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Import KCategorizedView from KItemViews

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Craig Drummond
2018-02-28 20:54:01 +00:00
parent 578e3624b8
commit 59f92ec686
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3rdparty/kcategorizedview/CMakeLists.txt vendored Normal file
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cmake_minimum_required(VERSION 2.6)
set(KCAT_SOURCES
kcategorizedsortfilterproxymodel.cpp
kcategorizedview.cpp
kcategorydrawer.cpp
)
#set(KCAT_MOC_HEADERS
# kcategorizedview.h
# kcategorydrawer.h
#)
include_directories( ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${QTINCLUDES} )
#QT5_WRAP_CPP(KCAT_SOURCES_MOC ${KCAT_MOC_HEADERS})
add_definitions(-DKITEMVIEWS_NO_DEPRECATED)
ADD_LIBRARY(kcategorizedviews STATIC
${KCAT_SOURCES}
#${KCAT_SOURCES_MOC}
)

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NOTE! The GPL below is copyrighted by the Free Software Foundation, but
the instance of code that it refers to (the kde programs) are copyrighted
by the authors who actually wrote it.
---------------------------------------------------------------------------
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
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When we speak of free software, we are referring to freedom, not
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To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
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you have. You must make sure that they, too, receive or can get the
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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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Everyone is permitted to copy and distribute verbatim copies
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/**
* This file is part of the KDE project
* Copyright (C) 2007 Rafael Fernández López <ereslibre@kde.org>
* Copyright (C) 2007 John Tapsell <tapsell@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kcategorizedsortfilterproxymodel.h"
#include "kcategorizedsortfilterproxymodel_p.h"
#include <QItemSelection>
#include <QStringList>
#include <QSize>
#include <QCollator>
KCategorizedSortFilterProxyModel::KCategorizedSortFilterProxyModel(QObject *parent)
: QSortFilterProxyModel(parent)
, d(new KCategorizedSortFilterProxyModelPrivate())
{
}
KCategorizedSortFilterProxyModel::~KCategorizedSortFilterProxyModel()
{
delete d;
}
void KCategorizedSortFilterProxyModel::sort(int column, Qt::SortOrder order)
{
d->sortColumn = column;
d->sortOrder = order;
QSortFilterProxyModel::sort(column, order);
}
bool KCategorizedSortFilterProxyModel::isCategorizedModel() const
{
return d->categorizedModel;
}
void KCategorizedSortFilterProxyModel::setCategorizedModel(bool categorizedModel)
{
if (categorizedModel == d->categorizedModel) {
return;
}
d->categorizedModel = categorizedModel;
invalidate();
}
int KCategorizedSortFilterProxyModel::sortColumn() const
{
return d->sortColumn;
}
Qt::SortOrder KCategorizedSortFilterProxyModel::sortOrder() const
{
return d->sortOrder;
}
void KCategorizedSortFilterProxyModel::setSortCategoriesByNaturalComparison(bool sortCategoriesByNaturalComparison)
{
if (sortCategoriesByNaturalComparison == d->sortCategoriesByNaturalComparison) {
return;
}
d->sortCategoriesByNaturalComparison = sortCategoriesByNaturalComparison;
invalidate();
}
bool KCategorizedSortFilterProxyModel::sortCategoriesByNaturalComparison() const
{
return d->sortCategoriesByNaturalComparison;
}
/*
#ifndef KITEMVIEWS_NO_DEPRECATED
int KCategorizedSortFilterProxyModel::naturalCompare(const QString &a, const QString &b)
{
QCollator c;
c.setNumericMode(true);
c.setCaseSensitivity(Qt::CaseSensitive);
return c.compare(a, b);
}
#endif
*/
bool KCategorizedSortFilterProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
if (d->categorizedModel) {
int compare = compareCategories(left, right);
if (compare > 0) { // left is greater than right
return false;
} else if (compare < 0) { // left is less than right
return true;
}
}
return subSortLessThan(left, right);
}
bool KCategorizedSortFilterProxyModel::subSortLessThan(const QModelIndex &left, const QModelIndex &right) const
{
return QSortFilterProxyModel::lessThan(left, right);
}
