reactos/subsys/csrss/win32csr/guiconsole.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS system libraries
   5  * FILE:            subsys/csrss/win32csr/guiconsole.c
   6  * PURPOSE:         Implementation of gui-mode consoles
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include "w32csr.h"
  12
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* Not defined in any header file */
  17 extern VOID STDCALL PrivateCsrssManualGuiCheck(LONG Check);
  18
  19 /* GLOBALS *******************************************************************/
  20
  21 typedef struct GUI_CONSOLE_DATA_TAG
  22 {
  23   HFONT Font;
  24   unsigned CharWidth;
  25   unsigned CharHeight;
  26   PWCHAR LineBuffer;
  27   BOOL CursorBlinkOn;
  28   BOOL ForceCursorOff;
  29   CRITICAL_SECTION Lock;
  30   HDC MemoryDC;
  31   HBITMAP MemoryBitmap;
  32   RECT Selection;
  33   POINT SelectionStart;
  34   BOOL MouseDown;
  35 } GUI_CONSOLE_DATA, *PGUI_CONSOLE_DATA;
  36
  37 #ifndef WM_APP
  38 #define WM_APP 0x8000
  39 #endif
  40 #define PM_CREATE_CONSOLE  (WM_APP + 1)
  41 #define PM_DESTROY_CONSOLE (WM_APP + 2)
  42
  43 #define CURSOR_BLINK_TIME 500
  44
  45 static BOOL ConsInitialized = FALSE;
  46 static HWND NotifyWnd;
  47
  48 /* FUNCTIONS *****************************************************************/
  49
  50 static VOID FASTCALL
  51 GuiConsoleGetDataPointers(HWND hWnd, PCSRSS_CONSOLE *Console, PGUI_CONSOLE_DATA *GuiData)
  52 {
  53   *Console = (PCSRSS_CONSOLE) GetWindowLongPtrW(hWnd, GWL_USERDATA);
  54   *GuiData = (NULL == *Console ? NULL : (*Console)->PrivateData);
  55 }
  56
  57 static BOOL FASTCALL
  58 GuiConsoleHandleNcCreate(HWND hWnd, CREATESTRUCTW *Create)
  59 {
  60   RECT Rect;
  61   PCSRSS_CONSOLE Console = (PCSRSS_CONSOLE) Create->lpCreateParams;
  62   PGUI_CONSOLE_DATA GuiData;
  63   HDC Dc;
  64   HFONT OldFont;
  65   TEXTMETRICW Metrics;
  66
  67   GuiData = HeapAlloc(Win32CsrApiHeap, HEAP_ZERO_MEMORY,
  68                       sizeof(GUI_CONSOLE_DATA) +
  69                       (Console->Size.X + 1) * sizeof(WCHAR));
  70   if (NULL == GuiData)
  71     {
  72       DPRINT1("GuiConsoleNcCreate: HeapAlloc failed\n");
  73       return FALSE;
  74     }
  75
  76   InitializeCriticalSection(&GuiData->Lock);
  77
  78   GuiData->LineBuffer = (PWCHAR)(GuiData + 1);
  79
  80   GuiData->Font = CreateFontW(12, 0, 0, TA_BASELINE, FW_NORMAL,
  81                               FALSE, FALSE, FALSE, OEM_CHARSET,
  82                               OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
  83                               NONANTIALIASED_QUALITY, FIXED_PITCH | FF_DONTCARE,
  84                               L"Bitstream Vera Sans Mono");
  85   if (NULL == GuiData->Font)
  86     {
  87       DPRINT1("GuiConsoleNcCreate: CreateFont failed\n");
  88       DeleteCriticalSection(&GuiData->Lock);
  89       HeapFree(Win32CsrApiHeap, 0, GuiData);
  90       return FALSE;
  91     }
  92   Dc = GetDC(hWnd);
  93   if (NULL == Dc)
  94     {
  95       DPRINT1("GuiConsoleNcCreate: GetDC failed\n");
  96       DeleteObject(GuiData->Font);
  97       DeleteCriticalSection(&GuiData->Lock);
  98       HeapFree(Win32CsrApiHeap, 0, GuiData);
  99       return FALSE;
 100     }
 101   OldFont = SelectObject(Dc, GuiData->Font);
 102   if (NULL == OldFont)
 103     {
 104       DPRINT1("GuiConsoleNcCreate: SelectObject failed\n");
 105       ReleaseDC(hWnd, Dc);
 106       DeleteObject(GuiData->Font);
 107       DeleteCriticalSection(&GuiData->Lock);
 108       HeapFree(Win32CsrApiHeap, 0, GuiData);
 109       return FALSE;
 110     }
 111   if (! GetTextMetricsW(Dc, &Metrics))
 112     {
 113       DPRINT1("GuiConsoleNcCreate: GetTextMetrics failed\n");
 114       SelectObject(Dc, OldFont);
 115       ReleaseDC(hWnd, Dc);
 116       DeleteObject(GuiData->Font);
 117       DeleteCriticalSection(&GuiData->Lock);
 118       HeapFree(Win32CsrApiHeap, 0, GuiData);
 119       return FALSE;
 120     }
 121   GuiData->CharWidth = Metrics.tmMaxCharWidth;
 122   GuiData->CharHeight = Metrics.tmHeight + Metrics.tmExternalLeading;
 123   SelectObject(Dc, OldFont);
 124
 125   GuiData->MemoryDC = CreateCompatibleDC(Dc);
 126   GuiData->MemoryBitmap = CreateCompatibleBitmap(Dc,
 127                                                  Console->Size.X * GuiData->CharWidth,
