288 lines
9.9 KiB
C++
288 lines
9.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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 "nodeparamviewkeyframecontrol.h"
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#include <QHBoxLayout>
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#include <QMessageBox>
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#include "core.h"
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#include "nodeparamviewundo.h"
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#include "ui/icons/icons.h"
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namespace olive {
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NodeParamViewKeyframeControl::NodeParamViewKeyframeControl(bool right_align, QWidget *parent) :
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QWidget(parent)
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{
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QHBoxLayout* layout = new QHBoxLayout(this);
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layout->setMargin(0);
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layout->setSpacing(0);
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if (right_align) {
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// Automatically right aligns all buttons
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layout->addStretch();
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}
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prev_key_btn_ = CreateNewToolButton(icon::TriLeft);
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prev_key_btn_->setIconSize(prev_key_btn_->iconSize() / 2);
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layout->addWidget(prev_key_btn_);
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toggle_key_btn_ = CreateNewToolButton(icon::Diamond);
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toggle_key_btn_->setCheckable(true);
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toggle_key_btn_->setIconSize(toggle_key_btn_->iconSize() / 2);
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layout->addWidget(toggle_key_btn_);
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next_key_btn_ = CreateNewToolButton(icon::TriRight);
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next_key_btn_->setIconSize(next_key_btn_->iconSize() / 2);
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layout->addWidget(next_key_btn_);
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enable_key_btn_ = CreateNewToolButton(icon::Clock);
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enable_key_btn_->setCheckable(true);
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enable_key_btn_->setIconSize(enable_key_btn_->iconSize() / 4 * 3);
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layout->addWidget(enable_key_btn_);
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connect(prev_key_btn_, &QPushButton::clicked, this, &NodeParamViewKeyframeControl::GoToPreviousKey);
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connect(next_key_btn_, &QPushButton::clicked, this, &NodeParamViewKeyframeControl::GoToNextKey);
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connect(toggle_key_btn_, &QPushButton::clicked, this, &NodeParamViewKeyframeControl::ToggleKeyframe);
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connect(enable_key_btn_, &QPushButton::toggled, this, &NodeParamViewKeyframeControl::ShowButtonsFromKeyframeEnable);
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connect(enable_key_btn_, &QPushButton::clicked, this, &NodeParamViewKeyframeControl::KeyframeEnableBtnClicked);
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// Set defaults
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SetInput(NodeInput());
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ShowButtonsFromKeyframeEnable(false);
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}
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void NodeParamViewKeyframeControl::SetInput(const NodeInput& input)
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{
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if (input_.IsValid()) {
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disconnect(input_.node(), &Node::KeyframeEnableChanged, this, &NodeParamViewKeyframeControl::KeyframeEnableChanged);
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disconnect(input_.node(), &Node::KeyframeAdded, this, &NodeParamViewKeyframeControl::UpdateState);
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disconnect(input_.node(), &Node::KeyframeRemoved, this, &NodeParamViewKeyframeControl::UpdateState);
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disconnect(input_.node(), &Node::KeyframeTimeChanged, this, &NodeParamViewKeyframeControl::UpdateState);
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}
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input_ = input;
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SetButtonsEnabled(input_.IsValid());
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// Pick up keyframing value
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enable_key_btn_->setChecked(input_.IsValid() && input_.IsKeyframing());
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// Update buttons
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UpdateState();
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if (input_.IsValid()) {
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connect(input_.node(), &Node::KeyframeEnableChanged, this, &NodeParamViewKeyframeControl::KeyframeEnableChanged);
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connect(input_.node(), &Node::KeyframeAdded, this, &NodeParamViewKeyframeControl::UpdateState);
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connect(input_.node(), &Node::KeyframeRemoved, this, &NodeParamViewKeyframeControl::UpdateState);
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connect(input_.node(), &Node::KeyframeTimeChanged, this, &NodeParamViewKeyframeControl::UpdateState);
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}
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}
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void NodeParamViewKeyframeControl::SetTime(const rational &time)
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{
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time_ = time;
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UpdateState();
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}
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QPushButton *NodeParamViewKeyframeControl::CreateNewToolButton(const QIcon& icon) const
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{
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QPushButton* btn = new QPushButton();
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btn->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
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btn->setIcon(icon);
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return btn;
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}
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void NodeParamViewKeyframeControl::SetButtonsEnabled(bool e)
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{
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prev_key_btn_->setEnabled(e);
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toggle_key_btn_->setEnabled(e);
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next_key_btn_->setEnabled(e);
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enable_key_btn_->setEnabled(e);
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}
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rational NodeParamViewKeyframeControl::GetCurrentTimeAsNodeTime() const
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{
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return GetAdjustedTime(GetTimeTarget(), input_.node(), time_, Node::kTransformTowardsInput);
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}
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rational NodeParamViewKeyframeControl::ConvertToViewerTime(const rational &r) const
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{
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return GetAdjustedTime(input_.node(), GetTimeTarget(), r, Node::kTransformTowardsOutput);
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}
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void NodeParamViewKeyframeControl::ShowButtonsFromKeyframeEnable(bool e)
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{
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prev_key_btn_->setVisible(e);
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toggle_key_btn_->setVisible(e);
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next_key_btn_->setVisible(e);
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}
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void NodeParamViewKeyframeControl::ToggleKeyframe(bool e)
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{
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rational node_time = GetCurrentTimeAsNodeTime();
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QVector<NodeKeyframe*> keys = input_.node()->GetKeyframesAtTime(input_, node_time);
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MultiUndoCommand* command = new MultiUndoCommand();
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int nb_tracks = input_.node()->GetNumberOfKeyframeTracks(input_);
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if (e && keys.isEmpty()) {
