diff --git a/crates/eframe/src/web/web_logger.rs b/crates/eframe/src/web/web_logger.rs index 8c4370160..650b2e530 100644 --- a/crates/eframe/src/web/web_logger.rs +++ b/crates/eframe/src/web/web_logger.rs @@ -38,6 +38,8 @@ impl log::Log for WebLogger { } fn log(&self, record: &log::Record<'_>) { + #![allow(clippy::match_same_arms)] + if !self.enabled(record.metadata()) { return; } diff --git a/crates/egui/src/containers/area.rs b/crates/egui/src/containers/area.rs index d66f6a141..30d1539f3 100644 --- a/crates/egui/src/containers/area.rs +++ b/crates/egui/src/containers/area.rs @@ -8,21 +8,23 @@ use crate::*; /// /// Areas back [`crate::Window`]s and other floating containers, /// like tooltips and the popups of [`crate::ComboBox`]. -/// -/// Area state is intentionally NOT persisted between sessions, -/// so that a bad tooltip or menu size won't be remembered forever. -/// A resizable [`Window`] remembers the size the user picked using -/// the state in the [`Resize`] container. #[derive(Clone, Copy, Debug)] +#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))] pub struct AreaState { /// Last known position of the pivot. - pub pivot_pos: Pos2, + pub pivot_pos: Option, /// The anchor point of the area, i.e. where on the area the [`Self::pivot_pos`] refers to. pub pivot: Align2, /// Last known size. - pub size: Vec2, + /// + /// Area size is intentionally NOT persisted between sessions, + /// so that a bad tooltip or menu size won't be remembered forever. + /// A resizable [`Window`] remembers the size the user picked using + /// the state in the [`Resize`] container. + #[cfg_attr(feature = "serde", serde(skip))] + pub size: Option, /// If false, clicks goes straight through to what is behind us. Useful for tooltips etc. pub interactable: bool, @@ -30,7 +32,20 @@ pub struct AreaState { /// At what time was this area first shown? /// /// Used to fade in the area. - pub last_became_visible_at: f64, + #[cfg_attr(feature = "serde", serde(skip))] + pub last_became_visible_at: Option, +} + +impl Default for AreaState { + fn default() -> Self { + Self { + pivot_pos: None, + pivot: Align2::LEFT_TOP, + size: None, + interactable: true, + last_became_visible_at: None, + } + } } impl AreaState { @@ -42,23 +57,27 @@ impl AreaState { /// The left top positions of the area. pub fn left_top_pos(&self) -> Pos2 { + let pivot_pos = self.pivot_pos.unwrap_or_default(); + let size = self.size.unwrap_or_default(); pos2( - self.pivot_pos.x - self.pivot.x().to_factor() * self.size.x, - self.pivot_pos.y - self.pivot.y().to_factor() * self.size.y, + pivot_pos.x - self.pivot.x().to_factor() * size.x, + pivot_pos.y - self.pivot.y().to_factor() * size.y, ) } /// Move the left top positions of the area. pub fn set_left_top_pos(&mut self, pos: Pos2) { - self.pivot_pos = pos2( - pos.x + self.pivot.x().to_factor() * self.size.x, - pos.y + self.pivot.y().to_factor() * self.size.y, - ); + let size = self.size.unwrap_or_default(); + self.pivot_pos = Some(pos2( + pos.x + self.pivot.x().to_factor() * size.x, + pos.y + self.pivot.y().to_factor() * size.y, + )); } /// Where the area is on screen. pub fn rect(&self) -> Rect { - Rect::from_min_size(self.left_top_pos(), self.size) + let size = self.size.unwrap_or_default(); + Rect::from_min_size(self.left_top_pos(), size) } } @@ -371,16 +390,28 @@ impl Area { let layer_id = LayerId::new(order, id); - let state = AreaState::load(ctx, id).map(|mut state| { - // override the saved state with the correct value - state.pivot = pivot; - state + let state = AreaState::load(ctx, id); + let mut sizing_pass = state.is_none(); + let mut state = state.unwrap_or(AreaState { + pivot_pos: None, + pivot, + size: None, + interactable, + last_became_visible_at: None, }); - let is_new = state.is_none(); - if is_new { - ctx.request_repaint(); // if we don't know the previous size we are likely drawing the area in the wrong place + state.pivot = pivot; + state.interactable = interactable; + if let Some(new_pos) = new_pos { + state.pivot_pos = Some(new_pos); } - let mut state = state.unwrap_or_else(|| { + state.pivot_pos.get_or_insert_with(|| { + default_pos.unwrap_or_else(|| automatic_area_position(ctx, layer_id)) + }); + state.interactable = interactable; + + let size = *state.size.get_or_insert_with(|| { + sizing_pass = true; + // during the sizing pass we will use this as the max size let mut size = default_size; @@ -396,28 +427,20 @@ impl Area { size = size.at_most(constrain_rect.size()); } - AreaState { - pivot_pos: default_pos.unwrap_or_else(|| automatic_area_position(ctx)), - pivot, - size, - interactable, - last_became_visible_at: ctx.input(|i| i.time), - } + size }); - state.pivot_pos = new_pos.unwrap_or(state.pivot_pos); - state.interactable = interactable; - // TODO(emilk): if last frame was sizing pass, it should be considered invisible for smmother fade-in + // TODO(emilk): if last frame was sizing pass, it should be considered invisible for smoother fade-in let visible_last_frame = ctx.memory(|mem| mem.areas().visible_last_frame(&layer_id)); - if !visible_last_frame { - state.last_became_visible_at = ctx.input(|i| i.time); + if !visible_last_frame || state.last_became_visible_at.is_none() { + state.last_became_visible_at = Some(ctx.input(|i| i.time)); } if let Some((anchor, offset)) = anchor { state.set_left_top_pos( anchor - .align_size_within_rect(state.size, constrain_rect) + .align_size_within_rect(size, constrain_rect) .left_top() + offset, ); @@ -446,7 +469,9 @@ impl Area { }); if movable && move_response.dragged() { - state.pivot_pos += move_response.drag_delta(); + if let Some(pivot_pos) = &mut state.pivot_pos { + *pivot_pos += move_response.drag_delta(); + } } if (move_response.dragged() || move_response.clicked()) @@ -481,7 +506,7 @@ impl Area { enabled, constrain, constrain_rect, - sizing_pass: is_new, + sizing_pass, fade_in, } } @@ -505,7 +530,7 @@ impl Prepared { } pub(crate) fn content_ui(&self, ctx: &Context) -> Ui { - let max_rect = Rect::from_min_size(self.state.left_top_pos(), self.state.size); + let max_rect = self.state.rect(); let clip_rect = self.constrain_rect; // Don't paint outside our bounds @@ -519,13 +544,14 @@ impl Prepared { ); if self.fade_in { - let age = - ctx.input(|i| (i.time - self.state.last_became_visible_at) as f32 + i.predicted_dt); - let opacity = crate::remap_clamp(age, 0.0..=ctx.style().animation_time, 0.0..=1.0); - let opacity = emath::easing::cubic_out(opacity); // slow fade-out = quick fade-in - ui.multiply_opacity(opacity); - if opacity < 1.0 { - ctx.request_repaint(); + if let Some(last_became_visible_at) = self.state.last_became_visible_at { + let age = ctx.input(|i| (i.time - last_became_visible_at) as f32 + i.predicted_dt); + let opacity = crate::remap_clamp(age, 0.0..=ctx.style().animation_time, 0.0..=1.0); + let opacity = emath::easing::cubic_out(opacity); // slow fade-out = quick fade-in + ui.multiply_opacity(opacity); + if opacity < 1.0 { + ctx.request_repaint(); + } } } @@ -545,10 +571,11 @@ impl Prepared { layer_id, mut state, move_response: mut response, + sizing_pass, .. } = self; - state.size = content_ui.min_size(); + state.size = Some(content_ui.min_size()); // Make sure we report back the correct size. // Very important after the initial sizing pass, when the initial estimate of the size is way off. @@ -558,6 +585,11 @@ impl Prepared { ctx.memory_mut(|m| m.areas_mut().set_state(layer_id, state)); + if sizing_pass { + // If we didn't know the size, we were likely drawing the area in the wrong