#include "arthurwidgets.h"
#include <QApplication>
#include <QPainter>
#include <QPainterPath>
#include <QPixmapCache>
#include <QtEvents>
#include <QTextDocument>
#include <QAbstractTextDocumentLayout>
#include <QFile>
#include <QTextBrowser>
#include <QBoxLayout>
#include <private/qpixmapdata_p.h>
ArthurFrame
::ArthurFrame(QWidget *parent
) , m_prefer_image(false)
{
#ifdef QT_OPENGL_SUPPORT
glw = 0;
m_use_opengl = false;
f.setSampleBuffers(true);
f.setStencil(true);
f.setAlpha(true);
f.setAlphaBufferSize(8);
#endif
m_document = 0;
m_show_doc = false;
m_tile.fill(Qt::white);
pt.fillRect(0, 0, 64, 64, color);
pt.fillRect(64, 64, 64, 64, color);
pt.end();
// QPalette pal = palette();
// pal.setBrush(backgroundRole(), m_tile);
// setPalette(pal);
#ifdef Q_WS_X11
m_prefer_image = xRenderPixmap.pixmapData()->classId() == QPixmapData::X11Class && !xRenderPixmap.x11PictureHandle();
#endif
}
#ifdef QT_OPENGL_SUPPORT
void ArthurFrame::enableOpenGL(bool use_opengl)
{
m_use_opengl = use_opengl;
if (!glw) {
glw = new GLWidget(this);
glw->setAutoFillBackground(false);
glw->disableAutoBufferSwap();
}
if (use_opengl) {
glw->show();
} else {
glw->hide();
}
update();
}
#endif
{
#ifdef Q_WS_QWS
#else
static QImage *static_image
= 0;
#endif
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
if (!static_image || static_image->size() != size()) {
delete static_image;
#ifdef Q_WS_QWS
static_image
= new QPixmap(size
());
#else
#endif
}
painter.begin(static_image);
int o = 10;
painter.fillRect(0, 0, o, o, bg);
painter.fillRect(width() - o, 0, o, o, bg);
painter.fillRect(0, height() - o, o, o, bg);
painter.fillRect(width() - o, height() - o, o, o, bg);
} else {
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl) {
painter.begin(glw);
painter.
fillRect(QRectF(0,
0, glw
->width
(), glw
->height
()), palette
().
color(backgroundRole
()));
} else {
painter.begin(this);
}
#else
painter.begin(this);
#endif
}
painter.setClipRect(e->rect());
painter.
setRenderHint(QPainter::Antialiasing);
qreal left = r.x() + 1;
qreal top = r.y() + 1;
qreal right = r.right();
qreal bottom = r.bottom();
qreal radius2 = 8 * 2;
clipPath.moveTo(right - radius2, top);
clipPath.arcTo(right - radius2, top, radius2, radius2, 90, -90);
clipPath.arcTo(right - radius2, bottom - radius2, radius2, radius2, 0, -90);
clipPath.arcTo(left, bottom - radius2, radius2, radius2, 270, -90);
clipPath.arcTo(left, top, radius2, radius2, 180, -90);
clipPath.closeSubpath();
painter.save();
painter.setClipPath(clipPath, Qt::IntersectClip);
painter.drawTiledPixmap(rect(), m_tile);
// client painting
paint(&painter);
painter.restore();
painter.save();
if (m_show_doc)
paintDescription(&painter);
painter.restore();
int level = 180;
painter.
setPen(QPen(QColor(level, level, level
),
2));
painter.setBrush(Qt::NoBrush);
painter.drawPath(clipPath);
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
painter.end();
painter.begin(this);
#ifdef Q_WS_QWS
painter.drawPixmap(e->rect(), *static_image, e->rect());
#else
painter.drawImage(e->rect(), *static_image, e->rect());
#endif
}
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl && (inherits("PathDeformRenderer") || inherits("PathStrokeRenderer") || inherits("CompositionRenderer") || m_show_doc))
glw->swapBuffers();
#endif
}
{
#ifdef QT_OPENGL_SUPPORT
if (glw)
glw->setGeometry(0, 0, e->size().width()-1, e->size().height()-1);
#endif
}
void ArthurFrame::setDescriptionEnabled(bool enabled)
{
if (m_show_doc != enabled) {
m_show_doc = enabled;
emit descriptionEnabledChanged(m_show_doc);
update();
}
}
void ArthurFrame
::loadDescription(const QString &fileName
) {
QFile textFile
(fileName
);
if (!textFile.
open(QFile::ReadOnly)) text
= QString("Unable to load resource file: '%1'").
arg(fileName
);
else
text = textFile.readAll();
setDescription(text);
}
void ArthurFrame
::setDescription(const QString &text
) {
m_document->setHtml(text);
}
void ArthurFrame
::paintDescription(QPainter *painter
) {
if (!m_document)
return;
int pageWidth = qMax(width() - 100, 100);
int pageHeight = qMax(height() - 100, 100);
if (pageWidth != m_document->pageSize().width()) {
m_document
->setPageSize
(QSize(pageWidth, pageHeight
));
}
QRect textRect
(width
() / 2 - pageWidth
/ 2,
height() / 2 - pageHeight / 2,
pageWidth,
pageHeight);
int pad = 10;
QRect clearRect
= textRect.
adjusted(-pad,
-pad, pad, pad
);
painter->setPen(Qt::NoPen);
painter
->setBrush
(QColor(0,
0,
0,
63));
int shade = 10;
painter->drawRect(clearRect.x() + clearRect.width() + 1,
clearRect.y() + shade,
shade,
clearRect.height() + 1);
painter->drawRect(clearRect.x() + shade,
clearRect.y() + clearRect.height() + 1,
clearRect.width() - shade + 1,
shade);
painter
->setRenderHint
(QPainter::Antialiasing,
false);
painter
->setBrush
(QColor(255,
255,
255,
220));
painter->setPen(Qt::black);
painter->drawRect(clearRect);
painter->setClipRegion(textRect, Qt::IntersectClip);
painter->translate(textRect.topLeft());
g.setColorAt(0, Qt::black);
g.setColorAt(0.9, Qt::black);
g.setColorAt(1, Qt::transparent);
ctx.palette = pal;
ctx.
clip = QRect(0,
0, textRect.
width(), textRect.
height());
m_document->documentLayout()->draw(painter, ctx);
}
void ArthurFrame
::loadSourceFile(const QString &sourceFile
) {
m_sourceFileName = sourceFile;
}
void ArthurFrame::showSource()
{
// Check for existing source
if (qFindChild<QTextBrowser *>(this))
return;
//...
#include "arthurwidgets.h"
#include <QApplication>
#include <QPainter>
#include <QPainterPath>
#include <QPixmapCache>
#include <QtEvents>
#include <QTextDocument>
#include <QAbstractTextDocumentLayout>
#include <QFile>
#include <QTextBrowser>
#include <QBoxLayout>
#include <private/qpixmapdata_p.h>
extern QPixmap cached(const QString &img);
ArthurFrame::ArthurFrame(QWidget *parent)
: QWidget(parent)
, m_prefer_image(false)
{
#ifdef QT_OPENGL_SUPPORT
glw = 0;
m_use_opengl = false;
QGLFormat f = QGLFormat::defaultFormat();
f.setSampleBuffers(true);
f.setStencil(true);
f.setAlpha(true);
f.setAlphaBufferSize(8);
QGLFormat::setDefaultFormat(f);
#endif
m_document = 0;
m_show_doc = false;
m_tile = QPixmap(128, 128);
m_tile.fill(Qt::white);
QPainter pt(&m_tile);
QColor color(230, 230, 230);
pt.fillRect(0, 0, 64, 64, color);
pt.fillRect(64, 64, 64, 64, color);
pt.end();
// QPalette pal = palette();
// pal.setBrush(backgroundRole(), m_tile);
// setPalette(pal);
#ifdef Q_WS_X11
QPixmap xRenderPixmap(1, 1);
m_prefer_image = xRenderPixmap.pixmapData()->classId() == QPixmapData::X11Class && !xRenderPixmap.x11PictureHandle();
#endif
}
#ifdef QT_OPENGL_SUPPORT
void ArthurFrame::enableOpenGL(bool use_opengl)
{
m_use_opengl = use_opengl;
if (!glw) {
glw = new GLWidget(this);
glw->setAutoFillBackground(false);
glw->disableAutoBufferSwap();
QApplication::postEvent(this, new QResizeEvent(size(), size()));
}
if (use_opengl) {
glw->show();
} else {
glw->hide();
}
update();
}
#endif
void ArthurFrame::paintEvent(QPaintEvent *e)
{
#ifdef Q_WS_QWS
static QPixmap *static_image = 0;
#else
static QImage *static_image = 0;
#endif
QPainter painter;
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
if (!static_image || static_image->size() != size()) {
delete static_image;
#ifdef Q_WS_QWS
static_image = new QPixmap(size());
#else
static_image = new QImage(size(), QImage::Format_RGB32);
#endif
}
painter.begin(static_image);
int o = 10;
QBrush bg = palette().brush(QPalette::Background);
painter.fillRect(0, 0, o, o, bg);
painter.fillRect(width() - o, 0, o, o, bg);
painter.fillRect(0, height() - o, o, o, bg);
painter.fillRect(width() - o, height() - o, o, o, bg);
} else {
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl) {
painter.begin(glw);
