153 lines
5.3 KiB
C++
153 lines
5.3 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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#include "playbackcontrols.h"
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#include <QHBoxLayout>
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#include "common/timecodefunctions.h"
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#include "config/config.h"
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#include "ui/icons/icons.h"
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PlaybackControls::PlaybackControls(QWidget *parent) :
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QWidget(parent),
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time_base_(0)
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{
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// Create lower controls
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QHBoxLayout* lower_control_layout = new QHBoxLayout(this);
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lower_control_layout->setSpacing(0);
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lower_control_layout->setMargin(0);
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QSizePolicy lower_container_size_policy = QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Expanding);
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// In the lower-left, we create a current timecode label wrapped in a QWidget for fixed sizing
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lower_left_container_ = new QWidget();
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lower_left_container_->setVisible(false);
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lower_left_container_->setSizePolicy(lower_container_size_policy);
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lower_control_layout->addWidget(lower_left_container_);
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QHBoxLayout* lower_left_layout = new QHBoxLayout(lower_left_container_);
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lower_left_layout->setSpacing(0);
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lower_left_layout->setMargin(0);
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cur_tc_lbl_ = new QLabel();
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lower_left_layout->addWidget(cur_tc_lbl_);
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lower_left_layout->addStretch();
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// In the lower-middle, we create playback control buttons
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QWidget* lower_middle_container = new QWidget();
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lower_middle_container->setSizePolicy(lower_container_size_policy);
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lower_control_layout->addWidget(lower_middle_container);
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QHBoxLayout* lower_middle_layout = new QHBoxLayout(lower_middle_container);
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lower_middle_layout->setSpacing(0);
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lower_middle_layout->setMargin(0);
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lower_middle_layout->addStretch();
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// Go To Start Button
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QPushButton* go_to_start_btn = new QPushButton();
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go_to_start_btn->setIcon(olive::icon::GoToStart);
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lower_middle_layout->addWidget(go_to_start_btn);
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connect(go_to_start_btn, SIGNAL(clicked(bool)), this, SIGNAL(BeginClicked()));
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// Prev Frame Button
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QPushButton* prev_frame_btn = new QPushButton();
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prev_frame_btn->setIcon(olive::icon::PrevFrame);
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lower_middle_layout->addWidget(prev_frame_btn);
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connect(prev_frame_btn, SIGNAL(clicked(bool)), this, SIGNAL(PrevFrameClicked()));
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// Play/Pause Button
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playpause_stack_ = new QStackedWidget();
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lower_middle_layout->addWidget(playpause_stack_);
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play_btn_ = new QPushButton();
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play_btn_->setIcon(olive::icon::Play);
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playpause_stack_->addWidget(play_btn_);
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connect(play_btn_, SIGNAL(clicked(bool)), this, SIGNAL(PlayClicked()));
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connect(play_btn_, SIGNAL(clicked(bool)), this, SLOT(PlayPauseClickedInternal()));
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pause_btn_ = new QPushButton();
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pause_btn_->setIcon(olive::icon::Pause);
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playpause_stack_->addWidget(pause_btn_);
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connect(pause_btn_, SIGNAL(clicked(bool)), this, SIGNAL(PauseClicked()));
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connect(pause_btn_, SIGNAL(clicked(bool)), this, SLOT(PlayPauseClickedInternal()));
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// Default to showing play button
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playpause_stack_->setCurrentWidget(play_btn_);
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playpause_stack_->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);
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// Next Frame Button
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QPushButton* next_frame_btn = new QPushButton();
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next_frame_btn->setIcon(olive::icon::NextFrame);
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lower_middle_layout->addWidget(next_frame_btn);
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connect(next_frame_btn, SIGNAL(clicked(bool)), this, SIGNAL(NextFrameClicked()));
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// Go To End Button
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QPushButton* go_to_end_btn = new QPushButton();
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go_to_end_btn->setIcon(olive::icon::GoToEnd);
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lower_middle_layout->addWidget(go_to_end_btn);
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connect(go_to_end_btn, SIGNAL(clicked(bool)), this, SIGNAL(EndClicked()));
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lower_middle_layout->addStretch();
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// The lower-right, we create another timecode label, this time to show the end timecode
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lower_right_container_ = new QWidget();
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lower_right_container_->setVisible(false);
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lower_right_container_->setSizePolicy(lower_container_size_policy);
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lower_control_layout->addWidget(lower_right_container_);
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QHBoxLayout* lower_right_layout = new QHBoxLayout(lower_right_container_);
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lower_right_layout->setSpacing(0);
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lower_right_layout->setMargin(0);
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lower_right_layout->addStretch();
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end_tc_lbl_ = new QLabel("00:00:00;00");
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lower_right_layout->addWidget(end_tc_lbl_);
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}
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void PlaybackControls::SetTimecodeEnabled(bool enabled)
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{
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lower_left_container_->setVisible(enabled);
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lower_right_container_->setVisible(enabled);
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}
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void PlaybackControls::SetTimebase(const rational &r)
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{
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time_base_ = r;
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}
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void PlaybackControls::SetTime(const int64_t &r)
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{
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Q_ASSERT(time_base_.denominator() != 0);
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cur_tc_lbl_->setText(olive::timestamp_to_timecode(r, time_base_, kTimecodeDisplay));
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}
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void PlaybackControls::PlayPauseClickedInternal()
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{
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if (sender() == play_btn_) {
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// Play was clicked, toggle to pause
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playpause_stack_->setCurrentWidget(pause_btn_);
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} else {
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playpause_stack_->setCurrentWidget(play_btn_);
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}
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}
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