int KCategorizedSortFilterProxyModel::compareCategories(const QModelIndex &left, const QModelIndex &right) const
{
QVariant l = (left.model() ? left.model()->data(left, CategorySortRole) : QVariant());
QVariant r = (right.model() ? right.model()->data(right, CategorySortRole) : QVariant());
Q_ASSERT(l.isValid());
Q_ASSERT(r.isValid());
Q_ASSERT(l.type() == r.type());
if (l.type() == QVariant::String) {
QString lstr = l.toString();
QString rstr = r.toString();
if (d->sortCategoriesByNaturalComparison) {
return d->m_collator.compare(lstr, rstr);
} else {
if (lstr < rstr) {
return -1;
}
if (lstr > rstr) {
return 1;
}
return 0;
}
}
qlonglong lint = l.toLongLong();
qlonglong rint = r.toLongLong();
if (lint < rint) {
return -1;
}
if (lint > rint) {
return 1;
}
return 0;
}

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/*
* This file is part of the KDE project
* Copyright (C) 2007 Rafael Fernández López <ereslibre@kde.org>
* Copyright (C) 2007 John Tapsell <tapsell@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KCATEGORIZEDSORTFILTERPROXYMODEL_H
#define KCATEGORIZEDSORTFILTERPROXYMODEL_H
#include <QSortFilterProxyModel>
//#include <kitemviews_export.h>
class KCategorizedSortFilterProxyModelPrivate;
class QItemSelection;
/**
* @class KCategorizedSortFilterProxyModel kcategorizedsortfilterproxymodel.h KCategorizedSortFilterProxyModel
*
* This class lets you categorize a view. It is meant to be used along with
* KCategorizedView class.
*
* In general terms all you need to do is to reimplement subSortLessThan() and
* compareCategories() methods. In order to make categorization work, you need
* to also call setCategorizedModel() class to enable it, since the categorization
* is disabled by default.
*
* @see KCategorizedView
*
* @author Rafael Fernández López <ereslibre@kde.org>
*/
class /*KITEMVIEWS_EXPORT*/ KCategorizedSortFilterProxyModel
: public QSortFilterProxyModel
{
public:
enum AdditionalRoles {
// Note: use printf "0x%08X\n" $(($RANDOM*$RANDOM))
// to define additional roles.
CategoryDisplayRole = 0x17CE990A, ///< This role is used for asking the category to a given index
CategorySortRole = 0x27857E60 ///< This role is used for sorting categories. You can return a
///< string or a long long value. Strings will be sorted alphabetically
///< while long long will be sorted by their value. Please note that this
///< value won't be shown on the view, is only for sorting purposes. What will
///< be shown as "Category" on the view will be asked with the role
///< CategoryDisplayRole.
};
KCategorizedSortFilterProxyModel(QObject *parent = nullptr);
virtual ~KCategorizedSortFilterProxyModel();
/**
* Overridden from QSortFilterProxyModel. Sorts the source model using
* @p column for the given @p order.
*/
void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) Q_DECL_OVERRIDE;
/**
* @return whether the model is categorized or not. Disabled by default.
*/
bool isCategorizedModel() const;
/**
* Enables or disables the categorization feature.
*
* @param categorizedModel whether to enable or disable the categorization feature.
*/
void setCategorizedModel(bool categorizedModel);
/**
* @return the column being used for sorting.
*/
int sortColumn() const;
/**
* @return the sort order being used for sorting.
*/
Qt::SortOrder sortOrder() const;
/**
* Set if the sorting using CategorySortRole will use a natural comparison
* in the case that strings were returned. If enabled, QCollator
* will be used for sorting.
*
* @param sortCategoriesByNaturalComparison whether to sort using a natural comparison or not.
*/
void setSortCategoriesByNaturalComparison(bool sortCategoriesByNaturalComparison);
/**
* @return whether it is being used a natural comparison for sorting. Enabled by default.
*/
bool sortCategoriesByNaturalComparison() const;
/**
* Does a natural comparing of the strings. A negative value is returned if \a a
* is smaller than \a b. A positive value is returned if \a a is greater than \a b. 0
* is returned if both values are equal.
* @deprecated
* Use QCollator instead.
*/
/*
#ifndef KITEMVIEWS_NO_DEPRECATED
KITEMVIEWS_DEPRECATED static int naturalCompare(const QString &a, const QString &b);
#endif
*/
protected:
/**
* Overridden from QSortFilterProxyModel. If you are subclassing
* KCategorizedSortFilterProxyModel, you will probably not need to reimplement this
* method.
