src/ElmSharp.Wearable/ElmSharp.Wearable/CircleScroller.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using System.Diagnostics;
  19
  20 namespace ElmSharp.Wearable
  21 {
  22     /// <summary>
  23     /// Circle scroller provides scrollbar with circular movement and is scrolled by rotary event.
  24     /// </summary>
  25     public class CircleScroller : Scroller, IRotaryActionWidget
  26     {
  27         IntPtr _circleHandle;
  28         CircleSurface _surface;
  29
  30         /// <summary>
  31         /// Creates and initializes a new instance of the CircleScroller class.
  32         /// </summary>
  33         /// <param name="parent">The <see cref="EvasObject"/> to which the new CircleScroller will be attached as a child.</param>
  34         /// <param name="surface">The surface for drawing circle features for this widget.</param>
  35         public CircleScroller(EvasObject parent, CircleSurface surface) : base()
  36         {
  37             Debug.Assert(parent == null || surface == null || parent.IsRealized);
  38             _surface = surface;
  39             Realize(parent);
  40         }
  41
  42         /// <summary>
  43         /// Gets the handle for Circle Widget.
  44         /// </summary>
  45         public virtual IntPtr CircleHandle => _circleHandle;
  46
  47         /// <summary>
  48         /// Gets the handle for Circle Surface used in this widget
  49         /// </summary>
  50         public virtual CircleSurface CircleSurface => _surface;
  51
  52         /// <summary>
  53         /// Sets or gets the state of the widget, which might be enabled or disabled.
  54         /// </summary>
  55         public override bool IsEnabled
  56         {
  57             get
  58             {
  59                 return !Interop.Eext.eext_circle_object_disabled_get(Handle);
  60             }
  61             set
  62             {
  63                 Interop.Eext.eext_circle_object_disabled_set(Handle, !value);
  64             }
  65         }
  66
  67         /// <summary>
  68         /// Sets or gets the value of HorizontalScrollBarVisiblePolicy
  69         /// </summary>
  70         /// <remarks>
  71         /// ScrollBarVisiblePolicy.Auto means the horizontal scrollbar is made visible if it is needed, and otherwise kept hidden.
  72         /// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
  73         /// </remarks>
  74         public override ScrollBarVisiblePolicy HorizontalScrollBarVisiblePolicy
  75         {
  76             get
  77             {
  78                 int policy;
  79                 Interop.Eext.eext_circle_object_scroller_policy_get(CircleHandle, out policy, IntPtr.Zero);
  80                 return (ScrollBarVisiblePolicy)policy;
  81             }
  82             set
  83             {
  84                 ScrollBarVisiblePolicy v = VerticalScrollBarVisiblePolicy;
  85                 Interop.Eext.eext_circle_object_scroller_policy_set(CircleHandle, (int)value, (int)v);
  86             }
  87         }
  88
  89         /// <summary>
  90         /// Sets or gets the value of VerticalScrollBarVisiblePolicy
  91         /// </summary>
  92         /// <remarks>
  93         /// ScrollBarVisiblePolicy.Auto means the vertical scrollbar is made visible if it is needed, and otherwise kept hidden.
  94         /// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
  95         /// </remarks>
  96         public override ScrollBarVisiblePolicy VerticalScrollBarVisiblePolicy
  97         {
  98             get
  99             {
 100                 int policy;
 101                 Interop.Eext.eext_circle_object_scroller_policy_get(CircleHandle, IntPtr.Zero, out policy);
 102                 return (ScrollBarVisiblePolicy)policy;
 103             }
 104             set
 105             {
 106                 ScrollBarVisiblePolicy h = HorizontalScrollBarVisiblePolicy;
 107                 Interop.Eext.eext_circle_object_scroller_policy_set(CircleHandle, (int)h, (int)value);
 108             }
 109         }
 110
 111         /// <summary>
 112         /// Sets or gets color of the vertical scroll bar.
 113         /// </summary>
 114         public Color VerticalScrollBarColor
 115         {
 116             get
 117             {
 118                 int r = 0;
 119                 int g = 0;
 120                 int b = 0;
 121                 int a = 0;
 122                 Interop.Eext.eext_circle_object_color_get(CircleHandle, out r, out g, out b, out a);
 123                 return Color.FromRgba(r, g, b, a);
 124             }
 125             set
 126             {
 127                 Interop.Eext.eext_circle_object_color_set(CircleHandle, value.R, value.G, value.B, value.A);
 128             }
 129         }
 130
 131         /// <summary>
 132         /// Sets or gets color of the horizontal scroll bar.
 133         /// </summary>
 134         public Color HorizontalScrollBarColor
 135         {
 136             get
 137             {
 138                 int r = 0;
 139                 int g = 0;
 140                 int b = 0;
 141                 int a = 0;
 142                 Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "horizontal,scroll,bar", out r, out g, out b, out a);
 143                 return Color.FromRgba(r, g, b, a);
 144             }
 145             set
 146             {
 147                 Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "horizontal,scroll,bar", value.R, value.G, value.B, value.A);
 148             }
 149         }
 150
 151         /// <summary>
 152         /// Sets or gets color of the vertical scroll background.
