itsmattkc
81c1922911
This makes the node system somewhat more high-level with the intent of making working with them far more flexible and stable. By making the architecture more abstracted, it becomes far less rigid which should allow us to do even more with it and make it much less crash prone.
288 lines
9.8 KiB
C++
288 lines
9.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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_, true);
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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, false);
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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()) {
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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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