forked from Qortal/Brooklyn
337 lines
9.2 KiB
C
337 lines
9.2 KiB
C
/*
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GDK - The GIMP Drawing Kit
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SPDX-FileCopyrightText: 1995-1997 Peter Mattis
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SPDX-FileCopyrightText: 1995-1997 Spencer Kimball
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SPDX-FileCopyrightText: 1995-1997 Josh MacDonald
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SPDX-FileCopyrightText: 2005, 2006, 2007, 2009 GNOME Foundation
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include <glib.h>
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#include <string.h>
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#include <stdlib.h>
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#include "gdkkeysyms_p.h"
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#include "gtkaccelparse_p.h"
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#include "gdkkeynames_p.h"
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static inline gboolean
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is_alt (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'a' || string[1] == 'A') &&
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(string[2] == 'l' || string[2] == 'L') &&
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(string[3] == 't' || string[3] == 'T') &&
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(string[4] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_ctl (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'c' || string[1] == 'C') &&
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(string[2] == 't' || string[2] == 'T') &&
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(string[3] == 'l' || string[3] == 'L') &&
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(string[4] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_modx (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'm' || string[1] == 'M') &&
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(string[2] == 'o' || string[2] == 'O') &&
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(string[3] == 'd' || string[3] == 'D') &&
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(string[4] >= '1' && string[4] <= '5') &&
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(string[5] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_ctrl (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'c' || string[1] == 'C') &&
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(string[2] == 't' || string[2] == 'T') &&
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(string[3] == 'r' || string[3] == 'R') &&
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(string[4] == 'l' || string[4] == 'L') &&
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(string[5] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_shft (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 's' || string[1] == 'S') &&
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(string[2] == 'h' || string[2] == 'H') &&
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(string[3] == 'f' || string[3] == 'F') &&
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(string[4] == 't' || string[4] == 'T') &&
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(string[5] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_shift (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 's' || string[1] == 'S') &&
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(string[2] == 'h' || string[2] == 'H') &&
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(string[3] == 'i' || string[3] == 'I') &&
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(string[4] == 'f' || string[4] == 'F') &&
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(string[5] == 't' || string[5] == 'T') &&
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(string[6] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_control (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'c' || string[1] == 'C') &&
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(string[2] == 'o' || string[2] == 'O') &&
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(string[3] == 'n' || string[3] == 'N') &&
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(string[4] == 't' || string[4] == 'T') &&
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(string[5] == 'r' || string[5] == 'R') &&
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(string[6] == 'o' || string[6] == 'O') &&
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(string[7] == 'l' || string[7] == 'L') &&
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(string[8] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_release (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'r' || string[1] == 'R') &&
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(string[2] == 'e' || string[2] == 'E') &&
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(string[3] == 'l' || string[3] == 'L') &&
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(string[4] == 'e' || string[4] == 'E') &&
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(string[5] == 'a' || string[5] == 'A') &&
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(string[6] == 's' || string[6] == 'S') &&
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(string[7] == 'e' || string[7] == 'E') &&
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(string[8] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_meta (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'm' || string[1] == 'M') &&
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(string[2] == 'e' || string[2] == 'E') &&
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(string[3] == 't' || string[3] == 'T') &&
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(string[4] == 'a' || string[4] == 'A') &&
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(string[5] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_super (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 's' || string[1] == 'S') &&
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(string[2] == 'u' || string[2] == 'U') &&
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(string[3] == 'p' || string[3] == 'P') &&
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(string[4] == 'e' || string[4] == 'E') &&
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(string[5] == 'r' || string[5] == 'R') &&
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(string[6] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_hyper (const gchar *string)
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{
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// clang-format off
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return ((string[0] == '<') &&
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(string[1] == 'h' || string[1] == 'H') &&
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(string[2] == 'y' || string[2] == 'Y') &&
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(string[3] == 'p' || string[3] == 'P') &&
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(string[4] == 'e' || string[4] == 'E') &&
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(string[5] == 'r' || string[5] == 'R') &&
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(string[6] == '>'));
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// clang-format on
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}
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static inline gboolean
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is_keycode (const gchar *string)
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{
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// clang-format off
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return (string[0] == '0' &&
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string[1] == 'x' &&
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g_ascii_isxdigit (string[2]) &&
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g_ascii_isxdigit (string[3]));
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// clang-format on
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}
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void
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_gtk_accelerator_parse (const gchar *accelerator,
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guint *accelerator_key,
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GdkModifierType *accelerator_mods)
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{
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guint keyval;
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GdkModifierType mods;
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gint len;
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gboolean error;
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if (accelerator_key)
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*accelerator_key = 0;
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if (accelerator_mods)
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*accelerator_mods = 0;
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g_return_if_fail (accelerator != NULL);
