[reactos] 02/03: [CONSRV] Miscellaneous console fixes for CJK support and screenbuffer iteration. (#2278)
22 Feb
2020
22 Feb
'20
6:46 p.m.
https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d46e0543685d31140d8d3…
commit d46e0543685d31140d8d3d223cd6f5714755491d
Author: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sun Feb 9 22:22:52 2020 +0100
Commit: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Sat Feb 22 19:50:17 2020 +0100
[CONSRV] Miscellaneous console fixes for CJK support and screenbuffer iteration.
(#2278)
+ popup.c!DrawBox(): Factor out setting the attribute value.
---
win32ss/user/winsrv/consrv/condrv/text.c | 800 ++++++++++++------------
win32ss/user/winsrv/consrv/frontends/terminal.c | 244 ++++++--
win32ss/user/winsrv/consrv/include/conio.h | 5 +
win32ss/user/winsrv/consrv/popup.c | 2 +-
4 files changed, 590 insertions(+), 461 deletions(-)
diff --git a/win32ss/user/winsrv/consrv/condrv/text.c
b/win32ss/user/winsrv/consrv/condrv/text.c
index 0d20b94ab94..6f52d8c41c5 100644
--- a/win32ss/user/winsrv/consrv/condrv/text.c
+++ b/win32ss/user/winsrv/consrv/condrv/text.c
@@ -14,8 +14,6 @@
#define NDEBUG
#include <debug.h>
-#define COMMON_LEAD_TRAIL (COMMON_LVB_LEADING_BYTE | COMMON_LVB_TRAILING_BYTE)
-
/* GLOBALS ********************************************************************/
/*
@@ -109,8 +107,8 @@ TEXTMODE_BUFFER_Initialize(OUT PCONSOLE_SCREEN_BUFFER* Buffer,
NewBuffer->CursorInfo.bVisible = (TextModeInfo->IsCursorVisible &&
(TextModeInfo->CursorSize != 0));
NewBuffer->CursorInfo.dwSize = min(max(TextModeInfo->CursorSize, 0), 100);
- NewBuffer->ScreenDefaultAttrib = TextModeInfo->ScreenAttrib;
- NewBuffer->PopupDefaultAttrib = TextModeInfo->PopupAttrib;
+ NewBuffer->ScreenDefaultAttrib = (TextModeInfo->ScreenAttrib &
~COMMON_LVB_SBCSDBCS);
+ NewBuffer->PopupDefaultAttrib = (TextModeInfo->PopupAttrib &
~COMMON_LVB_SBCSDBCS);
/* Initialize buffer to be empty with default attributes */
for (NewBuffer->CursorPosition.Y = 0 ; NewBuffer->CursorPosition.Y <
NewBuffer->ScreenBufferSize.Y; NewBuffer->CursorPosition.Y++)
@@ -197,12 +195,14 @@ ConioMoveRegion(PTEXTMODE_SCREEN_BUFFER ScreenBuffer,
PSMALL_RECT ClipRegion,
CHAR_INFO FillChar)
{
- int Width = ConioRectWidth(SrcRegion);
- int Height = ConioRectHeight(SrcRegion);
- int SX, SY;
- int DX, DY;
- int XDelta, YDelta;
- int i, j;
+ UINT Width = ConioRectWidth(SrcRegion);
+ UINT Height = ConioRectHeight(SrcRegion);
+ INT SXOrg, SX, SY;
+ INT DXOrg, DX, DY;
+ INT XDelta, YDelta;
+ UINT i, j;
+ CHAR_INFO Cell;
+ PCHAR_INFO SRow, DRow;
SY = SrcRegion->Top;
DY = DstRegion->Top;
@@ -214,24 +214,31 @@ ConioMoveRegion(PTEXTMODE_SCREEN_BUFFER ScreenBuffer,
DY = DstRegion->Bottom;
YDelta = -1;
}
+
+ SXOrg = SrcRegion->Left;
+ DXOrg = DstRegion->Left;
+ XDelta = 1;
+ if (SXOrg < DXOrg)
+ {
+ /* Moving right: work from right to left */
+ SXOrg = SrcRegion->Right;
+ DXOrg = DstRegion->Right;
+ XDelta = -1;
+ }
+
for (i = 0; i < Height; i++)
{
- PCHAR_INFO SRow = ConioCoordToPointer(ScreenBuffer, 0, SY);
- PCHAR_INFO DRow = ConioCoordToPointer(ScreenBuffer, 0, DY);
+ SRow = ConioCoordToPointer(ScreenBuffer, 0, SY);
+ DRow = ConioCoordToPointer(ScreenBuffer, 0, DY);
+
+ SX = SXOrg;
+ DX = DXOrg;
+
+ // TODO: Correctly support "moving" full-width characters.
- SX = SrcRegion->Left;
- DX = DstRegion->Left;
- XDelta = 1;
- if (SX < DX)
- {
- /* Moving right: work from right to left */
- SX = SrcRegion->Right;
- DX = DstRegion->Right;
- XDelta = -1;
- }
for (j = 0; j < Width; j++)
{
- CHAR_INFO Cell = SRow[SX];
+ Cell = SRow[SX];
if (SX >= ClipRegion->Left && SX <= ClipRegion->Right
&&
SY >= ClipRegion->Top && SY <= ClipRegion->Bottom)
{
@@ -265,14 +272,18 @@ ConioResizeBuffer(PCONSOLE Console,
COORD Size)
{
PCHAR_INFO Buffer;
- DWORD Offset = 0;
- PCHAR_INFO ptr;
+ PCHAR_INFO Ptr;
+ ULONG_PTR Offset = 0;
WORD CurrentAttribute;
USHORT CurrentY;
PCHAR_INFO OldBuffer;
DWORD i;
DWORD diff;
+ /* Zero size is invalid */
+ if (Size.X == 0 || Size.Y == 0)
+ return STATUS_INVALID_PARAMETER;
+
/* Buffer size is not allowed to be smaller than the view size */
if (Size.X < ScreenBuffer->ViewSize.X || Size.Y <
ScreenBuffer->ViewSize.Y)
return STATUS_INVALID_PARAMETER;
@@ -298,36 +309,48 @@ ConioResizeBuffer(PCONSOLE Console,
if (!Buffer) return STATUS_NO_MEMORY;
DPRINT("Resizing (%d,%d) to (%d,%d)\n",
ScreenBuffer->ScreenBufferSize.X, ScreenBuffer->ScreenBufferSize.Y, Size.X,
Size.Y);
+
OldBuffer = ScreenBuffer->Buffer;
for (CurrentY = 0; CurrentY < ScreenBuffer->ScreenBufferSize.Y &&
CurrentY < Size.Y; CurrentY++)
{
- ptr = ConioCoordToPointer(ScreenBuffer, 0, CurrentY);
+ Ptr = ConioCoordToPointer(ScreenBuffer, 0, CurrentY);
+
if (Size.X <= ScreenBuffer->ScreenBufferSize.X)
{
/* Reduce size */
- RtlCopyMemory(Buffer + Offset, ptr, Size.X * sizeof(CHAR_INFO));
+ RtlCopyMemory(Buffer + Offset, Ptr, Size.X * sizeof(CHAR_INFO));
Offset += Size.X;
+
+ /* If we have cut a trailing full-width character in half, remove it
completely */
+ Ptr = Buffer + Offset - 1;
+ if (Ptr->Attributes & COMMON_LVB_LEADING_BYTE)
+ {
+ Ptr->Char.UnicodeChar = L' ';
+ /* Keep all the other original attributes intact */
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ }
}
else
{
/* Enlarge size */
- RtlCopyMemory(Buffer + Offset, ptr, ScreenBuffer->ScreenBufferSize.X *
sizeof(CHAR_INFO));
+ RtlCopyMemory(Buffer + Offset, Ptr, ScreenBuffer->ScreenBufferSize.X *
