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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "minisplitter.h"
#include "generalsettings.h"
#include <utils/stylehelper.h>
#include <utils/theme/theme.h>
#include <QApplication>
#include <QPaintEvent>
#include <QPainter>
#include <QSplitterHandle>
namespace Core {
namespace Internal {
static QBitmap scaledBitmap(const QBitmap &other, qreal factor)
{
QTransform trans = QTransform::fromScale(factor, factor);
return other.transformed(trans);
}
// cursor images / masks taken from qplatformcursor.cpp
static QCursor hsplitCursor(qreal ratio)
{
static const uchar hsplit_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x41, 0x82, 0x00, 0x80, 0x41, 0x82, 0x01, 0xc0, 0x7f, 0xfe, 0x03,
0x80, 0x41, 0x82, 0x01, 0x00, 0x41, 0x82, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uchar hsplitm_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe2, 0x47, 0x00, 0x00, 0xe3, 0xc7, 0x00,
0x80, 0xe3, 0xc7, 0x01, 0xc0, 0xff, 0xff, 0x03, 0xe0, 0xff, 0xff, 0x07,
0xc0, 0xff, 0xff, 0x03, 0x80, 0xe3, 0xc7, 0x01, 0x00, 0xe3, 0xc7, 0x00,
0x00, 0xe2, 0x47, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static QBitmap cursorImg = QBitmap::fromData({32, 32}, hsplit_bits);
static QBitmap mask = QBitmap::fromData({32, 32}, hsplitm_bits);
return QCursor(scaledBitmap(cursorImg, ratio), scaledBitmap(mask, ratio),
15 * ratio, 15 * ratio);
}
static QCursor vsplitCursor(qreal ratio)
{
static const uchar vsplit_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uchar vsplitm_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00, 0x00, 0xf0, 0x07, 0x00,
0x00, 0xf8, 0x0f, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00,
0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00,
0x80, 0xff, 0xff, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0xf8, 0x0f, 0x00, 0x00, 0xf0, 0x07, 0x00,
0x00, 0xe0, 0x03, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static QBitmap cursorImg = QBitmap::fromData({32, 32}, vsplit_bits);
static QBitmap mask = QBitmap::fromData({32, 32}, vsplitm_bits);
return QCursor(scaledBitmap(cursorImg, ratio), scaledBitmap(mask, ratio),
15 * ratio, 15 * ratio);
}
class MiniSplitterHandle : public QSplitterHandle
{
public:
MiniSplitterHandle(Qt::Orientation orientation, QSplitter *parent, bool lightColored = false)
: QSplitterHandle(orientation, parent),
m_lightColored(lightColored)
{
setMask(QRegion(contentsRect()));
setAttribute(Qt::WA_MouseNoMask, true);
}
protected:
bool event(QEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
void paintEvent(QPaintEvent *event) override;
private:
bool m_lightColored;
};
} // namespace Internal
} // namespace Core
using namespace Core;
using namespace Core::Internal;
bool MiniSplitterHandle::event(QEvent *event)
{
if (generalSettings().provideSplitterCursors()) {
if (event->type() == QEvent::HoverEnter) {
const qreal ratio = screen()->devicePixelRatio();
setCursor(orientation() == Qt::Horizontal ? hsplitCursor(ratio) : vsplitCursor(ratio));
} else if (event->type() == QEvent::HoverLeave) {
unsetCursor();
}
}
return QSplitterHandle::event(event);
}
void MiniSplitterHandle::resizeEvent(QResizeEvent *event)
{
if (orientation() == Qt::Horizontal)
setContentsMargins(2, 0, 2, 0);
else
setContentsMargins(0, 2, 0, 2);
setMask(QRegion(contentsRect()));
QSplitterHandle::resizeEvent(event);
}
void MiniSplitterHandle::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
const QColor color = Utils::creatorColor(
m_lightColored ? Utils::Theme::FancyToolBarSeparatorColor
: Utils::Theme::SplitterColor);
painter.fillRect(event->rect(), color);
}
/*!
\class Core::MiniSplitter
\inheaderfile coreplugin/minisplitter.h
\inmodule QtCreator
\brief The MiniSplitter class is a simple helper-class to obtain
\macos style 1-pixel wide splitters.
*/
/*!
\enum Core::MiniSplitter::SplitterStyle
This enum value holds the splitter style.
\value Dark Dark style.
\value Light Light style.
*/
QSplitterHandle *MiniSplitter::createHandle()
{
return new MiniSplitterHandle(orientation(), this, m_style == Light);
}
MiniSplitter::MiniSplitter(QWidget *parent, SplitterStyle style)
: QSplitter(parent),
m_style(style)
{
setHandleWidth(1);
setChildrenCollapsible(false);
setProperty(Utils::StyleHelper::C_MINI_SPLITTER, true);
}
MiniSplitter::MiniSplitter(Qt::Orientation orientation, QWidget *parent, SplitterStyle style)
: QSplitter(orientation, parent),
m_style(style)
{
setHandleWidth(1);
setChildrenCollapsible(false);
setProperty(Utils::StyleHelper::C_MINI_SPLITTER, true);
}
/*!
\class Core::NonResizingSplitter
\inheaderfile coreplugin/minisplitter.h
\inmodule QtCreator
\brief The NonResizingSplitter class is a MiniSplitter that keeps its
first widget's size fixed when it is resized.
*/
/*!
Constructs a non-resizing splitter with \a parent and \a style.
The default style is MiniSplitter::Light.
*/
NonResizingSplitter::NonResizingSplitter(QWidget *parent, SplitterStyle style)
: MiniSplitter(parent, style)
{
}
/*!
\internal
*/
void NonResizingSplitter::resizeEvent(QResizeEvent *ev)
{
// bypass QSplitter magic
int leftSplitWidth = qMin(sizes().at(0), ev->size().width());
int rightSplitWidth = qMax(0, ev->size().width() - leftSplitWidth);
setSizes(QList<int>() << leftSplitWidth << rightSplitWidth);
QWidget::resizeEvent(ev);
}
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