1 | /* $Id: UIToolBox.cpp 100075 2023-06-05 16:38:02Z vboxsync $ */
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2 | /** @file
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3 | * VBox Qt GUI - UIToolBox class implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | /* Qt includes: */
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29 | #include <QCheckBox>
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30 | #include <QLabel>
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31 | #include <QPainter>
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32 | #include <QStyle>
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33 | #include <QVBoxLayout>
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34 | #ifdef VBOX_IS_QT6_OR_LATER
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35 | # include <QWindow>
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36 | #endif
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37 |
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38 | /* GUI includes: */
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39 | #include "QIRichTextLabel.h"
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40 | #include "QIToolButton.h"
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41 | #include "UICommon.h"
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42 | #include "UIIconPool.h"
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43 | #include "UIToolBox.h"
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44 |
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45 |
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46 | /*********************************************************************************************************************************
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47 | * UIToolPageButton definition. *
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48 | *********************************************************************************************************************************/
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49 | /** A QAbstractButton extension used to show collapse/expand icons. More importantly
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50 | * it is buddy to the title label which may include some mnemonics. This makes it possible
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51 | * to expand pages via keyboard. */
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52 | class UIToolPageButton : public QAbstractButton
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53 | {
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54 |
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55 | Q_OBJECT;
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56 |
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57 | public:
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58 |
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59 | UIToolPageButton(QWidget *pParent = 0);
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60 | void setPixmap(const QPixmap &pixmap);
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61 |
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62 | protected:
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63 |
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64 | virtual void paintEvent(QPaintEvent *pEvent) RT_OVERRIDE;
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65 | virtual QSize sizeHint() const RT_OVERRIDE;
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66 |
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67 | private:
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68 |
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69 | /** Holds the pixmap of the expand/collapser icon. We keep
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70 | * QPixmap instead of QIcon since it is rotated when the
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71 | * the page is expanded and end product of rotation is a pixmap.
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72 | * and we use QPainter to draw pixmap.*/
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73 | QPixmap m_pixmap;
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74 | };
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75 |
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76 |
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77 | /*********************************************************************************************************************************
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78 | * UIToolBoxPage definition. *
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79 | *********************************************************************************************************************************/
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80 |
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81 | class UIToolBoxPage : public QIWithRetranslateUI<QWidget>
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82 | {
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83 |
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84 | Q_OBJECT;
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85 |
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86 | signals:
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87 |
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88 | void sigShowPageWidget();
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89 |
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90 | public:
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91 |
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92 | UIToolBoxPage(bool fEnableCheckBoxEnabled = false, QWidget *pParent = 0);
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93 | void setTitle(const QString &strTitle);
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94 | void setTitleBackgroundColor(const QColor &color);
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95 | void setExpanded(bool fExpanded);
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96 | int index() const;
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97 | void setIndex(int iIndex);
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98 | int totalHeight() const;
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99 | int titleHeight() const;
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100 | QSize pageWidgetSize() const;
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101 | void setTitleIcon(const QIcon &icon, const QString &strToolTip);
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102 |
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103 | protected:
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104 |
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105 | virtual bool eventFilter(QObject *pWatched, QEvent *pEvent) RT_OVERRIDE;
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106 | virtual void retranslateUi() /* override final */;
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107 |
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108 | private slots:
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109 |
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110 | void sltHandleEnableToggle(int iState);
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111 |
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112 | private:
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113 |
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114 | void prepare(bool fEnableCheckBoxEnabled);
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115 | void setExpandCollapseIcon();
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116 | /* @p pWidget's ownership is transferred to the page. */
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117 | void setWidget(QWidget *pWidget);
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118 |
