Pileus Git - ~andy/gtk/blob - gtk/gtkentry.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 #include <string.h>
  28
  29 #include <pango/pango.h>
  30
  31 #include "gdk/gdkkeysyms.h"
  32 #include "gtkbindings.h"
  33 #include "gtkcelleditable.h"
  34 #include "gtkclipboard.h"
  35 #include "gtkdnd.h"
  36 #include "gtkentry.h"
  37 #include "gtkimagemenuitem.h"
  38 #include "gtkimmulticontext.h"
  39 #include "gtkintl.h"
  40 #include "gtkmain.h"
  41 #include "gtkmarshalers.h"
  42 #include "gtkmenu.h"
  43 #include "gtkmenuitem.h"
  44 #include "gtkseparatormenuitem.h"
  45 #include "gtkselection.h"
  46 #include "gtksettings.h"
  47 #include "gtkstock.h"
  48 #include "gtksignal.h"
  49 #include "gtktextutil.h"
  50 #include "gtkwindow.h"
  51
  52 #define MIN_ENTRY_WIDTH  150
  53 #define DRAW_TIMEOUT     20
  54 #define INNER_BORDER     2
  55
  56 /* Initial size of buffer, in bytes */
  57 #define MIN_SIZE 16
  58
  59 /* Maximum size of text buffer, in bytes */
  60 #define MAX_SIZE G_MAXUSHORT
  61
  62 enum {
  63   ACTIVATE,
  64   POPULATE_POPUP,
  65   MOVE_CURSOR,
  66   INSERT_AT_CURSOR,
  67   DELETE_FROM_CURSOR,
  68   CUT_CLIPBOARD,
  69   COPY_CLIPBOARD,
  70   PASTE_CLIPBOARD,
  71   TOGGLE_OVERWRITE,
  72   LAST_SIGNAL
  73 };
  74
  75 enum {
  76   PROP_0,
  77   PROP_CURSOR_POSITION,
  78   PROP_SELECTION_BOUND,
  79   PROP_EDITABLE,
  80   PROP_MAX_LENGTH,
  81   PROP_VISIBILITY,
  82   PROP_HAS_FRAME,
  83   PROP_INVISIBLE_CHAR,
  84   PROP_ACTIVATES_DEFAULT,
  85   PROP_WIDTH_CHARS,
  86   PROP_SCROLL_OFFSET,
  87   PROP_TEXT
  88 };
  89
  90 static guint signals[LAST_SIGNAL] = { 0 };
  91
  92 typedef enum {
  93   CURSOR_STANDARD,
  94   CURSOR_DND
  95 } CursorType;
  96
  97 static GtkTargetEntry target_table[] = {
  98   { "UTF8_STRING",   0, 0 },
  99   { "COMPOUND_TEXT", 0, 0 },
 100   { "TEXT",          0, 0 },
 101   { "STRING",        0, 0 }
 102 };
 103
 104 /* GObject, GtkObject methods
 105  */
 106 static void   gtk_entry_class_init           (GtkEntryClass        *klass);
 107 static void   gtk_entry_editable_init        (GtkEditableClass     *iface);
 108 static void   gtk_entry_cell_editable_init   (GtkCellEditableIface *iface);
 109 static void   gtk_entry_init                 (GtkEntry         *entry);
 110 static void   gtk_entry_set_property (GObject         *object,
 111                                       guint            prop_id,
 112                                       const GValue    *value,
 113                                       GParamSpec      *pspec);
 114 static void   gtk_entry_get_property (GObject         *object,
 115                                       guint            prop_id,
 116                                       GValue          *value,
 117                                       GParamSpec      *pspec);
 118 static void   gtk_entry_finalize             (GObject          *object);
 119
 120 /* GtkWidget methods
 121  */
 122 static void   gtk_entry_realize              (GtkWidget        *widget);
 123 static void   gtk_entry_unrealize            (GtkWidget        *widget);
 124 static void   gtk_entry_size_request         (GtkWidget        *widget,
 125                                               GtkRequisition   *requisition);
 126 static void   gtk_entry_size_allocate        (GtkWidget        *widget,
 127                                               GtkAllocation    *allocation);
 128 static void   gtk_entry_draw_frame           (GtkWidget        *widget);
 129 static gint   gtk_entry_expose               (GtkWidget        *widget,
 130                                               GdkEventExpose   *event);
 131 static gint   gtk_entry_button_press         (GtkWidget        *widget,
 132                                               GdkEventButton   *event);
 133 static gint   gtk_entry_button_release       (GtkWidget        *widget,
 134                                               GdkEventButton   *event);
 135 static gint   gtk_entry_motion_notify        (GtkWidget        *widget,
 136                                               GdkEventMotion   *event);
 137 static gint   gtk_entry_key_press            (GtkWidget        *widget,
 138                                               GdkEventKey      *event);
 139 static gint   gtk_entry_key_release          (GtkWidget        *widget,
 140                                               GdkEventKey      *event);
 141 static gint   gtk_entry_focus_in             (GtkWidget        *widget,
 142                                               GdkEventFocus    *event);
 143 static gint   gtk_entry_focus_out            (GtkWidget        *widget,
 144                                               GdkEventFocus    *event);
 145 static void   gtk_entry_grab_focus           (GtkWidget        *widget);
 146 static void   gtk_entry_style_set            (GtkWidget        *widget,
 147                                               GtkStyle         *previous_style);
 148 static void   gtk_entry_direction_changed    (GtkWidget        *widget,
 149                                               GtkTextDirection  previous_dir);
 150 static void   gtk_entry_state_changed        (GtkWidget        *widget,
 151                                               GtkStateType      previous_state);
 152
 153 static gboolean gtk_entry_drag_drop          (GtkWidget        *widget,
 154                                               GdkDragContext   *context,
 155                                               gint              x,
 156                                               gint              y,
 157                                               guint             time);
 158 static gboolean gtk_entry_drag_motion        (GtkWidget        *widget,
 159                                               GdkDragContext   *context,
 160                                               gint              x,
 161                                               gint              y,
 162                                               guint             time);
 163 static void     gtk_entry_drag_leave         (GtkWidget        *widget,
 164                                               GdkDragContext   *context,
 165                                               guint             time);
 166 static void     gtk_entry_drag_data_received (GtkWidget        *widget,
 167                                               GdkDragContext   *context,
 168                                               gint              x,
 169                                               gint              y,
 170                                               GtkSelectionData *selection_data,
 171                                               guint             info,
 172                                               guint             time);
 173 static void     gtk_entry_drag_data_get      (GtkWidget        *widget,
 174                                               GdkDragContext   *context,
 175                                               GtkSelectionData *selection_data,
 176                                               guint             info,
 177                                               guint             time);
 178 static void     gtk_entry_drag_data_delete   (GtkWidget        *widget,
 179                                               GdkDragContext   *context);
 180
 181 /* GtkEditable method implementations
 182  */
 183 static void     gtk_entry_insert_text          (GtkEditable *editable,
 184                                                 const gchar *new_text,
 185                                                 gint         new_text_length,
 186                                                 gint        *position);
 187 static void     gtk_entry_delete_text          (GtkEditable *editable,
 188                                                 gint         start_pos,
 189                                                 gint         end_pos);
 190 static gchar *  gtk_entry_get_chars            (GtkEditable *editable,
 191                                                 gint         start_pos,
 192                                                 gint         end_pos);
 193 static void     gtk_entry_real_set_position    (GtkEditable *editable,
 194                                                 gint         position);
 195 static gint     gtk_entry_get_position         (GtkEditable *editable);
 196 static void     gtk_entry_set_selection_bounds (GtkEditable *editable,
 197                                                 gint         start,
 198                                                 gint         end);
 199 static gboolean gtk_entry_get_selection_bounds (GtkEditable *editable,
 200                                                 gint        *start,
 201                                                 gint        *end);
 202
 203 /* GtkCellEditable method implementations
 204  */
 205 static void gtk_entry_start_editing (GtkCellEditable *cell_editable,
 206                                      GdkEvent        *event);
 207
 208 /* Default signal handlers
 209  */
 210 static void gtk_entry_real_insert_text   (GtkEditable     *editable,
 211                                           const gchar     *new_text,
 212                                           gint             new_text_length,
 213                                           gint            *position);
 214 static void gtk_entry_real_delete_text   (GtkEditable     *editable,
 215                                           gint             start_pos,
 216                                           gint             end_pos);
 217 static void gtk_entry_move_cursor        (GtkEntry        *entry,
 218                                           GtkMovementStep  step,
 219                                           gint             count,
 220                                           gboolean         extend_selection);
 221 static void gtk_entry_insert_at_cursor   (GtkEntry        *entry,
 222                                           const gchar     *str);
 223 static void gtk_entry_delete_from_cursor (GtkEntry        *entry,
 224                                           GtkDeleteType    type,
 225                                           gint             count);
 226 static void gtk_entry_cut_clipboard      (GtkEntry        *entry);
 227 static void gtk_entry_copy_clipboard     (GtkEntry        *entry);
 228 static void gtk_entry_paste_clipboard    (GtkEntry        *entry);
 229 static void gtk_entry_toggle_overwrite   (GtkEntry        *entry);
 230 static void gtk_entry_select_all         (GtkEntry        *entry);
 231 static void gtk_entry_real_activate      (GtkEntry        *entry);
 232 static gboolean gtk_entry_popup_menu     (GtkWidget      *widget);
 233
 234 static void gtk_entry_keymap_direction_changed (GdkKeymap *keymap,
 235                                                 GtkEntry  *entry);
 236 /* IM Context Callbacks
 237  */
 238 static void     gtk_entry_commit_cb               (GtkIMContext *context,
 239                                                    const gchar  *str,
 240                                                    GtkEntry     *entry);
 241 static void     gtk_entry_preedit_changed_cb      (GtkIMContext *context,
 242                                                    GtkEntry     *entry);
 243 static gboolean gtk_entry_retrieve_surrounding_cb (GtkIMContext *context,
 244                                                    GtkEntry     *entry);
 245 static gboolean gtk_entry_delete_surrounding_cb   (GtkIMContext *context,
 246                                                    gint          offset,
 247                                                    gint          n_chars,
 248                                                    GtkEntry     *entry);
 249
 250 /* Internal routines
 251  */
 252 static void         gtk_entry_enter_text               (GtkEntry       *entry,
 253                                                         const gchar    *str);
 254 static void         gtk_entry_set_positions            (GtkEntry       *entry,
 255                                                         gint            current_pos,
 256                                                         gint            selection_bound);
 257 static void         gtk_entry_draw_text                (GtkEntry       *entry);
 258 static void         gtk_entry_draw_cursor              (GtkEntry       *entry,
 259                                                         CursorType      type);
 260 static PangoLayout *gtk_entry_ensure_layout            (GtkEntry       *entry,
 261                                                         gboolean        include_preedit);
 262 static void         gtk_entry_queue_draw               (GtkEntry       *entry);
 263 static void         gtk_entry_reset_im_context         (GtkEntry       *entry);
 264 static void         gtk_entry_recompute                (GtkEntry       *entry);
 265 static gint         gtk_entry_find_position            (GtkEntry       *entry,
 266                                                         gint            x);
 267 static void         gtk_entry_get_cursor_locations     (GtkEntry       *entry,
 268                                                         CursorType      type,
 269                                                         gint           *strong_x,
 270                                                         gint           *weak_x);
 271 static void         gtk_entry_adjust_scroll            (GtkEntry       *entry);
 272 static gint         gtk_entry_move_visually            (GtkEntry       *editable,
 273                                                         gint            start,
 274                                                         gint            count);
 275 static gint         gtk_entry_move_logically           (GtkEntry       *entry,
 276                                                         gint            start,
 277                                                         gint            count);
 278 static gint         gtk_entry_move_forward_word        (GtkEntry       *entry,
 279                                                         gint            start);
 280 static gint         gtk_entry_move_backward_word       (GtkEntry       *entry,
 281                                                         gint            start);
 282 static void         gtk_entry_delete_whitespace        (GtkEntry       *entry);
 283 static void         gtk_entry_select_word              (GtkEntry       *entry);
 284 static void         gtk_entry_select_line              (GtkEntry       *entry);
 285 static char *       gtk_entry_get_public_chars         (GtkEntry       *entry,
 286                                                         gint            start,
 287                                                         gint            end);
 288 static void         gtk_entry_paste                    (GtkEntry       *entry,
 289                                                         GdkAtom         selection);
 290 static void         gtk_entry_update_primary_selection (GtkEntry       *entry);
 291 static void         gtk_entry_do_popup                 (GtkEntry       *entry,
 292                                                         GdkEventButton *event);
 293 static gboolean     gtk_entry_mnemonic_activate        (GtkWidget      *widget,
 294                                                         gboolean        group_cycling);
 295 static void         gtk_entry_check_cursor_blink       (GtkEntry       *entry);
 296 static void         gtk_entry_pend_cursor_blink        (GtkEntry       *entry);
 297 static void         get_text_area_size                 (GtkEntry       *entry,
 298                                                         gint           *x,
 299                                                         gint           *y,
 300                                                         gint           *width,
 301                                                         gint           *height);
 302 static void         get_widget_window_size             (GtkEntry       *entry,
 303                                                         gint           *x,
 304                                                         gint           *y,
 305                                                         gint           *width,
 306                                                         gint           *height);
 307
 308 static GtkWidgetClass *parent_class = NULL;
 309
 310 GtkType
 311 gtk_entry_get_type (void)
 312 {
 313   static GtkType entry_type = 0;
 314
 315   if (!entry_type)
 316     {
 317       static const GtkTypeInfo entry_info =
 318       {
 319         "GtkEntry",
 320         sizeof (GtkEntry),
 321         sizeof (GtkEntryClass),
 322         (GtkClassInitFunc) gtk_entry_class_init,
 323         (GtkObjectInitFunc) gtk_entry_init,
 324         /* reserved_1 */ NULL,
 325         /* reserved_2 */ NULL,
 326         (GtkClassInitFunc) NULL,
 327       };
 328
 329       static const GInterfaceInfo editable_info =
 330       {
 331         (GInterfaceInitFunc) gtk_entry_editable_init,    /* interface_init */
 332         NULL,                                            /* interface_finalize */
 333         NULL                                             /* interface_data */
 334       };
 335
 336       static const GInterfaceInfo cell_editable_info =
 337       {
 338         (GInterfaceInitFunc) gtk_entry_cell_editable_init,    /* interface_init */
 339         NULL,                                                 /* interface_finalize */
 340         NULL                                                  /* interface_data */
 341       };
 342
 343       entry_type = gtk_type_unique (GTK_TYPE_WIDGET, &entry_info);
 344       g_type_add_interface_static (entry_type,
 345                                    GTK_TYPE_EDITABLE,
 346                                    &editable_info);
 347       g_type_add_interface_static (entry_type,
 348                                    GTK_TYPE_CELL_EDITABLE,
 349                                    &cell_editable_info);
 350     }
 351
 352   return entry_type;
 353 }
 354
 355 static void
 356 add_move_binding (GtkBindingSet  *binding_set,
 357                   guint           keyval,
 358                   guint           modmask,
 359                   GtkMovementStep step,
 360                   gint            count)
 361 {
 362   g_return_if_fail ((modmask & GDK_SHIFT_MASK) == 0);
 363
 364   gtk_binding_entry_add_signal (binding_set, keyval, modmask,
 365                                 "move_cursor", 3,
 366                                 GTK_TYPE_ENUM, step,
 367                                 G_TYPE_INT, count,
 368                                 G_TYPE_BOOLEAN, FALSE);
 369
 370   /* Selection-extending version */
 371   gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
 372                                 "move_cursor", 3,
 373                                 GTK_TYPE_ENUM, step,
 374                                 G_TYPE_INT, count,
 375                                 G_TYPE_BOOLEAN, TRUE);
 376 }
 377
 378 static void
 379 gtk_entry_class_init (GtkEntryClass *class)
 380 {
 381   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 382   GtkObjectClass *object_class;
 383   GtkWidgetClass *widget_class;
 384   GtkBindingSet *binding_set;
 385
 386   object_class = (GtkObjectClass*) class;
 387   widget_class = (GtkWidgetClass*) class;
 388   parent_class = gtk_type_class (GTK_TYPE_WIDGET);
 389
 390   gobject_class->finalize = gtk_entry_finalize;
 391   gobject_class->set_property = gtk_entry_set_property;
 392   gobject_class->get_property = gtk_entry_get_property;
 393
 394   widget_class->realize = gtk_entry_realize;
 395   widget_class->unrealize = gtk_entry_unrealize;
 396   widget_class->size_request = gtk_entry_size_request;
 397   widget_class->size_allocate = gtk_entry_size_allocate;
 398   widget_class->expose_event = gtk_entry_expose;
 399   widget_class->button_press_event = gtk_entry_button_press;
 400   widget_class->button_release_event = gtk_entry_button_release;
 401   widget_class->motion_notify_event = gtk_entry_motion_notify;
 402   widget_class->key_press_event = gtk_entry_key_press;
 403   widget_class->key_release_event = gtk_entry_key_release;
 404   widget_class->focus_in_event = gtk_entry_focus_in;
 405   widget_class->focus_out_event = gtk_entry_focus_out;
 406   widget_class->grab_focus = gtk_entry_grab_focus;
 407   widget_class->style_set = gtk_entry_style_set;
 408   widget_class->direction_changed = gtk_entry_direction_changed;
 409   widget_class->state_changed = gtk_entry_state_changed;
 410   widget_class->mnemonic_activate = gtk_entry_mnemonic_activate;
 411
 412   widget_class->drag_drop = gtk_entry_drag_drop;
 413   widget_class->drag_motion = gtk_entry_drag_motion;
 414   widget_class->drag_leave = gtk_entry_drag_leave;
 415   widget_class->drag_data_received = gtk_entry_drag_data_received;
 416   widget_class->drag_data_get = gtk_entry_drag_data_get;
 417   widget_class->drag_data_delete = gtk_entry_drag_data_delete;
 418
 419   widget_class->popup_menu = gtk_entry_popup_menu;
 420
 421   class->move_cursor = gtk_entry_move_cursor;
 422   class->insert_at_cursor = gtk_entry_insert_at_cursor;
 423   class->delete_from_cursor = gtk_entry_delete_from_cursor;
