* make flash not reset the flash every time the text/pixmap is set if it already in the process of showing.
* clean up a lot of the code * don't use single shots, as they may need to be interupted svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=862833
This commit is contained in:
Aaron J. Seigo
parent
88ac98fdb0
commit
afb72ab0c7
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@ -40,16 +40,32 @@ class Plasma::FlashPrivate
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enum FlashType { Text, Pixmap };
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enum State { Visible, Invisible };
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FlashPrivate() { }
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FlashPrivate()
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: defaultDuration(3000),
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type(FlashPrivate::Text),
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color(Qt::black),
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animId(0),
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state(FlashPrivate::Invisible)
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{
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//TODO: put this on a diet by using timerEvent instead?
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fadeOutTimer.setInterval(defaultDuration);
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fadeOutTimer.setSingleShot(true);
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fadeInTimer.setInterval(0);
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fadeInTimer.setSingleShot(true);
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}
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~FlashPrivate() { }
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void renderPixmap(const QSize &size);
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void setupFlash(Flash *flash, int duration);
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int defaultDuration;
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FlashType type;
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QTimer fadeInTimer;
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QTimer fadeOutTimer;
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QString text;
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QColor color;
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QFont font;
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QPixmap pixmap;
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int duration;
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int defaultDuration;
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FlashType type;
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int animId;
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QPixmap renderedPixmap;
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@ -65,15 +81,10 @@ Flash::Flash(QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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d(new FlashPrivate)
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{
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d->defaultDuration = 3000;
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d->type = FlashPrivate::Text;
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d->color = Qt::black;
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d->animId = 0;
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d->state = FlashPrivate::Invisible;
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setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Minimum );
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
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setCacheMode(NoCache);
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connect(&d->fadeOutTimer, SIGNAL(timeout()), this, SLOT(fadeOut()));
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connect(&d->fadeInTimer, SIGNAL(timeout()), this, SLOT(fadeIn()));
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}
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Flash::~Flash()
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@ -81,106 +92,149 @@ Flash::~Flash()
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delete d;
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}
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void Flash::setDuration( int duration )
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void Flash::setDuration(int duration)
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{
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if (duration < 1) {
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return;
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}
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d->defaultDuration = duration;
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}
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void Flash::setColor( const QColor &color )
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void Flash::setColor(const QColor &color)
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{
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d->color = color;
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}
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void Flash::setFont( const QFont &font )
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void Flash::setFont(const QFont &font)
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{
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d->font = font;
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}
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void Flash::flash( const QString &text, int duration, const QTextOption &option)
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void Flash::flash(const QString &text, int duration, const QTextOption &option)
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{
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kDebug() << duration;
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if (text.isEmpty()) {
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return;
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}
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//kDebug() << duration << text;
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d->type = FlashPrivate::Text;
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d->duration = (duration == 0) ? d->defaultDuration : duration;
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d->text = text;
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d->textOption = option;
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QTimer::singleShot( 0, this, SLOT(fadeIn()) );
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d->setupFlash(this, duration);
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}
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void Flash::flash( const QPixmap &pixmap, int duration, Qt::Alignment align )
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void Flash::flash(const QPixmap &pixmap, int duration, Qt::Alignment align)
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{
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if (pixmap.isNull()) {
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return;
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}
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d->type = FlashPrivate::Pixmap;
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d->duration = (duration == 0) ? d->defaultDuration : duration;
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d->pixmap = pixmap;
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d->alignment = align;
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QTimer::singleShot( 0, this, SLOT(fadeIn()) );
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d->setupFlash(this, duration);
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}
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void Flash::kill()
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{
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if( d->state == FlashPrivate::Visible )
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d->fadeInTimer.stop();
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if (d->state == FlashPrivate::Visible) {
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fadeOut();
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}
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}
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void Flash::fadeIn()
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{
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//kDebug();
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d->state = FlashPrivate::Visible;
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d->renderedPixmap = renderPixmap();
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d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::AppearAnimation);
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Plasma::Animator::self()->setInitialPixmap( d->animId, d->renderedPixmap );
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if( d->duration > 0 )
