From 2f96897d3926502b43812ed0e16c5a3ed1dd846c Mon Sep 17 00:00:00 2001
From: unspeaker <hora.nqma@protonmail.com>
Date: Tue, 2 Jul 2024 16:30:16 +0300
Subject: [PATCH] sequencer zoom; still slooo

---
 src/device/chain/mod.rs            |  43 ++++++------
 src/device/chain/plugin.rs         |   7 +-
 src/device/launcher/mod.rs         |   4 +-
 src/device/sequencer/handle.rs     |  16 +++--
 src/device/sequencer/horizontal.rs | 106 ++++++++++++++++++-----------
 src/device/sequencer/keys.rs       |   2 +-
 src/device/sequencer/mod.rs        |   2 +-
 src/device/transport.rs            |   2 +-
 src/main.rs                        |   2 +-
 9 files changed, 111 insertions(+), 73 deletions(-)

diff --git a/src/device/chain/mod.rs b/src/device/chain/mod.rs
index 337fadf6..d4f2c9eb 100644
--- a/src/device/chain/mod.rs
+++ b/src/device/chain/mod.rs
@@ -121,22 +121,21 @@ pub fn draw_as_row (
     state: &Chain, buf: &mut Buffer, area: Rect, _: Option<Style>
 ) -> Usually<(Rect, Vec<Rect>)> {
     let Rect { mut x, y, width, height } = area;
-    x = x + 1;
     let mut h = 0u16;
     let mut frames = vec![];
     for (i, device) in state.items.iter().enumerate() {
         let mut x2 = 1u16;
         let mut y2 = 1u16;
-        for port in device.midi_ins()?.iter() {
-            port.blit(buf, x, y + y2, Some(Style::default()));
-            x2 = x2.max(port.len() as u16);
-            y2 = y2 + 1;
-        }
-        for port in device.audio_ins()?.iter() {
-            port.blit(buf, x, y + y2, Some(Style::default()));
-            x2 = x2.max(port.len() as u16);
-            y2 = y2 + 1;
-        }
+        //for port in device.midi_ins()?.iter() {
+            //port.blit(buf, x, y + y2, Some(Style::default()));
+            //x2 = x2.max(port.len() as u16);
+            //y2 = y2 + 1;
+        //}
+        //for port in device.audio_ins()?.iter() {
+            //port.blit(buf, x, y + y2, Some(Style::default()));
+            //x2 = x2.max(port.len() as u16);
+            //y2 = y2 + 1;
+        //}
         let width = width.saturating_sub(x).saturating_sub(x2);
         let style = Some(if i == state.focus {
             if state.focused {
@@ -150,17 +149,17 @@ pub fn draw_as_row (
         lozenge_left(buf, x + x2, y, height, style);
         let frame = device.render(buf, Rect { x: x + x2, y, width, height })?;
         lozenge_right(buf, x + x2 + frame.width - 1, y, height, style);
-        let mut y2 = 1u16;
-        for port in device.midi_outs()?.iter() {
-            port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
-            x2 = x2.max(port.len() as u16);
-            y2 = y2 + 1;
-        }
-        for port in device.audio_outs()?.iter() {
-            port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
-            x2 = x2.max(port.len() as u16);
-            y2 = y2 + 1;
-        }
+        //let mut y2 = 1u16;
+        //for port in device.midi_outs()?.iter() {
+            //port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
+            //x2 = x2.max(port.len() as u16);
+            //y2 = y2 + 1;
+        //}
+        //for port in device.audio_outs()?.iter() {
+            //port.blit(buf, x + x2 + frame.width, y + y2, Some(Style::default()));
+            //x2 = x2.max(port.len() as u16);
+            //y2 = y2 + 1;
+        //}
         frames.push(frame);
         h = h.max(frame.height);
         x = x + frame.width;
diff --git a/src/device/chain/plugin.rs b/src/device/chain/plugin.rs
index 3bf27523..4150a833 100644
--- a/src/device/chain/plugin.rs
+++ b/src/device/chain/plugin.rs
@@ -172,7 +172,7 @@ pub fn render (state: &Plugin, buf: &mut Buffer, area: Rect)
     -> Usually<Rect>
 {
     let Rect { x, y, height, .. } = area;
-    let mut width = 40u16;
+    let mut width = 20u16;
     match &state.plugin {
         Some(PluginKind::LV2(LV2Plugin { port_list, instance, .. })) => {
             let start = state.selected.saturating_sub((height as usize / 2).saturating_sub(1));
@@ -185,8 +185,9 @@ pub fn render (state: &Plugin, buf: &mut Buffer, area: Rect)
                     } else {
                         port.default_value
                     };
-                    let label = &format!("C·· M·· {:25} = {value:.03}", port.name);
-                    width = width.max(label.len() as u16);
+                    //let label = &format!("C·· M·· {:25} = {value:.03}", port.name);
+                    let label = &format!("{:25} = {value:.03}", port.name);
+                    width = width.max(label.len() as u16 + 4);
                     label.blit(buf, x + 2, y + 1 + i as u16 - start as u16, if i == state.selected {
                         Some(Style::default().green())
                     } else {
diff --git a/src/device/launcher/mod.rs b/src/device/launcher/mod.rs
index 688a7d5d..6619ad08 100644
--- a/src/device/launcher/mod.rs
+++ b/src/device/launcher/mod.rs
@@ -199,8 +199,8 @@ pub fn render (state: &Launcher, buf: &mut Buffer, mut area: Rect) -> Usually<Re
     area.height = y;
     if state.show_help {
         let style = Some(Style::default().bold().white().not_dim().on_black().italic());
-        let hide = "[Left Right] Track  [Up Down] Scene  [, .] Value  [F1] Toggle help ";
-        hide.blit(buf, width - hide.len() as u16, height - 1, style);
+        let hide = "[Tab] Mode  [Arrows] Move  [.,] Value  [F1] Toggle help ";
+        hide.blit(buf, x + (width - hide.len() as u16) / 2, height - 1, style);
     }
     Ok(area)
 }
diff --git a/src/device/sequencer/handle.rs b/src/device/sequencer/handle.rs
index b4b1a5fe..ea8fe332 100644
--- a/src/device/sequencer/handle.rs
+++ b/src/device/sequencer/handle.rs
@@ -8,11 +8,11 @@ pub const KEYMAP: &'static [KeyBinding<Sequencer>] = keymap!(Sequencer {
     [Down,      NONE,  "cursor_down",     "move cursor down",         cursor_down],
     [Left,      NONE,  "cursor_left",     "move cursor left",         cursor_left],
     [Right,     NONE,  "cursor_right",    "move cursor right",        cursor_right],
-    [Char(']'), NONE,  "cursor_inc",      "increase note duration",   cursor_duration_inc],
-    [Char('['), NONE,  "cursor_dec",      "decrease note duration",   cursor_duration_dec],
+    [Char('.'), NONE,  "cursor_inc",      "increase note duration",   cursor_duration_inc],
+    [Char(','), NONE,  "cursor_dec",      "decrease note duration",   cursor_duration_dec],
     [Char('`'), NONE,  "mode_next",       "Next view mode",           mode_next],
-    [Char('+'), NONE,  "zoom_in",         "Zoom in",                  nop],
-    [Char('-'), NONE,  "zoom_out",        "Zoom out",                 nop],
+    [Char('='), NONE,  "zoom_in",         "Zoom in",                  zoom_in],
+    [Char('-'), NONE,  "zoom_out",        "Zoom out",                 zoom_out],
     [Char('a'), NONE,  "note_add",        "Add note",                 note_add],
     [Char('z'), NONE,  "note_del",        "Delete note",              note_del],
     [CapsLock,  NONE,  "advance",         "Toggle auto advance",      nop],
@@ -188,3 +188,11 @@ fn quantize_prev (s: &mut Sequencer) -> Usually<bool> {
     Ok(true)
 }
 
