private void SetHoveredItem(ObsSceneItem item)
{
if (hoveredItem != null)
{
hoveredItem.Dispose();
}
hoveredItem = item;
}
private bool DrawHoveredItem(ObsScene scene, ObsSceneItem item, IntPtr data)
{
GS.LoadVertexBuffer(boxPrimitive);
libobs.matrix4 boxTransform = item.BoxTransform;
DrawOutline(boxTransform, item.Width, item.Height, 3.0f);
return(true);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
Vector2 mousePosition = GetPositionInScene(new Vector2(e.Location));
if (e.Button == MouseButtons.Left)
{
// unselect all items
foreach (ObsSceneItem item in scene.Items)
{
item.Selected = false;
}
// select item under the mouse cursor
using (ObsSceneItem mouseItem = GetItemAtPosition(mousePosition))
{
if (mouseItem != null && !dragging)
{
Vector2 pixel = new Vector2(1.0f / mouseItem.Bounds.x, 1.0f / mouseItem.Bounds.y);
Vector3 transformedPos = Vector3.GetTransform(
new Vector3(mousePosition), mouseItem.BoxTransform.GetInverse());
Obs.Log(LogErrorLevel.Info, pixel.ToString());
//TODO: test dragging near edges
dragging = true;
dragLastPosition = mousePosition;
mouseItem.Selected = true;
if (mouseItem == hoveredItem)
{
SetHoveredItem(null);
}
}
}
}
}
protected void OnMouseLeftDown(MouseEventArgs e)
{
Vector2 mousePosition = GetPositionInScene(new Vector2(e.Location));
// unselect all items
foreach (ObsSceneItem item in scene.Items)
{
item.Selected = false;
}
const float edgeSize = 0.01f;
// select item under the mouse cursor
using (ObsSceneItem mouseItem = GetItemAtPosition(mousePosition, edgeSize))
{
if (mouseItem == null || dragging)
{
return;
}
mouseItem.Selected = true;
Vector3 transformedPos = Vector3.GetTransform(
new Vector3(mousePosition), mouseItem.BoxTransform.GetInverse());
bool edgeTop = transformedPos.y <= edgeSize;
bool edgeBottom = transformedPos.y >= 1.0f - edgeSize;
bool edgeLeft = transformedPos.x <= edgeSize;
bool edgeRight = transformedPos.x >= 1.0f - edgeSize;
bool center = !edgeTop && !edgeBottom && !edgeLeft && !edgeRight;
if (center)
{
resizeEdge = ResizeEdge.None;
Cursor.Current = Cursors.Hand;
dragging = true;
dragLastPosition = mousePosition;
dragStartPosition = mousePosition;
}
else
{
dragLastPosition = mousePosition;
dragStartPosition = mousePosition;
itemLastPosition = mouseItem.Position;
itemLastBounds = mouseItem.Bounds;
resizeEdge = ResizeEdge.None;
if (edgeTop)
{
Cursor.Current = Cursors.SizeNS;
resizeEdge |= ResizeEdge.Top;
}
else if (edgeBottom)
{
Cursor.Current = Cursors.SizeNS;
resizeEdge |= ResizeEdge.Bottom;
}
if (edgeLeft)
{
Cursor.Current = Cursors.SizeWE;
resizeEdge |= ResizeEdge.Left;
}
else if (edgeRight)
{
Cursor.Current = Cursors.SizeWE;
resizeEdge |= ResizeEdge.Right;
}
}
if (mouseItem == hoveredItem)
{
SetHoveredItem(null);
}
}
}
public TestTransform(ObsSceneItem item)
{
InitializeComponent();
// Store scene item
_selectedItem = item;
// Set minmax on numerics
// the rendercontext minmax are bigger than the decimal one so this is fine
const decimal min = decimal.MinValue;
const decimal max = decimal.MaxValue;
xNumeric.Minimum = min;
xNumeric.Maximum = max;
yNumeric.Minimum = min;
yNumeric.Maximum = max;
wNumeric.Minimum = min;
wNumeric.Maximum = max;
hNumeric.Minimum = min;
hNumeric.Maximum = max;
// Populate Controls
// Position
_oldPos = _selectedItem.Position;
xNumeric.Value = (decimal)_oldPos.x;
yNumeric.Value = (decimal)_oldPos.y;
// Scale
_oldScale = _selectedItem.Scale;
wNumeric.Value = (decimal)_oldScale.x;
hNumeric.Value = (decimal)_oldScale.y;
// Rotation
_oldRot = _selectedItem.Rotation;
Rotation.Rotation = (int)Math.Round(_oldRot);
// Alignment
_oldAlignment = _selectedItem.Alignment;
Alignment.Alignment = _oldAlignment;
// Delegates to change transform properties
xNumeric.ValueChanged += (sender, args) => _selectedItem.Position = ItemPosition;
yNumeric.ValueChanged += (sender, args) => _selectedItem.Position = ItemPosition;
wNumeric.ValueChanged += (sender, args) => _selectedItem.Scale = ItemScale;
hNumeric.ValueChanged += (sender, args) => _selectedItem.Scale = ItemScale;
// These even handlers return the exact value we need
// Do this in the future for all custom even handlers
// Makes creating inline event handlers a breeze!
Rotation.RotationChanged += rotation => _selectedItem.Rotation = rotation;
Alignment.AlignmentChanged += alignment => _selectedItem.Alignment = alignment;
// Close form methods
okButton.Click += (sender, args) => Close();
cancelButton.Click += (sender, args) =>
{
_selectedItem.Position = _oldPos;
_selectedItem.Scale = _oldScale;
_selectedItem.Rotation = _oldRot;
_selectedItem.Alignment = _oldAlignment;
Close();
};
}