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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser 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.
   8  *
   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  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #undef GTK_DISABLE_DEPRECATED
  28
  29 #include <config.h>
  30 #include <string.h>
  31 #include "gdk/gdkkeysyms.h"
  32 #include "gdk/gdki18n.h"
  33 #include "gtkclipboard.h"
  34 #include "gtkoldeditable.h"
  35 #include "gtkmain.h"
  36 #include "gtkmarshalers.h"
  37 #include "gtkselection.h"
  38 #include "gtksignal.h"
  39 #include "gtkintl.h"
  40
  41 #define GTK_DISABLE_DEPRECATED
  42 #include "gtkalias.h"
  43
  44 #define MIN_EDITABLE_WIDTH  150
  45 #define DRAW_TIMEOUT     20
  46 #define INNER_BORDER     2
  47
  48 enum {
  49   /* Binding actions */
  50   ACTIVATE,
  51   SET_EDITABLE,
  52   MOVE_CURSOR,
  53   MOVE_WORD,
  54   MOVE_PAGE,
  55   MOVE_TO_ROW,
  56   MOVE_TO_COLUMN,
  57   KILL_CHAR,
  58   KILL_WORD,
  59   KILL_LINE,
  60   CUT_CLIPBOARD,
  61   COPY_CLIPBOARD,
  62   PASTE_CLIPBOARD,
  63   LAST_SIGNAL
  64 };
  65
  66 enum {
  67   ARG_0,
  68   ARG_TEXT_POSITION,
  69   ARG_EDITABLE
  70 };
  71
  72 /* values for selection info */
  73
  74 enum {
  75   TARGET_STRING,
  76   TARGET_TEXT,
  77   TARGET_COMPOUND_TEXT
  78 };
  79
  80 static void  gtk_old_editable_editable_init        (GtkEditableClass    *iface);
  81 static void  gtk_old_editable_set_arg              (GtkObject           *object,
  82                                                     GtkArg              *arg,
  83                                                     guint                arg_id);
  84 static void  gtk_old_editable_get_arg              (GtkObject           *object,
  85                                                     GtkArg              *arg,
  86                                                     guint                arg_id);
  87 static void *gtk_old_editable_get_public_chars     (GtkOldEditable      *old_editable,
  88                                                     gint                 start,
  89                                                     gint                 end);
  90
  91 static gint gtk_old_editable_selection_clear    (GtkWidget         *widget,
  92                                                  GdkEventSelection *event);
  93 static void gtk_old_editable_selection_get      (GtkWidget         *widget,
  94                                                  GtkSelectionData  *selection_data,
  95                                                  guint              info,
  96                                                  guint              time);
  97 static void gtk_old_editable_selection_received (GtkWidget         *widget,
  98                                                  GtkSelectionData  *selection_data,
  99                                                  guint              time);
 100
 101 static void  gtk_old_editable_set_selection        (GtkOldEditable      *old_editable,
 102                                                     gint                 start,
 103                                                     gint                 end);
 104
 105 static void gtk_old_editable_real_set_editable    (GtkOldEditable *old_editable,
 106                                                    gboolean        is_editable);
 107 static void gtk_old_editable_real_cut_clipboard   (GtkOldEditable *old_editable);
 108 static void gtk_old_editable_real_copy_clipboard  (GtkOldEditable *old_editable);
 109 static void gtk_old_editable_real_paste_clipboard (GtkOldEditable *old_editable);
 110
 111 static void     gtk_old_editable_insert_text         (GtkEditable *editable,
 112                                                       const gchar *new_text,
 113                                                       gint         new_text_length,
 114                                                       gint        *position);
 115 static void     gtk_old_editable_delete_text         (GtkEditable *editable,
 116                                                       gint         start_pos,
 117                                                       gint         end_pos);
 118 static gchar *  gtk_old_editable_get_chars           (GtkEditable *editable,
 119                                                       gint         start,
