internal override void DrawImageCore(Graphics graphics, Image image, Rectangle imageBounds, Point imageStart, ButtonBaseAdapter.LayoutData layout)
 {
     ControlPaint.DrawImageReplaceColor(graphics, image, imageBounds, Color.Black, Control.ForeColor);
     //ControlPaint.DrawImageColorized(graphics, image, imageBounds , Control.ForeColor);
 }
        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);
        }
Beispiel #3
0
        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);
        }
Beispiel #4
0
 internal override void DrawImageCore(Graphics graphics, Image image, Rectangle imageBounds, Point imageStart, ButtonBaseAdapter.LayoutData layout)
 {
     ControlPaint.DrawImageReplaceColor(graphics, image, imageBounds, Color.Black, IsHighContrastHighlighted() && !Control.MouseIsDown ? SystemColors.HighlightText : Control.ForeColor);
 }