+++ /dev/null
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: mouse.c
- * PURPOSE: Mouse emulation
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- */
-
-/* INCLUDES *******************************************************************/
-
-#define NDEBUG
-
-#include "mouse.h"
-#include "ps2.h"
-// #include "pic.h"
-
-/* PRIVATE VARIABLES **********************************************************/
-
-static MOUSE_MODE Mode, PreviousMode;
-static COORD Position;
-static ULONG WidthMm, HeightMm, WidthPixels, HeightPixels;
-static ULONG SampleRate;
-static ULONG Resolution;
-static BOOLEAN Scaling;
-static BOOLEAN Reporting;
-static BYTE MouseId;
-static ULONG ButtonState;
-static SHORT HorzCounter;
-static SHORT VertCounter;
-static CHAR ScrollCounter;
-
-static BYTE PS2Port = 1;
-
-/* PRIVATE FUNCTIONS **********************************************************/
-
-static VOID MouseResetConfig(VOID)
-{
- /* Reset the configuration to defaults */
- SampleRate = 100;
- Resolution = 4;
- Scaling = FALSE;
- Reporting = FALSE;
-}
-
-static VOID MouseResetCounters(VOID)
-{
- /* Reset all flags and counters */
- ButtonState = HorzCounter = VertCounter = ScrollCounter = 0;
-}
-
-static VOID MouseReset(VOID)
-{
- /* Reset everything */
- MouseResetConfig();
- MouseResetCounters();
-
- /* Enter streaming mode and the reset the mouse ID */
- Mode = MOUSE_STREAMING_MODE;
- MouseId = 0;
-
- /* Send the Basic Assurance Test success code and the device ID */
- PS2QueuePush(PS2Port, MOUSE_BAT_SUCCESS);
- PS2QueuePush(PS2Port, MouseId);
-}
-
-#if 0
-static VOID MouseGetPacket(PMOUSE_PACKET Packet)
-{
- /* Clear the packet */
- RtlZeroMemory(Packet, sizeof(*Packet));
-
- Packet->Flags |= MOUSE_ALWAYS_SET;
-
- /* Check for horizontal overflows */
- if ((HorzCounter < MOUSE_MIN) || (HorzCounter > MOUSE_MAX))
- {
- if (HorzCounter > MOUSE_MAX) HorzCounter = MOUSE_MAX;
- if (HorzCounter < MOUSE_MIN) HorzCounter = MOUSE_MIN;
-
- Packet->Flags |= MOUSE_X_OVERFLOW;
- }
-
- /* Check for vertical overflows */
- if ((VertCounter < MOUSE_MIN) || (VertCounter > MOUSE_MAX))
- {
- if (VertCounter > MOUSE_MIN) VertCounter = MOUSE_MIN;
- if (VertCounter < MOUSE_MIN) VertCounter = MOUSE_MIN;
-
- Packet->Flags |= MOUSE_Y_OVERFLOW;
- }
-
- /* Set the sign flags */
- if (HorzCounter & MOUSE_SIGN_BIT) Packet->Flags |= MOUSE_X_SIGN;
- if (HorzCounter & MOUSE_SIGN_BIT) Packet->Flags |= MOUSE_Y_SIGN;
-
- /* Set the button flags */
- if (ButtonState & FROM_LEFT_1ST_BUTTON_PRESSED) Packet->Flags |= MOUSE_LEFT_BUTTON;
- if (ButtonState & FROM_LEFT_2ND_BUTTON_PRESSED) Packet->Flags |= MOUSE_MIDDLE_BUTTON;
- if (ButtonState & RIGHTMOST_BUTTON_PRESSED) Packet->Flags |= MOUSE_RIGHT_BUTTON;
-
- if (MouseId == 4)
- {
- if (ButtonState & FROM_LEFT_3RD_BUTTON_PRESSED) Packet->Extra |= MOUSE_4TH_BUTTON;
- if (ButtonState & FROM_LEFT_4TH_BUTTON_PRESSED) Packet->Extra |= MOUSE_5TH_BUTTON;
- }
-
- if (MouseId >= 3)
- {
- /* Set the scroll counter */
- Packet->Extra |= (UCHAR)ScrollCounter & 0x0F;
- }
-
- /* Store the counters in the packet */
- Packet->HorzCounter = LOBYTE(HorzCounter);
- Packet->VertCounter = LOBYTE(VertCounter);
-
- /* Reset the counters */
- MouseResetCounters();
-}
-#endif
-
-/*static*/ VOID MouseUpdatePosition(PCOORD NewPosition)
-{
- /* Update the counters */
- HorzCounter += ((NewPosition->X - Position.X) * WidthMm * Resolution) / WidthPixels;
- VertCounter += ((NewPosition->Y - Position.Y) * HeightMm * Resolution) / HeightPixels;
-
- /* Update the position */
- Position = *NewPosition;
-}
-
-/*static*/ VOID MouseUpdateButtons(ULONG NewButtonState)
-{
- ButtonState = NewButtonState;
-}
-
