protected override void DrawFlatComboDropDown(ComboBox comboBox, Graphics g, Rectangle dropDownRect)
{
if (UseBaseAdapter(comboBox))
{
base.DrawFlatComboDropDown(comboBox, g, dropDownRect);
return;
}
if (!comboBox.Enabled || !ToolStripManager.VisualStylesEnabled)
{
g.FillRectangle(SystemBrushes.Control, dropDownRect);
}
else
{
ToolStripComboBoxControl toolStripComboBox = comboBox as ToolStripComboBoxControl;
ProfessionalColorTable colorTable = GetColorTable(toolStripComboBox);
if (!comboBox.DroppedDown)
{
bool focused = comboBox.ContainsFocus || comboBox.MouseIsOver;
if (focused)
{
using (Brush b = new LinearGradientBrush(dropDownRect, colorTable.ComboBoxButtonSelectedGradientBegin, colorTable.ComboBoxButtonSelectedGradientEnd, LinearGradientMode.Vertical)) {
g.FillRectangle(b, dropDownRect);
}
}
else if (toolStripComboBox.Owner.IsOnOverflow)
{
using (Brush b = new SolidBrush(colorTable.ComboBoxButtonOnOverflow)) {
g.FillRectangle(b, dropDownRect);
}
}
else
{
using (Brush b = new LinearGradientBrush(dropDownRect, colorTable.ComboBoxButtonGradientBegin, colorTable.ComboBoxButtonGradientEnd, LinearGradientMode.Vertical)) {
g.FillRectangle(b, dropDownRect);
}
}
}
else
{
using (Brush b = new LinearGradientBrush(dropDownRect, colorTable.ComboBoxButtonPressedGradientBegin, colorTable.ComboBoxButtonPressedGradientEnd, LinearGradientMode.Vertical)) {
g.FillRectangle(b, dropDownRect);
}
}
}
Brush brush = (comboBox.Enabled) ? SystemBrushes.ControlText : SystemBrushes.GrayText;
Point middle = new Point(dropDownRect.Left + dropDownRect.Width / 2, dropDownRect.Top + dropDownRect.Height / 2);
// if the width is odd - favor pushing it over one pixel right.
middle.X += (dropDownRect.Width % 2);
g.FillPolygon(brush, new Point[] {
new Point(middle.X - FlatComboAdapter.Offset2X, middle.Y - 1),
new Point(middle.X + FlatComboAdapter.Offset2X + 1, middle.Y - 1),
new Point(middle.X, middle.Y + FlatComboAdapter.Offset2Y)
});
}
private static Control CreateControlInstance()
{
ComboBox comboBox = new ToolStripComboBoxControl();
comboBox.FlatStyle = FlatStyle.Popup;
comboBox.Font = ToolStripManager.DefaultFont;
return(comboBox);
}
private static ProfessionalColorTable GetColorTable(ToolStripComboBoxControl toolStripComboBoxControl)
{
if (toolStripComboBoxControl != null)
{
return(toolStripComboBoxControl.ColorTable);
}
return(ProfessionalColors.ColorTable);
}
private static bool UseBaseAdapter(ComboBox comboBox)
{
ToolStripComboBoxControl toolStripComboBox = comboBox as ToolStripComboBoxControl;
if (toolStripComboBox == null || !(toolStripComboBox.Owner.Renderer is ToolStripProfessionalRenderer))
{
Debug.Assert(toolStripComboBox != null, "Why are we here and not a toolstrip combo?");
return(true);
}
return(false);
}
public void ToolStripComboBoxControlAccessibleObject_ctor_default()
{
using ToolStripComboBox toolStripComboBox = new ToolStripComboBox();
ToolStripComboBoxControl control = (ToolStripComboBoxControl)toolStripComboBox.ComboBox;
control.CreateControl();
ToolStripComboBoxControlAccessibleObject accessibleObject = new ToolStripComboBoxControlAccessibleObject(control);
Assert.Equal(control, accessibleObject.Owner);
Assert.True(control.IsHandleCreated);
}
/// <include file='doc\ToolStripComboBox.uex' path='docs/doc[@for="ToolStripComboBox.ToolStripComboBox"]/*' />
public ToolStripComboBox() : base(CreateControlInstance())
{
ToolStripComboBoxControl combo = Control as ToolStripComboBoxControl;
combo.Owner = this;
if (DpiHelper.EnableToolStripHighDpiImprovements)
{
scaledPadding = DpiHelper.LogicalToDeviceUnits(padding);
scaledDropDownPadding = DpiHelper.LogicalToDeviceUnits(dropDownPadding);
}
}
public ToolStripComboBox() : base(CreateControlInstance())
{
ToolStripComboBoxControl combo = Control as ToolStripComboBoxControl;
combo.Owner = this;
if (DpiHelper.IsScalingRequirementMet)
{
_scaledPadding = DpiHelper.LogicalToDeviceUnits(s_padding);
_scaledDropDownPadding = DpiHelper.LogicalToDeviceUnits(s_dropDownPadding);
}
}
public void ToolStripComboBoxControlAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole(AccessibleRole role)
{
using ToolStripComboBox toolStripComboBox = new ToolStripComboBox();
toolStripComboBox.AccessibleRole = role;
ToolStripComboBoxControl control = (ToolStripComboBoxControl)toolStripComboBox.ComboBox;
control.CreateControl();
AccessibleObject accessibleObject = toolStripComboBox.AccessibilityObject;
object actual = accessibleObject.GetPropertyValue(UiaCore.UIA.ControlTypePropertyId);
Assert.Equal(role, accessibleObject.Role);
UiaCore.UIA expected = AccessibleRoleControlTypeMap.GetControlType(role);
Assert.Equal(expected, actual);
}
public void ToolStripComboBoxControlAccessibleObject_ControlType_IsComboBox_IfAccessibleRoleIsDefault()
{
using ToolStripComboBox toolStripComboBox = new ToolStripComboBox();
// AccessibleRole is not set = Default
ToolStripComboBoxControl control = (ToolStripComboBoxControl)toolStripComboBox.ComboBox;
control.CreateControl();
AccessibleObject accessibleObject = toolStripComboBox.AccessibilityObject;
object actual = accessibleObject.GetPropertyValue(UiaCore.UIA.ControlTypePropertyId);
Assert.Equal(AccessibleRole.ComboBox, accessibleObject.Role);
Assert.Equal(UiaCore.UIA.ComboBoxControlTypeId, actual);
Assert.True(control.IsHandleCreated);
}
public ToolStripComboBoxControlAccessibleObject(ToolStripComboBoxControl toolStripComboBoxControl)
: base(toolStripComboBoxControl)
{
}
private static ProfessionalColorTable GetColorTable(ToolStripComboBoxControl toolStripComboBoxControl) {
if (toolStripComboBoxControl != null) {
return toolStripComboBoxControl.ColorTable;
}
return ProfessionalColors.ColorTable;
}
private static Control CreateControlInstance() {
ComboBox comboBox = new ToolStripComboBoxControl();
comboBox.FlatStyle = FlatStyle.Popup;
comboBox.Font = ToolStripManager.DefaultFont;
return comboBox;
}
public ToolStripComboBoxControlAccessibleObject(ToolStripComboBoxControl toolStripComboBoxControl) : base(toolStripComboBoxControl)
{
childAccessibleObject = new ChildAccessibleObject(toolStripComboBoxControl, toolStripComboBoxControl.Handle);
}
public ToolStripComboBox() : base(CreateControlInstance())
{
ToolStripComboBoxControl control = base.Control as ToolStripComboBoxControl;
control.Owner = this;
}