summaryrefslogtreecommitdiffstats
path: root/kalarm/lib/lineedit.cpp
blob: 16ca507e970e38988bbafa721e3924d7ebbe3bd0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/*
 *  lineedit.cpp  -  Line edit widget with extra drag and drop options
 *  Program:  kalarm
 *  Copyright (C) 2003 - 2005 by David Jarvie <[email protected]>
 *
 *  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::tqfromLatin1("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::tqfromLatin1("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);
}