place. + ctx.request_repaint(); + } + response } } @@ -571,12 +603,13 @@ fn pointer_pressed_on_area(ctx: &Context, layer_id: LayerId) -> bool { } } -fn automatic_area_position(ctx: &Context) -> Pos2 { +fn automatic_area_position(ctx: &Context, layer_id: LayerId) -> Pos2 { let mut existing: Vec = ctx.memory(|mem| { mem.areas() .visible_windows() - .into_iter() - .map(AreaState::rect) + .filter(|(id, _)| id != &layer_id) // ignore ourselves + .filter(|(_, state)| state.pivot_pos.is_some() && state.size.is_some()) + .map(|(_, state)| state.rect()) .collect() }); existing.sort_by_key(|r| r.left().round() as i32); diff --git a/crates/egui/src/containers/combo_box.rs b/crates/egui/src/containers/combo_box.rs index ab14e38cc..000e907c6 100644 --- a/crates/egui/src/containers/combo_box.rs +++ b/crates/egui/src/containers/combo_box.rs @@ -296,7 +296,12 @@ fn combo_box_dyn<'c, R>( let is_popup_open = ui.memory(|m| m.is_popup_open(popup_id)); - let popup_height = ui.memory(|m| m.areas().get(popup_id).map_or(100.0, |state| state.size.y)); + let popup_height = ui.memory(|m| { + m.areas() + .get(popup_id) + .and_then(|state| state.size) + .map_or(100.0, |size| size.y) + }); let above_or_below = if ui.next_widget_position().y + ui.spacing().interact_size.y + popup_height diff --git a/crates/egui/src/containers/popup.rs b/crates/egui/src/containers/popup.rs index 6e59b440b..e287444b2 100644 --- a/crates/egui/src/containers/popup.rs +++ b/crates/egui/src/containers/popup.rs @@ -118,8 +118,9 @@ fn show_tooltip_at_avoid_dyn<'c, R>( }); let tooltip_area_id = tooltip_id(widget_id, state.tooltip_count); - let expected_tooltip_size = - AreaState::load(ctx, tooltip_area_id).map_or(vec2(64.0, 32.0), |area| area.size); + let expected_tooltip_size = AreaState::load(ctx, tooltip_area_id) + .and_then(|area| area.size) + .unwrap_or(vec2(64.0, 32.0)); let screen_rect = ctx.screen_rect(); diff --git a/crates/egui/src/context.rs b/crates/egui/src/context.rs index 0e8bfe4d6..4643b17d9 100644 --- a/crates/egui/src/context.rs +++ b/crates/egui/src/context.rs @@ -495,11 +495,11 @@ impl ContextImpl { self.memory.areas_mut().set_state( LayerId::background(), AreaState { - pivot_pos: screen_rect.left_top(), + pivot_pos: Some(screen_rect.left_top()), pivot: Align2::LEFT_TOP, - size: screen_rect.size(), + size: Some(screen_rect.size()), interactable: true, - last_became_visible_at: f64::NEG_INFINITY, + last_became_visible_at: None, }, ); @@ -2209,7 +2209,7 @@ impl Context { pub fn used_rect(&self) -> Rect { self.write(|ctx| { let mut used = ctx.viewport().frame_state.used_by_panels; - for window in ctx.memory.areas().visible_windows() { + for (_id, window) in ctx.memory.areas().visible_windows() { used = used.union(window.rect()); } used diff --git a/crates/egui/src/memory.rs b/crates/egui/src/memory.rs index 475fe8b85..a09f0b57e 100644 --- a/crates/egui/src/memory.rs +++ b/crates/egui/src/memory.rs @@ -934,9 +934,6 @@ impl Memory { #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))] #[cfg_attr(feature = "serde", serde(default))] pub struct Areas { - /// Area state is intentionally NOT persisted between sessions, - /// so that a bad tooltip or menu size won't be remembered forever. - #[cfg_attr(feature = "serde", serde(skip))] areas: IdMap, /// Back-to-front. Top is last. @@ -1030,12 +1027,12 @@ impl Areas { .collect() } - pub(crate) fn visible_windows(&self) -> Vec<&area::AreaState> { + pub(crate) fn visible_windows(&self) -> impl Iterator { self.visible_layer_ids() - .iter() + .into_iter() .filter(|layer| layer.order == crate::Order::Middle) - .filter_map(|layer| self.get(layer.id)) - .collect() + .filter(|&layer| !self.is_sublayer(&layer)) + .filter_map(|layer| Some((layer, self.get(layer.id)?))) } pub fn move_to_top(&mut self, layer_id: LayerId) {