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Use WH_MOUSE_LL hook instead of redirecting the mouse event handler.

This commit is contained in:
Alexandre Julliard 2001-10-18 21:30:46 +00:00
parent 8166d36756
commit 2fe081b730
1 changed files with 81 additions and 148 deletions
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197
dlls/dinput/mouse/main.c
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@ -11,18 +11,15 @@
# include <sys/errno.h> # include <sys/errno.h>
#endif #endif
#include "debugtools.h"
#include "user.h"
#include "winbase.h" #include "winbase.h"
#include "wingdi.h" #include "wingdi.h"
#include "winerror.h"
#include "windef.h"
#include "mouse.h"
#include "winuser.h" #include "winuser.h"
#include "winerror.h"
#include "dinput.h" #include "dinput.h"
#include "dinput_private.h" #include "dinput_private.h"
#include "device_private.h" #include "device_private.h"
#include "debugtools.h"
#define MOUSE_HACK #define MOUSE_HACK
@ -105,7 +102,7 @@ struct SysMouseAImpl
BYTE absolute; BYTE absolute;
/* Previous position for relative moves */ /* Previous position for relative moves */
LONG prevX, prevY; LONG prevX, prevY;
LPMOUSE_EVENT_PROC prev_handler; HHOOK hook;
HWND win; HWND win;
DWORD dwCoopLevel; DWORD dwCoopLevel;
POINT mapped_center; POINT mapped_center;
@ -226,10 +223,7 @@ static ULONG WINAPI SysMouseAImpl_Release(LPDIRECTINPUTDEVICE2A iface)
if (This->data_queue != NULL) if (This->data_queue != NULL)
HeapFree(GetProcessHeap(),0,This->data_queue); HeapFree(GetProcessHeap(),0,This->data_queue);
/* Install the previous event handler (in case of releasing an acquired if (This->hook) UnhookWindowsHookEx( This->hook );
mouse device) */
if (This->prev_handler != NULL)
MOUSE_Enable(This->prev_handler);
DeleteCriticalSection(&(This->crit)); DeleteCriticalSection(&(This->crit));
/* Free the DataFormat */ /* Free the DataFormat */
@ -318,40 +312,30 @@ static HRESULT WINAPI SysMouseAImpl_SetDataFormat(
return 0; return 0;
} }
/* Our private mouse event handler */ /* low-level mouse hook */
static void WINAPI dinput_mouse_event( DWORD dwFlags, DWORD dx, DWORD dy, static LRESULT CALLBACK dinput_mouse_hook( int code, WPARAM wparam, LPARAM lparam )
DWORD cButtons, DWORD dwExtraInfo )
{ {
long posX = -1, posY = -1; LRESULT ret;
DWORD keyState, xtime, extra; MSLLHOOKSTRUCT *hook = (MSLLHOOKSTRUCT *)lparam;
SysMouseAImpl* This = (SysMouseAImpl*) current_lock; SysMouseAImpl* This = (SysMouseAImpl*) current_lock;
if (code != HC_ACTION) return CallNextHookEx( This->hook, code, wparam, lparam );
EnterCriticalSection(&(This->crit)); EnterCriticalSection(&(This->crit));
/* Mouse moved -> send event if asked */ /* Mouse moved -> send event if asked */
if (This->hEvent) if (This->hEvent)
SetEvent(This->hEvent); SetEvent(This->hEvent);
if ( !IsBadReadPtr( (LPVOID)dwExtraInfo, sizeof(WINE_MOUSEEVENT) ) if (wparam == WM_MOUSEMOVE) {
&& ((WINE_MOUSEEVENT *)dwExtraInfo)->magic == WINE_MOUSEEVENT_MAGIC ) {
WINE_MOUSEEVENT *wme = (WINE_MOUSEEVENT *)dwExtraInfo;
keyState = wme->keyState;
xtime = wme->time;
extra = (DWORD)wme->hWnd;
if (dwFlags & MOUSEEVENTF_MOVE) {
if (dwFlags & MOUSEEVENTF_ABSOLUTE) {
posX = (dx * GetSystemMetrics(SM_CXSCREEN)) >> 16;
posY = (dy * GetSystemMetrics(SM_CYSCREEN)) >> 16;
if (This->absolute) { if (This->absolute) {
if (posX != This->prevX) if (hook->pt.x != This->prevX)
GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], posX, xtime, 0); GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], hook->pt.x, hook->time, 0);
if (posY != This->prevY) if (hook->pt.y != This->prevY)
GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], posY, xtime, 0); GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], hook->pt.y, hook->time, 0);
} else { } else {
/* Now, warp handling */ /* Now, warp handling */
if ((This->need_warp == WARP_STARTED) && if ((This->need_warp == WARP_STARTED) &&
(posX == This->mapped_center.x) && (posY == This->mapped_center.y)) { (hook->pt.x == This->mapped_center.x) && (hook->pt.y == This->mapped_center.y)) {
/* Warp has been done... */ /* Warp has been done... */
This->need_warp = WARP_DONE; This->need_warp = WARP_DONE;
goto end; goto end;
