VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/UITakeSnapshotDialog.cpp@ 100347

Last change on this file since 100347 was 100075, checked in by vboxsync, 19 months ago

FE/Qt: bugref:10450: Qt6 compatibility bits for QIcon; Good old QIcon::pixmap taking QWindow is deprecated in Qt6; Reworking a lot of calls to use devicePixelRatio acquired beforehand.

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File size: 11.0 KB
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1/* $Id: UITakeSnapshotDialog.cpp 100075 2023-06-05 16:38:02Z 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#ifdef VBOX_IS_QT6_OR_LATER
35# include <QWindow>
36#endif
37
38/* GUI includes: */
39#include "QIDialogButtonBox.h"
40#include "QILabel.h"
41#include "VBoxUtils.h"
42#include "UICommon.h"
43#include "UIDesktopWidgetWatchdog.h"
44#include "UIHelpBrowserDialog.h"
45#include "UITakeSnapshotDialog.h"
46
47
48UITakeSnapshotDialog::UITakeSnapshotDialog(QWidget *pParent, ulong cImmutableMedia)
49 : QIWithRetranslateUI<QIDialog>(pParent)
50 , m_cImmutableMedia(cImmutableMedia)
51 , m_pLabelIcon(0)
52 , m_pLabelName(0), m_pEditorName(0)
53 , m_pLabelDescription(0), m_pEditorDescription(0)
54 , m_pLabelInfo(0)
55 , m_pButtonBox(0)
56{
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_pEditorName->setToolTip(tr("Holds the snapshot name"));
106 m_pLabelDescription->setText(tr("Snapshot &Description"));
107 m_pEditorDescription->setToolTip(tr("Holds the snapshot description"));
108 m_pLabelInfo->setText(tr("Warning: You are taking a snapshot of a running machine which has %n immutable image(s) "
109 "attached to it. As long as you are working from this snapshot the immutable image(s) "
110 "will not be reset to avoid loss of data.", "", m_cImmutableMedia));
111
112 if (m_pButtonBox)
113 {
114 m_pButtonBox->button(QDialogButtonBox::Ok)->setText(tr("Ok"));
115 m_pButtonBox->button(QDialogButtonBox::Cancel)->setText(tr("Cancel"));
116 m_pButtonBox->button(QDialogButtonBox::Help)->setText(tr("Help"));
117
118 m_pButtonBox->button(QDialogButtonBox::Ok)->setStatusTip(tr("Take Snapshot and close the dialog"));
119 m_pButtonBox->button(QDialogButtonBox::Cancel)->setStatusTip(tr("Close dialog without taking a snapshot"));
120 m_pButtonBox->button(QDialogButtonBox::Help)->setStatusTip(tr("Show dialog help"));
121
122 m_pButtonBox->button(QDialogButtonBox::Help)->setShortcut(QKeySequence::HelpContents);
123
124 if (m_pButtonBox->button(QDialogButtonBox::Ok)->shortcut().toString().isEmpty())
125 m_pButtonBox->button(QDialogButtonBox::Ok)->setToolTip(tr("Accept"));
126 else
127 m_pButtonBox->button(QDialogButtonBox::Ok)->setToolTip(tr("Accept (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Ok)->shortcut().toString()));
128
129 if (m_pButtonBox->button(QDialogButtonBox::Cancel)->shortcut().toString().isEmpty())
130 m_pButtonBox->button(QDialogButtonBox::Cancel)->setToolTip(tr("Cancel"));
131 else
132 m_pButtonBox->button(QDialogButtonBox::Cancel)->setToolTip(tr("Cancel (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Cancel)->shortcut().toString()));
133
134 if (m_pButtonBox->button(QDialogButtonBox::Help)->shortcut().toString().isEmpty())
135 m_pButtonBox->button(QDialogButtonBox::Help)->setToolTip(tr("Show Help"));
136 else
137 m_pButtonBox->button(QDialogButtonBox::Help)->setToolTip(tr("Show Help (%1)").arg(m_pButtonBox->button(QDialogButtonBox::Help)->shortcut().toString()));
138 }
139}
140
141void UITakeSnapshotDialog::sltHandleNameChanged(const QString &strName)
142{
143 /* Update button state depending on snapshot name value: */
144 m_pButtonBox->button(QDialogButtonBox::Ok)->setEnabled(!strName.trimmed().isEmpty());
145}
146
147void UITakeSnapshotDialog::prepare()
148{
149 /* Prepare contents: */
150 prepareContents();
151
152 /* Apply language settings: */
153 retranslateUi();
154
155 /* Invent minimum size: */
156 QSize minimumSize;
157 const int iHostScreen = UIDesktopWidgetWatchdog::screenNumber(parentWidget());
158 if (iHostScreen >= 0 && iHostScreen < UIDesktopWidgetWatchdog::screenCount())
159 {
160 /* On the basis of current host-screen geometry if possible: */
161 const QRect screenGeometry = gpDesktop->screenGeometry(iHostScreen);
162 if (screenGeometry.isValid())
163 minimumSize = screenGeometry.size() / 4;
164 }
165 /* Fallback to default size if we failed: */
166 if (minimumSize.isNull())
167 minimumSize = QSize(800, 600);
168 /* Resize to initial size: */
169 setMinimumSize(minimumSize);
170}
171