 424   class->cut_clipboard = gtk_entry_cut_clipboard;
 425   class->copy_clipboard = gtk_entry_copy_clipboard;
 426   class->paste_clipboard = gtk_entry_paste_clipboard;
 427   class->toggle_overwrite = gtk_entry_toggle_overwrite;
 428   class->activate = gtk_entry_real_activate;
 429
 430   g_object_class_install_property (gobject_class,
 431                                    PROP_CURSOR_POSITION,
 432                                    g_param_spec_int ("cursor_position",
 433                                                      _("Cursor Position"),
 434                                                      _("The current position of the insertion cursor in chars."),
 435                                                      0,
 436                                                      G_MAXINT,
 437                                                      0,
 438                                                      G_PARAM_READABLE));
 439
 440   g_object_class_install_property (gobject_class,
 441                                    PROP_SELECTION_BOUND,
 442                                    g_param_spec_int ("selection_bound",
 443                                                      _("Selection Bound"),
 444                                                      _("The position of the opposite end of the selection from the cursor in chars."),
 445                                                      0,
 446                                                      G_MAXINT,
 447                                                      0,
 448                                                      G_PARAM_READABLE));
 449
 450   g_object_class_install_property (gobject_class,
 451                                    PROP_EDITABLE,
 452                                    g_param_spec_boolean ("editable",
 453                                                          _("Editable"),
 454                                                          _("Whether the entry contents can be edited"),
 455                                                          TRUE,
 456                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 457
 458   g_object_class_install_property (gobject_class,
 459                                    PROP_MAX_LENGTH,
 460                                    g_param_spec_int ("max_length",
 461                                                      _("Maximum length"),
 462                                                      _("Maximum number of characters for this entry"),
 463                                                      -1,
 464                                                      G_MAXINT,
 465                                                      -1,
 466                                                      G_PARAM_READABLE | G_PARAM_WRITABLE));
 467   g_object_class_install_property (gobject_class,
 468                                    PROP_VISIBILITY,
 469                                    g_param_spec_boolean ("visibility",
 470                                                          _("Visibility"),
 471                                                          _("FALSE displays the \"invisible char\" instead of the actual text (password mode)"),
 472                                                          TRUE,
 473                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 474
 475   g_object_class_install_property (gobject_class,
 476                                    PROP_HAS_FRAME,
 477                                    g_param_spec_boolean ("has_frame",
 478                                                          _("Has Frame"),
 479                                                          _("FALSE removes outside bevel from entry."),
 480                                                          TRUE,
 481                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 482
 483     g_object_class_install_property (gobject_class,
 484                                    PROP_INVISIBLE_CHAR,
 485                                    g_param_spec_unichar ("invisible_char",
 486                                                          _("Invisible character"),
 487                                                          _("The character to use when masking entry contents (in \"password mode\")"),
 488                                                          '*',
 489                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 490
 491   g_object_class_install_property (gobject_class,
 492                                    PROP_ACTIVATES_DEFAULT,
 493                                    g_param_spec_boolean ("activates_default",
 494                                                          _("Activates default"),
 495                                                          _("Whether to activate the default widget (such as the default button in a dialog) when Enter is pressed."),
 496                                                          FALSE,
 497                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 498   g_object_class_install_property (gobject_class,
 499                                    PROP_WIDTH_CHARS,
 500                                    g_param_spec_int ("width_chars",
 501                                                      _("Width in chars"),
 502                                                      _("Number of characters to leave space for in the entry."),
 503                                                      -1,
 504                                                      G_MAXINT,
 505                                                      -1,
 506                                                      G_PARAM_READABLE | G_PARAM_WRITABLE));
 507
 508   g_object_class_install_property (gobject_class,
 509                                    PROP_SCROLL_OFFSET,
 510                                    g_param_spec_int ("scroll_offset",
 511                                                      _("Scroll offset"),
 512                                                      _("Number of pixels of the entry scrolled off the screen to the left"),
 513                                                      0,
 514                                                      G_MAXINT,
 515                                                      0,
 516                                                      G_PARAM_READABLE));
 517
 518   g_object_class_install_property (gobject_class,
 519                                    PROP_TEXT,
 520                                    g_param_spec_string ("text",
 521                                                         _("Text"),
 522                                                         _("The contents of the entry"),
 523                                                         "",
 524                                                         G_PARAM_READABLE | G_PARAM_WRITABLE));
 525
 526   signals[POPULATE_POPUP] =
 527     gtk_signal_new ("populate_popup",
 528                     GTK_RUN_LAST,
 529                     GTK_CLASS_TYPE (object_class),
 530                     GTK_SIGNAL_OFFSET (GtkEntryClass, populate_popup),
 531                     _gtk_marshal_VOID__OBJECT,
 532                     GTK_TYPE_NONE, 1, GTK_TYPE_MENU);
 533
 534  /* Action signals */
 535
 536   signals[ACTIVATE] =
 537     gtk_signal_new ("activate",
 538                     GTK_RUN_LAST | GTK_RUN_ACTION,
 539                     GTK_CLASS_TYPE (object_class),
 540                     GTK_SIGNAL_OFFSET (GtkEntryClass, activate),
 541                     _gtk_marshal_VOID__VOID,
 542                     GTK_TYPE_NONE, 0);
 543   widget_class->activate_signal = signals[ACTIVATE];
 544
 545   signals[MOVE_CURSOR] =
 546       gtk_signal_new ("move_cursor",
 547                       GTK_RUN_LAST | GTK_RUN_ACTION,
 548                       GTK_CLASS_TYPE (object_class),
 549                       GTK_SIGNAL_OFFSET (GtkEntryClass, move_cursor),
 550                       _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
 551                       GTK_TYPE_NONE, 3, GTK_TYPE_MOVEMENT_STEP, GTK_TYPE_INT, GTK_TYPE_BOOL);
 552
 553   signals[INSERT_AT_CURSOR] =
 554       gtk_signal_new ("insert_at_cursor",
 555                       GTK_RUN_LAST | GTK_RUN_ACTION,
 556                       GTK_CLASS_TYPE (object_class),
 557                       GTK_SIGNAL_OFFSET (GtkEntryClass, insert_at_cursor),
 558                       _gtk_marshal_VOID__STRING,
 559                       GTK_TYPE_NONE, 1, GTK_TYPE_STRING);
 560
 561   signals[DELETE_FROM_CURSOR] =
 562       gtk_signal_new ("delete_from_cursor",
 563                       GTK_RUN_LAST | GTK_RUN_ACTION,
 564                       GTK_CLASS_TYPE (object_class),
 565                       GTK_SIGNAL_OFFSET (GtkEntryClass, delete_from_cursor),
 566                       _gtk_marshal_VOID__ENUM_INT,
 567                       GTK_TYPE_NONE, 2, GTK_TYPE_DELETE_TYPE, GTK_TYPE_INT);
 568
 569   signals[CUT_CLIPBOARD] =
 570     gtk_signal_new ("cut_clipboard",
 571                     GTK_RUN_LAST | GTK_RUN_ACTION,
 572                     GTK_CLASS_TYPE (object_class),
 573                     GTK_SIGNAL_OFFSET (GtkEntryClass, cut_clipboard),
 574                     _gtk_marshal_VOID__VOID,
 575                     GTK_TYPE_NONE, 0);
 576
 577   signals[COPY_CLIPBOARD] =
 578     gtk_signal_new ("copy_clipboard",
 579                     GTK_RUN_LAST | GTK_RUN_ACTION,
 580                     GTK_CLASS_TYPE (object_class),
 581                     GTK_SIGNAL_OFFSET (GtkEntryClass, copy_clipboard),
 582                     _gtk_marshal_VOID__VOID,
 583                     GTK_TYPE_NONE, 0);
 584
 585   signals[PASTE_CLIPBOARD] =
 586     gtk_signal_new ("paste_clipboard",
 587                     GTK_RUN_LAST | GTK_RUN_ACTION,
 588                     GTK_CLASS_TYPE (object_class),
 589                     GTK_SIGNAL_OFFSET (GtkEntryClass, paste_clipboard),
 590                     _gtk_marshal_VOID__VOID,
 591                     GTK_TYPE_NONE, 0);
 592
 593   signals[TOGGLE_OVERWRITE] =
 594     gtk_signal_new ("toggle_overwrite",
 595                     GTK_RUN_LAST | GTK_RUN_ACTION,
 596                     GTK_CLASS_TYPE (object_class),
 597                     GTK_SIGNAL_OFFSET (GtkEntryClass, toggle_overwrite),
 598                     _gtk_marshal_VOID__VOID,
 599                     GTK_TYPE_NONE, 0);
 600
 601   /*
 602    * Key bindings
 603    */
 604
 605   binding_set = gtk_binding_set_by_class (class);
 606
 607   /* Moving the insertion point */
 608   add_move_binding (binding_set, GDK_Right, 0,
 609                     GTK_MOVEMENT_VISUAL_POSITIONS, 1);
 610
 611   add_move_binding (binding_set, GDK_Left, 0,
 612                     GTK_MOVEMENT_VISUAL_POSITIONS, -1);
 613
 614   add_move_binding (binding_set, GDK_KP_Right, 0,
 615                     GTK_MOVEMENT_VISUAL_POSITIONS, 1);
 616
 617   add_move_binding (binding_set, GDK_KP_Left, 0,
 618                     GTK_MOVEMENT_VISUAL_POSITIONS, -1);
 619
 620   add_move_binding (binding_set, GDK_Right, GDK_CONTROL_MASK,
 621                     GTK_MOVEMENT_WORDS, 1);
 622
 623   add_move_binding (binding_set, GDK_Left, GDK_CONTROL_MASK,
 624                     GTK_MOVEMENT_WORDS, -1);
 625
 626   add_move_binding (binding_set, GDK_KP_Right, GDK_CONTROL_MASK,
 627                     GTK_MOVEMENT_WORDS, 1);
 628
 629   add_move_binding (binding_set, GDK_KP_Left, GDK_CONTROL_MASK,
 630                     GTK_MOVEMENT_WORDS, -1);
 631
 632   add_move_binding (binding_set, GDK_Home, 0,
 633                     GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
 634
 635   add_move_binding (binding_set, GDK_End, 0,
 636                     GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
 637
 638   add_move_binding (binding_set, GDK_KP_Home, 0,
 639                     GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
 640
 641   add_move_binding (binding_set, GDK_KP_End, 0,
 642                     GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
 643
 644   add_move_binding (binding_set, GDK_Home, GDK_CONTROL_MASK,
 645                     GTK_MOVEMENT_BUFFER_ENDS, -1);
 646
 647   add_move_binding (binding_set, GDK_End, GDK_CONTROL_MASK,
 648                     GTK_MOVEMENT_BUFFER_ENDS, 1);
 649
 650   add_move_binding (binding_set, GDK_KP_Home, GDK_CONTROL_MASK,
 651                     GTK_MOVEMENT_BUFFER_ENDS, -1);
 652
 653   add_move_binding (binding_set, GDK_KP_End, GDK_CONTROL_MASK,
 654                     GTK_MOVEMENT_BUFFER_ENDS, 1);
 655
 656   /* Select all
 657    */
 658   gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK,
 659                                 "move_cursor", 3,
 660                                 GTK_TYPE_MOVEMENT_STEP, GTK_MOVEMENT_BUFFER_ENDS,
 661                                 GTK_TYPE_INT, -1,
 662                                 GTK_TYPE_BOOL, FALSE);
 663   gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK,
 664                                 "move_cursor", 3,
 665                                 GTK_TYPE_MOVEMENT_STEP, GTK_MOVEMENT_BUFFER_ENDS,
 666                                 GTK_TYPE_INT, 1,
 667                                 GTK_TYPE_BOOL, TRUE);
 668
 669
 670   /* Activate
 671    */
 672   gtk_binding_entry_add_signal (binding_set, GDK_Return, 0,
 673                                 "activate", 0);
 674   gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0,
 675                                 "activate", 0);
 676
 677   /* Deleting text */
 678   gtk_binding_entry_add_signal (binding_set, GDK_Delete, 0,
 679                                 "delete_from_cursor", 2,
 680                                 GTK_TYPE_ENUM, GTK_DELETE_CHARS,
 681                                 GTK_TYPE_INT, 1);
 682
 683   gtk_binding_entry_add_signal (binding_set, GDK_KP_Delete, 0,
 684                                 "delete_from_cursor", 2,
 685                                 GTK_TYPE_ENUM, GTK_DELETE_CHARS,
 686                                 GTK_TYPE_INT, 1);
 687
 688   gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
 689                                 "delete_from_cursor", 2,
 690                                 GTK_TYPE_ENUM, GTK_DELETE_CHARS,
 691                                 GTK_TYPE_INT, -1);
 692
 693   gtk_binding_entry_add_signal (binding_set, GDK_Delete, GDK_CONTROL_MASK,
 694                                 "delete_from_cursor", 2,
 695                                 GTK_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
 696                                 GTK_TYPE_INT, 1);
 697
 698   gtk_binding_entry_add_signal (binding_set, GDK_KP_Delete, GDK_CONTROL_MASK,
 699                                 "delete_from_cursor", 2,
 700                                 GTK_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
 701                                 GTK_TYPE_INT, 1);
 702
 703   gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_CONTROL_MASK,
 704                                 "delete_from_cursor", 2,
 705                                 GTK_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
 706                                 GTK_TYPE_INT, -1);
 707
 708   /* Cut/copy/paste */
 709
 710   gtk_binding_entry_add_signal (binding_set, GDK_x, GDK_CONTROL_MASK,
 711                                 "cut_clipboard", 0);
 712
 713   gtk_binding_entry_add_signal (binding_set, GDK_c, GDK_CONTROL_MASK,
 714                                 "copy_clipboard", 0);
 715
 716   gtk_binding_entry_add_signal (binding_set, GDK_v, GDK_CONTROL_MASK,
 717                                 "paste_clipboard", 0);
 718
 719   /* Overwrite */
 720   gtk_binding_entry_add_signal (binding_set, GDK_Insert, 0,
 721                                 "toggle_overwrite", 0);
 722   gtk_binding_entry_add_signal (binding_set, GDK_KP_Insert, 0,
 723                                 "toggle_overwrite", 0);
 724
 725   gtk_settings_install_property (g_param_spec_boolean ("gtk-entry-select-on-focus",
 726                                                        _("Select on focus"),
 727                                                        _("Whether to select the contents of an entry when it is focused."),
 728                                                        TRUE,
 729                                                        G_PARAM_READWRITE));
 730 }
 731
 732 static void
 733 gtk_entry_editable_init (GtkEditableClass *iface)
 734 {
 735   iface->do_insert_text = gtk_entry_insert_text;
 736   iface->do_delete_text = gtk_entry_delete_text;
 737   iface->insert_text = gtk_entry_real_insert_text;
 738   iface->delete_text = gtk_entry_real_delete_text;
 739   iface->get_chars = gtk_entry_get_chars;
 740   iface->set_selection_bounds = gtk_entry_set_selection_bounds;
 741   iface->get_selection_bounds = gtk_entry_get_selection_bounds;
 742   iface->set_position = gtk_entry_real_set_position;
 743   iface->get_position = gtk_entry_get_position;
 744 }
 745
 746 static void
 747 gtk_entry_cell_editable_init (GtkCellEditableIface *iface)
 748 {
 749   iface->start_editing = gtk_entry_start_editing;
 750 }
 751
 752 static void
 753 gtk_entry_set_property (GObject         *object,
 754                         guint            prop_id,
 755                         const GValue    *value,
 756                         GParamSpec      *pspec)
 757 {
 758   GtkEntry *entry = GTK_ENTRY (object);
 759
 760   switch (prop_id)
 761     {
 762     case PROP_EDITABLE:
 763       {
 764         gboolean new_value = g_value_get_boolean (value);
 765
 766         if (new_value != entry->editable)
 767           {
 768             entry->editable = new_value;
 769             gtk_entry_queue_draw (entry);
 770           }
 771       }
 772       break;
 773
 774     case PROP_MAX_LENGTH:
 775       gtk_entry_set_max_length (entry, g_value_get_int (value));
 776       break;
 777
 778     case PROP_VISIBILITY:
 779       gtk_entry_set_visibility (entry, g_value_get_boolean (value));
 780       break;
 781
 782     case PROP_HAS_FRAME:
 783       gtk_entry_set_has_frame (entry, g_value_get_boolean (value));
 784       break;
 785
 786     case PROP_INVISIBLE_CHAR:
 787       gtk_entry_set_invisible_char (entry, g_value_get_uint (value));
 788       break;
 789
 790     case PROP_ACTIVATES_DEFAULT:
 791       gtk_entry_set_activates_default (entry, g_value_get_boolean (value));
 792       break;
 793
 794     case PROP_WIDTH_CHARS:
 795       gtk_entry_set_width_chars (entry, g_value_get_int (value));
 796       break;
 797
 798     case PROP_TEXT:
 799       gtk_entry_set_text (entry, g_value_get_string (value));
 800       break;
 801
 802     case PROP_SCROLL_OFFSET:
 803     case PROP_CURSOR_POSITION:
 804     default:
 805       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 806       break;
 807     }
 808 }
 809
 810 static void
 811 gtk_entry_get_property (GObject         *object,
 812                         guint            prop_id,
 813                         GValue          *value,
 814                         GParamSpec      *pspec)
 815 {
 816   GtkEntry *entry = GTK_ENTRY (object);
 817
 818   switch (prop_id)
 819     {
 820     case PROP_CURSOR_POSITION:
 821       g_value_set_int (value, entry->current_pos);
 822       break;
 823     case PROP_SELECTION_BOUND:
 824       g_value_set_int (value, entry->selection_bound);
 825       break;
 826     case PROP_EDITABLE:
 827       g_value_set_boolean (value, entry->editable);
 828       break;
 829     case PROP_MAX_LENGTH:
 830       g_value_set_int (value, entry->text_max_length);
 831       break;
 832     case PROP_VISIBILITY:
 833       g_value_set_boolean (value, entry->visible);
 834       break;
 835     case PROP_HAS_FRAME:
 836       g_value_set_boolean (value, entry->has_frame);
 837       break;
 838     case PROP_INVISIBLE_CHAR:
 839       g_value_set_uint (value, entry->invisible_char);
 840       break;
 841     case PROP_ACTIVATES_DEFAULT:
 842       g_value_set_boolean (value, entry->activates_default);
 843       break;
 844     case PROP_WIDTH_CHARS:
 845       g_value_set_int (value, entry->width_chars);
 846       break;
 847     case PROP_SCROLL_OFFSET:
 848       g_value_set_int (value, entry->scroll_offset);
 849       break;
 850     case PROP_TEXT:
 851       g_value_set_string (value, gtk_entry_get_text (entry));
 852       break;
 853
 854     default:
 855       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 856       break;
 857     }
 858 }
 859
 860 static void
 861 gtk_entry_init (GtkEntry *entry)
 862 {
 863   GTK_WIDGET_SET_FLAGS (entry, GTK_CAN_FOCUS);
 864
 865   entry->text_size = MIN_SIZE;
 866   entry->text = g_malloc (entry->text_size);
 867   entry->text[0] = '\0';
 868
 869   entry->editable = TRUE;
 870   entry->visible = TRUE;
 871   entry->invisible_char = '*';
 872   entry->dnd_position = -1;
 873   entry->width_chars = -1;
 874   entry->is_cell_renderer = FALSE;
 875   entry->editing_canceled = FALSE;
 876   entry->has_frame = TRUE;
 877
 878   gtk_drag_dest_set (GTK_WIDGET (entry),
 879                      GTK_DEST_DEFAULT_HIGHLIGHT,
 880                      target_table, G_N_ELEMENTS (target_table),
 881                      GDK_ACTION_COPY | GDK_ACTION_MOVE);
 882
 883   /* This object is completely private. No external entity can gain a reference
 884    * to it; so we create it here and destroy it in finalize().
