mirror of
https://github.com/emilk/egui.git
synced 2026-09-01 06:10:06 -04:00
Add Window::show_async!
A refactoring of crates/egui/src/containers/window.rs is needed
This commit is contained in:
Konkitoman
@@ -439,6 +439,11 @@ impl<'open> Window<'open> {
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self.show_dyn(ctx, Box::new(add_contents))
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self.show_dyn(ctx, Box::new(add_contents))
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}
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}
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#[inline]
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pub fn show_async(self, ctx: &Context, add_contents: impl Fn(&mut Ui) + Send + Sync + 'static) {
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self.show_dyn_async(ctx, Box::new(add_contents))
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}
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fn show_dyn<'a, R>(
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fn show_dyn<'a, R>(
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self,
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self,
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ctx: &Context,
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ctx: &Context,
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@@ -911,6 +916,469 @@ impl<'open> Window<'open> {
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};
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};
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Some(inner_response)
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Some(inner_response)
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}
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}
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fn show_dyn_async<'a>(self, ctx: &Context, add_contents: Box<dyn Fn(&mut Ui) + Send + Sync>) {
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let Window {
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title,
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mut open,
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mut embedded,
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area,
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frame,
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resize,
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scroll,
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collapsible,
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default_open,
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with_title_bar,
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mut window_builder,
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} = self;
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let embedded = if let Some(embedded) = &mut embedded {
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if let Some(tmp_embedded) = ctx.data_mut(|data| {
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let tmp = data.get_persisted::<bool>(area.id.with("_embedded"));
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data.remove::<bool>(area.id.with("_embedded"));
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tmp
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}) {
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**embedded = tmp_embedded;
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}
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**embedded
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} else {
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true
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};
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let is_open = if let Some(open) = &mut open {
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if let Some(tmp_open) = ctx.data_mut(|data| {
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let tmp = data.get_persisted::<bool>(area.id.with("_open"));
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data.remove::<bool>(area.id.with("_open"));
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tmp
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}) {
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**open = tmp_open;
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}
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**open
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} else {
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true
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};
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let is_open = is_open || ctx.memory(|mem| mem.everything_is_visible());
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ctx.data_mut(|data| {
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data.insert_persisted(area.id.with("_is_embedded"), embedded);
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data.insert_persisted(area.id.with("_is_open"), is_open);
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});
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if !is_open {
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return;
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}
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let show_close_button = open.is_some();
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'create_viewport: {
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if !embedded && ctx.is_desktop() {
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if let Some(size) = ctx.data(|data| data.get_temp::<Vec2>(area.id.with("size"))) {
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let size = size.round()
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+ ctx.style().spacing.window_margin.sum() * ctx.pixels_per_point();
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window_builder =
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window_builder.with_inner_size((size.x as u32 + 1, size.y as u32 + 1));
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} else {
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ctx.request_repaint();
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break 'create_viewport;
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}
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window_builder.close_button = open.is_some();
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window_builder.resizable = resize.is_resizable();
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window_builder.decorations = !with_title_bar;
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let pix = ctx.pixels_per_point();
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let min_size = resize.min_size * pix;
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let max_size = resize.max_size * pix;