painter.fillRect(QRectF(0, 0, glw->width(), glw->height()), palette().color(backgroundRole()));
} else {
painter.begin(this);
}
#else
painter.begin(this);
#endif
}
painter.setClipRect(e->rect());
painter.setRenderHint(QPainter::Antialiasing);
QPainterPath clipPath;
QRect r = rect();
qreal left = r.x() + 1;
qreal top = r.y() + 1;
qreal right = r.right();
qreal bottom = r.bottom();
qreal radius2 = 8 * 2;
clipPath.moveTo(right - radius2, top);
clipPath.arcTo(right - radius2, top, radius2, radius2, 90, -90);
clipPath.arcTo(right - radius2, bottom - radius2, radius2, radius2, 0, -90);
clipPath.arcTo(left, bottom - radius2, radius2, radius2, 270, -90);
clipPath.arcTo(left, top, radius2, radius2, 180, -90);
clipPath.closeSubpath();
painter.save();
painter.setClipPath(clipPath, Qt::IntersectClip);
painter.drawTiledPixmap(rect(), m_tile);
// client painting
paint(&painter);
painter.restore();
painter.save();
if (m_show_doc)
paintDescription(&painter);
painter.restore();
int level = 180;
painter.setPen(QPen(QColor(level, level, level), 2));
painter.setBrush(Qt::NoBrush);
painter.drawPath(clipPath);
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
painter.end();
painter.begin(this);
#ifdef Q_WS_QWS
painter.drawPixmap(e->rect(), *static_image, e->rect());
#else
painter.drawImage(e->rect(), *static_image, e->rect());
#endif
}
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl && (inherits("PathDeformRenderer") || inherits("PathStrokeRenderer") || inherits("CompositionRenderer") || m_show_doc))
glw->swapBuffers();
#endif
}
void ArthurFrame::resizeEvent(QResizeEvent *e)
{
#ifdef QT_OPENGL_SUPPORT
if (glw)
glw->setGeometry(0, 0, e->size().width()-1, e->size().height()-1);
#endif
QWidget::resizeEvent(e);
}
void ArthurFrame::setDescriptionEnabled(bool enabled)
{
if (m_show_doc != enabled) {
m_show_doc = enabled;
emit descriptionEnabledChanged(m_show_doc);
update();
}
}
void ArthurFrame::loadDescription(const QString &fileName)
{
QFile textFile(fileName);
QString text;
if (!textFile.open(QFile::ReadOnly))
text = QString("Unable to load resource file: '%1'").arg(fileName);
else
text = textFile.readAll();
setDescription(text);
}
void ArthurFrame::setDescription(const QString &text)
{
m_document = new QTextDocument(this);
m_document->setHtml(text);
}
void ArthurFrame::paintDescription(QPainter *painter)
{
if (!m_document)
return;
int pageWidth = qMax(width() - 100, 100);
int pageHeight = qMax(height() - 100, 100);
if (pageWidth != m_document->pageSize().width()) {
m_document->setPageSize(QSize(pageWidth, pageHeight));
}
QRect textRect(width() / 2 - pageWidth / 2,
height() / 2 - pageHeight / 2,
pageWidth,
pageHeight);
int pad = 10;
QRect clearRect = textRect.adjusted(-pad, -pad, pad, pad);
painter->setPen(Qt::NoPen);
painter->setBrush(QColor(0, 0, 0, 63));
int shade = 10;
painter->drawRect(clearRect.x() + clearRect.width() + 1,
clearRect.y() + shade,
shade,
clearRect.height() + 1);
painter->drawRect(clearRect.x() + shade,
clearRect.y() + clearRect.height() + 1,
clearRect.width() - shade + 1,
shade);
painter->setRenderHint(QPainter::Antialiasing, false);
painter->setBrush(QColor(255, 255, 255, 220));
painter->setPen(Qt::black);
painter->drawRect(clearRect);
painter->setClipRegion(textRect, Qt::IntersectClip);
painter->translate(textRect.topLeft());
QAbstractTextDocumentLayout::PaintContext ctx;
QLinearGradient g(0, 0, 0, textRect.height());
g.setColorAt(0, Qt::black);
g.setColorAt(0.9, Qt::black);
g.setColorAt(1, Qt::transparent);
QPalette pal = palette();
pal.setBrush(QPalette::Text, g);
ctx.palette = pal;
ctx.clip = QRect(0, 0, textRect.width(), textRect.height());
m_document->documentLayout()->draw(painter, ctx);
}
void ArthurFrame::loadSourceFile(const QString &sourceFile)
{
m_sourceFileName = sourceFile;
}
void ArthurFrame::showSource()
{
// Check for existing source
if (qFindChild<QTextBrowser *>(this))
return;
//...
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