public int SelectPartAt(PointF location)
{
int found = 0;
foreach (SymbolPart part in m_Symbol)
{
if (part.IsNear(location))
{
found++;
m_GrabHandle = part.GetGrabHandle(location);
if (part.Equals(m_SelectedPart) == false)
{
if (m_SelectedPart != null)
{
m_SelectedPart.IsSelected = false;
}
part.IsSelected = true;
m_SelectedPart = part;
UpdateBackground();
Invalidate();
}
}
}
if (found == 0 && m_SelectedPart != null)
{
m_SelectedPart.IsSelected = false;
m_SelectedPart = null;
m_GrabHandle = null;
UpdateBackground();
Invalidate();
}
return(found);
}
private void BuildPrimaryLayout()
{
primary_vbox = new VBox();
BuildHeader();
BuildViews();
BuildFooter();
search_entry_align = new Alignment(1.0f, 0.5f, 0f, 0f);
var box = new HBox()
{
Spacing = 2
};
var grabber = new GrabHandle();
grabber.ControlWidthOf(view_container.SearchEntry, 150, 350, false);
box.PackStart(grabber, false, false, 0);
box.PackStart(view_container.SearchEntry, false, false, 0);
search_entry_align.Child = box;
ActionService.PopulateToolbarPlaceholder(header_toolbar, "/HeaderToolbar/SearchEntry", search_entry_align);
search_entry_align.Visible = view_container.SearchSensitive = true;
search_entry_align.ShowAll();
primary_vbox.Show();
Add(primary_vbox);
}
public LiteralBox()
: base()
{
handle = new GrabHandle (24, 8);
PackEnd (handle, false, false, 0);
Show ();
}
/// <summary>
/// Controls mouse up event handler after
/// Selection rectangle has been drawn
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Canvas_MouseUp(object sender, MouseEventArgs e)
{
mouseDown = false;
if (currDrawingTool == DrawingTool.Rectangle)
{
assets.Add(currAsset);
path.AddRectangle(currAsset.Rectangle);
}
else if (currDrawingTool == DrawingTool.Circle)
{
assets.Add(currAsset);
path.AddRectangle(currAsset.Rectangle);
}
else if (currDrawingTool == DrawingTool.Pen)
{
if (currAsset.Points.Count == 1)
{
currAsset.Points.Add(e.Location);
}
if (currAsset.Points.Count > 1)
{
assets.Add(currAsset);
}
path.AddCurve(currAsset.Points.ToArray());
}
else if (currDrawingTool == DrawingTool.Line || currDrawingTool == DrawingTool.ArrowLine)
{
assets.Add(currAsset);
path.AddLine(currAsset.LineStart, currAsset.LineEnd);
}
if (selectionRect.Height > 0 || selectionRect.Width > 0)
{
path.AddRectangle(selectionRect);
toolbox.TopLevel = false;
Controls.Add(toolbox);
toolbox.Location = GetToolBoxLocation();
toolbox.Show();
toolbox.BringToFront();
manipToolbox.TopLevel = false;
Controls.Add(manipToolbox);
manipToolbox.Location = GetManipToolboxLoc();
manipToolbox.Show();
manipToolbox.BringToFront();
Focus();
}
rectState = RectangleState.None;
focusedHandle = GrabHandle.None;
}
public bool SetCursor(int x, int y)
{
bool modified = false;
if (!_resizing)
{
GrabHandle handle = PointToGrabHandle(this.PointToClient(Control.MousePosition));
if (handle != GrabHandle.None)
{
modified = true;
}
if (handle == GrabHandle.TopLeft)
{
Cursor.Current = Cursors.SizeNWSE;
}
else if (handle == GrabHandle.TopMiddle)
{
Cursor.Current = Cursors.SizeNS;
}
else if (handle == GrabHandle.TopRight)
{
Cursor.Current = Cursors.SizeNESW;
}
else if (handle == GrabHandle.Right)
{
Cursor.Current = Cursors.SizeWE;
}
else if (handle == GrabHandle.BottomRight)
{
Cursor.Current = Cursors.SizeNWSE;
}
else if (handle == GrabHandle.BottomMiddle)
{
Cursor.Current = Cursors.SizeNS;
}
else if (handle == GrabHandle.BottomLeft)
{
Cursor.Current = Cursors.SizeNESW;
}
else if (handle == GrabHandle.Left)
{
Cursor.Current = Cursors.SizeWE;
}
else
{
Cursor.Current = Cursors.Default;
}
}
return(modified);
}
/// <summary>
/// Constructor
/// </summary>
public CanvasForm()
{
SetProcessDpiAwareness(_Process_DPI_Awareness.Process_Per_Monitor_DPI_Aware);
path = new GraphicsPath();
