From 117f4d536388fc898651a1042a79a54e1de1675c Mon Sep 17 00:00:00 2001
From: unspeaker <hora.nqma@protonmail.com>
Date: Tue, 9 Jul 2024 19:58:13 +0300
Subject: [PATCH] border style macro

---
 src/main.rs        |  26 +++---
 src/view.rs        |   3 +-
 src/view/border.rs | 227 +++++++++++++++++++++------------------------
 src/view/chain.rs  |   6 +-
 4 files changed, 123 insertions(+), 139 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index aebe8cc9..9810e988 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,21 +9,21 @@ extern crate clap;
 extern crate jack as _jack;
 extern crate crossterm;
 
-pub mod cli;
-pub mod config;
-pub mod control;
-pub mod core;
-pub mod model;
-pub mod view;
-pub mod jack;
-pub mod edn;
+mod cli;
+mod config;
+mod control;
+mod core;
+mod model;
+mod view;
+mod jack;
+mod edn;
 
 use crate::{core::*, model::*};
 
 /// Application entrypoint.
-pub fn main () -> Usually<()> {
-    let midi_from  = ["nanoKEY Studio.*capture.*"];
-    let audio_into = ["Komplete.+:playback_FL", "Komplete.+:playback_FR"];
+fn main () -> Usually<()> {
+    let controller  = ["nanoKEY Studio.*capture.*"];
+    let soundsystem = ["Komplete.+:playback_FL", "Komplete.+:playback_FR"];
     // Start main loop
     App::new()?.run(Some(|app: Arc<RwLock<App>>|{
         let mut state = app.write().unwrap();
@@ -32,7 +32,7 @@ pub fn main () -> Usually<()> {
         let client      = jack.as_client();
         state.transport = Some(client.transport());
         state.midi_in   = Some(client.register_port("midi-in", MidiIn)?);
-        let _ = midi_from
+        controller
             .iter()
             .map(|name|client
                 .ports(Some(name), None, PortFlags::empty())
@@ -45,7 +45,7 @@ pub fn main () -> Usually<()> {
                 })
                 .collect::<Usually<()>>())
             .collect::<Usually<()>>()?;
-        state.audio_outs = audio_into
+        state.audio_outs = soundsystem
             .iter()
             .map(|name|client
                 .ports(Some(name), None, PortFlags::empty())
diff --git a/src/view.rs b/src/view.rs
index 128d3681..26fe2cd4 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -17,12 +17,11 @@ pub use self::sequencer::SequencerView;
 use crate::{render, App, core::*};
 
 render!(App |self, buf, area| {
-    let track = self.track_cursor;
     Split::down([
         &TransportView::new(self),
         &Split::down([
             &ArrangerView::new(&self, !self.arranger_mode),
-            &If(track > 0, &Split::right([
+            &If(self.track_cursor > 0, &Split::right([
                 &ChainView::vertical(&self),
                 &SequencerView::new(&self),
             ]))
diff --git a/src/view/border.rs b/src/view/border.rs
index 25c1a973..a352e3ab 100644
--- a/src/view/border.rs
+++ b/src/view/border.rs
@@ -10,154 +10,139 @@ pub trait BorderStyle {
     const SW: &'static str = "";
     const W:  &'static str = "";
 
+    #[inline]
     fn draw (&self, buf: &mut Buffer, area: Rect) {
-        self.draw_horizontal(buf, area);
-        self.draw_vertical(buf, area);
-        self.draw_corners(buf, area);
+        self.draw_horizontal(buf, area, None);
+        self.draw_vertical(buf, area, None);
+        self.draw_corners(buf, area, None);
     }
 
-    fn draw_horizontal (&self, buf: &mut Buffer, area: Rect) {
-        let style = self.style();
+    #[inline]
+    fn draw_horizontal (&self, buf: &mut Buffer, area: Rect, style: Option<Style>) {
+        let style = style.or_else(||self.style_horizontal());
         for x in area.x..(area.x+area.width).saturating_sub(1) {
-            Self::N.blit(buf, x, area.y, style);
-            Self::S.blit(buf, x, area.y + area.height - 1, style);
+            self.draw_north(buf, x, area.y, style);
+            self.draw_south(buf, x, (area.y + area.height).saturating_sub(1), style);
         }
     }
+    #[inline]
+    fn draw_north (&self, buf: &mut Buffer, x: u16, y: u16, style: Option<Style>) {
+        Self::N.blit(buf, x, y, style);
+    }
+    #[inline]
+    fn draw_south (&self, buf: &mut Buffer, x: u16, y: u16, style: Option<Style>) {
+        Self::S.blit(buf, x, y, style);
+    }
 
