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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  * GtkStatusbar Copyright (C) 1998 Shawn T. Amundson
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  23  * file for a list of people on the GTK+ Team.  See the ChangeLog
  24  * files for a list of changes.  These files are distributed with
  25  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  26  */
  27
  28 #include <config.h>
  29 #include "gtkalias.h"
  30 #include "gtkframe.h"
  31 #include "gtklabel.h"
  32 #include "gtkmarshalers.h"
  33 #include "gtkstatusbar.h"
  34 #include "gtkwindow.h"
  35 #include "gtkintl.h"
  36
  37 typedef struct _GtkStatusbarMsg GtkStatusbarMsg;
  38
  39 struct _GtkStatusbarMsg
  40 {
  41   gchar *text;
  42   guint context_id;
  43   guint message_id;
  44 };
  45
  46 enum
  47 {
  48   SIGNAL_TEXT_PUSHED,
  49   SIGNAL_TEXT_POPPED,
  50   SIGNAL_LAST
  51 };
  52
  53 enum
  54 {
  55   PROP_ZERO,
  56   PROP_HAS_RESIZE_GRIP
  57 };
  58
  59 static void     gtk_statusbar_class_init        (GtkStatusbarClass *class);
  60 static void     gtk_statusbar_init              (GtkStatusbar      *statusbar);
  61 static void     gtk_statusbar_destroy           (GtkObject         *object);
  62 static void     gtk_statusbar_update            (GtkStatusbar      *statusbar,
  63                                                  guint              context_id,
  64                                                  const gchar       *text);
  65 static void     gtk_statusbar_size_allocate     (GtkWidget         *widget,
  66                                                  GtkAllocation     *allocation);
  67 static void     gtk_statusbar_realize           (GtkWidget         *widget);
  68 static void     gtk_statusbar_unrealize         (GtkWidget         *widget);
  69 static void     gtk_statusbar_map               (GtkWidget         *widget);
  70 static void     gtk_statusbar_unmap             (GtkWidget         *widget);
  71 static gboolean gtk_statusbar_button_press      (GtkWidget         *widget,
  72                                                  GdkEventButton    *event);
  73 static gboolean gtk_statusbar_expose_event      (GtkWidget         *widget,
  74                                                  GdkEventExpose    *event);
  75 static void     gtk_statusbar_size_request      (GtkWidget         *widget,
  76                                                  GtkRequisition    *requisition);
  77 static void     gtk_statusbar_size_allocate     (GtkWidget         *widget,
  78                                                  GtkAllocation     *allocation);
  79 static void     gtk_statusbar_direction_changed (GtkWidget         *widget,
  80                                                  GtkTextDirection   prev_dir);
  81 static void     gtk_statusbar_create_window     (GtkStatusbar      *statusbar);
  82 static void     gtk_statusbar_destroy_window    (GtkStatusbar      *statusbar);
  83 static void     gtk_statusbar_get_property      (GObject           *object,
  84                                                  guint              prop_id,
  85                                                  GValue            *value,
  86                                                  GParamSpec        *pspec);
  87 static void     gtk_statusbar_set_property      (GObject           *object,
  88                                                  guint              prop_id,
  89                                                  const GValue      *value,
  90                                                  GParamSpec        *pspec);
  91
  92
  93 static GtkContainerClass *parent_class;
  94 static guint              statusbar_signals[SIGNAL_LAST] = { 0 };
  95
  96 GType
