Pileus Git - ~andy/gtk/blob - gtk/gtkhseparator.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 "gtkhseparator.h"
  28
  29
  30 static void gtk_hseparator_class_init (GtkHSeparatorClass *klass);
  31 static void gtk_hseparator_init       (GtkHSeparator      *hseparator);
  32 static gint gtk_hseparator_expose     (GtkWidget          *widget,
  33                                        GdkEventExpose     *event);
  34
  35
  36 GType
  37 gtk_hseparator_get_type (void)
  38 {
  39   static GType hseparator_type = 0;
  40
  41   if (!hseparator_type)
  42     {
  43       static const GTypeInfo hseparator_info =
  44       {
  45         sizeof (GtkHSeparatorClass),
  46         NULL,           /* base_init */
  47         NULL,           /* base_finalize */
  48         (GClassInitFunc) gtk_hseparator_class_init,
  49         NULL,           /* class_finalize */
  50         NULL,           /* class_init */
  51         sizeof (GtkHSeparator),
  52         0,              /* n_preallocs */
  53         (GInstanceInitFunc) gtk_hseparator_init,
  54       };
  55
  56       hseparator_type =
  57         g_type_register_static (GTK_TYPE_SEPARATOR, "GtkHSeparator",
  58                                 &hseparator_info, 0);
  59     }
  60
  61   return hseparator_type;
  62 }
  63
  64 static void
  65 gtk_hseparator_class_init (GtkHSeparatorClass *class)
  66 {
  67   GtkWidgetClass *widget_class;
  68
  69   widget_class = (GtkWidgetClass*) class;
  70
  71   widget_class->expose_event = gtk_hseparator_expose;
  72 }
  73
  74 static void
  75 gtk_hseparator_init (GtkHSeparator *hseparator)
  76 {
  77   GTK_WIDGET (hseparator)->requisition.width = 1;
  78   GTK_WIDGET (hseparator)->requisition.height = GTK_WIDGET (hseparator)->style->ythickness;
  79 }
  80
  81 GtkWidget*
  82 gtk_hseparator_new (void)
  83 {
  84   return g_object_new (GTK_TYPE_HSEPARATOR, NULL);
  85 }
  86
  87
  88 static gint
  89 gtk_hseparator_expose (GtkWidget      *widget,
  90                        GdkEventExpose *event)
  91 {
  92   if (GTK_WIDGET_DRAWABLE (widget))
  93     gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
  94                      &event->area, widget, "hseparator",
  95                      widget->allocation.x,
  96                      widget->allocation.x + widget->allocation.width,
  97                      widget->allocation.y + (widget->allocation.height -
  98                                              widget->style->ythickness) / 2);
  99
 100   return FALSE;
 101 }