 128                                                  Console->Size.Y * GuiData->CharHeight);
 129   /* NOTE: Don't delete the "first bitmap", it's done in DeleteDC. */
 130   SelectObject(GuiData->MemoryDC, GuiData->MemoryBitmap);
 131   /* NOTE: Don't delete stock font. */
 132   SelectObject(GuiData->MemoryDC, GuiData->Font);
 133
 134   ReleaseDC(hWnd, Dc);
 135   GuiData->CursorBlinkOn = TRUE;
 136   GuiData->ForceCursorOff = FALSE;
 137
 138   GuiData->Selection.left = -1;
 139
 140   Console->PrivateData = GuiData;
 141   SetWindowLongPtrW(hWnd, GWL_USERDATA, (DWORD_PTR) Console);
 142
 143   GetWindowRect(hWnd, &Rect);
 144   Rect.right = Rect.left + Console->Size.X * GuiData->CharWidth +
 145                2 * GetSystemMetrics(SM_CXFIXEDFRAME);
 146   Rect.bottom = Rect.top + Console->Size.Y * GuiData->CharHeight +
 147                2 * GetSystemMetrics(SM_CYFIXEDFRAME) + GetSystemMetrics(SM_CYCAPTION);
 148   MoveWindow(hWnd, Rect.left, Rect.top, Rect.right - Rect.left,
 149              Rect.bottom - Rect.top, FALSE);
 150
 151   SetTimer(hWnd, 1, CURSOR_BLINK_TIME, NULL);
 152
 153   return (BOOL) DefWindowProcW(hWnd, WM_NCCREATE, 0, (LPARAM) Create);
 154 }
 155
 156 static COLORREF FASTCALL
 157 GuiConsoleRGBFromAttribute(BYTE Attribute)
 158 {
 159   int Red = (Attribute & 0x04 ? (Attribute & 0x08 ? 0xff : 0x80) : 0x00);
 160   int Green = (Attribute & 0x02 ? (Attribute & 0x08 ? 0xff : 0x80) : 0x00);
 161   int Blue = (Attribute & 0x01 ? (Attribute & 0x08 ? 0xff : 0x80) : 0x00);
 162
 163   return RGB(Red, Green, Blue);
 164 }
 165
 166 static VOID FASTCALL
 167 GuiConsoleSetTextColors(HDC Dc, BYTE Attribute)
 168 {
 169   SetTextColor(Dc, GuiConsoleRGBFromAttribute(Attribute & 0x0f));
 170   SetBkColor(Dc, GuiConsoleRGBFromAttribute((Attribute & 0xf0) >> 4));
 171 }
 172
 173 static VOID FASTCALL
 174 GuiConsoleGetLogicalCursorPos(PCSRSS_SCREEN_BUFFER Buff, ULONG *CursorX, ULONG *CursorY)
 175 {
 176   *CursorX = Buff->CurrentX;
 177   if (Buff->CurrentY < Buff->ShowY)
 178     {
 179       *CursorY = Buff->MaxY - Buff->ShowY + Buff->CurrentY;
 180     }
 181   else
 182     {
 183       *CursorY = Buff->CurrentY - Buff->ShowY;
 184     }
 185 }
 186
 187
 188 static VOID FASTCALL
 189 GuiConsoleUpdateSelection(HWND hWnd, PRECT rc, PGUI_CONSOLE_DATA GuiData)
 190 {
 191   RECT oldRect = GuiData->Selection;
 192
 193   if(rc != NULL)
 194   {
 195     RECT changeRect = *rc;
 196
 197     GuiData->Selection = *rc;
 198
 199     changeRect.left *= GuiData->CharWidth;
 200     changeRect.top *= GuiData->CharHeight;
 201     changeRect.right *= GuiData->CharWidth;
 202     changeRect.bottom *= GuiData->CharHeight;
 203
 204     if(rc->left != oldRect.left ||
 205        rc->top != oldRect.top ||
 206        rc->right != oldRect.right ||
 207        rc->bottom != oldRect.bottom)
 208     {
 209       if(oldRect.left != -1)
 210       {
 211         HRGN rgn1, rgn2;
 212
 213         oldRect.left *= GuiData->CharWidth;
 214         oldRect.top *= GuiData->CharHeight;
 215         oldRect.right *= GuiData->CharWidth;
 216         oldRect.bottom *= GuiData->CharHeight;
 217
 218         /* calculate the region that needs to be updated */
 219         if((rgn1 = CreateRectRgnIndirect(&oldRect)))
 220         {
 221           if((rgn2 = CreateRectRgnIndirect(&changeRect)))
 222           {
 223             if(CombineRgn(rgn1, rgn2, rgn1, RGN_XOR) != ERROR)
 224             {
 225               InvalidateRgn(hWnd, rgn1, FALSE);
 226             }
 227
 228             DeleteObject(rgn2);
 229           }
 230           DeleteObject(rgn1);
 231         }
 232       }
 233       else
 234       {
 235         InvalidateRect(hWnd, &changeRect, FALSE);
 236       }
 237     }
 238   }
 239   else if(oldRect.left != -1)
 240   {
 241     /* clear the selection */
 242     GuiData->Selection.left = -1;
 243     oldRect.left *= GuiData->CharWidth;
 244     oldRect.top *= GuiData->CharHeight;
 245     oldRect.right *= GuiData->CharWidth;
 246     oldRect.bottom *= GuiData->CharHeight;
 247     InvalidateRect(hWnd, &oldRect, FALSE);
 248   }
 249 }
 250
 251
 252 VOID FASTCALL
 253 GuiConsoleUpdateBitmap(HWND hWnd, RECT rc)
 254 {
 255   PCSRSS_CONSOLE Console;
 256   PGUI_CONSOLE_DATA GuiData;
 257   PCSRSS_SCREEN_BUFFER Buff;
 258   HDC Dc;
