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/***************************************************************************
**
** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXMAPSTYLE_H
#define QPIXMAPSTYLE_H
#include <QCommonStyle>
#include <QString>
#include <QPixmap>
#include <QMargins>
#include <QTileRules>
#include <QHash>
#include <QPainter>
QT_BEGIN_NAMESPACE
class QPixmapStyle : public QCommonStyle
{
Q_OBJECT
public:
struct Descriptor {
QString fileName;
QSize size;
QMargins margins;
QTileRules tileRules;
};
enum ControlDescriptor {
BG_Background=0,
LE_Enabled, // QLineEdit
LE_Disabled,
LE_Focused,
PB_Enabled, // QPushButton
PB_Pressed,
PB_PressedDisabled,
PB_Checked,
PB_Disabled,
TE_Enabled, // QTextEdit
TE_Disabled,
TE_Focused,
PB_HBackground, // Horizontal QProgressBar
PB_HContent,
PB_HComplete,
PB_VBackground, // Vertical QProgressBar
PB_VContent,
PB_VComplete,
SG_HEnabled, // Horizontal QSlider groove
SG_HDisabled,
SG_HActiveEnabled,
SG_HActivePressed,
SG_HActiveDisabled,
SG_VEnabled, // Vertical QSlider groove
SG_VDisabled,
SG_VActiveEnabled,
SG_VActivePressed,
SG_VActiveDisabled,
DD_ButtonEnabled, // QComboBox (DropDown)
DD_ButtonDisabled,
DD_ButtonPressed,
DD_PopupDown,
DD_PopupUp,
DD_ItemSelected,
ID_Selected, // QStyledItemDelegate
SB_Horizontal, // QScrollBar
SB_Vertical
};
struct Pixmap {
QPixmap pixmap;
QMargins margins;
};
enum ControlPixmap {
CB_Enabled, // QCheckBox
CB_Checked,
CB_Pressed,
CB_PressedChecked,
CB_Disabled,
CB_DisabledChecked,
RB_Enabled, // QRadioButton
RB_Checked,
RB_Pressed,
RB_Disabled,
RB_DisabledChecked,
SH_HEnabled, // Horizontal QSlider handle
SH_HDisabled,
SH_HPressed,
SH_VEnabled, // Vertical QSlider handle
SH_VDisabled,
SH_VPressed,
DD_ArrowEnabled, // QComboBox (DropDown) arrow
DD_ArrowDisabled,
DD_ArrowPressed,
DD_ArrowOpen,
DD_ItemSeparator,
ID_Separator // QStyledItemDelegate separator
};
public:
QPixmapStyle();
~QPixmapStyle();
void polish(QApplication *application);
void polish(QPalette &palette);
void polish(QWidget *widget);
void unpolish(QWidget *widget);
void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
QPainter *painter, const QWidget *widget = 0) const;
void drawControl(ControlElement element, const QStyleOption *option,
QPainter *painter, const QWidget *widget = 0) const;
void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *option,
QPainter *painter, const QWidget *widget=0) const;
QSize sizeFromContents(ContentsType type, const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget = 0) const;
QRect subElementRect(SubElement element, const QStyleOption *option,
const QWidget *widget = 0) const;
QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *option,
SubControl sc, const QWidget *widget = 0) const;
int pixelMetric(PixelMetric metric, const QStyleOption *option = 0,
const QWidget *widget = 0) const;
int styleHint(StyleHint hint, const QStyleOption *option,
const QWidget *widget, QStyleHintReturn *returnData) const;
SubControl hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option,
const QPoint &pos, const QWidget *widget) const;
bool eventFilter(QObject *watched, QEvent *event);
protected:
void addDescriptor(ControlDescriptor control, const QString &fileName,
QMargins margins = QMargins(),
QTileRules tileRules = QTileRules(Qt::RepeatTile, Qt::RepeatTile));
void copyDescriptor(ControlDescriptor source, ControlDescriptor dest);
void drawCachedPixmap(ControlDescriptor control, const QRect &rect, QPainter *p) const;
void addPixmap(ControlPixmap control, const QString &fileName,
QMargins margins = QMargins());
void copyPixmap(ControlPixmap source, ControlPixmap dest);
void drawPushButton(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawLineEdit(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawTextEdit(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawCheckBox(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawRadioButton(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawPanelItemViewItem(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawProgressBarBackground(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawProgressBarLabel(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawProgressBarFill(const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
void drawSlider(const QStyleOptionComplex *option,
QPainter *painter, const QWidget *widget) const;
void drawComboBox(const QStyleOptionComplex *option,
QPainter *painter, const QWidget *widget) const;
void drawScrollBar(const QStyleOptionComplex *option,
QPainter *painter, const QWidget *widget) const;
QSize pushButtonSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QSize lineEditSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QSize progressBarSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QSize sliderSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QSize comboBoxSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QSize itemViewSizeFromContents(const QStyleOption *option,
const QSize &contentsSize, const QWidget *widget) const;
QRect comboBoxSubControlRect(const QStyleOptionComplex *option,
SubControl sc, const QWidget *widget) const;
QRect scrollBarSubControlRect(const QStyleOptionComplex *option,
SubControl sc, const QWidget *widget) const;
private:
QPixmap getCachedPixmap(ControlDescriptor control,
const Descriptor &desc, const QSize &size) const;
QSize computeSize(const Descriptor &desc, int width, int height) const;
private:
QHash<ControlDescriptor, Descriptor> m_descriptors;
QHash<ControlPixmap, Pixmap> m_pixmaps;
};
QT_END_NAMESPACE
#endif // QPIXMAPSTYLE_H
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