1 | /* |
2 | This file is part of the KDE Libraries |
3 | SPDX-FileCopyrightText: 2006 Tobias Koenig <tokoe@kde.org> |
4 | SPDX-FileCopyrightText: 2007 Rafael Fernández López <ereslibre@kde.org> |
5 | |
6 | SPDX-License-Identifier: LGPL-2.0-or-later |
7 | */ |
8 | |
9 | #ifndef KPAGEVIEW_P_H |
10 | #define KPAGEVIEW_P_H |
11 | |
12 | #include "kpageview.h" |
13 | |
14 | #include <QAbstractItemDelegate> |
15 | #include <QAbstractProxyModel> |
16 | #include <QGridLayout> |
17 | #include <QLineEdit> |
18 | #include <QListView> |
19 | #include <QPointer> |
20 | #include <QStackedWidget> |
21 | #include <QTimer> |
22 | #include <QToolBar> |
23 | #include <QTreeView> |
24 | #include <ktitlewidget.h> |
25 | |
26 | class KPageStackedWidget : public QStackedWidget |
27 | { |
28 | Q_OBJECT |
29 | public: |
30 | explicit KPageStackedWidget(QWidget *parent = nullptr) |
31 | : QStackedWidget(parent) |
32 | { |
33 | } |
34 | |
35 | void setMinimumSize(const QSize &size) |
36 | { |
37 | mMinimumSize = size; |
38 | } |
39 | |
40 | QSize minimumSizeHint() const override |
41 | { |
42 | return mMinimumSize.expandedTo(otherSize: QStackedWidget::minimumSizeHint()); |
43 | } |
44 | |
45 | private: |
46 | QSize mMinimumSize; |
47 | }; |
48 | |
49 | class KPageViewPrivate |
50 | { |
51 | Q_DECLARE_PUBLIC(KPageView) |
52 | |
53 | public: |
54 | virtual ~KPageViewPrivate() = default; |
55 | |
56 | protected: |
57 | KPageViewPrivate(KPageView *); |
58 | |
59 | KPageView *q_ptr; |
60 | |
61 | // data |
62 | QAbstractItemModel *model; |
63 | KPageView::FaceType faceType; |
64 | |
65 | // gui |
66 | QGridLayout *layout; |
67 | QToolBar *actionsToolBar; |
68 | KPageStackedWidget *stack; |
69 | KTitleWidget *titleWidget; |
70 | QWidget *defaultWidget; |
71 | QWidget *searchLineEditContainer; |
72 | QLineEdit *searchLineEdit; |
73 | QFrame *separatorLine; |
74 | QTimer searchTimer; |
75 | |
76 | QAbstractItemView *view; |
77 | |
78 | QPointer<QWidget> ; |
79 | QPointer<QWidget> ; |
80 | |
81 | void updateTitleWidget(const QModelIndex &index); |
82 | void updateActionsLayout(const QModelIndex &index, const QModelIndex &previous); |
83 | |
84 | void updateSelection(); |
85 | void cleanupPages(); |
86 | QList<QWidget *> collectPages(const QModelIndex &parent = QModelIndex()); |
87 | KPageView::FaceType detectAutoFace() const; |
88 | KPageView::FaceType effectiveFaceType() const; |
89 | |
90 | // private slots |
91 | void rebuildGui(); |
92 | void modelChanged(); |
93 | void dataChanged(const QModelIndex &, const QModelIndex &); |
94 | void pageSelected(const QItemSelection &, const QItemSelection &); |
95 | bool hasSearchableView() const; |
96 | |
97 | private: |
98 | void onSearchTextChanged(); |
99 | void init(); |
100 | |
101 | QMetaObject::Connection m_dataChangedConnection; |
102 | QMetaObject::Connection m_layoutChangedConnection; |
103 | QMetaObject::Connection m_selectionChangedConnection; |
104 | QList<class SearchMatchOverlay *> m_searchMatchOverlays; |
105 | }; |
106 | |
107 | namespace KDEPrivate |
108 | { |
109 | class KPageListViewDelegate; |
110 | class KPageListViewProxy; |
111 | |
112 | class KPagePlainView : public QAbstractItemView |
113 | { |
114 | Q_OBJECT |
115 | public: |
116 | explicit KPagePlainView(QWidget *parent = nullptr); |
117 | |
118 | QModelIndex indexAt(const QPoint &point) const override; |
119 | void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override; |
120 | QRect visualRect(const QModelIndex &index) const override; |
121 | |
122 | protected: |
123 | QModelIndex moveCursor(QAbstractItemView::CursorAction, Qt::KeyboardModifiers) override; |
124 | int horizontalOffset() const override; |
125 | int verticalOffset() const override; |
126 | bool isIndexHidden(const QModelIndex &) const override; |
127 | void setSelection(const QRect &, QFlags<QItemSelectionModel::SelectionFlag>) override; |
128 | QRegion visualRegionForSelection(const QItemSelection &) const override; |
129 | }; |
130 | |
131 | class KPageListView : public QListView |
132 | { |
133 | Q_OBJECT |
134 | |
135 | public: |
136 | explicit KPageListView(QWidget *parent = nullptr); |
