public void OnMouseMove(Point location)
{
DrawableButton mouseOutButton = null;
if (mouseOverButton != null)
{
if (mouseOverButton.PixelPosition.Contains(location))
{
return; // nothing new happened
}
else
{
mouseOutButton = mouseOverButton;
mouseOverButton = null;
}
}
foreach (var btn in grid)
{
if (btn.PixelPosition.Contains(location))
{
mouseOverButton = btn;
}
}
if (mouseOverButton != null || mouseOutButton != null)
{
MouseChangeEventArgs args = new MouseChangeEventArgsImpl(mouseOverButton, mouseOutButton);
RaiseMouseChangeEvent(args);
}
}
protected override void Draw(Graphics g, DrawableButton btn, ButtonStatus status)
{
if (btn.Icon == null)
{
return;
}
g.DrawImage(btn.Icon.Image, btn.PixelPosition);
}
public void DrawButton(Graphics g, DrawableButton btn, ButtonStatus status)
{
// first let decorated drawer draw
if (drawer != null)
{
drawer.DrawButton(g, btn, status);
}
try { Draw(g, btn, status); }
catch (Exception e)
{
logger.Error("Exception occurred while drawing button '{0}'!\n{1}", btn.Id, e);
}
}
protected override void Draw(Graphics g, DrawableButton btn, ButtonStatus status)
{
Pen p = (status.Selected ? selectedPen : normalPen);
Rectangle rect = btn.PixelPosition; // allowed cause of value type
int width = (status.Selected ? selectedWidth : normalWidth);
width--;
rect.X += width;
rect.Width -= 2 * width;
rect.Y += width;
rect.Height -= 2 * width;
g.DrawRectangle(p, rect);
}
protected override void Draw(Graphics g, DrawableButton btn, ButtonStatus status)
{
if (btn.Text == null || String.IsNullOrWhiteSpace(btn.Text.Content))
{
return;
}
if (status.Selected)
{
g.DrawString(btn.Text.Content, fontSelected, Brushes.Red, btn.PixelPosition, format);
}
else
{
g.DrawString(btn.Text.Content, font, Brushes.Black, btn.PixelPosition, format);
}
}
/// <remarks>
/// As only one mouse pointer is supported by <see cref="System.Windows.Forms"/>, we only provide constructor for one button.
/// </remarks>
public MouseChangeEventArgsImpl(DrawableButton mouseOver, DrawableButton mouseOut)
{
if (mouseOver != null)
{
MouseOver = new ButtonGroup(mouseOver.Id);
}
else
{
MouseOver = ButtonGroup.Empty;
}
if (mouseOut != null)
{
MouseOut = new ButtonGroup(mouseOut.Id);
}
else
{
MouseOut = ButtonGroup.Empty;
}
}
protected override void Draw(Graphics g, DrawableButton btn, ButtonStatus status)
{
g.FillRectangle(btn.BackBrush, btn.PixelPosition);
if (btn.Icon != null)
{
if (btn.Text != null)
{
Rectangle alignRect = GetAlignedIconRect(btn.Text.Alignment, btn.PixelPosition);
DrawIcon(g, btn.Icon, alignRect);
}
else
{
DrawIcon(g, btn.Icon, btn.PixelPosition);
}
}
if (btn.Text != null)
{
DrawText(g, btn.Text, btn.FontBrush, btn.PixelPosition);
}
}
/// <remarks> /// <see cref="DrawableButton"/> has a status property, but grid drawer should be able to override this, /// so therefore the <paramref name="status"/> parameter. /// </remarks> protected abstract void Draw(Graphics g, DrawableButton btn, ButtonStatus status);
public void DrawButton(Graphics g, DrawableButton btn)
{
DrawButton(g, btn, btn.Status);
}
public virtual void Reset(Size size)
{
mouseOverButton = null;
CanvasSize = size;
ResizeGrid();
}
