src/Tizen.Uix.InputMethod/Tizen.Uix.InputMethod/IMEApplication.cs

   1 using System;
   2 using Xamarin.Forms;
   3 using Xamarin.Forms.Platform.Tizen;
   4 using Tizen;
   5 using ElmSharp;
   6 using static Interop.InputMethod;
   7
   8 namespace Tizen.Uix.InputMethod
   9 {
  10     public class IMEWindow : Xamarin.Forms.Platform.Tizen.Native.Window
  11     {
  12         /* There can be only one single IME Window, so we are declaring the size variables as static */
  13         static Xamarin.Forms.Size _portrait_size = new Xamarin.Forms.Size(0.0 ,0.0);
  14         static Xamarin.Forms.Size _landscape_size = new Xamarin.Forms.Size(0.0, 0.0);
  15
  16         public static Xamarin.Forms.Size PortraitSize
  17         {
  18             get { return _portrait_size; }
  19             internal set
  20             {
  21                 _portrait_size = value;
  22                 ImeSetSize((int)PortraitSize.Width, (int)PortraitSize.Height,
  23                            (int)LandscapeSize.Width, (int)LandscapeSize.Height);
  24             }
  25         }
  26
  27         public static Xamarin.Forms.Size LandscapeSize
  28         {
  29             get { return _landscape_size; }
  30             internal set
  31             {
  32                 _landscape_size = value;
  33                 ImeSetSize((int)PortraitSize.Width, (int)PortraitSize.Height,
  34                            (int)LandscapeSize.Width, (int)LandscapeSize.Height);
  35             }
  36         }
  37
  38         public IMEWindow() : base()
  39         {
  40             if (_portrait_size.Width == 0 || _portrait_size.Height == 0)
  41             {
  42                 Log.Warn(LogTag, "The width and/or height of portrait IME size contains value 0");
  43             }
  44             if (_landscape_size.Width == 0 || _landscape_size.Height == 0)
  45             {
  46                 Log.Warn(LogTag, "The width and/or height of landscape IME size contains value 0");
  47             }
  48
  49             ImeSetSize((int)PortraitSize.Width, (int)PortraitSize.Height,
  50                        (int)LandscapeSize.Width, (int)LandscapeSize.Height);
  51         }
  52
  53         protected override IntPtr CreateHandle(EvasObject parent)
  54         {
  55             /* We are acquiring IME Window's pointer which is expected to be created
  56              * when calling Create() function of the InputMethodEditor class */
  57             IntPtr handle = ImeGetMainWindow();
  58             Log.Info(LogTag, "ImeGetMainWindow returned : " + handle.ToString());
  59
  60             return handle;
  61         }
  62     }
  63
  64     public class IMEApplication : Xamarin.Forms.Platform.Tizen.FormsApplication
  65     {
  66         protected IMEApplication()
  67         {
  68         }
  69
  70         public Xamarin.Forms.Size PortraitSize
  71         {
  72             get { return IMEWindow.PortraitSize; }
  73             set { IMEWindow.PortraitSize = value; }
  74         }
  75
  76         public Xamarin.Forms.Size LandscapeSize
  77         {
  78             get { return IMEWindow.LandscapeSize; }
  79             set { IMEWindow.LandscapeSize = value; }
  80         }
  81
  82         protected override void OnPreCreate()
  83         {
  84             try
  85             {
  86                 Application.ClearCurrent();
  87
  88                 /* Since the IMEWindow class acquires window handle from InputMethod module
  89                  * which is created internally when calling InputMethodEditor.Create() function,
  90                  * this needs to be called BEFORE creating new IMEWindow instance. */
  91                 InputMethod.InputMethodEditor.Create();
  92
  93                 MainWindow = new IMEWindow();
  94                 MainWindow.IndicatorMode = IndicatorMode.Hide;
  95                 MainWindow.Show();
  96             }
  97             catch (Exception e)
  98             {
  99                 Log.Error("EXCEPTION", "Exception caught : " + e.ToString());
 100             }
 101         }
 102
 103         protected override void OnTerminate()
 104         {
 105             InputMethod.InputMethodEditor.Destroy();
 106             base.OnTerminate();
 107         }
 108
 109         protected override void OnPause()
 110         {
 111             base.OnPause();
 112         }
 113
 114         protected override void OnResume()
 115         {
 116             base.OnResume();
 117         }
 118     }
 119 }