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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QHBoxLayout>
#include <QLabel>
#include <QApplication>
#include <QDesktopWidget>
#include <QSize>
#include <QTextDocument>
#include <QSettings>
#include <QPixmap>
#include <QImage>
#include <QPainter>
#include <QFontMetrics>
#include <QBrush>
#include <QPen>
#include <QColor>
#include <QApplication>
#include "hoverwindow.h"
#include "smglobals.h"
HoverWindow::HoverWindow(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f), mAlignCenter(false), mDesktopHeight(-1){
setVisible(false);
QSettings s;
int opacity = s.value("ui/hoveropacity", 7).toInt();
setWindowOpacity(opacity / 10.0);
setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
setStyleSheet("QLabel { background-color: #D6A583; color: black; border-width: 2px; border-style: solid; padding: 4px; }");
QDesktopWidget *desktop = qApp->desktop();
mDesktopHeight = desktop->availableGeometry().height();
QSize curSize = SmGlobals::instance()->cursorSize();
setHoverOffset(QPoint(curSize.width() + 30, 0));
mMainLayout = new QHBoxLayout;
mMainLayout->setSizeConstraint(QLayout::SetMinAndMaxSize);
mMainLayout->setContentsMargins(4, 4, 4, 4);
mLabel = new QLabel;
mMainLayout->addWidget(mLabel);
setLayout(mMainLayout);
}
void HoverWindow::setContent(const QString &parent, const QStringList &children){
mAlignCenter = false;
QString curText = QString("<p style=\"align: center; text-decoration: underline; font-weight: bold; margin-bottom: 0;\">%1</p>").arg(parent);
curText.append("<ul style=\"margin-left: -25; margin-top: 0px;\">");
int count = qMin(6, children.size());
int i = 0;
for(i = 0; i < count; ++i){
curText.append(QString("<li>%1</li>").arg(children.at(i)));
}
if(i < children.count()){
curText.append("<li>...</li>");
}
curText.append("</ul>");
QTextDocument doc;
doc.setHtml(curText);
mLabel->setText(curText);
setMinimumSize(doc.size().width() + 10, doc.size().height() + 10);
setMaximumSize(doc.size().width() + 10, doc.size().height() + 10);
raise();
}
void HoverWindow::setPixmap(const QPixmap &pm, bool scale){
mAlignCenter = true;
QPixmap curPm = pm;
if(scale){
if(curPm.height() > 500){
curPm = curPm.scaledToHeight(500);
}
if(curPm.width() > 300){
curPm = curPm.scaledToWidth(300);
}
}
mLabel->setPixmap(curPm);
setMaximumSize(curPm.width() + 10, curPm.height() + 10);
setMinimumSize(curPm.width() + 10, curPm.height() + 10);
raise();
}
void HoverWindow::setData(const QList<QVariant> &data){
if(data.isEmpty()){
return;
}
if(data.at(0).canConvert(QVariant::Pixmap)){
setPixmap(data.at(0).value<QPixmap>());
return;
}
if(data.size() != 2){
return;
}
QStringList dataList = data.at(1).toStringList();
if(dataList.isEmpty()){
dataList << tr("<empty>");
}
setContent(data.at(0).toString(), dataList);
}
void HoverWindow::setCaption(const QString &caption){
const QPixmap *pm = mLabel->pixmap();
if(!pm){
return;
}
QFontMetrics fm = qApp->fontMetrics();
QString elidedCap = fm.elidedText(caption, Qt::ElideMiddle, pm->size().width() - 18, Qt::TextSingleLine);
QSize captionSize = fm.size(Qt::TextSingleLine, elidedCap);
QImage img = pm->toImage();
QPainter *p = new QPainter(&img);
QColor bgColor(Qt::white);
p->setBrush(QBrush(bgColor));
p->setPen(Qt::NoPen);
qreal xStart = (pm->size().width() - captionSize.width()) / 2.0;
QRectF bgRect(xStart, 5, captionSize.width() + 6, captionSize.height());
p->drawRect(bgRect);
p->setPen(Qt::black);
p->drawText(bgRect.topLeft().x() + 3, bgRect.topLeft().y() + fm.ascent(), elidedCap);
delete p;
mLabel->setPixmap(QPixmap::fromImage(img));
}
int HoverWindow::pixmapHeight() const{
const QPixmap *pm = mLabel->pixmap();
return pm ? pm->height() : 0;
}
void HoverWindow::setPos(){
const QPoint globalPos(QCursor::pos());
QPoint hoverPos(globalPos.x() + mHoverOffset.x(), globalPos.y() + mHoverOffset.y());
if(mAlignCenter){
hoverPos = QPoint(hoverPos.x(), hoverPos.y() - height() / 2);
}
if(hoverPos.y() < 0){
hoverPos = QPoint(hoverPos.x(), 0);
}
if(hoverPos.y() + height() > mDesktopHeight){
hoverPos = QPoint(hoverPos.x(), mDesktopHeight - height());
}
move(hoverPos);
}
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