 120                                                       gint         end);
 121 static void     gtk_old_editable_set_selection_bounds (GtkEditable *editable,
 122                                                        gint         start,
 123                                                        gint         end);
 124 static gboolean gtk_old_editable_get_selection_bounds (GtkEditable *editable,
 125                                                        gint        *start,
 126                                                        gint        *end);
 127 static void     gtk_old_editable_set_position        (GtkEditable *editable,
 128                                                       gint         position);
 129 static gint     gtk_old_editable_get_position        (GtkEditable *editable);
 130
 131 static guint editable_signals[LAST_SIGNAL] = { 0 };
 132
 133 G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkOldEditable, gtk_old_editable, GTK_TYPE_WIDGET,
 134                                   G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
 135                                                          gtk_old_editable_editable_init))
 136
 137 static void
 138 gtk_old_editable_class_init (GtkOldEditableClass *class)
 139 {
 140   GtkObjectClass *object_class;
 141   GtkWidgetClass *widget_class;
 142
 143   object_class = (GtkObjectClass*) class;
 144   widget_class = (GtkWidgetClass*) class;
 145
 146   object_class->set_arg = gtk_old_editable_set_arg;
 147   object_class->get_arg = gtk_old_editable_get_arg;
 148
 149   widget_class->selection_clear_event = gtk_old_editable_selection_clear;
 150   widget_class->selection_received = gtk_old_editable_selection_received;
 151   widget_class->selection_get = gtk_old_editable_selection_get;
 152
 153   class->activate = NULL;
 154   class->set_editable = gtk_old_editable_real_set_editable;
 155
 156   class->move_cursor = NULL;
 157   class->move_word = NULL;
 158   class->move_page = NULL;
 159   class->move_to_row = NULL;
 160   class->move_to_column = NULL;
 161
 162   class->kill_char = NULL;
 163   class->kill_word = NULL;
 164   class->kill_line = NULL;
 165
 166   class->cut_clipboard = gtk_old_editable_real_cut_clipboard;
 167   class->copy_clipboard = gtk_old_editable_real_copy_clipboard;
 168   class->paste_clipboard = gtk_old_editable_real_paste_clipboard;
 169
 170   class->update_text = NULL;
 171   class->get_chars = NULL;
 172   class->set_selection = NULL;
 173   class->set_position = NULL;
 174
 175   editable_signals[ACTIVATE] =
 176     gtk_signal_new (I_("activate"),
 177                     GTK_RUN_LAST | GTK_RUN_ACTION,
 178                     GTK_CLASS_TYPE (object_class),
 179                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, activate),
 180                     _gtk_marshal_NONE__NONE,
 181                     GTK_TYPE_NONE, 0);
 182   widget_class->activate_signal = editable_signals[ACTIVATE];
 183
 184   editable_signals[SET_EDITABLE] =
 185     gtk_signal_new (I_("set-editable"),
 186                     GTK_RUN_LAST | GTK_RUN_ACTION,
 187                     GTK_CLASS_TYPE (object_class),
 188                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, set_editable),
 189                     _gtk_marshal_NONE__BOOLEAN,
 190                     GTK_TYPE_NONE, 1,
 191                     GTK_TYPE_BOOL);
 192
 193   editable_signals[MOVE_CURSOR] =
 194     gtk_signal_new (I_("move_cursor"),
 195                     GTK_RUN_LAST | GTK_RUN_ACTION,
 196                     GTK_CLASS_TYPE (object_class),
 197                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_cursor),
 198                     _gtk_marshal_NONE__INT_INT,
 199                     GTK_TYPE_NONE, 2,
 200                     GTK_TYPE_INT,
 201                     GTK_TYPE_INT);
 202
 203   editable_signals[MOVE_WORD] =
 204     gtk_signal_new (I_("move_word"),
 205                     GTK_RUN_LAST | GTK_RUN_ACTION,
 206                     GTK_CLASS_TYPE (object_class),
 207                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_word),
 208                     _gtk_marshal_NONE__INT,
 209                     GTK_TYPE_NONE, 1,
 210                     GTK_TYPE_INT);
 211
 212   editable_signals[MOVE_PAGE] =
 213     gtk_signal_new (I_("move_page"),
 214                     GTK_RUN_LAST | GTK_RUN_ACTION,
