Envelope event handlers do not directly use zoom (pps) values
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@ -27,6 +27,7 @@ a draggable point type.
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*//*******************************************************************/
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#include "Envelope.h"
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#include "ViewInfo.h"
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#include <math.h>
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@ -319,9 +320,10 @@ void Envelope::WriteXML(XMLWriter &xmlFile)
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xmlFile.EndTag(wxT("envelope"));
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}
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#ifndef SQR
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#define SQR(X) ((X)*(X))
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#endif
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namespace
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{
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inline int SQR(int x) { return x * x; }
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}
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/// ValueOfPixel() converts a y position on screen to an envelope value.
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/// @param y - y position, usually of the mouse.relative to the clip.
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@ -355,7 +357,7 @@ float Envelope::ValueOfPixel( int y, int height, bool upper, bool dB,
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/// We have an upper and lower envelope line.
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/// Also we may be showing an inner envelope (at 0.5 the range).
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bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin, float zoomMax)
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{
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int ctr = (int)(r.height * zoomMax / (zoomMax - zoomMin));
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@ -365,10 +367,8 @@ bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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if(clip_y < 0) clip_y = 0; //keeps point in rect r, even if mouse isn't
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if(clip_y > r.GetBottom()) clip_y = r.GetBottom();
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double tleft = h - mOffset;
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double tright = tleft + (r.width / pps);
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int bestNum = -1;
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int bestDist = 10; // Must be within 10 pixel radius.
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int bestDistSqr = 100; // Must be within 10 pixel radius.
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// TODO: Cache the gPrefs value. Reading it every time is inefficient.
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double dBr = gPrefs->Read(wxT("/GUI/EnvdBRange"), ENV_DB_RANGE);
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@ -384,22 +384,25 @@ bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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// TODO: extract this into a function FindNearestControlPoint()
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// TODO: also fix it so that we can drag the last point on an envelope.
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for (int i = 0; i < len; i++) { //search for control point nearest click
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if (mEnv[i]->GetT() >= tleft && mEnv[i]->GetT() <= tright) {
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const double time = mEnv[i]->GetT() + mOffset;
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const wxInt64 position = zoomInfo.TimeToPosition(time);
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if (position >= 0 && position < r.width) {
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int x = int ((mEnv[i]->GetT() + mOffset - h) * pps) + r.x;
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int x = int (position);
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int y[4];
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int numControlPoints;
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// Outer control points
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y[0] = GetWaveYPos( mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
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double value = mEnv[i]->GetVal();
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y[0] = GetWaveYPos(value, zoomMin, zoomMax, r.height,
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dB, true, dBr, false);
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y[1] = GetWaveYPos( -mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
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y[1] = GetWaveYPos(-value, zoomMin, zoomMax, r.height,
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dB, true, dBr, false);
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// Inner control points(contour)
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y[2] = GetWaveYPos( mEnv[i]->GetVal(), zoomMin, zoomMax, r.height,
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y[2] = GetWaveYPos(value, zoomMin, zoomMax, r.height,
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dB, false, dBr, false);
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y[3] = GetWaveYPos( -mEnv[i]->GetVal()-.00000001, zoomMin, zoomMax,
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y[3] = GetWaveYPos(-value -.00000001, zoomMin, zoomMax,
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r.height, dB, false, dBr, false);
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numControlPoints = 4;
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@ -410,12 +413,13 @@ bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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if (!mMirror)
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numControlPoints = 1;
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const int deltaXSquared = SQR(x - (event.m_x - r.x));
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for(int j=0; j<numControlPoints; j++){
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int d = (int)(sqrt((double)(SQR(x-event.m_x) + SQR(y[j]-(event.m_y-r.y)))) + 0.5);
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if (d < bestDist) {
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const int dSqr = deltaXSquared + SQR(y[j] - (event.m_y - r.y));
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if (dSqr < bestDistSqr) {
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bestNum = i;
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bestDist = d;
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bestDistSqr = dSqr;
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mContourOffset = (bool)(j > 1);
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}
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}
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@ -427,12 +431,12 @@ bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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}
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else {
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// TODO: Extract this into a function CreateNewPoint
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double when = h + (event.m_x - r.x) / pps - mOffset;
