feat: Add scrollbar customizations

src/app.rs

@@ -1182,6 +1182,8 @@ impl TaskwarriorTui {
             let mut widget = Scrollbar::new(pos, tasks.iter().len());
             widget.pos_style = self.config.uda_style_report_scrollbar;
             widget.pos_symbol = self.config.uda_scrollbar_indicator.clone();
+            widget.area_style = self.config.uda_style_report_scrollbar_area;
+            widget.area_symbol = self.config.uda_scrollbar_area.clone();
             f.render_widget(widget, rect);
         }
     }

src/config.rs

@@ -6,6 +6,7 @@ use std::str;
 use tui::{
     style::{Color, Modifier, Style},
     symbols::bar::FULL,
+    symbols::line::DOUBLE_VERTICAL,
 };
 
 trait TaskWarriorBool {
@@ -62,7 +63,9 @@ pub struct Config {
     pub uda_mark_indicator: String,
     pub uda_unmark_indicator: String,
     pub uda_scrollbar_indicator: String,
+    pub uda_scrollbar_area: String,
     pub uda_style_report_scrollbar: Style,
+    pub uda_style_report_scrollbar_area: Style,
     pub uda_selection_bold: bool,
     pub uda_selection_italic: bool,
     pub uda_selection_dim: bool,
@@ -119,6 +122,7 @@ impl Config {
         let uda_mark_indicator = Self::get_uda_mark_indicator(data);
         let uda_unmark_indicator = Self::get_uda_unmark_indicator(data);
         let uda_scrollbar_indicator = Self::get_uda_scrollbar_indicator(data);
+        let uda_scrollbar_area = Self::get_uda_scrollbar_area(data);
         let uda_selection_bold = Self::get_uda_selection_bold(data);
         let uda_selection_italic = Self::get_uda_selection_italic(data);
         let uda_selection_dim = Self::get_uda_selection_dim(data);
@@ -127,6 +131,7 @@ impl Config {
         let uda_calendar_months_per_row = Self::get_uda_months_per_row(data);
         let uda_style_report_selection = Self::get_uda_style("report.selection", data);
         let uda_style_report_scrollbar = Self::get_uda_style("report.scrollbar", data);
+        let uda_style_report_scrollbar_area = Self::get_uda_style("report.scrollbar.area", data);
         let uda_style_calendar_title = Self::get_uda_style("calendar.title", data);
         let uda_style_calendar_today = Self::get_uda_style("calendar.today", data);
         let uda_style_context_active = Self::get_uda_style("context.active", data);
@@ -138,6 +143,7 @@ impl Config {
         let uda_style_report_selection = uda_style_report_selection.unwrap_or_default();
         let uda_style_report_scrollbar =
             uda_style_report_scrollbar.unwrap_or_else(|| Style::default().fg(Color::Black));
+        let uda_style_report_scrollbar_area = uda_style_report_scrollbar_area.unwrap_or_default();
         let uda_style_calendar_title = uda_style_calendar_title.unwrap_or_default();
         let uda_style_calendar_today =
             uda_style_calendar_today.unwrap_or_else(|| Style::default().add_modifier(Modifier::BOLD));
@@ -177,6 +183,7 @@ impl Config {
             uda_mark_indicator,
             uda_unmark_indicator,
             uda_scrollbar_indicator,
+            uda_scrollbar_area,
             uda_selection_bold,
             uda_selection_italic,
             uda_selection_dim,
@@ -190,6 +197,7 @@ impl Config {
             uda_style_report_completion_pane,
             uda_style_report_completion_pane_highlight,
             uda_style_report_scrollbar,
+            uda_style_report_scrollbar_area,
             uda_shortcuts,
             uda_background_process,
             uda_background_process_period,
@@ -609,6 +617,20 @@ impl Config {
             ),
         }
     }
+
+    fn get_uda_scrollbar_area(data: &str) -> String {
+        let area = Self::get_config("uda.taskwarrior-tui.scrollbar.area", data);
+        match area {
+            None => DOUBLE_VERTICAL.to_string(),
+            Some(area) => format!(
+                "{}",
+                area.chars()
+                    .next()
+                    .unwrap_or_else(|| DOUBLE_VERTICAL.to_string().chars().next().unwrap())
+            ),
+        }
+    }
+
     fn get_uda_mark_highlight_indicator(data: &str) -> String {
         let indicator = Self::get_config("uda.taskwarrior-tui.mark-selection.indicator", data);
         match indicator {

src/scrollbar.rs

@@ -13,6 +13,8 @@ pub struct Scrollbar {
     pub len: u16,
     pub pos_style: Style,
     pub pos_symbol: String,
+    pub area_style: Style,
+    pub area_symbol: String,
 }
 
 impl Scrollbar {
@@ -22,6 +24,8 @@ impl Scrollbar {
             len: len as u16,
             pos_style: Style::default(),
             pos_symbol: FULL.to_string(),
+            area_style: Style::default(),
+            area_symbol: DOUBLE_VERTICAL.to_string(),
         }
     }
 }
@@ -45,7 +49,7 @@ impl Widget for Scrollbar {
         let (top, height) = { (area.top() + 3, area.height.saturating_sub(4)) };
 
         for y in top..(top + height) {
-            buf.set_string(right, y, DOUBLE_VERTICAL, Style::default());
+            buf.set_string(right, y, self.area_symbol.clone(), self.area_style);
         }
 
         let progress = self.pos as f64 / self.len as f64;