147 lines
No EOL
4.2 KiB
C#
147 lines
No EOL
4.2 KiB
C#
/*
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Copyright (c) 2018, Lars Brubaker, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using MatterHackers.Agg;
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using MatterHackers.Agg.UI;
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using System;
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namespace MatterHackers.MatterControl.CustomWidgets
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{
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public class BottomResizeContainer : FlowLayoutWidget
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{
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private double downHeight = 0;
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private bool mouseDownOnBar = false;
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private double mouseDownY;
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private int _splitterHeight;
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internal BottomResizeContainer(ThemeConfig theme)
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: base (FlowDirection.TopToBottom)
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{
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this.HAnchor = HAnchor.Absolute;
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this.SplitterHeight = theme.SplitterWidth;
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this.SpliterBarColor = theme.SplitterBackground;
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}
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public event EventHandler Resized;
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public Color SpliterBarColor { get; set; }
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public int SplitterHeight
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{
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get => _splitterHeight;
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set
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{
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if (_splitterHeight != value)
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{
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_splitterHeight = value;
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this.Padding = new BorderDouble(0, _splitterHeight, 0, 0);
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this.MinimumSize = new VectorMath.Vector2(0, _splitterHeight);
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}
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}
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}
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protected virtual void OnResized(EventArgs e)
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{
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this.Resized?.Invoke(this, e);
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}
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public override void OnDraw(Graphics2D graphics2D)
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{
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graphics2D.FillRectangle(LocalBounds.Left, LocalBounds.Bottom, LocalBounds.Right, LocalBounds.Bottom + this.SplitterHeight, this.SpliterBarColor);
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base.OnDraw(graphics2D);
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}
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public override void OnMouseDown(MouseEventArgs mouseEvent)
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{
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if (mouseEvent.Position.Y <= this.LocalBounds.Bottom + this.SplitterHeight
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&& mouseEvent.Position.Y >= this.LocalBounds.Bottom)
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{
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mouseDownOnBar = true;
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mouseDownY = TransformToScreenSpace(mouseEvent.Position).Y;
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downHeight = Height;
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}
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base.OnMouseDown(mouseEvent);
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}
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public override void OnMouseMove(MouseEventArgs mouseEvent)
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{
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if (mouseDownOnBar)
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{
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int currentMouseY = (int)TransformToScreenSpace(mouseEvent.Position).Y;
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UiThread.RunOnIdle(() =>
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{
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Height = downHeight + mouseDownY - currentMouseY;
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});
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}
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var currentCursor = this.Cursor;
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if (mouseEvent.Position.Y <= this.LocalBounds.Bottom + this.SplitterHeight
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&& mouseEvent.Position.Y >= this.LocalBounds.Bottom)
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{
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this.Cursor = Cursors.HSplit;
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}
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else
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{
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this.Cursor = Cursors.Default;
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}
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if (this.FirstWidgetUnderMouse
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&& this.Cursor != currentCursor)
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{
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this.SetCursor(this.Cursor);
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}
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base.OnMouseMove(mouseEvent);
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}
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public override void OnMouseWheel(MouseEventArgs mouseEvent)
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{
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if(mouseDownOnBar)
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{
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mouseEvent.WheelDelta = 0;
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}
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base.OnMouseWheel(mouseEvent);
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}
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public override void OnMouseUp(MouseEventArgs mouseEvent)
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{
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var mouseUpY = TransformToScreenSpace(mouseEvent.Position).Y;
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if (mouseDownOnBar
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&& mouseUpY != mouseDownY)
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{
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OnResized(null);
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}
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mouseDownOnBar = false;
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base.OnMouseUp(mouseEvent);
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}
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}
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} |