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Slider: Add step parameter (#1225)

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Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This commit is contained in:
Alexander
2022-02-13 23:55:51 +03:00
committed by GitHub
parent c4528beb72
commit 62504fface
3 changed files with 62 additions and 11 deletions
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21
egui_demo_lib/src/apps/demo/sliders.rs
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@@ -11,6 +11,8 @@ pub struct Sliders {
pub logarithmic: bool,
pub clamp_to_range: bool,
pub smart_aim: bool,
pub step: f64,
pub use_steps: bool,
pub integer: bool,
pub vertical: bool,
pub value: f64,
@@ -24,6 +26,8 @@ impl Default for Sliders {
logarithmic: true,
clamp_to_range: false,
smart_aim: true,
step: 10.0,
use_steps: false,
integer: false,
vertical: false,
value: 10.0,
@@ -55,6 +59,8 @@ impl super::View for Sliders {
logarithmic,
clamp_to_range,
smart_aim,
step,
use_steps,
integer,
vertical,
value,
@@ -79,6 +85,7 @@ impl super::View for Sliders {
SliderOrientation::Horizontal
};
let istep = if *use_steps { *step } else { 0.0 };
if *integer {
let mut value_i32 = *value as i32;
ui.add(
@@ -87,7 +94,8 @@ impl super::View for Sliders {
.clamp_to_range(*clamp_to_range)
.smart_aim(*smart_aim)
.orientation(orientation)
.text("i32 demo slider"),
.text("i32 demo slider")
.step_by(istep),
);
*value = value_i32 as f64;
} else {
@@ -97,7 +105,8 @@ impl super::View for Sliders {
.clamp_to_range(*clamp_to_range)
.smart_aim(*smart_aim)
.orientation(orientation)
.text("f64 demo slider"),
.text("f64 demo slider")
.step_by(istep),
);
ui.label(
@@ -128,6 +137,14 @@ impl super::View for Sliders {
ui.separator();
ui.checkbox(use_steps, "Use steps");
ui.label("When enabled, the minimal value change would be restricted to a given step.");
if *use_steps {
ui.add(egui::DragValue::new(step).speed(1.0));
}
ui.separator();
ui.horizontal(|ui| {
ui.label("Slider type:");
ui.radio_value(integer, true, "i32");