131 lines
2.9 KiB
C++
131 lines
2.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 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 "nodeviewscene.h"
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#include "common/functiontimer.h"
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#include "core.h"
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#include "node/project/sequence/sequence.h"
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#include "nodeviewedge.h"
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#include "nodeviewitem.h"
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namespace olive {
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NodeViewScene::NodeViewScene(QObject *parent) :
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QGraphicsScene(parent),
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direction_(NodeViewCommon::kLeftToRight),
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curved_edges_(true)
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{
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}
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void NodeViewScene::SetFlowDirection(NodeViewCommon::FlowDirection direction)
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{
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direction_ = direction;
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foreach (NodeViewContext *ctx, context_map_) {
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ctx->SetFlowDirection(direction_);
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}
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}
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void NodeViewScene::SelectAll()
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{
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foreach (QGraphicsItem* i, items()) {
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i->setSelected(true);
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}
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}
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void NodeViewScene::DeselectAll()
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{
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foreach (QGraphicsItem* i, items()) {
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i->setSelected(false);
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}
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}
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void NodeViewScene::DeleteSelected()
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{
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NodeViewDeleteCommand* command = new NodeViewDeleteCommand();
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foreach (NodeViewContext *ctx, context_map_) {
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ctx->DeleteSelected(command);
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}
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Core::instance()->undo_stack()->push(command);
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}
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QVector<NodeViewItem *> NodeViewScene::GetSelectedItems() const
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{
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QVector<NodeViewItem *> items;
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foreach (NodeViewContext *ctx, context_map_) {
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items.append(ctx->GetSelectedItems());
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}
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return items;
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}
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NodeViewContext *NodeViewScene::AddContext(Node *node)
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{
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NodeViewContext *context_item = context_map_.value(node);
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if (!context_item) {
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context_item = new NodeViewContext(node);
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context_item->SetFlowDirection(GetFlowDirection());
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context_item->SetCurvedEdges(GetEdgesAreCurved());
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QPointF pos(0, 0);
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QRectF item_rect = context_item->rect();
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while (!items(item_rect).isEmpty()) {
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pos.setY(pos.y() + item_rect.height());
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item_rect = context_item->rect().translated(pos);
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}
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context_item->setPos(pos);
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addItem(context_item);
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context_map_.insert(node, context_item);
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}
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return context_item;
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}
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void NodeViewScene::RemoveContext(Node *node)
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{
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delete context_map_.take(node);
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}
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Qt::Orientation NodeViewScene::GetFlowOrientation() const
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{
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return NodeViewCommon::GetFlowOrientation(direction_);
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}
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void NodeViewScene::SetEdgesAreCurved(bool curved)
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{
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if (curved_edges_ != curved) {
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curved_edges_ = curved;
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foreach (NodeViewContext *ctx, context_map_) {
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ctx->SetCurvedEdges(curved_edges_);
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}
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}
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}
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}
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