ui/common/types.c

Sun, 15 Feb 2015 15:44:24 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 15 Feb 2015 15:44:24 +0100
changeset 89
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parent 39
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child 116
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permissions
-rw-r--r--

added toolbar (WPF)

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2014 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <stdarg.h>
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32
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33 #include "../../ucx/list.h"
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34 #include "../ui/tree.h"
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35 #include "types.h"
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36 #include "context.h"
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37
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38 UiObserver* ui_observer_new(ui_callback f, void *data) {
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39 UiObserver *observer = malloc(sizeof(UiObserver));
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40 observer->callback = f;
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41 observer->data = data;
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42 observer->next = NULL;
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43 return observer;
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44 }
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45
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46 UiObserver* ui_obsvlist_add(UiObserver *list, UiObserver *observer) {
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47 if(!list) {
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48 return observer;
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49 } else {
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50 UiObserver *l = list;
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51 while(l->next) {
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52 l = l->next;
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53 }
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54 l->next = observer;
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55 return list;
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56 }
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57 }
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58
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59 UiObserver* ui_add_observer(UiObserver *list, ui_callback f, void *data) {
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60 UiObserver *observer = ui_observer_new(f, data);
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61 return ui_obsvlist_add(list, observer);
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62 }
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63
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64 void ui_notify(UiObserver *observer, void *data) {
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65 ui_notify_except(observer, NULL, data);
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66 }
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67
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68 void ui_notify_except(UiObserver *observer, UiObserver *exc, void *data) {
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69 while(observer) {
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70 if(observer != exc) {
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71 UiEvent evt;
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72 evt.obj = NULL;
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73 evt.window = NULL;
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74 evt.document = NULL;
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75 evt.eventdata = data;
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76 evt.intval = 0;
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77 observer->callback(&evt, observer->data);
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78 }
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79 observer = observer->next;
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80 }
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81 }
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82
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83 /* --------------------------- UiList --------------------------- */
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84
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85 UiList* ui_list_new() {
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86 UiList *list = malloc(sizeof(UiList));
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87 list->first = ui_list_first;
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88 list->next = ui_list_next;
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89 list->get = ui_list_get;
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90 list->count = ui_list_count;
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91 list->observers = NULL;
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92
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93 list->data = NULL;
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94 list->iter = NULL;
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95
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96 return list;
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97 }
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98
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99 void ui_list_free(UiList *list) {
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100 ucx_list_free(list->data);
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101 free(list);
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102 }
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103
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104 void* ui_list_first(UiList *list) {
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105 UcxList *elm = list->data;
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106 list->iter = elm;
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107 return elm ? elm->data : NULL;
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108 }
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109
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110 void* ui_list_next(UiList *list) {
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111 UcxList *elm = list->iter;
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112 if(elm) {
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113 elm = elm->next;
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114 if(elm) {
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115 list->iter = elm;
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116 return elm->data;
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117 }
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118 }
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119 return NULL;
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120 }
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121
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122 void* ui_list_get(UiList *list, int i) {
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123 UcxList *elm = ucx_list_get(list->data, i);
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124 if(elm) {
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125 list->iter = elm;
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126 return elm->data;
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127 } else {
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128 return NULL;
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129 }
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130 }
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131
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132 int ui_list_count(UiList *list) {
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133 UcxList *elm = list->data;
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134 return (int)ucx_list_size(elm);
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135 }
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136
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137 void ui_list_append(UiList *list, void *data) {
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138 list->data = ucx_list_append(list->data, data);
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139 }
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140
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141 void ui_list_prepend(UiList *list, void *data) {
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142 list->data = ucx_list_prepend(list->data, data);
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143 }
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144
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145 void ui_list_addobsv(UiList *list, ui_callback f, void *data) {
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146 list->observers = ui_add_observer(list->observers, f, data);
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147 }
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148
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149 void ui_list_notify(UiList *list) {
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150 ui_notify(list->observers, list);
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151 }
39
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152
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153
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154 typedef struct {
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155 int type;
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156 char *name;
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157 } UiColumn;
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158
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159 UiModelInfo* ui_model_info(UiContext *ctx, ...) {
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160 UiModelInfo *info = ui_calloc(ctx, 1, sizeof(UiModelInfo));
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161
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162 va_list ap;
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163 va_start(ap, ctx);
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164
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165 UcxList *cols = NULL;
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166 int type;
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167 while((type = va_arg(ap, int)) != -1) {
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168 char *name = va_arg(ap, char*);
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169
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170 UiColumn *column = malloc(sizeof(UiColumn));
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171 column->type = type;
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172 column->name = name;
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173
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174 cols = ucx_list_append(cols, column);
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175 }
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176
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177 va_end(ap);
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178
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179 size_t len = ucx_list_size(cols);
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180 info->columns = len;
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181 info->types = ui_calloc(ctx, len, sizeof(UiModelType));
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182 info->titles = ui_calloc(ctx, len, sizeof(char*));
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183
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184 int i = 0;
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185 UCX_FOREACH(elm, cols) {
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186 UiColumn *c = elm->data;
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187 info->types[i] = c->type;
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188 info->titles[i] = c->name;
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189 free(c);
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190 i++;
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191 }
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192 ucx_list_free(cols);
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193
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194 return info;
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195 }
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196
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197 void ui_model_info_free(UiContext *ctx, UiModelInfo *mi) {
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198 ucx_mempool_free(ctx->mempool, mi->types);
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199 ucx_mempool_free(ctx->mempool, mi->titles);
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200 ucx_mempool_free(ctx->mempool, mi);
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201 }

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