98 lines
No EOL
3.4 KiB
C#
98 lines
No EOL
3.4 KiB
C#
/*
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Copyright (c) 2014, Lars Brubaker
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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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namespace MatterHackers.MatterControl
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{
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public class TextScrollBar : GuiWidget
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{
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private TextScrollWidget textScrollWidget;
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private bool downOnBar = false;
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public TextScrollBar(TextScrollWidget textScrollWidget, int width)
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: base(width, ScrollBar.ScrollBarWidth)
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{
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this.textScrollWidget = textScrollWidget;
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Margin = new BorderDouble(0, 5);
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VAnchor = Agg.UI.VAnchor.Stretch;
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BackgroundColor = Color.LightGray;
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}
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public override void OnDraw(Graphics2D graphics2D)
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{
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int thumbHeight = 10;
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//graphics2D.Rectangle(LocalBounds, Color.Black);
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double bottom = textScrollWidget.Position0To1 * (Height - thumbHeight);// the 2 is the border
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RectangleDouble thumb = new RectangleDouble(0, bottom, Width, bottom + thumbHeight);// the 1 is the border
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graphics2D.FillRectangle(thumb, this.ThumbColor);
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base.OnDraw(graphics2D);
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}
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public Color ThumbColor { get; set; } = Color.DarkGray;
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public override void OnMouseDown(MouseEventArgs mouseEvent)
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{
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downOnBar = true;
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textScrollWidget.Position0To1 = mouseEvent.Y / Height;
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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 (downOnBar)
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{
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textScrollWidget.Position0To1 = mouseEvent.Y / Height;
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}
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base.OnMouseMove(mouseEvent);
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}
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public override void OnMouseUp(MouseEventArgs mouseEvent)
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{
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downOnBar = false;
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base.OnMouseUp(mouseEvent);
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}
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public override void OnMouseWheel(MouseEventArgs mouseEvent)
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{
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double scrolledPos = mouseEvent.WheelDelta / Height + textScrollWidget.Position0To1;
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if (scrolledPos > 1)
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{
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scrolledPos = 1;
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}
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else if (scrolledPos < 0)
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{
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scrolledPos = 0;
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}
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textScrollWidget.Position0To1 = scrolledPos;
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base.OnMouseWheel(mouseEvent);
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}
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}
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} |