86 lines
2.3 KiB
C#
86 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 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 ProgressBarWidget : Widget
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{
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public string Background = "progressbar-bg";
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public string Bar = "progressbar-thumb";
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public Size BarMargin = new Size(2, 2);
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public int Percentage = 0;
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public bool Indeterminate = false;
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public Func<int> GetPercentage;
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public Func<bool> IsIndeterminate;
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// Indeterminate bar properties
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float offset = 0f;
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float tickStep = 0.04f;
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public ProgressBarWidget()
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{
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GetPercentage = () => Percentage;
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IsIndeterminate = () => Indeterminate;
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}
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protected ProgressBarWidget(ProgressBarWidget other)
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: base(other)
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{
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Percentage = other.Percentage;
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GetPercentage = other.GetPercentage;
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IsIndeterminate = other.IsIndeterminate;
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}
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public override void Draw()
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{
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var rb = RenderBounds;
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var percentage = GetPercentage();
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WidgetUtils.DrawPanel(Background, rb);
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var minBarWidth = (int)(ChromeProvider.GetImage(Bar, "border-l").Size.X + ChromeProvider.GetImage(Bar, "border-r").Size.X);
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var maxBarWidth = rb.Width - BarMargin.Width * 2;
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var barWidth = wasIndeterminate ? maxBarWidth / 4 : percentage * maxBarWidth / 100;
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barWidth = Math.Max(barWidth, minBarWidth);
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var barOffset = wasIndeterminate ? (int)(0.75 * offset * maxBarWidth) : 0;
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var barRect = new Rectangle(rb.X + BarMargin.Width + barOffset, rb.Y + BarMargin.Height, barWidth, rb.Height - 2 * BarMargin.Height);
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WidgetUtils.DrawPanel(Bar, barRect);
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}
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bool wasIndeterminate;
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public override void Tick()
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{
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var indeterminate = IsIndeterminate();
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if (indeterminate != wasIndeterminate)
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offset = 0f;
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if (indeterminate)
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{
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offset += tickStep;
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offset = offset.Clamp(0f, 1f);
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if (offset == 0f || offset == 1f)
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tickStep *= -1;
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}
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wasIndeterminate = indeterminate;
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}
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public override Widget Clone() { return new ProgressBarWidget(this); }
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}
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}
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