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QTimer::singleShot( d->duration, this, SLOT(fadeOut()) );
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Plasma::Animator::self()->setInitialPixmap(d->animId, d->renderedPixmap);
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}
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void Flash::fadeOut()
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{
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if( d->state == FlashPrivate::Invisible )
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if (d->state == FlashPrivate::Invisible) {
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return; // Flash was already killed - do not animate again
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}
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d->state = FlashPrivate::Invisible;
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d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::DisappearAnimation);
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Plasma::Animator::self()->setInitialPixmap( d->animId, d->renderedPixmap );
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Plasma::Animator::self()->setInitialPixmap(d->animId, d->renderedPixmap);
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}
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QPixmap Flash::renderPixmap()
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{
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QPixmap pm( size().toSize() );
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pm.fill(Qt::transparent);
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QPainter painter( &pm );
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if( d->type == FlashPrivate::Text ) {
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painter.setPen( d->color );
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painter.setFont( d->font );
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painter.drawText( QRect( QPoint(0, 0), size().toSize() ), d->text, d->textOption);
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} else if( d->type == FlashPrivate::Pixmap ) {
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QPoint p;
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if( d->alignment & Qt::AlignLeft )
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p.setX( 0 );
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else if( d->alignment & Qt::AlignRight )
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p.setX( pm.width() - d->pixmap.width() );
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else
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p.setX( (pm.width() - d->pixmap.width())/2 );
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if( d->alignment & Qt::AlignTop )
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p.setY( 0 );
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else if( d->alignment & Qt::AlignRight )
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p.setY( pm.height() - d->pixmap.height() );
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else
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p.setY( (pm.height() - d->pixmap.height())/2 );
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painter.drawPixmap( p, d->pixmap );
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}
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return pm;
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}
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void Flash::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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if( d->animId && !Plasma::Animator::self()->currentPixmap(d->animId).isNull() ) {
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painter->drawPixmap( 0, 0, Plasma::Animator::self()->currentPixmap(d->animId) );
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} else if( d->state == FlashPrivate::Visible ) {
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painter->drawPixmap( 0, 0, d->renderedPixmap );
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if (d->animId && !Plasma::Animator::self()->currentPixmap(d->animId).isNull()) {
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painter->drawPixmap(0, 0, Plasma::Animator::self()->currentPixmap(d->animId));
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} else {
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d->animId = 0;
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if (d->state == FlashPrivate::Visible) {
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painter->drawPixmap(0, 0, d->renderedPixmap);
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}
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}
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}
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void FlashPrivate::renderPixmap(const QSize &size)
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{
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if (renderedPixmap.size() != size) {
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renderedPixmap = QPixmap(size);
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}
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renderedPixmap.fill(Qt::transparent);
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QPainter painter(&renderedPixmap);
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if (type == FlashPrivate::Text) {
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painter.setPen(color);
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painter.setFont(font);
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painter.drawText(QRect(QPoint(0, 0), size), text, textOption);
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} else if (type == FlashPrivate::Pixmap) {
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QPoint p;
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if(alignment & Qt::AlignLeft) {
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p.setX(0);
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} else if (alignment & Qt::AlignRight) {
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p.setX(size.width() - pixmap.width());
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} else {
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p.setX((size.width() - pixmap.width())/2);
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}
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if (alignment & Qt::AlignTop) {
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p.setY(0);
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} else if (alignment & Qt::AlignRight) {
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p.setY(size.height() - pixmap.height());
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} else {
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p.setY((size.height() - pixmap.height())/2);
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}
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painter.drawPixmap(p, pixmap);
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}
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painter.end();
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if (animId) {
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Plasma::Animator::self()->setInitialPixmap(animId, renderedPixmap);
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}
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}
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void FlashPrivate::setupFlash(Flash *flash, int duration)
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{
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fadeOutTimer.stop();
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fadeOutTimer.setInterval(duration > 0 ? duration : defaultDuration);
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renderPixmap(flash->size().toSize());
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if (state != FlashPrivate::Visible) {
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fadeInTimer.start();
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} else {
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flash->update();
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}
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if (fadeOutTimer.interval() > 0) {
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fadeOutTimer.start();
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}
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}
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#include "flash.moc"
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@ -59,9 +59,6 @@ class PLASMA_EXPORT Flash : public QGraphicsWidget
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void fadeIn();
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void fadeOut();
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protected:
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QPixmap renderPixmap();
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private:
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FlashPrivate * const d;
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};
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