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119 | bool m_fExpanded;
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120 | QVBoxLayout *m_pLayout;
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121 | QWidget *m_pTitleContainerWidget;
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122 | QLabel *m_pTitleLabel;
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123 | QLabel *m_pIconLabel;
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124 | QCheckBox *m_pEnableCheckBox;
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125 |
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126 | QWidget *m_pWidget;
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127 | int m_iIndex;
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128 | bool m_fExpandCollapseIconVisible;
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129 | QIcon m_expandCollapseIcon;
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130 | UIToolPageButton *m_pTitleButton;
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131 | QString m_strTitle;
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132 | friend class UIToolBox;
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133 | };
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134 |
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135 |
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136 | /*********************************************************************************************************************************
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137 | * UIToolPageButton implementation. *
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138 | *********************************************************************************************************************************/
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139 |
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140 | UIToolPageButton::UIToolPageButton(QWidget *pParent /* = 0 */)
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141 | : QAbstractButton(pParent)
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142 | {
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143 | }
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144 |
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145 | void UIToolPageButton::paintEvent(QPaintEvent *pEvent)
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146 | {
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147 | Q_UNUSED(pEvent);
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148 | if (!m_pixmap.isNull())
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149 | {
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150 | QPainter painter(this);
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151 | painter.drawPixmap(0 /* origin X */,
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152 | 0 /* origin Y */,
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153 | m_pixmap.width() / m_pixmap.devicePixelRatio() /* width */,
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154 | m_pixmap.height() / m_pixmap.devicePixelRatio() /* height */,
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155 | m_pixmap /* pixmap itself */);
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156 | }
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157 | }
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158 |
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159 | void UIToolPageButton::setPixmap(const QPixmap &pixmap)
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160 | {
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161 | m_pixmap = pixmap;
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162 | updateGeometry();
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163 | update();
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164 | }
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165 |
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166 | QSize UIToolPageButton::sizeHint() const
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167 | {
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168 | if (m_pixmap.isNull())
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169 | return QSize(0,0);
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170 | return m_pixmap.size() / m_pixmap.devicePixelRatio();
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171 | }
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172 |
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173 |
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174 | /*********************************************************************************************************************************
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175 | * UIToolBoxPage implementation. *
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176 | *********************************************************************************************************************************/
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177 |
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178 | UIToolBoxPage::UIToolBoxPage(bool fEnableCheckBoxEnabled /* = false */, QWidget *pParent /* = 0 */)
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179 | :QIWithRetranslateUI<QWidget>(pParent)
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180 | , m_fExpanded(false)
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181 | , m_pLayout(0)
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182 | , m_pTitleContainerWidget(0)
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183 | , m_pTitleLabel(0)
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184 | , m_pIconLabel(0)
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185 | , m_pEnableCheckBox(0)
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186 | , m_pWidget(0)
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187 | , m_iIndex(0)
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188 | , m_fExpandCollapseIconVisible(true)
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189 | , m_pTitleButton(0)
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190 | {
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191 | prepare(fEnableCheckBoxEnabled);
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192 | }
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193 |
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194 | void UIToolBoxPage::setTitle(const QString &strTitle)
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195 | {
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196 | m_strTitle = strTitle;
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197 | if (!m_pTitleLabel)
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198 | return;
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199 | m_pTitleLabel->setText(strTitle);
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200 | retranslateUi();
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201 | }
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202 |
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203 | void UIToolBoxPage::prepare(bool fEnableCheckBoxEnabled)
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204 | {
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205 | m_expandCollapseIcon = UIIconPool::iconSet(":/expanding_collapsing_16px.png");
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206 |
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207 | m_pLayout = new QVBoxLayout(this);
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208 | m_pLayout->setContentsMargins(0, 0, 0, 0);
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209 |
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210 | m_pTitleContainerWidget = new QWidget;
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211 | m_pTitleContainerWidget->installEventFilter(this);
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212 | QHBoxLayout *pTitleLayout = new QHBoxLayout(m_pTitleContainerWidget);
