ui/common/types.c

Sat, 27 Jan 2024 17:50:19 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 27 Jan 2024 17:50:19 +0100
changeset 2
fbdfaacc4182
parent 0
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child 3
f154867f54dc
permissions
-rw-r--r--

update ucx, libidav and add first gui code

0
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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 2017 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 <string.h>
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32 #include <stdarg.h>
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33
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34 #include <cx/list.h>
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35 #include <cx/array_list.h>
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36 #include "../ui/tree.h"
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37 #include "types.h"
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38 #include "context.h"
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39
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40 UiObserver* ui_observer_new(ui_callback f, void *data) {
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41 UiObserver *observer = malloc(sizeof(UiObserver));
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42 observer->callback = f;
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43 observer->data = data;
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44 observer->next = NULL;
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45 return observer;
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46 }
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47
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48 UiObserver* ui_obsvlist_add(UiObserver *list, UiObserver *observer) {
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49 if(!list) {
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50 return observer;
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51 } else {
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52 UiObserver *l = list;
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53 while(l->next) {
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54 l = l->next;
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55 }
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56 l->next = observer;
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57 return list;
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58 }
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59 }
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60
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61 UiObserver* ui_add_observer(UiObserver *list, ui_callback f, void *data) {
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62 UiObserver *observer = ui_observer_new(f, data);
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63 return ui_obsvlist_add(list, observer);
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64 }
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65
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66 void ui_notify(UiObserver *observer, void *data) {
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67 ui_notify_except(observer, NULL, data);
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68 }
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69
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70 void ui_notify_except(UiObserver *observer, UiObserver *exc, void *data) {
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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
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78 while(observer) {
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79 if(observer != exc) {
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80 observer->callback(&evt, observer->data);
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81 }
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82 observer = observer->next;
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83 }
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84 }
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85
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86 void ui_notify_evt(UiObserver *observer, UiEvent *event) {
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87 while(observer) {
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88 observer->callback(event, observer->data);
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89 observer = observer->next;
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90 }
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91 }
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92
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93 /* --------------------------- UiList --------------------------- */
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94
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95 UiList* ui_list_new(UiContext *ctx, char *name) {
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96 UiList *list = malloc(sizeof(UiList));
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97 list->first = ui_list_first;
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98 list->next = ui_list_next;
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99 list->get = ui_list_get;
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100 list->count = ui_list_count;
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101 list->observers = NULL;
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102
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103 list->data = cxArrayListCreate(cxDefaultAllocator, NULL, CX_STORE_POINTERS, 32);
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104 list->iter = NULL;
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105
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106 list->update = NULL;
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107 list->obj = NULL;
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108
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109 if(name) {
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110 uic_reg_var(ctx, name, UI_VAR_LIST, list);
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111 }
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112
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113 return list;
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114 }
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115
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116 void ui_list_free(UiList *list) {
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117 cxListDestroy(list->data);
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118 free(list);
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119 }
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120
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121 void* ui_list_first(UiList *list) {
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122 list->iter = (void*)(intptr_t)0;
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123 return cxListAt(list->data, 0);
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124 }
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125
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126 void* ui_list_next(UiList *list) {
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127 intptr_t iter = (intptr_t)list->iter;
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128 iter++;
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129 void *elm = cxListAt(list->data, iter);
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130 if(elm) {
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131 list->iter = (void*)iter;
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132 }
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133 return elm;
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134 }
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135
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136 void* ui_list_get(UiList *list, int i) {
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137 return cxListAt(list->data, i);
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138 }
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139
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140 int ui_list_count(UiList *list) {
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141 return ((CxList*)list->data)->size;
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142 }
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143
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144 void ui_list_append(UiList *list, void *data) {
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145 cxListAdd(list->data, data);
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146 }
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147
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148 void ui_list_prepend(UiList *list, void *data) {
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149 cxListInsert(list->data, 0, data);
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150 }
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151
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152 void ui_list_clear(UiList *list) {
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153 cxListClear(list->data);
