VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/UITakeSnapshotDialog.cpp@ 74942

Last change on this file since 74942 was 73926, checked in by vboxsync, 6 years ago

FE/Qt: bugref:8472. Refactoring the term 'mediums' to media
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.2 KB
Line 
1/* $Id: UITakeSnapshotDialog.cpp 73926 2018-08-28 10:02:14Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UITakeSnapshotDialog class implementation.
4 */
5
6/*
7 * Copyright (C) 2006-2018 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifdef VBOX_WITH_PRECOMPILED_HEADERS
19# include <precomp.h>
20#else /* !VBOX_WITH_PRECOMPILED_HEADERS */
21
22/* Qt includes: */
23# include <QGridLayout>
24# include <QLabel>
25# include <QLineEdit>
26# include <QPushButton>
27# include <QStyle>
28
29/* GUI includes: */
30# include "QIDialogButtonBox.h"
31# include "QILabel.h"
32# include "VBoxUtils.h"
33# include "UIDesktopWidgetWatchdog.h"
34# include "UIMessageCenter.h"
35# include "UITakeSnapshotDialog.h"
36
37/* COM includes: */
38# include "COMEnums.h"
39# include "CMachine.h"
40# include "CMedium.h"
41# include "CMediumAttachment.h"
42
43#endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
44
45
46UITakeSnapshotDialog::UITakeSnapshotDialog(QWidget *pParent, const CMachine &comMachine)
47 : QIWithRetranslateUI<QIDialog>(pParent)
48 , m_comMachine(comMachine)
49 , m_cImmutableMedia(0)
50 , m_pLabelIcon(0)
51 , m_pLabelName(0), m_pEditorName(0)
52 , m_pLabelDescription(0), m_pEditorDescription(0)
53 , m_pLabelInfo(0)
54 , m_pButtonBox(0)
55{
56 /* Prepare: */
57 prepare();
58}
59
60void UITakeSnapshotDialog::setIcon(const QIcon &icon)
61{
62 m_icon = icon;
63 updatePixmap();
64}
65
66void UITakeSnapshotDialog::setName(const QString &strName)
67{
68 m_pEditorName->setText(strName);
69}
70
71QString UITakeSnapshotDialog::name() const
72{
73 return m_pEditorName->text();
74}
75
76QString UITakeSnapshotDialog::description() const
77{
78 return m_pEditorDescription->toPlainText();
79}
80
81bool UITakeSnapshotDialog::event(QEvent *pEvent)
82{
83 /* Handle know event types: */
84 switch (pEvent->type())
85 {
86 case QEvent::Show:
87 case QEvent::ScreenChangeInternal:
88 {
89 /* Update pixmap: */
90 updatePixmap();
91 break;
92 }
93 default:
94 break;
95 }
96
97 /* Call to base-class: */
98 return QIWithRetranslateUI<QIDialog>::event(pEvent);
99}
100
101void UITakeSnapshotDialog::retranslateUi()
102{
103 setWindowTitle(tr("Take Snapshot of Virtual Machine"));
104 m_pLabelName->setText(tr("Snapshot &Name"));
105 m_pLabelDescription->setText(tr("Snapshot &Description"));
106 m_pLabelInfo->setText(tr("Warning: You are taking a snapshot of a running machine which has %n immutable image(s) "
107 "attached to it. As long as you are working from this snapshot the immutable image(s) "
108 "will not be reset to avoid loss of data.", "", m_cImmutableMedia));
109}
110
111void UITakeSnapshotDialog::sltHandleNameChanged(const QString &strName)
112{
113 /* Update button state depending on snapshot name value: */
114 m_pButtonBox->button(QDialogButtonBox::Ok)->setEnabled(!strName.trimmed().isEmpty());
115}
116
117void UITakeSnapshotDialog::prepare()
118{
119 /* Prepare contents: */
120 prepareContents();
121
122 /* Apply language settings: */
123 retranslateUi();
124
125 /* Invent minimum size: */
126 QSize minimumSize;
127 const int iHostScreen = gpDesktop->screenNumber(parentWidget());
128 if (iHostScreen >= 0 && iHostScreen < gpDesktop->screenCount())
129 {
130 /* On the basis of current host-screen geometry if possible: */
131 const QRect screenGeometry = gpDesktop->screenGeometry(iHostScreen);
132 if (screenGeometry.isValid())
133 minimumSize = screenGeometry.size() / 4;
134 }
135 /* Fallback to default size if we failed: */
136 if (minimumSize.isNull())
137 minimumSize = QSize(800, 600);
138 /* Resize to initial size: */
139 setMinimumSize(minimumSize);
140}
141
142void UITakeSnapshotDialog::prepareContents()
143{
144 /* Create layout: */
145 QGridLayout *pLayout = new QGridLayout(this);
146 if (pLayout)
147 {
148 /* Configure layout: */
149#ifdef VBOX_WS_MAC
150 pLayout->setSpacing(20);
151 pLayout->setContentsMargins(40, 20, 40, 20);
