266 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			266 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* GTK - The GIMP Toolkit
 | 
						|
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 | 
						|
 *
 | 
						|
 * This library is free software; you can redistribute it and/or
 | 
						|
 * modify it under the terms of the GNU Lesser General Public
 | 
						|
 * License as published by the Free Software Foundation; either
 | 
						|
 * version 2 of the License, or (at your option) any later version.
 | 
						|
 *
 | 
						|
 * This library is distributed in the hope that it will be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | 
						|
 * Lesser General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU Lesser General Public
 | 
						|
 * License along with this library; if not, write to the
 | 
						|
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 | 
						|
 * Boston, MA 02111-1307, USA.
 | 
						|
 */
 | 
						|
 | 
						|
/*
 | 
						|
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 | 
						|
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 | 
						|
 * files for a list of changes.  These files are distributed with
 | 
						|
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
 | 
						|
 */
 | 
						|
 | 
						|
#include "config.h"
 | 
						|
 | 
						|
#include "gtkorientable.h"
 | 
						|
#include "gtkseparator.h"
 | 
						|
#include "gtkprivate.h"
 | 
						|
#include "gtkintl.h"
 | 
						|
 | 
						|
/**
 | 
						|
 * SECTION:gtkseparator
 | 
						|
 * @Short_description: Base class for GtkHSeparator and GtkVSeparator
 | 
						|
 * @Title: GtkSeparator
 | 
						|
 *
 | 
						|
 * The GtkSeparator widget is the base class for #GtkHSeparator and
 | 
						|
 * #GtkVSeparator. It can be used in the same way as these, by setting
 | 
						|
 * the "orientation" property suitably.
 | 
						|
 */
 | 
						|
 | 
						|
 | 
						|
enum {
 | 
						|
  PROP_0,
 | 
						|
  PROP_ORIENTATION
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
typedef struct _GtkSeparatorPrivate GtkSeparatorPrivate;
 | 
						|
 | 
						|
struct _GtkSeparatorPrivate
 | 
						|
{
 | 
						|
  GtkOrientation orientation;
 | 
						|
};
 | 
						|
 | 
						|
#define GTK_SEPARATOR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_SEPARATOR, GtkSeparatorPrivate))
 | 
						|
 | 
						|
 | 
						|
static void       gtk_separator_set_property (GObject        *object,
 | 
						|
                                              guint           prop_id,
 | 
						|
                                              const GValue   *value,
 | 
						|
                                              GParamSpec     *pspec);
 | 
						|
static void       gtk_separator_get_property (GObject        *object,
 | 
						|
                                              guint           prop_id,
 | 
						|
                                              GValue         *value,
 | 
						|
                                              GParamSpec     *pspec);
 | 
						|
 | 
						|
static void       gtk_separator_size_request (GtkWidget      *widget,
 | 
						|
                                              GtkRequisition *requisition);
 | 
						|
static gboolean   gtk_separator_expose       (GtkWidget      *widget,
 | 
						|
                                              GdkEventExpose *event);
 | 
						|
 | 
						|
 | 
						|
G_DEFINE_TYPE_WITH_CODE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET,
 | 
						|
                         G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
 | 
						|
                                                NULL))
 | 
						|
 | 
						|
 | 
						|
static void
 | 
						|
gtk_separator_class_init (GtkSeparatorClass *class)
 | 
						|
{
 | 
						|
  GObjectClass *object_class = G_OBJECT_CLASS (class);
 | 
						|
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 | 
						|
 | 
						|
  object_class->set_property = gtk_separator_set_property;
 | 
						|
  object_class->get_property = gtk_separator_get_property;
 | 
						|
 | 
						|
  widget_class->size_request = gtk_separator_size_request;
 | 
						|
  widget_class->expose_event = gtk_separator_expose;
 | 
						|
 | 
						|
  g_object_class_override_property (object_class,
 | 
						|
                                    PROP_ORIENTATION,
 | 
						|
                                    "orientation");
 | 
						|
 | 
						|
  g_type_class_add_private (object_class, sizeof (GtkSeparatorPrivate));
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
gtk_separator_init (GtkSeparator *separator)
 | 
						|
{
 | 
						|
  GtkWidget *widget = GTK_WIDGET (separator);
 | 
						|
  GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (separator);
 | 
						|
 | 
						|
  gtk_widget_set_has_window (GTK_WIDGET (separator), FALSE);
 | 
						|
 | 
						|
  private->orientation = GTK_ORIENTATION_HORIZONTAL;
 | 
						|
 | 
						|
  widget->requisition.width  = 1;
 | 
						|
  widget->requisition.height = widget->style->ythickness;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
gtk_separator_set_property (GObject      *object,
 | 
						|
                            guint         prop_id,
 | 
						|
                            const GValue *value,
 | 
						|
                            GParamSpec   *pspec)
 | 
						|
{
 | 
						|
  GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (object);
 | 
						|
 | 
						|
  switch (prop_id)
 | 
						|
    {
 | 
						|
    case PROP_ORIENTATION:
 | 
						|
      private->orientation = g_value_get_enum (value);
 | 
						|
      gtk_widget_queue_resize (GTK_WIDGET (object));
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 | 
						|
      break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
