keepassxc/src/gui/EditWidget.h

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/*
* Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
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* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
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*
* 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/>.
*/
#ifndef KEEPASSX_EDITWIDGET_H
#define KEEPASSX_EDITWIDGET_H
#include <QScopedPointer>
#include <QStyledItemDelegate>
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#include <QtWidgets/QStyledItemDelegate>
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#include "gui/DialogyWidget.h"
#include "gui/MessageWidget.h"
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class QLabel;
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namespace Ui
{
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class EditWidget;
}
class EditWidget : public DialogyWidget
{
Q_OBJECT
public:
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explicit EditWidget(QWidget* parent = nullptr);
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~EditWidget();
void addPage(const QString& labelText, const QIcon& icon, QWidget* widget);
void setPageHidden(QWidget* widget, bool hidden);
void setCurrentPage(int index);
void setHeadline(const QString& text);
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QLabel* headlineLabel();
void setReadOnly(bool readOnly);
bool readOnly() const;
Grey out Apply button when there are no changes Resolves #1313 What this commit does: * Whenever the Apply button is pressed, and if the save was successful, then the Apply button is disabled. * Each subwidget used by EditEntryWidget has now a signal called `widgetUpdated` that is emitted when the widgets' internal content changes. The EditEntryWidget subscribes to that signal to know when to enable the Apply button (by calling `entryUpdated()`). * There are some views that are not isolated in their own widgets (`m_advancedUi`, for example) so in those cases I invoked `entryUpdated()` directly whenever I detected an update: * some updates occur directly in a Qt widget like when editing the text of a QLineItem, so in that case I connected the widget's signals directly to the `entryUpdated()` slot. * some updates occur in EditEntryWidget, so in those cases the invocation to `entryUpdated()` is made as soon as the change is detected (for example when the user has confirmed an action in a dialog). A known problem: there are some situations when the Apply button will get enabled even if there are no changes, this is because the app changes the value of a field by itself so it's considered an update (for example, clicking on the "Reveal" button changes the text shown in a text field). The solution to this can be a bit complicated: disabling temporarily the `entryUpdated()` whenever the app is going to do an action with such side-effects. So I preferred to let the Apply button get enabled in those cases.
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void enableApplyButton(bool enabled);
void showApplyButton(bool state);
virtual bool isModified() const;
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signals:
void apply();
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void accepted();
void rejected();
protected slots:
void showMessage(const QString& text, MessageWidget::MessageType type);
void hideMessage();
void setModified(bool state = true);
void buttonClicked(QAbstractButton* button);
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private:
const QScopedPointer<Ui::EditWidget> m_ui;
bool m_readOnly;
bool m_modified;
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Q_DISABLE_COPY(EditWidget)
};
#endif // KEEPASSX_EDITWIDGET_H