Warning, file /games/kfourinline/src/displayintro.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     This file is part of the KDE games kwin4 program
     SPDX-FileCopyrightText: 2006 Martin Heni <kde@heni-online.de>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "displayintro.h"
 
 // own
 #include "buttonsprite.h"
 #include "introsprite.h"
 #include "kfontutils.h"
 #include "kfourinline_debug.h"
 #include "pixmapsprite.h"
 #include "prefs.h"
 // KF
 #include <KLocalizedString>
 // Qt
 #include <QColor>
 #include <QElapsedTimer>
 #include <QFont>
 #include <QGraphicsView>
 #include <QMouseEvent>
 #include <QPixmap>
 #include <QPoint>
 #include <QStringList>
 #include <QTextDocument>
 // Std
 #include <cmath>
 
 // Constructor for the intro display
 DisplayIntro::DisplayIntro(QGraphicsScene *scene, ThemeManager *theme, QGraphicsView *parent)
     : Themeable(QStringLiteral("introdisplay"), theme)
     , QObject(parent)
 {
     // Choose a background color
     scene->setBackgroundBrush(QColor(0, 0, 128));
 
     // Store the theme manager and other attributes
     mLastMoveEvent = nullptr;
     mTheme = theme;
     mScene = scene;
     mView = parent;
 
     // Storage of all sprites
     mSprites.clear();
 
     // Create all sprites used for intro
     for (int i = 0; i < 42; i++) {
         IntroSprite *sprite = new IntroSprite(QStringLiteral("intro_piece"), mTheme, i, mScene);
         mSprites.append(sprite);
         if ((i / 1) % 2 == 0)
             sprite->setFrame(0);
         else
             sprite->setFrame(1);
         sprite->setZValue(i);
         sprite->hide();
     }
 
     // Create board
     PixmapSprite *pixmap = new PixmapSprite(QStringLiteral("introboard"), mTheme, 0, mScene);
     mSprites.append(pixmap);
     pixmap->show();
 
     // Create quicklaunch. We align text horizontally using QTextDocument
     mQuickLaunch = new PixmapSprite(QStringLiteral("quicklaunch"), mTheme, 0, mScene);
     mSprites.append(mQuickLaunch);
     mQuickLaunch->show();
     mTextQuicklaunch = new QGraphicsTextItem(mQuickLaunch);
     mTextQuicklaunch->setPlainText(i18nc("Name of quicklaunch field", "Quick Launch"));
     QTextDocument *text_document = mTextQuicklaunch->document();
     text_document->setDefaultTextOption(QTextOption(Qt::AlignHCenter));
     mTextQuicklaunch->setDocument(text_document);
     mTextQuicklaunch->show();
     mTextStartplayer = new QGraphicsTextItem(mQuickLaunch);
     mTextStartplayer->setPlainText(i18nc("Ask player who should start game", "Who starts?"));
     mTextStartplayer->show();
     mTextColor = new QGraphicsTextItem(mQuickLaunch);
     mTextColor->setPlainText(i18nc("Ask player which color he wants to play", "Your color?"));
     mTextColor->show();
 
     // Static decoration
     KConfigGroup config = thememanager()->config(id());
     QStringList deco = config.readEntry("decoration", QStringList());
     for (int i = 0; i < deco.size(); i++) {
         PixmapSprite *sprite = new PixmapSprite(deco.at(i), mTheme, i, mScene);
         mSprites.append(sprite);
         sprite->show();
     }
 
     // Color buttons
     mStartButton[0] = new ButtonSprite(false, QStringLiteral("button0_start"), mTheme, 0, mScene);
     mSprites.append(mStartButton[0]);
     mStartButton[0]->show();
     connect(mStartButton[0]->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
     if (Prefs::startcolouryellow())
         mStartButton[0]->setStatus(true);
 
     mStartButton[1] = new ButtonSprite(false, QStringLiteral("button1_start"), mTheme, 1, mScene);
     mSprites.append(mStartButton[1]);
     mStartButton[1]->show();
     connect(mStartButton[1]->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
     if (Prefs::startcolourred())
         mStartButton[1]->setStatus(true);
 
     mPlayerButton[0] = new ButtonSprite(false, QStringLiteral("button0_color"), mTheme, 2, mScene);
     mSprites.append(mPlayerButton[0]);
     mPlayerButton[0]->show();
     connect(mPlayerButton[0]->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
     if (Prefs::input0mouse() || Prefs::input0key())
         mPlayerButton[0]->setStatus(true);
 
     mPlayerButton[1] = new ButtonSprite(false, QStringLiteral("button1_color"), mTheme, 3, mScene);
     mSprites.append(mPlayerButton[1]);
     mPlayerButton[1]->show();
     connect(mPlayerButton[1]->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
     if ((Prefs::input1mouse() || Prefs::input1key()) && !mPlayerButton[0]->status())
         mPlayerButton[0]->setStatus(true);
 
