1 | /* $Id: UIGuestProcessControlWidget.cpp 103987 2024-03-21 12:33:33Z vboxsync $ */
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2 | /** @file
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3 | * VBox Qt GUI - UIGuestProcessControlWidget class implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2016-2023 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 <QApplication>
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30 | #include <QMenu>
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31 | #include <QVBoxLayout>
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32 |
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33 | /* GUI includes: */
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34 | #include "QIDialog.h"
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35 | #include "QIDialogButtonBox.h"
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36 | #include "QIToolBar.h"
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37 | #include "UIGlobalSession.h"
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38 | #include "UIGuestControlConsole.h"
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39 | #include "UIGuestControlTreeItem.h"
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40 | #include "UIGuestProcessControlWidget.h"
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41 | #include "UIIconPool.h"
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42 |
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43 | /* COM includes: */
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44 | #include "CGuest.h"
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45 | #include "CEventSource.h"
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46 |
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47 |
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48 | /** A QIDialog child to display properties of a guest session on process. */
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49 | class UISessionProcessPropertiesDialog : public QIDialog
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50 | {
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51 | Q_OBJECT;
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52 |
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53 | public:
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54 |
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55 | UISessionProcessPropertiesDialog(QWidget *pParent = 0, Qt::WindowFlags enmFlags = Qt::WindowFlags());
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56 | void setPropertyText(const QString &strProperty);
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57 |
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58 | private:
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59 |
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60 | QVBoxLayout *m_pMainLayout;
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61 | QTextEdit *m_pInfoEdit;
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62 | QString m_strProperty;
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63 | };
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64 |
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65 |
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66 | class UIGuestControlTreeWidget : public QITreeWidget
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67 | {
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68 |
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69 | Q_OBJECT;
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70 |
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71 | signals:
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72 |
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73 | void sigCloseSessionOrProcess();
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74 | void sigShowProperties();
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75 |
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76 | public:
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77 |
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78 | UIGuestControlTreeWidget(QWidget *pParent = 0);
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79 | UIGuestControlTreeItem *selectedItem();
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80 |
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81 | protected:
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82 |
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83 | void contextMenuEvent(QContextMenuEvent *pEvent) RT_OVERRIDE RT_FINAL;
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84 |
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85 | private slots:
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86 |
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87 | void sltExpandAll();
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88 | void sltCollapseAll();
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89 | void sltRemoveAllTerminateSessionsProcesses();
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90 |
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91 | private:
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92 |
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93 | void expandCollapseAll(bool bFlag);
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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 | * UISessionProcessPropertiesDialog implementation. *
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99 | *********************************************************************************************************************************/
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100 |
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101 | UISessionProcessPropertiesDialog::UISessionProcessPropertiesDialog(QWidget *pParent /* = 0 */, Qt::WindowFlags enmFlags /* = Qt::WindowFlags() */)
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102 | :QIDialog(pParent, enmFlags)
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103 | , m_pMainLayout(new QVBoxLayout)
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104 | , m_pInfoEdit(new QTextEdit)
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105 | {
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106 | setLayout(m_pMainLayout);
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107 |
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108 | if (m_pMainLayout)
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109 | m_pMainLayout->addWidget(m_pInfoEdit);
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110 | if (m_pInfoEdit)
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111 | {
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112 | m_pInfoEdit->setReadOnly(true);
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113 | m_pInfoEdit->setFrameStyle(QFrame::NoFrame);
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114 | }
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115 | QIDialogButtonBox *pButtonBox =
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116 | new QIDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, this);
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117 | m_pMainLayout->addWidget(pButtonBox);
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118 | connect(pButtonBox, &QIDialogButtonBox::accepted, this, &UISessionProcessPropertiesDialog::accept);