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
UpdateStyles();
InitializeComponent();
typeof(Panel).InvokeMember("DoubleBuffered", BindingFlags.SetProperty
| BindingFlags.Instance | BindingFlags.NonPublic, null,
pnlDraw, new object[] { true });
typeof(Panel).InvokeMember("DoubleBuffered", BindingFlags.SetProperty
| BindingFlags.Instance | BindingFlags.NonPublic, null,
pnlOpacity, new object[] { true });
typeof(Panel).InvokeMember("DoubleBuffered", BindingFlags.SetProperty
| BindingFlags.Instance | BindingFlags.NonPublic, null,
pnlPicture, new object[] { true });
toolbox = new DrawingToolBox();
manipToolbox = new ManipulateToolBox();
assets = new List <Asset>();
opacityRect = new Rectangle(0, 0, SystemInformation.VirtualScreen.Width, SystemInformation.VirtualScreen.Height);
brush = new SolidBrush(Color.FromArgb(150, 80, 80, 80));
focusedHandle = GrabHandle.None;
rectangles = new Dictionary <GrabHandle, RectangleF>();
foreach (GrabHandle handle in Enum.GetValues(typeof(GrabHandle)))
{
rectangles[handle] = new RectangleF(-5, -5, 7, 7);
path.AddRectangle(rectangles[handle]);
}
dimensions = new Font(Font.FontFamily, 9, FontStyle.Regular | FontStyle.Bold);
screenshots = new Dictionary <Screen, Image>();
_regisKey = new RegisterHotKeyClass();
RegisterEvents();
}
private GrabHandle PointToGrabHandle(Point pointerLocation)
{
GrabHandle result = GrabHandle.None;
if (IsCursorOnGrabHandle(pointerLocation, _handles[0]))
{
result = GrabHandle.TopLeft;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[1]))
{
result = GrabHandle.TopMiddle;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[2]))
{
result = GrabHandle.TopRight;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[3]))
{
result = GrabHandle.Right;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[4]))
{
result = GrabHandle.BottomRight;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[5]))
{
result = GrabHandle.BottomMiddle;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[6]))
{
result = GrabHandle.BottomLeft;
}
else if (IsCursorOnGrabHandle(pointerLocation, _handles[7]))
{
result = GrabHandle.Left;
}
else
{
result = GrabHandle.None;
}
return(result);
}
private void BuildPrimaryLayout()
{
primary_vbox = new VBox();
BuildHeader();
BuildViews();
BuildFooter();
search_entry_align = new Alignment(1.0f, 0.5f, 0f, 0f);
var box = new HBox()
{
Spacing = 2
};
var grabber = new GrabHandle();
var search_entry = view_container.SearchEntry;
grabber.ControlWidthOf(search_entry, 150, 350, false);
int search_entry_width = SearchEntryWidth.Get();
// -1 indicates that height should be preserved
search_entry.SetSizeRequest(search_entry_width, -1);
search_entry.SizeAllocated += (o, a) => {
SearchEntryWidth.Set(search_entry.Allocation.Width);
};
box.PackStart(grabber, false, false, 0);
box.PackStart(view_container.SearchEntry, false, false, 0);
search_entry_align.Child = box;
ActionService.PopulateToolbarPlaceholder(header_toolbar, "/HeaderToolbar/SearchEntry", search_entry_align);
search_entry_align.Visible = view_container.SearchSensitive = true;
search_entry_align.ShowAll();
primary_vbox.Show();
Add(primary_vbox);
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (e.Button != MouseButtons.Left)
{
return;
}
if (m_CurrentTool != null && m_CurrentTool is PartSelectionTool && m_SelectedPart != null)
{
if (m_GrabHandle == null)
{
m_SelectedPart.Location = AlignToGrid(new PointF(e.X - m_SelectionOffset.X, e.Y - m_SelectionOffset.Y));
}
else
{
m_GrabHandle.Location = AlignToGrid(new PointF(e.X - m_SelectionOffset.X, e.Y - m_SelectionOffset.Y));
}
m_GrabHandle = null;
UpdateBackground();
UpdateDrawing();
Invalidate();
}
}
/// <summary>
/// Reset all rectangles in canvas
/// </summary>
private void RefreshCanvas()
{
path = new GraphicsPath();
toolbox.ResetDrawingTool();
Controls.Remove(toolbox);
toolbox.Visible = false;
Controls.Remove(manipToolbox);
manipToolbox.Visible = false;
foreach (GrabHandle handle in Enum.GetValues(typeof(GrabHandle)))
{
rectangles[handle] = new RectangleF(-5, -5, 7, 7);
}
selectionRect = new Rectangle();
focusedHandle = GrabHandle.None;
foreach (Image img in screenshots.Values)
{
img.Dispose();
}
screenshots.Clear();
if (screenshot != null)
{
screenshot.Dispose();
screenshot = null;
}
assets.Clear();
GC.Collect();
}
/// <summary>
/// Gets small rectanlges from large
/// </summary>
/// <param name="rect"></param>
/// <param name="node"></param>
/// <param name="handleSize"></param>
/// <returns></returns>
public static PointF GetRectangleBounds(RectangleF rect, GrabHandle node, float handleSize)
{
float rectWidth = (float)rect.Width - 1;
float rectHeight = (float)rect.Height - 1;
float rectX = (float)rect.X;
float rectY = (float)rect.Y;
switch (node)
{
case GrabHandle.TopLeft:
return(new PointF((rectX - handleSize / 2), (rectY - handleSize / 2)));
case GrabHandle.TopRight:
return(new PointF(rectX + rectWidth - handleSize / 2, rectY - handleSize / 2));
case GrabHandle.TopMid:
return(new Point((int)(rectWidth - handleSize / 2) / 2 + (int)rectX, (int)(rectY - handleSize / 2)));
case GrabHandle.MidLeft:
return(new PointF((int)(rectX - handleSize / 2), (int)(rectHeight / 2f + rectY - handleSize / 2f)));
case GrabHandle.MidRight:
return(new Point((int)(rectX + rectWidth - handleSize / 2), (int)((rectHeight) / 2f + rectY - handleSize / 2f)));
case GrabHandle.BottomLeft:
return(new PointF(rectX - handleSize / 2, rectY + rectHeight - handleSize / 2));
case GrabHandle.BottomMid:
return(new Point((int)((rectWidth - handleSize / 2) / 2 + rectX), (int)(rectY + rectHeight - handleSize / 2)));
case GrabHandle.BottomRight:
return(new PointF(rectX + rectWidth - handleSize / 2, rectY + rectHeight - handleSize / 2));
}
return(new PointF(0, 0));
}
/// <summary>
/// Logic when selection draw starts
/// drawing
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Canvas_MouseDown(object sender, MouseEventArgs e)
{
drawBorders = true;
drawHandles = true;
mouseDown = true;
switch (currDrawingTool)
{
case DrawingTool.Arrow:
bool inPos = false;
foreach (GrabHandle handle in Enum.GetValues(typeof(GrabHandle)))
{
if (rectangles[handle].Contains(e.Location))
{
inPos = true;
focusedHandle = handle;
break;
}
}
if (inPos)
{
rectState = RectangleState.Resize;
}
else if (selectionRect.Contains(e.Location) && !inPos)
{
rectState = RectangleState.Move;
}
else
{
rectState = RectangleState.Draw;
toolbox.Visible = false;
manipToolbox.Visible = false;
path = new GraphicsPath();
}
break;
case DrawingTool.Circle:
var circle = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Circle,
Rectangle = new Rectangle(Cursor.Position.X, Cursor.Position.Y, 0, 0)
};
currAsset = circle;
break;
case DrawingTool.ArrowLine:
case DrawingTool.Line:
var line = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = currDrawingTool == DrawingTool.Line ? Shape.Line : Shape.ArrowLine,
LineStart = new Point(e.X, e.Y),
LineEnd = new Point(e.X, e.Y)
};
currAsset = line;
break;
case DrawingTool.Pen:
var pen = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Pen,
Points = new List <PointF>()
};
pen.Points.Add(e.Location);
currAsset = pen;
break;
case DrawingTool.Rectangle:
var rectangle = new Asset()
{
BorderWidth = currBorderWidth,
Color = toolbox.SelectedColor,
Shape = Shape.Rectangle,
Rectangle = new RectangleF(Cursor.Position.X, Cursor.Position.Y, 0, 0)
};
currAsset = rectangle;
break;
case DrawingTool.Text:
break;
}
pX = e.X;
pY = e.Y;
pnlDraw.Invalidate(Rectangle.Round(path.GetBounds()));
}
