Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 498 insertions, 0 deletions

diff --git a/kdeui/kpassivepopup.cpp b/kdeui/kpassivepopup.cpp
new file mode 100644
index 000000000..9da71013b
--- /dev/null
+++ b/kdeui/kpassivepopup.cpp
@@ -0,0 +1,498 @@
+/*
+ *   copyright            : (C) 2001-2002 by Richard Moore
+ *   copyright            : (C) 2004-2005 by Sascha Cunz
+ *   License              : This file is released under the terms of the LGPL, version 2.
+ *   email                : [email protected]
+ *   email                : [email protected]
+ */
+
+#include <kconfig.h>
+
+#include <qapplication.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qvbox.h>
+#include <qpainter.h>
+#include <qtooltip.h>
+#include <qbitmap.h>
+#include <qpointarray.h>
+
+#include <kdebug.h>
+#include <kdialog.h>
+#include <kpixmap.h>
+#include <kpixmapeffect.h>
+#include <kglobalsettings.h>
+
+#include "config.h"
+#ifdef Q_WS_X11
+#include <netwm.h>
+#endif
+
+#include "kpassivepopup.h"
+#include "kpassivepopup.moc"
+
+class KPassivePopup::Private
+{
+public:
+  int popupStyle;
+  QPointArray               surround;
+  QPoint                    anchor;
+  QPoint                    fixedPosition;
+};
+
+static const int DEFAULT_POPUP_TYPE = KPassivePopup::Boxed;
+static const int DEFAULT_POPUP_TIME = 6*1000;
+static const int POPUP_FLAGS = Qt::WStyle_Customize | Qt::WDestructiveClose | Qt::WX11BypassWM
+                             | Qt::WStyle_StaysOnTop | Qt::WStyle_Tool | Qt::WStyle_NoBorder;
+
+KPassivePopup::KPassivePopup( QWidget *parent, const char *name, WFlags f )
+    : QFrame( 0, name, f ? f : POPUP_FLAGS ),
+      window( parent ? parent->winId() : 0L ), msgView( 0 ), topLayout( 0 ),
+      hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
+      m_autoDelete( false )
+{
+    init( DEFAULT_POPUP_TYPE );
+}
+
+KPassivePopup::KPassivePopup( WId win, const char *name, WFlags f )
+    : QFrame( 0, name, f ? f : POPUP_FLAGS ),
+      window( win ), msgView( 0 ), topLayout( 0 ),
+      hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
+      m_autoDelete( false )
+{
+    init( DEFAULT_POPUP_TYPE );
+}
+
+KPassivePopup::KPassivePopup( int popupStyle, QWidget *parent, const char *name, WFlags f )
+    : QFrame( 0, name, f ? f : POPUP_FLAGS ),
+      window( parent ? parent->winId() : 0L ), msgView( 0 ), topLayout( 0 ),
+      hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
+      m_autoDelete( false )
+{
+    init( popupStyle );
+}
+
+KPassivePopup::KPassivePopup( int popupStyle, WId win, const char *name, WFlags f )
+    : QFrame( 0, name, f ? f : POPUP_FLAGS ),
+      window( win ), msgView( 0 ), topLayout( 0 ),
+      hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
+      m_autoDelete( false )
+{
+    init( popupStyle );
+}
+
+void KPassivePopup::init( int popupStyle )
+{
+    d = new Private;
+    d->popupStyle = popupStyle;
+    if( popupStyle == Boxed )
+    {
+        setFrameStyle( QFrame::Box| QFrame::Plain );
+        setLineWidth( 2 );
+    }
+    else if( popupStyle == Balloon )
+    {
+        setPalette(QToolTip::palette());
+        setAutoMask(TRUE);
+    }
+    connect( hideTimer, SIGNAL( timeout() ), SLOT( hide() ) );