 885    */
 886   entry->im_context = gtk_im_multicontext_new ();
 887
 888   g_signal_connect (G_OBJECT (entry->im_context), "commit",
 889                     G_CALLBACK (gtk_entry_commit_cb), entry);
 890   g_signal_connect (G_OBJECT (entry->im_context), "preedit_changed",
 891                     G_CALLBACK (gtk_entry_preedit_changed_cb), entry);
 892   g_signal_connect (G_OBJECT (entry->im_context), "retrieve_surrounding",
 893                     G_CALLBACK (gtk_entry_retrieve_surrounding_cb), entry);
 894   g_signal_connect (G_OBJECT (entry->im_context), "delete_surrounding",
 895                     G_CALLBACK (gtk_entry_delete_surrounding_cb), entry);
 896 }
 897
 898 static void
 899 gtk_entry_finalize (GObject *object)
 900 {
 901   GtkEntry *entry = GTK_ENTRY (object);
 902
 903   if (entry->cached_layout)
 904     g_object_unref (G_OBJECT (entry->cached_layout));
 905
 906   g_object_unref (G_OBJECT (entry->im_context));
 907
 908   if (entry->blink_timeout)
 909     g_source_remove (entry->blink_timeout);
 910
 911   if (entry->recompute_idle)
 912     g_source_remove (entry->recompute_idle);
 913
 914   entry->text_size = 0;
 915
 916   if (entry->text)
 917     g_free (entry->text);
 918   entry->text = NULL;
 919
 920   G_OBJECT_CLASS (parent_class)->finalize (object);
 921 }
 922
 923 static void
 924 gtk_entry_realize_cursor_gc (GtkEntry *entry)
 925 {
 926   GdkColor *cursor_color;
 927   GdkColor red = {0, 0xffff, 0x0000, 0x0000};
 928
 929   if (entry->cursor_gc)
 930     gdk_gc_unref (entry->cursor_gc);
 931
 932   gtk_widget_style_get (GTK_WIDGET (entry), "cursor-color", &cursor_color, NULL);
 933       entry->cursor_gc = gdk_gc_new (entry->text_area);
 934   if (cursor_color)
 935     gdk_gc_set_rgb_fg_color (entry->cursor_gc, cursor_color);
 936   else
 937     gdk_gc_set_rgb_fg_color (entry->cursor_gc, &red);
 938 }
 939
 940 static void
 941 gtk_entry_realize (GtkWidget *widget)
 942 {
 943   GtkEntry *entry;
 944   GtkEditable *editable;
 945   GdkWindowAttr attributes;
 946   gint attributes_mask;
 947
 948   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 949   entry = GTK_ENTRY (widget);
 950   editable = GTK_EDITABLE (widget);
 951
 952   attributes.window_type = GDK_WINDOW_CHILD;
 953
 954   get_widget_window_size (entry, &attributes.x, &attributes.y, &attributes.width, &attributes.height);
 955
 956   attributes.wclass = GDK_INPUT_OUTPUT;
 957   attributes.visual = gtk_widget_get_visual (widget);
 958   attributes.colormap = gtk_widget_get_colormap (widget);
 959   attributes.event_mask = gtk_widget_get_events (widget);
 960   attributes.event_mask |= (GDK_EXPOSURE_MASK |
 961                             GDK_BUTTON_PRESS_MASK |
 962                             GDK_BUTTON_RELEASE_MASK |
 963                             GDK_BUTTON1_MOTION_MASK |
 964                             GDK_BUTTON3_MOTION_MASK |
 965                             GDK_POINTER_MOTION_HINT_MASK |
 966                             GDK_POINTER_MOTION_MASK |
 967                             GDK_ENTER_NOTIFY_MASK |
 968                             GDK_LEAVE_NOTIFY_MASK);
 969   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 970
 971   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
 972   gdk_window_set_user_data (widget->window, entry);
 973
 974   get_text_area_size (entry, &attributes.x, &attributes.y, &attributes.width, &attributes.height);
 975
 976   attributes.cursor = gdk_cursor_new (GDK_XTERM);
 977   attributes_mask |= GDK_WA_CURSOR;
 978
 979   entry->text_area = gdk_window_new (widget->window, &attributes, attributes_mask);
 980   gdk_window_set_user_data (entry->text_area, entry);
 981
 982   gdk_cursor_unref (attributes.cursor);
 983
 984   widget->style = gtk_style_attach (widget->style, widget->window);
 985
 986   gtk_entry_realize_cursor_gc (entry);
 987
 988   gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
 989   gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]);
 990
 991   gdk_window_show (entry->text_area);
 992
 993   gtk_im_context_set_client_window (entry->im_context, entry->text_area);
 994
 995   gtk_entry_adjust_scroll (entry);
 996 }
 997
 998 static void
 999 gtk_entry_unrealize (GtkWidget *widget)
1000 {
1001   GtkEntry *entry = GTK_ENTRY (widget);
1002
1003   gtk_im_context_set_client_window (entry->im_context, entry->text_area);
1004
1005   if (entry->text_area)
1006     {
1007       gdk_window_set_user_data (entry->text_area, NULL);
1008       gdk_window_destroy (entry->text_area);
1009       entry->text_area = NULL;
1010     }
1011
1012   if (entry->cursor_gc)
1013     {
1014       gdk_gc_unref (entry->cursor_gc);
1015       entry->cursor_gc = NULL;
1016     }
1017
1018   if (entry->popup_menu)
1019     {
1020       gtk_widget_destroy (entry->popup_menu);
1021       entry->popup_menu = NULL;
1022     }
1023
1024   if (GTK_WIDGET_CLASS (parent_class)->unrealize)
1025     (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
1026 }
1027
1028 static void
1029 get_borders (GtkEntry *entry,
1030              gint     *xborder,
1031              gint     *yborder)
1032 {
1033   GtkWidget *widget = GTK_WIDGET (entry);
1034   gint focus_width;
1035   gboolean interior_focus;
1036
1037   gtk_widget_style_get (widget,
1038                         "interior-focus", &interior_focus,
1039                         "focus-line-width", &focus_width,
1040                         NULL);
1041
1042   if (entry->has_frame)
1043     {
1044       *xborder = widget->style->xthickness;
1045       *yborder = widget->style->ythickness;
1046     }
1047   else
1048     {
1049       *xborder = 0;
1050       *yborder = 0;
1051     }
1052
1053   if (!interior_focus)
1054     {
1055       *xborder += focus_width;
1056       *yborder += focus_width;
1057     }
1058 }
1059
1060 static void
1061 gtk_entry_size_request (GtkWidget      *widget,
1062                         GtkRequisition *requisition)
1063 {
1064   GtkEntry *entry = GTK_ENTRY (widget);
1065   PangoFontMetrics *metrics;
1066   gint xborder, yborder;
1067   PangoContext *context;
1068
1069   context = gtk_widget_get_pango_context (widget);
1070   metrics = pango_context_get_metrics (context,
1071                                        widget->style->font_desc,
1072                                        pango_context_get_language (context));
1073
1074   entry->ascent = pango_font_metrics_get_ascent (metrics);
1075   entry->descent = pango_font_metrics_get_descent (metrics);
1076
1077   get_borders (entry, &xborder, &yborder);
1078
1079   xborder += INNER_BORDER;
1080   yborder += INNER_BORDER;
1081
1082   if (entry->width_chars < 0)
1083     requisition->width = MIN_ENTRY_WIDTH + xborder * 2;
1084   else
1085     {
1086       gint char_width = pango_font_metrics_get_approximate_char_width (metrics);
1087       requisition->width = PANGO_PIXELS (char_width) * entry->width_chars + xborder * 2;
1088     }
1089
1090   requisition->height = PANGO_PIXELS (entry->ascent + entry->descent) + yborder * 2;
1091
1092   pango_font_metrics_unref (metrics);
1093 }
1094
1095 static void
1096 get_text_area_size (GtkEntry *entry,
1097                     gint     *x,
1098                     gint     *y,
1099                     gint     *width,
1100                     gint     *height)
1101 {
1102   gint xborder, yborder;
1103   GtkRequisition requisition;
1104   GtkWidget *widget = GTK_WIDGET (entry);
1105
1106   gtk_widget_get_child_requisition (widget, &requisition);
1107
1108   get_borders (entry, &xborder, &yborder);
1109
1110   if (x)
1111     *x = xborder;
1112
1113   if (y)
1114     *y = yborder;
1115
1116   if (width)
1117     *width = GTK_WIDGET (entry)->allocation.width - xborder * 2;
1118
1119   if (height)
1120     *height = requisition.height - yborder * 2;
1121 }
1122
1123 static void
1124 get_widget_window_size (GtkEntry *entry,
1125                         gint     *x,
1126                         gint     *y,
1127                         gint     *width,
1128                         gint     *height)
1129 {
1130   GtkRequisition requisition;
1131   GtkWidget *widget = GTK_WIDGET (entry);
1132
1133   gtk_widget_get_child_requisition (widget, &requisition);
1134
1135   if (x)
1136     *x = widget->allocation.x;
1137
1138   if (y)
1139     {
1140       if (entry->is_cell_renderer)
1141         *y = widget->allocation.y;
1142       else
1143         *y = widget->allocation.y + (widget->allocation.height - requisition.height) / 2;
1144     }
1145
1146   if (width)
1147     *width = widget->allocation.width;
1148
1149   if (height)
1150     {
1151       if (entry->is_cell_renderer)
1152         *height = widget->allocation.height;
1153       else
1154         *height = requisition.height;
1155     }
1156 }
1157
1158 static void
1159 gtk_entry_size_allocate (GtkWidget     *widget,
1160                          GtkAllocation *allocation)
1161 {
1162   GtkEntry *entry = GTK_ENTRY (widget);
1163
1164   widget->allocation = *allocation;
1165
1166   if (GTK_WIDGET_REALIZED (widget))
1167     {
1168       /* We call gtk_widget_get_child_requisition, since we want (for
1169        * backwards compatibility reasons) the realization here to
1170        * be affected by the usize of the entry, if set
1171        */
1172       gint x, y, width, height;
1173
1174       get_widget_window_size (entry, &x, &y, &width, &height);
1175
1176       gdk_window_move_resize (widget->window,
1177                               x, y, width, height);
1178
1179       get_text_area_size (entry, &x, &y, &width, &height);
1180
1181       gdk_window_move_resize (entry->text_area,
1182                               x, y, width, height);
1183
1184       gtk_entry_recompute (entry);
1185     }
1186 }
1187
1188 static void
1189 gtk_entry_draw_frame (GtkWidget *widget)
1190 {
1191   gint x = 0, y = 0;
1192   gint width, height;
1193   gboolean interior_focus;
1194   gint focus_width;
1195
1196   gtk_widget_style_get (widget,
1197                         "interior-focus", &interior_focus,
1198                         "focus-line-width", &focus_width,
1199                         NULL);
1200
1201   gdk_window_get_size (widget->window, &width, &height);
1202
1203   if (GTK_WIDGET_HAS_FOCUS (widget) && !interior_focus)
1204     {
1205       x += focus_width;
1206       y += focus_width;
1207       width -= 2 * focus_width;
1208       height -= 2 * focus_width;
1209     }
1210
1211   gtk_paint_shadow (widget->style, widget->window,
1212                     GTK_STATE_NORMAL, GTK_SHADOW_IN,
1213                     NULL, widget, "entry",
1214                     x, y, width, height);
1215
1216   if (GTK_WIDGET_HAS_FOCUS (widget) && !interior_focus)
1217     {
1218       x -= focus_width;
1219       y -= focus_width;
1220       width += 2 * focus_width;
1221       height += 2 * focus_width;
1222
1223       gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
1224                        NULL, widget, "entry",
1225                        0, 0, width, height);
1226     }
1227 }
1228
1229 static gint
1230 gtk_entry_expose (GtkWidget      *widget,
1231                   GdkEventExpose *event)
1232 {
1233   GtkEntry *entry = GTK_ENTRY (widget);
1234
1235   if (widget->window == event->window)
1236     gtk_entry_draw_frame (widget);
1237   else if (entry->text_area == event->window)
1238     {
1239       gtk_entry_draw_text (GTK_ENTRY (widget));
1240
1241       if ((entry->visible || entry->invisible_char != 0) &&
1242           GTK_WIDGET_HAS_FOCUS (widget) &&
1243           entry->selection_bound == entry->current_pos && entry->cursor_visible)
1244         gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_STANDARD);
1245
1246       if (entry->dnd_position != -1)
1247         gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_DND);
1248     }
1249
1250   return FALSE;
1251 }
1252
1253 static gint
1254 gtk_entry_button_press (GtkWidget      *widget,
1255                         GdkEventButton *event)
1256 {
1257   GtkEntry *entry = GTK_ENTRY (widget);
1258   GtkEditable *editable = GTK_EDITABLE (widget);
1259   gint tmp_pos;
1260   gint sel_start, sel_end;
1261
1262   if (event->window != entry->text_area ||
1263       (entry->button && event->button != entry->button))
1264     return FALSE;
1265
1266   entry->button = event->button;
1267
1268   if (!GTK_WIDGET_HAS_FOCUS (widget))
1269     {
1270       entry->in_click = TRUE;
1271       gtk_widget_grab_focus (widget);
1272       entry->in_click = FALSE;
1273     }
1274
1275   tmp_pos = gtk_entry_find_position (entry, event->x + entry->scroll_offset);
1276
1277   if (event->button == 1)
1278     {
1279       gboolean have_selection = gtk_editable_get_selection_bounds (editable, &sel_start, &sel_end);
1280
1281       if (event->state & GDK_SHIFT_MASK)
1282         {
1283           gtk_entry_reset_im_context (entry);
1284
1285           if (!have_selection) /* select from the current position to the clicked position */
1286             sel_start = sel_end = entry->current_pos;
1287
1288           if (tmp_pos > sel_start && tmp_pos < sel_end)
1289             {
1290               /* Truncate current selection */
1291               gtk_entry_set_positions (entry, tmp_pos, -1);
1292             }
1293           else
1294             {
1295               gboolean extend_to_left;
1296               gint start, end;
1297
1298               /* Figure out what click selects and extend current selection */
1299               switch (event->type)
1300                 {
1301                 case GDK_BUTTON_PRESS:
1302                   gtk_entry_set_positions (entry, tmp_pos, tmp_pos);
1303                   break;
1304
1305                 case GDK_2BUTTON_PRESS:
1306                   gtk_entry_select_word (entry);
1307                   break;
1308
1309                 case GDK_3BUTTON_PRESS:
1310                   gtk_entry_select_line (entry);
1311                   break;
1312
1313                 default:
1314                   break;
1315                 }
1316
1317               start = MIN (entry->current_pos, entry->selection_bound);
1318               start = MIN (sel_start, start);
1319
1320               end = MAX (entry->current_pos, entry->selection_bound);
1321               end = MAX (sel_end, end);
1322
1323               if (tmp_pos == sel_start || tmp_pos == sel_end)
1324                 extend_to_left = (tmp_pos == start);
1325               else
1326                 extend_to_left = (end == sel_end);
1327
1328               if (extend_to_left)
1329                 gtk_entry_set_positions (entry, start, end);
1330               else
1331                 gtk_entry_set_positions (entry, end, start);
1332             }
1333         }
1334       else /* no shift key */
1335         switch (event->type)
1336         {
1337         case GDK_BUTTON_PRESS:
1338           if (have_selection && tmp_pos >= sel_start && tmp_pos <= sel_end)
1339             {
1340               /* Click inside the selection - we'll either start a drag, or
1341                * clear the selection
1342                */
1343
1344               entry->in_drag = TRUE;
1345               entry->drag_start_x = event->x + entry->scroll_offset;
1346               entry->drag_start_y = event->y + entry->scroll_offset;
1347             }
1348           else
1349             gtk_editable_set_position (editable, tmp_pos);
1350
1351           break;
1352
1353
1354         case GDK_2BUTTON_PRESS:
1355           /* We ALWAYS receive a GDK_BUTTON_PRESS immediately before
1356            * receiving a GDK_2BUTTON_PRESS so we need to reset
1357            * entry->in_drag which may have been set above
1358            */
1359           entry->in_drag = FALSE;
1360           gtk_entry_select_word (entry);
1361           break;
1362
1363         case GDK_3BUTTON_PRESS:
1364           /* We ALWAYS receive a GDK_BUTTON_PRESS immediately before
1365            * receiving a GDK_3BUTTON_PRESS so we need to reset
1366            * entry->in_drag which may have been set above
1367            */
1368           entry->in_drag = FALSE;
1369           gtk_entry_select_line (entry);
1370           break;
1371
1372         default:
1373           break;
1374         }
1375
1376       return TRUE;
1377     }
1378   else if (event->button == 2 && event->type == GDK_BUTTON_PRESS && entry->editable)
1379     {
1380       gtk_editable_select_region (editable, tmp_pos, tmp_pos);
1381       gtk_entry_paste (entry, GDK_SELECTION_PRIMARY);
1382
1383       return TRUE;
1384     }
1385   else if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
1386     {
1387       gtk_entry_do_popup (entry, event);
1388       entry->button = 0;        /* Don't wait for release, since the menu will gtk_grab_add */
1389
1390       return TRUE;
1391     }
1392
1393   return FALSE;
1394 }
1395
1396 static gint
1397 gtk_entry_button_release (GtkWidget      *widget,
1398                           GdkEventButton *event)
1399 {
1400   GtkEntry *entry = GTK_ENTRY (widget);
1401
1402   if (event->window != entry->text_area || entry->button != event->button)
1403     return FALSE;
1404
1405   if (entry->in_drag)
1406     {
1407       gint tmp_pos = gtk_entry_find_position (entry, entry->drag_start_x);
1408
1409       gtk_editable_set_position (GTK_EDITABLE (entry), tmp_pos);
1410
1411       entry->in_drag = 0;
1412     }
1413
1414   entry->button = 0;
1415
