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"
38 static void gdk_keymap_class_init (GdkKeymapClass *klass);
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) NULL,
62 object_type = g_type_register_static (G_TYPE_OBJECT,
71 gdk_keymap_class_init (GdkKeymapClass *klass)
73 GObjectClass *object_class = G_OBJECT_CLASS (klass);
75 signals[DIRECTION_CHANGED] =
76 g_signal_new ("direction_changed",
77 G_OBJECT_CLASS_TYPE (object_class),
79 G_STRUCT_OFFSET (GdkKeymapClass, direction_changed),
81 g_cclosure_marshal_VOID__VOID,
84 signals[KEYS_CHANGED] =
85 g_signal_new ("keys_changed",
86 G_OBJECT_CLASS_TYPE (object_class),
88 G_STRUCT_OFFSET (GdkKeymapClass, keys_changed),
90 g_cclosure_marshal_VOID__VOID,
95 /* Other key-handling stuff
98 #ifndef HAVE_XCONVERTCASE
99 #include "gdkkeysyms.h"
101 /* compatibility function from X11R6.3, since XConvertCase is not
105 * gdk_keyval_convert_case:
107 * @lower: return location for lowercase version of @symbol
108 * @upper: return location for uppercase version of @symbol
110 * Obtains the upper- and lower-case versions of the keyval @symbol.
111 * Examples of keyvals are #GDK_a, #GDK_Enter, #GDK_F1, etc.
115 gdk_keyval_convert_case (guint symbol,
119 guint xlower = symbol;
120 guint xupper = symbol;
122 /* Check for directly encoded 24-bit UCS characters: */
123 if ((symbol & 0xff000000) == 0x01000000)
126 *lower = gdk_unicode_to_keyval (g_unichar_tolower (symbol & 0x00ffffff));
128 *upper = gdk_unicode_to_keyval (g_unichar_toupper (symbol & 0x00ffffff));
134 case 0: /* Latin 1 */
135 if ((symbol >= GDK_A) && (symbol <= GDK_Z))
136 xlower += (GDK_a - GDK_A);
137 else if ((symbol >= GDK_a) && (symbol <= GDK_z))
138 xupper -= (GDK_a - GDK_A);
139 else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis))
140 xlower += (GDK_agrave - GDK_Agrave);
141 else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis))
142 xupper -= (GDK_agrave - GDK_Agrave);
143 else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn))
144 xlower += (GDK_oslash - GDK_Ooblique);
145 else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn))
146 xupper -= (GDK_oslash - GDK_Ooblique);
149 case 1: /* Latin 2 */
150 /* Assume the KeySym is a legal value (ignore discontinuities) */
151 if (symbol == GDK_Aogonek)
152 xlower = GDK_aogonek;
153 else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute)
154 xlower += (GDK_lstroke - GDK_Lstroke);
155 else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute)
156 xlower += (GDK_scaron - GDK_Scaron);
157 else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot)
158 xlower += (GDK_zcaron - GDK_Zcaron);
159 else if (symbol == GDK_aogonek)
160 xupper = GDK_Aogonek;
161 else if (symbol >= GDK_lstroke && symbol <= GDK_sacute)
162 xupper -= (GDK_lstroke - GDK_Lstroke);
163 else if (symbol >= GDK_scaron && symbol <= GDK_zacute)
164 xupper -= (GDK_scaron - GDK_Scaron);
165 else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot)
166 xupper -= (GDK_zcaron - GDK_Zcaron);
167 else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla)
168 xlower += (GDK_racute - GDK_Racute);
169 else if (symbol >= GDK_racute && symbol <= GDK_tcedilla)
170 xupper -= (GDK_racute - GDK_Racute);
173 case 2: /* Latin 3 */
174 /* Assume the KeySym is a legal value (ignore discontinuities) */
175 if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex)
176 xlower += (GDK_hstroke - GDK_Hstroke);
177 else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex)
178 xlower += (GDK_gbreve - GDK_Gbreve);
179 else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex)
180 xupper -= (GDK_hstroke - GDK_Hstroke);
181 else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex)
182 xupper -= (GDK_gbreve - GDK_Gbreve);
183 else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex)
184 xlower += (GDK_cabovedot - GDK_Cabovedot);
185 else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex)
186 xupper -= (GDK_cabovedot - GDK_Cabovedot);
189 case 3: /* Latin 4 */
190 /* Assume the KeySym is a legal value (ignore discontinuities) */
191 if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash)
192 xlower += (GDK_rcedilla - GDK_Rcedilla);
193 else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash)
194 xupper -= (GDK_rcedilla - GDK_Rcedilla);
195 else if (symbol == GDK_ENG)
197 else if (symbol == GDK_eng)
199 else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron)
200 xlower += (GDK_amacron - GDK_Amacron);
201 else if (symbol >= GDK_amacron && symbol <= GDK_umacron)
202 xupper -= (GDK_amacron - GDK_Amacron);
205 case 6: /* Cyrillic */
206 /* Assume the KeySym is a legal value (ignore discontinuities) */
207 if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE)
208 xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
209 else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze)
210 xupper += (GDK_Serbian_DJE - GDK_Serbian_dje);
211 else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN)
212 xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
213 else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign)
214 xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
218 /* Assume the KeySym is a legal value (ignore discontinuities) */
219 if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent)
220 xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
221 else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent &&
222 symbol != GDK_Greek_iotaaccentdieresis &&
223 symbol != GDK_Greek_upsilonaccentdieresis)
224 xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
225 else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA)
226 xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
227 else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega &&
228 symbol != GDK_Greek_finalsmallsigma)
229 xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
241 gdk_keyval_to_upper (guint keyval)
245 gdk_keyval_convert_case (keyval, NULL, &result);
251 gdk_keyval_to_lower (guint keyval)
255 gdk_keyval_convert_case (keyval, &result, NULL);
261 gdk_keyval_is_upper (guint keyval)
267 gdk_keyval_convert_case (keyval, NULL, &upper_val);
268 return upper_val == keyval;
274 gdk_keyval_is_lower (guint keyval)
280 gdk_keyval_convert_case (keyval, &lower_val, NULL);
281 return lower_val == keyval;
287 * gdk_keymap_get_default:
288 * @returns: the #GdkKeymap attached to the default display.
290 * Returns the #GdkKeymap attached to the default display.
293 gdk_keymap_get_default (void)
295 return gdk_keymap_get_for_display (gdk_display_get_default ());