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/*****************************************************************
Copyright (c) 2000-2003 Matthias Hoelzer-Kluepfel <mhk@kde.org>
Tobias Koenig <tokoe@kde.org>
Daniel Molkentin <molkentin@kde.org>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************/
#include <qcheckbox.h>
#include <qfile.h>
#include <qhbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qpushbutton.h>
#include <qregexp.h>
#include <qtextstream.h>
#include <qimage.h>
#include <kaboutdata.h>
#include <kapplication.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kpushbutton.h>
#include <kseparator.h>
#include <kstandarddirs.h>
#include <kstdguiitem.h>
#include <ktextbrowser.h>
#include <kiconeffect.h>
#include <kglobalsettings.h>
#ifdef Q_WS_X11
#include <kwin.h>
#endif
#include "ktip.h"
KTipDatabase::KTipDatabase(const QString &_tipFile)
{
QString tipFile = _tipFile;
if (tipFile.isEmpty())
tipFile = QString::fromLatin1(KGlobal::instance()->aboutData()->appName()) + "/tips";
loadTips(tipFile);
if (!mTips.isEmpty())
mCurrent = kapp->random() % mTips.count();
}
KTipDatabase::KTipDatabase( const QStringList& tipsFiles )
{
if ( tipsFiles.isEmpty() || ( ( tipsFiles.count() == 1 ) && tipsFiles.first().isEmpty() ) )
{
addTips(QString::fromLatin1(KGlobal::instance()->aboutData()->appName()) + "/tips");
}
else
{
for (QStringList::ConstIterator it = tipsFiles.begin(); it != tipsFiles.end(); ++it)
addTips( *it );
}
if (!mTips.isEmpty())
mCurrent = kapp->random() % mTips.count();
}
void KTipDatabase::loadTips(const QString &tipFile)
{
mTips.clear();
addTips(tipFile);
}
// if you change something here, please update the script
// preparetips, which depends on extracting exactly the same
// text as done here.
void KTipDatabase::addTips(const QString& tipFile )
{
QString fileName = locate("data", tipFile);
if (fileName.isEmpty())
{
kdDebug() << "KTipDatabase::addTips: can't find '" << tipFile << "' in standard dirs" << endl;
return;
}
QFile file(fileName);
if (!file.open(IO_ReadOnly))
{
kdDebug() << "KTipDatabase::addTips: can't open '" << fileName << "' for reading" << endl;
return;
}
QByteArray data = file.readAll();
QString content = QString::fromUtf8(data.data(), data.size());
const QRegExp rx("\\n+");
int pos = -1;
while ((pos = content.find("<html>", pos + 1, false)) != -1)
{
// to make translations work, tip extraction here must exactly
// match what is done by the preparetips script
QString tip = content
.mid(pos + 6, content.find("</html>", pos, false) - pos - 6)
.replace(rx, "\n");
if (!tip.endsWith("\n"))
tip += "\n";
if (tip.startsWith("\n"))
tip = tip.mid(1);
if (tip.isEmpty())
{
kdDebug() << "Empty tip found! Skipping! " << pos << endl;
continue;
}
mTips.append(tip);
}
file.close();
}
void KTipDatabase::nextTip()
{
if (mTips.isEmpty())
return ;
mCurrent += 1;
if (mCurrent >= (int) mTips.count())
mCurrent = 0;
}
void KTipDatabase::prevTip()
{
if (mTips.isEmpty())
return ;
mCurrent -= 1;
if (mCurrent < 0)
mCurrent = mTips.count() - 1;
}
QString KTipDatabase::tip() const
{
if (mTips.isEmpty())
return QString::null;
return mTips[mCurrent];
}
KTipDialog *KTipDialog::mInstance = 0;
KTipDialog::KTipDialog(KTipDatabase *db, QWidget *parent, const char *name)
: KDialog(parent, name)
{
/**
* Parent is 0L when TipDialog is used as a mainWidget. This should
* be the case only in ktip, so let's use the ktip layout.