gtk_separator_get_property (GObject    *object,
 | 
						|
                            guint       prop_id,
 | 
						|
                            GValue     *value,
 | 
						|
                            GParamSpec *pspec)
 | 
						|
{
 | 
						|
  GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (object);
 | 
						|
 | 
						|
  switch (prop_id)
 | 
						|
    {
 | 
						|
    case PROP_ORIENTATION:
 | 
						|
      g_value_set_enum (value, private->orientation);
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 | 
						|
      break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
gtk_separator_size_request (GtkWidget      *widget,
 | 
						|
                            GtkRequisition *requisition)
 | 
						|
{
 | 
						|
  GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (widget);
 | 
						|
  gboolean wide_separators;
 | 
						|
  gint     separator_width;
 | 
						|
  gint     separator_height;
 | 
						|
 | 
						|
  gtk_widget_style_get (widget,
 | 
						|
                        "wide-separators",  &wide_separators,
 | 
						|
                        "separator-width",  &separator_width,
 | 
						|
                        "separator-height", &separator_height,
 | 
						|
                        NULL);
 | 
						|
 | 
						|
  requisition->width  = 1;
 | 
						|
  requisition->height = 1;
 | 
						|
 | 
						|
  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
 | 
						|
    {
 | 
						|
      if (wide_separators)
 | 
						|
        requisition->height = separator_height;
 | 
						|
      else
 | 
						|
        requisition->height = widget->style->ythickness;
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      if (wide_separators)
 | 
						|
        requisition->width = separator_width;
 | 
						|
      else
 | 
						|
        requisition->width = widget->style->xthickness;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static gboolean
 | 
						|
gtk_separator_expose (GtkWidget      *widget,
 | 
						|
                      GdkEventExpose *event)
 | 
						|
{
 | 
						|
  GtkSeparatorPrivate *private = GTK_SEPARATOR_GET_PRIVATE (widget);
 | 
						|
  gboolean wide_separators;
 | 
						|
  gint     separator_width;
 | 
						|
  gint     separator_height;
 | 
						|
 | 
						|
  if (!gtk_widget_is_drawable (widget))
 | 
						|
    return FALSE;
 | 
						|
 | 
						|
  gtk_widget_style_get (widget,
 | 
						|
                        "wide-separators",  &wide_separators,
 | 
						|
                        "separator-width",  &separator_width,
 | 
						|
                        "separator-height", &separator_height,
 | 
						|
                        NULL);
 | 
						|
 | 
						|
  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
 | 
						|
    {
 | 
						|
      if (wide_separators)
 | 
						|
        gtk_paint_box (widget->style, widget->window,
 | 
						|
                       gtk_widget_get_state (widget), GTK_SHADOW_ETCHED_OUT,
 | 
						|
                       &event->area, widget, "hseparator",
 | 
						|
                       widget->allocation.x,
 | 
						|
                       widget->allocation.y + (widget->allocation.height -
 | 
						|
                                               separator_height) / 2,
 | 
						|
                       widget->allocation.width,
 | 
						|
                       separator_height);
 | 
						|
      else
 | 
						|
        gtk_paint_hline (widget->style, widget->window,
 | 
						|
                         gtk_widget_get_state (widget),
 | 
						|
                         &event->area, widget, "hseparator",
 | 
						|
                         widget->allocation.x,
 | 
						|
                         widget->allocation.x + widget->allocation.width - 1,
 | 
						|
                         widget->allocation.y + (widget->allocation.height -
 | 
						|
                                                 widget->style->ythickness) / 2);
 | 
						|
    }
 | 
						|
  else
 | 
						|
    {
 | 
						|
      if (wide_separators)
 | 
						|
        gtk_paint_box (widget->style, widget->window,
 | 
						|
                       gtk_widget_get_state (widget), GTK_SHADOW_ETCHED_OUT,
 | 
						|
                       &event->area, widget, "vseparator",
 | 
						|
                       widget->allocation.x + (widget->allocation.width -
 | 
						|
                                               separator_width) / 2,
 | 
						|
                       widget->allocation.y,
 | 
						|
                       separator_width,
 | 
						|
                       widget->allocation.height);
 | 
						|
      else
 | 
						|
        gtk_paint_vline (widget->style, widget->window,
 | 
						|
                         gtk_widget_get_state (widget),
 | 
						|
                         &event->area, widget, "vseparator",
 | 
						|
                         widget->allocation.y,
 | 
						|
                         widget->allocation.y + widget->allocation.height - 1,
 | 
						|
                         widget->allocation.x + (widget->allocation.width -
 | 
						|
                                                 widget->style->xthickness) / 2);
 | 
						|
    }
 | 
						|
 | 
						|
  return FALSE;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * gtk_separator_new:
 | 
						|
 * @orientation: the separator's orientation.
 | 
						|
 *
 | 
						|
 * Creates a new #GtkSeparator with the given orientation.
 | 
						|
 *
 | 
						|
 * Return value: a new #GtkSeparator.
 | 
						|
 *
 | 
						|
 * Since: 3.0
 | 
						|
 **/
 | 
						|
GtkWidget *
 | 
						|
gtk_separator_new (GtkOrientation orientation)
 | 
						|
{
 | 
						|
  return g_object_new (GTK_TYPE_SEPARATOR,
 | 
						|
                       "orientation", orientation,
 | 
						|
                       NULL);
 | 
						|
}
 |