sizeof(CHAR_INFO));
Offset += ScreenBuffer->ScreenBufferSize.X;
/* The attribute to be used is the one of the last cell of the current line
*/
CurrentAttribute = ConioCoordToPointer(ScreenBuffer,
ScreenBuffer->ScreenBufferSize.X -
1,
CurrentY)->Attributes;
+ CurrentAttribute &= ~COMMON_LVB_SBCSDBCS;
diff = Size.X - ScreenBuffer->ScreenBufferSize.X;
/* Zero-out the new part of the buffer */
for (i = 0; i < diff; i++)
{
- ptr = Buffer + Offset;
- ptr->Char.UnicodeChar = L' ';
- ptr->Attributes = CurrentAttribute;
+ Ptr = Buffer + Offset;
+ Ptr->Char.UnicodeChar = L' ';
+ Ptr->Attributes = CurrentAttribute;
++Offset;
}
}
@@ -340,9 +363,9 @@ ConioResizeBuffer(PCONSOLE Console,
/* Zero-out the new part of the buffer */
for (i = 0; i < diff; i++)
{
- ptr = Buffer + Offset;
- ptr->Char.UnicodeChar = L' ';
- ptr->Attributes = ScreenBuffer->ScreenDefaultAttrib;
+ Ptr = Buffer + Offset;
+ Ptr->Char.UnicodeChar = L' ';
+ Ptr->Attributes = ScreenBuffer->ScreenDefaultAttrib;
++Offset;
}
}
@@ -391,7 +414,7 @@ ConDrvChangeScreenBufferAttributes(IN PCONSOLE Console,
IN USHORT NewScreenAttrib,
IN USHORT NewPopupAttrib)
{
- ULONG X, Y, Length;
+ USHORT X, Y;
PCHAR_INFO Ptr;
COORD TopLeft = {0};
@@ -406,50 +429,42 @@ ConDrvChangeScreenBufferAttributes(IN PCONSOLE Console,
/* Validity check */
ASSERT(Console == Buffer->Header.Console);
+ /* Sanitize the new attributes */
+ NewScreenAttrib &= ~COMMON_LVB_SBCSDBCS;
+ NewPopupAttrib &= ~COMMON_LVB_SBCSDBCS;
+
NumCodesToWrite = Buffer->ScreenBufferSize.X * Buffer->ScreenBufferSize.Y;
OldScreenAttrib = Buffer->ScreenDefaultAttrib;
OldPopupAttrib = Buffer->PopupDefaultAttrib;
- X = TopLeft.X;
- Y = (TopLeft.Y + Buffer->VirtualY) % Buffer->ScreenBufferSize.Y;
- Length = NumCodesToWrite;
-
- while (Length--)
+ for (Y = 0; Y < Buffer->ScreenBufferSize.Y; ++Y)
{
- Ptr = ConioCoordToPointer(Buffer, X, Y);
-
- /*
- * Change the current colors only if they are the old ones.
- */
-
- /* Foreground color */
- if ((Ptr->Attributes & 0x0F) == (OldScreenAttrib & 0x0F))
- Ptr->Attributes = (Ptr->Attributes & 0xFFF0) | (NewScreenAttrib
& 0x0F);
- if ((Ptr->Attributes & 0x0F) == (OldPopupAttrib & 0x0F))
- Ptr->Attributes = (Ptr->Attributes & 0xFFF0) | (NewPopupAttrib
& 0x0F);
-
- /* Background color */
- if ((Ptr->Attributes & 0xF0) == (OldScreenAttrib & 0xF0))
- Ptr->Attributes = (Ptr->Attributes & 0xFF0F) | (NewScreenAttrib
& 0xF0);
- if ((Ptr->Attributes & 0xF0) == (OldPopupAttrib & 0xF0))
- Ptr->Attributes = (Ptr->Attributes & 0xFF0F) | (NewPopupAttrib
& 0xF0);
-
- // ++Ptr;
-
- if (++X == Buffer->ScreenBufferSize.X)
+ Ptr = ConioCoordToPointer(Buffer, 0, Y);
+ for (X = 0; X < Buffer->ScreenBufferSize.X; ++X)
{
- X = 0;
+ /*
+ * Change the current colors only if they are the old ones.
+ */
+
+ /* Foreground color */
+ if ((Ptr->Attributes & 0x0F) == (OldScreenAttrib & 0x0F))
+ Ptr->Attributes = (Ptr->Attributes & 0xFFF0) | (NewScreenAttrib
& 0x0F);
+ if ((Ptr->Attributes & 0x0F) == (OldPopupAttrib & 0x0F))
+ Ptr->Attributes = (Ptr->Attributes & 0xFFF0) | (NewPopupAttrib
& 0x0F);
+
+ /* Background color */
+ if ((Ptr->Attributes & 0xF0) == (OldScreenAttrib & 0xF0))
+ Ptr->Attributes = (Ptr->Attributes & 0xFF0F) | (NewScreenAttrib
& 0xF0);
+ if ((Ptr->Attributes & 0xF0) == (OldPopupAttrib & 0xF0))
+ Ptr->Attributes = (Ptr->Attributes & 0xFF0F) | (NewPopupAttrib
& 0xF0);
- if (++Y == Buffer->ScreenBufferSize.Y)
- {
- Y = 0;
- }
+ ++Ptr;
}
}
- /* Save foreground and background colors for both screen and popup */
- Buffer->ScreenDefaultAttrib = (NewScreenAttrib & 0x00FF);
- Buffer->PopupDefaultAttrib = (NewPopupAttrib & 0x00FF);
+ /* Save foreground and background attributes for both screen and popup */
+ Buffer->ScreenDefaultAttrib = NewScreenAttrib;
+ Buffer->PopupDefaultAttrib = NewPopupAttrib;
/* Refresh the display if needed */
if ((PCONSOLE_SCREEN_BUFFER)Buffer == Console->ActiveBuffer)
@@ -492,7 +507,7 @@ ConDrvReadConsoleOutput(IN PCONSOLE Console,
ConioInitRect(&ScreenBuffer, 0, 0,
Buffer->ScreenBufferSize.Y - 1,
Buffer->ScreenBufferSize.X - 1);
- if (!ConioGetIntersection(&CapturedReadRegion, &ScreenBuffer,
&CapturedReadRegion))
+ if (!ConioGetIntersection(&CapturedReadRegion, &CapturedReadRegion,
&ScreenBuffer))
{
/*
* It is okay to have a ReadRegion completely outside
@@ -518,7 +533,12 @@ ConDrvReadConsoleOutput(IN PCONSOLE Console,
WideCharToMultiByte(Console->OutputCodePage, 0,
&Ptr->Char.UnicodeChar, 1,
&CurCharInfo->Char.AsciiChar, 1, NULL, NULL);
}
- CurCharInfo->Attributes = (Ptr->Attributes & ~COMMON_LEAD_TRAIL);
+#if (_WIN32_WINNT < _WIN32_WINNT_WIN8)
+ /* NOTE: Windows < 8 compatibility: DBCS flags are filtered out */
+ CurCharInfo->Attributes = (Ptr->Attributes &
~COMMON_LVB_SBCSDBCS);
+#else
+ CurCharInfo->Attributes = Ptr->Attributes;
+#endif
++Ptr;
++CurCharInfo;
}
@@ -556,7 +576,7 @@ ConDrvWriteConsoleOutput(IN PCONSOLE Console,
ConioInitRect(&ScreenBuffer, 0, 0,
Buffer->ScreenBufferSize.Y - 1,
Buffer->ScreenBufferSize.X - 1);
- if (!ConioGetIntersection(&CapturedWriteRegion, &ScreenBuffer,
&CapturedWriteRegion))
+ if (!ConioGetIntersection(&CapturedWriteRegion, &CapturedWriteRegion,
&ScreenBuffer))
{
/*
* It is okay to have a WriteRegion completely outside
@@ -580,6 +600,7 @@ ConDrvWriteConsoleOutput(IN PCONSOLE Console,
{
ConsoleOutputAnsiToUnicodeChar(Console, &Ptr->Char.UnicodeChar,
&CurCharInfo->Char.AsciiChar);
}
+ // TODO: Sanitize DBCS attributes?
