Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-04 08:15:41 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NTVDM]

Browse source 
Fix several mouse range-related issues.


svn path=/trunk/; revision=67220
This commit is contained in:
Aleksandar Andrejevic 2015-04-17 03:11:18 +00:00
parent e4a1abcc2a
commit a64a682051
1 changed files with 48 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

67
reactos/subsystems/mvdm/ntvdm/dos/mouse32.c
View file

@ -42,11 +42,19 @@ extern VOID WINAPI BiosMouseIrq(LPWORD Stack);
static VOID PaintMouseCursor(VOID)
{
COORD Position = DriverState.Position;
/* Apply the clipping rectangle */
if (Position.X < DriverState.MinX) Position.X = DriverState.MinX;
if (Position.X > DriverState.MaxX) Position.X = DriverState.MaxX;
if (Position.Y < DriverState.MinY) Position.Y = DriverState.MinY;
if (Position.Y > DriverState.MaxY) Position.Y = DriverState.MaxY;
if (Bda->VideoMode <= 3)
{
WORD Character;
WORD CellX = DriverState.Position.X / 8;
WORD CellY = DriverState.Position.Y / 8;
WORD CellX = Position.X / 8;
WORD CellY = Position.Y / 8;
DWORD VideoAddress = TO_LINEAR(TEXT_VIDEO_SEG, Bda->VideoPage * Bda->VideoPageSize);
EmulatorReadMemory(&EmulatorContext,
@ -74,10 +82,18 @@ static VOID PaintMouseCursor(VOID)
static VOID EraseMouseCursor(VOID)
{
COORD Position = DriverState.Position;
/* Apply the clipping rectangle */
if (Position.X < DriverState.MinX) Position.X = DriverState.MinX;
if (Position.X > DriverState.MaxX) Position.X = DriverState.MaxX;
if (Position.Y < DriverState.MinY) Position.Y = DriverState.MinY;
if (Position.Y > DriverState.MaxY) Position.Y = DriverState.MaxY;
if (Bda->VideoMode <= 3)
{
WORD CellX = DriverState.Position.X / 8;
WORD CellY = DriverState.Position.Y / 8;
WORD CellX = Position.X / 8;
WORD CellY = Position.Y / 8;
DWORD VideoAddress = TO_LINEAR(TEXT_VIDEO_SEG, Bda->VideoPage * Bda->VideoPageSize);
EmulatorWriteMemory(&EmulatorContext,
@ -121,8 +137,8 @@ static VOID FromMouseCoordinates(PCOORD Position)
Resolution.Y *= 8;
}
Position->X = (((Position->X - DriverState.MinX) * Resolution.X) / Width);
Position->Y = (((Position->Y - DriverState.MinY) * Resolution.Y) / Height);
Position->X = ((Position->X - DriverState.MinX) * Resolution.X) / Width;
Position->Y = ((Position->Y - DriverState.MinY) * Resolution.Y) / Height;
}
static VOID CallMouseUserHandlers(USHORT CallMask)
@ -231,13 +247,6 @@ static inline VOID DosUpdatePosition(PCOORD NewPosition)
if (DriverState.ShowCount > 0) EraseMouseCursor();
DriverState.Position = *NewPosition;
/* Apply the clipping rectangle */
if (DriverState.Position.X < DriverState.MinX) DriverState.Position.X = DriverState.MinX;
if (DriverState.Position.X > DriverState.MaxX) DriverState.Position.X = DriverState.MaxX;
if (DriverState.Position.Y < DriverState.MinY) DriverState.Position.Y = DriverState.MinY;
if (DriverState.Position.Y > DriverState.MaxY) DriverState.Position.Y = DriverState.MaxY;
if (DriverState.ShowCount > 0) PaintMouseCursor();
/* Call the mouse handlers */
@ -494,18 +503,38 @@ static VOID WINAPI DosMouseService(LPWORD Stack)
/* Define Horizontal Cursor Range */
case 0x07:
{
DPRINT("Setting mouse horizontal range: %u - %u\n", getCX(), getDX());
DriverState.MinX = getCX();
DriverState.MaxX = getDX();
WORD Min = getCX();
WORD Max = getDX();
if (!VgaGetDoubleVisionState(NULL, NULL))
{
/* Text mode */
Min &= ~0x07;
Max |= 0x07;
}
DPRINT("Setting mouse horizontal range: %u - %u\n", Min, Max);
DriverState.MinX = Min;
DriverState.MaxX = Max;
break;
}
/* Define Vertical Cursor Range */
case 0x08:
{
DPRINT("Setting mouse vertical range: %u - %u\n", getCX(), getDX());
DriverState.MinY = getCX();
DriverState.MaxY = getDX();
WORD Min = getCX();
WORD Max = getDX();
if (!VgaGetDoubleVisionState(NULL, NULL))
{
/* Text mode */
Min &= ~0x07;
Max |= 0x07;
}
DPRINT("Setting mouse vertical range: %u - %u\n", Min, Max);
DriverState.MinY = Min;
DriverState.MaxY = Max;
break;
}