protected void DrawPanelBorder(DrawItemEventArgs e)
{
if (!MxTheme.IsAppThemed)
{
IntPtr hdc = e.Graphics.GetHdc();
try
{
Interop.SelectClipRgn(hdc, IntPtr.Zero);
int index = base.Parent.Panels.IndexOf(this);
Interop.RECT lParam = new Interop.RECT();
Interop.SendMessage(base.Parent.Handle, 0x40a, index, ref lParam);
Interop.FrameRect(hdc, ref lParam, Interop.GetSysColorBrush(0x10));
}
finally
{
if (hdc != IntPtr.Zero)
{
e.Graphics.ReleaseHdc(hdc);
}
}
}
}
private void DrawFlatCombo()
{
if (!MxTheme.IsAppThemed || !this._alwaysShowFocusCues)
{
Interop.RECT rect = new Interop.RECT();
Interop.GetClientRect(base.Handle, ref rect);
IntPtr dC = Interop.GetDC(base.Handle);
try
{
int num5;
int num6;
bool flag = ((this._alwaysShowFocusCues || this._mouseHover) || base.ContainsFocus) && base.Enabled;
int horizontalScrollBarArrowWidth = SystemInformation.HorizontalScrollBarArrowWidth;
int sysColor = Interop.GetSysColor(15);
int bottomRightColor = Interop.GetSysColor(0x10);
int topLeftColor = Interop.GetSysColor(20);
if (flag)
{
num5 = bottomRightColor;
num6 = topLeftColor;
}
else
{
num5 = num6 = sysColor;
}
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, num5, num6);
if ((MxTheme.IsAppThemed && !base.Enabled) && (base.DropDownStyle == ComboBoxStyle.DropDown))
{
this.DrawRectangle(dC, rect.left + 2, rect.top + 2, (rect.Width - horizontalScrollBarArrowWidth) - 4, rect.Height - 4, sysColor, sysColor);
}
rect.left++;
rect.top++;
rect.right--;
rect.bottom--;
if (base.Enabled)
{
num5 = num6 = sysColor;
}
else
{
num5 = num6 = topLeftColor;
}
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, num5, num6);
rect.left++;
rect.top++;
rect.right--;
rect.bottom--;
rect.left = rect.right - horizontalScrollBarArrowWidth;
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, sysColor, sysColor);
rect.left++;
rect.top++;
rect.right--;
rect.bottom--;
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, sysColor, sysColor);
Interop.FillRect(dC, ref rect, (IntPtr) 0x10);
this.DrawFlatComboDropDown(dC, ref rect);
if (base.Enabled)
{
if (flag)
{
rect.top--;
rect.bottom++;
rect.right++;
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, topLeftColor, bottomRightColor);
}
else
{
rect.top--;
rect.bottom++;
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, topLeftColor, topLeftColor);
rect.left--;
this.DrawRectangle(dC, rect.left, rect.top, rect.Width, rect.Height, topLeftColor, topLeftColor);
}
}
}
finally
{
Interop.ReleaseDC(base.Handle, dC);
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
try
{
if (this._paintFrozen == 0)
{
Rectangle clipRectangle = e.ClipRectangle;
if (!this._owner.ContainsFocus)
{
clipRectangle = base.ClientRectangle;
}
IntPtr hdc = e.Graphics.GetHdc();
ColorInfo info = this.ColorTable[7];
info.SetupHdc(hdc);
Interop.RECT lpRect = new Interop.RECT(0, clipRectangle.Top, this.MarginWidth - 1, clipRectangle.Bottom);
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
lpRect.left = this.MarginWidth - 1;
lpRect.right = this.MarginWidth;
this.ColorTable[8].SetupHdc(hdc);
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
ColorInfo info3 = this.ColorTable[4];
info3.SetupHdc(hdc);
lpRect.left = this.MarginWidth + this._lineNumbersWidth;
lpRect.right = lpRect.left + this.MarginPadding;
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
IntPtr hObject = Interop.SelectObject(hdc, this._fontPtr);
Interop.SetBkMode(hdc, 2);
int num = clipRectangle.Top / this._fontHeight;
int lineIndex = num + this.ViewTopLineNumber;
int num3 = (clipRectangle.Height + (this._fontHeight - 1)) / this._fontHeight;
TextLine next = null;
using (TextBufferLocation location = this._buffer.CreateTextBufferLocation(this._location))
{
location.GotoLine(lineIndex);
next = location.Line;
int num4 = 0;
int yPos = num * this._fontHeight;
for (int i = lineIndex; (num4 < num3) && (next != null); i++)
{
if (next.AttributesDirty)
{
location.GotoLine(i);