Ptr->Attributes = CurCharInfo->Attributes;
++Ptr;
++CurCharInfo;
@@ -625,7 +646,7 @@ ConDrvWriteConsoleOutputVDM(IN PCONSOLE Console,
ConioInitRect(&ScreenBuffer, 0, 0,
Buffer->ScreenBufferSize.Y - 1,
Buffer->ScreenBufferSize.X - 1);
- if (!ConioGetIntersection(&CapturedWriteRegion, &ScreenBuffer,
&CapturedWriteRegion))
+ if (!ConioGetIntersection(&CapturedWriteRegion, &CapturedWriteRegion,
&ScreenBuffer))
{
/*
* It is okay to have a WriteRegion completely outside
@@ -687,7 +708,7 @@ ConDrvWriteConsole(IN PCONSOLE Console,
(PCHAR)StringBuffer,
NumCharsToWrite,
NULL, 0);
- Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, Length * sizeof(WCHAR));
+ Buffer = ConsoleAllocHeap(0, Length * sizeof(WCHAR));
if (Buffer)
{
MultiByteToWideChar(Console->OutputCodePage, 0,
@@ -717,7 +738,7 @@ ConDrvWriteConsole(IN PCONSOLE Console,
}
}
- if (!Unicode) RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
+ if (!Unicode) ConsoleFreeHeap(Buffer);
}
if (NumCharsWritten) *NumCharsWritten = Written;
@@ -725,113 +746,67 @@ ConDrvWriteConsole(IN PCONSOLE Console,
return Status;
}
-NTSTATUS FASTCALL
-IntReadConsoleOutputStringAscii(IN PCONSOLE Console,
- IN PTEXTMODE_SCREEN_BUFFER Buffer,
- OUT PVOID StringBuffer,
- IN ULONG NumCodesToRead,
- IN PCOORD ReadCoord,
- OUT PULONG NumCodesRead OPTIONAL)
+static NTSTATUS
+IntReadConsoleOutputStringChars(
+ IN PCONSOLE Console,
+ IN PTEXTMODE_SCREEN_BUFFER Buffer,
+ OUT PVOID StringBuffer,
+ IN BOOLEAN Unicode,
+ IN ULONG NumCodesToRead,
+ IN PCOORD ReadCoord,
+ OUT PULONG NumCodesRead OPTIONAL)
{
- ULONG CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, AsciiChar);
+ ULONG CodeSize;
LPBYTE ReadBuffer = StringBuffer;
- SHORT Xpos = ReadCoord->X;
- SHORT Ypos = (ReadCoord->Y + Buffer->VirtualY) %
Buffer->ScreenBufferSize.Y;
- ULONG i;
+ SHORT X, Y;
+ SHORT XStart = ReadCoord->X;
+ ULONG nNumChars = 0;
PCHAR_INFO Ptr;
BOOLEAN bCJK = Console->IsCJK;
- for (i = 0; i < NumCodesToRead; ++i)
- {
- Ptr = ConioCoordToPointer(Buffer, Xpos, Ypos);
-
- ConsoleOutputUnicodeToAnsiChar(Console, (PCHAR)ReadBuffer,
&Ptr->Char.UnicodeChar);
- ReadBuffer += CodeSize;
+ CodeSize = (Unicode ? RTL_FIELD_SIZE(CODE_ELEMENT, UnicodeChar)
+ : RTL_FIELD_SIZE(CODE_ELEMENT, AsciiChar));
- Xpos++;
- if (Xpos == Buffer->ScreenBufferSize.X)
+ for (Y = ReadCoord->Y; Y < Buffer->ScreenBufferSize.Y; ++Y)
+ {
+ Ptr = ConioCoordToPointer(Buffer, XStart, Y);
+ for (X = XStart; X < Buffer->ScreenBufferSize.X; ++X)
{
- Xpos = 0;
- Ypos++;
- if (Ypos == Buffer->ScreenBufferSize.Y)
+ if (nNumChars >= NumCodesToRead)
+ goto Quit;
+
+ /*
+ * For Chinese, Japanese and Korean.
+ * For full-width characters: copy only the character specified
+ * in the leading-byte cell, skipping the trailing-byte cell.
+ */
+ if (bCJK && (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE))
{
- Ypos = 0;
+ /*
+ * Windows "compensates" for the fact this is a full-width
+ * character by reducing the amount of characters to be read.
+ * The understanding being that the specified amount of
+ * characters is also in "units" of (half-width) cells.
+ */
+ if (NumCodesToRead > 0) --NumCodesToRead;
+ ++Ptr;
+ continue;
}
- }
- /* For Chinese, Japanese and Korean */
- if (bCJK && (Ptr->Attributes & COMMON_LVB_LEADING_BYTE))
- {
- Xpos++;
- if (Xpos == Buffer->ScreenBufferSize.X)
- {
- Xpos = 0;
- Ypos++;
- if (Ypos == Buffer->ScreenBufferSize.Y)
- {
- Ypos = 0;
- }
- }
- ++i;
- }
- }
-
- if (NumCodesRead)
- *NumCodesRead = i;
-
- return STATUS_SUCCESS;
-}
-
-NTSTATUS FASTCALL
-IntReadConsoleOutputStringUnicode(IN PCONSOLE Console,
- IN PTEXTMODE_SCREEN_BUFFER Buffer,
- OUT PVOID StringBuffer,
- IN ULONG NumCodesToRead,
- IN PCOORD ReadCoord,
- OUT PULONG NumCodesRead OPTIONAL)
-{
- ULONG CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, UnicodeChar);
- LPBYTE ReadBuffer = StringBuffer;
- SHORT Xpos = ReadCoord->X;
- SHORT Ypos = (ReadCoord->Y + Buffer->VirtualY) %
Buffer->ScreenBufferSize.Y;
- ULONG i, nNumChars = 0;
- PCHAR_INFO Ptr;
- BOOLEAN bCJK = Console->IsCJK;
-
- for (i = 0; i < NumCodesToRead; ++i, ++nNumChars)
- {
- Ptr = ConioCoordToPointer(Buffer, Xpos, Ypos);
-
- *(PWCHAR)ReadBuffer = Ptr->Char.UnicodeChar;
- ReadBuffer += CodeSize;
+ if (Unicode)
+ *(PWCHAR)ReadBuffer = Ptr->Char.UnicodeChar;
+ else
+ ConsoleOutputUnicodeToAnsiChar(Console, (PCHAR)ReadBuffer,
&Ptr->Char.UnicodeChar);
- Xpos++;
- if (Xpos == Buffer->ScreenBufferSize.X)
- {
- Xpos = 0;
- Ypos++;
- if (Ypos == Buffer->ScreenBufferSize.Y)
- {
- Ypos = 0;
- }
- }
+ ++Ptr;
- /* For Chinese, Japanese and Korean */
- if (bCJK && (Ptr->Attributes & COMMON_LVB_LEADING_BYTE))
- {
- Xpos++;
- if (Xpos == Buffer->ScreenBufferSize.X)
- {
- Xpos = 0;
- Ypos++;
- if (Ypos == Buffer->ScreenBufferSize.Y)
- {
- Ypos = 0;
- }
- }
- ++i;
+ ReadBuffer += CodeSize;
+ ++nNumChars;
}
+ /* Restart at the beginning of the next line */
+ XStart = 0;
}
+Quit:
if (NumCodesRead)
*NumCodesRead = nNumChars;
@@ -839,60 +814,54 @@ IntReadConsoleOutputStringUnicode(IN PCONSOLE Console,
return STATUS_SUCCESS;
}
-NTSTATUS FASTCALL
-IntReadConsoleOutputStringAttributes(IN PCONSOLE Console,
- IN PTEXTMODE_SCREEN_BUFFER Buffer,
- OUT PVOID StringBuffer,
- IN ULONG NumCodesToRead,
- IN PCOORD ReadCoord,
- OUT PULONG NumCodesRead OPTIONAL)
+static NTSTATUS
+IntReadConsoleOutputStringAttributes(
+ IN PCONSOLE Console,
+ IN PTEXTMODE_SCREEN_BUFFER Buffer,
+ OUT PWORD StringBuffer,
+ IN ULONG NumCodesToRead,
+ IN PCOORD ReadCoord,
+ OUT PULONG NumCodesRead OPTIONAL)
{
- ULONG CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, Attribute);