+    connect( this, SIGNAL( clicked() ), SLOT( hide() ) );
+}
+
+KPassivePopup::~KPassivePopup()
+{
+    delete d;
+}
+
+void KPassivePopup::setView( QWidget *child )
+{
+    delete msgView;
+    msgView = child;
+
+    delete topLayout;
+    topLayout = new QVBoxLayout( this, d->popupStyle == Balloon ? 22 : KDialog::marginHint(), KDialog::spacingHint() );
+    topLayout->addWidget( msgView );
+    topLayout->activate();
+}
+
+void KPassivePopup::setView( const QString &caption, const QString &text,
+                             const QPixmap &icon )
+{
+    // kdDebug() << "KPassivePopup::setView " << caption << ", " << text << endl;
+    setView( standardView( caption, text, icon, this ) );
+}
+
+QVBox * KPassivePopup::standardView( const QString& caption,
+                                     const QString& text,
+                                     const QPixmap& icon,
+                                     QWidget *parent )
+{
+    QVBox *vb = new QVBox( parent ? parent : this );
+    vb->setSpacing( KDialog::spacingHint() );
+
+    QHBox *hb=0;
+    if ( !icon.isNull() ) {
+	hb = new QHBox( vb );
+	hb->setMargin( 0 );
+	hb->setSpacing( KDialog::spacingHint() );
+	ttlIcon = new QLabel( hb, "title_icon" );
+	ttlIcon->setPixmap( icon );
+        ttlIcon->setAlignment( AlignLeft );
+    }
+
+    if ( !caption.isEmpty() ) {
+	ttl = new QLabel( caption, hb ? hb : vb, "title_label" );
+	QFont fnt = ttl->font();
+	fnt.setBold( true );
+	ttl->setFont( fnt );
+	ttl->setAlignment( Qt::AlignHCenter );
+        if ( hb )
+            hb->setStretchFactor( ttl, 10 ); // enforce centering
+    }
+
+    if ( !text.isEmpty() ) {
+        msg = new QLabel( text, vb, "msg_label" );
+        msg->setAlignment( AlignLeft );
+    }
+
+    return vb;
+}
+
+void KPassivePopup::setView( const QString &caption, const QString &text )
+{
+    setView( caption, text, QPixmap() );
+}
+
+void KPassivePopup::setTimeout( int delay )
+{
+    hideDelay = delay;
+    if( hideTimer->isActive() )
+    {
+        if( delay ) {
+            hideTimer->changeInterval( delay );
+        } else {
+            hideTimer->stop();
+        }
+    }
+}
+
+void KPassivePopup::setAutoDelete( bool autoDelete )
+{
+    m_autoDelete = autoDelete;
+}
+
+void KPassivePopup::mouseReleaseEvent( QMouseEvent *e )
+{
+    emit clicked();
+    emit clicked( e->pos() );
+}
+
+//
+// Main Implementation
+//
+
+void KPassivePopup::show()
+{
+    if ( size() != sizeHint() )
+	resize( sizeHint() );
+
+    if ( d->fixedPosition.isNull() )
+	positionSelf();
+    else {
+	if( d->popupStyle == Balloon )
+	    setAnchor( d->fixedPosition );
+	else
+	    move( d->fixedPosition );
+    }
+    QFrame::show();
+
+    int delay = hideDelay;
+    if ( delay < 0 ) {
+        delay = DEFAULT_POPUP_TIME;
+    }
+
+    if ( delay > 0 ) {
+        hideTimer->start( delay );
+    }
+}
+
+void KPassivePopup::show(const QPoint &p)
+{
+    d->fixedPosition = p;
+    show();
+}
+
+void KPassivePopup::hideEvent( QHideEvent * )
+{
+    hideTimer->stop();
+    if ( m_autoDelete )
+        deleteLater();
+}
+
+QRect KPassivePopup::defaultArea() const
+{
+#ifdef Q_WS_X11
+    NETRootInfo info( qt_xdisplay(),
+                      NET::NumberOfDesktops |
+                      NET::CurrentDesktop |