  97 gtk_statusbar_get_type (void)
  98 {
  99   static GType statusbar_type = 0;
 100
 101   if (!statusbar_type)
 102     {
 103       static const GTypeInfo statusbar_info =
 104       {
 105         sizeof (GtkStatusbarClass),
 106         NULL,           /* base_init */
 107         NULL,           /* base_finalize */
 108         (GClassInitFunc) gtk_statusbar_class_init,
 109         NULL,           /* class_finalize */
 110         NULL,           /* class_data */
 111         sizeof (GtkStatusbar),
 112         0,              /* n_preallocs */
 113         (GInstanceInitFunc) gtk_statusbar_init,
 114       };
 115
 116       statusbar_type = g_type_register_static (GTK_TYPE_HBOX, "GtkStatusbar",
 117                                                &statusbar_info, 0);
 118     }
 119
 120   return statusbar_type;
 121 }
 122
 123 static void
 124 gtk_statusbar_class_init (GtkStatusbarClass *class)
 125 {
 126   GObjectClass *gobject_class;
 127   GtkObjectClass *object_class;
 128   GtkWidgetClass *widget_class;
 129   GtkContainerClass *container_class;
 130
 131   gobject_class = (GObjectClass *) class;
 132   object_class = (GtkObjectClass *) class;
 133   widget_class = (GtkWidgetClass *) class;
 134   container_class = (GtkContainerClass *) class;
 135
 136   parent_class = g_type_class_peek_parent (class);
 137
 138   gobject_class->set_property = gtk_statusbar_set_property;
 139   gobject_class->get_property = gtk_statusbar_get_property;
 140
 141   object_class->destroy = gtk_statusbar_destroy;
 142
 143   widget_class->realize = gtk_statusbar_realize;
 144   widget_class->unrealize = gtk_statusbar_unrealize;
 145   widget_class->map = gtk_statusbar_map;
 146   widget_class->unmap = gtk_statusbar_unmap;
 147
 148   widget_class->button_press_event = gtk_statusbar_button_press;
 149   widget_class->expose_event = gtk_statusbar_expose_event;
 150
 151   widget_class->size_request = gtk_statusbar_size_request;
 152   widget_class->size_allocate = gtk_statusbar_size_allocate;
 153
 154   widget_class->direction_changed = gtk_statusbar_direction_changed;
 155
 156   class->messages_mem_chunk = g_mem_chunk_new ("GtkStatusbar messages mem chunk",
 157                                                sizeof (GtkStatusbarMsg),
 158                                                sizeof (GtkStatusbarMsg) * 64,
 159                                                G_ALLOC_AND_FREE);
 160
 161   class->text_pushed = gtk_statusbar_update;
 162   class->text_popped = gtk_statusbar_update;
 163
 164   /**
 165    * GtkStatusbar:has-resize-grip:
 166    *
 167    * Whether the statusbar has a grip for resizing the toplevel window.
 168    *
 169    * Since: 2.4
 170    */
 171   g_object_class_install_property (gobject_class,
 172                                    PROP_HAS_RESIZE_GRIP,
 173                                    g_param_spec_boolean ("has_resize_grip",
 174                                                          P_("Has Resize Grip"),
 175                                                          P_("Whether the statusbar has a grip for resizing the toplevel"),
 176                                                          TRUE,
 177                                                          G_PARAM_READWRITE));
 178   statusbar_signals[SIGNAL_TEXT_PUSHED] =
 179     g_signal_new ("text_pushed",
 180                   G_OBJECT_CLASS_TYPE (class),
 181                   G_SIGNAL_RUN_LAST,
 182                   G_STRUCT_OFFSET (GtkStatusbarClass, text_pushed),
 183                   NULL, NULL,
 184                   _gtk_marshal_VOID__UINT_STRING,
 185                   G_TYPE_NONE, 2,
 186                   G_TYPE_UINT,
 187                   G_TYPE_STRING);
 188   statusbar_signals[SIGNAL_TEXT_POPPED] =