 259   ULONG TopLine, BottomLine, LeftChar, RightChar;
 260   ULONG Line, Char, Start;
 261   PBYTE From;
 262   PWCHAR To;
 263   BYTE LastAttribute, Attribute;
 264   ULONG CursorX, CursorY, CursorHeight;
 265   HBRUSH CursorBrush, OldBrush;
 266
 267   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 268   if (NULL != Console && NULL != GuiData && NULL != Console->ActiveBuffer)
 269     {
 270       Buff = Console->ActiveBuffer;
 271       EnterCriticalSection(&Buff->Header.Lock);
 272       Dc = GetDC(hWnd);
 273       if (rc.right <= rc.left || rc.bottom <= rc.top)
 274         {
 275           ReleaseDC(hWnd, Dc);
 276           LeaveCriticalSection(&Buff->Header.Lock);
 277           return;
 278         }
 279
 280       EnterCriticalSection(&GuiData->Lock);
 281
 282       TopLine = rc.top / GuiData->CharHeight;
 283       BottomLine = (rc.bottom + (GuiData->CharHeight - 1)) / GuiData->CharHeight - 1;
 284       LeftChar = rc.left / GuiData->CharWidth;
 285       RightChar = (rc.right + (GuiData->CharWidth - 1)) / GuiData->CharWidth - 1;
 286       LastAttribute = Buff->Buffer[(TopLine * Buff->MaxX + LeftChar) * 2 + 1];
 287       GuiConsoleSetTextColors(GuiData->MemoryDC, LastAttribute);
 288
 289       for (Line = TopLine; Line <= BottomLine; Line++)
 290         {
 291           if (Line + Buff->ShowY < Buff->MaxY)
 292             {
 293               From = Buff->Buffer + ((Line + Buff->ShowY) * Buff->MaxX + LeftChar) * 2;
 294             }
 295           else
 296             {
 297               From = Buff->Buffer +
 298                      ((Line - (Buff->MaxY - Buff->ShowY)) * Buff->MaxX + LeftChar) * 2;
 299             }
 300           Start = LeftChar;
 301           To = GuiData->LineBuffer;
 302           for (Char = LeftChar; Char <= RightChar; Char++)
 303             {
 304               if (*(From + 1) != LastAttribute)
 305                 {
 306                   TextOutW(GuiData->MemoryDC, Start * GuiData->CharWidth, Line * GuiData->CharHeight,
 307                            GuiData->LineBuffer, Char - Start);
 308                   Start = Char;
 309                   To = GuiData->LineBuffer;
 310                   Attribute = *(From + 1);
 311                   if (Attribute != LastAttribute)
 312                     {
 313                       GuiConsoleSetTextColors(GuiData->MemoryDC, Attribute);
 314                       LastAttribute = Attribute;
 315                     }
 316                 }
 317               MultiByteToWideChar(Console->OutputCodePage, 0, (PCHAR)From, 1, To, 1);
 318               To++;
 319               From += 2;
 320             }
 321           TextOutW(GuiData->MemoryDC, Start * GuiData->CharWidth, Line * GuiData->CharHeight,
 322                    GuiData->LineBuffer, RightChar - Start + 1);
 323         }
 324
 325       if (Buff->CursorInfo.bVisible && GuiData->CursorBlinkOn
 326           &&! GuiData->ForceCursorOff)
 327         {
 328           GuiConsoleGetLogicalCursorPos(Buff, &CursorX, &CursorY);
 329           if (LeftChar <= CursorX && CursorX <= RightChar &&
 330               TopLine <= CursorY && CursorY <= BottomLine)
 331             {
 332               CursorHeight = (GuiData->CharHeight * Buff->CursorInfo.dwSize) / 100;
 333               if (CursorHeight < 1)
 334                 {
 335                   CursorHeight = 1;
 336                 }
 337               From = Buff->Buffer + (Buff->CurrentY * Buff->MaxX + Buff->CurrentX) * 2 + 1;
 338               CursorBrush = CreateSolidBrush(GuiConsoleRGBFromAttribute(*From));
 339               OldBrush = SelectObject(GuiData->MemoryDC, CursorBrush);
 340               PatBlt(GuiData->MemoryDC, CursorX * GuiData->CharWidth,
 341                      CursorY * GuiData->CharHeight + (GuiData->CharHeight - CursorHeight),
 342                      GuiData->CharWidth, CursorHeight, PATCOPY);
 343               SelectObject(GuiData->MemoryDC, OldBrush);
 344               DeleteObject(CursorBrush);
 345             }
 346         }
 347
 348       LeaveCriticalSection(&GuiData->Lock);
 349       ReleaseDC(hWnd, Dc);
 350       LeaveCriticalSection(&Buff->Header.Lock);
 351       InvalidateRect(hWnd, &rc, FALSE);
 352    }
 353 }
 354
 355 VOID FASTCALL
 356 GuiConsoleHandlePaint(HWND hWnd)
 357 {
 358   PAINTSTRUCT Ps;
 359   HDC Dc;
 360   PCSRSS_CONSOLE Console;