 215                     GTK_CLASS_TYPE (object_class),
 216                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_page),
 217                     _gtk_marshal_NONE__INT_INT,
 218                     GTK_TYPE_NONE, 2,
 219                     GTK_TYPE_INT,
 220                     GTK_TYPE_INT);
 221
 222   editable_signals[MOVE_TO_ROW] =
 223     gtk_signal_new (I_("move_to_row"),
 224                     GTK_RUN_LAST | GTK_RUN_ACTION,
 225                     GTK_CLASS_TYPE (object_class),
 226                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_to_row),
 227                     _gtk_marshal_NONE__INT,
 228                     GTK_TYPE_NONE, 1,
 229                     GTK_TYPE_INT);
 230
 231   editable_signals[MOVE_TO_COLUMN] =
 232     gtk_signal_new (I_("move_to_column"),
 233                     GTK_RUN_LAST | GTK_RUN_ACTION,
 234                     GTK_CLASS_TYPE (object_class),
 235                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_to_column),
 236                     _gtk_marshal_NONE__INT,
 237                     GTK_TYPE_NONE, 1,
 238                     GTK_TYPE_INT);
 239
 240   editable_signals[KILL_CHAR] =
 241     gtk_signal_new (I_("kill_char"),
 242                     GTK_RUN_LAST | GTK_RUN_ACTION,
 243                     GTK_CLASS_TYPE (object_class),
 244                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_char),
 245                     _gtk_marshal_NONE__INT,
 246                     GTK_TYPE_NONE, 1,
 247                     GTK_TYPE_INT);
 248
 249   editable_signals[KILL_WORD] =
 250     gtk_signal_new (I_("kill_word"),
 251                     GTK_RUN_LAST | GTK_RUN_ACTION,
 252                     GTK_CLASS_TYPE (object_class),
 253                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_word),
 254                     _gtk_marshal_NONE__INT,
 255                     GTK_TYPE_NONE, 1,
 256                     GTK_TYPE_INT);
 257
 258   editable_signals[KILL_LINE] =
 259     gtk_signal_new (I_("kill_line"),
 260                     GTK_RUN_LAST | GTK_RUN_ACTION,
 261                     GTK_CLASS_TYPE (object_class),
 262                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_line),
 263                     _gtk_marshal_NONE__INT,
 264                     GTK_TYPE_NONE, 1,
 265                     GTK_TYPE_INT);
 266
 267   editable_signals[CUT_CLIPBOARD] =
 268     gtk_signal_new (I_("cut_clipboard"),
 269                     GTK_RUN_LAST | GTK_RUN_ACTION,
 270                     GTK_CLASS_TYPE (object_class),
 271                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, cut_clipboard),
 272                     _gtk_marshal_NONE__NONE,
 273                     GTK_TYPE_NONE, 0);
 274
 275   editable_signals[COPY_CLIPBOARD] =
 276     gtk_signal_new (I_("copy_clipboard"),
 277                     GTK_RUN_LAST | GTK_RUN_ACTION,
 278                     GTK_CLASS_TYPE (object_class),
 279                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, copy_clipboard),
 280                     _gtk_marshal_NONE__NONE,
 281                     GTK_TYPE_NONE, 0);
 282
 283   editable_signals[PASTE_CLIPBOARD] =
 284     gtk_signal_new (I_("paste_clipboard"),
 285                     GTK_RUN_LAST | GTK_RUN_ACTION,
 286                     GTK_CLASS_TYPE (object_class),
 287                     GTK_SIGNAL_OFFSET (GtkOldEditableClass, paste_clipboard),
 288                     _gtk_marshal_NONE__NONE,
 289                     GTK_TYPE_NONE, 0);
 290
 291   gtk_object_add_arg_type ("GtkOldEditable::text-position", GTK_TYPE_INT, GTK_ARG_READWRITE | G_PARAM_STATIC_NAME, ARG_TEXT_POSITION);
 292   gtk_object_add_arg_type ("GtkOldEditable::editable", GTK_TYPE_BOOL, GTK_ARG_READWRITE | G_PARAM_STATIC_NAME, ARG_EDITABLE);
 293 }
 294
 295 static void
 296 gtk_old_editable_editable_init (GtkEditableClass *iface)
 297 {
 298   iface->do_insert_text = gtk_old_editable_insert_text;
 299   iface->do_delete_text = gtk_old_editable_delete_text;
 300   iface->get_chars = gtk_old_editable_get_chars;
 301   iface->set_selection_bounds = gtk_old_editable_set_selection_bounds;
 302   iface->get_selection_bounds = gtk_old_editable_get_selection_bounds;
 303   iface->set_position = gtk_old_editable_set_position;
 304   iface->get_position = gtk_old_editable_get_position;
 305 }
 306
 307 static void
 308 gtk_old_editable_set_arg (GtkObject *object,
