From 993a790da72ab0cea6557964679679244f89b464 Mon Sep 17 00:00:00 2001
From: Leo dev <klesti.selimay@icloud.com>
Date: Sun, 25 Jan 2026 20:00:21 +0100
Subject: [PATCH] If statement rsx

---
 examples/hello_world.rs | 10 ++++--
 src/macros.rs           | 68 ++++++++++++++++++++++++++++++++---------
 2 files changed, 61 insertions(+), 17 deletions(-)

diff --git a/examples/hello_world.rs b/examples/hello_world.rs
index dfbca25..9f99450 100644
--- a/examples/hello_world.rs
+++ b/examples/hello_world.rs
@@ -83,10 +83,14 @@ fn app(cx: &Arc<Context>) -> View {
     // }
 
     rsx! {
-        my_component (ctx, view) {
-            let area = ctx.allocate(0, 0, 10, 10);
-            ctx.draw_view(area, view);
+        if %count (*count.get() > 0) {
+            my_component (ctx, view) {
+                let area = ctx.allocate(0, 1, 10, 10);
+                ctx.draw_view(area, view);
+            }
         }
+
+        %count "{count}"
     }
     .view(cx.clone())
 }
diff --git a/src/macros.rs b/src/macros.rs
index 28afe93..7dd86a0 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -6,39 +6,71 @@ macro_rules! rsx {
 
     ($($rsx:tt)+) => {{
         let mut r = $crate::frontend::Rsx::new();
-        $crate::rsx_scope!(r, $($rsx)+);
+        {
+            $crate::rsx_scope!(r, $($rsx)+);
+        }
         r
     }};
 }
 
 #[macro_export]
 macro_rules! rsx_scope {
+    ($rsx:expr, if $(%$($dep:ident)+)? ($st:expr) {$($inner:tt)*} $($rest:tt)*) => {
+        {
+            $($(let $dep = $dep.clone();)+)?
+
+            $rsx.dynamic_scope({
+                $($(let $dep = $dep.clone();)+)?
+                move |scope| {
+                    if $st {
+                        if scope.children.lock().unwrap().len() == 0 {
+                            $crate::rsx_child!(scope, $($inner)*);
+                        }
+                    } else {
+                        scope.children.lock().unwrap().clear();
+                    }
+                }
+            }, vec![$($(Box::new($dep)),+)?]);
+        }
+
+        $crate::rsx_scope!($rsx, $($rest)*);
+    };
+
     ($rsx:expr, $(%$($dep:ident)+)? $text:literal $($rest:tt)*) => {
-        let scope = $crate::component::Scope::new();
+        {
+            let scope = $crate::component::Scope::new();
 
-        $($(let $dep = $dep.clone();)+)?
+            $($(let $dep = $dep.clone();)+)?
 
-        $crate::rsx_child!(scope, $text);
+            $crate::rsx_child!(scope, $text);
+
+            $rsx.static_scope(scope);
+        }
 
-        $rsx.static_scope(scope);
         $crate::rsx_scope!($rsx, $($rest)*);
     };
 
     ($rsx:expr, $component:ident ($ctx:ident, $view:ident) $body:block $($rest:tt)*) => {
-        let scope = $crate::component::Scope::new();
+        {
+            let scope = $crate::component::Scope::new();
 
-        $crate::rsx_child!(scope, $component ($ctx, $view) $body);
+            $crate::rsx_child!(scope, $component ($ctx, $view) $body);
+
+            $rsx.static_scope(scope);
+        }
 
-        $rsx.static_scope(scope);
         $crate::rsx_scope!($rsx, $($rest)*);
     };
 
     ($rsx:expr, $component:ident $($rest:tt)*) => {
-        let scope = $crate::component::Scope::new();
+        {
+            let scope = $crate::component::Scope::new();
 
-        $crate::rsx_child!(scope, $component $body);
+            $crate::rsx_child!(scope, $component $body);
+
+            $rsx.static_scope(scope);
+        }
 
-        $rsx.static_scope(scope);
         $crate::rsx_scope!($rsx, $($rest)*);
     };
 
@@ -48,17 +80,25 @@ macro_rules! rsx_scope {
 #[macro_export]
 macro_rules! rsx_child {
     ($scope:expr, $text:literal $($rest:tt)*) => {
-        $scope.view(Arc::new(move |ctx| ctx.draw_text(Point { x: 0, y: 0 }, &format!($text))));
+        {
+            $scope.view(Arc::new(move |ctx| ctx.draw_text(Point { x: 0, y: 0 }, &format!($text))));
+        }
+
         $crate::rsx_child!($scope, $($rest)*);
     };
 
     ($scope:expr, $component:ident ($ctx:ident, $view:ident) $body:block $($rest:tt)*) => {
-        $scope.child($component, Some(Arc::new(|$ctx, $view| $body)));
+        {
+            $scope.child($component, Some(Arc::new(|$ctx, $view| $body)));
+        }
+
         $crate::rsx_child!($scope, $($rest)*);
     };
 
     ($scope:expr, $component:ident $($rest:tt)*) => {
-        $scope.child($component, None);
+        {
+            $scope.child($component, None);
+        }
         $crate::rsx_child!($scope, $($rest)*);
     };