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/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 556 insertions, 0 deletions

diff --git a/konq-plugins/searchbar/searchbar.cpp b/konq-plugins/searchbar/searchbar.cpp
new file mode 100644
index 0000000..51f5455
--- /dev/null
+++ b/konq-plugins/searchbar/searchbar.cpp
@@ -0,0 +1,556 @@
+/* This file is part of the KDE project
+   Copyright (C) 2004 Arend van Beelen jr. <arend@auton.nl>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This program 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
+    General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <unistd.h>
+
+#include <dcopclient.h>
+#include <kapplication.h>
+#include <kaction.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kdesktopfile.h>
+#include <kgenericfactory.h>
+#include <kglobal.h>
+#include <khtml_part.h>
+#include <kiconloader.h>
+#include <klineedit.h>
+#include <klocale.h>
+#include <kmimetype.h>
+#include <kprocess.h>
+#include <kprotocolmanager.h>
+#include <kstandarddirs.h>
+#include <kurifilter.h>
+
+#include <kparts/mainwindow.h>
+#include <kparts/partmanager.h>
+
+#include <qpainter.h>
+#include <qpopupmenu.h>
+#include <qtimer.h>
+#include <qstyle.h>
+#include <qwhatsthis.h>
+#include "searchbar.h"
+
+typedef KGenericFactory<SearchBarPlugin> SearchBarPluginFactory;
+K_EXPORT_COMPONENT_FACTORY(libsearchbarplugin,
+                           SearchBarPluginFactory("searchbarplugin"))
+
+
+SearchBarPlugin::SearchBarPlugin(QObject *parent, const char *name,
+                                 const QStringList &) :
+  KParts::Plugin(parent, name),
+  m_searchCombo(0),
+  m_searchMode(UseSearchProvider),
+  m_urlEnterLock(false)
+{
+	m_searchCombo = new SearchBarCombo(0L, "search combo");
+	m_searchCombo->setDuplicatesEnabled(false);
+	m_searchCombo->setMaxCount(5);
+	m_searchCombo->setFixedWidth(180);
+	m_searchCombo->setLineEdit(new KLineEdit(m_searchCombo));
+	m_searchCombo->lineEdit()->installEventFilter(this);
+
+	m_popupMenu = 0;
+
+	m_searchComboAction = new KWidgetAction(m_searchCombo, i18n("Search Bar"), 0,
+	                                                     0, 0, actionCollection(), "toolbar_search_bar");
+	m_searchComboAction->setShortcutConfigurable(false);
+
+	connect(m_searchCombo, SIGNAL(activated(const QString &)),
+	                       SLOT(startSearch(const QString &)));
+	connect(m_searchCombo, SIGNAL(iconClicked()), SLOT(showSelectionMenu()));
+
+	QWhatsThis::add(m_searchCombo, i18n("Search Bar<p>"
+	                                    "Enter a search term. Click on the icon to change search mode or provider."));
+
+	new KAction( i18n( "Focus Searchbar" ), CTRL+Key_S,
+			       this, SLOT(focusSearchbar()),
+			       actionCollection(), "focus_search_bar");
+
+	configurationChanged();
+
+	KParts::MainWindow *mainWin = static_cast<KParts::MainWindow*>(parent);
+
+	//Grab the part manager. Don't know of any other way, and neither does Tronical, so..