- LPBYTE ReadBuffer = StringBuffer;
- SHORT Xpos = ReadCoord->X;
- SHORT Ypos = (ReadCoord->Y + Buffer->VirtualY) %
Buffer->ScreenBufferSize.Y;
- ULONG i;
+ SHORT X, Y;
+ SHORT XStart = ReadCoord->X;
+ ULONG nNumChars = 0;
PCHAR_INFO Ptr;
- for (i = 0; i < NumCodesToRead; ++i)
+ for (Y = ReadCoord->Y; Y < Buffer->ScreenBufferSize.Y; ++Y)
{
- Ptr = ConioCoordToPointer(Buffer, Xpos, Ypos);
+ Ptr = ConioCoordToPointer(Buffer, XStart, Y);
+ for (X = XStart; X < Buffer->ScreenBufferSize.X; ++X)
+ {
+ if (nNumChars >= NumCodesToRead)
+ goto Quit;
- *(PWORD)ReadBuffer = Ptr->Attributes;
- ReadBuffer += CodeSize;
+ *StringBuffer = Ptr->Attributes;
+ ++Ptr;
- Xpos++;
- if (Xpos == Buffer->ScreenBufferSize.X)
- {
- Xpos = 0;
- Ypos++;
- if (Ypos == Buffer->ScreenBufferSize.Y)
- {
- Ypos = 0;
- }
+ ++StringBuffer;
+ ++nNumChars;
}
+ /* Restart at the beginning of the next line */
+ XStart = 0;
}
-
- if (Xpos > 0 && Console->IsCJK)
- {
- ReadBuffer -= CodeSize;
- *(PWORD)ReadBuffer &= ~COMMON_LVB_LEADING_BYTE;
- }
+Quit:
if (NumCodesRead)
- *NumCodesRead = NumCodesToRead;
+ *NumCodesRead = nNumChars;
return STATUS_SUCCESS;
}
NTSTATUS NTAPI
-ConDrvReadConsoleOutputString(IN PCONSOLE Console,
- IN PTEXTMODE_SCREEN_BUFFER Buffer,
- IN CODE_TYPE CodeType,
- OUT PVOID StringBuffer,
- IN ULONG NumCodesToRead,
- IN PCOORD ReadCoord,
- OUT PULONG NumCodesRead OPTIONAL)
+ConDrvReadConsoleOutputString(
+ IN PCONSOLE Console,
+ IN PTEXTMODE_SCREEN_BUFFER Buffer,
+ IN CODE_TYPE CodeType,
+ OUT PVOID StringBuffer,
+ IN ULONG NumCodesToRead,
+ IN PCOORD ReadCoord,
+ OUT PULONG NumCodesRead OPTIONAL)
{
if (Console == NULL || Buffer == NULL || ReadCoord == NULL /* || EndCoord == NULL
*/)
{
@@ -906,31 +875,52 @@ ConDrvReadConsoleOutputString(IN PCONSOLE Console,
if (NumCodesRead)
*NumCodesRead = 0;
+ if (!StringBuffer || (NumCodesToRead == 0))
+ return STATUS_SUCCESS; // Nothing to do!
+
+ /* Do nothing if the reading starting point is outside of the screen buffer */
+ if ( ReadCoord->X < 0 || ReadCoord->X >= Buffer->ScreenBufferSize.X
||
+ ReadCoord->Y < 0 || ReadCoord->Y >= Buffer->ScreenBufferSize.Y )
+ {
+ return STATUS_SUCCESS;
+ }
+
+ NumCodesToRead = min(NumCodesToRead, (ULONG)Buffer->ScreenBufferSize.X *
Buffer->ScreenBufferSize.Y);
+
switch (CodeType)
{
case CODE_ASCII:
- return IntReadConsoleOutputStringAscii(Console,
+ {
+ return IntReadConsoleOutputStringChars(Console,
Buffer,
StringBuffer,
+ FALSE,
NumCodesToRead,
ReadCoord,
NumCodesRead);
+ }
case CODE_UNICODE:
- return IntReadConsoleOutputStringUnicode(Console,
- Buffer,
- StringBuffer,
- NumCodesToRead,
- ReadCoord,
- NumCodesRead);
+ {
+ return IntReadConsoleOutputStringChars(Console,
+ Buffer,
+ StringBuffer,
+ TRUE,
+ NumCodesToRead,
+ ReadCoord,
+ NumCodesRead);
+ }
case CODE_ATTRIBUTE:
+ {
+ C_ASSERT(RTL_FIELD_SIZE(CODE_ELEMENT, Attribute) == sizeof(WORD));
return IntReadConsoleOutputStringAttributes(Console,
Buffer,
- StringBuffer,
+ (PWORD)StringBuffer,
NumCodesToRead,
ReadCoord,
NumCodesRead);
+ }
default:
return STATUS_INVALID_PARAMETER;
@@ -938,133 +928,106 @@ ConDrvReadConsoleOutputString(IN PCONSOLE Console,
}
static NTSTATUS
-IntWriteConsoleOutputStringUnicode(
+IntWriteConsoleOutputStringChars(
IN PCONSOLE Console,
IN PTEXTMODE_SCREEN_BUFFER Buffer,
IN PVOID StringBuffer,
+ IN BOOLEAN Unicode,
IN ULONG NumCodesToWrite,
IN PCOORD WriteCoord,
OUT PULONG NumCodesWritten OPTIONAL)
{
NTSTATUS Status = STATUS_SUCCESS;
- PWCHAR WriteBuffer = StringBuffer;
- ULONG i, X, Y, Length;
+ PWCHAR WriteBuffer = NULL;
+ PWCHAR tmpString = NULL;
+ ULONG Length;
+ SHORT X, Y;
+ SHORT XStart = WriteCoord->X;
+ ULONG nNumChars = 0;
PCHAR_INFO Ptr;
BOOLEAN bCJK = Console->IsCJK;
- if (!StringBuffer)
- goto Cleanup;
-
- X = WriteCoord->X;
- Y = (WriteCoord->Y + Buffer->VirtualY) % Buffer->ScreenBufferSize.Y;
- Length = NumCodesToWrite;
-
- for (i = 0; i < Length; ++i)
+ /* Convert the string to UNICODE */
+ if (Unicode)
{
- Ptr = ConioCoordToPointer(Buffer, X, Y);
-
- Ptr->Char.UnicodeChar = *WriteBuffer;
- ++WriteBuffer;
-
- ++X;
- if (X == Buffer->ScreenBufferSize.X)
+ WriteBuffer = StringBuffer;
+ }
+ else
+ {
+ /* Convert the ASCII string into Unicode before writing it to the console */
+ Length = MultiByteToWideChar(Console->OutputCodePage, 0,
+ (PCHAR)StringBuffer,
+ NumCodesToWrite,
+ NULL, 0);
+ tmpString = ConsoleAllocHeap(0, Length * sizeof(WCHAR));
+ if (!tmpString)
{
- X = 0;
- ++Y;
- if (Y == Buffer->ScreenBufferSize.Y)
- {
- Y = 0;
- }
+ Status = STATUS_NO_MEMORY;
+ goto Quit;
}
- /* For Chinese, Japanese and Korean */
- if (bCJK && Ptr->Char.UnicodeChar >= 0x80 &&
- mk_wcwidth_cjk(Ptr->Char.UnicodeChar) == 2)
+ MultiByteToWideChar(Console->OutputCodePage, 0,
+ (PCHAR)StringBuffer,
+ NumCodesToWrite,
+ tmpString, Length);
+
+ NumCodesToWrite = Length;
+ WriteBuffer = tmpString;
+ }
+
+ for (Y = WriteCoord->Y; Y < Buffer->ScreenBufferSize.Y; ++Y)
+ {
+ Ptr = ConioCoordToPointer(Buffer, XStart, Y);
+ for (X = XStart; X < Buffer->ScreenBufferSize.X; ++X)
{
- /* A full-width character cannot cross a line boundary */
- if (X == Buffer->ScreenBufferSize.X - 1)
+ if (nNumChars >= NumCodesToWrite)
+ goto Quit;
+
+ /* For Chinese, Japanese and Korean */
+ if (bCJK && IS_FULL_WIDTH(*WriteBuffer))
{
- /* go to next line */
- X = 0;
- ++Y;
- if (Y == Buffer->ScreenBufferSize.Y)
+ /* A full-width character cannot cross a line boundary */
+ if (X >= Buffer->ScreenBufferSize.X - 1)
{
- Y = 0;
+ /* Go to next line */
+ break; // Break the X-loop only.
