reactos/subsys/win32k/eng/mouse.c

   1 #include <ddk/ntddk.h>
   2 #include <win32k/dc.h>
   3 #include "../../drivers/input/include/mouse.h"
   4 #include "objects.h"
   5
   6 BOOLEAN SafetySwitch = FALSE, SafetySwitch2 = FALSE, MouseEnabled = FALSE;
   7 LONG mouse_x, mouse_y;
   8 UINT mouse_width = 0, mouse_height = 0;
   9
  10 INT MouseSafetyOnDrawStart(PSURFOBJ SurfObj, PSURFGDI SurfGDI, LONG HazardX1, LONG HazardY1, LONG HazardX2, LONG HazardY2)
  11 {
  12   RECTL MouseRect;
  13   LONG tmp;
  14
  15   if(SurfObj == NULL) return 0;
  16
  17   if((SurfObj->iType != STYPE_DEVICE) || (MouseEnabled == FALSE)) return 0;
  18
  19   if(HazardX1 > HazardX2) { tmp = HazardX2; HazardX2 = HazardX1; HazardX1 = tmp; }
  20   if(HazardY1 > HazardY2) { tmp = HazardY2; HazardY2 = HazardY1; HazardY1 = tmp; }
  21
  22   if( (mouse_x + mouse_width >= HazardX1)  && (mouse_x <= HazardX2) &&
  23       (mouse_y + mouse_height >= HazardY1) && (mouse_y <= HazardY2) )
  24   {
  25     SurfGDI->MovePointer(SurfObj, -1, -1, &MouseRect);
  26     SafetySwitch = TRUE;
  27   }
  28
  29   // Mouse is not allowed to move if GDI is busy drawing
  30   SafetySwitch2 = TRUE;
  31
  32   return 1;
  33 }
  34
  35 INT MouseSafetyOnDrawEnd(PSURFOBJ SurfObj, PSURFGDI SurfGDI)
  36 {
  37   RECTL MouseRect;
  38
  39   if(SurfObj == NULL) return 0;
  40
  41   if((SurfObj->iType != STYPE_DEVICE) || (MouseEnabled == FALSE)) return 0;
  42
  43   if(SafetySwitch == TRUE)
  44   {
  45     SurfGDI->MovePointer(SurfObj, mouse_x, mouse_y, &MouseRect);
  46     SafetySwitch = FALSE;
  47   }
  48
  49   SafetySwitch2 = FALSE;
  50
  51   return 1;
  52 }
  53
  54 VOID MouseGDICallBack(PMOUSE_INPUT_DATA Data, ULONG InputCount)
  55 {
  56   ULONG i;
  57   LONG mouse_cx = 0, mouse_cy = 0;
  58 /*  HDC hDC = RetrieveDisplayHDC();
  59   PDC dc = DC_HandleToPtr(hDC);
  60   PSURFOBJ SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
  61   PSURFGDI SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
  62   RECTL MouseRect; */
  63
  64   PDEVICE_OBJECT ClassDeviceObject = NULL;
  65   PFILE_OBJECT FileObject = NULL;
  66   NTSTATUS status;
  67   UNICODE_STRING ClassName;
  68   IO_STATUS_BLOCK ioStatus;
  69   KEVENT event;
  70   PIRP irp;
  71
  72   // Compile the total mouse movement change
  73   for (i=0; i<InputCount; i++)
  74   {
  75     mouse_cx += Data[i].LastX;
  76     mouse_cy += Data[i].LastY;
  77   }
  78
  79   if((mouse_cx != 0) || (mouse_cy != 0))
  80   {
  81     mouse_x += mouse_cx;
  82     mouse_y += mouse_cy;
  83
  84     if(mouse_x < 0) mouse_x = 0;
  85     if(mouse_y < 0) mouse_y = 0;
  86     if(mouse_x > 620) mouse_x = 620;
  87     if(mouse_y > 460) mouse_y = 460;
  88
  89     if((SafetySwitch == FALSE) && (SafetySwitch2 == FALSE)) ;
  90 /*      SurfGDI->MovePointer(SurfObj, mouse_x, mouse_y, &MouseRect); */
  91   }
  92 }
  93
  94 NTSTATUS ConnectMouseClassDriver()
  95 {
  96    PDEVICE_OBJECT ClassDeviceObject = NULL;
  97    PFILE_OBJECT FileObject = NULL;
  98    NTSTATUS status;
  99    UNICODE_STRING ClassName;
