轨迹插件引入
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// =====================================================================
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// Copyright 2013-2017 Fluffy Underware
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// All rights reserved
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//
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// http://www.fluffyunderware.com
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// =====================================================================
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using UnityEngine;
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using UnityEditor;
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using System;
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using FluffyUnderware.DevTools;
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using System.Collections.Generic;
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namespace FluffyUnderware.DevToolsEditor
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{
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public abstract class DTToolbarItem : IComparable
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{
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/// <summary>
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/// If set, disables event processing for all other items.
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/// </summary>
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public static DTToolbarItem FocusedItem { get; set; }
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public Texture2D Icon
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{
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get
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{
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if (mIcon==null && !string.IsNullOrEmpty(mIconPackedString) && Project.Resource!=null)
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mIcon = Project.Resource.LoadPacked(mIconPackedString);
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return mIcon;
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}
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set
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{
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if (mIcon != value)
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mIcon = value;
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}
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}
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public string Label { get; set; }
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public string Tooltip { get; set; }
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public DTProject Project { get; set; }
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public int Order { get; set; }
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public static DTToolbarStatus _StatusBar = new DTToolbarStatus();
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public List<EditorKeyBinding> KeyBindings
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{
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get { return mKeyBindings;}
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}
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public GUIStyle Style
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{
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get { return DTStyles.TBButton; }
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}
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public GUIContent Content
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{
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get
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{
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string keyTT = (KeyBindings.Count>0) ? KeyBindings[0].ToTooltipString() : string.Empty;
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switch (Project.ToolbarMode)
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{
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case DTToolbarMode.Icon:
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if (Icon != null)
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return new GUIContent(Icon, Tooltip + keyTT);
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else // fallback to "Text"
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return new GUIContent(Label, Tooltip + keyTT);
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case DTToolbarMode.Text:
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return new GUIContent(Label, Tooltip+keyTT);
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default:
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return new GUIContent(Label, Icon, Tooltip+keyTT);
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}
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}
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}
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public bool Visible
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{
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get { return mVisible; }
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set
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{
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if (mVisible != value)
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mVisible=value;
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}
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}
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public bool Enabled
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{
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get { return mEnabled; }
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set
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{
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if (mEnabled != value)
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mEnabled = value;
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}
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}
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public virtual bool ShowClientArea
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{
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get { return mShowClientArea; }
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set
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{
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if (mShowClientArea != value)
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mShowClientArea = value;
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}
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}
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public bool IsMouseOver
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{
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get
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{
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return mItemRect.Contains(DTGUI.MousePosition);
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}
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}
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public virtual string StatusBarInfo
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{
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get { return string.Empty; }
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}
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bool mVisible = true;
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bool mEnabled = true;
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bool mShowClientArea;
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string mIconPackedString;
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Texture2D mIcon;
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List<EditorKeyBinding> mKeyBindings = new List<EditorKeyBinding>();
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static DTToolbarItem _lastClickedItem;
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internal Rect mItemRect;
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internal List<Rect> mBackgroundRects = new List<Rect>();
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protected DTToolbarItem()
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{
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object[] attribs = this.GetType().GetCustomAttributes(typeof(ToolbarItemAttribute), true);
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if (attribs.Length > 0)
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{
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ToolbarItemAttribute a=(ToolbarItemAttribute)attribs[0];
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Project = DT.Project(a.Project);
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Project.ToolbarItems.Add(this);
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Label = a.Label;
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Tooltip = a.Tooltip;
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if (!string.IsNullOrEmpty(a.Icon))
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{
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mIconPackedString = (!EditorGUIUtility.isProSkin && !string.IsNullOrEmpty(a.IconLightSkin)) ? a.IconLightSkin : a.Icon;
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}
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Order = a.Order;
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OnSelectionChange();
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}
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}
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#region ### Events ###
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public virtual void OnClick()
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{
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if (_lastClickedItem!=null && _lastClickedItem!=this)
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_lastClickedItem.OnOtherItemClicked(this);
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_lastClickedItem = this;
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}
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public virtual void OnSelectionChange()
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{
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}
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public virtual void OnOtherItemClicked(DTToolbarItem other)
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{
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}
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#endregion
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/// <summary>
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/// Renders the item (button etc.) itself inside a Handles.BeginGUI()/Handles.EndGUI() block
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/// </summary>
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/// <param name="r">area to use</param>
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public virtual void Render(Rect r)
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{
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}
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/// <summary>
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/// Renders an item's client area (if ShowClientArea==true) inside a Handles.BeginGUI()/Handles.EndGUI() block
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/// </summary>
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/// <param name="r">initial Rect with x/y set to starting position</param>
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public virtual void RenderClientArea(Rect r)
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{
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}
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/// <summary>
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/// Regular OnSceneGUI call. Place preview etc. here
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/// </summary>
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public virtual void OnSceneGUI()
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{
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}
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/// <summary>
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/// Returns the size of the item
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/// </summary>
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/// <returns>the size the item needs</returns>
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public virtual Vector2 GetItemSize()
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{
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return Style.CalcSize(Content);
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}
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public virtual void HandleEvents(Event e)
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{
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if (KeyBindings.Count > 0 && KeyBindings[0].IsTriggered(e))
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OnClick();
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}
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#region ### GUI Orientation Helpers ###
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/// <summary>
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/// Changes the rect to properly place an GUI control with a certain width and height.
