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33 lines
1.1 KiB
HTML
33 lines
1.1 KiB
HTML
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<!DOCTYPE html>
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<meta http-equiv="msthemecompatible" content="no">
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<div style="width: 200px; height: 200px; overflow: scroll;">
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<div style="width: 3725px; height: 3725px"></div>
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</div>
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<!--
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The size of the inner div is computed as follow:
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Input:
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outer_div_size: size of the div containing the scrollbar
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button_size: size of the scrollbar arrow buttons
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scrollbar_thickness: width/height of a vertical/horizontal scrollbar respectively
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thumb_size: height/width of the thumb of a vertical/horizontal scrollbar respectively
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Output:
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inner_div_size: size of the div to be scrolled
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Formula:
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slider_size = outer_div_size - 2 * button_size - scrollbar_thickness
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thumb_size = slider_size * (outer_div_size / inner_div_size)
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which gives:
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inner_div_size = (outer_div_size - 2 * button_size - scrollbar_thickness) * (outer_div_size / thumb_size)
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Testcase constants:
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outer_div_size = 200
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On XP/Vista at 96 dpi with theme disabled:
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thumb_size = 8 (minimum size)
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button_size = 17
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scrollbar_thickness = 17
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inner_div_size = (200 - 2 * 17 - 17) * (200 / 8) = 3725
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-->
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