Pileus Git - ~andy/gtk/blob - gtk/gtklistitem.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 Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   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  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library 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 #include "gtkbindings.h"
  21 #include "gtklabel.h"
  22 #include "gtklistitem.h"
  23 #include "gtklist.h"
  24 #include "gtksignal.h"
  25 #include <gdk/gdkkeysyms.h>
  26
  27
  28 enum
  29 {
  30   TOGGLE_FOCUS_ROW,
  31   SELECT_ALL,
  32   UNSELECT_ALL,
  33   UNDO_SELECTION,
  34   START_SELECTION,
  35   END_SELECTION,
  36   TOGGLE_ADD_MODE,
  37   EXTEND_SELECTION,
  38   SCROLL_VERTICAL,
  39   SCROLL_HORIZONTAL,
  40   LAST_SIGNAL
  41 };
  42
  43 static void gtk_list_item_class_init        (GtkListItemClass *klass);
  44 static void gtk_list_item_init              (GtkListItem      *list_item);
  45 static void gtk_list_item_realize           (GtkWidget        *widget);
  46 static void gtk_list_item_size_request      (GtkWidget        *widget,
  47                                              GtkRequisition   *requisition);
  48 static void gtk_list_item_size_allocate     (GtkWidget        *widget,
  49                                              GtkAllocation    *allocation);
  50 static void gtk_list_item_style_set         (GtkWidget        *widget,
  51                                              GtkStyle         *previous_style);
  52 static void gtk_list_item_draw              (GtkWidget        *widget,
  53                                              GdkRectangle     *area);
  54 static void gtk_list_item_draw_focus        (GtkWidget        *widget);
  55 static gint gtk_list_item_button_press      (GtkWidget        *widget,
  56                                              GdkEventButton   *event);
  57 static gint gtk_list_item_expose            (GtkWidget        *widget,
  58                                              GdkEventExpose   *event);
  59 static gint gtk_list_item_focus_in          (GtkWidget        *widget,
  60                                              GdkEventFocus    *event);
  61 static gint gtk_list_item_focus_out         (GtkWidget        *widget,
  62                                              GdkEventFocus    *event);
  63 static void gtk_real_list_item_select       (GtkItem          *item);
  64 static void gtk_real_list_item_deselect     (GtkItem          *item);
  65 static void gtk_real_list_item_toggle       (GtkItem          *item);
  66
  67
  68 static GtkItemClass *parent_class = NULL;
  69 static guint list_item_signals[LAST_SIGNAL] = {0};
  70
  71
  72 GtkType
  73 gtk_list_item_get_type (void)
  74 {
  75   static GtkType list_item_type = 0;
  76
  77   if (!list_item_type)
  78     {
  79       static const GtkTypeInfo list_item_info =
  80       {
  81         "GtkListItem",
  82         sizeof (GtkListItem),
  83         sizeof (GtkListItemClass),
  84         (GtkClassInitFunc) gtk_list_item_class_init,
  85         (GtkObjectInitFunc) gtk_list_item_init,
  86         /* reserved_1 */ NULL,
  87         /* reserved_2 */ NULL,
  88         (GtkClassInitFunc) NULL,
  89       };
  90
  91       list_item_type = gtk_type_unique (gtk_item_get_type (), &list_item_info);
  92     }
  93
  94   return list_item_type;
  95 }
  96
  97 static void
  98 gtk_list_item_class_init (GtkListItemClass *class)
  99 {
 100   GtkObjectClass *object_class;
 101   GtkWidgetClass *widget_class;
 102   GtkItemClass *item_class;
 103   GtkBindingSet *binding_set;
 104
 105   object_class = (GtkObjectClass*) class;
 106   widget_class = (GtkWidgetClass*) class;
 107   item_class = (GtkItemClass*) class;
 108
 109   parent_class = gtk_type_class (gtk_item_get_type ());
 110
 111   list_item_signals[TOGGLE_FOCUS_ROW] =
 112     gtk_signal_new ("toggle_focus_row",
 113                     GTK_RUN_LAST | GTK_RUN_ACTION,
 114                     object_class->type,
 115                     GTK_SIGNAL_OFFSET (GtkListItemClass, toggle_focus_row),
 116                     gtk_marshal_NONE__NONE,
 117                     GTK_TYPE_NONE, 0);
 118   list_item_signals[SELECT_ALL] =
 119     gtk_signal_new ("select_all",
 120                     GTK_RUN_LAST | GTK_RUN_ACTION,
