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Use xkbcommon's function to convert a keysym to a unicode point (#184)
* Use xkbcommon's function to convert a keysym to a unicode point * Simplified code_point check Co-authored-by: Antonino Siena <a.siena@gmx.de>
This commit is contained in:
Antonino Siena
GitHub
parent
adffe0814f
commit
31d872353c
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@ -1,904 +0,0 @@
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// This code has been taken from glfw
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//
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// GLFW 3.2 X11 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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/*
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* Marcus: This code was originally written by Markus G. Kuhn.
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* I have made some slight changes (trimmed it down a bit from >60 KB to
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* 20 KB), but the functionality is the same.
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*/
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/* andrewj: converted to Rust, October 2017 */
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/*
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* This module converts keysym values into the corresponding ISO 10646
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* (UCS, Unicode) values.
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*
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* The array keysymtab[] contains pairs of X11 keysym values for graphical
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* characters and the corresponding Unicode value. The function
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* _glfwKeySym2Unicode() maps a keysym onto a Unicode value using a binary
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* search, therefore keysymtab[] must remain SORTED by keysym value.
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*
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* We allow to represent any UCS character in the range U-00000000 to
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* U-00FFFFFF by a keysym value in the range 0x01000000 to 0x01ffffff.
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* This admittedly does not cover the entire 31-bit space of UCS, but
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* it does cover all of the characters up to U-10FFFF, which can be
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* represented by UTF-16, and more, and it is very unlikely that higher
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* UCS codes will ever be assigned by ISO. So to get Unicode character
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* U+ABCD you can directly use keysym 0x0100abcd.
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*
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* Original author: Markus G. Kuhn <mkuhn@acm.org>, University of
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* Cambridge, April 2001
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*
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* Special thanks to Richard Verhoeven <river@win.tue.nl> for preparing
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* an initial draft of the mapping table.
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*
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*/
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//************************************************************************
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//**** KeySym to Unicode mapping table ****
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//************************************************************************
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type CodePair = (u32 /* keysym */, u32 /* ucs */);
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const LENGTH: usize = 776;
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#[allow(non_upper_case_globals)]
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const keysymtab: [CodePair; LENGTH] = [
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(0x01a1, 0x0104),
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(0x01a2, 0x02d8),
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(0x01a3, 0x0141),
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(0x01a5, 0x013d),
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(0x01a6, 0x015a),
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(0x01a9, 0x0160),
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(0x01aa, 0x015e),
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(0x01ab, 0x0164),
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(0x01ac, 0x0179),
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(0x01ae, 0x017d),
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(0x01af, 0x017b),
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(0x01b1, 0x0105),
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(0x01b2, 0x02db),
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(0x01b3, 0x0142),
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(0x01b5, 0x013e),
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(0x01b6, 0x015b),
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(0x01b7, 0x02c7),
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(0x01b9, 0x0161),
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(0x01ba, 0x015f),
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(0x01bb, 0x0165),
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(0x01bc, 0x017a),
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(0x01bd, 0x02dd),
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(0x01be, 0x017e),
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(0x01bf, 0x017c),
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(0x01c0, 0x0154),
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(0x01c3, 0x0102),
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(0x01c5, 0x0139),
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(0x01c6, 0x0106),
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(0x01c8, 0x010c),
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(0x01ca, 0x0118),
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(0x01cc, 0x011a),
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(0x01cf, 0x010e),
