75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.GUI
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{
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/// <summary>
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/// A navigation bar button. Allows to change the current location and view the path.
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/// </summary>
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/// <seealso cref="FlaxEngine.GUI.Button" />
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[HideInEditor]
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public class NavigationButton : Button
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{
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/// <summary>
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/// The valid drag is over flag.
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/// </summary>
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protected bool _validDragOver;
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/// <summary>
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/// The default margin (horizontal).
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/// </summary>
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public const float DefaultMargin = 6.0f;
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/// <summary>
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/// Initializes a new instance of the <see cref="NavigationButton"/> class.
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/// </summary>
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/// <param name="x">The x position.</param>
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/// <param name="y">The y position.</param>
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/// <param name="height">The height.</param>
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public NavigationButton(float x, float y, float height)
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: base(x, y, 2 * DefaultMargin)
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{
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Height = height;
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}
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/// <inheritdoc />
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public override void Draw()
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{
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// Cache data
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var style = Style.Current;
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var clientRect = new Rectangle(Vector2.Zero, Size);
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var textRect = new Rectangle(4, 0, clientRect.Width - 4, clientRect.Height);
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// Draw background
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if (IsDragOver && _validDragOver)
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{
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Render2D.FillRectangle(clientRect, Style.Current.BackgroundSelected * 0.6f);
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}
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else if (_isPressed)
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{
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Render2D.FillRectangle(clientRect, style.BackgroundSelected);
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}
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else if (IsMouseOver)
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{
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Render2D.FillRectangle(clientRect, style.BackgroundHighlighted);
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}
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// Draw text
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Render2D.DrawText(style.FontMedium, Text, textRect, EnabledInHierarchy ? style.Foreground : style.ForegroundDisabled, TextAlignment.Near, TextAlignment.Center);
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}
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/// <inheritdoc />
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public override void PerformLayout(bool force = false)
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{
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var style = Style.Current;
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if (style.FontMedium)
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{
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Width = style.FontMedium.MeasureText(Text).X + 2 * DefaultMargin;
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}
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}
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}
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}
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