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GUI: implement sample scroll with mouse wheel

This commit is contained in:
tildearrow 2022-04-29 17:55:22 -05:00
parent d16ee7ed45
commit a8da4f0dba
1 changed files with 19 additions and 0 deletions
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19
src/gui/sampleEdit.cpp
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@ -1276,7 +1276,26 @@ void FurnaceGUI::drawSampleEdit() {
sampleZoom=100.0/zoomPercent;
if (sampleZoom<0.01) sampleZoom=0.01;
sampleZoomAuto=false;
int bounds=((int)sample->samples-round(rectSize.x*sampleZoom));
if (bounds<0) bounds=0;
if (samplePos>bounds) samplePos=bounds;
updateSampleTex=true;
} else {
if (wheelY!=0) {
if (!sampleZoomAuto) {
double scrollAmount=MAX(fabs((double)wheelY*sampleZoom*60.0),1.0);
if (wheelY>0) {
samplePos+=scrollAmount;
} else {
samplePos-=scrollAmount;
}
if (samplePos<0) samplePos=0;
int bounds=((int)sample->samples-round(rectSize.x*sampleZoom));
if (bounds<0) bounds=0;
if (samplePos>bounds) samplePos=bounds;
updateSampleTex=true;
}
}
}
int posX=-1;