 361   PGUI_CONSOLE_DATA GuiData;
 362
 363   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 364   if (NULL != Console && NULL != GuiData)
 365     {
 366       EnterCriticalSection(&GuiData->Lock);
 367       Dc = BeginPaint (hWnd, &Ps);
 368       BitBlt(Dc, Ps.rcPaint.left, Ps.rcPaint.top,
 369              Ps.rcPaint.right - Ps.rcPaint.left + 1,
 370              Ps.rcPaint.bottom - Ps.rcPaint.top + 1, GuiData->MemoryDC,
 371              Ps.rcPaint.left, Ps.rcPaint.top, SRCCOPY);
 372
 373       if (GuiData->Selection.left != -1)
 374       {
 375         RECT rc = GuiData->Selection;
 376
 377         rc.left *= GuiData->CharWidth;
 378         rc.top *= GuiData->CharHeight;
 379         rc.right *= GuiData->CharWidth;
 380         rc.bottom *= GuiData->CharHeight;
 381
 382         if (IntersectRect(&rc, &Ps.rcPaint, &rc))
 383         {
 384           PatBlt(Dc, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, DSTINVERT);
 385         }
 386       }
 387
 388       EndPaint (hWnd, &Ps);
 389       LeaveCriticalSection(&GuiData->Lock);
 390     }
 391   else
 392     {
 393       Dc = BeginPaint (hWnd, &Ps);
 394       EndPaint (hWnd, &Ps);
 395     }
 396 }
 397
 398 static VOID FASTCALL
 399 GuiConsoleHandleKey(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 400 {
 401   PCSRSS_CONSOLE Console;
 402   PGUI_CONSOLE_DATA GuiData;
 403   MSG Message;
 404
 405   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 406   Message.hwnd = hWnd;
 407   Message.message = msg;
 408   Message.wParam = wParam;
 409   Message.lParam = lParam;
 410
 411   if(msg == WM_CHAR || msg == WM_SYSKEYDOWN)
 412   {
 413     /* clear the selection */
 414     GuiConsoleUpdateSelection(hWnd, NULL, GuiData);
 415   }
 416
 417   ConioProcessKey(&Message, Console, FALSE);
 418 }
 419
 420 static VOID FASTCALL
 421 GuiIntDrawRegion(PGUI_CONSOLE_DATA GuiData, HWND Wnd, RECT *Region)
 422 {
 423   RECT RegionRect;
 424
 425   RegionRect.left = Region->left * GuiData->CharWidth;
 426   RegionRect.top = Region->top * GuiData->CharHeight;
 427   RegionRect.right = (Region->right + 1) * GuiData->CharWidth;
 428   RegionRect.bottom = (Region->bottom + 1) * GuiData->CharHeight;
 429
 430   GuiConsoleUpdateBitmap(Wnd, RegionRect);
 431 }
 432
 433 static VOID STDCALL
 434 GuiDrawRegion(PCSRSS_CONSOLE Console, RECT *Region)
 435 {
 436   PGUI_CONSOLE_DATA GuiData = (PGUI_CONSOLE_DATA) Console->PrivateData;
 437
 438   if (NULL == Console->hWindow || NULL == GuiData)
 439     {
 440       return;
 441     }
 442
 443   GuiIntDrawRegion(GuiData, Console->hWindow, Region);
 444 }
 445
 446 static VOID FASTCALL
 447 GuiInvalidateCell(PGUI_CONSOLE_DATA GuiData, HWND Wnd, UINT x, UINT y)
 448 {
 449   RECT CellRect;
 450
 451   CellRect.left = x;
 452   CellRect.top = y;
 453   CellRect.right = x;
 454   CellRect.bottom = y;
 455
 456   GuiIntDrawRegion(GuiData, Wnd, &CellRect);
 457 }
 458
 459 static VOID STDCALL
 460 GuiWriteStream(PCSRSS_CONSOLE Console, RECT *Region, LONG CursorStartX, LONG CursorStartY,
 461                UINT ScrolledLines, CHAR *Buffer, UINT Length)
 462 {
 463   PGUI_CONSOLE_DATA GuiData = (PGUI_CONSOLE_DATA) Console->PrivateData;
 464   PCSRSS_SCREEN_BUFFER Buff = Console->ActiveBuffer;
 465   LONG CursorEndX, CursorEndY;
 466   RECT Source, Dest;
 467
 468   if (NULL == Console->hWindow || NULL == GuiData)
 469     {
 470       return;
 471     }
 472
 473   if (0 != ScrolledLines)
 474     {
 475       Source.left = 0;
 476       Source.top = ScrolledLines;
 477       Source.right = Console->Size.X - 1;
 478       Source.bottom = ScrolledLines + Region->top - 1;
 479       Dest.left = 0;
 480       Dest.top = 0;
 481       Dest.right = Console->Size.X - 1;
 482       Dest.bottom = Region->top - 1;
 483
 484       GuiConsoleCopyRegion(Console->hWindow, &Source, &Dest);
 485     }
 486
 487   GuiIntDrawRegion(GuiData, Console->hWindow, Region);
 488
 489   if (CursorStartX < Region->left || Region->right < CursorStartX
 490       || CursorStartY < Region->top || Region->bottom < CursorStartY)
 491     {
 492       GuiInvalidateCell(GuiData, Console->hWindow, CursorStartX, CursorStartY);
 493     }
 494
 495   ConioPhysicalToLogical(Buff, Buff->CurrentX, Buff->CurrentY,
 496                          &CursorEndX, &CursorEndY);
