ui/gtk/entry.c

Tue, 29 Oct 2024 11:51:25 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 29 Oct 2024 11:51:25 +0100
changeset 71
9e19ac687b9f
parent 60
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permissions
-rw-r--r--

fix crash when closing the preferences window (GTK3)

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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
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32 #include "../common/context.h"
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33 #include "../common/object.h"
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34 #include "container.h"
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35 #include "entry.h"
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36
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37
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38 UIWIDGET ui_spinner_create(UiObject *obj, UiSpinnerArgs args) {
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39 double min = 0;
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40 double max = 1000;
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41
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42 UiObject* current = uic_current_obj(obj);
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43
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44 UiVar *var = NULL;
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45 if(args.varname) {
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46 var = uic_get_var(obj->ctx, args.varname);
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47 }
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48
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49 if(!var) {
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50 if(args.intvalue) {
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51 var = uic_widget_var(obj->ctx, current->ctx, args.intvalue, NULL, UI_VAR_INTEGER);
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52 } else if(args.doublevalue) {
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53 var = uic_widget_var(obj->ctx, current->ctx, args.doublevalue, NULL, UI_VAR_DOUBLE);
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54 } else if(args.rangevalue) {
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55 var = uic_widget_var(obj->ctx, current->ctx, args.rangevalue, NULL, UI_VAR_RANGE);
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56 }
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57 }
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58
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59 if(var && var->type == UI_VAR_RANGE) {
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60 UiRange *r = var->value;
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61 min = r->min;
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62 max = r->max;
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63 }
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64 if(args.step == 0) {
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65 args.step = 1;
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66 }
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67 #ifdef UI_GTK2LEGACY
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68 if(min == max) {
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69 max = min + 1;
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70 }
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71 #endif
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72 GtkWidget *spin = gtk_spin_button_new_with_range(min, max, args.step);
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73 ui_set_name_and_style(spin, args.name, args.style_class);
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74 ui_set_widget_groups(obj->ctx, spin, args.groups);
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75 gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), args.digits);
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76 UiObserver **obs = NULL;
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77 if(var) {
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78 double value = 0;
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79 switch(var->type) {
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80 default: break;
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81 case UI_VAR_INTEGER: {
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82 UiInteger *i = var->value;
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83 i->get = ui_spinbutton_getint;
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84 i->set = ui_spinbutton_setint;
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85 i->obj = spin;
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86 value = (double)i->value;
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87 obs = &i->observers;
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88 break;
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89 }
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90 case UI_VAR_DOUBLE: {
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91 UiDouble *d = var->value;
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92 d->get = ui_spinbutton_getdouble;
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93 d->set = ui_spinbutton_setdouble;
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94 d->obj = spin;
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95 value = d->value;
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96 obs = &d->observers;
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97 break;
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98 }
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99 case UI_VAR_RANGE: {
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100 UiRange *r = var->value;
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101 r->get = ui_spinbutton_getrangeval;
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102 r->set = ui_spinbutton_setrangeval;
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103 r->setrange = ui_spinbutton_setrange;
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104 r->setextent = ui_spinbutton_setextent;
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105 r->obj = spin;
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106 value = r->value;
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107 obs = &r->observers;
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108 break;
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109 }
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110 }
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111 gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);
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112 }
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113
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114 UiVarEventData *event = malloc(sizeof(UiVarEventData));
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115 event->obj = obj;
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116 event->var = var;
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117 event->observers = obs;
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118 event->callback = args.onchange;
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119 event->userdata = args.onchangedata;
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120
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121 g_signal_connect(
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122 spin,
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123 "value-changed",
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124 G_CALLBACK(ui_spinner_changed),
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125 event);
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126 g_signal_connect(
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127 spin,
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128 "destroy",
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129 G_CALLBACK(ui_destroy_vardata),
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130 event);
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131
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132 UI_APPLY_LAYOUT1(current, args);
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133 current->container->add(current->container, spin, FALSE);
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134
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135 return spin;
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136 }
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137
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138 void ui_spinner_setrange(UIWIDGET spinner, double min, double max) {
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139 gtk_spin_button_set_range(GTK_SPIN_BUTTON(spinner), min, max);
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140 }
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141
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142 void ui_spinner_setdigits(UIWIDGET spinner, int digits) {
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143 gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinner), digits);
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144 }
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145
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146
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147 void ui_spinner_changed(GtkSpinButton *spinner, UiVarEventData *event) {
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148 gdouble value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinner));
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149 UiEvent e;
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150 e.obj = event->obj;
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151 e.window = event->obj->window;
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152 e.document = event->obj->ctx->document;
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153 e.eventdata = &value;
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154 e.intval = (int64_t)value;
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155
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156 if(event->callback) {
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157 event->callback(&e, event->userdata);
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158 }
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159
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160 if(event->observers) {
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161 UiObserver *observer = *event->observers;
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162 ui_notify_evt(observer, &e);
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163 }
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164 }
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165
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166
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167 int64_t ui_spinbutton_getint(UiInteger *i) {
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168 i->value = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(i->obj));
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169 return i->value;
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170 }
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171
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172 void ui_spinbutton_setint(UiInteger *i, int64_t val) {
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173 gtk_spin_button_set_value(GTK_SPIN_BUTTON(i->obj), (double)val);
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174 i->value = val;
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175 }
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176
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177 double ui_spinbutton_getdouble(UiDouble *d) {
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178 d->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(d->obj));
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179 return d->value;
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180 }
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181
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182 void ui_spinbutton_setdouble(UiDouble *d, double val) {
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183 gtk_spin_button_set_value(GTK_SPIN_BUTTON(d->obj), val);
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184 d->value = val;
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185 }
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186
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187 double ui_spinbutton_getrangeval(UiRange *r) {
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188 r->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(r->obj));
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189 return r->value;
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190 }
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191
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192 void ui_spinbutton_setrangeval(UiRange *r, double val) {
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193 gtk_spin_button_set_value(GTK_SPIN_BUTTON(r->obj), val);
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194 r->value = val;
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195 }
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196 void ui_spinbutton_setrange(UiRange *r, double min, double max) {
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197 gtk_spin_button_set_range(GTK_SPIN_BUTTON(r->obj), min, max);
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198 r->min = min;
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199 r->max = max;
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200 }
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201
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202 void ui_spinbutton_setextent(UiRange *r, double extent) {
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203 gtk_spin_button_set_increments(GTK_SPIN_BUTTON(r->obj), extent, extent*10);
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204 r->extent = extent;
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205 }

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