Fix memory corruption caused by rapid project/scene change
This commit is contained in:
parent
78f349ff85
commit
4f3b844753
1 changed files with 17 additions and 2 deletions
|
@ -1,4 +1,4 @@
|
|||
|
||||
#include <QTimer>
|
||||
|
||||
#include "toonz/tscenehandle.h"
|
||||
|
||||
|
@ -24,7 +24,22 @@ ToonzScene *TSceneHandle::getScene() const { return m_scene; }
|
|||
void TSceneHandle::setScene(ToonzScene *scene) {
|
||||
if (m_scene == scene) return;
|
||||
emit sceneSwitching();
|
||||
delete m_scene;
|
||||
ToonzScene *oldscene = m_scene;
|
||||
m_scene = scene;
|
||||
if (m_scene) emit sceneSwitched();
|
||||
|
||||
// Prevent memory corruption caused by delayed signals writing into the
|
||||
// discarded old scene while that memory was freed.
|
||||
// That made OT had a chance of crashing when project or scene changed rapidly.
|
||||
// Note: This is not the best solution but "it just works"
|
||||
if (oldscene) {
|
||||
QTimer *delayedTimer = new QTimer(this);
|
||||
delayedTimer->setSingleShot(true);
|
||||
|
||||
connect(delayedTimer, &QTimer::timeout, [=]() {
|
||||
delete oldscene;
|
||||
delayedTimer->deleteLater();
|
||||
});
|
||||
delayedTimer->start(3000); // 1 sec was enough, but... dunno about toasters
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue