private void button1_Click(object sender, System.EventArgs e)
{
this.colorform = new ColorSelectorLarge();
this.colorform.Color = this.Color;
var popup = new Popup(this.colorform, this);
popup.AnimationSpeed = 0;
popup.DropDownClosed += this.popup_DropDownClosed;
popup.Show();
}
public PopupForm(Popup popup)
{
this.mPopup = popup;
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.FormBorderStyle = FormBorderStyle.None;
this.StartPosition = FormStartPosition.Manual;
this.ShowInTaskbar = false;
this.DockPadding.All = PopupForm.BORDER_MARGIN;
this.mControlSize = this.mPopup.UserControl.Size;
this.mPopup.UserControl.Dock = DockStyle.Fill;
this.Controls.Add(this.mPopup.UserControl);
this.mWindowSize.Width = this.mControlSize.Width + 2*PopupForm.BORDER_MARGIN;
this.mWindowSize.Height = this.mControlSize.Height + 2*PopupForm.BORDER_MARGIN;
this.Opacity = popup.Opacity;
//These are here to suppress warnings.
this.DropDown += this.DoNothing;
this.DropDownClosed += this.DoNothing;
Form parentForm = this.mPopup.mParent.FindForm();
if (parentForm != null)
{
parentForm.AddOwnedForm(this);
}
if (this.mPopup.Resizable)
{
this.mResizingPanel = new Panel();
if (PopupForm.mBackgroundImage == null)
{
var resources = new System.Resources.ResourceManager(typeof (Popup));
PopupForm.mBackgroundImage = (Image) resources.GetObject("CornerPicture.Image");
}
this.mResizingPanel.BackgroundImage = PopupForm.mBackgroundImage;
this.mResizingPanel.Width = 12;
this.mResizingPanel.Height = 12;
this.mResizingPanel.BackColor = Color.Red;
this.mResizingPanel.Left = this.mPopup.UserControl.Width - 15;
this.mResizingPanel.Top = this.mPopup.UserControl.Height - 15;
this.mResizingPanel.Cursor = Cursors.SizeNWSE;
this.mResizingPanel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
this.mResizingPanel.Parent = this;
this.mResizingPanel.BringToFront();
this.mResizingPanel.MouseUp += this.mResizingPanel_MouseUp;
this.mResizingPanel.MouseDown += this.mResizingPanel_MouseDown;
this.mResizingPanel.MouseMove += this.mResizingPanel_MouseMove;
}
this.mPlacement = this.mPopup.HorizontalPlacement;
// Try to place the popup at the asked location
this.ReLocate();
// Check if the form is out of the screen
// And if yes try to adapt the placement
Rectangle workingArea = Screen.FromControl(this.mPopup.mParent).WorkingArea;
if (this.mNormalPos.X + this.Width > workingArea.Right)
{
if ((this.mPlacement & ePlacement.Right) != 0)
{
this.mPlacement = (this.mPlacement & ~ePlacement.Right) | ePlacement.Left;
}
}
else
{
if (this.mNormalPos.X < workingArea.Left)
{
if ((this.mPlacement & ePlacement.Left) != 0)
{
this.mPlacement = (this.mPlacement & ~ePlacement.Left) | ePlacement.Right;
}
}
}
if (this.mNormalPos.Y + this.Height > workingArea.Bottom)
{
if ((this.mPlacement & ePlacement.Bottom) != 0)
{
this.mPlacement = (this.mPlacement & ~ePlacement.Bottom) | ePlacement.Top;
}
}
else
{
if (this.mNormalPos.Y < workingArea.Top)
{
if ((this.mPlacement & ePlacement.Top) != 0)
{
this.mPlacement = (this.mPlacement & ~ePlacement.Top) | ePlacement.Bottom;
}
}
}
if (this.mPlacement != this.mPopup.HorizontalPlacement)
{
this.ReLocate();
}
// Check if the form is still out of the screen
// If yes just move it back into the screen without changing Placement
if (this.mNormalPos.X + this.mWindowSize.Width > workingArea.Right)
{
this.mNormalPos.X = workingArea.Right - this.mWindowSize.Width;
}
else
{
if (this.mNormalPos.X < workingArea.Left)
{
this.mNormalPos.X = workingArea.Left;
}
}
if (this.mNormalPos.Y + this.mWindowSize.Height > workingArea.Bottom)
{
this.mNormalPos.Y = workingArea.Bottom - this.mWindowSize.Height;
}
else
{
if (this.mNormalPos.Y < workingArea.Top)
{
this.mNormalPos.Y = workingArea.Top;
}
}
// Initialize the animation
this.mProgress = 0;
if (this.mPopup.AnimationSpeed > 0)
{
this.mTimer = new Timer();
// I always aim 25 images per seconds.. seems to be a good value
// it looks smooth enough on fast computers and do not drain slower one
this.mTimer.Interval = 1000/25;
this.mTimerStarted = System.DateTimeOffset.Now;
this.mTimer.Tick += this.Showing;
this.mTimer.Start();
this.Showing(null, null);
}
else
{
this.SetFinalLocation();
}
this.Show();
this.mPopup.OnDropDown(this.mPopup.mParent, new System.EventArgs());
}