76 lines
2.2 KiB
C#
76 lines
2.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using OpenRA.Graphics;
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using OpenRA.Primitives;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Widgets
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{
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public class TooltipContainerWidget : Widget
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{
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static readonly Action Nothing = () => { };
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readonly CursorProvider cursorProvider;
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public int2 CursorOffset = new int2(0, 20);
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public int BottomEdgeYOffset = -5;
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public Action BeforeRender = Nothing;
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public int TooltipDelayMilliseconds = 200;
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Widget tooltip;
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public TooltipContainerWidget()
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{
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cursorProvider = Game.ModData.CursorProvider;
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IsVisible = () => Game.RunTime > Viewport.LastMoveRunTime + TooltipDelayMilliseconds;
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}
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public void SetTooltip(string id, WidgetArgs args)
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{
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RemoveTooltip();
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tooltip = Ui.LoadWidget(id, this, new WidgetArgs(args) { { "tooltipContainer", this } });
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}
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public void RemoveTooltip()
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{
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RemoveChildren();
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BeforeRender = Nothing;
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}
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public override void Draw() { BeforeRender(); }
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public override Rectangle GetEventBounds() { return Rectangle.Empty; }
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public override int2 ChildOrigin
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{
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get
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{
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var pos = Viewport.LastMousePos + (cursorProvider.DoubleCursorSize ? CursorOffset * 2 : CursorOffset);
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if (tooltip != null)
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{
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// If the tooltip overlaps the right edge of the screen, move it left until it fits
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if (pos.X + tooltip.Bounds.Right > Game.Renderer.Resolution.Width)
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pos = pos.WithX(Game.Renderer.Resolution.Width - tooltip.Bounds.Right);
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// If the tooltip overlaps the bottom edge of the screen, switch tooltip above cursor
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if (pos.Y + tooltip.Bounds.Bottom > Game.Renderer.Resolution.Height)
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pos = pos.WithY(Viewport.LastMousePos.Y + (cursorProvider.DoubleCursorSize ? 2 : 1) * BottomEdgeYOffset - tooltip.Bounds.Height);
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}
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return pos;
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}
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}
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public override string GetCursor(int2 pos) { return null; }
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}
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}
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