qtwin.cpp

ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机理和API函数调用几乎相同。甚至可以兼容XP的程序。喜欢研究系统内核的人可以看一看。

/* -*- c-basic-offset: 8 -*-
   rdesktop: A Remote Desktop Protocol client.
   User interface services - QT Window System
   Copyright (C) Jay Sorg 2004-2006

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "rdesktop.h"

#include <qapplication.h>
#include <qmainwindow.h>
#include <qwidget.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qbrush.h>
#include <qimage.h>
#include <qbitmap.h>
#include <qcursor.h>
#include <qsocketnotifier.h>
#include <qscrollview.h>
#include <qfile.h>

#include "qtwin.h"

#include <unistd.h> // gethostname
#include <pwd.h> // getpwuid
#include <stdarg.h> // va_list va_start va_end

#include <errno.h>
#include <fcntl.h>

/* rdesktop globals */
extern int g_tcp_port_rdp;
int g_use_rdp5 = 1;
char g_hostname[16];
char g_username[64];
int g_height = 600;
int g_width = 800;
int g_server_depth = 8;
int g_encryption = 1;
int g_desktop_save = 1;
int g_polygon_ellipse_orders = 0;
int g_bitmap_cache = 1;
int g_bitmap_cache_persist_enable = False;
int g_bitmap_cache_precache = True;
int g_bitmap_compression = 1;
int g_rdp5_performanceflags = 0;
int g_console_session = 0;
int g_keylayout = 0x409; /* Defaults to US keyboard layout */
int g_keyboard_type = 0x4; /* Defaults to US keyboard layout */
int g_keyboard_subtype = 0x0; /* Defaults to US keyboard layout */
int g_keyboard_functionkeys = 0xc; /* Defaults to US keyboard layout */

/* hack globals */
static int g_argc = 0;
static char ** g_argv = 0;
static int g_UpAndRunning = 0;
static int g_sock = 0;
static int g_deactivated = 0;
static uint32 g_ext_disc_reason = 0;
static char g_servername[128];
static char g_title[128] = "";
static int g_flags = RDP_LOGON_NORMAL;

#ifdef WITH_RDPSND
extern int g_dsp_busy;
extern int g_dsp_fd;
static int g_rdpsnd = 0;
static QSocketNotifier * g_SoundNotifier = 0;
#endif

/* qt globals */
static QSocketNotifier * g_SocketNotifier = 0;
static QApplication * g_App = 0;
static QMyMainWindow * g_MW = 0;
static QMyScrollView * g_SV = 0;
static QPixmap * g_BS = 0;
static QPixmap * g_DS = 0;
static QPainter * g_P1 = 0;
static QPainter * g_P2 = 0;
static QColor g_Color1;
static QColor g_Color2;

struct QColorMap
{
  uint32 RGBColors[256];
  int NumColors;
};
static struct QColorMap * g_CM = 0;
static QRegion * g_ClipRect;

static Qt::RasterOp g_OpCodes[16] = {
    Qt::ClearROP,        // BLACKNESS     0
    Qt::NorROP,          // NOTSRCERASE   DSon
    Qt::NotAndROP,       //               DSna
    Qt::NotCopyROP,      // NOTSRCCOPY    Sn
    Qt::AndNotROP,       // SRCERASE      SDna
    Qt::NotROP,          // DSTINVERT     Dn
    Qt::XorROP,          // SRCINVERT     DSx
    Qt::NandROP,         //               DSan
    Qt::AndROP,          // SRCAND        DSa
    Qt::NotXorROP,       //               DSxn
    Qt::NopROP,          //               D
    Qt::NotOrROP,        // MERGEPAINT    DSno
    Qt::CopyROP,         // SRCCOPY       S
    Qt::OrNotROP,        //               SDno
    Qt::OrROP,           // SRCPAINT      DSo
    Qt::SetROP};         // WHITENESS     1