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let max_size = if !max_size.is_finite() {
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None
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} else {
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Some(max_size)
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};
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window_builder.min_inner_size = Some((min_size.x as u32, min_size.y as u32));
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if let Some(max_size) = max_size {
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window_builder.max_inner_size = Some((max_size.x as u32, max_size.y as u32));
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}
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ctx.create_viewport(
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window_builder,
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move |ctx, viewport_id, parent_viewport_id| {
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let mut op = is_open;
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let open = if show_close_button {
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Some(&mut op)
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} else {
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None
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};
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let scroll = scroll.clone();
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let title = title.clone();
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let frame = frame
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.unwrap_or_else(|| Frame::window(&ctx.style()))
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.outer_margin(0.0)
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.shadow(Shadow::NONE)
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.stroke(Stroke::new(
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1.0,
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if ctx.input(|i| i.focused) {
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Color32::BLUE
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} else {
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Color32::BROWN
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},
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));
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area.show_open_close_animation(ctx, &frame, is_open);
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let area_id = area.id;
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let area_layer_id = area.layer();
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let resize_id = area_id.with("resize");
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let mut collapsing = CollapsingState::load_with_default_open(
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ctx,
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area_id.with("collapsing"),
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default_open,
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);
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let is_collapsed = with_title_bar && !collapsing.is_open();
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let possible = PossibleInteractions::new(&area, &resize, is_collapsed);
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let area = area.movable(false); // We move it manually, or the area will move the window when we want to resize it
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let resize = resize.resizable(false); // We move it manually
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let mut resize = resize.id(resize_id);
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let mut area = area.begin(ctx);
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let win_size = ctx.input(|i| i.screen_rect.size());
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area.state_mut().set_left_top_pos(Pos2::ZERO);
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area.state_mut().size = win_size;
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let title_content_spacing = 2.0 * ctx.style().spacing.item_spacing.y;
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let title_bar_height = if with_title_bar {
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let style = ctx.style();
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ctx.fonts(|f| title.font_height(f, &style)) + title_content_spacing
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} else {
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0.0
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};
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let margins = frame.outer_margin.sum()
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+ frame.inner_margin.sum()
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+ vec2(0.0, title_bar_height)
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- vec2(0.0, 3.0); //magic number
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if let Some(mut state) = resize::State::load(ctx, resize_id) {
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state.requested_size = Some(win_size - margins);
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state.store(ctx, resize_id);
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}
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// First interact (move etc) to avoid frame delay:
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let last_frame_outer_rect = area.state().rect();
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let interaction = if possible.movable || possible.resizable() {
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window_interaction(
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ctx,
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possible,
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area_layer_id,
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area_id.with("frame_resize"),
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last_frame_outer_rect,
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)
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.and_then(|window_interaction| {
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// Calculate roughly how much larger the window size is compared to the inner rect
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let pointer_pos = ctx.input(|i| i.pointer.interact_pos())?;
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let mut rect = window_interaction.start_rect; // prevent drift
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window_interaction.set_cursor(ctx);
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if window_interaction.is_resize() {
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ctx.viewport_command(
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viewport_id,