 121                     object_class->type,
 122                     GTK_SIGNAL_OFFSET (GtkListItemClass, select_all),
 123                     gtk_marshal_NONE__NONE,
 124                     GTK_TYPE_NONE, 0);
 125   list_item_signals[UNSELECT_ALL] =
 126     gtk_signal_new ("unselect_all",
 127                     GTK_RUN_LAST | GTK_RUN_ACTION,
 128                     object_class->type,
 129                     GTK_SIGNAL_OFFSET (GtkListItemClass, unselect_all),
 130                     gtk_marshal_NONE__NONE,
 131                     GTK_TYPE_NONE, 0);
 132   list_item_signals[UNDO_SELECTION] =
 133     gtk_signal_new ("undo_selection",
 134                     GTK_RUN_LAST | GTK_RUN_ACTION,
 135                     object_class->type,
 136                     GTK_SIGNAL_OFFSET (GtkListItemClass, undo_selection),
 137                     gtk_marshal_NONE__NONE,
 138                     GTK_TYPE_NONE, 0);
 139   list_item_signals[START_SELECTION] =
 140     gtk_signal_new ("start_selection",
 141                     GTK_RUN_LAST | GTK_RUN_ACTION,
 142                     object_class->type,
 143                     GTK_SIGNAL_OFFSET (GtkListItemClass, start_selection),
 144                     gtk_marshal_NONE__NONE,
 145                     GTK_TYPE_NONE, 0);
 146   list_item_signals[END_SELECTION] =
 147     gtk_signal_new ("end_selection",
 148                     GTK_RUN_LAST | GTK_RUN_ACTION,
 149                     object_class->type,
 150                     GTK_SIGNAL_OFFSET (GtkListItemClass, end_selection),
 151                     gtk_marshal_NONE__NONE,
 152                     GTK_TYPE_NONE, 0);
 153   list_item_signals[TOGGLE_ADD_MODE] =
 154     gtk_signal_new ("toggle_add_mode",
 155                     GTK_RUN_LAST | GTK_RUN_ACTION,
 156                     object_class->type,
 157                     GTK_SIGNAL_OFFSET (GtkListItemClass, toggle_add_mode),
 158                     gtk_marshal_NONE__NONE,
 159                     GTK_TYPE_NONE, 0);
 160   list_item_signals[EXTEND_SELECTION] =
 161     gtk_signal_new ("extend_selection",
 162                     GTK_RUN_LAST | GTK_RUN_ACTION,
 163                     object_class->type,
 164                     GTK_SIGNAL_OFFSET (GtkListItemClass, extend_selection),
 165                     gtk_marshal_NONE__ENUM_FLOAT_BOOL,
 166                     GTK_TYPE_NONE, 3,
 167                     GTK_TYPE_ENUM, GTK_TYPE_FLOAT, GTK_TYPE_BOOL);
 168   list_item_signals[SCROLL_VERTICAL] =
 169     gtk_signal_new ("scroll_vertical",
 170                     GTK_RUN_LAST | GTK_RUN_ACTION,
 171                     object_class->type,
 172                     GTK_SIGNAL_OFFSET (GtkListItemClass, scroll_vertical),
 173                     gtk_marshal_NONE__ENUM_FLOAT,
 174                     GTK_TYPE_NONE, 2, GTK_TYPE_ENUM, GTK_TYPE_FLOAT);
 175   list_item_signals[SCROLL_HORIZONTAL] =
 176     gtk_signal_new ("scroll_horizontal",
 177                     GTK_RUN_LAST | GTK_RUN_ACTION,
 178                     object_class->type,
 179                     GTK_SIGNAL_OFFSET (GtkListItemClass, scroll_horizontal),
 180                     gtk_marshal_NONE__ENUM_FLOAT,
 181                     GTK_TYPE_NONE, 2, GTK_TYPE_ENUM, GTK_TYPE_FLOAT);
 182
 183   gtk_object_class_add_signals (object_class, list_item_signals, LAST_SIGNAL);
 184
 185   widget_class->realize = gtk_list_item_realize;
 186   widget_class->size_request = gtk_list_item_size_request;
 187   widget_class->size_allocate = gtk_list_item_size_allocate;
 188   widget_class->style_set = gtk_list_item_style_set;
 189   widget_class->draw = gtk_list_item_draw;
 190   widget_class->draw_focus = gtk_list_item_draw_focus;
 191   widget_class->button_press_event = gtk_list_item_button_press;
 192   widget_class->expose_event = gtk_list_item_expose;
 193   widget_class->focus_in_event = gtk_list_item_focus_in;
 194   widget_class->focus_out_event = gtk_list_item_focus_out;
 195
 196   item_class->select = gtk_real_list_item_select;
 197   item_class->deselect = gtk_real_list_item_deselect;
 198   item_class->toggle = gtk_real_list_item_toggle;
 199
 200   class->toggle_focus_row = NULL;
 201   class->select_all = NULL;
 202   class->unselect_all = NULL;
 203   class->undo_selection = NULL;
 204   class->start_selection = NULL;