this.ColorizeLine(location);
}
this.PaintTextLine(next, i, hdc, yPos, this.ViewLeftIndex);
next = next.Next;
num4++;
yPos += this._fontHeight;
}
}
info3.SetupHdc(hdc);
lpRect.top = Math.Min(this.VisibleLines, this._buffer.LineCount - this.ViewTopLineNumber) * this._fontHeight;
lpRect.left = this.MarginWidth;
lpRect.bottom = base.Height - this.HorizontalScrollBarHeight;
lpRect.right = base.Width - this.VerticalScrollBarWidth;
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
if (this.LineNumbersVisible)
{
info.SetupHdc(hdc);
int num7 = (this.MarginWidth + this._lineNumbersWidth) - 2;
lpRect.top = clipRectangle.Top;
lpRect.left = num7;
lpRect.right = num7 + 1;
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
}
info.SetupHdc(hdc);
int height = base.Height;
int width = base.Width;
lpRect.top = height - this.HorizontalScrollBarHeight;
lpRect.left = width - this.VerticalScrollBarWidth;
lpRect.right = width;
lpRect.bottom = height;
if (this.ResizeGripVisible)
{
Interop.DrawFrameControl(hdc, ref lpRect, 3, 8);
}
else
{
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
}
Interop.SelectObject(hdc, hObject);
e.Graphics.ReleaseHdc(hdc);
if (this._updateCaretOnPaint)
{
this._updateCaretOnPaint = false;
this.UpdateCaret();
}
}
}
catch (Exception)
{
}
}
private unsafe void PaintTextLine(TextLine line, int lineNum, IntPtr hdc, int yPos, int startIndex)
{
try
{
if (this.LineNumbersVisible)
{
this.ColorTable[4].SetupHdc(hdc);
string str = (lineNum + 1).ToString();
int length = str.Length;
int num2 = (5 - length) * this._fontWidth;
Interop.RECT lpRect = new Interop.RECT(this.MarginWidth, yPos, this.MarginWidth + this._lineNumbersWidth, yPos + this._fontHeight);
fixed (char* chRef = str.ToCharArray())
{
Interop.ExtTextOutW(hdc, this.MarginWidth + num2, yPos, 2, ref lpRect, (IntPtr)chRef, length, null);
}
}
char[] chars = null;
byte[] colors = null;
if (line.Length > 0)
{
int num3 = 0;
char[] data = line.Data;
byte[] attributes = line.Attributes;
int capacity = line.Length * 2;
StringBuilder builder = new StringBuilder(capacity);
MemoryStream stream = new MemoryStream(capacity);
for (int i = 0; i < line.Length; i++)
{
if (data[i] == '\t')
{
int num6 = this.TabSize - (num3 % this.TabSize);
for (int j = 0; j < num6; j++)
{
if (this._owner.ShowWhitespace)
{
builder.Append('→');
}
else
{
builder.Append(' ');
}
stream.WriteByte(attributes[i]);
}
num3 += num6;
}
else
{
if (this._owner.ShowWhitespace && (data[i] == ' '))
{
builder.Append('\x00b7');
}
else
{
builder.Append(data[i]);
}
stream.WriteByte(attributes[i]);
num3++;
}
}
stream.WriteByte(attributes[data.Length]);
chars = builder.ToString().ToCharArray();
colors = stream.ToArray();
}
else
{
colors = new byte[0];
chars = new char[0];
}
if (this._selectionExists)
{
if (this._selection.IsSingleLine)
{
if (lineNum == this._selection.Start.LineIndex)
{
int endIndex = Math.Min(Math.Max(this.GetViewIndex(line, this._selection.Start.ColumnIndex), startIndex), chars.Length);
int minLenght = Math.Min(Math.Max(startIndex, this.GetViewIndex(line, this._selection.End.ColumnIndex)), chars.Length);
int rectLeft = (this.MarginWidth + this._lineNumbersWidth) + this.MarginPadding;
//int textWidth = Math.Max(0, endIndex - startIndex) * this._fontWidth;
int textWidth = this.MeasureString(hdc, chars, startIndex, endIndex - startIndex).x;
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, startIndex, endIndex, false);
rectLeft += textWidth;
//textWidth = Math.Max(0, minLenght - endIndex) * this._fontWidth;
textWidth = this.MeasureString(hdc, chars, endIndex, minLenght - endIndex).x;
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, endIndex, minLenght, true);
rectLeft += textWidth;
this.PaintColoredText(chars, colors, hdc, rectLeft, base.Width - this.VerticalScrollBarWidth, yPos, minLenght, chars.Length, false);
return;
}
}
else
{
// 已选择文本中的第一行
if (lineNum == this._selection.Start.LineIndex)
{