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ViewportCommand::Resize(
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window_interaction.top,
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window_interaction.bottom,
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window_interaction.right,
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window_interaction.left,
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),
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);
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} else {
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if ctx.input(|i| i.pointer.primary_pressed()) {}
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}
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ctx.memory_mut(|mem| mem.areas.move_to_top(area_layer_id));
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Some(window_interaction)
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})
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} else {
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None
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};
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let hover_interaction =
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resize_hover(ctx, possible, area_layer_id, last_frame_outer_rect);
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let mut area_content_ui = area.content_ui(ctx);
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let mut size = Vec2::new(1.0, 1.0);
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let content_inner = {
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// BEGIN FRAME --------------------------------
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let frame_stroke = frame.stroke;
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let mut frame = frame.begin(&mut area_content_ui);
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let title_bar = if with_title_bar {
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let title_bar = show_title_bar(
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&mut frame.content_ui,
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title,
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show_close_button,
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&mut collapsing,
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collapsible,
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);
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resize.min_size.x =
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resize.min_size.x.at_least(title_bar.rect.width()); // Prevent making window smaller than title bar width
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Some(title_bar)
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} else {
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None
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};
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let (content_inner, content_response) = collapsing
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.show_body_unindented(&mut frame.content_ui, |ui| {
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resize.show(ui, |ui| {
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if title_bar.is_some() {
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ui.add_space(title_content_spacing);
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}
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if scroll.has_any_bar() {
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scroll.show(ui, |ui| add_contents(ui)).inner
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} else {
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add_contents(ui)
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}
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})
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})
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.map_or((None, None), |ir| (Some(ir.inner), Some(ir.response)));
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if let Some(content_response) = &content_response {
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size = content_response.rect.size()
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}
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let outer_rect = frame.end(&mut area_content_ui).rect;
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paint_resize_corner(
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&mut area_content_ui,
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&possible,
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outer_rect,
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frame_stroke,
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);
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// END FRAME --------------------------------
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if let Some(title_bar) = title_bar {
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let res = title_bar.ui(
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&mut area_content_ui,
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outer_rect,
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&content_response,
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open,
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&mut collapsing,
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collapsible,
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);
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if res.is_pointer_button_down_on() {
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ctx.viewport_command(viewport_id, ViewportCommand::Drag);
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}
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}
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collapsing.store(ctx);
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if let Some(interaction) = interaction {
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paint_frame_interaction(
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&mut area_content_ui,
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outer_rect,
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interaction,
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ctx.style().visuals.widgets.active,
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);
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} else if let Some(hover_interaction) = hover_interaction {
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if ctx.input(|i| i.pointer.has_pointer()) {
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paint_frame_interaction(
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&mut area_content_ui,
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outer_rect,