 497   if ((CursorEndX < Region->left || Region->right < CursorEndX
 498        || CursorEndY < Region->top || Region->bottom < CursorEndY)
 499       && (CursorEndX != CursorStartX || CursorEndY != CursorStartY))
 500     {
 501       GuiInvalidateCell(GuiData, Console->hWindow, CursorEndX, CursorEndY);
 502     }
 503 }
 504
 505 static BOOL STDCALL
 506 GuiSetCursorInfo(PCSRSS_CONSOLE Console, PCSRSS_SCREEN_BUFFER Buff)
 507 {
 508   RECT UpdateRect;
 509
 510   if (Console->ActiveBuffer == Buff)
 511     {
 512       ConioPhysicalToLogical(Buff, Buff->CurrentX, Buff->CurrentY,
 513                              &UpdateRect.left, &UpdateRect.top);
 514       UpdateRect.right = UpdateRect.left;
 515       UpdateRect.bottom = UpdateRect.top;
 516       ConioDrawRegion(Console, &UpdateRect);
 517     }
 518
 519   return TRUE;
 520 }
 521
 522 static BOOL STDCALL
 523 GuiSetScreenInfo(PCSRSS_CONSOLE Console, PCSRSS_SCREEN_BUFFER Buff, UINT OldCursorX, UINT OldCursorY)
 524 {
 525   RECT UpdateRect;
 526
 527   if (Console->ActiveBuffer == Buff)
 528     {
 529       /* Redraw char at old position (removes cursor) */
 530       UpdateRect.left = OldCursorX;
 531       UpdateRect.top = OldCursorY;
 532       UpdateRect.right = OldCursorX;
 533       UpdateRect.bottom = OldCursorY;
 534       ConioDrawRegion(Console, &UpdateRect);
 535       /* Redraw char at new position (shows cursor) */
 536       ConioPhysicalToLogical(Buff, Buff->CurrentX, Buff->CurrentY,
 537                              &(UpdateRect.left), &(UpdateRect.top));
 538       UpdateRect.right = UpdateRect.left;
 539       UpdateRect.bottom = UpdateRect.top;
 540       ConioDrawRegion(Console, &UpdateRect);
 541     }
 542
 543   return TRUE;
 544 }
 545
 546 static VOID FASTCALL
 547 GuiConsoleHandleTimer(HWND hWnd)
 548 {
 549   PCSRSS_CONSOLE Console;
 550   PGUI_CONSOLE_DATA GuiData;
 551   RECT CursorRect;
 552   ULONG CursorX, CursorY;
 553
 554   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 555   GuiData->CursorBlinkOn = ! GuiData->CursorBlinkOn;
 556
 557   GuiConsoleGetLogicalCursorPos(Console->ActiveBuffer, &CursorX, &CursorY);
 558   CursorRect.left = CursorX;
 559   CursorRect.top = CursorY;
 560   CursorRect.right = CursorX;
 561   CursorRect.bottom = CursorY;
 562   GuiDrawRegion(Console, &CursorRect);
 563 }
 564
 565 static VOID FASTCALL
 566 GuiConsoleHandleClose(HWND hWnd)
 567 {
 568   PCSRSS_CONSOLE Console;
 569   PGUI_CONSOLE_DATA GuiData;
 570   PLIST_ENTRY current_entry;
 571   PCSRSS_PROCESS_DATA current;
 572
 573   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 574
 575   EnterCriticalSection(&Console->Header.Lock);
 576
 577   current_entry = Console->ProcessList.Flink;
 578   while (current_entry != &Console->ProcessList)
 579     {
 580       current = CONTAINING_RECORD(current_entry, CSRSS_PROCESS_DATA, ProcessEntry);
 581       current_entry = current_entry->Flink;
 582
 583       ConioConsoleCtrlEvent(CTRL_CLOSE_EVENT, current);
 584     }
 585
 586   LeaveCriticalSection(&Console->Header.Lock);
 587 }
 588
 589 static VOID FASTCALL
 590 GuiConsoleHandleNcDestroy(HWND hWnd)
 591 {
 592   PCSRSS_CONSOLE Console;
 593   PGUI_CONSOLE_DATA GuiData;
 594
 595   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 596   KillTimer(hWnd, 1);
 597   Console->PrivateData = NULL;
 598   DeleteDC(GuiData->MemoryDC);
 599   DeleteCriticalSection(&GuiData->Lock);
 600   HeapFree(Win32CsrApiHeap, 0, GuiData);
 601 }
 602
 603 static VOID FASTCALL
 604 GuiConsoleLeftMouseDown(HWND hWnd, LPARAM lParam)
 605 {
 606   PCSRSS_CONSOLE Console;
 607   PGUI_CONSOLE_DATA GuiData;
 608   POINTS pt;
 609   RECT rc;
 610
 611   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 612   if (Console == NULL || GuiData == NULL) return;
 613
 614   pt = MAKEPOINTS(lParam);
 615
 616   rc.left = pt.x / GuiData->CharWidth;
 617   rc.top = pt.y / GuiData->CharHeight;
 618   rc.right = rc.left + 1;
 619   rc.bottom = rc.top + 1;
 620
 621   GuiData->SelectionStart.x = rc.left;
 622   GuiData->SelectionStart.y = rc.top;
 623
 624   SetCapture(hWnd);
 625
 626   GuiData->MouseDown = TRUE;
 627
 628   GuiConsoleUpdateSelection(hWnd, &rc, GuiData);
 629 }
 630
 631 static VOID FASTCALL
 632 GuiConsoleLeftMouseUp(HWND hWnd, LPARAM lParam)
 633 {
 634   PCSRSS_CONSOLE Console;
 635   PGUI_CONSOLE_DATA GuiData;
