From fc13bb3d65c85cfad9f231c0776d3a45f4fbf480 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Tue, 7 Jun 2022 05:24:43 +0200
Subject: Implement theme styling for `Canvas`

---
 graphics/src/widget/pure/canvas/program.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'graphics/src/widget/pure/canvas/program.rs')

diff --git a/graphics/src/widget/pure/canvas/program.rs b/graphics/src/widget/pure/canvas/program.rs
index 058b364b..20c6406e 100644
--- a/graphics/src/widget/pure/canvas/program.rs
+++ b/graphics/src/widget/pure/canvas/program.rs
@@ -9,7 +9,7 @@ use crate::Rectangle;
 /// application.
 ///
 /// [`Canvas`]: crate::widget::Canvas
-pub trait Program<Message> {
+pub trait Program<Message, Theme = iced_native::Theme> {
     /// The internal state mutated by the [`Program`].
     type State: Default + 'static;
 
@@ -44,6 +44,7 @@ pub trait Program<Message> {
     fn draw(
         &self,
         state: &Self::State,
+        theme: &Theme,
         bounds: Rectangle,
         cursor: Cursor,
     ) -> Vec<Geometry>;
@@ -64,9 +65,9 @@ pub trait Program<Message> {
     }
 }
 
-impl<Message, T> Program<Message> for &T
+impl<Message, Theme, T> Program<Message, Theme> for &T
 where
-    T: Program<Message>,
+    T: Program<Message, Theme>,
 {
     type State = T::State;
 
@@ -83,10 +84,11 @@ where
     fn draw(
         &self,
         state: &Self::State,
+        theme: &Theme,
         bounds: Rectangle,
         cursor: Cursor,
     ) -> Vec<Geometry> {
-        T::draw(self, state, bounds, cursor)
+        T::draw(self, state, theme, bounds, cursor)
     }
 
     fn mouse_interaction(
-- 
cgit