+                      NET::WorkArea,
+                      -1, false );
+    info.activate();
+    NETRect workArea = info.workArea( info.currentDesktop() );
+    QRect r;
+    r.setRect( workArea.pos.x, workArea.pos.y, 0, 0 ); // top left
+#else
+    // FIX IT
+    QRect r;
+    r.setRect( 100, 100, 200, 200 ); // top left
+#endif
+    return r;
+}
+
+void KPassivePopup::positionSelf()
+{
+    QRect target;
+
+#ifdef Q_WS_X11
+    if ( !window ) {
+        target = defaultArea();
+    }
+
+    else {
+        NETWinInfo ni( qt_xdisplay(), window, qt_xrootwin(),
+                       NET::WMIconGeometry | NET::WMKDESystemTrayWinFor );
+
+        // Figure out where to put the popup. Note that we must handle
+        // windows that skip the taskbar cleanly
+        if ( ni.kdeSystemTrayWinFor() ) {
+            NETRect frame, win;
+            ni.kdeGeometry( frame, win );
+            target.setRect( win.pos.x, win.pos.y,
+                            win.size.width, win.size.height );
+        }
+        else if ( ni.state() & NET::SkipTaskbar ) {
+            target = defaultArea();
+        }
+        else {
+            NETRect r = ni.iconGeometry();
+            target.setRect( r.pos.x, r.pos.y, r.size.width, r.size.height );
+                if ( target.isNull() ) { // bogus value, use the exact position
+                    NETRect dummy;
+                    ni.kdeGeometry( dummy, r );
+                    target.setRect( r.pos.x, r.pos.y, 
+                                    r.size.width, r.size.height);
+                }
+        }
+    }
+#else
+        target = defaultArea();
+#endif
+    moveNear( target );
+}
+
+void KPassivePopup::moveNear( QRect target )
+{
+    QPoint pos = target.topLeft();
+    int x = pos.x();
+    int y = pos.y();
+    int w = width();
+    int h = height();
+
+    QRect r = KGlobalSettings::desktopGeometry(QPoint(x+w/2,y+h/2));
+
+    if( d->popupStyle == Balloon )
+    {
+        // find a point to anchor to
+        if( x + w > r.width() ){
+            x = x + target.width();
+        }
+
+        if( y + h > r.height() ){
+            y = y + target.height();
+        }
+    } else
+    {
+        if ( x < r.center().x() )
+            x = x + target.width();
+        else
+            x = x - w;
+
+        // It's apparently trying to go off screen, so display it ALL at the bottom.
+        if ( (y + h) > r.bottom() )
+            y = r.bottom() - h;
+
+        if ( (x + w) > r.right() )
+            x = r.right() - w;
+    }
+    if ( y < r.top() )
+        y = r.top();
+
+    if ( x < r.left() )
+        x = r.left();
+
+    if( d->popupStyle == Balloon )
+        setAnchor( QPoint( x, y ) );
+    else
+        move( x, y );
+}
+
+void KPassivePopup::setAnchor(const QPoint &anchor)
+{
+    d->anchor = anchor;
+    updateMask();
+}
+
+void KPassivePopup::paintEvent( QPaintEvent* pe )
+{
+    if( d->popupStyle == Balloon )
+    {
+        QPainter p;
+        p.begin( this );
+        p.drawPolygon( d->surround );
+    } else
+        QFrame::paintEvent( pe );
+}
+
+void KPassivePopup::updateMask()
+{
+    // get screen-geometry for screen our anchor is on
+    // (geometry can differ from screen to screen!
