Files
oak-editor/app/widget/nodeparamview/nodeparamviewconnectedlabel.h
T
Mike-Solar a59c33715f fix: node graph edge display, teardown crashes, and event/audio lifetime bugs
- capi: oakengine_node_output_connection_at/_at_ex returned the source
  node as the connection destination; the actual destination is
  conn.second.node(). Out-edge enumeration was useless, so the node
  view could only draw in-edges and randomly lost whichever edges
  needed the out-edge path (random per context build order).
  Regression test in oakengine_node_test
- project teardown: Project::clear() pre-notifies node removal while
  nodes are fully constructed (observers used to crash on
  half-destroyed nodes); childEvent suppresses the removal dance while
  clearing; Node::disconnect_all/disconnect_edge get a silent mode for
  teardown so no invalidation/events touch dying members
  (is_being_cleared); ClipBlock marker disconnect guarded against
  dead viewer/markers; ProjectCopier and PreviewAutoCacher drop
  project references on Project::destroyed instead of disconnecting
  dead objects at shutdown
- preview: add oakengine_preview_request_get_audio_sample_count; the
  viewer queried sample count by passing nullptr to get_audio_samples
  which rejects it, so all playback audio was silently dropped
- app: fix unterminated input-id memcpy in ResolveGroupInput
  (nodeparamviewitem, widgetbridge) that corrupted every parameter id
- app: unsubscribe raw C-API event subscriptions in destructors of
  NodeParamViewKeyframeControl, NodeParamViewConnectedLabel and
  ExportDialog; playhead events used to fire into dead widgets
  (crash when dragging the playhead)
- tests: preview request roundtrip (video frame + audio range) and
  free-while-active teardown coverage; env-gated OAK_DEBUG_EDGES /
  OAK_DEBUG_INVALID_INPUT diagnostics
- docs: investigation notes in docs/zh/
2026-08-02 14:29:49 +08:00

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C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
Modifications Copyright (C) 2025 mikesolar
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef OAK_NODEPARAMVIEWCONNECTEDLABEL_H
#define OAK_NODEPARAMVIEWCONNECTEDLABEL_H
#include "engineeventbridge.h"
#include "oakutil/oaknode.h"
#include "widget/clickablelabel/clickablelabel.h"
#include "widget/nodevaluetree/nodevaluetree.h"
#include <cstdint>
namespace olive
{
class NodeParamViewConnectedLabel : public QWidget {
Q_OBJECT
public:
NodeParamViewConnectedLabel(const oak::Input &input,
QWidget *parent = nullptr);
~NodeParamViewConnectedLabel() override;
void set_viewer_node(OakEngineNode *viewer);
signals:
void request_select_node(OakEngineNode *n);
private slots:
void input_connected(oak::Node output, const oak::Input &input);
void input_disconnected(oak::Node output, const oak::Input &input);
void show_label_context_menu();
void connection_clicked();
private:
void update_label();
void update_value_tree();
void create_tree();
ClickableLabel *connected_to_lbl_;
oak::Input input_;
oak::Node connected_node_;
NodeValueTree *value_tree_;
OakEngineNode *viewer_;
EngineEventBridge *bridge_ = nullptr;
int64_t viewer_sub_ = 0;
private slots:
void set_value_tree_visible(bool e);
};
}
#endif // OAK_NODEPARAMVIEWCONNECTEDLABEL_H