*
* It calls compareCategories() to sort by category. If the both items are in the
* same category (i.e. compareCategories returns 0), then subSortLessThan is called.
*
* @return Returns true if the item @p left is less than the item @p right when sorting.
*
* @warning You usually won't need to reimplement this method when subclassing
* from KCategorizedSortFilterProxyModel.
*/
bool lessThan(const QModelIndex &left, const QModelIndex &right) const Q_DECL_OVERRIDE;
/**
* This method has a similar purpose as lessThan() has on QSortFilterProxyModel.
* It is used for sorting items that are in the same category.
*
* @return Returns true if the item @p left is less than the item @p right when sorting.
*/
virtual bool subSortLessThan(const QModelIndex &left, const QModelIndex &right) const;
/**
* This method compares the category of the @p left index with the category
* of the @p right index.
*
* Internally and if not reimplemented, this method will ask for @p left and
* @p right models for role CategorySortRole. In order to correctly sort
* categories, the data() metod of the model should return a qlonglong (or numeric) value, or
* a QString object. QString objects will be sorted with QString::localeAwareCompare if
* sortCategoriesByNaturalComparison() is true.
*
* @note Please have present that:
* QString(QChar(QChar::ObjectReplacementCharacter)) >
* QString(QChar(QChar::ReplacementCharacter)) >
* [ all possible strings ] >
* QString();
*
* This means that QString() will be sorted the first one, while
* QString(QChar(QChar::ObjectReplacementCharacter)) and
* QString(QChar(QChar::ReplacementCharacter)) will be sorted in last
* position.
*
* @warning Please note that data() method of the model should return always
* information of the same type. If you return a QString for an index,
* you should return always QStrings for all indexes for role CategorySortRole
* in order to correctly sort categories. You can't mix by returning
* a QString for one index, and a qlonglong for other.
*
* @note If you need a more complex layout, you will have to reimplement this
* method.
*
* @return A negative value if the category of @p left should be placed before the
* category of @p right. 0 if @p left and @p right are on the same category, and
* a positive value if the category of @p left should be placed after the
* category of @p right.
*/
virtual int compareCategories(const QModelIndex &left, const QModelIndex &right) const;
private:
KCategorizedSortFilterProxyModelPrivate *const d;
};
#endif // KCATEGORIZEDSORTFILTERPROXYMODEL_H

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/**
* This file is part of the KDE project
* Copyright (C) 2007 Rafael Fernández López <ereslibre@kde.org>
* Copyright (C) 2007 John Tapsell <tapsell@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KCATEGORIZEDSORTFILTERPROXYMODEL_P_H
#define KCATEGORIZEDSORTFILTERPROXYMODEL_P_H
#include <QtCore/QCollator>
#include "kcategorizedsortfilterproxymodel.h"
class KCategorizedSortFilterProxyModelPrivate
{
public:
KCategorizedSortFilterProxyModelPrivate()
: sortColumn(0)
, sortOrder(Qt::AscendingOrder)
, categorizedModel(false)
, sortCategoriesByNaturalComparison(true)
{
m_collator.setNumericMode(true);
m_collator.setCaseSensitivity(Qt::CaseSensitive);
}
~KCategorizedSortFilterProxyModelPrivate()
{
}
int sortColumn;
Qt::SortOrder sortOrder;
bool categorizedModel;
bool sortCategoriesByNaturalComparison;
QCollator m_collator;
};
#endif

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/**
* This file is part of the KDE project
* Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KCATEGORIZEDVIEW_H
#define KCATEGORIZEDVIEW_H
#include <QListView>
//#include <kitemviews_export.h>
class KCategoryDrawer;
/**
* @class KCategorizedView kcategorizedview.h KCategorizedView
*
* @short Item view for listing items in a categorized fashion optionally
*
* KCategorizedView basically has the same functionality as QListView, only that it also lets you
* layout items in a way that they are categorized visually.
*
* For it to work you will need to set a KCategorizedSortFilterProxyModel and a KCategoryDrawer
* with methods setModel() and setCategoryDrawer() respectively. Also, the model will need to be
* flagged as categorized with KCategorizedSortFilterProxyModel::setCategorizedModel(true).
