protected override void OnMouseDown(DataGridViewCellMouseEventArgs e)
{
base.OnMouseDown(e);
linkState = LinkState.Active;
DataGridView.InvalidateCell(this);
}
private void ToggleCheckState()
{
CheckState cs = GetCurrentValue();
if (threeState)
{
if (cs == CheckState.Indeterminate)
{
editingCellFormattedValue = CheckState.Unchecked;
}
else if (cs == CheckState.Checked)
{
editingCellFormattedValue = CheckState.Indeterminate;
}
else
{
editingCellFormattedValue = CheckState.Checked;
}
}
else
{
if (cs == CheckState.Checked)
{
editingCellFormattedValue = false;
}
else
{
editingCellFormattedValue = true;
}
}
editingCellValueChanged = true;
DataGridView.InvalidateCell(this);
}
protected override void OnMouseLeave(int rowIndex)
{
if (DataGridView is null)
{
return;
}
if (mouseInContentBounds)
{
mouseInContentBounds = false;
if (ColumnIndex >= 0 &&
rowIndex >= 0 &&
(DataGridView.ApplyVisualStylesToInnerCells || FlatStyle == FlatStyle.Flat || FlatStyle == FlatStyle.Popup))
{
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
}
if ((ButtonState & ButtonState.Pushed) != 0 &&
ColumnIndex == DataGridView.MouseDownCellAddress.X &&
rowIndex == DataGridView.MouseDownCellAddress.Y)
{
UpdateButtonState(ButtonState & ~ButtonState.Pushed, rowIndex);
}
}
protected override void OnMouseUp(DataGridViewCellMouseEventArgs e)
{
base.OnMouseUp(e);
linkState = LinkState.Hover;
LinkVisited = true;
DataGridView.InvalidateCell(this);
}
protected override void OnMouseUp(DataGridViewCellMouseEventArgs e)
{
if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
{
button_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnKeyUp(KeyEventArgs e, int rowIndex)
{
if ((e.KeyData & Keys.Space) == Keys.Space)
{
linkState = LinkState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnMouseMove(DataGridViewCellMouseEventArgs e)
{
if (!ReadOnly && check_state != PushButtonState.Normal && check_state != PushButtonState.Hot)
{
check_state = PushButtonState.Hot;
DataGridView.InvalidateCell(this);
}
}
protected override void OnLeave(int rowIndex, bool throughMouseClick)
{
if (!ReadOnly && check_state != PushButtonState.Normal)
{
check_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
private void UpdateButtonState(ButtonState newButtonState, int rowIndex)
{
if (ButtonState != newButtonState)
{
ButtonState = newButtonState;
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
}
protected override void OnMouseLeave(int rowIndex)
{
base.OnMouseLeave(rowIndex);
linkState = LinkState.Normal;
DataGridView.InvalidateCell(this);
DataGridView.Cursor = parent_cursor;
}
protected override void OnMouseLeave(int rowIndex)
{
if (button_state != PushButtonState.Normal)
{
button_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnKeyUp(KeyEventArgs e, int rowIndex)
{
// when activated by the SPACE key, this method updates the cell's user interface
if (!ReadOnly && (e.KeyData & Keys.Space) == Keys.Space)
{
check_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnMouseUp(DataGridViewCellMouseEventArgs e)
{
// if activated by the left mouse button, this method updates the cell's user interface
if (!ReadOnly && (e.Button & MouseButtons.Left) == MouseButtons.Left)
{
check_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnMouseLeave(int rowIndex)
{
// if the cell's button is not in its normal state, this method causes the cell's user interface to be updated.
if (!ReadOnly && check_state != PushButtonState.Normal)
{
check_state = PushButtonState.Normal;
DataGridView.InvalidateCell(this);
}
}
protected override void OnKeyDown(KeyEventArgs e, int rowIndex)
{
// when activated by the SPACE key, this method updates the cell's user interface
if ((e.KeyData & Keys.Space) == Keys.Space)
{
button_state = PushButtonState.Pressed;
DataGridView.InvalidateCell(this);
}
}
protected override void OnMouseMove(DataGridViewCellMouseEventArgs e)
{
base.OnMouseMove(e);
if (linkState != LinkState.Hover)
{
linkState = LinkState.Hover;
DataGridView.InvalidateCell(this);
parent_cursor = DataGridView.Cursor;
DataGridView.Cursor = Cursors.Hand;
}
}
protected override void OnMouseDown(DataGridViewCellMouseEventArgs e)
{
if (DataGridView == null)
{
return;
}
if (LinkBoundsContainPoint(e.X, e.Y, e.RowIndex))
{
LinkState |= LinkState.Active;
DataGridView.InvalidateCell(ColumnIndex, e.RowIndex);
