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Add preview functionality for entry attachments
Supported types: - text - image Fixes #11506
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w15dev
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Jan 8, 2025
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * Copyright (C) 2021 KeePassXC 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 or (at your option) | ||
| * version 3 of the License. | ||
| * | ||
| * 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, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| #include "PreviewEntryAttachmentsDialog.h" | ||
| #include "core/EntryAttachments.h" | ||
| #include "ui_EntryAttachmentsDialog.h" | ||
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| #include <QDialogButtonBox> | ||
| #include <QMimeDatabase> | ||
| #include <QTextCursor> | ||
| #include <QtGlobal> | ||
|
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| PreviewEntryAttachmentsDialog::PreviewEntryAttachmentsDialog(QPointer<EntryAttachments> attachments, QWidget* parent) | ||
| : QDialog(parent) | ||
| , m_attachments(std::move(attachments)) | ||
| , m_ui(new Ui::EntryAttachmentsDialog) | ||
| { | ||
| Q_ASSERT(m_attachments); | ||
|
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| m_ui->setupUi(this); | ||
|
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| setWindowTitle(tr("Preview entry attachment")); | ||
|
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| m_ui->titleEdit->setReadOnly(true); | ||
| m_ui->attachmentTextEdit->setReadOnly(true); | ||
|
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| m_ui->dialogButtons->clear(); | ||
| m_ui->dialogButtons->addButton(QDialogButtonBox::Close); | ||
|
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| connect(m_ui->dialogButtons, SIGNAL(rejected()), this, SLOT(reject())); | ||
| } | ||
|
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| PreviewEntryAttachmentsDialog::~PreviewEntryAttachmentsDialog() = default; | ||
|
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| void PreviewEntryAttachmentsDialog::setAttachment(const QString& name) | ||
| { | ||
| m_name = name; | ||
| m_type = attachmentType(m_name); | ||
|
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| m_ui->titleEdit->setText(m_name); | ||
|
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| update(); | ||
| } | ||
|
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| void PreviewEntryAttachmentsDialog::update() | ||
| { | ||
| if (m_type == AttachmentType::Unknown) { | ||
| updateTextAttachment(tr("No preview available").toUtf8()); | ||
| } else if (const auto data = m_attachments->value(m_name); m_type == AttachmentType::Image) { | ||
| updateImageAttachment(data); | ||
| } else if (m_type == AttachmentType::PlantText) { | ||
| updateTextAttachment(data); | ||
| } | ||
| } | ||
|
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| void PreviewEntryAttachmentsDialog::updateTextAttachment(const QByteArray& data) | ||
| { | ||
| m_ui->attachmentTextEdit->setPlainText(QString::fromUtf8(data)); | ||
| } | ||
|
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| void PreviewEntryAttachmentsDialog::updateImageAttachment(const QByteArray& data) | ||
| { | ||
| QImage image{}; | ||
| image.loadFromData(data); | ||
|
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| m_ui->attachmentTextEdit->clear(); | ||
| auto cursor = m_ui->attachmentTextEdit->textCursor(); | ||
|
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| cursor.insertImage(image.scaled(m_ui->attachmentTextEdit->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation)); | ||
| } | ||
|
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| PreviewEntryAttachmentsDialog::AttachmentType PreviewEntryAttachmentsDialog::attachmentType(const QString& name) const | ||
| { | ||
| const auto data = m_attachments->value(name); | ||
|
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| QMimeDatabase mimeDb{}; | ||
| const auto mime = mimeDb.mimeTypeForData(data); | ||
|
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| if (auto mimeName = mime.name(); mimeName.startsWith("image/")) { | ||
| return AttachmentType::Image; | ||
| } else if (mimeName.startsWith("text/")) { | ||
| return AttachmentType::PlantText; | ||
| } | ||
|
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| return AttachmentType::Unknown; | ||
| } | ||
|
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| void PreviewEntryAttachmentsDialog::resizeEvent(QResizeEvent* event) | ||
| { | ||
| QDialog::resizeEvent(event); | ||
|
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| if (m_type == AttachmentType::Image) { | ||
| update(); | ||
| } | ||
| } |
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