use i32 for negative values calculation

src/app/browser/window/tab/item/page/input/default.rs

@@ -40,10 +40,11 @@ impl Default {
             let response = response.clone();
             move |_, _| {
                 control.update(match size_limit {
-                    Some(limit_value) => Some(
+                    Some(limit) => Some(
-                        limit_value
+                        limit as i32
-                            - (base.to_string_partial(UriHideFlags::QUERY).len()
+                            - (base.to_string_partial(UriHideFlags::QUERY).len() as i32
-                                + Uri::escape_string(response.text().as_str(), None, false).len()),
+                                + Uri::escape_string(response.text().as_str(), None, false).len()
+                                    as i32),
                     ),
                     None => None,
                 });

src/app/browser/window/tab/item/page/input/default/control.rs

@@ -10,7 +10,7 @@ use gtk::Box;
 use std::sync::Arc;
 
 pub struct Control {
-    limit: Arc<Left>,
+    left: Arc<Left>,
     send: Arc<Send>,
     widget: Arc<Widget>,
 }
@@ -19,25 +19,21 @@ impl Control {
     // Construct
     pub fn new_arc() -> Arc<Self> {
         // Init components
-        let limit = Left::new_arc();
+        let left = Left::new_arc();
         let send = Send::new_arc();
 
         // Init widget
-        let widget = Widget::new_arc(limit.gobject(), send.gobject());
+        let widget = Widget::new_arc(left.gobject(), send.gobject());
 
         // Return activated struct
-        Arc::new(Self {
+        Arc::new(Self { left, send, widget })
-            limit,
-            send,
-            widget,
-        })
     }
 
     // Actions
-    pub fn update(&self, left: Option<usize>) {
+    pub fn update(&self, chars_left: Option<i32>) {
         // Update children components
-        self.limit.update(left);
+        self.left.update(chars_left);
-        self.send.update(match left {
+        self.send.update(match chars_left {
             Some(value) => value > 0,
             None => false,
         });

src/app/browser/window/tab/item/page/input/default/control/left.rs

@@ -20,8 +20,8 @@ impl Left {
     }
 
     // Actions
-    pub fn update(&self, left: Option<usize>) {
+    pub fn update(&self, chars_left: Option<i32>) {
-        self.widget.update(left);
+        self.widget.update(chars_left);
     }
 
     // Getters

src/app/browser/window/tab/item/page/input/default/control/left/widget.rs

@@ -14,17 +14,17 @@ impl Widget {
     }
 
     // Actions
-    pub fn update(&self, left: Option<usize>) {
+    pub fn update(&self, chars_left: Option<i32>) {
-        match left {
+        match chars_left {
             Some(value) => {
-                // Update color on limit reached
+                // Update color on chars left reached
                 self.gobject
                     .set_css_classes(&[if value > 0 { "success" } else { "error" }]); // @TODO add warning step?
 
                 // Update text
                 self.gobject.set_label(&value.to_string());
 
-                // Toggle visibility if limit provided
+                // Toggle visibility on chars left provided
                 self.gobject.set_visible(true);
             }
             None => self.gobject.set_visible(false),