+fn zoom_in (s: &mut Sequencer) -> Usually<bool> {
+    s.time_zoom = s.time_zoom / 2;
+    Ok(true)
+}
+fn zoom_out (s: &mut Sequencer) -> Usually<bool> {
+    s.time_zoom = s.time_zoom * 2;
+    Ok(true)
+}
diff --git a/src/device/sequencer/horizontal.rs b/src/device/sequencer/horizontal.rs
index cb714b3d..826f267b 100644
--- a/src/device/sequencer/horizontal.rs
+++ b/src/device/sequencer/horizontal.rs
@@ -8,21 +8,40 @@ pub fn draw (
     ppq:      usize,
     time:     usize,
     time0:    usize,
-    timeZ:    usize,
+    time_z:   usize,
     note:     usize,
     note0:    usize,
     style:    Option<Style>,
 ) -> Usually<Rect> {
     let now   = 0;
     let notes = &[];
+    match time_z {
+         1 => "1/384",
+         2 => "1/192",
+         3 => "1/128",
+         4 => "1/96",
+         6 => "1/64",
+         8 => "1/48",
+        12 => "1/32",
+        16 => "1/24",
+        24 => "1/16",
+        32 => "1/12",
+        48 => "1/8",
+        64 => "1/6",
+        96 => "1/4",
+       128 => "1/3",
+       192 => "1/2",
+       384 => "1/1",
+       _ => ""
+    }.blit(buf, area.x, area.y, Some(Style::default().dim()));
     keys(buf, area, note0, notes)?;
     timer(buf, area, time0, now);
     if let Some(phrase) = phrase {
-        lanes(buf, area, phrase, ppq, timeZ, time0, note0);
+        lanes(buf, area, phrase, ppq, time_z, time0, note0);
     }
     let style = style.unwrap_or_else(||{Style::default().green().not_dim()});
     cursor(buf, area, style, time, note);
-    //footer(buf, area, note0, note, time0, time, timeZ);
+    //footer(buf, area, note0, note, time0, time, time_z);
     Ok(area)
 }
 