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(0x01d0, 0x0110),
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(0x01d1, 0x0143),
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(0x01d2, 0x0147),
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(0x01d5, 0x0150),
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(0x01d8, 0x0158),
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(0x01d9, 0x016e),
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(0x01db, 0x0170),
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(0x01de, 0x0162),
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(0x01e0, 0x0155),
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(0x01e3, 0x0103),
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(0x01e5, 0x013a),
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(0x01e6, 0x0107),
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(0x01e8, 0x010d),
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(0x01ea, 0x0119),
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(0x01ec, 0x011b),
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(0x01ef, 0x010f),
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(0x01f0, 0x0111),
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(0x01f1, 0x0144),
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(0x01f2, 0x0148),
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(0x01f5, 0x0151),
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(0x01f8, 0x0159),
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(0x01f9, 0x016f),
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(0x01fb, 0x0171),
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(0x01fe, 0x0163),
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(0x01ff, 0x02d9),
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(0x02a1, 0x0126),
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(0x02a6, 0x0124),
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(0x02a9, 0x0130),
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(0x02ab, 0x011e),
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(0x02ac, 0x0134),
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(0x02b1, 0x0127),
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(0x02b6, 0x0125),
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(0x02b9, 0x0131),
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(0x02bb, 0x011f),
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(0x02bc, 0x0135),
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(0x02c5, 0x010a),
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(0x02c6, 0x0108),
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(0x02d5, 0x0120),
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(0x02d8, 0x011c),
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(0x02dd, 0x016c),
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(0x02de, 0x015c),
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(0x02e5, 0x010b),
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(0x02e6, 0x0109),
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(0x02f5, 0x0121),
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(0x02f8, 0x011d),
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(0x02fd, 0x016d),
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(0x02fe, 0x015d),
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(0x03a2, 0x0138),
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(0x03a3, 0x0156),
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(0x03a5, 0x0128),
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(0x03a6, 0x013b),
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(0x03aa, 0x0112),
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(0x03ab, 0x0122),
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(0x03ac, 0x0166),
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(0x03b3, 0x0157),
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(0x03b5, 0x0129),
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(0x03b6, 0x013c),
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(0x03ba, 0x0113),
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(0x03bb, 0x0123),
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(0x03bc, 0x0167),
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(0x03bd, 0x014a),
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(0x03bf, 0x014b),
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(0x03c0, 0x0100),
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(0x03c7, 0x012e),
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(0x03cc, 0x0116),
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(0x03cf, 0x012a),
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(0x03d1, 0x0145),
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(0x03d2, 0x014c),
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(0x03d3, 0x0136),
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(0x03d9, 0x0172),
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(0x03dd, 0x0168),
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(0x03de, 0x016a),
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(0x03e0, 0x0101),
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(0x03e7, 0x012f),
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(0x03ec, 0x0117),
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(0x03ef, 0x012b),
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(0x03f1, 0x0146),
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(0x03f2, 0x014d),
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(0x03f3, 0x0137),
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(0x03f9, 0x0173),
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(0x03fd, 0x0169),
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(0x03fe, 0x016b),
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(0x047e, 0x203e),
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(0x04a1, 0x3002),
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(0x04a2, 0x300c),
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(0x04a3, 0x300d),
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(0x04a4, 0x3001),
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(0x04a5, 0x30fb),
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(0x04a6, 0x30f2),
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(0x04a7, 0x30a1),
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(0x04a8, 0x30a3),
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(0x04a9, 0x30a5),
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(0x04aa, 0x30a7),
