RyuKen/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/InlineResponses.cs
Caian Benedicto e57b140429
Add support for inline software keyboard (#1868)
* Add background mode configuration to SoftwareKeyboardApplet

* Add placeholder text generator for Software Keyboard in background mode

* Add stub for GetIndirectLayerImageMap

* Fix default state of DecidedCancel response

* Add GUI text input to Software Keyboard in background mode

* Fix graphical glitch when Inline Software Keyboard appears

* Improve readability of InlineResponses class

* Improve code styling and fix compiler warnings

* Replace ServiceDisplay log class by ServiceVi

* Replace static readonly by const

* Add proper finalization to the keyboard applet in inline mode

* Rename constants to start with uppercase

* Fix inline keyboard not working with some games

* Improve code readability

* Fix code styling
2021-01-11 19:27:55 +01:00

295 lines
11 KiB
C#

using System.IO;
using System.Text;
namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
{
internal class InlineResponses
{
private const uint MaxStrLenUTF8 = 0x7D4;
private const uint MaxStrLenUTF16 = 0x3EC;
private static void BeginResponse(InlineKeyboardState state, InlineKeyboardResponse resCode, BinaryWriter writer)
{
writer.Write((uint)state);
writer.Write((uint)resCode);
}
private static uint WriteString(string text, BinaryWriter writer, uint maxSize, Encoding encoding)
{
// Ensure the text fits in the buffer, but do not straight cut the bytes because
// this may corrupt the encoding. Search for a cut in the source string that fits.
byte[] bytes = null;
for (int maxStr = text.Length; maxStr >= 0; maxStr--)
{
// This loop will probably will run only once.
bytes = encoding.GetBytes(text.Substring(0, maxStr));
if (bytes.Length <= maxSize)
{
break;
}
}
writer.Write(bytes);
writer.Seek((int)maxSize - bytes.Length, SeekOrigin.Current);
writer.Write((uint)text.Length); // String size
return (uint)text.Length; // Return the cursor position at the end of the text
}
private static void WriteStringWithCursor(string text, BinaryWriter writer, uint maxSize, Encoding encoding)
{
uint cursor = WriteString(text, writer, maxSize, encoding);
writer.Write(cursor); // Cursor position
}
public static byte[] FinishedInitialize()
{
uint resSize = 2 * sizeof(uint) + 0x1;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Ready, InlineKeyboardResponse.FinishedInitialize, writer);
writer.Write((byte)1); // Data (ignored by the program)
return stream.ToArray();
}
}
public static byte[] Default()
{
uint resSize = 2 * sizeof(uint);
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.Default, writer);
return stream.ToArray();
}
}
public static byte[] ChangedString(string text)
{
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.ChangedString, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF16, Encoding.Unicode);
writer.Write((int)0); // ?
writer.Write((int)0); // ?
return stream.ToArray();
}
}
public static byte[] MovedCursor(string text)
{
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.MovedCursor, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF16, Encoding.Unicode);
return stream.ToArray();
}
}
public static byte[] MovedTab(string text)
{
// Should be the same as MovedCursor.
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.MovedTab, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF16, Encoding.Unicode);
return stream.ToArray();
}
}
public static byte[] DecidedEnter(string text)
{
uint resSize = 3 * sizeof(uint) + MaxStrLenUTF16;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Completed, InlineKeyboardResponse.DecidedEnter, writer);
WriteString(text, writer, MaxStrLenUTF16, Encoding.Unicode);
return stream.ToArray();
}
}
public static byte[] DecidedCancel()
{
uint resSize = 2 * sizeof(uint);
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Completed, InlineKeyboardResponse.DecidedCancel, writer);
return stream.ToArray();
}
}
public static byte[] ChangedStringUtf8(string text)
{
uint resSize = 6 * sizeof(uint) + MaxStrLenUTF8;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.ChangedStringUtf8, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF8, Encoding.UTF8);
writer.Write((int)0); // ?
writer.Write((int)0); // ?
return stream.ToArray();
}
}
public static byte[] MovedCursorUtf8(string text)
{
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF8;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.MovedCursorUtf8, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF8, Encoding.UTF8);
return stream.ToArray();
}
}
public static byte[] DecidedEnterUtf8(string text)
{
uint resSize = 3 * sizeof(uint) + MaxStrLenUTF8;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Completed, InlineKeyboardResponse.DecidedEnterUtf8, writer);
WriteString(text, writer, MaxStrLenUTF8, Encoding.UTF8);
return stream.ToArray();
}
}
public static byte[] UnsetCustomizeDic()
{
uint resSize = 2 * sizeof(uint);
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.UnsetCustomizeDic, writer);
return stream.ToArray();
}
}
public static byte[] ReleasedUserWordInfo()
{
uint resSize = 2 * sizeof(uint);
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.ReleasedUserWordInfo, writer);
return stream.ToArray();
}
}
public static byte[] UnsetCustomizedDictionaries()
{
uint resSize = 2 * sizeof(uint);
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.Initializing, InlineKeyboardResponse.UnsetCustomizedDictionaries, writer);
return stream.ToArray();
}
}
public static byte[] ChangedStringV2(string text)
{
uint resSize = 6 * sizeof(uint) + MaxStrLenUTF16 + 0x1;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.ChangedStringV2, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF16, Encoding.Unicode);
writer.Write((int)0); // ?
writer.Write((int)0); // ?
writer.Write((byte)0); // Flag == 0
return stream.ToArray();
}
}
public static byte[] MovedCursorV2(string text)
{
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF16 + 0x1;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.MovedCursorV2, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF16, Encoding.Unicode);
writer.Write((byte)0); // Flag == 0
return stream.ToArray();
}
}
public static byte[] ChangedStringUtf8V2(string text)
{
uint resSize = 6 * sizeof(uint) + MaxStrLenUTF8 + 0x1;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.ChangedStringUtf8V2, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF8, Encoding.UTF8);
writer.Write((int)0); // ?
writer.Write((int)0); // ?
writer.Write((byte)0); // Flag == 0
return stream.ToArray();
}
}
public static byte[] MovedCursorUtf8V2(string text)
{
uint resSize = 4 * sizeof(uint) + MaxStrLenUTF8 + 0x1;
using (MemoryStream stream = new MemoryStream(new byte[resSize]))
using (BinaryWriter writer = new BinaryWriter(stream))
{
BeginResponse(InlineKeyboardState.DataAvailable, InlineKeyboardResponse.MovedCursorUtf8V2, writer);
WriteStringWithCursor(text, writer, MaxStrLenUTF8, Encoding.UTF8);
writer.Write((byte)0); // Flag == 0
return stream.ToArray();
}
}
}
}