 100    IO_STATUS_BLOCK ioStatus;
 101    KEVENT event;
 102    PIRP irp;
 103    GDI_INFORMATION GDIInformation;
 104
 105    RtlInitUnicodeString(&ClassName, L"\\Device\\MouseClass");
 106
 107    status = IoGetDeviceObjectPointer(&ClassName, FILE_READ_ATTRIBUTES, &FileObject, &ClassDeviceObject);
 108
 109    if(status != STATUS_SUCCESS)
 110    {
 111       DbgPrint("Win32k: Could not connect to mouse class driver\n");
 112       return status;
 113    }
 114
 115    // Connect our callback to the class driver
 116
 117    KeInitializeEvent(&event, NotificationEvent, FALSE);
 118
 119    GDIInformation.CallBack = MouseGDICallBack;
 120
 121    irp = IoBuildDeviceIoControlRequest(IOCTL_INTERNAL_MOUSE_CONNECT,
 122       ClassDeviceObject, &GDIInformation, sizeof(CLASS_INFORMATION), NULL, 0, TRUE, &event, &ioStatus);
 123
 124    status = IoCallDriver(ClassDeviceObject, irp);
 125
 126    if (status == STATUS_PENDING) {
 127       KeWaitForSingleObject(&event, Suspended, KernelMode, FALSE, NULL);
 128    } else {
 129       ioStatus.Status = status;
 130    }
 131
 132    return ioStatus.Status;
 133 }
 134 /*
 135 void TestMouse()
 136 {
 137   HDC hDC = RetrieveDisplayHDC();
 138   PDC dc = DC_HandleToPtr(hDC);
 139   PSURFOBJ SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
 140   PSURFGDI SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
 141   BOOL txt;
 142   int i;
 143
 144   BRUSHOBJ Brush;
 145   HBITMAP hMouseSurf;
 146   PSURFOBJ MouseSurf;
 147   SIZEL MouseSize;
 148   POINTL ZeroPoint;
 149   RECTL MouseRect;
 150
 151   // Draw a test mouse cursor
 152   mouse_width  = 16;
 153   mouse_height = 16;
 154
 155   // Draw transparent colored rectangle
 156   Brush.iSolidColor = 5;
 157   for (i = 0; i < 17; i++)
 158     EngLineTo(SurfObj, NULL, &Brush, 0, i, 17, i, NULL, 0);
 159
 160   // Draw white interior
 161   Brush.iSolidColor = 15;
 162   for (i = 1; i < 16; i++)
 163     EngLineTo(SurfObj, NULL, &Brush, 0, i-1, 16-i, i-1, NULL, 0);
 164
 165   // Draw black outline
 166   Brush.iSolidColor = 0;
 167   EngLineTo(SurfObj, NULL, &Brush, 0, 0, 15, 0, NULL, 0);
 168   EngLineTo(SurfObj, NULL, &Brush, 0, 16, 15, 0, NULL, 0);
 169   EngLineTo(SurfObj, NULL, &Brush, 0, 15, 0, 0, NULL, 0);
 170
 171   // Create the bitmap for the mouse cursor data
 172   MouseSize.cx = 16;
 173   MouseSize.cy = 16;
 174   hMouseSurf = EngCreateBitmap(MouseSize, 16, BMF_4BPP, 0, NULL);
 175   MouseSurf = (PSURFOBJ)AccessUserObject(hMouseSurf);
 176
 177   // Capture the cursor we drew in the mouse cursor buffer
 178   ZeroPoint.x = 0;
 179   ZeroPoint.y = 0;
 180   MouseRect.top = 0;
 181   MouseRect.left = 0;
 182   MouseRect.bottom = 16;
 183   MouseRect.right = 16;
 184   EngBitBlt(MouseSurf, SurfObj, NULL, NULL, NULL, &MouseRect, &ZeroPoint, NULL, NULL, NULL, 0);
 185   SurfGDI->SetPointerShape(SurfObj, MouseSurf, NULL, NULL, 0, 0, 50, 50, &MouseRect, 0);
 186
 187   // Connect the mouse class driver to the GDI
 188   mouse_x = 50;
 189   mouse_y = 50;
 190   ConnectMouseClassDriver();
 191   MouseEnabled = TRUE;
 192 }
 193 */