     // Start game buttons
     ButtonSprite *button = new ButtonSprite(true, QStringLiteral("button_aieasy"), mTheme, 10, mScene);
     mSprites.append(button);
     button->setText(i18nc("quick start button - player versus AI level easy", "Easy Game"));
     button->show();
     connect(button->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
 
     button = new ButtonSprite(true, QStringLiteral("button_ainormal"), mTheme, 11, mScene);
     mSprites.append(button);
     button->setText(i18nc("quick start button - player versus AI level normal", "Normal Game"));
     button->show();
     connect(button->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
 
     button = new ButtonSprite(true, QStringLiteral("button_aihard"), mTheme, 12, mScene);
     mSprites.append(button);
     button->setText(i18nc("quick start button - player versus AI level hard", "Hard Game"));
     button->show();
     connect(button->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
 
     button = new ButtonSprite(true, QStringLiteral("button_player"), mTheme, 13, mScene);
     mSprites.append(button);
     button->setText(i18nc("quick start button - player versus player", "Two Player Game"));
     button->show();
     connect(button->notify(), &SpriteNotify::signalNotify, this, &DisplayIntro::buttonPressed);
 
     // Animation timer
     mTimer = new QTimer(this);
     connect(mTimer, &QTimer::timeout, this, &DisplayIntro::advance);
 
     // Redraw
     if (theme)
         theme->updateTheme(this);
     qCDebug(KFOURINLINE_LOG) << "CONSTRUCTOR DONE";
 }
 
 // One of the graphical sprite buttons was pressed. Item and its id are delivered
 void DisplayIntro::buttonPressed(QGraphicsItem *item, int id)
 {
     int status = id >> 8;
     int no = id & 0xff;
     // qCDebug(KFOURINLINE_LOG) << "Button" << no  << "pressed status="<<status;
     ButtonSprite *button = dynamic_cast<ButtonSprite *>(item);
     Q_ASSERT(button);
     if (button == mStartButton[0]) {
         mStartButton[1]->setStatus(!button->status());
         Prefs::setStartcolouryellow(button->status());
         Prefs::setStartcolourred(!button->status());
     }
     if (button == mStartButton[1]) {
         mStartButton[0]->setStatus(!button->status());
         Prefs::setStartcolouryellow(!button->status());
         Prefs::setStartcolourred(button->status());
     }
     if (button == mPlayerButton[0]) {
         mPlayerButton[1]->setStatus(!button->status());
         Prefs::setStartcolouryellow(button->status());
         Prefs::setStartcolourred(!button->status());
     }
     if (button == mPlayerButton[1]) {
         mPlayerButton[0]->setStatus(!button->status());
         Prefs::setStartcolouryellow(!button->status());
         Prefs::setStartcolourred(button->status());
     }
 
     // Start game from button
     if (no >= 10 && no <= 13 && status == 1) {
         // Emit quick start with status (start player color, player color, AI level, two player?
 
         // Color
         COLOUR startPlayer;
         if (mStartButton[0]->status())
             startPlayer = Yellow;
         else
             startPlayer = Red;
 
         // Inputs
         KGameIO::IOMode input0 = KGameIO::ProcessIO;
         KGameIO::IOMode input1 = KGameIO::ProcessIO;
         if (mPlayerButton[0]->status())
             input0 = KGameIO::MouseIO;
         if (mPlayerButton[1]->status())
             input1 = KGameIO::MouseIO;
 
         // Level
         int level = -1;
         if (no == 10)
             level = 2;
         else if (no == 11)
             level = 4;
         else if (no == 12)
             level = 6;
         if (no == 13) {
             input0 = KGameIO::MouseIO;
             input1 = KGameIO::MouseIO;
         }
 
         // Emit signal
         Q_EMIT signalQuickStart(startPlayer, input0, input1, level);
     }
 }
 
 // Desctruct the intro and all sprites
 DisplayIntro::~DisplayIntro()
 {
     delete mTimer;
     qDeleteAll(mSprites);
 }
 
