152 lines
4.1 KiB
C++
152 lines
4.1 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 "nodeparamview.h"
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#include <QScrollArea>
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#include <QSplitter>
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#include "node/output/viewer/viewer.h"
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NodeParamView::NodeParamView(QWidget *parent) :
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QWidget(parent)
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{
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// Create horizontal layout to place scroll area in (and keyframe editing eventually)
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QVBoxLayout* layout = new QVBoxLayout(this);
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layout->setSpacing(0);
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layout->setMargin(0);
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QSplitter* splitter = new QSplitter(Qt::Horizontal);
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layout->addWidget(splitter);
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// Set up scroll area for params
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QScrollArea* scroll_area = new QScrollArea();
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scroll_area->setWidgetResizable(true);
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splitter->addWidget(scroll_area);
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// Param widget
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QWidget* param_widget_area = new QWidget();
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scroll_area->setWidget(param_widget_area);
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// Set up scroll area layout
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param_layout_ = new QVBoxLayout(param_widget_area);
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param_layout_->setSpacing(0);
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param_layout_->setMargin(0);
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// Add a stretch to allow empty space at the bottom of the layout
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param_layout_->addStretch();
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// Set up keyframe view
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QWidget* keyframe_area = new QWidget();
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QVBoxLayout* keyframe_area_layout = new QVBoxLayout(keyframe_area);
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keyframe_area_layout->setSpacing(0);
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keyframe_area_layout->setMargin(0);
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// Create ruler object
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ruler_ = new TimeRuler(true);
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keyframe_area_layout->addWidget(ruler_);
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// Create keyframe view
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keyframe_view_ = new KeyframeView();
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keyframe_area_layout->addWidget(keyframe_view_);
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// Connect ruler and keyframe view together
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connect(ruler_, SIGNAL(TimeChanged(const int64_t&)), keyframe_view_, SLOT(SetTime(const int64_t&)));
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connect(keyframe_view_, SIGNAL(TimeChanged(const int64_t&)), ruler_, SLOT(SetTime(const int64_t&)));
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splitter->addWidget(keyframe_area);
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// Disable collapsing param view (but collapsing keyframe view is permitted)
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splitter->setCollapsible(0, false);
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}
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void NodeParamView::SetNodes(QList<Node *> nodes)
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{
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// If we already have item widgets, delete them all now
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foreach (NodeParamViewItem* item, items_) {
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delete item;
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}
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items_.clear();
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// Reset keyframe view
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SetTimebase(rational());
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// Set the internal list to the one we've received
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nodes_ = nodes;
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// For each node, create a widget
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foreach (Node* node, nodes_) {
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// See if we already have an item for this node type
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bool merged_node = false;
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foreach (NodeParamViewItem* existing_item, items_) {
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if (existing_item->CanAddNode(node)) {
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existing_item->AttachNode(node);
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merged_node = true;
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break;
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}
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}
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// If we couldn't merge this node into the existing item, create a new one
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if (!merged_node) {
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NodeParamViewItem* item = new NodeParamViewItem(this);
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item->AttachNode(node);
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// Insert the widget before the stretch
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param_layout_->insertWidget(param_layout_->count() - 1, item);
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items_.append(item);
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}
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}
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if (!nodes_.isEmpty()) {
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const ViewerOutput* viewer = nodes_.first()->FindOutputNode<ViewerOutput>();
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if (viewer) {
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SetTimebase(viewer->video_params().time_base());
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}
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}
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}
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const QList<Node *> &NodeParamView::nodes()
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{
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return nodes_;
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}
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const double &NodeParamView::GetScale() const
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{
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return ruler_->scale();
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}
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void NodeParamView::SetScale(const double& scale)
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{
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ruler_->SetScale(scale);
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keyframe_view_->SetScale(scale);
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}
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void NodeParamView::SetTimebase(const rational &timebase)
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{
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ruler_->SetTimebase(timebase);
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keyframe_view_->SetTimebase(timebase);
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}
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