/* GDK - The GIMP Drawing Kit * Copyright (C) 2000 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include #include "gdkkeys.h" enum { DIRECTION_CHANGED, LAST_SIGNAL }; static void gdk_keymap_class_init (GdkKeymapClass *klass); static guint signals[LAST_SIGNAL] = { 0 }; GType gdk_keymap_get_type (void) { static GType object_type = 0; if (!object_type) { static const GTypeInfo object_info = { sizeof (GdkKeymapClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) gdk_keymap_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GdkKeymap), 0, /* n_preallocs */ (GInstanceInitFunc) NULL, }; object_type = g_type_register_static (G_TYPE_OBJECT, "GdkKeymap", &object_info, 0); } return object_type; } static void gdk_keymap_class_init (GdkKeymapClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); signals[DIRECTION_CHANGED] = g_signal_new ("direction_changed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GdkKeymapClass, direction_changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } /* Other key-handling stuff */ #ifndef HAVE_XCONVERTCASE #include "gdkkeysyms.h" /* compatibility function from X11R6.3, since XConvertCase is not * supplied by X11R5. */ /** * gdk_keyval_convert_case: * @symbol: a keyval * @lower: return location for lowercase version of @symbol * @upper: return location for uppercase version of @symbol * * Obtains the upper- and lower-case versions of the keyval @symbol. * Examples of keyvals are #GDK_a, #GDK_Enter, #GDK_F1, etc. * **/ void gdk_keyval_convert_case (guint symbol, guint *lower, guint *upper) { guint xlower = symbol; guint xupper = symbol; /* Check for directly encoded 24-bit UCS characters: */ if ((symbol & 0xff000000) == 0x01000000) { if (lower) *lower = gdk_unicode_to_keyval (g_unichar_tolower (symbol & 0x00ffffff)); if (upper) *upper = gdk_unicode_to_keyval (g_unichar_toupper (symbol & 0x00ffffff)); return; } switch (symbol >> 8) { case 0: /* Latin 1 */ if ((symbol >= GDK_A) && (symbol <= GDK_Z)) xlower += (GDK_a - GDK_A); else if ((symbol >= GDK_a) && (symbol <= GDK_z)) xupper -= (GDK_a - GDK_A); else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis)) xlower += (GDK_agrave - GDK_Agrave); else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis)) xupper -= (GDK_agrave - GDK_Agrave); else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn)) xlower += (GDK_oslash - GDK_Ooblique); else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn)) xupper -= (GDK_oslash - GDK_Ooblique); break; case 1: /* Latin 2 */ /* Assume the KeySym is a legal value (ignore discontinuities) */ if (symbol == GDK_Aogonek) xlower = GDK_aogonek; else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute) xlower += (GDK_lstroke - GDK_Lstroke); else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute) xlower += (GDK_scaron - GDK_Scaron); else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot) xlower += (GDK_zcaron - GDK_Zcaron); else if (symbol == GDK_aogonek) xupper = GDK_Aogonek; else if (symbol >= GDK_lstroke && symbol <= GDK_sacute) xupper -= (GDK_lstroke - GDK_Lstroke); else if (symbol >= GDK_scaron && symbol <= GDK_zacute) xupper -= (GDK_scaron - GDK_Scaron); else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot) xupper -= (GDK_zcaron - GDK_Zcaron); else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla) xlower += (GDK_racute - GDK_Racute); else if (symbol >= GDK_racute && symbol <= GDK_tcedilla) xupper -= (GDK_racute - GDK_Racute); break; case 2: /* Latin 3 */ /* Assume the KeySym is a legal value (ignore discontinuities) */ if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex) xlower += (GDK_hstroke - GDK_Hstroke); else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex) xlower += (GDK_gbreve - GDK_Gbreve); else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex) xupper -= (GDK_hstroke - GDK_Hstroke); else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex) xupper -= (GDK_gbreve - GDK_Gbreve); else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex) xlower += (GDK_cabovedot - GDK_Cabovedot); else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex) xupper -= (GDK_cabovedot - GDK_Cabovedot); break; case 3: /* Latin 4 */ /* Assume the KeySym is a legal value (ignore discontinuities) */ if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash) xlower += (GDK_rcedilla - GDK_Rcedilla); else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash) xupper -= (GDK_rcedilla - GDK_Rcedilla); else if (symbol == GDK_ENG) xlower = GDK_eng; else if (symbol == GDK_eng) xupper = GDK_ENG; else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron) xlower += (GDK_amacron - GDK_Amacron); else if (symbol >= GDK_amacron && symbol <= GDK_umacron) xupper -= (GDK_amacron - GDK_Amacron); break; case 6: /* Cyrillic */ /* Assume the KeySym is a legal value (ignore discontinuities) */ if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE) xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje); else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze) xupper += (GDK_Serbian_DJE - GDK_Serbian_dje); else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN) xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu); else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign) xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu); break; case 7: /* Greek */ /* Assume the KeySym is a legal value (ignore discontinuities) */ if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent) xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent); else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent && symbol != GDK_Greek_iotaaccentdieresis && symbol != GDK_Greek_upsilonaccentdieresis) xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent); else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA) xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA); else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega && symbol != GDK_Greek_finalsmallsigma) xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA); break; } if (lower) *lower = xlower; if (upper) *upper = xupper; } #endif guint gdk_keyval_to_upper (guint keyval) { guint result; gdk_keyval_convert_case (keyval, NULL, &result); return result; } guint gdk_keyval_to_lower (guint keyval) { guint result; gdk_keyval_convert_case (keyval, &result, NULL); return result; } gboolean gdk_keyval_is_upper (guint keyval) { if (keyval) { guint upper_val = 0; gdk_keyval_convert_case (keyval, NULL, &upper_val); return upper_val == keyval; } return FALSE; } gboolean gdk_keyval_is_lower (guint keyval) { if (keyval) { guint lower_val = 0; gdk_keyval_convert_case (keyval, &lower_val, NULL); return lower_val == keyval; } return FALSE; }