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Implement double click for reset

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This commit is contained in:
Robbert van der Helm
2022-03-14 14:42:05 +01:00
parent 2805272826
commit 986e93b8d0
2 changed files with 19 additions and 5 deletions
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22
nih_plug_iced/src/widgets/param_slider.rs
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@@ -13,7 +13,6 @@ use super::ParamMessage;
///
/// TODO: There are currently no styling options at all
/// TODO: Handle Shift+drag for granular drag
/// TODO: Handle Double click for reset
/// TODO: Handle Alt+click for text entry
pub struct ParamSlider<'a, P: Param, Renderer: text::Renderer> {
state: &'a mut State,
@@ -34,6 +33,11 @@ pub struct ParamSlider<'a, P: Param, Renderer: text::Renderer> {
pub struct State {
drag_active: bool,
keyboard_modifiers: keyboard::Modifiers,
/// Track clicks for double clicks.
last_click: Option<mouse::Click>,
/// Will be set to `true` if we just reset the parameter since you could otherwise reset the
/// parameter and then move your mouse around to still set it a non-default value.
ignore_changes: bool,
}
impl<'a, P: Param, Renderer: text::Renderer> ParamSlider<'a, P, Renderer> {
@@ -116,17 +120,23 @@ impl<'a, P: Param, Renderer: text::Renderer> Widget<ParamMessage, Renderer>
self.state.drag_active = true;
// Immediately trigger a parameter update if the value would be different, or
// reset the parameter if Ctrl is held
if self.state.keyboard_modifiers.control() {
// reset the parameter if Ctrl is held or the parameter is being double clicked
let click = mouse::Click::new(cursor_position, self.state.last_click);
self.state.last_click = Some(click);
if self.state.keyboard_modifiers.control()
|| matches!(click.kind(), mouse::click::Kind::Double)
{
self.set_normalized_value(
shell,
self.setter.default_normalized_param_value(self.param),
);
self.state.ignore_changes = true;
} else {
self.set_normalized_value(
shell,
util::remap_rect_x_coordinate(&bounds, cursor_position.x),
);
self.state.ignore_changes = false;
}
return event::Status::Captured;
@@ -143,7 +153,11 @@ impl<'a, P: Param, Renderer: text::Renderer> Widget<ParamMessage, Renderer>
}
Event::Mouse(mouse::Event::CursorMoved { .. })
| Event::Touch(touch::Event::FingerMoved { .. }) => {
if self.state.drag_active && bounds.contains(cursor_position) {
// Don't do anything when we just reset the parameter because that would be weird
if !self.state.ignore_changes
&& self.state.drag_active
&& bounds.contains(cursor_position)
{
self.set_normalized_value(
shell,
util::remap_rect_x_coordinate(&bounds, cursor_position.x),