1 | /* $Id: UISlidingToolBar.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * VBox Qt GUI - UISlidingToolBar class implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2014-2019 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #ifdef VBOX_WITH_PRECOMPILED_HEADERS
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19 | # include <precomp.h>
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20 | #else /* !VBOX_WITH_PRECOMPILED_HEADERS */
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21 |
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22 | /* Qt includes: */
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23 | # include <QHBoxLayout>
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24 |
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25 | /* GUI includes: */
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26 | # include "VBoxGlobal.h"
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27 | # include "UISlidingToolBar.h"
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28 | # include "UIAnimationFramework.h"
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29 | # include "UIMachineWindow.h"
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30 | # ifdef VBOX_WS_MAC
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31 | # include "VBoxUtils-darwin.h"
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32 | # endif /* VBOX_WS_MAC */
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33 |
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34 | #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
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35 |
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36 |
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37 | UISlidingToolBar::UISlidingToolBar(QWidget *pParentWidget, QWidget *pIndentWidget, QWidget *pChildWidget, Position enmPosition)
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38 | : QWidget(pParentWidget, Qt::Tool | Qt::FramelessWindowHint)
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39 | , m_enmPosition(enmPosition)
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40 | , m_parentRect(pParentWidget ? pParentWidget->geometry() : QRect())
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41 | , m_indentRect(pIndentWidget ? pIndentWidget->geometry() : QRect())
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42 | , m_pAnimation(0)
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43 | , m_fExpanded(false)
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44 | , m_pMainLayout(0)
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45 | , m_pArea(0)
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46 | , m_pWidget(pChildWidget)
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47 | {
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48 | /* Prepare: */
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49 | prepare();
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50 | }
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51 |
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52 | #ifdef VBOX_WS_MAC
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53 | bool UISlidingToolBar::event(QEvent *pEvent)
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54 | {
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55 | /* Depending on event-type: */
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56 | switch (pEvent->type())
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57 | {
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58 | case QEvent::Resize:
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59 | case QEvent::WindowActivate:
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60 | {
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61 | // WORKAROUND:
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62 | // By some strange reason
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63 | // cocoa resets NSWindow::setHasShadow option
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64 | // for frameless windows on every window resize/activation.
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65 | // So we have to make sure window still has no shadows.
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66 | darwinSetWindowHasShadow(this, false);
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67 | break;
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68 | }
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69 | default:
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70 | break;
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71 | }
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72 | /* Call to base-class: */
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73 | return QWidget::event(pEvent);
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74 | }
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75 | #endif /* VBOX_WS_MAC */
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76 |
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77 | void UISlidingToolBar::showEvent(QShowEvent *)
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78 | {
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79 | /* If window isn't expanded: */
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80 | if (!m_fExpanded)
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81 | {
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82 | /* Start expand animation: */
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83 | emit sigShown();
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84 | }
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85 | }
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86 |
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87 | void UISlidingToolBar::closeEvent(QCloseEvent *pEvent)
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88 | {
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89 | /* If window isn't expanded: */
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90 | if (!m_fExpanded)
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91 | {
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92 | /* Ignore close-event: */
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93 | pEvent->ignore();
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94 | return;
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95 | }
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96 |
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97 | /* If animation state is Final: */
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98 | const QString strAnimationState = property("AnimationState").toString();
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99 | bool fAnimationComplete = strAnimationState == "Final";
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100 | if (fAnimationComplete)
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101 | {
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102 | /* Ignore close-event: */
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103 | pEvent->ignore();
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104 | /* And start collapse animation: */
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105 | emit sigCollapse();
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106 | }
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107 | }
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108 |
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109 | void UISlidingToolBar::sltParentGeometryChanged(const QRect &parentRect)
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110 | {
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111 | /* Update rectangle: */
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112 | m_parentRect = parentRect;
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113 | /* Adjust geometry: */
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114 | adjustGeometry();
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115 | /* Update animation: */
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116 | updateAnimation();
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117 | }
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118 |
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119 | void UISlidingToolBar::prepare()
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120 | {