/* Session Directory redirection */
BOOL g_redirect = False;
char g_redirect_server[64];
char g_redirect_domain[16];
char g_redirect_password[64];
char g_redirect_username[64];
char g_redirect_cookie[128];
uint32 g_redirect_flags = 0;

//*****************************************************************************
uint32 Color15to32(uint32 InColor)
{
  uint32 r, g, b;

  r = (InColor & 0x7c00) >> 10;
  r = (r * 0xff) / 0x1f;
  g = (InColor & 0x03e0) >> 5;
  g = (g * 0xff) / 0x1f;
  b = (InColor & 0x001f);
  b = (b * 0xff) / 0x1f;
  return (r << 16) | (g << 8) | b;
}

//*****************************************************************************
uint32 Color16to32(uint32 InColor)
{
  uint32 r, g, b;

  r = (InColor & 0xf800) >> 11;
  r = (r * 0xff) / 0x1f;
  g = (InColor & 0x07e0) >> 5;
  g = (g * 0xff) / 0x3f;
  b = (InColor & 0x001f);
  b = (b * 0xff) / 0x1f;
  return (r << 16) | (g << 8) | b;
}

//*****************************************************************************
uint32 Color24to32(uint32 InColor)
{
  return ((InColor & 0x00ff0000) >> 16) |
         ((InColor & 0x000000ff) << 16) |
          (InColor & 0x0000ff00);
}

//*****************************************************************************
void SetColorx(QColor * Color, uint32 InColor)
{
  switch (g_server_depth)
  {
    case 8:
      if (g_CM == NULL || InColor > 255)
      {
        Color->setRgb(0);
        return;
      }
      Color->setRgb(g_CM->RGBColors[InColor]);
      break;
    case 15:
      Color->setRgb(Color15to32(InColor));
      break;
    case 16:
      Color->setRgb(Color16to32(InColor));
      break;
    case 24:
      Color->setRgb(Color24to32(InColor));
      break;
    default:
      Color->setRgb(0);
  }
}

//*****************************************************************************
void SetOpCode(int opcode)
{
  if (opcode >= 0 && opcode < 16)
  {
    Qt::RasterOp op = g_OpCodes[opcode];
    if (op != Qt::CopyROP)
    {
      g_P1->setRasterOp(op);
      g_P2->setRasterOp(op);
    }
  }
}

//*****************************************************************************
void ResetOpCode(int opcode)
{
  if (opcode >= 0 && opcode < 16)
  {
    Qt::RasterOp op = g_OpCodes[opcode];
    if (op != Qt::CopyROP)
    {
      g_P1->setRasterOp(Qt::CopyROP);
      g_P2->setRasterOp(Qt::CopyROP);
    }
  }
}

/*****************************************************************************/
QMyMainWindow::QMyMainWindow(): QWidget()
{
}

/*****************************************************************************/
QMyMainWindow::~QMyMainWindow()
{
}

//*****************************************************************************
void QMyMainWindow::mouseMoveEvent(QMouseEvent * e)
{
  if (!g_UpAndRunning)
  {
    return;
  }
  rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_MOVE, e->x(), e->y());
}

//*****************************************************************************
void QMyMainWindow::mousePressEvent(QMouseEvent * e)
{
  if (!g_UpAndRunning)
  {
    return;
  }
  if (e->button() == LeftButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_DOWN | MOUSE_FLAG_BUTTON1,
                   e->x(), e->y());
  }
  else if (e->button() == RightButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_DOWN | MOUSE_FLAG_BUTTON2,
                   e->x(), e->y());
  }
  else if (e->button() == MidButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_DOWN | MOUSE_FLAG_BUTTON3,
                   e->x(), e->y());
  }
}

//*****************************************************************************
void QMyMainWindow::mouseReleaseEvent(QMouseEvent * e)
{
  if (!g_UpAndRunning)
  {
    return;
  }
  if (e->button() == LeftButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_BUTTON1, e->x(), e->y());
  }
  else if (e->button() == RightButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_BUTTON2, e->x(), e->y());
  }
  else if (e->button() == MidButton)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_BUTTON3, e->x(), e->y());
  }
}