 // Master theme change function. Redraw the display
 void DisplayIntro::changeTheme()
 {
     qCDebug(KFOURINLINE_LOG) << "THEME CHANGE " << thememanager()->themefileChanged();
     // Measure time for resize
     QElapsedTimer time;
     time.restart();
 
     // Retrieve theme data
     KConfigGroup config = thememanager()->config(id());
 
     // Retrieve background pixmap
     QString bgsvgid = config.readEntry("background-svgid");
     QPixmap pixmap = thememanager()->getPixmap(bgsvgid, mScene->sceneRect().size().toSize());
     mScene->setBackgroundBrush(pixmap);
     mView->update();
 
     // Process quicklaunch sprite (could be own class...)
     double width = mQuickLaunch->boundingRect().width();
     double height = mQuickLaunch->boundingRect().height();
     // Retrieve theme data
     config = thememanager()->config(mQuickLaunch->id());
     QPointF posQuickstart = config.readEntry("posQuickstart", QPointF(1.0, 1.0));
     QPointF posStartplayer = config.readEntry("posStartplayer", QPointF(1.0, 1.0));
     QPointF posColor = config.readEntry("posColor", QPointF(1.0, 1.0));
 
     // HEADER
     // Calculate proper font size
     double fontHeight = config.readEntry("fontHeightHeader", 1.0);
     fontHeight *= height;
     double textHeight = config.readEntry("textHeightHeader", 1.0);
     textHeight *= height;
     double textWidth = config.readEntry("textWidthHeader", 1.0);
     textWidth *= width;
 
     // Retrieve font color
     QColor fontColor;
     fontColor = config.readEntry("fontColorHeader", QColor(Qt::white));
 
     // Create and set current font
     QFont font;
     fontHeight = KFontUtils::adaptFontSize(mTextQuicklaunch, textWidth, textHeight, fontHeight, 8.0);
     font.setPointSizeF(fontHeight);
 
     // Set font and color for all text items
     mTextQuicklaunch->setFont(font);
     mTextQuicklaunch->setDefaultTextColor(fontColor);
     mTextQuicklaunch->setTextWidth(textWidth);
 
     // Set position of sub sprites, we centered horizontally at creation time,
     // now we center it vertically
     QRectF bounding = mTextQuicklaunch->boundingRect();
     mTextQuicklaunch->setPos(posQuickstart.x() * width, posQuickstart.y() * height + (textHeight - bounding.height()) / 2);
 
     // TEXT
     // Calculate proper font size
     fontHeight = config.readEntry("fontHeight", 1.0);
     fontHeight *= height;
     textHeight = config.readEntry("textHeight", 1.0);
     textHeight *= height;
     textWidth = config.readEntry("textWidth", 1.0);
     textWidth *= width;
 
     // Retrieve font color
     fontColor = config.readEntry("fontColor", QColor(Qt::white));
 
     // Create and set current font
     // Calculate proper font point size to not wrap translations.
     double newFontHeight0 = KFontUtils::adaptFontSize(mTextStartplayer, textWidth, textHeight, fontHeight, 8.0);
     double newFontHeight1 = KFontUtils::adaptFontSize(mTextColor, textWidth, textHeight, fontHeight, 8.0);
     font.setPointSizeF(qMin(newFontHeight0, newFontHeight1));
 
     // Set font and color for all text items
     mTextStartplayer->setFont(font);
     mTextStartplayer->setDefaultTextColor(fontColor);
     mTextStartplayer->setTextWidth(textWidth);
 
     mTextColor->setFont(font);
     mTextColor->setDefaultTextColor(fontColor);
     mTextColor->setTextWidth(textWidth);
 
     // Set position of sub sprites, we centered horizontally at creation time,
     // now we center it vertically
     bounding = mTextStartplayer->boundingRect();
     mTextStartplayer->setPos(posStartplayer.x() * width, posStartplayer.y() * height + (textHeight - bounding.height()) / 2);
     bounding = mTextColor->boundingRect();
     mTextColor->setPos(posColor.x() * width, posColor.y() * height + (textHeight - bounding.height()) / 2);
 
     int elapsed = time.elapsed();
     qCDebug(KFOURINLINE_LOG) << "THEME CHANGE took " << elapsed << " ms";
 
     // Renew animation on theme change?
     if (thememanager()->themefileChanged()) {
         start(0);
     } else {
         delaySprites(elapsed);
     }
 }
 
 // Start the animation
 void DisplayIntro::start(int delay)
 {
     qCDebug(KFOURINLINE_LOG) << "START TIMER";
     // Do the timer
     mTimer->stop();
     mTimer->setSingleShot(true);
     mTimer->start(delay);
 }
 