1416   gtk_entry_update_primary_selection (entry);
1417
1418   return TRUE;
1419 }
1420
1421 static gint
1422 gtk_entry_motion_notify (GtkWidget      *widget,
1423                          GdkEventMotion *event)
1424 {
1425   GtkEntry *entry = GTK_ENTRY (widget);
1426   gint tmp_pos;
1427
1428   if (entry->mouse_cursor_obscured)
1429     {
1430       GdkCursor *cursor;
1431
1432       cursor = gdk_cursor_new (GDK_XTERM);
1433       gdk_window_set_cursor (entry->text_area, cursor);
1434       gdk_cursor_unref (cursor);
1435       entry->mouse_cursor_obscured = FALSE;
1436     }
1437
1438   if (event->window != entry->text_area || entry->button !=1)
1439     return FALSE;
1440
1441   if (event->is_hint || (entry->text_area != event->window))
1442     gdk_window_get_pointer (entry->text_area, NULL, NULL, NULL);
1443
1444   if (entry->in_drag)
1445     {
1446       if (gtk_drag_check_threshold (widget,
1447                                     entry->drag_start_x, entry->drag_start_y,
1448                                     event->x + entry->scroll_offset, event->y))
1449         {
1450           GdkDragContext *context;
1451           GtkTargetList *target_list = gtk_target_list_new (target_table, G_N_ELEMENTS (target_table));
1452           guint actions = entry->editable ? GDK_ACTION_COPY | GDK_ACTION_MOVE : GDK_ACTION_COPY;
1453
1454           context = gtk_drag_begin (widget, target_list, actions,
1455                           entry->button, (GdkEvent *)event);
1456
1457
1458           entry->in_drag = FALSE;
1459           entry->button = 0;
1460
1461           gtk_target_list_unref (target_list);
1462           gtk_drag_set_icon_default (context);
1463         }
1464     }
1465   else
1466     {
1467       gint height;
1468       gdk_window_get_size (entry->text_area, NULL, &height);
1469
1470       if (event->y < 0)
1471         tmp_pos = 0;
1472       else if (event->y >= height)
1473         tmp_pos = entry->text_length;
1474       else
1475         tmp_pos = gtk_entry_find_position (entry, event->x + entry->scroll_offset);
1476
1477       gtk_entry_set_positions (entry, tmp_pos, -1);
1478     }
1479
1480   return TRUE;
1481 }
1482
1483 static void
1484 set_invisible_cursor (GdkWindow *window)
1485 {
1486   GdkBitmap *empty_bitmap;
1487   GdkCursor *cursor;
1488   GdkColor useless;
1489   char invisible_cursor_bits[] = { 0x0 };
1490
1491   useless.red = useless.green = useless.blue = 0;
1492   useless.pixel = 0;
1493
1494   empty_bitmap = gdk_bitmap_create_from_data (window,
1495                                               invisible_cursor_bits,
1496                                               1, 1);
1497
1498   cursor = gdk_cursor_new_from_pixmap (empty_bitmap,
1499                                        empty_bitmap,
1500                                        &useless,
1501                                        &useless, 0, 0);
1502
1503   gdk_window_set_cursor (window, cursor);
1504
1505   gdk_cursor_unref (cursor);
1506
1507   g_object_unref (empty_bitmap);
1508 }
1509
1510 static void
1511 gtk_entry_obscure_mouse_cursor (GtkEntry *entry)
1512 {
1513   if (entry->mouse_cursor_obscured)
1514     return;
1515
1516   set_invisible_cursor (entry->text_area);
1517
1518   entry->mouse_cursor_obscured = TRUE;
1519 }
1520
1521 static gint
1522 gtk_entry_key_press (GtkWidget   *widget,
1523                      GdkEventKey *event)
1524 {
1525   GtkEntry *entry = GTK_ENTRY (widget);
1526
1527   if (!entry->editable)
1528     return FALSE;
1529
1530   gtk_entry_pend_cursor_blink (entry);
1531
1532   if (gtk_im_context_filter_keypress (entry->im_context, event))
1533     {
1534       gtk_entry_obscure_mouse_cursor (entry);
1535       entry->need_im_reset = TRUE;
1536       return TRUE;
1537     }
1538   else if (GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event))
1539     /* Activate key bindings
1540      */
1541     return TRUE;
1542
1543   return FALSE;
1544 }
1545
1546 static gint
1547 gtk_entry_key_release (GtkWidget   *widget,
1548                        GdkEventKey *event)
1549 {
1550   GtkEntry *entry = GTK_ENTRY (widget);
1551
1552   if (!entry->editable)
1553     return FALSE;
1554
1555   if (gtk_im_context_filter_keypress (entry->im_context, event))
1556     {
1557       entry->need_im_reset = TRUE;
1558       return TRUE;
1559     }
1560   else
1561     return GTK_WIDGET_CLASS (parent_class)->key_release_event (widget, event);
1562 }
1563
1564 static gint
1565 gtk_entry_focus_in (GtkWidget     *widget,
1566                     GdkEventFocus *event)
1567 {
1568   GtkEntry *entry = GTK_ENTRY (widget);
1569
1570   GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
1571   gtk_widget_queue_draw (widget);
1572
1573   entry->need_im_reset = TRUE;
1574   gtk_im_context_focus_in (entry->im_context);
1575
1576   g_signal_connect (gdk_keymap_get_default (),
1577                     "direction_changed",
1578                     G_CALLBACK (gtk_entry_keymap_direction_changed), entry);
1579
1580   gtk_entry_check_cursor_blink (entry);
1581
1582   return FALSE;
1583 }
1584
1585 static gint
1586 gtk_entry_focus_out (GtkWidget     *widget,
1587                      GdkEventFocus *event)
1588 {
1589   GtkEntry *entry = GTK_ENTRY (widget);
1590
1591   GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
1592   gtk_widget_queue_draw (widget);
1593
1594   entry->need_im_reset = TRUE;
1595   gtk_im_context_focus_out (entry->im_context);
1596
1597   gtk_entry_check_cursor_blink (entry);
1598
1599   g_signal_handlers_disconnect_by_func (gdk_keymap_get_default (),
1600                                         gtk_entry_keymap_direction_changed,
1601                                         entry);
1602
1603   return FALSE;
1604 }
1605
1606 static void
1607 gtk_entry_grab_focus (GtkWidget        *widget)
1608 {
1609   gboolean select_on_focus;
1610
1611   GTK_WIDGET_CLASS (parent_class)->grab_focus (widget);
1612
1613   g_object_get (G_OBJECT (gtk_settings_get_default ()),
1614                 "gtk-entry-select-on-focus",
1615                 &select_on_focus,
1616                 NULL);
1617
1618   if (select_on_focus && !GTK_ENTRY (widget)->in_click)
1619     gtk_editable_select_region (GTK_EDITABLE (widget), 0, -1);
1620 }
1621
1622 static void
1623 gtk_entry_direction_changed (GtkWidget        *widget,
1624                              GtkTextDirection  previous_dir)
1625 {
1626   GtkEntry *entry = GTK_ENTRY (widget);
1627
1628   gtk_entry_recompute (entry);
1629
1630   GTK_WIDGET_CLASS (parent_class)->direction_changed (widget, previous_dir);
1631 }
1632
1633 static void
1634 gtk_entry_state_changed (GtkWidget      *widget,
1635                          GtkStateType    previous_state)
1636 {
1637   if (GTK_WIDGET_REALIZED (widget))
1638     {
1639       gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
1640       gdk_window_set_background (GTK_ENTRY (widget)->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]);
1641     }
1642
1643   gtk_widget_queue_clear (widget);
1644 }
1645
1646 /* GtkEditable method implementations
1647  */
1648 static void
1649 gtk_entry_insert_text (GtkEditable *editable,
1650                        const gchar *new_text,
1651                        gint         new_text_length,
1652                        gint        *position)
1653 {
1654   GtkEntry *entry = GTK_ENTRY (editable);
1655   gchar buf[64];
1656   gchar *text;
1657
1658   if (*position < 0 || *position > entry->text_length)
1659     *position = entry->text_length;
1660
1661   g_object_ref (G_OBJECT (editable));
1662
1663   if (new_text_length <= 63)
1664     text = buf;
1665   else
1666     text = g_new (gchar, new_text_length + 1);
1667
1668   text[new_text_length] = '\0';
1669   strncpy (text, new_text, new_text_length);
1670
1671   g_signal_emit_by_name (editable, "insert_text", text, new_text_length, position);
1672   g_signal_emit_by_name (editable, "changed");
1673   g_object_notify (G_OBJECT (editable), "text");
1674
1675   if (new_text_length > 63)
1676     g_free (text);
1677
1678   g_object_unref (G_OBJECT (editable));
1679 }
1680
1681 static void
1682 gtk_entry_delete_text (GtkEditable *editable,
1683                        gint         start_pos,
1684                        gint         end_pos)
1685 {
1686   GtkEntry *entry = GTK_ENTRY (editable);
1687
1688   if (end_pos < 0 || end_pos > entry->text_length)
1689     end_pos = entry->text_length;
1690   if (start_pos < 0)
1691     start_pos = 0;
1692   if (start_pos > end_pos)
1693     start_pos = end_pos;
1694
1695   g_object_ref (G_OBJECT (editable));
1696
1697   g_signal_emit_by_name (editable, "delete_text", start_pos, end_pos);
1698   g_signal_emit_by_name (editable, "changed");
1699   g_object_notify (G_OBJECT (editable), "text");
1700
1701   g_object_unref (G_OBJECT (editable));
1702 }
1703
1704 static gchar *
1705 gtk_entry_get_chars      (GtkEditable   *editable,
1706                           gint           start_pos,
1707                           gint           end_pos)
1708 {
1709   GtkEntry *entry = GTK_ENTRY (editable);
1710   gint start_index, end_index;
1711
1712   if (end_pos < 0)
1713     end_pos = entry->text_length;
1714
1715   start_pos = MIN (entry->text_length, start_pos);
1716   end_pos = MIN (entry->text_length, end_pos);
1717
1718   start_index = g_utf8_offset_to_pointer (entry->text, start_pos) - entry->text;
1719   end_index = g_utf8_offset_to_pointer (entry->text, end_pos) - entry->text;
1720
1721   return g_strndup (entry->text + start_index, end_index - start_index);
1722 }
1723
1724 static void
1725 gtk_entry_real_set_position (GtkEditable *editable,
1726                              gint         position)
1727 {
1728   GtkEntry *entry = GTK_ENTRY (editable);
1729
1730   if (position < 0 || position > entry->text_length)
1731     position = entry->text_length;
1732
1733   if (position != entry->current_pos ||
1734       position != entry->selection_bound)
1735     {
1736       gtk_entry_reset_im_context (entry);
1737       gtk_entry_set_positions (entry, position, position);
1738     }
1739 }
1740
1741 static gint
1742 gtk_entry_get_position (GtkEditable *editable)
1743 {
1744   return GTK_ENTRY (editable)->current_pos;
1745 }
1746
1747 static void
1748 gtk_entry_set_selection_bounds (GtkEditable *editable,
1749                                 gint         start,
1750                                 gint         end)
1751 {
1752   GtkEntry *entry = GTK_ENTRY (editable);
1753
1754   if (start < 0)
1755     start = entry->text_length;
1756   if (end < 0)
1757     end = entry->text_length;
1758
1759   gtk_entry_reset_im_context (entry);
1760
1761   gtk_entry_set_positions (entry,
1762                            MIN (end, entry->text_length),
1763                            MIN (start, entry->text_length));
1764
1765   gtk_entry_update_primary_selection (entry);
1766 }
1767
1768 static gboolean
1769 gtk_entry_get_selection_bounds (GtkEditable *editable,
1770                                 gint        *start,
1771                                 gint        *end)
1772 {
1773   GtkEntry *entry = GTK_ENTRY (editable);
1774
1775   *start = entry->selection_bound;
1776   *end = entry->current_pos;
1777
1778   return (entry->selection_bound != entry->current_pos);
1779 }
1780
1781 static void
1782 gtk_entry_style_set     (GtkWidget      *widget,
1783                          GtkStyle       *previous_style)
1784 {
1785   GtkEntry *entry = GTK_ENTRY (widget);
1786
1787   if (previous_style && GTK_WIDGET_REALIZED (widget))
1788     {
1789       gtk_entry_recompute (entry);
1790
1791       gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
1792       gdk_window_set_background (entry->text_area, &widget->style->base[GTK_WIDGET_STATE (widget)]);
1793
1794       gtk_entry_realize_cursor_gc (entry);
1795     }
1796 }
1797
1798 /* GtkCellEditable method implementations
1799  */
1800 static void
1801 gtk_cell_editable_entry_activated (GtkEntry *entry, gpointer data)
1802 {
1803   gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (entry));
1804   gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (entry));
1805 }
1806
1807 static gboolean
1808 gtk_cell_editable_key_press_event (GtkEntry    *entry,
1809                                    GdkEventKey *key_event,
1810                                    gpointer     data)
1811 {
1812     if (key_event->keyval == GDK_Escape)
1813       {
1814         entry->editing_canceled = TRUE;
1815         gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (entry));
1816         gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (entry));
1817
1818         return TRUE;
1819       }
1820
1821     return FALSE;
1822 }
1823
1824 static void
1825 gtk_entry_start_editing (GtkCellEditable *cell_editable,
1826                          GdkEvent        *event)
1827 {
1828   GTK_ENTRY (cell_editable)->is_cell_renderer = TRUE;
1829
1830   g_signal_connect (G_OBJECT (cell_editable), "activate",
1831                     G_CALLBACK (gtk_cell_editable_entry_activated), NULL);
1832   g_signal_connect (G_OBJECT (cell_editable), "key_press_event",
1833                     G_CALLBACK (gtk_cell_editable_key_press_event), NULL);
1834 }
1835
1836 /* Default signal handlers
1837  */
1838 static void
1839 gtk_entry_real_insert_text (GtkEditable *editable,
1840                             const gchar *new_text,
1841                             gint         new_text_length,
1842                             gint        *position)
1843 {
1844   gint index;
1845   gint n_chars;
1846
1847   GtkEntry *entry = GTK_ENTRY (editable);
1848
1849   if (new_text_length < 0)
1850     new_text_length = strlen (new_text);
1851
1852   n_chars = g_utf8_strlen (new_text, new_text_length);
1853   if (entry->text_max_length > 0 && n_chars + entry->text_length > entry->text_max_length)
1854     {
1855       gdk_beep ();
1856       n_chars = entry->text_max_length - entry->text_length;
1857       new_text_length = g_utf8_offset_to_pointer (new_text, n_chars) - new_text;
1858     }
1859
1860   if (new_text_length + entry->n_bytes + 1 > entry->text_size)
1861     {
1862       while (new_text_length + entry->n_bytes + 1 > entry->text_size)
1863         {
1864           if (entry->text_size == 0)
1865             entry->text_size = MIN_SIZE;
1866           else
1867             {
1868               if (2 * (guint)entry->text_size < MAX_SIZE &&
1869                   2 * (guint)entry->text_size > entry->text_size)
1870                 entry->text_size *= 2;
1871               else
1872                 {
1873                   entry->text_size = MAX_SIZE;
1874                   new_text_length = entry->text_size - entry->n_bytes - 1;
1875                   break;
1876                 }
1877             }
1878         }
1879
1880       entry->text = g_realloc (entry->text, entry->text_size);
1881     }
1882
1883   index = g_utf8_offset_to_pointer (entry->text, *position) - entry->text;
1884
1885   g_memmove (entry->text + index + new_text_length, entry->text + index, entry->n_bytes - index);
1886   memcpy (entry->text + index, new_text, new_text_length);
1887
1888   entry->n_bytes += new_text_length;
1889   entry->text_length += n_chars;
1890
1891   /* NUL terminate for safety and convenience */
1892   entry->text[entry->n_bytes] = '\0';
1893
1894   if (entry->current_pos > *position)
1895     entry->current_pos += n_chars;
1896
1897   if (entry->selection_bound > *position)
1898     entry->selection_bound += n_chars;
1899
1900   *position += n_chars;
1901
1902   gtk_entry_recompute (entry);
1903 }
1904
1905 static void
1906 gtk_entry_real_delete_text (GtkEditable *editable,
1907                             gint         start_pos,
1908                             gint         end_pos)
1909 {
1910   GtkEntry *entry = GTK_ENTRY (editable);
1911
1912   if (start_pos < 0)
1913     start_pos = 0;
1914   if (end_pos < 0 || end_pos > entry->text_length)
1915     end_pos = entry->text_length;
1916
1917   if (start_pos < end_pos)
1918     {
1919       gint start_index = g_utf8_offset_to_pointer (entry->text, start_pos) - entry->text;
1920       gint end_index = g_utf8_offset_to_pointer (entry->text, end_pos) - entry->text;
1921
1922       g_memmove (entry->text + start_index, entry->text + end_index, entry->n_bytes + 1 - end_index);
1923       entry->text_length -= (end_pos - start_pos);
1924       entry->n_bytes -= (end_index - start_index);
1925
1926       if (entry->current_pos > start_pos)
1927         entry->current_pos -= MIN (entry->current_pos, end_pos) - start_pos;
1928
1929       if (entry->selection_bound > start_pos)
1930         entry->selection_bound -= MIN (entry->selection_bound, end_pos) - start_pos;
1931     }
1932
1933   /* We might have deleted the selection
1934    */
1935   gtk_entry_update_primary_selection (entry);
1936
1937   gtk_entry_recompute (entry);
1938 }
1939
1940 /* Compute the X position for an offset that corresponds to the "more important
1941  * cursor position for that offset. We use this when trying to guess to which
1942  * end of the selection we should go to when the user hits the left or
1943  * right arrow key.
1944  */
1945 static gint
1946 get_better_cursor_x (GtkEntry *entry,
1947                      gint      offset)
1948 {
1949   GtkTextDirection keymap_direction =
1950     (gdk_keymap_get_direction (gdk_keymap_get_default ()) == PANGO_DIRECTION_LTR) ?