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119 | }
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120 |
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121 | void UISessionProcessPropertiesDialog::setPropertyText(const QString &strProperty)
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122 | {
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123 | if (!m_pInfoEdit)
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124 | return;
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125 | m_strProperty = strProperty;
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126 | m_pInfoEdit->setHtml(strProperty);
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127 | }
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128 |
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129 |
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130 | /*********************************************************************************************************************************
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131 | * UIGuestControlTreeWidget implementation. *
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132 | *********************************************************************************************************************************/
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133 |
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134 | UIGuestControlTreeWidget::UIGuestControlTreeWidget(QWidget *pParent /* = 0 */)
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135 | :QITreeWidget(pParent)
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136 | {
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137 | setSelectionMode(QAbstractItemView::SingleSelection);
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138 | setAlternatingRowColors(true);
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139 | }
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140 |
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141 | UIGuestControlTreeItem *UIGuestControlTreeWidget::selectedItem()
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142 | {
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143 | QList<QTreeWidgetItem*> selectedList = selectedItems();
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144 | if (selectedList.isEmpty())
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145 | return 0;
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146 | UIGuestControlTreeItem *item =
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147 | dynamic_cast<UIGuestControlTreeItem*>(selectedList[0]);
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148 | /* Return the firstof the selected items */
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149 | return item;
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150 | }
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151 |
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152 | void UIGuestControlTreeWidget::contextMenuEvent(QContextMenuEvent *pEvent) /* override */
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153 | {
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154 | QMenu menu(this);
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155 | QList<QTreeWidgetItem *> selectedList = selectedItems();
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156 |
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157 | UIGuestSessionTreeItem *sessionTreeItem = 0;
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158 | if (!selectedList.isEmpty())
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159 | sessionTreeItem = dynamic_cast<UIGuestSessionTreeItem*>(selectedList[0]);
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160 | QAction *pSessionCloseAction = 0;
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161 | bool fHasAnyItems = topLevelItemCount() != 0;
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162 | /* Create a guest session related context menu */
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163 | if (sessionTreeItem)
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164 | {
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165 | pSessionCloseAction = menu.addAction(tr("Terminate Session"));
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166 | if (pSessionCloseAction)
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167 | connect(pSessionCloseAction, &QAction::triggered,
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168 | this, &UIGuestControlTreeWidget::sigCloseSessionOrProcess);
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169 | }
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170 | UIGuestProcessTreeItem *processTreeItem = 0;
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171 | if (!selectedList.isEmpty())
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172 | processTreeItem = dynamic_cast<UIGuestProcessTreeItem*>(selectedList[0]);
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173 | QAction *pProcessTerminateAction = 0;
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174 | if (processTreeItem)
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175 | {
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176 | pProcessTerminateAction = menu.addAction(tr("Terminate Process"));
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177 | if (pProcessTerminateAction)
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178 | {
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179 | connect(pProcessTerminateAction, &QAction::triggered,
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180 | this, &UIGuestControlTreeWidget::sigCloseSessionOrProcess);
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181 | pProcessTerminateAction->setIcon(UIIconPool::iconSet(":/file_manager_delete_16px.png"));
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182 | }
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183 | }
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184 | if (pProcessTerminateAction || pSessionCloseAction)
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185 | menu.addSeparator();
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186 |
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187 | QAction *pRemoveAllTerminated = menu.addAction(tr("Remove All Terminated Sessions/Processes"));
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188 | if (pRemoveAllTerminated)
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189 | {
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190 |
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191 | pRemoveAllTerminated->setEnabled(fHasAnyItems);
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192 | pRemoveAllTerminated->setIcon(UIIconPool::iconSet(":/state_aborted_16px.png"));
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193 |
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194 | connect(pRemoveAllTerminated, &QAction::triggered,
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195 | this, &UIGuestControlTreeWidget::sltRemoveAllTerminateSessionsProcesses);
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196 | }
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197 |