@ -360,121 +344,72 @@ static void WINAPI dinput_mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
/* Relative mouse input with absolute mouse event : the real fun starts here... */ /* Relative mouse input with absolute mouse event : the real fun starts here... */
if ((This->need_warp == WARP_NEEDED) || if ((This->need_warp == WARP_NEEDED) ||
(This->need_warp == WARP_STARTED)) { (This->need_warp == WARP_STARTED)) {
if (posX != This->prevX) if (hook->pt.x != This->prevX)
GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], posX - This->prevX, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], hook->pt.x - This->prevX, hook->time, (This->dinput->evsequence)++);
if (posY != This->prevY) if (hook->pt.y != This->prevY)
GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], posY - This->prevY, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], hook->pt.y - This->prevY, hook->time, (This->dinput->evsequence)++);
} else { } else {
/* This is the first time the event handler has been called after a /* This is the first time the event handler has been called after a
GetData of GetState. */ GetData of GetState. */
if (posX != This->mapped_center.x) { if (hook->pt.x != This->mapped_center.x) {
GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], posX - This->mapped_center.x, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], hook->pt.x - This->mapped_center.x, hook->time, (This->dinput->evsequence)++);
This->need_warp = WARP_NEEDED; This->need_warp = WARP_NEEDED;
} }
if (posY != This->mapped_center.y) { if (hook->pt.y != This->mapped_center.y) {
GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], posY - This->mapped_center.y, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], hook->pt.y - This->mapped_center.y, hook->time, (This->dinput->evsequence)++);
This->need_warp = WARP_NEEDED; This->need_warp = WARP_NEEDED;
} }
} }
} }
This->prevX = posX; This->prevX = hook->pt.x;
This->prevY = posY; This->prevY = hook->pt.y;
if (This->absolute) { if (This->absolute) {
This->m_state.lX = posX; This->m_state.lX = hook->pt.x;
This->m_state.lY = posY; This->m_state.lY = hook->pt.y;
} else { } else {
This->m_state.lX = posX - This->mapped_center.x; This->m_state.lX = hook->pt.x - This->mapped_center.x;
This->m_state.lY = posY - This->mapped_center.y; This->m_state.lY = hook->pt.y - This->mapped_center.y;
}
} else {
/* Mouse reporting is in relative mode */
posX = (long) dx;
posY = (long) dy;
if (This->absolute) {
long aposX, aposY;
aposX = This->m_state.lX + posX;
if (aposX < 0)
aposX = 0;
if (aposX >= GetSystemMetrics(SM_CXSCREEN))
aposX = GetSystemMetrics(SM_CXSCREEN);
aposY = This->m_state.lY + posY;
if (aposY < 0)
aposY = 0;
if (aposY >= GetSystemMetrics(SM_CYSCREEN))
aposY = GetSystemMetrics(SM_CYSCREEN);
if (posX != 0)
GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], aposX, xtime, (This->dinput->evsequence)++);
if (posY != 0)
GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], aposY, xtime, (This->dinput->evsequence)++);
This->m_state.lX = aposX;
This->m_state.lY = aposY;
} else {
if (posX != 0)
GEN_EVENT(This->offset_array[WINE_MOUSE_X_POSITION], posX, xtime, (This->dinput->evsequence)++);
if (posY != 0)
GEN_EVENT(This->offset_array[WINE_MOUSE_Y_POSITION], posY, xtime, (This->dinput->evsequence)++);
This->m_state.lX = posX;
This->m_state.lY = posY;
} }
} }
}
} else {
ERR("Mouse event not supported...\n");
goto end;
}
if (TRACE_ON(dinput)) { TRACE(" msg %x pt %ld %ld (W=%d)",
if (dwFlags & MOUSEEVENTF_MOVE) wparam, hook->pt.x, hook->pt.y, This->absolute && This->need_warp );
TRACE(" %ld %ld (%s)", posX, posY,
(dwFlags & MOUSEEVENTF_ABSOLUTE ? "abs" : "rel"));
if ( dwFlags & MOUSEEVENTF_LEFTDOWN ) DPRINTF(" LD "); switch(wparam)
if ( dwFlags & MOUSEEVENTF_LEFTUP ) DPRINTF(" LU "); {
case WM_LBUTTONDOWN:
if ( dwFlags & MOUSEEVENTF_RIGHTDOWN ) DPRINTF(" RD "); GEN_EVENT(This->offset_array[WINE_MOUSE_L_POSITION], 0xFF,
if ( dwFlags & MOUSEEVENTF_RIGHTUP ) DPRINTF(" RU "); hook->time, This->dinput->evsequence++);
if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN ) DPRINTF(" MD ");
if ( dwFlags & MOUSEEVENTF_MIDDLEUP ) DPRINTF(" MU ");
if (!(This->absolute)) DPRINTF(" W=%d ", This->need_warp);
