UITakeSnapshotDialog.cpp@ 98103

Last change on this file since 98103 was 98103, checked in by vboxsync, 21 months ago
Copyright year updates by scm.
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1	/* $Id: UITakeSnapshotDialog.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - UITakeSnapshotDialog class implementation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	/* Qt includes: */
29	#include <QGridLayout>
30	#include <QLabel>
31	#include <QLineEdit>
32	#include <QPushButton>
33	#include <QStyle>
34
35	/* GUI includes: */
36	#include "QIDialogButtonBox.h"
37	#include "QILabel.h"
38	#include "VBoxUtils.h"
39	#include "UICommon.h"
40	#include "UIDesktopWidgetWatchdog.h"
41	#include "UIMessageCenter.h"
42	#include "UITakeSnapshotDialog.h"
43
44	/* COM includes: */
45	#include "COMEnums.h"
46	#include "CMachine.h"
47	#include "CMedium.h"
48	#include "CMediumAttachment.h"
49
50
51	UITakeSnapshotDialog::UITakeSnapshotDialog(QWidget *pParent, const CMachine &comMachine)
52	: QIWithRetranslateUI<QIDialog>(pParent)
53	, m_comMachine(comMachine)
54	, m_cImmutableMedia(0)
55	, m_pLabelIcon(0)
56	, m_pLabelName(0), m_pEditorName(0)
57	, m_pLabelDescription(0), m_pEditorDescription(0)
58	, m_pLabelInfo(0)
59	, m_pButtonBox(0)
60	{
61	/* Prepare: */
62	prepare();
63	}
64
65	void UITakeSnapshotDialog::setIcon(const QIcon &icon)
66	{
67	m_icon = icon;
68	updatePixmap();
69	}
70
71	void UITakeSnapshotDialog::setName(const QString &strName)
72	{
73	m_pEditorName->setText(strName);
74	}
75
76	QString UITakeSnapshotDialog::name() const
77	{
78	return m_pEditorName->text();
79	}
80
81	QString UITakeSnapshotDialog::description() const
82	{
83	return m_pEditorDescription->toPlainText();
84	}
85
86	bool UITakeSnapshotDialog::event(QEvent *pEvent)
87	{
88	/* Handle know event types: */
89	switch (pEvent->type())
90	{
91	case QEvent::Show:
92	case QEvent::ScreenChangeInternal:
93	{
94	/* Update pixmap: */
95	updatePixmap();
96	break;
97	}
98	default:
99	break;
100	}
101
102	/* Call to base-class: */
103	return QIWithRetranslateUI<QIDialog>::event(pEvent);
104	}
105
106	void UITakeSnapshotDialog::retranslateUi()
107	{
108	setWindowTitle(tr("Take Snapshot of Virtual Machine"));
109	m_pLabelName->setText(tr("Snapshot &Name"));
110	m_pEditorName->setToolTip(tr("Holds the snapshot name"));
111	m_pLabelDescription->setText(tr("Snapshot &Description"));
112	m_pEditorDescription->setToolTip(tr("Holds the snapshot description"));
113	m_pLabelInfo->setText(tr("Warning: You are taking a snapshot of a running machine which has %n immutable image(s) "
114	"attached to it. As long as you are working from this snapshot the immutable image(s) "
115	"will not be reset to avoid loss of data.", "", m_cImmutableMedia));
116
117	if (m_pButtonBox)
118	{
119	m_pButtonBox->button(QDialogButtonBox::Ok)->setText(tr("Ok"));
120	m_pButtonBox->button(QDialogButtonBox::Cancel)->setText(tr("Cancel"));
121	m_pButtonBox->button(QDialogButtonBox::Help)->setText(tr("Help"));
122
123	m_pButtonBox->button(QDialogButtonBox::Ok)->setStatusTip(tr("Take Snapshot and close the dialog"));
124	m_pButtonBox->button(QDialogButtonBox::Cancel)->setStatusTip(tr("Close dialog without taking a snapshot"));
125	m_pButtonBox->button(QDialogButtonBox::Help)->setStatusTip(tr("Show dialog help"));
126
127	m_pButtonBox->button(QDialogButtonBox::Help)->setShortcut(QKeySequence::HelpContents);
128
129	if (m_pButtonBox->button(QDialogButtonBox::Ok)->shortcut().toString().isEmpty())
130	m_pButtonBox->button(QDialogButtonBox::Ok)->setToolTip(tr("Accept"));
131	else
132	m_pButtonBox->button(QDialogButtonBox::Ok)->setToolTip(tr("Accept (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Ok)->shortcut().toString()));
133
134	if (m_pButtonBox->button(QDialogButtonBox::Cancel)->shortcut().toString().isEmpty())
135	m_pButtonBox->button(QDialogButtonBox::Cancel)->setToolTip(tr("Cancel"));
136	else
137	m_pButtonBox->button(QDialogButtonBox::Cancel)->setToolTip(tr("Cancel (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Cancel)->shortcut().toString()));
138
139	if (m_pButtonBox->button(QDialogButtonBox::Help)->shortcut().toString().isEmpty())
140	m_pButtonBox->button(QDialogButtonBox::Help)->setToolTip(tr("Show Help"));
141	else
142	m_pButtonBox->button(QDialogButtonBox::Help)->setToolTip(tr("Show Help (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Help)->shortcut().toString()));
143	}
144	}
145
146	void UITakeSnapshotDialog::sltHandleNameChanged(const QString &strName)
147	{
148	/* Update button state depending on snapshot name value: */
149	m_pButtonBox->button(QDialogButtonBox::Ok)->setEnabled(!strName.trimmed().isEmpty());
150	}
151
152	void UITakeSnapshotDialog::prepare()
153	{
154	/* Prepare contents: */
155	prepareContents();
156
157	/* Apply language settings: */
158	retranslateUi();
159
160	/* Invent minimum size: */
161	QSize minimumSize;
162	const int iHostScreen = UIDesktopWidgetWatchdog::screenNumber(parentWidget());
163	if (iHostScreen >= 0 && iHostScreen < UIDesktopWidgetWatchdog::screenCount())
164	{
165	/* On the basis of current host-screen geometry if possible: */
166	const QRect screenGeometry = gpDesktop->screenGeometry(iHostScreen);
167	if (screenGeometry.isValid())
168	minimumSize = screenGeometry.size() / 4;
169	}
170	/* Fallback to default size if we failed: */
171	if (minimumSize.isNull())
172	minimumSize = QSize(800, 600);
173	/* Resize to initial size: */
174	setMinimumSize(minimumSize);
175	}
176
177	void UITakeSnapshotDialog::prepareContents()
178	{
179	/* Create layout: */
180	QGridLayout *pLayout = new QGridLayout(this);
181	if (pLayout)
182	{
183	/* Configure layout: */
184	#ifdef VBOX_WS_MAC
185	pLayout->setSpacing(20);
186	pLayout->setContentsMargins(40, 20, 40, 20);
187	#else
188	pLayout->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing) * 2);
189	#endif
190
191	/* Create sub-layout: */
192	QVBoxLayout *pSubLayout1 = new QVBoxLayout;
193	if (pSubLayout1)
194	{
195	/* Create icon label: */
196	m_pLabelIcon = new QLabel;
197	if (m_pLabelIcon)
198	{
199	/* Configure label: */
200	m_pLabelIcon->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
201
202	/* Add into layout: */
203	pSubLayout1->addWidget(m_pLabelIcon);
204	}
205
206	/* Add stretch: */
207	pSubLayout1->addStretch();
208
209	/* Add into layout: */
210	pLayout->addLayout(pSubLayout1, 0, 0, 2, 1);
211	}
212
213	/* Create sub-layout 2: */
214	QVBoxLayout *pSubLayout2 = new QVBoxLayout;
215	if (pSubLayout2)
216	{
217	/* Configure layout: */
218	#ifdef VBOX_WS_MAC
219	pSubLayout2->setSpacing(5);
220	#else
221	pSubLayout2->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
222	#endif
223
224	/* Create name label: */
225	m_pLabelName = new QLabel;
226	if (m_pLabelName)
227	{
228	/* Add into layout: */
229	pSubLayout2->addWidget(m_pLabelName);
