ui/qt/container.cpp

Sun, 16 Jun 2024 11:36:27 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 16 Jun 2024 11:36:27 +0200
changeset 42
9af327d0e0e4
parent 0
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permissions
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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 "container.h"
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31
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32 #include <QSpacerItem>
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33 #include <QStackedWidget>
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34
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35
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36 /* -------------------- UiBoxContainer -------------------- */
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37
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38 UiBoxContainer::UiBoxContainer(QBoxLayout* box) {
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39 this->current = NULL;
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40 this->menu = NULL;
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41 this->box = box;
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42 box->setContentsMargins(QMargins(0,0,0,0));
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43 box->setSpacing(0);
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44
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45 ui_reset_layout(layout);
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46 }
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47
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48 void UiBoxContainer::add(QWidget* widget, bool fill) {
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49 if(layout.fill != UI_LAYOUT_UNDEFINED) {
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50 fill = ui_lb2bool(layout.fill);
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51 }
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52
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53 if(hasStretchedWidget && fill) {
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54 fill = false;
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55 fprintf(stderr, "UiError: container has 2 filled widgets");
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56 }
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57
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58 box->addWidget(widget, fill);
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59
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60 if(!hasStretchedWidget) {
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61 QSpacerItem *newspace = new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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62 box->removeItem(space);
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63 box->addSpacerItem(newspace);
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64 space = newspace;
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65 }
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66
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67 if(fill) {
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68 hasStretchedWidget = true;
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69 }
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70 ui_reset_layout(layout);
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71 current = widget;
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72 }
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73
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74 UIWIDGET ui_box(UiObject *obj, QBoxLayout::Direction dir) {
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75 UiContainer *ct = uic_get_current_container(obj);
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76 QWidget *widget = new QWidget();
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77 QBoxLayout *box = new QBoxLayout(dir);
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78 widget->setLayout(box);
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79 ct->add(widget, true);
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80
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81 UiObject *newobj = uic_object_new(obj, widget);
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82 newobj->container = new UiBoxContainer(box);
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83 uic_obj_add(obj, newobj);
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84
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85 return widget;
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86 }
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87
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88 UIWIDGET ui_vbox(UiObject *obj) {
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89 return ui_box(obj, QBoxLayout::TopToBottom);
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90 }
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91
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92 UIWIDGET ui_hbox(UiObject *obj) {
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93 return ui_box(obj, QBoxLayout::LeftToRight);
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94 }
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95
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96
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97
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98 /* -------------------- UiGridContainer -------------------- */
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99
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100 UiGridContainer::UiGridContainer(QGridLayout* grid, int margin, int columnspacing, int rowspacing) {
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101 this->current = NULL;
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102 this->menu = NULL;
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103 this->grid = grid;
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104 grid->setContentsMargins(QMargins(margin, margin, margin, margin));
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105 grid->setHorizontalSpacing(columnspacing);
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106 grid->setVerticalSpacing(rowspacing);
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107 ui_reset_layout(layout);
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108 }
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109
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110 void UiGridContainer::add(QWidget* widget, bool fill) {
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111 if(layout.newline) {
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112 x = 0;
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113 y++;
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114 }
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115
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116 Qt::Alignment alignment = Qt::AlignTop;
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117 grid->setColumnStretch(x, layout.hexpand ? 1 : 0);
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118 if(layout.vexpand) {
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119 grid->setRowStretch(y, 1);
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120 alignment = 0;
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121 } else {
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122 grid->setRowStretch(y, 0);
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123 }
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124
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125 int gwidth = layout.gridwidth > 0 ? layout.gridwidth : 1;
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126
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127 grid->addWidget(widget, y, x, 1, gwidth, alignment);
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128 x += gwidth;
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129
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130 ui_reset_layout(layout);
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131 current = widget;
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132 }
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133
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134 UIWIDGET ui_grid(UiObject *obj) {
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135 return ui_grid_sp(obj, 0, 0, 0);
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136 }
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137
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138 UIWIDGET ui_grid_sp(UiObject *obj, int margin, int columnspacing, int rowspacing) {
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139 UiContainer *ct = uic_get_current_container(obj);
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140 QWidget *widget = new QWidget();
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141 QGridLayout *grid = new QGridLayout();
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142 widget->setLayout(grid);
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143 ct->add(widget, true);