 189     g_signal_new ("text_popped",
 190                   G_OBJECT_CLASS_TYPE (class),
 191                   G_SIGNAL_RUN_LAST,
 192                   G_STRUCT_OFFSET (GtkStatusbarClass, text_popped),
 193                   NULL, NULL,
 194                   _gtk_marshal_VOID__UINT_STRING,
 195                   G_TYPE_NONE, 2,
 196                   G_TYPE_UINT,
 197                   G_TYPE_STRING);
 198
 199   gtk_widget_class_install_style_property (widget_class,
 200                                            g_param_spec_enum ("shadow_type",
 201                                                               P_("Shadow type"),
 202                                                               P_("Style of bevel around the statusbar text"),
 203                                                               GTK_TYPE_SHADOW_TYPE,
 204                                                               GTK_SHADOW_IN,
 205                                                               G_PARAM_READABLE));
 206 }
 207
 208 static void
 209 gtk_statusbar_init (GtkStatusbar *statusbar)
 210 {
 211   GtkBox *box;
 212   GtkShadowType shadow_type;
 213
 214   box = GTK_BOX (statusbar);
 215
 216   box->spacing = 2;
 217   box->homogeneous = FALSE;
 218
 219   statusbar->has_resize_grip = TRUE;
 220
 221   gtk_widget_style_get (GTK_WIDGET (statusbar), "shadow_type", &shadow_type, NULL);
 222
 223   statusbar->frame = gtk_frame_new (NULL);
 224   gtk_frame_set_shadow_type (GTK_FRAME (statusbar->frame), shadow_type);
 225   gtk_box_pack_start (box, statusbar->frame, TRUE, TRUE, 0);
 226   gtk_widget_show (statusbar->frame);
 227
 228   statusbar->label = gtk_label_new ("");
 229   gtk_label_set_single_line_mode (GTK_LABEL (statusbar->label), TRUE);
 230   gtk_misc_set_alignment (GTK_MISC (statusbar->label), 0.0, 0.5);
 231   /* don't expand the size request for the label; if we
 232    * do that then toplevels weirdly resize
 233    */
 234   gtk_widget_set_size_request (statusbar->label, 1, -1);
 235   gtk_container_add (GTK_CONTAINER (statusbar->frame), statusbar->label);
 236   gtk_widget_show (statusbar->label);
 237
 238   statusbar->seq_context_id = 1;
 239   statusbar->seq_message_id = 1;
 240   statusbar->messages = NULL;
 241   statusbar->keys = NULL;
 242 }
 243
 244 GtkWidget*
 245 gtk_statusbar_new (void)
 246 {
 247   return g_object_new (GTK_TYPE_STATUSBAR, NULL);
 248 }
 249
 250 static void
 251 gtk_statusbar_update (GtkStatusbar *statusbar,
 252                       guint         context_id,
 253                       const gchar  *text)
 254 {
 255   g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
 256
 257   if (!text)
 258     text = "";
 259
 260   gtk_label_set_text (GTK_LABEL (statusbar->label), text);
 261 }
 262
 263 guint
 264 gtk_statusbar_get_context_id (GtkStatusbar *statusbar,
 265                               const gchar  *context_description)
 266 {
 267   gchar *string;
 268   guint *id;
 269
 270   g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
 271   g_return_val_if_fail (context_description != NULL, 0);
 272
 273   /* we need to preserve namespaces on object datas */
 274   string = g_strconcat ("gtk-status-bar-context:", context_description, NULL);
 275
 276   id = g_object_get_data (G_OBJECT (statusbar), string);
 277   if (!id)
 278     {
 279       id = g_new (guint, 1);
 280       *id = statusbar->seq_context_id++;
 281       g_object_set_data_full (G_OBJECT (statusbar), string, id, g_free);
 282       statusbar->keys = g_slist_prepend (statusbar->keys, string);
 283     }
 284   else
 285     g_free (string);
 286
 287   return *id;
 288 }
 289
 290 guint
 291 gtk_statusbar_push (GtkStatusbar *statusbar,
 292                     guint         context_id,
 293                     const gchar  *text)
