public void SetContent(TooltipContentBase content)
{
bool wasVisible = Visible;
Visible = false;
Content = content;
var pos = content.Location;
var sz = content.Size;
SetBounds(pos.X, pos.Y, sz.Width, sz.Height);
UpdateRegion();
Refresh();
if (!wasVisible)
{
Show(Owner);
}
else
{
Visible = true;
}
}
public void SetContent(TooltipContentBase content)
{
bool wasVisible = Visible;
Visible = false;
Content = content;
var pos = content.Location;
var sz = content.Size;
SetBounds(pos.X, pos.Y, sz.Width, sz.Height);
UpdateRegion();
Refresh();
if (!wasVisible)
Show(Owner);
else
Visible = true;
}
public static void FitContentOnScreen(
Graphics g, TooltipContentBase content,
ref Font font, ref Point tooltipPosition,
ref Size tooltipSize
)
{
var screen = Screen.FromPoint(tooltipPosition);
var screenBounds = screen.WorkingArea;
var fontSize = font.Size;
Font tempFont = null;
// Iterate a few times to shrink the tooltip's font size if it's too big
for (int i = 0; i < 10; i++) {
var size = content.Measure(g);
tooltipSize.Width = size.Width;
tooltipSize.Height = size.Height;
if (fontSize <= MinTooltipSizeEm)
break;
if (size.Width < (screenBounds.Width * MaxTooltipWidthPercent / 100) &&
size.Height < (screenBounds.Height * MaxTooltipHeightPercent / 100))
break;
fontSize *= FontSizeShrinkMultiplier;
if (fontSize < MinTooltipSizeEm)
fontSize = MinTooltipSizeEm;
font = new Font(
font.FontFamily,
Math.Min(fontSize, MinTooltipSizeEm),
font.Style
);
if (tempFont != null)
tempFont.Dispose();
tempFont = font;
}
var maxWidth = (screenBounds.Width * MaxTooltipWidthPercent / 100);
var maxHeight = (screenBounds.Height * MaxTooltipHeightPercent / 100);
if (tooltipSize.Width > maxWidth)
tooltipSize.Width = maxWidth;
if (tooltipSize.Height > maxHeight)
tooltipSize.Height = maxHeight;
if (tooltipPosition.X < screenBounds.Left)
tooltipPosition.X = screenBounds.Left;
if (tooltipPosition.Y < screenBounds.Top)
tooltipPosition.Y = screenBounds.Top;
if ((tooltipPosition.X + tooltipSize.Width) >= screenBounds.Right)
tooltipPosition.X = (screenBounds.Right - tooltipSize.Width - 1);
if ((tooltipPosition.Y + tooltipSize.Height) >= screenBounds.Bottom)
tooltipPosition.Y = (screenBounds.Bottom - tooltipSize.Height - 1);
}
public static void FitContentOnScreen(
Graphics g, TooltipContentBase content,
ref Font font, ref Point tooltipPosition,
ref Size tooltipSize
)
{
var screen = Screen.FromPoint(tooltipPosition);
var screenBounds = screen.WorkingArea;
var fontSize = font.Size;
Font tempFont = null;
// Iterate a few times to shrink the tooltip's font size if it's too big
for (int i = 0; i < 10; i++)
{
var size = content.Measure(g);
tooltipSize.Width = size.Width;
tooltipSize.Height = size.Height;
if (fontSize <= MinTooltipSizeEm)
{
break;
}
if (size.Width < (screenBounds.Width * MaxTooltipWidthPercent / 100) &&
size.Height < (screenBounds.Height * MaxTooltipHeightPercent / 100))
{
break;
}
fontSize *= FontSizeShrinkMultiplier;
if (fontSize < MinTooltipSizeEm)
{
fontSize = MinTooltipSizeEm;
}
font = new Font(
font.FontFamily,
Math.Min(fontSize, MinTooltipSizeEm),
font.Style
);
if (tempFont != null)
{
tempFont.Dispose();
}
tempFont = font;
}
var maxWidth = (screenBounds.Width * MaxTooltipWidthPercent / 100);
var maxHeight = (screenBounds.Height * MaxTooltipHeightPercent / 100);
if (tooltipSize.Width > maxWidth)
{
tooltipSize.Width = maxWidth;
}
if (tooltipSize.Height > maxHeight)
{
tooltipSize.Height = maxHeight;
}
if (tooltipPosition.X < screenBounds.Left)
{
tooltipPosition.X = screenBounds.Left;
}
if (tooltipPosition.Y < screenBounds.Top)
{
tooltipPosition.Y = screenBounds.Top;
}
if ((tooltipPosition.X + tooltipSize.Width) >= screenBounds.Right)
{
tooltipPosition.X = (screenBounds.Right - tooltipSize.Width - 1);
}
if ((tooltipPosition.Y + tooltipSize.Height) >= screenBounds.Bottom)
{
tooltipPosition.Y = (screenBounds.Bottom - tooltipSize.Height - 1);
}
}