*
* The way it works (if categorization enabled):
*
* - When sorting, it does more things than QListView does. It will ask the model for the
* special role CategorySortRole (@see KCategorizedSortFilterProxyModel). This can return
* a QString or an int in order to tell the view the order of categories. In this sense, for
* instance, if we are sorting by name ascending, "A" would be before than "B". If we are
* sorting by size ascending, 512 bytes would be before 1024 bytes. This way categories are
* also sorted.
*
* - When the view has to paint, it will ask the model with the role CategoryDisplayRole
* (@see KCategorizedSortFilterProxyModel). It will for instance return "F" for "foo.pdf" if
* we are sorting by name ascending, or "Small" if a certain item has 100 bytes, for example.
*
* For drawing categories, KCategoryDrawer will be used. You can inherit this class to do your own
* drawing.
*
* @note All examples cited before talk about filesystems and such, but have present that this
* is a completely generic class, and it can be used for whatever your purpose is. For
* instance when talking about animals, you can separate them by "Mammal" and "Oviparous". In
* this very case, for example, the CategorySortRole and the CategoryDisplayRole could be the
* same ("Mammal" and "Oviparous").
*
* @note There is a really performance boost if CategorySortRole returns an int instead of a QString.
* Have present that this role is asked (n * log n) times when sorting and compared. Comparing
* ints is always faster than comparing strings, whithout mattering how fast the string
* comparison is. Consider thinking of a way of returning ints instead of QStrings if your
* model can contain a high number of items.
*
* @warning Note that for really drawing items in blocks you will need some things to be done:
* - The model set to this view has to be (or inherit if you want to do special stuff
* in it) KCategorizedSortFilterProxyModel.
* - This model needs to be set setCategorizedModel to true.
* - Set a category drawer by calling setCategoryDrawer.
*
* @see KCategorizedSortFilterProxyModel, KCategoryDrawer
*
* @author Rafael Fernández López <ereslibre@kde.org>
*/
class /*KITEMVIEWS_EXPORT*/ KCategorizedView
: public QListView
{
Q_OBJECT
Q_PROPERTY(int categorySpacing READ categorySpacing WRITE setCategorySpacing)
Q_PROPERTY(bool alternatingBlockColors READ alternatingBlockColors WRITE setAlternatingBlockColors)
Q_PROPERTY(bool collapsibleBlocks READ collapsibleBlocks WRITE setCollapsibleBlocks)
public:
KCategorizedView(QWidget *parent = nullptr);
~KCategorizedView();
/**
* Reimplemented from QAbstractItemView.
*/
void setModel(QAbstractItemModel *model) Q_DECL_OVERRIDE;
/**
* Calls to setGridSizeOwn().
*/
void setGridSize(const QSize &size);
/**
* @warning note that setGridSize is not virtual in the base class (QListView), so if you are
* calling to this method, make sure you have a KCategorizedView pointer around. This
* means that something like:
* @code
* QListView *lv = new KCategorizedView();
* lv->setGridSize(mySize);
* @endcode
*
* will not call to the expected setGridSize method. Instead do something like this:
*
* @code
* QListView *lv;
* ...
* KCategorizedView *cv = qobject_cast<KCategorizedView*>(lv);
* if (cv) {
* cv->setGridSizeOwn(mySize);
* } else {
* lv->setGridSize(mySize);
* }
* @endcode
*
* @note this method will call to QListView::setGridSize among other operations.
*
* @since 4.4
*/
void setGridSizeOwn(const QSize &size);
/**
* Reimplemented from QAbstractItemView.
*/
QRect visualRect(const QModelIndex &index) const Q_DECL_OVERRIDE;
/**
* Returns the current category drawer.
*/
KCategoryDrawer *categoryDrawer() const;
/**
* The category drawer that will be used for drawing categories.
*/
void setCategoryDrawer(KCategoryDrawer *categoryDrawer);
/**
* @return Category spacing. The spacing between categories.
*
* @since 4.4
*/
int categorySpacing() const;
/**
* Stablishes the category spacing. This is the spacing between categories.
*
* @since 4.4
*/
void setCategorySpacing(int categorySpacing);
/**
* @return Whether blocks should be drawn with alternating colors.