 205   class->end_selection = NULL;
 206   class->extend_selection = NULL;
 207   class->scroll_horizontal = NULL;
 208   class->scroll_vertical = NULL;
 209   class->toggle_add_mode = NULL;
 210
 211
 212   binding_set = gtk_binding_set_by_class (class);
 213   gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
 214                                 "scroll_vertical", 2,
 215                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 216                                 GTK_TYPE_FLOAT, 0.0);
 217   gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
 218                                 "scroll_vertical", 2,
 219                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 220                                 GTK_TYPE_FLOAT, 0.0);
 221   gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
 222                                 "scroll_vertical", 2,
 223                                 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
 224                                 GTK_TYPE_FLOAT, 0.0);
 225   gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
 226                                 "scroll_vertical", 2,
 227                                 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
 228                                 GTK_TYPE_FLOAT, 0.0);
 229   gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK,
 230                                 "scroll_vertical", 2,
 231                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 232                                 GTK_TYPE_FLOAT, 0.0);
 233   gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK,
 234                                 "scroll_vertical", 2,
 235                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 236                                 GTK_TYPE_FLOAT, 1.0);
 237
 238   gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK,
 239                                 "extend_selection", 3,
 240                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 241                                 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 242   gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK,
 243                                 "extend_selection", 3,
 244                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 245                                 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 246   gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK,
 247                                 "extend_selection", 3,
 248                                 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
 249                                 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 250   gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK,
 251                                 "extend_selection", 3,
 252                                 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
 253                                 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 254   gtk_binding_entry_add_signal (binding_set, GDK_Home,
 255                                 GDK_SHIFT_MASK | GDK_CONTROL_MASK,
 256                                 "extend_selection", 3,
 257                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 258                                 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
 259   gtk_binding_entry_add_signal (binding_set, GDK_End,
 260                                 GDK_SHIFT_MASK | GDK_CONTROL_MASK,
 261                                 "extend_selection", 3,
 262                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 263                                 GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);
 264
 265   gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
 266                                 "scroll_horizontal", 2,
 267                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 268                                 GTK_TYPE_FLOAT, 0.0);
 269   gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
 270                                 "scroll_horizontal", 2,
 271                                 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 272                                 GTK_TYPE_FLOAT, 0.0);
 273   gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
