ags/widget/ags_scale_box.c

/* GSequencer - Advanced GTK Sequencer
 * Copyright (C) 2005-2019 Joël Krähemann
 *
 * This file is part of GSequencer.
 *
 * GSequencer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GSequencer 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GSequencer.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <ags/widget/ags_scale_box.h>
#include <ags/widget/ags_scale.h>

void ags_scale_box_class_init(AgsScaleBoxClass *scale_box);
void ags_scale_box_init(AgsScaleBox *scale_box);
void ags_scale_box_set_property(GObject *gobject,
				guint prop_id,
				const GValue *value,
				GParamSpec *param_spec);
void ags_scale_box_get_property(GObject *gobject,
				guint prop_id,
				GValue *value,
				GParamSpec *param_spec);
void ags_scale_box_finalize(GObject *gobject);

GType ags_scale_box_child_type(GtkContainer *container);

/**
 * SECTION:ags_scale_box
 * @short_description: abstract box widget
 * @title: AgsScaleBox
 * @section_id:
 * @include: ags/widget/ags_scale_box.h
 *
 * The #AgsScaleBox is an abstract box widget containing #AgsScale.
 */

enum{
  PROP_0,
  PROP_FIXED_SCALE_WIDTH,
  PROP_FIXED_SCALE_HEIGHT,
};

static gpointer ags_scale_box_parent_class = NULL;

GType
ags_scale_box_get_type(void)
{
  static volatile gsize g_define_type_id__volatile = 0;

  if(g_once_init_enter (&g_define_type_id__volatile)){
    GType ags_type_scale_box = 0;

    static const GTypeInfo ags_scale_box_info = {
      sizeof (AgsScaleBoxClass),
      NULL, /* base_init */
      NULL, /* base_finalize */
      (GClassInitFunc) ags_scale_box_class_init,
      NULL, /* class_finalize */
      NULL, /* class_data */
      sizeof (AgsScaleBox),
      0,    /* n_preallocs */
      (GInstanceInitFunc) ags_scale_box_init,
    };

    ags_type_scale_box = g_type_register_static(GTK_TYPE_BOX,
						"AgsScaleBox", &ags_scale_box_info,
						0);

    g_once_init_leave(&g_define_type_id__volatile, ags_type_scale_box);
  }

  return g_define_type_id__volatile;
}

void
ags_scale_box_class_init(AgsScaleBoxClass *scale_box)
{
  GObjectClass *gobject;
  GtkWidgetClass *widget;
  GtkContainerClass *container;

  GParamSpec *param_spec;

  ags_scale_box_parent_class = g_type_class_peek_parent(scale_box);

  /* GObjectClass */
  gobject = (GObjectClass *) scale_box;

  gobject->set_property = ags_scale_box_set_property;
  gobject->get_property = ags_scale_box_get_property;

  gobject->finalize = ags_scale_box_finalize;

  /* properties */
  /**
   * AgsScaleBox:fixed-scale-width:
   *
   * The fixed width of a scale.
   *
   * Since: 3.0.0
   */
  param_spec = g_param_spec_uint("fixed-scale-width",
				 "fixed scale width",
				 "The fixed width of a scale",
				 0,
				 G_MAXUINT,
				 AGS_SCALE_BOX_DEFAULT_FIXED_SCALE_WIDTH,
				 G_PARAM_READABLE | G_PARAM_WRITABLE);
  g_object_class_install_property(gobject,
				  PROP_FIXED_SCALE_WIDTH,
				  param_spec);

  /**
   * AgsScaleBox:fixed-scale-height:
   *
   * The fixed height of a scale.
   *
   * Since: 3.0.0
   */
  param_spec = g_param_spec_uint("fixed-scale-height",
				 "fixed scale height",
				 "The fixed height of a scale",
				 0,
				 G_MAXUINT,
				 AGS_SCALE_BOX_DEFAULT_FIXED_SCALE_HEIGHT,
				 G_PARAM_READABLE | G_PARAM_WRITABLE);
  g_object_class_install_property(gobject,
				  PROP_FIXED_SCALE_HEIGHT,
				  param_spec);

  /* GtkWidgetClass */
  widget = (GtkWidgetClass *) scale_box;

  /* GtkContainerClass */
  container = (GtkWidgetClass *) scale_box;

  container->child_type = ags_scale_box_child_type;
}

void
ags_scale_box_init(AgsScaleBox *scale_box)
{
  g_object_set(scale_box,
	       "homogeneous", FALSE,
	       "spacing", 0,
	       NULL);

  scale_box->flags = 0;

  scale_box->fixed_scale_width = AGS_SCALE_BOX_DEFAULT_FIXED_SCALE_WIDTH;
  scale_box->fixed_scale_height = AGS_SCALE_BOX_DEFAULT_FIXED_SCALE_HEIGHT;
}

void
ags_scale_box_set_property(GObject *gobject,
			   guint prop_id,
			   const GValue *value,
			   GParamSpec *param_spec)
{
  AgsScaleBox *scale_box;

  scale_box = AGS_SCALE_BOX(gobject);

  switch(prop_id){
  case PROP_FIXED_SCALE_WIDTH:
    {
      scale_box->fixed_scale_width = g_value_get_uint(value);
    }
    break;
  case PROP_FIXED_SCALE_HEIGHT:
    {
      scale_box->fixed_scale_height = g_value_get_uint(value);
    }
    break;
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, param_spec);
    break;
  }
}

void
ags_scale_box_get_property(GObject *gobject,
			   guint prop_id,
			   GValue *value,
			   GParamSpec *param_spec)
{
  AgsScaleBox *scale_box;

  scale_box = AGS_SCALE_BOX(gobject);

  switch(prop_id){
  case PROP_FIXED_SCALE_WIDTH:
    {
      g_value_set_uint(value,
		       scale_box->fixed_scale_width);
    }
    break;
  case PROP_FIXED_SCALE_HEIGHT:
    {
      g_value_set_uint(value,
		       scale_box->fixed_scale_height);
    }
    break;
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, param_spec);
    break;
  }
}

void
ags_scale_box_finalize(GObject *gobject)
{
  /* call parent */
  G_OBJECT_CLASS(ags_scale_box_parent_class)->finalize(gobject);
}

GType
ags_scale_box_child_type(GtkContainer *container)
{
  return(AGS_TYPE_SCALE);
}

/**
 * ags_scale_box_new:
 *
 * Create a new instance of #AgsScaleBox.
 *
 * Returns: the new #AgsScaleBox instance
 *
 * Since: 3.0.0
 */
AgsScaleBox*
ags_scale_box_new()
{
  AgsScaleBox *scale_box;

  scale_box = (AgsScaleBox *) g_object_new(AGS_TYPE_SCALE_BOX,
					   NULL);

  return(scale_box);
}