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198 | // Add actions to expand/collapse all tree items
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199 | QAction *pExpandAllAction = menu.addAction(tr("Expand All"));
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200 | if (pExpandAllAction)
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201 | {
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202 | pExpandAllAction->setIcon(UIIconPool::iconSet(":/expand_all_16px.png"));
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203 | connect(pExpandAllAction, &QAction::triggered,
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204 | this, &UIGuestControlTreeWidget::sltExpandAll);
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205 | }
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206 |
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207 | QAction *pCollapseAllAction = menu.addAction(tr("Collapse All"));
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208 | if (pCollapseAllAction)
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209 | {
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210 | pCollapseAllAction->setIcon(UIIconPool::iconSet(":/collapse_all_16px.png"));
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211 | connect(pCollapseAllAction, &QAction::triggered,
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212 | this, &UIGuestControlTreeWidget::sltCollapseAll);
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213 | }
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214 | menu.addSeparator();
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215 | QAction *pShowPropertiesAction = menu.addAction(tr("Properties"));
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216 | if (pShowPropertiesAction)
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217 | {
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218 | pShowPropertiesAction->setIcon(UIIconPool::iconSet(":/file_manager_properties_16px.png"));
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219 | pShowPropertiesAction->setEnabled(fHasAnyItems);
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220 | connect(pShowPropertiesAction, &QAction::triggered,
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221 | this, &UIGuestControlTreeWidget::sigShowProperties);
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222 | }
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223 |
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224 | menu.exec(pEvent->globalPos());
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225 | }
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226 |
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227 | void UIGuestControlTreeWidget::sltExpandAll()
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228 | {
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229 | expandCollapseAll(true);
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230 | }
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231 |
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232 | void UIGuestControlTreeWidget::sltCollapseAll()
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233 | {
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234 | expandCollapseAll(false);
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235 | }
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236 |
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237 | void UIGuestControlTreeWidget::sltRemoveAllTerminateSessionsProcesses()
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238 | {
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239 | for (int i = 0; i < topLevelItemCount(); ++i)
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240 | {
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241 | if (!topLevelItem(i))
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242 | break;
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243 | UIGuestSessionTreeItem *pSessionItem = dynamic_cast<UIGuestSessionTreeItem*>(topLevelItem(i));
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244 |
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245 | if (!pSessionItem)
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246 | continue;
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247 |
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248 | if (pSessionItem->status() != KGuestSessionStatus_Starting &&
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249 | pSessionItem->status() != KGuestSessionStatus_Started)
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250 | {
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251 | delete pSessionItem;
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252 | continue;
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253 | }
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254 |
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255 | for (int j = 0; j < topLevelItem(i)->childCount(); ++j)
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256 | {
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257 | UIGuestProcessTreeItem *pProcessItem = dynamic_cast<UIGuestProcessTreeItem*>(topLevelItem(i)->child(j));
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258 |
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259 | if (pProcessItem)
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260 | {
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261 | if (pProcessItem->status() != KProcessStatus_Starting &&
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262 | pProcessItem->status() != KProcessStatus_Started)
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263 | delete pProcessItem;
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264 | }
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265 | }
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266 | }
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267 |
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268 | }
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269 |
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270 | void UIGuestControlTreeWidget::expandCollapseAll(bool bFlag)
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271 | {
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272 | for (int i = 0; i < topLevelItemCount(); ++i)
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273 | {
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274 | if (!topLevelItem(i))
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275 | break;
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276 | topLevelItem(i)->setExpanded(bFlag);
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277 | for (int j = 0; j < topLevelItem(i)->childCount(); ++j)
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278 | {
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279 | if (topLevelItem(i)->child(j))
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280 | {
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281 | topLevelItem(i)->child(j)->setExpanded(bFlag);
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282 | }
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283 | }
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284 | }
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285 | }
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286 |
