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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef QCMakeCacheView_h
#define QCMakeCacheView_h
#include "QCMake.h"
#include <QItemDelegate>
#include <QSet>
#include <QStandardItemModel>
#include <QTreeView>
class QSortFilterProxyModel;
class QCMakeCacheModel;
class QCMakeAdvancedFilter;
/// Qt view class for cache properties
class QCMakeCacheView : public QTreeView
{
Q_OBJECT
public:
QCMakeCacheView(QWidget* p);
// retrieve the QCMakeCacheModel storing all the pointers
// this isn't necessarily the model one would get from model()
QCMakeCacheModel* cacheModel() const;
// get whether to show advanced entries
bool showAdvanced() const;
QSize sizeHint() const { return QSize(200, 200); }
public slots:
// set whether to show advanced entries
void setShowAdvanced(bool);
// set the search filter string. any property key or value not matching will
// be filtered out
void setSearchFilter(const QString&);
protected:
QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers);
bool event(QEvent* e);
QCMakeCacheModel* CacheModel;
QCMakeAdvancedFilter* AdvancedFilter;
QSortFilterProxyModel* SearchFilter;
};
/// Qt model class for cache properties
class QCMakeCacheModel : public QStandardItemModel
{
Q_OBJECT
public:
QCMakeCacheModel(QObject* parent);
~QCMakeCacheModel();
// roles used to retrieve extra data such has help strings, types of
// properties, and the advanced flag
enum
{
HelpRole = Qt::ToolTipRole,
TypeRole = Qt::UserRole,
AdvancedRole,
StringsRole,
GroupRole
};
enum ViewType
{
FlatView,
GroupView
};
public slots:
// set a list of properties. This list will be sorted and grouped according
// to prefix. Any property that existed already and which is found in this
// list of properties to set will become an old property. All others will
// become new properties and be marked red.
void setProperties(const QCMakePropertyList& props);
// set whether to show new properties in red
void setShowNewProperties(bool);
// clear everything from the model
void clear();
// set flag whether the model can currently be edited.
void setEditEnabled(bool);
// insert a new property at a row specifying all the information about the
// property
bool insertProperty(QCMakeProperty::PropertyType t, const QString& name,
const QString& description, const QVariant& value,
bool advanced);
// set the view type
void setViewType(ViewType t);
ViewType viewType() const;
public:
// get the properties
QCMakePropertyList properties() const;
// editing enabled
bool editEnabled() const;
// returns how many new properties there are
int newPropertyCount() const;
// return flags (overloaded to modify flag based on EditEnabled flag)
Qt::ItemFlags flags(const QModelIndex& index) const;
QModelIndex buddy(const QModelIndex& idx) const;
// get the data in the model for this property
void getPropertyData(const QModelIndex& idx1, QCMakeProperty& prop) const;
protected:
bool EditEnabled;
int NewPropertyCount;
bool ShowNewProperties;
ViewType View;
// set the data in the model for this property
void setPropertyData(const QModelIndex& idx1, const QCMakeProperty& p,
bool isNew);
// breaks up he property list into groups
// where each group has the same prefix up to the first underscore
static void breakProperties(const QSet<QCMakeProperty>& props,
QMap<QString, QCMakePropertyList>& result);
// gets the prefix of a string up to the first _
static QString prefix(const QString& s);
};
/// Qt delegate class for interaction (or other customization)
/// with cache properties
class QCMakeCacheModelDelegate : public QItemDelegate
{
Q_OBJECT
public:
QCMakeCacheModelDelegate(QObject* p);
/// create our own editors for cache properties
QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option,
const QModelIndex& index) const;
bool editorEvent(QEvent* event, QAbstractItemModel* model,
const QStyleOptionViewItem& option,
const QModelIndex& index);
bool eventFilter(QObject* object, QEvent* event);
void setModelData(QWidget* editor, QAbstractItemModel* model,
const QModelIndex& index) const;
QSize sizeHint(const QStyleOptionViewItem& option,
const QModelIndex& index) const;
QSet<QCMakeProperty> changes() const;
void clearChanges();
protected slots:
void setFileDialogFlag(bool);
protected:
bool FileDialogFlag;
// record a change to an item in the model.
// this simply saves the item in the set of changes
void recordChange(QAbstractItemModel* model, const QModelIndex& index);
// properties changed by user via this delegate
QSet<QCMakeProperty> mChanges;
};
#endif
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