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。

  QRect Rect;

  Rect = pe->rect();
  bitBlt(this, Rect.left(), Rect.top(), g_BS, Rect.left(), Rect.top(),
         Rect.width(), Rect.height());
}

//*****************************************************************************
void QMyMainWindow::closeEvent(QCloseEvent * e)
{
  e->accept();
}

//*****************************************************************************
bool QMyMainWindow::event(QEvent * e)
{
  return QWidget::event(e);
}

//*****************************************************************************
void QMyMainWindow::dataReceived()
{
  if (!rdp_loop(&g_deactivated, &g_ext_disc_reason))
  {
    g_SV->close();
  }
#ifdef WITH_RDPSND
  if (g_dsp_busy)
  {
    if (g_SoundNotifier == 0)
    {
      g_SoundNotifier = new QSocketNotifier(g_dsp_fd, QSocketNotifier::Write,
                                            g_MW);
      g_MW->connect(g_SoundNotifier, SIGNAL(activated(int)), g_MW,
                    SLOT(soundSend()));
    }
    else
    {
      if (!g_SoundNotifier->isEnabled())
      {
        g_SoundNotifier->setEnabled(true);
      }
    }
  }
#endif
}

/******************************************************************************/
void QMyMainWindow::soundSend()
{
#ifdef WITH_RDPSND
  g_SoundNotifier->setEnabled(false);
  wave_out_play();
  if (g_dsp_busy)
  {
    g_SoundNotifier->setEnabled(true);
  }
#endif
}

//*****************************************************************************
void QMyScrollView::keyPressEvent(QKeyEvent * e)
{
  g_MW->keyPressEvent(e);
}

//*****************************************************************************
void QMyScrollView::keyReleaseEvent(QKeyEvent * e)
{
  g_MW->keyReleaseEvent(e);
}


//*****************************************************************************
void ui_begin_update(void)
{
  g_P1->begin(g_MW);
  g_P2->begin(g_BS);
}

//*****************************************************************************
void ui_end_update(void)
{
  g_P1->end();
  g_P2->end();
}

/*****************************************************************************/
int ui_init(void)
{
  g_App = new QApplication(g_argc, g_argv);
  return 1;
}

/*****************************************************************************/
void ui_deinit(void)
{
  delete g_App;
}

/*****************************************************************************/
int ui_create_window(void)
{
  int w, h;
  QPainter * painter;
  QWidget * desktop;

  g_MW = new QMyMainWindow();
  g_SV = new QMyScrollView();
  g_SV->addChild(g_MW);
  g_BS = new QPixmap(g_width, g_height);
  painter = new QPainter(g_BS);
  painter->fillRect(0, 0, g_width, g_height, QBrush(QColor("white")));
  painter->fillRect(0, 0, g_width, g_height, QBrush(QBrush::CrossPattern));
  delete painter;
  g_DS = new QPixmap(480, 480);
  g_P1 = new QPainter();
  g_P2 = new QPainter();
  g_ClipRect = new QRegion(0, 0, g_width, g_height);
  desktop = QApplication::desktop();
  w = desktop->width();              // returns screen width
  h = desktop->height();             // returns screen height
  g_MW->resize(g_width, g_height);
  if (w < g_width || h < g_height)
  {
    g_SV->resize(w, h);
  }
  else
  {
    g_SV->resize(g_width + 4, g_height + 4);
  }
  g_SV->setMaximumWidth(g_width + 4);
  g_SV->setMaximumHeight(g_height + 4);
  g_App->setMainWidget(g_SV);
  g_SV->show();
  g_MW->setMouseTracking(true);
  if (g_title[0] != 0)
  {
    g_SV->setCaption(g_title);
  }

/*  XGrayKey(0, 64, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 113, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 37, AnyModifie, SV-winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 109, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 115, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 116, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 117, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 62, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);
  XGrayKey(0, 50, AnyModifie, SV->winId(), 0, GrabModeAsync, GrabModeAsync);*/

  return 1;
}

//*****************************************************************************
void ui_main_loop(void)
{
#ifdef WITH_RDPSND
  // init sound
  if (g_rdpsnd)
  {
    rdpsnd_init();
  }
#endif
  // connect
  if (!rdp_connect(g_servername, g_flags, "", "", "", ""))
  {
    return;
  }
  // start notifier
  g_SocketNotifier = new QSocketNotifier(g_sock, QSocketNotifier::Read, g_MW);
  g_MW->connect(g_SocketNotifier, SIGNAL(activated(int)),
                g_MW, SLOT(dataReceived()));
  g_UpAndRunning = 1;
  // app main loop
  g_App->exec();
}