int endIndex = Math.Min(Math.Max(this.GetViewIndex(line, this._selection.Start.ColumnIndex), startIndex), chars.Length);
int rectLeft = (this.MarginWidth + this._lineNumbersWidth) + this.MarginPadding;
// 先画出行前未选中的文本
int textWidth = this.MeasureString(hdc, chars, startIndex, endIndex - startIndex).x;
//int textWidth = Math.Max(0, endIndex - startIndex) * this._fontWidth;
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, startIndex, endIndex, false);
rectLeft += textWidth;
// 然后画出选中的文本
textWidth = this.MeasureString(hdc, chars, endIndex, chars.Length - endIndex).x;
if (startIndex <= chars.Length)
{
textWidth += this._fontWidth;
}
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, endIndex, chars.Length, true);
rectLeft += textWidth;
this.PaintColoredText(chars, colors, hdc, rectLeft, base.Width - this.VerticalScrollBarWidth, yPos, 0, 0, false);
return;
}
// 已选择文本中的最后一行
if (lineNum == this._selection.End.LineIndex)
{
int endIndex = Math.Min(Math.Max(this.GetViewIndex(line, this._selection.End.ColumnIndex), startIndex), chars.Length);
int rectLeft = (this.MarginWidth + this._lineNumbersWidth) + this.MarginPadding;
//int num20 = Math.Max(0, num17 - startIndex) * this._fontWidth;
int textWidth = this.MeasureString(hdc, chars, startIndex, endIndex - startIndex).x;
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, startIndex, endIndex, true);
rectLeft += textWidth;
this.PaintColoredText(chars, colors, hdc, rectLeft, base.Width - this.VerticalScrollBarWidth, yPos, endIndex, chars.Length, false);
return;
}
// 选中文本的中间行
if ((lineNum > this._selection.Start.LineIndex) && (lineNum < this._selection.End.LineIndex))
{
int rectLeft = (this.MarginWidth + this._lineNumbersWidth) + this.MarginPadding;
int textWidth = this.MeasureString(hdc, chars, startIndex, chars.Length - startIndex).x;
if (startIndex <= chars.Length)
{
textWidth += this._fontWidth;
}
this.PaintColoredText(chars, colors, hdc, rectLeft, rectLeft + textWidth, yPos, startIndex, chars.Length, true);
rectLeft += textWidth;
this.PaintColoredText(chars, colors, hdc, rectLeft, base.Width - this.VerticalScrollBarWidth, yPos, 0, 0, false);
return;
}
}
}
startIndex = Math.Min(startIndex, chars.Length);
this.PaintColoredText(chars, colors, hdc, (this.MarginWidth + this._lineNumbersWidth) + this.MarginPadding, base.Width - this.VerticalScrollBarWidth, yPos, startIndex, chars.Length, false);
}
catch (Exception)
{
throw;
}
}
protected override void OnPaint(PaintEventArgs e)
{
int nFormat = 0x40;
switch (this.TextAlign)
{
case ContentAlignment.TopLeft:
nFormat = nFormat;
goto Label_009A;
case ContentAlignment.TopCenter:
nFormat |= 1;
goto Label_009A;
case (ContentAlignment.TopCenter | ContentAlignment.TopLeft):
goto Label_009A;
case ContentAlignment.TopRight:
nFormat |= 2;
goto Label_009A;
case ContentAlignment.MiddleLeft:
nFormat |= 4;
goto Label_009A;
case ContentAlignment.MiddleCenter:
nFormat |= 5;
goto Label_009A;
case ContentAlignment.MiddleRight:
nFormat |= 6;
goto Label_009A;
case ContentAlignment.BottomLeft:
nFormat |= 8;
goto Label_009A;
case ContentAlignment.BottomCenter:
nFormat |= 9;
break;
case ContentAlignment.BottomRight:
nFormat |= 10;
goto Label_009A;
}
Label_009A:
using (Brush brush = new SolidBrush(this.BackColor))
{
e.Graphics.FillRectangle(brush, base.ClientRectangle);
}
IntPtr hdc = e.Graphics.GetHdc();
IntPtr hObject = this.Font.ToHfont();
try
{
IntPtr ptr3 = Interop.SelectObject(hdc, hObject);
Interop.RECT lpRect = new Interop.RECT(0, 0, base.Width, base.Height);
Interop.DrawText(hdc, this.Text, this.Text.Length, ref lpRect, 0x400);
int num2 = lpRect.bottom - lpRect.top;
int top = (base.Height - num2) / 2;
lpRect = new Interop.RECT(0, top, base.Width, base.Height);
Interop.SetTextColor(hdc, ColorTranslator.ToWin32(this.ForeColor));
Interop.DrawText(hdc, this.Text, this.Text.Length, ref lpRect, nFormat);
Interop.SelectObject(hdc, ptr3);
}
finally
{
e.Graphics.ReleaseHdc(hdc);
}
}