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const double when = zoomInfo.PositionToTime(event.m_x, r.x);
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// if (when <= 0 || when >= mTrackLen)
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// return false;
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double v = GetValueAtX( event.m_x, r, h, pps );
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const double v = GetValue( when );
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int ct = GetWaveYPos( v, zoomMin, zoomMax, r.height, dB,
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false, dBr, false) ;
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@ -458,16 +462,14 @@ bool Envelope::HandleMouseButtonDown(wxMouseEvent & event, wxRect & r,
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double newVal = ValueOfPixel(clip_y, r.height, upper, dB,
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zoomMin, zoomMax);
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mDragPoint = Insert(when, newVal);
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mDragPoint = Insert(when - mOffset, newVal);
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mDirty = true;
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}
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mUpper = upper;
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mInitialWhen = mEnv[mDragPoint]->GetT();
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mInitialVal = mEnv[mDragPoint]->GetVal();
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mInitialX = event.m_x;
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mInitialY = event.m_y+mContourOffset;
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return true;
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@ -502,8 +504,8 @@ void Envelope::MarkDragPointForDeletion()
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}
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void Envelope::MoveDraggedPoint( wxMouseEvent & event, wxRect & r,
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double WXUNUSED(h), double pps, bool dB,
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float zoomMin, float zoomMax)
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin, float zoomMax)
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{
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int clip_y = event.m_y - r.y;
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if(clip_y < 0) clip_y = 0;
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@ -511,13 +513,12 @@ void Envelope::MoveDraggedPoint( wxMouseEvent & event, wxRect & r,
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double newVal = ValueOfPixel(clip_y, r.height, mUpper, dB,
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zoomMin, zoomMax);
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wxASSERT( pps > 0 );
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// We no longer tolerate multiple envelope points at the same t.
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// epsilon is less than the time offset of a single sample
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// TODO: However because mTrackEpsilon assumes 200KHz this use
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// of epsilon is a tad bogus. What we need to do instead is delete
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// a duplicated point on a mouse up.
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double newWhen = mInitialWhen + (event.m_x - mInitialX) / pps;
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double newWhen = zoomInfo.PositionToTime(event.m_x, r.x) - mOffset;
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// We'll limit the drag point time to be between those of the preceding
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// and next envelope point.
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@ -538,7 +539,7 @@ void Envelope::MoveDraggedPoint( wxMouseEvent & event, wxRect & r,
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}
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bool Envelope::HandleDragging( wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin, float zoomMax,
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float WXUNUSED(eMin), float WXUNUSED(eMax))
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{
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@ -552,7 +553,7 @@ bool Envelope::HandleDragging( wxMouseEvent & event, wxRect & r,
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// IF we're in the rect THEN we're not deleting this point (anymore).
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mIsDeleting = false;
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// ...we're dragging it.
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MoveDraggedPoint( event, r,h,pps,dB, zoomMin, zoomMax);
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MoveDraggedPoint( event, r, zoomInfo, dB, zoomMin, zoomMax);
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return true;
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}
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@ -565,11 +566,7 @@ bool Envelope::HandleDragging( wxMouseEvent & event, wxRect & r,
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}
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// Exit dragging mode and deletes dragged point if neccessary.
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bool Envelope::HandleMouseButtonUp( wxMouseEvent & WXUNUSED(event), wxRect & WXUNUSED(r),
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double WXUNUSED(h),
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double WXUNUSED(pps), bool WXUNUSED(dB),
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float WXUNUSED(zoomMin),
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float WXUNUSED(zoomMax) )
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bool Envelope::HandleMouseButtonUp()
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{
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if (mIsDeleting) {
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delete mEnv[mDragPoint];
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@ -588,18 +585,17 @@ void Envelope::Delete( int point )
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// Returns true if parent needs to be redrawn
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bool Envelope::MouseEvent(wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin, float zoomMax)
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{
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if (event.ButtonDown() && mButton == wxMOUSE_BTN_NONE)
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return HandleMouseButtonDown( event, r, h, pps,dB,
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return HandleMouseButtonDown( event, r, zoomInfo,dB,
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zoomMin, zoomMax);
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if (event.Dragging() && mDragPoint >= 0)
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return HandleDragging( event, r, h, pps,dB,
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return HandleDragging( event, r, zoomInfo,dB,
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zoomMin, zoomMax);
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if (event.ButtonUp() && event.GetButton() == mButton)
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return HandleMouseButtonUp( event, r, h, pps, dB,
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zoomMin, zoomMax);