}
- Ptr = ConioCoordToPointer(Buffer, X, Y);
- }
- /* the leading byte */
- Ptr->Attributes = Buffer->ScreenDefaultAttrib;
- Ptr->Attributes |= COMMON_LVB_LEADING_BYTE;
- ++i;
+ /* Set the leading byte */
+ Ptr->Char.UnicodeChar = *WriteBuffer;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= COMMON_LVB_LEADING_BYTE;
+ ++Ptr;
- /* the trailing byte */
- Ptr = ConioCoordToPointer(Buffer, X, Y);
- Ptr->Attributes = Buffer->ScreenDefaultAttrib;
- Ptr->Attributes |= COMMON_LVB_TRAILING_BYTE;
-
- ++X;
- if (X == Buffer->ScreenBufferSize.X)
+ /* Set the trailing byte */
+ Ptr->Char.UnicodeChar = L' ';
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= COMMON_LVB_TRAILING_BYTE;
+ }
+ else
{
- X = 0;
- ++Y;
- if (Y == Buffer->ScreenBufferSize.Y)
- {
- Y = 0;
- }
+ Ptr->Char.UnicodeChar = *WriteBuffer;
}
- }
- }
-Cleanup:
- if (NumCodesWritten)
- *NumCodesWritten = NumCodesToWrite;
- return Status;
-}
+ ++Ptr;
-static NTSTATUS
-IntWriteConsoleOutputStringAscii(
- IN PCONSOLE Console,
- IN PTEXTMODE_SCREEN_BUFFER Buffer,
- IN PVOID StringBuffer,
- IN ULONG NumCodesToWrite,
- IN PCOORD WriteCoord,
- OUT PULONG NumCodesWritten OPTIONAL)
-{
- NTSTATUS Status;
- PWCHAR tmpString;
- ULONG Length;
+ ++WriteBuffer;
+ ++nNumChars;
+ }
+ /* Restart at the beginning of the next line */
+ XStart = 0;
+ }
+Quit:
- if (!StringBuffer)
+ if (tmpString)
{
- if (NumCodesWritten)
- *NumCodesWritten = NumCodesToWrite;
-
- return STATUS_SUCCESS;
+ ASSERT(!Unicode);
+ ConsoleFreeHeap(tmpString);
}
- /* Convert the ASCII string into Unicode before writing it to the console */
- Length = MultiByteToWideChar(Console->OutputCodePage, 0,
- StringBuffer,
- NumCodesToWrite,
- NULL, 0);
- tmpString = ConsoleAllocHeap(0, Length * sizeof(WCHAR));
- if (!tmpString)
- return STATUS_NO_MEMORY;
-
- MultiByteToWideChar(Console->OutputCodePage, 0,
- StringBuffer,
- NumCodesToWrite,
- tmpString, Length);
-
- Status = IntWriteConsoleOutputStringUnicode(Console,
- Buffer,
- tmpString,
- Length,
- WriteCoord,
- NumCodesWritten);
- ConsoleFreeHeap(tmpString);
+ if (NumCodesWritten)
+ *NumCodesWritten = nNumChars;
+
return Status;
}
@@ -1072,46 +1035,41 @@ static NTSTATUS
IntWriteConsoleOutputStringAttribute(
IN PCONSOLE Console,
IN PTEXTMODE_SCREEN_BUFFER Buffer,
- IN PVOID StringBuffer,
+ IN PWORD StringBuffer,
IN ULONG NumCodesToWrite,
IN PCOORD WriteCoord,
OUT PULONG NumCodesWritten OPTIONAL)
{
- NTSTATUS Status = STATUS_SUCCESS;
- PWORD WriteBuffer = StringBuffer;
- ULONG i, X, Y, Length;
+ SHORT X, Y;
+ SHORT XStart = WriteCoord->X;
+ ULONG nNumChars = 0;
PCHAR_INFO Ptr;
- if (!StringBuffer)
- goto Cleanup;
-
- X = WriteCoord->X;
- Y = (WriteCoord->Y + Buffer->VirtualY) % Buffer->ScreenBufferSize.Y;
- Length = NumCodesToWrite;
-
- for (i = 0; i < Length; ++i)
+ for (Y = WriteCoord->Y; Y < Buffer->ScreenBufferSize.Y; ++Y)
{
- Ptr = ConioCoordToPointer(Buffer, X, Y);
+ Ptr = ConioCoordToPointer(Buffer, XStart, Y);
+ for (X = XStart; X < Buffer->ScreenBufferSize.X; ++X)
+ {
+ if (nNumChars >= NumCodesToWrite)
+ goto Quit;
- Ptr->Attributes = (*WriteBuffer & ~COMMON_LEAD_TRAIL);
- ++WriteBuffer;
+ Ptr->Attributes &= COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= (*StringBuffer & ~COMMON_LVB_SBCSDBCS);
- ++X;
- if (X == Buffer->ScreenBufferSize.X)
- {
- X = 0;
- ++Y;
- if (Y == Buffer->ScreenBufferSize.Y)
- {
- Y = 0;
- }
+ ++Ptr;
+
+ ++StringBuffer;
+ ++nNumChars;
}
+ /* Restart at the beginning of the next line */
+ XStart = 0;
}
+Quit:
-Cleanup:
if (NumCodesWritten)
- *NumCodesWritten = NumCodesToWrite;
- return Status;
+ *NumCodesWritten = nNumChars;
+
+ return STATUS_SUCCESS;
}
NTSTATUS NTAPI
@@ -1125,7 +1083,6 @@ ConDrvWriteConsoleOutputString(
OUT PULONG NumCodesWritten OPTIONAL)
{
NTSTATUS Status;
- SMALL_RECT UpdateRect;
if (Console == NULL || Buffer == NULL || WriteCoord == NULL /* || EndCoord == NULL
*/)
{
@@ -1139,30 +1096,65 @@ ConDrvWriteConsoleOutputString(
if (NumCodesWritten)
*NumCodesWritten = 0;
+ if (!StringBuffer || (NumCodesToWrite == 0))
+ return STATUS_SUCCESS; // Nothing to do!
