--- /dev/null
+// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/
+//
+// File: QtxSplash.cxx
+// Author: Vadim SANDLER
+
+#include "QtxSplash.h"
+
+#include <qapplication.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+#define PROGRESS_EVENT QEvent::User + 10
+
+/*!
+ Class ProgressEvent [internal].
+*/
+class ProgressEvent: public QCustomEvent
+{
+public:
+ ProgressEvent( const QString& msg, const int progress = 0 )
+ : QCustomEvent( PROGRESS_EVENT ),
+ myMessage( msg ),
+ myProgress( progress )
+ {}
+ QString message() const { return myMessage; }
+ int progress() const { return myProgress; }
+
+private:
+ QString myMessage;
+ int myProgress;
+};
+
+// Only one instance of splash screen is allowed
+QtxSplash* QtxSplash::mySplash = 0;
+
+/*!
+ Construct a splash screen that will display the \a pixmap.
+*/
+QtxSplash::QtxSplash( const QPixmap& pixmap )
+ : QWidget( 0, 0, WStyle_Customize | WStyle_StaysOnTop )
+{
+ myAlignment = AlignBottom | AlignRight;
+ myColor = white;
+ myHideOnClick = false;
+ myProgress = 0;
+ myTotal = 0;
+ myGradientType = Vertical;
+
+ myStartColor = red;
+
+ setPixmap( pixmap );
+}
+
+/*!
+ Destructor.
+*/
+QtxSplash::~QtxSplash()
+{
+ mySplash = 0;
+}
+
+/*!
+ Returns an only instance of splash screen.
+ If \a px is valid sets this pixmap to the splash screen.
+*/
+QtxSplash* QtxSplash::splash( const QPixmap& px )
+{
+ if ( !mySplash )
+ mySplash = new QtxSplash( px );
+ else if ( !px.isNull() )
+ mySplash->setPixmap( px );
+ return mySplash;
+}
+
+/*!
+ Sends the status message and (optionally) progress to the splash screen.
+ Can be used, for example, from the progress thread.
+*/
+void QtxSplash::setStatus( const QString& msg,
+ const int progress )
+{
+ if ( mySplash ) {
+ QApplication::postEvent( mySplash, new ProgressEvent( msg, progress ) );
+ qApp->processEvents();
+ }
+}
+
+/*!
+ Sets the pixmap that will be used as the splash screen's image to
+ \a pixmap.
+*/
+void QtxSplash::setPixmap( const QPixmap& pixmap )
+{
+ myPixmap = pixmap;
+ QRect r( 0, 0, myPixmap.size().width(), myPixmap.size().height() );
+ resize( myPixmap.size() );
+ move( QApplication::desktop()->screenGeometry().center() - r.center() );
+ repaint();
+}
+
+/*!
+ Returns the pixmap that is used in the splash screen.
+*/
+QPixmap QtxSplash::pixmap() const
+{
+ return myPixmap;
+}
+
+/*!
+ Sets/clear the 'hide on mouse click' flag.
+ Default is FALSE.
+ When this flag is set, user can hide the splash screen window
+ by clicking on it with mouse.
+ But for this to work it is necessary to call periodically
+ QApplication::processEvents() in order to allow event loop to process
+ events because usually main application loop is not yet started
+ at that moment.
+*/
+void QtxSplash::setHideOnClick( const bool on )
+{
+ myHideOnClick = on;
+}
+
+/*!
+ Returns the 'hide on mouse click' flag.
+*/
+bool QtxSplash::hideOnClick() const
+{
+ return myHideOnClick;
+}
+
+/*!
+ Sets total progress steps to \a total.
+*/
+void QtxSplash::setTotalSteps( const int total )
+{
+ myTotal = total;
+ repaint();
+}
+
+/*!
+ Return total progress steps number.
+ \sa setTotalSteps(), setProgress()
+*/
+int QtxSplash::totalSteps() const
+{
+ return myTotal;
+}
+
+/*!
+ Sets progress to \a progress.
+*/
+void QtxSplash::setProgress( const int progress )
+{
+ myProgress = progress;
+ repaint();
+}
+
+/*!
+ Return current progress.
+ \sa setProgress(), setTotalSteps()
+*/
+int QtxSplash::progress() const
+{
+ return myProgress;
+}
+
+/*!
+ Sets progress to \a progress and total progress steps to \a total.
+*/
+void QtxSplash::setProgress( const int progress, const int total )
+{
+ myTotal = total;
+ myProgress = progress;
+ repaint();
+}
+
+/*!
+ Sets progress bar colors to \a startColor and \a endColor.
+ If the colors differ the gradient color bar is drawed.
+ If the \a endColor is not valid, \a startColor is used instead.
+ \a gradientType sets the type of gradient to be used for progress
+ bar - horizontal or vertical. Default is vertical.
+*/
+void QtxSplash::setProgressColors( const QColor& startColor,
+ const QColor& endColor,
+ const int gradientType )
+{
+ myStartColor = startColor;
+ myEndColor = endColor;
+ myGradientType = gradientType;
+ repaint();
+}
+
+/*!
+ Return progress colors and gradient type (horizontal or vertical).
