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

   1 #include "gtk/gtk.h"
   2
   3 /* Target side drag signals */
   4
   5 /* XPM */
   6 static char * drag_icon_xpm[] = {
   7 "36 48 9 1",
   8 "       c None",
   9 ".      c #020204",
  10 "+      c #8F8F90",
  11 "@      c #D3D3D2",
  12 "#      c #AEAEAC",
  13 "$      c #ECECEC",
  14 "%      c #A2A2A4",
  15 "&      c #FEFEFC",
  16 "*      c #BEBEBC",
  17 "               .....................",
  18 "              ..&&&&&&&&&&&&&&&&&&&.",
  19 "             ...&&&&&&&&&&&&&&&&&&&.",
  20 "            ..&.&&&&&&&&&&&&&&&&&&&.",
  21 "           ..&&.&&&&&&&&&&&&&&&&&&&.",
  22 "          ..&&&.&&&&&&&&&&&&&&&&&&&.",
  23 "         ..&&&&.&&&&&&&&&&&&&&&&&&&.",
  24 "        ..&&&&&.&&&@&&&&&&&&&&&&&&&.",
  25 "       ..&&&&&&.*$%$+$&&&&&&&&&&&&&.",
  26 "      ..&&&&&&&.%$%$+&&&&&&&&&&&&&&.",
  27 "     ..&&&&&&&&.#&#@$&&&&&&&&&&&&&&.",
  28 "    ..&&&&&&&&&.#$**#$&&&&&&&&&&&&&.",
  29 "   ..&&&&&&&&&&.&@%&%$&&&&&&&&&&&&&.",
  30 "  ..&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
  31 " ..&&&&&&&&&&&&.&&&&&&&&&&&&&&&&&&&.",
  32 "................&$@&&&@&&&&&&&&&&&&.",
  33 ".&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&&&&&.",
  34 ".&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&&&.",
  35 ".&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&&&.",
  36 ".&&&&&&@#@@$&*@&@#@#$**#$&&&&&&&&&&.",
  37 ".&&&&&&&&&&&&&&&&&&&@%&%$&&&&&&&&&&.",
  38 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  39 ".&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&&&.",
  40 ".&&&&&&&&&+&$+&$&@&$@&&$@&&&&&&&&&&.",
  41 ".&&&&&&&&&+&&#@%#+@#@*$%&+$&&&&&&&&.",
  42 ".&&&&&&&&&+&&#@#@&&@*%$%$+&&&&&&&&&.",
  43 ".&&&&&&&&&+&$%&#@&#@@#&#@$&&&&&&&&&.",
  44 ".&&&&&&&&@#@@$&*@&@#@#$#*#$&&&&&&&&.",
  45 ".&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&&&.",
  46 ".&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&&&&&.",
  47 ".&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&&&&&.",
  48 ".&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&&&&&.",
  49 ".&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&&&&&.",
  50 ".&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&&&&&.",
  51 ".&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&&&&&.",
  52 ".&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&&&&&.",
  53 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  54 ".&&&&&&&&&&&&&&$#@@$&&&&&&&&&&&&&&&.",
  55 ".&&&&&&&&&&&&&&&+&$%&$$@&$@&&$@&&&&.",
  56 ".&&&&&&&&&&&&&&&+&&#@%#+@#@*$%$+$&&.",
  57 ".&&&&&&&&&&&&&&&+&&#@#@&&@*#$%$+&&&.",
  58 ".&&&&&&&&&&&&&&&+&$+&*@&#@@#&#@$&&&.",
  59 ".&&&&&&&&&&&&&&$%@@&&*@&@#@#$#*#&&&.",
  60 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&$%&%$&&.",
  61 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  62 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  63 ".&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&.",
  64 "...................................."};
  65
  66 /* XPM */
  67 static char * trashcan_closed_xpm[] = {
  68 "64 80 17 1",
  69 "       c None",
  70 ".      c #030304",
  71 "+      c #5A5A5C",
  72 "@      c #323231",
  73 "#      c #888888",
  74 "$      c #1E1E1F",
  75 "%      c #767677",
  76 "&      c #494949",
  77 "*      c #9E9E9C",
  78 "=      c #111111",
  79 "-      c #3C3C3D",
  80 ";      c #6B6B6B",
  81 ">      c #949494",
  82 ",      c #282828",
  83 "'      c #808080",
  84 ")      c #545454",
  85 "!      c #AEAEAC",
  86 "                                                                ",
  87 "                                                                ",
  88 "                                                                ",
  89 "                                                                ",
  90 "                                                                ",
  91 "                                                                ",
  92 "                                                                ",
  93 "                                                                ",
  94 "                                                                ",
