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RetroShare/retroshare-gui/src/gui/AboutDialog.cpp

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/****************************************************************
* This file is distributed under the following license:
*
* Copyright (c) 2009, RetroShare Team
* Copyright (C) 2008 Unipro, Russia (http://ugene.unipro.ru)
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include "AboutDialog.h"
#include "HelpDialog.h"
#include <retroshare/rsdisc.h>
#include <retroshare/rspeers.h>
#include "settings/rsharesettings.h"
#include <QHBoxLayout>
#include <QPainter>
#include <QBrush>
#include <QMessageBox>
#include <QStyle>
#include <assert.h>
AboutDialog::AboutDialog(QWidget* parent)
: QDialog(parent, Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint)
{
setupUi(this);
QHBoxLayout* l = new QHBoxLayout();
l->setMargin(0);
l->addStretch(1);
l->addStretch(1);
frame->setContentsMargins(0, 0, 0, 0);
frame->setLayout(l);
tWidget = NULL;
installAWidget();
QString title = tr("About RetroShare ");
/* get libretroshare version */
std::string version;
if (rsDisc->getPeerVersion(rsPeers->getOwnId(), version))
{
title += QString::fromStdString(version);
}
setWindowTitle(title);
#ifdef Q_OS_WIN
setWindowFlags(windowFlags() | Qt::MSWindowsFixedSizeDialogHint);
#endif
}
void AboutDialog::installAWidget() {
assert(tWidget == NULL);
AWidget* aWidget = new AWidget();
QVBoxLayout* l = (QVBoxLayout*)frame->layout();
l->insertWidget(0, aWidget);
l->setStretchFactor(aWidget, 100);
}
void AboutDialog::installTWidget() {
assert(tWidget == NULL);
tWidget = new TBoard();
QLabel* npLabel = new NextPieceLabel(tWidget);
tWidget->setNextPieceLabel(npLabel);
QWidget* pan = new QWidget();
QVBoxLayout* vl = new QVBoxLayout(pan);
QLabel* topRecLabel = new QLabel(tr("Max score: %1").arg(tWidget->getMaxScore()));
QLabel* scoreLabel = new QLabel(pan);
QLabel* levelLabel = new QLabel(pan);
vl->addStretch();
vl->addWidget(topRecLabel);
vl->addStretch();
vl->addWidget(npLabel);
vl->addStretch();
vl->addWidget(scoreLabel);
vl->addWidget(levelLabel);
vl->addStretch();
QHBoxLayout* l = (QHBoxLayout*)frame->layout();
l->insertWidget(0, pan);
l->insertWidget(0, tWidget);
QRect cRect = frame->contentsRect();
int height = tWidget->heightForWidth(cRect.width());
tWidget->setFixedSize(cRect.width() * cRect.height() / height, cRect.height());
npLabel->setFixedSize(tWidget->squareWidth()*4, tWidget->squareHeight()*5);
l->setStretchFactor(tWidget, 100);
connect(tWidget, SIGNAL(scoreChanged(int)), SLOT(sl_scoreChanged(int)));
connect(tWidget, SIGNAL(levelChanged(int)), SLOT(sl_levelChanged(int)));
connect(this, SIGNAL(si_scoreChanged(QString)), scoreLabel, SLOT(setText(QString)));
connect(this, SIGNAL(si_levelChanged(QString)), levelLabel, SLOT(setText(QString)));
tWidget->setFocus();
tWidget->start();
}
void AboutDialog::switchPages() {
QLayoutItem* li = NULL;
QLayout* l = frame->layout();
while ((li = l->takeAt(0)) && li->widget()) {
li->widget()->deleteLater();
}
if (tWidget==NULL) {
installTWidget();
} else {
tWidget = NULL;
installAWidget();
}
updateTitle();
}
void AboutDialog::sl_scoreChanged(int sc) {
emit si_scoreChanged(tr("Score: %1").arg(sc));
}
void AboutDialog::sl_levelChanged(int level) {
emit si_levelChanged(tr("Level: %1").arg(level));
}
void AboutDialog::updateTitle() {
if (tWidget == NULL)
{
QString title = tr("About RetroShare ");
/* get libretroshare version */