+
+ /* Do nothing if the writing starting point is outside of the screen buffer */
+ if ( WriteCoord->X < 0 || WriteCoord->X >= Buffer->ScreenBufferSize.X
||
+ WriteCoord->Y < 0 || WriteCoord->Y >= Buffer->ScreenBufferSize.Y
)
+ {
+ return STATUS_SUCCESS;
+ }
+
+ NumCodesToWrite = min(NumCodesToWrite, (ULONG)Buffer->ScreenBufferSize.X *
Buffer->ScreenBufferSize.Y);
+
switch (CodeType)
{
case CODE_ASCII:
- Status = IntWriteConsoleOutputStringAscii(
- Console, Buffer, StringBuffer, NumCodesToWrite, WriteCoord,
NumCodesWritten);
+ {
+ C_ASSERT(RTL_FIELD_SIZE(CODE_ELEMENT, AsciiChar) == sizeof(CHAR));
+ Status = IntWriteConsoleOutputStringChars(Console,
+ Buffer,
+ StringBuffer,
+ FALSE,
+ NumCodesToWrite,
+ WriteCoord,
+ NumCodesWritten);
break;
+ }
case CODE_UNICODE:
- Status = IntWriteConsoleOutputStringUnicode(
- Console, Buffer, StringBuffer, NumCodesToWrite, WriteCoord,
NumCodesWritten);
+ {
+ C_ASSERT(RTL_FIELD_SIZE(CODE_ELEMENT, UnicodeChar) == sizeof(WCHAR));
+ Status = IntWriteConsoleOutputStringChars(Console,
+ Buffer,
+ StringBuffer,
+ TRUE,
+ NumCodesToWrite,
+ WriteCoord,
+ NumCodesWritten);
break;
+ }
case CODE_ATTRIBUTE:
- Status = IntWriteConsoleOutputStringAttribute(
- Console, Buffer, StringBuffer, NumCodesToWrite, WriteCoord,
NumCodesWritten);
+ {
+ C_ASSERT(RTL_FIELD_SIZE(CODE_ELEMENT, Attribute) == sizeof(WORD));
+ Status = IntWriteConsoleOutputStringAttribute(Console,
+ Buffer,
+ (PWORD)StringBuffer,
+ NumCodesToWrite,
+ WriteCoord,
+ NumCodesWritten);
break;
+ }
default:
- Status = STATUS_INVALID_PARAMETER;
- break;
+ return STATUS_INVALID_PARAMETER;
}
if ((PCONSOLE_SCREEN_BUFFER)Buffer == Console->ActiveBuffer)
{
+ SMALL_RECT UpdateRect;
ConioComputeUpdateRect(Buffer, &UpdateRect, WriteCoord, NumCodesToWrite);
TermDrawRegion(Console, &UpdateRect);
}
@@ -1179,7 +1171,9 @@ ConDrvFillConsoleOutput(IN PCONSOLE Console,
IN PCOORD WriteCoord,
OUT PULONG NumCodesWritten OPTIONAL)
{
- ULONG X, Y, i;
+ SHORT X, Y;
+ SHORT XStart;
+ ULONG nNumChars = 0;
PCHAR_INFO Ptr;
BOOLEAN bLead, bFullwidth;
@@ -1191,11 +1185,20 @@ ConDrvFillConsoleOutput(IN PCONSOLE Console,
/* Validity check */
ASSERT(Console == Buffer->Header.Console);
- //
- // FIXME: Make overflow checks on WriteCoord !!!!!!
- //
+ if (NumCodesWritten)
+ *NumCodesWritten = 0;
+
+ if (NumCodesToWrite == 0)
+ return STATUS_SUCCESS; // Nothing to do!
+
+ /* Do nothing if the writing starting point is outside of the screen buffer */
+ if ( WriteCoord->X < 0 || WriteCoord->X >= Buffer->ScreenBufferSize.X
||
+ WriteCoord->Y < 0 || WriteCoord->Y >= Buffer->ScreenBufferSize.Y
)
+ {
+ return STATUS_SUCCESS;
+ }
- if (NumCodesWritten) *NumCodesWritten = 0;
+ NumCodesToWrite = min(NumCodesToWrite, (ULONG)Buffer->ScreenBufferSize.X *
Buffer->ScreenBufferSize.Y);
if (CodeType == CODE_ASCII)
{
@@ -1205,85 +1208,86 @@ ConDrvFillConsoleOutput(IN PCONSOLE Console,
Code = tmp;
}
- X = WriteCoord->X;
- Y = (WriteCoord->Y + Buffer->VirtualY) % Buffer->ScreenBufferSize.Y;
- // Ptr = ConioCoordToPointer(Buffer, X, Y); // Doesn't work
- // Ptr = &Buffer->Buffer[X + Y * Buffer->ScreenBufferSize.X]; // May work
+ XStart = WriteCoord->X;
/* For Chinese, Japanese and Korean */
+ X = XStart;
+ Y = WriteCoord->Y;
bLead = TRUE;
bFullwidth = FALSE;
if (Console->IsCJK)
{
- bFullwidth = (mk_wcwidth_cjk(Code.UnicodeChar) == 2);
+ bFullwidth = IS_FULL_WIDTH(Code.UnicodeChar);
if (X > 0)
{
Ptr = ConioCoordToPointer(Buffer, X - 1, Y);
if (Ptr->Attributes & COMMON_LVB_LEADING_BYTE)
{
Ptr->Char.UnicodeChar = L' ';
- Ptr->Attributes &= ~COMMON_LVB_LEADING_BYTE;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
}
}
}
- for (i = 0; i < NumCodesToWrite; ++i)
+ for (Y = WriteCoord->Y; Y < Buffer->ScreenBufferSize.Y; ++Y)
{
- Ptr = ConioCoordToPointer(Buffer, X, Y);
-
- switch (CodeType)
+ Ptr = ConioCoordToPointer(Buffer, XStart, Y);
+ for (X = XStart; X < Buffer->ScreenBufferSize.X; ++X)
{
- case CODE_ASCII:
- case CODE_UNICODE:
- Ptr->Char.UnicodeChar = Code.UnicodeChar;
- Ptr->Attributes &= ~COMMON_LEAD_TRAIL;
- if (bFullwidth)
- {
- if (bLead)
- Ptr->Attributes |= COMMON_LVB_LEADING_BYTE;
- else
- Ptr->Attributes |= COMMON_LVB_TRAILING_BYTE;
- }
- break;
+ if (nNumChars >= NumCodesToWrite)
+ goto Quit;
- case CODE_ATTRIBUTE:
- Ptr->Attributes &= ~COMMON_LEAD_TRAIL;
- Ptr->Attributes |= (Code.Attribute & ~COMMON_LEAD_TRAIL);
- break;
- }
-
- ++X;
- if (X == Buffer->ScreenBufferSize.X)
- {
- X = 0;
- ++Y;
- if (Y == Buffer->ScreenBufferSize.Y)
+ switch (CodeType)
{
- Y = 0;
+ case CODE_ASCII:
+ case CODE_UNICODE:
+ Ptr->Char.UnicodeChar = Code.UnicodeChar;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ if (bFullwidth)
+ {
+ if (bLead)
+ Ptr->Attributes |= COMMON_LVB_LEADING_BYTE;
+ else
+ Ptr->Attributes |= COMMON_LVB_TRAILING_BYTE;
+ }
+ bLead = !bLead;
+ break;
+
+ case CODE_ATTRIBUTE:
+ Ptr->Attributes &= COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= (Code.Attribute & ~COMMON_LVB_SBCSDBCS);
+ break;
}
- }
- bLead = !bLead;
+ ++Ptr;
+
+ ++nNumChars;
+ }
+ /* Restart at the beginning of the next line */
+ XStart = 0;
}
+Quit:
- if ((NumCodesToWrite & 1) & bFullwidth)
+ if ((nNumChars & 1) & bFullwidth)
{
if (X + Y * Buffer->ScreenBufferSize.X > 0)
{
Ptr = ConioCoordToPointer(Buffer, X - 1, Y);
Ptr->Char.UnicodeChar = L' ';
- Ptr->Attributes &= ~COMMON_LEAD_TRAIL;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
}
}
+ if (NumCodesWritten)
+ *NumCodesWritten = nNumChars;
+
if ((PCONSOLE_SCREEN_BUFFER)Buffer == Console->ActiveBuffer)
{
SMALL_RECT UpdateRect;
- ConioComputeUpdateRect(Buffer, &UpdateRect, WriteCoord, NumCodesToWrite);
+ ConioComputeUpdateRect(Buffer, &UpdateRect, WriteCoord, nNumChars);
