/// <summary>
/// Handles the <see cref="ToolStripControlHost.LostFocus"/> event.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// A <see cref="EventArgs"/> that contains the event data.
/// </param>
private void MonthCalendarHostLostFocus(object sender, EventArgs e)
{
if (this._isDropped)
{
this._buttonState = ComboButtonState.None;
this.dropDown.Close(ToolStripDropDownCloseReason.AppFocusChange);
}
this.FocusChanged(this, EventArgs.Empty);
}
/// <summary>
/// Handles the <see cref="EnhancedMonthCalendar.DateClicked"/> event.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// A <see cref="DateEventArgs"/> that contains the event data.
/// </param>
private void EnhancedMonthCalendarDateClicked(object sender, DateEventArgs e)
{
if (this.ClosePickerOnDayClick)
{
this._buttonState = ComboButtonState.Normal;
this.dropDown.Close(ToolStripDropDownCloseReason.ItemClicked);
}
}
/// <summary>
/// Handles the <see cref="EnhancedMonthCalendar.DateSelected"/> event.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// A <see cref="DateRangeEventArgs"/> that contains the event data.
/// </param>
private void EnhancedMonthCalendarDateSelected(object sender, DateRangeEventArgs e)
{
this._buttonState = ComboButtonState.Normal;
this.dropDown.Close(ToolStripDropDownCloseReason.ItemClicked);
this.dateTextBox.Date = e.Start;
}
/// <summary>Shows or closes the picker according to the current picker RequestState.</summary>
internal void SwitchPickerState()
{
if (this._isDropped)
{
this._buttonState = ComboButtonState.Hot;
this._isDropped = false;
this.dropDown.Close(ToolStripDropDownCloseReason.CloseCalled);
this.Focus();
}
else
{
if (this._buttonState == ComboButtonState.Pressed)
{
this._buttonState = ComboButtonState.Hot;
}
else if (this._buttonState == ComboButtonState.None)
{
this._buttonState = ComboButtonState.Hot;
}
else
{
this._buttonState = ComboButtonState.Pressed;
this.Refresh();
this.ShowDropDown();
}
}
}
/// <summary>
/// Is raised when the toolstrip drop down is closing.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// A <see cref="ToolStripDropDownClosingEventArgs"/> instance which holds the event data.
/// </param>
private void DropDownClosing(object sender, ToolStripDropDownClosingEventArgs e)
{
if (this._cancelClosing)
{
this._cancelClosing = false;
e.Cancel = true;
}
else
{
if (e.CloseReason == ToolStripDropDownCloseReason.CloseCalled)
{
this._buttonState = ComboButtonState.Hot;
this.Invalidate();
}
else
{
this._isDropped = false;
}
}
}
/// <summary>
/// Raises the <see cref="Control.LostFocus"/> event.
/// </summary>
/// <param name="e">A <see cref="EventArgs"/> that contains the event data.</param>
protected override void OnLostFocus(EventArgs e)
{
if (!this.isDropped)
{
this.buttonState = ComboButtonState.Normal;
this.Invalidate();
}
if (!this.Focused)
{
base.OnLostFocus(e);
}
}
/// <summary>
/// Raises the <see cref="Control.MouseMove"/> event.
/// </summary>
/// <param name="e">A <see cref="MouseEventArgs"/> that contains the event data.</param>
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (e.Button == MouseButtons.None && !this.isDropped)
{
ComboButtonState st = this.buttonState;
this.buttonState = this.buttonBounds.Contains(e.Location) ?
ComboButtonState.Hot : ComboButtonState.Normal;
if (st != this.buttonState)
{
this.Invalidate();
}
}
}
/// <summary>
/// Raises the mouse leave event.
/// </summary>
/// <param name="e">The event args.</param>
protected override void OnMouseLeave(EventArgs e)
{
if (!this.isDropped)
{
this.buttonState = ComboButtonState.Normal;
this.Invalidate();
}
base.OnMouseLeave(e);
}
/// <summary>
/// Raises the mouse enter event.
/// </summary>
/// <param name="e">The event args.</param>
protected override void OnMouseEnter(EventArgs e)
{
if (!this.isDropped)
{
this.buttonState = ComboButtonState.Hot;
this.Refresh();
}
base.OnMouseEnter(e);
}
/// <summary>
/// Draws the combobox button.
/// </summary>
/// <param name="g">The <see cref="Graphics"/> object used to draw.</param>
/// <param name="rect">The <see cref="Rectangle"/> in which to draw.</param>
/// <param name="buttonState">The <see cref="ComboButtonState"/>.</param>
/// <param name="enabled">true if the button should be drawn enabled; false otherwise.</param>
private static void DrawButton(Graphics g, Rectangle rect, ComboButtonState buttonState, bool enabled)
{
if (g == null || rect.IsEmpty || rect.Width != 14)
{
return;
}
ButtonColors btnColors = ColorArray[0];
switch (buttonState)
{
case ComboButtonState.Hot:
{
btnColors = ColorArray[1];
break;
}
case ComboButtonState.Pressed:
{
btnColors = ColorArray[2];
break;
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect,
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.TL),
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BL),
LinearGradientMode.Vertical))
{
using (Pen p = new Pen(brush))
{
g.DrawLine(p, rect.X, rect.Y, rect.X, rect.Bottom);
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect,
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BB),
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BR),
LinearGradientMode.Horizontal))
{
using (Pen p = new Pen(brush))
{
g.DrawLine(p, rect.X + 1, rect.Bottom, rect.Right, rect.Bottom);
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect,
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.TRR),
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BR),
LinearGradientMode.Vertical))
{
using (Pen p = new Pen(brush))
{
g.DrawLine(p, rect.Right, rect.Y, rect.Right, rect.Bottom);
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect,
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.TL),
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.TR),
LinearGradientMode.Horizontal))
{
using (Pen p = new Pen(brush))
{
g.DrawLine(p, rect.X, rect.Y, rect.Right - 1, rect.Y);
}
}
Rectangle r = rect;
r.X++;
r.Y++;
r.Width--;
r.Height--;
using (LinearGradientBrush brush = new LinearGradientBrush(
r,
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BS),
MonthCalendarAbstractRenderer.GetGrayColor(enabled, btnColors.BE),
45f))
{
g.FillRectangle(brush, r);
}
r.X += 2;
r.Y += (rect.Height / 2) - 3;
r.Width = 9;
r.Height = 6;
using (Bitmap arrow = MonthCalendarControl.Properties.MonthCalendarResources.ComboArrowDown)
{
if (enabled)
{
g.DrawImage(arrow, r);
}
else
{
ControlPaint.DrawImageDisabled(g, arrow, r.X, r.Y, Color.Transparent);
}
}
}