*/
bool isTipDialog = (parent);
QImage img;
int h,s,v;
mBlendedColor = KGlobalSettings::activeTitleColor();
mBlendedColor.hsv(&h,&s,&v);
mBlendedColor.setHsv(h, int(s*(71/76.0)), int(v*(67/93.0)));
if (!isTipDialog)
{
img = QImage(locate("data", "kdewizard/pics/wizard_small.png"));
// colorize and check to figure the correct color
KIconEffect::colorize(img, mBlendedColor, 1.0);
QRgb colPixel( img.pixel(0,0) );
mBlendedColor = QColor(qRed(colPixel),qGreen(colPixel),qBlue(colPixel));
}
mBaseColor = KGlobalSettings::alternateBackgroundColor();
mBaseColor.hsv(&h,&s,&v);
mBaseColor.setHsv(h, int(s*(10/6.0)), int(v*(93/99.0)));
mTextColor = KGlobalSettings::textColor();
mDatabase = db;
setCaption(i18n("Tip of the Day"));
#ifdef Q_WS_X11
KWin::setIcons( winId(),
KGlobal::iconLoader()->loadIcon( "idea", KIcon::NoGroup, 32 ),
KGlobal::iconLoader()->loadIcon( "idea", KIcon::NoGroup, 16 ) );
#endif
QVBoxLayout *vbox = new QVBoxLayout(this, marginHint(), spacingHint());
if (isTipDialog)
{
QHBoxLayout *pl = new QHBoxLayout(vbox, 0, 0);
QLabel *bulb = new QLabel(this);
bulb->setPixmap(locate("data", "kdeui/pics/ktip-bulb.png"));
pl->addWidget(bulb);
QLabel *titlePane = new QLabel(this);
titlePane->setBackgroundPixmap(locate("data", "kdeui/pics/ktip-background.png"));
titlePane->setText(i18n("Did you know...?\n"));
titlePane->setFont(QFont(KGlobalSettings::generalFont().family(), 20, QFont::Bold));
titlePane->setAlignment(QLabel::AlignCenter);
pl->addWidget(titlePane, 100);
}
QHBox *hbox = new QHBox(this);
hbox->setSpacing(0);
hbox->setFrameStyle(QFrame::Panel | QFrame::Sunken);
vbox->addWidget(hbox);
QHBox *tl = new QHBox(hbox);
tl->setMargin(7);
tl->setBackgroundColor(mBlendedColor);
QHBox *topLeft = new QHBox(tl);
topLeft->setMargin(15);
topLeft->setBackgroundColor(mBaseColor);
mTipText = new KTextBrowser(topLeft);
mTipText->setWrapPolicy( QTextEdit::AtWordOrDocumentBoundary );
mTipText->mimeSourceFactory()->addFilePath(
KGlobal::dirs()->findResourceDir("data", "kdewizard/pics")+"kdewizard/pics/");
mTipText->setFrameStyle(QFrame::NoFrame | QFrame::Plain);
mTipText->setHScrollBarMode(QScrollView::AlwaysOff);
mTipText->setLinkUnderline(false);
QStyleSheet *sheet = mTipText->styleSheet();
QStyleSheetItem *item = sheet->item("a");
item->setFontWeight(QFont::Bold);
mTipText->setStyleSheet(sheet);
QPalette pal = mTipText->palette();
pal.setColor( QPalette::Active, QColorGroup::Link, mBlendedColor );
pal.setColor( QPalette::Inactive, QColorGroup::Link, mBlendedColor );
mTipText->setPalette(pal);
QStringList icons = KGlobal::dirs()->resourceDirs("icon");
QStringList::Iterator it;
for (it = icons.begin(); it != icons.end(); ++it)
mTipText->mimeSourceFactory()->addFilePath(*it);
if (!isTipDialog)
{
QLabel *l = new QLabel(hbox);
l->setPixmap(img);
l->setBackgroundColor(mBlendedColor);
l->setAlignment(Qt::AlignRight | Qt::AlignBottom);
resize(550, 230);
QSize sh = size();
QRect rect = KGlobalSettings::splashScreenDesktopGeometry();
move(rect.x() + (rect.width() - sh.width())/2,
rect.y() + (rect.height() - sh.height())/2);
}
KSeparator* sep = new KSeparator( KSeparator::HLine, this);
vbox->addWidget(sep);
QHBoxLayout *hbox2 = new QHBoxLayout(vbox, 4);
mTipOnStart = new QCheckBox(i18n("&Show tips on startup"), this);
hbox2->addWidget(mTipOnStart, 1);
KPushButton *prev = new KPushButton( KStdGuiItem::back(
KStdGuiItem::UseRTL ), this );
prev->setText( i18n("&Previous") );
hbox2->addWidget(prev);
