using a shadow for the sider handle - instead of doing

shadow/border/fill as radial gradient - to avoid aliasing effects
This commit is contained in:
Uwe Rathmann 2024-11-07 16:24:48 +01:00
parent 954d39256f
commit 05bf6cee70

View File

@ -1429,6 +1429,7 @@ void Editor::setupSliderMetrics()
using A = QskAspect; using A = QskAspect;
const qreal extent = 22_px; const qreal extent = 22_px;
setMetric( Q::Panel | A::Size, extent ); setMetric( Q::Panel | A::Size, extent );
setBoxShape( Q::Panel, 0 ); setBoxShape( Q::Panel, 0 );
setBoxBorderMetrics( Q::Panel, 0 ); setBoxBorderMetrics( Q::Panel, 0 );
@ -1442,15 +1443,17 @@ void Editor::setupSliderMetrics()
setMetric( Q::Fill | A::Size, 4_px ); setMetric( Q::Fill | A::Size, 4_px );
setBoxShape( Q::Fill, 100, Qt::RelativeSize ); setBoxShape( Q::Fill, 100, Qt::RelativeSize );
setStrutSize( Q::Handle, { 22_px, 22_px } ); const auto shadowSpread = 1_px;
setBoxShape( Q::Handle, 100, Qt::RelativeSize );
setBoxBorderMetrics( Q::Handle, 1_px );
// set size of the outer ring to be used in setupSliderColors(): setStrutSize( Q::Handle, { extent - shadowSpread, extent - shadowSpread } );
setPadding( Q::Handle, 5_px ); setBoxShape( Q::Handle, 100, Qt::RelativeSize );
setPadding( Q::Handle | Q::Hovered, 4_px );
setPadding( Q::Handle | Q::Pressed, 6_px ); setShadowMetrics( Q::Handle, { shadowSpread, 0.0 } );
setPadding( Q::Handle | Q::Disabled, 6_px );
setBoxBorderMetrics( Q::Handle, 5 );
setBoxBorderMetrics( Q::Handle | Q::Hovered, 4 );
setBoxBorderMetrics( Q::Handle | Q::Pressed, 6 );
setBoxBorderMetrics( Q::Handle | Q::Disabled, 6 );
} }
void Editor::setupSliderColors( void Editor::setupSliderColors(
@ -1461,47 +1464,48 @@ void Editor::setupSliderColors(
const auto& pal = theme.palette; const auto& pal = theme.palette;
const auto outerHandleColor = pal.fillColor.controlSolid.defaultColor; const auto borderColor = pal.fillColor.controlSolid.defaultColor;
setBoxBorderGradient( Q::Handle, pal.elevation.circle.border, outerHandleColor ); setBoxBorderColors( Q::Handle, borderColor );
{
const auto gradient = pal.elevation.circle.border;
#if 1
/*
we can't set gradients as shadows - using the color, that
lies in the center of the gradient instead. TODO ...
*/
auto shadowColor = QskRgb::interpolated( gradient[0], gradient[1], 0.5 );
shadowColor = rgbFlattened( shadowColor, borderColor );
#endif
setShadowColor( Q::Handle, rgbFlattened( shadowColor, borderColor ) );
}
for ( auto state : { A::NoState, Q::Hovered, Q::Pressed, Q::Disabled } ) for ( auto state : { A::NoState, Q::Hovered, Q::Pressed, Q::Disabled } )
{ {
QRgb grooveColor, fillColor, innerHandleColor; QRgb grooveColor, handleColor;
if ( state == A::NoState || state == Q::Hovered ) if ( state == A::NoState || state == Q::Hovered )
{ {
grooveColor = pal.fillColor.controlStrong.defaultColor; grooveColor = pal.fillColor.controlStrong.defaultColor;
fillColor = pal.fillColor.accent.defaultColor; handleColor = pal.fillColor.accent.defaultColor;
innerHandleColor = fillColor;
} }
else if ( state == Q::Pressed ) else if ( state == Q::Pressed )
{ {
grooveColor = pal.fillColor.controlStrong.defaultColor; grooveColor = pal.fillColor.controlStrong.defaultColor;
fillColor = pal.fillColor.accent.defaultColor; handleColor = pal.fillColor.accent.tertiary;
innerHandleColor = pal.fillColor.accent.tertiary;
} }
else if ( state == Q::Disabled ) else if ( state == Q::Disabled )
{ {
grooveColor = pal.fillColor.controlStrong.disabled; grooveColor = pal.fillColor.controlStrong.disabled;
fillColor = pal.fillColor.accent.disabled; handleColor = grooveColor;
innerHandleColor = grooveColor;
} }
grooveColor = rgbSolid( grooveColor, pal.background.solid.base ); grooveColor = rgbSolid( grooveColor, pal.background.solid.base );
setGradient( Q::Groove | section | state, grooveColor ); setGradient( Q::Groove | section | state, grooveColor );
{ setGradient( Q::Handle | section | state, handleColor );
const auto handleWidth = strutSize( Q::Handle ).width();
const auto outerRingWidth = padding( Q::Handle | state ).left();
const auto stop = ( handleWidth - 2 * outerRingWidth ) / handleWidth;
QskGradient handleGradient( { { 0.0, innerHandleColor }, { stop, innerHandleColor },
{ stop, outerHandleColor }, { 1.0, outerHandleColor } } );
handleGradient.setDirection( QskGradient::Radial );
setGradient( Q::Handle | section | state, handleGradient );
}
} }
} }