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/// </summary>
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/// <remarks>Call this before the first GUI control, but after Background()</remarks>
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/// <param name="r"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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protected void SetElementSize(ref Rect r, float width, float height)
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{
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r.width = width;
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r.height = height;
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switch (Project.ToolbarOrientation)
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{
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case DTToolbarOrientation.Right:
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r.x -= r.width;
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break;
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case DTToolbarOrientation.Bottom:
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r.y-=r.height;
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break;
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}
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//SmallLineAdjust(ref r,height);
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Rect scene=SceneView.currentDrawingSceneView.position;
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if (r.xMax > scene.width)
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r.xMin = scene.width - r.width;
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if (r.yMax > scene.height)
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r.yMin = scene.height - r.height;
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}
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/// <summary>
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/// Draws a background, taking only position from the rect
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/// </summary>
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/// <param name="r"></param>
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/// <param name="width"></param>
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/// <param name="height"></param>
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/// <param name="guiStyle"></param>
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protected void Background(Rect r, float width, float height,GUIStyle guiStyle=null)
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{
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mBackgroundRects.Add(r);
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if (guiStyle == null)
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guiStyle = DTStyles.TBBackground;
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r.y -= 1;
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r.x -= 1;
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r.width = width + 2;
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r.height = height + 2;
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switch (Project.ToolbarOrientation)
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{
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case DTToolbarOrientation.Right:
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r.x-=width;
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break;
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case DTToolbarOrientation.Bottom:
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r.y -= height;
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break;
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}
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GUI.Box(r, "", guiStyle);
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}
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/// <summary>
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/// Advance the rect to a new line, respecting Toolbar Orientation
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/// </summary>
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protected void Advance(ref Rect r) { Advance(ref r, r.height); }
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/// <summary>
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/// Advance the rect to a new line, respecting Toolbar Orientation
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/// </summary>
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protected void Advance(ref Rect r, float lastLineHeight)
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{
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switch (Project.ToolbarOrientation)
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{
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case DTToolbarOrientation.Bottom:
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r.y -= lastLineHeight + 5;
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break;
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case DTToolbarOrientation.Left:
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r.x += r.width + 2;
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break;
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case DTToolbarOrientation.Right:
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r.x -= r.width + 2;
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break;
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default: // Top
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r.y += lastLineHeight + 5;
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break;
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}
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}
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/// <summary>
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/// Advance the rect to a new line below (or above) the existing rect, depending on Toolbar Orientation
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/// </summary>
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protected void AdvanceBelow(ref Rect r) { AdvanceBelow(ref r, r.height); }
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/// <summary>
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/// Advance the rect to a new line below (or above) the existing rect, depending on Toolbar Orientation
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/// </summary>
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protected void AdvanceBelow(ref Rect r, float lastLineHeight)
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{
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switch (Project.ToolbarOrientation)
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{
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case DTToolbarOrientation.Bottom:
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r.y -= lastLineHeight;
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break;
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default:
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r.y += lastLineHeight;
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break;
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}
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}
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#endregion
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public int CompareTo(object obj)
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{
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DTToolbarItem other = (DTToolbarItem)obj;
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if (Order == other.Order)
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return Label.CompareTo(other.Label);
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else
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return Order.CompareTo(other.Order);
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}
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public static implicit operator bool(DTToolbarItem a)
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{
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return !object.ReferenceEquals(a, null);
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}
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}
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[AttributeUsage(AttributeTargets.Class,AllowMultiple=false)]
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public class ToolbarItemAttribute : Attribute
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{
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public readonly string Project;
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public readonly int Order;
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public readonly string Label;
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public readonly string Tooltip;
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public readonly string Icon;
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public readonly string IconLightSkin;
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public ToolbarItemAttribute(int order, string project, string label, string tooltip = "", string icon = "",string iconLight="") : this(project,label,tooltip,icon,iconLight,order)
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{
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}
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public ToolbarItemAttribute(string project, string label, string tooltip = "", string icon = "", string iconLight="", int order = 0)
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{
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Project = project;
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Label = label;
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Tooltip = tooltip;
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Icon = icon;
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IconLightSkin = iconLight;
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Order = order;
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}
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}
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}
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