*
* @since 4.4
*/
bool alternatingBlockColors() const;
/**
* Sets whether blocks should be drawn with alternating colors.
*
* @since 4.4
*/
void setAlternatingBlockColors(bool enable);
/**
* @return Whether blocks can be collapsed or not.
*
* @since 4.4
*/
bool collapsibleBlocks() const;
/**
* Sets whether blocks can be collapsed or not.
*
* @since 4.4
*/
void setCollapsibleBlocks(bool enable);
/**
* @return Block of indexes that are into @p category.
*
* @since 4.5
*/
QModelIndexList block(const QString &category);
/**
* @return Block of indexes that are represented by @p representative.
*
* @since 4.5
*/
QModelIndexList block(const QModelIndex &representative);
/**
* Reimplemented from QAbstractItemView.
*/
QModelIndex indexAt(const QPoint &point) const Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void reset() Q_DECL_OVERRIDE;
protected:
/**
* Reimplemented from QWidget.
*/
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QWidget.
*/
void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual void setSelection(const QRect &rect,
QItemSelectionModel::SelectionFlags flags) Q_DECL_OVERRIDE;
/**
* Reimplemented from QWidget.
*/
void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QWidget.
*/
void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QWidget.
*/
void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QWidget.
*/
void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void startDrag(Qt::DropActions supportedActions) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void dragMoveEvent(QDragMoveEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void dragEnterEvent(QDragEnterEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void dragLeaveEvent(QDragLeaveEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void dropEvent(QDropEvent *event) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual QModelIndex moveCursor(CursorAction cursorAction,
Qt::KeyboardModifiers modifiers) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual void rowsAboutToBeRemoved(const QModelIndex &parent,
int start,
int end) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
void updateGeometries() Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual void currentChanged(const QModelIndex &current,
const QModelIndex &previous) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual void dataChanged(const QModelIndex &topLeft,
const QModelIndex &bottomRight,
const QVector<int> &roles = QVector<int>()) Q_DECL_OVERRIDE;
/**
* Reimplemented from QAbstractItemView.
*/
virtual void rowsInserted(const QModelIndex &parent,
int start,
int end) Q_DECL_OVERRIDE;
protected Q_SLOTS:
/**
* @internal
* @warning Deprecated since 4.4.
*/
/*
#ifndef KITEMVIEWS_NO_DEPRECATED
virtual KITEMVIEWS_DEPRECATED void rowsInsertedArtifficial(const QModelIndex &parent,
int start,
int end);
#endif
*/
/**
* @internal
* @warning Deprecated since 4.4.
*/
/*
#ifndef KITEMVIEWS_NO_DEPRECATED
virtual KITEMVIEWS_DEPRECATED void rowsRemoved(const QModelIndex &parent,
int start,
int end);
#endif
*/
/**
* @internal
* Reposition items as needed.
*/
virtual void slotLayoutChanged();
private:
class Private;
Private *const d;
Q_PRIVATE_SLOT(d, void _k_slotCollapseOrExpandClicked(QModelIndex))
};
#endif // KCATEGORIZEDVIEW_H

159
3rdparty/kcategorizedview/kcategorizedview_p.h vendored Normal file
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@@ -0,0 +1,159 @@
/**
* This file is part of the KDE project
* Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KCATEGORIZEDVIEW_P_H
#define KCATEGORIZEDVIEW_P_H
#include "kcategorizedview.h"
class KCategorizedSortFilterProxyModel;
class KCategoryDrawer;
class KCategoryDrawerV2;
class KCategoryDrawerV3;
/**
* @internal
*/
class Q_DECL_HIDDEN KCategorizedView::Private
{
public:
struct Block;
struct Item;
Private(KCategorizedView *q);
~Private();
/**
* @return whether this view has all required elements to be categorized.
*/
bool isCategorized() const;
/**
* @return the block rect for the representative @p representative.
*/
QStyleOptionViewItem blockRect(const QModelIndex &representative);
/**
* Returns the first and last element that intersects with rect.
*
* @note see that here we cannot take out items between first and last (as we could
* do with the rubberband).
*
* Complexity: O(log(n)) where n is model()->rowCount().
*/
QPair<QModelIndex, QModelIndex> intersectingIndexesWithRect(const QRect &rect) const;
/**
* Returns the position of the block of @p category.
