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 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 #include "gtkhseparator.h"
  20
  21
  22 static void gtk_hseparator_class_init (GtkHSeparatorClass *klass);
  23 static void gtk_hseparator_init       (GtkHSeparator      *hseparator);
  24 static gint gtk_hseparator_expose     (GtkWidget          *widget,
  25                                        GdkEventExpose     *event);
  26
  27
  28 GtkType
  29 gtk_hseparator_get_type (void)
  30 {
  31   static GtkType hseparator_type = 0;
  32
  33   if (!hseparator_type)
  34     {
  35       static const GtkTypeInfo hseparator_info =
  36       {
  37         "GtkHSeparator",
  38         sizeof (GtkHSeparator),
  39         sizeof (GtkHSeparatorClass),
  40         (GtkClassInitFunc) gtk_hseparator_class_init,
  41         (GtkObjectInitFunc) gtk_hseparator_init,
  42         /* reserved_1 */ NULL,
  43         /* reserved_2 */ NULL,
  44         (GtkClassInitFunc) NULL,
  45       };
  46
  47       hseparator_type = gtk_type_unique (GTK_TYPE_SEPARATOR, &hseparator_info);
  48     }
  49
  50   return hseparator_type;
  51 }
  52
  53 static void
  54 gtk_hseparator_class_init (GtkHSeparatorClass *class)
  55 {
  56   GtkWidgetClass *widget_class;
  57
  58   widget_class = (GtkWidgetClass*) class;
  59
  60   widget_class->expose_event = gtk_hseparator_expose;
  61 }
  62
  63 static void
  64 gtk_hseparator_init (GtkHSeparator *hseparator)
  65 {
  66   GTK_WIDGET (hseparator)->requisition.width = 1;
  67   GTK_WIDGET (hseparator)->requisition.height = GTK_WIDGET (hseparator)->style->klass->ythickness;
  68 }
  69
  70 GtkWidget*
  71 gtk_hseparator_new (void)
  72 {
  73   return GTK_WIDGET (gtk_type_new (GTK_TYPE_HSEPARATOR));
  74 }
  75
  76
  77 static gint
  78 gtk_hseparator_expose (GtkWidget      *widget,
  79                        GdkEventExpose *event)
  80 {
  81   g_return_val_if_fail (widget != NULL, FALSE);
  82   g_return_val_if_fail (GTK_IS_HSEPARATOR (widget), FALSE);
  83   g_return_val_if_fail (event != NULL, FALSE);
  84
  85   if (GTK_WIDGET_DRAWABLE (widget))
  86     gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
  87                      &event->area, widget, "hseparator",
  88                      widget->allocation.x,
  89                      widget->allocation.x + widget->allocation.width,
  90                      widget->allocation.y + (widget->allocation.height -
  91                                              widget->style->klass->ythickness) / 2);
  92
  93   return FALSE;
  94 }