update tag on navigate

src/app/browser/window/tab/item/page/content/text/search.rs

@@ -28,8 +28,8 @@ impl Search {
         let close = close::new();
         let input = Rc::new(Input::new());
         let match_case = match_case::new();
-        let navigation = Rc::new(Navigation::new());
         let tag = Rc::new(Tag::new(text_buffer.tag_table()));
+        let navigation = Rc::new(Navigation::new(text_buffer.clone(), tag.current.clone()));
 
         // Init main container
         let g_box = Box::builder()

src/app/browser/window/tab/item/page/content/text/search/navigation.rs

@@ -4,7 +4,10 @@ mod forward;
 use back::Back;
 use forward::Forward;
 
-use gtk::{prelude::BoxExt, Box, Orientation, TextIter};
+use gtk::{
+    prelude::{BoxExt, TextBufferExt},
+    Box, Orientation, TextBuffer, TextIter, TextTag,
+};
 use std::{
     cell::{Cell, RefCell},
     rc::Rc,
@@ -18,13 +21,15 @@ pub struct Navigation {
     pub g_box: Box,
     index: Rc<Cell<usize>>,
     matches: Rc<RefCell<Vec<(TextIter, TextIter)>>>,
+    text_buffer: TextBuffer,
+    current_tag: TextTag,
 }
 
 impl Navigation {
     // Constructors
 
     /// Create new `Self`
-    pub fn new() -> Self {
+    pub fn new(text_buffer: TextBuffer, current_tag: TextTag) -> Self {
         // Init shared matches holder
         let index = Rc::new(Cell::new(0));
         let matches = Rc::new(RefCell::new(Vec::new()));
@@ -51,6 +56,8 @@ impl Navigation {
             g_box,
             index,
             matches,
+            text_buffer,
+            current_tag,
         }
     }
 
@@ -67,9 +74,16 @@ impl Navigation {
     }
 
     pub fn back(&self) -> Option<(TextIter, TextIter)> {
+        self.text_buffer.remove_tag(
+            &self.current_tag,
+            &self.text_buffer.start_iter(),
+            &self.text_buffer.end_iter(),
+        );
+
         let index = self.index.take();
         match self.matches.borrow().get(back(index)) {
             Some((start, end)) => {
+                self.text_buffer.apply_tag(&self.current_tag, &start, &end);
                 self.index.replace(if index == 0 {
                     len_to_index(self.matches.borrow().len())
                 } else {
@@ -86,10 +100,17 @@ impl Navigation {
     }
 
     pub fn forward(&self) -> Option<(TextIter, TextIter)> {
+        self.text_buffer.remove_tag(
+            &self.current_tag,
+            &self.text_buffer.start_iter(),
+            &self.text_buffer.end_iter(),
+        );
+
         let index = self.index.take();
         let next = forward(index);
         match self.matches.borrow().get(next) {
             Some((start, end)) => {
+                self.text_buffer.apply_tag(&self.current_tag, &start, &end);
                 self.index.replace(next);
                 Some((*start, *end))
             }

src/app/browser/window/tab/item/page/content/text/search/tag.rs

@@ -4,7 +4,7 @@ mod found;
 use gtk::{TextTag, TextTagTable};
 
 pub struct Tag {
-    // pub current: TextTag,
+    pub current: TextTag,
     pub found: TextTag,
 }
 
@@ -20,8 +20,6 @@ impl Tag {
         tag_table.add(&current);
         tag_table.add(&found);
 
-        Self {
-            /*current,*/ found,
-        }
+        Self { current, found }
     }
 }