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-rw-r--r--src/GraphicObjects/Splitter.cs237
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diff --git a/src/GraphicObjects/Splitter.cs b/src/GraphicObjects/Splitter.cs
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-//
-// Splitter.cs
-//
-// Author:
-// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-// Copyright (c) 2013-2017 Jean-Philippe Bruyère
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-using System;
-using System.Xml.Serialization;
-using System.ComponentModel;
-
-namespace Crow
-{
- /// <summary>
- /// control to add between children of a Stack to allow them to be resized
- /// with the pointer
- /// </summary>
- public class Splitter : GraphicObject
- {
- #region CTOR
- protected Splitter() : base(){}
- public Splitter (Interface iface) : base(iface){}
- #endregion
-
- int thickness;
-
- [XmlAttributeAttribute][DefaultValue(1)]
- public virtual int Thickness {
- get { return thickness; }
- set {
- if (thickness == value)
- return;
- thickness = value;
- NotifyValueChanged ("Thickness", thickness);
- RegisterForLayouting (LayoutingType.Sizing);
- RegisterForGraphicUpdate ();
- }
- }
-
- Unit u1, u2;
- int init1 = -1, init2 = -1, delta = 0, min1, min2, max1 , max2;
- GraphicObject go1 = null, go2 = null;
-
- void initSplit(Measure m1, int size1, Measure m2, int size2){
- if (m1 != Measure.Stretched) {
- init1 = size1;
- u1 = m1.Units;
- }
- if (m2 != Measure.Stretched) {
- init2 = size2;
- u2 = m2.Units;
- }
- }
- void convertSizeInPix(GraphicObject g1){
-
- }
-
- #region GraphicObject override
- public override ILayoutable Parent {
- get { return base.Parent; }
- set {
- if (value != null) {
- GenericStack gs = value as GenericStack;
- if (gs == null)
- throw new Exception ("Splitter may only be chil of stack");
-
- }
- base.Parent = value;
- }
- }
- public override void onMouseEnter (object sender, MouseMoveEventArgs e)
- {
- base.onMouseEnter (sender, e);
- if ((Parent as GenericStack).Orientation == Orientation.Horizontal)
- IFace.MouseCursor = XCursor.H;
- else
- IFace.MouseCursor = XCursor.V;
- }
- public override void onMouseLeave (object sender, MouseMoveEventArgs e)
- {
- base.onMouseLeave (sender, e);
- IFace.MouseCursor = XCursor.Default;
- }
- public override void onMouseDown (object sender, MouseButtonEventArgs e)
- {
- base.onMouseDown (sender, e);
- go1 = go2 = null;
- init1 = init2 = -1;
- delta = 0;
-
- GenericStack gs = Parent as GenericStack;
- int ptrSplit = gs.Children.IndexOf (this);
- if (ptrSplit == 0 || ptrSplit == gs.Children.Count - 1)
- return;
-
- go1 = gs.Children [ptrSplit - 1];
- go2 = gs.Children [ptrSplit + 1];
-
- if (gs.Orientation == Orientation.Horizontal) {
- initSplit (go1.Width, go1.Slot.Width, go2.Width, go2.Slot.Width);
- min1 = go1.MinimumSize.Width;
- min2 = go2.MinimumSize.Width;
- max1 = go1.MaximumSize.Width;
- max2 = go2.MaximumSize.Width;
- if (init1 >= 0)
- go1.Width = init1;
- if (init2 >= 0)
- go2.Width = init2;
- } else {
- initSplit (go1.Height, go1.Slot.Height, go2.Height, go2.Slot.Height);
- min1 = go1.MinimumSize.Height;
- min2 = go2.MinimumSize.Height;
- max1 = go1.MaximumSize.Height;
- max2 = go2.MaximumSize.Height;
- if (init1 >= 0)
- go1.Height = init1;
- if (init2 >= 0)
- go2.Height = init2;
- }
- }
- public override void onMouseMove (object sender, MouseMoveEventArgs e)
- {
- base.onMouseMove (sender, e);
-
- if (!IsActive)
- return;
-
- GenericStack gs = Parent as GenericStack;
- int newDelta = delta, size1 = init1 , size2 = init2;
- if (gs.Orientation == Orientation.Horizontal) {
- newDelta -= e.XDelta;
- if (size1 < 0)
- size1 = go1.Slot.Width + delta;
- if (size2 < 0)
- size2 = go2.Slot.Width - delta;
- } else {
- newDelta -= e.YDelta;
- if (size1 < 0)
- size1 = go1.Slot.Height + delta;
- if (size2 < 0)
- size2 = go2.Slot.Height - delta;
- }
-
- if (size1 - newDelta < min1 || (max1 > 0 && size1 - newDelta > max1) ||
- size2 + newDelta < min2 || (max2 > 0 && size2 + newDelta > max2))
- return;
-
- delta = newDelta;
-
- if (gs.Orientation == Orientation.Horizontal) {
- if (init1 >= 0)
- go1.Width = init1 - delta;
- if (init2 >= 0)
- go2.Width = init2 + delta;
- } else {
- if (init1 >= 0)
- go1.Height = init1 - delta;
- if (init2 >= 0)
- go2.Height = init2 + delta;
- }
- }
- public override void onMouseUp (object sender, MouseButtonEventArgs e)
- {
- base.onMouseUp (sender, e);
-
- GenericStack gs = Parent as GenericStack;
-
- if (init1 >= 0 && u1 == Unit.Percent) {
- if (gs.Orientation == Orientation.Horizontal)
- go1.Width = new Measure ((int)Math.Ceiling (
- go1.Width.Value * 100.0 / (double)gs.Slot.Width), Unit.Percent);
- else
- go1.Height = new Measure ((int)Math.Ceiling (
- go1.Height.Value * 100.0 / (double)gs.Slot.Height), Unit.Percent);
- }
- if (init2 >= 0 && u2 == Unit.Percent) {
- if (gs.Orientation == Orientation.Horizontal)
- go2.Width = new Measure ((int)Math.Floor (
- go2.Width.Value * 100.0 / (double)gs.Slot.Width), Unit.Percent);
- else
- go2.Height = new Measure ((int)Math.Floor (
- go2.Height.Value * 100.0 / (double)gs.Slot.Height), Unit.Percent);
- }
- }
- public override bool UpdateLayout (LayoutingType layoutType)
- {
- GenericStack gs = Parent as GenericStack;
- if (layoutType == LayoutingType.Width){
- if (gs.Orientation == Orientation.Horizontal)
- Width = thickness;
- else
- Width = Measure.Stretched;
- } else if (layoutType == LayoutingType.Height){
- if (gs.Orientation == Orientation.Vertical)
- Height = thickness;
- else
- Height = Measure.Stretched;
- }
- return base.UpdateLayout (layoutType);
- }
- public override bool PointIsIn (ref Point m)
- {
- if (!(Visible & IsEnabled)||IsDragged)
- return false;
- if (!Parent.PointIsIn(ref m))
- return false;
- m -= (Parent.getSlot().Position + Parent.ClientRectangle.Position) ;
- Rectangle r = Slot;
- if (Width == Measure.Stretched)
- r.Inflate (0, 5);
- else
- r.Inflate (5, 0);
- return r.ContainsOrIsEqual (m);
- }
- #endregion
- }
-}
-
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