1951     GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL;
1952   GtkTextDirection widget_direction = gtk_widget_get_direction (GTK_WIDGET (entry));
1953   gboolean split_cursor;
1954
1955   PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
1956   gint index = g_utf8_offset_to_pointer (entry->text, offset) - entry->text;
1957
1958   PangoRectangle strong_pos, weak_pos;
1959
1960   g_object_get (gtk_widget_get_settings (GTK_WIDGET (entry)),
1961                 "gtk-split-cursor", &split_cursor,
1962                 NULL);
1963
1964   pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
1965
1966   if (split_cursor)
1967     return strong_pos.x / PANGO_SCALE;
1968   else
1969     return (keymap_direction == widget_direction) ? strong_pos.x / PANGO_SCALE : weak_pos.x / PANGO_SCALE;
1970 }
1971
1972 static void
1973 gtk_entry_move_cursor (GtkEntry       *entry,
1974                        GtkMovementStep step,
1975                        gint            count,
1976                        gboolean        extend_selection)
1977 {
1978   gint new_pos = entry->current_pos;
1979
1980   gtk_entry_reset_im_context (entry);
1981
1982   if (entry->current_pos != entry->selection_bound && !extend_selection)
1983     {
1984       /* If we have a current selection and aren't extending it, move to the
1985        * start/or end of the selection as appropriate
1986        */
1987       switch (step)
1988         {
1989         case GTK_MOVEMENT_VISUAL_POSITIONS:
1990           {
1991             gint current_x = get_better_cursor_x (entry, entry->current_pos);
1992             gint bound_x = get_better_cursor_x (entry, entry->selection_bound);
1993
1994             if (count < 0)
1995               new_pos = current_x < bound_x ? entry->current_pos : entry->selection_bound;
1996             else
1997               new_pos = current_x > bound_x ? entry->current_pos : entry->selection_bound;
1998
1999             break;
2000           }
2001         case GTK_MOVEMENT_LOGICAL_POSITIONS:
2002         case GTK_MOVEMENT_WORDS:
2003           if (count < 0)
2004             new_pos = MIN (entry->current_pos, entry->selection_bound);
2005           else
2006             new_pos = MAX (entry->current_pos, entry->selection_bound);
2007           break;
2008         case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
2009         case GTK_MOVEMENT_PARAGRAPH_ENDS:
2010         case GTK_MOVEMENT_BUFFER_ENDS:
2011           new_pos = count < 0 ? 0 : entry->text_length;
2012           break;
2013         case GTK_MOVEMENT_DISPLAY_LINES:
2014         case GTK_MOVEMENT_PARAGRAPHS:
2015         case GTK_MOVEMENT_PAGES:
2016           break;
2017         }
2018     }
2019   else
2020     {
2021       switch (step)
2022         {
2023         case GTK_MOVEMENT_LOGICAL_POSITIONS:
2024           new_pos = gtk_entry_move_logically (entry, new_pos, count);
2025           break;
2026         case GTK_MOVEMENT_VISUAL_POSITIONS:
2027           new_pos = gtk_entry_move_visually (entry, new_pos, count);
2028           break;
2029         case GTK_MOVEMENT_WORDS:
2030           while (count > 0)
2031             {
2032               new_pos = gtk_entry_move_forward_word (entry, new_pos);
2033               count--;
2034             }
2035           while (count < 0)
2036             {
2037               new_pos = gtk_entry_move_backward_word (entry, new_pos);
2038               count++;
2039             }
2040           break;
2041         case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
2042         case GTK_MOVEMENT_PARAGRAPH_ENDS:
2043         case GTK_MOVEMENT_BUFFER_ENDS:
2044           new_pos = count < 0 ? 0 : entry->text_length;
2045           break;
2046         case GTK_MOVEMENT_DISPLAY_LINES:
2047         case GTK_MOVEMENT_PARAGRAPHS:
2048         case GTK_MOVEMENT_PAGES:
2049           break;
2050         }
2051     }
2052
2053   if (extend_selection)
2054     gtk_editable_select_region (GTK_EDITABLE (entry), entry->selection_bound, new_pos);
2055   else
2056     gtk_editable_set_position (GTK_EDITABLE (entry), new_pos);
2057
2058   gtk_entry_pend_cursor_blink (entry);
2059 }
2060
2061 static void
2062 gtk_entry_insert_at_cursor (GtkEntry    *entry,
2063                             const gchar *str)
2064 {
2065   GtkEditable *editable = GTK_EDITABLE (entry);
2066   gint pos = entry->current_pos;
2067
2068   gtk_entry_reset_im_context (entry);
2069
2070   gtk_editable_insert_text (editable, str, -1, &pos);
2071   gtk_editable_set_position (editable, pos);
2072 }
2073
2074 static void
2075 gtk_entry_delete_from_cursor (GtkEntry       *entry,
2076                               GtkDeleteType   type,
2077                               gint            count)
2078 {
2079   GtkEditable *editable = GTK_EDITABLE (entry);
2080   gint start_pos = entry->current_pos;
2081   gint end_pos = entry->current_pos;
2082
2083   gtk_entry_reset_im_context (entry);
2084
2085   if (!entry->editable)
2086     return;
2087
2088   if (entry->selection_bound != entry->current_pos)
2089     {
2090       gtk_editable_delete_selection (editable);
2091       return;
2092     }
2093
2094   switch (type)
2095     {
2096     case GTK_DELETE_CHARS:
2097       end_pos = gtk_entry_move_logically (entry, entry->current_pos, count);
2098       gtk_editable_delete_text (editable, MIN (start_pos, end_pos), MAX (start_pos, end_pos));
2099       break;
2100     case GTK_DELETE_WORDS:
2101       if (count < 0)
2102         {
2103           /* Move to end of current word, or if not on a word, end of previous word */
2104           end_pos = gtk_entry_move_backward_word (entry, end_pos);
2105           end_pos = gtk_entry_move_forward_word (entry, end_pos);
2106         }
2107       else if (count > 0)
2108         {
2109           /* Move to beginning of current word, or if not on a word, begining of next word */
2110           start_pos = gtk_entry_move_forward_word (entry, start_pos);
2111           start_pos = gtk_entry_move_backward_word (entry, start_pos);
2112         }
2113
2114       /* Fall through */
2115     case GTK_DELETE_WORD_ENDS:
2116       while (count < 0)
2117         {
2118           start_pos = gtk_entry_move_backward_word (entry, start_pos);
2119           count++;
2120         }
2121       while (count > 0)
2122         {
2123           end_pos = gtk_entry_move_forward_word (entry, end_pos);
2124           count--;
2125         }
2126       gtk_editable_delete_text (editable, start_pos, end_pos);
2127       break;
2128     case GTK_DELETE_DISPLAY_LINE_ENDS:
2129     case GTK_DELETE_PARAGRAPH_ENDS:
2130       if (count < 0)
2131         gtk_editable_delete_text (editable, 0, entry->current_pos);
2132       else
2133         gtk_editable_delete_text (editable, entry->current_pos, -1);
2134       break;
2135     case GTK_DELETE_DISPLAY_LINES:
2136     case GTK_DELETE_PARAGRAPHS:
2137       gtk_editable_delete_text (editable, 0, -1);
2138       break;
2139     case GTK_DELETE_WHITESPACE:
2140       gtk_entry_delete_whitespace (entry);
2141       break;
2142     }
2143
2144   gtk_entry_pend_cursor_blink (entry);
2145 }
2146
2147 static void
2148 gtk_entry_copy_clipboard (GtkEntry *entry)
2149 {
2150   GtkEditable *editable = GTK_EDITABLE (entry);
2151   gint start, end;
2152
2153   if (gtk_editable_get_selection_bounds (editable, &start, &end))
2154     {
2155       gchar *str = gtk_entry_get_public_chars (entry, start, end);
2156       gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), str, -1);
2157       g_free (str);
2158     }
2159 }
2160
2161 static void
2162 gtk_entry_cut_clipboard (GtkEntry *entry)
2163 {
2164   GtkEditable *editable = GTK_EDITABLE (entry);
2165   gint start, end;
2166
2167   gtk_entry_copy_clipboard (entry);
2168   if (gtk_editable_get_selection_bounds (editable, &start, &end))
2169     gtk_editable_delete_text (editable, start, end);
2170 }
2171
2172 static void
2173 gtk_entry_paste_clipboard (GtkEntry *entry)
2174 {
2175   gtk_entry_paste (entry, GDK_NONE);
2176 }
2177
2178 static void
2179 gtk_entry_toggle_overwrite (GtkEntry *entry)
2180 {
2181   entry->overwrite_mode = !entry->overwrite_mode;
2182 }
2183
2184 static void
2185 gtk_entry_select_all (GtkEntry *entry)
2186 {
2187   gtk_entry_select_line (entry);
2188 }
2189
2190 static void
2191 gtk_entry_real_activate (GtkEntry *entry)
2192 {
2193   GtkWindow *window;
2194   GtkWidget *toplevel;
2195   GtkWidget *widget;
2196
2197   widget = GTK_WIDGET (entry);
2198
2199   if (entry->activates_default)
2200     {
2201       toplevel = gtk_widget_get_toplevel (widget);
2202       if (GTK_IS_WINDOW (toplevel))
2203         {
2204           window = GTK_WINDOW (toplevel);
2205
2206           if (window &&
2207               widget != window->default_widget &&
2208               !(!window->default_widget && widget == window->focus_widget))
2209             gtk_window_activate_default (window);
2210         }
2211     }
2212 }
2213
2214 static void
2215 gtk_entry_keymap_direction_changed (GdkKeymap *keymap,
2216                                     GtkEntry  *entry)
2217 {
2218   gtk_entry_queue_draw (entry);
2219 }
2220
2221 /* IM Context Callbacks
2222  */
2223
2224 static void
2225 gtk_entry_commit_cb (GtkIMContext *context,
2226                      const gchar  *str,
2227                      GtkEntry     *entry)
2228 {
2229   gtk_entry_enter_text (entry, str);
2230 }
2231
2232 static void
2233 gtk_entry_preedit_changed_cb (GtkIMContext *context,
2234                               GtkEntry     *entry)
2235 {
2236   gchar *preedit_string;
2237   gint cursor_pos;
2238
2239   gtk_im_context_get_preedit_string (entry->im_context,
2240                                      &preedit_string, NULL,
2241                                      &cursor_pos);
2242   entry->preedit_length = strlen (preedit_string);
2243   cursor_pos = CLAMP (cursor_pos, 0, g_utf8_strlen (preedit_string, -1));
2244   entry->preedit_cursor = cursor_pos;
2245   g_free (preedit_string);
2246
2247   gtk_entry_recompute (entry);
2248 }
2249
2250 static gboolean
2251 gtk_entry_retrieve_surrounding_cb (GtkIMContext *context,
2252                                GtkEntry     *entry)
2253 {
2254   gtk_im_context_set_surrounding (context,
2255                                   entry->text,
2256                                   entry->n_bytes,
2257                                   g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text);
2258
2259   return TRUE;
2260 }
2261
2262 static gboolean
2263 gtk_entry_delete_surrounding_cb (GtkIMContext *slave,
2264                                  gint          offset,
2265                                  gint          n_chars,
2266                                  GtkEntry     *entry)
2267 {
2268   gtk_editable_delete_text (GTK_EDITABLE (entry),
2269                             entry->current_pos + offset,
2270                             entry->current_pos + offset + n_chars);
2271
2272   return TRUE;
2273 }
2274
2275 /* Internal functions
2276  */
2277
2278 /* Used for im_commit_cb and inserting Unicode chars */
2279 static void
2280 gtk_entry_enter_text (GtkEntry       *entry,
2281                       const gchar    *str)
2282 {
2283   GtkEditable *editable = GTK_EDITABLE (entry);
2284   gint tmp_pos = entry->current_pos;
2285
2286   if (gtk_editable_get_selection_bounds (editable, NULL, NULL))
2287     gtk_editable_delete_selection (editable);
2288   else
2289     {
2290       if (entry->overwrite_mode)
2291         gtk_entry_delete_from_cursor (entry, GTK_DELETE_CHARS, 1);
2292     }
2293
2294   gtk_editable_insert_text (editable, str, strlen (str), &tmp_pos);
2295   gtk_editable_set_position (editable, tmp_pos);
2296 }
2297
2298 /* All changes to entry->current_pos and entry->selection_bound
2299  * should go through this function.
2300  */
2301 static void
2302 gtk_entry_set_positions (GtkEntry *entry,
2303                          gint      current_pos,
2304                          gint      selection_bound)
2305 {
2306   gboolean changed = FALSE;
2307
2308   g_object_freeze_notify (G_OBJECT (entry));
2309
2310   if (current_pos != -1 &&
2311       entry->current_pos != current_pos)
2312     {
2313       entry->current_pos = current_pos;
2314       changed = TRUE;
2315
2316       g_object_notify (G_OBJECT (entry), "cursor_position");
2317     }
2318
2319   if (selection_bound != -1 &&
2320       entry->selection_bound != selection_bound)
2321     {
2322       entry->selection_bound = selection_bound;
2323       changed = TRUE;
2324
2325       g_object_notify (G_OBJECT (entry), "selection_bound");
2326     }
2327
2328   g_object_thaw_notify (G_OBJECT (entry));
2329
2330   if (changed)
2331     gtk_entry_recompute (entry);
2332 }
2333
2334 static void
2335 gtk_entry_reset_layout (GtkEntry *entry)
2336 {
2337   if (entry->cached_layout)
2338     {
2339       g_object_unref (G_OBJECT (entry->cached_layout));
2340       entry->cached_layout = NULL;
2341     }
2342 }
2343
2344 static void
2345 update_im_cursor_location (GtkEntry *entry)
2346 {
2347   GdkRectangle area;
2348   gint strong_x;
2349   gint strong_xoffset;
2350   gint x, y, area_width, area_height;
2351
2352   gtk_entry_get_cursor_locations (entry, CURSOR_STANDARD, &strong_x, NULL)
2353 ;
2354   get_text_area_size (entry, &x, &y, &area_width, &area_height);
2355
2356   strong_xoffset = strong_x - entry->scroll_offset;
2357   if (strong_xoffset < 0)
2358     {
2359       strong_xoffset = 0;
2360     }
2361   else if (strong_xoffset > area_width)
2362     {
2363       strong_xoffset = area_width;
2364     }
2365   area.x = x + strong_xoffset;
2366   area.y = y + area_height;
2367   area.width = area_width;
2368   area.height = area_height;
2369
2370   gtk_im_context_set_cursor_location (entry->im_context, &area);
2371 }
2372
2373 static gboolean
2374 recompute_idle_func (gpointer data)
2375 {
2376   GtkEntry *entry;
2377
2378   GDK_THREADS_ENTER ();
2379
2380   entry = GTK_ENTRY (data);
2381
2382   gtk_entry_adjust_scroll (entry);
2383   gtk_entry_queue_draw (entry);
2384
2385   entry->recompute_idle = FALSE;
2386
2387   update_im_cursor_location (entry);
2388
2389   GDK_THREADS_LEAVE ();
2390
2391   return FALSE;
2392 }
2393
2394 static void
2395 gtk_entry_recompute (GtkEntry *entry)
2396 {
2397   gtk_entry_reset_layout (entry);
2398   gtk_entry_check_cursor_blink (entry);
2399
2400   if (!entry->recompute_idle)
2401     {
2402       entry->recompute_idle = g_idle_add_full (G_PRIORITY_HIGH_IDLE + 15, /* between resize and redraw */
2403                                                recompute_idle_func, entry, NULL);
2404     }
2405 }
2406
2407 static void
2408 append_char (GString *str,
2409              gunichar ch,
2410              gint     count)
2411 {
2412   gint i;
2413   gint char_len;
2414   gchar buf[7];
2415
2416   char_len = g_unichar_to_utf8 (ch, buf);
2417
2418   i = 0;
2419   while (i < count)
2420     {
2421       g_string_append_len (str, buf, char_len);
2422       ++i;
2423     }
2424 }
2425
2426 static PangoLayout *
2427 gtk_entry_create_layout (GtkEntry *entry,
2428                          gboolean  include_preedit)
2429 {
2430   PangoLayout *layout = gtk_widget_create_pango_layout (GTK_WIDGET (entry), NULL);
2431   PangoAttrList *tmp_attrs = pango_attr_list_new ();
2432
2433   gchar *preedit_string = NULL;
2434   gint preedit_length = 0;
2435   PangoAttrList *preedit_attrs = NULL;
2436
2437   pango_layout_set_single_paragraph_mode (layout, TRUE);
2438
2439   if (include_preedit)
2440     {
2441       gtk_im_context_get_preedit_string (entry->im_context,
2442                                          &preedit_string, &preedit_attrs, NULL);
2443       preedit_length = entry->preedit_length;
2444     }
2445
2446   if (preedit_length)
2447     {
2448       GString *tmp_string = g_string_new (NULL);
2449
2450       gint cursor_index = g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text;
2451
2452       if (entry->visible)
2453         {
2454           g_string_prepend_len (tmp_string, entry->text, entry->n_bytes);
2455           g_string_insert (tmp_string, cursor_index, preedit_string);
2456         }
2457       else
2458         {
2459           gint ch_len;
2460           gint preedit_len_chars;
2461           gunichar invisible_char;
2462
2463           ch_len = g_utf8_strlen (entry->text, entry->n_bytes);
2464           preedit_len_chars = g_utf8_strlen (preedit_string, -1);
2465           ch_len += preedit_len_chars;
2466
2467           if (entry->invisible_char != 0)
2468             invisible_char = entry->invisible_char;
2469           else
2470             invisible_char = ' '; /* just pick a char */
2471
2472           append_char (tmp_string, invisible_char, ch_len);
2473
2474           /* Fix cursor index to point to invisible char corresponding
2475            * to the preedit, fix preedit_length to be the length of
2476            * the invisible chars representing the preedit
2477            */
2478           cursor_index =
2479             g_utf8_offset_to_pointer (tmp_string->str, entry->current_pos) -
2480             tmp_string->str;
2481           preedit_length =
2482             preedit_len_chars *
2483             g_unichar_to_utf8 (invisible_char, NULL);
2484         }
2485
2486       pango_layout_set_text (layout, tmp_string->str, tmp_string->len);
2487
2488       pango_attr_list_splice (tmp_attrs, preedit_attrs,
2489                               cursor_index, preedit_length);
2490
2491       g_string_free (tmp_string, TRUE);
2492     }
2493   else
2494     {
2495       if (entry->visible)
2496         {
2497           pango_layout_set_text (layout, entry->text, entry->n_bytes);
2498         }
2499       else
2500         {
2501           GString *str = g_string_new (NULL);
2502           gunichar invisible_char;
2503
2504           if (entry->invisible_char != 0)
2505             invisible_char = entry->invisible_char;
2506           else
2507             invisible_char = ' '; /* just pick a char */
2508
2509           append_char (str, invisible_char, entry->text_length);
2510           pango_layout_set_text (layout, str->str, str->len);
2511           g_string_free (str, TRUE);
2512         }
2513     }
2514
2515   pango_layout_set_attributes (layout, tmp_attrs);
2516
2517   if (preedit_string)
2518     g_free (preedit_string);
2519   if (preedit_attrs)
2520     pango_attr_list_unref (preedit_attrs);
2521
2522   pango_attr_list_unref (tmp_attrs);
2523
2524   return layout;
2525 }
2526
2527 static PangoLayout *
2528 gtk_entry_ensure_layout (GtkEntry *entry,
2529                          gboolean  include_preedit)
2530 {
2531   if (entry->preedit_length > 0 &&
2532       !include_preedit != !entry->cache_includes_preedit)