172void UITakeSnapshotDialog::prepareContents()
173{
174 /* Create layout: */
175 QGridLayout *pLayout = new QGridLayout(this);
176 if (pLayout)
177 {
178 /* Configure layout: */
179#ifdef VBOX_WS_MAC
180 pLayout->setSpacing(20);
181 pLayout->setContentsMargins(40, 20, 40, 20);
182#else
183 pLayout->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing) * 2);
184#endif
185
186 /* Create sub-layout: */
187 QVBoxLayout *pSubLayout1 = new QVBoxLayout;
188 if (pSubLayout1)
189 {
190 /* Create icon label: */
191 m_pLabelIcon = new QLabel;
192 if (m_pLabelIcon)
193 {
194 /* Configure label: */
195 m_pLabelIcon->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
196
197 /* Add into layout: */
198 pSubLayout1->addWidget(m_pLabelIcon);
199 }
200
201 /* Add stretch: */
202 pSubLayout1->addStretch();
203
204 /* Add into layout: */
205 pLayout->addLayout(pSubLayout1, 0, 0, 2, 1);
206 }
207
208 /* Create sub-layout 2: */
209 QVBoxLayout *pSubLayout2 = new QVBoxLayout;
210 if (pSubLayout2)
211 {
212 /* Configure layout: */
213#ifdef VBOX_WS_MAC
214 pSubLayout2->setSpacing(5);
215#else
216 pSubLayout2->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
217#endif
218
219 /* Create name label: */
220 m_pLabelName = new QLabel;
221 if (m_pLabelName)
222 {
223 /* Add into layout: */
224 pSubLayout2->addWidget(m_pLabelName);
225 }
226
227 /* Create name editor: */
228 m_pEditorName = new QLineEdit;
229 if (m_pEditorName)
230 {
231 /* Configure editor: */
232 m_pLabelName->setBuddy(m_pEditorName);
233 connect(m_pEditorName, &QLineEdit::textChanged,
234 this, &UITakeSnapshotDialog::sltHandleNameChanged);
235
236 /* Add into layout: */
237 pSubLayout2->addWidget(m_pEditorName);
238 }
239
240 /* Add into layout: */
241 pLayout->addLayout(pSubLayout2, 0, 1);
242 }
243
244 /* Create sub-layout 3: */
245 QVBoxLayout *pSubLayout3 = new QVBoxLayout;
246 if (pSubLayout3)
247 {
248 /* Configure layout: */
249#ifdef VBOX_WS_MAC
250 pSubLayout3->setSpacing(5);
251#else
252 pSubLayout3->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) / 2);
253#endif
254
255 /* Create description label: */
256 m_pLabelDescription = new QLabel;
257 if (m_pLabelDescription)
258 {
259 /* Add into layout: */
260 pSubLayout3->addWidget(m_pLabelDescription);
261 }
262
263 /* Create description editor: */
264 m_pEditorDescription = new QTextEdit;
265 if (m_pEditorDescription)
266 {
267 /* Configure editor: */
268 m_pLabelDescription->setBuddy(m_pEditorDescription);
269
270 /* Add into layout: */
271 pSubLayout3->addWidget(m_pEditorDescription);
272 }
273
274 /* Add into layout: */
275 pLayout->addLayout(pSubLayout3, 1, 1);
276 }
277
278 /* Create information label: */
279 m_pLabelInfo = new QILabel;
280 if (m_pLabelInfo)
281 {
282 /* Configure label: */
283 m_pLabelInfo->setWordWrap(true);
284 m_pLabelInfo->useSizeHintForWidth(400);
285
286 /* Hide if machine have no immutable attachments: */
287 if (!m_cImmutableMedia)
288 m_pLabelInfo->setHidden(true);
289
290 /* Add into layout: */
291 pLayout->addWidget(m_pLabelInfo, 2, 0, 1, 2);
292 }
293
294 /* Create button-box: */
295 m_pButtonBox = new QIDialogButtonBox;
296 if (m_pButtonBox)
297 {
298 /* Configure button-box: */
299 m_pButtonBox->setStandardButtons( QDialogButtonBox::Ok
300 | QDialogButtonBox::Cancel
301 | QDialogButtonBox::Help);
302 connect(m_pButtonBox, &QIDialogButtonBox::accepted,
303 this, &UITakeSnapshotDialog::accept);
304 connect(m_pButtonBox, &QIDialogButtonBox::rejected,
305 this, &UITakeSnapshotDialog::reject);
306 connect(m_pButtonBox->button(QIDialogButtonBox::Help), &QPushButton::pressed,
307 m_pButtonBox, &QIDialogButtonBox::sltHandleHelpRequest);
308 m_pButtonBox->button(QDialogButtonBox::Help)->setShortcut(QKeySequence::HelpContents);
309 uiCommon().setHelpKeyword(m_pButtonBox->button(QIDialogButtonBox::Help), "snapshots");
310
311 /* Add into layout: */
312 pLayout->addWidget(m_pButtonBox, 3, 0, 1, 2);
313 }
314 }
315}
316
317void UITakeSnapshotDialog::updatePixmap()
318{
319 const int iIconMetric = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize);
320#ifndef VBOX_IS_QT6_OR_LATER /* QIcon::pixmap taking QWindow is deprecated in Qt6 */
321 m_pLabelIcon->setPixmap(m_icon.pixmap(windowHandle(), QSize(iIconMetric, iIconMetric)));
322#else
323 const qreal fDevicePixelRatio = windowHandle() ? windowHandle()->devicePixelRatio() : 1;
324 m_pLabelIcon->setPixmap(m_icon.pixmap(QSize(iIconMetric, iIconMetric), fDevicePixelRatio));
325#endif
326}
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