 // Delay all sprite animation by the given time
 void DisplayIntro::delaySprites(int duration)
 {
     // Setup sprites
     for (int i = 0; i < mSprites.size(); ++i) {
         // Use only intro sprites
         if (mSprites.at(i)->type() != QGraphicsItem::UserType + 1)
             continue;
 
         IntroSprite *sprite = (IntroSprite *)mSprites.at(i);
         sprite->delayAnimation(duration);
     }
 }
 
 // Animation main routine to advance the animation. Called
 // by a timer
 void DisplayIntro::advance()
 {
     QElapsedTimer time;
     time.restart();
     int duration = createAnimation(true);
 
     qCDebug(KFOURINLINE_LOG) << "ADVANCE: Restarting timer in " << (duration + 5000) << " creation time " << time.elapsed();
     mTimer->start(duration + 5000); // [ms]
 }
 
 // Animation main routine to advance the animation. Called
 // by a timer
 int DisplayIntro::createAnimation(bool restartTime)
 {
     // Columns for the moves in the intro. Results in a drawn game
     // Note: Once could load the last played game here or so.
     static int moves[] = {3, 4, 4, 3, 3, 4, 4, 1, 3, 5, 3, 3, 6, 6, 6, 6, 6, 0, 6, 4, 5, 5, 2, 2, 5, 5, 1, 4, 5, 0, 0, 1, 1, 1, 2, 2, 2, 2, 1, 0, 0, 0};
     // How many moves to perform (size of moves array)
     static int maxMoves = 42;
 
     // Config data
     KConfigGroup config = thememanager()->config(id());
     QPointF piece0_pos = config.readEntry("piece0-pos", QPointF(1.0, 1.0));
     QPointF piece1_pos = config.readEntry("piece1-pos", QPointF(1.0, 1.0));
     double piece_spread = config.readEntry("piece-spread", 0.1);
     QPointF board_pos = config.readEntry("board-pos", QPointF(1.0, 1.0));
     QPointF board_spread = config.readEntry("board-spread", QPointF(1.0, 1.0));
     double move_velocity = config.readEntry("move-velocity", 0.1);
 
     // Local variables
     double dura, delay, rad;
     QPointF start, end;
     int maxDuration = 0;
     int addWaitTime = 0;
 
     // ============================================================================
     // Setup sprites
     for (int i = 0; i < mSprites.size(); ++i) {
         // Use only intro sprites
         if (mSprites.at(i)->type() != QGraphicsItem::UserType + 1)
             continue;
 
         IntroSprite *sprite = (IntroSprite *)mSprites.at(i);
         int no = sprite->number();
         sprite->setZValue(no);
         sprite->hide();
 
         sprite->clearAnimation(restartTime);
     }
 
     // ============================================================================
     // First part of intro animation. Move sprites into window
     // Loop all sprites
     for (int i = 0; i < mSprites.size(); ++i) {
         // Move only intro sprites
         if (mSprites.at(i)->type() != QGraphicsItem::UserType + 1)
             continue;
         IntroSprite *sprite = (IntroSprite *)mSprites.at(i);
 
         int no = sprite->number();
         {
             if (no % 2 == 0) {
                 start = QPointF(1.05, 0.5);
                 end = QPointF(piece0_pos.x() + piece_spread * no, piece0_pos.y());
                 dura = 3000.0;
                 delay = 80.0 * no;
                 rad = 0.1;
             } else {
                 start = QPointF(-0.05, 0.5);
                 end = QPointF(piece1_pos.x() + piece_spread * (no - 1), piece1_pos.y());
                 dura = 3000.0;
                 delay = 80.0 * (no - 1);
                 rad = 0.1;
             }
 
             sprite->addPosition(start);
             sprite->addShow();
             sprite->addPause(int(delay));
             sprite->addLinear(start, (start + end) * 0.5, int(dura / 4.0));
             sprite->addCircle((start + end) * 0.5, rad, int(dura / 2.0));
             sprite->addLinear((start + end) * 0.5, end, int(dura / 4.0));
             if (sprite->animationDuration() > maxDuration)
                 maxDuration = sprite->animationDuration();
         }
     } // end list loop
     // ============================================================================
 