+    QRect deskRect = KGlobalSettings::desktopGeometry(d->anchor);
+
+    int xh = 70, xl = 40;
+    if( width() < 80 )
+        xh = xl = 40;
+    else if( width() < 110 )
+        xh = width() - 40;
+
+    bool bottom = (d->anchor.y() + height()) > ((deskRect.y() + deskRect.height()-48));
+    bool right = (d->anchor.x() + width()) > ((deskRect.x() + deskRect.width()-48));
+
+    QPoint corners[4] = {
+        QPoint( width() - 50, 10 ),
+        QPoint( 10, 10 ),
+        QPoint( 10, height() - 50 ),
+        QPoint( width() - 50, height() - 50 )
+    };
+
+    QBitmap mask( width(), height(), true );
+    QPainter p( &mask );
+    QBrush brush( Qt::white, Qt::SolidPattern );
+    p.setBrush( brush );
+
+    int i = 0, z = 0;
+    for (; i < 4; ++i) {
+        QPointArray corner;
+        corner.makeArc(corners[i].x(), corners[i].y(), 40, 40, i * 16 * 90, 16 * 90);
+
+        d->surround.resize( z + corner.count() );
+        for (unsigned int s = 0; s < corner.count() - 1; s++) {
+            d->surround.setPoint( z++, corner[s] );
+        }
+		
+        if (bottom && i == 2) {
+            if (right) {
+                d->surround.resize( z + 3 );
+                d->surround.setPoint( z++, QPoint( width() - xh, height() - 11 ) );
+                d->surround.setPoint( z++, QPoint( width() - 20, height() ) );
+                d->surround.setPoint( z++, QPoint( width() - xl, height() - 11 ) );
+            } else {
+                d->surround.resize( z + 3 );
+                d->surround.setPoint( z++, QPoint( xl, height() - 11 ) );
+                d->surround.setPoint( z++, QPoint( 20, height() ) );
+                d->surround.setPoint( z++, QPoint( xh, height() - 11 ) );
+            }
+        } else if (!bottom && i == 0) {
+            if (right) {
+                d->surround.resize( z + 3 );
+                d->surround.setPoint( z++, QPoint( width() - xl, 10 ) );
+                d->surround.setPoint( z++, QPoint( width() - 20, 0 ) );
+                d->surround.setPoint( z++, QPoint( width() - xh, 10 ) );
+            } else {
+                d->surround.resize( z + 3 );
+                d->surround.setPoint( z++, QPoint( xh, 10 ) );
+                d->surround.setPoint( z++, QPoint( 20, 0 ) );
+                d->surround.setPoint( z++, QPoint( xl, 10 ) );
+            }
+        }
+    }
+
+    d->surround.resize( z + 1 );
+    d->surround.setPoint( z, d->surround[0] );
+    p.drawPolygon( d->surround );
+    setMask(mask);
+
+    move( right ? d->anchor.x() - width() + 20 : ( d->anchor.x() < 11 ? 11 : d->anchor.x() - 20 ),
+          bottom ? d->anchor.y() - height() : ( d->anchor.y() < 11 ? 11 : d->anchor.y() ) );
+
+    update();
+}
+
+//
+// Convenience Methods
+//
+
+KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
+				       const QPixmap &icon,
+				       QWidget *parent, const char *name, int timeout )
+{
+    return message( DEFAULT_POPUP_TYPE, caption, text, icon, parent, name, timeout );
+}
+
+KPassivePopup *KPassivePopup::message( const QString &text, QWidget *parent, const char *name )
+{
+    return message( DEFAULT_POPUP_TYPE, QString::null, text, QPixmap(), parent, name );
+}
+
+KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
+				       QWidget *parent, const char *name )
+{
+    return message( DEFAULT_POPUP_TYPE, caption, text, QPixmap(), parent, name );
+}
+
+KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
+				       const QPixmap &icon, WId parent, const char *name, int timeout )
+{
+    return message( DEFAULT_POPUP_TYPE, caption, text, icon, parent, name, timeout );
+}
+
+KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
+				       const QPixmap &icon,
+				       QWidget *parent, const char *name, int timeout )
+{
+    KPassivePopup *pop = new KPassivePopup( popupStyle, parent, name );
+    pop->setAutoDelete( true );
+    pop->setView( caption, text, icon );
+    pop->hideDelay = timeout;
+    pop->show();
+
+    return pop;
+}
+
+KPassivePopup *KPassivePopup::message( int popupStyle, const QString &text, QWidget *parent, const char *name )
+{
+    return message( popupStyle, QString::null, text, QPixmap(), parent, name );
+}
+
+KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
+				       QWidget *parent, const char *name )
+{
+    return message( popupStyle, caption, text, QPixmap(), parent, name );
+}
+
+KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
+				       const QPixmap &icon, WId parent, const char *name, int timeout )
+{
+    KPassivePopup *pop = new KPassivePopup( popupStyle, parent, name );
+    pop->setAutoDelete( true );
+    pop->setView( caption, text, icon );
+    pop->hideDelay = timeout;
+    pop->show();
+
+    return pop;
+}
+
+// Local Variables:
+// c-basic-offset: 4
+// End: