refactor: move some code around to make place for new Layout

emigui/src/containers.rs

@@ -2,12 +2,13 @@ pub mod area;
 pub mod collapsing_header;
 pub mod frame;
 pub mod menu;
+pub mod popup;
 pub mod resize;
 pub mod scroll_area;
 pub mod window;
 
 pub use {
-    area::Area, collapsing_header::CollapsingHeader, frame::Frame, resize::Resize,
+    area::Area, collapsing_header::CollapsingHeader, frame::Frame, popup::*, resize::Resize,
     scroll_area::ScrollArea, window::Window,
 };
 

emigui/src/containers/popup.rs

@@ -0,0 +1,27 @@
+use std::sync::Arc;
+
+use crate::*;
+
+pub fn show_tooltip(ctx: &Arc<Context>, add_contents: impl FnOnce(&mut Ui)) {
+    if let Some(mouse_pos) = ctx.input().mouse_pos {
+        //  TODO: default size
+        let id = Id::tooltip();
+        let window_pos = mouse_pos + vec2(16.0, 16.0);
+        show_popup(ctx, id, window_pos, add_contents);
+    }
+}
+
+/// Show a pop-over window
+pub fn show_popup(
+    ctx: &Arc<Context>,
+    id: Id,
+    window_pos: Pos2,
+    add_contents: impl FnOnce(&mut Ui),
+) -> InteractInfo {
+    use containers::*;
+    Area::new(id)
+        .order(Order::Foreground)
+        .fixed_pos(window_pos)
+        .interactable(false)
+        .show(ctx, |ui| Frame::popup(&ctx.style()).show(ui, add_contents))
+}

emigui/src/layout.rs

@@ -1,45 +1,6 @@
-use std::sync::Arc;
-
 use serde_derive::{Deserialize, Serialize};
 
-use crate::{widgets::*, *};
-
-// ----------------------------------------------------------------------------
-
-// TODO: rename GuiResponse
-pub struct GuiResponse {
-    /// The mouse is hovering above this
-    pub hovered: bool,
-
-    /// The mouse clicked this thing this frame
-    pub clicked: bool,
-
-    /// The mouse is interacting with this thing (e.g. dragging it)
-    pub active: bool,
-
-    /// The area of the screen we are talking about
-    pub rect: Rect,
-
-    /// Used for optionally showing a tooltip
-    pub ctx: Arc<Context>,
-}
-
-impl GuiResponse {
-    /// Show some stuff if the item was hovered
-    pub fn tooltip(&mut self, add_contents: impl FnOnce(&mut Ui)) -> &mut Self {
-        if self.hovered {
-            show_tooltip(&self.ctx, add_contents);
-        }
-        self
-    }
-
-    /// Show this text if the item was hovered
-    pub fn tooltip_text(&mut self, text: impl Into<String>) -> &mut Self {
-        self.tooltip(|popup| {
-            popup.add(Label::new(text));
-        })
-    }
-}
+use crate::math::*;
 
 // ----------------------------------------------------------------------------
 
@@ -94,29 +55,3 @@ pub fn align_rect(rect: Rect, align: (Align, Align)) -> Rect {
     };
     Rect::from_min_size(pos2(x, y), rect.size())
 }
-
-// ----------------------------------------------------------------------------
-
-pub fn show_tooltip(ctx: &Arc<Context>, add_contents: impl FnOnce(&mut Ui)) {
-    if let Some(mouse_pos) = ctx.input().mouse_pos {
-        //  TODO: default size
-        let id = Id::tooltip();
-        let window_pos = mouse_pos + vec2(16.0, 16.0);
-        show_popup(ctx, id, window_pos, add_contents);
-    }
-}
-
-/// Show a pop-over window
-pub fn show_popup(
-    ctx: &Arc<Context>,
-    id: Id,
-    window_pos: Pos2,
-    add_contents: impl FnOnce(&mut Ui),
-) -> InteractInfo {
-    use containers::*;
-    Area::new(id)
-        .order(Order::Foreground)
-        .fixed_pos(window_pos)
-        .interactable(false)
-        .show(ctx, |ui| Frame::popup(&ctx.style()).show(ui, add_contents))
-}

