ui/gtk/display.c

Wed, 30 Oct 2024 11:07:52 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 30 Oct 2024 11:07:52 +0100
branch
newapi
changeset 373
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parent 358
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permissions
-rw-r--r--

implement windows condvar

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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 "display.h"
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33 #include "container.h"
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34 #include "../common/context.h"
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35 #include "../common/object.h"
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36 #include "../ui/display.h"
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37
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38 #include <cx/printf.h>
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39
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40 static void set_alignment(GtkWidget *widget, float xalign, float yalign) {
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41 #if GTK_MAJOR_VERSION >= 4 || (GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16)
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42 gtk_label_set_xalign(GTK_LABEL(widget), xalign);
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43 gtk_label_set_yalign(GTK_LABEL(widget), yalign);
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44 #else
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45 gtk_misc_set_alignment(GTK_MISC(widget), xalign, yalign);
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46 #endif
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47 }
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48
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49 UIWIDGET ui_label_create(UiObject *obj, UiLabelArgs args) {
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50 UiObject* current = uic_current_obj(obj);
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51
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52 const char *css_class = NULL;
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53 char *markup = NULL;
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54 if(args.label) {
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55 #if GTK_MAJOR_VERSION < 3
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56 switch(args.style) {
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57 case UI_LABEL_STYLE_DEFAULT: break;
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58 case UI_LABEL_STYLE_TITLE: {
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59 cxmutstr m = cx_asprintf("<b>%s</b>", args.label);
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60 markup = m.ptr;
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61 args.label = NULL;
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62 }
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63 case UI_LABEL_STYLE_SUBTITLE: {
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64 break;
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65 }
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66 case UI_LABEL_STYLE_DIM: {
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67 break;
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68 }
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69 }
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70 # else
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71 switch(args.style) {
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72 case UI_LABEL_STYLE_DEFAULT: break;
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73 case UI_LABEL_STYLE_TITLE: {
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74 css_class = "ui_label_title";
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75 break;
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76 }
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77 case UI_LABEL_STYLE_SUBTITLE: {
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78 css_class = "subtitle";
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79 break;
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80 }
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81 case UI_LABEL_STYLE_DIM: {
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82 css_class = "dim-label";
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83 break;
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84 }
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85 }
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86 # endif
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87 }
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89
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90 GtkWidget *widget = gtk_label_new(args.label);
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91 if(markup) {
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92 gtk_label_set_markup(GTK_LABEL(widget), markup);
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93 free(markup);
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94 }
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95
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96 if(css_class) {
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97 WIDGET_ADD_CSS_CLASS(widget, css_class);
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98 }
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99
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100 switch(args.align) {
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101 case UI_ALIGN_DEFAULT: break;
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102 case UI_ALIGN_LEFT: set_alignment(widget, 0, .5); break;
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103 case UI_ALIGN_RIGHT: set_alignment(widget, 1, .5); break;
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104 case UI_ALIGN_CENTER: break; // TODO
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105 }
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108 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING);
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109 if(var) {
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110 UiString* value = (UiString*)var->value;
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111 value->obj = widget;
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112 value->get = ui_label_get;
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113 value->set = ui_label_set;
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114 }
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115
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116 UI_APPLY_LAYOUT1(current, args);
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117 current->container->add(current->container, widget, FALSE);
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118
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119 return widget;
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120 }
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121
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122 UIWIDGET ui_llabel_create(UiObject* obj, UiLabelArgs args) {
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123 args.align = UI_ALIGN_LEFT;
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124 return ui_label_create(obj, args);
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125 }
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126
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127 UIWIDGET ui_rlabel_create(UiObject* obj, UiLabelArgs args) {
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128 args.align = UI_ALIGN_RIGHT;
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129 return ui_label_create(obj, args);
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130 }
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131
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132 char* ui_label_get(UiString *s) {
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133 if(s->value.ptr) {
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134 s->value.free(s->value.ptr);
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135 }
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136 s->value.ptr = g_strdup(gtk_label_get_text(GTK_LABEL(s->obj)));
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137 s->value.free = (ui_freefunc)g_free;
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138 return s->value.ptr;
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139 }
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140
261
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141 void ui_label_set(UiString *s, const char *value) {
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142 gtk_label_set_text(GTK_LABEL(s->obj), value);
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143 if(s->value.ptr) {
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144 s->value.free(s->value.ptr);
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145 s->value.ptr = NULL;
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146 s->value.free = NULL;
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147 }
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148 }
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149
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150 UIWIDGET ui_space_deprecated(UiObject *obj) {