 153         /// </summary>
 154         public Color VerticalScrollBackgroundColor
 155         {
 156             get
 157             {
 158                 int r = 0;
 159                 int g = 0;
 160                 int b = 0;
 161                 int a = 0;
 162                 Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "vertical,scroll,bg", out r, out g, out b, out a);
 163                 return Color.FromRgba(r, g, b, a);
 164             }
 165             set
 166             {
 167                 Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "vertical,scroll,bg", value.R, value.G, value.B, value.A);
 168             }
 169         }
 170
 171         /// <summary>
 172         /// Sets or gets color of the horizontal scroll background.
 173         /// </summary>
 174         public Color HorizontalScrollBackgroundColor
 175         {
 176             get
 177             {
 178                 int r = 0;
 179                 int g = 0;
 180                 int b = 0;
 181                 int a = 0;
 182                 Interop.Eext.eext_circle_object_item_color_get(CircleHandle, "horizontal,scroll,bg", out r, out g, out b, out a);
 183                 return Color.FromRgba(r, g, b, a);
 184             }
 185             set
 186             {
 187                 Interop.Eext.eext_circle_object_item_color_set(CircleHandle, "horizontal,scroll,bg", value.R, value.G, value.B, value.A);
 188             }
 189         }
 190
 191         /// <summary>
 192         /// Sets or gets line width of the vertical scroll bar.
 193         /// </summary>
 194         public int VerticalScrollBarLineWidth
 195         {
 196             get
 197             {
 198                 return Interop.Eext.eext_circle_object_line_width_get(CircleHandle);
 199             }
 200             set
 201             {
 202                 Interop.Eext.eext_circle_object_line_width_set(CircleHandle, value);
 203             }
 204         }
 205
 206         /// <summary>
 207         /// Sets or gets line width of the horizontal scroll bar.
 208         /// </summary>
 209         public int HorizontalScrollBarLineWidth
 210         {
 211             get
 212             {
 213                 return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "horizontal,scroll,bar");
 214             }
 215             set
 216             {
 217                 Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "horizontal,scroll,bar", value);
 218             }
 219         }
 220
 221         /// <summary>
 222         /// Sets or gets line width of the vertical scroll background.
 223         /// </summary>
 224         public int VerticalScrollBackgroundLineWidth
 225         {
 226             get
 227             {
 228                 return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "vertical,scroll,bg");
 229             }
 230             set
 231             {
 232                 Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "vertical,scroll,bg", value);
 233             }
 234         }
 235
 236         /// <summary>
 237         /// Sets or gets line width of the horizontal scroll background.
 238         /// </summary>
 239         public int HorizontalScrollBackgroundLineWidth
 240         {
 241             get
 242             {
 243                 return Interop.Eext.eext_circle_object_item_line_width_get(CircleHandle, "horizontal,scroll,bg");
 244             }
 245             set
 246             {
 247                 Interop.Eext.eext_circle_object_item_line_width_set(CircleHandle, "horizontal,scroll,bg", value);
 248             }
 249         }
 250
 251         /// <summary>
 252         /// Sets or gets radius of the vertical scroll bar.
 253         /// </summary>
 254         public double VerticalScrollBarRadius
 255         {
 256             get
 257             {
 258                 return Interop.Eext.eext_circle_object_radius_get(CircleHandle);
 259             }
 260             set
 261             {
 262                 Interop.Eext.eext_circle_object_radius_set(CircleHandle, value);
 263             }
 264         }
 265
 266         /// <summary>
 267         /// Sets or gets radius of the horizontal scroll bar.
 268         /// </summary>
 269         public double HorizontalScrollBarRadius
 270         {
 271             get
 272             {
 273                 return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "horizontal,scroll,bar");
 274             }
 275             set
 276             {
 277                 Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "horizontal,scroll,bar", value);
 278             }
 279         }
 280
 281         /// <summary>
 282         /// Sets or gets radius of the vertical scroll background.
 283         /// </summary>
 284         public double VerticalScrollBackgroundRadius
 285         {
 286             get
 287             {
 288                 return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "vertical,scroll,bg");
 289             }
 290             set
 291             {
 292                 Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "vertical,scroll,bg", value);
 293             }
 294         }
 295
 296         /// <summary>
 297         /// Sets or gets radius of the horizontal scroll background.
 298         /// </summary>
 299         public double HorizontalScrollBackgroundRadius
 300         {
 301             get
 302             {
 303                 return Interop.Eext.eext_circle_object_item_radius_get(CircleHandle, "horizontal,scroll,bg");
 304             }
 305             set
 306             {
 307                 Interop.Eext.eext_circle_object_item_radius_set(CircleHandle, "horizontal,scroll,bg", value);
 308             }
 309         }
 310
 311         /// <summary>
 312         /// Creates a widget handle.
 313         /// </summary>
 314         /// <param name="parent">Parent EvasObject</param>
 315         /// <returns>Handle IntPtr</returns>
 316         protected override IntPtr CreateHandle(EvasObject parent)
 317         {
 318             IntPtr handle = base.CreateHandle(parent);
 319             _circleHandle = Interop.Eext.eext_circle_object_scroller_add(RealHandle == IntPtr.Zero ? Handle : RealHandle, CircleSurface.Handle);
 320             return handle;
 321         }
 322     }
 323 }