From 3416f3b91f608d370fc66e00460ccfba57b52d01 Mon Sep 17 00:00:00 2001
From: Emil Ernerfeldt <emilernerfeldt@gmail.com>
Date: Sat, 24 Oct 2020 10:10:08 +0200
Subject: [PATCH] [style] Wrap tooltip text earlier

---
 egui/src/containers/popup.rs | 7 ++++++-
 egui/src/style.rs            | 6 ++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/egui/src/containers/popup.rs b/egui/src/containers/popup.rs
index ec50d179..de3efbb4 100644
--- a/egui/src/containers/popup.rs
+++ b/egui/src/containers/popup.rs
@@ -31,5 +31,10 @@ fn show_popup(
         .order(Order::Tooltip)
         .fixed_pos(window_pos)
         .interactable(false)
-        .show(ctx, |ui| Frame::popup(&ctx.style()).show(ui, add_contents))
+        .show(ctx, |ui| {
+            Frame::popup(&ctx.style()).show(ui, |ui| {
+                ui.set_max_width(ui.style().spacing.tooltip_width);
+                add_contents(ui);
+            })
+        })
 }
diff --git a/egui/src/style.rs b/egui/src/style.rs
index 0fb24681..fcbd25f8 100644
--- a/egui/src/style.rs
+++ b/egui/src/style.rs
@@ -67,6 +67,9 @@ pub struct Spacing {
     /// Checkboxes, radio button and collapsing headers have an icon at the start.
     /// This is the spacing between the icon and the text
     pub icon_spacing: f32,
+
+    /// Width of a tooltip (`on_hover_ui`, `on_hover_text` etc).
+    pub tooltip_width: f32,
 }
 
 impl Spacing {
@@ -231,6 +234,7 @@ impl Default for Spacing {
             slider_width: 140.0,
             icon_width: 16.0,
             icon_spacing: 1.0,
+            tooltip_width: 400.0,
         }
     }
 }
@@ -348,6 +352,7 @@ impl Spacing {
             slider_width,
             icon_width,
             icon_spacing,
+            tooltip_width,
         } = self;
 
         ui_slider_vec2(ui, item_spacing, 0.0..=10.0, "item_spacing");
@@ -359,6 +364,7 @@ impl Spacing {
         ui.add(Slider::f32(slider_width, 0.0..=1000.0).text("slider_width"));
         ui.add(Slider::f32(icon_width, 0.0..=60.0).text("icon_width"));
         ui.add(Slider::f32(icon_spacing, 0.0..=10.0).text("icon_spacing"));
+        ui.add(Slider::f32(tooltip_width, 0.0..=10.0).text("tooltip_width"));
     }
 }