+	KParts::PartManager *partMan = static_cast<KParts::PartManager*>(mainWin->child(0, "KParts::PartManager"));
+	if (partMan)
+	{
+		connect(partMan, SIGNAL(activePartChanged(KParts::Part*)),
+		                 SLOT  (partChanged      (KParts::Part*)));
+		partChanged(partMan->activePart());
+	}
+}
+
+SearchBarPlugin::~SearchBarPlugin()
+{
+	KConfig *config = kapp->config();
+	config->setGroup("SearchBar");
+	config->writeEntry("Mode", (int) m_searchMode);
+	config->writeEntry("CurrentEngine", m_currentEngine);
+
+	delete m_searchCombo;
+	m_searchCombo = 0L;
+}
+
+QChar delimiter()
+{
+        KConfig config( "kuriikwsfilterrc", true, false );
+        config.setGroup( "General" );
+        return config.readNumEntry( "KeywordDelimiter", ':' );
+}
+
+bool SearchBarPlugin::eventFilter(QObject *o, QEvent *e)
+{
+	if( o==m_searchCombo->lineEdit() && e->type() == QEvent::KeyPress ) 
+	{
+		QKeyEvent *k = (QKeyEvent *)e;
+		if(k->state() & ControlButton)
+		{
+			if(k->key()==Key_Down)
+			{
+				nextSearchEntry();
+				return true;
+			}
+			if(k->key()==Key_Up)
+			{
+				previousSearchEntry();
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+void SearchBarPlugin::nextSearchEntry()
+{
+	if(m_searchMode == FindInThisPage)
+	{
+		m_searchMode = UseSearchProvider;
+		if(m_searchEngines.count())
+		{
+			m_currentEngine = *m_searchEngines.at(0);
+		}
+		else
+		{
+			m_currentEngine = "google";
+		}
+	}
+	else
+	{
+		QStringList::ConstIterator it = m_searchEngines.find(m_currentEngine);
+		it++;
+		if(it==m_searchEngines.end())
+		{
+			m_searchMode = FindInThisPage;
+		}
+		else
+		{
+			m_currentEngine = *it;
+		}
+	}
+	setIcon();
+}
+
+void SearchBarPlugin::previousSearchEntry()
+{
+	if(m_searchMode == FindInThisPage)
+	{
+		m_searchMode = UseSearchProvider;
+		if(m_searchEngines.count())
+		{
+			m_currentEngine = *m_searchEngines.fromLast();
+		}
+		else
+		{
+			m_currentEngine = "google";
+		}
+	}
+	else
+	{
+		QStringList::ConstIterator it = m_searchEngines.find(m_currentEngine);
+		if(it==m_searchEngines.begin())
+		{
+			m_searchMode = FindInThisPage;
+		}
+		else
+		{
+			it--;
+			m_currentEngine = *it;
+		}
+	}
+	setIcon();
+}
+
+void SearchBarPlugin::startSearch(const QString &search)
+{
+	if(m_urlEnterLock || search.isEmpty() || !m_part)
+		return;
+
+	if(m_searchMode == FindInThisPage)
+	{
+		m_part->findText(search, 0);
+		m_part->findTextNext();
+	}
+	else if(m_searchMode == UseSearchProvider)
+	{
+		m_urlEnterLock = true;
+	        KService::Ptr service;
+		KURIFilterData data;
+		QStringList list;
+		list << "kurisearchfilter" << "kuriikwsfilter";
+
+		service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(m_currentEngine));
+                if (service) {
+		    const QString searchProviderPrefix = *(service->property("Keys").toStringList().begin()) + delimiter();
+		    data.setData( searchProviderPrefix + search );
+                }
+
+		if(!service || !KURIFilter::self()->filterURI(data, list))
+		{
+			data.setData( QString::fromLatin1( "google" ) + delimiter() + search );
+			KURIFilter::self()->filterURI( data, list );
+		}
+
+		if(KApplication::keyboardMouseState() & Qt::ControlButton) 
+		{
+			KParts::URLArgs args;
+			args.setNewTab(true);
+			emit m_part->browserExtension()->createNewWindow( data.uri(), args );
+		}
+		else
+		{
+		        emit m_part->browserExtension()->openURLRequest(data.uri());
+		}
+	}
+
+	if(m_searchCombo->text(0).isEmpty())
+	{
+		m_searchCombo->changeItem(m_searchIcon, search, 0);
+	}
+	else
+	{
+		if(m_searchCombo->findHistoryItem(search) == -1)
+		{
+			m_searchCombo->insertItem(m_searchIcon, search, 0);
+		}
+	}
+
+	m_searchCombo->setCurrentText("");
+	m_urlEnterLock = false;
+}
+
+void SearchBarPlugin::setIcon()
+{
