reactos/subsys/win32k/eng/mouse.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id: mouse.c,v 1.19 2003/03/09 15:00:51 jfilby Exp $
  20  *
  21  * PROJECT:          ReactOS kernel
  22  * PURPOSE:          Mouse
  23  * FILE:             subsys/win32k/eng/mouse.c
  24  * PROGRAMER:        Casper S. Hornstrup (chorns@users.sourceforge.net)
  25  * REVISION HISTORY:
  26  *       06-06-2001  CSH  Created
  27  */
  28 /* INCLUDES ******************************************************************/
  29
  30 #include <windows.h>
  31 #include <ddk/ntddk.h>
  32 #include <ddk/ntddmou.h>
  33 #include <win32k/dc.h>
  34 #include "objects.h"
  35 #include "include/msgqueue.h"
  36
  37 #define NDEBUG
  38 #include <debug.h>
  39
  40 /* GLOBALS *******************************************************************/
  41
  42 static BOOLEAN SafetySwitch = FALSE;
  43 static BOOLEAN SafetySwitch2 = FALSE;
  44 static BOOLEAN MouseEnabled = FALSE;
  45 static LONG mouse_x, mouse_y;
  46 static UINT mouse_width = 0, mouse_height = 0;
  47
  48 static UCHAR DefaultCursor[256] = {
  49   0x00, 0x00, 0x00, 0x00,
  50   0x00, 0x00, 0x00, 0x00,
  51   0x00, 0x00, 0x00, 0x00,
  52   0x00, 0x00, 0x00, 0x00,
  53   0x00, 0x00, 0x00, 0x00,
  54   0x00, 0x00, 0x00, 0x00,
  55   0x00, 0x00, 0x00, 0x00,
  56   0x00, 0x00, 0x00, 0x00,
  57   0x00, 0x00, 0x00, 0x00,
  58   0x00, 0x00, 0x00, 0x00,
  59   0x00, 0x00, 0x00, 0x00,
  60   0x00, 0x00, 0x00, 0x00,
  61   0x00, 0x00, 0x00, 0x00,
  62   0x00, 0xC0, 0x00, 0x00,
  63   0x00, 0xC0, 0x00, 0x00,
  64   0x01, 0x80, 0x00, 0x00,
  65   0x01, 0x80, 0x00, 0x00,
  66   0x03, 0x00, 0x00, 0x00,
  67   0x43, 0x00, 0x00, 0x00,
  68   0x66, 0x00, 0x00, 0x00,
  69   0x76, 0x00, 0x00, 0x00,
  70   0x7E, 0x00, 0x00, 0x00,
  71   0x7F, 0xC0, 0x00, 0x00,
  72   0x7F, 0x80, 0x00, 0x00,
  73   0x7F, 0x00, 0x00, 0x00,
  74   0x7E, 0x00, 0x00, 0x00,
  75   0x7C, 0x00, 0x00, 0x00,
  76   0x78, 0x00, 0x00, 0x00,
  77   0x70, 0x00, 0x00, 0x00,
  78   0x60, 0x00, 0x00, 0x00,
  79   0x40, 0x00, 0x00, 0x00,
  80   0x00, 0x00, 0x00, 0x00,
  81
  82   0xFF, 0xFF, 0xFF, 0xFF,
  83   0xFF, 0xFF, 0xFF, 0xFF,
  84   0xFF, 0xFF, 0xFF, 0xFF,
  85   0xFF, 0xFF, 0xFF, 0xFF,
  86   0xFF, 0xFF, 0xFF, 0xFF,
  87   0xFF, 0xFF, 0xFF, 0xFF,
  88   0xFF, 0xFF, 0xFF, 0xFF,
  89   0xFF, 0xFF, 0xFF, 0xFF,
  90   0xFF, 0xFF, 0xFF, 0xFF,
  91   0xFF, 0xFF, 0xFF, 0xFF,
  92   0xFF, 0xFF, 0xFF, 0xFF,
  93   0xFF, 0xFF, 0xFF, 0xFF,
  94   0xFF, 0x3F, 0xFF, 0xFF,
  95   0xFE, 0x1F, 0xFF, 0xFF,
  96   0xFE, 0x1F, 0xFF, 0xFF,
  97   0xFC, 0x3F, 0xFF, 0xFF,
  98   0x7C, 0x3F, 0xFF, 0xFF,
  99   0x38, 0x7F, 0xFF, 0xFF,
 100   0x18, 0x7F, 0xFF, 0xFF,
 101   0x00, 0xFF, 0xFF, 0xFF,
 102   0x00, 0xFF, 0xFF, 0xFF,
 103   0x00, 0x0F, 0xFF, 0xFF,
 104   0x00, 0x1F, 0xFF, 0xFF,
 105   0x00, 0x3F, 0xFF, 0xFF,
 106   0x00, 0x7F, 0xFF, 0xFF,
 107   0x00, 0xFF, 0xFF, 0xFF,
 108   0x01, 0xFF, 0xFF, 0xFF,
 109   0x03, 0xFF, 0xFF, 0xFF,
 110   0x07, 0xFF, 0xFF, 0xFF,
 111   0x0F, 0xFF, 0xFF, 0xFF,
 112   0x1F, 0xFF, 0xFF, 0xFF,
 113   0x3F, 0xFF, 0xFF, 0xFF};
 114
 115 /* FUNCTIONS *****************************************************************/
 116
 117 INT
 118 MouseSafetyOnDrawStart(PSURFOBJ SurfObj, PSURFGDI SurfGDI, LONG HazardX1,
 119                        LONG HazardY1, LONG HazardX2, LONG HazardY2)
 120 /*
 121  * FUNCTION: Notify the mouse driver that drawing is about to begin in
 122  * a rectangle on a particular surface.