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(0x04ab, 0x30a9),
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(0x04ac, 0x30e3),
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(0x04ad, 0x30e5),
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(0x04ae, 0x30e7),
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(0x04af, 0x30c3),
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(0x04b0, 0x30fc),
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(0x04b1, 0x30a2),
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(0x04b2, 0x30a4),
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(0x04b3, 0x30a6),
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(0x04b4, 0x30a8),
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(0x04b5, 0x30aa),
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(0x04b6, 0x30ab),
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(0x04b7, 0x30ad),
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(0x04b8, 0x30af),
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(0x04b9, 0x30b1),
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(0x04ba, 0x30b3),
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(0x04bb, 0x30b5),
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(0x04bc, 0x30b7),
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(0x04bd, 0x30b9),
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(0x04be, 0x30bb),
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(0x04bf, 0x30bd),
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(0x04c0, 0x30bf),
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(0x04c1, 0x30c1),
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(0x04c2, 0x30c4),
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(0x04c3, 0x30c6),
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(0x04c4, 0x30c8),
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(0x04c5, 0x30ca),
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(0x04c6, 0x30cb),
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(0x04c7, 0x30cc),
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(0x04c8, 0x30cd),
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(0x04c9, 0x30ce),
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(0x04ca, 0x30cf),
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(0x04cb, 0x30d2),
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(0x04cc, 0x30d5),
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(0x04cd, 0x30d8),
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(0x04ce, 0x30db),
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(0x04cf, 0x30de),
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(0x04d0, 0x30df),
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(0x04d1, 0x30e0),
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(0x04d2, 0x30e1),
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(0x04d3, 0x30e2),
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(0x04d4, 0x30e4),
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(0x04d5, 0x30e6),
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(0x04d6, 0x30e8),
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(0x04d7, 0x30e9),
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(0x04d8, 0x30ea),
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(0x04d9, 0x30eb),
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(0x04da, 0x30ec),
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(0x04db, 0x30ed),
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(0x04dc, 0x30ef),
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(0x04dd, 0x30f3),
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(0x04de, 0x309b),
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(0x04df, 0x309c),
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(0x05ac, 0x060c),
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(0x05bb, 0x061b),
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(0x05bf, 0x061f),
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(0x05c1, 0x0621),
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(0x05c2, 0x0622),
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(0x05c3, 0x0623),
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(0x05c4, 0x0624),
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(0x05c5, 0x0625),
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(0x05c6, 0x0626),
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(0x05c7, 0x0627),
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(0x05c8, 0x0628),
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(0x05c9, 0x0629),
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(0x05ca, 0x062a),
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(0x05cb, 0x062b),
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(0x05cc, 0x062c),
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(0x05cd, 0x062d),
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(0x05ce, 0x062e),
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(0x05cf, 0x062f),
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(0x05d0, 0x0630),
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(0x05d1, 0x0631),
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(0x05d2, 0x0632),
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(0x05d3, 0x0633),
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(0x05d4, 0x0634),
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(0x05d5, 0x0635),
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(0x05d6, 0x0636),
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(0x05d7, 0x0637),
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(0x05d8, 0x0638),
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(0x05d9, 0x0639),
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(0x05da, 0x063a),
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(0x05e0, 0x0640),
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(0x05e1, 0x0641),
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(0x05e2, 0x0642),
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(0x05e3, 0x0643),
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(0x05e4, 0x0644),
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(0x05e5, 0x0645),
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(0x05e6, 0x0646),
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(0x05e7, 0x0647),
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(0x05e8, 0x0648),
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(0x05e9, 0x0649),
