// PaintPrivate is used in three places that need to duplicate the paint code:
// 1. DataGridViewCell::Paint method
// 2. DataGridViewCell::GetContentBounds
// 3. DataGridViewCell::GetErrorIconBounds
//
// if computeContentBounds is true then PaintPrivate returns the contentBounds
// else if computeErrorIconBounds is true then PaintPrivate returns the errorIconBounds
// else it returns Rectangle.Empty;
private Rectangle PaintPrivate(Graphics graphics,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates cellState,
object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts,
bool computeContentBounds,
bool computeErrorIconBounds,
bool paint)
{
// Parameter checking.
// One bit and one bit only should be turned on
Debug.Assert(paint || computeContentBounds || computeErrorIconBounds);
Debug.Assert(!paint || !computeContentBounds || !computeErrorIconBounds);
Debug.Assert(!computeContentBounds || !computeErrorIconBounds || !paint);
Debug.Assert(!computeErrorIconBounds || !paint || !computeContentBounds);
Debug.Assert(cellStyle != null);
// If computeContentBounds == TRUE then resultBounds will be the contentBounds.
// If computeErrorIconBounds == TRUE then resultBounds will be the error icon bounds.
// Else resultBounds will be Rectangle.Empty;
Rectangle resultBounds = Rectangle.Empty;
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle borderWidths = BorderWidths(advancedBorderStyle);
Rectangle valBounds = cellBounds;
valBounds.Offset(borderWidths.X, borderWidths.Y);
valBounds.Width -= borderWidths.Right;
valBounds.Height -= borderWidths.Bottom;
SolidBrush br;
Point ptCurrentCell = this.DataGridView.CurrentCellAddress;
bool cellCurrent = ptCurrentCell.X == this.ColumnIndex && ptCurrentCell.Y == rowIndex;
bool cellEdited = cellCurrent && this.DataGridView.EditingControl != null;
bool cellSelected = (cellState & DataGridViewElementStates.Selected) != 0;
if (DataGridViewCell.PaintSelectionBackground(paintParts) && cellSelected && !cellEdited)
{
br = this.DataGridView.GetCachedBrush(cellStyle.SelectionBackColor);
}
else
{
br = this.DataGridView.GetCachedBrush(cellStyle.BackColor);
}
if (paint && DataGridViewCell.PaintBackground(paintParts) && br.Color.A == 255 && valBounds.Width > 0 && valBounds.Height > 0)
{
graphics.FillRectangle(br, valBounds);
}
if (cellStyle.Padding != Padding.Empty)
{
if (this.DataGridView.RightToLeftInternal)
{
valBounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
valBounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
valBounds.Width -= cellStyle.Padding.Horizontal;
valBounds.Height -= cellStyle.Padding.Vertical;
}
if (paint && cellCurrent && !cellEdited)
{
// Draw focus rectangle
if (DataGridViewCell.PaintFocus(paintParts) &&
this.DataGridView.ShowFocusCues &&
this.DataGridView.Focused &&
valBounds.Width > 0 &&
valBounds.Height > 0)
{
ControlPaint.DrawFocusRectangle(graphics, valBounds, Color.Empty, br.Color);
}
}
Rectangle errorBounds = valBounds;
string formattedString = formattedValue as string;
if (formattedString != null && ((paint && !cellEdited) || computeContentBounds))
{
// Font independent margins
int verticalTextMarginTop = cellStyle.WrapMode == DataGridViewTriState.True ? DATAGRIDVIEWTEXTBOXCELL_verticalTextMarginTopWithWrapping : DATAGRIDVIEWTEXTBOXCELL_verticalTextMarginTopWithoutWrapping;
valBounds.Offset(DATAGRIDVIEWTEXTBOXCELL_horizontalTextMarginLeft, verticalTextMarginTop);
valBounds.Width -= DATAGRIDVIEWTEXTBOXCELL_horizontalTextMarginLeft + DATAGRIDVIEWTEXTBOXCELL_horizontalTextMarginRight;
valBounds.Height -= verticalTextMarginTop + DATAGRIDVIEWTEXTBOXCELL_verticalTextMarginBottom;
if (valBounds.Width > 0 && valBounds.Height > 0)
{
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(this.DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
if (paint)
{
if (DataGridViewCell.PaintContentForeground(paintParts))
{
if ((flags & TextFormatFlags.SingleLine) != 0)
{
flags |= TextFormatFlags.EndEllipsis;
}
TextRenderer.DrawText(graphics,
formattedString,
cellStyle.Font,
valBounds,
cellSelected ? cellStyle.SelectionForeColor : cellStyle.ForeColor,
flags);
}
}
else
{
resultBounds = DataGridViewUtilities.GetTextBounds(valBounds, formattedString, flags, cellStyle);
}
}
}
else if (computeErrorIconBounds)
{
if (!String.IsNullOrEmpty(errorText))
{
resultBounds = ComputeErrorIconBounds(errorBounds);
}
}
else
{
Debug.Assert(cellEdited || formattedString == null);
Debug.Assert(paint || computeContentBounds);
}
if (this.DataGridView.ShowCellErrors && paint && DataGridViewCell.PaintErrorIcon(paintParts))
{
PaintErrorIcon(graphics, cellStyle, rowIndex, cellBounds, errorBounds, errorText);
}
return(resultBounds);
}
// PaintPrivate is used in three places that need to duplicate the paint code:
// 1. DataGridViewCell::Paint method
// 2. DataGridViewCell::GetContentBounds
// 3. DataGridViewCell::GetErrorIconBounds
//
// if computeContentBounds is true then PaintPrivate returns the contentBounds
// else if computeErrorIconBounds is true then PaintPrivate returns the errorIconBounds
// else it returns Rectangle.Empty;
private Rectangle PaintPrivate(Graphics g,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates cellState,
object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts,
bool computeContentBounds,
bool computeErrorIconBounds,
bool paint)
{
// Parameter checking.