 123  */
 124 {
 125   RECTL MouseRect;
 126   LONG tmp;
 127
 128   /* Mouse is not allowed to move if GDI is busy drawing */
 129   SafetySwitch2 = TRUE;
 130
 131   if (SurfObj == NULL)
 132     {
 133       return(FALSE);
 134     }
 135
 136   if (SurfObj->iType != STYPE_DEVICE || MouseEnabled == FALSE)
 137     {
 138       return(FALSE);
 139     }
 140
 141   if (HazardX1 > HazardX2)
 142     {
 143       tmp = HazardX2; HazardX2 = HazardX1; HazardX1 = tmp;
 144     }
 145   if (HazardY1 > HazardY2)
 146     {
 147       tmp = HazardY2; HazardY2 = HazardY1; HazardY1 = tmp;
 148     }
 149
 150   if (((mouse_x + mouse_width) >= HazardX1)  && (mouse_x <= HazardX2) &&
 151       ((mouse_y + mouse_height) >= HazardY1) && (mouse_y <= HazardY2))
 152     {
 153       SafetySwitch = TRUE;
 154       SurfGDI->MovePointer(SurfObj, -1, -1, &MouseRect);
 155     }
 156
 157   return(TRUE);
 158 }
 159
 160 INT
 161 MouseSafetyOnDrawEnd(PSURFOBJ SurfObj, PSURFGDI SurfGDI)
 162 /*
 163  * FUNCTION: Notify the mouse driver that drawing has finished on a surface.
 164  */
 165 {
 166   RECTL MouseRect;
 167
 168   if (SurfObj == NULL)
 169     {
 170       return(FALSE);
 171     }
 172
 173   if (SurfObj->iType != STYPE_DEVICE || MouseEnabled == FALSE)
 174     {
 175       return(FALSE);
 176     }
 177
 178   if (SafetySwitch)
 179     {
 180       SurfGDI->MovePointer(SurfObj, mouse_x, mouse_y, &MouseRect);
 181       SafetySwitch = FALSE;
 182     }
 183
 184   SafetySwitch2 = FALSE;
 185
 186   return(TRUE);
 187 }
 188
 189 VOID
 190 MouseGDICallBack(PMOUSE_INPUT_DATA Data, ULONG InputCount)
 191 /*
 192  * FUNCTION: Call by the mouse driver when input events occur.
 193  */
 194 {
 195   ULONG i;
 196   LONG mouse_cx = 0, mouse_cy = 0;
 197   HDC hDC = W32kGetScreenDC();
 198   PDC dc;
 199   PSURFOBJ SurfObj;
 200   PSURFGDI SurfGDI;
 201   RECTL MouseRect;
 202   MSG Msg;
 203   ULONG j;
 204   LARGE_INTEGER LargeTickCount;
 205   ULONG TickCount;
 206   static ULONG ButtonsDown = 0;
 207   const UINT MouseButtonDownMessage[3] =
 208     {WM_RBUTTONDOWN, WM_MBUTTONDOWN, WM_LBUTTONDOWN};
 209   const UINT MouseButtonUpMessage[3] =
 210     {WM_RBUTTONUP, WM_MBUTTONUP, WM_LBUTTONUP};
 211   const ULONG MouseButtonFlag[3] = {MK_RBUTTON, MK_MBUTTON, MK_LBUTTON};
 212
 213   KeQueryTickCount(&LargeTickCount);
 214   TickCount = LargeTickCount.u.LowPart;
 215
 216   if (hDC == 0)
 217   {
 218     return;
 219   }
 220
 221   dc = DC_HandleToPtr(hDC);
 222   SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
 223   SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
 224   DC_ReleasePtr( hDC );
 225
 226   /* Compile the total mouse movement change and dispatch button events. */
 227   for (i = 0; i < InputCount; i++)
 228   {
 229     mouse_cx += Data[i].LastX;
 230     mouse_cy += Data[i].LastY;
 231
 232     Msg.wParam = ButtonsDown;
 233     Msg.lParam = MAKELPARAM(mouse_x + mouse_cx, mouse_y + mouse_cy);
 234     Msg.message = WM_MOUSEMOVE;
 235     Msg.time = TickCount;
 236     Msg.pt.x = mouse_x + mouse_cx;
 237     Msg.pt.y = mouse_y + mouse_cy;
 238     if ((mouse_cx > 0) || (mouse_cy > 0))
 239     {
 240       MsqInsertSystemMessage(&Msg);
 241     }
 242
 243     if (Data[i].ButtonFlags != 0)
 244     {
 245       if ((Data[i].ButtonFlags & MOUSE_LEFT_BUTTON_DOWN) > 0)
 246       {
 247         Msg.wParam  = MK_LBUTTON;
 248         Msg.message = WM_LBUTTONDOWN;
 249       }
 250       if ((Data[i].ButtonFlags & MOUSE_MIDDLE_BUTTON_DOWN) > 0)
 251       {
 252         Msg.wParam  = MK_MBUTTON;
 253         Msg.message = WM_MBUTTONDOWN;
 254       }
 255       if ((Data[i].ButtonFlags & MOUSE_RIGHT_BUTTON_DOWN) > 0)
 256       {
 257         Msg.wParam  = MK_RBUTTON;
 258         Msg.message = WM_RBUTTONDOWN;
 259       }
 260
 261       if ((Data[i].ButtonFlags & MOUSE_LEFT_BUTTON_UP) > 0)
 262       {
 263         Msg.wParam  = MK_LBUTTON;
 264         Msg.message = WM_LBUTTONUP;
 265       }
 266       if ((Data[i].ButtonFlags & MOUSE_MIDDLE_BUTTON_UP) > 0)
 267       {
 268         Msg.wParam  = MK_MBUTTON;
 269         Msg.message = WM_MBUTTONUP;
 270       }
 271       if ((Data[i].ButtonFlags & MOUSE_RIGHT_BUTTON_UP) > 0)
 272       {
 273         Msg.wParam  = MK_RBUTTON;
 274         Msg.message = WM_RBUTTONUP;
 275       }
 276
 277       MsqInsertSystemMessage(&Msg);
 278     }
 279   }
 280
 281   /* If the mouse moved then move the pointer. */
 282   if ((mouse_cx != 0 || mouse_cy != 0) && MouseEnabled)
 283   {
 284     mouse_x += mouse_cx;
 285     mouse_y += mouse_cy;
 286
 287     mouse_x = max(mouse_x, 0);
 288     mouse_y = max(mouse_y, 0);
 289     mouse_x = min(mouse_x, 620);
 290     mouse_y = min(mouse_y, 460);
 291
 292     if (SafetySwitch == FALSE && SafetySwitch2 == FALSE)
 293     {
 294       SurfGDI->MovePointer(SurfObj, mouse_x, mouse_y, &MouseRect);
 295     }
 296   }
 297 }
 298
 299 VOID
 300 EnableMouse(HDC hDisplayDC)
 301 {
 302   PDC dc;
 303   PSURFOBJ SurfObj;
 304   PSURFGDI SurfGDI;
 305   HBITMAP hMouseSurf;
 306   PSURFOBJ MouseSurf;
 307   SIZEL MouseSize;
 308   RECTL MouseRect;
 309
 310   dc = DC_HandleToPtr(hDisplayDC);
 311   if( dc ){
 312         SurfObj = (PSURFOBJ)AccessUserObject(dc->Surface);
 313         SurfGDI = (PSURFGDI)AccessInternalObject(dc->Surface);
 314         DC_ReleasePtr( hDisplayDC );
 315
 316         /* Create the default mouse cursor. */
 317         mouse_width = 32;
 318         mouse_height = 32;
 319         MouseSize.cx = 32;
 320         MouseSize.cy = 64;
 321         hMouseSurf = EngCreateBitmap(MouseSize, 4, BMF_1BPP, 0, DefaultCursor);
 322         MouseSurf = (PSURFOBJ)AccessUserObject(hMouseSurf);
 323
 324         /* Tell the display driver to set the pointer shape. */
 325         SurfGDI->SetPointerShape(SurfObj, MouseSurf, NULL, NULL, 0, 0, 320, 240,
 326                                    &MouseRect, 0);
 327
 328         mouse_x = 320;
 329         mouse_y = 240;
 330         MouseEnabled = TRUE;
 331   }
 332   else{
 333         MouseEnabled = FALSE;
 334   }
 335 }
 336