On 01/12/2014 03:38 PM, Gurjot Singh wrote: > On 11 January 2014 12:55, Vesa <dii....@nbl.fi> wrote: >> You should create a new issue for this on the github page. The images >> for pressed-down piano roll keys are there, they're included with the >> default theme, but the changing of the images hasn't been implemented. >> I'd start by looking at src/gui/piano_roll.cpp, that's where the code >> for the piano roll UI is in. You should also read up on how QWidgets >> work, that'll probably help as well. > To tackle this issue, should we create a new function? > > Currently there is a function called 'paintEvent', in which all the > keys of the piano are painted/drawn in the piano roll. > When ever user click on the keys or play the midi keyboard or from > computer keyboard, this new function(say keyPaint) will be called. In > this function it will determine which 'key' has been pressed and paint > the key accordingly, if it is black or white key, along with the > respective row in the note area(highlighted actually). > > Kindly post your thoughts on this. Any help regarding this would be great. > Hmm. How are keypresses implemented in the instrument window?
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