// One bit and one bit only should be turned on
Debug.Assert(paint || computeContentBounds || computeErrorIconBounds);
Debug.Assert(!paint || !computeContentBounds || !computeErrorIconBounds);
Debug.Assert(!computeContentBounds || !computeErrorIconBounds || !paint);
Debug.Assert(!computeErrorIconBounds || !paint || !computeContentBounds);
Debug.Assert(cellStyle != null);
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
PaintBorder(g, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle resultBounds = Rectangle.Empty;
Rectangle borderWidths = BorderWidths(advancedBorderStyle);
Rectangle valBounds = cellBounds;
valBounds.Offset(borderWidths.X, borderWidths.Y);
valBounds.Width -= borderWidths.Right;
valBounds.Height -= borderWidths.Bottom;
Point ptCurrentCell = DataGridView.CurrentCellAddress;
bool cellCurrent = ptCurrentCell.X == ColumnIndex && ptCurrentCell.Y == rowIndex;
bool cellSelected = (cellState & DataGridViewElementStates.Selected) != 0;
SolidBrush br = DataGridView.GetCachedBrush((DataGridViewCell.PaintSelectionBackground(paintParts) && cellSelected) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
if (paint && DataGridViewCell.PaintBackground(paintParts) && br.Color.A == 255)
{
g.FillRectangle(br, valBounds);
}
if (cellStyle.Padding != Padding.Empty)
{
if (DataGridView.RightToLeftInternal)
{
valBounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
valBounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
valBounds.Width -= cellStyle.Padding.Horizontal;
valBounds.Height -= cellStyle.Padding.Vertical;
}
Rectangle errorBounds = valBounds;
if (formattedValue is string formattedValueStr && (paint || computeContentBounds))
{
// Font independent margins
valBounds.Offset(DATAGRIDVIEWLINKCELL_horizontalTextMarginLeft, DATAGRIDVIEWLINKCELL_verticalTextMarginTop);
valBounds.Width -= DATAGRIDVIEWLINKCELL_horizontalTextMarginLeft + DATAGRIDVIEWLINKCELL_horizontalTextMarginRight;
valBounds.Height -= DATAGRIDVIEWLINKCELL_verticalTextMarginTop + DATAGRIDVIEWLINKCELL_verticalTextMarginBottom;
if ((cellStyle.Alignment & anyBottom) != 0)
{
valBounds.Height -= DATAGRIDVIEWLINKCELL_verticalTextMarginBottom;
}
Font linkFont = null;
Font hoverFont = null;
LinkUtilities.EnsureLinkFonts(cellStyle.Font, LinkBehavior, ref linkFont, ref hoverFont);
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
// paint the focus rectangle around the link
if (paint)
{
if (valBounds.Width > 0 && valBounds.Height > 0)
{
if (cellCurrent &&
DataGridView.ShowFocusCues &&
DataGridView.Focused &&
DataGridViewCell.PaintFocus(paintParts))
{
Rectangle focusBounds = DataGridViewUtilities.GetTextBounds(valBounds,
formattedValueStr,
flags,
cellStyle,
LinkState == LinkState.Hover ? hoverFont : linkFont);
if ((cellStyle.Alignment & anyLeft) != 0)
{
focusBounds.X--;
focusBounds.Width++;
}
else if ((cellStyle.Alignment & anyRight) != 0)
{
focusBounds.X++;
focusBounds.Width++;
}
focusBounds.Height += 2;
ControlPaint.DrawFocusRectangle(g, focusBounds, Color.Empty, br.Color);
}
Color linkColor;
if ((LinkState & LinkState.Active) == LinkState.Active)
{
linkColor = ActiveLinkColor;
}
else if (LinkVisited)
{
linkColor = VisitedLinkColor;
}
else
{
linkColor = LinkColor;
}
if (DataGridViewCell.PaintContentForeground(paintParts))
{
if ((flags & TextFormatFlags.SingleLine) != 0)
{
flags |= TextFormatFlags.EndEllipsis;
}
TextRenderer.DrawText(g,
formattedValueStr,
LinkState == LinkState.Hover ? hoverFont : linkFont,
valBounds,
linkColor,
flags);
}
}
else if (cellCurrent &&
DataGridView.ShowFocusCues &&
DataGridView.Focused &&
DataGridViewCell.PaintFocus(paintParts) &&
errorBounds.Width > 0 &&
errorBounds.Height > 0)
{
// Draw focus rectangle
ControlPaint.DrawFocusRectangle(g, errorBounds, Color.Empty, br.Color);
}
}
else
{
Debug.Assert(computeContentBounds);
resultBounds = DataGridViewUtilities.GetTextBounds(valBounds,
formattedValueStr,
flags,
cellStyle,
LinkState == LinkState.Hover ? hoverFont : linkFont);
}
linkFont.Dispose();
hoverFont.Dispose();
}
private Rectangle PaintPrivate(Graphics g,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates elementState,
object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts,
bool computeContentBounds,
bool computeErrorIconBounds,
bool paint)
{
// Parameter checking.
// One bit and one bit only should be turned on
Debug.Assert(paint || computeContentBounds || computeErrorIconBounds);
Debug.Assert(!paint || !computeContentBounds || !computeErrorIconBounds);
Debug.Assert(!computeContentBounds || !computeErrorIconBounds || !paint);
Debug.Assert(!computeErrorIconBounds || !paint || !computeContentBounds);
Debug.Assert(cellStyle is not null);
Point ptCurrentCell = DataGridView.CurrentCellAddress;
bool cellSelected = (elementState & DataGridViewElementStates.Selected) != 0;
bool cellCurrent = (ptCurrentCell.X == ColumnIndex && ptCurrentCell.Y == rowIndex);
Rectangle resultBounds;
string formattedString = formattedValue as string;
Color backBrushColor = PaintSelectionBackground(paintParts) && cellSelected
? cellStyle.SelectionBackColor
: cellStyle.BackColor;
Color foreBrushColor = cellSelected ? cellStyle.SelectionForeColor : cellStyle.ForeColor;
if (paint && PaintBorder(paintParts))
{
PaintBorder(g, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle valBounds = cellBounds;
Rectangle borderWidths = BorderWidths(advancedBorderStyle);
valBounds.Offset(borderWidths.X, borderWidths.Y);
valBounds.Width -= borderWidths.Right;
valBounds.Height -= borderWidths.Bottom;
if (valBounds.Height <= 0 || valBounds.Width <= 0)
{
return(Rectangle.Empty);
}
if (paint && PaintBackground(paintParts) && !backBrushColor.HasTransparency())
{
using var backBrush = backBrushColor.GetCachedSolidBrushScope();
g.FillRectangle(backBrush, valBounds);
}
if (cellStyle.Padding != Padding.Empty)
{
if (DataGridView.RightToLeftInternal)
{
valBounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
valBounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
valBounds.Width -= cellStyle.Padding.Horizontal;
valBounds.Height -= cellStyle.Padding.Vertical;
}
Rectangle errorBounds = valBounds;
if (valBounds.Height > 0 && valBounds.Width > 0 && (paint || computeContentBounds))
{
switch (FlatStyle)
{
case FlatStyle.Standard:
case FlatStyle.System:
if (DataGridView.ApplyVisualStylesToInnerCells)
{
if (paint && PaintContentBackground(paintParts))
{
PushButtonState pbState = VisualStyles.PushButtonState.Normal;
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0)
{
pbState = PushButtonState.Pressed;
}
else if (DataGridView.MouseEnteredCellAddress.Y == rowIndex &&
DataGridView.MouseEnteredCellAddress.X == ColumnIndex && mouseInContentBounds)
{
pbState = PushButtonState.Hot;
}
if (PaintFocus(paintParts) && cellCurrent && DataGridView.ShowFocusCues && DataGridView.Focused)
{
pbState |= PushButtonState.Default;
}
DataGridViewButtonCellRenderer.DrawButton(g, valBounds, (int)pbState);
}
resultBounds = valBounds;
valBounds = DataGridViewButtonCellRenderer.DataGridViewButtonRenderer.GetBackgroundContentRectangle(g, valBounds);
}
else
{
if (paint && PaintContentBackground(paintParts))
{
ControlPaint.DrawBorder(
g,
valBounds,
SystemColors.Control,
(ButtonState == ButtonState.Normal) ? ButtonBorderStyle.Outset : ButtonBorderStyle.Inset);
}
resultBounds = valBounds;
valBounds.Inflate(-SystemInformation.Border3DSize.Width, -SystemInformation.Border3DSize.Height);
}
break;
case FlatStyle.Flat:
// ButtonBase::PaintFlatDown and ButtonBase::PaintFlatUp paint the border in the same way
valBounds.Inflate(-1, -1);
if (paint && PaintContentBackground(paintParts))
{
ButtonBaseAdapter.DrawDefaultBorder(g, valBounds, backBrushColor, isDefault: true);
if (!backBrushColor.HasTransparency())
{
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0)
{
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintFlatRender(
g,
cellStyle.ForeColor,
cellStyle.BackColor,
DataGridView.Enabled).Calculate();
using var hdc = new DeviceContextHdcScope(g);
using var hbrush = new Gdi32.CreateBrushScope(
