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Fix IME (#981)

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Co-authored-by: Loskh <1020612624@qq.com>
This commit is contained in:
Bluefissure 2022-08-31 15:09:24 -05:00 • committed by GitHub
parent 5dbed370f8
commit 26835467ea
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 120 additions and 88 deletions
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185
Dalamud/Game/Gui/Internal/DalamudIME.cs
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@ -58,15 +58,73 @@ namespace Dalamud.Game.Gui.Internal
Marshal.FreeHGlobal((IntPtr)this.cursorPos);
}
private unsafe void LoadCand(IntPtr hWnd)
{
if (hWnd == IntPtr.Zero)
return;
var hIMC = ImmGetContext(hWnd);
if (hIMC == IntPtr.Zero)
return;
var size = ImmGetCandidateListW(hIMC, 0, IntPtr.Zero, 0);
if (size == 0)
return;
var candlistPtr = Marshal.AllocHGlobal((int)size);
size = ImmGetCandidateListW(hIMC, 0, candlistPtr, (uint)size);
var candlist = this.ImmCandNative = Marshal.PtrToStructure<CandidateList>(candlistPtr);
var pageSize = candlist.PageSize;
var candCount = candlist.Count;
if (pageSize > 0 && candCount > 1)
{
var dwOffsets = new int[candCount];
for (var i = 0; i < candCount; i++)
{
dwOffsets[i] = Marshal.ReadInt32(candlistPtr + ((i + 6) * sizeof(int)));
}
var pageStart = candlist.PageStart;
var cand = new string[pageSize];
this.ImmCand.Clear();
for (var i = 0; i < pageSize; i++)
{
var offStart = dwOffsets[i + pageStart];
var offEnd = i + pageStart + 1 < candCount ? dwOffsets[i + pageStart + 1] : size;
var pStrStart = candlistPtr + (int)offStart;
var pStrEnd = candlistPtr + (int)offEnd;
var len = (int)(pStrEnd.ToInt64() - pStrStart.ToInt64());
if (len > 0)
{
var candBytes = new byte[len];
Marshal.Copy(pStrStart, candBytes, 0, len);
var candStr = Encoding.Unicode.GetString(candBytes);
cand[i] = candStr;
this.ImmCand.Add(candStr);
}
}
Marshal.FreeHGlobal(candlistPtr);
}
}
/// <summary>
/// Processes window messages.
/// </summary>
/// <param name="hWnd">Handle of the window.</param>
/// <param name="msg">Type of window message.</param>
/// <param name="wParam">wParam.</param>
/// <param name="lParam">lParam.</param>
/// <param name="wParamPtr">wParam or the pointer to it.</param>
/// <param name="lParamPtr">lParam or the pointer to it.</param>
/// <returns>Return value, if not doing further processing.</returns>
public unsafe IntPtr? ProcessWndProcW(IntPtr hWnd, User32.WindowMessage msg, void* wParam, void* lParam)
public unsafe IntPtr? ProcessWndProcW(IntPtr hWnd, User32.WindowMessage msg, void* wParamPtr, void* lParamPtr)
{
try
{
@ -74,6 +132,18 @@ namespace Dalamud.Game.Gui.Internal
{
var io = ImGui.GetIO();
var wmsg = (WindowsMessage)msg;
long wParam = (long)wParamPtr, lParam = (long)lParamPtr;
try
{
wParam = Marshal.ReadInt32((IntPtr)wParamPtr);
}
catch { }
try
{
lParam = Marshal.ReadInt32((IntPtr)lParamPtr);
}
catch { }
switch (wmsg)
{
@ -82,73 +152,18 @@ namespace Dalamud.Game.Gui.Internal
{
case IMECommand.ChangeCandidate:
this.ToggleWindow(true);
if (hWnd == IntPtr.Zero)
return IntPtr.Zero;
var hIMC = ImmGetContext(hWnd);
if (hIMC == IntPtr.Zero)
return IntPtr.Zero;
var size = ImmGetCandidateListW(hIMC, 0, IntPtr.Zero, 0);
if (size == 0)
break;