emigui/src/lib.rs

@@ -49,7 +49,7 @@ pub use {
     id::Id,
     input::*,
     layers::*,
-    layout::{Align, GuiResponse},
+    layout::Align,
     math::*,
     memory::Memory,
     mesher::{Mesh, PaintBatches, Vertex},

emigui/src/math.rs

@@ -432,6 +432,13 @@ impl Rect {
         self.max = self.max.max(p);
     }
 
+    pub fn union(self, other: Rect) -> Rect {
+        Rect {
+            min: self.min.min(other.min),
+            max: self.max.max(other.max),
+        }
+    }
+
     pub fn center(&self) -> Pos2 {
         Pos2 {
             x: self.min.x + self.size().x / 2.0,

emigui/src/texture_atlas.rs

@@ -92,7 +92,9 @@ impl TextureAtlas {
 
 impl Texture {
     pub fn ui(&self, ui: &mut crate::Ui) {
-        use crate::{color::WHITE, label, layout::show_tooltip, math::*, Mesh, PaintCmd, Vertex};
+        use crate::{
+            color::WHITE, containers::show_tooltip, label, math::*, Mesh, PaintCmd, Vertex,
+        };
 
         ui.add(label!(
             "Texture size: {} x {} (hover to zoom)",

emigui/src/types.rs

@@ -1,3 +1,5 @@
+use std::sync::Arc;
+
 use serde_derive::{Deserialize, Serialize};
 
 use crate::{
@@ -5,6 +7,7 @@ use crate::{
     fonts::TextStyle,
     math::{Pos2, Rect},
     mesher::{Mesh, Path},
+    Context, Ui,
 };
 
 // ----------------------------------------------------------------------------
@@ -53,6 +56,54 @@ pub struct InteractInfo {
     pub rect: Rect,
 }
 
+impl InteractInfo {
+    pub fn union(self, other: Self) -> Self {
+        Self {
+            hovered: self.hovered || other.hovered,
+            clicked: self.clicked || other.clicked,
+            active: self.active || other.active,
+            rect: self.rect.union(other.rect),
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+// TODO: rename GuiResponse
+pub struct GuiResponse {
+    /// The mouse is hovering above this
+    pub hovered: bool,
+
+    /// The mouse clicked this thing this frame
+    pub clicked: bool,
+
+    /// The mouse is interacting with this thing (e.g. dragging it)
+    pub active: bool,
+
+    /// The area of the screen we are talking about
+    pub rect: Rect,
+
+    /// Used for optionally showing a tooltip
+    pub ctx: Arc<Context>,
+}
+
+impl GuiResponse {
+    /// Show some stuff if the item was hovered
+    pub fn tooltip(&mut self, add_contents: impl FnOnce(&mut Ui)) -> &mut Self {
+        if self.hovered {
+            crate::containers::show_tooltip(&self.ctx, add_contents);
+        }
+        self
+    }
+
+    /// Show this text if the item was hovered
+    pub fn tooltip_text(&mut self, text: impl Into<String>) -> &mut Self {
+        self.tooltip(|popup| {
+            popup.add(crate::widgets::Label::new(text));
+        })
+    }
+}
+
 // ----------------------------------------------------------------------------
 
 #[derive(Clone, Copy, Debug, Deserialize, Serialize)]

emigui/src/widgets.rs

@@ -1,9 +1,6 @@
 #![allow(clippy::new_without_default)]
 
-use crate::{
-    layout::{Direction, GuiResponse},
-    *,
-};
+use crate::{layout::Direction, GuiResponse, *};
 
 mod slider;
 mod text_edit;