source: smplayer/trunk/src/videopreview/videopreviewconfigdialog.cpp

/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2017 Ricardo Villalba <rvm@users.sourceforge.net>

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "videopreviewconfigdialog.h"
#include <QImageReader>

VideoPreviewConfigDialog::VideoPreviewConfigDialog( QWidget* parent, Qt::WindowFlags f )
        : QDialog(parent, f)
{
        setupUi(this);

        connect(filename_edit, SIGNAL(textChanged(const QString &)),
            this, SLOT(filenameChanged(const QString &)) );

        dvd_device_label->setVisible(false);
        dvd_device_edit->setVisible(false);

        aspect_ratio_combo->addItem(tr("Default"), 0);
        aspect_ratio_combo->addItem("4:3", (double) 4/3);
        aspect_ratio_combo->addItem("16:9", (double) 16/9);
        aspect_ratio_combo->addItem("2.35:1", 2.35);

        format_combo->addItem("png", VideoPreview::PNG);
        if (QImageReader::supportedImageFormats().contains("jpg")) {
                format_combo->addItem("jpg", VideoPreview::JPEG);
        }

        filename_edit->setWhatsThis( tr("The preview will be created for the video you specify here.") );
        dvd_device_edit->setWhatsThis( tr("Enter here the DVD device or a folder with a DVD image.") );
        columns_spin->setWhatsThis( tr("The thumbnails will be arranged on a table.") +" "+ tr("This option specifies the number of columns of the table.") );
        rows_spin->setWhatsThis( tr("The thumbnails will be arranged on a table.") +" "+ tr("This option specifies the number of rows of the table.") );
        osd_check->setWhatsThis( tr("If you check this option, the playing time will be displayed at the bottom of each thumbnail.") );
        aspect_ratio_combo->setWhatsThis( tr("If the aspect ratio of the video is wrong, you can specify a different one here.") );
        initial_step_spin->setWhatsThis( tr("Usually the first frames are black, so it's a good idea to skip some seconds at the beginning of the video. "
                                        "This option allows to specify how many seconds will be skipped.") );
        max_width_spin->setWhatsThis( tr("This option specifies the maximum width in pixels that the generated preview image will have.") );
        format_combo->setWhatsThis( tr("Some frames will be extracted from the video in order to create the preview. Here you can choose "
                                   "the image format for the extracted frames. PNG may give better quality.") );

        layout()->setSizeConstraint(QLayout::SetFixedSize);
}

VideoPreviewConfigDialog::~VideoPreviewConfigDialog() {
}

void VideoPreviewConfigDialog::setVideoFile(const QString & video_file) {
        filename_edit->setText(video_file);
}

QString VideoPreviewConfigDialog::videoFile() {
        return filename_edit->text();
}

void VideoPreviewConfigDialog::setDVDDevice(const QString & dvd_device) {
        dvd_device_edit->setText(dvd_device);
}

QString VideoPreviewConfigDialog::DVDDevice() {
        return dvd_device_edit->text();
}

void VideoPreviewConfigDialog::setCols(int cols) {
        columns_spin->setValue(cols);
}

int VideoPreviewConfigDialog::cols() {
        return columns_spin->value();
}

void VideoPreviewConfigDialog::setRows(int rows) {
        rows_spin->setValue(rows);
}

int VideoPreviewConfigDialog::rows() {
        return rows_spin->value();
}

void VideoPreviewConfigDialog::setInitialStep(int step) {
        initial_step_spin->setValue(step);
}

int VideoPreviewConfigDialog::initialStep() {
        return initial_step_spin->value();
}

void VideoPreviewConfigDialog::setMaxWidth(int w) {
        max_width_spin->setValue(w);
}

int VideoPreviewConfigDialog::maxWidth() {
        return max_width_spin->value();
}

void VideoPreviewConfigDialog::setDisplayOSD(bool b) {
        osd_check->setChecked(b);
}

bool VideoPreviewConfigDialog::displayOSD() {
        return osd_check->isChecked();
}

void VideoPreviewConfigDialog::setAspectRatio(double asp) {
        int idx = aspect_ratio_combo->findData(asp);
        if (idx < 0) idx = 0;
        aspect_ratio_combo->setCurrentIndex(idx);
}

double VideoPreviewConfigDialog::aspectRatio() {
        int idx = aspect_ratio_combo->currentIndex();
        return aspect_ratio_combo->itemData(idx).toDouble();
}

void VideoPreviewConfigDialog::setFormat(VideoPreview::ExtractFormat format) {
        int idx = format_combo->findData(format);
        if (idx < 0) idx = 0;
        format_combo->setCurrentIndex(idx);
}

VideoPreview::ExtractFormat VideoPreviewConfigDialog::format() {
        int idx = format_combo->currentIndex();
        return (VideoPreview::ExtractFormat) format_combo->itemData(idx).toInt();
}

void VideoPreviewConfigDialog::setSaveLastDirectory(bool b) {
        save_last_directory_check->setChecked(b);
}

bool VideoPreviewConfigDialog::saveLastDirectory() {
        return save_last_directory_check->isChecked();
}

void VideoPreviewConfigDialog::filenameChanged(const QString & text) {
        qDebug("VideoPreviewConfigDialog::filenameChanged");

        bool b = text.startsWith("dvd:");
        dvd_device_label->setVisible(b);
        dvd_device_edit->setVisible(b);
}

#include "moc_videopreviewconfigdialog.cpp"