ui/motif/button.c

Tue, 17 Oct 2023 21:00:48 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 17 Oct 2023 21:00:48 +0200
branch
newapi
changeset 219
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parent 176
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permissions
-rw-r--r--

add label (WinUI3)

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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
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32 #include "button.h"
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33 #include "container.h"
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34 #include "../common/context.h"
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35 #include <cx/mempool.h>
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36
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37 #include <cx/linked_list.h>
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38 #include <cx/array_list.h>
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39 #include <cx/compare.h>
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40
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41
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42 UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) {
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43 UiContainer *ct = uic_get_current_container(obj);
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44 XmString str = XmStringCreateLocalized(label);
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45
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46 int n = 0;
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47 Arg args[16];
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48
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49 XtSetArg(args[n], XmNlabelString, str);
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50 n++;
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51
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52 Widget parent = ct->prepare(ct, args, &n, FALSE);
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53 Widget button = XmCreatePushButton(parent, "button", args, n);
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54 ct->add(ct, button);
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55
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56 if(f) {
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57 UiEventData *event = cxMalloc(
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58 obj->ctx->allocator,
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59 sizeof(UiEventData));
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60 event->obj = obj;
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61 event->userdata = data;
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62 event->callback = f;
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63 event->value = 0;
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64 XtAddCallback(
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65 button,
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66 XmNactivateCallback,
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67 (XtCallbackProc)ui_push_button_callback,
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68 event);
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69 }
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70
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71 XtManageChild(button);
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72
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73 return button;
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74 }
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75
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76 // wrapper
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77 int64_t ui_toggle_button_get(UiInteger *i) {
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78 int state = 0;
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79 XtVaGetValues(i->obj, XmNset, &state, NULL);
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80 i->value = state;
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81 return state;
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82 }
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83
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84 void ui_toggle_button_set(UiInteger *i, int64_t value) {
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85 Arg arg;
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86 XtSetArg(arg, XmNset, value);
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87 XtSetValues(i->obj, &arg, 1);
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88 i->value = value;
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89 }
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90
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91 void ui_toggle_button_callback(
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92 Widget widget,
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93 UiEventData *event,
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94 XmToggleButtonCallbackStruct *tb)
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95 {
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96 UiEvent e;
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97 e.obj = event->obj;
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98 e.window = event->obj->window;
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99 // TODO: e.document
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100 e.intval = tb->set;
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101 event->callback(&e, event->userdata);
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102 }
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103
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104 void ui_push_button_callback(Widget widget, UiEventData *event, XtPointer d) {
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105 UiEvent e;
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106 e.obj = event->obj;
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107 e.window = event->obj->window;
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108 e.document = event->obj->ctx->document;
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109 e.intval = event->value;
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110 event->callback(&e, event->userdata);
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111 }
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112
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113
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114 static void radio_callback(
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115 Widget widget,
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116 RadioEventData *event,
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117 XmToggleButtonCallbackStruct *tb)
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118 {
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119 if(tb->set) {
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120 RadioButtonGroup *group = event->group;
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121 if(group->current) {
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122 Arg arg;
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123 XtSetArg(arg, XmNset, FALSE);
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124 XtSetValues(group->current, &arg, 1);
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125 }
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126 group->current = widget;
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127 }
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128 }
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129
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130 UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup) {
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131 UiContainer *ct = uic_get_current_container(obj);
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132 XmString str = XmStringCreateLocalized(label);
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133
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134 int n = 0;
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135 Arg args[16];
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136
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137 XtSetArg(args[n], XmNlabelString, str);
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138 n++;
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139 XtSetArg(args[n], XmNindicatorType, XmONE_OF_MANY_ROUND);
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140 n++;
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141
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142 Widget parent = ct->prepare(ct, args, &n, FALSE);
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143 Widget button = XmCreateToggleButton(parent, "radiobutton", args, n);
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144 ct->add(ct, button);
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145
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146 if(rgroup) {
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147 RadioButtonGroup *group;
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148 if(rgroup->obj) {
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149 group = rgroup->obj;
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150 if(!group->buttons) {
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151 group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8);
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152 }
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153 cxListAdd(group->buttons, button);
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154 group->ref++;
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155 } else {
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156 group = malloc(sizeof(RadioButtonGroup));
176
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157 group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8);
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158 cxListAdd(group->buttons, button);
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159 group->current = button;
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160 // this is the first button in the radiobutton group
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161 // so we should enable it
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162 Arg arg;
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163 XtSetArg(arg, XmNset, TRUE);
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164 XtSetValues(button, &arg, 1);
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165 rgroup->obj = group;
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166
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167 group->current = button;
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168 }
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169
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170 RadioEventData *event = malloc(sizeof(RadioEventData));
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171 event->obj = obj;
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172 event->callback = NULL;
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173 event->userdata = NULL;
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174 event->group = group;
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175 XtAddCallback(
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176 button,
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177 XmNvalueChangedCallback,
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178 (XtCallbackProc)radio_callback,
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179 event);
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180
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181 rgroup->get = ui_radiobutton_get;
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182 rgroup->set = ui_radiobutton_set;
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183 }
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184
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185 XtManageChild(button);
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186 return button;
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187 }
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188
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189 int64_t ui_radiobutton_get(UiInteger *value) {
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190 RadioButtonGroup *group = value->obj;
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191
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192 int i = cxListFind(group->buttons, group->current);
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193 if (i >= 0) {
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194 value->value = i;
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195 return i;
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196 } else {
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197 return 0;
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198 }
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199 }
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200
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201 void ui_radiobutton_set(UiInteger *value, int64_t i) {
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202 RadioButtonGroup *group = value->obj;
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203 Arg arg;
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204
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205 XtSetArg(arg, XmNset, FALSE);
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206 XtSetValues(group->current, &arg, 1);
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207
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208 Widget button = cxListAt(group->buttons, i);
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209 if(button) {
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210 XtSetArg(arg, XmNset, TRUE);
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211 XtSetValues(button, &arg, 1);
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212 group->current = button;
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213 }
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214 }

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