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error = FALSE;
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keyval = 0;
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mods = 0;
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len = strlen (accelerator);
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while (len)
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{
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if (*accelerator == '<')
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{
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if (len >= 9 && is_release (accelerator))
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{
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accelerator += 9;
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len -= 9;
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mods |= GDK_RELEASE_MASK;
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}
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else if (len >= 9 && is_control (accelerator))
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{
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accelerator += 9;
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len -= 9;
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mods |= GDK_CONTROL_MASK;
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}
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else if (len >= 7 && is_shift (accelerator))
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{
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accelerator += 7;
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len -= 7;
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mods |= GDK_SHIFT_MASK;
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}
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else if (len >= 6 && is_shft (accelerator))
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{
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accelerator += 6;
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len -= 6;
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mods |= GDK_SHIFT_MASK;
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}
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else if (len >= 6 && is_ctrl (accelerator))
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{
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accelerator += 6;
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len -= 6;
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mods |= GDK_CONTROL_MASK;
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}
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else if (len >= 6 && is_modx (accelerator))
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{
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static const guint mod_vals[] = {
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GDK_MOD1_MASK, GDK_MOD2_MASK, GDK_MOD3_MASK,
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GDK_MOD4_MASK, GDK_MOD5_MASK
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};
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len -= 6;
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accelerator += 4;
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mods |= mod_vals[*accelerator - '1'];
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accelerator += 2;
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}
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else if (len >= 5 && is_ctl (accelerator))
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{
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accelerator += 5;
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len -= 5;
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mods |= GDK_CONTROL_MASK;
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}
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else if (len >= 5 && is_alt (accelerator))
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{
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accelerator += 5;
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len -= 5;
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mods |= GDK_MOD1_MASK;
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}
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else if (len >= 6 && is_meta (accelerator))
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{
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accelerator += 6;
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len -= 6;
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// mods |= GDK_META_MASK;
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}
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else if (len >= 7 && is_hyper (accelerator))
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{
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accelerator += 7;
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len -= 7;
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mods |= GDK_MOD4_MASK;
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}
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else if (len >= 7 && is_super (accelerator))
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{
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accelerator += 7;
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len -= 7;
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mods |= GDK_MOD4_MASK;
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}
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else
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{
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gchar last_ch;
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last_ch = *accelerator;
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while (last_ch && last_ch != '>')
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{
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last_ch = *accelerator;
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accelerator += 1;
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len -= 1;
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}
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}
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}
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else
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{
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if (len >= 4 && is_keycode (accelerator))
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{
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char keystring[5];
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gchar *endptr;
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memcpy (keystring, accelerator, 4);
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keystring [4] = '\000';
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strtol (keystring, &endptr, 16);
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if (endptr == NULL || *endptr != '\000')
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{
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error = TRUE;
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goto out;
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}
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else
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{
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/* There was a keycode in the string, but
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* we cannot store it, so we have an error */
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error = TRUE;
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goto out;
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}
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}
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else
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{
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keyval = _gdk_keyval_from_name (accelerator);
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if (keyval == GDK_KEY_VoidSymbol)
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{
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error = TRUE;
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goto out;
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}
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}
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accelerator += len;
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len -= len;
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}
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}
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out:
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if (error)
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keyval = mods = 0;
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if (accelerator_key)
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*accelerator_key = keyval;
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if (accelerator_mods)
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*accelerator_mods = mods;
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}
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