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2022-04-18 Fred Gleason <fredg@paravelsystems.com>

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* Fixed a bug in the 'Marker Viewer' dialog that caused the cursor
	to be repositioned to outside of the waveform viewport when zooming
	into or out from the waveform.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
This commit is contained in:
Fred Gleason
2022-04-18 15:27:12 -04:00
parent 3cc7806db1
commit de6abc01be
2 changed files with 17 additions and 3 deletions
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16
lib/rdmarkerview.cpp
View File

@@ -2,7 +2,7 @@
//
// Widget for displaying/editing cut markers
//
// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
// (C) Copyright 2021-2022 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
@@ -367,6 +367,8 @@ RDMarkerView::RDMarkerView(int width,int height,QWidget *parent)
d_scene=NULL;
d_sample_rate=rda->system()->sampleRate();
d_right_margin=0;
printf("clearing cursor\n");
d_cursor=NULL;
clear();
d_view=new QGraphicsView(this);
@@ -795,7 +797,6 @@ void RDMarkerView::clear()
}
d_no_segue_fade=false;
d_play_gain=0;
d_cursor=NULL;
d_shrink_factor=1;
d_max_shrink_factor=1;
d_pad_size=0;
@@ -1157,8 +1158,15 @@ int RDMarkerView::Msec(int frame) const
void RDMarkerView::SetShrinkFactor(int sf)
{
if((d_shrink_factor!=sf)&&(sf<=d_max_shrink_factor)) {
//
// Reposition cursor
//
int x=LEFT_MARGIN+(d_cursor->pos().x()-LEFT_MARGIN)*d_shrink_factor/sf;
d_cursor->setPos(x,0);
d_shrink_factor=sf;
WriteWave();
gotoCursor();
emit canShrinkTimeChanged(canShrinkTime());
emit canGrowTimeChanged(canGrowTime());
}
@@ -1256,7 +1264,9 @@ void RDMarkerView::WriteWave()
DrawMarker(RDMarkerHandle::Start,RDMarkerHandle::CutStart,20);
DrawMarker(RDMarkerHandle::End,RDMarkerHandle::CutEnd,20);
d_cursor=new QGraphicsLineItem(0,0,0,d_height);
if(d_cursor==NULL) {
d_cursor=new QGraphicsLineItem(0,0,0,d_height);
}
QPen pen(Qt::green);
pen.setWidth(2);
d_cursor->setPen(pen);