summaryrefslogtreecommitdiffstats
blob: 8c46e38e8cc2632c61347fc2fcbaf4fe3298d868 (plain)
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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
/*
 * Copyright (c) 2013 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

/*
 * Copyright (c) 2014-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swift/QtUI/UserSearch/QtSuggestingJIDInput.h>

#include <boost/bind.hpp>
#include <boost/signals2.hpp>

#include <QAbstractItemView>
#include <QApplication>
#include <QDesktopWidget>
#include <QKeyEvent>
#include <QtGlobal>

#include <Swift/Controllers/Settings/SettingsProvider.h>

#include <Swift/QtUI/QtSwiftUtil.h>
#include <Swift/QtUI/QtUISettingConstants.h>
#include <Swift/QtUI/UserSearch/ContactListDelegate.h>
#include <Swift/QtUI/UserSearch/ContactListModel.h>

namespace Swift {

QtSuggestingJIDInput::QtSuggestingJIDInput(QWidget* parent, SettingsProvider* settings) : QLineEdit(parent), settings_(settings) {
    treeViewPopup_ = new QTreeView();
    treeViewPopup_->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint);
    //treeViewPopup_->setAttribute(Qt::WA_ShowWithoutActivating);
    treeViewPopup_->setAlternatingRowColors(true);
    treeViewPopup_->setIndentation(0);
    treeViewPopup_->setHeaderHidden(true);
    treeViewPopup_->setExpandsOnDoubleClick(false);
    treeViewPopup_->setItemsExpandable(false);
    treeViewPopup_->setSelectionMode(QAbstractItemView::SingleSelection);
    treeViewPopup_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    treeViewPopup_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    QSizePolicy policy(treeViewPopup_->sizePolicy());
    policy.setVerticalPolicy(QSizePolicy::Expanding);
    treeViewPopup_->setSizePolicy(policy);
    treeViewPopup_->hide();
    treeViewPopup_->setFocusProxy(this);
    connect(treeViewPopup_, SIGNAL(clicked(QModelIndex)), this, SLOT(handleClicked(QModelIndex)));
    connect(treeViewPopup_, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(handleClicked(QModelIndex)));

    contactListModel_ = new ContactListModel(false);
    treeViewPopup_->setModel(contactListModel_);

    contactListDelegate_ = new ContactListDelegate(settings->getSetting(QtUISettingConstants::COMPACT_ROSTER));
    treeViewPopup_->setItemDelegate(contactListDelegate_);

    settings_->onSettingChanged.connect(boost::bind(&QtSuggestingJIDInput::handleSettingsChanged, this, _1));
}

QtSuggestingJIDInput::~QtSuggestingJIDInput() {
    settings_->onSettingChanged.disconnect(boost::bind(&QtSuggestingJIDInput::handleSettingsChanged, this, _1));
    delete treeViewPopup_;
    delete contactListDelegate_;
    delete contactListModel_;
}

Contact::ref QtSuggestingJIDInput::getContact() {
    if (!!currentContact_) {
        return currentContact_;
    }

    if (!text().isEmpty()) {
        JID jid(Q2PSTRING(text()));
        if (jid.isValid()) {
            Contact::ref manualContact = std::make_shared<Contact>();
            manualContact->name = jid.toString();
            manualContact->jid = jid;
            return manualContact;
        }
    }
    return std::shared_ptr<Contact>();
}

void QtSuggestingJIDInput::setSuggestions(const std::vector<Contact::ref>& suggestions) {
    contactListModel_->setList(suggestions);
    positionPopup();
    if (!suggestions.empty()) {
        treeViewPopup_->setCurrentIndex(contactListModel_->index(0, 0));
        showPopup();
    } else {
        currentContact_.reset();
        hidePopup();
    }
}

void QtSuggestingJIDInput::clear() {
    setText("");
    currentContact_.reset();
}