*
* Complexity: O(n) where n is the number of different categories when the block has been
* marked as in quarantine. O(1) the rest of the times (the vast majority).
*/
QPoint blockPosition(const QString &category);
/**
* Returns the height of the block determined by @p category.
*/
int blockHeight(const QString &category);
/**
* Returns the actual viewport width.
*/
int viewportWidth() const;
/**
* Marks all elements as in quarantine.
*
* Complexity: O(n) where n is model()->rowCount().
*
* @warning this is an expensive operation
*/
void regenerateAllElements();
/**
* Update internal information, and keep sync with the real information that the model contains.
*/
void rowsInserted(const QModelIndex &parent, int start, int end);
/**
* Returns @p rect in viewport terms, taking in count horizontal and vertical offsets.
*/
QRect mapToViewport(const QRect &rect) const;
/**
* Returns @p rect in absolute terms, converted from viewport position.
*/
QRect mapFromViewport(const QRect &rect) const;
/**
* Returns the height of the highest element in last row. This is only applicable if there is
* no grid set and uniformItemSizes is false.
*
* @param block in which block are we searching. Necessary to stop the search if we hit the
* first item in this block.
*/
int highestElementInLastRow(const Block &block) const;
/**
* Returns whether the view has a valid grid size.
*/
bool hasGrid() const;
/**
* Returns the category for the given index.
*/
QString categoryForIndex(const QModelIndex &index) const;
/**
* Updates the visual rect for item when flow is LeftToRight.
*/
void leftToRightVisualRect(const QModelIndex &index, Item &item,
const Block &block, const QPoint &blockPos) const;
/**
* Updates the visual rect for item when flow is TopToBottom.
* @note we only support viewMode == ListMode in this case.
*/
void topToBottomVisualRect(const QModelIndex &index, Item &item,
const Block &block, const QPoint &blockPos) const;
/**
* Called when expand or collapse has been clicked on the category drawer.
*/
void _k_slotCollapseOrExpandClicked(QModelIndex);
KCategorizedView *q;
KCategorizedSortFilterProxyModel *proxyModel;
KCategoryDrawer *categoryDrawer;
int categorySpacing;
bool alternatingBlockColors;
bool collapsibleBlocks;
Block *hoveredBlock;
QString hoveredCategory;
QModelIndex hoveredIndex;
QPoint pressedPosition;
QRect rubberBandRect;
QHash<QString, Block> blocks;
};
#endif // KCATEGORIZEDVIEW_P_H

204
3rdparty/kcategorizedview/kcategorydrawer.cpp vendored Normal file
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@@ -0,0 +1,204 @@
/**
* This file is part of the KDE project
* Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kcategorydrawer.h"
#include <QPainter>
#include <QStyleOption>
#include <QApplication>
#include <kcategorizedview.h>
#include <kcategorizedsortfilterproxymodel.h>
class KCategoryDrawerPrivate
{
public:
KCategoryDrawerPrivate(KCategorizedView *view)
: view(view)
{
}
~KCategoryDrawerPrivate()
{
}
KCategorizedView *view;
};
KCategoryDrawer::KCategoryDrawer(KCategorizedView *view)
: QObject(view)
, d(new KCategoryDrawerPrivate(view))
{
}
KCategoryDrawer::~KCategoryDrawer()
{
delete d;
}
void KCategoryDrawer::drawCategory(const QModelIndex &index,
int /*sortRole*/,
const QStyleOption &option,
QPainter *painter) const
{
painter->setRenderHint(QPainter::Antialiasing);
const QString category = index.model()->data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString();
const QRect optRect = option.rect;
QFont font(QApplication::font());
font.setBold(true);
const QFontMetrics fontMetrics = QFontMetrics(font);
QColor outlineColor = option.palette.text().color();
outlineColor.setAlphaF(0.35);
//BEGIN: top left corner
{
painter->save();
painter->setPen(outlineColor);
const QPointF topLeft(optRect.topLeft());
QRectF arc(topLeft, QSizeF(4, 4));
arc.translate(0.5, 0.5);
painter->drawArc(arc, 1440, 1440);