 294 {
 295   GtkStatusbarMsg *msg;
 296   GtkStatusbarClass *class;
 297
 298   g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), 0);
 299   g_return_val_if_fail (text != NULL, 0);
 300
 301   class = GTK_STATUSBAR_GET_CLASS (statusbar);
 302   msg = g_chunk_new (GtkStatusbarMsg, class->messages_mem_chunk);
 303   msg->text = g_strdup (text);
 304   msg->context_id = context_id;
 305   msg->message_id = statusbar->seq_message_id++;
 306
 307   statusbar->messages = g_slist_prepend (statusbar->messages, msg);
 308
 309   g_signal_emit (statusbar,
 310                  statusbar_signals[SIGNAL_TEXT_PUSHED],
 311                  0,
 312                  msg->context_id,
 313                  msg->text);
 314
 315   return msg->message_id;
 316 }
 317
 318 void
 319 gtk_statusbar_pop (GtkStatusbar *statusbar,
 320                    guint         context_id)
 321 {
 322   GtkStatusbarMsg *msg;
 323
 324   g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
 325
 326   if (statusbar->messages)
 327     {
 328       GSList *list;
 329
 330       for (list = statusbar->messages; list; list = list->next)
 331         {
 332           msg = list->data;
 333
 334           if (msg->context_id == context_id)
 335             {
 336               GtkStatusbarClass *class;
 337
 338               class = GTK_STATUSBAR_GET_CLASS (statusbar);
 339
 340               statusbar->messages = g_slist_remove_link (statusbar->messages,
 341                                                          list);
 342               g_free (msg->text);
 343               g_mem_chunk_free (class->messages_mem_chunk, msg);
 344               g_slist_free_1 (list);
 345               break;
 346             }
 347         }
 348     }
 349
 350   msg = statusbar->messages ? statusbar->messages->data : NULL;
 351
 352   g_signal_emit (statusbar,
 353                  statusbar_signals[SIGNAL_TEXT_POPPED],
 354                  0,
 355                  (guint) (msg ? msg->context_id : 0),
 356                  msg ? msg->text : NULL);
 357 }
 358
 359 void
 360 gtk_statusbar_remove (GtkStatusbar *statusbar,
 361                       guint        context_id,
 362                       guint        message_id)
 363 {
 364   GtkStatusbarMsg *msg;
 365
 366   g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
 367   g_return_if_fail (message_id > 0);
 368
 369   msg = statusbar->messages ? statusbar->messages->data : NULL;
 370   if (msg)
 371     {
 372       GSList *list;
 373
 374       /* care about signal emission if the topmost item is removed */
 375       if (msg->context_id == context_id &&
 376           msg->message_id == message_id)
 377         {
 378           gtk_statusbar_pop (statusbar, context_id);
 379           return;
 380         }
 381
 382       for (list = statusbar->messages; list; list = list->next)
 383         {
 384           msg = list->data;
 385
 386           if (msg->context_id == context_id &&
 387               msg->message_id == message_id)
 388             {
 389               GtkStatusbarClass *class;
 390
 391               class = GTK_STATUSBAR_GET_CLASS (statusbar);
 392               statusbar->messages = g_slist_remove_link (statusbar->messages, list);
 393               g_free (msg->text);
 394               g_mem_chunk_free (class->messages_mem_chunk, msg);
 395               g_slist_free_1 (list);
 396
 397               break;
 398             }
 399         }
 400     }
 401 }
 402
 403 void
 404 gtk_statusbar_set_has_resize_grip (GtkStatusbar *statusbar,
 405                                    gboolean      setting)
 406 {
 407   g_return_if_fail (GTK_IS_STATUSBAR (statusbar));
 408
 409   setting = setting != FALSE;
 410
 411   if (setting != statusbar->has_resize_grip)
 412     {
 413       statusbar->has_resize_grip = setting;
 414       gtk_widget_queue_draw (GTK_WIDGET (statusbar));
 415
 416       if (GTK_WIDGET_REALIZED (statusbar))
 417         {
 418           if (statusbar->has_resize_grip && statusbar->grip_window == NULL)
 419             {
 420               gtk_statusbar_create_window (statusbar);
 421               gdk_window_show (statusbar->grip_window);
 422             }
 423           else if (!statusbar->has_resize_grip && statusbar->grip_window != NULL)
 424             gtk_statusbar_destroy_window (statusbar);
 425         }
 426
 427       g_object_notify (G_OBJECT (statusbar), "has_resize_grip");
 428     }
 429 }
 430
 431 gboolean
 432 gtk_statusbar_get_has_resize_grip (GtkStatusbar *statusbar)
 433 {
 434   g_return_val_if_fail (GTK_IS_STATUSBAR (statusbar), FALSE);
 435
 436   return statusbar->has_resize_grip;
 437 }
 438
 439 static void
 440 gtk_statusbar_destroy (GtkObject *object)
 441 {
 442   GtkStatusbar *statusbar;
 443   GtkStatusbarClass *class;
 444   GSList *list;
 445
 446   g_return_if_fail (GTK_IS_STATUSBAR (object));
 447
 448   statusbar = GTK_STATUSBAR (object);
 449   class = GTK_STATUSBAR_GET_CLASS (statusbar);
 450
 451   for (list = statusbar->messages; list; list = list->next)
 452     {
 453       GtkStatusbarMsg *msg;
 454
 455       msg = list->data;
 456       g_free (msg->text);
 457       g_mem_chunk_free (class->messages_mem_chunk, msg);
 458     }
 459   g_slist_free (statusbar->messages);
 460   statusbar->messages = NULL;
 461
 462   for (list = statusbar->keys; list; list = list->next)
 463     g_free (list->data);
 464   g_slist_free (statusbar->keys);
 465   statusbar->keys = NULL;
 466
 467   GTK_OBJECT_CLASS (parent_class)->destroy (object);
 468 }
 469
 470 static void
 471 gtk_statusbar_set_property (GObject      *object,
 472                             guint         prop_id,
 473                             const GValue *value,
 474                             GParamSpec   *pspec)
 475 {
 476   GtkStatusbar *statusbar = GTK_STATUSBAR (object);
 477
 478   switch (prop_id)
 479     {
 480     case PROP_HAS_RESIZE_GRIP:
 481       gtk_statusbar_set_has_resize_grip (statusbar, g_value_get_boolean (value));
 482       break;
 483     default:
 484       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 485       break;
 486     }
 487 }
 488
 489 static void
 490 gtk_statusbar_get_property (GObject    *object,
 491                             guint       prop_id,
 492                             GValue     *value,
 493                             GParamSpec *pspec)
 494 {
 495   GtkStatusbar *statusbar = GTK_STATUSBAR (object);
 496
 497   switch (prop_id)
 498     {
 499     case PROP_HAS_RESIZE_GRIP:
 500       g_value_set_boolean (value, statusbar->has_resize_grip);
 501       break;
 502     default:
 503       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 504       break;
 505     }
 506 }
 507
 508 static GdkWindowEdge
 509 get_grip_edge (GtkStatusbar *statusbar)
 510 {
 511   GtkWidget *widget = GTK_WIDGET (statusbar);
 512
 513   if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
 514     return GDK_WINDOW_EDGE_SOUTH_EAST;
 515   else
 516     return GDK_WINDOW_EDGE_SOUTH_WEST;
 517 }
 518
 519 static void
 520 get_grip_rect (GtkStatusbar *statusbar,
 521                GdkRectangle *rect)
 522 {
 523   GtkWidget *widget;
 524   gint w, h;
 525
 526   widget = GTK_WIDGET (statusbar);
 527
 528   /* These are in effect the max/default size of the grip. */
 529   w = 18;
 530   h = 18;
 531
 532   if (w > widget->allocation.width)
 533     w = widget->allocation.width;
 534
 535   if (h > widget->allocation.height - widget->style->ythickness)
 536     h = widget->allocation.height - widget->style->ythickness;
 537
