151 lines
4.4 KiB
C++
151 lines
4.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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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 "inputdragger.h"
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#include "core.h"
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#include "node.h"
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#include "widget/nodeparamview/nodeparamviewundo.h"
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namespace olive {
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int NodeInputDragger::input_being_dragged = 0;
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NodeInputDragger::NodeInputDragger()
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{
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}
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bool NodeInputDragger::IsStarted() const
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{
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return input_.IsValid();
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}
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void NodeInputDragger::Start(const NodeKeyframeTrackReference &input, const rational &time, bool create_key_on_all_tracks)
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{
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Q_ASSERT(!IsStarted());
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// Set up new drag
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input_ = input;
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time_ = time;
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Node* node = input_.input().node();
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// Cache current value
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start_value_ = node->GetSplitValueAtTimeOnTrack(input_, time);
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end_value_ = start_value_;
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// Determine whether we are creating a keyframe or not
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if (input_.input().IsKeyframing()) {
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dragging_key_ = node->GetKeyframeAtTimeOnTrack(input_, time);
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if (!dragging_key_) {
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dragging_key_ = new NodeKeyframe(time,
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start_value_,
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node->GetBestKeyframeTypeForTimeOnTrack(input_, time),
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input_.track(),
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input_.input().element(),
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input_.input().input(),
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node);
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created_keys_.append(dragging_key_);
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if (create_key_on_all_tracks) {
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int nb_tracks = NodeValue::get_number_of_keyframe_tracks(input.input().node()->GetInputDataType(input.input().input()));
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for (int i=0; i<nb_tracks; i++) {
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if (i != input.track()) {
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NodeKeyframeTrackReference this_ref(input.input(), i);
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created_keys_.append(new NodeKeyframe(time, node->GetSplitValueAtTimeOnTrack(this_ref, time),
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node->GetBestKeyframeTypeForTimeOnTrack(this_ref, time),
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i, input.input().element(), input.input().input(), node));
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}
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}
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}
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}
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}
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input_being_dragged++;
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}
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void NodeInputDragger::Drag(QVariant value)
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{
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Q_ASSERT(IsStarted());
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Node* node = input_.input().node();
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const QString& input = input_.input().input();
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if (node->HasInputProperty(input, QStringLiteral("min"))) {
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// Assumes the value is a double of some kind
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double min = node->GetInputProperty(input, QStringLiteral("min")).toDouble();
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double v = value.toDouble();
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if (v < min) {
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value = min;
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}
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}
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if (node->HasInputProperty(input, QStringLiteral("max"))) {
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double max = node->GetInputProperty(input, QStringLiteral("max")).toDouble();
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double v = value.toDouble();
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if (v > max) {
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value = max;
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}
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}
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end_value_ = value;
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//input_->blockSignals(true);
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if (input_.input().IsKeyframing()) {
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dragging_key_->set_value(value);
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} else {
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node->SetSplitStandardValueOnTrack(input_, value);
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}
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//input_->blockSignals(false);
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}
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void NodeInputDragger::End(MultiUndoCommand* command)
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{
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if (!IsStarted()) {
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return;
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}
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input_being_dragged--;
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if (input_.input().node()->IsInputKeyframing(input_.input())) {
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for (int i=0; i<created_keys_.size(); i++) {
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// We created a keyframe in this process
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command->add_child(new NodeParamInsertKeyframeCommand(input_.input().node(), created_keys_.at(i)));
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}
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// We just set a keyframe's value
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// We do this even when inserting a keyframe because we don't actually perform an insert in this undo command
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// so this will ensure the ValueChanged() signal is sent correctly
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command->add_child(new NodeParamSetKeyframeValueCommand(dragging_key_, end_value_, start_value_));
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} else {
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// We just set the standard value
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command->add_child(new NodeParamSetStandardValueCommand(input_, end_value_, start_value_));
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}
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input_.Reset();
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created_keys_.clear();
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}
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}
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