slint/internal/compiler/widgets/material/slider.slint
asuper0 387220227d
Add step property to Slider (#6981)
Closes #4549

ChangedLog: Slider: added `step` property
2024-12-05 11:50:08 +01:00

102 lines
4.1 KiB
Text

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
import { MaterialPalette, Elevation } from "styling.slint";
import { SliderBase } from "../common/slider-base.slint";
// Allows to select a value from a range of values.
export component Slider {
in property <Orientation> orientation <=> base.orientation;
in property <float> maximum <=> base.maximum;
in property <bool> enabled <=> base.enabled;
in property <float> minimum <=> base.minimum;
in property <float> step <=> base.step;
out property <bool> has-focus <=> base.has-focus;
in-out property <float> value <=> base.value;
callback changed <=> base.changed;
callback released <=> base.released;
min-width: base.vertical ? 20px : 0px;
min-height: base.vertical ? 0px : 20px;
accessible-role: slider;
accessible-enabled: root.enabled;
accessible-value: root.value;
accessible-value-minimum: root.minimum;
accessible-value-maximum: root.maximum;
accessible-value-step: min(root.step, (root.maximum - root.minimum) / 100);
forward-focus: base;
states [
disabled when !root.enabled : {
handle.background: MaterialPalette.control-foreground;
handle.drop-shadow-blur: Elevation.level0;
track.background: MaterialPalette.control-foreground;
background.background: MaterialPalette.control-foreground;
root.opacity: 0.38;
}
pressed when base.handle-pressed || base.has-focus : {
state-layer.opacity: 0.12;
handle.drop-shadow-blur: Elevation.level0;
}
hover when base.has-hover : {
state-layer.background: MaterialPalette.control-foreground;
state-layer.opacity: 0.08;
}
]
background := Rectangle {
background: MaterialPalette.control-background-variant;
opacity: 0.38;
x: (parent.width - self.width) / 2;
y: (parent.height - self.height) / 2;
width: base.vertical ? 4px : parent.width;
height: base.vertical ? parent.height : 4px;
border-radius: 2px;
}
track := Rectangle {
background: MaterialPalette.accent-background;
x: base.vertical ? (parent.width - self.width) / 2 : background.x;
y: base.vertical ? background.y : (parent.height - self.height) / 2;
width: base.vertical? background.width : handle.x + (handle.width / 2);
height: base.vertical? handle.y + (handle.height / 2) : background.height;
border-radius: background.border-radius;
}
state-layer := Rectangle {
opacity: 0;
background: MaterialPalette.accent-background;
x: base.vertical ? (parent.width - self.width) / 2 : handle.x - (self.width - handle.width) / 2;
y: base.vertical ? handle.y - (self.height - handle.height) / 2 : (parent.height - self.height) / 2;
width: 40px;
height: 40px;
border-radius: max(self.width, self.height) / 2;
animate opacity { duration: 250ms; easing: ease; }
}
handle := Rectangle {
x: base.vertical ? (parent.width - self.width) / 2 : clamp((parent.width - self.width) * (root.value - root.minimum) / (root.maximum - root.minimum), 0, root.width - self.width);
y: base.vertical ? clamp((parent.height - self.height) * (root.value - root.minimum) / (root.maximum - root.minimum), 0, root.height - self.height) : (parent.height - self.height) / 2;
background: MaterialPalette.accent-background;
width: base.vertical ? root.width : root.height;
height: base.vertical ? root.width : root.height;
border-radius: max(self.width, self.height) / 2;
drop-shadow-color: MaterialPalette.shadow;
drop-shadow-blur: Elevation.level1;
drop-shadow-offset-y: 1px;
animate drop-shadow-blur { duration: 250ms; easing: ease; }
}
base := SliderBase {
width: 100%;
height: 100%;
handle-x: handle.x;
handle-y: handle.y;
handle-width: handle.width;
handle-height: handle.height;
}
}