  95 "                                                                ",
  96 "                                                                ",
  97 "                                                                ",
  98 "                                                                ",
  99 "                                                                ",
 100 "                                                                ",
 101 "                                                                ",
 102 "                                                                ",
 103 "                                                                ",
 104 "                                                                ",
 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 /* XPM */
 168 static char * trashcan_open_xpm[] = {
 169 "64 80 17 1",
 170 "       c None",
 171 ".      c #030304",
 172 "+      c #5A5A5C",
 173 "@      c #323231",
 174 "#      c #888888",
 175 "$      c #1E1E1F",
 176 "%      c #767677",
 177 "&      c #494949",
 178 "*      c #9E9E9C",
 179 "=      c #111111",
 180 "-      c #3C3C3D",
 181 ";      c #6B6B6B",
 182 ">      c #949494",
 183 ",      c #282828",
 184 "'      c #808080",
 185 ")      c #545454",
 186 "!      c #AEAEAC",
 187 "                                                                ",
 188 "                                                                ",
 189 "                                                                ",
 190 "                                                                ",
 191 "                                                                ",
 192 "                                                                ",
 193 "                                      .=.==.,@                  ",
 194 "                                   ==.,@-&&&)-=                 ",
 195 "                                 .$@,&++;;;%>*-                 ",
 196 "                               $,-+)+++%%;;'#+.                 ",
 197 "                            =---+++++;%%%;%##@.                 ",
 198 "                           @)++++++++;%%%%'#%$                  ",
 199 "                         $&++++++++++;%%;%##@=                  ",
 200 "                       ,-++++)+++++++;;;'#%)                    ",
 201 "                      @+++&&--&)++++;;%'#'-.                    ",
 202 "                    ,&++-@@,,,,-)++;;;'>'+,                     ",
 203 "                  =-++&@$@&&&&-&+;;;%##%+@                      ",
 204 "                =,)+)-,@@&+++++;;;;%##%&@                       ",
 205 "               @--&&,,@&)++++++;;;;'#)@                         ",
 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 GdkPixmap *trashcan_open;
 269 GdkPixmap *trashcan_open_mask;
 270 GdkPixmap *trashcan_closed;
 271 GdkPixmap *trashcan_closed_mask;
 272
 273 gboolean have_drag;
 274
 275 enum {
 276   TARGET_STRING,
 277   TARGET_ROOTWIN
 278 };
 279
 280 static GtkTargetEntry target_table[] = {
 281   { "STRING",     0, TARGET_STRING },
 282   { "text/plain", 0, TARGET_STRING },
 283   { "application/x-rootwin-drop", 0, TARGET_ROOTWIN }
 284 };
 285
 286 static guint n_targets = sizeof(target_table) / sizeof(target_table[0]);
 287
 288 void
 289 target_drag_leave          (GtkWidget          *widget,
 290                             GdkDragContext     *context,
 291                             guint               time)
 292 {
 293   g_print("leave\n");
 294   have_drag = FALSE;
 295   gtk_pixmap_set (GTK_PIXMAP (widget), trashcan_closed, trashcan_closed_mask);
 296 }
 297
 298 gboolean
 299 target_drag_motion         (GtkWidget          *widget,
 300                             GdkDragContext     *context,
 301                             gint                x,
 302                             gint                y,
 303                             guint               time)
 304 {
 305   GtkWidget *source_widget;
 306
 307   if (!have_drag)
 308     {
 309       have_drag = TRUE;
 310       gtk_pixmap_set (GTK_PIXMAP (widget), trashcan_open, trashcan_open_mask);
 311     }
 312
 313   source_widget = gtk_drag_get_source_widget (context);
 314   g_print("motion, source %s\n", source_widget ?
