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// Andres G. Aragoneses <knocte@gmail.com>
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// Copyright (c) 2012 Anrdres G. Aragoneses
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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public class ProgressBar : Widget
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double fraction = 0.0;
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bool indeterminate = false;
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protected override BackendHost CreateBackendHost ()
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return new WidgetBackendHost ();
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IProgressBarBackend Backend {
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get { return (IProgressBarBackend) BackendHost.Backend; }
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public double Fraction {
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get { return fraction; }
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// TODO: allow any value, by implementing MinValue and MaxValue properties
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// and then adjusting the fraction to a [0.0..1.0] range only in the Gtk backend
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if (value < 0.0 || value > 1.0)
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throw new NotSupportedException ("Fraction value can only be in the [0.0..1.0] range");
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Backend.SetFraction (fraction);
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public bool Indeterminate {
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get { return indeterminate; }
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if (indeterminate != value) {
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indeterminate = value;
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Backend.SetIndeterminate (value);