     // ============================================================================
     // Second part of intro animation. Move sprites inwards
     int moveCnt = 0;
     delay = 0.0;
     // Reset height
     int height[7];
     addWaitTime = maxDuration;
     for (int i = 0; i <= 6; i++)
         height[i] = 6;
     // Loop all sprites
     for (int i = mSprites.size() - 1; i >= 0; --i) {
         // Move only intro sprites
         if (mSprites.at(i)->type() != QGraphicsItem::UserType + 1)
             continue;
         IntroSprite *sprite = (IntroSprite *)mSprites.at(i);
 
         // No more moves left
         if (moveCnt >= maxMoves)
             continue;
         int ix = moves[moveCnt];
         moveCnt++;
 
         int iy = height[ix];
         height[ix]--;
         double x = board_pos.x() + ix * board_spread.x();
         double y = board_pos.y() + iy * board_spread.y();
 
         sprite->addWait(addWaitTime);
         sprite->addPause(3000);
         sprite->addPause(int(delay));
         AnimationCommand *anim = sprite->addRelativeManhatten(QPointF(x, y), move_velocity);
 
         delay += sprite->duration(anim);
 
         if (sprite->animationDuration() > maxDuration)
             maxDuration = sprite->animationDuration();
     } // end for
     // ============================================================================
 
     // ============================================================================
     // Third part of intro animation. Move sprites outwards
     addWaitTime = maxDuration;
     // Loop all sprites
     for (int i = 0; i < mSprites.size(); ++i) {
         // Move only intro sprites
         if (mSprites.at(i)->type() != QGraphicsItem::UserType + 1)
             continue;
         IntroSprite *sprite = (IntroSprite *)mSprites.at(i);
 
         int no = sprite->number();
         double xc = board_pos.x() + 3.0 * board_spread.x();
         double yc = board_pos.y() + 3.5 * board_spread.y();
 
         double x = xc + 1.50 * cos(no / 42.0 * 2.0 * M_PI);
         double y = yc + 1.50 * sin(no / 42.0 * 2.0 * M_PI);
 
         sprite->addWait(addWaitTime);
         sprite->addPause(8000);
         sprite->addRelativeLinear(QPointF(x, y), 800);
 
         if (sprite->animationDuration() > maxDuration)
             maxDuration = sprite->animationDuration();
     } // end for
     // ============================================================================
 
     return maxDuration;
 }
 
 // Find the sprite on the given position (buttons)
 QGraphicsItem *DisplayIntro::findSprite(QPoint pos)
 {
     QGraphicsItem *found = nullptr;
 
     for (int i = 0; i < mSprites.size(); ++i) {
         QGraphicsItem *item = mSprites[i];
         if (!item)
             continue;
         if (!item->isVisible())
             continue;
         // Map position to local
         QPointF p = item->mapFromScene(QPointF(pos));
         // Take highest zValue item
         if (item->contains(p) && (!found || (found->zValue() < item->zValue())))
             found = item;
     }
     return found;
 }
 
 // Handle view events and forward them to the sprites
 void DisplayIntro::viewEvent(QEvent *event)
 {
     // Only process some mouse events
     QEvent::Type type = event->type();
     if (type != QEvent::MouseButtonPress && type != QEvent::MouseButtonRelease && type != QEvent::MouseMove)
         return;
 
     // Cast items and find right sprite
     QMouseEvent *e = dynamic_cast<QMouseEvent *>(event);
     QGraphicsItem *item = findSprite(e->pos());
 
     // Which event type? Forward them to Button sprites only!
     switch (event->type()) {
     case QEvent::MouseButtonPress:
         if (item != nullptr && item->type() == QGraphicsItem::UserType + 100)
             (dynamic_cast<ButtonSprite *>(item))->mousePressEvent(e);
         break;
     case QEvent::MouseButtonRelease:
         if (item != nullptr && item->type() == QGraphicsItem::UserType + 100)
             (dynamic_cast<ButtonSprite *>(item))->mouseReleaseEvent(e);
         break;
     case QEvent::MouseMove:
         if (item != mLastMoveEvent) {
             if (mLastMoveEvent != nullptr && mLastMoveEvent->type() == QGraphicsItem::UserType + 100) {
                 (dynamic_cast<ButtonSprite *>(mLastMoveEvent))->hoverLeaveEvent(e);
             }
             if (item != nullptr && item->type() == QGraphicsItem::UserType + 100) {
                 (dynamic_cast<ButtonSprite *>(item))->hoverEnterEvent(e);
             }
             mLastMoveEvent = item;
         }
         break;
     default:
         break;
     }
     return;
 }
 
 #include "moc_displayintro.cpp"