 309                           GtkArg    *arg,
 310                           guint      arg_id)
 311 {
 312   GtkEditable *editable = GTK_EDITABLE (object);
 313
 314   switch (arg_id)
 315     {
 316     case ARG_TEXT_POSITION:
 317       gtk_editable_set_position (editable, GTK_VALUE_INT (*arg));
 318       break;
 319     case ARG_EDITABLE:
 320       gtk_signal_emit (object, editable_signals[SET_EDITABLE],
 321                        GTK_VALUE_BOOL (*arg) != FALSE);
 322       break;
 323     default:
 324       break;
 325     }
 326 }
 327
 328 static void
 329 gtk_old_editable_get_arg (GtkObject *object,
 330                           GtkArg    *arg,
 331                           guint      arg_id)
 332 {
 333   GtkOldEditable *old_editable;
 334
 335   old_editable = GTK_OLD_EDITABLE (object);
 336
 337   switch (arg_id)
 338     {
 339     case ARG_TEXT_POSITION:
 340       GTK_VALUE_INT (*arg) = old_editable->current_pos;
 341       break;
 342     case ARG_EDITABLE:
 343       GTK_VALUE_BOOL (*arg) = old_editable->editable;
 344       break;
 345     default:
 346       arg->type = GTK_TYPE_INVALID;
 347       break;
 348     }
 349 }
 350
 351 static void
 352 gtk_old_editable_init (GtkOldEditable *old_editable)
 353 {
 354   static const GtkTargetEntry targets[] = {
 355     { "UTF8_STRING", 0, 0 },
 356     { "STRING", 0, 0 },
 357     { "TEXT",   0, 0 },
 358     { "COMPOUND_TEXT", 0, 0 }
 359   };
 360
 361   GTK_WIDGET_SET_FLAGS (old_editable, GTK_CAN_FOCUS);
 362
 363   old_editable->selection_start_pos = 0;
 364   old_editable->selection_end_pos = 0;
 365   old_editable->has_selection = FALSE;
 366   old_editable->editable = 1;
 367   old_editable->visible = 1;
 368   old_editable->clipboard_text = NULL;
 369
 370   gtk_selection_add_targets (GTK_WIDGET (old_editable), GDK_SELECTION_PRIMARY,
 371                              targets, G_N_ELEMENTS (targets));
 372 }
 373
 374 static void
 375 gtk_old_editable_insert_text (GtkEditable *editable,
 376                               const gchar *new_text,
 377                               gint         new_text_length,
 378                               gint        *position)
 379 {
 380   gchar buf[64];
 381   gchar *text;
 382
 383   gtk_widget_ref (GTK_WIDGET (editable));
 384
 385   if (new_text_length <= 63)
 386     text = buf;
 387   else
 388     text = g_new (gchar, new_text_length + 1);
 389
 390   text[new_text_length] = '\0';
 391   strncpy (text, new_text, new_text_length);
 392
 393   g_signal_emit_by_name (editable, "insert_text", text, new_text_length,
 394                          position);
 395   g_signal_emit_by_name (editable, "changed");
 396
 397   if (new_text_length > 63)
 398     g_free (text);
 399
 400   gtk_widget_unref (GTK_WIDGET (editable));
 401 }
 402
 403 static void
 404 gtk_old_editable_delete_text (GtkEditable *editable,
 405                               gint         start_pos,
 406                               gint         end_pos)
 407 {
 408   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
 409
 410   gtk_widget_ref (GTK_WIDGET (old_editable));
 411
 412   g_signal_emit_by_name (editable, "delete_text", start_pos, end_pos);
 413   g_signal_emit_by_name (editable, "changed");
 414
 415   if (old_editable->selection_start_pos == old_editable->selection_end_pos &&
 416       old_editable->has_selection)
 417     gtk_old_editable_claim_selection (old_editable, FALSE, GDK_CURRENT_TIME);
 418
 419   gtk_widget_unref (GTK_WIDGET (old_editable));
 420 }
 421
 422 static void
 423 gtk_old_editable_update_text (GtkOldEditable *old_editable,
 424                               gint            start_pos,
 425                               gint            end_pos)
 426 {
 427   GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (old_editable);
 428   klass->update_text (GTK_OLD_EDITABLE (old_editable), start_pos, end_pos);
 429 }
 430
 431 static gchar *
 432 gtk_old_editable_get_chars  (GtkEditable      *editable,
 433                              gint              start,
 434                              gint              end)
 435 {
 436   GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (editable);
 437   return klass->get_chars (GTK_OLD_EDITABLE (editable), start, end);
 438 }
 439
 440 /*
 441  * Like gtk_editable_get_chars, but if the editable is not
 442  * visible, return asterisks; also convert result to UTF-8.