TermDrawRegion(Console, &UpdateRect);
}
- if (NumCodesWritten) *NumCodesWritten = NumCodesToWrite; // Written;
return STATUS_SUCCESS;
}
@@ -1338,7 +1342,7 @@ ConDrvSetConsoleTextAttribute(IN PCONSOLE Console,
/* Validity check */
ASSERT(Console == Buffer->Header.Console);
- Buffer->ScreenDefaultAttrib = Attributes;
+ Buffer->ScreenDefaultAttrib = (Attributes & ~COMMON_LVB_SBCSDBCS);
return STATUS_SUCCESS;
}
@@ -1393,7 +1397,7 @@ ConDrvScrollConsoleScreenBuffer(IN PCONSOLE Console,
ConioInitRect(&ScreenBuffer, 0, 0,
Buffer->ScreenBufferSize.Y - 1,
Buffer->ScreenBufferSize.X - 1);
- if (!ConioGetIntersection(&SrcRegion, &ScreenBuffer, ScrollRectangle))
+ if (!ConioGetIntersection(&SrcRegion, ScrollRectangle, &ScreenBuffer))
{
return STATUS_SUCCESS;
}
@@ -1433,6 +1437,8 @@ ConDrvScrollConsoleScreenBuffer(IN PCONSOLE Console,
ConsoleOutputAnsiToUnicodeChar(Console, &tmp, &FillChar.Char.AsciiChar);
FillChar.Char.UnicodeChar = tmp;
}
+ /* Sanitize the attribute */
+ FillChar.Attributes &= ~COMMON_LVB_SBCSDBCS;
ConioMoveRegion(Buffer, &SrcRegion, &DstRegion, &CapturedClipRectangle,
FillChar);
diff --git a/win32ss/user/winsrv/consrv/frontends/terminal.c
b/win32ss/user/winsrv/consrv/frontends/terminal.c
index e6f048215a3..4d20af2a32e 100644
--- a/win32ss/user/winsrv/consrv/frontends/terminal.c
+++ b/win32ss/user/winsrv/consrv/frontends/terminal.c
@@ -510,13 +510,18 @@ ConioWriteConsole(PFRONTEND FrontEnd,
SMALL_RECT UpdateRect;
SHORT CursorStartX, CursorStartY;
UINT ScrolledLines;
- BOOL bCJK = Console->IsCJK;
+ BOOLEAN bFullwidth;
+ BOOLEAN bCJK = Console->IsCJK;
+
+ /* If nothing to write, bail out now */
+ if (Length == 0)
+ return STATUS_SUCCESS;
CursorStartX = Buff->CursorPosition.X;
CursorStartY = Buff->CursorPosition.Y;
UpdateRect.Left = Buff->ScreenBufferSize.X;
- UpdateRect.Top = Buff->CursorPosition.Y;
- UpdateRect.Right = -1;
+ UpdateRect.Top = Buff->CursorPosition.Y;
+ UpdateRect.Right = -1;
UpdateRect.Bottom = Buff->CursorPosition.Y;
ScrolledLines = 0;
@@ -532,28 +537,58 @@ ConioWriteConsole(PFRONTEND FrontEnd,
if (Buffer[i] == L'\r')
{
Buff->CursorPosition.X = 0;
- UpdateRect.Left = min(UpdateRect.Left, Buff->CursorPosition.X);
+ CursorStartX = Buff->CursorPosition.X;
+ UpdateRect.Left = min(UpdateRect.Left , Buff->CursorPosition.X);
UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X);
continue;
}
/* --- LF --- */
else if (Buffer[i] == L'\n')
{
- Buff->CursorPosition.X = 0;
+ Buff->CursorPosition.X = 0; // TODO: Make this behaviour optional!
+ CursorStartX = Buff->CursorPosition.X;
ConioNextLine(Buff, &UpdateRect, &ScrolledLines);
continue;
}
/* --- BS --- */
else if (Buffer[i] == L'\b')
{
- /* Only handle BS if we're not on the first pos of the first line */
- if (0 != Buff->CursorPosition.X || 0 != Buff->CursorPosition.Y)
+ /* Only handle BS if we are not on the first position of the first line
*/
+ if (Buff->CursorPosition.X == 0 && Buff->CursorPosition.Y
== 0)
+ continue;
+
+ if (Buff->CursorPosition.X == 0)
+ {
+ /* Slide virtual position up */
+ Buff->CursorPosition.X = Buff->ScreenBufferSize.X - 1;
+ Buff->CursorPosition.Y--;
+ // TODO? : Update CursorStartY = Buff->CursorPosition.Y;
+ UpdateRect.Top = min(UpdateRect.Top, Buff->CursorPosition.Y);
+ }
+ else
{
- if (0 == Buff->CursorPosition.X)
+ Buff->CursorPosition.X--;
+ }
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+
+ if (Ptr->Attributes & COMMON_LVB_LEADING_BYTE)
+ {
+ /*
+ * The cursor just moved on the leading byte of the same
+ * current character. We should go one position before to
+ * go to the actual previous character to erase.
+ */
+
+ /* Only handle BS if we are not on the first position of the first
line */
+ if (Buff->CursorPosition.X == 0 &&
Buff->CursorPosition.Y == 0)
+ continue;
+
+ if (Buff->CursorPosition.X == 0)
{
- /* slide virtual position up */
+ /* Slide virtual position up */
Buff->CursorPosition.X = Buff->ScreenBufferSize.X - 1;
Buff->CursorPosition.Y--;
+ // TODO? : Update CursorStartY = Buff->CursorPosition.Y;
UpdateRect.Top = min(UpdateRect.Top, Buff->CursorPosition.Y);
}
else
@@ -561,22 +596,31 @@ ConioWriteConsole(PFRONTEND FrontEnd,
Buff->CursorPosition.X--;
}
Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
- Ptr->Char.UnicodeChar = L' ';
+ }
- if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
- {
- /* Delete a full-width character */
- Ptr->Attributes = Buff->ScreenDefaultAttrib;
- if (Buff->CursorPosition.X > 0)
- Buff->CursorPosition.X--;
- Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
- Ptr->Char.UnicodeChar = L' ';
- }
+ if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
+ {
+ /* The cursor is on the trailing byte of a full-width character */
- Ptr->Attributes = Buff->ScreenDefaultAttrib;
- UpdateRect.Left = min(UpdateRect.Left, Buff->CursorPosition.X);
- UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X);
+ /* Delete its trailing byte... */
+ Ptr->Char.UnicodeChar = L' ';
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+
+ if (Buff->CursorPosition.X > 0)
+ Buff->CursorPosition.X--;
+ /* ... and now its leading byte */
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
}
+
+ Ptr->Char.UnicodeChar = L' ';
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+
+ UpdateRect.Left = min(UpdateRect.Left , Buff->CursorPosition.X);
+ UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X);
continue;
}
/* --- TAB --- */
@@ -584,28 +628,60 @@ ConioWriteConsole(PFRONTEND FrontEnd,
{
UINT EndX;
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+
+ if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
+ {
+ /*
+ * The cursor is on the trailing byte of a full-width character.
+ * Go back one position to be on its leading byte.
