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

1 files changed, 200 insertions, 0 deletions

diff --git a/kalarm/lib/lineedit.cpp b/kalarm/lib/lineedit.cpp
new file mode 100644
index 000000000..943d7b2d0
--- /dev/null
+++ b/kalarm/lib/lineedit.cpp
@@ -0,0 +1,200 @@
+/*
+ *  lineedit.cpp  -  Line edit widget with extra drag and drop options
+ *  Program:  kalarm
+ *  Copyright (C) 2003 - 2005 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "kalarm.h"
+
+#include <qregexp.h>
+#include <qdragobject.h>
+
+#include <kurldrag.h>
+#include <kurlcompletion.h>
+
+#include <libkdepim/maillistdrag.h>
+#include <libkdepim/kvcarddrag.h>
+#include <libkcal/icaldrag.h>
+
+#include "lineedit.moc"
+
+
+/*=============================================================================
+= Class LineEdit
+= Line edit which accepts drag and drop of text, URLs and/or email addresses.
+* It has an option to prevent its contents being selected when it receives
+= focus.
+=============================================================================*/
+LineEdit::LineEdit(Type type, QWidget* parent, const char* name)
+	: KLineEdit(parent, name),
+	  mType(type),
+	  mNoSelect(false),
+	  mSetCursorAtEnd(false)
+{
+	init();
+}
+
+LineEdit::LineEdit(QWidget* parent, const char* name)
+	: KLineEdit(parent, name),
+	  mType(Text),
+	  mNoSelect(false),
+	  mSetCursorAtEnd(false)
+{
+	init();
+}
+
+void LineEdit::init()
+{
+	if (mType == Url)
+	{
+		setCompletionMode(KGlobalSettings::CompletionShell);
+		KURLCompletion* comp = new KURLCompletion(KURLCompletion::FileCompletion);
+		comp->setReplaceHome(true);
+		setCompletionObject(comp);
+		setAutoDeleteCompletionObject(true);
+	}
+	else
+		setCompletionMode(KGlobalSettings::CompletionNone);
+}
+
+/******************************************************************************
+*  Called when the line edit receives focus.
+*  If 'noSelect' is true, prevent the contents being selected.
+*/
+void LineEdit::focusInEvent(QFocusEvent* e)
+{
+	if (mNoSelect)
+		QFocusEvent::setReason(QFocusEvent::Other);
+	KLineEdit::focusInEvent(e);
+	if (mNoSelect)
+	{
+		QFocusEvent::resetReason();
+		mNoSelect = false;
+	}
+}
+
+void LineEdit::setText(const QString& text)
+{
+	KLineEdit::setText(text);
+	setCursorPosition(mSetCursorAtEnd ? text.length() : 0);
+}
+
+void LineEdit::dragEnterEvent(QDragEnterEvent* e)
+{
+	if (KCal::ICalDrag::canDecode(e))
+		e->accept(false);   // don't accept "text/calendar" objects
+	e->accept(QTextDrag::canDecode(e)
+	       || KURLDrag::canDecode(e)
+	       || mType != Url && KPIM::MailListDrag::canDecode(e)
+	       || mType == Emails && KVCardDrag::canDecode(e));
+}
+
+void LineEdit::dropEvent(QDropEvent* e)
+{
+	QString               newText;
+	QStringList           newEmails;
+	QString               txt;
+	KPIM::MailList        mailList;
+	KURL::List            files;
+	KABC::Addressee::List addrList;
+
+	if (mType != Url
+	&&  e->provides(KPIM::MailListDrag::format())
+	&&  KPIM::MailListDrag::decode(e, mailList))
+	{
+		// KMail message(s) - ignore all but the first
+		if (mailList.count())
+		{
+			if (mType == Emails)
+				newText = mailList.first().from();
+			else
+				setText(mailList.first().subject());    // replace any existing text
+		}
+	}
+	// This must come before KURLDrag
+	else if (mType == Emails
+	&&  KVCardDrag::canDecode(e)  &&  KVCardDrag::decode(e, addrList))
+	{
+		// KAddressBook entries
+		for (KABC::Addressee::List::Iterator it = addrList.begin();  it != addrList.end();  ++it)
+		{
+			QString em((*it).fullEmail());
+			if (!em.isEmpty())
+				newEmails.append(em);
+		}
+	}
+	else if (KURLDrag::decode(e, files)  &&  files.count())
+	{
+		// URL(s)
+		switch (mType)
+		{
+			case Url:
+				// URL entry field - ignore all but the first dropped URL
+				setText(files.first().prettyURL());    // replace any existing text
+				break;
+			case Emails:
+			{
+				// Email entry field - ignore all but mailto: URLs
+				QString mailto = QString::fromLatin1("mailto");
+				for (KURL::List::Iterator it = files.begin();  it != files.end();  ++it)
+				{
+					if ((*it).protocol() == mailto)
+						newEmails.append((*it).path());
+				}
+				break;
+			}
+			case Text:
+				newText = files.first().prettyURL();
+				break;
+		}
+	}
+	else if (QTextDrag::decode(e, txt))
+	{
+		// Plain text
+		if (mType == Emails)
+		{
+			// Remove newlines from a list of email addresses, and allow an eventual mailto: protocol
+			QString mailto = QString::fromLatin1("mailto:");
+			newEmails = QStringList::split(QRegExp("[\r\n]+"), txt);
+			for (QStringList::Iterator it = newEmails.begin();  it != newEmails.end();  ++it)
+			{
+				if ((*it).startsWith(mailto))
+				{
+					KURL url(*it);
+					*it = url.path();
+				}
+			}
+		}
+		else
+		{
+			int newline = txt.find('\n');
+			newText = (newline >= 0) ? txt.left(newline) : txt;
+		}
+	}
+
+	if (newEmails.count())
+	{
+		newText = newEmails.join(",");
+		int c = cursorPosition();
+		if (c > 0)
+			newText.prepend(",");
+		if (c < static_cast<int>(text().length()))
+			newText.append(",");
+	}
+	if (!newText.isEmpty())
+		insert(newText);
+}