//*****************************************************************************
void ui_destroy_window(void)
{
  delete g_MW;
  delete g_SV;
  delete g_BS;
  delete g_DS;
  delete g_P1;
  delete g_P2;
  delete g_ClipRect;
}

/*****************************************************************************/
void ui_bell(void)
{
}

/*****************************************************************************/
int ui_select(int in_val)
{
  if (g_sock == 0)
  {
    g_sock = in_val;
  }
  return 1;
}

/*****************************************************************************/
void ui_destroy_cursor(void * cursor)
{
  QCursor * Cursor;
  Cursor = (QCursor*)cursor;
  if (Cursor != NULL)
  {
    delete Cursor;
  }
}

/*****************************************************************************/
void* ui_create_glyph(int width, int height, uint8 * data)
{
  QBitmap * Bitmap;
  Bitmap = new QBitmap(width, height, data);
  Bitmap->setMask(*Bitmap);
  return (HGLYPH)Bitmap;
}

/*****************************************************************************/
void ui_destroy_glyph(void * glyph)
{
  QBitmap* Bitmap;
  Bitmap = (QBitmap*)glyph;
  delete Bitmap;
}

/*****************************************************************************/
void ui_destroy_bitmap(void * bmp)
{
  QPixmap * Pixmap;
  Pixmap = (QPixmap*)bmp;
  delete Pixmap;
}

/*****************************************************************************/
void ui_reset_clip(void)
{
  g_P1->setClipRect(0, 0, g_width, g_height);
  g_P2->setClipRect(0, 0, g_width, g_height);
  delete g_ClipRect;
  g_ClipRect = new QRegion(0, 0, g_width, g_height);
}

/*****************************************************************************/
void ui_set_clip(int x, int y, int cx, int cy)
{
  g_P1->setClipRect(x, y, cx, cy);
  g_P2->setClipRect(x, y, cx, cy);
  delete g_ClipRect;
  g_ClipRect = new QRegion(x, y, cx, cy);
}

/*****************************************************************************/
void * ui_create_colourmap(COLOURMAP * colours)
{
  QColorMap* LCM;
  int i, r, g, b;
  LCM = (QColorMap*)malloc(sizeof(QColorMap));
  memset(LCM, 0, sizeof(QColorMap));
  i = 0;
  while (i < colours->ncolours && i < 256)
  {
    r = colours->colours[i].red;
    g = colours->colours[i].green;
    b = colours->colours[i].blue;
    LCM->RGBColors[i] = (r << 16) | (g << 8) | b;
    i++;
  }
  LCM->NumColors = colours->ncolours;
  return LCM;
}

//*****************************************************************************
// todo, does this leak at end of program
void ui_destroy_colourmap(HCOLOURMAP map)
{
  QColorMap * LCM;
  LCM = (QColorMap*)map;
  if (LCM == NULL)
    return;
  free(LCM);
}

/*****************************************************************************/
void ui_set_colourmap(void * map)
{
  // destoy old colormap
  ui_destroy_colourmap(g_CM);
  g_CM = (QColorMap*)map;
}

/*****************************************************************************/
HBITMAP ui_create_bitmap(int width, int height, uint8 * data)
{
  QImage * Image = NULL;
  QPixmap * Pixmap;
  uint32 * d = NULL;
  uint16 * s;
  int i;

