1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* Copyright (c) 2010-2012 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Roster/QtTreeWidget.h"
#include <boost/smart_ptr/make_shared.hpp>
#include <boost/bind.hpp>
#include <QUrl>
#include <Swiften/Base/Platform.h>
#include <Swift/Controllers/Roster/ContactRosterItem.h>
#include <Swift/Controllers/Roster/GroupRosterItem.h>
#include <Swift/Controllers/UIEvents/UIEventStream.h>
#include <Swift/Controllers/UIEvents/RequestChatUIEvent.h>
#include <Swift/Controllers/UIEvents/SendFileUIEvent.h>
#include <QtSwiftUtil.h>
#include <Swift/Controllers/Settings/SettingsProvider.h>
#include <Swift/QtUI/QtUISettingConstants.h>
namespace Swift {
QtTreeWidget::QtTreeWidget(UIEventStream* eventStream, SettingsProvider* settings, QWidget* parent) : QTreeView(parent) {
eventStream_ = eventStream;
settings_ = settings;
model_ = new RosterModel(this);
setModel(model_);
delegate_ = new RosterDelegate(this, settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
setItemDelegate(delegate_);
setHeaderHidden(true);
#ifdef SWIFT_PLATFORM_MACOSX
setAlternatingRowColors(true);
#endif
setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
expandAll();
setAnimated(true);
setIndentation(0);
#ifdef SWIFT_EXPERIMENTAL_FT
setAcceptDrops(true);
#endif
setRootIsDecorated(true);
connect(this, SIGNAL(activated(const QModelIndex&)), this, SLOT(handleItemActivated(const QModelIndex&)));
connect(model_, SIGNAL(itemExpanded(const QModelIndex&, bool)), this, SLOT(handleModelItemExpanded(const QModelIndex&, bool)));
connect(this, SIGNAL(expanded(const QModelIndex&)), this, SLOT(handleExpanded(const QModelIndex&)));
connect(this, SIGNAL(collapsed(const QModelIndex&)), this, SLOT(handleCollapsed(const QModelIndex&)));
connect(this, SIGNAL(clicked(const QModelIndex&)), this, SLOT(handleClicked(const QModelIndex&)));
settings_->onSettingChanged.connect(boost::bind(&QtTreeWidget::handleSettingChanged, this, _1));
}
QtTreeWidget::~QtTreeWidget() {
settings_->onSettingChanged.disconnect(boost::bind(&QtTreeWidget::handleSettingChanged, this, _1));
delete model_;
delete delegate_;
}
void QtTreeWidget::handleSettingChanged(const std::string& setting) {
if (setting == QtUISettingConstants::COMPACT_ROSTER.getKey()) {
delegate_->setCompact(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
repaint();
}
}
void QtTreeWidget::setRosterModel(Roster* roster) {
roster_ = roster;
model_->setRoster(roster);
expandAll();
}
QtTreeWidgetItem* QtTreeWidget::getRoot() {
return treeRoot_;
}
void QtTreeWidget::handleClicked(const QModelIndex& index) {
GroupRosterItem* item = dynamic_cast<GroupRosterItem*>(static_cast<RosterItem*>(index.internalPointer()));
if (item) {
setExpanded(index, !isExpanded(index));
}
currentChanged(index, QModelIndex());
}
QModelIndexList QtTreeWidget::getSelectedIndexes() const {
// Not using selectedIndexes(), because this seems to cause a crash in Qt (4.7.0) in the
// QModelIndexList destructor.
// This is a workaround posted in http://www.qtcentre.org/threads/16933 (although this case
// was resolved by linking against the debug libs, ours isn't, and we're not alone)
QItemSelection ranges = selectionModel()->selection();
QModelIndexList selectedIndexList;
for (int i = 0; i < ranges.count(); ++i) {
QModelIndex parent = ranges.at(i).parent();
int right = ranges.at(i).model()->columnCount(parent) - 1;
if (ranges.at(i).left() == 0 && ranges.at(i).right() == right) {
for (int r = ranges.at(i).top(); r <= ranges.at(i).bottom(); ++r) {
selectedIndexList.append(ranges.at(i).model()->index(r, 0, parent));
}
}
}
return selectedIndexList;
}
void QtTreeWidget::currentChanged(const QModelIndex& current, const QModelIndex& previous) {
RosterItem* item = NULL;
QModelIndexList selectedIndexList = getSelectedIndexes();
if (selectedIndexList.empty() || !selectedIndexList[0].isValid()) {
/* I didn't quite understand why using current didn't seem to work here.*/
}
else if (current.isValid()) {
item = static_cast<RosterItem*>(current.internalPointer());
item = dynamic_cast<ContactRosterItem*>(item);
}
onSomethingSelectedChanged(item);
QTreeView::currentChanged(current, previous);
}
void QtTreeWidget::handleItemActivated(const QModelIndex& index) {
RosterItem* item = static_cast<RosterItem*>(index.internalPointer());
ContactRosterItem* contact = dynamic_cast<ContactRosterItem*>(item);
if (contact) {
eventStream_->send(boost::shared_ptr<UIEvent>(new RequestChatUIEvent(contact->getJID())));
}
}
void QtTreeWidget::dragEnterEvent(QDragEnterEvent *event) {
if (event->mimeData()->hasUrls() && event->mimeData()->urls().size() == 1) {
event->acceptProposedAction();
}
}
void QtTreeWidget::dropEvent(QDropEvent *event) {
QModelIndex index = indexAt(event->pos());
if (index.isValid()) {
RosterItem* item = static_cast<RosterItem*>(index.internalPointer());
if (ContactRosterItem* contact = dynamic_cast<ContactRosterItem*>(item)) {
if (contact->supportsFeature(ContactRosterItem::FileTransferFeature)) {
QString filename = event->mimeData()->urls().at(0).toLocalFile();
if (!filename.isEmpty()) {
eventStream_->send(boost::make_shared<SendFileUIEvent>(contact->getJID(), Q2PSTRING(filename)));
}
}
}
}
}
void QtTreeWidget::dragMoveEvent(QDragMoveEvent* event) {
QModelIndex index = indexAt(event->pos());
if (index.isValid()) {
RosterItem* item = static_cast<RosterItem*>(index.internalPointer());
if (ContactRosterItem* contact = dynamic_cast<ContactRosterItem*>(item)) {
if (contact->supportsFeature(ContactRosterItem::FileTransferFeature)) {
event->accept();
return;
}
}
}
event->ignore();
}
void QtTreeWidget::handleExpanded(const QModelIndex& index) {
GroupRosterItem* item = dynamic_cast<GroupRosterItem*>(static_cast<RosterItem*>(index.internalPointer()));
if (item) {
item->setExpanded(true);
}
}
void QtTreeWidget::handleCollapsed(const QModelIndex& index) {
GroupRosterItem* item = dynamic_cast<GroupRosterItem*>(static_cast<RosterItem*>(index.internalPointer()));
if (item) {
item->setExpanded(false);
}
}
void QtTreeWidget::handleModelItemExpanded(const QModelIndex& index, bool shouldExpand) {
if (!index.isValid()) {
return;
}
bool alreadyRight = this->isExpanded(index) == shouldExpand;
if (alreadyRight) {
return;
}
setExpanded(index, shouldExpand);
}
void QtTreeWidget::drawBranches(QPainter*, const QRect&, const QModelIndex&) const {
}
void QtTreeWidget::show() {
QWidget::show();
}
}
|