private void DrawRectangle(IntPtr hdc, int x, int y, int cx, int cy, int topLeftColor, int bottomRightColor)
{
Interop.RECT lpRect = new Interop.RECT();
Interop.SetBkColor(hdc, topLeftColor);
lpRect.left = x;
lpRect.top = y;
lpRect.right = (cx - 1) + x;
lpRect.bottom = 1 + y;
Interop.ExtTextOut(hdc, 0, 0, 2, ref lpRect, null, 0, null);
lpRect.left = x;
lpRect.top = y;
lpRect.right = 1 + x;
lpRect.bottom = (cy - 1) + y;
Interop.ExtTextOut(hdc, 0, 0, 2, ref lpRect, null, 0, null);
Interop.SetBkColor(hdc, bottomRightColor);
lpRect.left = (x + cx) - 1;
lpRect.top = y;
lpRect.right = x + cx;
lpRect.bottom = cy + y;
Interop.ExtTextOut(hdc, 0, 0, 2, ref lpRect, null, 0, null);
lpRect.left = x;
lpRect.top = (y + cy) - 1;
lpRect.right = x + cx;
lpRect.bottom = cy + y;
Interop.ExtTextOut(hdc, 0, 0, 2, ref lpRect, null, 0, null);
}
public DCMapping(HandleRef hDC, Rectangle bounds)
{
if (hDC.Handle == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(hDC));
}
bool success;
NativeMethods.POINT viewportOrg = new NativeMethods.POINT();
IntPtr hOriginalClippingRegion = IntPtr.Zero;
_translatedBounds = bounds;
_graphics = null;
_dc = DeviceContext.FromHdc(hDC.Handle);
_dc.SaveHdc();
// Retrieve the x-coordinates and y-coordinates of the viewport origin for the specified device context.
success = SafeNativeMethods.GetViewportOrgEx(hDC, viewportOrg);
Debug.Assert(success, "GetViewportOrgEx() failed.");
// Create a new rectangular clipping region based off of the bounds specified, shifted over by the x & y specified in the viewport origin.
IntPtr hClippingRegion = Interop.Gdi32.CreateRectRgn(viewportOrg.x + bounds.Left, viewportOrg.y + bounds.Top, viewportOrg.x + bounds.Right, viewportOrg.y + bounds.Bottom);
Debug.Assert(hClippingRegion != IntPtr.Zero, "CreateRectRgn() failed.");
try
{
// Create an empty region oriented at 0,0 so we can populate it with the original clipping region of the hDC passed in.
hOriginalClippingRegion = Interop.Gdi32.CreateRectRgn(0, 0, 0, 0);
Debug.Assert(hOriginalClippingRegion != IntPtr.Zero, "CreateRectRgn() failed.");
// Get the clipping region from the hDC: result = {-1 = error, 0 = no region, 1 = success} per MSDN
int result = Interop.Gdi32.GetClipRgn(hDC, hOriginalClippingRegion);
Debug.Assert(result != -1, "GetClipRgn() failed.");
// Shift the viewpoint origint by coordinates specified in "bounds".
NativeMethods.POINT lastViewPort = new NativeMethods.POINT();
success = SafeNativeMethods.SetViewportOrgEx(hDC, viewportOrg.x + bounds.Left, viewportOrg.y + bounds.Top, lastViewPort);
Debug.Assert(success, "SetViewportOrgEx() failed.");
Interop.RegionType originalRegionType;
if (result != 0)
{
// Get the origninal clipping region so we can determine its type (we'll check later if we've restored the region back properly.)
Interop.RECT originalClipRect = new Interop.RECT();
originalRegionType = Interop.Gdi32.GetRgnBox(hOriginalClippingRegion, ref originalClipRect);
Debug.Assert(originalRegionType != Interop.RegionType.ERROR, "ERROR returned from SelectClipRgn while selecting the original clipping region..");
if (originalRegionType == Interop.RegionType.SIMPLEREGION)
{
// Find the intersection of our clipping region and the current clipping region (our parent's)
// Returns a NULLREGION, the two didn't intersect.
// Returns a SIMPLEREGION, the two intersected
// Resulting region (stuff that was in hOriginalClippingRegion AND hClippingRegion is placed in hClippingRegion
Interop.RegionType combineResult = Interop.Gdi32.CombineRgn(hClippingRegion, hClippingRegion, hOriginalClippingRegion, Interop.Gdi32.CombineMode.RGN_AND);
Debug.Assert((combineResult == Interop.RegionType.SIMPLEREGION) ||
(combineResult == Interop.RegionType.NULLREGION),
"SIMPLEREGION or NULLREGION expected.");
}
}
else
{
// If there was no clipping region, then the result is a simple region.
// We don't need to keep track of the original now, since it is empty.