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hover_interaction,
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ctx.style().visuals.widgets.hovered,
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);
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}
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}
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content_inner
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};
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let full_response = area.end(ctx, area_content_ui);
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if !collapsing.is_open() {
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let size = ctx.round_vec_to_pixels(full_response.rect.size());
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ctx.viewport_command(
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viewport_id,
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ViewportCommand::InnerSize(size.x as u32, size.y as u32),
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|
);
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}
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// let size = ctx.round_vec_to_pixels(full_response.rect.size());
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if win_size.x < size.x {
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println!("Set size!");
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ctx.viewport_command(
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viewport_id,
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ViewportCommand::InnerSize(size.x as u32, win_size.y as u32),
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);
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}
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if win_size.y < size.y {
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println!("Set size!");
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ctx.viewport_command(
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viewport_id,
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ViewportCommand::InnerSize(win_size.x as u32, size.y as u32),
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);
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|
}
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if show_close_button && op != is_open {
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ctx.data_mut(|data| data.insert_persisted(area_id.with("_open"), op));
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ctx.request_repaint_viewport(parent_viewport_id);
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|
}
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|
},
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|
);
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|
return;
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|
}
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|
}
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|
let frame = frame.unwrap_or_else(|| Frame::window(&ctx.style()));
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|
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|
area.show_open_close_animation(ctx, &frame, is_open);
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|
|
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|
let area_id = area.id;
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|
let area_layer_id = area.layer();
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|
let resize_id = area_id.with("resize");
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|
let mut collapsing =
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|
CollapsingState::load_with_default_open(ctx, area_id.with("collapsing"), default_open);
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|
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|
let is_collapsed = with_title_bar && !collapsing.is_open();
|
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|
let possible = PossibleInteractions::new(&area, &resize, is_collapsed);
|
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|
|
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|
let area = area.movable(false); // We move it manually, or the area will move the window when we want to resize it
|
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|
let resize = resize.resizable(false); // We move it manually
|
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|
let mut resize = resize.id(resize_id);
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|
|
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|
let mut area = area.begin(ctx);
|
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|
|
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|
let title_content_spacing = 2.0 * ctx.style().spacing.item_spacing.y;
|
||||||
|
|
||||||
|
// First interact (move etc) to avoid frame delay:
|
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|
let last_frame_outer_rect = area.state().rect();
|
||||||
|
let interaction = if possible.movable || possible.resizable() {
|
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|
window_interaction(
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|
ctx,
|
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|
possible,
|
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|
area_layer_id,
|
||||||
|
area_id.with("frame_resize"),
|
||||||
|
last_frame_outer_rect,
|
||||||
|
)
|
||||||
|
.and_then(|window_interaction| {
|
||||||
|
// Calculate roughly how much larger the window size is compared to the inner rect
|
||||||
|
let title_bar_height = if with_title_bar {
|
||||||
|
let style = ctx.style();
|
||||||
|
ctx.fonts(|f| title.font_height(f, &style)) + title_content_spacing
|
||||||
|
} else {
|
||||||
|
0.0
|
||||||
|
};
|
||||||
|
let margins = frame.outer_margin.sum()
|
||||||
|
+ frame.inner_margin.sum()
|
||||||
|
+ vec2(0.0, title_bar_height);
|
||||||
|
|
||||||
|
interact(
|
||||||
|
window_interaction,
|
||||||
|
ctx,
|
||||||
|
margins,
|
||||||
|
area_layer_id,
|
||||||
|
&mut area,
|
||||||
|
resize_id,
|
||||||
|
)
|
||||||
|
})
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
let hover_interaction = resize_hover(ctx, possible, area_layer_id, last_frame_outer_rect);
|
||||||
|
|
||||||
|
let mut area_content_ui = area.content_ui(ctx);
|
||||||
|
|
||||||
|
let mut size = Vec2::new(1.0, 1.0);
|
||||||
|
|
||||||
|
let content_inner = {
|
||||||
|
// BEGIN FRAME --------------------------------
|
||||||
|
let frame_stroke = frame.stroke;
|
||||||
|
let mut frame = frame.begin(&mut area_content_ui);
|
||||||
|
|
||||||
|
let title_bar = if with_title_bar {
|
||||||
|
let title_bar = show_title_bar(
|
||||||
|
&mut frame.content_ui,
|
||||||
|
title,
|
||||||
|
show_close_button,
|
||||||
|
&mut collapsing,
|
||||||
|
collapsible,
|
||||||
|
);
|
||||||
|