2533     gtk_entry_reset_layout (entry);
2534
2535   if (!entry->cached_layout)
2536     {
2537       entry->cached_layout = gtk_entry_create_layout (entry, include_preedit);
2538       entry->cache_includes_preedit = include_preedit;
2539     }
2540
2541   return entry->cached_layout;
2542 }
2543
2544 static void
2545 get_layout_position (GtkEntry *entry,
2546                      gint     *x,
2547                      gint     *y)
2548 {
2549   PangoLayout *layout;
2550   PangoRectangle logical_rect;
2551   gint area_width, area_height;
2552   gint y_pos;
2553   PangoLayoutLine *line;
2554
2555   layout = gtk_entry_ensure_layout (entry, TRUE);
2556
2557   get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
2558
2559   area_height = PANGO_SCALE * (area_height - 2 * INNER_BORDER);
2560
2561   line = pango_layout_get_lines (layout)->data;
2562   pango_layout_line_get_extents (line, NULL, &logical_rect);
2563
2564   /* Align primarily for locale's ascent/descent */
2565   y_pos = ((area_height - entry->ascent - entry->descent) / 2 +
2566            entry->ascent + logical_rect.y);
2567
2568   /* Now see if we need to adjust to fit in actual drawn string */
2569   if (logical_rect.height > area_height)
2570     y_pos = (area_height - logical_rect.height) / 2;
2571   else if (y_pos < 0)
2572     y_pos = 0;
2573   else if (y_pos + logical_rect.height > area_height)
2574     y_pos = area_height - logical_rect.height;
2575
2576   y_pos = INNER_BORDER + y_pos / PANGO_SCALE;
2577
2578   if (x)
2579     *x = INNER_BORDER - entry->scroll_offset;
2580
2581   if (y)
2582     *y = y_pos;
2583 }
2584
2585 static void
2586 gtk_entry_draw_text (GtkEntry *entry)
2587 {
2588   GtkWidget *widget;
2589   PangoLayoutLine *line;
2590
2591   if (!entry->visible && entry->invisible_char == 0)
2592     return;
2593
2594   if (GTK_WIDGET_DRAWABLE (entry))
2595     {
2596       PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
2597       gint area_width, area_height;
2598       gint x, y;
2599       gint start_pos, end_pos;
2600
2601       widget = GTK_WIDGET (entry);
2602
2603       get_layout_position (entry, &x, &y);
2604
2605       get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
2606
2607       gtk_paint_flat_box (widget->style, entry->text_area,
2608                           GTK_WIDGET_STATE(widget), GTK_SHADOW_NONE,
2609                           NULL, widget, "entry_bg",
2610                           0, 0, area_width, area_height);
2611
2612       gdk_draw_layout (entry->text_area, widget->style->text_gc [widget->state],
2613                        x, y,
2614                        layout);
2615
2616       if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start_pos, &end_pos))
2617         {
2618           gint *ranges;
2619           gint n_ranges, i;
2620           PangoRectangle logical_rect;
2621           const gchar *text = pango_layout_get_text (layout);
2622           gint start_index = g_utf8_offset_to_pointer (text, start_pos) - text;
2623           gint end_index = g_utf8_offset_to_pointer (text, end_pos) - text;
2624           GdkRegion *clip_region = gdk_region_new ();
2625           GdkGC *text_gc;
2626           GdkGC *selection_gc;
2627
2628           line = pango_layout_get_lines (layout)->data;
2629
2630           pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges);
2631
2632           pango_layout_get_extents (layout, NULL, &logical_rect);
2633
2634           if (GTK_WIDGET_HAS_FOCUS (entry))
2635             {
2636               selection_gc = widget->style->base_gc [GTK_STATE_SELECTED];
2637               text_gc = widget->style->text_gc [GTK_STATE_SELECTED];
2638             }
2639           else
2640             {
2641               selection_gc = widget->style->base_gc [GTK_STATE_ACTIVE];
2642               text_gc = widget->style->text_gc [GTK_STATE_ACTIVE];
2643             }
2644
2645           for (i=0; i < n_ranges; i++)
2646             {
2647               GdkRectangle rect;
2648
2649               rect.x = INNER_BORDER - entry->scroll_offset + ranges[2*i] / PANGO_SCALE;
2650               rect.y = y;
2651               rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE;
2652               rect.height = logical_rect.height / PANGO_SCALE;
2653
2654               gdk_draw_rectangle (entry->text_area, selection_gc, TRUE,
2655                                   rect.x, rect.y, rect.width, rect.height);
2656
2657               gdk_region_union_with_rect (clip_region, &rect);
2658             }
2659
2660           gdk_gc_set_clip_region (text_gc, clip_region);
2661           gdk_draw_layout (entry->text_area, text_gc,
2662                            x, y,
2663                            layout);
2664           gdk_gc_set_clip_region (text_gc, NULL);
2665
2666           gdk_region_destroy (clip_region);
2667           g_free (ranges);
2668         }
2669     }
2670 }
2671
2672 static void
2673 gtk_entry_draw_cursor (GtkEntry  *entry,
2674                        CursorType type)
2675 {
2676   GtkTextDirection keymap_direction =
2677     (gdk_keymap_get_direction (gdk_keymap_get_default ()) == PANGO_DIRECTION_LTR) ?
2678     GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL;
2679   GtkTextDirection widget_direction = gtk_widget_get_direction (GTK_WIDGET (entry));
2680
2681   if (GTK_WIDGET_DRAWABLE (entry))
2682     {
2683       GtkWidget *widget = GTK_WIDGET (entry);
2684       GdkRectangle cursor_location;
2685       gboolean split_cursor;
2686
2687       gint xoffset = INNER_BORDER - entry->scroll_offset;
2688       gint strong_x, weak_x;
2689       gint text_area_height;
2690       GdkGC *gc1 = NULL;
2691       GdkGC *gc2 = NULL;
2692       GtkTextDirection dir1 = GTK_TEXT_DIR_NONE;
2693       GtkTextDirection dir2 = GTK_TEXT_DIR_NONE;
2694       gint x1 = 0;
2695       gint x2 = 0;
2696
2697       gdk_window_get_size (entry->text_area, NULL, &text_area_height);
2698
2699       gtk_entry_get_cursor_locations (entry, type, &strong_x, &weak_x);
2700
2701       g_object_get (gtk_widget_get_settings (widget),
2702                     "gtk-split-cursor", &split_cursor,
2703                     NULL);
2704
2705       if (split_cursor)
2706         {
2707           gc1 = entry->cursor_gc;
2708           x1 = strong_x;
2709
2710           if (weak_x != strong_x)
2711             {
2712               dir1 = widget_direction;
2713               dir2 = (widget_direction == GTK_TEXT_DIR_LTR) ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR;
2714
2715               gc2 = widget->style->text_gc[GTK_STATE_NORMAL];
2716               x2 = weak_x;
2717             }
2718         }
2719       else
2720         {
2721           gc1 = entry->cursor_gc;
2722
2723           if (keymap_direction == widget_direction)
2724             x1 = strong_x;
2725           else
2726             x1 = weak_x;
2727         }
2728
2729       cursor_location.x = xoffset + x1;
2730       cursor_location.y = INNER_BORDER;
2731       cursor_location.width = 0;
2732       cursor_location.height = text_area_height - 2 * INNER_BORDER ;
2733
2734       _gtk_draw_insertion_cursor (widget, entry->text_area, gc1,
2735                                   &cursor_location, dir1);
2736
2737       if (gc2)
2738         {
2739           cursor_location.x = xoffset + x2;
2740           _gtk_draw_insertion_cursor (widget, entry->text_area, gc2,
2741                                       &cursor_location, dir2);
2742         }
2743     }
2744 }
2745
2746 static void
2747 gtk_entry_queue_draw (GtkEntry *entry)
2748 {
2749   if (GTK_WIDGET_REALIZED (entry))
2750     gdk_window_invalidate_rect (entry->text_area, NULL, FALSE);
2751 }
2752
2753 static void
2754 gtk_entry_reset_im_context (GtkEntry *entry)
2755 {
2756   if (entry->need_im_reset)
2757     {
2758       entry->need_im_reset = 0;
2759       gtk_im_context_reset (entry->im_context);
2760     }
2761 }
2762
2763 static gint
2764 gtk_entry_find_position (GtkEntry *entry,
2765                          gint      x)
2766 {
2767   PangoLayout *layout;
2768   PangoLayoutLine *line;
2769   gint index;
2770   gint pos;
2771   gboolean trailing;
2772   gint cursor_index = g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text;
2773
2774   layout = gtk_entry_ensure_layout (entry, TRUE);
2775
2776   line = pango_layout_get_lines (layout)->data;
2777   pango_layout_line_x_to_index (line, x * PANGO_SCALE, &index, &trailing);
2778
2779   if (index >= cursor_index && entry->preedit_length)
2780     {
2781       if (index >= cursor_index + entry->preedit_length)
2782         index -= entry->preedit_length;
2783       else
2784         {
2785           index = cursor_index;
2786           trailing = 0;
2787         }
2788     }
2789
2790   pos = g_utf8_pointer_to_offset (entry->text, entry->text + index);
2791   pos += trailing;
2792
2793   return pos;
2794 }
2795
2796 static void
2797 gtk_entry_get_cursor_locations (GtkEntry   *entry,
2798                                 CursorType  type,
2799                                 gint       *strong_x,
2800                                 gint       *weak_x)
2801 {
2802   PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
2803   const gchar *text;
2804   PangoRectangle strong_pos, weak_pos;
2805   gint index;
2806
2807   if (type == CURSOR_STANDARD)
2808     {
2809       text = pango_layout_get_text (layout);
2810       index = g_utf8_offset_to_pointer (text, entry->current_pos + entry->preedit_cursor) - text;
2811     }
2812   else /* type == CURSOR_DND */
2813     {
2814       index = g_utf8_offset_to_pointer (entry->text, entry->dnd_position) - entry->text;
2815       if (entry->dnd_position > entry->current_pos)
2816         index += entry->preedit_length;
2817     }
2818
2819   pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
2820
2821   if (strong_x)
2822     *strong_x = strong_pos.x / PANGO_SCALE;
2823
2824   if (weak_x)
2825     *weak_x = weak_pos.x / PANGO_SCALE;
2826 }
2827
2828 static void
2829 gtk_entry_adjust_scroll (GtkEntry *entry)
2830 {
2831   gint min_offset, max_offset;
2832   gint text_area_width;
2833   gint strong_x, weak_x;
2834   gint strong_xoffset, weak_xoffset;
2835   PangoLayout *layout;
2836   PangoLayoutLine *line;
2837   PangoRectangle logical_rect;
2838
2839   if (!GTK_WIDGET_REALIZED (entry))
2840     return;
2841
2842   gdk_window_get_size (entry->text_area, &text_area_width, NULL);
2843   text_area_width -= 2 * INNER_BORDER;
2844
2845   layout = gtk_entry_ensure_layout (entry, TRUE);
2846   line = pango_layout_get_lines (layout)->data;
2847
2848   pango_layout_line_get_extents (line, NULL, &logical_rect);
2849
2850   /* Display as much text as we can */
2851
2852   if (gtk_widget_get_direction (GTK_WIDGET (entry)) == GTK_TEXT_DIR_LTR)
2853     {
2854       min_offset = 0;
2855       max_offset = MAX (min_offset, logical_rect.width / PANGO_SCALE - text_area_width);
2856     }
2857   else
2858     {
2859       max_offset = logical_rect.width / PANGO_SCALE - text_area_width;
2860       min_offset = MIN (0, max_offset);
2861     }
2862
2863   entry->scroll_offset = CLAMP (entry->scroll_offset, min_offset, max_offset);
2864
2865   /* And make sure cursors are on screen. Note that the cursor is
2866    * actually drawn one pixel into the INNER_BORDER space on
2867    * the right, when the scroll is at the utmost right. This
2868    * looks better to to me than confining the cursor inside the
2869    * border entirely, though it means that the cursor gets one
2870    * pixel closer to the the edge of the widget on the right than
2871    * on the left. This might need changing if one changed
2872    * INNER_BORDER from 2 to 1, as one would do on a
2873    * small-screen-real-estate display.
2874    *
2875    * We always make sure that the strong cursor is on screen, and
2876    * put the weak cursor on screen if possible.
2877    */
2878
2879   gtk_entry_get_cursor_locations (entry, CURSOR_STANDARD, &strong_x, &weak_x);
2880
2881   strong_xoffset = strong_x - entry->scroll_offset;
2882
2883   if (strong_xoffset < 0)
2884     {
2885       entry->scroll_offset += strong_xoffset;
2886       strong_xoffset = 0;
2887     }
2888   else if (strong_xoffset > text_area_width)
2889     {
2890       entry->scroll_offset += strong_xoffset - text_area_width;
2891       strong_xoffset = text_area_width;
2892     }
2893
2894   weak_xoffset = weak_x - entry->scroll_offset;
2895
2896   if (weak_xoffset < 0 && strong_xoffset - weak_xoffset <= text_area_width)
2897     {
2898       entry->scroll_offset += weak_xoffset;
2899     }
2900   else if (weak_xoffset > text_area_width &&
2901            strong_xoffset - (weak_xoffset - text_area_width) >= 0)
2902     {
2903       entry->scroll_offset += weak_xoffset - text_area_width;
2904     }
2905
2906   g_object_notify (G_OBJECT (entry), "scroll_offset");
2907 }
2908
2909 static gint
2910 gtk_entry_move_visually (GtkEntry *entry,
2911                          gint      start,
2912                          gint      count)
2913 {
2914   gint index;
2915   PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
2916   const gchar *text;
2917
2918   text = pango_layout_get_text (layout);
2919
2920   index = g_utf8_offset_to_pointer (text, start) - text;
2921
2922   while (count != 0)
2923     {
2924       int new_index, new_trailing;
2925       gboolean split_cursor;
2926       gboolean strong;
2927
2928       g_object_get (gtk_widget_get_settings (GTK_WIDGET (entry)),
2929                     "gtk-split-cursor", &split_cursor,
2930                     NULL);
2931
2932       if (split_cursor)
2933         strong = TRUE;
2934       else
2935         {
2936           GtkTextDirection keymap_direction =
2937             (gdk_keymap_get_direction (gdk_keymap_get_default ()) == PANGO_DIRECTION_LTR) ?
2938             GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL;
2939
2940           strong = keymap_direction == gtk_widget_get_direction (GTK_WIDGET (entry));
2941         }
2942
2943       if (count > 0)
2944         {
2945           pango_layout_move_cursor_visually (layout, strong, index, 0, 1, &new_index, &new_trailing);
2946           count--;
2947         }
2948       else
2949         {
2950           pango_layout_move_cursor_visually (layout, strong, index, 0, -1, &new_index, &new_trailing);
2951           count++;
2952         }
2953
2954       if (new_index < 0 || new_index == G_MAXINT)
2955         break;
2956
2957       index = new_index;
2958
2959       while (new_trailing--)
2960         index = g_utf8_next_char (entry->text + new_index) - entry->text;
2961     }
2962
2963   return g_utf8_pointer_to_offset (text, text + index);
2964 }
2965
2966 static gint
2967 gtk_entry_move_logically (GtkEntry *entry,
2968                           gint      start,
2969                           gint      count)
2970 {
2971   gint new_pos = start;
2972
2973   /* Prevent any leak of information */
2974   if (!entry->visible)
2975     {
2976       new_pos = CLAMP (start + count, 0, entry->text_length);
2977     }
2978   else if (entry->text)
2979     {
2980       PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
2981       PangoLogAttr *log_attrs;
2982       gint n_attrs;
2983
2984       pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
2985
2986       while (count > 0 && new_pos < entry->text_length)
2987         {
2988           do
2989             new_pos++;
2990           while (new_pos < entry->text_length && !log_attrs[new_pos].is_cursor_position);
2991
2992           count--;
2993         }
2994       while (count < 0 && new_pos > 0)
2995         {
2996           do
2997             new_pos--;
2998           while (new_pos > 0 && !log_attrs[new_pos].is_cursor_position);
2999
3000           count++;
3001         }
3002
3003       g_free (log_attrs);
3004     }
3005
3006   return new_pos;
3007 }
3008
3009 static gint
3010 gtk_entry_move_forward_word (GtkEntry *entry,
3011                              gint      start)
3012 {
3013   gint new_pos = start;
3014
3015   /* Prevent any leak of information */
3016   if (!entry->visible)
3017     {
3018       new_pos = entry->text_length;
3019     }
3020   else if (entry->text && (new_pos < entry->text_length))
3021     {
3022       PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
3023       PangoLogAttr *log_attrs;
3024       gint n_attrs;
3025
3026       pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
3027
3028       /* Find the next word end */
3029       new_pos++;
3030       while (new_pos < n_attrs && !log_attrs[new_pos].is_word_end)
3031         new_pos++;
3032
3033       g_free (log_attrs);
3034     }
3035
3036   return new_pos;
3037 }
3038
3039
3040 static gint
3041 gtk_entry_move_backward_word (GtkEntry *entry,
3042                               gint      start)
3043 {
3044   gint new_pos = start;
3045
3046   /* Prevent any leak of information */
3047   if (!entry->visible)
3048     {
3049       new_pos = 0;
3050     }
3051   else if (entry->text && start > 0)
3052     {
3053       PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
3054       PangoLogAttr *log_attrs;
3055       gint n_attrs;
3056
3057       pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
3058
3059       new_pos = start - 1;
3060
3061       /* Find the previous word beginning */
3062       while (new_pos > 0 && !log_attrs[new_pos].is_word_start)
3063         new_pos--;
3064
3065       g_free (log_attrs);
3066     }
3067
3068   return new_pos;
3069 }
3070
3071 static void
3072 gtk_entry_delete_whitespace (GtkEntry *entry)
3073 {
3074   PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
3075   PangoLogAttr *log_attrs;
3076   gint n_attrs;
3077   gint start, end;
3078
3079   pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
3080
3081   start = end = entry->current_pos;
3082
3083   while (start > 0 && log_attrs[start-1].is_white)
3084     start--;
3085
3086   while (end < n_attrs && log_attrs[end].is_white)
3087     end++;
3088
3089   g_free (log_attrs);
3090
3091   if (start != end)
3092     gtk_editable_delete_text (GTK_EDITABLE (entry), start, end);
3093 }
3094
3095
3096 static void
3097 gtk_entry_select_word (GtkEntry *entry)
3098 {
3099   gint start_pos = gtk_entry_move_backward_word (entry, entry->current_pos);
3100   gint end_pos = gtk_entry_move_forward_word (entry, entry->current_pos);
3101
3102   gtk_editable_select_region (GTK_EDITABLE (entry), start_pos, end_pos);
3103 }
3104
3105 static void
3106 gtk_entry_select_line (GtkEntry *entry)
3107 {
3108   gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
3109 }
3110
3111 /*
3112  * Like gtk_editable_get_chars, but if the editable is not
3113  * visible, return asterisks; also convert result to UTF-8.