std::string version;
if (rsDisc->getPeerVersion(rsPeers->getOwnId(), version))
{
title += QString::fromStdString(version);
}
setWindowTitle(title);
}
else
{
setWindowTitle(tr("Have fun ;-)"));
}
}
void AboutDialog::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_T) {
switchPages();
} else if (tWidget!=NULL && (e->key() == Qt::Key_P || e->key() == Qt::Key_Pause)) {
tWidget->pause();
}
QDialog::keyPressEvent(e);
}
void AboutDialog::mousePressEvent(QMouseEvent *e) {
QPoint globalPos = mapToGlobal(e->pos());
QPoint framePos = frame->mapFromGlobal(globalPos);
if (frame->contentsRect().contains(framePos)) {
switchPages();
}
QDialog::mousePressEvent(e);
}
void AboutDialog::on_help_button_clicked()
{
HelpDialog helpdlg (this);
helpdlg.exec();
}
AWidget::AWidget() {
setMouseTracking(true);
QImage image(":/images/logo/logo_info.png");
QPainter p(&image);
p.setPen(Qt::black);
QFont font = p.font();
font.setBold(true);
font.setPointSizeF(11);
p.setFont(font);
QString title = tr("About RetroShare ");
/* get libretroshare version */
std::string version;
if (rsDisc->getPeerVersion(rsPeers->getOwnId(), version))
{
QString versionq = QString::fromStdString("RetroShare version : \n") + QString::fromStdString(version);
p.drawText(QRect(10, 10, width()-10, 60), versionq);
}
/* Draw Qt's version number */
p.drawText(QRect(10, 50, width()-10, 60), QString("Qt %1 : \n%2").arg(tr("version"), QT_VERSION_STR));
p.end();
image1 = image2 = image;
setFixedSize(image1.size());
int w = image1.width();
int h = image1.height();
heightField1.resize(w*h);
heightField2.resize(w*h);
density = 5;
page = 0;
startTimer(15);
}
void AWidget::timerEvent(QTimerEvent* e) {
drawWater((QRgb*)image1.bits(), (QRgb*)image2.bits());
calcWater(page, density);
page ^= 1;
if (qrand() % 128 == 0) {
int r = 3 + qRound((double) qrand() * 4 / RAND_MAX);
int h = 300 + qrand() * 200 / RAND_MAX;
int x = 1 + r + qrand()%(image1.width() -2*r-1);
int y = 1 + r + qrand()%(image1.height()-2*r-1);
addBlob(x, y, r, h);
}
update();
QObject::timerEvent(e);
}
void AWidget::paintEvent(QPaintEvent* e) {
QWidget::paintEvent(e);
QPainter p(this);
p.drawImage(0, 0, image2);
}
void AWidget::mouseMoveEvent(QMouseEvent* e) {
QPoint point = e->pos();
addBlob(point.x() - 15,point.y(), 5, 400);
}
void AWidget::calcWater(int npage, int density) {
int w = image1.width();
int h = image1.height();
int count = w + 1;
// Set up the pointers
int *newptr;
int *oldptr;
if(npage == 0) {
newptr = &heightField1.front();
oldptr = &heightField2.front();
} else {
newptr = &heightField2.front();
oldptr = &heightField1.front();
}
for (int y = (h-1)*w; count < y; count += 2) {
for (int x = count+w-2; count < x; ++count) {
// This does the eight-pixel method. It looks much better.
int newh = ((oldptr[count + w]
+ oldptr[count - w]
+ oldptr[count + 1]
+ oldptr[count - 1]
+ oldptr[count - w - 1]
+ oldptr[count - w + 1]
+ oldptr[count + w - 1]
+ oldptr[count + w + 1]
) >> 2 ) - newptr[count];
newptr[count] = newh - (newh >> density);
}
}
}
void AWidget::addBlob(int x, int y, int radius, int height) {
int w = image1.width();
int h = image1.height();
// Set up the pointers
int *newptr;
// int *oldptr;
if (page == 0) {
newptr = &heightField1.front();
// oldptr = &heightField2.front();
} else {
newptr = &heightField2.front();
// oldptr = &heightField1.front();
}
int rquad = radius * radius;
int left=-radius, right = radius;
int top=-radius, bottom = radius;
// Perform edge clipping...
