Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-06-22 15:20:15 +02:00
Code Issues Releases Wiki Activity

Give the scrubber its own timer separate from TrackPanel's, so that...

Browse Source 
... we can experiment with changing the interval.
This commit is contained in:
Paul Licameli 2016-05-13 12:28:00 -04:00
parent 28e1e6303f
commit 16d33c6005
2 changed files with 31 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/tracks/ui/Scrubbing.cpp
View File

@ -38,6 +38,8 @@ enum {
#ifdef EXPERIMENTAL_SCRUBBING_SCROLL_WHEEL
ScrubSpeedStepsPerOctave = 4,
#endif
ScrubPollInterval_ms = 50,
};
namespace {
@ -112,6 +114,26 @@ namespace {
}
}
class Scrubber::ScrubPoller : public wxTimer
{
public:
ScrubPoller(Scrubber &scrubber) : mScrubber{ scrubber } {}
private:
void Notify() override;
Scrubber &mScrubber;
};
void Scrubber::ScrubPoller::Notify()
{
// Call ContinueScrubbing() here in a timer handler
// rather than in SelectionHandleDrag()
// so that even without drag events, we can instruct the play head to
// keep approaching the mouse cursor, when its maximum speed is limited.
mScrubber.ContinueScrubbing();
}
Scrubber::Scrubber(AudacityProject *project)
: mScrubToken(-1)
, mScrubStartClockTimeMillis(-1)
@ -126,6 +148,7 @@ Scrubber::Scrubber(AudacityProject *project)
#endif
, mProject(project)
, mPoller { std::make_unique<ScrubPoller>(*this) }
{
if (wxTheApp)
wxTheApp->Connect
@ -311,6 +334,8 @@ bool Scrubber::MaybeStartScrubbing(wxCoord xx)
mProject->GetPlaybackScroller().Activate(mSmoothScrollingScrub);
mScrubHasFocus = true;
mLastScrubPosition = xx;
mPoller->Start(ScrubPollInterval_ms);
}
// Return true whether we started scrub, or are still waiting to decide.
@ -393,6 +418,8 @@ void Scrubber::ContinueScrubbing()
void Scrubber::StopScrubbing()
{
mPoller->Stop();
UncheckAllMenuItems();
mScrubStartPosition = -1;
@ -597,12 +624,6 @@ void ScrubbingOverlay::OnTimer(wxCommandEvent &event)
ruler->ShowQuickPlayIndicator();
}
// Call ContinueScrubbing() here in the timer handler
// rather than in SelectionHandleDrag()
// so that even without drag events, we can instruct the play head to
// keep approaching the mouse cursor, when its maximum speed is limited.
scrubber.ContinueScrubbing();
if (!scrubber.ShouldDrawScrubSpeed()) {
mNextScrubRect = wxRect();
}

4
src/tracks/ui/Scrubbing.h
View File

@ -11,6 +11,7 @@ Paul Licameli split from TrackPanel.cpp
#ifndef __AUDACITY_SCRUBBING__
#define __AUDACITY_SCRUBBING__
#include "../../MemoryX.h"
#include <vector>
#include <wx/event.h>
#include <wx/longlong.h>
@ -125,6 +126,9 @@ private:
AudacityProject *mProject;
DECLARE_EVENT_TABLE()
class ScrubPoller;
std::unique_ptr<ScrubPoller> mPoller;
};
// Specialist in drawing the scrub speed, and listening for certain events