colors.Options.HighContrast ? colors.ButtonShadow : colors.LowHighlight);
hdc.FillRectangle(valBounds, hbrush);
}
else if (DataGridView.MouseEnteredCellAddress.Y == rowIndex &&
DataGridView.MouseEnteredCellAddress.X == ColumnIndex && mouseInContentBounds)
{
using var hdc = new DeviceContextHdcScope(g);
using var hbrush = new Gdi32.CreateBrushScope(SystemColors.ControlDark);
hdc.FillRectangle(valBounds, hbrush);
}
}
}
resultBounds = valBounds;
break;
default:
Debug.Assert(FlatStyle == FlatStyle.Popup, "FlatStyle.Popup is the last flat style");
valBounds.Inflate(-1, -1);
if (paint && PaintContentBackground(paintParts))
{
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0)
{
// paint down
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintPopupRender(
g,
cellStyle.ForeColor,
cellStyle.BackColor,
DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(
g,
valBounds,
colors.Options.HighContrast ? colors.WindowText : colors.WindowFrame,
isDefault: true);
ControlPaint.DrawBorder(
g,
valBounds,
colors.Options.HighContrast ? colors.WindowText : colors.ButtonShadow,
ButtonBorderStyle.Solid);
}
else if (DataGridView.MouseEnteredCellAddress.Y == rowIndex &&
DataGridView.MouseEnteredCellAddress.X == ColumnIndex &&
mouseInContentBounds)
{
// paint over
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintPopupRender(
g,
cellStyle.ForeColor,
cellStyle.BackColor,
DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(
g,
valBounds,
colors.Options.HighContrast ? colors.WindowText : colors.ButtonShadow,
isDefault: false);
ButtonBaseAdapter.Draw3DLiteBorder(g, valBounds, colors, true);
}
else
{
// paint up
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintPopupRender(
g,
cellStyle.ForeColor,
cellStyle.BackColor,
DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(
g,
valBounds,
colors.Options.HighContrast ? colors.WindowText : colors.ButtonShadow,
isDefault: false);
ControlPaint.DrawBorderSimple(
g,
valBounds,
colors.Options.HighContrast ? colors.WindowText : colors.ButtonShadow);
}
}
resultBounds = valBounds;
break;
}
}
else if (computeErrorIconBounds)
{
if (!string.IsNullOrEmpty(errorText))
{
resultBounds = ComputeErrorIconBounds(errorBounds);
}
else
{
resultBounds = Rectangle.Empty;
}
}
else
{
Debug.Assert(valBounds.Height <= 0 || valBounds.Width <= 0);
resultBounds = Rectangle.Empty;
}
if (paint &&
PaintFocus(paintParts) &&
cellCurrent &&
DataGridView.ShowFocusCues &&
DataGridView.Focused &&
valBounds.Width > 2 * SystemInformation.Border3DSize.Width + 1 &&
valBounds.Height > 2 * SystemInformation.Border3DSize.Height + 1)
{
// Draw focus rectangle
if (FlatStyle == FlatStyle.System || FlatStyle == FlatStyle.Standard)
{
ControlPaint.DrawFocusRectangle(g, Rectangle.Inflate(valBounds, -1, -1), Color.Empty, SystemColors.Control);
}
else if (FlatStyle == FlatStyle.Flat)
{
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0 ||
(DataGridView.CurrentCellAddress.Y == rowIndex && DataGridView.CurrentCellAddress.X == ColumnIndex))
{
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintFlatRender(
g,
cellStyle.ForeColor,
cellStyle.BackColor,
DataGridView.Enabled).Calculate();
string text = formattedString ?? string.Empty;
ButtonBaseAdapter.LayoutOptions options = ButtonFlatAdapter.PaintFlatLayout(
true,
SystemInformation.HighContrast,
1,
valBounds,
Padding.Empty,
false,
cellStyle.Font,
text,
DataGridView.Enabled,
DataGridViewUtilities.ComputeDrawingContentAlignmentForCellStyleAlignment(cellStyle.Alignment),
DataGridView.RightToLeft);
options.DotNetOneButtonCompat = false;
ButtonBaseAdapter.LayoutData layout = options.Layout();
ButtonBaseAdapter.DrawFlatFocus(
g,
layout.Focus,
colors.Options.HighContrast ? colors.WindowText : colors.ConstrastButtonShadow);
}
}
else
{
Debug.Assert(FlatStyle == FlatStyle.Popup, "FlatStyle.Popup is the last flat style");
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0 ||
(DataGridView.CurrentCellAddress.Y == rowIndex && DataGridView.CurrentCellAddress.X == ColumnIndex))
{
// If we are painting the current cell, then paint the text up.
// If we are painting the current cell and the current cell is pressed down, then paint the text down.
bool paintUp = (ButtonState == ButtonState.Normal);
string text = formattedString ?? string.Empty;
ButtonBaseAdapter.LayoutOptions options = ButtonPopupAdapter.PaintPopupLayout(
paintUp,
SystemInformation.HighContrast ? 2 : 1,
valBounds,
Padding.Empty,
false,
cellStyle.Font,
text,
DataGridView.Enabled,
DataGridViewUtilities.ComputeDrawingContentAlignmentForCellStyleAlignment(cellStyle.Alignment),
DataGridView.RightToLeft);
options.DotNetOneButtonCompat = false;
ButtonBaseAdapter.LayoutData layout = options.Layout();
ControlPaint.DrawFocusRectangle(
g,
layout.Focus,
cellStyle.ForeColor,
cellStyle.BackColor);
}
}
}
if (formattedString is not null && paint && PaintContentForeground(paintParts))
{
// Font independent margins
valBounds.Offset(DATAGRIDVIEWBUTTONCELL_horizontalTextMargin, DATAGRIDVIEWBUTTONCELL_verticalTextMargin);
valBounds.Width -= 2 * DATAGRIDVIEWBUTTONCELL_horizontalTextMargin;
valBounds.Height -= 2 * DATAGRIDVIEWBUTTONCELL_verticalTextMargin;
if ((ButtonState & (ButtonState.Pushed | ButtonState.Checked)) != 0 &&
FlatStyle != FlatStyle.Flat && FlatStyle != FlatStyle.Popup)
{
valBounds.Offset(1, 1);
valBounds.Width--;
valBounds.Height--;
}
if (valBounds.Width > 0 && valBounds.Height > 0)
{
Color textColor;
if (DataGridView.ApplyVisualStylesToInnerCells &&
(FlatStyle == FlatStyle.System || FlatStyle == FlatStyle.Standard))
{
textColor = DataGridViewButtonCellRenderer.DataGridViewButtonRenderer.GetColor(ColorProperty.TextColor);
}
else
{
textColor = foreBrushColor;
}
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(
DataGridView.RightToLeftInternal,
cellStyle.Alignment,
cellStyle.WrapMode);
TextRenderer.DrawText(
g,
formattedString,
cellStyle.Font,
valBounds,
textColor,
flags);
}
}
if (DataGridView.ShowCellErrors && paint && PaintErrorIcon(paintParts))
{
PaintErrorIcon(g, cellStyle, rowIndex, cellBounds, errorBounds, errorText);
}
return(resultBounds);
}
// Draw the button in its current state on a Graphics surface.
internal virtual void Draw(Graphics graphics)
{
ButtonState state = CalculateState();
Size clientSize = ClientSize;
int x = 0;
int y = 0;
int width = clientSize.Width;
int height = clientSize.Height;
// Draw the border and background.
ThemeManager.MainPainter.DrawButton
(graphics, x, y, width, height, state,
ForeColor, BackColor, isDefault);
// Draw the focus rectangle.
if (hasFocus)
{
ControlPaint.DrawFocusRectangle
(graphics, new Rectangle(x + 4, y + 4,
width - 8, height - 8),
ForeColor, BackColor);
}
// Draw the button image.
Image image = this.image;
if (image == null && imageList != null && imageIndex != -1)
{
image = imageList.Images[imageIndex];
}
if (image != null)
{
int imageX = x;
int imageY = y;
int imageWidth = image.Width;
int imageHeight = image.Height;
switch (imageAlign)
{
case ContentAlignment.TopLeft: break;
case ContentAlignment.TopCenter:
{
imageX += (width - imageWidth) / 2;
}
break;
case ContentAlignment.TopRight:
{
imageX += width - imageWidth;
}
break;
case ContentAlignment.MiddleLeft:
{
imageY += (height - imageHeight) / 2;
}
break;
case ContentAlignment.MiddleCenter:
{
imageX += (width - imageWidth) / 2;
imageY += (height - imageHeight) / 2;
}
break;
case ContentAlignment.MiddleRight:
{
imageX += width - imageWidth;
imageY += (height - imageHeight) / 2;
}
break;
case ContentAlignment.BottomLeft:
{
imageY += height - imageHeight;
}
break;
case ContentAlignment.BottomCenter:
{
imageX += (width - imageWidth) / 2;
imageY += height - imageHeight;
}
break;
case ContentAlignment.BottomRight:
{
imageX += width - imageWidth;
imageY += height - imageHeight;
}
break;
}
if (pressed)
{
++imageX;
++imageY;
}
if (Enabled)
{
graphics.DrawImage(image, imageX, imageY);
}
else
{
ControlPaint.DrawImageDisabled
(graphics, image, imageX, imageY, BackColor);
}
}
// Get the text layout rectangle.
