153 lines
4.2 KiB
C++
153 lines
4.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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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 SEQUENCEDIALOG_H
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#define SEQUENCEDIALOG_H
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#include <QComboBox>
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#include <QDialog>
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#include <QSpinBox>
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#include <QUndoCommand>
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#include "project/item/sequence/sequence.h"
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/**
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* @brief A dialog for editing Sequence parameters
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*
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* This dialog exposes all the parameters of a Sequence to users allowing them to set up a Sequence however they wish.
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* A Sequence can be sent to this dialog through the constructor. All fields will be filled using that Sequence's
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* parameters, allowing the user to view and edit them. Accepting the dialog will apply them back to that Sequence,
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* either directly or using a QUndoCommand (see SetUndoable()).
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*
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* If creating a new Sequence, the Sequence must still be constructed first before sending it to SequenceDialog.
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* SequenceDialog does not create any new objects. In most cases when creating a new Sequence, editing its parameters
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* with SequenceDialog will be paired with the action of adding the Sequence to a project. In this situation, since the
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* latter will be the main undoable action, the parameter editing doesn't have to be undoable since to the user they'll
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* be viewed as one single action (see SetUndoable()).
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*/
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class SequenceDialog : public QDialog
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{
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Q_OBJECT
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public:
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/**
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* @brief Used to set the dialog mode of operation (see SequenceDialog())
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*/
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enum Type {
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kNew,
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kExisting
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};
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/**
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* @brief SequenceDialog Constructor
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*
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* @param s
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* Sequence to edit
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*
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* @param t
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* Mode of operation (changes some UI like the window title to best represent the action being performed)
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*
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* @param parent
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* QWidget parent
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*/
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SequenceDialog(Sequence* s, Type t = kExisting, QWidget* parent = nullptr);
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/**
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* @brief Set whether the parameter changes should be made into an undo command or not
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*
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* @param u
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*/
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void SetUndoable(bool u);
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public slots:
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/**
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* @brief Function called when the user presses OK
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*/
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virtual void accept() override;
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private:
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/**
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* @brief Internal function for adding a selectable frame rate
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*/
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void AddFrameRate(const rational& r);
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/**
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* @brief Internal function for adding a selectable sample rate
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*/
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void AddSampleRate(const rational &rate);
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/**
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* @brief Internal function for adding a selectable channel layout
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*/
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void AddChannelLayout(int layout);
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Sequence* sequence_;
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bool make_undoable_;
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QSpinBox* video_width_field_;
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QSpinBox* video_height_field_;
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QComboBox* video_frame_rate_field_;
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QComboBox* audio_sample_rate_field_;
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QComboBox* audio_channels_field_;
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QLineEdit* name_field_;
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QVector<rational> frame_rate_list_;
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QVector<rational> sample_rate_list_;
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/**
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* @brief A QUndoCommand for setting the parameters on a sequence
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*/
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class SequenceParamCommand : public QUndoCommand {
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public:
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SequenceParamCommand(Sequence* s,
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const int& width,
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const int& height,
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const rational& v_timebase,
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const rational& a_timebase,
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const uint64_t &channels,
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QUndoCommand* parent = nullptr);
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virtual void redo() override;
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virtual void undo() override;
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private:
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Sequence* sequence_;
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int width_;
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int height_;
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rational v_timebase_;
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rational a_timebase_;
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uint64_t channels_;
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int old_width_;
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int old_height_;
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rational old_v_timebase_;
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rational old_a_timebase_;
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uint64_t old_channels_;
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};
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};
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#endif // SEQUENCEDIALOG_H
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