 274                                 "scroll_horizontal", 2,
 275                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 276                                 GTK_TYPE_FLOAT, 0.0);
 277   gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
 278                                 "scroll_horizontal", 2,
 279                                 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
 280                                 GTK_TYPE_FLOAT, 1.0);
 281
 282   gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
 283                                 "undo_selection", 0);
 284   gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
 285                                 "toggle_focus_row", 0);
 286   gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK,
 287                                 "toggle_add_mode", 0);
 288   gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK,
 289                                 "select_all", 0);
 290   gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK,
 291                                 "unselect_all", 0);
 292   gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
 293                                 GDK_RELEASE_MASK | GDK_SHIFT_MASK,
 294                                 "end_selection", 0);
 295   gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
 296                                 GDK_RELEASE_MASK | GDK_SHIFT_MASK,
 297                                 "end_selection", 0);
 298   gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
 299                                 GDK_RELEASE_MASK | GDK_SHIFT_MASK |
 300                                 GDK_CONTROL_MASK,
 301                                 "end_selection", 0);
 302 }
 303
 304 static void
 305 gtk_list_item_init (GtkListItem *list_item)
 306 {
 307   GTK_WIDGET_SET_FLAGS (list_item, GTK_CAN_FOCUS);
 308 }
 309
 310 GtkWidget*
 311 gtk_list_item_new (void)
 312 {
 313   return GTK_WIDGET (gtk_type_new (gtk_list_item_get_type ()));
 314 }
 315
 316 GtkWidget*
 317 gtk_list_item_new_with_label (const gchar *label)
 318 {
 319   GtkWidget *list_item;
 320   GtkWidget *label_widget;
 321
 322   list_item = gtk_list_item_new ();
 323   label_widget = gtk_label_new (label);
 324   gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
 325
 326   gtk_container_add (GTK_CONTAINER (list_item), label_widget);
 327   gtk_widget_show (label_widget);
 328
 329   return list_item;
 330 }
 331
 332 void
 333 gtk_list_item_select (GtkListItem *list_item)
 334 {
 335   gtk_item_select (GTK_ITEM (list_item));
 336 }
 337
 338 void
 339 gtk_list_item_deselect (GtkListItem *list_item)
 340 {
 341   gtk_item_deselect (GTK_ITEM (list_item));
 342 }
 343
 344
 345 static void
 346 gtk_list_item_realize (GtkWidget *widget)
 347 {
 348   GdkWindowAttr attributes;
 349   gint attributes_mask;
 350
 351   /*if (GTK_WIDGET_CLASS (parent_class)->realize)
 352     (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);*/
 353
 354   g_return_if_fail (widget != NULL);
 355   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 356
 357   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 358
 359   attributes.x = widget->allocation.x;
 360   attributes.y = widget->allocation.y;
 361   attributes.width = widget->allocation.width;
 362   attributes.height = widget->allocation.height;
 363   attributes.window_type = GDK_WINDOW_CHILD;
 364   attributes.wclass = GDK_INPUT_OUTPUT;
 365   attributes.visual = gtk_widget_get_visual (widget);
 366   attributes.colormap = gtk_widget_get_colormap (widget);
 367   attributes.event_mask = (gtk_widget_get_events (widget) |
 368                            GDK_EXPOSURE_MASK |
 369                            GDK_BUTTON_PRESS_MASK |
 370                            GDK_BUTTON_RELEASE_MASK |
 371                            GDK_KEY_PRESS_MASK |
 372                            GDK_KEY_RELEASE_MASK |
 373                            GDK_ENTER_NOTIFY_MASK |
 374                            GDK_LEAVE_NOTIFY_MASK);
 375
 376   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 377   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
 378   gdk_window_set_user_data (widget->window, widget);
 379
 380   widget->style = gtk_style_attach (widget->style, widget->window);
 381   gdk_window_set_background (widget->window,