 443  */
 444 static void *
 445 gtk_old_editable_get_public_chars (GtkOldEditable   *old_editable,
 446                                    gint              start,
 447                                    gint              end)
 448 {
 449   gchar *str = NULL;
 450   const gchar *charset;
 451   gboolean need_conversion = !g_get_charset (&charset);
 452
 453   if (old_editable->visible)
 454     {
 455       GError *error = NULL;
 456       gchar *tmp = gtk_editable_get_chars (GTK_EDITABLE (old_editable), start, end);
 457
 458       if (need_conversion)
 459         {
 460           str = g_convert (tmp, -1,
 461                            "UTF-8", charset,
 462                            NULL, NULL, &error);
 463
 464           if (!str)
 465             {
 466               g_warning ("Cannot convert text from charset to UTF-8 %s: %s", charset, error->message);
 467               g_error_free (error);
 468             }
 469
 470           g_free (tmp);
 471         }
 472       else
 473         str = tmp;
 474     }
 475   else
 476     {
 477       gint i;
 478       gint nchars = end - start;
 479
 480       if (nchars < 0)
 481         nchars = -nchars;
 482
 483       str = g_new (gchar, nchars + 1);
 484       for (i = 0; i<nchars; i++)
 485         str[i] = '*';
 486       str[i] = '\0';
 487     }
 488
 489   return str;
 490 }
 491
 492 static void
 493 gtk_old_editable_set_selection (GtkOldEditable *old_editable,
 494                                 gint            start_pos,
 495                                 gint            end_pos)
 496 {
 497   GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (old_editable);
 498   klass->set_selection (old_editable, start_pos, end_pos);
 499 }
 500
 501 static void
 502 gtk_old_editable_set_position (GtkEditable *editable,
 503                                gint            position)
 504 {
 505   GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (editable);
 506
 507   klass->set_position (GTK_OLD_EDITABLE (editable), position);
 508 }
 509
 510 static gint
 511 gtk_old_editable_get_position (GtkEditable *editable)
 512 {
 513   return GTK_OLD_EDITABLE (editable)->current_pos;
 514 }
 515
 516 static gint
 517 gtk_old_editable_selection_clear (GtkWidget         *widget,
 518                                   GdkEventSelection *event)
 519 {
 520   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
 521
 522   /* Let the selection handling code know that the selection
 523    * has been changed, since we've overriden the default handler */
 524   if (!GTK_WIDGET_CLASS (gtk_old_editable_parent_class)->selection_clear_event (widget, event))
 525     return FALSE;
 526
 527   if (old_editable->has_selection)
 528     {
 529       old_editable->has_selection = FALSE;
 530       gtk_old_editable_update_text (old_editable, old_editable->selection_start_pos,
 531                                     old_editable->selection_end_pos);
 532     }
 533
 534   return TRUE;
 535 }
 536
 537 static void
 538 gtk_old_editable_selection_get (GtkWidget        *widget,
 539                                 GtkSelectionData *selection_data,
 540                                 guint             info,
 541                                 guint             time)
 542 {
 543   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
 544   gint selection_start_pos;
 545   gint selection_end_pos;
 546
 547   gchar *str;
 548
 549   selection_start_pos = MIN (old_editable->selection_start_pos, old_editable->selection_end_pos);
 550   selection_end_pos = MAX (old_editable->selection_start_pos, old_editable->selection_end_pos);
 551
 552   str = gtk_old_editable_get_public_chars (old_editable,
 553                                            selection_start_pos,
 554                                            selection_end_pos);
 555
 556   if (str)
 557     {
 558       gtk_selection_data_set_text (selection_data, str, -1);
 559       g_free (str);
 560     }
 561 }
 562
 563 static void
 564 gtk_old_editable_paste_received (GtkOldEditable *old_editable,
 565                                  const gchar    *text,
 566                                  gboolean        is_clipboard)
 567 {
 568   const gchar *str = NULL;
 569   const gchar *charset;