152#else
153 pLayout->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing) * 2);
154#endif
155
156 /* Create sub-layout: */
157 QVBoxLayout *pSubLayout1 = new QVBoxLayout;
158 if (pSubLayout1)
159 {
160 /* Create icon label: */
161 m_pLabelIcon = new QLabel;
162 if (m_pLabelIcon)
163 {
164 /* Configure label: */
165 m_pLabelIcon->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
166
167 /* Add into layout: */
168 pSubLayout1->addWidget(m_pLabelIcon);
169 }
170
171 /* Add stretch: */
172 pSubLayout1->addStretch();
173
174 /* Add into layout: */
175 pLayout->addLayout(pSubLayout1, 0, 0, 2, 1);
176 }
177
178 /* Create sub-layout 2: */
179 QVBoxLayout *pSubLayout2 = new QVBoxLayout;
180 if (pSubLayout2)
181 {
182 /* Configure layout: */
183#ifdef VBOX_WS_MAC
184 pSubLayout2->setSpacing(5);
185#else
186 pSubLayout2->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
187#endif
188
189 /* Create name label: */
190 m_pLabelName = new QLabel;
191 if (m_pLabelName)
192 {
193 /* Add into layout: */
194 pSubLayout2->addWidget(m_pLabelName);
195 }
196
197 /* Create name editor: */
198 m_pEditorName = new QLineEdit;
199 if (m_pEditorName)
200 {
201 /* Configure editor: */
202 m_pLabelName->setBuddy(m_pEditorName);
203 connect(m_pEditorName, &QLineEdit::textChanged,
204 this, &UITakeSnapshotDialog::sltHandleNameChanged);
205
206 /* Add into layout: */
207 pSubLayout2->addWidget(m_pEditorName);
208 }
209
210 /* Add into layout: */
211 pLayout->addLayout(pSubLayout2, 0, 1);
212 }
213
214 /* Create sub-layout 3: */
215 QVBoxLayout *pSubLayout3 = new QVBoxLayout;
216 if (pSubLayout3)
217 {
218 /* Configure layout: */
219#ifdef VBOX_WS_MAC
220 pSubLayout3->setSpacing(5);
221#else
222 pSubLayout3->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
223#endif
224
225 /* Create description label: */
226 m_pLabelDescription = new QLabel;
227 if (m_pLabelDescription)
228 {
229 /* Add into layout: */
230 pSubLayout3->addWidget(m_pLabelDescription);
231 }
232
233 /* Create description editor: */
234 m_pEditorDescription = new QTextEdit;
235 if (m_pEditorDescription)
236 {
237 /* Configure editor: */
238 m_pLabelDescription->setBuddy(m_pEditorDescription);
239
240 /* Add into layout: */
241 pSubLayout3->addWidget(m_pEditorDescription);
242 }
243
244 /* Add into layout: */
245 pLayout->addLayout(pSubLayout3, 1, 1);
246 }
247
248 /* Create information label: */
249 m_pLabelInfo = new QILabel;
250 if (m_pLabelInfo)
251 {
252 /* Configure label: */
253 m_pLabelInfo->setWordWrap(true);
254 m_pLabelInfo->useSizeHintForWidth(400);
255
256 /* Calculate the amount of immutable attachments: */
257 if (m_comMachine.GetState() == KMachineState_Paused)
258 {
259 foreach (const CMediumAttachment &comAttachment, m_comMachine.GetMediumAttachments())
260 {
261 CMedium comMedium = comAttachment.GetMedium();
262 if ( !comMedium.isNull()
263 && !comMedium.GetParent().isNull()
264 && comMedium.GetBase().GetType() == KMediumType_Immutable)
265 ++m_cImmutableMedia;
266 }
267 }
268 /* Hide if machine have no immutable attachments: */
269 if (!m_cImmutableMedia)
270 m_pLabelInfo->setHidden(true);
271
272 /* Add into layout: */
273 pLayout->addWidget(m_pLabelInfo, 2, 0, 1, 2);
274 }
275
276 /* Create button-box: */
277 m_pButtonBox = new QIDialogButtonBox;
278 if (m_pButtonBox)
279 {
280 /* Configure button-box: */
281 m_pButtonBox->setStandardButtons( QDialogButtonBox::Ok
282 | QDialogButtonBox::Cancel
283 | QDialogButtonBox::Help);
284 connect(m_pButtonBox, &QIDialogButtonBox::accepted,
285 this, &UITakeSnapshotDialog::accept);
286 connect(m_pButtonBox, &QIDialogButtonBox::rejected,
287 this, &UITakeSnapshotDialog::reject);
288 connect(m_pButtonBox, &QIDialogButtonBox::helpRequested,
289 &msgCenter(), &UIMessageCenter::sltShowHelpHelpDialog);
290
291 /* Add into layout: */
292 pLayout->addWidget(m_pButtonBox, 3, 0, 1, 2);
293 }
294 }
295}
296
297void UITakeSnapshotDialog::updatePixmap()
298{
299 const int iIconMetric = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize);
300 m_pLabelIcon->setPixmap(m_icon.pixmap(windowHandle(), QSize(iIconMetric, iIconMetric)));
301}
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