//*****************************************************************************
void QMyMainWindow::wheelEvent(QWheelEvent * e)
{
  if (!g_UpAndRunning)
  {
    return;
  }
  if (e->delta() > 0)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_BUTTON4, e->x(), e->y());
  }
  else if (e->delta() < 0)
  {
    rdp_send_input(0, RDP_INPUT_MOUSE, MOUSE_FLAG_BUTTON5, e->x(), e->y());
  }
}

//*****************************************************************************
int GetScanCode(QKeyEvent* e)
{
  int Key = e->key();
  int ScanCode = 0;
  Qt::ButtonState bs = e->state();
  if (!(bs & Qt::ShiftButton)) // shift is not down
  {
    if (Key == 42) // *
      return 0x37;
    if (Key == 43) // +
      return 0x4e;
  }
  switch (Key)
  {
    case 4100: ScanCode = 0x1c; break; // enter
    case 4101: ScanCode = 0x1c; break;
    case 4117: ScanCode = 0xd0; break; // down arrow
    case 4115: ScanCode = 0xc8; break; // up arrow
    case 4114: ScanCode = 0xcb; break; // left arrow
    case 4116: ScanCode = 0xcd; break; // right arrow
    case 4112: ScanCode = 0xc7; break; // home
    case 4113: ScanCode = 0xcf; break; // end
    case 4102: ScanCode = 0xd2; break; // insert
    case 4103: ScanCode = 0xd3; break; // delete
    case 4118: ScanCode = 0xc9; break; // page up
    case 4119: ScanCode = 0xd1; break; // page down
    case 4143: ScanCode = 0x00; break; // num lock
    case 47:   ScanCode = 0x35; break; // /
    case 42:   ScanCode = 0x37; break; // *
    case 45:   ScanCode = 0x0c; break; // -
    case 95:   ScanCode = 0x0c; break; // _
    case 43:   ScanCode = 0x0d; break; // +
    case 46:   ScanCode = 0x34; break; // .
    case 48:   ScanCode = 0x0b; break; // 0
    case 41:   ScanCode = 0x0b; break; // )
    case 49:   ScanCode = 0x02; break; // 1
    case 33:   ScanCode = 0x02; break; // !
    case 50:   ScanCode = 0x03; break; // 2
    case 64:   ScanCode = 0x03; break; // @
    case 51:   ScanCode = 0x04; break; // 3
    case 35:   ScanCode = 0x04; break; // #
    case 52:   ScanCode = 0x05; break; // 4
    case 36:   ScanCode = 0x05; break; // $
    case 53:   ScanCode = 0x06; break; // 5
    case 37:   ScanCode = 0x06; break; // %
    case 54:   ScanCode = 0x07; break; // 6
    case 94:   ScanCode = 0x07; break; // ^
    case 55:   ScanCode = 0x08; break; // 7
    case 38:   ScanCode = 0x08; break; // &
    case 56:   ScanCode = 0x09; break; // 8
    case 57:   ScanCode = 0x0a; break; // 9
    case 40:   ScanCode = 0x0a; break; // (
    case 61:   ScanCode = 0x0d; break; // =
    case 65:   ScanCode = 0x1e; break; // a
    case 66:   ScanCode = 0x30; break; // b
    case 67:   ScanCode = 0x2e; break; // c
    case 68:   ScanCode = 0x20; break; // d
    case 69:   ScanCode = 0x12; break; // e
    case 70:   ScanCode = 0x21; break; // f
    case 71:   ScanCode = 0x22; break; // g
    case 72:   ScanCode = 0x23; break; // h
    case 73:   ScanCode = 0x17; break; // i
    case 74:   ScanCode = 0x24; break; // j
    case 75:   ScanCode = 0x25; break; // k
    case 76:   ScanCode = 0x26; break; // l
    case 77:   ScanCode = 0x32; break; // m