+ */
+ if (Buff->CursorPosition.X > 0)
+ Buff->CursorPosition.X--;
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+ }
+
UpdateRect.Left = min(UpdateRect.Left, Buff->CursorPosition.X);
+
EndX = (Buff->CursorPosition.X + TAB_WIDTH) & ~(TAB_WIDTH - 1);
EndX = min(EndX, (UINT)Buff->ScreenBufferSize.X);
- Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+
while ((UINT)Buff->CursorPosition.X < EndX)
{
Ptr->Char.UnicodeChar = L' ';
- Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+
++Ptr;
Buff->CursorPosition.X++;
}
- UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X - 1);
- if (Buff->CursorPosition.X == Buff->ScreenBufferSize.X)
+ if (Buff->CursorPosition.X < Buff->ScreenBufferSize.X)
+ {
+ /* If the following cell is the trailing byte of a full-width
character, reset it */
+ if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
+ {
+ Ptr->Char.UnicodeChar = L' ';
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ }
+ }
+ UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X);
+
+ if (Buff->CursorPosition.X >= Buff->ScreenBufferSize.X)
{
if (Buff->Mode & ENABLE_WRAP_AT_EOL_OUTPUT)
{
+ /* Wrapping mode: Go to next line */
Buff->CursorPosition.X = 0;
+ CursorStartX = Buff->CursorPosition.X;
ConioNextLine(Buff, &UpdateRect, &ScrolledLines);
}
else
{
- Buff->CursorPosition.X--;
+ /* The cursor wraps back to its starting position on the same
line */
+ Buff->CursorPosition.X = CursorStartX;
}
}
continue;
@@ -617,87 +693,129 @@ ConioWriteConsole(PFRONTEND FrontEnd,
continue;
}
}
- UpdateRect.Left = min(UpdateRect.Left, Buff->CursorPosition.X);
+ UpdateRect.Left = min(UpdateRect.Left , Buff->CursorPosition.X);
UpdateRect.Right = max(UpdateRect.Right, Buff->CursorPosition.X);
/* For Chinese, Japanese and Korean */
- if (bCJK && Buffer[i] >= 0x80 && mk_wcwidth_cjk(Buffer[i]) ==
2)
- {
- /* Buffer[i] is a fullwidth character */
+ bFullwidth = (bCJK && IS_FULL_WIDTH(Buffer[i]));
- if (Buff->CursorPosition.X > 0)
- {
- /* Kill the previous leading byte */
- Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X - 1,
Buff->CursorPosition.Y);
- if (Ptr->Attributes & COMMON_LVB_LEADING_BYTE)
- {
- Ptr->Char.UnicodeChar = L' ';
- if (Attrib)
- Ptr->Attributes &= ~COMMON_LVB_LEADING_BYTE;
- }
- }
-
- if (Buff->CursorPosition.X == Buff->ScreenBufferSize.X - 1)
+ /* Check whether we can insert the full-width character */
+ if (bFullwidth)
+ {
+ /* It spans two cells and should all fit on the current line */
+ if (Buff->CursorPosition.X >= Buff->ScreenBufferSize.X - 1)
{
- /* New line */
if (Buff->Mode & ENABLE_WRAP_AT_EOL_OUTPUT)
{
+ /* Wrapping mode: Go to next line */
Buff->CursorPosition.X = 0;
+ CursorStartX = Buff->CursorPosition.X;
ConioNextLine(Buff, &UpdateRect, &ScrolledLines);
}
else
{
+ /* The cursor wraps back to its starting position on the same line
*/
Buff->CursorPosition.X = CursorStartX;
}
}
- /* Set leading */
+ /*
+ * Now be sure we can fit the full-width character.
+ * If the screenbuffer is one cell wide we cannot display
+ * the full-width character, so just skip it.
+ */
+ if (Buff->CursorPosition.X >= Buff->ScreenBufferSize.X - 1)
+ {
+ DPRINT1("Cannot display full-width character! CursorPosition.X = %d,
ScreenBufferSize.X = %d\n",
+ Buff->CursorPosition.X, Buff->ScreenBufferSize.X);
+ continue;
+ }
+ }
+
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+
+ /*
+ * Check whether we are overwriting part of a full-width character,
+ * in which case we need to invalidate it.
+ */
+ if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
+ {
+ /*
+ * The cursor is on the trailing byte of a full-width character.
+ * Go back one position to kill the previous leading byte.
+ */
+ if (Buff->CursorPosition.X > 0)
+ {
+ Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X - 1,
Buff->CursorPosition.Y);
+ Ptr->Char.UnicodeChar = L' ';
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ }
Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+ }
+
+ /* Insert the character */
+ if (bFullwidth)
+ {
+ ASSERT(Buff->CursorPosition.X < Buff->ScreenBufferSize.X - 1);
+
+ /* Set the leading byte */
Ptr->Char.UnicodeChar = Buffer[i];
if (Attrib)
- Ptr->Attributes = Buff->ScreenDefaultAttrib |
COMMON_LVB_LEADING_BYTE;
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= COMMON_LVB_LEADING_BYTE;
- /* Set trailing */
+ /* Set the trailing byte */
Buff->CursorPosition.X++;
Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
+ // Ptr->Char.UnicodeChar = Buffer[i]; // L' ';
if (Attrib)
- Ptr->Attributes = Buff->ScreenDefaultAttrib |
COMMON_LVB_TRAILING_BYTE;
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ Ptr->Attributes |= COMMON_LVB_TRAILING_BYTE;
}
else
{
- Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
Ptr->Char.UnicodeChar = Buffer[i];
if (Attrib)
Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
}
+ ++Ptr;
Buff->CursorPosition.X++;
- if (Buff->CursorPosition.X == Buff->ScreenBufferSize.X)
+
+ if (Buff->CursorPosition.X < Buff->ScreenBufferSize.X)
+ {
+ /* If the following cell is the trailing byte of a full-width character,
reset it */
+ if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
+ {
+ Ptr->Char.UnicodeChar = L' ';
+ if (Attrib)
+ Ptr->Attributes = Buff->ScreenDefaultAttrib;
+ Ptr->Attributes &= ~COMMON_LVB_SBCSDBCS;
+ }
+ }
+
+ if (Buff->CursorPosition.X >= Buff->ScreenBufferSize.X)
{
if (Buff->Mode & ENABLE_WRAP_AT_EOL_OUTPUT)
{
+ /* Wrapping mode: Go to next line */
Buff->CursorPosition.X = 0;
+ CursorStartX = Buff->CursorPosition.X;
ConioNextLine(Buff, &UpdateRect, &ScrolledLines);
}
else
{
+ /* The cursor wraps back to its starting position on the same line */
Buff->CursorPosition.X = CursorStartX;
}
}
}
- if (bCJK && Buff->CursorPosition.X > 0)
- {
- /* Delete trailing */
- Ptr = ConioCoordToPointer(Buff, Buff->CursorPosition.X,
Buff->CursorPosition.Y);
- if (Ptr->Attributes & COMMON_LVB_TRAILING_BYTE)
- {
- Ptr->Char.UnicodeChar = L' ';
- if (Attrib)
- Ptr->Attributes = Buff->ScreenDefaultAttrib;
- }
- }
-
if (!ConioIsRectEmpty(&UpdateRect) && (PCONSOLE_SCREEN_BUFFER)Buff ==
Console->ActiveBuffer)
{
// TermWriteStream(Console, &UpdateRect, CursorStartX, CursorStartY,
diff --git a/win32ss/user/winsrv/consrv/include/conio.h
b/win32ss/user/winsrv/consrv/include/conio.h
index ad1b226020d..87f22a77a67 100644
--- a/win32ss/user/winsrv/consrv/include/conio.h
+++ b/win32ss/user/winsrv/consrv/include/conio.h
@@ -372,4 +372,9 @@ NTSTATUS ConioResizeBuffer(PCONSOLE /*PCONSRV_CONSOLE*/ Console,
/* wcwidth.c */
int mk_wcwidth_cjk(wchar_t ucs);
+// NOTE: The check against 0x80 is to avoid calling the helper function
+// for characters that we already know are not full-width.
+#define IS_FULL_WIDTH(wch) \
+ (((USHORT)(wch) >= 0x0080) && (mk_wcwidth_cjk(wch) == 2))
+
/* EOF */
diff --git a/win32ss/user/winsrv/consrv/popup.c b/win32ss/user/winsrv/consrv/popup.c
index 46d3af57268..665813f3ff2 100644
--- a/win32ss/user/winsrv/consrv/popup.c
+++ b/win32ss/user/winsrv/consrv/popup.c
@@ -58,9 +58,9 @@ DrawBox(PTEXTMODE_SCREEN_BUFFER Buffer,
/* Set screen attributes */
coPos.X = xLeft;
+ Code.Attribute = Buffer->PopupDefaultAttrib;
for (coPos.Y = yTop; coPos.Y < yTop + Height; coPos.Y++)
{
- Code.Attribute = Buffer->PopupDefaultAttrib;
ConDrvFillConsoleOutput(Buffer->Header.Console,
Buffer,
CODE_ATTRIBUTE,
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Hermès Bélusca-Maïto