 315             gtk_type_name (GTK_OBJECT (source_widget)->klass->type) :
 316             "unknown");
 317
 318   gdk_drag_status (context, context->suggested_action, time);
 319   return TRUE;
 320 }
 321
 322 gboolean
 323 target_drag_drop           (GtkWidget          *widget,
 324                             GdkDragContext     *context,
 325                             gint                x,
 326                             gint                y,
 327                             guint               time)
 328 {
 329   g_print("drop\n");
 330   have_drag = FALSE;
 331
 332   gtk_pixmap_set (GTK_PIXMAP (widget), trashcan_closed, trashcan_closed_mask);
 333
 334   if (context->targets)
 335     gtk_drag_get_data (widget, context,
 336                        GPOINTER_TO_INT (context->targets->data),
 337                        time);
 338
 339   return FALSE;
 340 }
 341
 342 void
 343 target_drag_data_received  (GtkWidget          *widget,
 344                             GdkDragContext     *context,
 345                             gint                x,
 346                             gint                y,
 347                             GtkSelectionData   *data,
 348                             guint               info,
 349                             guint               time)
 350 {
 351   if ((data->length >= 0) && (data->format == 8))
 352     {
 353       g_print ("Received \"%s\" in trashcan\n", (gchar *)data->data);
 354       gtk_drag_finish (context, TRUE, FALSE, time);
 355       return;
 356     }
 357
 358   gtk_drag_finish (context, FALSE, FALSE, time);
 359 }
 360
 361 void
 362 label_drag_data_received  (GtkWidget          *widget,
 363                             GdkDragContext     *context,
 364                             gint                x,
 365                             gint                y,
 366                             GtkSelectionData   *data,
 367                             guint               info,
 368                             guint               time)
 369 {
 370   if ((data->length >= 0) && (data->format == 8))
 371     {
 372       g_print ("Received \"%s\" in label\n", (gchar *)data->data);
 373       gtk_drag_finish (context, TRUE, FALSE, time);
 374       return;
 375     }
 376
 377   gtk_drag_finish (context, FALSE, FALSE, time);
 378 }
 379
 380 void
 381 source_drag_data_get  (GtkWidget          *widget,
 382                        GdkDragContext     *context,
 383                        GtkSelectionData   *selection_data,
 384                        guint               info,
 385                        guint               time,
 386                        gpointer            data)
 387 {
 388   if (info == TARGET_ROOTWIN)
 389     g_print ("I was dropped on the rootwin\n");
 390   else
 391     gtk_selection_data_set (selection_data,
 392                             selection_data->target,
 393                             8, "I'm Data!", 9);
 394 }
 395
 396 /* The following is a rather elaborate example demonstrating/testing
 397  * changing of the window heirarchy during a drag - in this case,
 398  * via a "spring-loaded" popup window.
 399  */
 400 static GtkWidget *popup_window = NULL;
 401
 402 static gboolean popped_up = FALSE;
 403 static gboolean in_popup = FALSE;
 404 static guint popdown_timer = 0;
 405 static guint popup_timer = 0;
 406
 407 gint
 408 popdown_cb (gpointer data)
 409 {
 410   popdown_timer = 0;
 411
 412   gtk_widget_hide (popup_window);
 413   popped_up = FALSE;
 414
 415   return FALSE;
 416 }
 417
 418 gboolean
 419 popup_motion       (GtkWidget          *widget,
 420                     GdkDragContext     *context,
 421                     gint                x,
 422                     gint                y,
 423                     guint               time)
 424 {
 425   if (!in_popup)
 426     {
 427       in_popup = TRUE;
 428       if (popdown_timer)
 429         {
 430           g_print ("removed popdown\n");
 431           gtk_timeout_remove (popdown_timer);
 432           popdown_timer = 0;
 433         }
 434     }
 435
 436   return TRUE;
 437 }
 438
 439 void
 440 popup_leave        (GtkWidget          *widget,
 441                     GdkDragContext     *context,
 442                     guint               time)
 443 {
 444   if (in_popup)
 445     {
 446       in_popup = FALSE;
 447       if (!popdown_timer)
 448         {
 449           g_print ("added popdown\n");
 450           popdown_timer = gtk_timeout_add (500, popdown_cb, NULL);
 451         }
 452     }
 453 }
 454
 455 gint
 456 popup_cb (gpointer data)
 457 {
 458   if (!popped_up)
 459     {
 460       if (!popup_window)
 461         {
 462           GtkWidget *button;
 463           GtkWidget *table;
 464           int i, j;
 465
 466           popup_window = gtk_window_new (GTK_WINDOW_POPUP);
 467           gtk_window_set_position (GTK_WINDOW (popup_window), GTK_WIN_POS_MOUSE);
 468
 469           table = gtk_table_new (3,3, FALSE);
 470
 471           for (i=0; i<3; i++)
 472             for (j=0; j<3; j++)
 473               {
 474                 char buffer[128];
 475                 g_snprintf(buffer, sizeof(buffer), "%d,%d", i, j);
 476                 button = gtk_button_new_with_label (buffer);
 477                 gtk_table_attach (GTK_TABLE (table), button, i, i+1, j, j+1,
 478                                   GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
 479                                   0, 0);
 480
 481                 gtk_drag_dest_set (button,
 482                                    GTK_DEST_DEFAULT_ALL,
 483                                    target_table, n_targets - 1, /* no rootwin */
 484                                    GDK_ACTION_COPY | GDK_ACTION_MOVE);
 485                 gtk_signal_connect (GTK_OBJECT (button), "drag_motion",
 486                                     GTK_SIGNAL_FUNC (popup_motion), NULL);
 487                 gtk_signal_connect (GTK_OBJECT (button), "drag_leave",
 488                                     GTK_SIGNAL_FUNC (popup_leave), NULL);
 489               }
 490
 491           gtk_widget_show_all (table);
 492           gtk_container_add (GTK_CONTAINER (popup_window), table);
 493
 494         }
 495       gtk_widget_show (popup_window);
 496       popped_up = TRUE;
 497     }
 498
 499   popdown_timer = gtk_timeout_add (500, popdown_cb, NULL);
 500   g_print ("added popdown\n");
 501
 502   popup_timer = FALSE;
 503
 504   return FALSE;
 505 }
 506
 507 gboolean
 508 popsite_motion     (GtkWidget          *widget,
 509                     GdkDragContext     *context,
 510                     gint                x,
 511                     gint                y,
 512                     guint               time)
 513 {
 514   if (!popup_timer)
 515     popup_timer = gtk_timeout_add (500, popup_cb, NULL);
 516
 517   return TRUE;
 518 }
 519
 520 void
 521 popsite_leave      (GtkWidget          *widget,
 522                     GdkDragContext     *context,
 523                     guint               time)
 524 {
 525   if (popup_timer)
 526     {
 527       gtk_timeout_remove (popup_timer);
 528       popup_timer = 0;
 529     }
 530 }
 531
 532 void
 533 source_drag_data_delete  (GtkWidget          *widget,
 534                           GdkDragContext     *context,
 535                           gpointer            data)
 536 {
 537   g_print ("Delete the data!\n");
 538 }
 539
 540 int
 541 main (int argc, char **argv)
 542 {
 543   GtkWidget *window;
 544   GtkWidget *table;
 545   GtkWidget *label;
 546   GtkWidget *pixmap;
 547   GtkWidget *button;
 548   GdkPixmap *drag_icon;
 549   GdkPixmap *drag_mask;
 550
 551   gtk_init (&argc, &argv);
 552