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// Add a keyframe here (one for each track)
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for (int i=0;i<nb_tracks;i++) {
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NodeKeyframe* key = new NodeKeyframe(node_time,
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input_.node()->GetSplitValueAtTimeOnTrack(input_, node_time, i),
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input_.node()->GetBestKeyframeTypeForTimeOnTrack(input_, node_time, i),
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i,
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input_.element(),
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input_.input());
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command->add_child(new NodeParamInsertKeyframeCommand(input_.node(), key));
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}
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} else if (!e && !keys.isEmpty()) {
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// Remove all keyframes at this time
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foreach (NodeKeyframe* key, keys) {
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command->add_child(new NodeParamRemoveKeyframeCommand(key));
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if (input_.node()->GetKeyframeTracks(input_).size() == 1) {
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// If this was the last keyframe on this track, set the standard value to the value at this time too
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(input_, key->track()),
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input_.node()->GetSplitValueAtTimeOnTrack(input_, node_time, key->track())));
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}
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}
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}
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Core::instance()->undo_stack()->pushIfHasChildren(command);
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}
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void NodeParamViewKeyframeControl::UpdateState()
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{
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if (!input_.IsValid() || !input_.IsKeyframing()) {
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return;
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}
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NodeKeyframe* earliest_key = input_.node()->GetEarliestKeyframe(input_);
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NodeKeyframe* latest_key = input_.node()->GetLatestKeyframe(input_);
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rational node_time = GetCurrentTimeAsNodeTime();
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prev_key_btn_->setEnabled(earliest_key && node_time > earliest_key->time());
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next_key_btn_->setEnabled(latest_key && node_time < latest_key->time());
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toggle_key_btn_->setChecked(input_.node()->HasKeyframeAtTime(input_, node_time));
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}
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void NodeParamViewKeyframeControl::GoToPreviousKey()
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{
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rational node_time = GetCurrentTimeAsNodeTime();
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NodeKeyframe* previous_key = input_.node()->GetClosestKeyframeBeforeTime(input_, node_time);
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if (previous_key) {
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rational key_time = ConvertToViewerTime(previous_key->time());
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emit RequestSetTime(key_time);
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}
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}
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void NodeParamViewKeyframeControl::GoToNextKey()
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{
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rational node_time = GetCurrentTimeAsNodeTime();
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NodeKeyframe* next_key = input_.node()->GetClosestKeyframeAfterTime(input_, node_time);
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if (next_key) {
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rational key_time = ConvertToViewerTime(next_key->time());
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emit RequestSetTime(key_time);
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}
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}
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void NodeParamViewKeyframeControl::KeyframeEnableBtnClicked(bool e)
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{
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if (e == input_.IsKeyframing()) {
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// No-op
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return;
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}
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MultiUndoCommand* command = new MultiUndoCommand();
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if (e) {
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// Enable keyframing
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command->add_child(new NodeParamSetKeyframingCommand(input_, true));
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// Create one keyframe across all tracks here
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const QVector<QVariant>& key_vals = input_.node()->GetSplitStandardValue(input_);
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for (int i=0;i<key_vals.size();i++) {
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NodeKeyframe* key = new NodeKeyframe(GetCurrentTimeAsNodeTime(),
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key_vals.at(i),
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NodeKeyframe::kDefaultType,
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i,
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input_.element(),
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input_.input());
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command->add_child(new NodeParamInsertKeyframeCommand(input_.node(), key));
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}
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} else {
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// Confirm the user wants to clear all keyframes
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if (QMessageBox::warning(this,
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tr("Warning"),
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tr("Are you sure you want to disable keyframing on this value? This will clear all existing keyframes."),
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QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) {
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// Store value at this time, we'll set this as the persistent value later
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const QVector<QVariant>& stored_vals = input_.node()->GetSplitValueAtTime(input_, GetCurrentTimeAsNodeTime());
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// Delete all keyframes
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foreach (const NodeKeyframeTrack& track, input_.node()->GetKeyframeTracks(input_)) {
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for (int i=track.size()-1;i>=0;i--) {
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command->add_child(new NodeParamRemoveKeyframeCommand(track.at(i)));
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}
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}
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// Update standard value
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for (int i=0;i<stored_vals.size();i++) {
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command->add_child(new NodeParamSetStandardValueCommand(NodeKeyframeTrackReference(input_, i), stored_vals.at(i)));
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}
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// Disable keyframing
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command->add_child(new NodeParamSetKeyframingCommand(input_, false));
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} else {
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// Disable action has effectively been ignored
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enable_key_btn_->setChecked(true);
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}
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}
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Core::instance()->undo_stack()->pushIfHasChildren(command);
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}
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void NodeParamViewKeyframeControl::KeyframeEnableChanged(const NodeInput &input, bool e)
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{
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if (input_ == input) {
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enable_key_btn_->setChecked(e);
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}
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}
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}
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