/// <summary>
/// Computes possible minimum requires sizes to fit the button text
/// </summary>
/// <returns>Possible sizes</returns>
protected List <Size> GetPossibleTextSizes()
{
Graphics g = Graphics.FromHwnd(Handle);
List <Size> possibleSizes = DisplaySettings.GetPossibleTextSizes(g,
Text,
Font,
FormatFlags);
g.Dispose();
return(possibleSizes);
}
private void _toolTip_Popup(object sender, PopupEventArgs e)
{
//todo: This code can take 30 seconds or more to complete! if you make the dash small and then drag the window,
//it goes navel-gazing for a long time. (JH noticed Oct 2011).
//This is also implicated in involvement in WS-34187) "Better feedback for slower computers"
//because we're talking about replacing all this with html, I'm just going to make
//this not run when it has no business running.
if (_suspendLayout)
{
return;
}
DashboardButton button = e.AssociatedControl as DashboardButton;
if (button == null)
{
return;
}
string title = button.ThingToShowOnDashboard.LocalizedLongLabel;
Graphics g = Graphics.FromHwnd(e.AssociatedWindow.Handle);
Font localizedFont = (Font)StringCatalog.LabelFont.Clone();
Font boldFont = new Font(localizedFont, FontStyle.Bold);
string textUsedOnlyForMeasurement = GetToolTipDescription(button.ThingToShowOnDashboard);
#if __MonoCS__
// "\n ." is added on because Mono frequently miscalculates the height by one line.
textUsedOnlyForMeasurement += (System.Environment.NewLine + " .");
#endif
List <Size> possibleSizes = DisplaySettings.GetPossibleTextSizes(g,
textUsedOnlyForMeasurement,
localizedFont,
ToolTipFormatFlags);
Size bestSize = GetBestSizeBasedOnRatio(possibleSizes, GoldRatio);
bestSize.Width += 15;
bestSize.Height +=
TextRenderer.MeasureText(g,
title,
boldFont,
new Size(bestSize.Width, int.MaxValue),
ToolTipFormatFlags).Height;
e.ToolTipSize = new Size(bestSize.Width + 6, bestSize.Height + 8);
g.Dispose();
localizedFont.Dispose();
boldFont.Dispose();
}