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(0x05ea, 0x064a),
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(0x05eb, 0x064b),
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(0x05ec, 0x064c),
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(0x05ed, 0x064d),
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(0x05ee, 0x064e),
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(0x05ef, 0x064f),
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(0x05f0, 0x0650),
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(0x05f1, 0x0651),
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(0x05f2, 0x0652),
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(0x06a1, 0x0452),
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(0x06a2, 0x0453),
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(0x06a3, 0x0451),
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(0x06a4, 0x0454),
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(0x06a5, 0x0455),
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(0x06a6, 0x0456),
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(0x06a7, 0x0457),
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(0x06a8, 0x0458),
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(0x06a9, 0x0459),
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(0x06aa, 0x045a),
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(0x06ab, 0x045b),
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(0x06ac, 0x045c),
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(0x06ae, 0x045e),
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(0x06af, 0x045f),
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(0x06b0, 0x2116),
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(0x06b1, 0x0402),
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(0x06b2, 0x0403),
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(0x06b3, 0x0401),
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(0x06b4, 0x0404),
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(0x06b5, 0x0405),
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(0x06b6, 0x0406),
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(0x06b7, 0x0407),
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(0x06b8, 0x0408),
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(0x06b9, 0x0409),
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(0x06ba, 0x040a),
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(0x06bb, 0x040b),
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(0x06bc, 0x040c),
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(0x06be, 0x040e),
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(0x06bf, 0x040f),
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(0x06c0, 0x044e),
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(0x06c1, 0x0430),
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(0x06c2, 0x0431),
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(0x06c3, 0x0446),
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(0x06c4, 0x0434),
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(0x06c5, 0x0435),
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(0x06c6, 0x0444),
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(0x06c7, 0x0433),
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(0x06c8, 0x0445),
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(0x06c9, 0x0438),
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(0x06ca, 0x0439),
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(0x06cb, 0x043a),
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(0x06cc, 0x043b),
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(0x06cd, 0x043c),
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(0x06ce, 0x043d),
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(0x06cf, 0x043e),
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(0x06d0, 0x043f),
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(0x06d1, 0x044f),
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(0x06d2, 0x0440),
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(0x06d3, 0x0441),
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||||
(0x06d4, 0x0442),
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||||
(0x06d5, 0x0443),
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||||
(0x06d6, 0x0436),
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||||
(0x06d7, 0x0432),
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||||
(0x06d8, 0x044c),
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||||
(0x06d9, 0x044b),
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||||
(0x06da, 0x0437),
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||||
(0x06db, 0x0448),
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||||
(0x06dc, 0x044d),
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||||
(0x06dd, 0x0449),
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||||
(0x06de, 0x0447),
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||||
(0x06df, 0x044a),
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||||
(0x06e0, 0x042e),
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||||
(0x06e1, 0x0410),
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||||
(0x06e2, 0x0411),
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||||
(0x06e3, 0x0426),
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(0x06e4, 0x0414),
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(0x06e5, 0x0415),
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(0x06e6, 0x0424),
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(0x06e7, 0x0413),
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(0x06e8, 0x0425),
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(0x06e9, 0x0418),
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(0x06ea, 0x0419),
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(0x06eb, 0x041a),
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(0x06ec, 0x041b),
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(0x06ed, 0x041c),
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(0x06ee, 0x041d),
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(0x06ef, 0x041e),
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(0x06f0, 0x041f),
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(0x06f1, 0x042f),
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(0x06f2, 0x0420),
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(0x06f3, 0x0421),
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(0x06f4, 0x0422),
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||||