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121 | /* Tell the application we are not that important: */
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122 | setAttribute(Qt::WA_QuitOnClose, false);
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123 | /* Delete window when closed: */
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124 | setAttribute(Qt::WA_DeleteOnClose);
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125 |
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126 | #if defined(VBOX_WS_MAC) || defined(VBOX_WS_WIN)
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127 | /* Make sure we have no background
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128 | * until the first one paint-event: */
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129 | setAttribute(Qt::WA_NoSystemBackground);
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130 | /* Use Qt API to enable translucency: */
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131 | setAttribute(Qt::WA_TranslucentBackground);
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132 | #elif defined(VBOX_WS_X11)
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133 | if (vboxGlobal().isCompositingManagerRunning())
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134 | {
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135 | /* Use Qt API to enable translucency: */
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136 | setAttribute(Qt::WA_TranslucentBackground);
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137 | }
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138 | #endif /* VBOX_WS_X11 */
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139 |
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140 | /* Prepare contents: */
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141 | prepareContents();
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142 | /* Prepare geometry: */
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143 | prepareGeometry();
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144 | /* Prepare animation: */
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145 | prepareAnimation();
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146 | }
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147 |
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148 | void UISlidingToolBar::prepareContents()
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149 | {
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150 | /* Create main-layout: */
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151 | m_pMainLayout = new QHBoxLayout(this);
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152 | if (m_pMainLayout)
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153 | {
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154 | /* Configure main-layout: */
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155 | m_pMainLayout->setContentsMargins(0, 0, 0, 0);
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156 | m_pMainLayout->setSpacing(0);
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157 | /* Create area: */
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158 | m_pArea = new QWidget;
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159 | if (m_pArea)
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160 | {
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161 | /* Configure area: */
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162 | m_pArea->setAcceptDrops(true);
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163 | m_pArea->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
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164 | QPalette pal1 = m_pArea->palette();
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165 | pal1.setColor(QPalette::Window, QColor(Qt::transparent));
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166 | m_pArea->setPalette(pal1);
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167 | /* Make sure valid child-widget passed: */
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168 | if (m_pWidget)
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169 | {
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170 | /* Configure child-widget: */
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171 | QPalette pal2 = m_pWidget->palette();
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172 | pal2.setColor(QPalette::Window, palette().color(QPalette::Window));
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173 | m_pWidget->setPalette(pal2);
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174 | connect(m_pWidget, SIGNAL(sigCancelClicked()), this, SLOT(close()));
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175 | /* Add child-widget into area: */
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176 | m_pWidget->setParent(m_pArea);
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177 | }
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178 | /* Add area into main-layout: */
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179 | m_pMainLayout->addWidget(m_pArea);
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180 | }
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181 | }
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182 | }
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183 |
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184 | void UISlidingToolBar::prepareGeometry()
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185 | {
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186 | /* Prepare geometry based on parent and sub-window size-hints,
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187 | * But move sub-window to initial position: */
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188 | const QSize sh = m_pWidget->sizeHint();
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189 | switch (m_enmPosition)
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190 | {
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191 | case Position_Top:
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192 | {
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193 | VBoxGlobal::setTopLevelGeometry(this, m_parentRect.x(), m_parentRect.y() + m_indentRect.height(),
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194 | qMax(m_parentRect.width(), sh.width()), sh.height());
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195 | m_pWidget->setGeometry(0, -sh.height(), qMax(width(), sh.width()), sh.height());
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196 | break;
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197 | }
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198 | case Position_Bottom:
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199 | {
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200 | VBoxGlobal::setTopLevelGeometry(this, m_parentRect.x(), m_parentRect.y() + m_parentRect.height() - m_indentRect.height() - sh.height(),
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201 | qMax(m_parentRect.width(), sh.width()), sh.height());
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202 | m_pWidget->setGeometry(0, sh.height(), qMax(width(), sh.width()), sh.height());
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203 | break;
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204 | }
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205 | }
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206 |
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207 | #ifdef VBOX_WS_X11
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208 | if (!vboxGlobal().isCompositingManagerRunning())
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209 | {
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210 | /* Use Xshape otherwise: */
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211 | setMask(m_pWidget->geometry());
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212 | }
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213 | #endif
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214 |
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215 | #ifdef VBOX_WS_WIN
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216 | /* Raise tool-window for proper z-order. */
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217 | raise();
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218 | #endif