+ \sa setProgressColors()
+*/
+int QtxSplash::progressColors( QColor& startColor, QColor& endColor )
+{
+ startColor = myStartColor;
+ endColor = myEndColor;
+ return myGradientType;
+}
+
+/*!
+ Sets message text alignment flags to \a alignment.
+ Default is AlignBottom | AlignRight.
+*/
+void QtxSplash::setTextAlignment( const int alignment )
+{
+ myAlignment = alignment;
+ repaint();
+}
+
+/*!
+ Return message text alignment flags.
+ \sa setTextAlignment()
+*/
+int QtxSplash::textAlignment() const
+{
+ return myAlignment;
+}
+
+/*!
+ Sets message text color to \a color.
+ Default is white.
+ \sa setTextColors()
+*/
+void QtxSplash::setTextColor( const QColor& color )
+{
+ myColor = color;
+ myShadowColor = QColor();
+ repaint();
+}
+
+/*!
+ Return message text color.
+ \sa setTextColor()
+*/
+QColor QtxSplash::textColor() const
+{
+ return myColor;
+}
+
+/*!
+ Sets message text color to \a color and text shadow color to \a shadow.
+ \sa setTextColor()
+*/
+void QtxSplash::setTextColors( const QColor& color, const QColor& shadow )
+{
+ myColor = color;
+ myShadowColor = shadow;
+ repaint();
+}
+
+/*!
+ Return message text color and text shadow color.
+ \sa setTextColors()
+*/
+void QtxSplash::textColors( QColor& color, QColor& shadow ) const
+{
+ color = myColor;
+ shadow = myShadowColor;
+}
+
+/*!
+ Makes the splash screen wait until the widget \a mainWin is displayed
+ before calling close() on itself.
+*/
+void QtxSplash::finish( QWidget* mainWin )
+{
+ if ( mainWin ) {
+#if defined(Q_WS_X11)
+ extern void qt_wait_for_window_manager( QWidget* w );
+ qt_wait_for_window_manager( mainWin );
+#endif
+ }
+ close();
+}
+
+/*!
+ Repaint the splash screen.
+*/
+void QtxSplash::repaint()
+{
+ drawContents();
+ QWidget::repaint();
+ QApplication::flush();
+}
+
+/*!
+ Draws the \a message text onto the splash screen with color \a
+ color and aligns the text according to the flags in \a alignment.
+*/
+void QtxSplash::message( const QString& msg,
+ int alignment,
+ const QColor& color )
+{
+ myMessage = msg;
+ myAlignment = alignment;
+ myColor = color;
+ repaint();
+}
+
+/*!
+ This is an overloaded member function, provided for convenience.
+ It behaves essentially like the above function.
+ Draws the \a message text onto the splash screen with default color
+ and aligns the text according to the default alignment flags.
+*/
+void QtxSplash::message( const QString& msg )
+{
+ myMessage = msg;
+ repaint();
+}
+
+/*!
+ Removes the message being displayed on the splash screen.
+ \sa message()
+*/
+void QtxSplash::clear()
+{
+ myMessage = QString::null;
+ repaint();
+}
+
+/*!
+ Draw the contents of the splash screen using painter \a painter.
+*/
+void QtxSplash::drawContents( QPainter* painter )
+{
+ QRect r = rect();
+ if ( myTotal > 0 ) {
+ painter->setPen( palette().active().dark() );
+ painter->drawLine( r.x()+5, r.height()-15, r.width()-5, r.height()-15 );
+ painter->drawLine( r.x()+5, r.height()-15, r.x()+5, r.height()-5 );
+ painter->setPen( palette().active().light() );
+ painter->drawLine( r.x()+5, r.height()-5, r.width()-5, r.height()-5 );
+ painter->drawLine( r.width()-5, r.height()-15, r.width()-5, r.height()-5 );
+ if ( myGradientType == Horizontal ) {
+ int tng = r.width() - r.x() - 11;
+ int ng = (int) ( 1.0 * (r.width() - r.x() - 11) * ( myProgress > 0 ? myProgress : 0 ) / myTotal );
+ int h1, h2, s1, s2, v1, v2;
+ myStartColor.hsv( &h1, &s1, &v1 );
+ myEndColor.isValid() ? myEndColor.hsv( &h2, &s2, &v2 ) : myStartColor.hsv( &h2, &s2, &v2 );
+ for ( int i = 0; i < ng; i++ ) {
+ painter->setPen( QColor( h1 + ((h2-h1)*i)/(tng-1),
+ s1 + ((s2-s1)*i)/(tng-1),
+ v1 + ((v2-v1)*i)/(tng-1),
+ QColor::Hsv ) );
+ painter->drawLine( r.x()+6+i, r.height()-14, r.x()+6+i, r.height()-6 );
+ }
+ }
+ else {
+ int ng = (int) ( 1.0 * (r.width() - r.x() - 11) * ( myProgress > 0 ? myProgress : 0 ) / myTotal );
+ int h1, h2, s1, s2, v1, v2;