137 | ~KPageListView() override; |
138 | |
139 | void setModel(QAbstractItemModel *model) override; |
140 | void setFlexibleWidth(bool flexibleWidth); |
141 | |
142 | protected: |
143 | void changeEvent(QEvent *event) override; |
144 | |
145 | private Q_SLOTS: |
146 | void updateWidth(); |
147 | |
148 | private: |
149 | bool m_flexibleWidth = false; |
150 | }; |
151 | |
152 | class KPageTreeView : public QTreeView |
153 | { |
154 | Q_OBJECT |
155 | |
156 | public: |
157 | explicit KPageTreeView(QWidget *parent = nullptr); |
158 | |
159 | void setModel(QAbstractItemModel *model) override; |
160 | |
161 | private Q_SLOTS: |
162 | void updateWidth(); |
163 | |
164 | private: |
165 | void expandItems(const QModelIndex &index = QModelIndex()); |
166 | }; |
167 | |
168 | class KPageTabbedView : public QAbstractItemView |
169 | { |
170 | Q_OBJECT |
171 | |
172 | public: |
173 | explicit KPageTabbedView(QWidget *parent = nullptr); |
174 | ~KPageTabbedView() override; |
175 | |
176 | void setModel(QAbstractItemModel *model) override; |
177 | |
178 | QModelIndex indexAt(const QPoint &point) const override; |
179 | void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override; |
180 | QRect visualRect(const QModelIndex &index) const override; |
181 | |
182 | QSize minimumSizeHint() const override; |
183 | |
184 | protected: |
185 | QModelIndex moveCursor(QAbstractItemView::CursorAction, Qt::KeyboardModifiers) override; |
186 | int horizontalOffset() const override; |
187 | int verticalOffset() const override; |
188 | bool isIndexHidden(const QModelIndex &) const override; |
189 | void setSelection(const QRect &, QFlags<QItemSelectionModel::SelectionFlag>) override; |
190 | QRegion visualRegionForSelection(const QItemSelection &) const override; |
191 | |
192 | private Q_SLOTS: |
193 | void currentPageChanged(int); |
194 | void layoutChanged(); |
195 | void dataChanged(const QModelIndex &, const QModelIndex &, const QList<int> &roles) override; |
196 | |
197 | private: |
198 | QTabWidget *mTabWidget; |
199 | }; |
200 | |
201 | class KPageListViewDelegate : public QAbstractItemDelegate |
202 | { |
203 | Q_OBJECT |
204 | |
205 | public: |
206 | explicit KPageListViewDelegate(QObject *parent = nullptr); |
207 | |
208 | void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override; |
209 | QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override; |
210 | |
211 | private: |
212 | void drawFocus(QPainter *, const QStyleOptionViewItem &, const QRect &) const; |
213 | }; |
214 | |
215 | /* |
216 | * We need this proxy model to map the leaves of a tree-like model |
217 | * to a one-level list model. |
218 | */ |
219 | class KPageListViewProxy : public QAbstractProxyModel |
220 | { |
221 | Q_OBJECT |
222 | |
223 | public: |
224 | explicit KPageListViewProxy(QObject *parent = nullptr); |
225 | ~KPageListViewProxy() override; |
226 | |
227 | int rowCount(const QModelIndex &parent = QModelIndex()) const override; |
228 | int columnCount(const QModelIndex &parent = QModelIndex()) const override; |
229 | QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override; |
230 | QModelIndex parent(const QModelIndex &) const override; |
231 | QVariant data(const QModelIndex &index, int role) const override; |
232 | QModelIndex mapFromSource(const QModelIndex &index) const override; |
233 | QModelIndex mapToSource(const QModelIndex &index) const override; |
234 | |
235 | public Q_SLOTS: |
236 | void rebuildMap(); |
237 | |
238 | private: |
239 | void addMapEntry(const QModelIndex &); |
240 | |
241 | QList<QModelIndex> mList; |
242 | }; |
243 | |
244 | class SelectionModel : public QItemSelectionModel |
245 | { |
246 | Q_OBJECT |
247 | |
248 | public: |
249 | SelectionModel(QAbstractItemModel *model, QObject *parent); |
250 | |
251 | public Q_SLOTS: |
252 | void clear() override; |
253 | void select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command) override; |
254 | void select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command) override; |
255 | }; |
256 | |
257 | } |
258 | |
259 | #endif |
260 | |