-/*static*/ VOID MouseScroll(LONG Direction)
-{
- ScrollCounter += Direction;
-}
-
-/*static*/ COORD MouseGetPosition(VOID)
-{
- return Position;
-}
-
-static VOID WINAPI MouseCommand(LPVOID Param, BYTE Command)
-{
- switch (Command)
- {
- /* Set 1:1 Scaling */
- case 0xE6:
- {
- Scaling = FALSE;
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Set 2:1 Scaling */
- case 0xE7:
- {
- Scaling = TRUE;
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Set Resolution */
- case 0xE8:
- {
- // TODO: NOT IMPLEMENTED
- UNIMPLEMENTED;
- break;
- }
-
- /* Read Status */
- case 0xE9:
- {
- // TODO: NOT IMPLEMENTED
- UNIMPLEMENTED;
- break;
- }
-
- /* Enter Streaming Mode */
- case 0xEA:
- {
- MouseResetCounters();
- Mode = MOUSE_STREAMING_MODE;
-
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Read Packet */
- case 0xEB:
- {
- // TODO: NOT IMPLEMENTED
- UNIMPLEMENTED;
- break;
- }
-
- /* Return From Wrap Mode */
- case 0xEC:
- {
- if (Mode == MOUSE_WRAP_MODE)
- {
- /* Restore the previous mode */
- MouseResetCounters();
- Mode = PreviousMode;
- PS2QueuePush(PS2Port, MOUSE_ACK);
- }
- else PS2QueuePush(PS2Port, MOUSE_ERROR);
-
- break;
- }
-
- /* Enter Wrap Mode */
- case 0xEE:
- {
- if (Mode != MOUSE_WRAP_MODE)
- {
- /* Save the previous mode */
- PreviousMode = Mode;
- }
-
- MouseResetCounters();
- Mode = MOUSE_WRAP_MODE;
-
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Enter Remote Mode */
- case 0xF0:
- {
- MouseResetCounters();
- Mode = MOUSE_REMOTE_MODE;
-
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Get Mouse ID */
- case 0xF2:
- {
- PS2QueuePush(PS2Port, MOUSE_ACK);
- PS2QueuePush(PS2Port, MouseId);
- break;
- }
-
- /* Set Sample Rate */
- case 0xF3:
- {
- // TODO: NOT IMPLEMENTED
- UNIMPLEMENTED;
- break;
- }
-
- /* Enable Reporting */
- case 0xF4:
- {
- Reporting = TRUE;
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Disable Reporting */
- case 0xF5:
- {
- Reporting = FALSE;
- PS2QueuePush(PS2Port, MOUSE_ACK);
- break;
- }
-
- /* Set Defaults */
- case 0xF6:
- {
- /* Reset the configuration and counters */
- MouseResetConfig();
- MouseResetCounters();
- break;
- }
-
- /* Resend */
- case 0xFE:
- {
- // TODO: NOT IMPLEMENTED
- UNIMPLEMENTED;
- break;
- }
-
- /* Reset */
- case 0xFF:
- {
- MouseReset();
- break;
- }
-
- /* Unknown command */
- default:
- {
- PS2QueuePush(PS2Port, MOUSE_ERROR);
- }
- }
-}
-
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-VOID MouseEventHandler(PMOUSE_EVENT_RECORD MouseEvent)
-{
-extern COORD DosNewPosition;
-extern WORD DosButtonState;
-
- // FIXME: Sync our private data
- MouseUpdatePosition(&MouseEvent->dwMousePosition);
- MouseUpdateButtons(MouseEvent->dwButtonState);
-
- // HACK: Bypass PS/2 and instead, notify the MOUSE.COM driver directly
- DosNewPosition = MouseEvent->dwMousePosition;
- DosButtonState = LOWORD(MouseEvent->dwButtonState);
-
- // PS2QueuePush(PS2Port, Data);
-}
-
-BOOLEAN MouseInit(BYTE PS2Connector)
-{
- HWND hWnd;
- HDC hDC;
-
- /* Get the console window */
- hWnd = GetConsoleWindow();
- if (hWnd == NULL) return FALSE;
-
- /* Get the console window's device context */
- hDC = GetWindowDC(hWnd);
- if (hDC == NULL) return FALSE;
-
- /* Get the parameters */
- WidthMm = (ULONG)GetDeviceCaps(hDC, HORZSIZE);
- HeightMm = (ULONG)GetDeviceCaps(hDC, VERTSIZE);
- WidthPixels = (ULONG)GetDeviceCaps(hDC, HORZRES);
- HeightPixels = (ULONG)GetDeviceCaps(hDC, VERTRES);
-
- /* Release the device context */
- ReleaseDC(hWnd, hDC);
-
- /* Finish to plug the mouse to the specified PS/2 port */
- PS2Port = PS2Connector;
- PS2SetDeviceCmdProc(PS2Port, NULL, MouseCommand);
-
- MouseReset();
- return TRUE;
-}
projects / reactos.git / blobdiff