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);
37 static void gdk_keymap_finalize (GObject *object);
39 static gpointer parent_class = NULL;
41 static guint signals[LAST_SIGNAL] = { 0 };
44 gdk_keymap_get_type (void)
46 static GType object_type = 0;
50 static const GTypeInfo object_info =
52 sizeof (GdkKeymapClass),
54 (GBaseFinalizeFunc) NULL,
55 (GClassInitFunc) gdk_keymap_class_init,
56 NULL, /* class_finalize */
57 NULL, /* class_data */
60 (GInstanceInitFunc) gdk_keymap_init,
63 object_type = g_type_register_static (G_TYPE_OBJECT,
72 gdk_keymap_init (GdkKeymap *keymap)
78 gdk_keymap_class_init (GdkKeymapClass *klass)
80 GObjectClass *object_class = G_OBJECT_CLASS (klass);
82 parent_class = g_type_class_peek_parent (klass);
84 object_class->finalize = gdk_keymap_finalize;
86 signals[DIRECTION_CHANGED] =
87 g_signal_new ("direction_changed",
88 G_OBJECT_CLASS_TYPE (object_class),
90 G_STRUCT_OFFSET (GdkKeymapClass, direction_changed),
92 g_cclosure_marshal_VOID__VOID,
98 gdk_keymap_finalize (GObject *object)
100 GdkKeymap *keymap = GDK_KEYMAP (object);
102 G_OBJECT_CLASS (parent_class)->finalize (object);
107 /* Other key-handling stuff
110 #ifndef HAVE_XCONVERTCASE
111 /* compatibility function from X11R6.3, since XConvertCase is not
115 gdk_keyval_convert_case (guint symbol,
119 guint xlower = symbol;
120 guint xupper = symbol;
124 #if defined (GDK_A) && defined (GDK_Ooblique)
125 case 0: /* Latin 1 */
126 if ((symbol >= GDK_A) && (symbol <= GDK_Z))
127 xlower += (GDK_a - GDK_A);
128 else if ((symbol >= GDK_a) && (symbol <= GDK_z))
129 xupper -= (GDK_a - GDK_A);
130 else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis))
131 xlower += (GDK_agrave - GDK_Agrave);
132 else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis))
133 xupper -= (GDK_agrave - GDK_Agrave);
134 else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn))
135 xlower += (GDK_oslash - GDK_Ooblique);
136 else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn))
137 xupper -= (GDK_oslash - GDK_Ooblique);
141 #if defined (GDK_Aogonek) && defined (GDK_tcedilla)
142 case 1: /* Latin 2 */
143 /* Assume the KeySym is a legal value (ignore discontinuities) */
144 if (symbol == GDK_Aogonek)
145 xlower = GDK_aogonek;
146 else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute)
147 xlower += (GDK_lstroke - GDK_Lstroke);
148 else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute)
149 xlower += (GDK_scaron - GDK_Scaron);
150 else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot)
151 xlower += (GDK_zcaron - GDK_Zcaron);
152 else if (symbol == GDK_aogonek)
153 xupper = GDK_Aogonek;
154 else if (symbol >= GDK_lstroke && symbol <= GDK_sacute)
155 xupper -= (GDK_lstroke - GDK_Lstroke);
156 else if (symbol >= GDK_scaron && symbol <= GDK_zacute)
157 xupper -= (GDK_scaron - GDK_Scaron);
158 else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot)
159 xupper -= (GDK_zcaron - GDK_Zcaron);
160 else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla)
161 xlower += (GDK_racute - GDK_Racute);
162 else if (symbol >= GDK_racute && symbol <= GDK_tcedilla)
163 xupper -= (GDK_racute - GDK_Racute);
167 #if defined (GDK_Hstroke) && defined (GDK_Cabovedot)
168 case 2: /* Latin 3 */
169 /* Assume the KeySym is a legal value (ignore discontinuities) */
170 if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex)
171 xlower += (GDK_hstroke - GDK_Hstroke);
172 else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex)
173 xlower += (GDK_gbreve - GDK_Gbreve);
174 else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex)
175 xupper -= (GDK_hstroke - GDK_Hstroke);
176 else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex)
177 xupper -= (GDK_gbreve - GDK_Gbreve);
178 else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex)
179 xlower += (GDK_cabovedot - GDK_Cabovedot);
180 else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex)
181 xupper -= (GDK_cabovedot - GDK_Cabovedot);
185 #if defined (GDK_Rcedilla) && defined (GDK_Amacron)
186 case 3: /* Latin 4 */
187 /* Assume the KeySym is a legal value (ignore discontinuities) */
188 if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash)
189 xlower += (GDK_rcedilla - GDK_Rcedilla);
190 else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash)
191 xupper -= (GDK_rcedilla - GDK_Rcedilla);
192 else if (symbol == GDK_ENG)
194 else if (symbol == GDK_eng)
196 else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron)
197 xlower += (GDK_amacron - GDK_Amacron);
198 else if (symbol >= GDK_amacron && symbol <= GDK_umacron)
199 xupper -= (GDK_amacron - GDK_Amacron);
203 #if defined (GDK_Serbian_DJE) && defined (GDK_Cyrillic_yu)
204 case 6: /* Cyrillic */
205 /* Assume the KeySym is a legal value (ignore discontinuities) */
206 if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE)
207 xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
208 else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze)
209 xupper += (GDK_Serbian_DJE - GDK_Serbian_dje);
210 else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN)
211 xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
212 else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign)
213 xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
215 #endif /* CYRILLIC */
217 #if defined (GDK_Greek_ALPHAaccent) && defined (GDK_Greek_finalsmallsigma)
219 /* Assume the KeySym is a legal value (ignore discontinuities) */
220 if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent)
221 xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
222 else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent &&
223 symbol != GDK_Greek_iotaaccentdieresis &&
224 symbol != GDK_Greek_upsilonaccentdieresis)
225 xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
226 else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA)
227 xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
228 else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega &&
229 symbol != GDK_Greek_finalsmallsigma)
230 xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
243 gdk_keyval_to_upper (guint keyval)
247 gdk_keyval_convert_case (keyval, NULL, &result);
253 gdk_keyval_to_lower (guint keyval)
257 gdk_keyval_convert_case (keyval, &result, NULL);
263 gdk_keyval_is_upper (guint keyval)
269 gdk_keyval_convert_case (keyval, NULL, &upper_val);
270 return upper_val == keyval;
276 gdk_keyval_is_lower (guint keyval)
282 gdk_keyval_convert_case (keyval, &lower_val, NULL);
283 return lower_val == keyval;