-    fn draw_vertical (&self, buf: &mut Buffer, area: Rect) {
-        let style = self.style();
+    #[inline]
+    fn draw_vertical (&self, buf: &mut Buffer, area: Rect, style: Option<Style>) {
+        let style = style.or_else(||self.style_vertical());
         for y in area.y..(area.y+area.height).saturating_sub(1) {
             Self::W.blit(buf, area.x, y, style);
             Self::E.blit(buf, area.x + area.width - 1, y, style);
         }
     }
 
-    fn draw_corners (&self, buf: &mut Buffer, area: Rect) {
-        let style = self.style();
+    #[inline]
+    fn draw_corners (&self, buf: &mut Buffer, area: Rect, style: Option<Style>) {
+        let style = style.or_else(||self.style_corners());
         Self::NW.blit(buf, area.x, area.y, style);
         Self::NE.blit(buf, area.x + area.width - 1, area.y, style);
         Self::SW.blit(buf, area.x, area.y + area.height - 1, style);
         Self::SE.blit(buf, area.x + area.width - 1, area.y + area.height - 1, style);
     }
 
+    #[inline]
     fn style (&self) -> Option<Style> {
         None
     }
+    #[inline]
+    fn style_horizontal (&self) -> Option<Style> {
+        self.style()
+    }
+    #[inline]
+    fn style_vertical (&self) -> Option<Style> {
+        self.style()
+    }
+    #[inline]
+    fn style_corners (&self) -> Option<Style> {
+        self.style()
+    }
+}
+
+macro_rules! border {
+    ($($T:ty {
+        $nw:literal $n:literal $ne:literal $w:literal $e:literal $sw:literal $s:literal $se:literal
+        $($x:tt)*
+    }),+) => {
+        $(impl BorderStyle for $T {
+            const NW: &'static str = $nw;
+            const N:  &'static str = $n;
+            const NE: &'static str = $ne;
+            const W:  &'static str = $w;
+            const E:  &'static str = $e;
+            const SW: &'static str = $sw;
+            const S:  &'static str = $s;
+            const SE: &'static str = $se;
+            $($x)*
+        })+
+    }
 }
 
 pub struct Lozenge(pub Style);
-
-impl BorderStyle for Lozenge {
-    const N:  &'static str = "─";
-    const S:  &'static str = "─";
-    const NW: &'static str = "╭";
-    const W:  &'static str = "│";
-    const SW: &'static str = "╰";
-    const NE: &'static str = "╮";
-    const E:  &'static str = "│";
-    const SE: &'static str = "╯";
-
-    fn style (&self) -> Option<Style> {
-        Some(self.0)
-    }
-}
-
+pub struct LozengeV(pub Style);
+pub struct LozengeDotted(pub Style);
 pub struct Quarter(pub Style);
-
-impl BorderStyle for Quarter {
-    const N:  &'static str = "▔";
-    const S:  &'static str = "▁";
-    const NW: &'static str = "▎";
-    const W:  &'static str = "▎";
-    const SW: &'static str = "▎";
-    const NE: &'static str = "🮇";
-    const E:  &'static str = "🮇";
-    const SE: &'static str = "🮇";
-
-    fn style (&self) -> Option<Style> {
-        Some(self.0)
-    }
-}
-
 pub struct QuarterV(pub Style);
+pub struct Chamfer(pub Style);
 
