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
|
/*
* textedit.cpp
*
* Copyright 2008 gpg4usb-team <[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 "QDebug"
#include "QUrl"
class QFileDialog;
class QMessageBox;
#include "textedit.h"
TextEdit::TextEdit(QWidget *parent)
{
setAcceptDrops(true);
}
void TextEdit::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat("text/plain"))
qDebug() << "enter textedit drag action";
event->acceptProposedAction();
}
void TextEdit::dropEvent(QDropEvent* event)
{
this->setPlainText(event->mimeData()->text());
qDebug() << "enter textedit drop action";
qDebug() << event->mimeData()->text();
foreach (QUrl tmp, event->mimeData()->urls())
{
qDebug() << "hallo" << tmp;
}
//event->acceptProposedAction();
}
void TextEdit::quote()
{
QTextCursor cursor(this->document());
// beginEditBlock and endEditBlock() let operation look like single undo/redo operation
cursor.beginEditBlock();
cursor.setPosition(0);
cursor.insertText("> ");
while (!cursor.isNull() && !cursor.atEnd()) {
cursor.movePosition(QTextCursor::EndOfLine);
cursor.movePosition(QTextCursor::NextCharacter);
if(!cursor.atEnd())
cursor.insertText("> ");
}
cursor.endEditBlock();
}
bool TextEdit::isKey(QString key)
{
qDebug() << key.contains("-----BEGIN PGP PUBLIC KEY BLOCK-----", Qt::CaseSensitive);
return true;
}
void TextEdit::open()
{
if (maybeSave()) {
QString fileName = QFileDialog::getOpenFileName(this);
if (!fileName.isEmpty())
loadFile(fileName);
}
}
bool TextEdit::save()
{
if (curFile.isEmpty()) {
return saveAs();
} else {
return saveFile(curFile);
}
}
bool TextEdit::saveAs()
{
QString fileName = QFileDialog::getSaveFileName(this);
if (fileName.isEmpty())
return false;
return saveFile(fileName);
}
void TextEdit::loadFile(const QString &fileName)
{
QFile file(fileName);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, tr("Application"),
tr("Cannot read file %1:\n%2.")
.arg(fileName)
.arg(file.errorString()));
return;
}
QTextStream in(&file);
QApplication::setOverrideCursor(Qt::WaitCursor);
this->setPlainText(in.readAll());
QApplication::restoreOverrideCursor();
setCurrentFile(fileName);
// statusBar()->showMessage(tr("File loaded"), 2000);
}
void TextEdit::setCurrentFile(const QString &fileName)
{
curFile = fileName;
this->document()->setModified(false);
setWindowModified(false);
QString shownName;
if (curFile.isEmpty())
shownName = "untitled.txt";
else
shownName = strippedName(curFile);
//setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(qApp->applicationName()));
}
QString TextEdit::strippedName(const QString &fullFileName)
{
return QFileInfo(fullFileName).fileName();
}
bool TextEdit::maybeSave()
{
if (this->document()->isModified()) {
QMessageBox::StandardButton ret;
ret = QMessageBox::warning(this, tr("Application"),
tr("The document has been modified.\nDo you want to save your changes?"),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
if (ret == QMessageBox::Save)
return save();
else if (ret == QMessageBox::Cancel)
return false;
}
return true;
}
bool TextEdit::saveFile(const QString &fileName)
{
QFile file(fileName);
if (!file.open(QFile::WriteOnly | QFile::Text)) {
QMessageBox::warning(this, tr("File"),
tr("Cannot write file %1:\n%2.")
.arg(fileName)
.arg(file.errorString()));
return false;
}
QTextStream out(&file);
QApplication::setOverrideCursor(Qt::WaitCursor);
out << this->toPlainText();
QApplication::restoreOverrideCursor();
//statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000);
return true;
}
void TextEdit::print()
{
#ifndef QT_NO_PRINTER
QTextDocument *document = this->document();
QPrinter printer;
QPrintDialog *dlg = new QPrintDialog(&printer, this);
if (dlg->exec() != QDialog::Accepted)
return;
document->print(&printer);
//statusBar()->showMessage(tr("Ready"), 2000);
#endif
}
|