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return HandleMouseButtonUp();
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return false;
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}
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@ -29,6 +29,8 @@ class wxTextFile;
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class DirManager;
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class Envelope;
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class ZoomInfo;
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#define ENV_DB_RANGE 60
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class EnvPoint : public XMLTagHandler {
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@ -122,17 +124,15 @@ class Envelope : public XMLTagHandler {
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// Event Handlers
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// Each ofthese returns true if parents needs to be redrawn
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bool MouseEvent(wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin=-1.0, float zoomMax=1.0);
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bool HandleMouseButtonDown( wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin=-1.0, float zoomMax=1.0);
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bool HandleDragging( wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin=-1.0, float zoomMax=1.0, float eMin=0., float eMax=2.);
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bool HandleMouseButtonUp( wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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float zoomMin=-1.0, float zoomMax=1.0);
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bool HandleMouseButtonUp();
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void GetEventParams( int &height, bool &upper, bool dB,
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wxMouseEvent & event, wxRect & r,
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float &zoomMin, float &zoomMax);
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@ -202,7 +202,7 @@ private:
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void BinarySearchForTime( int &Lo, int &Hi, double t ) const;
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double GetInterpolationStartValueAtPoint( int iPoint ) const;
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void MoveDraggedPoint( wxMouseEvent & event, wxRect & r,
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double h, double pps, bool dB,
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const ZoomInfo &zoomInfo, bool dB,
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float zoomMin, float zoomMax);
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// Possibly inline functions:
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@ -228,12 +228,10 @@ private:
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/** \brief Number of pixels contour is from the true envelope. */
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int mContourOffset;
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double mInitialWhen;
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double mInitialVal;
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// These are used in dragging.
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int mDragPoint;
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int mInitialX;
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int mInitialY;
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bool mUpper;
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bool mIsDeleting;
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@ -3815,7 +3815,7 @@ void TrackPanel::ForwardEventToTimeTrackEnvelope(wxMouseEvent & event)
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bool needUpdate =
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pspeedenvelope->MouseEvent(
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event, envRect,
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mViewInfo->h, mViewInfo->zoom,
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*mViewInfo,
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ptimetrack->GetDisplayLog(), lower, upper);
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if (needUpdate) {
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RefreshTrack(mCapturedTrack);
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@ -3853,7 +3853,7 @@ void TrackPanel::ForwardEventToWaveTrackEnvelope(wxMouseEvent & event)
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pwavetrack->GetDisplayBounds(&zoomMin, &zoomMax);
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needUpdate = penvelope->MouseEvent(
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event, envRect,
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mViewInfo->h, mViewInfo->zoom,
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*mViewInfo,
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dB, zoomMin, zoomMax);
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// If this track is linked to another track, make the identical
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@ -3871,8 +3871,8 @@ void TrackPanel::ForwardEventToWaveTrackEnvelope(wxMouseEvent & event)
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float zoomMin, zoomMax;
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pwavetrack->GetDisplayBounds(&zoomMin, &zoomMax);
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updateNeeded = e2->MouseEvent(event, envRect,
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mViewInfo->h, mViewInfo->zoom, dB,
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zoomMin, zoomMax);
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*mViewInfo, dB,
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zoomMin, zoomMax);
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needUpdate |= updateNeeded;
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}
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if(!e2 || !updateNeeded) // no envelope found at this x point, or found but not updated
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@ -3885,7 +3885,7 @@ void TrackPanel::ForwardEventToWaveTrackEnvelope(wxMouseEvent & event)
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float zoomMin, zoomMax;
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pwavetrack->GetDisplayBounds(&zoomMin, &zoomMax);
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needUpdate |= e2->MouseEvent(event, envRect,
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mViewInfo->h, mViewInfo->zoom, dB,
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*mViewInfo, dB,
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zoomMin, zoomMax);
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}
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}
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@ -2822,7 +2822,7 @@ void EqualizationPanel::OnMouseEvent(wxMouseEvent & event)
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CaptureMouse();
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}
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if (mEffect->mEnvelope->MouseEvent(event, mEnvRect, 0.0, mEnvRect.width, false,
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if (mEffect->mEnvelope->MouseEvent(event, mEnvRect, ZoomInfo(0.0, 1.0, mEnvRect.width), false,
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mEffect->mdBMin, mEffect->mdBMax))
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{
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mEffect->EnvelopeUpdated();
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