public MadcaDisplay(PictureBox pBox)
{
PictureBox = pBox;
editorLaneEnvironment = new EditorLaneEnvironment(new Size(pBox.Width / 2, pBox.Height));
previewDisplayEnvironment = new PreviewDisplayEnvironment(new Point(pBox.Width / 2, 0), new Size(pBox.Width / 2, pBox.Height));
Initialize();
}
public MadcaDisplay(
PictureBox pBox,
EditorLaneEnvironment laneEnv,
PreviewDisplayEnvironment previewEnv
)
{
PictureBox = pBox;
editorLaneEnvironment = laneEnv;
previewDisplayEnvironment = previewEnv;
Initialize();
}
private void SetEventToDragLane()
{
Point?offset = null;
Point?p = null;
var key = new KeyToken();
PictureBox.MouseDown += (s, e) =>
{
if (KeyTokenHolder.Locked)
{
return;
}
if (e.Button == MouseButtons.Middle && EditorLaneEnvironment.GetEditorLaneRegion(e.Location) == EditorLaneRegion.Lane)
{
KeyTokenHolder.Lock(key);
offset = new Point(EditorLaneEnvironment.OffsetXRaw, EditorLaneEnvironment.OffsetY);
p = e.Location;
PictureBox.Cursor = Cursors.Cross;
}
};
PictureBox.MouseMove += (s, e) =>
{
if (!KeyTokenHolder.CanUnLock(key))
{
return;
}
if (offset != null && p != null)
{
editorLaneEnvironment.OffsetXRaw = offset.Value.X - (e.X - p.Value.X);
// NOTE: ある程度マウスが移動したときのみ縦方向の更新を行う（これをやらないと描画が不安定になる）
var diffY = offset.Value.Y + (e.Y - p.Value.Y) - EditorLaneEnvironment.OffsetY;
if (Math.Abs(diffY) > 10)
{
editorLaneEnvironment.OffsetY += diffY;
previewDisplayEnvironment.TimingOffset = new TimingPosition(EditorLaneEnvironment.TimingUnitHeight.ToUInt(), EditorLaneEnvironment.OffsetY);
}
}
};
PictureBox.MouseUp += (s, e) =>
{
if (!KeyTokenHolder.UnLock(key))
{
return;
}
offset = p = null;
PictureBox.Cursor = Cursors.Default;
};
}
private void Initialize()
{
VScrollBar.Height = PictureBox.Height;
VScrollBar.Location = new Point(previewDisplayEnvironment.DisplayRegion.X - VScrollBar.Width / 2, PictureBox.Top);
PictureBox.Controls.Add(VScrollBar);
VScrollBar.Value = VScrollBar.Maximum - EditorLaneEnvironment.OffsetY;
editorLaneEnvironment.OffsetYChanged += v =>
{
VScrollBar.Value = VScrollBar.Maximum - v;
};
VScrollBar.ValueChanged += (s, e) =>
{
editorLaneEnvironment.OffsetY = VScrollBar.Maximum - VScrollBar.Value;
previewDisplayEnvironment.TimingOffset = new TimingPosition(editorLaneEnvironment.TimingUnitHeight.ToUInt(), editorLaneEnvironment.OffsetY);
PictureBox.Refresh();
};
PictureBox.SizeChanged += (s, e) =>
{
var halfSize = new Size(PictureBox.Width / 2, PictureBox.Height);
editorLaneEnvironment.PanelRegion = new Rectangle(new Point(), halfSize);
previewDisplayEnvironment.DisplayRegion = new Rectangle(new Point(halfSize.Width, 0), halfSize);
VScrollBar.Height = PictureBox.Height;
VScrollBar.Location = new Point(previewDisplayEnvironment.DisplayRegion.X - VScrollBar.Width / 2, PictureBox.Top);
};
PictureBox.MouseWheel += (s, e) =>
{
// NOTE: WHEEL_DELTAは120
if (EditorLaneEnvironment.GetEditorLaneRegion(e.Location) == EditorLaneRegion.Lane)
{
editorLaneEnvironment.OffsetXRaw -= e.Delta / 120 * (int)editorLaneEnvironment.LaneUnitWidth;
return;
}
if (EditorLaneEnvironment.PanelRegion.Contains(e.Location))
{
if (Control.ModifierKeys.HasFlag(Keys.Shift))
{
var prevHeight = editorLaneEnvironment.TimingUnitHeight;
editorLaneEnvironment.TimingUnitHeight -= e.Delta / 10;
editorLaneEnvironment.OffsetY = (int)(editorLaneEnvironment.TimingUnitHeight / (double)prevHeight * editorLaneEnvironment.OffsetY);
return;
}
editorLaneEnvironment.OffsetY += e.Delta;
previewDisplayEnvironment.TimingOffset = new TimingPosition(editorLaneEnvironment.TimingUnitHeight.ToUInt(), editorLaneEnvironment.OffsetY);
return;
}
if (PreviewDisplayEnvironment.DisplayRegion.Contains(e.Location))
{
var den = (e.Delta / 10).ToUInt();
if (den != 0)
{
previewDisplayEnvironment.TimingLength -= new TimingPosition((e.Delta / 10).ToUInt(), e.Delta < 0 ? -1 : 1);
}
}
};
SetEventToDragLane();
}