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213 | pTitleLayout->setContentsMargins(qApp->style()->pixelMetric(QStyle::PM_LayoutLeftMargin),
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214 | .4f * qApp->style()->pixelMetric(QStyle::PM_LayoutTopMargin),
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215 | qApp->style()->pixelMetric(QStyle::PM_LayoutRightMargin),
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216 | .4f * qApp->style()->pixelMetric(QStyle::PM_LayoutBottomMargin));
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217 |
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218 | m_pTitleButton = new UIToolPageButton;
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219 | pTitleLayout->addWidget(m_pTitleButton);
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220 | connect(m_pTitleButton, &QAbstractButton::clicked, this, &UIToolBoxPage::sigShowPageWidget);
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221 |
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222 |
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223 | if (fEnableCheckBoxEnabled)
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224 | {
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225 | m_pEnableCheckBox = new QCheckBox;
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226 | pTitleLayout->addWidget(m_pEnableCheckBox);
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227 | connect(m_pEnableCheckBox, &QCheckBox::stateChanged, this, &UIToolBoxPage::sltHandleEnableToggle);
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228 | }
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229 |
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230 | m_pTitleLabel = new QLabel;
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231 | m_pTitleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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232 | m_pTitleLabel->setBuddy(m_pTitleButton);
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233 |
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234 | pTitleLayout->addWidget(m_pTitleLabel);
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235 | m_pIconLabel = new QLabel;
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236 | pTitleLayout->addWidget(m_pIconLabel, Qt::AlignLeft);
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237 | pTitleLayout->addStretch();
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238 | m_pTitleContainerWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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239 | m_pLayout->addWidget(m_pTitleContainerWidget);
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240 |
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241 | setExpandCollapseIcon();
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242 | retranslateUi();
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243 | }
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244 |
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245 | void UIToolBoxPage::setWidget(QWidget *pWidget)
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246 | {
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247 | if (!m_pLayout || !pWidget)
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248 | return;
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249 | m_pWidget = pWidget;
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250 | m_pLayout->addWidget(m_pWidget);
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251 |
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252 | if (m_pEnableCheckBox)
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253 | m_pWidget->setEnabled(m_pEnableCheckBox->checkState() == Qt::Checked);
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254 |
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255 | m_pWidget->hide();
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256 | }
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257 |
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258 | void UIToolBoxPage::setTitleBackgroundColor(const QColor &color)
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259 | {
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260 | if (!m_pTitleLabel)
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261 | return;
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262 | QPalette palette = m_pTitleContainerWidget->palette();
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263 | palette.setColor(QPalette::Window, color);
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264 | m_pTitleContainerWidget->setPalette(palette);
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265 | m_pTitleContainerWidget->setAutoFillBackground(true);
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266 | }
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267 |
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268 | void UIToolBoxPage::setExpanded(bool fVisible)
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269 | {
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270 | if (m_pWidget)
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271 | m_pWidget->setVisible(fVisible);
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272 | m_fExpanded = fVisible;
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273 | setExpandCollapseIcon();
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274 | }
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275 |
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276 | int UIToolBoxPage::index() const
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277 | {
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278 | return m_iIndex;
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279 | }
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280 |
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281 | void UIToolBoxPage::setIndex(int iIndex)
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282 | {
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283 | m_iIndex = iIndex;
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284 | }
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285 |
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286 | int UIToolBoxPage::totalHeight() const
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287 | {
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288 | return pageWidgetSize().height() + titleHeight();
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289 | }
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290 |
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291 | void UIToolBoxPage::setTitleIcon(const QIcon &icon, const QString &strToolTip)
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292 | {
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293 | if (!m_pIconLabel)
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294 | return;
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295 | if (icon.isNull())
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296 | {
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297 | m_pIconLabel->setPixmap(QPixmap());
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298 | return;
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299 | }
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300 | const int iMetric = QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize);
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301 | #ifndef VBOX_IS_QT6_OR_LATER /* QIcon::pixmap taking QWindow is deprecated in Qt6 */
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302 | m_pIconLabel->setPixmap(icon.pixmap(windowHandle(), QSize(iMetric, iMetric)));
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303 | #else
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304 | const qreal fDevicePixelRatio = window() && window()->windowHandle() ? window()->windowHandle()->devicePixelRatio() : 1;