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144
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145 UiObject *newobj = uic_object_new(obj, widget);
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146 newobj->container = new UiGridContainer(grid, margin, columnspacing, rowspacing);
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147 uic_obj_add(obj, newobj);
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148
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149 return widget;
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150 }
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151
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152
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153 /* -------------------- UiTabViewContainer -------------------- */
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154
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155 UiTabViewContainer::UiTabViewContainer(QTabWidget* tabwidget) {
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156 this->current = NULL;
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157 this->menu = NULL;
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158 this->tabwidget = tabwidget;
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159 }
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160
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161 void UiTabViewContainer::add(QWidget* widget, bool fill) {
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162 QString str = QString::fromUtf8(layout.label);
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163 tabwidget->addTab(widget, str);
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164 }
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165
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166
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167 /* -------------------- UiStackContainer -------------------- */
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168
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169 UiStackContainer::UiStackContainer(QStackedWidget *stack) {
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170 this->stack = stack;
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171 }
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172
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173 void UiStackContainer::add(QWidget* widget, bool fill) {
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174 stack->addWidget(widget);
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175 current = widget;
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176 }
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177
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178 UIWIDGET ui_tabview(UiObject *obj) {
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179 QStackedWidget *tabwidget = new QStackedWidget();
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180
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181 UiContainer *ct = uic_get_current_container(obj);
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182 ct->add(tabwidget, true);
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183
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184 UiObject *tabviewobj = uic_object_new(obj, tabwidget);
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185 tabviewobj->container = new UiStackContainer(tabwidget);
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186 uic_obj_add(obj, tabviewobj);
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187
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188 return tabwidget;
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189 }
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190
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191 void ui_tab(UiObject *obj, char *title) {
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192 UiContainer *ct = uic_get_current_container(obj);
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193 ct->layout.label = title;
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194 ui_vbox(obj);
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195 }
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196
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197 void ui_select_tab(UIWIDGET tabview, int tab) {
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198 QStackedWidget *w = (QStackedWidget*)tabview;
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199 w->setCurrentIndex(tab);
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200 }
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201
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202
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203 /* -------------------- UiSidebarContainer -------------------- */
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204
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205 UiSidebarContainer::UiSidebarContainer(QSplitter *splitter) {
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206 this->splitter = splitter;
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207 }
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208
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209 UIWIDGET ui_sidebar(UiObject *obj) {
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210 QSplitter *splitter = new QSplitter(Qt::Horizontal);
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211 UiContainer *ct = uic_get_current_container(obj);
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212 ct->add(splitter, true);
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213
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214 UiObject *left = uic_object_new(obj, splitter);
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215 left->container = new UiSidebarContainer(splitter);
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216
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217 UiObject *right = uic_object_new(obj, splitter);
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218 right->container = new UiSidebarContainer(splitter);
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219
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220 uic_obj_add(obj, right);
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221 uic_obj_add(obj, left);
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222
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223 return splitter;
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224 }
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225
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226 void UiSidebarContainer::add(QWidget *widget, bool fill) {
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227 splitter->addWidget(widget);
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228 }
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229
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230
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231 /* -------------------- layout functions -------------------- */
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232
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233 void ui_layout_fill(UiObject *obj, UiBool fill) {
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234 UiContainer *ct = uic_get_current_container(obj);
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235 ct->layout.fill = ui_bool2lb(fill);
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236 }
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237
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238 void ui_layout_hexpand(UiObject *obj, UiBool expand) {
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239 UiContainer *ct = uic_get_current_container(obj);
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240 ct->layout.hexpand = expand;
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241 }
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242
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243 void ui_layout_vexpand(UiObject *obj, UiBool expand) {
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244 UiContainer *ct = uic_get_current_container(obj);
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245 ct->layout.vexpand = expand;
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246 }
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247
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248 void ui_layout_gridwidth(UiObject *obj, int width) {
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249 UiContainer *ct = uic_get_current_container(obj);
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250 ct->layout.gridwidth = width;
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251 }
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252
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253 void ui_newline(UiObject *obj) {
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254 UiContainer *ct = uic_get_current_container(obj);
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255 ct->layout.newline = TRUE;
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256 }

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