+	QString hinttext;
+	if(m_searchMode == FindInThisPage)
+	{
+		m_searchIcon = SmallIcon("find");
+		hinttext = i18n("Find in This Page");
+	}
+	else
+	{
+		QString providername;
+		KService::Ptr service;
+		KURIFilterData data;
+		QStringList list;
+		list << "kurisearchfilter" << "kuriikwsfilter";
+
+		service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(m_currentEngine));
+                if (service) {
+		    const QString searchProviderPrefix = *(service->property("Keys").toStringList().begin()) + delimiter();
+		    data.setData( searchProviderPrefix + "some keyword" );
+                }
+
+		if (service && KURIFilter::self()->filterURI(data, list))
+		{
+			QString iconPath = locate("cache", KMimeType::favIconForURL(data.uri()) + ".png");
+			if(iconPath.isEmpty())
+			{
+				m_searchIcon = SmallIcon("enhanced_browsing");
+			}
+			else
+			{
+				m_searchIcon = QPixmap(iconPath);
+			}
+			providername = service->name();
+		}
+		else
+		{
+			m_searchIcon = SmallIcon("google");
+			providername = "Google";
+		}
+		hinttext = i18n("%1 Search").arg(providername);;
+	}
+	static_cast<KLineEdit*>(m_searchCombo->lineEdit())->setClickMessage(hinttext);
+
+        // Create a bit wider icon with arrow
+	QPixmap arrowmap = QPixmap(m_searchIcon.width()+5,m_searchIcon.height()+5);
+	arrowmap.fill(m_searchCombo->lineEdit()->backgroundColor());
+	QPainter p( &arrowmap );
+	p.drawPixmap(0, 2, m_searchIcon);
+	QStyle::SFlags arrowFlags = QStyle::Style_Default;
+	m_searchCombo->style().drawPrimitive(QStyle::PE_ArrowDown, &p, QRect(arrowmap.width()-6, 
+	    arrowmap.height()-6, 6, 5), m_searchCombo->colorGroup(), arrowFlags, QStyleOption() );
+	p.end();
+	m_searchIcon = arrowmap;
+
+	m_searchCombo->setIcon(m_searchIcon);
+}
+
+void SearchBarPlugin::showSelectionMenu()
+{
+	if(!m_popupMenu)
+	{
+		KService::Ptr service;
+		QPixmap icon;
+		KURIFilterData data;
+		QStringList list;
+		list << "kurisearchfilter" << "kuriikwsfilter";
+
+		m_popupMenu = new QPopupMenu(m_searchCombo, "search selection menu");
+		m_popupMenu->insertItem(SmallIcon("find"), i18n("Find in This Page"), this, SLOT(useFindInThisPage()),  0, 999);
+		m_popupMenu->insertSeparator();
+
+		int i=-1;
+		for (QStringList::ConstIterator it = m_searchEngines.begin(); it != m_searchEngines.end(); ++it )
+		{
+			i++;
+			service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(*it));
+			if(!service)
+			{
+				continue;
+			}
+			const QString searchProviderPrefix = *(service->property("Keys").toStringList().begin()) + delimiter();
+			data.setData( searchProviderPrefix + "some keyword" );
+
+			if(KURIFilter::self()->filterURI(data, list))
+			{
+				QString iconPath = locate("cache", KMimeType::favIconForURL(data.uri()) + ".png");
+				if(iconPath.isEmpty())
+				{
+					icon = SmallIcon("enhanced_browsing");
+				}
+				else
+				{
+					icon = QPixmap( iconPath );
+				}
+			m_popupMenu->insertItem(icon, service->name(), i);
+			}
+		}
+
+		m_popupMenu->insertSeparator();
+		m_popupMenu->insertItem(SmallIcon("enhanced_browsing"), i18n("Select Search Engines..."),
+			this, SLOT(selectSearchEngines()), 0, 1000);
+		connect(m_popupMenu, SIGNAL(activated(int)), SLOT(useSearchProvider(int)));
+	}
+	m_popupMenu->popup(m_searchCombo->mapToGlobal(QPoint(0, m_searchCombo->height() + 1)), 0);
+}
+
+void SearchBarPlugin::useFindInThisPage()
+{
+	m_searchMode = FindInThisPage;
+	setIcon();
+}
+
+void SearchBarPlugin::useSearchProvider(int id)
+{
+	if(id>900)
+	{
+		// Not a search engine entry selected
+		return;
+	}
+	m_searchMode = UseSearchProvider;
+	m_currentEngine = *m_searchEngines.at(id);
+	setIcon();
+}
+
+void SearchBarPlugin::selectSearchEngines()
+{
+	KProcess *process = new KProcess;
+
+	*process << "kcmshell" << "ebrowsing";
