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CursorInteropHelper

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This commit is contained in:
Aigio Liu
2021-04-26 21:57:34 +08:00
parent c2532dee51
commit f2bf50f2cf
2 changed files with 47 additions and 88 deletions
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references/CefNet/CefNet.Avalonia/Internal/CursorInteropHelper.Beta.cs
+47 -79
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@@ -9,90 +9,58 @@ using System.Text;
namespace CefNet.Internal
{
public static class CursorInteropHelper
{
private static readonly Dictionary<IntPtr, Cursor> _Cursors = new Dictionary<IntPtr, Cursor>();
private static readonly Dictionary<StandardCursorType, Cursor> _StdCursors = new Dictionary<StandardCursorType, Cursor>();
public static class CursorInteropHelper
{
private static readonly Dictionary<IntPtr, Cursor> _Cursors = new Dictionary<IntPtr, Cursor>();
private static readonly Dictionary<StandardCursorType, Cursor> _StdCursors = new Dictionary<StandardCursorType, Cursor>();
#region Avalonia API Change see https://github.com/AvaloniaUI/Avalonia/pull/5763
static readonly object lock_GetPlatformHandle = new object();
static readonly Dictionary<Type, Func<ICursorImpl, IntPtr>> _GetPlatformHandle = new Dictionary<Type, Func<ICursorImpl, IntPtr>>();
static IntPtr GetDefault(ICursorImpl _) => default;
static IntPtr GetPlatformHandle(Cursor cursor)
{
if (cursor != null)
{
if (cursor.PlatformImpl is IPlatformHandle i)
{
return i.Handle;
}
else if (cursor.PlatformImpl != null)
{
var cursorType = cursor.PlatformImpl.GetType();
if (_GetPlatformHandle.ContainsKey(cursorType))
{
return _GetPlatformHandle[cursorType](cursor.PlatformImpl);
}
else
{
lock (lock_GetPlatformHandle)
{
Func<ICursorImpl, IntPtr> value;
var p = cursorType.GetProperty(nameof(IPlatformHandle.Handle), BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, typeof(IntPtr), Array.Empty<Type>(), Array.Empty<ParameterModifier>());
if (p != null)
{
value = c => (IntPtr)p.GetValue(c);
}
else
{
value = GetDefault;
}
_GetPlatformHandle.Add(cursorType, value);
return value(cursor.PlatformImpl);
}
}
}
}
private static IntPtr GetPlatformHandle(Cursor cursor)
{
if (cursor != null)
{
if (cursor.PlatformImpl is IPlatformHandle i)
{
return i.Handle;
}
}
return default;
}
return default;
}
#endregion
static CursorInteropHelper()
{
foreach (StandardCursorType cursorType in Enum.GetValues(typeof(StandardCursorType)))
{
var cursor = new Cursor(cursorType);
var handle = GetPlatformHandle(cursor);
if (handle == default || _Cursors.ContainsKey(handle))
continue;
static CursorInteropHelper()
{
foreach (StandardCursorType cursorType in Enum.GetValues(typeof(StandardCursorType)))
{
var cursor = new Cursor(cursorType);
var handle = GetPlatformHandle(cursor);
if (_Cursors.ContainsKey(handle))
continue;
_Cursors.Add(handle, cursor);
_StdCursors.Add(cursorType, cursor);
}
}
_Cursors.Add(handle, cursor);
_StdCursors.Add(cursorType, cursor);
}
}
public static Cursor Create(IntPtr cursorHandle)
{
if (_Cursors.TryGetValue(cursorHandle, out Cursor cursor))
return cursor;
return Cursor.Default;
}
public static Cursor Create(IntPtr cursorHandle)
{
if (_Cursors.TryGetValue(cursorHandle, out Cursor cursor))
return cursor;
return Cursor.Default;
}
public static Cursor Create(StandardCursorType cursorType)
{
Cursor cursor;
lock (_StdCursors)
{
if (!_StdCursors.TryGetValue(cursorType, out cursor))
{
cursor = new Cursor(cursorType);
_StdCursors[cursorType] = cursor;
}
}
return cursor;
}
public static Cursor Create(StandardCursorType cursorType)
{
Cursor cursor;
lock (_StdCursors)
{
if (!_StdCursors.TryGetValue(cursorType, out cursor))
{
cursor = new Cursor(cursorType);
_StdCursors[cursorType] = cursor;
}
}
return cursor;
}
}
}
}
#endif
src/ST.Client.Desktop.Avalonia/ST.Client.Desktop.Avalonia.csproj
-9
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@@ -48,13 +48,4 @@
<ItemGroup Condition="'$(Configuration)'=='Debug'">
<PackageReference Include="Avalonia.Diagnostics" Version="0.10.999-cibuild0013745-beta" />
</ItemGroup>
<ItemGroup>
<Compile Update="Application\UI\Views\Windows\AchievementWindow.axaml.cs">
<DependentUpon>AchievementWindow.axaml</DependentUpon>
</Compile>
<Compile Update="Application\UI\Views\Windows\ScriptStoreWindow.axaml.cs">
<DependentUpon>ScriptStoreWindow.axaml</DependentUpon>
</Compile>
</ItemGroup>
</Project>