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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* This file is part of GpgFrontend.
*
* GpgFrontend 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 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "PlainTextEditorPage.h"
#include "core/model/SettingsObject.h"
#include "core/thread/FileReadTask.h"
#include "core/thread/TaskRunnerGetter.h"
#include "ui/struct/settings_object/AppearanceSO.h"
#include "ui_PlainTextEditor.h"
namespace GpgFrontend::UI {
PlainTextEditorPage::PlainTextEditorPage(QString file_path, QWidget *parent)
: QWidget(parent),
ui_(GpgFrontend::SecureCreateSharedObject<Ui_PlainTextEditor>()),
full_file_path_(std::move(file_path)) {
ui_->setupUi(this);
ui_->textPage->setFocus();
ui_->loadingLabel->setHidden(true);
// font size
AppearanceSO appearance(SettingsObject("general_settings_state"));
ui_->textPage->setFont(QFont("Courier", appearance.text_editor_font_size));
this->setAttribute(Qt::WA_DeleteOnClose);
this->ui_->characterLabel->setText(tr("0 character"));
this->ui_->lfLabel->setHidden(true);
this->ui_->encodingLabel->setText("Unicode");
this->ui_->textPage->setAcceptDrops(false);
setAcceptDrops(false);
connect(ui_->textPage, &QPlainTextEdit::textChanged, this, [=]() {
// if file is loading
if (!read_done_) return;
auto text = ui_->textPage->document()->toPlainText();
auto str = tr("%1 character(s)").arg(text.size());
this->ui_->characterLabel->setText(str);
});
if (full_file_path_.isEmpty()) {
read_done_ = true;
ui_->loadingLabel->setHidden(true);
} else {
read_done_ = false;
ui_->loadingLabel->setText(tr("Loading..."));
ui_->loadingLabel->setHidden(false);
}
}
const QString &PlainTextEditorPage::GetFilePath() const {
return full_file_path_;
}
QPlainTextEdit *PlainTextEditorPage::GetTextPage() { return ui_->textPage; }
void PlainTextEditorPage::NotifyFileSaved() {
this->is_crlf_ = false;
this->ui_->lfLabel->setText(tr("lf"));
this->ui_->encodingLabel->setText(tr("UTF-8"));
}
void PlainTextEditorPage::SetFilePath(const QString &filePath) {
full_file_path_ = filePath;
}
void PlainTextEditorPage::ShowNotificationWidget(QWidget *widget,
const char *className) {
widget->setProperty(className, true);
ui_->verticalLayout->addWidget(widget);
}
void PlainTextEditorPage::CloseNoteByClass(const char *className) {
QList<QWidget *> widgets = findChildren<QWidget *>();
for (QWidget *widget : widgets) {
if (widget->property(className) == true) {
widget->close();
}
}
}
void PlainTextEditorPage::slot_format_gpg_header() {
QString content = ui_->textPage->toPlainText();
// Get positions of the gpg-headers, if they exist
auto start = content.indexOf(GpgFrontend::PGP_SIGNED_BEGIN);
auto start_sig = content.indexOf(GpgFrontend::PGP_SIGNATURE_BEGIN);
auto end_sig = content.indexOf(GpgFrontend::PGP_SIGNATURE_END);
if (start < 0 || start_sig < 0 || end_sig < 0 || sign_marked_) {
return;
}
sign_marked_ = true;
// Set the fontstyle for the header
QTextCharFormat sign_format;
sign_format.setForeground(QBrush(QColor::fromRgb(80, 80, 80)));
sign_format.setFontPointSize(9);
// set font style for the signature
QTextCursor cursor(ui_->textPage->document());
cursor.setPosition(start_sig, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, end_sig);
cursor.setCharFormat(sign_format);
// set the font style for the header
int head_end = content.indexOf("\n\n", start);
cursor.setPosition(start, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, head_end);
cursor.setCharFormat(sign_format);
}
void PlainTextEditorPage::ReadFile() {
read_done_ = false;
read_bytes_ = 0;
auto *text_page = this->GetTextPage();
text_page->setEnabled(false);
text_page->setReadOnly(true);
text_page->blockSignals(true);
text_page->document()->blockSignals(true);
ui_->loadingLabel->setHidden(false);
const auto target_path = this->full_file_path_;
auto task_runner =
GpgFrontend::Thread::TaskRunnerGetter::GetInstance().GetTaskRunner();
auto *read_task = new FileReadTask(target_path);
connect(read_task, &FileReadTask::SignalFileBytesRead, this,
&PlainTextEditorPage::slot_insert_text, Qt::QueuedConnection);
connect(this, &PlainTextEditorPage::SignalUIBytesDisplayed, read_task,
&FileReadTask::SignalFileBytesReadNext, Qt::QueuedConnection);
connect(this, &PlainTextEditorPage::close, read_task,
[=]() { emit read_task->SignalTaskShouldEnd(0); });
connect(read_task, &FileReadTask::SignalFileBytesReadEnd, this, [=]() {
// set the UI
FLOG_D("file read done");
this->read_done_ = true;
text_page->setEnabled(true);
text_page->document()->setModified(false);
text_page->blockSignals(false);
text_page->document()->blockSignals(false);
text_page->setReadOnly(false);
this->ui_->loadingLabel->setHidden(true);
});
task_runner->PostTask(read_task);
}
auto BinaryToString(const QByteArray &source) -> QString {
static const char kSyms[] = "0123456789ABCDEF";
QString buffer;
QTextStream ss(&buffer);
for (auto c : source) ss << kSyms[((c >> 4) & 0xf)] << kSyms[c & 0xf] << " ";
return buffer;
}
void PlainTextEditorPage::slot_insert_text(QByteArray bytes_data) {
// If the previous data ended with a '\r' and the current data starts with
// '\n', combine them to form a complete '\r\n' to avoid incorrect line
// breaks.
if (last_insert_has_partial_cr_ && !bytes_data.isEmpty() &&
bytes_data.startsWith('\n')) {
bytes_data.prepend('\r'); // Prepend '\r' to ensure '\r\n' stays together.
}
// Check if the current data ends with '\r'.
if (!bytes_data.isEmpty() && bytes_data.endsWith('\r')) {
// If the data ends with '\r', set the flag indicating an incomplete line
// ending.
last_insert_has_partial_cr_ = true;
// Remove the trailing '\r' and hold it for the next chunk of data.
bytes_data.chop(1);
} else {
// If the data does not end with '\r', reset the flag.
last_insert_has_partial_cr_ = false;
}
read_bytes_ += bytes_data.size();
if (bytes_data.contains("VusEk")) {
LOG_D() << "WWWWWWW PPP: " << bytes_data;
}
// insert the text to the text page
this->GetTextPage()->insertPlainText(bytes_data);
this->ui_->characterLabel->setText(
tr("%1 character(s)").arg(this->GetTextPage()->toPlainText().size()));
QTimer::singleShot(25, this, &PlainTextEditorPage::SignalUIBytesDisplayed);
}
} // namespace GpgFrontend::UI
|