 636   RECT rc;
 637   POINTS pt;
 638
 639   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 640   if (Console == NULL || GuiData == NULL) return;
 641   if (GuiData->Selection.left == -1 || !GuiData->MouseDown) return;
 642
 643   pt = MAKEPOINTS(lParam);
 644
 645   rc.left = GuiData->SelectionStart.x;
 646   rc.top = GuiData->SelectionStart.y;
 647   rc.right = (pt.x >= 0 ? (pt.x / GuiData->CharWidth) + 1 : 0);
 648   rc.bottom = (pt.y >= 0 ? (pt.y / GuiData->CharHeight) + 1 : 0);
 649
 650   /* exchange left/top with right/bottom if required */
 651   if(rc.left >= rc.right)
 652   {
 653     LONG tmp;
 654     tmp = rc.left;
 655     rc.left = max(rc.right - 1, 0);
 656     rc.right = tmp + 1;
 657   }
 658   if(rc.top >= rc.bottom)
 659   {
 660     LONG tmp;
 661     tmp = rc.top;
 662     rc.top = max(rc.bottom - 1, 0);
 663     rc.bottom = tmp + 1;
 664   }
 665
 666   GuiData->MouseDown = FALSE;
 667
 668   GuiConsoleUpdateSelection(hWnd, &rc, GuiData);
 669
 670   ReleaseCapture();
 671 }
 672
 673 static VOID FASTCALL
 674 GuiConsoleMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
 675 {
 676   PCSRSS_CONSOLE Console;
 677   PGUI_CONSOLE_DATA GuiData;
 678   RECT rc;
 679   POINTS pt;
 680
 681   if (!(wParam & MK_LBUTTON)) return;
 682
 683   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 684   if (Console == NULL || GuiData == NULL || !GuiData->MouseDown) return;
 685
 686   pt = MAKEPOINTS(lParam);
 687
 688   rc.left = GuiData->SelectionStart.x;
 689   rc.top = GuiData->SelectionStart.y;
 690   rc.right = (pt.x >= 0 ? (pt.x / GuiData->CharWidth) + 1 : 0);
 691   rc.bottom = (pt.y >= 0 ? (pt.y / GuiData->CharHeight) + 1 : 0);
 692
 693   /* exchange left/top with right/bottom if required */
 694   if(rc.left >= rc.right)
 695   {
 696     LONG tmp;
 697     tmp = rc.left;
 698     rc.left = max(rc.right - 1, 0);
 699     rc.right = tmp + 1;
 700   }
 701   if(rc.top >= rc.bottom)
 702   {
 703     LONG tmp;
 704     tmp = rc.top;
 705     rc.top = max(rc.bottom - 1, 0);
 706     rc.bottom = tmp + 1;
 707   }
 708
 709   GuiConsoleUpdateSelection(hWnd, &rc, GuiData);
 710 }
 711
 712 static VOID FASTCALL
 713 GuiConsoleRightMouseDown(HWND hWnd)
 714 {
 715   PCSRSS_CONSOLE Console;
 716   PGUI_CONSOLE_DATA GuiData;
 717
 718   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
 719   if (Console == NULL || GuiData == NULL) return;
 720
 721   if (GuiData->Selection.left == -1)
 722   {
 723     /* FIXME - paste text from clipboard */
 724   }
 725   else
 726   {
 727     /* FIXME - copy selection to clipboard */
 728
 729     GuiConsoleUpdateSelection(hWnd, NULL, GuiData);
 730   }
 731
 732 }
 733
 734 static LRESULT CALLBACK
 735 GuiConsoleWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 736 {
 737   LRESULT Result = 0;
 738
 739   switch(msg)
 740     {
 741       case WM_NCCREATE:
 742         Result = (LRESULT) GuiConsoleHandleNcCreate(hWnd, (CREATESTRUCTW *) lParam);
 743         break;
 744       case WM_PAINT:
 745         GuiConsoleHandlePaint(hWnd);
 746         break;
 747       case WM_KEYDOWN:
 748       case WM_KEYUP:
 749       case WM_SYSKEYDOWN:
 750       case WM_SYSKEYUP:
 751       case WM_CHAR:
 752         GuiConsoleHandleKey(hWnd, msg, wParam, lParam);
 753         break;
 754       case WM_TIMER:
 755         GuiConsoleHandleTimer(hWnd);
 756         break;
 757       case WM_CLOSE:
 758         GuiConsoleHandleClose(hWnd);
 759         break;
 760       case WM_NCDESTROY:
 761         GuiConsoleHandleNcDestroy(hWnd);
 762         break;
 763       case WM_LBUTTONDOWN:
 764           GuiConsoleLeftMouseDown(hWnd, lParam);
 765         break;
 766       case WM_LBUTTONUP:
 767           GuiConsoleLeftMouseUp(hWnd, lParam);
 768         break;
 769       case WM_RBUTTONDOWN:
 770           GuiConsoleRightMouseDown(hWnd);
 771         break;
 772       case WM_MOUSEMOVE:
 773           GuiConsoleMouseMove(hWnd, wParam, lParam);
 774         break;
 775       default:
 776         Result = DefWindowProcW(hWnd, msg, wParam, lParam);
 777         break;
 778     }
 779
 780   return Result;
 781 }
 782
 783 static LRESULT CALLBACK
 784 GuiConsoleNotifyWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 785 {
 786   HWND NewWindow;
 787   LONG WindowCount;
 788   MSG Msg;
 789   PCSRSS_CONSOLE Console = (PCSRSS_CONSOLE) lParam;