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287 |
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288 | /*********************************************************************************************************************************
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289 | * UIGuestProcessControlWidget implementation. *
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290 | *********************************************************************************************************************************/
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291 |
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292 | const bool UIGuestProcessControlWidget::s_fDeleteAfterUnregister = false;
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293 |
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294 | UIGuestProcessControlWidget::UIGuestProcessControlWidget(EmbedTo enmEmbedding, const CGuest &comGuest,
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295 | QWidget *pParent, QString strMachineName /* = QString()*/,
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296 | bool fShowToolbar /* = false */)
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297 | :QIWithRetranslateUI<QWidget>(pParent)
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298 | , m_comGuest(comGuest)
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299 | , m_pMainLayout(0)
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300 | , m_pTreeWidget(0)
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301 | , m_enmEmbedding(enmEmbedding)
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302 | , m_pToolBar(0)
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303 | , m_pQtListener(0)
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304 | , m_fShowToolbar(fShowToolbar)
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305 | , m_strMachineName(strMachineName)
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306 | {
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307 | prepareListener();
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308 | prepareObjects();
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309 | prepareConnections();
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310 | prepareToolBar();
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311 | initGuestSessionTree();
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312 | retranslateUi();
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313 | }
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314 |
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315 | UIGuestProcessControlWidget::~UIGuestProcessControlWidget()
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316 | {
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317 | sltCleanupListener();
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318 | }
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319 |
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320 | void UIGuestProcessControlWidget::retranslateUi()
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321 | {
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322 | if (m_pTreeWidget)
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323 | {
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324 | QStringList labels;
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325 | labels << tr("Session/Process ID") << tr("Session Name/Process Command") << tr("Session/Process Status");
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326 | m_pTreeWidget->setHeaderLabels(labels);
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327 | }
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328 | }
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329 |
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330 |
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331 | void UIGuestProcessControlWidget::prepareObjects()
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332 | {
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333 | /* Create layout: */
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334 | m_pMainLayout = new QVBoxLayout(this);
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335 | if (!m_pMainLayout)
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336 | return;
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337 |
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338 | /* Configure layout: */
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339 | m_pMainLayout->setSpacing(0);
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340 | m_pTreeWidget = new UIGuestControlTreeWidget;
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341 |
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342 | if (m_pTreeWidget)
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343 | {
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344 | m_pMainLayout->addWidget(m_pTreeWidget);
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345 | m_pTreeWidget->setColumnCount(3);
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346 | }
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347 | updateTreeWidget();
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348 | }
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349 |
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350 | void UIGuestProcessControlWidget::updateTreeWidget()
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351 | {
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352 | if (!m_pTreeWidget)
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353 | return;
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354 |
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355 | m_pTreeWidget->clear();
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356 | QVector<QITreeWidgetItem> treeItemVector;
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357 | update();
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358 | }
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359 |
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360 | void UIGuestProcessControlWidget::prepareConnections()
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361 | {
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362 | qRegisterMetaType<QVector<int> >();
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363 |
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364 | if (m_pTreeWidget)
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365 | {
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366 | connect(m_pTreeWidget, &UIGuestControlTreeWidget::sigCloseSessionOrProcess,
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367 | this, &UIGuestProcessControlWidget::sltCloseSessionOrProcess);
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368 | connect(m_pTreeWidget, &UIGuestControlTreeWidget::sigShowProperties,
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369 | this, &UIGuestProcessControlWidget::sltShowProperties);
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370 | }
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371 |
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372 | if (m_pQtListener)
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373 | {
