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/.
29 #include "gdkdisplay.h"
37 static void gdk_keymap_class_init (GdkKeymapClass *klass);
39 static guint signals[LAST_SIGNAL] = { 0 };
42 gdk_keymap_get_type (void)
44 static GType object_type = 0;
48 static const GTypeInfo object_info =
50 sizeof (GdkKeymapClass),
52 (GBaseFinalizeFunc) NULL,
53 (GClassInitFunc) gdk_keymap_class_init,
54 NULL, /* class_finalize */
55 NULL, /* class_data */
58 (GInstanceInitFunc) NULL,
61 object_type = g_type_register_static (G_TYPE_OBJECT,
70 gdk_keymap_class_init (GdkKeymapClass *klass)
72 GObjectClass *object_class = G_OBJECT_CLASS (klass);
74 signals[DIRECTION_CHANGED] =
75 g_signal_new ("direction_changed",
76 G_OBJECT_CLASS_TYPE (object_class),
78 G_STRUCT_OFFSET (GdkKeymapClass, direction_changed),
80 g_cclosure_marshal_VOID__VOID,
85 /* Other key-handling stuff
88 #ifndef HAVE_XCONVERTCASE
89 #include "gdkkeysyms.h"
91 /* compatibility function from X11R6.3, since XConvertCase is not
95 * gdk_keyval_convert_case:
97 * @lower: return location for lowercase version of @symbol
98 * @upper: return location for uppercase version of @symbol
100 * Obtains the upper- and lower-case versions of the keyval @symbol.
101 * Examples of keyvals are #GDK_a, #GDK_Enter, #GDK_F1, etc.
105 gdk_keyval_convert_case (guint symbol,
109 guint xlower = symbol;
110 guint xupper = symbol;
112 /* Check for directly encoded 24-bit UCS characters: */
113 if ((symbol & 0xff000000) == 0x01000000)
116 *lower = gdk_unicode_to_keyval (g_unichar_tolower (symbol & 0x00ffffff));
118 *upper = gdk_unicode_to_keyval (g_unichar_toupper (symbol & 0x00ffffff));
124 case 0: /* Latin 1 */
125 if ((symbol >= GDK_A) && (symbol <= GDK_Z))
126 xlower += (GDK_a - GDK_A);
127 else if ((symbol >= GDK_a) && (symbol <= GDK_z))
128 xupper -= (GDK_a - GDK_A);
129 else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis))
130 xlower += (GDK_agrave - GDK_Agrave);
131 else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis))
132 xupper -= (GDK_agrave - GDK_Agrave);
133 else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn))
134 xlower += (GDK_oslash - GDK_Ooblique);
135 else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn))
136 xupper -= (GDK_oslash - GDK_Ooblique);
139 case 1: /* Latin 2 */
140 /* Assume the KeySym is a legal value (ignore discontinuities) */
141 if (symbol == GDK_Aogonek)
142 xlower = GDK_aogonek;
143 else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute)
144 xlower += (GDK_lstroke - GDK_Lstroke);
145 else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute)
146 xlower += (GDK_scaron - GDK_Scaron);
147 else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot)
148 xlower += (GDK_zcaron - GDK_Zcaron);
149 else if (symbol == GDK_aogonek)
150 xupper = GDK_Aogonek;
151 else if (symbol >= GDK_lstroke && symbol <= GDK_sacute)
152 xupper -= (GDK_lstroke - GDK_Lstroke);
153 else if (symbol >= GDK_scaron && symbol <= GDK_zacute)
154 xupper -= (GDK_scaron - GDK_Scaron);
155 else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot)
156 xupper -= (GDK_zcaron - GDK_Zcaron);
157 else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla)
158 xlower += (GDK_racute - GDK_Racute);
159 else if (symbol >= GDK_racute && symbol <= GDK_tcedilla)
160 xupper -= (GDK_racute - GDK_Racute);
163 case 2: /* Latin 3 */
164 /* Assume the KeySym is a legal value (ignore discontinuities) */
165 if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex)
166 xlower += (GDK_hstroke - GDK_Hstroke);
167 else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex)
168 xlower += (GDK_gbreve - GDK_Gbreve);
169 else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex)
170 xupper -= (GDK_hstroke - GDK_Hstroke);
171 else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex)
172 xupper -= (GDK_gbreve - GDK_Gbreve);
173 else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex)
174 xlower += (GDK_cabovedot - GDK_Cabovedot);
175 else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex)
176 xupper -= (GDK_cabovedot - GDK_Cabovedot);
179 case 3: /* Latin 4 */
180 /* Assume the KeySym is a legal value (ignore discontinuities) */
181 if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash)
182 xlower += (GDK_rcedilla - GDK_Rcedilla);
183 else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash)
184 xupper -= (GDK_rcedilla - GDK_Rcedilla);
185 else if (symbol == GDK_ENG)
187 else if (symbol == GDK_eng)
189 else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron)
190 xlower += (GDK_amacron - GDK_Amacron);
191 else if (symbol >= GDK_amacron && symbol <= GDK_umacron)
192 xupper -= (GDK_amacron - GDK_Amacron);
195 case 6: /* Cyrillic */
196 /* Assume the KeySym is a legal value (ignore discontinuities) */
197 if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE)
198 xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
199 else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze)
200 xupper += (GDK_Serbian_DJE - GDK_Serbian_dje);
201 else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN)
202 xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
203 else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign)
204 xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
208 /* Assume the KeySym is a legal value (ignore discontinuities) */
209 if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent)
210 xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
211 else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent &&
212 symbol != GDK_Greek_iotaaccentdieresis &&
213 symbol != GDK_Greek_upsilonaccentdieresis)
214 xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
215 else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA)
216 xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
217 else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega &&
218 symbol != GDK_Greek_finalsmallsigma)
219 xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
231 gdk_keyval_to_upper (guint keyval)
235 gdk_keyval_convert_case (keyval, NULL, &result);
241 gdk_keyval_to_lower (guint keyval)
245 gdk_keyval_convert_case (keyval, &result, NULL);
251 gdk_keyval_is_upper (guint keyval)
257 gdk_keyval_convert_case (keyval, NULL, &upper_val);
258 return upper_val == keyval;
264 gdk_keyval_is_lower (guint keyval)
270 gdk_keyval_convert_case (keyval, &lower_val, NULL);
271 return lower_val == keyval;
277 * gdk_keymap_get_default:
278 * @returns: the #GdkKeymap attached to the default display.
280 * Returns the #GdkKeymap attached to the default display.
283 gdk_keymap_get_default (void)
285 return gdk_keymap_get_for_display (gdk_display_get_default ());