 790
 791   switch(msg)
 792     {
 793       case WM_CREATE:
 794         SetWindowLongW(hWnd, GWL_USERDATA, 0);
 795         return 0;
 796       case PM_CREATE_CONSOLE:
 797         NewWindow = CreateWindowW(L"ConsoleWindowClass",
 798                                   Console->Title.Buffer,
 799                                   WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX,
 800                                   CW_USEDEFAULT,
 801                                   CW_USEDEFAULT,
 802                                   CW_USEDEFAULT,
 803                                   CW_USEDEFAULT,
 804                                   NULL,
 805                                   NULL,
 806                                   (HINSTANCE) GetModuleHandleW(NULL),
 807                                   (PVOID) Console);
 808         Console->hWindow = NewWindow;
 809         if (NULL != NewWindow)
 810           {
 811             SetWindowLongW(hWnd, GWL_USERDATA, GetWindowLongW(hWnd, GWL_USERDATA) + 1);
 812             ShowWindow(NewWindow, SW_SHOW);
 813           }
 814         return (LRESULT) NewWindow;
 815       case PM_DESTROY_CONSOLE:
 816         /* Window creation is done using a PostMessage(), so it's possible that the
 817          * window that we want to destroy doesn't exist yet. So first empty the message
 818          * queue */
 819         while(PeekMessageW(&Msg, NULL, 0, 0, PM_REMOVE))
 820           {
 821             TranslateMessage(&Msg);
 822             DispatchMessageW(&Msg);
 823           }
 824         DestroyWindow(Console->hWindow);
 825         Console->hWindow = NULL;
 826         WindowCount = GetWindowLongW(hWnd, GWL_USERDATA);
 827         WindowCount--;
 828         SetWindowLongW(hWnd, GWL_USERDATA, WindowCount);
 829         if (0 == WindowCount)
 830           {
 831             NotifyWnd = NULL;
 832             DestroyWindow(hWnd);
 833             PrivateCsrssManualGuiCheck(-1);
 834             PostQuitMessage(0);
 835           }
 836         return 0;
 837       default:
 838         return DefWindowProcW(hWnd, msg, wParam, lParam);
 839     }
 840 }
 841
 842 static DWORD STDCALL
 843 GuiConsoleGuiThread(PVOID Data)
 844 {
 845   MSG msg;
 846   PHANDLE GraphicsStartupEvent = (PHANDLE) Data;
 847
 848   NotifyWnd = CreateWindowW(L"Win32CsrCreateNotify",
 849                             L"",
 850                             WS_OVERLAPPEDWINDOW,
 851                             CW_USEDEFAULT,
 852                             CW_USEDEFAULT,
 853                             CW_USEDEFAULT,
 854                             CW_USEDEFAULT,
 855                             NULL,
 856                             NULL,
 857                             (HINSTANCE) GetModuleHandleW(NULL),
 858                             NULL);
 859   if (NULL == NotifyWnd)
 860     {
 861       PrivateCsrssManualGuiCheck(-1);
 862       SetEvent(*GraphicsStartupEvent);
 863       return 1;
 864     }
 865
 866   SetEvent(*GraphicsStartupEvent);
 867
 868   while(GetMessageW(&msg, NULL, 0, 0))
 869     {
 870       TranslateMessage(&msg);
 871       DispatchMessageW(&msg);
 872     }
 873
 874   return 1;
 875 }
 876
 877 static BOOL FASTCALL
 878 GuiInit(VOID)
 879 {
 880   WNDCLASSEXW wc;
 881
 882   if (NULL == NotifyWnd)
 883     {
 884       PrivateCsrssManualGuiCheck(+1);
 885     }
 886
 887   wc.cbSize = sizeof(WNDCLASSEXW);
 888   wc.lpszClassName = L"Win32CsrCreateNotify";
 889   wc.lpfnWndProc = GuiConsoleNotifyWndProc;
 890   wc.style = 0;
 891   wc.hInstance = (HINSTANCE) GetModuleHandleW(NULL);
 892   wc.hIcon = NULL;
 893   wc.hCursor = NULL;
 894   wc.hbrBackground = NULL;
 895   wc.lpszMenuName = NULL;
 896   wc.cbClsExtra = 0;
 897   wc.cbWndExtra = 0;
 898   wc.hIconSm = NULL;
 899   if (RegisterClassExW(&wc) == 0)
 900     {
 901       DPRINT1("Failed to register notify wndproc\n");
 902       return FALSE;
 903     }
 904
 905   wc.cbSize = sizeof(WNDCLASSEXW);
 906   wc.lpszClassName = L"ConsoleWindowClass";
 907   wc.lpfnWndProc = GuiConsoleWndProc;
 908   wc.style = 0;
 909   wc.hInstance = (HINSTANCE) GetModuleHandleW(NULL);
 910   wc.hIcon = LoadIconW(Win32CsrDllHandle, MAKEINTRESOURCEW(1));
 911   wc.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_ARROW));
 912   wc.hbrBackground = NULL;