RectangleF layout = new RectangleF
(x + 2, y + 2, width - 4, height - 4);
if (entered && pressed)
{
layout.Offset(1.0f, 1.0f);
}
// If we are using "middle" alignment, then shift the
// text down to account for the descent. This makes
// the button "look better".
Font font = Font;
if ((TextAlign & (ContentAlignment.MiddleLeft |
ContentAlignment.MiddleCenter |
ContentAlignment.MiddleRight)) != 0)
{
layout.Offset(0.0f, GetDescent(graphics, font) / 2.0f);
}
// Draw the text on the button.
String text = Text;
if (text != null && text != String.Empty)
{
if (Enabled)
{
Brush brush = new SolidBrush(ForeColor);
graphics.DrawString(text, font, brush, layout, format);
brush.Dispose();
}
else
{
ControlPaint.DrawStringDisabled
(graphics, text, font, BackColor, layout, format);
}
}
}
// PaintPrivate is used in three places that need to duplicate the paint code:
// 1. DataGridViewCell::Paint method
// 2. DataGridViewCell::GetContentBounds
// 3. DataGridViewCell::GetErrorIconBounds
//
// if computeContentBounds is true then PaintPrivate returns the contentBounds
// else if computeErrorIconBounds is true then PaintPrivate returns the errorIconBounds
// else it returns Rectangle.Empty;
private Rectangle PaintPrivate(Graphics g,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates elementState,
object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts,
bool computeContentBounds,
bool computeErrorIconBounds,
bool paint)
{
// Parameter checking.
// One bit and one bit only should be turned on
Debug.Assert(paint || computeContentBounds || computeErrorIconBounds);
Debug.Assert(!paint || !computeContentBounds || !computeErrorIconBounds);
Debug.Assert(!computeContentBounds || !computeErrorIconBounds || !paint);
Debug.Assert(!computeErrorIconBounds || !paint || !computeContentBounds);
Debug.Assert(cellStyle != null);
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
PaintBorder(g, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle resultBounds;
Rectangle valBounds = cellBounds;
Rectangle borderWidths = BorderWidths(advancedBorderStyle);
valBounds.Offset(borderWidths.X, borderWidths.Y);
valBounds.Width -= borderWidths.Right;
valBounds.Height -= borderWidths.Bottom;
if (valBounds.Width > 0 && valBounds.Height > 0 && (paint || computeContentBounds))
{
Rectangle imgBounds = valBounds;
if (cellStyle.Padding != Padding.Empty)
{
if (DataGridView.RightToLeftInternal)
{
imgBounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
imgBounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
imgBounds.Width -= cellStyle.Padding.Horizontal;
imgBounds.Height -= cellStyle.Padding.Vertical;
}
bool cellSelected = (elementState & DataGridViewElementStates.Selected) != 0;
SolidBrush br = DataGridView.GetCachedBrush((DataGridViewCell.PaintSelectionBackground(paintParts) && cellSelected) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
if (imgBounds.Width > 0 && imgBounds.Height > 0)
{
Image img = formattedValue as Image;
Icon ico = null;
if (img == null)
{
ico = formattedValue as Icon;
}
if (ico != null || img != null)
{
DataGridViewImageCellLayout imageLayout = ImageLayout;
if (imageLayout == DataGridViewImageCellLayout.NotSet)
{
if (OwningColumn is DataGridViewImageColumn)
{
imageLayout = ((DataGridViewImageColumn)OwningColumn).ImageLayout;
Debug.Assert(imageLayout != DataGridViewImageCellLayout.NotSet);
}
else
{
imageLayout = DataGridViewImageCellLayout.Normal;
}
}
if (imageLayout == DataGridViewImageCellLayout.Stretch)
{
if (paint)
{
if (DataGridViewCell.PaintBackground(paintParts))
{
DataGridViewCell.PaintPadding(g, valBounds, cellStyle, br, DataGridView.RightToLeftInternal);
}
if (DataGridViewCell.PaintContentForeground(paintParts))
{
if (img != null)
{
//
ImageAttributes attr = new ImageAttributes();
attr.SetWrapMode(WrapMode.TileFlipXY);
g.DrawImage(img, imgBounds, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, attr);
attr.Dispose();
}
else
{
g.DrawIcon(ico, imgBounds);
}
}
}
resultBounds = imgBounds;
}
else
{
Rectangle imgBounds2 = ImgBounds(imgBounds, (img == null) ? ico.Width : img.Width, (img == null) ? ico.Height : img.Height, imageLayout, cellStyle);
resultBounds = imgBounds2;
if (paint)
{
if (DataGridViewCell.PaintBackground(paintParts) && br.Color.A == 255)
{
g.FillRectangle(br, valBounds);
}
if (DataGridViewCell.PaintContentForeground(paintParts))
{
//paint the image
Region reg = g.Clip;
g.SetClip(Rectangle.Intersect(Rectangle.Intersect(imgBounds2, imgBounds), Rectangle.Truncate(g.VisibleClipBounds)));
if (img != null)
{
g.DrawImage(img, imgBounds2);
}
else
{
g.DrawIconUnstretched(ico, imgBounds2);
}
g.Clip = reg;
}
}
}
}
else
{
if (paint && DataGridViewCell.PaintBackground(paintParts) && br.Color.A == 255)
{
g.FillRectangle(br, valBounds);
}
resultBounds = Rectangle.Empty;
}
}
else
{
if (paint && DataGridViewCell.PaintBackground(paintParts) && br.Color.A == 255)
{
g.FillRectangle(br, valBounds);
}
resultBounds = Rectangle.Empty;
}
Point ptCurrentCell = DataGridView.CurrentCellAddress;
if (paint &&
DataGridViewCell.PaintFocus(paintParts) &&
ptCurrentCell.X == ColumnIndex &&
ptCurrentCell.Y == rowIndex &&
DataGridView.ShowFocusCues &&
DataGridView.Focused)
{
// Draw focus rectangle
ControlPaint.DrawFocusRectangle(g, valBounds, Color.Empty, br.Color);
}
if (DataGridView.ShowCellErrors && paint && DataGridViewCell.PaintErrorIcon(paintParts))
{
PaintErrorIcon(g, cellStyle, rowIndex, cellBounds, valBounds, errorText);
}
}
else if (computeErrorIconBounds)
{
if (!string.IsNullOrEmpty(errorText))
{
resultBounds = ComputeErrorIconBounds(valBounds);
}
else
{
resultBounds = Rectangle.Empty;
}
}
else
{
Debug.Assert(valBounds.Height <= 0 || valBounds.Width <= 0);
resultBounds = Rectangle.Empty;
}
return(resultBounds);
}
public static void DrawCheckBox(Graphics g, Point glyphLocation, Rectangle textBounds, string checkBoxText, Font font, TextFormatFlags flags, Image image, Rectangle imageBounds, bool focused, CheckBoxState state)
{
Rectangle bounds = new Rectangle(glyphLocation, GetGlyphSize(g, state));
if (Application.RenderWithVisualStyles || always_use_visual_styles == true)
{
VisualStyleRenderer vsr = GetCheckBoxRenderer(state);
vsr.DrawBackground(g, bounds);
if (image != null)
{
vsr.DrawImage(g, imageBounds, image);
}
if (focused)
{
ControlPaint.DrawFocusRectangle(g, textBounds);
}
if (checkBoxText != String.Empty)
{
if (state == CheckBoxState.CheckedDisabled || state == CheckBoxState.MixedDisabled || state == CheckBoxState.UncheckedDisabled)
{
TextRenderer.DrawText(g, checkBoxText, font, textBounds, SystemColors.GrayText, flags);
}
else
{
TextRenderer.DrawText(g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
}
}
}
else
{
switch (state)
{
case CheckBoxState.CheckedDisabled:
case CheckBoxState.MixedDisabled:
case CheckBoxState.MixedPressed:
ControlPaint.DrawCheckBox(g, bounds, ButtonState.Inactive | ButtonState.Checked);
break;
case CheckBoxState.CheckedHot:
case CheckBoxState.CheckedNormal:
ControlPaint.DrawCheckBox(g, bounds, ButtonState.Checked);
break;
case CheckBoxState.CheckedPressed:
ControlPaint.DrawCheckBox(g, bounds, ButtonState.Pushed | ButtonState.Checked);
break;
case CheckBoxState.MixedHot:
case CheckBoxState.MixedNormal:
ControlPaint.DrawMixedCheckBox(g, bounds, ButtonState.Checked);
break;
case CheckBoxState.UncheckedDisabled:
case CheckBoxState.UncheckedPressed:
ControlPaint.DrawCheckBox(g, bounds, ButtonState.Inactive);
break;
case CheckBoxState.UncheckedHot:
case CheckBoxState.UncheckedNormal:
ControlPaint.DrawCheckBox(g, bounds, ButtonState.Normal);
break;
}
if (image != null)
{
g.DrawImage(image, imageBounds);
}
if (focused)
{
ControlPaint.DrawFocusRectangle(g, textBounds);
}
if (checkBoxText != String.Empty)
{
TextRenderer.DrawText(g, checkBoxText, font, textBounds, SystemColors.ControlText, flags);
}
}
}
/// <summary>
/// Paints the control.
