1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 2000 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
35 static void gdk_keymap_init (GdkKeymap *keymap);
36 static void gdk_keymap_class_init (GdkKeymapClass *klass);
38 static gpointer parent_class = NULL;
40 static guint signals[LAST_SIGNAL] = { 0 };
43 gdk_keymap_get_type (void)
45 static GType object_type = 0;
49 static const GTypeInfo object_info =
51 sizeof (GdkKeymapClass),
53 (GBaseFinalizeFunc) NULL,
54 (GClassInitFunc) gdk_keymap_class_init,
55 NULL, /* class_finalize */
56 NULL, /* class_data */
59 (GInstanceInitFunc) gdk_keymap_init,
62 object_type = g_type_register_static (G_TYPE_OBJECT,
71 gdk_keymap_init (GdkKeymap *keymap)
77 gdk_keymap_class_init (GdkKeymapClass *klass)
79 GObjectClass *object_class = G_OBJECT_CLASS (klass);
81 parent_class = g_type_class_peek_parent (klass);
83 signals[DIRECTION_CHANGED] =
84 g_signal_new ("direction_changed",
85 G_OBJECT_CLASS_TYPE (object_class),
87 G_STRUCT_OFFSET (GdkKeymapClass, direction_changed),
89 g_cclosure_marshal_VOID__VOID,
94 /* Other key-handling stuff
97 #ifndef HAVE_XCONVERTCASE
98 /* compatibility function from X11R6.3, since XConvertCase is not
102 gdk_keyval_convert_case (guint symbol,
106 guint xlower = symbol;
107 guint xupper = symbol;
111 #if defined (GDK_A) && defined (GDK_Ooblique)
112 case 0: /* Latin 1 */
113 if ((symbol >= GDK_A) && (symbol <= GDK_Z))
114 xlower += (GDK_a - GDK_A);
115 else if ((symbol >= GDK_a) && (symbol <= GDK_z))
116 xupper -= (GDK_a - GDK_A);
117 else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis))
118 xlower += (GDK_agrave - GDK_Agrave);
119 else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis))
120 xupper -= (GDK_agrave - GDK_Agrave);
121 else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn))
122 xlower += (GDK_oslash - GDK_Ooblique);
123 else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn))
124 xupper -= (GDK_oslash - GDK_Ooblique);
128 #if defined (GDK_Aogonek) && defined (GDK_tcedilla)
129 case 1: /* Latin 2 */
130 /* Assume the KeySym is a legal value (ignore discontinuities) */
131 if (symbol == GDK_Aogonek)
132 xlower = GDK_aogonek;
133 else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute)
134 xlower += (GDK_lstroke - GDK_Lstroke);
135 else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute)
136 xlower += (GDK_scaron - GDK_Scaron);
137 else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot)
138 xlower += (GDK_zcaron - GDK_Zcaron);
139 else if (symbol == GDK_aogonek)
140 xupper = GDK_Aogonek;
141 else if (symbol >= GDK_lstroke && symbol <= GDK_sacute)
142 xupper -= (GDK_lstroke - GDK_Lstroke);
143 else if (symbol >= GDK_scaron && symbol <= GDK_zacute)
144 xupper -= (GDK_scaron - GDK_Scaron);
145 else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot)
146 xupper -= (GDK_zcaron - GDK_Zcaron);
147 else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla)
148 xlower += (GDK_racute - GDK_Racute);
149 else if (symbol >= GDK_racute && symbol <= GDK_tcedilla)
150 xupper -= (GDK_racute - GDK_Racute);
154 #if defined (GDK_Hstroke) && defined (GDK_Cabovedot)
155 case 2: /* Latin 3 */
156 /* Assume the KeySym is a legal value (ignore discontinuities) */
157 if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex)
158 xlower += (GDK_hstroke - GDK_Hstroke);
159 else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex)
160 xlower += (GDK_gbreve - GDK_Gbreve);
161 else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex)
162 xupper -= (GDK_hstroke - GDK_Hstroke);
163 else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex)
164 xupper -= (GDK_gbreve - GDK_Gbreve);
165 else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex)
166 xlower += (GDK_cabovedot - GDK_Cabovedot);
167 else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex)
168 xupper -= (GDK_cabovedot - GDK_Cabovedot);
172 #if defined (GDK_Rcedilla) && defined (GDK_Amacron)
173 case 3: /* Latin 4 */
174 /* Assume the KeySym is a legal value (ignore discontinuities) */
175 if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash)
176 xlower += (GDK_rcedilla - GDK_Rcedilla);
177 else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash)
178 xupper -= (GDK_rcedilla - GDK_Rcedilla);
179 else if (symbol == GDK_ENG)
181 else if (symbol == GDK_eng)
183 else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron)
184 xlower += (GDK_amacron - GDK_Amacron);
185 else if (symbol >= GDK_amacron && symbol <= GDK_umacron)
186 xupper -= (GDK_amacron - GDK_Amacron);
190 #if defined (GDK_Serbian_DJE) && defined (GDK_Cyrillic_yu)
191 case 6: /* Cyrillic */
192 /* Assume the KeySym is a legal value (ignore discontinuities) */
193 if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE)
194 xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
195 else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze)
196 xupper += (GDK_Serbian_DJE - GDK_Serbian_dje);
197 else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN)
198 xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
199 else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign)
200 xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
202 #endif /* CYRILLIC */
204 #if defined (GDK_Greek_ALPHAaccent) && defined (GDK_Greek_finalsmallsigma)
206 /* Assume the KeySym is a legal value (ignore discontinuities) */
207 if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent)
208 xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
209 else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent &&
210 symbol != GDK_Greek_iotaaccentdieresis &&
211 symbol != GDK_Greek_upsilonaccentdieresis)
212 xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
213 else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA)
214 xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
215 else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega &&
216 symbol != GDK_Greek_finalsmallsigma)
217 xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
230 gdk_keyval_to_upper (guint keyval)
234 gdk_keyval_convert_case (keyval, NULL, &result);
240 gdk_keyval_to_lower (guint keyval)
244 gdk_keyval_convert_case (keyval, &result, NULL);
250 gdk_keyval_is_upper (guint keyval)
256 gdk_keyval_convert_case (keyval, NULL, &upper_val);
257 return upper_val == keyval;
263 gdk_keyval_is_lower (guint keyval)
269 gdk_keyval_convert_case (keyval, &lower_val, NULL);
270 return lower_val == keyval;