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
|
/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "threadlistview.h"
#include "carddelegate.h"
#include "threadlistmodel.h"
#include <QMouseEvent>
#include <QPropertyAnimation>
#include <QScrollBar>
#include <QWheelEvent>
void ThreadListView::mousePressEvent(QMouseEvent *event)
{
const QModelIndex index = indexAt(event->pos());
// The message count IS the expander. Anything outside its rect selects the
// card and opens it, which is what the rest of the card is for.
if (event->button() == Qt::LeftButton && index.isValid()
&& index.data(ThreadListModel::MessageCountRole).toInt() > 0) {
QStyleOptionViewItem option;
initViewItemOption(&option);
option.rect = visualRect(index);
// State_Open decides which way the glyph points, and the rect is the
// same either way, but pass it so the layout sees the true state.
if (isExpanded(index))
option.state |= QStyle::State_Open;
if (CardDelegate::expanderRectFor(option, index)
.contains(event->pos())) {
setExpanded(index, !isExpanded(index));
// Swallowed, so expanding does not also load the thread into the
// message pane: it is a request to see the thread's shape, not to
// read it.
event->accept();
return;
}
}
QTreeView::mousePressEvent(event);
}
void ThreadListView::wheelEvent(QWheelEvent *event)
{
const int notches = event->angleDelta().y() / QWheelEvent::DefaultDeltasPerStep;
if (!event->pixelDelta().isNull() || event->modifiers() != Qt::NoModifier
|| notches == 0) {
// ponytail: a high-resolution wheel sending less than one notch per
// event falls through to the plain per-pixel scroll, unanimated.
QTreeView::wheelEvent(event);
return;
}
QScrollBar *bar = verticalScrollBar();
if (!m_glide) {
m_glide = new QPropertyAnimation(bar, "value", this);
m_glide->setDuration(160);
m_glide->setEasingCurve(QEasingCurve::OutCubic);
}
const bool gliding = m_glide->state() == QAbstractAnimation::Running;
const int from = gliding ? m_glide->endValue().toInt() : bar->value();
const int to = qBound(bar->minimum(), from - notches * bar->singleStep(),
bar->maximum());
m_glide->stop();
m_glide->setStartValue(bar->value());
m_glide->setEndValue(to);
m_glide->start();
event->accept();
}
|