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154 }
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155
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156 void ui_list_addobsv(UiList *list, ui_callback f, void *data) {
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157 list->observers = ui_add_observer(list->observers, f, data);
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158 }
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159
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160 void ui_list_notify(UiList *list) {
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161 ui_notify(list->observers, list);
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162 }
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163
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164
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165 typedef struct {
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166 int type;
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167 char *name;
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168 } UiColumn;
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169
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170 UiModel* ui_model(UiContext *ctx, ...) {
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171 UiModel *info = ui_calloc(ctx, 1, sizeof(UiModel));
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172
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173 va_list ap;
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174 va_start(ap, ctx);
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175
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176 CxList *cols = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(UiColumn), 32);
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177 int type;
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178 while((type = va_arg(ap, int)) != -1) {
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179 char *name = va_arg(ap, char*);
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180
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181 UiColumn column;
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182 column.type = type;
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183 column.name = name;
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184
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185 cxListAdd(cols, &column);
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186 }
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187
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188 va_end(ap);
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189
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190 size_t len = cols->size;
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191 info->columns = len;
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192 info->types = ui_calloc(ctx, len, sizeof(UiModelType));
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193 info->titles = ui_calloc(ctx, len, sizeof(char*));
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194
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195 int i = 0;
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196 CxIterator iter = cxListIterator(cols);
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197 cx_foreach(UiColumn*, c, iter) {
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198 info->types[i] = c->type;
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199 info->titles[i] = c->name;
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200 i++;
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201 }
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202 cxListDestroy(cols);
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203
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204 return info;
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205 }
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206
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207 UiModel* ui_model_copy(UiContext *ctx, UiModel* model) {
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208 const CxAllocator* a = ctx ? ctx->allocator : cxDefaultAllocator;
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209
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210 UiModel* newmodel = cxMalloc(a, sizeof(UiModel));
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211 *newmodel = *model;
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212
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213 newmodel->types = cxCalloc(a, model->columns, sizeof(UiModelType));
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214 memcpy(newmodel->types, model->types, model->columns);
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215
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216 newmodel->titles = cxCalloc(a, model->columns, sizeof(char*));
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217 for (int i = 0; i < model->columns; i++) {
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218 newmodel->titles[i] = model->titles[i] ? cx_strdup_a(a, cx_str(model->titles[i])).ptr : NULL;
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219 }
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220
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221 return newmodel;
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222 }
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223
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224 void ui_model_free(UiContext *ctx, UiModel *mi) {
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225 const CxAllocator* a = ctx ? ctx->allocator : cxDefaultAllocator;
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226 cxFree(a, mi->types);
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227 cxFree(a, mi->titles);
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228 cxFree(a, mi);
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229 }
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230
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231 // types
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232
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233 // public functions
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234 UiInteger* ui_int_new(UiContext *ctx, char *name) {
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235 UiInteger *i = ui_malloc(ctx, sizeof(UiInteger));
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236 memset(i, 0, sizeof(UiInteger));
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237 if(name) {
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238 uic_reg_var(ctx, name, UI_VAR_INTEGER, i);
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239 }
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240 return i;
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241 }
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242
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243 UiDouble* ui_double_new(UiContext *ctx, char *name) {
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244 UiDouble *d = ui_malloc(ctx, sizeof(UiDouble));
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245 memset(d, 0, sizeof(UiDouble));
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246 if(name) {
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247 uic_reg_var(ctx, name, UI_VAR_DOUBLE, d);
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248 }
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249 return d;
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250 }
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251
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252 UiString* ui_string_new(UiContext *ctx, char *name) {
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253 UiString *s = ui_malloc(ctx, sizeof(UiString));
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254 memset(s, 0, sizeof(UiString));
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255 if(name) {
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256 uic_reg_var(ctx, name, UI_VAR_STRING, s);
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257 }
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258 return s;
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259 }
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260
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261 UiText* ui_text_new(UiContext *ctx, char *name) {
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262 UiText *t = ui_malloc(ctx, sizeof(UiText));
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263 memset(t, 0, sizeof(UiText));
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264 if(name) {
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265 uic_reg_var(ctx, name, UI_VAR_TEXT, t);
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266 }
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267 return t;
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268 }
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269
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270 UiRange* ui_range_new(UiContext *ctx, char *name) {
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271 UiRange *r = ui_malloc(ctx, sizeof(UiRange));