 382                              &widget->style->base[GTK_STATE_NORMAL]);
 383 }
 384
 385 static void
 386 gtk_list_item_size_request (GtkWidget      *widget,
 387                             GtkRequisition *requisition)
 388 {
 389   GtkBin *bin;
 390   GtkRequisition child_requisition;
 391
 392   g_return_if_fail (widget != NULL);
 393   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 394   g_return_if_fail (requisition != NULL);
 395
 396   bin = GTK_BIN (widget);
 397
 398   requisition->width = (GTK_CONTAINER (widget)->border_width +
 399                         widget->style->klass->xthickness) * 2;
 400   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
 401
 402   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
 403     {
 404       gtk_widget_size_request (bin->child, &child_requisition);
 405
 406       requisition->width += child_requisition.width;
 407       requisition->height += child_requisition.height;
 408     }
 409 }
 410
 411 static void
 412 gtk_list_item_size_allocate (GtkWidget     *widget,
 413                              GtkAllocation *allocation)
 414 {
 415   GtkBin *bin;
 416   GtkAllocation child_allocation;
 417
 418   g_return_if_fail (widget != NULL);
 419   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 420   g_return_if_fail (allocation != NULL);
 421
 422   widget->allocation = *allocation;
 423   if (GTK_WIDGET_REALIZED (widget))
 424     gdk_window_move_resize (widget->window,
 425                             allocation->x, allocation->y,
 426                             allocation->width, allocation->height);
 427
 428   bin = GTK_BIN (widget);
 429
 430   if (bin->child)
 431     {
 432       child_allocation.x = (GTK_CONTAINER (widget)->border_width +
 433                             widget->style->klass->xthickness);
 434       child_allocation.y = GTK_CONTAINER (widget)->border_width;
 435       child_allocation.width = allocation->width - child_allocation.x * 2;
 436       child_allocation.height = allocation->height - child_allocation.y * 2;
 437
 438       gtk_widget_size_allocate (bin->child, &child_allocation);
 439     }
 440 }
 441
 442 static void
 443 gtk_list_item_style_set (GtkWidget      *widget,
 444                          GtkStyle       *previous_style)
 445 {
 446   g_return_if_fail (widget != NULL);
 447
 448   if (previous_style && GTK_WIDGET_REALIZED (widget))
 449     gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
 450 }
 451
 452 static void
 453 gtk_list_item_draw (GtkWidget    *widget,
 454                     GdkRectangle *area)
 455 {
 456   GtkBin *bin;
 457   GdkRectangle child_area;
 458
 459   g_return_if_fail (widget != NULL);
 460   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 461   g_return_if_fail (area != NULL);
 462
 463   if (GTK_WIDGET_DRAWABLE (widget))
 464     {
 465       bin = GTK_BIN (widget);
 466
 467       if (widget->state == GTK_STATE_NORMAL)
 468         {
 469           gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
 470           gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
 471         }
 472       else
 473         {
 474           gtk_paint_flat_box(widget->style, widget->window,
 475                              widget->state, GTK_SHADOW_ETCHED_OUT,
 476                              area, widget, "listitem",
 477                              0, 0, -1, -1);
 478         }
 479
 480       if (bin->child && gtk_widget_intersect (bin->child, area, &child_area))
 481         gtk_widget_draw (bin->child, &child_area);
 482
 483       if (GTK_WIDGET_HAS_FOCUS (widget))
 484         {
 485           if (GTK_IS_LIST (widget->parent) && GTK_LIST (widget->parent)->add_mode)
 486             gtk_paint_focus (widget->style, widget->window,
 487                              NULL, widget, "add-mode",
 488                              0, 0,
 489                              widget->allocation.width - 1,
 490                              widget->allocation.height - 1);
 491           else
 492             gtk_paint_focus (widget->style, widget->window,
 493                              NULL, widget, NULL,
 494                              0, 0,
 495                              widget->allocation.width - 1,
 496                              widget->allocation.height - 1);
