VirtualBox

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

Last change on this file since 100347 was 98103, checked in by vboxsync, 22 months ago

Copyright year updates by scm.

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1/* $Id: UIMediaComboBox.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIMediaComboBox 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 <QAbstractItemView>
30#include <QDir>
31#include <QFileInfo>
32
33/* GUI includes: */
34#include "UIMediaComboBox.h"
35#include "UIMedium.h"
36
37
38UIMediaComboBox::UIMediaComboBox(QWidget *pParent /* = 0 */)
39 : QComboBox(pParent)
40 , m_enmMediaType(UIMediumDeviceType_Invalid)
41 , m_uMachineId(QUuid())
42 , m_uLastItemId(QUuid())
43{
44 /* Prepare: */
45 prepare();
46}
47
48void UIMediaComboBox::refresh()
49{
50 /* Clearing lists: */
51 clear(), m_media.clear();
52
53 /* Use the medium creation handler to add all the items: */
54 foreach (const QUuid &uMediumId, uiCommon().mediumIDs())
55 sltHandleMediumCreated(uMediumId);
56
57 /* If at least one real medium present,
58 * remove null medium: */
59 if (count() > 1)
60 {
61 removeItem(0);
62 m_media.erase(m_media.begin());
63 }
64
65 /* Notify listeners about active item changed. */
66 emit activated(currentIndex());
67}
68
69void UIMediaComboBox::repopulate()
70{
71 /* Start medium-enumeration for optical drives/images (if necessary): */
72 if ( m_enmMediaType == UIMediumDeviceType_DVD
73 && !uiCommon().isFullMediumEnumerationRequested())
74 {
75 CMediumVector comMedia;
76 comMedia << uiCommon().host().GetDVDDrives();
77 comMedia << uiCommon().virtualBox().GetDVDImages();
78 uiCommon().enumerateMedia(comMedia);
79 }
80 refresh();
81}
82
83void UIMediaComboBox::setCurrentItem(const QUuid &uItemId)
84{
85 m_uLastItemId = uItemId;
86
87 int iIndex;
88 // WORKAROUND:
89 // Note that the media combo-box may be not populated here yet,
90 // so we don't assert..
91 if (findMediaIndex(uItemId, iIndex))
92 {
93 QComboBox::setCurrentIndex(iIndex);
94 emit activated(iIndex);
95 }
96}
97
98QUuid UIMediaComboBox::id(int iIndex /* = -1 */) const
99{
100 AssertReturn(iIndex == -1 ||
101 (iIndex >= 0 && iIndex < m_media.size()),
102 QUuid());
103
104 if (iIndex == -1)
105 iIndex = currentIndex();
106 return iIndex == -1 ? QUuid() : m_media.at(iIndex).id;
107}
108
109QString UIMediaComboBox::location(int iIndex /* = -1 */) const
110{
111 AssertReturn(iIndex == -1 ||
112 (iIndex >= 0 && iIndex < m_media.size()),
113 QString());
114
115 if (iIndex == -1)
116 iIndex = currentIndex();
117 return iIndex == -1 ? QString() : m_media.at(iIndex).location;
118}
119
120void UIMediaComboBox::sltHandleMediumCreated(const QUuid &uMediumId)
121{
122 /* Search for corresponding medium: */
123 UIMedium guiMedium = uiCommon().medium(uMediumId);
124
125 /* Ignore media (and their children) which are
126 * marked as hidden or attached to hidden machines only: */
127 if (UIMedium::isMediumAttachedToHiddenMachinesOnly(guiMedium))
128 return;
129
130 /* Add only 1. NULL medium and 2. media of required type: */
131 if (!guiMedium.isNull() && guiMedium.type() != m_enmMediaType)
132 return;
133
134 /* Ignore all diffs: */
135 if (guiMedium.type() == UIMediumDeviceType_HardDisk && guiMedium.parentID() != UIMedium::nullID())
136 return;
137
138 /* Append medium into combo-box: */
139 appendItem(guiMedium);
140
141 /* Activate the required item if any: */
142 if (guiMedium.id() == m_uLastItemId)
143 setCurrentItem(guiMedium.id());
144 /* Select last added item if there is no item selected: */
145 else if (currentText().isEmpty())
146 QComboBox::setCurrentIndex(count() - 1);
147}
148
149void UIMediaComboBox::sltHandleMediumEnumerated(const QUuid &uMediumId)
150{
151 /* Search for corresponding medium: */
152 UIMedium guiMedium = uiCommon().medium(uMediumId);
153
154 /* Add only 1. NULL medium and 2. media of required type: */