3114  */
3115 static char *
3116 gtk_entry_get_public_chars (GtkEntry *entry,
3117                             gint      start,
3118                             gint      end)
3119 {
3120   if (end < 0)
3121     end = entry->text_length;
3122
3123   if (entry->visible)
3124     return gtk_editable_get_chars (GTK_EDITABLE (entry), start, end);
3125   else
3126     {
3127       gchar *str;
3128       gint i;
3129       gint n_chars = end - start;
3130
3131       str = g_malloc (n_chars + 1);
3132       for (i = 0; i < n_chars; i++)
3133         str[i] = '*';
3134       str[i] = '\0';
3135
3136       return str;
3137     }
3138
3139 }
3140
3141 static void
3142 paste_received (GtkClipboard *clipboard,
3143                 const gchar  *text,
3144                 gpointer      data)
3145 {
3146   GtkEntry *entry = GTK_ENTRY (data);
3147   GtkEditable *editable = GTK_EDITABLE (entry);
3148
3149   if (text)
3150     {
3151       gint pos, start, end;
3152
3153       if (gtk_editable_get_selection_bounds (editable, &start, &end))
3154         gtk_editable_delete_text (editable, start, end);
3155
3156       pos = entry->current_pos;
3157       gtk_editable_insert_text (editable, text, -1, &pos);
3158       gtk_editable_set_position (editable, pos);
3159     }
3160
3161   g_object_unref (G_OBJECT (entry));
3162 }
3163
3164 static void
3165 gtk_entry_paste (GtkEntry *entry,
3166                  GdkAtom   selection)
3167 {
3168   g_object_ref (G_OBJECT (entry));
3169   gtk_clipboard_request_text (gtk_clipboard_get (selection),
3170                               paste_received, entry);
3171 }
3172
3173 static void
3174 primary_get_cb (GtkClipboard     *clipboard,
3175                 GtkSelectionData *selection_data,
3176                 guint             info,
3177                 gpointer          data)
3178 {
3179   GtkEntry *entry = GTK_ENTRY (data);
3180   gint start, end;
3181
3182   if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
3183     {
3184       gchar *str = gtk_entry_get_public_chars (entry, start, end);
3185       gtk_selection_data_set_text (selection_data, str, -1);
3186       g_free (str);
3187     }
3188 }
3189
3190 static void
3191 primary_clear_cb (GtkClipboard *clipboard,
3192                   gpointer      data)
3193 {
3194   GtkEntry *entry = GTK_ENTRY (data);
3195
3196   gtk_editable_select_region (GTK_EDITABLE (entry), entry->current_pos, entry->current_pos);
3197 }
3198
3199 static void
3200 gtk_entry_update_primary_selection (GtkEntry *entry)
3201 {
3202   static const GtkTargetEntry targets[] = {
3203     { "UTF8_STRING", 0, 0 },
3204     { "STRING", 0, 0 },
3205     { "TEXT",   0, 0 },
3206     { "COMPOUND_TEXT", 0, 0 }
3207   };
3208
3209   GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
3210   gint start, end;
3211
3212   if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
3213     {
3214       if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets),
3215                                          primary_get_cb, primary_clear_cb, G_OBJECT (entry)))
3216         primary_clear_cb (clipboard, entry);
3217     }
3218   else
3219     {
3220       if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (entry))
3221         gtk_clipboard_clear (clipboard);
3222     }
3223 }
3224
3225 /* Public API
3226  */
3227
3228 GtkWidget*
3229 gtk_entry_new (void)
3230 {
3231   return GTK_WIDGET (gtk_type_new (GTK_TYPE_ENTRY));
3232 }
3233
3234 GtkWidget*
3235 gtk_entry_new_with_max_length (gint max)
3236 {
3237   GtkEntry *entry;
3238
3239   entry = gtk_type_new (GTK_TYPE_ENTRY);
3240   entry->text_max_length = max;
3241
3242   return GTK_WIDGET (entry);
3243 }
3244
3245 void
3246 gtk_entry_set_text (GtkEntry *entry,
3247                     const gchar *text)
3248 {
3249   gint tmp_pos;
3250
3251   g_return_if_fail (GTK_IS_ENTRY (entry));
3252   g_return_if_fail (text != NULL);
3253
3254   gtk_editable_delete_text (GTK_EDITABLE (entry), 0, -1);
3255
3256   tmp_pos = 0;
3257   gtk_editable_insert_text (GTK_EDITABLE (entry), text, strlen (text), &tmp_pos);
3258 }
3259
3260 void
3261 gtk_entry_append_text (GtkEntry *entry,
3262                        const gchar *text)
3263 {
3264   gint tmp_pos;
3265
3266   g_return_if_fail (GTK_IS_ENTRY (entry));
3267   g_return_if_fail (text != NULL);
3268
3269   tmp_pos = entry->text_length;
3270   gtk_editable_insert_text (GTK_EDITABLE (entry), text, -1, &tmp_pos);
3271 }
3272
3273 void
3274 gtk_entry_prepend_text (GtkEntry *entry,
3275                         const gchar *text)
3276 {
3277   gint tmp_pos;
3278
3279   g_return_if_fail (GTK_IS_ENTRY (entry));
3280   g_return_if_fail (text != NULL);
3281
3282   tmp_pos = 0;
3283   gtk_editable_insert_text (GTK_EDITABLE (entry), text, -1, &tmp_pos);
3284 }
3285
3286 void
3287 gtk_entry_set_position (GtkEntry *entry,
3288                         gint       position)
3289 {
3290   g_return_if_fail (GTK_IS_ENTRY (entry));
3291
3292   gtk_editable_set_position (GTK_EDITABLE (entry), position);
3293 }
3294
3295 void
3296 gtk_entry_set_visibility (GtkEntry *entry,
3297                           gboolean visible)
3298 {
3299   g_return_if_fail (GTK_IS_ENTRY (entry));
3300
3301   entry->visible = visible ? TRUE : FALSE;
3302   g_object_notify (G_OBJECT (entry), "visibility");
3303   gtk_entry_recompute (entry);
3304 }
3305
3306 /**
3307  * gtk_entry_get_visibility:
3308  * @entry: a #GtkEntry
3309  *
3310  * Retrieves whether the text in @entry is visible. See
3311  * gtk_entry_set_visibility().
3312  *
3313  * Return value: %TRUE if the text is currently visible
3314  **/
3315 gboolean
3316 gtk_entry_get_visibility (GtkEntry *entry)
3317 {
3318   g_return_val_if_fail (GTK_IS_ENTRY (entry), FALSE);
3319
3320   return entry->visible;
3321 }
3322
3323 /**
3324  * gtk_entry_set_invisible_char:
3325  * @entry: a #GtkEntry
3326  * @ch: a Unicode character
3327  *
3328  * Sets the character to use in place of the actual text when
3329  * gtk_entry_set_visibility() has been called to set text visibility
3330  * to %FALSE. i.e. this is the character used in "password mode" to
3331  * show the user how many characters have been typed. The default
3332  * invisible char is an asterisk ('*').  If you set the invisible char
3333  * to 0, then the user will get no feedback at all; there will be
3334  * no text on the screen as they type.
3335  *
3336  **/
3337 void
3338 gtk_entry_set_invisible_char (GtkEntry *entry,
3339                               gunichar  ch)
3340 {
3341   g_return_if_fail (GTK_IS_ENTRY (entry));
3342
3343   if (ch == entry->invisible_char)
3344     return;
3345
3346   entry->invisible_char = ch;
3347   g_object_notify (G_OBJECT (entry), "invisible_char");
3348   gtk_entry_recompute (entry);
3349 }
3350
3351 /**
3352  * gtk_entry_get_invisible_char:
3353  * @entry: a #GtkEntry
3354  *
3355  * Retrieves the character displayed in place of the real characters
3356  * for entries with visisbility set to false. See gtk_entry_set_invisible_char().
3357  *
3358  * Return value: the current invisible char, or 0, if the entry does not
3359  *               show invisible text at all.
3360  **/
3361 gunichar
3362 gtk_entry_get_invisible_char (GtkEntry *entry)
3363 {
3364   g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
3365
3366   return entry->invisible_char;
3367 }
3368
3369 void
3370 gtk_entry_set_editable (GtkEntry *entry,
3371                         gboolean  editable)
3372 {
3373   g_return_if_fail (GTK_IS_ENTRY (entry));
3374
3375   gtk_editable_set_editable (GTK_EDITABLE (entry), editable);
3376 }
3377
3378 G_CONST_RETURN gchar*
3379 gtk_entry_get_text (GtkEntry *entry)
3380 {
3381   g_return_val_if_fail (GTK_IS_ENTRY (entry), NULL);
3382
3383   return entry->text;
3384 }
3385
3386 void
3387 gtk_entry_select_region  (GtkEntry       *entry,
3388                           gint            start,
3389                           gint            end)
3390 {
3391   gtk_editable_select_region (GTK_EDITABLE (entry), start, end);
3392 }
3393
3394 void
3395 gtk_entry_set_max_length (GtkEntry     *entry,
3396                           gint          max)
3397 {
3398   g_return_if_fail (GTK_IS_ENTRY (entry));
3399
3400   if (max > 0 && entry->text_length > max)
3401     gtk_editable_delete_text (GTK_EDITABLE (entry), max, -1);
3402
3403   entry->text_max_length = max;
3404   g_object_notify (G_OBJECT (entry), "max_length");
3405 }
3406
3407 /**
3408  * gtk_entry_get_max_length:
3409  * @entry: a #GtkEntry
3410  *
3411  * Retrieves the maximum allowed length of the text in
3412  * @entry. See gtk_entry_set_max_length().
3413  *
3414  * Return value: the maximum allowed number of characters
3415  *               in #GtkEntry, or 0 if there is no maximum.
3416  **/
3417 gint
3418 gtk_entry_get_max_length (GtkEntry *entry)
3419 {
3420   g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
3421
3422   return entry->text_max_length;
3423 }
3424
3425 /**
3426  * gtk_entry_set_activates_default:
3427  * @entry: a #GtkEntry
3428  * @setting: %TRUE to activate window's default widget on Enter keypress
3429  *
3430  * If @setting is %TRUE, pressing Enter in the @entry will activate the default
3431  * widget for the window containing the entry. This usually means that
3432  * the dialog box containing the entry will be closed, since the default
3433  * widget is usually one of the dialog buttons.
3434  *
3435  * (For experts: if @setting is %TRUE, the entry calls
3436  * gtk_window_activate_default() on the window containing the entry, in
3437  * the default handler for the "activate" signal.)
3438  *
3439  **/
3440 void
3441 gtk_entry_set_activates_default (GtkEntry *entry,
3442                                  gboolean  setting)
3443 {
3444   g_return_if_fail (GTK_IS_ENTRY (entry));
3445   setting = setting != FALSE;
3446
3447   if (setting != entry->activates_default)
3448     {
3449       entry->activates_default = setting;
3450       g_object_notify (G_OBJECT (entry), "activates_default");
3451     }
3452 }
3453
3454 /**
3455  * gtk_entry_get_activates_default:
3456  * @entry: a #GtkEntry
3457  *
3458  * Retrieves the value set by gtk_entry_set_activates_default().
3459  *
3460  * Return value: %TRUE if the entry will activate the default widget
3461  **/
3462 gboolean
3463 gtk_entry_get_activates_default (GtkEntry *entry)
3464 {
3465   g_return_val_if_fail (GTK_IS_ENTRY (entry), FALSE);
3466
3467   return entry->activates_default;
3468 }
3469
3470 /**
3471  * gtk_entry_set_width_chars:
3472  * @entry: a #GtkEntry
3473  * @n_chars: width in chars
3474  *
3475  * Changes the size request of the entry to be about the right size
3476  * for @n_chars characters. Note that it changes the size
3477  * <emphasis>request</emphasis>, the size can still be affected by
3478  * how you pack the widget into containers. If @n_chars is -1, the
3479  * size reverts to the default entry size.
3480  *
3481  **/
3482 void
3483 gtk_entry_set_width_chars (GtkEntry *entry,
3484                            gint      n_chars)
3485 {
3486   g_return_if_fail (GTK_IS_ENTRY (entry));
3487
3488   if (entry->width_chars != n_chars)
3489     {
3490       entry->width_chars = n_chars;
3491       g_object_notify (G_OBJECT (entry), "width_chars");
3492       gtk_widget_queue_resize (GTK_WIDGET (entry));
3493     }
3494 }
3495
3496 /**
3497  * gtk_entry_get_width_chars:
3498  * @entry: a #GtkEntry
3499  *
3500  * Gets the value set by gtk_entry_set_width_chars().
3501  *
3502  * Return value: number of chars to request space for, or negative if unset
3503  **/
3504 gint
3505 gtk_entry_get_width_chars (GtkEntry *entry)
3506 {
3507   g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
3508
3509   return entry->width_chars;
3510 }
3511
3512 /**
3513  * gtk_entry_set_has_frame:
3514  * @entry: a #GtkEntry
3515  * @setting: new value
3516  *
3517  * Sets whether the entry has a beveled frame around it.
3518  **/
3519 void
3520 gtk_entry_set_has_frame (GtkEntry *entry,
3521                          gboolean  setting)
3522 {
3523   g_return_if_fail (GTK_IS_ENTRY (entry));
3524
3525   setting = (setting != FALSE);
3526
3527   if (entry->has_frame == setting)
3528     return;
3529
3530   gtk_widget_queue_resize (GTK_WIDGET (entry));
3531   entry->has_frame = setting;
3532   g_object_notify (G_OBJECT (entry), "has_frame");
3533 }
3534
3535 /**
3536  * gtk_entry_get_has_frame:
3537  * @entry: a #GtkEntry
3538  *
3539  * Gets the value set by gtk_entry_set_has_frame().
3540  *
3541  * Return value: whether the entry has a beveled frame
3542  **/
3543 gboolean
3544 gtk_entry_get_has_frame (GtkEntry *entry)
3545 {
3546   g_return_val_if_fail (GTK_IS_ENTRY (entry), FALSE);
3547
3548   return entry->has_frame;
3549 }
3550
3551
3552 /**
3553  * gtk_entry_get_layout:
3554  * @entry: a #GtkEntry
3555  *
3556  * Gets the #PangoLayout used to display the entry.
3557  * The layout is useful to e.g. convert text positions to
3558  * pixel positions, in combination with gtk_entry_get_layout_offsets().
3559  * The returned layout is owned by the entry so need not be
3560  * freed by the caller.
3561  *
3562  * Keep in mind that the layout text may contain a preedit string, so
3563  * gtk_entry_layout_index_to_text_index() and
3564  * gtk_entry_text_index_to_layout_index() are needed to convert byte
3565  * indices in the layout to byte indices in the entry contents.
3566  *
3567  * Return value: the #PangoLayout for this entry
3568  **/
3569 PangoLayout*
3570 gtk_entry_get_layout (GtkEntry *entry)
3571 {
3572   PangoLayout *layout;
3573
3574   g_return_val_if_fail (GTK_IS_ENTRY (entry), NULL);
3575
3576   layout = gtk_entry_ensure_layout (entry, TRUE);
3577
3578   return layout;
3579 }
3580
3581
3582 /**
3583  * gtk_entry_layout_index_to_text_index:
3584  * @entry: a #GtkEntry
3585  * @layout_index: byte index into the entry layout text
3586  *
3587  * Converts from a position in the entry contents (returned
3588  * by gtk_entry_get_text()) to a position in the
3589  * entry's #PangoLayout (returned by gtk_entry_get_layout(),
3590  * with text retrieved via pango_layout_get_text()).
3591  *
3592  * Return value: byte index into the entry contents
3593  **/
3594 gint
3595 gtk_entry_layout_index_to_text_index (GtkEntry *entry,
3596                                       gint      layout_index)
3597 {
3598   gint cursor_index;
3599
3600   g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
3601
3602   cursor_index = g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text;
3603
3604   if (layout_index >= cursor_index && entry->preedit_length)
3605     {
3606       if (layout_index >= cursor_index + entry->preedit_length)
3607         layout_index -= entry->preedit_length;
3608       else
3609         layout_index = cursor_index;
3610     }
3611
3612   return layout_index;
3613 }
3614
3615 /**
3616  * gtk_entry_text_index_to_layout_index:
3617  * @entry: a #GtkEntry
3618  * @text_index: byte index into the entry contents
3619  *
3620  * Converts from a position in the entry's #PangoLayout(returned by
3621  * gtk_entry_get_layout()) to a position in the entry contents
3622  * (returned by gtk_entry_get_text()).
3623  *
3624  * Return value: byte index into the entry layout text
3625  **/
3626 gint
3627 gtk_entry_text_index_to_layout_index (GtkEntry *entry,
3628                                       gint      text_index)
3629 {
3630   gint cursor_index;
3631   g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
3632
3633   cursor_index = g_utf8_offset_to_pointer (entry->text, entry->current_pos) - entry->text;
3634
3635   if (text_index > cursor_index)
3636     text_index += entry->preedit_length;
3637
3638   return text_index;
3639 }
3640
3641 /**
3642  * gtk_entry_get_layout_offsets:
3643  * @entry: a #GtkEntry
3644  * @x: location to store X offset of layout, or %NULL
3645  * @y: location to store Y offset of layout, or %NULL
3646  *
3647  *
3648  * Obtains the position of the #PangoLayout used to render text
3649  * in the entry, in widget coordinates. Useful if you want to line
3650  * up the text in an entry with some other text, e.g. when using the
3651  * entry to implement editable cells in a sheet widget.