(0x06f5, 0x0423),
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(0x06f6, 0x0416),
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(0x06f7, 0x0412),
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(0x06f8, 0x042c),
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(0x06f9, 0x042b),
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(0x06fa, 0x0417),
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(0x06fb, 0x0428),
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(0x06fc, 0x042d),
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(0x06fd, 0x0429),
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||||
(0x06fe, 0x0427),
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(0x06ff, 0x042a),
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(0x07a1, 0x0386),
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||||
(0x07a2, 0x0388),
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||||
(0x07a3, 0x0389),
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||||
(0x07a4, 0x038a),
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||||
(0x07a5, 0x03aa),
|
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||||
(0x0ecf, 0x315f),
|
||||
(0x0ed0, 0x3160),
|
||||
(0x0ed1, 0x3161),
|
||||
(0x0ed2, 0x3162),
|
||||
(0x0ed3, 0x3163),
|
||||
(0x0ed4, 0x11a8),
|
||||
(0x0ed5, 0x11a9),
|
||||
(0x0ed6, 0x11aa),
|
||||
(0x0ed7, 0x11ab),
|
||||
(0x0ed8, 0x11ac),
|
||||
(0x0ed9, 0x11ad),
|
||||
(0x0eda, 0x11ae),
|
||||
(0x0edb, 0x11af),
|
||||
(0x0edc, 0x11b0),
|
||||
(0x0edd, 0x11b1),
|
||||
(0x0ede, 0x11b2),
|
||||
(0x0edf, 0x11b3),
|
||||
(0x0ee0, 0x11b4),
|
||||
(0x0ee1, 0x11b5),
|
||||
(0x0ee2, 0x11b6),
|
||||
(0x0ee3, 0x11b7),
|
||||
(0x0ee4, 0x11b8),
|
||||
(0x0ee5, 0x11b9),
|
||||
(0x0ee6, 0x11ba),
|
||||
(0x0ee7, 0x11bb),
|
||||
(0x0ee8, 0x11bc),
|
||||
(0x0ee9, 0x11bd),
|
||||
(0x0eea, 0x11be),
|
||||
(0x0eeb, 0x11bf),
|
||||
(0x0eec, 0x11c0),
|
||||
(0x0eed, 0x11c1),
|
||||
(0x0eee, 0x11c2),
|
||||
(0x0eef, 0x316d),
|
||||
(0x0ef0, 0x3171),
|
||||
(0x0ef1, 0x3178),
|
||||
(0x0ef2, 0x317f),
|
||||
(0x0ef3, 0x3181),
|
||||
(0x0ef4, 0x3184),
|
||||
(0x0ef5, 0x3186),
|
||||
(0x0ef6, 0x318d),
|
||||
(0x0ef7, 0x318e),
|
||||
(0x0ef8, 0x11eb),
|
||||
(0x0ef9, 0x11f0),
|
||||
(0x0efa, 0x11f9),
|
||||
(0x0eff, 0x20a9),
|
||||
(0x13a4, 0x20ac),
|
||||
(0x13bc, 0x0152),
|
||||
(0x13bd, 0x0153),
|
||||
(0x13be, 0x0178),
|
||||
(0x20ac, 0x20ac),
|
||||
// Numeric keypad with numlock on
|
||||
(0xff80 /*XKB_KEY_KP_Space*/, ' ' as u32),
|
||||
(0xffaa /*XKB_KEY_KP_Multiply*/, '*' as u32),
|
||||
(0xffab /*XKB_KEY_KP_Add*/, '+' as u32),
|
||||
(0xffac /*XKB_KEY_KP_Separator*/, ',' as u32),
|
||||
(0xffad /*XKB_KEY_KP_Subtract*/, '-' as u32),
|
||||
(0xffae /*XKB_KEY_KP_Decimal*/, '.' as u32),
|
||||
(0xffaf /*XKB_KEY_KP_Divide*/, '/' as u32),
|
||||
(0xffb0 /*XKB_KEY_KP_0*/, 0x0030),
|
||||
(0xffb1 /*XKB_KEY_KP_1*/, 0x0031),
|
||||
(0xffb2 /*XKB_KEY_KP_2*/, 0x0032),
|
||||
(0xffb3 /*XKB_KEY_KP_3*/, 0x0033),
|
||||
(0xffb4 /*XKB_KEY_KP_4*/, 0x0034),
|
||||
(0xffb5 /*XKB_KEY_KP_5*/, 0x0035),
|
||||
(0xffb6 /*XKB_KEY_KP_6*/, 0x0036),
|
||||
(0xffb7 /*XKB_KEY_KP_7*/, 0x0037),
|
||||
(0xffb8 /*XKB_KEY_KP_8*/, 0x0038),
|
||||
(0xffb9 /*XKB_KEY_KP_9*/, 0x0039),
|
||||
(0xffbd /*XKB_KEY_KP_Equal*/, '=' as u32),
|
||||
];
|
||||
|
||||
fn binary_search(value: u32, min: isize, max: isize) -> Option<u32> {
|
||||
if max >= min {
|
||||
let mid = (min + max) / 2;
|
||||
let pair = keysymtab[mid as usize];
|
||||
|
||||
if pair.0 == value {
|
||||
Some(pair.1)
|
||||
} else if pair.0 < value {
|
||||
binary_search(value, mid + 1, max)
|
||||
} else {
|
||||
binary_search(value, min, mid - 1)
|
||||
}
|
||||
} else {
|
||||
// No matching Unicode value found
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
pub fn keysym_to_unicode(keysym: u32) -> Option<u32> {
|
||||
// First check for Latin-1 characters (1:1 mapping)
|
||||
if (keysym >= 0x0020 && keysym <= 0x007e) || (keysym >= 0x00a0 && keysym <= 0x00ff) {
|
||||
return Some(keysym);
|
||||
}
|
||||
|
||||
// Also check for directly encoded 24-bit UCS characters
|
||||
if (keysym & 0xff00_0000) == 0x0100_0000 {
|
||||
return Some(keysym & 0x00ff_ffff);
|
||||
}
|
||||
|
||||
// Binary search in table
|
||||
binary_search(keysym, 0, (LENGTH - 1) as isize)
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
pub fn test_it() {
|
||||
assert_eq!(keysym_to_unicode('1' as u32), Some('1' as u32));
|
||||
assert_eq!(keysym_to_unicode('a' as u32), Some('a' as u32));
|
||||
|
||||
assert_eq!(keysym_to_unicode(127), None);
|
||||
assert_eq!(keysym_to_unicode(0x123), None);
|
||||
assert_eq!(keysym_to_unicode(0xfffe), None);
|
||||
|
||||
// check table is sorted
|
||||
for k in 0..LENGTH - 1 {
|
||||
assert!(keysymtab[k + 1].0 > keysymtab[k].0);
|
||||
}
|
||||
|
||||
// check ability to find every value in the table
|
||||
for p in keysymtab.iter() {
|
||||
assert_eq!(keysym_to_unicode(p.0), Some(p.1));
|
||||
}
|
||||
}
|
||||
|
|
@ -9,7 +9,6 @@
|
|||
#![allow(non_upper_case_globals)]
|
||||
|
||||
mod common;
|
||||
mod key_mapping;
|
||||
#[cfg(feature = "wayland")]
|
||||
mod wayland;
|
||||
#[cfg(feature = "x11")]
|
||||
|
|
|
|||
|
|
@ -748,6 +748,19 @@ impl Window {
|
|||
&mut self.key_handler,
|
||||
);
|
||||
}
|
||||
|
||||
if state == wl_keyboard::KeyState::Pressed {
|
||||
let keysym = xkb::Keysym(key);
|
||||
let code_point = keysym.utf32();
|
||||
if code_point != 0 {
|
||||
// Taken from GLFW
|
||||
if !(code_point < 32 || (code_point > 126 && code_point < 160)) {
|
||||
if let Some(ref mut callback) = self.key_handler.key_callback {
|
||||
callback.add_char(code_point);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Event::Modifiers {
|
||||
mods_depressed,
|
||||
|
|
|
|||
|
|
@ -1011,15 +1011,17 @@ impl Window {
|
|||
return;
|
||||
}
|
||||
|
||||
if let Some(code_point) = super::key_mapping::keysym_to_unicode(sym as u32) {
|
||||
// Taken from GLFW
|
||||
if code_point < 32 || (code_point > 126 && code_point < 160) {
|
||||
return;
|
||||
}
|
||||
let keysym = xkb::Keysym(sym as u32);
|
||||
let code_point = keysym.utf32();
|
||||
// Taken from GLFW
|
||||
if code_point == 0 {
|
||||
return;
|
||||
} else if code_point < 32 || (code_point > 126 && code_point < 160) {
|
||||
return;
|
||||
}
|
||||
|
||||
if let Some(ref mut callback) = self.key_handler.key_callback {
|
||||
callback.add_char(code_point);
|
||||
}
|
||||
if let Some(ref mut callback) = self.key_handler.key_callback {
|
||||
callback.add_char(code_point);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue