/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.ComponentModel;
using System.Diagnostics;
namespace ElmSharp.Wearable
{
///
/// Circle scroller provides the scrollbar with a circular movement, and is scrolled by the Rotary event.
///
/// preview
public class CircleScroller : Scroller, IRotaryActionWidget
{
IntPtr _circleHandle;
CircleSurface _surface;
///
/// Creates and initializes a new instance of the CircleScroller class.
///
/// The to which the new CircleScroller will be attached as a child.
/// The surface for drawing circle features for this widget.
/// preview
public CircleScroller(EvasObject parent, CircleSurface surface) : base()
{
Debug.Assert(parent == null || surface == null || parent.IsRealized);
_surface = surface;
Realize(parent);
}
///
/// Creates and initializes a new instance of the Circle Scroller class.
///
/// The parent of the new Circle CircleScroller instance.
/// preview
[Obsolete("It is not safe for guess circle surface from parent and create new surface by every new widget")]
[EditorBrowsable(EditorBrowsableState.Never)]
public CircleScroller(EvasObject parent) : this(parent, CircleSurface.CreateCircleSurface(parent))
{
((IRotaryActionWidget)this).Activate();
}
///
/// Gets the handle for the Circle widget.
///
/// preview
public virtual IntPtr CircleHandle => _circleHandle;
///
/// Gets the handle for the circle surface used in this widget.
///
/// preview
public virtual CircleSurface CircleSurface => _surface;
///
/// Sets or gets the disabled state of this widget.
///
/// preview
[Obsolete("Use IsEnabled")]
[EditorBrowsable(EditorBrowsableState.Never)]
public bool Disabled
{
get => !IsEnabled;
set => IsEnabled = !value;
}
///
/// Sets or gets the state of the widget, which might be enabled or disabled.
///
/// preview
public override bool IsEnabled
{
get
{
return !Interop.Eext.eext_circle_object_disabled_get(CircleHandle);
}
set
{
Interop.Eext.eext_circle_object_disabled_set(CircleHandle, !value);
}
}
///
/// Sets or gets the value of HorizontalScrollBarVisiblePolicy.
///
///
/// ScrollBarVisiblePolicy.Auto means the horizontal scrollbar is made visible if it is needed, otherwise kept hidden.
/// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
///
/// preview
public override ScrollBarVisiblePolicy HorizontalScrollBarVisiblePolicy
{
get
{
int policy;
Interop.Eext.eext_circle_object_scroller_policy_get(CircleHandle, out policy, IntPtr.Zero);
return (ScrollBarVisiblePolicy)policy;
}
set
{
ScrollBarVisiblePolicy v = VerticalScrollBarVisiblePolicy;
Interop.Eext.eext_circle_object_scroller_policy_set(CircleHandle, (int)value, (int)v);
}
}
///
/// Sets or gets the value of VerticalScrollBarVisiblePolicy.
///
///
/// ScrollBarVisiblePolicy.Auto means the vertical scrollbar is made visible if it is needed, otherwise kept hidden.
/// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
///
/// preview
public override ScrollBarVisiblePolicy VerticalScrollBarVisiblePolicy
{
get
{
int policy;
Interop.Eext.eext_circle_object_scroller_policy_get(CircleHandle, IntPtr.Zero, out policy);
return (ScrollBarVisiblePolicy)policy;
}
set
{
ScrollBarVisiblePolicy h = HorizontalScrollBarVisiblePolicy;
Interop.Eext.eext_circle_object_scroller_policy_set(CircleHandle, (int)h, (int)value);
}
}
///
/// Sets or gets the color of the vertical scroll bar.
///
/// preview
public Color VerticalScrollBarColor
{
get
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
Interop.Eext.eext_circle_object_color_get(CircleHandle, out r, out g, out b, out a);
return Color.FromRgba(r, g, b, a);
}
set
{
Interop.Eext.eext_circle_object_color_set(CircleHandle, value.R, value.G, value.B, value.A);
}
}
///
/// Sets or gets the color of the horizontal scroll bar.
///
/// preview
public Color HorizontalScrollBarColor
{
get
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "horizontal,scroll,bar", out r, out g, out b, out a);
return Color.FromRgba(r, g, b, a);
}
set
{
Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "horizontal,scroll,bar", value.R, value.G, value.B, value.A);
}
}
///
/// Sets or gets the color of the vertical scroll background.
///
/// preview
public Color VerticalScrollBackgroundColor
{
get
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "vertical,scroll,bg", out r, out g, out b, out a);
return Color.FromRgba(r, g, b, a);
}
set
{
Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "vertical,scroll,bg", value.R, value.G, value.B, value.A);
}
}
///
/// Sets or gets the color of the horizontal scroll background.
///
/// preview
public Color HorizontalScrollBackgroundColor
{
get
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "horizontal,scroll,bg", out r, out g, out b, out a);
return Color.FromRgba(r, g, b, a);
}
set
{
Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "horizontal,scroll,bg", value.R, value.G, value.B, value.A);
}
}
///
/// Sets or gets the line width of the vertical scroll bar.
///
/// preview
public int VerticalScrollBarLineWidth
{
get
{
return Interop.Eext.eext_circle_object_line_width_get(CircleHandle);
}
set
{
Interop.Eext.eext_circle_object_line_width_set(CircleHandle, value);
}
}
///
/// Sets or gets the line width of the horizontal scroll bar.
///
/// preview
public int HorizontalScrollBarLineWidth
{
get
{
return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "horizontal,scroll,bar");
}
set
{
Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "horizontal,scroll,bar", value);
}
}
///
/// Sets or gets the line width of the vertical scroll background.
///
/// preview
public int VerticalScrollBackgroundLineWidth
{
get
{
return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "vertical,scroll,bg");
}
set
{
Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "vertical,scroll,bg", value);
}
}
///
/// Sets or gets the line width of the horizontal scroll background.
///
/// preview
public int HorizontalScrollBackgroundLineWidth
{
get
{
return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "horizontal,scroll,bg");
}
set
{
Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "horizontal,scroll,bg", value);
}
}
///
/// Sets or gets the radius of the vertical scroll bar.
///
/// preview
public double VerticalScrollBarRadius
{
get
{
return Interop.Eext.eext_circle_object_radius_get(CircleHandle);
}
set
{
Interop.Eext.eext_circle_object_radius_set(CircleHandle, value);
}
}
///
/// Sets or gets the radius of the horizontal scroll bar.
///
/// preview
public double HorizontalScrollBarRadius
{
get
{
return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "horizontal,scroll,bar");
}
set
{
Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "horizontal,scroll,bar", value);
}
}
///
/// Sets or gets the radius of the vertical scroll background.
///
/// preview
public double VerticalScrollBackgroundRadius
{
get
{
return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "vertical,scroll,bg");
}
set
{
Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "vertical,scroll,bg", value);
}
}
///
/// Sets or gets the radius of the horizontal scroll background.
///
/// preview
public double HorizontalScrollBackgroundRadius
{
get
{
return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "horizontal,scroll,bg");
}
set
{
Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "horizontal,scroll,bg", value);
}
}
///
/// Creates a widget handle.
///
/// Parent EvasObject.
/// Handle IntPtr.
/// preview
protected override IntPtr CreateHandle(EvasObject parent)
{
IntPtr handle = base.CreateHandle(parent);
_circleHandle = Interop.Eext.eext_circle_object_scroller_add(RealHandle == IntPtr.Zero ? handle : RealHandle, CircleSurface.Handle);
return handle;
}
}
}