/// </summary>
/// <param name="e">The <see cref="PaintEventArgs"/> instance containing the event data.</param>
protected virtual void PaintControl(PaintEventArgs e)
{
var cbi = NativeMethods.COMBOBOXINFO.FromComboBox(this);
string itemText = this.SelectedIndex >= 0 ? this.GetItemText(this.SelectedItem) : string.Empty;
ComboBoxState state = Enabled ? currentState : ComboBoxState.Disabled;
Rectangle tr = cbi.rcItem;
/*Rectangle tr = this.ClientRectangle;
* tr.Width -= (SystemInformation.VerticalScrollBarWidth + 2);
* tr.Inflate(0, -2);
* tr.Offset(1, 0);*/
Rectangle br = cbi.rcButton;
bool vsSuccess = false;
if (VisualStyleRenderer.IsSupported && Application.RenderWithVisualStyles)
{
/*Rectangle r = Rectangle.Inflate(this.ClientRectangle, 1, 1);
* if (this.DropDownStyle != ComboBoxStyle.DropDownList)
* {
* e.Graphics.Clear(this.BackColor);
* ComboBoxRenderer.DrawTextBox(e.Graphics, r, itemText, this.Font, tr, tff, state);
* ComboBoxRenderer.DrawDropDownButton(e.Graphics, br, state);
* }
* else*/
{
try
{
var vr = new VisualStyleRenderer("Combobox", this.DropDownStyle == ComboBoxStyle.DropDownList ? 5 : 4, (int)state);
vr.DrawParentBackground(e.Graphics, this.ClientRectangle, this);
vr.DrawBackground(e.Graphics, this.ClientRectangle);
if (this.DropDownStyle != ComboBoxStyle.DropDownList)
{
br.Inflate(1, 1);
}
Rectangle cr = this.DropDownStyle == ComboBoxStyle.DropDownList ? Rectangle.Inflate(br, -1, -1) : br;
vr.SetParameters("Combobox", 7, (int)(br.Contains(this.PointToClient(Cursor.Position)) ? state : ComboBoxState.Normal));
vr.DrawBackground(e.Graphics, br, cr);
if (this.Focused && State != ComboBoxState.Pressed)
{
Size sz = TextRenderer.MeasureText(e.Graphics, "Wg", this.Font, tr.Size, TextFormatFlags.Default);
Rectangle fr = Rectangle.Inflate(tr, 0, ((sz.Height - tr.Height) / 2) + 1);
ControlPaint.DrawFocusRectangle(e.Graphics, fr);
}
TextRenderer.DrawText(e.Graphics, itemText, this.Font, tr, this.ForeColor, tff);
vsSuccess = true;
}
catch { }
}
}
if (!vsSuccess)
{
System.Diagnostics.Debug.WriteLine(string.Format("CR:{0};ClR:{1};Foc:{2};St:{3};Tx:{4}", ClientRectangle, e.ClipRectangle, this.Focused, state, itemText));
e.Graphics.Clear(this.BackColor);
ControlPaint.DrawBorder3D(e.Graphics, this.ClientRectangle, Border3DStyle.Sunken);
ControlPaint.DrawComboButton(e.Graphics, br, this.Enabled ? (state == ComboBoxState.Pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive);
//using (var bb = new SolidBrush(this.BackColor))
// e.Graphics.FillRectangle(bb, tr);
if (this.Focused)
{
Size sz = TextRenderer.MeasureText(e.Graphics, "Wg", this.Font, tr.Size, TextFormatFlags.Default);
Rectangle fr = Rectangle.Inflate(tr, 0, ((sz.Height - tr.Height) / 2) + 1);
e.Graphics.FillRectangle(SystemBrushes.Highlight, fr);
ControlPaint.DrawFocusRectangle(e.Graphics, fr); //, this.ForeColor, SystemColors.Highlight);
}
TextRenderer.DrawText(e.Graphics, itemText, this.Font, tr, this.Focused ? SystemColors.HighlightText : this.ForeColor, tff);
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
object obj2;
if (this.Font.Height < 0)
{
this.Font = Control.DefaultFont;
}
if (e.Index < 0)
{
return;
}
if (e.Index < this.Items.Count)
{
obj2 = this.Items[e.Index];
}
else
{
obj2 = base.NativeGetItemText(e.Index);
}
Rectangle bounds = e.Bounds;
int num = 1;
int num2 = this.Font.Height + (2 * num);
ButtonState normal = ButtonState.Normal;
if (this.flat)
{
normal |= ButtonState.Flat;
}
if (e.Index < this.Items.Count)
{
switch (this.CheckedItems.GetCheckedState(e.Index))
{
case CheckState.Checked:
normal |= ButtonState.Checked;
break;
case CheckState.Indeterminate:
normal |= ButtonState.Checked | ButtonState.Inactive;
break;
}
}
if (Application.RenderWithVisualStyles)
{
CheckBoxState state = CheckBoxRenderer.ConvertFromButtonState(normal, false, (e.State & DrawItemState.HotLight) == DrawItemState.HotLight);
this.idealCheckSize = CheckBoxRenderer.GetGlyphSize(e.Graphics, state).Width;
}
int num3 = Math.Max((num2 - this.idealCheckSize) / 2, 0);
if ((num3 + this.idealCheckSize) > bounds.Height)
{
num3 = bounds.Height - this.idealCheckSize;
}
Rectangle rectangle = new Rectangle(bounds.X + num, bounds.Y + num3, this.idealCheckSize, this.idealCheckSize);
if (this.RightToLeft == RightToLeft.Yes)
{
rectangle.X = ((bounds.X + bounds.Width) - this.idealCheckSize) - num;
}
if (Application.RenderWithVisualStyles)
{
CheckBoxState state3 = CheckBoxRenderer.ConvertFromButtonState(normal, false, (e.State & DrawItemState.HotLight) == DrawItemState.HotLight);
CheckBoxRenderer.DrawCheckBox(e.Graphics, new Point(rectangle.X, rectangle.Y), state3);
}
else
{
ControlPaint.DrawCheckBox(e.Graphics, rectangle, normal);
}
Rectangle rect = new Rectangle((bounds.X + this.idealCheckSize) + (num * 2), bounds.Y, bounds.Width - (this.idealCheckSize + (num * 2)), bounds.Height);
if (this.RightToLeft == RightToLeft.Yes)
{
rect.X = bounds.X;
}
string s = "";
Color highlight = (this.SelectionMode != System.Windows.Forms.SelectionMode.None) ? e.BackColor : this.BackColor;
Color grayText = (this.SelectionMode != System.Windows.Forms.SelectionMode.None) ? e.ForeColor : this.ForeColor;
if (!base.Enabled)
{
grayText = SystemColors.GrayText;
}
Font font = this.Font;
s = base.GetItemText(obj2);
if ((this.SelectionMode != System.Windows.Forms.SelectionMode.None) && ((e.State & DrawItemState.Selected) == DrawItemState.Selected))
{
if (base.Enabled)
{
highlight = SystemColors.Highlight;
grayText = SystemColors.HighlightText;
}
else
{
highlight = SystemColors.InactiveBorder;
grayText = SystemColors.GrayText;
}
}
using (Brush brush = new SolidBrush(highlight))
{
e.Graphics.FillRectangle(brush, rect);
}
Rectangle layoutRectangle = new Rectangle(rect.X + 1, rect.Y, rect.Width - 1, rect.Height - (num * 2));
if (this.UseCompatibleTextRendering)
{
using (StringFormat format = new StringFormat())
{
if (base.UseTabStops)
{
float num4 = 3.6f * this.Font.Height;
float[] tabStops = new float[15];
float num5 = -(this.idealCheckSize + (num * 2));
for (int i = 1; i < tabStops.Length; i++)
{
tabStops[i] = num4;
}
if (Math.Abs(num5) < num4)
{
tabStops[0] = num4 + num5;
