1 | /* |
2 | SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz@gmx.at> |
3 | |
4 | SPDX-License-Identifier: LGPL-2.0-only |
5 | */ |
6 | |
7 | #include "kdiroperatordetailview_p.h" |
8 | #include "kfileitemselectionemblem.h" |
9 | |
10 | #include <kdirlister.h> |
11 | #include <kdirmodel.h> |
12 | |
13 | #include <QApplication> |
14 | #include <QDragEnterEvent> |
15 | #include <QEvent> |
16 | #include <QHeaderView> |
17 | #include <QListView> |
18 | #include <QMimeData> |
19 | #include <QScrollBar> |
20 | |
21 | KDirOperatorDetailView::KDirOperatorDetailView(KDirOperator *dirOperator, QWidget *parent) |
22 | : QTreeView(parent) |
23 | , m_hideDetailColumns(false) |
24 | , m_isEmblemClicked(false) |
25 | , m_dirOperator(dirOperator) |
26 | { |
27 | setRootIsDecorated(false); |
28 | setSortingEnabled(true); |
29 | setUniformRowHeights(true); |
30 | setDragDropMode(QListView::DragOnly); |
31 | setSelectionBehavior(QAbstractItemView::SelectRows); |
32 | setEditTriggers(QAbstractItemView::NoEditTriggers); |
33 | setVerticalScrollMode(QListView::ScrollPerPixel); |
34 | setHorizontalScrollMode(QListView::ScrollPerPixel); |
35 | |
36 | const QFontMetrics metrics(viewport()->font()); |
37 | const int singleStep = metrics.height() * QApplication::wheelScrollLines(); |
38 | |
39 | verticalScrollBar()->setSingleStep(singleStep); |
40 | horizontalScrollBar()->setSingleStep(singleStep); |
41 | } |
42 | |
43 | KDirOperatorDetailView::~KDirOperatorDetailView() |
44 | { |
45 | } |
46 | |
47 | bool KDirOperatorDetailView::setViewMode(KFile::FileView viewMode) |
48 | { |
49 | bool tree = false; |
50 | |
51 | if (KFile::isDetailView(view: viewMode)) { |
52 | m_hideDetailColumns = false; |
53 | setAlternatingRowColors(true); |
54 | } else if (KFile::isTreeView(view: viewMode)) { |
55 | m_hideDetailColumns = true; |
56 | setAlternatingRowColors(false); |
57 | tree = true; |
58 | } else if (KFile::isDetailTreeView(view: viewMode)) { |
59 | m_hideDetailColumns = false; |
60 | setAlternatingRowColors(true); |
61 | tree = true; |
62 | } else { |
63 | return false; |
64 | } |
65 | |
66 | setRootIsDecorated(tree); |
67 | setItemsExpandable(tree); |
68 | // This allows to have a horizontal scrollbar in case this view is used as |
69 | // a plain treeview instead of cutting off filenames, especially useful when |
70 | // using KDirOperator in horizontally limited parts of an app. |
71 | if (tree && m_hideDetailColumns) { |
72 | header()->setSectionResizeMode(QHeaderView::ResizeToContents); |
73 | } else { |
74 | header()->setSectionResizeMode(QHeaderView::Interactive); |
75 | } |
76 | |
77 | return true; |
78 | } |
79 | |
80 | void KDirOperatorDetailView::initViewItemOption(QStyleOptionViewItem *option) const |
81 | { |
82 | QTreeView::initViewItemOption(option); |
83 | option->textElideMode = Qt::ElideMiddle; |
84 | } |
85 | |
86 | bool KDirOperatorDetailView::event(QEvent *event) |
87 | { |
88 | if (event->type() == QEvent::Polish) { |
89 | QHeaderView * = header(); |
90 | headerView->setSectionResizeMode(logicalIndex: 0, mode: QHeaderView::Stretch); |
91 | headerView->setSectionResizeMode(logicalIndex: 1, mode: QHeaderView::ResizeToContents); |
92 | headerView->setSectionResizeMode(logicalIndex: 2, mode: QHeaderView::ResizeToContents); |
93 | headerView->setStretchLastSection(false); |
94 | headerView->setSectionsMovable(false); |
95 | |
96 | setColumnHidden(column: KDirModel::Size, hide: m_hideDetailColumns); |
97 | setColumnHidden(column: KDirModel::ModifiedTime, hide: m_hideDetailColumns); |
98 | hideColumn(column: KDirModel::Type); |
99 | hideColumn(column: KDirModel::Permissions); |
100 | hideColumn(column: KDirModel::Owner); |
101 | hideColumn(column: KDirModel::Group); |
102 | } else if (event->type() == QEvent::UpdateRequest) { |
103 | // A wheel movement will scroll 4 items |
104 | if (model()->rowCount()) { |
105 | verticalScrollBar()->setSingleStep((sizeHintForRow(row: 0) / 3) * 4); |
106 | } |
107 | } |
108 | |
109 | return QTreeView::event(event); |
110 | } |
111 | |
112 | void KDirOperatorDetailView::dragEnterEvent(QDragEnterEvent *event) |
113 | { |
114 | if (event->mimeData()->hasUrls()) { |
115 | event->acceptProposedAction(); |
116 | } |
117 | } |
118 | |
119 | void KDirOperatorDetailView::mousePressEvent(QMouseEvent *event) |
120 | { |
121 | const QModelIndex index = indexAt(p: event->pos()); |
122 | // When selection emblem is clicked, select it and don't do anything else |
123 | m_isEmblemClicked = KFileItemSelectionEmblem(this, index, m_dirOperator).handleMousePressEvent(mousePos: event->pos()); |
124 | if (m_isEmblemClicked) { |
125 | return; |
126 | } |
127 | |
128 | QTreeView::mousePressEvent(event); |
129 | |
130 | if (!index.isValid() || (index.column() != KDirModel::Name)) { |
131 | const Qt::KeyboardModifiers modifiers = QApplication::keyboardModifiers(); |
132 | if (!(modifiers & Qt::ShiftModifier) && !(modifiers & Qt::ControlModifier)) { |
133 | clearSelection(); |
134 | } |
135 | } |
136 | } |
137 | |
138 | void KDirOperatorDetailView::mouseMoveEvent(QMouseEvent *event) |
139 | { |
140 | // Disallow selection dragging when emblem is clicked |
141 | if (m_isEmblemClicked) { |
142 | return; |
143 | } |
144 | QTreeView::mouseMoveEvent(event); |
145 | } |
146 | |
147 | void KDirOperatorDetailView::mouseReleaseEvent(QMouseEvent *event) |
148 | { |
149 | // Reset the emblem selection |
150 | if (m_isEmblemClicked) { |
151 | m_isEmblemClicked = false; |
152 | } |
153 | QTreeView::mouseReleaseEvent(event); |
154 | } |
155 | |
156 | void KDirOperatorDetailView::currentChanged(const QModelIndex ¤t, const QModelIndex &previous) |
157 | { |
158 | QTreeView::currentChanged(current, previous); |
159 | } |
160 | |
161 | #include "moc_kdiroperatordetailview_p.cpp" |
162 | |