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374 | connect(m_pQtListener->getWrapped(), &UIMainEventListener::sigGuestSessionRegistered,
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375 | this, &UIGuestProcessControlWidget::sltGuestSessionRegistered);
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376 | connect(m_pQtListener->getWrapped(), &UIMainEventListener::sigGuestSessionUnregistered,
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377 | this, &UIGuestProcessControlWidget::sltGuestSessionUnregistered);
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378 | }
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379 | }
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380 |
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381 | void UIGuestProcessControlWidget::sltGuestSessionsUpdated()
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382 | {
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383 | updateTreeWidget();
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384 | }
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385 |
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386 | void UIGuestProcessControlWidget::sltCloseSessionOrProcess()
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387 | {
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388 | if (!m_pTreeWidget)
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389 | return;
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390 | UIGuestControlTreeItem *selectedTreeItem =
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391 | m_pTreeWidget->selectedItem();
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392 | if (!selectedTreeItem)
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393 | return;
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394 | UIGuestProcessTreeItem *processTreeItem =
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395 | dynamic_cast<UIGuestProcessTreeItem*>(selectedTreeItem);
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396 | if (processTreeItem)
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397 | {
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398 | CGuestProcess guestProcess = processTreeItem->guestProcess();
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399 | if (guestProcess.isOk())
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400 | {
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401 | guestProcess.Terminate();
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402 | }
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403 | return;
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404 | }
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405 | UIGuestSessionTreeItem *sessionTreeItem =
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406 | dynamic_cast<UIGuestSessionTreeItem*>(selectedTreeItem);
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407 | if (!sessionTreeItem)
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408 | return;
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409 | CGuestSession guestSession = sessionTreeItem->guestSession();
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410 | if (!guestSession.isOk())
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411 | return;
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412 | guestSession.Close();
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413 | }
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414 |
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415 | void UIGuestProcessControlWidget::sltShowProperties()
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416 | {
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417 | UIGuestControlTreeItem *pItem = m_pTreeWidget->selectedItem();
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418 | if (!pItem)
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419 | return;
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420 |
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421 | UISessionProcessPropertiesDialog *pPropertiesDialog = new UISessionProcessPropertiesDialog(this);
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422 | if (!m_strMachineName.isEmpty())
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423 | {
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424 | pPropertiesDialog->setWindowTitle(m_strMachineName);
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425 | }
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426 | if (!pPropertiesDialog)
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427 | return;
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428 |
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429 | pPropertiesDialog->setPropertyText(pItem->propertyString());
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430 | pPropertiesDialog->exec();
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431 |
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432 | delete pPropertiesDialog;
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433 | }
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434 |
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435 | void UIGuestProcessControlWidget::prepareListener()
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436 | {
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437 | /* Create event listener instance: */
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438 | m_pQtListener.createObject();
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439 | m_pQtListener->init(new UIMainEventListener, this);
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440 | m_comEventListener = CEventListener(m_pQtListener);
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441 |
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442 | /* Get CProgress event source: */
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443 | CEventSource comEventSource = m_comGuest.GetEventSource();
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444 | Assert(m_comGuest.isOk());
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445 |
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446 | /* Enumerate all the required event-types: */
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447 | QVector<KVBoxEventType> eventTypes;
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448 | eventTypes << KVBoxEventType_OnGuestSessionRegistered;
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449 |
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450 | /* Register event listener for CProgress event source: */
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451 | comEventSource.RegisterListener(m_comEventListener, eventTypes, FALSE /* active? */);
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452 | Assert(comEventSource.isOk());
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453 |
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454 | /* Register event sources in their listeners as well: */
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455 | m_pQtListener->getWrapped()->registerSource(comEventSource, m_comEventListener);
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456 | }
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457 |
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458 | void UIGuestProcessControlWidget::prepareToolBar()
