WIP: Fixed some issues with cancelation & restart of background processing.

This commit is contained in:
bubnikv 2018-10-30 09:27:31 +01:00
parent 6ae1517e13
commit f2b0904d12
4 changed files with 67 additions and 14 deletions

View file

@ -485,11 +485,22 @@ public:
// the state of the finished or running calculations.
void set_cancel_callback(cancel_callback_type cancel_callback) { m_cancel_callback = cancel_callback; }
// Has the calculation been canceled?
bool canceled() const { return m_canceled; }
enum CancelStatus {
// No cancelation, background processing should run.
NOT_CANCELED = 0,
// Canceled by user from the user interface (user pressed the "Cancel" button or user closed the application).
CANCELED_BY_USER = 1,
// Canceled internally from Print::apply() through the Print/PrintObject::invalidate_step() or ::invalidate_all_steps().
CANCELED_INTERNAL = 2
};
CancelStatus cancel_status() const { return m_cancel_status; }
// Has the calculation been canceled?
bool canceled() const { return m_cancel_status; }
// Cancel the running computation. Stop execution of all the background threads.
void cancel() { m_canceled = true; }
void cancel() { m_cancel_status = CANCELED_BY_USER; }
void cancel_internal() { m_cancel_status = CANCELED_INTERNAL; }
// Cancel the running computation. Stop execution of all the background threads.
void restart() { m_canceled = false; }
void restart() { m_cancel_status = NOT_CANCELED; }
// Accessed by SupportMaterial
const PrintRegion* get_region(size_t idx) const { return m_regions[idx]; }
@ -513,7 +524,7 @@ private:
// If the background processing stop was requested, throw CanceledException.
// To be called by the worker thread and its sub-threads (mostly launched on the TBB thread pool) regularly.
void throw_if_canceled() const { if (m_canceled) throw CanceledException(); }
void throw_if_canceled() const { if (m_cancel_status) throw CanceledException(); }
void _make_skirt();
void _make_brim();
@ -526,8 +537,7 @@ private:
// while the data influencing the stage is modified.
mutable tbb::mutex m_mutex;
// Has the calculation been canceled?
tbb::atomic<bool> m_canceled;
tbb::atomic<CancelStatus> m_cancel_status;
// Callback to be evoked regularly to update state of the UI thread.
status_callback_type m_status_callback;