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272 memset(r, 0, sizeof(UiRange));
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273 if(name) {
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274 uic_reg_var(ctx, name, UI_VAR_RANGE, r);
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275 }
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276 return r;
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277 }
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278
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279
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280 // private functions
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281 void uic_int_copy(UiInteger *from, UiInteger *to) {
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282 to->get = from->get;
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283 to->set = from->set;
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284 to->obj = from->obj;
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285 }
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286
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287 void uic_double_copy(UiDouble *from, UiDouble *to) {
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288 to->get = from->get;
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289 to->set = from->set;
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290 to->obj = from->obj;
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291 }
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292
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293 void uic_string_copy(UiString *from, UiString *to) {
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294 to->get = from->get;
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295 to->set = from->set;
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296 to->obj = from->obj;
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297 }
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298
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299 void uic_text_copy(UiText *from, UiText *to) {
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300 to->get = from->get;
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301 to->set = from->set;
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302 to->getsubstr = from->getsubstr;
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303 to->insert = from->insert;
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304 to->setposition = from->setposition;
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305 to->position = from->position;
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306 to->selection = from->selection;
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307 to->length = from->length;
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308 to->remove = from->remove;
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309
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310 to->obj = from->obj;
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311 // do not copy the undo manager
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312 }
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313
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314 void uic_range_copy(UiRange *from, UiRange *to) {
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315 to->get = from->get;
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316 to->set = from->set;
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317 to->setrange = from->setrange;
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318 to->setextent = from->setextent;
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319 to->obj = from->obj;
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320 }
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321
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322 void uic_list_copy(UiList *from, UiList *to) {
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323 to->update = from->update;
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324 to->obj = from->obj;
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325 }
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326
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327
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328 void uic_int_save(UiInteger *i) {
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329 if(!i->obj) return;
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330 i->value = i->get(i);
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331 }
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332
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333 void uic_double_save(UiDouble *d) {
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334 if(!d->obj) return;
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335 d->value = d->get(d);
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336 }
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337
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338 void uic_string_save(UiString *s) {
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339 if(!s->obj) return;
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340 s->get(s);
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341 }
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342
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343 void uic_text_save(UiText *t) {
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344 if(!t->obj) return;
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345 t->get(t);
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346 t->position(t);
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347 }
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348
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349 void uic_range_save(UiRange *r) {
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350 if(!r->obj) return;
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351 r->get(r);
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352 }
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353
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354
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355 void uic_int_unbind(UiInteger *i) {
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356 i->get = NULL;
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357 i->set = NULL;
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358 i->obj = NULL;
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359 }
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360
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361 void uic_double_unbind(UiDouble *d) {
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362 d->get = NULL;
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363 d->set = NULL;
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364 d->obj = NULL;
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365 }
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366
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367 void uic_string_unbind(UiString *s) {
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368 s->get = NULL;
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369 s->set = NULL;
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370 s->obj = NULL;
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371 }
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372
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373 void uic_text_unbind(UiText *t) {
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374 t->set = NULL;
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375 t->get = NULL;
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376 t->getsubstr = NULL;
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377 t->insert = NULL;
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378 t->setposition = NULL;
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379 t->position = NULL;
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380 t->selection = NULL;
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381 t->length = NULL;
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382 t->remove = NULL;
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383 t->obj = NULL;
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384 t->undomgr = NULL;
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385 }
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386
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387 void uic_range_unbind(UiRange *r) {
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388 r->get = NULL;
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389 r->set = NULL;
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390 r->setextent = NULL;
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391 r->setrange = NULL;
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392 r->obj = NULL;
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393 }
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394
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395 void uic_list_unbind(UiList *l) {
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396 l->update = NULL;
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397 l->obj = NULL;
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398 }

mercurial