resize.min_size.x = resize.min_size.x.at_least(title_bar.rect.width()); // Prevent making window smaller than title bar width
|
||||||
|
Some(title_bar)
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
let (content_inner, content_response) = collapsing
|
||||||
|
.show_body_unindented(&mut frame.content_ui, |ui| {
|
||||||
|
resize.show(ui, |ui| {
|
||||||
|
if title_bar.is_some() {
|
||||||
|
ui.add_space(title_content_spacing);
|
||||||
|
}
|
||||||
|
|
||||||
|
if scroll.has_any_bar() {
|
||||||
|
scroll.show(ui, |ui| add_contents(ui)).inner
|
||||||
|
} else {
|
||||||
|
add_contents(ui)
|
||||||
|
}
|
||||||
|
})
|
||||||
|
})
|
||||||
|
.map_or((None, None), |ir| (Some(ir.inner), Some(ir.response)));
|
||||||
|
if let Some(content_response) = &content_response {
|
||||||
|
size = content_response.rect.size()
|
||||||
|
}
|
||||||
|
|
||||||
|
let outer_rect = frame.end(&mut area_content_ui).rect;
|
||||||
|
paint_resize_corner(&mut area_content_ui, &possible, outer_rect, frame_stroke);
|
||||||
|
|
||||||
|
// END FRAME --------------------------------
|
||||||
|
|
||||||
|
if let Some(title_bar) = title_bar {
|
||||||
|
title_bar.ui(
|
||||||
|
&mut area_content_ui,
|
||||||
|
outer_rect,
|
||||||
|
&content_response,
|
||||||
|
open,
|
||||||
|
&mut collapsing,
|
||||||
|
collapsible,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
collapsing.store(ctx);
|
||||||
|
|
||||||
|
if let Some(interaction) = interaction {
|
||||||
|
paint_frame_interaction(
|
||||||
|
&mut area_content_ui,
|
||||||
|
outer_rect,
|
||||||
|
interaction,
|
||||||
|
ctx.style().visuals.widgets.active,
|
||||||
|
);
|
||||||
|
} else if let Some(hover_interaction) = hover_interaction {
|
||||||
|
if ctx.input(|i| i.pointer.has_pointer()) {
|
||||||
|
paint_frame_interaction(
|
||||||
|
&mut area_content_ui,
|
||||||
|
outer_rect,
|
||||||
|
hover_interaction,
|
||||||
|
ctx.style().visuals.widgets.hovered,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
content_inner
|
||||||
|
};
|
||||||
|
|
||||||
|
{
|
||||||
|
let pos = ctx
|
||||||
|
.constrain_window_rect_to_area(area.state().rect(), area.drag_bounds())
|
||||||
|
.left_top();
|
||||||
|
area.state_mut().set_left_top_pos(pos);
|
||||||
|
}
|
||||||
|
|
||||||
|
let full_response = area.end(ctx, area_content_ui);
|
||||||
|
ctx.data_mut(|data| data.insert_temp(area_id.with("size"), size));
|
||||||
|
|
||||||
|
let inner_response = InnerResponse {
|
||||||
|
inner: content_inner,
|
||||||
|
response: full_response,
|
||||||
|
};
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
fn paint_resize_corner(
|
fn paint_resize_corner(
|
||||||
|
|||||||
@@ -14,6 +14,7 @@ fn main() {
|
|||||||
|
|
||||||
let mut embedded1 = false;
|
let mut embedded1 = false;
|
||||||
let mut embedded2 = true;
|
let mut embedded2 = true;
|
||||||
|
let mut embedded3 = true;
|
||||||
|
|
||||||
let _ = eframe::run_simple_native(
|
let _ = eframe::run_simple_native(
|
||||||
"Viewports Examples",
|
"Viewports Examples",
|
||||||
@@ -100,62 +101,66 @@ fn main() {
|
|||||||
}
|
}
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
egui::CollapsingHeader::new("Shout Test2").show(ui, |ui| {
|
egui::CollapsingHeader::new("Async Test2").show(ui, |ui| {
|
||||||
egui::Window::new("Test2").show(ctx, move |ui| {
|
egui::Window::new("Test2")
|
||||||
ui.label(format!("Frame: {}", ui.ctx().frame_nr()));
|
.embedded(&mut embedded2)
|
||||||
let mut embedded = ui.data_mut(|data| {
|
.show_async(ctx, move |ui| {
|
||||||
*data.get_temp_mut_or(Id::new("Test2").with("_embedded"), true)
|
ui.label(format!("Frame: {}", ui.ctx().frame_nr()));
|
||||||
});
|
let mut embedded = ui.data_mut(|data| {
|
||||||
if ui.checkbox(&mut embedded, "Should embedd?").clicked() {
|
*data.get_temp_mut_or(Id::new("Test2").with("_is_embedded"), true)
|
||||||
ui.ctx()
|
});
|
||||||
.request_repaint_viewport(ui.ctx().get_parent_viewport_id());
|
if ui.checkbox(&mut embedded, "Should embedd?").clicked() {
|
||||||
}
|
ui.ctx()
|
||||||
ui.data_mut(|data| {
|
.request_repaint_viewport(ui.ctx().get_parent_viewport_id());
|
||||||
data.insert_persisted(Id::new("Test2").with("_embedded"), embedded)
|
}
|
||||||
});
|
ui.data_mut(|data| {
|
||||||
if to_repair {
|
data.insert_persisted(Id::new("Test2").with("_embedded"), embedded)
|
||||||
ui.spinner();
|
});
|
||||||
}
|
if to_repair {
|
||||||
let ctx = ui.ctx().clone();
|
ui.spinner();
|
||||||
ui.label(format!(
|
}
|
||||||
"Current rendering window: {}",
|
let ctx = ui.ctx().clone();
|
||||||
ctx.get_viewport_id()
|
ui.label(format!(
|
||||||
));
|
"Current rendering window: {}",
|
||||||
|
ctx.get_viewport_id()
|
||||||
|
));
|
||||||
|
|
||||||
if ui.button("Drag").is_pointer_button_down_on() {
|
if ui.button("Drag").is_pointer_button_down_on() {
|
||||||
ctx.viewport_command(
|
ctx.viewport_command(
|
||||||
ctx.get_viewport_id(),
|
ctx.get_viewport_id(),
|
||||||
egui::window::ViewportCommand::Drag,
|
egui::window::ViewportCommand::Drag,
|
||||||
)
|
)
|
||||||
}
|
}
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
egui::CollapsingHeader::new("Shout Test3").show(ui, |ui| {
|
egui::CollapsingHeader::new("Async Test3").show(ui, |ui| {
|
||||||
egui::Window::new("Test3").show(ctx, move |ui| {
|
egui::Window::new("Test3")
|
||||||
ui.label(format!("Frame: {}", ui.ctx().frame_nr()));
|
.embedded(&mut embedded3)
|
||||||
let mut embedded = ui.data_mut(|data| {
|
.show_async(ctx, move |ui| {
|
||||||
*data.get_temp_mut_or(Id::new("Test3").with("_embedded"), true)
|
ui.label(format!("Frame: {}", ui.ctx().frame_nr()));
|
||||||
});
|
let mut embedded = ui.data_mut(|data| {
|
||||||
if ui.checkbox(&mut embedded, "Should embedd?").clicked() {
|
*data.get_temp_mut_or(Id::new("Test3").with("_is_embedded"), true)
|
||||||
ui.ctx()
|
});
|
||||||
.request_repaint_viewport(ui.ctx().get_parent_viewport_id());
|
if ui.checkbox(&mut embedded, "Should embedd?").clicked() {
|
||||||
}
|
ui.ctx()
|
||||||
ui.data_mut(|data| {
|
.request_repaint_viewport(ui.ctx().get_parent_viewport_id());
|
||||||
data.insert_persisted(Id::new("Test3").with("_embedded"), embedded)
|
}
|
||||||
});
|
ui.data_mut(|data| {
|
||||||
let ctx = ui.ctx().clone();
|
data.insert_persisted(Id::new("Test3").with("_embedded"), embedded)
|
||||||
ui.label(format!(
|
});
|
||||||
"Current rendering window: {}",
|
let ctx = ui.ctx().clone();
|
||||||
ctx.get_viewport_id()
|
ui.label(format!(
|
||||||
));
|
"Current rendering window: {}",
|
||||||
|
ctx.get_viewport_id()
|
||||||
|
));
|
||||||
|
|
||||||
if ui.button("Drag").is_pointer_button_down_on() {
|
if ui.button("Drag").is_pointer_button_down_on() {
|
||||||
ctx.viewport_command(
|
ctx.viewport_command(
|
||||||
ctx.get_viewport_id(),
|
ctx.get_viewport_id(),
|
||||||
egui::window::ViewportCommand::Drag,
|
egui::window::ViewportCommand::Drag,
|
||||||
)
|
)
|
||||||
}
|
}
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
},
|
},
|
||||||
|
|||||||
Reference in New Issue
Block a user