3652  *
3653  * Also useful to convert mouse events into coordinates inside the
3654  * #PangoLayout, e.g. to take some action if some part of the entry text
3655  * is clicked.
3656  *
3657  * Note that as the user scrolls around in the entry the offsets will
3658  * change; you'll need to connect to the "notify::scroll_offset"
3659  * signal to track this. Remember when using the #PangoLayout
3660  * functions you need to convert to and from pixels using
3661  * PANGO_PIXELS() or #PANGO_SCALE.
3662  *
3663  * Keep in mind that the layout text may contain a preedit string, so
3664  * gtk_entry_layout_index_to_text_index() and
3665  * gtk_entry_text_index_to_layout_index() are needed to convert byte
3666  * indices in the layout to byte indices in the entry contents.
3667  *
3668  **/
3669 void
3670 gtk_entry_get_layout_offsets (GtkEntry *entry,
3671                               gint     *x,
3672                               gint     *y)
3673 {
3674   gint text_area_x, text_area_y;
3675
3676   g_return_if_fail (GTK_IS_ENTRY (entry));
3677
3678   /* this gets coords relative to text area */
3679   get_layout_position (entry, x, y);
3680
3681   /* convert to widget coords */
3682   get_text_area_size (entry, &text_area_x, &text_area_y, NULL, NULL);
3683
3684   if (x)
3685     *x += text_area_x;
3686
3687   if (y)
3688     *y += text_area_y;
3689 }
3690
3691 /* Quick hack of a popup menu
3692  */
3693 static void
3694 activate_cb (GtkWidget *menuitem,
3695              GtkEntry  *entry)
3696 {
3697   const gchar *signal = gtk_object_get_data (GTK_OBJECT (menuitem), "gtk-signal");
3698   gtk_signal_emit_by_name (GTK_OBJECT (entry), signal);
3699 }
3700
3701
3702 static gboolean
3703 gtk_entry_mnemonic_activate (GtkWidget *widget,
3704                              gboolean   group_cycling)
3705 {
3706   gtk_widget_grab_focus (widget);
3707   return TRUE;
3708 }
3709
3710 static void
3711 append_action_signal (GtkEntry     *entry,
3712                       GtkWidget    *menu,
3713                       const gchar  *stock_id,
3714                       const gchar  *signal,
3715                       gboolean      sensitive)
3716 {
3717   GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
3718
3719   gtk_object_set_data (GTK_OBJECT (menuitem), "gtk-signal", (char *)signal);
3720   gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
3721                       GTK_SIGNAL_FUNC (activate_cb), entry);
3722
3723   gtk_widget_set_sensitive (menuitem, sensitive);
3724
3725   gtk_widget_show (menuitem);
3726   gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
3727 }
3728
3729 static void
3730 popup_menu_detach (GtkWidget *attach_widget,
3731                    GtkMenu   *menu)
3732 {
3733   GTK_ENTRY (attach_widget)->popup_menu = NULL;
3734 }
3735
3736 static void
3737 popup_position_func (GtkMenu   *menu,
3738                      gint      *x,
3739                      gint      *y,
3740                      gboolean  *push_in,
3741                      gpointer   user_data)
3742 {
3743   GtkEntry *entry = GTK_ENTRY (user_data);
3744   GtkWidget *widget = GTK_WIDGET (entry);
3745   GtkRequisition req;
3746
3747   g_return_if_fail (GTK_WIDGET_REALIZED (entry));
3748
3749   gdk_window_get_origin (widget->window, x, y);
3750
3751   gtk_widget_size_request (entry->popup_menu, &req);
3752
3753   *x += widget->allocation.width / 2;
3754   *y += widget->allocation.height;
3755
3756   *x = CLAMP (*x, 0, MAX (0, gdk_screen_width () - req.width));
3757   *y = CLAMP (*y, 0, MAX (0, gdk_screen_height () - req.height));
3758 }
3759
3760
3761 static void
3762 unichar_chosen_func (const char *text,
3763                      gpointer    data)
3764 {
3765   GtkEntry *entry = GTK_ENTRY (data);
3766
3767   gtk_entry_enter_text (entry, text);
3768 }
3769
3770 typedef struct
3771 {
3772   GtkEntry *entry;
3773   gint button;
3774   guint time;
3775 } PopupInfo;
3776
3777 static void
3778 popup_targets_received (GtkClipboard     *clipboard,
3779                         GtkSelectionData *data,
3780                         gpointer          user_data)
3781 {
3782   PopupInfo *info = user_data;
3783   GtkEntry *entry = info->entry;
3784
3785   if (GTK_WIDGET_REALIZED (entry))
3786     {
3787       gboolean clipboard_contains_text = gtk_selection_data_targets_include_text (data);
3788       GtkWidget *menuitem;
3789       GtkWidget *submenu;
3790
3791       if (entry->popup_menu)
3792         gtk_widget_destroy (entry->popup_menu);
3793
3794       entry->popup_menu = gtk_menu_new ();
3795
3796       gtk_menu_attach_to_widget (GTK_MENU (entry->popup_menu),
3797                                  GTK_WIDGET (entry),
3798                                  popup_menu_detach);
3799
3800       append_action_signal (entry, entry->popup_menu, GTK_STOCK_CUT, "cut_clipboard",
3801                             entry->editable && entry->current_pos != entry->selection_bound);
3802       append_action_signal (entry, entry->popup_menu, GTK_STOCK_COPY, "copy_clipboard",
3803                             entry->current_pos != entry->selection_bound);
3804       append_action_signal (entry, entry->popup_menu, GTK_STOCK_PASTE, "paste_clipboard",
3805                             entry->editable && clipboard_contains_text);
3806
3807       menuitem = gtk_menu_item_new_with_label (_("Select All"));
3808       gtk_signal_connect_object (GTK_OBJECT (menuitem), "activate",
3809                                  GTK_SIGNAL_FUNC (gtk_entry_select_all), entry);
3810       gtk_widget_show (menuitem);
3811       gtk_menu_shell_append (GTK_MENU_SHELL (entry->popup_menu), menuitem);
3812
3813       menuitem = gtk_separator_menu_item_new ();
3814       gtk_widget_show (menuitem);
3815       gtk_menu_shell_append (GTK_MENU_SHELL (entry->popup_menu), menuitem);
3816
3817       menuitem = gtk_menu_item_new_with_label (_("Input Methods"));
3818       gtk_widget_show (menuitem);
3819       submenu = gtk_menu_new ();
3820       gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
3821
3822       gtk_menu_shell_append (GTK_MENU_SHELL (entry->popup_menu), menuitem);
3823
3824       gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (entry->im_context),
3825                                             GTK_MENU_SHELL (submenu));
3826
3827       menuitem = gtk_menu_item_new_with_mnemonic (_("_Insert Unicode control character"));
3828       gtk_widget_show (menuitem);
3829
3830       submenu = gtk_menu_new ();
3831       gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
3832       gtk_menu_shell_append (GTK_MENU_SHELL (entry->popup_menu), menuitem);
3833
3834       _gtk_text_util_append_special_char_menuitems (GTK_MENU_SHELL (submenu),
3835                                                     unichar_chosen_func,
3836                                                     entry);
3837       if (!entry->editable)
3838         gtk_widget_set_sensitive (menuitem, FALSE);
3839
3840       gtk_signal_emit (GTK_OBJECT (entry),
3841                        signals[POPULATE_POPUP],
3842                        entry->popup_menu);
3843
3844
3845       if (info->button)
3846         gtk_menu_popup (GTK_MENU (entry->popup_menu), NULL, NULL,
3847                         NULL, NULL,
3848                         info->button, info->time);
3849       else
3850         {
3851           gtk_menu_popup (GTK_MENU (entry->popup_menu), NULL, NULL,
3852                           popup_position_func, entry,
3853                           info->button, info->time);
3854           _gtk_menu_shell_select_first (GTK_MENU_SHELL (entry->popup_menu));
3855         }
3856     }
3857
3858   g_object_unref (entry);
3859   g_free (info);
3860 }
3861
3862 static void
3863 gtk_entry_do_popup (GtkEntry       *entry,
3864                     GdkEventButton *event)
3865 {
3866   PopupInfo *info = g_new (PopupInfo, 1);
3867
3868   /* In order to know what entries we should make sensitive, we
3869    * ask for the current targets of the clipboard, and when
3870    * we get them, then we actually pop up the menu.
3871    */
3872   info->entry = g_object_ref (entry);
3873
3874   if (event)
3875     {
3876       info->button = event->button;
3877       info->time = event->time;
3878     }
3879   else
3880     {
3881       info->button = 0;
3882       info->time = gtk_get_current_event_time ();
3883     }
3884
3885   gtk_clipboard_request_contents (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD),
3886                                   gdk_atom_intern ("TARGETS", FALSE),
3887                                   popup_targets_received,
3888                                   info);
3889 }
3890
3891 static gboolean
3892 gtk_entry_popup_menu (GtkWidget *widget)
3893 {
3894   gtk_entry_do_popup (GTK_ENTRY (widget), NULL);
3895   return TRUE;
3896 }
3897
3898 static void
3899 gtk_entry_drag_leave (GtkWidget        *widget,
3900                       GdkDragContext   *context,
3901                       guint             time)
3902 {
3903   GtkEntry *entry = GTK_ENTRY (widget);
3904
3905   entry->dnd_position = -1;
3906   gtk_widget_queue_draw (widget);
3907 }
3908
3909 static gboolean
3910 gtk_entry_drag_drop  (GtkWidget        *widget,
3911                       GdkDragContext   *context,
3912                       gint              x,
3913                       gint              y,
3914                       guint             time)
3915 {
3916   GtkEntry *entry = GTK_ENTRY (widget);
3917   GdkAtom target = GDK_NONE;
3918
3919   if (entry->editable)
3920     target = gtk_drag_dest_find_target (widget, context, NULL);
3921
3922   if (target != GDK_NONE)
3923     gtk_drag_get_data (widget, context, target, time);
3924   else
3925     gtk_drag_finish (context, FALSE, FALSE, time);
3926
3927   return TRUE;
3928 }
3929
3930 static gboolean
3931 gtk_entry_drag_motion (GtkWidget        *widget,
3932                        GdkDragContext   *context,
3933                        gint              x,
3934                        gint              y,
3935                        guint             time)
3936 {
3937   GtkEntry *entry = GTK_ENTRY (widget);
3938   GtkWidget *source_widget;
3939   GdkDragAction suggested_action;
3940   gint new_position, old_position;
3941   gint sel1, sel2;
3942
3943   x -= widget->style->xthickness;
3944   y -= widget->style->ythickness;
3945
3946   old_position = entry->dnd_position;
3947   new_position = gtk_entry_find_position (entry, x + entry->scroll_offset);
3948
3949   if (entry->editable)
3950     {
3951       source_widget = gtk_drag_get_source_widget (context);
3952       suggested_action = context->suggested_action;
3953
3954       if (!gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &sel1, &sel2) ||
3955           new_position < sel1 || new_position > sel2)
3956         {
3957           if (source_widget == widget)
3958             {
3959               /* Default to MOVE, unless the user has
3960                * pressed ctrl or alt to affect available actions
3961                */
3962               if ((context->actions & GDK_ACTION_MOVE) != 0)
3963                 suggested_action = GDK_ACTION_MOVE;
3964             }
3965
3966           entry->dnd_position = new_position;
3967         }
3968       else
3969         {
3970           if (source_widget == widget)
3971             suggested_action = 0;       /* Can't drop in selection where drag started */
3972
3973           entry->dnd_position = -1;
3974         }
3975     }
3976   else
3977     {
3978       /* Entry not editable */
3979       suggested_action = 0;
3980       entry->dnd_position = -1;
3981     }
3982
3983   gdk_drag_status (context, suggested_action, time);
3984
3985   if (entry->dnd_position != old_position)
3986     gtk_widget_queue_draw (widget);
3987
3988   return TRUE;
3989 }
3990
3991 static void
3992 gtk_entry_drag_data_received (GtkWidget        *widget,
3993                               GdkDragContext   *context,
3994                               gint              x,
3995                               gint              y,
3996                               GtkSelectionData *selection_data,
3997                               guint             info,
3998                               guint             time)
3999 {
4000   GtkEntry *entry = GTK_ENTRY (widget);
4001   GtkEditable *editable = GTK_EDITABLE (widget);
4002   gchar *str;
4003
4004   str = gtk_selection_data_get_text (selection_data);
4005
4006   if (str && entry->editable)
4007     {
4008       gint new_position;
4009       gint sel1, sel2;
4010
4011       new_position = gtk_entry_find_position (entry, x + entry->scroll_offset);
4012
4013       if (!gtk_editable_get_selection_bounds (editable, &sel1, &sel2) ||
4014           new_position < sel1 || new_position > sel2)
4015         {
4016           gtk_editable_insert_text (editable, str, -1, &new_position);
4017         }
4018       else
4019         {
4020           /* Replacing selection */
4021           gtk_editable_delete_text (editable, sel1, sel2);
4022           gtk_editable_insert_text (editable, str, -1, &sel1);
4023         }
4024
4025       g_free (str);
4026       gtk_drag_finish (context, TRUE, context->action == GDK_ACTION_MOVE, time);
4027     }
4028   else
4029     {
4030       /* Drag and drop didn't happen! */
4031       gtk_drag_finish (context, FALSE, FALSE, time);
4032     }
4033 }
4034
4035 static void
4036 gtk_entry_drag_data_get (GtkWidget        *widget,
4037                          GdkDragContext   *context,
4038                          GtkSelectionData *selection_data,
4039                          guint             info,
4040                          guint             time)
4041 {
4042   gint sel_start, sel_end;
4043
4044   GtkEditable *editable = GTK_EDITABLE (widget);
4045
4046   if (gtk_editable_get_selection_bounds (editable, &sel_start, &sel_end))
4047     {
4048       gchar *str = gtk_editable_get_chars (editable, sel_start, sel_end);
4049
4050       gtk_selection_data_set_text (selection_data, str, -1);
4051
4052       g_free (str);
4053     }
4054
4055 }
4056
4057 static void
4058 gtk_entry_drag_data_delete (GtkWidget      *widget,
4059                             GdkDragContext *context)
4060 {
4061   gint sel_start, sel_end;
4062
4063   GtkEditable *editable = GTK_EDITABLE (widget);
4064
4065   if (GTK_ENTRY (widget)->editable &&
4066       gtk_editable_get_selection_bounds (editable, &sel_start, &sel_end))
4067     gtk_editable_delete_text (editable, sel_start, sel_end);
4068 }
4069
4070 /* We display the cursor when
4071  *
4072  *  - the selection is empty, AND
4073  *  - the widget has focus
4074  */
4075
4076 #define CURSOR_ON_MULTIPLIER 0.66
4077 #define CURSOR_OFF_MULTIPLIER 0.34
4078 #define CURSOR_PEND_MULTIPLIER 1.0
4079
4080 static gboolean
4081 cursor_blinks (GtkEntry *entry)
4082 {
4083   GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (entry));
4084   gboolean blink;
4085
4086   if (GTK_WIDGET_HAS_FOCUS (entry) &&
4087       entry->selection_bound == entry->current_pos)
4088     {
4089       g_object_get (G_OBJECT (settings), "gtk-cursor-blink", &blink, NULL);
4090       return blink;
4091     }
4092   else
4093     return FALSE;
4094 }
4095
4096 static gint
4097 get_cursor_time (GtkEntry *entry)
4098 {
4099   GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (entry));
4100   gint time;
4101
4102   g_object_get (G_OBJECT (settings), "gtk-cursor-blink-time", &time, NULL);
4103
4104   return time;
4105 }
4106
4107 static void
4108 show_cursor (GtkEntry *entry)
4109 {
4110   if (!entry->cursor_visible)
4111     {
4112       entry->cursor_visible = TRUE;
4113
4114       if (GTK_WIDGET_HAS_FOCUS (entry) && entry->selection_bound == entry->current_pos)
4115         gtk_widget_queue_draw (GTK_WIDGET (entry));
4116     }
4117 }
4118
4119 static void
4120 hide_cursor (GtkEntry *entry)
4121 {
4122   if (entry->cursor_visible)
4123     {
4124       entry->cursor_visible = FALSE;
4125
4126       if (GTK_WIDGET_HAS_FOCUS (entry) && entry->selection_bound == entry->current_pos)
4127         gtk_widget_queue_draw (GTK_WIDGET (entry));
4128     }
4129 }
4130
4131 /*
4132  * Blink!
4133  */
4134 static gint
4135 blink_cb (gpointer data)
4136 {
4137   GtkEntry *entry;
4138
4139   GDK_THREADS_ENTER ();
4140
4141   entry = GTK_ENTRY (data);
4142
4143   g_assert (GTK_WIDGET_HAS_FOCUS (entry));
4144   g_assert (entry->selection_bound == entry->current_pos);
4145
4146   if (entry->cursor_visible)
4147     {
4148       hide_cursor (entry);
4149       entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_OFF_MULTIPLIER,
4150                                               blink_cb,
4151                                               entry);
4152     }
4153   else
4154     {
4155       show_cursor (entry);
4156       entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_ON_MULTIPLIER,
4157                                               blink_cb,
4158                                               entry);
4159     }
4160
4161   GDK_THREADS_LEAVE ();
4162
4163   /* Remove ourselves */
4164   return FALSE;
4165 }
4166
4167 static void
4168 gtk_entry_check_cursor_blink (GtkEntry *entry)
4169 {
4170   if (cursor_blinks (entry))
4171     {
4172       if (!entry->blink_timeout)
4173         {
4174           entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_ON_MULTIPLIER,
4175                                                   blink_cb,
4176                                                   entry);
4177           show_cursor (entry);
4178         }
4179     }
4180   else
4181     {
4182       if (entry->blink_timeout)
4183         {
4184           gtk_timeout_remove (entry->blink_timeout);
4185           entry->blink_timeout = 0;
4186         }
4187
4188       entry->cursor_visible = TRUE;
4189     }
4190
4191 }
4192
4193 static void
4194 gtk_entry_pend_cursor_blink (GtkEntry *entry)
4195 {
4196   if (cursor_blinks (entry))
4197     {
4198       if (entry->blink_timeout != 0)
4199         gtk_timeout_remove (entry->blink_timeout);
4200
4201       entry->blink_timeout = gtk_timeout_add (get_cursor_time (entry) * CURSOR_PEND_MULTIPLIER,
4202                                               blink_cb,
4203                                               entry);
4204       show_cursor (entry);
4205     }
4206 }