Jan Pochyla
3 years ago
committed by
matejcik
parent
998210d569
commit
39263144b7
@ -0,0 +1,28 @@
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use super::{Component, Event, EventCtx};
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pub struct Map<T, F> {
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inner: T,
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func: F,
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}
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impl<T, F> Map<T, F> {
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pub fn new(inner: T, func: F) -> Self {
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Self { inner, func }
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}
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}
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impl<T, F, U> Component for Map<T, F>
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where
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T: Component,
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F: Fn(T::Msg) -> U,
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{
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type Msg = U;
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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self.inner.event(ctx, event).map(&self.func)
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}
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fn paint(&mut self) {
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self.inner.paint()
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}
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}
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@ -0,0 +1,42 @@
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use super::{Component, Event, EventCtx};
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impl<T, A, B> Component for (A, B)
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where
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A: Component<Msg = T>,
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B: Component<Msg = T>,
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{
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type Msg = T;
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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self.0
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.event(ctx, event)
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.or_else(|| self.1.event(ctx, event))
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}
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fn paint(&mut self) {
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self.0.paint();
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self.1.paint();
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}
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}
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impl<T, A, B, C> Component for (A, B, C)
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where
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A: Component<Msg = T>,
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B: Component<Msg = T>,
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C: Component<Msg = T>,
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{
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type Msg = T;
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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self.0
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.event(ctx, event)
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.or_else(|| self.1.event(ctx, event))
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.or_else(|| self.2.event(ctx, event))
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}
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fn paint(&mut self) {
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self.0.paint();
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self.1.paint();
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self.2.paint();
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}
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}
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@ -1,80 +1,96 @@
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use crate::ui::{
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component::{Child, Component, Event, EventCtx},
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component::{base::ComponentExt, Child, Component, Event, EventCtx},
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geometry::{Grid, Rect},
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};
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use super::button::{Button, ButtonMsg::Clicked};
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pub enum DialogMsg<T> {
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pub enum DialogMsg<T, L, R> {
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Content(T),
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LeftClicked,
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RightClicked,
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Left(L),
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Right(R),
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}
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pub struct Dialog<T> {
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pub struct Dialog<T, L, R> {
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content: Child<T>,
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left_btn: Option<Child<Button>>,
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right_btn: Option<Child<Button>>,
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left: Child<L>,
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right: Child<R>,
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}
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impl<T: Component> Dialog<T> {
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impl<T, L, R> Dialog<T, L, R>
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where
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T: Component,
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L: Component,
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R: Component,
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{
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pub fn new(
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area: Rect,
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content: impl FnOnce(Rect) -> T,
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left: impl FnOnce(Rect) -> Button,
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right: impl FnOnce(Rect) -> Button,
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left: impl FnOnce(Rect) -> L,
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right: impl FnOnce(Rect) -> R,
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) -> Self {
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let grid = Grid::new(area, 5, 2);
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let content = Child::new(content(Rect::new(
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grid.row_col(0, 0).top_left(),
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grid.row_col(4, 1).bottom_right(),
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)));
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let left_btn = Child::new(left(grid.row_col(4, 0)));
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let right_btn = Child::new(right(grid.row_col(4, 1)));
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let layout = DialogLayout::middle(area);
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Self {
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content,
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left_btn: Some(left_btn),
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right_btn: Some(right_btn),
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content: content(layout.content).into_child(),
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left: left(layout.left).into_child(),
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right: right(layout.right).into_child(),
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}
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}
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}
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impl<T: Component> Component for Dialog<T> {
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type Msg = DialogMsg<T::Msg>;
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impl<T, L, R> Component for Dialog<T, L, R>
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where
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T: Component,
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L: Component,
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R: Component,
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{
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type Msg = DialogMsg<T::Msg, L::Msg, R::Msg>;
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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if let Some(msg) = self.content.event(ctx, event) {
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Some(DialogMsg::Content(msg))
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} else if let Some(Clicked) = self.left_btn.as_mut().and_then(|b| b.event(ctx, event)) {
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Some(DialogMsg::LeftClicked)
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} else if let Some(Clicked) = self.right_btn.as_mut().and_then(|b| b.event(ctx, event)) {
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Some(DialogMsg::RightClicked)
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} else {
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None
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}
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self.content
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.event(ctx, event)
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.map(Self::Msg::Content)
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.or_else(|| self.left.event(ctx, event).map(Self::Msg::Left))
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.or_else(|| self.right.event(ctx, event).map(Self::Msg::Right))
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}
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fn paint(&mut self) {
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self.content.paint();
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if let Some(b) = self.left_btn.as_mut() {
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b.paint();
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}
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if let Some(b) = self.right_btn.as_mut() {
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b.paint();
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self.left.paint();
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self.right.paint();
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}
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}
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struct DialogLayout {
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content: Rect,
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left: Rect,
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right: Rect,
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}
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impl DialogLayout {
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fn middle(area: Rect) -> Self {
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let grid = Grid::new(area, 5, 2);
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Self {
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content: Rect::new(
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grid.row_col(0, 0).top_left(),
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grid.row_col(4, 1).bottom_right(),
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),
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left: grid.row_col(4, 0),
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right: grid.row_col(4, 1),
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}
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}
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}
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#[cfg(feature = "ui_debug")]
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impl<T> crate::trace::Trace for Dialog<T>
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impl<T, L, R> crate::trace::Trace for Dialog<T, L, R>
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where
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T: crate::trace::Trace,
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L: crate::trace::Trace,
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R: crate::trace::Trace,
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{
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fn trace(&self, t: &mut dyn crate::trace::Tracer) {
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t.open("Dialog");
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t.field("content", &self.content);
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t.field("left", &self.left_btn);
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t.field("right", &self.right_btn);
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t.field("left", &self.left);
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t.field("right", &self.right);
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t.close();
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}
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}
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