Interop.Gdi32.DeleteObject(hOriginalClippingRegion);
hOriginalClippingRegion = IntPtr.Zero;
originalRegionType = Interop.RegionType.SIMPLEREGION;
}
// Select the new clipping region; make sure it's a SIMPLEREGION or NULLREGION
Interop.RegionType selectResult = Interop.Gdi32.SelectClipRgn(hDC, hClippingRegion);
Debug.Assert((selectResult == Interop.RegionType.SIMPLEREGION ||
selectResult == Interop.RegionType.NULLREGION),
"SIMPLEREGION or NULLLREGION expected.");
}
catch (Exception ex) when(!ClientUtils.IsSecurityOrCriticalException(ex))
{
_dc.RestoreHdc();
_dc.Dispose();
}
finally
{
// Delete the new clipping region, as the clipping region for the HDC is now set
// to this rectangle. Hold on to hOriginalClippingRegion, as we'll need to restore
// it when this object is disposed.
success = Interop.Gdi32.DeleteObject(hClippingRegion) != Interop.BOOL.FALSE;
Debug.Assert(success, "DeleteObject(hClippingRegion) failed.");
if (hOriginalClippingRegion != IntPtr.Zero)
{
success = Interop.Gdi32.DeleteObject(hOriginalClippingRegion) != Interop.BOOL.FALSE;
Debug.Assert(success, "DeleteObject(hOriginalClippingRegion) failed.");
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics graphics = e.Graphics;
Rectangle captionRectangle = this.CaptionRectangle;
bool containsFocus = base.ContainsFocus;
graphics.FillRectangle(SystemBrushes.Control, e.ClipRectangle);
IntPtr hdc = graphics.GetHdc();
try
{
// NOTE:
// ����ʹ��DC_SMALLCAP��, ��win7�µĹ��ߴ��ڱ�����������, ����Ϊ
// ���������ֲ�����
//int nFlags = DC_GRADIENT | DC_TEXT | DC_SMALLCAP;
int nFlags = DC_GRADIENT | DC_TEXT;
if (containsFocus)
{
nFlags |= DC_ACTIVE;
}
Interop.RECT rect = new Interop.RECT(captionRectangle.Left, captionRectangle.Top, captionRectangle.Right + 1, captionRectangle.Bottom);
Interop.DrawCaption(base.Handle, hdc, ref rect, nFlags);
}
finally
{
if (hdc != IntPtr.Zero)
{
graphics.ReleaseHdc(hdc);
}
}
}
/// <summary>
/// Discover the docking location of the Windows taskbar.
/// </summary>
/// <returns>The screen edge where the taskbar is docked.</returns>
private Dock GetDocking(out Interop.RECT bounds)
{
Interop.APPBARDATA data = new Interop.APPBARDATA();
data.cbSize = Marshal.SizeOf(data);
using (HelperWindow window = new HelperWindow())
{
data.hWnd = window.Handle;
Interop.SHAppBarMessage((int)Interop.ABMessage.ABM_GETTASKBARPOS, ref data);
}
bounds = data.rc;
return (Dock)data.uEdge;
}
/// <summary>
/// Determine the screen bounding rectangle of the NotifyIcon native window.
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
private Rectangle GetScreenRect(IntPtr handle)
{
// find the system tray by its well known name
IntPtr tray = Interop.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Shell_TrayWnd", 0);
if (tray == IntPtr.Zero)
{
return Rectangle.Empty;
}
// the find system tray toolbar contained within the tray window
traybar = IntPtr.Zero;
Interop.EnumChildWindows(tray, new Interop.EnumChildProc(FilterWindows), 0);
if (traybar.Equals(IntPtr.Zero))
{
return Rectangle.Empty;
}
Interop.RECT rect = new Interop.RECT();
// get the window rectangle of the notify icon; this is local-relative coordinates
// with top/left at 0,0 and right/bottom equal to width/height.
if (Interop.GetWindowRect(handle, ref rect) == 0)
{
return Rectangle.Empty;
}
// translate the local-relative window rectangle to screen coordinates
if (Interop.MapWindowPoints(traybar, IntPtr.Zero, ref rect, 2) == 0)
{
return Rectangle.Empty;
}
return new Rectangle(
rect.left, rect.top, // x, y
rect.right - rect.left, // width
rect.bottom - rect.top); // height
}
public void ScrollRectIntoView(IElement element, Interop.RECT rect)
{
Interop.IHTMLElement pIElement = element.GetBaseElement();
ds.ScrollRectIntoView(pIElement, rect);
}
public Interop.RECT TransformRect(Interop.RECT pRect, Interop.COORD_SYSTEM eSource, Interop.COORD_SYSTEM eDestination, IElement element)
{
Interop.IHTMLElement pIElement = ((IElement)element).GetBaseElement();
ds.TransformRect(ref pRect, eSource, eDestination, pIElement);
return(pRect);
}
// ported form VB6 (Ctls\PortUtil\StdCtl.cpp:6176)
private unsafe bool DICopy(HandleRef hdcDest, IntPtr hdcSrc, Interop.RECT rect, bool bStretch)
{
long i;
// Get the bitmap from the DC by selecting in a 1x1 pixel temp bitmap
IntPtr hNullBitmap = SafeNativeMethods.CreateBitmap(1, 1, 1, 1, IntPtr.Zero);
if (hNullBitmap == IntPtr.Zero)
{
return(false);
}
try
{
IntPtr hBitmap = Interop.Gdi32.SelectObject(hdcSrc, hNullBitmap);
if (hBitmap == IntPtr.Zero)
{
return(false);
}
// Restore original bitmap
Interop.Gdi32.SelectObject(hdcSrc, hBitmap);
NativeMethods.BITMAP bmp = new NativeMethods.BITMAP();
if (UnsafeNativeMethods.GetObject(new HandleRef(null, hBitmap), Marshal.SizeOf(bmp), bmp) == 0)
{
return(false);
}
NativeMethods.BITMAPINFO_FLAT lpbmi = new NativeMethods.BITMAPINFO_FLAT
{
bmiHeader_biSize = Marshal.SizeOf <NativeMethods.BITMAPINFOHEADER>(),
bmiHeader_biWidth = bmp.bmWidth,
bmiHeader_biHeight = bmp.bmHeight,
bmiHeader_biPlanes = 1,
bmiHeader_biBitCount = bmp.bmBitsPixel,
bmiHeader_biCompression = NativeMethods.BI_RGB,
bmiHeader_biSizeImage = 0, //Not needed since using BI_RGB
bmiHeader_biXPelsPerMeter = 0,
bmiHeader_biYPelsPerMeter = 0,
bmiHeader_biClrUsed = 0,
bmiHeader_biClrImportant = 0,
bmiColors = new byte[NativeMethods.BITMAPINFO_MAX_COLORSIZE * 4]
};
// Include the palette for 256 color bitmaps
long iColors = 1 << (bmp.bmBitsPixel * bmp.bmPlanes);
if (iColors <= 256)
{
byte[] aj = new byte[Marshal.SizeOf <NativeMethods.PALETTEENTRY>() * 256];
SafeNativeMethods.GetSystemPaletteEntries(hdcSrc, 0, (int)iColors, aj);
fixed(byte *pcolors = lpbmi.bmiColors)
{
fixed(byte *ppal = aj)
{
NativeMethods.RGBQUAD * prgb = (NativeMethods.RGBQUAD *)pcolors;
NativeMethods.PALETTEENTRY *lppe = (NativeMethods.PALETTEENTRY *)ppal;
// Convert the palette entries to RGB quad entries
for (i = 0; i < (int)iColors; i++)
{
prgb[i].rgbRed = lppe[i].peRed;
prgb[i].rgbBlue = lppe[i].peBlue;
prgb[i].rgbGreen = lppe[i].peGreen;
}
}
}
}
// Allocate memory to hold the bitmap bits
long bitsPerScanLine = bmp.bmBitsPixel * (long)bmp.bmWidth;
long bytesPerScanLine = (bitsPerScanLine + 7) / 8;
long totalBytesReqd = bytesPerScanLine * bmp.bmHeight;
byte[] lpBits = new byte[totalBytesReqd];
// Get the bitmap bits
int diRet = SafeNativeMethods.GetDIBits(hdcSrc, hBitmap, 0, bmp.bmHeight, lpBits,
ref lpbmi, NativeMethods.DIB_RGB_COLORS);
if (diRet == 0)
{
return(false);
}
// Set the destination coordiates depending on whether stretch-to-fit was chosen
int xDest, yDest, cxDest, cyDest;
if (bStretch)
{
xDest = rect.left;
yDest = rect.top;
cxDest = rect.right - rect.left;
cyDest = rect.bottom - rect.top;
}
else
{
xDest = rect.left;
yDest = rect.top;
cxDest = bmp.bmWidth;
cyDest = bmp.bmHeight;
}
// Paint the bitmap
int iRet = SafeNativeMethods.StretchDIBits(hdcDest,
xDest, yDest, cxDest, cyDest, 0, 0, bmp.bmWidth, bmp.bmHeight,
lpBits, ref lpbmi, NativeMethods.DIB_RGB_COLORS, NativeMethods.SRCCOPY);
if (iRet == NativeMethods.GDI_ERROR)
{
return(false);
}
}
finally
{
Interop.Gdi32.DeleteObject(hNullBitmap);
}
return(true);
}
public static extern bool DrawFrameControl(HandleRef hDC, ref Interop.RECT rect, int type, int state);
public static extern bool GetClientRect(HandleRef hWnd, ref Interop.RECT rect);
public static extern bool AdjustWindowRectEx(ref Interop.RECT lpRect, int dwStyle, bool bMenu, int dwExStyle);
public static extern bool ValidateRect(HandleRef hWnd, ref Interop.RECT rect);
protected void RenderText(ElementRenderData renderData, Color textColor)
{
IntPtr graphicsHandle = renderData.GraphicsHandle;
IntPtr hObject = Interop.SelectObject(graphicsHandle, renderData.FontHandle);
int nBkMode = Interop.SetBkMode(graphicsHandle, 1);
int color = Interop.SetTextColor(graphicsHandle, ColorTranslator.ToWin32(textColor));
try
{
Point location = this.ContentBounds.Location;
location.Offset(renderData.ScrollPosition.X, renderData.ScrollPosition.Y);
Interop.RECT lpRect = new Interop.RECT(0, 0, 0, 0);
Interop.ExtTextOut(graphicsHandle, location.X, location.Y, 0, ref lpRect, this.Text, this.Text.Length, null);
}
finally
{
Interop.SelectObject(graphicsHandle, hObject);
Interop.SetBkMode(graphicsHandle, nBkMode);
Interop.SetTextColor(graphicsHandle, color);
}
}
public static extern int FillRect(HandleRef hdc, ref Interop.RECT rect, HandleRef hbrush);
private void DrawFlatTextBox()
{
if (!MxTheme.IsAppThemed)
{
Interop.RECT rect = new Interop.RECT();
Interop.GetWindowRect(base.Handle, ref rect);
IntPtr windowDC = Interop.GetWindowDC(base.Handle);
try
{
int num4;
int num5;
bool flag = ((this._alwaysShowFocusCues || this._mouseHover) || base.ContainsFocus) && base.Enabled;
int sysColor = Interop.GetSysColor(15);
int num2 = Interop.GetSysColor(0x10);
int num3 = Interop.GetSysColor(20);
rect.bottom -= rect.top;
rect.right -= rect.left;
rect.left = 0;
rect.top = 0;
if (flag)
{
num4 = num2;
num5 = num3;
}
else
{
num4 = num5 = sysColor;
}
this.DrawRectangle(windowDC, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, num4, num5);
rect.left++;
rect.top++;
rect.right--;
rect.bottom--;
if (base.Enabled && (flag || !base.ReadOnly))
{
num4 = num5 = sysColor;
}
else
{
num4 = num5 = num3;
}
this.DrawRectangle(windowDC, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, num4, num5);
}
finally
{
Interop.ReleaseDC(base.Handle, windowDC);
}
}
}
public static extern bool LPtoDP(HandleRef hDC, ref Interop.RECT lpRect, int nCount);
private void InitializeComboBoxes()
{
int wParam = -1;
foreach (ToolBarButton button in base.Buttons)
{
wParam++;
ComboBoxToolBarButton button2 = button as ComboBoxToolBarButton;
if ((button2 != null) && button2.Visible)
{
MxComboBox comboBox;
Panel comboBoxHolder;
Interop.RECT lParam = new Interop.RECT();
Interop.SendMessage(base.Handle, 0x41d, wParam, ref lParam);
if (base.RecreatingHandle)
{
comboBoxHolder = button2.ComboBoxHolder;
comboBox = button2.ComboBox;
button2.SetParentRecreating(false);
}
else
{
comboBoxHolder = new Panel();
button2.ComboBoxHolder = comboBoxHolder;
comboBox = button2.CreateComboBox();
}
int height = comboBox.Height;
int y = (lParam.Height - height) / 2;
comboBox.SetBounds(1, y, lParam.Width - 2, height);
comboBoxHolder.Controls.Add(comboBox);
base.Controls.Add(comboBoxHolder);
Interop.SetWindowPos(comboBoxHolder.Handle, IntPtr.Zero, lParam.left, lParam.top, lParam.Width, lParam.Height, 0x54);
if ((button2.ToolTipText != null) && (button2.ToolTipText.Length != 0))
{
IntPtr hWnd = Interop.SendMessage(base.Handle, 0x423, 0, 0);
if (hWnd != IntPtr.Zero)
{
Interop.TOOLINFO toolinfo = new Interop.TOOLINFO();
toolinfo.uFlags = 0x11;
toolinfo.hwnd = toolinfo.uId = comboBox.Handle;
toolinfo.lpszText = button2.ToolTipText;
Interop.SendMessage(hWnd, Interop.TTM_ADDTOOL, 0, toolinfo);
}
}
this.OnComboBoxCreated(new ToolBarComboBoxButtonEventArgs(button2));
}
}
}
public static extern int ScrollWindowEx(HandleRef hWnd, int nXAmount, int nYAmount, NativeMethods.COMRECT rectScrollRegion, ref Interop.RECT rectClip, HandleRef hrgnUpdate, ref Interop.RECT prcUpdate, int flags);
private unsafe void PaintColoredText(char[] chars, byte[] colors, IntPtr hdc, int rectLeft, int rectRight, int yPos, int startIndex, int endIndex, bool selected)
{
if ((chars == null) || (chars.Length <= 0))
{
this.ColorTable[0].SetupHdc(hdc);
Interop.RECT lpRect = new Interop.RECT(rectLeft, yPos, rectRight, yPos + this._fontHeight);
Interop.ExtTextOutW(hdc, 0, 0, 2, ref lpRect, IntPtr.Zero, 0, null);
}
else
{
// 清空行末空间颜色
if ((endIndex - startIndex) >= 0)
{
Interop.RECT rect = new Interop.RECT(rectLeft + ((endIndex - startIndex) * this._fontWidth), yPos, rectRight, yPos + this._fontHeight);
this.ColorTable[colors[chars.Length]].SetupHdc(hdc);
Interop.ExtTextOutW(hdc, 0, 0, 2, ref rect, IntPtr.Zero, 0, null);
}
// 开始把字符串画到控件上
Interop.RECT textRect = new Interop.RECT(rectLeft, yPos, rectLeft, yPos + this._fontHeight);
int startColumnIndex = startIndex;
int curColumnIndex = startColumnIndex;
int count = 0;
while (startColumnIndex < endIndex)
{
int colorIndex = colors[startColumnIndex];
while ((curColumnIndex < endIndex) && (colors[curColumnIndex] == colorIndex))
{
curColumnIndex++;
}
IntPtr zero = IntPtr.Zero;
try
{
ColorInfo info2 = this.ColorTable[colorIndex];
ColorInfo info3 = info2;
if (selected)
{
if (this._owner.ContainsFocus && (this._owner.ActiveView == this))
{
info2 = this.ColorTable[5];
}
else
{
info2 = this.ColorTable[6];
}
}
if (info3.IsStyledFont)
{
zero = info2.SetupHdc(hdc, this.GetStyledFont(info3.Bold, info3.Italic));
}
else
{
info2.SetupHdc(hdc);
}
count = curColumnIndex - startColumnIndex;
string text = new string(chars, startColumnIndex, count);
Interop.SIZE size = new Interop.SIZE();
bool ret = Interop.GetTextExtentPoint32W(hdc, text, count, ref size);
textRect.left = textRect.right;
textRect.right += size.x ;
fixed (char* chRef = chars)
{
char* chPtr = chRef;
chPtr += startColumnIndex;
Interop.ExtTextOutW(hdc, textRect.left, yPos, 2, ref textRect, (IntPtr) chPtr, count, null);
}
continue;
}
finally
{
startColumnIndex = curColumnIndex;
if (zero != IntPtr.Zero)
{
Interop.SelectObject(hdc, zero);
}
}
}
}
}
public static extern bool ScrollWindow(HandleRef hWnd, int nXAmount, int nYAmount, ref Interop.RECT rectScrollRegion, ref Interop.RECT rectClip);
protected void Invalidate()
{
if (base.Parent.IsHandleCreated)
{
Interop.RECT lParam = new Interop.RECT();
int index = base.Parent.Panels.IndexOf(this);
if (Interop.SendMessage(base.Parent.Handle, 0x40a, index, ref lParam) != 0)
{
base.Parent.Invalidate(Rectangle.FromLTRB(lParam.left, lParam.top, lParam.right, lParam.bottom));
}
}
}
public static extern bool DrawEdge(HandleRef hDC, ref Interop.RECT rect, int edge, int flags);
internal void RenderFocusCues(ElementRenderData renderData)
{
Rectangle focusBounds = this.FocusBounds;
if (!focusBounds.IsEmpty)
{
focusBounds.Offset(renderData.ScrollPosition.X, renderData.ScrollPosition.Y);
Interop.RECT r = new Interop.RECT(focusBounds.Left, focusBounds.Top, focusBounds.Right, focusBounds.Bottom);
Interop.DrawFocusRect(renderData.GraphicsHandle, ref r);
}
}
protected override void WndProc(ref Message m)
{
if ((!MxTheme.IsAppThemed || !this._alwaysShowFocusCues) && this._flatAppearance)
{
if (m.Msg == 15)
{
this.DefWndProc(ref m);
this.DrawFlatCombo();
return;
}
if ((m.Msg == 0x20) && (base.DropDownStyle != ComboBoxStyle.DropDownList))
{
Interop.RECT rect = new Interop.RECT();
Interop.GetWindowRect(base.Handle, ref rect);
int messagePos = Interop.GetMessagePos();
if (Interop.PtInRect(ref rect, messagePos & 0xffff, messagePos >> 0x10))
{
this._mouseHover = true;
this.DrawFlatCombo();
}
}
}
if (m.Msg == 0x2111)
{
switch ((((int) m.WParam) >> 0x10))
{
case 6:
this.OnTextUpdated(EventArgs.Empty);
break;
case 8:
this.OnCloseDropDown(EventArgs.Empty);
break;
}
}
base.WndProc(ref m);
}