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219 |
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220 | /* Activate window after it was shown: */
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221 | connect(this, SIGNAL(sigShown()), this,
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222 | SLOT(sltActivateWindow()), Qt::QueuedConnection);
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223 | /* Update window geometry after parent geometry changed: */
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224 | connect(parent(), SIGNAL(sigGeometryChange(const QRect&)),
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225 | this, SLOT(sltParentGeometryChanged(const QRect&)));
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226 | }
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227 |
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228 | void UISlidingToolBar::prepareAnimation()
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229 | {
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230 | /* Prepare sub-window geometry animation itself: */
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231 | connect(this, SIGNAL(sigShown()), this, SIGNAL(sigExpand()), Qt::QueuedConnection);
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232 | m_pAnimation = UIAnimation::installPropertyAnimation(this,
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233 | "widgetGeometry",
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234 | "startWidgetGeometry", "finalWidgetGeometry",
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235 | SIGNAL(sigExpand()), SIGNAL(sigCollapse()));
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236 | connect(m_pAnimation, SIGNAL(sigStateEnteredStart()), this, SLOT(sltMarkAsCollapsed()));
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237 | connect(m_pAnimation, SIGNAL(sigStateEnteredFinal()), this, SLOT(sltMarkAsExpanded()));
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238 | /* Update geometry animation: */
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239 | updateAnimation();
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240 | }
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241 |
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242 | void UISlidingToolBar::adjustGeometry()
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243 | {
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244 | /* Adjust geometry based on parent and sub-window size-hints: */
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245 | const QSize sh = m_pWidget->sizeHint();
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246 | switch (m_enmPosition)
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247 | {
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248 | case Position_Top:
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249 | {
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250 | VBoxGlobal::setTopLevelGeometry(this, m_parentRect.x(), m_parentRect.y() + m_indentRect.height(),
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251 | qMax(m_parentRect.width(), sh.width()), sh.height());
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252 | break;
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253 | }
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254 | case Position_Bottom:
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255 | {
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256 | VBoxGlobal::setTopLevelGeometry(this, m_parentRect.x(), m_parentRect.y() + m_parentRect.height() - m_indentRect.height() - sh.height(),
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257 | qMax(m_parentRect.width(), sh.width()), sh.height());
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258 | break;
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259 | }
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260 | }
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261 | /* And move sub-window to corresponding position: */
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262 | m_pWidget->setGeometry(0, 0, qMax(width(), sh.width()), sh.height());
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263 |
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264 | #ifdef VBOX_WS_X11
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265 | if (!vboxGlobal().isCompositingManagerRunning())
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266 | {
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267 | /* Use Xshape otherwise: */
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268 | setMask(m_pWidget->geometry());
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269 | }
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270 | #endif
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271 |
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272 | #ifdef VBOX_WS_WIN
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273 | /* Raise tool-window for proper z-order. */
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274 | raise();
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275 | #endif
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276 | }
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277 |
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278 | void UISlidingToolBar::updateAnimation()
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279 | {
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280 | /* Skip if no animation created: */
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281 | if (!m_pAnimation)
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282 | return;
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283 |
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284 | /* Recalculate sub-window geometry animation boundaries based on size-hint: */
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285 | const QSize sh = m_pWidget->sizeHint();
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286 | switch (m_enmPosition)
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287 | {
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288 | case Position_Top: m_startWidgetGeometry = QRect(0, -sh.height(), qMax(width(), sh.width()), sh.height()); break;
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289 | case Position_Bottom: m_startWidgetGeometry = QRect(0, sh.height(), qMax(width(), sh.width()), sh.height()); break;
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290 | }
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291 | m_finalWidgetGeometry = QRect(0, 0, qMax(width(), sh.width()), sh.height());
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292 | m_pAnimation->update();
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293 | }
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294 |
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295 | void UISlidingToolBar::setWidgetGeometry(const QRect &rect)
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296 | {
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297 | /* Apply sub-window geometry: */
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298 | m_pWidget->setGeometry(rect);
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299 |
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300 | #ifdef VBOX_WS_X11
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301 | if (!vboxGlobal().isCompositingManagerRunning())
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302 | {
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303 | /* Use Xshape otherwise: */
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304 | setMask(m_pWidget->geometry());
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305 | }
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306 | #endif
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307 | }
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308 |
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309 | QRect UISlidingToolBar::widgetGeometry() const
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310 | {
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311 | /* Return sub-window geometry: */
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312 | return m_pWidget->geometry();
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313 | }
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