@@ -51,58 +70,69 @@ pub fn keys (
     let bw = Style::default().dim();
     let Rect { x, y, width, height } = area;
     let h = height.saturating_sub(2);
-    for i in 0..h {
-        let y = y + i + 1;
-        let key = KEYS_VERTICAL[(i % 6) as usize];
+    for index in 0..h {
+        let y = y + h - index;
+        let key = KEYS_VERTICAL[(index % 6) as usize];
         key.blit(buf, x + 1, y, Some(bw));
         "█".blit(buf, x + 2, y, Some(bw));
         "|---".repeat(width.saturating_sub(6) as usize).blit(buf, x + 5, y, Some(bw.black()));
-        //buf.set_string(x + 3, y, &format!("{i}"), Style::default());
-        if i % 6 == 0 {
-            let octave = format!("C{}", ((note0 - i as usize) / 6) as i8 - 4);
-            buf.set_string(x + 3, y, &octave, Style::default());
+        let note_a = note0 + (index * 2) as usize;
+        if note_a % 12 == 0 {
+            let octave = format!("C{}", (note_a / 12) as i8 - 2);
+            octave.blit(buf, x + 3, y, None);
+            continue
+        }
+        let note_b = note0 + (index * 2) as usize;
+        if note_b % 12 == 0 {
+            let octave = format!("C{}", (note_b / 12) as i8 - 2);
+            octave.blit(buf, x + 3, y, None);
+            continue
         }
     }
     Ok(area)
 }
 
 pub fn lanes (
-    buf:       &mut Buffer,
-    area:      Rect,
-    phrase:    &Phrase,
-    ppq:       usize,
-    time_zoom: usize,
-    time0:     usize,
-    note0:     usize,
+    buf:    &mut Buffer,
+    area:   Rect,
+    phrase: &Phrase,
+    ppq:    usize,
+    time_z: usize,
+    time0:  usize,
+    note0:  usize,
 ) {
     let Rect { x, y, width, height } = area;
+    let time0    = time0 / time_z;
     let time1    = time0 + width  as usize;
     let note1    = note0 + height as usize;
     let bg       = Style::default();
     let (bw, wh) = (bg.dim(), bg.white());
-    for step in time0..time1 {
-        let x = x as usize + 5 + step;
-        let (a, b) = ((step + 0) * ppq / time_zoom, (step + 1) * ppq / time_zoom,);
-        if step % 4 == 0 {
+    let offset   = 5;
+    for x in x+offset..x+width-offset {
+        let step = (x-offset) as usize * time_z;
+        if step % ppq == 0 {
             "|".blit(buf, x as u16, y, Some(Style::default().dim()));
         }
-        if step % (time_zoom * 4) == 0 {
-            format!("{}", step / time_zoom / 4 + 1)
+        let bar = 4 * ppq;
+        if step % bar == 0 {
+            format!("{}", (step/bar)+1)
                 .blit(buf, x as u16, y, Some(Style::default().bold().not_dim()));
         }
-        let h = ((note1-note0)/2).saturating_sub(y as usize);
-        for k in 0..h {
+        let (a, b) = (step, step + time_z);
+        for index in 0..height-2 {
+            let note_a = note0 + index as usize * 2;
+            let note_b = note0 + index as usize * 2 + 1;
             let (character, style) = match (
-                contains_note_on(phrase, u7::from_int_lossy((note0 + k * 2 + 0) as u8), a, b),
-                contains_note_on(phrase, u7::from_int_lossy((note0 + k * 2 + 1) as u8), a, b),
+                contains_note_on(phrase, u7::from_int_lossy(note_a as u8), a, b),
+                contains_note_on(phrase, u7::from_int_lossy(note_b as u8), a, b),
             ) {
               (true, true)   => ("█", wh),
-              (true, false)  => ("▀", wh),
               (false, true)  => ("▄", wh),
+              (true, false)  => ("▀", wh),
               (false, false) => ("·", bw),
             };
-            let y = y as usize + k;
-            character.blit(buf, x as u16, y as u16, Some(style));
+            let y = y + height.saturating_sub(index+2) as u16;
+            character.blit(buf, x, y, Some(style));
         }
     }
 }
@@ -121,13 +151,13 @@ pub fn cursor (
 }
 