var candlistPtr = Marshal.AllocHGlobal((int)size);
size = ImmGetCandidateListW(hIMC, 0, candlistPtr, (uint)size);
var candlist = this.ImmCandNative = Marshal.PtrToStructure<CandidateList>(candlistPtr);
var pageSize = candlist.PageSize;
var candCount = candlist.Count;
if (pageSize > 0 && candCount > 1)
{
var dwOffsets = new int[candCount];
for (var i = 0; i < candCount; i++)
{
dwOffsets[i] = Marshal.ReadInt32(candlistPtr + ((i + 6) * sizeof(int)));
}
var pageStart = candlist.PageStart;
var cand = new string[pageSize];
this.ImmCand.Clear();
for (var i = 0; i < pageSize; i++)
{
var offStart = dwOffsets[i + pageStart];
var offEnd = i + pageStart + 1 < candCount ? dwOffsets[i + pageStart + 1] : size;
var pStrStart = candlistPtr + (int)offStart;
var pStrEnd = candlistPtr + (int)offEnd;
var len = (int)(pStrEnd.ToInt64() - pStrStart.ToInt64());
if (len > 0)
{
var candBytes = new byte[len];
Marshal.Copy(pStrStart, candBytes, 0, len);
var candStr = Encoding.Unicode.GetString(candBytes);
cand[i] = candStr;
this.ImmCand.Add(candStr);
}
}
Marshal.FreeHGlobal(candlistPtr);
}
this.LoadCand(hWnd);
break;
case IMECommand.OpenCandidate:
this.ToggleWindow(true);
this.ImmCandNative = default;
this.ImmCand.Clear();
// this.ImmCand.Clear();
break;
case IMECommand.CloseCandidate:
this.ToggleWindow(false);
this.ImmCandNative = default;
this.ImmCand.Clear();
// this.ImmCand.Clear();
break;
default:
@ -157,6 +172,33 @@ namespace Dalamud.Game.Gui.Internal
break;
case WindowsMessage.WM_IME_COMPOSITION:
if (((long)(IMEComposition.CompStr | IMEComposition.CompAttr | IMEComposition.CompClause |
IMEComposition.CompReadAttr | IMEComposition.CompReadClause | IMEComposition.CompReadStr) & (long)(IntPtr)lParam) > 0)
{
var hIMC = ImmGetContext(hWnd);
if (hIMC == IntPtr.Zero)
return IntPtr.Zero;
var dwSize = ImmGetCompositionStringW(hIMC, IMEComposition.CompStr, IntPtr.Zero, 0);
var unmanagedPointer = Marshal.AllocHGlobal((int)dwSize);
ImmGetCompositionStringW(hIMC, IMEComposition.CompStr, unmanagedPointer, (uint)dwSize);
var bytes = new byte[dwSize];
Marshal.Copy(unmanagedPointer, bytes, 0, (int)dwSize);
Marshal.FreeHGlobal(unmanagedPointer);
var lpstr = Encoding.Unicode.GetString(bytes);
this.ImmComp = lpstr;
if (lpstr == string.Empty)
{
this.ToggleWindow(false);
}
else
{
this.LoadCand(hWnd);
}
}
if (((long)(IntPtr)lParam & (long)IMEComposition.ResultStr) > 0)
{
var hIMC = ImmGetContext(hWnd);
@ -180,27 +222,6 @@ namespace Dalamud.Game.Gui.Internal
this.ToggleWindow(false);
}
if (((long)(IMEComposition.CompStr | IMEComposition.CompAttr | IMEComposition.CompClause |
IMEComposition.CompReadAttr | IMEComposition.CompReadClause | IMEComposition.CompReadStr) & (long)(IntPtr)lParam) > 0)
{
var hIMC = ImmGetContext(hWnd);
if (hIMC == IntPtr.Zero)
return IntPtr.Zero;
var dwSize = ImmGetCompositionStringW(hIMC, IMEComposition.CompStr, IntPtr.Zero, 0);
var unmanagedPointer = Marshal.AllocHGlobal((int)dwSize);
ImmGetCompositionStringW(hIMC, IMEComposition.CompStr, unmanagedPointer, (uint)dwSize);
var bytes = new byte[dwSize];
Marshal.Copy(unmanagedPointer, bytes, 0, (int)dwSize);
Marshal.FreeHGlobal(unmanagedPointer);
var lpstr = Encoding.Unicode.GetString(bytes);
this.ImmComp = lpstr;
if (lpstr == string.Empty)
this.ToggleWindow(false);
}
break;
default: