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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDataVis3D module.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVis3D API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef DECLARATIVEBARS_P_H
#define DECLARATIVEBARS_P_H
#include "datavis3dglobal_p.h"
#include "bars3dcontroller_p.h"
#include "declarativebars_p.h"
#include "qitemmodelbardatamapping.h"
#include <QAbstractItemModel>
#include <QQuickItem>
#include <QObject>
QT_DATAVIS3D_BEGIN_NAMESPACE
class DeclarativeBars : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QAbstractItemModel *data READ data WRITE setData)
Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
Q_PROPERTY(LabelTransparency labelTransparency READ labelTransparency WRITE setLabelTransparency)
Q_PROPERTY(ShadowQuality shadowQuality READ shadowQuality WRITE setShadowQuality)
Q_PROPERTY(QFont font READ font WRITE setFont)
Q_PROPERTY(float fontSize READ fontSize WRITE setFontSize)
Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible)
Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible)
Q_PROPERTY(int rows READ rows WRITE setRows)
Q_PROPERTY(int columns READ columns WRITE setColumns)
Q_PROPERTY(QItemModelBarDataMapping *mapping READ mapping WRITE setMapping)
Q_ENUMS(SelectionMode)
Q_ENUMS(ShadowQuality)
Q_ENUMS(LabelTransparency)
public:
// Duplicated here to be able to use the same enums
enum SelectionMode {
ModeNone = 0,
ModeBar,
ModeBarAndRow,
ModeBarAndColumn,
ModeBarRowAndColumn,
ModeZoomRow,
ModeZoomColumn
};
enum ShadowQuality {
ShadowNone = 0,
ShadowLow = 1,
ShadowMedium = 3,
ShadowHigh = 5
};
enum LabelTransparency {
TransparencyNone = 0, // Full solid, using colors from theme
TransparencyFromTheme, // Use colors and transparencies from theme
TransparencyNoBackground // Draw just text on transparent background
};
public:
explicit DeclarativeBars(QQuickItem *parent = 0);
~DeclarativeBars();
void classBegin();
void componentComplete();
// Add whole data set.
void setData(QAbstractItemModel *data);
QAbstractItemModel *data();
// bar thickness, spacing between bars, and is spacing relative to thickness or absolute
// y -component sets the thickness/spacing of z -direction
// With relative 0.0f means side-to-side, 1.0f = one thickness in between
Q_INVOKABLE void setBarSpecs(QSizeF thickness = QSizeF(1.0f, 1.0f),
QSizeF spacing = QSizeF(1.0f, 1.0f),
bool relative = true);
// bar type; bars (=cubes), pyramids, cones, cylinders, etc.
Q_INVOKABLE void setBarType(BarStyle style, bool smooth = false);
// override bar type with own mesh
Q_INVOKABLE void setMeshFileName(const QString &objFileName);
// how many samples per row and column
Q_INVOKABLE void setupSampleSpace(int rowCount, int columnCount);
// Select preset camera placement
Q_INVOKABLE void setCameraPreset(CameraPreset preset);
// Set camera rotation if you don't want to use the presets (in horizontal (-180...180) and
// vertical (0...90) (or (-90...90) if there are negative values) angles and distance in
// percentage (10...500))
Q_INVOKABLE void setCameraPosition(qreal horizontal, qreal vertical, int distance);
// Set theme (bar colors, shaders, window color, background colors, light intensity and text
// colors are affected)
Q_INVOKABLE void setTheme(ColorTheme theme);
// Set color if you don't want to use themes. Set uniform to false if you want the (height)
// color to change from bottom to top
Q_INVOKABLE void setBarColor(QColor baseColor, QColor heightColor, QColor depthColor,
bool uniform = true);
// Set segment count and step. Note; segmentCount * step should be the maximum possible value of data
// set. Minimum is the absolute minimum possible value a bar can have. This is especially
// important to set if values can be negative.
Q_INVOKABLE void setSegmentCount(int segmentCount, qreal step, qreal minimum);
// Change selection mode; single bar, bar and row, bar and column, or all
void setSelectionMode(SelectionMode mode);
SelectionMode selectionMode();
// Font size adjustment
void setFontSize(float fontsize);
float fontSize();
// Set font
void setFont(const QFont &font);
QFont font();
// Label transparency adjustment
void setLabelTransparency(LabelTransparency transparency);
LabelTransparency labelTransparency();
// Enable or disable background grid
void setGridVisible(bool visible);
bool isGridVisible();
// Enable or disable background mesh
void setBackgroundVisible(bool visible);
bool isBackgroundVisible();
// Adjust shadow quality
void setShadowQuality(ShadowQuality quality);
ShadowQuality shadowQuality();
QItemModelBarDataMapping *mapping() const;
void setMapping(QItemModelBarDataMapping *mapping);
int rows() const;
void setRows(int rows);
int columns() const;
void setColumns(int columns);
public slots:
// Used to detect when shadow quality changes autonomously due to e.g. resizing.
void handleShadowQualityUpdate(QtDataVis3D::ShadowQuality quality);
signals:
// Signals shadow quality changes.
void shadowQualityChanged(DeclarativeBars::ShadowQuality quality);
protected:
Bars3dController *m_shared;
QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void wheelEvent(QWheelEvent *event);
private:
QSize m_initialisedSize;
};
QT_DATAVIS3D_END_NAMESPACE
#endif
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