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+/**********************************************************************
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of Qt/Embedded virtual framebuffer.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with
+** the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qvfb.h"
+#include "qvfbview.h"
+#include "qvfbratedlg.h"
+#include "config.h"
+#include "skin.h"
+
+#include <qmenubar.h>
+#include <qpopupmenu.h>
+#include <qapplication.h>
+#include <qmessagebox.h>
+#include <qcombobox.h>
+#include <qlabel.h>
+#include <qfiledialog.h>
+#include <qslider.h>
+#include <qspinbox.h>
+#include <qradiobutton.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qcursor.h>
+#include <qdragobject.h>
+#include <qcheckbox.h>
+
+QVFb::QVFb( int display_id, int w, int h, int d, const QString &skin, QWidget *parent,
+ const char *name, uint flags )
+ : QMainWindow( parent, name, flags )
+{
+ const QMimeSource *m = QMimeSourceFactory::defaultFactory()->data( "logo.png" );
+ if ( m ) {
+ QPixmap pix;
+ QImageDrag::decode( m, pix );
+ setIcon( pix );
+ }
+
+ imagesave = new QFileDialog( this, 0, TRUE );
+
+ rateDlg = 0;
+ view = 0;
+ init( display_id, w, h, d, skin );
+ createMenu( menuBar() );
+ adjustSize();
+}
+
+QVFb::~QVFb()
+{
+}
+
+void QVFb::popupMenu()
+{
+ QPopupMenu *pm = new QPopupMenu( this );
+ createMenu( pm );
+ pm->exec(QCursor::pos());
+}
+
+void QVFb::init( int display_id, int w, int h, int d, const QString &skin_name )
+{
+ setCaption( QString("Virtual framebuffer %1x%2 %3bpp Display :%4")
+ .arg(w).arg(h).arg(d).arg(display_id) );
+ delete view;
+
+ if ( !skin_name.isEmpty() && QFile::exists(skin_name) ) {
+ bool vis = isVisible();
+ if ( vis ) hide();
+ menuBar()->hide();
+ Skin *skin = new Skin( this, skin_name, w, h );
+ view = new QVFbView( display_id, w, h, d, skin );
+ skin->setView( view );
+ view->setMargin( 0 );
+ view->setFrameStyle( QFrame::NoFrame );
+ view->setFixedSize( w, h );
+ setCentralWidget( skin );
+ adjustSize();
+ view->show();
+ if ( vis ) show();
+ } else {
+ if ( !currentSkin.isEmpty() ) {
+ clearMask();
+ reparent( 0, 0, pos(), TRUE );
+ }
+ menuBar()->show();
+ view = new QVFbView( display_id, w, h, d, this );
+ view->setMargin( 0 );
+ view->setFrameStyle( QFrame::NoFrame );
+ setCentralWidget( view );
+ resize( sizeHint() );
+ view->show();
+ }
+
+ currentSkin = skin_name;
+}
+
+void QVFb::enableCursor( bool e )
+{
+ view->viewport()->setCursor( e ? ArrowCursor : BlankCursor );
+ viewMenu->setItemChecked( cursorId, e );
+}
+
+void QVFb::createMenu(QMenuData *menu)
+{
+ QPopupMenu *file = new QPopupMenu( this );
+ file->insertItem( "&Configure...", this, SLOT(configure()), ALT+CTRL+Key_C );
+ file->insertSeparator();
+ file->insertItem( "&Save image...", this, SLOT(saveImage()), ALT+CTRL+Key_S );
+ file->insertItem( "&Animation...", this, SLOT(toggleAnimation()), ALT+CTRL+Key_A );
+ file->insertSeparator();
+ file->insertItem( "&Quit", qApp, SLOT(quit()) );
+
+ menu->insertItem( "&File", file );
+
+ viewMenu = new QPopupMenu( this );
+ viewMenu->setCheckable( TRUE );
+ cursorId = viewMenu->insertItem( "Show &Cursor", this, SLOT(toggleCursor()) );
+ enableCursor(TRUE);
+ viewMenu->insertItem( "&Refresh Rate...", this, SLOT(changeRate()) );
+ viewMenu->insertSeparator();
+ viewMenu->insertItem( "Zoom scale &1", this, SLOT(setZoom1()) );
+ viewMenu->insertItem( "Zoom scale &2", this, SLOT(setZoom2()) );
+ viewMenu->insertItem( "Zoom scale &3", this, SLOT(setZoom3()) );
+ viewMenu->insertItem( "Zoom scale &4", this, SLOT(setZoom4()) );
+ viewMenu->insertItem( "Zoom scale &0.5", this, SLOT(setZoomHalf()) );
+
+ menu->insertItem( "&View", viewMenu );
+
+ QPopupMenu *help = new QPopupMenu( this );
+ help->insertItem("&About", this, SLOT(about()));
+ help->insertItem("About &Qt", this, SLOT(aboutQt()));
+ menu->insertSeparator();
+ menu->insertItem( "&Help", help );
+}
+
+void QVFb::setZoom(double z)
+{
+ view->setZoom(z);
+}
+
+void QVFb::setZoomHalf()
+{
+ setZoom(0.5);
+}
+
+void QVFb::setZoom1()
+{
+ setZoom(1);
+}
+
+void QVFb::setZoom2()
+{
+ setZoom(2);
+}
+
+void QVFb::setZoom3()
+{
+ setZoom(3);
+}
+
+void QVFb::setZoom4()
+{
+ setZoom(4);
+}
+
+void QVFb::saveImage()
+{
+ QImage img = view->image();
+ QString filename = imagesave->getSaveFileName("snapshot.png", "*.png", this, "", "Save Image");
+ if ( !!filename )
+ img.save(filename,"PNG");
+}
+
+void QVFb::toggleAnimation()
+{
+ if ( view->animating() ) {
+ view->stopAnimation();
+ } else {
+ QString filename = imagesave->getSaveFileName("animation.mng", "*.mng", this, "", "Save animation");
+ if ( !filename ) {
+ view->stopAnimation();
+ } else {
+ view->startAnimation(filename);
+ }
+ }
+}
+
+void QVFb::toggleCursor()
+{
+ enableCursor( !viewMenu->isItemChecked( cursorId ) );
+}
+
+void QVFb::changeRate()
+{
+ if ( !rateDlg ) {
+ rateDlg = new QVFbRateDialog( view->rate(), this );
+ connect( rateDlg, SIGNAL(updateRate(int)), view, SLOT(setRate(int)) );
+ }
+
+ rateDlg->show();
+}
+
+void QVFb::about()
+{
+#if defined( Q_WS_MAC )
+ QString platform("Mac OS X");
+ QString qt("Mac");
+#elif defined( Q_WS_WIN )
+ QString platform("Windows");
+ QString qt("Windows");
+#else
+ QString platform("X11");
+ QString qt("X11");
+#endif
+ QMessageBox::about(this, "About QVFB",
+ "<p><b><font size=+2>Qt/Embedded Virtual " + platform + " Framebuffer</font></b></p>"
+ "<p></p>"
+ "<p>Version 1.0</p>"
+ "<p>Copyright (C) 2001-2008 Trolltech ASA. All rights reserved.</p>"
+ "<p></p>"
+ "<p>This program is licensed to you under the terms of the GNU General "
+ "Public License Version 2 as published by the Free Software Foundation. This "
+ "gives you legal permission to copy, distribute and/or modify this software "
+ "under certain conditions. For details, see the file 'LICENSE.GPL' that came with "
+ "this software distribution. If you did not get the file, send email to "
+ "info@trolltech.com.</p>\n\n<p>The program is provided AS IS with NO WARRANTY "
+ "OF ANY KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS "
+ "FOR A PARTICULAR PURPOSE.</p>"
+ );
+}
+
+void QVFb::aboutQt()
+{
+ QMessageBox::aboutQt( this, tr("QVFB") );
+}
+
+void QVFb::configure()
+{
+ config = new Config(this,0,TRUE);
+
+ int w = view->displayWidth();
+ int h = view->displayHeight();
+ QString skin;
+ config->size_width->setValue(w);
+ config->size_height->setValue(h);
+ config->size_custom->setChecked(TRUE); // unless changed by settings below
+ config->size_240_320->setChecked(w==240&&h==320);
+ config->size_320_240->setChecked(w==320&&h==240);
+ config->size_640_480->setChecked(w==640&&h==480);
+ config->skin->setEditable(TRUE);
+ if (!currentSkin.isNull()) {
+ config->size_skin->setChecked(TRUE);
+ config->skin->setEditText(currentSkin);
+ }
