Mike-Solar
5109dd2995
get_float_ratio_from_user() is pure UI (QInputDialog/QMessageBox); common/ stays dialog-free.
126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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Modifications Copyright (C) 2025 mikesolar
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OAK_PIXELASPECTRATIOCOMBOBOX_H
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#define OAK_PIXELASPECTRATIOCOMBOBOX_H
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#include <QComboBox>
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#include "dialog/ratiodialog.h"
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#include "render/videoparams.h"
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namespace olive
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{
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class PixelAspectRatioComboBox : public QComboBox {
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Q_OBJECT
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public:
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PixelAspectRatioComboBox(QWidget *parent = nullptr)
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: QComboBox(parent)
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, dont_prompt_custom_par_(false)
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{
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QStringList par_names = VideoParams::get_standard_pixel_aspect_ratio_names();
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for (int i = 0; i < VideoParams::k_standard_pixel_aspects.size(); i++) {
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const Rational &ratio = VideoParams::k_standard_pixel_aspects.at(i);
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this->addItem(par_names.at(i), QVariant::fromValue(ratio));
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}
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// Always add custom item last, much of the logic relies on this. Set this to the current AR so
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// that if none of the above are ==, it will eventually select this item
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this->addItem(QString());
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update_custom_item(Rational());
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// Pick up index signal to query for custom aspect ratio if requested
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connect(this,
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static_cast<void (QComboBox::*)(int)>(
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&QComboBox::currentIndexChanged),
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this, &PixelAspectRatioComboBox::index_changed);
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}
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Rational get_pixel_aspect_ratio() const
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{
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return this->currentData().value<Rational>();
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}
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void set_pixel_aspect_ratio(const Rational &r)
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{
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// Determine which index to select on startup
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for (int i = 0; i < this->count(); i++) {
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if (this->itemData(i).value<Rational>() == r) {
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this->setCurrentIndex(i);
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return;
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}
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}
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// Must not have found the ratio, so it must be custom
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update_custom_item(r);
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dont_prompt_custom_par_ = true;
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this->setCurrentIndex(this->count() - 1);
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dont_prompt_custom_par_ = false;
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}
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private slots:
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void index_changed(int index)
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{
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if (dont_prompt_custom_par_) {
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return;
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}
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// Detect if custom was selected, in which case query what the new AR should be
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if (index == this->count() - 1) {
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// Query for custom pixel aspect ratio
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bool ok;
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double custom_ratio = get_float_ratio_from_user(
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this, tr("Set Custom Pixel Aspect Ratio"), &ok);
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if (ok) {
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update_custom_item(Rational::from_double(custom_ratio));
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}
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}
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}
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private:
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void update_custom_item(const Rational &ratio)
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{
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const int custom_index = this->count() - 1;
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if (ratio.isNull()) {
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this->setItemText(custom_index, tr("Custom..."));
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// Use 1:1 to prevent any real chance of the PAR being set to 0
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this->setItemData(custom_index, QVariant::fromValue(Rational(1)));
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} else {
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this->setItemText(custom_index,
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VideoParams::format_pixel_aspect_ratio_string(
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tr("Custom (%1)"), ratio));
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this->setItemData(custom_index, QVariant::fromValue(ratio));
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}
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}
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bool dont_prompt_custom_par_;
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};
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}
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#endif // OAK_PIXELASPECTRATIOCOMBOBOX_H
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