painter->restore();
}
//END: top left corner
//BEGIN: left vertical line
{
QPoint start(optRect.topLeft());
start.ry() += 3;
QPoint verticalGradBottom(optRect.topLeft());
verticalGradBottom.ry() += fontMetrics.height() + 5;
QLinearGradient gradient(start, verticalGradBottom);
gradient.setColorAt(0, outlineColor);
gradient.setColorAt(1, Qt::transparent);
painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient);
}
//END: left vertical line
//BEGIN: horizontal line
{
QPoint start(optRect.topLeft());
start.rx() += 3;
QPoint horizontalGradTop(optRect.topLeft());
horizontalGradTop.rx() += optRect.width() - 6;
painter->fillRect(QRect(start, QSize(optRect.width() - 6, 1)), outlineColor);
}
//END: horizontal line
//BEGIN: top right corner
{
painter->save();
painter->setPen(outlineColor);
QPointF topRight(optRect.topRight());
topRight.rx() -= 4;
QRectF arc(topRight, QSizeF(4, 4));
arc.translate(0.5, 0.5);
painter->drawArc(arc, 0, 1440);
painter->restore();
}
//END: top right corner
//BEGIN: right vertical line
{
QPoint start(optRect.topRight());
start.ry() += 3;
QPoint verticalGradBottom(optRect.topRight());
verticalGradBottom.ry() += fontMetrics.height() + 5;
QLinearGradient gradient(start, verticalGradBottom);
gradient.setColorAt(0, outlineColor);
gradient.setColorAt(1, Qt::transparent);
painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient);
}
//END: right vertical line
//BEGIN: text
{
QRect textRect(option.rect);
textRect.setTop(textRect.top() + 7);
textRect.setLeft(textRect.left() + 7);
textRect.setHeight(fontMetrics.height());
textRect.setRight(textRect.right() - 7);
painter->save();
painter->setFont(font);
QColor penColor(option.palette.text().color());
penColor.setAlphaF(0.6);
painter->setPen(penColor);
painter->drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, category);
painter->restore();
}
//END: text
}
int KCategoryDrawer::categoryHeight(const QModelIndex &index, const QStyleOption &option) const
{
Q_UNUSED(index);
Q_UNUSED(option)
QFont font(QApplication::font());
font.setBold(true);
QFontMetrics fontMetrics(font);
const int height = fontMetrics.height() + 1 /* 1 pixel-width gradient */
+ 11 /* top and bottom separation */;
return height;
}
int KCategoryDrawer::leftMargin() const
{
return 0;
}
int KCategoryDrawer::rightMargin() const
{
return 0;
}
KCategorizedView *KCategoryDrawer::view() const
{
return d->view;
}
void KCategoryDrawer::mouseButtonPressed(const QModelIndex &, const QRect &, QMouseEvent *event)
{
event->ignore();
}
void KCategoryDrawer::mouseButtonReleased(const QModelIndex &, const QRect &, QMouseEvent *event)
{
event->ignore();
}
void KCategoryDrawer::mouseMoved(const QModelIndex &, const QRect &, QMouseEvent *event)
{
event->ignore();
}
void KCategoryDrawer::mouseButtonDoubleClicked(const QModelIndex &, const QRect &, QMouseEvent *event)
{
event->ignore();
}
void KCategoryDrawer::mouseLeft(const QModelIndex &, const QRect &)
{
}

186
3rdparty/kcategorizedview/kcategorydrawer.h vendored Normal file
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@@ -0,0 +1,186 @@
/**
* This file is part of the KDE project
* Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KCATEGORYDRAWER_H
#define KCATEGORYDRAWER_H
//#include <kitemviews_export.h>
#include <QtCore/QObject>
#include <QMouseEvent>
class KCategoryDrawerPrivate;
class QPainter;
class QModelIndex;
class QStyleOption;
class KCategorizedView;
/**
* @class KCategoryDrawer kcategorydrawer.h KCategoryDrawer
*
* The category drawing is performed by this class. It also gives information about the category
* height and margins.
*
*/
class /*KITEMVIEWS_EXPORT*/ KCategoryDrawer
: public QObject
{
Q_OBJECT
friend class KCategorizedView;
public:
/*
* Construct a category drawer for a given view
*
* @since 5.0
*/
KCategoryDrawer(KCategorizedView *view);
virtual ~KCategoryDrawer();
/**
* @return The view this category drawer is associated with.
