GtkWidget *grid;
 498           int i, j;
 499
 500           popup_window = gtk_window_new (GTK_WINDOW_POPUP);
 501           gtk_window_set_position (GTK_WINDOW (popup_window), GTK_WIN_POS_MOUSE);
 502
 503           grid = gtk_grid_new ();
 504
 505           for (i=0; i<3; i++)
 506             for (j=0; j<3; j++)
 507               {
 508                 char buffer[128];
 509                 g_snprintf(buffer, sizeof(buffer), "%d,%d", i, j);
 510                 button = gtk_button_new_with_label (buffer);
 511                 gtk_widget_set_hexpand (button, TRUE);
 512                 gtk_widget_set_vexpand (button, TRUE);
 513                 gtk_grid_attach (GTK_GRID (grid), button, i, j, 1, 1);
 514
 515                 gtk_drag_dest_set (button,
 516                                    GTK_DEST_DEFAULT_ALL,
 517                                    target_table, n_targets - 1, /* no rootwin */
 518                                    GDK_ACTION_COPY | GDK_ACTION_MOVE);
 519                 g_signal_connect (button, "drag_motion",
 520                                   G_CALLBACK (popup_motion), NULL);
 521                 g_signal_connect (button, "drag_leave",
 522                                   G_CALLBACK (popup_leave), NULL);
 523               }
 524
 525           gtk_widget_show_all (grid);
 526           gtk_container_add (GTK_CONTAINER (popup_window), grid);
 527
 528         }
 529       gtk_widget_show (popup_window);
 530       popped_up = TRUE;
 531     }
 532
 533   popdown_timer = gdk_threads_add_timeout (500, popdown_cb, NULL);
 534   g_print ("added popdown\n");
 535
 536   popup_timer = FALSE;
 537
 538   return FALSE;
 539 }
 540
 541 gboolean
 542 popsite_motion     (GtkWidget          *widget,
 543                     GdkDragContext     *context,
 544                     gint                x,
 545                     gint                y,
 546                     guint               time)
 547 {
 548   if (!popup_timer)
 549     popup_timer = gdk_threads_add_timeout (500, popup_cb, NULL);
 550
 551   return TRUE;
 552 }
 553
 554 void
 555 popsite_leave      (GtkWidget          *widget,
 556                     GdkDragContext     *context,
 557                     guint               time)
 558 {
 559   if (popup_timer)
 560     {
 561       g_source_remove (popup_timer);
 562       popup_timer = 0;
 563     }
 564 }
 565
 566 void
 567 source_drag_data_delete  (GtkWidget          *widget,
 568                           GdkDragContext     *context,
 569                           gpointer            data)
 570 {
 571   g_print ("Delete the data!\n");
 572 }
 573
 574 void
 575 test_init (void)
 576 {
 577   if (g_file_test ("../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
 578     g_setenv ("GTK_IM_MODULE_FILE", "../modules/input/immodules.cache", TRUE);
 579 }
 580
 581 int
 582 main (int argc, char **argv)
 583 {
 584   GtkWidget *window;
 585   GtkWidget *grid;
 586   GtkWidget *label;
 587   GtkWidget *pixmap;
 588   GtkWidget *button;
 589   GdkPixbuf *drag_icon;
 590
 591   test_init ();
 592
 593   gtk_init (&argc, &argv);
 594
 595   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 596   g_signal_connect (window, "destroy",
 597                     G_CALLBACK (gtk_main_quit), NULL);
 598
 599
 600   grid = gtk_grid_new ();
 601   gtk_container_add (GTK_CONTAINER (window), grid);
 602
 603   drag_icon = gdk_pixbuf_new_from_xpm_data (drag_icon_xpm);
 604   trashcan_open = gdk_pixbuf_new_from_xpm_data (trashcan_open_xpm);
 605   trashcan_closed = gdk_pixbuf_new_from_xpm_data (trashcan_closed_xpm);
 606
 607   label = gtk_label_new ("Drop Here\n");
 608
 609   gtk_drag_dest_set (label,
 610                      GTK_DEST_DEFAULT_ALL,
 611                      target_table, n_targets - 1, /* no rootwin */
 612                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
 613
 614   g_signal_connect (label, "drag_data_received",
 615                     G_CALLBACK( label_drag_data_received), NULL);
 616
 617   gtk_widget_set_hexpand (label, TRUE);
 618   gtk_widget_set_vexpand (label, TRUE);
 619   gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
 620
 621   label = gtk_label_new ("Popup\n");
 622
 623   gtk_drag_dest_set (label,
 624                      GTK_DEST_DEFAULT_ALL,
 625                      target_table, n_targets - 1, /* no rootwin */
 626                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
 627
 628   gtk_widget_set_hexpand (label, TRUE);
 629   gtk_widget_set_vexpand (label, TRUE);
 630   gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
 631
 632   g_signal_connect (label, "drag_motion",
 633                     G_CALLBACK (popsite_motion), NULL);
 634   g_signal_connect (label, "drag_leave",
 635                     G_CALLBACK (popsite_leave), NULL);
 636
 637   pixmap = gtk_image_new_from_pixbuf (trashcan_closed);
 638   gtk_drag_dest_set (pixmap, 0, NULL, 0, 0);
 639   gtk_widget_set_hexpand (pixmap, TRUE);
 640   gtk_widget_set_vexpand (pixmap, TRUE);
 641   gtk_grid_attach (GTK_GRID (grid), pixmap, 1, 0, 1, 1);
 642
 643   g_signal_connect (pixmap, "drag_leave",
 644                     G_CALLBACK (target_drag_leave), NULL);
 645
 646   g_signal_connect (pixmap, "drag_motion",
 647                     G_CALLBACK (target_drag_motion), NULL);
 648
 649   g_signal_connect (pixmap, "drag_drop",
 650                     G_CALLBACK (target_drag_drop), NULL);
 651
 652   g_signal_connect (pixmap, "drag_data_received",
 653                     G_CALLBACK (target_drag_data_received), NULL);
 654
 655   /* Drag site */
 656
 657   button = gtk_button_new_with_label ("Drag Here\n");
 658
 659   gtk_drag_source_set (button, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
 660                        target_table, n_targets,
 661                        GDK_ACTION_COPY | GDK_ACTION_MOVE);
 662   gtk_drag_source_set_icon_pixbuf (button, drag_icon);
 663
 664   g_object_unref (drag_icon);
 665
 666   gtk_widget_set_hexpand (button, TRUE);
 667   gtk_widget_set_vexpand (button, TRUE);
 668   gtk_grid_attach (GTK_GRID (grid), button, 0, 1, 1, 1);
 669
 670   g_signal_connect (button, "drag_data_get",
 671                     G_CALLBACK (source_drag_data_get), NULL);
 672   g_signal_connect (button, "drag_data_delete",
 673                     G_CALLBACK (source_drag_data_delete), NULL);
 674
 675   gtk_widget_show_all (window);
 676
 677   gtk_main ();
 678
 679   return 0;
 680 }