    case 78:   ScanCode = 0x31; break; // n
    case 79:   ScanCode = 0x18; break; // o
    case 80:   ScanCode = 0x19; break; // p
    case 81:   ScanCode = 0x10; break; // q
    case 82:   ScanCode = 0x13; break; // r
    case 83:   ScanCode = 0x1f; break; // s
    case 84:   ScanCode = 0x14; break; // t
    case 85:   ScanCode = 0x16; break; // u
    case 86:   ScanCode = 0x2f; break; // v
    case 87:   ScanCode = 0x11; break; // w
    case 88:   ScanCode = 0x2d; break; // x
    case 89:   ScanCode = 0x15; break; // y
    case 90:   ScanCode = 0x2c; break; // z
    case 32:   ScanCode = 0x39; break; // space
    case 44:   ScanCode = 0x33; break; // ,
    case 60:   ScanCode = 0x33; break; // <
    case 62:   ScanCode = 0x34; break; // >
    case 63:   ScanCode = 0x35; break; // ?
    case 92:   ScanCode = 0x2b; break; // backslash
    case 124:  ScanCode = 0x2b; break; // bar
    case 4097: ScanCode = 0x0f; break; // tab
    case 4132: ScanCode = 0x3a; break; // caps lock
    case 4096: ScanCode = 0x01; break; // esc
    case 59:   ScanCode = 0x27; break; // ;
    case 58:   ScanCode = 0x27; break; // :
    case 39:   ScanCode = 0x28; break; // '
    case 34:   ScanCode = 0x28; break; // "
    case 91:   ScanCode = 0x1a; break; // [
    case 123:  ScanCode = 0x1a; break; // {
    case 93:   ScanCode = 0x1b; break; // ]
    case 125:  ScanCode = 0x1b; break; // }
    case 4144: ScanCode = 0x3b; break; // f1
    case 4145: ScanCode = 0x3c; break; // f2
    case 4146: ScanCode = 0x3d; break; // f3
    case 4147: ScanCode = 0x3e; break; // f4
    case 4148: ScanCode = 0x3f; break; // f5
    case 4149: ScanCode = 0x40; break; // f6
    case 4150: ScanCode = 0x41; break; // f7
    case 4151: ScanCode = 0x42; break; // f8
    case 4152: ScanCode = 0x43; break; // f9
    case 4153: ScanCode = 0x44; break; // f10
    case 4154: ScanCode = 0x57; break; // f11
    case 4155: ScanCode = 0x58; break; // f12
    case 4128: ScanCode = 0x2a; break; // shift
    case 4131: ScanCode = 0x38; break; // alt
    case 4129: ScanCode = 0x1d; break; // ctrl
    case 96:   ScanCode = 0x29; break; // `
    case 126:  ScanCode = 0x29; break; // ~
    case 4099: ScanCode = 0x0e; break; // backspace
  }
//  if (ScanCode == 0)
//    printf("key %d scancode %d\n", Key, ScanCode);
  return ScanCode;
}

//*****************************************************************************
void QMyMainWindow::keyPressEvent(QKeyEvent* e)
{
  if (!g_UpAndRunning)
    return;
  int ScanCode = GetScanCode(e);
  if (ScanCode != 0)
  {
    rdp_send_input(0, RDP_INPUT_SCANCODE, RDP_KEYPRESS, ScanCode, 0);
    e->accept();
  }
}

//*****************************************************************************
void QMyMainWindow::keyReleaseEvent(QKeyEvent* e)
{
  if (!g_UpAndRunning)
  {
    return;
  }
  int ScanCode = GetScanCode(e);
  if (ScanCode != 0)
  {
    rdp_send_input(0, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, ScanCode, 0);
    e->accept();
  }
}

//*****************************************************************************
void QMyMainWindow::paintEvent(QPaintEvent * pe)
{