 497         }
 498     }
 499 }
 500
 501 static void
 502 gtk_list_item_draw_focus (GtkWidget *widget)
 503 {
 504   g_return_if_fail (widget != NULL);
 505   g_return_if_fail (GTK_IS_LIST_ITEM (widget));
 506
 507   gtk_widget_draw(widget, NULL);
 508 }
 509
 510 static gint
 511 gtk_list_item_button_press (GtkWidget      *widget,
 512                             GdkEventButton *event)
 513 {
 514   g_return_val_if_fail (widget != NULL, FALSE);
 515   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 516   g_return_val_if_fail (event != NULL, FALSE);
 517
 518   if (event->type == GDK_BUTTON_PRESS)
 519     if (!GTK_WIDGET_HAS_FOCUS (widget))
 520       gtk_widget_grab_focus (widget);
 521
 522   return FALSE;
 523 }
 524
 525 static gint
 526 gtk_list_item_expose (GtkWidget      *widget,
 527                       GdkEventExpose *event)
 528 {
 529   GtkBin *bin;
 530   GdkEventExpose child_event;
 531
 532   g_return_val_if_fail (widget != NULL, FALSE);
 533   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 534   g_return_val_if_fail (event != NULL, FALSE);
 535
 536   if (GTK_WIDGET_DRAWABLE (widget))
 537     {
 538       bin = GTK_BIN (widget);
 539
 540       if (!GTK_WIDGET_IS_SENSITIVE (widget))
 541         gdk_window_set_background (widget->window, &widget->style->bg[GTK_STATE_INSENSITIVE]);
 542       else if (widget->state == GTK_STATE_NORMAL)
 543         gdk_window_set_background (widget->window, &widget->style->base[GTK_STATE_NORMAL]);
 544       else
 545         gdk_window_set_background (widget->window, &widget->style->bg[widget->state]);
 546
 547       gdk_window_clear_area (widget->window, event->area.x, event->area.y,
 548                              event->area.width, event->area.height);
 549
 550       if (bin->child)
 551         {
 552           child_event = *event;
 553
 554           if (GTK_WIDGET_NO_WINDOW (bin->child) &&
 555               gtk_widget_intersect (bin->child, &event->area, &child_event.area))
 556             gtk_widget_event (bin->child, (GdkEvent*) &child_event);
 557         }
 558
 559       gtk_widget_draw_focus (widget);
 560     }
 561
 562   return FALSE;
 563 }
 564
 565 static gint
 566 gtk_list_item_focus_in (GtkWidget     *widget,
 567                         GdkEventFocus *event)
 568 {
 569   g_return_val_if_fail (widget != NULL, FALSE);
 570   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 571   g_return_val_if_fail (event != NULL, FALSE);
 572
 573   GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
 574   gtk_widget_draw_focus (widget);
 575
 576   return FALSE;
 577 }
 578
 579 static gint
 580 gtk_list_item_focus_out (GtkWidget     *widget,
 581                          GdkEventFocus *event)
 582 {
 583   g_return_val_if_fail (widget != NULL, FALSE);
 584   g_return_val_if_fail (GTK_IS_LIST_ITEM (widget), FALSE);
 585   g_return_val_if_fail (event != NULL, FALSE);
 586
 587   GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
 588   gtk_widget_draw_focus (widget);
 589
 590   return FALSE;
 591 }
 592
 593 static void
 594 gtk_real_list_item_select (GtkItem *item)
 595 {
 596   g_return_if_fail (item != NULL);
 597   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 598
 599   switch (GTK_WIDGET (item)->state)
 600     {
 601     case GTK_STATE_SELECTED:
 602     case GTK_STATE_INSENSITIVE:
 603       break;
 604     default:
 605       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
 606       break;
 607     }
 608 }
 609
 610 static void
 611 gtk_real_list_item_deselect (GtkItem *item)
 612 {
 613   g_return_if_fail (item != NULL);
 614   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 615
 616   if (GTK_WIDGET (item)->state == GTK_STATE_SELECTED)
 617     gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
 618 }
 619
 620 static void
 621 gtk_real_list_item_toggle (GtkItem *item)
 622 {
 623   g_return_if_fail (item != NULL);
 624   g_return_if_fail (GTK_IS_LIST_ITEM (item));
 625
 626   switch (GTK_WIDGET (item)->state)
 627     {
 628     case GTK_STATE_SELECTED:
 629       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
 630       break;
 631     case GTK_STATE_INSENSITIVE:
 632       break;
 633     default:
 634       gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
 635       break;
 636     }
 637 }