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add new ParamSliderStyle::FromMidPoint

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This commit is contained in:
Bart Brouns
2024-12-18 19:14:55 +01:00
committed by Robbert van der Helm
parent 40269e1394
commit 55c41bfa9e
1 changed files with 16 additions and 2 deletions
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18
nih_plug_vizia/src/widgets/param_slider.rs
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@@ -49,9 +49,11 @@ pub enum ParamSliderStyle {
Centered, Centered,
/// Always fill the bar starting from the left. /// Always fill the bar starting from the left.
FromLeft, FromLeft,
/// Fill the bar from the mid point, regardless of where the default value lies
FromMidPoint,
/// Show the current step instead of filling a portion of the bar, useful for discrete /// Show the current step instead of filling a portion of the bar, useful for discrete
/// parameters. Set `even` to `true` to distribute the ticks evenly instead of following the /// parameters. Set `even` to `true` to distribute the ticks evenly instead of following the
/// parameter's distribution. This can be desireable because discrete parameters have smaller /// parameter's distribution. This can be desirable because discrete parameters have smaller
/// ranges near the edges (they'll span only half the range, which can make the display look /// ranges near the edges (they'll span only half the range, which can make the display look
/// odd). /// odd).
CurrentStep { even: bool }, CurrentStep { even: bool },
@@ -333,6 +335,16 @@ impl ParamSlider {
if delta >= 1e-3 { delta } else { 0.0 }, if delta >= 1e-3 { delta } else { 0.0 },
) )
} }
ParamSliderStyle::FromMidPoint => {
let delta = (0.5 - current_value).abs();
// Don't draw the filled portion at all if it could have been a
// rounding error since those slivers just look weird
(
0.5_f32.min(current_value),
if delta >= 1e-3 { delta } else { 0.0 },
)
}
ParamSliderStyle::Centered | ParamSliderStyle::FromLeft => (0.0, current_value), ParamSliderStyle::Centered | ParamSliderStyle::FromLeft => (0.0, current_value),
ParamSliderStyle::CurrentStep { even: true } ParamSliderStyle::CurrentStep { even: true }
| ParamSliderStyle::CurrentStepLabeled { even: true } | ParamSliderStyle::CurrentStepLabeled { even: true }
@@ -369,7 +381,9 @@ impl ParamSlider {
ParamSliderStyle::CurrentStep { .. } | ParamSliderStyle::CurrentStepLabeled { .. } => { ParamSliderStyle::CurrentStep { .. } | ParamSliderStyle::CurrentStepLabeled { .. } => {
(0.0, 0.0) (0.0, 0.0)
} }
ParamSliderStyle::Centered | ParamSliderStyle::FromLeft => { ParamSliderStyle::Centered
| ParamSliderStyle::FromMidPoint
| ParamSliderStyle::FromLeft => {
let modulation_start = param.unmodulated_normalized_value(); let modulation_start = param.unmodulated_normalized_value();
( (