}
else
{
tabStops[0] = num4;
}
format.SetTabStops(0f, tabStops);
}
else if (base.UseCustomTabOffsets)
{
float[] destination = new float[base.CustomTabOffsets.Count];
base.CustomTabOffsets.CopyTo(destination, 0);
format.SetTabStops(0f, destination);
}
if (this.RightToLeft == RightToLeft.Yes)
{
format.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
}
format.FormatFlags |= StringFormatFlags.NoWrap;
format.Trimming = StringTrimming.None;
using (SolidBrush brush2 = new SolidBrush(grayText))
{
e.Graphics.DrawString(s, font, brush2, layoutRectangle, format);
}
goto Label_049B;
}
}
TextFormatFlags flags = TextFormatFlags.Default;
flags |= TextFormatFlags.NoPrefix;
if (base.UseTabStops || base.UseCustomTabOffsets)
{
flags |= TextFormatFlags.ExpandTabs;
}
if (this.RightToLeft == RightToLeft.Yes)
{
flags |= TextFormatFlags.RightToLeft;
flags |= TextFormatFlags.Right;
}
TextRenderer.DrawText(e.Graphics, s, font, layoutRectangle, grayText, flags);
Label_049B:
if (((e.State & DrawItemState.Focus) == DrawItemState.Focus) && ((e.State & DrawItemState.NoFocusRect) != DrawItemState.NoFocusRect))
{
ControlPaint.DrawFocusRectangle(e.Graphics, rect, grayText, highlight);
}
}
private Rectangle PaintPrivate(Graphics g, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts, bool computeContentBounds, bool computeErrorIconBounds, bool paint)
{
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
this.PaintBorder(g, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle empty = Rectangle.Empty;
Rectangle rectangle2 = this.BorderWidths(advancedBorderStyle);
Rectangle rect = cellBounds;
rect.Offset(rectangle2.X, rectangle2.Y);
rect.Width -= rectangle2.Right;
rect.Height -= rectangle2.Bottom;
Point currentCellAddress = base.DataGridView.CurrentCellAddress;
bool flag = (currentCellAddress.X == base.ColumnIndex) && (currentCellAddress.Y == rowIndex);
bool flag2 = (cellState & DataGridViewElementStates.Selected) != DataGridViewElementStates.None;
SolidBrush cachedBrush = base.DataGridView.GetCachedBrush((DataGridViewCell.PaintSelectionBackground(paintParts) && flag2) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
if ((paint && DataGridViewCell.PaintBackground(paintParts)) && (cachedBrush.Color.A == 0xff))
{
g.FillRectangle(cachedBrush, rect);
}
if (cellStyle.Padding != Padding.Empty)
{
if (base.DataGridView.RightToLeftInternal)
{
rect.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
rect.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
rect.Width -= cellStyle.Padding.Horizontal;
rect.Height -= cellStyle.Padding.Vertical;
}
Rectangle rectangle = rect;
string text = formattedValue as string;
if ((text != null) && (paint || computeContentBounds))
{
rect.Offset(1, 1);
rect.Width -= 3;
rect.Height -= 2;
if ((cellStyle.Alignment & anyBottom) != DataGridViewContentAlignment.NotSet)
{
rect.Height--;
}
Font linkFont = null;
Font hoverLinkFont = null;
LinkUtilities.EnsureLinkFonts(cellStyle.Font, this.LinkBehavior, ref linkFont, ref hoverLinkFont);
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(base.DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
if (paint)
{
if ((rect.Width > 0) && (rect.Height > 0))
{
Color activeLinkColor;
if ((flag && base.DataGridView.ShowFocusCues) && (base.DataGridView.Focused && DataGridViewCell.PaintFocus(paintParts)))
{
Rectangle rectangle5 = DataGridViewUtilities.GetTextBounds(rect, text, flags, cellStyle, (this.LinkState == System.Windows.Forms.LinkState.Hover) ? hoverLinkFont : linkFont);
if ((cellStyle.Alignment & anyLeft) != DataGridViewContentAlignment.NotSet)
{
rectangle5.X--;
rectangle5.Width++;
}
else if ((cellStyle.Alignment & anyRight) != DataGridViewContentAlignment.NotSet)
{
rectangle5.X++;
rectangle5.Width++;
}
rectangle5.Height += 2;
ControlPaint.DrawFocusRectangle(g, rectangle5, Color.Empty, cachedBrush.Color);
}
if ((this.LinkState & System.Windows.Forms.LinkState.Active) == System.Windows.Forms.LinkState.Active)
{
activeLinkColor = this.ActiveLinkColor;
}
else if (this.LinkVisited)
{
activeLinkColor = this.VisitedLinkColor;
}
else
{
activeLinkColor = this.LinkColor;
}
if (DataGridViewCell.PaintContentForeground(paintParts))
{
if ((flags & TextFormatFlags.SingleLine) != TextFormatFlags.Default)
{
flags |= TextFormatFlags.EndEllipsis;
}
TextRenderer.DrawText(g, text, (this.LinkState == System.Windows.Forms.LinkState.Hover) ? hoverLinkFont : linkFont, rect, activeLinkColor, flags);
}
}
else if (((flag && base.DataGridView.ShowFocusCues) && (base.DataGridView.Focused && DataGridViewCell.PaintFocus(paintParts))) && ((rectangle.Width > 0) && (rectangle.Height > 0)))
{
ControlPaint.DrawFocusRectangle(g, rectangle, Color.Empty, cachedBrush.Color);
}
}
else
{
empty = DataGridViewUtilities.GetTextBounds(rect, text, flags, cellStyle, (this.LinkState == System.Windows.Forms.LinkState.Hover) ? hoverLinkFont : linkFont);
}
linkFont.Dispose();
hoverLinkFont.Dispose();
}
else if (paint || computeContentBounds)
{
if (((flag && base.DataGridView.ShowFocusCues) && (base.DataGridView.Focused && DataGridViewCell.PaintFocus(paintParts))) && ((paint && (rect.Width > 0)) && (rect.Height > 0)))
{
ControlPaint.DrawFocusRectangle(g, rect, Color.Empty, cachedBrush.Color);
}
}
else if (computeErrorIconBounds && !string.IsNullOrEmpty(errorText))
{
empty = base.ComputeErrorIconBounds(rectangle);
}
if ((base.DataGridView.ShowCellErrors && paint) && DataGridViewCell.PaintErrorIcon(paintParts))
{
base.PaintErrorIcon(g, cellStyle, rowIndex, cellBounds, rectangle, errorText);
}
return(empty);
}
private Rectangle PaintPrivate(Graphics g, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts, bool computeContentBounds, bool computeErrorIconBounds, bool paint)
{
Rectangle empty;
Point currentCellAddress = base.DataGridView.CurrentCellAddress;
bool flag = (elementState & DataGridViewElementStates.Selected) != DataGridViewElementStates.None;
bool flag2 = (currentCellAddress.X == base.ColumnIndex) && (currentCellAddress.Y == rowIndex);
string text = formattedValue as string;
SolidBrush cachedBrush = base.DataGridView.GetCachedBrush((DataGridViewCell.PaintSelectionBackground(paintParts) && flag) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
SolidBrush brush2 = base.DataGridView.GetCachedBrush(flag ? cellStyle.SelectionForeColor : cellStyle.ForeColor);
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
this.PaintBorder(g, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
Rectangle rect = cellBounds;
Rectangle rectangle3 = this.BorderWidths(advancedBorderStyle);
rect.Offset(rectangle3.X, rectangle3.Y);
rect.Width -= rectangle3.Right;
rect.Height -= rectangle3.Bottom;
if ((rect.Height <= 0) || (rect.Width <= 0))
{
return(Rectangle.Empty);
}
if ((paint && DataGridViewCell.PaintBackground(paintParts)) && (cachedBrush.Color.A == 0xff))
{
g.FillRectangle(cachedBrush, rect);
}
if (cellStyle.Padding != Padding.Empty)
{
if (base.DataGridView.RightToLeftInternal)
{
rect.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
rect.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
rect.Width -= cellStyle.Padding.Horizontal;
rect.Height -= cellStyle.Padding.Vertical;
}
Rectangle cellValueBounds = rect;
if (((rect.Height <= 0) || (rect.Width <= 0)) || (!paint && !computeContentBounds))
{
if (computeErrorIconBounds)
{
if (!string.IsNullOrEmpty(errorText))
{
empty = base.ComputeErrorIconBounds(cellValueBounds);
}
else
{
empty = Rectangle.Empty;
}
}
else
{
empty = Rectangle.Empty;
}
goto Label_06AD;
}
if ((this.FlatStyle == System.Windows.Forms.FlatStyle.Standard) || (this.FlatStyle == System.Windows.Forms.FlatStyle.System))
{
if (base.DataGridView.ApplyVisualStylesToInnerCells)
{
if (paint && DataGridViewCell.PaintContentBackground(paintParts))
{
PushButtonState normal = PushButtonState.Normal;
if ((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal)
{
normal = PushButtonState.Pressed;
}
else if (((base.DataGridView.MouseEnteredCellAddress.Y == rowIndex) && (base.DataGridView.MouseEnteredCellAddress.X == base.ColumnIndex)) && mouseInContentBounds)
{
normal = PushButtonState.Hot;
}
if ((DataGridViewCell.PaintFocus(paintParts) && flag2) && (base.DataGridView.ShowFocusCues && base.DataGridView.Focused))
{
normal |= PushButtonState.Default;
}
DataGridViewButtonCellRenderer.DrawButton(g, rect, (int)normal);
}
empty = rect;
rect = DataGridViewButtonCellRenderer.DataGridViewButtonRenderer.GetBackgroundContentRectangle(g, rect);
}
else
{
if (paint && DataGridViewCell.PaintContentBackground(paintParts))
{
ControlPaint.DrawBorder(g, rect, SystemColors.Control, (this.ButtonState == System.Windows.Forms.ButtonState.Normal) ? ButtonBorderStyle.Outset : ButtonBorderStyle.Inset);
}
empty = rect;
rect.Inflate(-SystemInformation.Border3DSize.Width, -SystemInformation.Border3DSize.Height);
}
goto Label_06AD;
}
if (this.FlatStyle != System.Windows.Forms.FlatStyle.Flat)
{
rect.Inflate(-1, -1);
if (paint && DataGridViewCell.PaintContentBackground(paintParts))
{
if ((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal)
{
ButtonBaseAdapter.ColorData data2 = ButtonBaseAdapter.PaintPopupRender(g, cellStyle.ForeColor, cellStyle.BackColor, base.DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(g, rect, data2.options.highContrast ? data2.windowText : data2.windowFrame, true);
ControlPaint.DrawBorder(g, rect, data2.options.highContrast ? data2.windowText : data2.buttonShadow, ButtonBorderStyle.Solid);
}
else if (((base.DataGridView.MouseEnteredCellAddress.Y == rowIndex) && (base.DataGridView.MouseEnteredCellAddress.X == base.ColumnIndex)) && mouseInContentBounds)
{
ButtonBaseAdapter.ColorData colors = ButtonBaseAdapter.PaintPopupRender(g, cellStyle.ForeColor, cellStyle.BackColor, base.DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(g, rect, colors.options.highContrast ? colors.windowText : colors.buttonShadow, false);
ButtonBaseAdapter.Draw3DLiteBorder(g, rect, colors, true);
}
else
{
ButtonBaseAdapter.ColorData data4 = ButtonBaseAdapter.PaintPopupRender(g, cellStyle.ForeColor, cellStyle.BackColor, base.DataGridView.Enabled).Calculate();
ButtonBaseAdapter.DrawDefaultBorder(g, rect, data4.options.highContrast ? data4.windowText : data4.buttonShadow, false);
ButtonBaseAdapter.DrawFlatBorder(g, rect, data4.options.highContrast ? data4.windowText : data4.buttonShadow);
}
}
empty = rect;
goto Label_06AD;
}
rect.Inflate(-1, -1);
if (paint && DataGridViewCell.PaintContentBackground(paintParts))
{
ButtonBaseAdapter.DrawDefaultBorder(g, rect, brush2.Color, true);
if (cachedBrush.Color.A == 0xff)
{
if ((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal)
{
ButtonBaseAdapter.ColorData data = ButtonBaseAdapter.PaintFlatRender(g, cellStyle.ForeColor, cellStyle.BackColor, base.DataGridView.Enabled).Calculate();
IntPtr hdc = g.GetHdc();
try
{
using (WindowsGraphics graphics = WindowsGraphics.FromHdc(hdc))
{
WindowsBrush brush3;
if (data.options.highContrast)
{
brush3 = new WindowsSolidBrush(graphics.DeviceContext, data.buttonShadow);
}
else
{
brush3 = new WindowsSolidBrush(graphics.DeviceContext, data.lowHighlight);
}
try
{
ButtonBaseAdapter.PaintButtonBackground(graphics, rect, brush3);
}
finally
{
brush3.Dispose();
}
}
goto Label_04CF;
}
finally
{
g.ReleaseHdc();
}
}
if (((base.DataGridView.MouseEnteredCellAddress.Y == rowIndex) && (base.DataGridView.MouseEnteredCellAddress.X == base.ColumnIndex)) && mouseInContentBounds)
{
IntPtr hDc = g.GetHdc();
try
{
using (WindowsGraphics graphics2 = WindowsGraphics.FromHdc(hDc))
{
Color controlDark = SystemColors.ControlDark;
using (WindowsBrush brush4 = new WindowsSolidBrush(graphics2.DeviceContext, controlDark))
{
ButtonBaseAdapter.PaintButtonBackground(graphics2, rect, brush4);
}
}
}
finally
{
g.ReleaseHdc();
}
}
}
}
Label_04CF:
empty = rect;
Label_06AD:
if (((paint && DataGridViewCell.PaintFocus(paintParts)) && (flag2 && base.DataGridView.ShowFocusCues)) && ((base.DataGridView.Focused && (rect.Width > ((2 * SystemInformation.Border3DSize.Width) + 1))) && (rect.Height > ((2 * SystemInformation.Border3DSize.Height) + 1))))
{
if ((this.FlatStyle == System.Windows.Forms.FlatStyle.System) || (this.FlatStyle == System.Windows.Forms.FlatStyle.Standard))
{
ControlPaint.DrawFocusRectangle(g, Rectangle.Inflate(rect, -1, -1), Color.Empty, SystemColors.Control);