-impl BorderStyle for QuarterV {
-    const NW: &'static str = "▎";
-    const W:  &'static str = "▎";
-    const SW: &'static str = "▎";
-    const NE: &'static str = "🮇";
-    const E:  &'static str = "🮇";
-    const SE: &'static str = "🮇";
-
-    fn style (&self) -> Option<Style> {
-        Some(self.0)
+border! {
+    Lozenge {
+        "╭" "─" "╮"
+        "│"     "│"
+        "╰" "─" "╯"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
+    },
+    LozengeV {
+        "╭" "" "╮"
+        "│"    "│"
+        "╰" "" "╯"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
+    },
+    LozengeDotted {
+        "╭" "┅" "╮"
+        "┇"     "┇"
+        "╰" "┅" "╯"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
+    },
+    Quarter {
+        "▎" "▔" "🮇"
+        "▎"     "🮇"
+        "▎" "▁" "🮇"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
+    },
+    QuarterV {
+        "▎" "" "🮇"
+        "▎"    "🮇"
+        "▎" "" "🮇"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
+    },
+    Chamfer {
+        "🭂" "▔" "🭍"
+        "▎"     "🮇"
+        "🭓" "▁" "🭞"
+        fn style (&self) -> Option<Style> {
+            Some(self.0)
+        }
     }
 }
-
-const LOZENGE: [[&'static str;3];3] = [
-    ["╭", "─", "╮"],
-    ["│", " ", "│"],
-    ["╰", "─", "╯"],
-];
-
-pub fn lozenge_left (buf: &mut Buffer, x: u16, y1: u16, h: u16, style: Option<Style>) {
-    let y2 = y1 + h;
-    let y3 = y2.saturating_sub(1);
-    for y in y1..y2 {
-        if y == y1 {
-            LOZENGE[0][0]
-        } else if y == y3 {
-            LOZENGE[2][0]
-        } else {
-            LOZENGE[1][0]
-        }.blit(buf, x, y, style)
-    }
-}
-
-pub fn lozenge_right (buf: &mut Buffer, x: u16, y1: u16, h: u16, style: Option<Style>) {
-    let y2 = y1 + h;
-    let y3 = y2.saturating_sub(1);
-    for y in y1..y2 {
-        if y == y1 {
-            LOZENGE[0][2]
-        } else if y == y3 {
-            LOZENGE[2][2]
-        } else {
-            LOZENGE[1][2]
-        }.blit(buf, x, y, style)
-    }
-}
-
-pub fn draw_box (buffer: &mut Buffer, area: Rect) -> Rect {
-    draw_box_styled(buffer, area, Some(Style::default().gray().dim()))
-}
-
-pub fn draw_box_styled (buffer: &mut Buffer, area: Rect, style: Option<Style>) -> Rect {
-    if area.width < 1 || area.height < 1 {
-        return area
-    }
-    format!("╭{}╮", "─".repeat((area.width - 2).into()))
-        .blit(buffer, area.x, area.y, style);
-    for y in (area.y + 1)..(area.y + area.height - 1) {
-        "│".blit(buffer, area.x, y, style);
-        "│".blit(buffer, area.x + area.width - 1, y, style);
-    }
-    format!("╰{}╯", "─".repeat((area.width - 2).into()))
-        .blit(buffer, area.x, area.y + area.height - 1, style);
-    area
-}
-
-pub fn draw_box_styled_dotted (buffer: &mut Buffer, area: Rect, style: Option<Style>) -> Rect {
-    if area.width < 1 || area.height < 1 {
-        return area
-    }
-    format!("╭{}╮", "┅".repeat((area.width - 2).into()))
-        .blit(buffer, area.x, area.y, style);
-    for y in (area.y + 1)..(area.y + area.height - 1) {
-        "┇".blit(buffer, area.x, y, style);
-        "┇".blit(buffer, area.x + area.width - 1, y, style);
-    }
-    format!("╰{}╯", "┅".repeat((area.width - 2).into()))
-        .blit(buffer, area.x, area.y + area.height - 1, style);
-    area
-}
diff --git a/src/view/chain.rs b/src/view/chain.rs
index 5298e384..6273f330 100644
--- a/src/view/chain.rs
+++ b/src/view/chain.rs
@@ -97,8 +97,7 @@ impl<'a> ChainView<'a> {
             } else {
                 style
             };
-            lozenge_left(buf, x + x2, y, frame.height, style);
-            lozenge_right(buf, x + x2 + frame.width - 1, y, frame.height, style);
+            LozengeV(style.unwrap_or(Style::default())).draw(buf, frame);
             //let mut y2 = 1u16;
             //for port in device.midi_outs()?.iter() {
                 //port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
@@ -165,7 +164,8 @@ impl<'a> ChainView<'a> {
             //}
         }
         if frames.len() > 0 {
-            draw_box_styled(buf, frames[track.device], selected);
+            Lozenge(selected.unwrap_or(Style::default()))
+                .draw(buf, frames[track.device]);
         }
         Ok((Rect { x, y: area.y, width: w, height: y - area.y }, frames))