97 lines
3.4 KiB
C#
97 lines
3.4 KiB
C#
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// "Therefore those skilled at the unorthodox
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// are infinite as heaven and earth,
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// inexhaustible as the great rivers.
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// When they come to an end,
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// they begin again,
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// like the days and months;
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// they die and are reborn,
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// like the four seasons."
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//
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// - Sun Tsu,
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// "The Art of War"
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using TheArtOfDev.HtmlRenderer.Adapters.Entities;
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using TheArtOfDev.HtmlRenderer.Core.Utils;
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namespace TheArtOfDev.HtmlRenderer.Adapters
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{
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/// <summary>
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/// Adapter for platform specific control object - used to handle updating the control that the html is rendered on.<br/>
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/// Not relevant for platforms that don't render HTML on UI element.
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/// </summary>
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public abstract class RControl
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{
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/// <summary>
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/// The platform adapter.
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/// </summary>
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private readonly RAdapter _adapter;
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/// <summary>
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/// Init control with platform adapter.
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/// </summary>
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protected RControl(RAdapter adapter)
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{
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ArgChecker.AssertArgNotNull(adapter, "adapter");
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_adapter = adapter;
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}
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/// <summary>
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/// The platform adapter.
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/// </summary>
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public RAdapter Adapter
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{
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get { return _adapter; }
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}
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/// <summary>
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/// Is the left mouse button is currently in pressed state
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/// </summary>
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public abstract bool LeftMouseButton { get; }
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/// <summary>
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/// Is the right mouse button is currently in pressed state
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/// </summary>
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public abstract bool RightMouseButton { get; }
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/// <summary>
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/// Get the current location of the mouse relative to the control
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/// </summary>
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public abstract RPoint MouseLocation { get; }
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/// <summary>
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/// Set the cursor over the control to default cursor
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/// </summary>
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public abstract void SetCursorDefault();
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/// <summary>
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/// Set the cursor over the control to hand cursor
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/// </summary>
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public abstract void SetCursorHand();
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/// <summary>
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/// Set the cursor over the control to I beam cursor
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/// </summary>
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public abstract void SetCursorIBeam();
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/// <summary>
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/// Do drag-drop copy operation for the given data object.
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/// </summary>
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/// <param name="dragDropData">the drag-drop data object</param>
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public abstract void DoDragDropCopy(object dragDropData);
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/// <summary>
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/// Measure the width of string under max width restriction calculating the number of characters that can fit and the width those characters take.<br/>
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/// </summary>
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/// <param name="str">the string to measure</param>
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/// <param name="font">the font to measure string with</param>
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/// <param name="maxWidth">the max width to calculate fit characters</param>
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/// <param name="charFit">the number of characters that will fit under maxWidth restriction</param>
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/// <param name="charFitWidth">the width that only the characters that fit into max width take</param>
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public abstract void MeasureString(string str, RFont font, double maxWidth, out int charFit, out double charFitWidth);
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/// <summary>
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/// Invalidates the entire surface of the control and causes the control to be redrawn.
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/// </summary>
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public abstract void Invalidate();
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}
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}
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