if (x - radius < 1) left -= (x-radius-1);
if (y - radius < 1) top -= (y-radius-1);
if (x + radius > w-1) right -= (x+radius-w+1);
if (y + radius > h-1) bottom-= (y+radius-h+1);
for(int cy = top; cy < bottom; ++cy) {
int cyq = cy*cy;
for(int cx = left; cx < right; ++cx) {
if (cx*cx + cyq < rquad) {
newptr[w*(cy+y) + (cx+x)] += height;
}
}
}
}
void AWidget::drawWater(QRgb* srcImage,QRgb* dstImage) {
int w = image1.width();
int h = image1.height();
int offset = w + 1;
int lIndex;
int lBreak = w * h;
int *ptr = &heightField1.front();
for (int y = (h-1)*w; offset < y; offset += 2) {
for (int x = offset+w-2; offset < x; ++offset) {
int dx = ptr[offset] - ptr[offset+1];
int dy = ptr[offset] - ptr[offset+w];
lIndex = offset + w*(dy>>3) + (dx>>3);
if(lIndex < lBreak && lIndex > 0) {
QRgb c = srcImage[lIndex];
c = shiftColor(c, dx);
dstImage[offset] = c;
}
++offset;
dx = ptr[offset] - ptr[offset+1];
dy = ptr[offset] - ptr[offset+w];
lIndex = offset + w*(dy>>3) + (dx>>3);
if(lIndex < lBreak && lIndex > 0) {
QRgb c = srcImage[lIndex];
c = shiftColor(c, dx);
dstImage[offset] = c;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
// T
TBoard::TBoard(QWidget *parent) {
Q_UNUSED(parent);
setFocusPolicy(Qt::StrongFocus);
isStarted = false;
isPaused = false;
clearBoard();
nextPiece.setRandomShape();
score = 0;
level = 0;
maxScore = Settings->value("/about/maxsc").toInt();
}
TBoard::~TBoard() {
int oldMax = Settings->value("/about/maxsc").toInt();
int newMax = qMax(maxScore, score);
if (oldMax < newMax) {
Settings->setValue("/about/maxsc", newMax);
}
}
int TBoard::heightForWidth ( int w ) const {
return qRound(BoardHeight * float(w)/BoardWidth);
}
void TBoard::start() {
if (isPaused) {
return;
}
isStarted = true;
isWaitingAfterLine = false;
numLinesRemoved = 0;
numPiecesDropped = 0;
maxScore = qMax(score, maxScore);
score = 0;
level = 1;
clearBoard();
emit linesRemovedChanged(numLinesRemoved);
emit scoreChanged(score);
emit levelChanged(level);
newPiece();
timer.start(timeoutTime(), this);
}
void TBoard::pause() {
if (!isStarted) {
return;
}
isPaused = !isPaused;
if (isPaused) {
timer.stop();
} else {
timer.start(timeoutTime(), this);
}
update();
}
void TBoard::paintEvent(QPaintEvent *event) {
QWidget::paintEvent(event);
QPainter painter(this);
painter.setPen(Qt::black);
painter.drawRect(frameRect());
QRect rect = boardRect();
painter.fillRect(rect, Qt::white);
if (isPaused) {
painter.drawText(rect, Qt::AlignCenter, tr("Pause"));
return;
}
int boardTop = rect.bottom() - BoardHeight*squareHeight();
for (int i = 0; i < BoardHeight; ++i) {
for (int j = 0; j < BoardWidth; ++j) {
TPiece::Shape shape = shapeAt(j, BoardHeight - i - 1);
if (shape != TPiece::NoShape) {
drawSquare(painter, rect.left() + j * squareWidth(), boardTop + i * squareHeight(), shape);
}
}
}
if (curPiece.shape() != TPiece::NoShape) {
for (int i = 0; i < 4; ++i) {
int x = curX + curPiece.x(i);
int y = curY - curPiece.y(i);
drawSquare(painter, rect.left() + x * squareWidth(), boardTop + (BoardHeight - y - 1) * squareHeight(), curPiece.shape());
}
}
}
void TBoard::keyPressEvent(QKeyEvent *event) {
if (!isStarted || isPaused || curPiece.shape() == TPiece::NoShape) {
QWidget::keyPressEvent(event);
return;
}
switch (event->key()) {
case Qt::Key_Left:
tryMove(curPiece, curX - 1, curY);
break;
case Qt::Key_Right:
tryMove(curPiece, curX + 1, curY);
break;
case Qt::Key_Down:
tryMove(curPiece.rotatedRight(), curX, curY);
break;
case Qt::Key_Up:
tryMove(curPiece.rotatedLeft(), curX, curY);
break;
case Qt::Key_Space:
dropDown();
break;
case Qt::Key_Control:
oneLineDown();
break;
default:
QWidget::keyPressEvent(event);
}
}
void TBoard::timerEvent(QTimerEvent *event) {
if (event->timerId() == timer.timerId()) {
if (isWaitingAfterLine) {
isWaitingAfterLine = false;
newPiece();
timer.start(timeoutTime(), this);
} else {
oneLineDown();
}
} else {
QWidget::timerEvent(event);
}
}
void TBoard::clearBoard() {
for (int i = 0; i < BoardHeight * BoardWidth; ++i) {
board[i] = TPiece::NoShape;
}
}
void TBoard::dropDown() {
int dropHeight = 0;
int newY = curY;
while (newY > 0) {
if (!tryMove(curPiece, curX, newY - 1)) {
break;
}
newY--;
++dropHeight;
}
pieceDropped(dropHeight);
}
void TBoard::oneLineDown() {
if (!tryMove(curPiece, curX, curY - 1))
pieceDropped(0);
}
void TBoard::pieceDropped(int dropHeight) {
for (int i = 0; i < 4; ++i) {
int x = curX + curPiece.x(i);
int y = curY - curPiece.y(i);
shapeAt(x, y) = curPiece.shape();
}
++numPiecesDropped;
if (numPiecesDropped % 50 == 0) {
++level;
timer.start(timeoutTime(), this);
emit levelChanged(level);
}
score += dropHeight + 7;
emit scoreChanged(score);
removeFullLines();
if (!isWaitingAfterLine) {
newPiece();
}
}
void TBoard::removeFullLines() {
int numFullLines = 0;
for (int i = BoardHeight - 1; i >= 0; --i) {
bool lineIsFull = true;
for (int j = 0; j < BoardWidth; ++j) {
if (shapeAt(j, i) == TPiece::NoShape) {
lineIsFull = false;
break;
}
}
if (lineIsFull) {
++numFullLines;
for (int k = i; k < BoardHeight - 1; ++k) {
for (int j = 0; j < BoardWidth; ++j) {
shapeAt(j, k) = shapeAt(j, k + 1);
}
}
for (int j = 0; j < BoardWidth; ++j) {
shapeAt(j, BoardHeight - 1) = TPiece::NoShape;
}
}
}
if (numFullLines > 0) {
numLinesRemoved += numFullLines;
score += 10 * numFullLines;
emit linesRemovedChanged(numLinesRemoved);
emit scoreChanged(score);
timer.start(500, this);
isWaitingAfterLine = true;
curPiece.setShape(TPiece::NoShape);
update();
}
}
void TBoard::newPiece() {
curPiece = nextPiece;
nextPiece.setRandomShape();
showNextPiece();
curX = BoardWidth / 2 + 1;
curY = BoardHeight - 1 + curPiece.minY();
if (!tryMove(curPiece, curX, curY)) {
curPiece.setShape(TPiece::NoShape);
timer.stop();
isStarted = false;
}
}
void TBoard::showNextPiece() {
if (!nextPieceLabel) {
return;
}
int dx = nextPiece.maxX() - nextPiece.minX() + 1;
int dy = nextPiece.maxY() - nextPiece.minY() + 1;
QPixmap pixmap(dx * squareWidth(), dy * squareHeight());
QPainter painter(&pixmap);
painter.fillRect(pixmap.rect(), nextPieceLabel->palette().background());
for (int i = 0; i < 4; ++i) {
int x = nextPiece.x(i) - nextPiece.minX();
int y = nextPiece.y(i) - nextPiece.minY();
drawSquare(painter, x * squareWidth(), y * squareHeight(), nextPiece.shape());