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151 GtkWidget *widget = gtk_label_new("");
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152 UiContainer *ct = uic_get_current_container(obj);
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153 ct->add(ct, widget, TRUE);
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154
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155 return widget;
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156 }
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157
262
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158 UIWIDGET ui_separator_deprecated(UiObject *obj) {
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159 #if GTK_MAJOR_VERSION >= 3
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160 GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
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161 #else
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162 GtkWidget *widget = gtk_hseparator_new();
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163 #endif
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164 UiContainer *ct = uic_get_current_container(obj);
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165 ct->add(ct, widget, FALSE);
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166
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167 return widget;
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168 }
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169
149
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170 /* ------------------------- progress bar ------------------------- */
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171
319
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172 typedef struct UiProgressBarRange {
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173 double min;
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174 double max;
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175 } UiProgressBarRange;
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176
262
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177 UIWIDGET ui_progressbar_create(UiObject *obj, UiProgressbarArgs args) {
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178 UiObject* current = uic_current_obj(obj);
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179
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180 GtkWidget *progressbar = gtk_progress_bar_new();
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181 if(args.max > args.min) {
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182 UiProgressBarRange *range = malloc(sizeof(UiProgressBarRange));
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183 range->min = args.min;
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184 range->max = args.max;
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185 g_signal_connect(
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186 progressbar,
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187 "destroy",
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188 G_CALLBACK(ui_destroy_userdata),
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189 range);
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190 g_object_set_data(G_OBJECT(progressbar), "ui_range", range);
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191 }
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192
262
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193
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194 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_DOUBLE);
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195 if(var && var->value) {
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196 UiDouble *value = var->value;
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197 value->get = ui_progressbar_get;
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198 value->set = ui_progressbar_set;
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199 value->obj = progressbar;
319
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200 ui_progressbar_set(value, value->value);
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201 }
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202
262
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203 UI_APPLY_LAYOUT1(current, args);
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204 current->container->add(current->container, progressbar, FALSE);
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205
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206 return progressbar;
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207 }
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208
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209 double ui_progressbar_get(UiDouble *d) {
319
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210 UiProgressBarRange *range = g_object_get_data(d->obj, "ui_range");
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211 double fraction = gtk_progress_bar_get_fraction(GTK_PROGRESS_BAR(d->obj));
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212 if(range) {
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213 fraction = range->min + (range->max - range->min) * fraction;
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214 }
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215 d->value = fraction;
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216 return d->value;
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217 }
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218
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219 void ui_progressbar_set(UiDouble *d, double value) {
319
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220 d->value = value;
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221 UiProgressBarRange *range = g_object_get_data(d->obj, "ui_range");
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222 if(range) {
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223 value = (value - range->min) / (range->max - range->min);
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224 }
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225 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(d->obj), value);
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226 }
272
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227
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228
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229 /* ------------------------- progress spinner ------------------------- */
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230
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231 UIWIDGET ui_progressspinner_create(UiObject* obj, UiProgressbarSpinnerArgs args) {
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232 UiObject* current = uic_current_obj(obj);
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233
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234 GtkWidget *spinner = gtk_spinner_new();
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235
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236 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_INTEGER);
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237 if(var && var->value) {
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238 UiInteger *value = var->value;
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239 value->get = ui_spinner_get;
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240 value->set = ui_spinner_set;
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241 value->obj = spinner;
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242 ui_spinner_set(value, value->value);
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243 }
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244
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245 UI_APPLY_LAYOUT1(current, args);
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246 current->container->add(current->container, spinner, FALSE);
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247
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248 return spinner;
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249 }
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250
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251 int64_t ui_spinner_get(UiInteger *i) {
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252 return i->value;
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253 }
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254
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255 void ui_spinner_set(UiInteger *i, int64_t value) {
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256 i->value = value;
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257 if(i->obj) {
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258 GtkSpinner *spinner = GTK_SPINNER(i->obj);
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259 if(value != 0) {
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260 gtk_spinner_start(spinner);
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261 } else {
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262 gtk_spinner_stop(spinner);
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263 }
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264 }
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265 }

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