+ config->touchScreen->setChecked(view->touchScreenEmulation());
+ config->depth_1->setChecked(view->displayDepth()==1);
+ config->depth_4gray->setChecked(view->displayDepth()==4);
+ config->depth_8->setChecked(view->displayDepth()==8);
+ config->depth_12->setChecked(view->displayDepth()==12);
+ config->depth_16->setChecked(view->displayDepth()==16);
+ config->depth_32->setChecked(view->displayDepth()==32);
+ if ( view->gammaRed() == view->gammaGreen() && view->gammaGreen() == view->gammaBlue() ) {
+ config->gammaslider->setValue(int(view->gammaRed()*400));
+ config->rslider->setValue(100);
+ config->gslider->setValue(100);
+ config->bslider->setValue(100);
+ } else {
+ config->gammaslider->setValue(100);
+ config->rslider->setValue(int(view->gammaRed()*400));
+ config->gslider->setValue(int(view->gammaGreen()*400));
+ config->bslider->setValue(int(view->gammaBlue()*400));
+ }
+ connect(config->gammaslider, SIGNAL(valueChanged(int)), this, SLOT(setGamma400(int)));
+ connect(config->rslider, SIGNAL(valueChanged(int)), this, SLOT(setR400(int)));
+ connect(config->gslider, SIGNAL(valueChanged(int)), this, SLOT(setG400(int)));
+ connect(config->bslider, SIGNAL(valueChanged(int)), this, SLOT(setB400(int)));
+ updateGammaLabels();
+
+ double ogr=view->gammaRed(), ogg=view->gammaGreen(), ogb=view->gammaBlue();
+
+ if ( config->exec() ) {
+ int id = view->displayId(); // not settable yet
+ if ( config->size_240_320->isChecked() ) {
+ w=240; h=320;
+ } else if ( config->size_320_240->isChecked() ) {
+ w=320; h=240;
+ } else if ( config->size_640_480->isChecked() ) {
+ w=640; h=480;
+ } else if ( config->size_skin->isChecked() ) {
+ skin = config->skin->currentText();
+ } else {
+ w=config->size_width->value();
+ h=config->size_height->value();
+ }
+ int d;
+ if ( config->depth_1->isChecked() )
+ d=1;
+ else if ( config->depth_4gray->isChecked() )
+ d=4;
+ else if ( config->depth_8->isChecked() )
+ d=8;
+ else if ( config->depth_12->isChecked() )
+ d=12;
+ else if ( config->depth_16->isChecked() )
+ d=16;
+ else
+ d=32;
+
+ if ( w != view->displayWidth() || h != view->displayHeight()
+ || d != view->displayDepth() || skin != currentSkin )
+ init( id, w, h, d, skin );
+ view->setTouchscreenEmulation( config->touchScreen->isChecked() );
+ } else {
+ view->setGamma(ogr, ogg, ogb);
+ }
+
+ delete config;
+ config=0;
+}
+
+void QVFb::setGamma400(int n)
+{
+ double g = n/100.0;
+ view->setGamma(config->rslider->value()/100.0*g,
+ config->gslider->value()/100.0*g,
+ config->bslider->value()/100.0*g);
+ updateGammaLabels();
+}
+
+void QVFb::setR400(int n)
+{
+ double g = n/100.0;
+ view->setGamma(config->rslider->value()/100.0*g,
+ view->gammaGreen(),
+ view->gammaBlue());
+ updateGammaLabels();
+}
+
+void QVFb::setG400(int n)
+{
+ double g = n/100.0;
+ view->setGamma(view->gammaRed(),
+ config->gslider->value()/100.0*g,
+ view->gammaBlue());
+ updateGammaLabels();
+}
+
+void QVFb::setB400(int n)
+{
+ double g = n/100.0;
+ view->setGamma(view->gammaRed(),
+ view->gammaGreen(),
+ config->bslider->value()/100.0*g);
+ updateGammaLabels();
+}
+
+void QVFb::updateGammaLabels()
+{
+ config->rlabel->setText(QString::number(view->gammaRed(),'g',2));
+ config->glabel->setText(QString::number(view->gammaGreen(),'g',2));
+ config->blabel->setText(QString::number(view->gammaBlue(),'g',2));
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-10-19 19:52:15 +0000