230	}
231
232	/* Create name editor: */
233	m_pEditorName = new QLineEdit;
234	if (m_pEditorName)
235	{
236	/* Configure editor: */
237	m_pLabelName->setBuddy(m_pEditorName);
238	connect(m_pEditorName, &QLineEdit::textChanged,
239	this, &UITakeSnapshotDialog::sltHandleNameChanged);
240
241	/* Add into layout: */
242	pSubLayout2->addWidget(m_pEditorName);
243	}
244
245	/* Add into layout: */
246	pLayout->addLayout(pSubLayout2, 0, 1);
247	}
248
249	/* Create sub-layout 3: */
250	QVBoxLayout *pSubLayout3 = new QVBoxLayout;
251	if (pSubLayout3)
252	{
253	/* Configure layout: */
254	#ifdef VBOX_WS_MAC
255	pSubLayout3->setSpacing(5);
256	#else
257	pSubLayout3->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
258	#endif
259
260	/* Create description label: */
261	m_pLabelDescription = new QLabel;
262	if (m_pLabelDescription)
263	{
264	/* Add into layout: */
265	pSubLayout3->addWidget(m_pLabelDescription);
266	}
267
268	/* Create description editor: */
269	m_pEditorDescription = new QTextEdit;
270	if (m_pEditorDescription)
271	{
272	/* Configure editor: */
273	m_pLabelDescription->setBuddy(m_pEditorDescription);
274
275	/* Add into layout: */
276	pSubLayout3->addWidget(m_pEditorDescription);
277	}
278
279	/* Add into layout: */
280	pLayout->addLayout(pSubLayout3, 1, 1);
281	}
282
283	/* Create information label: */
284	m_pLabelInfo = new QILabel;
285	if (m_pLabelInfo)
286	{
287	/* Configure label: */
288	m_pLabelInfo->setWordWrap(true);
289	m_pLabelInfo->useSizeHintForWidth(400);
290
291	/* Calculate the amount of immutable attachments: */
292	if (m_comMachine.GetState() == KMachineState_Paused)
293	{
294	foreach (const CMediumAttachment &comAttachment, m_comMachine.GetMediumAttachments())
295	{
296	CMedium comMedium = comAttachment.GetMedium();
297	if ( !comMedium.isNull()
298	&& !comMedium.GetParent().isNull()
299	&& comMedium.GetBase().GetType() == KMediumType_Immutable)
300	++m_cImmutableMedia;
301	}
302	}
303	/* Hide if machine have no immutable attachments: */
304	if (!m_cImmutableMedia)
305	m_pLabelInfo->setHidden(true);
306
307	/* Add into layout: */
308	pLayout->addWidget(m_pLabelInfo, 2, 0, 1, 2);
309	}
310
311	/* Create button-box: */
312	m_pButtonBox = new QIDialogButtonBox;
313	if (m_pButtonBox)
314	{
315	/* Configure button-box: */
316	m_pButtonBox->setStandardButtons( QDialogButtonBox::Ok
317	\| QDialogButtonBox::Cancel
318	\| QDialogButtonBox::Help);
319	connect(m_pButtonBox, &QIDialogButtonBox::accepted,
320	this, &UITakeSnapshotDialog::accept);
321	connect(m_pButtonBox, &QIDialogButtonBox::rejected,
322	this, &UITakeSnapshotDialog::reject);
323	connect(m_pButtonBox->button(QIDialogButtonBox::Help), &QPushButton::pressed,
324	&(msgCenter()), &UIMessageCenter::sltHandleHelpRequest);
325	m_pButtonBox->button(QDialogButtonBox::Help)->setShortcut(QKeySequence::HelpContents);
326	uiCommon().setHelpKeyword(m_pButtonBox->button(QIDialogButtonBox::Help), "snapshots");
327	/* Add into layout: */
328	pLayout->addWidget(m_pButtonBox, 3, 0, 1, 2);
329	}
330	}
331	}
332
333	void UITakeSnapshotDialog::updatePixmap()
334	{
335	const int iIconMetric = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize);
336	m_pLabelIcon->setPixmap(m_icon.pixmap(windowHandle(), QSize(iIconMetric, iIconMetric)));
337	}

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/UITakeSnapshotDialog.cpp@ 98103

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