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UModelIndex integrated

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- can be used instead of QModelIndex for non-Qt builds
This commit is contained in:
Nikolaj Schlej 2016-07-05 18:19:04 +02:00
parent 71ba5fe582
commit 12029c768c
11 changed files with 153 additions and 69 deletions
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106
common/treemodel.h
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@ -14,7 +14,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef TREEMODEL_H
#define TREEMODEL_H
#if defined(QT_CORE_LIB) && defined(U_USE_QITEMMODEL)
// Use Qt classes
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>
#include <QObject>
@ -22,22 +25,103 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "ubytearray.h"
#include "basetypes.h"
#include "types.h"
#include "umodelindex.h"
#include "treeitem.h"
class TreeItem;
#define UModelIndex QModelIndex
#else
// Use own implementation
#include "ustring.h"
#include "ubytearray.h"
#include "basetypes.h"
#include "types.h"
#include "treeitem.h"
class UModelIndex
{
friend class TreeModel;
public:
inline UModelIndex() : r(-1), c(-1), i(0), m(0) {}
// compiler-generated copy/move ctors/assignment operators are fine!
inline int row() const { return r; }
inline int column() const { return c; }
inline uint64_t internalId() const { return i; }
inline void *internalPointer() const { return reinterpret_cast<void*>(i); }
inline UModelIndex parent() const;
inline UModelIndex child(int row, int column) const;
inline CBString data(int role) const;
inline const TreeModel *model() const { return m; }
inline bool isValid() const { return (r >= 0) && (c >= 0) && (m != 0); }
inline bool operator==(const UModelIndex &other) const { return (other.r == r) && (other.i == i) && (other.c == c) && (other.m == m); }
inline bool operator!=(const UModelIndex &other) const { return !(*this == other); }
inline bool operator<(const UModelIndex &other) const
{
return r < other.r
|| (r == other.r && (c < other.c
|| (c == other.c && (i < other.i
|| (i == other.i && m < other.m)))));
}
private:
inline UModelIndex(int arow, int acolumn, void *ptr, const TreeModel *amodel)
: r(arow), c(acolumn), i(reinterpret_cast<uint64_t>(ptr)), m(amodel) {}
inline UModelIndex(int arow, int acolumn, uint64_t id, const TreeModel *amodel)
: r(arow), c(acolumn), i(id), m(amodel) {}
int r, c;
uint64_t i;
const TreeModel *m;
};
#endif
#if defined(QT_CORE_LIB) && defined(U_USE_QITEMMODEL)
class TreeModel : public QAbstractItemModel
{
Q_OBJECT
private:
TreeItem *rootItem;
public:
TreeModel(QObject *parent = 0);
~TreeModel();
QVariant data(const UModelIndex &index, int role) const;
Qt::ItemFlags flags(const UModelIndex &index) const;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const;
TreeModel(QObject *parent = 0) : QAbstractItemModel(parent) {
rootItem = new TreeItem(Types::Root, 0, UString(), UString(), UString(), UByteArray(), UByteArray(), UByteArray(), TRUE, FALSE, UByteArray());
}
#else
#define emit
class TreeModel
{
private:
TreeItem *rootItem;
void dataChanged(const UModelIndex &, const UModelIndex &) {}
void layoutAboutToBeChanged() {}
void layoutChanged() {}
public:
UString data(const UModelIndex &index, int role) const;
UString headerData(int section, int orientation, int role = 0) const;
TreeModel() {
rootItem = new TreeItem(Types::Root, 0, UString(), UString(), UString(), UByteArray(), UByteArray(), UByteArray(), TRUE, FALSE, UByteArray());
}
bool hasIndex(int row, int column, const UModelIndex &parent = UModelIndex()) const {
if (row < 0 || column < 0)
return false;
return row < rowCount(parent) && column < columnCount(parent);
}
UModelIndex createIndex(int row, int column, void *data) const { return UModelIndex(row, column, data, this); }
#endif
~TreeModel() {
delete rootItem;
}
UModelIndex index(int row, int column,
const UModelIndex &parent = UModelIndex()) const;
UModelIndex parent(const UModelIndex &index) const;
@ -70,7 +154,6 @@ public:
bool hasEmptyParsingData(const UModelIndex &index) const;
UINT8 action(const UModelIndex &index) const;
bool fixed(const UModelIndex &index) const;
bool compressed(const UModelIndex &index) const;
UModelIndex addItem(const UINT8 type, const UINT8 subtype,
@ -80,9 +163,14 @@ public:
const UModelIndex & parent = UModelIndex(), const UINT8 mode = CREATE_MODE_APPEND);
UModelIndex findParentOfType(const UModelIndex & index, UINT8 type) const;
private:
TreeItem *rootItem;
};
#if defined(QT_CORE_LIB) && defined(U_USE_QITEMMODEL)
// Nothing required here
#else
inline UModelIndex UModelIndex::parent() const { return m ? m->parent(*this) : UModelIndex(); }
inline UModelIndex UModelIndex::child(int row, int column) const { return m ? m->index(row, column, *this) : UModelIndex(); }
inline UString UModelIndex::data(int role) const { return m ? m->data(*this, role) : UString(); }
#endif
#endif // TREEMODEL_H