ui/qt/text.cpp

Wed, 21 Jan 2015 20:38:21 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 21 Jan 2015 20:38:21 +0100
changeset 77
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parent 70
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child 130
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permissions
-rw-r--r--

fixed memory allocation bug

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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 "text.h"
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30 #include "container.h"
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31
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32 #include "../common/context.h"
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33 #include "../common/document.h"
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34
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35 UIWIDGET ui_textarea(UiObject *obj, UiText *value) {
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36 QTextDocument *txtdoc = value && value->obj ? (QTextDocument*)value->obj : new QTextDocument();
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37
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38 if(value) {
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39 if(value->value && value->obj) {
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40 QString str = QString::fromUtf8(value->value);
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41 txtdoc->setPlainText(str);
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42 }
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43
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44 value->get = ui_textarea_get;
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45 value->set = ui_textarea_set;
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46 value->getsubstr = ui_textarea_getsubstr;
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47 value->insert = ui_textarea_insert;
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48 value->position = ui_textarea_position;
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49 value->selection = ui_textarea_selection;
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50 value->length = ui_textarea_length;
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51 value->remove = ui_textarea_remove;
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52 value->obj = txtdoc;
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53 value->value = NULL;
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54 }
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55
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56 UiContainer *ct = uic_get_current_container(obj);
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57 QTextEdit *textedit = new QTextEdit();
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58 textedit->setDocument(txtdoc);
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59 ct->add(textedit, true);
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60
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61 return textedit;
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62 }
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63
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64 UIWIDGET ui_textarea_nv(UiObject *obj, char *varname) {
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65 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_TEXT);
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66 if(var) {
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67 UiText *value = (UiText*)var->value;
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68 return ui_textarea(obj, value);
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69 } else {
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70 // TODO: error
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71 }
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72 return NULL;
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73 }
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75
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76 char* ui_textarea_get(UiText *text) {
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77 if(text->value) {
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78 free(text->value);
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79 }
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80
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81 QTextDocument *doc = (QTextDocument*)text->obj;
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82 QString str = doc->toPlainText();
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83 QByteArray array = str.toLocal8Bit();
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84 const char *cstr = array.constData();
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85
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86 if(text->value) {
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87 free(text->value);
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88 }
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89 text->value = strdup(cstr);
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90 return text->value;
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91 }
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92
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93 void ui_textarea_set(UiText *text, char *str) {
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94 // set text
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95 QTextDocument *doc = (QTextDocument*)text->obj;
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96 QString qstr = QString::fromUtf8(str);
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97 doc->setPlainText(qstr);
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98 // cleanup
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99 if(text->value) {
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100 free(text->value);
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101 }
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102 text->value = NULL;
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103 }
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104
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105 char* ui_textarea_getsubstr(UiText *text, int begin, int end) {
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106 QTextDocument *doc = (QTextDocument*)text->obj;
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107 return NULL; // TODO
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108 }
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109
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110 void ui_textarea_insert(UiText *text, int pos, char *str) {
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111 QTextDocument *doc = (QTextDocument*)text->obj;
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112 }
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113
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114 int ui_textarea_position(UiText *text) {
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115 QTextDocument *doc = (QTextDocument*)text->obj;
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116 return 0; // TODO
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117 }
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118
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119 void ui_textarea_selection(UiText *text, int *begin, int *end) {
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120 QTextDocument *doc = (QTextDocument*)text->obj;
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121 }
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122
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123 int ui_textarea_length(UiText *text) {
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124 QTextDocument *doc = (QTextDocument*)text->obj;
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125 return 0; // TODO
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126 }
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127
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128 void ui_textarea_remove(UiText *text, int begin, int end) {
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129 QTextDocument *doc = (QTextDocument*)text->obj;
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130 }
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131
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132
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133 /* ------------------- TextField ------------------- */
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134
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135 UIWIDGET ui_textfield(UiObject *obj, UiString *value) {
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136 QLineEdit *textfield = new QLineEdit();
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137
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138 UiContainer *ct = uic_get_current_container(obj);
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139 ct->add(textfield, false);
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140
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141 if(value) {
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142 if(value->value) {
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143 QString str = QString::fromUtf8(value->value);
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144 textfield->setText(str);
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145 free(value->value);
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146 value->value = NULL;
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147 }
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148 value->set = ui_textfield_set;
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149 value->get = ui_textfield_get;
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150 value->obj = textfield;
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151 }
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152
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153 return textfield;
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154 }
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155
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156 UIWIDGET ui_textfield_nv(UiObject *obj, char *varname) {
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157 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_STRING);
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158 if(var) {
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159 UiString *value = (UiString*)var->value;
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160 return ui_textfield(obj, value);
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161 } else {
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162 // TODO: error
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163 }
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164 return NULL;
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165 }
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166
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167 char* ui_textfield_get(UiString *str) {
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168 QLineEdit *textfield = (QLineEdit*)str->obj;
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169 QString qstr = textfield->text();
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170
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171 if(str->value) {
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172 free(str->value);
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173 }
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174 QByteArray array = qstr.toLocal8Bit();
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175 const char *cstr = array.constData();
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176 str->value = strdup(cstr);
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177
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178 return str->value;
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179 }
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180
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181 void ui_textfield_set(UiString *str, char *value) {
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182 QLineEdit *textfield = (QLineEdit*)str->obj;
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183 QString qstr = QString::fromUtf8(value);
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184 textfield->setText(qstr);
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185
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186 if(str->value) {
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187 free(str->value);
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188 }
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189 str->value = NULL;
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190 }

mercurial