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Code Issues Releases Wiki Activity

Scroll wheel with pointer in vertical ruler zooms in or out for wave track...

Browse Source 
... regardless of the modifier keys; and does nothing in other tracks.
This commit is contained in:
Paul Licameli 2015-08-14 20:30:26 -04:00
parent 8504603e8a
commit 5d2e877529
2 changed files with 57 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
src/TrackPanel.cpp
View File

@ -4403,9 +4403,9 @@ void TrackPanel::HandleZoomButtonUp(wxMouseEvent & event)
}
/// Determines if drag zooming is active
bool TrackPanel::IsDragZooming()
bool TrackPanel::IsDragZooming(int zoomStart, int zoomEnd)
{
return (abs(mZoomEnd - mZoomStart) > DragThreshold);
return (abs(zoomEnd - zoomStart) > DragThreshold);
}
/// Determines if the a modal tool is active
@ -4563,16 +4563,28 @@ void TrackPanel::HandleVZoomButtonUp( wxMouseEvent & event )
void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rightUp)
{
WaveTrack *partner = static_cast<WaveTrack *>(mTracks->GetLink(track));
HandleWaveTrackVZoom(mTracks, mCapturedRect, mZoomStart, mZoomEnd,
track, shiftDown, rightUp, false);
mZoomEnd = mZoomStart = 0;
UpdateVRuler(track);
Refresh(false);
MakeParentModifyState(true);
}
//static
void TrackPanel::HandleWaveTrackVZoom
(TrackList *tracks, const wxRect &rect,
int zoomStart, int zoomEnd,
WaveTrack *track, bool shiftDown, bool rightUp,
bool /*fixedMousePoint*/)
{
WaveTrack *const partner = static_cast<WaveTrack *>(tracks->GetLink(track));
int height = track->GetHeight();
int ypos = mCapturedRect.y;
int ypos = rect.y;
// Ensure start and end are in order (swap if not).
if (mZoomEnd < mZoomStart) {
int temp = mZoomEnd;
mZoomEnd = mZoomStart;
mZoomStart = temp;
}
if (zoomEnd < zoomStart)
std::swap(zoomStart, zoomEnd);
float min, max, c, l, minBand = 0;
const double rate = track->GetRate();
@ -4601,13 +4613,13 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
else
track->GetDisplayBounds(&min, &max);
if (IsDragZooming()) {
if (IsDragZooming(zoomStart, zoomEnd)) {
// Drag Zoom
const float tmin = min, tmax = max;
if (spectral) {
double xmin = 1 - (mZoomEnd - ypos) / (float)height;
double xmax = 1 - (mZoomStart - ypos) / (float)height;
double xmin = 1 - (zoomEnd - ypos) / (float)height;
double xmax = 1 - (zoomStart - ypos) / (float)height;
const float middle = (xmin + xmax) / 2;
const float middleValue = scale.PositionToValue(middle);
@ -4621,8 +4633,8 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
));
}
else {
const float p1 = (mZoomStart - ypos) / (float)height;
const float p2 = (mZoomEnd - ypos) / (float)height;
const float p1 = (zoomStart - ypos) / (float)height;
const float p2 = (zoomEnd - ypos) / (float)height;
max = (tmax * (1.0-p1) + tmin * p1);
min = (tmax * (1.0-p2) + tmin * p2);
@ -4649,7 +4661,7 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
// I think it is better to be consistent. PRL)
// Center zoom-out at the midline
const float middle = // spectrumLinear ? 0.5f :
1.0f - (mZoomStart - ypos) / (float)height;
1.0f - (zoomStart - ypos) / (float)height;
min = std::max(spectrumLinear ? 0.0f : 1.0f, scale.PositionToValue(middle - 1.0f));
max = std::min(halfrate, scale.PositionToValue(middle + 1.0f));
@ -4687,7 +4699,7 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
// Zoom IN
if (spectral) {
// Center the zoom-in at the click
const float middle = 1.0f - (mZoomStart - ypos) / (float)height;
const float middle = 1.0f - (zoomStart - ypos) / (float)height;
const float middleValue = scale.PositionToValue(middle);
min = std::max(spectrumLinear ? 0.0f : 1.0f,
@ -4711,7 +4723,7 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
// Enforce maximum vertical zoom
l = std::max(ZOOMLIMIT, (c - min));
p1 = (mZoomStart - ypos) / (float)height;
p1 = (zoomStart - ypos) / (float)height;
c = (max * (1.0 - p1) + min * p1);
min = c - 0.5*l;
max = c + 0.5*l;
@ -4748,11 +4760,6 @@ void TrackPanel::HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rig
if (partner)
partner->SetDisplayBounds(min, max);
}
mZoomEnd = mZoomStart = 0;
UpdateVRuler(track);
Refresh(false);
MakeParentModifyState(true);
}
namespace {
@ -6072,6 +6079,27 @@ void TrackPanel::HandleWheelRotation(wxMouseEvent & event)
// you do see changes in the time ruler.
return;
// Special case of pointer in the vertical ruler
{
wxRect rect;
Track *const pTrack = FindTrack(event.m_x, event.m_y, true, false, &rect);
if (pTrack && event.m_x >= GetVRulerOffset()) {
if (pTrack->GetKind() == Track::Wave) {
HandleWaveTrackVZoom(
mTracks, rect, event.m_y, event.m_y,
static_cast<WaveTrack*>(pTrack), false, (event.m_wheelRotation < 0),
true);
UpdateVRuler(pTrack);
Refresh(false);
MakeParentModifyState(true);
}
else {
// To do: time track? Note track?
}
return;
}
}
double steps = event.m_wheelRotation /
(event.m_wheelDelta > 0 ? (double)event.m_wheelDelta : 120.0);
@ -7636,8 +7664,6 @@ void TrackPanel::DrawOutsideOfTrack(Track * t, wxDC * dc, const wxRect & rect)
void TrackPanel::DrawOverlays(bool repaint)
{
bool isOutdated = false;
// Determine which overlays are outdated.
enum {
n_pairs =

8
src/TrackPanel.h
View File

@ -404,7 +404,8 @@ protected:
virtual void HandleZoomDrag(wxMouseEvent & event);
virtual void HandleZoomButtonUp(wxMouseEvent & event);
virtual bool IsDragZooming();
static bool IsDragZooming(int zoomStart, int zoomEnd);
virtual bool IsDragZooming() { return IsDragZooming(mZoomStart, mZoomEnd); }
virtual void DragZoom(wxMouseEvent &event, int x);
virtual void DoZoomInOut(wxMouseEvent &event, int x);
@ -413,6 +414,11 @@ protected:
virtual void HandleVZoomDrag(wxMouseEvent & event);
virtual void HandleVZoomButtonUp(wxMouseEvent & event);
virtual void HandleWaveTrackVZoom(WaveTrack *track, bool shiftDown, bool rightUp);
static void HandleWaveTrackVZoom
(TrackList *tracks, const wxRect &rect,
int zoomStart, int zoomEnd,
WaveTrack *track, bool shiftDown, bool rightUp,
bool fixedMousePoint);
// Handle sample editing using the 'draw' tool.
virtual bool IsSampleEditingPossible( wxMouseEvent & event, Track * t );