KPushButton *next = new KPushButton( KStdGuiItem::forward(
KStdGuiItem::UseRTL ), this );
next->setText( i18n("Opposite to Previous","&Next") );
hbox2->addWidget(next);
KPushButton *ok = new KPushButton(KStdGuiItem::close(), this);
ok->setDefault(true);
hbox2->addWidget(ok);
KConfigGroup config(kapp->config(), "TipOfDay");
mTipOnStart->setChecked(config.readBoolEntry("RunOnStart", true));
connect(next, SIGNAL(clicked()), this, SLOT(nextTip()));
connect(prev, SIGNAL(clicked()), this, SLOT(prevTip()));
connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
connect(mTipOnStart, SIGNAL(toggled(bool)), this, SLOT(showOnStart(bool)));
ok->setFocus();
nextTip();
}
KTipDialog::~KTipDialog()
{
if( mInstance==this )
mInstance = 0L;
}
void KTipDialog::showTip(const QString &tipFile, bool force)
{
showTip(kapp->mainWidget(), tipFile, force);
}
void KTipDialog::showTip(QWidget *parent, const QString &tipFile, bool force)
{
showMultiTip( parent, QStringList(tipFile), force );
}
void KTipDialog::showMultiTip(QWidget *parent, const QStringList &tipFiles, bool force)
{
KConfigGroup configGroup(kapp->config(), "TipOfDay");
const bool runOnStart = configGroup.readBoolEntry("RunOnStart", true);
if (!force)
{
if (!runOnStart)
return;
bool hasLastShown = configGroup.hasKey("TipLastShown");
if (hasLastShown)
{
const int oneDay = 24*60*60;
QDateTime lastShown = configGroup.readDateTimeEntry("TipLastShown");
// Show tip roughly once a week
if (lastShown.secsTo(QDateTime::currentDateTime()) < (oneDay + (kapp->random() % (10*oneDay))))
return;
}
configGroup.writeEntry("TipLastShown", QDateTime::currentDateTime());
kapp->config()->sync();
if (!hasLastShown)
return; // Don't show tip on first start
}
if (!mInstance)
mInstance = new KTipDialog(new KTipDatabase(tipFiles), parent);
else
// The application might have changed the RunOnStart option in its own
// configuration dialog, so we should update the checkbox.
mInstance->mTipOnStart->setChecked(runOnStart);
mInstance->show();
mInstance->raise();
}
void KTipDialog::prevTip()
{
mDatabase->prevTip();
mTipText->setText(QString::fromLatin1(
"<qt text=\"%1\" bgcolor=\"%2\">%3</qt>")
.arg(mTextColor.name())
.arg(mBaseColor.name())
.arg(i18n(mDatabase->tip().utf8())));
mTipText->setContentsPos(0, 0);
}
void KTipDialog::nextTip()
{
mDatabase->nextTip();
mTipText->setText(QString::fromLatin1("<qt text=\"%1\" bgcolor=\"%2\">%3</qt>")
.arg(mTextColor.name())
.arg(mBaseColor.name())
.arg(i18n(mDatabase->tip().utf8())));
mTipText->setContentsPos(0, 0);
}
void KTipDialog::showOnStart(bool on)
{
setShowOnStart(on);
}
void KTipDialog::setShowOnStart(bool on)
{
KConfigGroup config(kapp->config(), "TipOfDay");
config.writeEntry("RunOnStart", on);
config.sync();
}
bool KTipDialog::eventFilter(QObject *o, QEvent *e)
{
if (o == mTipText && e->type()== QEvent::KeyPress &&
(((QKeyEvent *)e)->key() == Key_Return ||
((QKeyEvent *)e)->key() == Key_Space ))
accept();
// If the user presses Return or Space, we close the dialog as if the
// default button was pressed even if the KTextBrowser has the keyboard
// focus. This could have the bad side-effect that the user cannot use the
// keyboard to open urls in the KTextBrowser, so we just let it handle
// the key event _additionally_. (Antonio)
return QWidget::eventFilter( o, e );
}
void KTipDialog::virtual_hook( int id, void* data )
{
KDialog::virtual_hook( id, data );
}
#include "ktip.moc"
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