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462
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1 GtkType GTK_TYPE_ARRAY = 0;
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2 GtkType GTK_TYPE_STRING_ARRAY = 0;
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3 GtkType GTK_TYPE_FLOAT_ARRAY = 0;
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4 GtkType GTK_TYPE_INT_ARRAY = 0;
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5 GtkType GTK_TYPE_LISTOF = 0;
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6 GtkType GTK_TYPE_STRING_LIST = 0;
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7 GtkType GTK_TYPE_OBJECT_LIST = 0;
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8 GtkType GTK_TYPE_GDK_GC = 0;
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9
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10 static GtkType
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11 xemacs_type_register (gchar *name, GtkType parent)
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12 {
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13 GtkType type_id;
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14 GtkTypeInfo info;
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15
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16 info.type_name = name;
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17 info.object_size = 0;
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18 info.class_size = 0;
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19 info.class_init_func = NULL;
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20 info.object_init_func = NULL;
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21 info.reserved_1 = NULL;
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22 info.reserved_2 = NULL;
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23
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24 type_id = gtk_type_unique (parent, &info);
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25
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26 return (type_id);
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27 }
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28
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29 static void
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30 xemacs_init_gtk_classes (void)
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31 {
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32 if (!GTK_TYPE_ARRAY)
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33 {
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34 GTK_TYPE_ARRAY = xemacs_type_register ("GtkArrayOf", 0);
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35 GTK_TYPE_STRING_ARRAY = xemacs_type_register ("GtkArrayOfString", GTK_TYPE_ARRAY);
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36 GTK_TYPE_FLOAT_ARRAY = xemacs_type_register ("GtkArrayOfFloat", GTK_TYPE_ARRAY);
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37 GTK_TYPE_INT_ARRAY = xemacs_type_register ("GtkArrayOfInteger", GTK_TYPE_ARRAY);
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38 GTK_TYPE_LISTOF = xemacs_type_register ("GtkListOf", 0);
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39 GTK_TYPE_STRING_LIST = xemacs_type_register ("GtkListOfString", GTK_TYPE_LISTOF);
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40 GTK_TYPE_OBJECT_LIST = xemacs_type_register ("GtkListOfObject", GTK_TYPE_LISTOF);
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41 GTK_TYPE_GDK_GC = xemacs_type_register ("GdkGC", GTK_TYPE_BOXED);
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42 }
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43 }
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44
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45 static void
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46 xemacs_list_to_gtklist (Lisp_Object obj, GtkArg *arg)
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47 {
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48 CHECK_LIST (obj);
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49
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50 if (arg->type == GTK_TYPE_STRING_LIST)
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51 {
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52 Lisp_Object temp = obj;
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53 GList *strings = NULL;
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54
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55 while (!NILP (temp))
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56 {
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57 CHECK_STRING (XCAR (temp));
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58 temp = XCDR (temp);
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59 }
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60
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61 temp = obj;
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62
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63 while (!NILP (temp))
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64 {
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65 strings = g_list_append (strings, XSTRING_DATA (XCAR (temp)));
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66 temp = XCDR (temp);
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67 }
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68
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69 GTK_VALUE_POINTER(*arg) = strings;
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70 }
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71 else if (arg->type == GTK_TYPE_OBJECT_LIST)
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72 {
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73 Lisp_Object temp = obj;
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74 GList *objects = NULL;
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75
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76 while (!NILP (temp))
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77 {
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78 CHECK_GTK_OBJECT (XCAR (temp));
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79 temp = XCDR (temp);
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80 }
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81
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82 temp = obj;
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83
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84 while (!NILP (temp))
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85 {
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86 objects = g_list_append (objects, XGTK_OBJECT (XCAR (temp))->object);
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87 temp = XCDR (temp);
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88 }
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89
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90 GTK_VALUE_POINTER(*arg) = objects;
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91 }
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92 else
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93 {
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94 abort();
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95 }
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96 }
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97
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98 static void
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99 __make_gtk_object_mapper (gpointer data, gpointer user_data)
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100 {
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101 Lisp_Object *rv = (Lisp_Object *) user_data;
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102
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103 *rv = Fcons (build_gtk_object (GTK_OBJECT (data)), *rv);
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104 }
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105
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106 static void
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107 __make_string_mapper (gpointer data, gpointer user_data)
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108 {
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109 Lisp_Object *rv = (Lisp_Object *) user_data;
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110
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111 *rv = Fcons (build_string ((char *)data), *rv);
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112 }
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113
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114 static Lisp_Object
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115 xemacs_gtklist_to_list (GtkArg *arg)
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116 {
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117 Lisp_Object rval = Qnil;
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118
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119 if (GTK_VALUE_POINTER (*arg))
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120 {
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121 if (arg->type == GTK_TYPE_STRING_LIST)
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122 {
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123 g_list_foreach (GTK_VALUE_POINTER (*arg), __make_string_mapper, &rval);
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124 }
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125 else if (arg->type == GTK_TYPE_OBJECT_LIST)
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126 {
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127 g_list_foreach (GTK_VALUE_POINTER (*arg), __make_gtk_object_mapper, &rval);
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128 }
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129 else
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130 {
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131 abort();
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132 }
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133 }
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134 return (rval);
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135 }
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136