 913   wc.lpszMenuName = NULL;
 914   wc.cbClsExtra = 0;
 915   wc.cbWndExtra = 0;
 916   wc.hIconSm = LoadImageW(Win32CsrDllHandle, MAKEINTRESOURCEW(1), IMAGE_ICON,
 917                           GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
 918                           LR_SHARED);
 919   if (RegisterClassExW(&wc) == 0)
 920     {
 921       DPRINT1("Failed to register console wndproc\n");
 922       return FALSE;
 923     }
 924
 925   return TRUE;
 926 }
 927
 928 static VOID STDCALL
 929 GuiInitScreenBuffer(PCSRSS_CONSOLE Console, PCSRSS_SCREEN_BUFFER Buffer)
 930 {
 931   Buffer->DefaultAttrib = 0x0f;
 932 }
 933
 934 STATIC BOOL STDCALL
 935 GuiChangeTitle(PCSRSS_CONSOLE Console)
 936 {
 937   SendMessageW(Console->hWindow, WM_SETTEXT, 0, (LPARAM) Console->Title.Buffer);
 938
 939   return TRUE;
 940 }
 941
 942 STATIC BOOL STDCALL
 943 GuiChangeIcon(PCSRSS_CONSOLE Console)
 944 {
 945   SendMessageW(Console->hWindow, WM_SETICON, ICON_BIG, (LPARAM)Console->hWindowIcon);
 946   SendMessageW(Console->hWindow, WM_SETICON, ICON_SMALL, (LPARAM)Console->hWindowIcon);
 947
 948   return TRUE;
 949 }
 950
 951 static VOID STDCALL
 952 GuiCleanupConsole(PCSRSS_CONSOLE Console)
 953 {
 954   SendMessageW(NotifyWnd, PM_DESTROY_CONSOLE, 0, (LPARAM) Console);
 955 }
 956
 957 static CSRSS_CONSOLE_VTBL GuiVtbl =
 958 {
 959   GuiInitScreenBuffer,
 960   GuiWriteStream,
 961   GuiDrawRegion,
 962   GuiSetCursorInfo,
 963   GuiSetScreenInfo,
 964   GuiChangeTitle,
 965   GuiCleanupConsole,
 966   GuiChangeIcon
 967 };
 968
 969 NTSTATUS FASTCALL
 970 GuiInitConsole(PCSRSS_CONSOLE Console)
 971 {
 972   HANDLE GraphicsStartupEvent;
 973   HANDLE ThreadHandle;
 974
 975   if (! ConsInitialized)
 976     {
 977       ConsInitialized = TRUE;
 978       if (! GuiInit())
 979         {
 980           ConsInitialized = FALSE;
 981           return STATUS_UNSUCCESSFUL;
 982         }
 983     }
 984
 985   Console->Vtbl = &GuiVtbl;
 986   Console->Size.X = 80;
 987   Console->Size.Y = 25;
 988   if (NULL == NotifyWnd)
 989     {
 990       GraphicsStartupEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 991       if (NULL == GraphicsStartupEvent)
 992         {
 993           return STATUS_UNSUCCESSFUL;
 994         }
 995
 996       ThreadHandle = CreateThread(NULL,
 997                                   0,
 998                                   GuiConsoleGuiThread,
 999                                   (PVOID) &GraphicsStartupEvent,
1000                                   0,
1001                                   NULL);
1002       if (NULL == ThreadHandle)
1003         {
1004           NtClose(GraphicsStartupEvent);
1005           DPRINT1("Win32Csr: Failed to create graphics console thread. Expect problems\n");
1006           return STATUS_UNSUCCESSFUL;
1007         }
1008       SetThreadPriority(ThreadHandle, THREAD_PRIORITY_HIGHEST);
1009       CloseHandle(ThreadHandle);
1010
1011       WaitForSingleObject(GraphicsStartupEvent, INFINITE);
1012       CloseHandle(GraphicsStartupEvent);
1013
1014       if (NULL == NotifyWnd)
1015         {
1016           DPRINT1("Win32Csr: Failed to create notification window.\n");
1017           return STATUS_UNSUCCESSFUL;
1018         }
1019     }
1020
1021   PostMessageW(NotifyWnd, PM_CREATE_CONSOLE, 0, (LPARAM) Console);
1022
1023   return STATUS_SUCCESS;
1024 }
1025
1026 VOID STDCALL
1027 GuiConsoleCopyRegion(HWND hWnd,
1028                      RECT *Source,
1029                      RECT *Dest)
1030 {
1031   RECT ScrollRect;
1032   PGUI_CONSOLE_DATA GuiData;
1033   PCSRSS_CONSOLE Console;
1034
1035
1036   GuiConsoleGetDataPointers(hWnd, &Console, &GuiData);
1037
1038   ScrollRect.left = Dest->left * GuiData->CharWidth;
1039   ScrollRect.right = (Dest->right + 1) * GuiData->CharWidth;
1040   ScrollRect.top = Dest->top * GuiData->CharHeight;
1041   ScrollRect.bottom = (Dest->bottom + 1) * GuiData->CharHeight;
1042   EnterCriticalSection(&GuiData->Lock);
1043   BitBlt(GuiData->MemoryDC, ScrollRect.left, ScrollRect.top,
1044          ScrollRect.right - ScrollRect.left, ScrollRect.bottom - ScrollRect.top,
1045          GuiData->MemoryDC, Source->left * GuiData->CharWidth, Source->top * GuiData->CharHeight, SRCCOPY);
1046
1047   LeaveCriticalSection(&GuiData->Lock);
1048
1049   InvalidateRect(hWnd, &ScrollRect, FALSE);
1050 }
1051
1052 /* EOF */