}
else if (this.FlatStyle == System.Windows.Forms.FlatStyle.Flat)
{
if (((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal) || ((base.DataGridView.CurrentCellAddress.Y == rowIndex) && (base.DataGridView.CurrentCellAddress.X == base.ColumnIndex)))
{
ButtonBaseAdapter.ColorData data5 = ButtonBaseAdapter.PaintFlatRender(g, cellStyle.ForeColor, cellStyle.BackColor, base.DataGridView.Enabled).Calculate();
string str2 = (text != null) ? text : string.Empty;
ButtonBaseAdapter.LayoutOptions options = ButtonFlatAdapter.PaintFlatLayout(g, true, SystemInformation.HighContrast, 1, rect, Padding.Empty, false, cellStyle.Font, str2, base.DataGridView.Enabled, DataGridViewUtilities.ComputeDrawingContentAlignmentForCellStyleAlignment(cellStyle.Alignment), base.DataGridView.RightToLeft);
options.everettButtonCompat = false;
ButtonBaseAdapter.LayoutData data6 = options.Layout();
ButtonBaseAdapter.DrawFlatFocus(g, data6.focus, data5.options.highContrast ? data5.windowText : data5.constrastButtonShadow);
}
}
else if (((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal) || ((base.DataGridView.CurrentCellAddress.Y == rowIndex) && (base.DataGridView.CurrentCellAddress.X == base.ColumnIndex)))
{
bool up = this.ButtonState == System.Windows.Forms.ButtonState.Normal;
string str3 = (text != null) ? text : string.Empty;
ButtonBaseAdapter.LayoutOptions options2 = ButtonPopupAdapter.PaintPopupLayout(g, up, SystemInformation.HighContrast ? 2 : 1, rect, Padding.Empty, false, cellStyle.Font, str3, base.DataGridView.Enabled, DataGridViewUtilities.ComputeDrawingContentAlignmentForCellStyleAlignment(cellStyle.Alignment), base.DataGridView.RightToLeft);
options2.everettButtonCompat = false;
ButtonBaseAdapter.LayoutData data7 = options2.Layout();
ControlPaint.DrawFocusRectangle(g, data7.focus, cellStyle.ForeColor, cellStyle.BackColor);
}
}
if (((text != null) && paint) && DataGridViewCell.PaintContentForeground(paintParts))
{
rect.Offset(2, 1);
rect.Width -= 4;
rect.Height -= 2;
if ((((this.ButtonState & (System.Windows.Forms.ButtonState.Checked | System.Windows.Forms.ButtonState.Pushed)) != System.Windows.Forms.ButtonState.Normal) && (this.FlatStyle != System.Windows.Forms.FlatStyle.Flat)) && (this.FlatStyle != System.Windows.Forms.FlatStyle.Popup))
{
rect.Offset(1, 1);
rect.Width--;
rect.Height--;
}
if ((rect.Width > 0) && (rect.Height > 0))
{
Color color;
if (base.DataGridView.ApplyVisualStylesToInnerCells && ((this.FlatStyle == System.Windows.Forms.FlatStyle.System) || (this.FlatStyle == System.Windows.Forms.FlatStyle.Standard)))
{
color = DataGridViewButtonCellRenderer.DataGridViewButtonRenderer.GetColor(ColorProperty.TextColor);
}
else
{
color = brush2.Color;
}
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(base.DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
TextRenderer.DrawText(g, text, cellStyle.Font, rect, color, flags);
}
}
if ((base.DataGridView.ShowCellErrors && paint) && DataGridViewCell.PaintErrorIcon(paintParts))
{
base.PaintErrorIcon(g, cellStyle, rowIndex, cellBounds, cellValueBounds, errorText);
}
return(empty);
}
/// <summary>
/// Paints the control.
/// </summary>
/// <param name="e">The <see cref="PaintEventArgs"/> instance containing the event data.</param>
protected virtual void PaintControl(PaintEventArgs e)
{
var cbi = NativeMethods.COMBOBOXINFO.FromComboBox(this);
var itemText = SelectedIndex >= 0 ? GetItemText(SelectedItem) : string.Empty;
var state = Enabled ? currentState : ComboBoxState.Disabled;
Rectangle tr = cbi.rcItem;
/*Rectangle tr = this.ClientRectangle;
* tr.Width -= (SystemInformation.VerticalScrollBarWidth + 2);
* tr.Inflate(0, -2);
* tr.Offset(1, 0);*/
Rectangle br = cbi.rcButton;
var vsSuccess = false;
if (VisualStyleRenderer.IsSupported && Application.RenderWithVisualStyles)
{
/*Rectangle r = Rectangle.Inflate(this.ClientRectangle, 1, 1);
* if (this.DropDownStyle != ComboBoxStyle.DropDownList)
* {
* e.Graphics.Clear(this.BackColor);
* ComboBoxRenderer.DrawTextBox(e.Graphics, r, itemText, this.Font, tr, tff, state);
* ComboBoxRenderer.DrawDropDownButton(e.Graphics, br, state);
* }
* else*/
{
try
{
var vr = new VisualStyleRenderer("Combobox", DropDownStyle == ComboBoxStyle.DropDownList ? 5 : 4, (int)state);
vr.DrawParentBackground(e.Graphics, ClientRectangle, this);
vr.DrawBackground(e.Graphics, ClientRectangle);
if (DropDownStyle != ComboBoxStyle.DropDownList)
{
br.Inflate(1, 1);
}
var cr = DropDownStyle == ComboBoxStyle.DropDownList ? Rectangle.Inflate(br, -1, -1) : br;
vr.SetParameters("Combobox", 7, (int)(br.Contains(PointToClient(Cursor.Position)) ? state : ComboBoxState.Normal));
vr.DrawBackground(e.Graphics, br, cr);
if (Focused && State != ComboBoxState.Pressed)
{
var sz = TextRenderer.MeasureText(e.Graphics, "Wg", Font, tr.Size, TextFormatFlags.Default);
var fr = Rectangle.Inflate(tr, 0, (sz.Height - tr.Height) / 2 + 1);
ControlPaint.DrawFocusRectangle(e.Graphics, fr);
}
var fgc = Enabled ? ForeColor : SystemColors.GrayText;
TextRenderer.DrawText(e.Graphics, itemText, Font, tr, fgc, tff);
vsSuccess = true;
}
catch { }
}
}
if (!vsSuccess)
{
Diagnostics.Debug.WriteLine($"CR:{ClientRectangle};ClR:{e.ClipRectangle};Foc:{Focused};St:{state};Tx:{itemText}");
var focusedNotPressed = Focused && state != ComboBoxState.Pressed;
var bgc = Enabled ? (focusedNotPressed ? SystemColors.Highlight : BackColor) : SystemColors.Control;
var fgc = Enabled ? (focusedNotPressed ? SystemColors.HighlightText : ForeColor) : SystemColors.GrayText;
e.Graphics.Clear(bgc);
ControlPaint.DrawBorder3D(e.Graphics, ClientRectangle, Border3DStyle.Sunken);
ControlPaint.DrawComboButton(e.Graphics, br, Enabled ? (state == ComboBoxState.Pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive);
tr = new Rectangle(tr.X + 3, tr.Y + 1, tr.Width - 4, tr.Height - 2);
TextRenderer.DrawText(e.Graphics, itemText, Font, tr, fgc, tff);
if (focusedNotPressed)
{
var fr = Rectangle.Inflate(cbi.rcItem, -1, -1);
fr.Height++;
fr.Width++;
ControlPaint.DrawFocusRectangle(e.Graphics, fr, fgc, bgc);
e.Graphics.DrawRectangle(SystemPens.Window, cbi.rcItem);
}
}
}