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
|
#include "modlistview.h"
#include <widgetutility.h>
#include <QUrl>
#include <QMimeData>
#include <QProxyStyle>
#include "modlist.h"
#include "log.h"
class ModListProxyStyle : public QProxyStyle {
public:
using QProxyStyle::QProxyStyle;
void drawPrimitive(PrimitiveElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const override
{
if (element == QStyle::PE_IndicatorItemViewItemDrop)
{
QStyleOption opt(*option);
opt.rect.setLeft(0);
if (auto* view = qobject_cast<const QTreeView*>(widget)) {
opt.rect.setLeft(view->indentation());
opt.rect.setRight(widget->width());
}
QProxyStyle::drawPrimitive(element, &opt, painter, widget);
}
else {
QProxyStyle::drawPrimitive(element, option, painter, widget);
}
}
};
class ModListStyledItemDelegated : public QStyledItemDelegate
{
QTreeView* m_view;
public:
ModListStyledItemDelegated(QTreeView* view) :
QStyledItemDelegate(view), m_view(view) { }
using QStyledItemDelegate::QStyledItemDelegate;
void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override {
QStyleOptionViewItem opt(option);
if (index.column() == 0) {
if (!index.model()->hasChildren(index) && index.parent().isValid()) {
auto parentIndex = index.parent().data(ModList::IndexRole).toInt();
if (ModInfo::getByIndex(parentIndex)->isSeparator()) {
opt.rect.adjust(-m_view->indentation(), 0, 0, 0);
}
}
}
QStyledItemDelegate::paint(painter, opt, index);
}
};
ModListView::ModListView(QWidget* parent)
: QTreeView(parent)
, m_scrollbar(new ViewMarkingScrollBar(this->model(), this))
{
setVerticalScrollBar(m_scrollbar);
MOBase::setCustomizableColumns(this);
setAutoExpandDelay(1000);
setStyle(new ModListProxyStyle(style()));
setItemDelegate(new ModListStyledItemDelegated(this));
}
QRect ModListView::visualRect(const QModelIndex& index) const
{
QRect rect = QTreeView::visualRect(index);
if (index.isValid() && !index.model()->hasChildren(index) && index.parent().isValid()) {
auto parentIndex = index.parent().data(ModList::IndexRole).toInt();
if (ModInfo::getByIndex(parentIndex)->isSeparator()) {
rect.adjust(-indentation(), 0, 0, 0);
}
}
return rect;
}
void ModListView::setModel(QAbstractItemModel* model)
{
QTreeView::setModel(model);
setVerticalScrollBar(new ViewMarkingScrollBar(model, this));
}
QModelIndexList ModListView::selectedIndexes() const
{
return m_inDragMoveEvent ? QModelIndexList() : QTreeView::selectedIndexes();
}
void ModListView::dragEnterEvent(QDragEnterEvent* event)
{
emit dragEntered(event->mimeData());
QTreeView::dragEnterEvent(event);
}
void ModListView::dragMoveEvent(QDragMoveEvent* event)
{
if (autoExpandDelay() >= 0) {
m_openTimer.start(autoExpandDelay(), this);
}
// bypass QTreeView
m_inDragMoveEvent = true;
QAbstractItemView::dragMoveEvent(event);
m_inDragMoveEvent = false;
}
void ModListView::dropEvent(QDropEvent* event)
{
emit dropEntered(event->mimeData(), static_cast<DropPosition>(dropIndicatorPosition()));
m_inDragMoveEvent = true;
QTreeView::dropEvent(event);
m_inDragMoveEvent = false;
}
void ModListView::timerEvent(QTimerEvent* event)
{
if (event->timerId() == m_openTimer.timerId()) {
QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
if (state() == QAbstractItemView::DraggingState
&& viewport()->rect().contains(pos)) {
QModelIndex index = indexAt(pos);
setExpanded(index, true);
}
m_openTimer.stop();
}
else {
QTreeView::timerEvent(event);
}
}
|