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305 | m_pIconLabel->setPixmap(icon.pixmap(QSize(iMetric, iMetric), fDevicePixelRatio));
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306 | #endif
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307 | m_pIconLabel->setToolTip(strToolTip);
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308 | }
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309 |
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310 | int UIToolBoxPage::titleHeight() const
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311 | {
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312 | if (m_pTitleContainerWidget && m_pTitleContainerWidget->sizeHint().isValid())
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313 | return m_pTitleContainerWidget->sizeHint().height();
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314 | return 0;
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315 | }
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316 |
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317 | QSize UIToolBoxPage::pageWidgetSize() const
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318 | {
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319 | if (m_pWidget && m_pWidget->sizeHint().isValid())
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320 | return m_pWidget->sizeHint();
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321 | return QSize();
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322 | }
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323 |
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324 | bool UIToolBoxPage::eventFilter(QObject *pWatched, QEvent *pEvent)
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325 | {
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326 | if (pWatched == m_pTitleContainerWidget)
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327 | {
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328 | if (pEvent->type() == QEvent::MouseButtonPress)
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329 | emit sigShowPageWidget();
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330 | }
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331 | return QWidget::eventFilter(pWatched, pEvent);
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332 |
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333 | }
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334 |
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335 | void UIToolBoxPage::sltHandleEnableToggle(int iState)
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336 | {
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337 | if (m_pWidget)
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338 | m_pWidget->setEnabled(iState == Qt::Checked);
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339 | }
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340 |
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341 | void UIToolBoxPage::setExpandCollapseIcon()
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342 | {
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343 | if (!m_fExpandCollapseIconVisible)
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344 | {
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345 | m_pTitleButton->setVisible(false);
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346 | return;
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347 | }
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348 | const int iMetric = QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize);
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349 | #ifndef VBOX_IS_QT6_OR_LATER /* QIcon::pixmap taking QWindow is deprecated in Qt6 */
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350 | QPixmap basePixmap = m_expandCollapseIcon.pixmap(windowHandle(), QSize(iMetric, iMetric));
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351 | #else
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352 | const qreal fDevicePixelRatio = window() && window()->windowHandle() ? window()->windowHandle()->devicePixelRatio() : 1;
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353 | QPixmap basePixmap = m_expandCollapseIcon.pixmap(QSize(iMetric, iMetric), fDevicePixelRatio);
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354 | #endif
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355 | if (!m_fExpanded)
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356 | m_pTitleButton->setPixmap(basePixmap);
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357 | else
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358 | {
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359 | QTransform transform;
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360 | transform.rotate(90);
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361 | QPixmap transformedPixmap = basePixmap.transformed(transform);
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362 | transformedPixmap.setDevicePixelRatio(basePixmap.devicePixelRatio());
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363 | m_pTitleButton->setPixmap(transformedPixmap);
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364 | }
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365 | }
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366 |
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367 | void UIToolBoxPage::retranslateUi()
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368 | {
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369 | if (m_pTitleButton)
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370 | m_pTitleButton->setToolTip(UIToolBox::tr("Expands the page \"%1\"").arg(m_strTitle.remove('&')));
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371 | }
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372 |
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373 |
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374 | /*********************************************************************************************************************************
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375 | * UIToolBox implementation. *
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376 | *********************************************************************************************************************************/
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377 |
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378 | UIToolBox::UIToolBox(QWidget *pParent /* = 0 */)
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379 | : QIWithRetranslateUI<QFrame>(pParent)
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380 | , m_iCurrentPageIndex(-1)
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381 | , m_iPageCount(0)
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382 | {
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383 | prepare();
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384 | }
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385 |
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386 | bool UIToolBox::insertPage(int iIndex, QWidget *pWidget, const QString &strTitle, bool fAddEnableCheckBox /* = false */)
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387 | {
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388 | if (m_pages.contains(iIndex))
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389 | return false;
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390 |
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391 | /* Remove the stretch from the end of the layout: */
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392 | QLayoutItem *pItem = m_pMainLayout->takeAt(m_pMainLayout->count() - 1);
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393 | delete pItem;
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394 |
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395 | ++m_iPageCount;
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396 | UIToolBoxPage *pNewPage = new UIToolBoxPage(fAddEnableCheckBox, 0);;
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397 |
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398 | pNewPage->setWidget(pWidget);
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399 | pNewPage->setIndex(iIndex);
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400 | pNewPage->setTitle(strTitle);
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401 |
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402 | const QPalette pal = QApplication::palette();
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403 | QColor tabBackgroundColor = pal.color(QPalette::Active, QPalette::Highlight).lighter(130);
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404 | pNewPage->setTitleBackgroundColor(tabBackgroundColor);
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405 |
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406 | m_pages[iIndex] = pNewPage;
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407 | m_pMainLayout->insertWidget(iIndex, pNewPage);
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408 |
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409 | connect(pNewPage, &UIToolBoxPage::sigShowPageWidget,
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410 | this, &UIToolBox::sltHandleShowPageWidget);
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411 |
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412 | /* Add stretch at the end: */
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413 | m_pMainLayout->addStretch(1);
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414 | return iIndex;
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415 | }
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416 |
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417 | QSize UIToolBox::minimumSizeHint() const
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418 | {
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419 |
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420 | int iMaxPageHeight = 0;
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421 | int iTotalTitleHeight = 0;
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422 | int iWidth = 0;
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423 | foreach(UIToolBoxPage *pPage, m_pages)
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424 | {
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425 | QSize pageWidgetSize(pPage->pageWidgetSize());
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426 | iMaxPageHeight = qMax(iMaxPageHeight, pageWidgetSize.height());
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427 | iTotalTitleHeight += pPage->titleHeight();
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428 | iWidth = qMax(pageWidgetSize.width(), iWidth);
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429 | }
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430 | int iHeight = m_iPageCount * (qApp->style()->pixelMetric(QStyle::PM_LayoutTopMargin) +
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431 | qApp->style()->pixelMetric(QStyle::PM_LayoutBottomMargin)) +
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432 | iTotalTitleHeight +
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433 | iMaxPageHeight;
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434 | return QSize(iWidth, iHeight);
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435 | }
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436 |
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437 | void UIToolBox::setPageEnabled(int iIndex, bool fEnabled)
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438 | {
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439 | m_pages.value(iIndex)->setEnabled(fEnabled);
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440 | }
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441 |
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442 | void UIToolBox::setPageTitle(int iIndex, const QString &strTitle)
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443 | {
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444 | QMap<int, UIToolBoxPage*>::iterator iterator = m_pages.find(iIndex);
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445 | if (iterator == m_pages.end())
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446 | return;
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447 | iterator.value()->setTitle(strTitle);
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448 | }
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449 |
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450 | void UIToolBox::setPageTitleIcon(int iIndex, const QIcon &icon, const QString &strIconToolTip /* = QString() */)
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451 | {
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452 | QMap<int, UIToolBoxPage*>::iterator iterator = m_pages.find(iIndex);
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453 | if (iterator == m_pages.end())
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454 | return;
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455 | iterator.value()->setTitleIcon(icon, strIconToolTip);
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456 | }
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457 |
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458 | void UIToolBox::setCurrentPage(int iIndex)
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459 | {
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460 | m_iCurrentPageIndex = iIndex;
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461 | QMap<int, UIToolBoxPage*>::iterator iterator = m_pages.find(iIndex);
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462 | if (iterator == m_pages.end())
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463 | return;
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464 | foreach(UIToolBoxPage *pPage, m_pages)
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465 | pPage->setExpanded(false);
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466 |
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467 | iterator.value()->setExpanded(true);
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468 | }
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469 |
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470 | void UIToolBox::retranslateUi()
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471 | {
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472 | }
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473 |
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474 | void UIToolBox::prepare()
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475 | {
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476 | m_pMainLayout = new QVBoxLayout(this);
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477 | m_pMainLayout->addStretch();
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478 |
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479 | retranslateUi();
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480 | }
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481 |
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482 | void UIToolBox::sltHandleShowPageWidget()
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483 | {
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484 | UIToolBoxPage *pPage = qobject_cast<UIToolBoxPage*>(sender());
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485 | if (!pPage)
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486 | return;
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487 | setCurrentPage(pPage->index());
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488 | update();
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489 | }
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490 |
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491 | #include "UIToolBox.moc"
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