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70
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1 /* Various functions for X11R5+ input methods, using the Motif XmIm* functions.
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2 input-method-xlib.c provides a lower-level implementation.
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3 Copyright (C) 1996 Sun Microsystems.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Written by Martin Buchholz. */
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25
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26 #include <X11/Xlocale.h> /* More portable than <locale.h> ? */
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27 #include <config.h>
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28 #include "lisp.h"
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29 #include "console-x.h"
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30 #include "device.h"
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31 #include "frame.h"
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32 #include "EmacsFrame.h"
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33 #include <Xm/Xm.h>
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34
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35 #ifndef XIM_MOTIF
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36 #error XIM_MOTIF is not defined??
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37 #endif
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38
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39 void
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40 Initialize_Locale (void)
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41 {
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42 char *locale;
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43
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44 XtSetLanguageProc (NULL, (XtLanguageProc) NULL, NULL);
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45 if ((locale = setlocale (LC_ALL, "")) == NULL)
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46 {
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47 stderr_out ("Can't set locale.\n");
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48 stderr_out ("Using C locale instead.\n");
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49 putenv ("LANG=C");
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50 putenv ("LC_ALL=C");
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51 if ((locale = setlocale (LC_ALL, "C")) == NULL)
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52 {
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53 stderr_out ("Can't even set locale to `C'!\n");
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54 return;
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55 }
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56 }
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57
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58 if (!XSupportsLocale ())
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59 {
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60 stderr_out ("X Windows does not support locale `%s'\n", locale);
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61 stderr_out ("Using C Locale instead\n");
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62 putenv ("LANG=C");
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63 putenv ("LC_ALL=C");
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64 if ((locale = setlocale (LC_ALL, "C")) == NULL)
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65 {
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66 stderr_out ("Can't even set locale to `C'!\n");
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67 return;
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68 }
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69 if (!XSupportsLocale ())
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70 {
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71 stderr_out ("X Windows does not even support locale `C'!\n");
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72 return;
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73 }
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74 }
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75
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76 if (XSetLocaleModifiers ("") == NULL)
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77 {
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78 stderr_out ("XSetLocaleModifiers(\"\") failed\n");
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79 stderr_out ("Check the value of the XMODIFIERS environment variable.\n");
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80 }
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81 }
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82
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83 /* Create X input method for device */
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84 void
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85 XIM_init_device (struct device *d)
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86 {
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87 /* Nothing to do */
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88 }
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89
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90 void
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91 XIM_init_frame (struct frame *f)
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92 {
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93 struct device *d = XDEVICE (FRAME_DEVICE (f));
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94 Widget w = FRAME_X_TEXT_WIDGET (f);
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95 XPoint spot = {0,0};
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96 XFontSet fontset;
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97 XmFontList fontlist;
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98 XmFontListEntry fontlistEntry;
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99
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100 typedef struct
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101 {
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102 XFontSet fontset;
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103 Pixel fg;
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104 Pixel bg;
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105 } xim_resources_t;
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106
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107 xim_resources_t xim_resources;
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108
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109 /* mrb: #### Fix so that background and foreground is set from
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110 default face, rather than foreground and background resources, or
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111 that the user can use set-frame-parameters to set xic attributes */
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112
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113 #define res(name, class, representation, field, default_value) \
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114 { name, class, representation, sizeof(xim_resources.field), \
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115 XtOffsetOf(xim_resources_t, field), XtRString, default_value }
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116
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117 static XtResource resources[] =
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118 {
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119 /* name class represent'n field default value */
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120 res(XtNfontSet, XtCFontSet, XtRFontSet, fontset, XtDefaultFontSet),
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121 res(XtNximForeground, XtCForeground, XtRPixel, fg, XtDefaultForeground),
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122 res(XtNximBackground, XtCBackground, XtRPixel, bg, XtDefaultBackground)
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123 };
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124
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125 XtGetApplicationResources (w, &xim_resources,
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126 resources, XtNumber (resources),
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127 NULL, 0);
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128
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129 if (! xim_resources.fontset)
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130 {
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131 stderr_out ("Can't get fontset resource for Input Method\n");
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132 return;
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133 }
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134
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135 fontlistEntry = XmFontListEntryCreate(XmFONTLIST_DEFAULT_TAG,
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136 XmFONT_IS_FONTSET,
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149
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137 (XtPointer) xim_resources.fontset);
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70
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138 fontlist = XmFontListAppendEntry (NULL, fontlistEntry);
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139 XmImRegister (w, 0);
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110
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140 XmImVaSetValues (w,
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141 XmNfontList, fontlist,
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142 XmNforeground, xim_resources.fg,
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143 XmNbackground, xim_resources.bg,
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144 XmNspotLocation, &spot,
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145 /* XmNlineSpace, 0, */
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146 NULL);
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70
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147
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148 XmFontListEntryFree (&fontlistEntry);
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149 }
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150
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151 void
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152 XIM_SetGeometry (struct frame *f)
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153 {
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154 }
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155
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156 void
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157 XIM_SetSpotLocation (struct frame *f, int x, int y)
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158 {
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159 /* ### FIX: Must make sure spot fits within Preedit Area */
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160 XPoint *spot = &(FRAME_X_XIC_SPOT (f));
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161 if (spot->x == (short) x &&
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162 spot->y == (short) y)
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163 return;
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164
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165 spot->x = (short) x;
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166 spot->y = (short) y;
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167
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168 XmImVaSetValues (FRAME_X_TEXT_WIDGET (f), XmNspotLocation, spot, NULL);
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169 }
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170
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171 void
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172 XIM_focus_event (struct frame *f, int in_p)
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173 {
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174 if (in_p)
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175 XmImVaSetFocusValues (FRAME_X_TEXT_WIDGET (f), NULL);
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176 else
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177 XmImUnsetFocus (FRAME_X_TEXT_WIDGET (f));
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178 }
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179
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180 void
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181 vars_of_input_method_motif (void)
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182 {
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183 Fprovide (intern ("xim"));
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184 }
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