+
+	connect(process, SIGNAL(processExited(KProcess *)), SLOT(searchEnginesSelected(KProcess *)));
+
+	if(!process->start())
+	{
+		kdDebug(1202) << "Couldn't invoke kcmshell." << endl;
+		delete process;
+	}
+}
+
+void SearchBarPlugin::searchEnginesSelected(KProcess *process)
+{
+	if(!process || process->exitStatus() == 0)
+	{
+		KConfig *config = kapp->config();
+		config->setGroup("SearchBar");
+		config->writeEntry("CurrentEngine", m_currentEngine);
+		config->sync();
+		configurationChanged();
+	}
+	delete process;
+}
+
+void SearchBarPlugin::configurationChanged()
+{
+	KConfig *config = new KConfig("kuriikwsfilterrc");
+	config->setGroup("General");
+	QString engine = config->readEntry("DefaultSearchEngine", "google");
+
+	QStringList favoriteEngines;
+	favoriteEngines << "google" << "google_groups" << "google_news" << "webster" << "dmoz" << "wikipedia";
+	favoriteEngines = config->readListEntry("FavoriteSearchEngines", favoriteEngines);
+
+	delete m_popupMenu;
+	m_popupMenu = 0;
+	m_searchEngines.clear();
+	m_searchEngines << engine;
+	for (QStringList::ConstIterator it = favoriteEngines.begin(); it != favoriteEngines.end(); ++it )
+		if(*it!=engine)
+			m_searchEngines << *it;
+
+	delete config;
+	if(engine.isEmpty())
+	{
+		m_providerName = "Google";
+	}
+	else
+	{
+		KDesktopFile file("searchproviders/" + engine + ".desktop", true, "services");
+		m_providerName = file.readName();
+	}
+
+	config = kapp->config();
+	config->setGroup("SearchBar");
+	m_searchMode = (SearchModes) config->readNumEntry("Mode", (int) UseSearchProvider);
+	m_currentEngine = config->readEntry("CurrentEngine", engine);
+
+	if ( m_currentEngine.isEmpty() )
+	    m_currentEngine = "google";
+
+	setIcon();
+}
+
+void SearchBarPlugin::partChanged(KParts::Part *newPart)
+{
+	m_part = ::qt_cast<KHTMLPart*>(newPart);
+
+	//Delay since when destroying tabs part 0 gets activated for a bit, before the proper part
+	QTimer::singleShot(0, this, SLOT(updateComboVisibility()));
+}
+
+void SearchBarPlugin::updateComboVisibility()
+{
+	if (m_part.isNull() || !m_searchComboAction->isPlugged())
+	{
+		m_searchCombo->setPluginActive(false);
+		m_searchCombo->hide();
+	}
+	else
+	{
+		m_searchCombo->setPluginActive(true);
+		m_searchCombo->show();
+	}
+}
+
+void SearchBarPlugin::focusSearchbar()
+{
+	QFocusEvent::setReason( QFocusEvent::Shortcut );
+	m_searchCombo->setFocus();
+	QFocusEvent::resetReason();
+}
+
+SearchBarCombo::SearchBarCombo(QWidget *parent, const char *name) :
+  KHistoryCombo(parent, name),
+  m_pluginActive(true)
+{
+	connect(this, SIGNAL(cleared()), SLOT(historyCleared()));
+}
+
+const QPixmap &SearchBarCombo::icon() const
+{
+	return m_icon;
+}
+
+void SearchBarCombo::setIcon(const QPixmap &icon)
+{
+	m_icon = icon;
+
+	if(count() == 0)
+	{
+		insertItem(m_icon, 0);
+	}
+	else
+	{
+		for(int i = 0; i < count(); i++)
+		{
+			changeItem(m_icon, text(i), i);
+		}
+	}
+}
+
+int SearchBarCombo::findHistoryItem(const QString &searchText)
+{
+	for(int i = 0; i < count(); i++)
+	{
+		if(text(i) == searchText)
+		{
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+void SearchBarCombo::mousePressEvent(QMouseEvent *e)
+{
+	int x0 = QStyle::visualRect( style().querySubControlMetrics( QStyle::CC_ComboBox, this, QStyle::SC_ComboBoxEditField ), this ).x();
+
+	if(e->x() > x0 + 2 && e->x() < lineEdit()->x())
+	{
+		emit iconClicked();
+
+		e->accept();
+	}
+	else
+	{
+		KHistoryCombo::mousePressEvent(e);
+	}
+}
+
+void SearchBarCombo::historyCleared()
+{
+	setIcon(m_icon);
+}
+
+void SearchBarCombo::setPluginActive(bool pluginActive)
+{
+	m_pluginActive = pluginActive;
+}
+
+void SearchBarCombo::show()
+{
+	if(m_pluginActive)
+	{
+		KHistoryCombo::show();
+	}
+}
+
+#include "searchbar.moc"