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462
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1 /* Console functions for X windows.
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2 Copyright (C) 1996 Ben Wing.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 /* Authorship:
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24
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25 Ben Wing: January 1996, for 19.14.
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26 William Perry: April 2000, for 21.1 (Gtk version)
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27 */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31
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32 #include "process.h" /* canonicalize_host_name */
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33 #include "redisplay.h" /* for display_arg */
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34
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2828
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35 #include "charset.h"
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36 #include "elhash.h"
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37
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872
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38 #include "console-gtk-impl.h"
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39
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462
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40 DEFINE_CONSOLE_TYPE (gtk);
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41
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42 static int
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2286
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43 gtk_initially_selected_for_input (struct console *UNUSED (con))
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462
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44 {
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45 return 1;
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46 }
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47
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48 /* Remember, in all of the following functions, we have to verify
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49 the integrity of our input, because the generic functions don't. */
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50
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51 static Lisp_Object
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2286
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52 gtk_device_to_console_connection (Lisp_Object connection,
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53 Error_Behavior UNUSED (errb))
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462
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54 {
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55 /* Strip the trailing .# off of the connection, if it's there. */
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56
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57 if (NILP (connection))
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58 return Qnil;
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59 else
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60 {
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61 connection = build_string ("gtk");
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62 }
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63 return connection;
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64 }
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65
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66 static Lisp_Object
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67 gtk_semi_canonicalize_console_connection (Lisp_Object connection,
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2286
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68 Error_Behavior UNUSED (errb))
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462
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69 {
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70 struct gcpro gcpro1;
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71
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72 GCPRO1 (connection);
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73
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74 connection = build_string ("gtk");
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75
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76 RETURN_UNGCPRO (connection);
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77 }
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78
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79 static Lisp_Object
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2286
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80 gtk_canonicalize_console_connection (Lisp_Object connection,
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81 Error_Behavior UNUSED (errb))
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462
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82 {
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83 Lisp_Object hostname = Qnil;
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84 struct gcpro gcpro1, gcpro2;
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85
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86 GCPRO2 (connection, hostname);
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87
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88 connection = build_string ("gtk");
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89
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90 RETURN_UNGCPRO (connection);
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91 }
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92
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93 static Lisp_Object
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94 gtk_semi_canonicalize_device_connection (Lisp_Object connection,
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2286
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95 Error_Behavior UNUSED (errb))
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462
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96 {
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97 struct gcpro gcpro1;
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98
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99 GCPRO1 (connection);
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100
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101 connection = build_string("gtk");
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102
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103 RETURN_UNGCPRO (connection);
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104 }
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105
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106 static Lisp_Object
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2286
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107 gtk_canonicalize_device_connection (Lisp_Object connection,
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108 Error_Behavior UNUSED (errb))
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462
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109 {
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110 struct gcpro gcpro1;
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111
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112 GCPRO1 (connection);
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113 connection = build_string("gtk");
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114
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115 RETURN_UNGCPRO (connection);
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116 }
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117
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2828
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118 extern Lisp_Object gtk_keysym_to_character(guint keysym);
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119
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120 static Lisp_Object
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121 gtk_perhaps_init_unseen_key_defaults (struct console *UNUSED(con),
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122 Lisp_Object key)
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123 {
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124 Lisp_Object char_to_associate = Qnil;
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125 extern Lisp_Object Vcurrent_global_map, Qgtk_seen_characters,
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126 Qcharacter_of_keysym;
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127
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128 if (SYMBOLP(key))
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129 {
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130 gchar *symbol_name;
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131 guint keyval;
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132 DECLARE_EISTRING(ei_symname);
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133
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134 eicpy_rawz(ei_symname, XSTRING_DATA(symbol_name(XSYMBOL(key))));
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135
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136 /* No information on the coding system of the string key names in GDK,
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137 to my knowledge. Defaulting to binary, */
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138 eito_external(ei_symname, Qbinary);
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139 symbol_name = eiextdata(ei_symname);
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140
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141 /* GTK 2.0 has an API we can use, and makes this available in gdkkeys.h
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142
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143 This has yet to be compiled, because XEmacs' GTK support hasn't yet moved
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144 to 2.0. So if you're porting XEmacs to GTK 2.0, bear that in mind. */
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145 char_to_associate
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146 #ifdef __GDK_KEYS_H__
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147 = Funicode_to_char
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148 (make_int(gdk_keyval_to_unicode
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149 (gdk_keyval_from_name(symbol_name))), Qnil);
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150 #else /* GTK 1.whatever doesn't. Use the X11 map. */
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151 = gtk_keysym_to_character(gdk_keyval_from_name(symbol_name));
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152 #endif
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153 }
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154 else
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155 {
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156 CHECK_CHAR(key);
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157 }
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158
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159 if (!(HASH_TABLEP(Qgtk_seen_characters)))
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160 {
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161 Qgtk_seen_characters = make_lisp_hash_table (128, HASH_TABLE_NON_WEAK,
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162 HASH_TABLE_EQUAL);
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163 }
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164
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165 /* Might give the user an opaque error if make_lisp_hash_table fails,
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166 but it shouldn't crash. */
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167 CHECK_HASH_TABLE(Qgtk_seen_characters);
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168
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169 if (EQ(char_to_associate, Qnil) /* If there's no char to bind, */
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170 || (XCHAR(char_to_associate) < 0x80) /* or it's ASCII */
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171 || !NILP(Fgethash(key, Qgtk_seen_characters, Qnil))) /* Or we've seen
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172 it already, */
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173 {
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174 /* then don't bind the key. */
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175 return Qnil;
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176 }
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177
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178 if (NILP (Flookup_key (Vcurrent_global_map, key, Qnil)))
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179 {
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180 Fputhash(key, Qt, Qgtk_seen_characters);
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181 Fdefine_key (Vcurrent_global_map, key, Qself_insert_command);
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182 if (SYMBOLP(key))
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183 {
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184 Fput (key, Qcharacter_of_keysym, char_to_associate);
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185 }
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186 return Qt;
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187 }
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188
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189 return Qnil;
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190 }
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191
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462
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192 void
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193 console_type_create_gtk (void)
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194 {
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195 INITIALIZE_CONSOLE_TYPE (gtk, "gtk", "console-gtk-p");
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196
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197 CONSOLE_HAS_METHOD (gtk, semi_canonicalize_console_connection);
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198 CONSOLE_HAS_METHOD (gtk, canonicalize_console_connection);
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199 CONSOLE_HAS_METHOD (gtk, semi_canonicalize_device_connection);
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200 CONSOLE_HAS_METHOD (gtk, canonicalize_device_connection);
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201 CONSOLE_HAS_METHOD (gtk, device_to_console_connection);
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202 CONSOLE_HAS_METHOD (gtk, initially_selected_for_input);
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2828
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203 CONSOLE_HAS_METHOD (gtk, perhaps_init_unseen_key_defaults);
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462
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204 /* CONSOLE_HAS_METHOD (gtk, delete_console); */
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205 }
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206
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207 void
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208 reinit_console_type_create_gtk (void)
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209 {
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210 REINITIALIZE_CONSOLE_TYPE (gtk);
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211 }
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