private void GradientPanel_MouseDown(object sender, MouseEventArgs e)
{
if (CurrentGradient == null)
{
return;
}
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if (activeGradientColorEntry != null)
{
if (e.Button == MouseButtons.Left)
{
// drag
draggingGradientColorEntryNow = true;
}
else if (e.Button == MouseButtons.Right)
{
// delete
CurrentGradient.ColorEntries.Remove(activeGradientColorEntry);
}
}
else
{
if (e.Button == MouseButtons.Left)
{
// add
double location = GetColorEntryLocationFromX(e.X);
Color color = CurrentGradient.GetColor(location);
CurrentGradient.ColorEntries.Add(new GradientColorEntry(color, location));
}
}
DrawGradient();
CopyBackBufferToScreen();
}
private void GradientPanel_MouseMove(object sender, MouseEventArgs e)
{
if (CurrentGradient == null)
{
return;
}
if (draggingGradientColorEntryNow)
{
// drag gradient color entry
activeGradientColorEntry.Location = GetColorEntryLocationFromX(e.X);
DrawGradient();
CopyBackBufferToScreen();
}
else
{
// check if mouse pointer is over gradient entry marker
GradientColorEntry previousActiveGradientColorEntry = activeGradientColorEntry;
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if ((previousActiveGradientColorEntry != null && !previousActiveGradientColorEntry.Equals(activeGradientColorEntry))
||
(activeGradientColorEntry != null && !activeGradientColorEntry.Equals(previousActiveGradientColorEntry)))
{
DrawColorEntryMarkers();
CopyBackBufferToScreen();
}
}
}
private void GradientPanel_MouseLeave(object sender, EventArgs e)
{
if (CurrentGradient == null)
{
return;
}
activeGradientColorEntry = null;
DrawColorEntryMarkers();
}
private void GradientPanel_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (CurrentGradient == null)
{
return;
}
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if (activeGradientColorEntry != null)
{
GradientColorEntry colorEntry = activeGradientColorEntry;
using (var cc = new ColorChooser {
Color = colorEntry.Color
})
{
if (cc.ShowDialog() == DialogResult.OK)
{
colorEntry.Color = cc.Color;
DrawGradient();
CopyBackBufferToScreen();
}
}
}
}
private void GradientPanel_MouseMove(object sender, MouseEventArgs e)
{
if (CurrentGradient == null) return;
if (draggingGradientColorEntryNow)
{
// drag gradient color entry
activeGradientColorEntry.Location = GetColorEntryLocationFromX(e.X);
DrawGradient();
CopyBackBufferToScreen();
}
else
{
// check if mouse pointer is over gradient entry marker
GradientColorEntry previousActiveGradientColorEntry = activeGradientColorEntry;
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if ((previousActiveGradientColorEntry != null && !previousActiveGradientColorEntry.Equals(activeGradientColorEntry))
||
(activeGradientColorEntry != null && !activeGradientColorEntry.Equals(previousActiveGradientColorEntry)))
{
DrawColorEntryMarkers();
CopyBackBufferToScreen();
}
}
}
private void GradientPanel_MouseLeave(object sender, EventArgs e)
{
if (CurrentGradient == null) return;
activeGradientColorEntry = null;
DrawColorEntryMarkers();
}
private void GradientPanel_MouseDown(object sender, MouseEventArgs e)
{
if (CurrentGradient == null) return;
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if (activeGradientColorEntry != null)
{
if (e.Button == MouseButtons.Left)
{
// drag
draggingGradientColorEntryNow = true;
}
else if (e.Button == MouseButtons.Right)
{
// delete
CurrentGradient.ColorEntries.Remove(activeGradientColorEntry);
}
}
else
{
if (e.Button == MouseButtons.Left)
{
// add
double location = GetColorEntryLocationFromX(e.X);
Color color = CurrentGradient.GetColor(location);
CurrentGradient.ColorEntries.Add(new GradientColorEntry(color, location));
}
}
DrawGradient();
CopyBackBufferToScreen();
}
private void GradientPanel_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (CurrentGradient == null) return;
activeGradientColorEntry = GetGradientColorEntryFromLocation(e.X);
if (activeGradientColorEntry != null)
{
GradientColorEntry colorEntry = activeGradientColorEntry;
using (var cc = new ColorChooser {Color = colorEntry.Color})
{
if (cc.ShowDialog() == DialogResult.OK)
{
colorEntry.Color = cc.Color;
DrawGradient();
CopyBackBufferToScreen();
}
}
}
}