+ myStartColor.hsv( &h1, &s1, &v1 );
+ myEndColor.isValid() ? myEndColor.hsv( &h2, &s2, &v2 ) : myStartColor.hsv( &h2, &s2, &v2 );
+ for ( int i = 0; i < 9; i++ ) {
+ painter->setPen( QColor( h1 + ((h2-h1)*i)/8,
+ s1 + ((s2-s1)*i)/8,
+ v1 + ((v2-v1)*i)/8,
+ QColor::Hsv ) );
+ painter->drawLine( r.x()+6, r.height()-14+i, r.x()+6+ng, r.height()-14+i );
+ }
+ }
+ }
+ if ( !myMessage.isEmpty() ) {
+ int shift = myTotal > 0 ? 12 : 0;
+ int bottom = 0;
+ QFontMetrics f( font() );
+ int i = myMessage.length() - 1;
+ while( i >= 0 && myMessage[ i-- ] == '\n' )
+ bottom += f.lineSpacing();
+ QRect r1( r.x() + 5, r.y() + 5, r.width() - 10, r.height() - 10 - shift - bottom );
+ QRect r2 = r1;
+ if ( myAlignment & Qt::AlignLeft ) r2.setLeft ( r2.left() + 1 );
+ if ( myAlignment & Qt::AlignTop ) r2.setTop ( r2.top() + 1 );
+ if ( myAlignment & Qt::AlignRight ) r2.setRight ( r2.right() + 1 );
+ if ( myAlignment & Qt::AlignBottom ) r2.setBottom( r2.bottom() + 1 );
+ if ( myShadowColor.isValid() ) {
+ painter->setPen( myShadowColor );
+ painter->drawText( r2, myAlignment, myMessage );
+ }
+ painter->setPen( myColor );
+ painter->drawText( r1, myAlignment, myMessage );
+ }
+}
+
+/*!
+ Mouse press event.
+ Hides splash screen if the 'hide on mouse click' flag is set.
+ \sa setHideOnClick()
+*/
+void QtxSplash::mousePressEvent( QMouseEvent* )
+{
+ if ( myHideOnClick )
+ hide();
+}
+
+/*!
+ Processes custom event sent by setStatus() method.
+ \sa setStatus().
+*/
+void QtxSplash::customEvent( QCustomEvent* ce )
+{
+ if ( ce->type() == PROGRESS_EVENT ) {
+ ProgressEvent* pe = (ProgressEvent*)ce;
+ pe->message().isEmpty() ? clear() : message( pe->message() );
+ setProgress( pe->progress() );
+ qApp->processEvents();
+ }
+}
+
+/*!
+ Draws the splash screen window.
+*/
+void QtxSplash::drawContents()
+{
+ QPixmap textPix = myPixmap;
+ QPainter painter( &textPix, this );
+ drawContents( &painter );
+ setErasePixmap( textPix );
+}
--- /dev/null
+// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/
+//
+// File: QtxSplash.h
+// Author: Vadim SANDLER
+
+#ifndef QTXSPLASH_H
+#define QTXSPLASH_H
+
+#include "Qtx.h"
+
+#include <qpixmap.h>
+#include <qwidget.h>
+
+#ifdef WIN32
+#pragma warning( disable:4251 )
+#endif
+
+class QTX_EXPORT QtxSplash : public QWidget
+{
+ Q_OBJECT
+
+private:
+ QtxSplash( const QPixmap& = QPixmap() );
+
+public:
+ enum { Horizontal, Vertical };
+
+ virtual ~QtxSplash();
+
+ static QtxSplash* splash( const QPixmap& = QPixmap() );
+ static void setStatus( const QString& msg, const int progress = 0 );
+
+ void setPixmap( const QPixmap& );
+ QPixmap pixmap() const;
+
+ void setHideOnClick( const bool );
+ bool hideOnClick() const;
+
+ void setTotalSteps( const int );
+ int totalSteps() const;
+ void setProgress( const int );
+ int progress() const;
+ void setProgress( const int, const int );
+ void setProgressColors( const QColor&,
+ const QColor& = QColor(),
+ const int = Vertical );
+ int progressColors( QColor&, QColor& );
+
+ void setTextAlignment( const int );
+ int textAlignment() const;
+
+ void setTextColor( const QColor& );
+ QColor textColor() const;
+ void setTextColors( const QColor&, const QColor& = QColor() );
+ void textColors( QColor&, QColor& ) const;
+
+ void finish( QWidget* );
+ void repaint();
+
+public slots:
+ void message( const QString&,
+ const int,
+ const QColor& = white );
+ void message( const QString& );
+ void clear();
+
+protected:
+ virtual void mousePressEvent( QMouseEvent* );
+ virtual void customEvent( QCustomEvent* );
+ virtual void drawContents( QPainter* );
+
+private:
+ void drawContents();
+
+private:
+ static QtxSplash* mySplash;
+
+ QPixmap myPixmap;
+ QString myMessage;
+ int myAlignment;
+ QColor myColor;
+ QColor myShadowColor;
+ bool myHideOnClick;
+ int myProgress;
+ int myTotal;
+ QColor myStartColor;
+ QColor myEndColor;
+ int myGradientType;
+};
+
+#endif