DPRINTF("\n");
}
if ( dwFlags & MOUSEEVENTF_LEFTDOWN ) {
GEN_EVENT(This->offset_array[WINE_MOUSE_L_POSITION], 0xFF, xtime, (This->dinput->evsequence)++);
This->m_state.rgbButtons[0] = 0xFF; This->m_state.rgbButtons[0] = 0xFF;
} break;
if ( dwFlags & MOUSEEVENTF_LEFTUP ) { case WM_LBUTTONUP:
GEN_EVENT(This->offset_array[WINE_MOUSE_L_POSITION], 0x00, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_L_POSITION], 0x00,
hook->time, This->dinput->evsequence++);
This->m_state.rgbButtons[0] = 0x00; This->m_state.rgbButtons[0] = 0x00;
} break;
if ( dwFlags & MOUSEEVENTF_RIGHTDOWN ) { case WM_RBUTTONDOWN:
GEN_EVENT(This->offset_array[WINE_MOUSE_R_POSITION], 0xFF, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_R_POSITION], 0xFF,
hook->time, This->dinput->evsequence++);
This->m_state.rgbButtons[1] = 0xFF; This->m_state.rgbButtons[1] = 0xFF;
} break;
if ( dwFlags & MOUSEEVENTF_RIGHTUP ) { case WM_RBUTTONUP:
GEN_EVENT(This->offset_array[WINE_MOUSE_R_POSITION], 0x00, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_R_POSITION], 0x00,
hook->time, This->dinput->evsequence++);
This->m_state.rgbButtons[1] = 0x00; This->m_state.rgbButtons[1] = 0x00;
} break;
if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN ) { case WM_MBUTTONDOWN:
GEN_EVENT(This->offset_array[WINE_MOUSE_M_POSITION], 0xFF, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_M_POSITION], 0xFF,
hook->time, This->dinput->evsequence++);
This->m_state.rgbButtons[2] = 0xFF; This->m_state.rgbButtons[2] = 0xFF;
} break;
if ( dwFlags & MOUSEEVENTF_MIDDLEUP ) { case WM_MBUTTONUP:
GEN_EVENT(This->offset_array[WINE_MOUSE_M_POSITION], 0x00, xtime, (This->dinput->evsequence)++); GEN_EVENT(This->offset_array[WINE_MOUSE_M_POSITION], 0x00,
hook->time, This->dinput->evsequence++);
This->m_state.rgbButtons[2] = 0x00; This->m_state.rgbButtons[2] = 0x00;
break;
} }
TRACE("(X: %ld - Y: %ld L: %02x M: %02x R: %02x)\n", TRACE("(X: %ld - Y: %ld L: %02x M: %02x R: %02x)\n",
@ -484,10 +419,11 @@ static void WINAPI dinput_mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
end: end:
if (This->dwCoopLevel & DISCL_NONEXCLUSIVE) if (This->dwCoopLevel & DISCL_NONEXCLUSIVE)
{ /* pass the events down to previous handlers (e.g. win32 input) */ { /* pass the events down to previous handlers (e.g. win32 input) */
if (This->prev_handler) ret = CallNextHookEx( This->hook, code, wparam, lparam );
This->prev_handler(dwFlags, dx, dy, cButtons, dwExtraInfo);
} }
else ret = 1; /* ignore message */
LeaveCriticalSection(&(This->crit)); LeaveCriticalSection(&(This->crit));
return ret;
} }
@ -504,9 +440,6 @@ static HRESULT WINAPI SysMouseAImpl_Acquire(LPDIRECTINPUTDEVICE2A iface)
if (This->acquired == 0) { if (This->acquired == 0) {
POINT point; POINT point;
/* This stores the current mouse handler. */
This->prev_handler = mouse_event;
/* Store (in a global variable) the current lock */ /* Store (in a global variable) the current lock */
current_lock = (IDirectInputDevice2A*)This; current_lock = (IDirectInputDevice2A*)This;
@ -525,8 +458,8 @@ static HRESULT WINAPI SysMouseAImpl_Acquire(LPDIRECTINPUTDEVICE2A iface)
This->m_state.rgbButtons[1] = (GetKeyState(VK_MBUTTON) ? 0xFF : 0x00); This->m_state.rgbButtons[1] = (GetKeyState(VK_MBUTTON) ? 0xFF : 0x00);
This->m_state.rgbButtons[2] = (GetKeyState(VK_RBUTTON) ? 0xFF : 0x00); This->m_state.rgbButtons[2] = (GetKeyState(VK_RBUTTON) ? 0xFF : 0x00);
/* Install our own mouse event handler */ /* Install our mouse hook */
MOUSE_Enable(dinput_mouse_event); This->hook = SetWindowsHookExW( WH_MOUSE_LL, dinput_mouse_hook, 0, 0 );
/* Get the window dimension and find the center */ /* Get the window dimension and find the center */
GetWindowRect(This->win, &rect); GetWindowRect(This->win, &rect);
@ -564,8 +497,8 @@ static HRESULT WINAPI SysMouseAImpl_Unacquire(LPDIRECTINPUTDEVICE2A iface)
if (This->acquired) if (This->acquired)
{ {
/* Reinstall previous mouse event handler */ /* Reinstall previous mouse event handler */
MOUSE_Enable(This->prev_handler); if (This->hook) UnhookWindowsHookEx( This->hook );
This->prev_handler = NULL; This->hook = 0;
/* No more locks */ /* No more locks */
current_lock = NULL; current_lock = NULL;