*/
KCategorizedView *view() const;
/**
* This method purpose is to draw a category represented by the given
* @param index with the given @param sortRole sorting role
*
* @note This method will be called one time per category, always with the
* first element in that category
*/
virtual void drawCategory(const QModelIndex &index,
int sortRole,
const QStyleOption &option,
QPainter *painter) const;
/**
* @return The category height for the category representated by index @p index with
* style options @p option.
*/
virtual int categoryHeight(const QModelIndex &index, const QStyleOption &option) const;
/**
* @note 0 by default
*
* @since 4.4
*/
virtual int leftMargin() const;
/**
* @note 0 by default
*
* @since 4.4
*/
virtual int rightMargin() const;
Q_SIGNALS:
/**
* This signal becomes emitted when collapse or expand has been clicked.
*/
void collapseOrExpandClicked(const QModelIndex &index);
/**
* Emit this signal on your subclass implementation to notify that something happened. Usually
* this will be triggered when you have received an event, and its position matched some "hot spot".
*
* You give this action the integer you want, and having connected this signal to your code,
* the connected slot can perform the needed changes (view, model, selection model, delegate...)
*/
void actionRequested(int action, const QModelIndex &index);
protected:
/**
* Method called when the mouse button has been pressed.
*
* @param index The representative index of the block of items.
* @param blockRect The rect occupied by the block of items.
* @param event The mouse event.
*
* @warning You explicitly have to determine whether the event has been accepted or not. You
* have to call event->accept() or event->ignore() at all possible case branches in
* your code.
*/
virtual void mouseButtonPressed(const QModelIndex &index, const QRect &blockRect, QMouseEvent *event);
/**
* Method called when the mouse button has been released.
*
* @param index The representative index of the block of items.
* @param blockRect The rect occupied by the block of items.
* @param event The mouse event.
*
* @warning You explicitly have to determine whether the event has been accepted or not. You
* have to call event->accept() or event->ignore() at all possible case branches in
* your code.
*/
virtual void mouseButtonReleased(const QModelIndex &index, const QRect &blockRect, QMouseEvent *event);
/**
* Method called when the mouse has been moved.
*
* @param index The representative index of the block of items.
* @param blockRect The rect occupied by the block of items.
* @param event The mouse event.
*/
virtual void mouseMoved(const QModelIndex &index, const QRect &blockRect, QMouseEvent *event);
/**
* Method called when the mouse button has been double clicked.
*
* @param index The representative index of the block of items.
* @param blockRect The rect occupied by the block of items.
* @param event The mouse event.
*
* @warning You explicitly have to determine whether the event has been accepted or not. You
* have to call event->accept() or event->ignore() at all possible case branches in
* your code.
*/
virtual void mouseButtonDoubleClicked(const QModelIndex &index, const QRect &blockRect, QMouseEvent *event);
/**
* Method called when the mouse button has left this block.
*
* @param index The representative index of the block of items.
* @param blockRect The rect occupied by the block of items.
*/
virtual void mouseLeft(const QModelIndex &index, const QRect &blockRect);
private:
KCategoryDrawerPrivate *const d;
};
#ifndef KITEMVIEWS_NO_DEPRECATED
/**
* @class KCategoryDrawerV3 kcategorydrawer.h KCategoryDrawer
*
* @deprecated Use KCategoryDrawer instead
*/
/*
class KCategoryDrawerV3 : public KCategoryDrawer
{
public:
KITEMVIEWS_DEPRECATED KCategoryDrawerV3(KCategorizedView *view) : KCategoryDrawer(view) {}
};
*/
#endif
#endif // KCATEGORYDRAWER_H

2
CMakeLists.txt
View File

@@ -572,6 +572,8 @@ QT5_ADD_RESOURCES(CANTATA_RC_SRCS ${CANTATA_RCS})
QT5_WRAP_UI(CANTATA_UI_HDRS ${CANTATA_UIS})
QT5_WRAP_CPP(CANTATA_MOC_SRCS ${CANTATA_MOC_HDRS})
add_subdirectory(3rdparty/kcategorizedview)
if (WIN32)
add_definitions(-DQXT_STATIC)
add_subdirectory(3rdparty/qxt)