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1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
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2 * |
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3 * This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #include "nsISupports.idl" |
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8 |
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9 /** |
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10 * The nsITextScroll is an interface that can be implemented by a control that |
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11 * supports text scrolling. |
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12 */ |
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13 |
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14 [scriptable, uuid(067B28A0-877F-11d3-AF7E-00A024FFC08C)] |
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15 interface nsITextScroll : nsISupports |
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16 { |
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17 /** |
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18 * Scroll the view up or down by aNumLines lines. positive |
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19 * values move down in the view. Prevents scrolling off the |
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20 * end of the view. |
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21 * @param numLines number of lines to scroll the view by |
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22 */ |
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23 void scrollByLines(in long numLines); |
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24 |
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25 /** |
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26 * Scroll the view up or down by numPages pages. a page |
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27 * is considered to be the amount displayed by the clip view. |
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28 * positive values move down in the view. Prevents scrolling |
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29 * off the end of the view. |
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30 * @param numPages number of pages to scroll the view by |
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31 */ |
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32 void scrollByPages(in long numPages); |
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33 }; |