}
nextPieceLabel->setPixmap(pixmap);
}
bool TBoard::tryMove(const TPiece &newPiece, int newX, int newY) {
for (int i = 0; i < 4; ++i) {
int x = newX + newPiece.x(i);
int y = newY - newPiece.y(i);
if (x < 0 || x >= BoardWidth || y < 0 || y >= BoardHeight) {
return false;
}
if (shapeAt(x, y) != TPiece::NoShape) {
return false;
}
}
curPiece = newPiece;
curX = newX;
curY = newY;
update();
return true;
}
void TBoard::drawSquare(QPainter &painter, int x, int y, TPiece::Shape shape) {
static const QRgb colorTable[8] = { 0x000000, 0xCC6666, 0x66CC66, 0x6666CC, 0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00};
QColor color = colorTable[int(shape)];
painter.fillRect(x + 1, y + 1, squareWidth() - 2, squareHeight() - 2, color);
painter.setPen(color.light());
painter.drawLine(x, y + squareHeight() - 1, x, y);
painter.drawLine(x, y, x + squareWidth() - 1, y);
painter.setPen(color.dark());
painter.drawLine(x + 1, y + squareHeight() - 1, x + squareWidth() - 1, y + squareHeight() - 1);
painter.drawLine(x + squareWidth() - 1, y + squareHeight() - 1, x + squareWidth() - 1, y + 1);
}
void TPiece::setRandomShape() {
setShape(TPiece::Shape(qrand() % 7 + 1));
}
void TPiece::setShape(TPiece::Shape shape) {
static const int coordsTable[8][4][2] = {
{ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } },
{ { 0, -1 }, { 0, 0 }, { -1, 0 }, { -1, 1 } },
{ { 0, -1 }, { 0, 0 }, { 1, 0 }, { 1, 1 } },
{ { 0, -1 }, { 0, 0 }, { 0, 1 }, { 0, 2 } },
{ { -1, 0 }, { 0, 0 }, { 1, 0 }, { 0, 1 } },
{ { 0, 0 }, { 1, 0 }, { 0, 1 }, { 1, 1 } },
{ { -1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } },
{ { 1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } }
};
for (int i = 0; i < 4 ; i++) {
for (int j = 0; j < 2; ++j) {
coords[i][j] = coordsTable[shape][i][j];
}
}
pieceShape = shape;
}
int TPiece::minX() const {
int min = coords[0][0];
for (int i = 1; i < 4; ++i) {
min = qMin(min, coords[i][0]);
}
return min;
}
int TPiece::maxX() const {
int max = coords[0][0];
for (int i = 1; i < 4; ++i) {
max = qMax(max, coords[i][0]);
}
return max;
}
int TPiece::minY() const {
int min = coords[0][1];
for (int i = 1; i < 4; ++i) {
min = qMin(min, coords[i][1]);
}
return min;
}
int TPiece::maxY() const {
int max = coords[0][1];
for (int i = 1; i < 4; ++i) {
max = qMax(max, coords[i][1]);
}
return max;
}
TPiece TPiece::rotatedLeft() const {
if (pieceShape == SquareShape) {
return *this;
}
TPiece result;
result.pieceShape = pieceShape;
for (int i = 0; i < 4; ++i) {
result.setX(i, y(i));
result.setY(i, -x(i));
}
return result;
}
TPiece TPiece::rotatedRight() const {
if (pieceShape == SquareShape) {
return *this;
}
TPiece result;
result.pieceShape = pieceShape;
for (int i = 0; i < 4; ++i) {
result.setX(i, -y(i));
result.setY(i, x(i));
}
return result;
}
NextPieceLabel::NextPieceLabel( QWidget* parent /* = 0*/ ) : QLabel(parent)
{
QPalette p = palette();
p.setColor(QPalette::Background, Qt::white);
setPalette(p);
setFrameShape(QFrame::Box);
setAlignment(Qt::AlignCenter);
setAutoFillBackground(true);
}
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