 553   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 554   gtk_signal_connect (GTK_OBJECT(window), "destroy",
 555                       GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
 556
 557
 558   table = gtk_table_new (2, 2, FALSE);
 559   gtk_container_add (GTK_CONTAINER (window), table);
 560
 561   drag_icon = gdk_pixmap_colormap_create_from_xpm_d (NULL,
 562                                                      gtk_widget_get_colormap (window),
 563                                                      &drag_mask,
 564                                                      NULL, drag_icon_xpm);
 565
 566   trashcan_open = gdk_pixmap_colormap_create_from_xpm_d (NULL,
 567                                                          gtk_widget_get_colormap (window),
 568                                                          &trashcan_open_mask,
 569                                                          NULL, trashcan_open_xpm);
 570   trashcan_closed = gdk_pixmap_colormap_create_from_xpm_d (NULL,
 571                                                            gtk_widget_get_colormap (window),
 572                                                            &trashcan_closed_mask,
 573                                                            NULL, trashcan_closed_xpm);
 574
 575   label = gtk_label_new ("Drop Here\n");
 576
 577   gtk_drag_dest_set (label,
 578                      GTK_DEST_DEFAULT_ALL,
 579                      target_table, n_targets - 1, /* no rootwin */
 580                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
 581
 582   gtk_signal_connect( GTK_OBJECT(label), "drag_data_received",
 583                       GTK_SIGNAL_FUNC( label_drag_data_received), NULL);
 584
 585   gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
 586                     GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
 587                     0, 0);
 588
 589   label = gtk_label_new ("Popup\n");
 590
 591   gtk_drag_dest_set (label,
 592                      GTK_DEST_DEFAULT_ALL,
 593                      target_table, n_targets - 1, /* no rootwin */
 594                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
 595
 596   gtk_table_attach (GTK_TABLE (table), label, 1, 2, 1, 2,
 597                     GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
 598                     0, 0);
 599
 600   gtk_signal_connect (GTK_OBJECT (label), "drag_motion",
 601                       GTK_SIGNAL_FUNC (popsite_motion), NULL);
 602   gtk_signal_connect (GTK_OBJECT (label), "drag_leave",
 603                       GTK_SIGNAL_FUNC (popsite_leave), NULL);
 604
 605   pixmap = gtk_pixmap_new (trashcan_closed, trashcan_closed_mask);
 606   gtk_drag_dest_set (pixmap, 0, NULL, 0, 0);
 607   gtk_table_attach (GTK_TABLE (table), pixmap, 1, 2, 0, 1,
 608                     GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
 609                     0, 0);
 610
 611   gtk_signal_connect (GTK_OBJECT (pixmap), "drag_leave",
 612                       GTK_SIGNAL_FUNC (target_drag_leave), NULL);
 613
 614   gtk_signal_connect (GTK_OBJECT (pixmap), "drag_motion",
 615                       GTK_SIGNAL_FUNC (target_drag_motion), NULL);
 616
 617   gtk_signal_connect (GTK_OBJECT (pixmap), "drag_drop",
 618                       GTK_SIGNAL_FUNC (target_drag_drop), NULL);
 619
 620   gtk_signal_connect (GTK_OBJECT (pixmap), "drag_data_received",
 621                       GTK_SIGNAL_FUNC (target_drag_data_received), NULL);
 622
 623   /* Drag site */
 624
 625   button = gtk_button_new_with_label ("Drag Here\n");
 626
 627   gtk_drag_source_set (button, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
 628                        target_table, n_targets,
 629                        GDK_ACTION_COPY | GDK_ACTION_MOVE);
 630   gtk_drag_source_set_icon (button,
 631                             gtk_widget_get_colormap (window),
 632                             drag_icon, drag_mask);
 633
 634   gdk_pixmap_unref (drag_icon);
 635   gdk_pixmap_unref (drag_mask);
 636
 637   gtk_table_attach (GTK_TABLE (table), button, 0, 1, 1, 2,
 638                     GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
 639                     0, 0);
 640
 641   gtk_signal_connect (GTK_OBJECT (button), "drag_data_get",
 642                       GTK_SIGNAL_FUNC (source_drag_data_get), NULL);
 643   gtk_signal_connect (GTK_OBJECT (button), "drag_data_delete",
 644                       GTK_SIGNAL_FUNC (source_drag_data_delete), NULL);
 645
 646   gtk_widget_show_all (window);
 647
 648   gtk_main ();
 649
 650   return 0;
 651 }