void QtSuggestingJIDInput::keyPressEvent(QKeyEvent* event) {
    if (event->key() == Qt::Key_Up) {
        if (contactListModel_->rowCount() > 0) {
            int row = treeViewPopup_->currentIndex().row();
            row = (row + contactListModel_->rowCount() - 1) % contactListModel_->rowCount();
            treeViewPopup_->setCurrentIndex(contactListModel_->index(row, 0));
        }
    } else if (event->key() == Qt::Key_Down) {
        if (contactListModel_->rowCount() > 0) {
            int row = treeViewPopup_->currentIndex().row();
            row = (row + contactListModel_->rowCount() + 1) % contactListModel_->rowCount();
            treeViewPopup_->setCurrentIndex(contactListModel_->index(row, 0));
        }
    } else if (event->key() == Qt::Key_Return && treeViewPopup_->isVisible()) {
        QModelIndex index = treeViewPopup_->currentIndex();
        if (!contactListModel_->getList().empty() && index.isValid()) {
            currentContact_ = contactListModel_->getContact(index.row());
            if (currentContact_->jid.isValid()) {
                setText(P2QSTRING(currentContact_->jid.toString()));
            } else {
                setText(P2QSTRING(currentContact_->name));
            }
            hidePopup();
            clearFocus();
        } else {
            currentContact_.reset();
        }
        editingDone();
    } else {
        QLineEdit::keyPressEvent(event);
    }
}

void QtSuggestingJIDInput::hideEvent(QHideEvent* /* event */) {
    // Hide our popup when we are hidden (can happen when a dialog is closed by the user).
    treeViewPopup_->hide();
}

void QtSuggestingJIDInput::handleApplicationFocusChanged(QWidget* /*old*/, QWidget* /*now*/) {
    /* Using the now argument gives use the wrong widget. This is part of the code needed
       to prevent stealing of focus when opening a the suggestion window. */
    QWidget* now = qApp->focusWidget();
    if (!now || (now != treeViewPopup_ && now != this && !now->isAncestorOf(this) && !now->isAncestorOf(treeViewPopup_) && !this->isAncestorOf(now) && !treeViewPopup_->isAncestorOf(now))) {
        hidePopup();
    }
}

void QtSuggestingJIDInput::handleSettingsChanged(const std::string& setting) {
    if (setting == QtUISettingConstants::COMPACT_ROSTER.getKey()) {
        contactListDelegate_->setCompact(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
    }
}

void QtSuggestingJIDInput::handleClicked(const QModelIndex& index) {
    if (index.isValid()) {
        currentContact_ = contactListModel_->getContact(index.row());
        onUserSelected(currentContact_);
        hidePopup();
    }
}

void QtSuggestingJIDInput::positionPopup() {
    QDesktopWidget* desktop = QApplication::desktop();
    int screen = desktop->screenNumber(this);
    QPoint point = mapToGlobal(QPoint(0, height()));
    QRect geometry = desktop->availableGeometry(screen);
    int x = point.x();
    int y = point.y();
    int width = this->width();
    int height = 80;

    int screenWidth = geometry.x() + geometry.width();
    if (x + width > screenWidth) {
        x = screenWidth - width;
    }

    height = treeViewPopup_->sizeHintForRow(0) * contactListModel_->rowCount();
    height = height > 200 ? 200 : height;

    int marginLeft;
    int marginTop;
    int marginRight;
    int marginBottom;
    treeViewPopup_->getContentsMargins(&marginLeft, &marginTop, &marginRight, &marginBottom);
    height += marginTop + marginBottom;
    width += marginLeft + marginRight;

    treeViewPopup_->setGeometry(x, y, width, height);
    treeViewPopup_->move(x, y);
    treeViewPopup_->setMaximumWidth(width);
}

void QtSuggestingJIDInput::showPopup() {
    treeViewPopup_->show();
    activateWindow();
    connect(qApp, SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(handleApplicationFocusChanged(QWidget*, QWidget*)), Qt::QueuedConnection);
    setFocus();
}

void QtSuggestingJIDInput::hidePopup() {
    disconnect(qApp, SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(handleApplicationFocusChanged(QWidget*, QWidget*)));
    treeViewPopup_->hide();

    // Give focus back to input widget because the hide() call passes the focus to the wrong widget.
    setFocus();
#if defined(Q_WS_MAC)
    // This workaround is needed on OS X, to bring the dialog containing this widget back to the front after
    // the popup is hidden. Ubuntu 16.04 and Windows 8 do not have this issue.
    window()->raise();
#endif
}

}