  switch (g_server_depth)
  {
    case 8:
      Image = new QImage(data, width, height, 8, (QRgb*)&g_CM->RGBColors,
                         g_CM->NumColors, QImage::IgnoreEndian);
      break;
    case 15:
      d = (uint32*)malloc(width * height * 4);
      s = (uint16*)data;
      for (i = 0; i < width * height; i++)
      {
        d[i] = Color15to32(s[i]);
      }
      Image = new QImage((uint8*)d, width, height, 32, NULL,
                         0, QImage::IgnoreEndian);
      break;
    case 16:
      d = (uint32*)malloc(width * height * 4);
      s = (uint16*)data;
      for (i = 0; i < width * height; i++)
      {
        d[i] = Color16to32(s[i]);
      }
      Image = new QImage((uint8*)d, width, height, 32, NULL,
                         0, QImage::IgnoreEndian);
      break;
    case 24:
      d = (uint32*)malloc(width * height * 4);
      memset(d, 0, width * height * 4);
      for (i = 0; i < width * height; i++)
      {
        memcpy(d + i, data + i * 3, 3);
      }
      Image = new QImage((uint8*)d, width, height, 32, NULL,
                         0, QImage::IgnoreEndian);
      break;
  }
  if (Image == NULL)
  {
    return NULL;
  }
  Pixmap = new QPixmap();
  Pixmap->convertFromImage(*Image);
  delete Image;
  if (d != NULL)
  {
    free(d);
  }
  return (HBITMAP)Pixmap;
}

//******************************************************************************
// adjust coordinates for cliping rect
int WarpCoords(int * x, int * y, int * cx, int * cy, int * srcx, int * srcy)
{
  int dx, dy;
  QRect InRect(*x, *y, *cx, *cy);
  QRect OutRect;
  QRect CRect = g_ClipRect->boundingRect();
  OutRect = InRect.intersect(CRect);
  if (OutRect.isEmpty())
  {
    return False;
  }
  dx = OutRect.x() - InRect.x();
  dy = OutRect.y() - InRect.y();
  *x = OutRect.x();
  *y = OutRect.y();
  *cx = OutRect.width();
  *cy = OutRect.height();
  *srcx = *srcx + dx;
  *srcy = *srcy + dy;
  return True;
}

//******************************************************************************
// needed because bitBlt don't seem to care about clipping rects
// also has 2 dsts and src can be null
void bitBltClip(QPaintDevice * dst1, QPaintDevice * dst2, int dx, int dy,
                QPaintDevice * src, int sx, int sy, int sw, int sh,
                Qt::RasterOp rop, bool im)
{
  if (WarpCoords(&dx, &dy, &sw, &sh, &sx, &sy))
  {
    if (dst1 != NULL)
    {
      if (src == NULL)
      {
        bitBlt(dst1, dx, dy, dst1, sx, sy, sw, sh, rop, im);
      }
      else
      {
        bitBlt(dst1, dx, dy, src, sx, sy, sw, sh, rop, im);
      }
    }
    if (dst2 != NULL)
    {
      if (src == NULL)
      {
        bitBlt(dst2, dx, dy, dst2, sx, sy, sw, sh, rop, im);
      }
      else
      {
        bitBlt(dst2, dx, dy, src, sx, sy, sw, sh, rop, im);
      }
    }
  }
}

#define DO_GLYPH(ttext,idx) \
{ \
  glyph = cache_get_font (font, ttext[idx]); \
  if (!(flags & TEXT2_IMPLICIT_X)) \
  { \
    xyoffset = ttext[++idx]; \
    if ((xyoffset & 0x80)) \
    { \
      if (flags & TEXT2_VERTICAL) \
        y += ttext[idx+1] | (ttext[idx+2] << 8); \
      else \
        x += ttext[idx+1] | (ttext[idx+2] << 8); \
      idx += 2; \
    } \
    else \
    { \
      if (flags & TEXT2_VERTICAL) \
        y += xyoffset; \
      else \
        x += xyoffset; \
    } \
  } \
  if (glyph != NULL) \
  { \
    g_P2->drawPixmap(x + glyph->offset, y + glyph->baseline, \
                     *((QBitmap*)glyph->pixmap)); \
    if (flags & TEXT2_IMPLICIT_X) \
      x += glyph->width; \
  } \
}

//*****************************************************************************
void ui_draw_text(uint8 font, uint8 flags, uint8 opcode, int mixmode,
                  int x, int y, int clipx, int clipy,
                  int clipcx, int clipcy, int boxx,
                  int boxy, int boxcx, int boxcy, BRUSH * brush,
                  int bgcolour, int fgcolour, uint8 * text, uint8 length)
{
  FONTGLYPH * glyph;
  int i, j, xyoffset;
  DATABLOB * entry;