implement Ctrl+W in filter input

src/app.rs

@@ -211,6 +211,13 @@ impl Filter {
         self.regex = Self::build_regex(&self.filter);
     }
 
+    pub fn pop_word(&mut self) {
+        let previous_word_boundary = self.filter.trim().rfind(' ').map(|i| i + 1);
+        self.filter
+            .truncate(previous_word_boundary.unwrap_or_default());
+        self.regex = Self::build_regex(&self.filter);
+    }
+
     pub fn clear(&mut self) {
         self.filter.clear();
         self.regex = None;

src/ui/grouped_logs.rs

@@ -35,16 +35,11 @@ impl StatefulWidget for GroupedLogs<'_> {
 
         let par = Paragraph::new(format!(
             "{}{}{}\n\n{} from {} - Nextcloud {}",
-            line
-                .exception
+            line.exception
                 .as_ref()
                 .map(|e| e.exception.as_ref())
                 .unwrap_or_default(),
-            if line.exception.is_some() {
-                ":\n"
-            } else {
-                ""
-            },
+            if line.exception.is_some() { ":\n" } else { "" },
             line.message,
             line.level.as_str(),
             line.app,

src/ui/mod.rs

@@ -8,8 +8,8 @@ use crate::ui::match_list::match_list;
 use crate::ui::single_log::single_log;
 use crate::ui::single_match::grouped_lines;
 use crate::ui::state::{
-    ErrorState, GroupedLogsState, LogState, MatchListState, MatchState, Mode, UiEvent, UiPage,
-    UiState,
+    ErrorState, GroupedLogsState, LogState, MatchListState, MatchState, Mode, PopMode, UiEvent,
+    UiPage, UiState,
 };
 use ratatui::crossterm::event::{
     DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyModifiers, MouseButton,
@@ -110,7 +110,14 @@ fn handle_events(page: UiPage, ui_state: &UiState) -> io::Result<Option<UiEvent>
 
                     (Mode::FilterInput, KeyCode::Esc) => Some(UiEvent::ClearFilter),
                     (Mode::FilterInput, KeyCode::F(4)) => Some(UiEvent::Back),
-                    (Mode::FilterInput, KeyCode::Backspace) => Some(UiEvent::Backspace),
+                    (Mode::FilterInput, KeyCode::Backspace) => {
+                        Some(UiEvent::PopText(PopMode::Character))
+                    }
+                    (Mode::FilterInput, KeyCode::Char('w'))
+                        if key.modifiers == KeyModifiers::CONTROL =>
+                    {
+                        Some(UiEvent::PopText(PopMode::Word))
+                    }
                     (Mode::FilterInput, KeyCode::Char(c)) => Some(UiEvent::Text(c)),
                     _ => None,
                 });

src/ui/state.rs

@@ -429,9 +429,12 @@ impl<'a> UiState<'a> {
                 }
                 (true, ui)
             }
-            (mut ui, UiEvent::Backspace) if ui.mode() == Mode::FilterInput => {
+            (mut ui, UiEvent::PopText(pop_mode)) if ui.mode() == Mode::FilterInput => {
                 if let Some(filter) = ui.filter_mut() {
-                    filter.pop();
+                    match pop_mode {
+                        PopMode::Character => filter.pop(),
+                        PopMode::Word => filter.pop_word(),
+                    }
                 }
                 (true, ui)
             }
@@ -493,7 +496,12 @@ pub enum UiEvent {
     EnterFilterMode,
     ClearFilter,
     Text(char),
-    Backspace,
+    PopText(PopMode),
+}
+
+pub enum PopMode {
+    Character,
+    Word,
 }
 
 #[derive(PartialEq)]