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tdepim/kalarm/lib/lineedit.cpp

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/*
* 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 <tqregexp.h>
#include <tqdragobject.h>
#include <kurldrag.h>
#include <kurlcompletion.h>
#include <libtdepim/maillistdrag.h>
#include <libtdepim/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, TQWidget* parent, const char* name)
: KLineEdit(parent, name),
mType(type),
mNoSelect(false),
mSetCursorAtEnd(false)
{
init();
}
LineEdit::LineEdit(TQWidget* 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(TQFocusEvent* e)
{
if (mNoSelect)
e->setReason(TQFocusEvent::Other);
KLineEdit::focusInEvent(e);
if (mNoSelect)
{
e->resetReason();
mNoSelect = false;
}
}
void LineEdit::setText(const TQString& text)
{
KLineEdit::setText(text);
setCursorPosition(mSetCursorAtEnd ? text.length() : 0);
}
void LineEdit::dragEnterEvent(TQDragEnterEvent* e)
{
if (KCal::ICalDrag::canDecode(e))
e->accept(false); // don't accept "text/calendar" objects
e->accept(TQTextDrag::canDecode(e)
|| KURLDrag::canDecode(e)
|| mType != Url && KPIM::MailListDrag::canDecode(e)
|| mType == Emails && KVCardDrag::canDecode(e));
}
void LineEdit::dropEvent(TQDropEvent* e)
{
TQString newText;
TQStringList newEmails;
TQString 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)
{
TQString 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
TQString mailto = TQString::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 (TQTextDrag::decode(e, txt))
{
// Plain text
if (mType == Emails)
{
// Remove newlines from a list of email addresses, and allow an eventual mailto: protocol
TQString mailto = TQString::fromLatin1("mailto:");
newEmails = TQStringList::split(TQRegExp("[\r\n]+"), txt);
for (TQStringList::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);
}