diff options
Diffstat (limited to 'muse2/muse/midieditor.cpp')
-rw-r--r-- | muse2/muse/midieditor.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/muse2/muse/midieditor.cpp b/muse2/muse/midieditor.cpp index 9191233d..7e25972c 100644 --- a/muse2/muse/midieditor.cpp +++ b/muse2/muse/midieditor.cpp @@ -241,3 +241,30 @@ void MidiEditor::setCurCanvasPart(Part* part) canvas->setCurrentPart(part); } +void MidiEditor::horizontalZoomIn() +{ + printf("zoom in \n"); + int mag = hscroll->mag(); + int zoomlvl = ScrollScale::getQuickZoomLevel(mag); + if (zoomlvl < 23) + zoomlvl++; + + int newmag = ScrollScale::convertQuickZoomLevelToMag(zoomlvl); + + hscroll->setMag(newmag); + +} + +void MidiEditor::horizontalZoomOut() +{ + printf("zoom out \n"); + int mag = hscroll->mag(); + int zoomlvl = ScrollScale::getQuickZoomLevel(mag); + if (zoomlvl > 1) + zoomlvl--; + + int newmag = ScrollScale::convertQuickZoomLevelToMag(zoomlvl); + + hscroll->setMag(newmag); + +} |