155 if (!guiMedium.isNull() && guiMedium.type() != m_enmMediaType)
156 return;
157
158 /* Search for corresponding item index: */
159 int iIndex;
160 if (!findMediaIndex(guiMedium.id(), iIndex))
161 return;
162
163 /* Replace medium in combo-box: */
164 replaceItem(iIndex, guiMedium);
165
166 /* Ensure the parent dialog handles the change of the selected item's data: */
167 emit activated(currentIndex());
168}
169
170void UIMediaComboBox::sltHandleMediumDeleted(const QUuid &uMediumId)
171{
172 /* Search for corresponding item index: */
173 int iIndex;
174 if (!findMediaIndex(uMediumId, iIndex))
175 return;
176
177 /* Replace medium from combo-box: */
178 removeItem(iIndex);
179 m_media.erase(m_media.begin() + iIndex);
180
181 /* If no real medium left, add the NULL medium: */
182 if (count() == 0)
183 sltHandleMediumCreated(UIMedium::nullID());
184
185 /* Ensure the parent dialog handles the change of the selected item: */
186 emit activated(currentIndex());
187}
188
189void UIMediaComboBox::sltHandleMediumEnumerationStart()
190{
191 refresh();
192}
193
194void UIMediaComboBox::sltHandleComboActivated(int iIndex)
195{
196 AssertReturnVoid(iIndex >= 0 && iIndex < m_media.size());
197
198 m_uLastItemId = m_media.at(iIndex).id;
199
200 updateToolTip(iIndex);
201}
202
203void UIMediaComboBox::sltHandleComboHovered(const QModelIndex &index)
204{
205 /* Set the combo-box item's tooltip: */
206 const int iIndex = index.row();
207 view()->viewport()->setToolTip(QString());
208 view()->viewport()->setToolTip(m_media.at(iIndex).toolTip);
209}
210
211void UIMediaComboBox::prepare()
212{
213 /* Setup the elide mode: */
214 view()->setTextElideMode(Qt::ElideRight);
215 QSizePolicy sp1(QSizePolicy::Ignored, QSizePolicy::Fixed, QSizePolicy::ComboBox);
216 sp1.setHorizontalStretch(2);
217 setSizePolicy(sp1);
218
219 /* Setup medium-processing handlers: */
220 connect(&uiCommon(), &UICommon::sigMediumCreated,
221 this, &UIMediaComboBox::sltHandleMediumCreated);
222 connect(&uiCommon(), &UICommon::sigMediumDeleted,
223 this, &UIMediaComboBox::sltHandleMediumDeleted);
224
225 /* Setup medium-enumeration handlers: */
226 connect(&uiCommon(), &UICommon::sigMediumEnumerationStarted,
227 this, &UIMediaComboBox::sltHandleMediumEnumerationStart);
228 connect(&uiCommon(), &UICommon::sigMediumEnumerated,
229 this, &UIMediaComboBox::sltHandleMediumEnumerated);
230
231 /* Setup other connections: */
232 connect(this, static_cast<void(UIMediaComboBox::*)(int)>(&UIMediaComboBox::activated),
233 this, &UIMediaComboBox::sltHandleComboActivated);
234 connect(view(), &QAbstractItemView::entered,
235 this, &UIMediaComboBox::sltHandleComboHovered);
236}
237
238void UIMediaComboBox::updateToolTip(int iIndex)
239{
240 /* Set the combo-box tooltip: */
241 setToolTip(QString());
242 if (iIndex >= 0 && iIndex < m_media.size())
243 setToolTip(m_media.at(iIndex).toolTip);
244}
245
246void UIMediaComboBox::appendItem(const UIMedium &guiMedium)
247{
248 m_media.append(Medium(guiMedium.id(), guiMedium.location(),
249 guiMedium.toolTipCheckRO(true, false)));
250
251 insertItem(count(), guiMedium.iconCheckRO(true), guiMedium.details(true));
252}
253
254void UIMediaComboBox::replaceItem(int iIndex, const UIMedium &guiMedium)
255{
256 AssertReturnVoid(iIndex >= 0 && iIndex < m_media.size());
257
258 m_media[iIndex].id = guiMedium.id();
259 m_media[iIndex].location = guiMedium.location();
260 m_media[iIndex].toolTip = guiMedium.toolTipCheckRO(true, false);
261
262 setItemText(iIndex, guiMedium.details(true));
263 setItemIcon(iIndex, guiMedium.iconCheckRO(true));
264
265 if (iIndex == currentIndex())
266 updateToolTip(iIndex);
267}
268
269bool UIMediaComboBox::findMediaIndex(const QUuid &uId, int &iIndex)
270{
271 iIndex = 0;
272
273 for (; iIndex < m_media.size(); ++ iIndex)
274 if (m_media.at(iIndex).id == uId)
275 break;
276
277 return iIndex < m_media.size();
278}
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