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tqt3/tools/qvfb/qvfb.cpp

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/**********************************************************************
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of TQt/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 TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements 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 TQt Commercial licenses may use this file in
** accordance with the TQt 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>
TQVFb::TQVFb( int display_id, int w, int h, int d, const TQString &skin, TQWidget *parent,
const char *name, uint flags )
: TQMainWindow( parent, name, flags )
{
const TQMimeSource *m = TQMimeSourceFactory::defaultFactory()->data( "logo.png" );
if ( m ) {
TQPixmap pix;
TQImageDrag::decode( m, pix );
setIcon( pix );
}
imagesave = new TQFileDialog( this, 0, TRUE );
rateDlg = 0;
view = 0;
init( display_id, w, h, d, skin );
createMenu( menuBar() );
adjustSize();
}
TQVFb::~TQVFb()
{
}
void TQVFb::popupMenu()
{
TQPopupMenu *pm = new TQPopupMenu( this );
createMenu( pm );
pm->exec(TQCursor::pos());
}
void TQVFb::init( int display_id, int w, int h, int d, const TQString &skin_name )
{
setCaption( TQString("Virtual framebuffer %1x%2 %3bpp Display :%4")
.arg(w).arg(h).arg(d).arg(display_id) );
delete view;
if ( !skin_name.isEmpty() && TQFile::exists(skin_name) ) {
bool vis = isVisible();
if ( vis ) hide();
menuBar()->hide();
Skin *skin = new Skin( this, skin_name, w, h );
view = new TQVFbView( display_id, w, h, d, skin );
skin->setView( view );
view->setMargin( 0 );
view->setFrameStyle( TQFrame::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 TQVFbView( display_id, w, h, d, this );
view->setMargin( 0 );
view->setFrameStyle( TQFrame::NoFrame );
setCentralWidget( view );
resize( sizeHint() );
view->show();
}
currentSkin = skin_name;
}
void TQVFb::enableCursor( bool e )
{
view->viewport()->setCursor( e ? ArrowCursor : BlankCursor );
viewMenu->setItemChecked( cursorId, e );
}
void TQVFb::createMenu(TQMenuData *menu)
{
TQPopupMenu *file = new TQPopupMenu( 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 TQPopupMenu( 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 );
TQPopupMenu *help = new TQPopupMenu( this );
help->insertItem("&About", this, SLOT(about()));
help->insertItem("About &TQt", this, SLOT(aboutTQt()));
menu->insertSeparator();
menu->insertItem( "&Help", help );
}
void TQVFb::setZoom(double z)
{
view->setZoom(z);
}
void TQVFb::setZoomHalf()
{
setZoom(0.5);
}
void TQVFb::setZoom1()
{
setZoom(1);
}
void TQVFb::setZoom2()
{
setZoom(2);
}
void TQVFb::setZoom3()
{
setZoom(3);
}
void TQVFb::setZoom4()
{
setZoom(4);
}
void TQVFb::saveImage()
{
TQImage img = view->image();
TQString filename = imagesave->getSaveFileName("snapshot.png", "*.png", this, "", "Save Image");
if ( !!filename )
img.save(filename,"PNG");
}
void TQVFb::toggleAnimation()
{
if ( view->animating() ) {
view->stopAnimation();
} else {
TQString filename = imagesave->getSaveFileName("animation.mng", "*.mng", this, "", "Save animation");
if ( !filename ) {
view->stopAnimation();
} else {
view->startAnimation(filename);
}
}
}
void TQVFb::toggleCursor()
{
enableCursor( !viewMenu->isItemChecked( cursorId ) );
}
void TQVFb::changeRate()
{
if ( !rateDlg ) {
rateDlg = new TQVFbRateDialog( view->rate(), this );
connect( rateDlg, SIGNAL(updateRate(int)), view, SLOT(setRate(int)) );
}
rateDlg->show();
}
void TQVFb::about()
{
#if defined( Q_WS_MAC )
TQString platform("Mac OS X");
TQString qt("Mac");
#elif defined( Q_WS_WIN )
TQString platform("Windows");
TQString qt("Windows");
#else
TQString platform("X11");
TQString qt("X11");
#endif
TQMessageBox::about(this, "About TQVFB",
"<p><b><font size=+2>TQt/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 TQVFb::aboutTQt()
{
TQMessageBox::aboutTQt( this, tr("TQVFB") );
}
void TQVFb::configure()
{
config = new Config(this,0,TRUE);
int w = view->displayWidth();
int h = view->displayHeight();
TQString 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 TQVFb::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 TQVFb::setR400(int n)
{
double g = n/100.0;
view->setGamma(config->rslider->value()/100.0*g,
view->gammaGreen(),
view->gammaBlue());
updateGammaLabels();
}
void TQVFb::setG400(int n)
{
double g = n/100.0;
view->setGamma(view->gammaRed(),
config->gslider->value()/100.0*g,
view->gammaBlue());
updateGammaLabels();
}
void TQVFb::setB400(int n)
{
double g = n/100.0;
view->setGamma(view->gammaRed(),
view->gammaGreen(),
config->bslider->value()/100.0*g);
updateGammaLabels();
}
void TQVFb::updateGammaLabels()
{
config->rlabel->setText(TQString::number(view->gammaRed(),'g',2));
config->glabel->setText(TQString::number(view->gammaGreen(),'g',2));
config->blabel->setText(TQString::number(view->gammaBlue(),'g',2));
}
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