 538   rect->width = w;
 539   rect->height = h;
 540   rect->y = widget->allocation.y + widget->allocation.height - h;
 541
 542   if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
 543     rect->x = widget->allocation.x + widget->allocation.width - w;
 544   else
 545     rect->x = widget->allocation.x + widget->style->xthickness;
 546 }
 547
 548 static void
 549 set_grip_cursor (GtkStatusbar *statusbar)
 550 {
 551   if (statusbar->has_resize_grip)
 552     {
 553       GtkWidget *widget = GTK_WIDGET (statusbar);
 554       GdkDisplay *display = gtk_widget_get_display (widget);
 555       GdkCursorType cursor_type;
 556       GdkCursor *cursor;
 557
 558       if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
 559         cursor_type = GDK_BOTTOM_RIGHT_CORNER;
 560       else
 561         cursor_type = GDK_BOTTOM_LEFT_CORNER;
 562
 563       cursor = gdk_cursor_new_for_display (display, cursor_type);
 564       gdk_window_set_cursor (statusbar->grip_window, cursor);
 565       gdk_cursor_unref (cursor);
 566     }
 567 }
 568
 569 static void
 570 gtk_statusbar_create_window (GtkStatusbar *statusbar)
 571 {
 572   GtkWidget *widget;
 573   GdkWindowAttr attributes;
 574   gint attributes_mask;
 575   GdkRectangle rect;
 576
 577   g_return_if_fail (GTK_WIDGET_REALIZED (statusbar));
 578   g_return_if_fail (statusbar->has_resize_grip);
 579
 580   widget = GTK_WIDGET (statusbar);
 581
 582   get_grip_rect (statusbar, &rect);
 583
 584   attributes.x = rect.x;
 585   attributes.y = rect.y;
 586   attributes.width = rect.width;
 587   attributes.height = rect.height;
 588   attributes.window_type = GDK_WINDOW_CHILD;
 589   attributes.wclass = GDK_INPUT_ONLY;
 590   attributes.event_mask = gtk_widget_get_events (widget) |
 591     GDK_BUTTON_PRESS_MASK;
 592
 593   attributes_mask = GDK_WA_X | GDK_WA_Y;
 594
 595   statusbar->grip_window = gdk_window_new (widget->window,
 596                                            &attributes, attributes_mask);
 597
 598   gdk_window_set_user_data (statusbar->grip_window, widget);
 599
 600   set_grip_cursor (statusbar);
 601 }
 602
 603 static void
 604 gtk_statusbar_direction_changed (GtkWidget        *widget,
 605                                  GtkTextDirection  prev_dir)
 606 {
 607   GtkStatusbar *statusbar = GTK_STATUSBAR (widget);
 608
 609   set_grip_cursor (statusbar);
 610 }
 611
 612 static void
 613 gtk_statusbar_destroy_window (GtkStatusbar *statusbar)
 614 {
 615   gdk_window_set_user_data (statusbar->grip_window, NULL);
 616   gdk_window_destroy (statusbar->grip_window);
 617   statusbar->grip_window = NULL;
 618 }
 619
 620 static void
 621 gtk_statusbar_realize (GtkWidget *widget)
 622 {
 623   GtkStatusbar *statusbar;
 624
 625   statusbar = GTK_STATUSBAR (widget);
 626
 627   (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
 628
 629   if (statusbar->has_resize_grip)
 630     gtk_statusbar_create_window (statusbar);
 631 }
 632
 633 static void
 634 gtk_statusbar_unrealize (GtkWidget *widget)
 635 {
 636   GtkStatusbar *statusbar;
 637
 638   statusbar = GTK_STATUSBAR (widget);
 639
 640   if (statusbar->grip_window)
 641     gtk_statusbar_destroy_window (statusbar);
 642
 643   (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 644 }
 645
 646 static void
 647 gtk_statusbar_map (GtkWidget *widget)
 648 {
 649   GtkStatusbar *statusbar;
 650
 651   statusbar = GTK_STATUSBAR (widget);
 652
 653   (* GTK_WIDGET_CLASS (parent_class)->map) (widget);
 654
 655   if (statusbar->grip_window)
 656     gdk_window_show (statusbar->grip_window);
 657 }
 658
 659 static void
 660 gtk_statusbar_unmap (GtkWidget *widget)
 661 {
 662   GtkStatusbar *statusbar;
 663
 664   statusbar = GTK_STATUSBAR (widget);
 665
 666   if (statusbar->grip_window)
 667     gdk_window_hide (statusbar->grip_window);
 668
 669   (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
 670 }
 671
 672 static gboolean
 673 gtk_statusbar_button_press (GtkWidget      *widget,
 674                             GdkEventButton *event)
 675 {
 676   GtkStatusbar *statusbar;
 677   GtkWidget *ancestor;
 678   GdkWindowEdge edge;
 679
 680   statusbar = GTK_STATUSBAR (widget);
 681
 682   if (!statusbar->has_resize_grip ||
 683     event->type != GDK_BUTTON_PRESS)
 684     return FALSE;
 685
 686   ancestor = gtk_widget_get_toplevel (widget);
 687
 688   if (!GTK_IS_WINDOW (ancestor))
 689     return FALSE;
 690
 691   edge = get_grip_edge (statusbar);
 692
 693   if (event->button == 1)
 694     gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 695                                   edge,
 696                                   event->button,
 697                                   event->x_root, event->y_root,
 698                                   event->time);
 699   else if (event->button == 2)
 700     gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 701                                 event->button,
 702                                 event->x_root, event->y_root,
 703                                 event->time);
 704   else
 705     return FALSE;
 706
 707   return TRUE;
 708 }
 709
 710 static gboolean
 711 gtk_statusbar_expose_event (GtkWidget      *widget,
 712                             GdkEventExpose *event)
 713 {
 714   GtkStatusbar *statusbar;
 715   GdkRectangle rect;
 716
 717   statusbar = GTK_STATUSBAR (widget);
 718
 719   GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
 720
 721   if (statusbar->has_resize_grip)
 722     {
 723       GdkWindowEdge edge;
 724
 725       edge = get_grip_edge (statusbar);
 726
 727       get_grip_rect (statusbar, &rect);
 728
 729       gtk_paint_resize_grip (widget->style,
 730                              widget->window,
 731                              GTK_WIDGET_STATE (widget),
 732                              NULL,
 733                              widget,
 734                              "statusbar",
 735                              edge,
 736                              rect.x, rect.y,
 737                              /* don't draw grip over the frame, though you
 738                               * can click on the frame.
 739                               */
 740                              rect.width - widget->style->xthickness,
 741                              rect.height - widget->style->ythickness);
 742     }
 743
 744   return FALSE;
 745 }
 746
 747 static void
 748 gtk_statusbar_size_request   (GtkWidget      *widget,
 749                               GtkRequisition *requisition)
 750 {
 751   GtkStatusbar *statusbar;
 752   GtkShadowType shadow_type;
 753
 754   statusbar = GTK_STATUSBAR (widget);
 755
 756   gtk_widget_style_get (GTK_WIDGET (statusbar), "shadow_type", &shadow_type, NULL);
 757   gtk_frame_set_shadow_type (GTK_FRAME (statusbar->frame), shadow_type);
 758
 759   GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
 760 }
 761
 762 static void
 763 gtk_statusbar_size_allocate  (GtkWidget     *widget,
 764                               GtkAllocation *allocation)
 765 {
 766   GtkStatusbar *statusbar;
 767
 768   statusbar = GTK_STATUSBAR (widget);
 769
 770   /* chain up normally */
 771   GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 772
 773   if (statusbar->has_resize_grip && statusbar->grip_window)
 774     {
 775       GdkRectangle rect;
 776
 777       get_grip_rect (statusbar, &rect);
 778
 779         gdk_window_move_resize (statusbar->grip_window,
 780                                 rect.x, rect.y,
 781                                 rect.width, rect.height);
 782     }
 783 }
 784