libs/widgets/KoZoomWidget.h

0001 /*
0002     Copyright (C) 2004 Ariya Hidayat <ariya@kde.org>
0003     Copyright (C) 2006 Peter Simonsson <peter.simonsson@gmail.com>
0004     Copyright (C) 2006-2007 C. Boemann <cbo@boemann.dk>
0005     Copyright (C) 2014 Sven Langkamp <sven.langkamp@gmail.com>
0006
0007     This library is free software; you can redistribute it and/or
0008     modify it under the terms of the GNU Library General Public
0009     License version 2 as published by the Free Software Foundation.
0010
0011     This library is distributed in the hope that it will be useful,
0012     but WITHOUT ANY WARRANTY; without even the implied warranty of
0013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014     Library General Public License for more details.
0015
0016     You should have received a copy of the GNU Library General Public License
0017     along with this library; see the file COPYING.LIB.  If not, write to
0018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0019     Boston, MA 02110-1301, USA.
0020 */
0021
0022 #ifndef KOZOOMWIDGET_H
0023 #define KOZOOMWIDGET_H
0024
0025 #include <QWidget>
0026 #include "KoZoomAction.h"
0027 #include <QScopedPointer>
0028
0029 class KoZoomWidget : public QWidget
0030 {
0031     Q_OBJECT
0032
0033 public:
0034     KoZoomWidget(QWidget* parent, KoZoomAction::SpecialButtons specialButtons, int maxZoom);
0035     ~KoZoomWidget() override;
0036
0037 Q_SIGNALS:
0038    /**
0039     * Signal sliderValueChanged is triggered when the user moves the slider
0040     * @param value value of the slider
0041     */
0042     void sliderValueChanged(int value);
0043
0044    /**
0045     * Signal zoomLevelChanged is triggered when the user changes the KoZoomInput combobox widget
0046     * @param level value of the slider
0047     */
0048     void zoomLevelChanged(const QString& level);
0049
0050    /**
0051     * Signal aspectModeChanged is triggered when the user toggles the widget.
0052     * Nothing else happens except that this signal is emitted.
0053     * @param status Whether the special aspect mode is on
0054     */
0055     void aspectModeChanged( bool status );
0056
0057     /**
0058      * Signal is triggered when the user clicks the zoom to selection button.
0059      * Nothing else happens except that this signal is emitted.
0060      */
0061     void zoomedToSelection();
0062
0063     /**
0064      * Signal is triggered when the user clicks the zoom to all button.
0065      * Nothing else happens except that this signal is emitted.
0066      */
0067     void zoomedToAll();
0068
0069 public Q_SLOTS:
0070     void setZoomLevels(const QStringList &values);
0071     void setCurrentZoomLevel(const QString &valueString);
0072     void setSliderValue(int value);
0073
0074    /**
0075     * Change status of "Use same aspect as pixels" button
0076     */
0077     void setAspectMode(bool status);
0078 private:
0079     class Private;
0080     QScopedPointer<Private> const d;
0081 };
0082
0083 #endif // KOZOOMWIDGET_H