 570   gboolean need_conversion = FALSE;
 571
 572   if (text)
 573     {
 574       GError *error = NULL;
 575
 576       need_conversion = !g_get_charset (&charset);
 577
 578       if (need_conversion)
 579         {
 580           str = g_convert_with_fallback (text, -1,
 581                                          charset, "UTF-8", NULL,
 582                                          NULL, NULL, &error);
 583           if (!str)
 584             {
 585               g_warning ("Cannot convert text from UTF-8 to %s: %s",
 586                          charset, error->message);
 587               g_error_free (error);
 588               return;
 589             }
 590         }
 591       else
 592         str = text;
 593     }
 594
 595   if (str)
 596     {
 597       gboolean reselect;
 598       gint old_pos;
 599       gint tmp_pos;
 600
 601       reselect = FALSE;
 602
 603       if ((old_editable->selection_start_pos != old_editable->selection_end_pos) &&
 604           (!old_editable->has_selection || is_clipboard))
 605         {
 606           reselect = TRUE;
 607
 608           /* Don't want to call gtk_editable_delete_selection here if we are going
 609            * to reclaim the selection to avoid extra server traffic */
 610           if (old_editable->has_selection)
 611             {
 612               gtk_editable_delete_text (GTK_EDITABLE (old_editable),
 613                                         MIN (old_editable->selection_start_pos, old_editable->selection_end_pos),
 614                                         MAX (old_editable->selection_start_pos, old_editable->selection_end_pos));
 615             }
 616           else
 617             gtk_editable_delete_selection (GTK_EDITABLE (old_editable));
 618         }
 619
 620       tmp_pos = old_pos = old_editable->current_pos;
 621
 622       gtk_editable_insert_text (GTK_EDITABLE (old_editable), str, -1, &tmp_pos);
 623
 624       if (reselect)
 625         gtk_old_editable_set_selection (old_editable, old_pos, old_editable->current_pos);
 626
 627       if (str && str != text)
 628         g_free ((gchar *) str);
 629     }
 630 }
 631
 632 static void
 633 gtk_old_editable_selection_received  (GtkWidget         *widget,
 634                                       GtkSelectionData  *selection_data,
 635                                       guint              time)
 636 {
 637   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
 638
 639   guchar *text = gtk_selection_data_get_text (selection_data);
 640
 641   if (!text)
 642     {
 643       /* If we asked for UTF8 and didn't get it, try text; if we asked
 644        * for text and didn't get it, try string.  If we asked for
 645        * anything else and didn't get it, give up.
 646        */
 647       if (selection_data->target == gdk_atom_intern_static_string ("UTF8_STRING"))
 648         {
 649           gtk_selection_convert (widget, GDK_SELECTION_PRIMARY,
 650                                  gdk_atom_intern_static_string ("TEXT"),
 651                                  time);
 652           return;
 653         }
 654       else if (selection_data->target == gdk_atom_intern_static_string ("TEXT"))
 655         {
 656           gtk_selection_convert (widget, GDK_SELECTION_PRIMARY,
 657                                  GDK_TARGET_STRING,
 658                                  time);
 659           return;
 660         }
 661     }
 662
 663   if (text)
 664     {
 665       gtk_old_editable_paste_received (old_editable, (gchar *) text, FALSE);
 666       g_free (text);
 667     }
 668 }
 669
 670 static void
 671 old_editable_text_received_cb (GtkClipboard *clipboard,
 672                                const gchar  *text,
 673                                gpointer      data)
 674 {
 675   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (data);
 676
 677   gtk_old_editable_paste_received (old_editable, text, TRUE);
 678   g_object_unref (G_OBJECT (old_editable));
 679 }
 680
 681 /**
 682  * gtk_old_editable_claim_selection:
 683  * @old_editable: a #GtkOldEditable
 684  * @claim: if %TRUE, claim ownership of the selection, if %FALSE, give
 685  *   up ownership
 686  * @time_: timestamp for this operation
 687  *
 688  * Claims or gives up ownership of the selection.
