private System.Windows.Point _mousePoint; // Initial point of drag
public bool TriggerMouseWheel(System.Windows.Input.MouseEventArgs e, System.Windows.UIElement sender) // Were not overriding OnMouseWheel anymore because it's better to override it in mainform
{
lock (this)
{
if (!this.DeviceReady)
{
return(false);
}
System.Windows.Point newMousePoint = e.MouseDevice.GetPosition(sender);
double oldvalue = vScrollBar.Value;
var delta = _mousePoint - newMousePoint;
double scrollValue = (delta.Length / 10) * vScrollBar.LargeChange;
this._mousePoint = newMousePoint;
if (vScrollBar.Value - scrollValue < vScrollBar.Minimum)
{
vScrollBar.Value = vScrollBar.Minimum;
}
else if (vScrollBar.Value - scrollValue > vScrollBar.Maximum)
{
vScrollBar.Value = vScrollBar.Maximum;
}
else
{
vScrollBar.Value -= (int)scrollValue;
}
VScrollBar_Scroll(null, null);
return(true);
}
}
/// <summary>
/// Drag drop
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DxContainer_DragDrop(object sender, System.Windows.Forms.DragEventArgs e)
{
lock (this)
{
if (!e.Data.GetDataPresent(DataFormats.FileDrop))
{
return;
}
if (!AssertLayerSelected())
return;
string[] data = (string[])e.Data.GetData(DataFormats.FileDrop);
// be warned when run under visual studio. it inherits VS's scaling and VS's window location
System.Windows.Point p = PointToScreen(new System.Windows.Point(e.X, e.Y));
foreach (string file in data)
{
System.Drawing.Bitmap bmp;
try
{
bmp = (System.Drawing.Bitmap)System.Drawing.Image.FromFile(file);
}
catch
{
continue;
}
if (ImageDropped != null)
ImageDropped.Invoke(selectedBoard, bmp, Path.GetFileNameWithoutExtension(file),
new Point(PhysicalToVirtual((int) p.X, selectedBoard.CenterPoint.X, selectedBoard.hScroll, 0), PhysicalToVirtual((int) p.Y, selectedBoard.CenterPoint.Y, selectedBoard.vScroll, 0)));
}
}
}
private void sheetCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// Check if there is brush selected and tile set selected.
if (tilesetsViewModel.Selected == null)
{
return;
}
if (brushesViewModel.Selected == null)
{
return;
}
// Get mouse position
System.Windows.Point position = Mouse.GetPosition(gridBorder);
int positionX = (int)position.X / tilesetsViewModel.Selected.TileWidth;
int positionY = (int)position.Y / tilesetsViewModel.Selected.TileHeight;
// Get bucket.
BrushBucket brushBucket = editor.GetBrushBucketForSelectedTileset();
// Keep selected brush in bounds.
TileBrush brush = brushBucket.SelectedBrush;
if (positionX + brush.DisplayWidth > tilesetsViewModel.Selected.Columns)
{
positionX = tilesetsViewModel.Selected.Columns - brush.DisplayWidth;
}
if (positionY + brush.DisplayHeight > tilesetsViewModel.Selected.Rows)
{
positionY = tilesetsViewModel.Selected.Rows - brush.DisplayHeight;
}
// Select wanted index.
brush.SelectIndex(positionX, positionY);
// Reconstruct selection grid.
ReconstructSelectionGrid();
}
