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 = W32kGetScreenDC();
  59   PDC dc;
  60   PSURFOBJ SurfObj;
  61   PSURFGDI SurfGDI;
  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   if (hDC == 0)
  73     {
  74       return;
  75     }
  76
  77   dc = DC_HandleToPtr(hDC);
  78   SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
  79   SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
  80
  81   // Compile the total mouse movement change
  82   for (i=0; i<InputCount; i++)
  83   {
  84     mouse_cx += Data[i].LastX;
  85     mouse_cy += Data[i].LastY;
  86   }
  87
  88   if((mouse_cx != 0) || (mouse_cy != 0))
  89   {
  90     mouse_x += mouse_cx;
  91     mouse_y += mouse_cy;
  92
  93     if(mouse_x < 0) mouse_x = 0;
  94     if(mouse_y < 0) mouse_y = 0;
  95     if(mouse_x > 620) mouse_x = 620;
  96     if(mouse_y > 460) mouse_y = 460;
  97
  98     if((SafetySwitch == FALSE) && (SafetySwitch2 == FALSE)) ;
  99     SurfGDI->MovePointer(SurfObj, mouse_x, mouse_y, &MouseRect);
 100   }
 101 }
 102
 103 VOID EnableMouse(HDC hDisplayDC)
 104 {
 105   PDC dc = DC_HandleToPtr(hDisplayDC);
 106   PSURFOBJ SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
 107   PSURFGDI SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
 108   BOOL txt;
 109   int i;
 110
 111   BRUSHOBJ Brush;
 112   HBITMAP hMouseSurf;
 113   PSURFOBJ MouseSurf;
 114   SIZEL MouseSize;
 115   POINTL ZeroPoint;
 116   RECTL MouseRect;
 117
 118   // Draw a test mouse cursor
 119   mouse_width  = 16;
 120   mouse_height = 16;
 121
 122   // Draw transparent colored rectangle
 123   Brush.iSolidColor = 5;
 124   for (i = 0; i < 17; i++)
 125     EngLineTo(SurfObj, NULL, &Brush, 0, i, 17, i, NULL, 0);
 126
 127   // Draw white interior
 128   Brush.iSolidColor = 15;
 129   for (i = 1; i < 16; i++)
 130     EngLineTo(SurfObj, NULL, &Brush, 0, i-1, 16-i, i-1, NULL, 0);
 131
 132   // Draw black outline
 133   Brush.iSolidColor = 0;
 134   EngLineTo(SurfObj, NULL, &Brush, 0, 0, 15, 0, NULL, 0);
 135   EngLineTo(SurfObj, NULL, &Brush, 0, 16, 15, 0, NULL, 0);
 136   EngLineTo(SurfObj, NULL, &Brush, 0, 15, 0, 0, NULL, 0);
 137
 138   // Create the bitmap for the mouse cursor data
 139   MouseSize.cx = 16;
 140   MouseSize.cy = 16;
 141   hMouseSurf = EngCreateBitmap(MouseSize, 16, BMF_4BPP, 0, NULL);
 142   MouseSurf = (PSURFOBJ)AccessUserObject(hMouseSurf);
 143
 144   // Capture the cursor we drew in the mouse cursor buffer
 145   ZeroPoint.x = 0;
 146   ZeroPoint.y = 0;
 147   MouseRect.top = 0;
 148   MouseRect.left = 0;
 149   MouseRect.bottom = 16;
 150   MouseRect.right = 16;
 151   EngBitBlt(MouseSurf, SurfObj, NULL, NULL, NULL, &MouseRect, &ZeroPoint, NULL, NULL, NULL, 0);
 152   SurfGDI->SetPointerShape(SurfObj, MouseSurf, NULL, NULL, 0, 0, 50, 50, &MouseRect, 0);
 153
 154   mouse_x = 320;
 155   mouse_y = 240;
 156   MouseEnabled = TRUE;
 157 }
 158