 689  */
 690 void
 691 gtk_old_editable_claim_selection (GtkOldEditable *old_editable,
 692                                   gboolean        claim,
 693                                   guint32         time)
 694 {
 695   GtkWidget *widget = GTK_WIDGET (old_editable);
 696   GdkDisplay *display = gtk_widget_get_display (widget);
 697
 698   g_return_if_fail (GTK_IS_OLD_EDITABLE (old_editable));
 699   g_return_if_fail (GTK_WIDGET_REALIZED (old_editable));
 700
 701   old_editable->has_selection = FALSE;
 702
 703   if (claim)
 704     {
 705       if (gtk_selection_owner_set_for_display (display, widget,
 706                                                GDK_SELECTION_PRIMARY, time))
 707         old_editable->has_selection = TRUE;
 708     }
 709   else
 710     {
 711       if (gdk_selection_owner_get_for_display (display, GDK_SELECTION_PRIMARY) == widget->window)
 712         gtk_selection_owner_set_for_display (display,
 713                                              NULL,
 714                                              GDK_SELECTION_PRIMARY, time);
 715     }
 716 }
 717
 718 static void
 719 gtk_old_editable_set_selection_bounds (GtkEditable *editable,
 720                                        gint         start,
 721                                        gint         end)
 722 {
 723   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
 724
 725   if (GTK_WIDGET_REALIZED (editable))
 726     gtk_old_editable_claim_selection (old_editable, start != end, GDK_CURRENT_TIME);
 727
 728   gtk_old_editable_set_selection (old_editable, start, end);
 729 }
 730
 731 static gboolean
 732 gtk_old_editable_get_selection_bounds (GtkEditable *editable,
 733                                        gint        *start,
 734                                        gint        *end)
 735 {
 736   GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
 737
 738   *start = old_editable->selection_start_pos;
 739   *end = old_editable->selection_end_pos;
 740
 741   return (old_editable->selection_start_pos != old_editable->selection_end_pos);
 742 }
 743
 744 static void
 745 gtk_old_editable_real_set_editable (GtkOldEditable *old_editable,
 746                                     gboolean        is_editable)
 747 {
 748   is_editable = is_editable != FALSE;
 749
 750   if (old_editable->editable != is_editable)
 751     {
 752       old_editable->editable = is_editable;
 753       gtk_widget_queue_draw (GTK_WIDGET (old_editable));
 754     }
 755 }
 756
 757 static void
 758 gtk_old_editable_real_cut_clipboard (GtkOldEditable *old_editable)
 759 {
 760   gtk_old_editable_real_copy_clipboard (old_editable);
 761   gtk_editable_delete_selection (GTK_EDITABLE (old_editable));
 762 }
 763
 764 static void
 765 gtk_old_editable_real_copy_clipboard (GtkOldEditable *old_editable)
 766 {
 767   gint selection_start_pos;
 768   gint selection_end_pos;
 769
 770   selection_start_pos = MIN (old_editable->selection_start_pos, old_editable->selection_end_pos);
 771   selection_end_pos = MAX (old_editable->selection_start_pos, old_editable->selection_end_pos);
 772
 773   if (selection_start_pos != selection_end_pos)
 774     {
 775       gchar *text = gtk_old_editable_get_public_chars (old_editable,
 776                                                        selection_start_pos,
 777                                                        selection_end_pos);
 778
 779       if (text)
 780         {
 781           GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (old_editable),
 782                                                               GDK_SELECTION_CLIPBOARD);
 783
 784           gtk_clipboard_set_text (clipboard, text, -1);
 785           g_free (text);
 786         }
 787     }
 788 }
 789
 790 static void
 791 gtk_old_editable_real_paste_clipboard (GtkOldEditable *old_editable)
 792 {
 793   GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (old_editable),
 794                                                       GDK_SELECTION_CLIPBOARD);
 795
 796   g_object_ref (G_OBJECT (old_editable));
 797   gtk_clipboard_request_text (clipboard, old_editable_text_received_cb, old_editable);
 798 }
 799
 800 /**
 801  * gtk_old_editable_changed:
 802  * @old_editable: a #GtkOldEditable
 803  *
 804  * Emits the ::changed signal on @old_editable.
 805  */
 806 void
 807 gtk_old_editable_changed (GtkOldEditable *old_editable)
 808 {
 809   g_return_if_fail (GTK_IS_OLD_EDITABLE (old_editable));
 810
 811   g_signal_emit_by_name (old_editable, "changed");
 812 }
 813
 814 #define __GTK_OLD_EDITABLE_C__
 815 #include "gtkaliasdef.c"