}
base.OnMouseDown(e);
}
protected override void OnMouseLeave(int rowIndex)
{
if (DataGridView == null)
{
return;
}
if (DataGridView.ApplyVisualStylesToHeaderCells)
{
if (ButtonState != ButtonState.Normal)
{
Debug.Assert(ButtonState == ButtonState.Pushed);
Debug.Assert(ColumnIndex == DataGridView.MouseDownCellAddress.X);
Debug.Assert(rowIndex == DataGridView.MouseDownCellAddress.Y);
UpdateButtonState(ButtonState.Normal, rowIndex);
}
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
}
protected override void OnMouseEnter(int rowIndex)
{
if (DataGridView == null)
{
return;
}
if (DataGridView.ApplyVisualStylesToHeaderCells)
{
if (ColumnIndex == DataGridView.MouseDownCellAddress.X &&
rowIndex == DataGridView.MouseDownCellAddress.Y &&
ButtonState == ButtonState.Normal &&
Control.MouseButtons == MouseButtons.Left &&
!DataGridView.ResizingOperationAboutToStart)
{
UpdateButtonState(ButtonState.Pushed, rowIndex);
}
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
}
protected override void OnMouseLeave(int rowIndex)
{
if (DataGridView == null)
{
return;
}
if (dataGridViewCursor != null)
{
DataGridView.Cursor = dataGridViewCursor;
dataGridViewCursor = null;
}
if (LinkState != LinkState.Normal)
{
LinkState = LinkState.Normal;
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
base.OnMouseLeave(rowIndex);
}
public override void DoDefaultAction()
{
DataGridViewCheckBoxCell dataGridViewCell = (DataGridViewCheckBoxCell)Owner;
DataGridView dataGridView = dataGridViewCell.DataGridView;
if (dataGridView != null && dataGridViewCell.RowIndex == -1)
{
throw new InvalidOperationException(SR.DataGridView_InvalidOperationOnSharedCell);
}
if (!dataGridViewCell.ReadOnly && dataGridViewCell.OwningColumn != null && dataGridViewCell.OwningRow != null)
{
dataGridView.CurrentCell = dataGridViewCell;
bool endEditMode = false;
if (!dataGridView.IsCurrentCellInEditMode)
{
endEditMode = true;
dataGridView.BeginEdit(false /*selectAll*/);
}
if (dataGridView.IsCurrentCellInEditMode)
{
if (dataGridViewCell.SwitchFormattedValue())
{
dataGridViewCell.NotifyDataGridViewOfValueChange();
dataGridView.InvalidateCell(dataGridViewCell.ColumnIndex, dataGridViewCell.RowIndex);
// notify MSAA clients that the default action changed
if (Owner is DataGridViewCheckBoxCell checkBoxCell)
{
checkBoxCell.NotifyMASSClient(new Point(dataGridViewCell.ColumnIndex, dataGridViewCell.RowIndex));
}
}
if (endEditMode)
{
dataGridView.EndEdit();
}
}
}
}
protected override void OnMouseMove(DataGridViewCellMouseEventArgs e)
{
if (DataGridView is null)
{
return;
}
if (LinkBoundsContainPoint(e.X, e.Y, e.RowIndex))
{
if ((LinkState & LinkState.Hover) == 0)
{
LinkState |= LinkState.Hover;
DataGridView.InvalidateCell(ColumnIndex, e.RowIndex);
}
if (s_dataGridViewCursor is null)
{
s_dataGridViewCursor = DataGridView.UserSetCursor;
}
if (DataGridView.Cursor != Cursors.Hand)
{
DataGridView.Cursor = Cursors.Hand;
}
}
else
{
if ((LinkState & LinkState.Hover) != 0)
{
LinkState &= ~LinkState.Hover;
DataGridView.Cursor = s_dataGridViewCursor;
DataGridView.InvalidateCell(ColumnIndex, e.RowIndex);
}
}
base.OnMouseMove(e);
}
protected override void OnMouseMove(DataGridViewCellMouseEventArgs e)
{
if (DataGridView == null)
{
return;
}
bool oldMouseInContentBounds = mouseInContentBounds;
mouseInContentBounds = GetContentBounds(e.RowIndex).Contains(e.X, e.Y);
if (oldMouseInContentBounds != mouseInContentBounds)
{
if (DataGridView.ApplyVisualStylesToInnerCells || FlatStyle == FlatStyle.Flat || FlatStyle == FlatStyle.Popup)
{
DataGridView.InvalidateCell(ColumnIndex, e.RowIndex);
}
if (e.ColumnIndex == DataGridView.MouseDownCellAddress.X &&
e.RowIndex == DataGridView.MouseDownCellAddress.Y &&
Control.MouseButtons == MouseButtons.Left)
{
if ((ButtonState & ButtonState.Pushed) == 0 &&
mouseInContentBounds &&
DataGridView.CellMouseDownInContentBounds)
{
UpdateButtonState(ButtonState | ButtonState.Pushed, e.RowIndex);
}
else if ((ButtonState & ButtonState.Pushed) != 0 && !mouseInContentBounds)
{
UpdateButtonState(ButtonState & ~ButtonState.Pushed, e.RowIndex);
}
}
}
base.OnMouseMove(e);
}
private void UpdateButtonState(ButtonState newButtonState, int rowIndex)
{
Debug.Assert(DataGridView != null);
ButtonStatePrivate = newButtonState;
DataGridView.InvalidateCell(ColumnIndex, rowIndex);
}
