Slider: show_value, hide tooltip on button press

[skip ci]

uidev/assets/gui/various_widgets.xml

@@ -72,8 +72,8 @@
         <div flex_direction="column" gap="8">
           <label text="height 16" weight="bold" />
 
-          <label text="range 0-100 value 25" />
-          <Slider width="200" height="16" min_value="0" max_value="100" value="25" />
+          <label text="range 0-100 value 25, no text" />
+          <Slider show_value="0" width="200" height="16" min_value="0" max_value="100" value="25" />
 
           <label text="range 10-20 value 15" />
           <Slider width="200" height="16" min_value="10" max_value="20" value="15" />

wgui/doc/widgets.md

@@ -298,6 +298,10 @@ _Needs to be bigger than `min_value`_
 
 _Initial slider value_
 
+`show_value`: "1" | "0"
+
+_Set to 0 if you don't want to display value text in the slider handle_
+
 ---
 
 ## Checkbox component

wgui/src/components/slider.rs

@@ -69,6 +69,7 @@ impl ValuesMinMax {
 pub struct Params {
 	pub style: taffy::Style,
 	pub values: ValuesMinMax,
+	pub show_value: bool,
 }
 
 struct State {
@@ -80,8 +81,8 @@ struct State {
 
 struct Data {
 	body_node: taffy::NodeId,
-	slider_handle_rect_id: WidgetID, // Rectangle
-	slider_text_id: WidgetID,        // Text
+	slider_handle_rect_id: WidgetID,  // Rectangle
+	slider_text_id: Option<WidgetID>, // Text
 	slider_handle_id: WidgetID,
 	slider_handle_node_id: taffy::NodeId,
 }
@@ -226,7 +227,9 @@ impl State {
 		common.alterables.mark_dirty(data.slider_handle_node_id);
 		common.alterables.mark_redraw();
 
-		if let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(data.slider_text_id) {
+		if let Some(slider_text_id) = data.slider_text_id
+			&& let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(slider_text_id)
+		{
 			Self::update_text(common, &mut label, self.values.value);
 		}
 
@@ -471,29 +474,34 @@ pub fn construct(ess: &mut ConstructEssentials, params: Params) -> anyhow::Resul
 
 	let globals = ess.layout.state.globals.clone();
 
-	let (slider_text, _) = ess.layout.add_child(
-		slider_handle.id,
-		WidgetLabel::create(
-			&mut globals.get(),
-			WidgetLabelParams {
-				content: Translation::default(),
-				style: TextStyle {
-					color: Some(drawing::Color::new(0.0, 0.0, 0.0, 0.75)), // always black
-					weight: Some(FontWeight::Bold),
-					align: Some(HorizontalAlign::Center),
-					..Default::default()
+	let slider_text: Option<(WidgetPair, taffy::NodeId)> = if params.show_value {
+		let pair = ess.layout.add_child(
+			slider_handle.id,
+			WidgetLabel::create(
+				&mut globals.get(),
+				WidgetLabelParams {
+					content: Translation::default(),
+					style: TextStyle {
+						color: Some(drawing::Color::new(0.0, 0.0, 0.0, 0.75)), // always black
+						weight: Some(FontWeight::Bold),
+						align: Some(HorizontalAlign::Center),
+						..Default::default()
+					},
 				},
-			},
-		),
-		Default::default(),
-	)?;
+			),
+			Default::default(),
+		)?;
+		Some(pair)
+	} else {
+		None
+	};
 
 	let data = Rc::new(Data {
 		slider_handle_rect_id: slider_handle_rect.id,
 		body_node: slider_body_node,
 		slider_handle_id: slider_handle.id,
 		slider_handle_node_id,
-		slider_text_id: slider_text.id,
+		slider_text_id: slider_text.map(|s| s.0.id),
 	});
 
 	let state = Rc::new(RefCell::new(state));

wgui/src/parser/component_slider.rs

@@ -1,7 +1,7 @@
 use crate::{
 	components::{Component, slider},
 	layout::WidgetID,
-	parser::{AttribPair, ParserContext, parse_check_f32, process_component, style::parse_style},
+	parser::{AttribPair, ParserContext, parse_check_f32, parse_check_i32, process_component, style::parse_style},
 	widget::ConstructEssentials,
 };
 
@@ -14,6 +14,7 @@ pub fn parse_component_slider(
 	let mut max_value = 1.0;
 	let mut initial_value = 0.5;
 	let mut step = 1.0;
+	let mut show_value = 1;
 
 	let style = parse_style(attribs);
 
@@ -32,6 +33,9 @@ pub fn parse_component_slider(
 			"step" => {
 				parse_check_f32(value, &mut step);
 			}
+			"show_value" => {
+				parse_check_i32(value, &mut show_value);
+			}
 			_ => {}
 		}
 	}
@@ -49,6 +53,7 @@ pub fn parse_component_slider(
 				value: initial_value,
 				step,
 			},
+			show_value: show_value != 0,
 		},
 	)?;