 pub fn footer (
-    buf:   &mut Buffer,
-    area:  Rect,
-    note0: usize,
-    note:  usize,
-    time0: usize,
-    time:  usize,
-    timeZ: usize,
+    buf:    &mut Buffer,
+    area:   Rect,
+    note0:  usize,
+    note:   usize,
+    time0:  usize,
+    time:   usize,
+    time_z: usize,
 ) {
     let Rect { mut x, y, width, height } = area;
     buf.set_string(x, y + height, format!("├{}┤", "-".repeat((width - 2).into())),
@@ -138,7 +168,7 @@ pub fn footer (
     {
         for (_, [letter, title, value]) in [
             ["S", &format!("ync"),  &format!("<4/4>")],
-            ["Q", &format!("uant"), &format!("<1/{}>", 4 * timeZ)],
+            ["Q", &format!("uant"), &format!("<1/{}>", 4 * time_z)],
             ["N", &format!("ote"),  &format!("{} ({}-{})", note0 + note, note0, "X")],
             ["T", &format!("ime"),  &format!("{} ({}-{})", time0 + time, time0 + 1, "X")],
         ].iter().enumerate() {
diff --git a/src/device/sequencer/keys.rs b/src/device/sequencer/keys.rs
index 7389abfb..80a4c730 100644
--- a/src/device/sequencer/keys.rs
+++ b/src/device/sequencer/keys.rs
@@ -22,5 +22,5 @@ pub const KEY_STYLE: [Style;12] = [
 ];
 
 pub const KEYS_VERTICAL: [&'static str; 6] = [
-    "▀", "▀", "▀", "█", "▄", "▄",
+    "▄", "▄", "█", "▀", "▀", "▀",
 ];
diff --git a/src/device/sequencer/mod.rs b/src/device/sequencer/mod.rs
index 8ed8caac..4d1ebd88 100644
--- a/src/device/sequencer/mod.rs
+++ b/src/device/sequencer/mod.rs
@@ -77,7 +77,7 @@ impl Sequencer {
 
             view:        SequencerView::Horizontal,
             notes_on:    vec![false;128],
-            note_start:  36,
+            note_start:  12,
             note_cursor: 0,
             time_zoom:   24,
             time_start:  0,
diff --git a/src/device/transport.rs b/src/device/transport.rs
index df54cc8b..a00f402c 100644
--- a/src/device/transport.rs
+++ b/src/device/transport.rs
@@ -55,7 +55,7 @@ pub fn draw_bpm (buf: &mut Buffer, x: u16, y: u16, bpm: usize) {
     let style = Style::default().not_dim();
     "BPM"
         .blit(buf, x, y, Some(style));
-    format!("{:03}.{:03}", bpm / 1000, bpm % 1000)
+    format!("{}.{:03}", bpm as usize, bpm % 1)
         .blit(buf, x + 4, y, Some(style.bold()));
     "SYNC"
         .blit(buf, x + 13, y, Some(style));
diff --git a/src/main.rs b/src/main.rs
index fe15d3ba..3e848c2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,7 +43,7 @@ fn main () -> Result<(), Box<dyn Error>> {
     let input  = ".*nanoKEY.*";
     let output = ["Komplete.*:playback_FL", "Komplete.*:playback_FR"];
     let (client, _) = Client::new("init", ClientOptions::NO_START_SERVER)?;
-    let timebase = Arc::new(Timebase::new(client.sample_rate() as f64, 60.0, 96.0));
+    let timebase = Arc::new(Timebase::new(client.sample_rate() as f64, 125.0, 96.0));
     let ppq = timebase.ppq() as usize;
     macro_rules! play {
         ($t1:expr => [ $($msg:expr),* $(,)? ]) => {