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137 static void
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138 xemacs_list_to_array (Lisp_Object obj, GtkArg *arg)
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139 {
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140 CHECK_LIST (obj);
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141
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142 #define FROB(ret_type,check_fn,extract_fn) \
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143 do { \
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144 Lisp_Object temp = obj; \
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145 int length = 0; \
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146 ret_type *array = NULL; \
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147 \
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148 while (!NILP (temp)) \
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149 { \
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150 check_fn (XCAR (temp)); \
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151 length++; \
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152 temp = XCDR (temp); \
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153 } \
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154 \
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155 array = xnew_array_and_zero (ret_type, length + 2); \
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156 temp = obj; \
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157 length = 0; \
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158 \
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159 while (!NILP (temp)) \
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160 { \
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161 array[length++] = extract_fn (XCAR (temp)); \
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162 temp = XCDR (temp); \
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163 } \
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164 \
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165 GTK_VALUE_POINTER(*arg) = array; \
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166 } while (0);
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167
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168 if (arg->type == GTK_TYPE_STRING_ARRAY)
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169 {
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170 FROB(gchar *, CHECK_STRING, XSTRING_DATA);
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171 }
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172 else if (arg->type == GTK_TYPE_FLOAT_ARRAY)
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173 {
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174 FROB(gfloat, CHECK_FLOAT, extract_float);
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175 }
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176 else if (arg->type == GTK_TYPE_INT_ARRAY)
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177 {
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178 FROB(gint, CHECK_INT, XINT);
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179 }
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180 else
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181 {
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182 abort();
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183 }
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184 #undef FROB
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185 }
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186
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187 extern GdkGC *gtk_get_gc (struct device *d, Lisp_Object font, Lisp_Object fg, Lisp_Object bg,
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188 Lisp_Object bg_pmap, Lisp_Object lwidth);
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189
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190 static GdkGC *
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191 face_to_gc (Lisp_Object face)
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192 {
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193 Lisp_Object device = Fselected_device (Qnil);
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194
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195 return (gtk_get_gc (XDEVICE (device),
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196 Fspecifier_instance (Fget (face, Qfont, Qnil), device, Qnil, Qnil),
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197 Fspecifier_instance (Fget (face, Qforeground, Qnil), device, Qnil, Qnil),
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198 Fspecifier_instance (Fget (face, Qbackground, Qnil), device, Qnil, Qnil),
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199 Fspecifier_instance (Fget (face, Qbackground_pixmap, Qnil), device, Qnil, Qnil),
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200 Qnil));
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201 }
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202
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203 static GtkStyle *
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204 face_to_style (Lisp_Object face)
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205 {
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206 Lisp_Object device = Fselected_device (Qnil);
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207 GtkStyle *style = gtk_style_new ();
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208 int i;
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209
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210 Lisp_Object font = Fspecifier_instance (Fget (face, Qfont, Qnil), device, Qnil, Qnil);
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211 Lisp_Object fg = Fspecifier_instance (Fget (face, Qforeground, Qnil), device, Qnil, Qnil);
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212 Lisp_Object bg = Fspecifier_instance (Fget (face, Qbackground, Qnil), device, Qnil, Qnil);
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213 Lisp_Object pm = Fspecifier_instance (Fget (face, Qbackground_pixmap, Qnil), device, Qnil, Qnil);
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214
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215 for (i = 0; i < 5; i++) style->fg[i] = * COLOR_INSTANCE_GTK_COLOR (XCOLOR_INSTANCE (fg));
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216 for (i = 0; i < 5; i++) style->bg[i] = * COLOR_INSTANCE_GTK_COLOR (XCOLOR_INSTANCE (bg));
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217
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218 if (IMAGE_INSTANCEP (pm))
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219 {
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220 for (i = 0; i < 5; i++) style->bg_pixmap[i] = XIMAGE_INSTANCE_GTK_PIXMAP (pm);
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221 }
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222
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223 style->font = FONT_INSTANCE_GTK_FONT (XFONT_INSTANCE (font));
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224
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225 return (style);
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226 }
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227
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228 static Lisp_Object
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229 gdk_event_to_emacs_event(GdkEvent *ev)
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230 {
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231 Lisp_Object emacs_event = Qnil;
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232
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233 if (ev)
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234 {
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235 emacs_event = Fmake_event (Qnil, Qnil);
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236 if (!gtk_event_to_emacs_event (NULL, ev, XEVENT (emacs_event)))
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237 {
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238 /* We need to handle a few more cases than the normal event
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239 ** loop does. Mainly the double/triple click events.
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240 */
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241 if ((ev->type == GDK_2BUTTON_PRESS) || (ev->type == GDK_3BUTTON_PRESS))
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242 {
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243 struct Lisp_Event *le = XEVENT (emacs_event);
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244
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245 le->event_type = misc_user_event;
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246 le->event.misc.button = ev->button.button;
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247 le->event.misc.modifiers = 0;
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248 le->event.misc.x = ev->button.x;
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249 le->event.misc.y = ev->button.y;
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250 if (ev->type == GDK_2BUTTON_PRESS)
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251 le->event.misc.function = intern ("double-click");
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252 else
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253 le->event.misc.function = intern ("triple-click");
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254 }
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255 else
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256 {
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257 Fdeallocate_event (emacs_event);
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258 emacs_event = Qnil;
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259 }
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260 }
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261 }
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262 return (emacs_event);
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263 }
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