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Sequencer - Improved point d'n'd

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This commit is contained in:
Emmanuel BENOîT 2017-11-30 12:36:22 +01:00
parent 99f6862138
commit 7f6db48a61
2 changed files with 48 additions and 24 deletions
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1
TODO
View file

@ -33,6 +33,7 @@ Sync / inputs:
* Moving tracks
* Moving segments
* Add curve display
* CLEAN UP THAT FUCKING SPAGHETTI MESS!
Misc:
* General overhaul (e.g. use tabs)

61
ui-sequencer.cc
View file

@ -367,7 +367,8 @@ struct T_SyncViewImpl_
const float time ) noexcept;
bool handlePointDrag(
const float mPixels ,
bool mouseDown ) noexcept;
bool mouseDown ,
bool shiftPressed ) noexcept;
T_MousePos getMousePos( ) const noexcept;
@ -858,7 +859,8 @@ void T_SyncViewImpl_::sequencerWidget( ) noexcept
zoomLevel = ( ppu - BarWidth ) / ( BarWidth - width / u ) + 1;
}
}
} else if ( dnd == E_DNDType::POINT && handlePointDrag( mPixels , io.MouseDown[ 0 ] ) ) {
} else if ( dnd == E_DNDType::POINT
&& handlePointDrag( mPixels , io.MouseDown[ 0 ] , io.KeyShift ) ) {
return;
} else if ( dnd == E_DNDType::CLICK && ( io.MouseDown[ 0 ] || io.MouseDown[ 1 ] ) ) {
return;
@ -911,7 +913,8 @@ void T_SyncViewImpl_::sequencerWidget( ) noexcept
selId = dTrack.id;
selSegment = dSeg.seg;
selPoint = dPoint.index;
const bool pdnd{ io.MouseDown[ 0 ] && dPoint.index != 0 };
const bool pdnd{ io.MouseDown[ 0 ]
&& ( dPoint.index != 0 || dSeg.seg != 0 ) };
if ( pdnd ) {
assert( selUpdate == E_ChangeType::NONE );
selPointDnDStart = selPointDnDCur = mPixels;
@ -1400,7 +1403,8 @@ void T_SyncViewImpl_::displayTooltips(
bool T_SyncViewImpl_::handlePointDrag(
const float mPixels ,
bool mouseDown ) noexcept
bool mouseDown ,
bool shiftPressed ) noexcept
{
auto& sync( Common::Sync( ) );
@ -1409,32 +1413,51 @@ bool T_SyncViewImpl_::handlePointDrag(
const int32_t diffUnits{ int32_t( round( diff * sync.durationUnits( ) / totalPixels ) ) };
const bool moved{ fabsf( diff ) >= 2 && abs( diffUnits ) > 0 };
const auto ni{ selUpdatingCopies.size( ) };
const auto sid{ *selSegment };
const auto pid{ *selPoint };
assert( pid > 0 || sid > 0 );
const bool isLastPoint{ [&](){
auto const& s{ selUpdatingOriginals[ 0 ].segments };
return sid == s.size( ) - 1 && pid == s[ sid ].durations.size( );
}( ) };
// Update the point as necessary
if ( moved ) {
if ( moved && ( shiftPressed || isLastPoint ) ) {
// Increase/decrease duration
selUpdatingCopies = selUpdatingOriginals;
for ( auto i = 0u ; i < ni ; i ++ ) {
auto& copy{ selUpdatingCopies[ i ] };
auto& seg{ copy.segments[ *selSegment ] };
if ( *selPoint == seg.durations.size( ) ) {
// We're dragging the end point
// XXX make it work "normally"
seg.durations.last( ) = std::max( 1 ,
diffUnits + int32_t( seg.durations.last( ) ) );
} else {
// We're dragging some other point, move units
// from one side to the other
assert( *selPoint > 0 );
auto& d0{ seg.durations[ *selPoint - 1 ] };
auto& d1{ seg.durations[ *selPoint ] };
auto& seg{ copy.segments[ sid ] };
auto& d{ pid == 0
? copy.segments[ sid - 1 ].durations.last( )
: seg.durations[ pid - 1 ] };
d = std::max( 1 , diffUnits + int32_t( d ) );
sync.setCurve( copy );
}
} else if ( moved ) {
// Move the point but keep the sum of before/after durations
// a constant
selUpdatingCopies = selUpdatingOriginals;
for ( auto i = 0u ; i < ni ; i ++ ) {
auto& copy{ selUpdatingCopies[ i ] };
auto& seg{ copy.segments[ sid ] };
auto& d0{ pid == 0
? copy.segments[ sid - 1 ].durations.last( )
: seg.durations[ pid - 1 ] };
auto& d1{ pid == seg.durations.size( )
? copy.segments[ sid + 1 ].durations[ 0 ]
: seg.durations[ pid ]
};
const int32_t mmNeg( 1 - d0 ) , mmPos( d1 - 1 );
const int32_t diff{ diffUnits < mmNeg ? mmNeg
: ( diffUnits > mmPos ? mmPos : diffUnits ) };
d0 += diff;
d1 -= diff;
}
sync.setCurve( copy );
}
} else {
selUpdatingCopies.clear( );
for ( auto i = 0u ; i < ni ; i ++ ) {