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459 | {
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460 | /* Create toolbar: */
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461 | m_pToolBar = new QIToolBar(parentWidget());
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462 | if (m_pToolBar)
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463 | {
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464 | /* Configure toolbar: */
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465 | const int iIconMetric = (int)(QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize));
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466 | m_pToolBar->setIconSize(QSize(iIconMetric, iIconMetric));
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467 | m_pToolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
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468 |
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469 | /* Add toolbar actions: */
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470 | m_pToolBar->addSeparator();
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471 | m_pToolBar->addSeparator();
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472 |
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473 | #ifdef VBOX_WS_MAC
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474 | /* Check whether we are embedded into a stack: */
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475 | if (m_enmEmbedding == EmbedTo_Stack)
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476 | {
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477 | /* Add into layout: */
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478 | m_pMainLayout->addWidget(m_pToolBar);
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479 | }
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480 | #else
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481 | /* Add into layout: */
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482 | m_pMainLayout->addWidget(m_pToolBar);
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483 | #endif
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484 | }
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485 | }
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486 |
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487 | void UIGuestProcessControlWidget::initGuestSessionTree()
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488 | {
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489 | if (!m_comGuest.isOk())
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490 | return;
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491 |
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492 | QVector<CGuestSession> sessions = m_comGuest.GetSessions();
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493 | for (int i = 0; i < sessions.size(); ++i)
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494 | {
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495 | addGuestSession(sessions.at(i));
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496 | }
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497 | }
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498 |
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499 | void UIGuestProcessControlWidget::sltGuestSessionRegistered(CGuestSession guestSession)
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500 | {
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501 | if (!guestSession.isOk())
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502 | return;
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503 | addGuestSession(guestSession);
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504 | }
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505 |
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506 | void UIGuestProcessControlWidget::addGuestSession(CGuestSession guestSession)
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507 | {
|
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508 | UIGuestSessionTreeItem* sessionTreeItem = new UIGuestSessionTreeItem(m_pTreeWidget, guestSession);
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509 | connect(sessionTreeItem, &UIGuestSessionTreeItem::sigGuessSessionUpdated,
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510 | this, &UIGuestProcessControlWidget::sltTreeItemUpdated);
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511 | }
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512 |
|
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513 | void UIGuestProcessControlWidget::sltTreeItemUpdated()
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514 | {
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515 | if (m_pTreeWidget)
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516 | m_pTreeWidget->update();
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517 | }
|
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518 |
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519 | void UIGuestProcessControlWidget::sltGuestSessionUnregistered(CGuestSession guestSession)
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520 | {
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521 | if (!guestSession.isOk())
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522 | return;
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523 | if (!m_pTreeWidget)
|
---|
524 | return;
|
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525 |
|
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526 | UIGuestSessionTreeItem *selectedItem = NULL;
|
---|
527 |
|
---|
528 | for (int i = 0; i < m_pTreeWidget->topLevelItemCount(); ++i)
|
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529 | {
|
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530 | QTreeWidgetItem *item = m_pTreeWidget->topLevelItem( i );
|
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531 |
|
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532 | UIGuestSessionTreeItem *treeItem = dynamic_cast<UIGuestSessionTreeItem*>(item);
|
---|
533 | if (treeItem && treeItem->guestSession() == guestSession)
|
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534 | {
|
---|
535 | selectedItem = treeItem;
|
---|
536 | break;
|
---|
537 | }
|
---|
538 | }
|
---|
539 | if (s_fDeleteAfterUnregister)
|
---|
540 | delete selectedItem;
|
---|
541 | }
|
---|
542 |
|
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543 | void UIGuestProcessControlWidget::sltCleanupListener()
|
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544 | {
|
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545 | /* Unregister everything: */
|
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546 | m_pQtListener->getWrapped()->unregisterSources();
|
---|
547 |
|
---|
548 | /* Make sure VBoxSVC is available: */
|
---|
549 | if (!gpGlobalSession->isVBoxSVCAvailable())
|
---|
550 | return;
|
---|
551 |
|
---|
552 | /* Get CProgress event source: */
|
---|
553 | CEventSource comEventSource = m_comGuest.GetEventSource();
|
---|
554 | Assert(m_comGuest.isOk());
|
---|
555 |
|
---|
556 | /* Unregister event listener for CProgress event source: */
|
---|
557 | comEventSource.UnregisterListener(m_comEventListener);
|
---|
558 | }
|
---|
559 |
|
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560 | #include "UIGuestProcessControlWidget.moc"
|
---|