auto generating bar lines, still buggy tho :/

src/ui/app.py

@@ -7,6 +7,8 @@ from ui.widgets.project_settings import ProjectSettings
 
 
 class AppUI(App):    
+    CSS_PATH = "../assets/style.tcss"
+    
     def __init__(self, project):
         super().__init__()
         self.zoom_level = 0.05

src/ui/widgets/chunk_types/audio.py

@@ -25,11 +25,11 @@ class AudioChunk(Chunk):
     }
     """
 
-    def __init__(self, file_path: str, chunk_name: str = "Sample"):
+    def __init__(self, audio_data: np.ndarray, sample_rate: int, chunk_name: str = "Sample"):
         super().__init__(chunk_name)
         
-        self.file_path = file_path
-        self.audio, self.sample_rate = librosa.load(self.file_path, sr=None, mono=False)
+        self.audio = audio_data
+        self.sample_rate = sample_rate
         
         self.num_channels = None
         if len(self.audio.shape) == 1:
@@ -42,7 +42,7 @@ class AudioChunk(Chunk):
         self.meter = pyln.Meter(self.sample_rate)
         self.loudness_values = []
         
-        self.styles.width = (self.num_samples / self.sample_rate) / self.app.zoom_level
+        self.styles.width = int((self.num_samples / self.sample_rate) / self.app.zoom_level)
     
     def on_mount(self):
         for plot in self.query(PlotWidget):

src/ui/widgets/play_head.py

@@ -0,0 +1,14 @@
+from textual.widgets import Rule
+
+
+class PlayHead(Rule):
+    DEFAULT_CSS = """
+    PlayHead.-vertical {
+        layer: top;
+        margin: 0;
+        color: $accent;
+    }
+    """
+    
+    def __init__(self):
+        super().__init__(orientation="vertical")

src/ui/widgets/sidebar.py

@@ -23,6 +23,12 @@ class Sidebar(Vertical):
     
     def compose(self) -> ComposeResult:
         with VerticalScroll(id="channels"):
-            yield Channel()
-            yield Channel()
+            for channel in self.app.project.channels:
+                yield Channel(
+                    channel.name,
+                    channel.mute,
+                    channel.solo,
+                    channel.pan,
+                    channel.volume
+                )
             yield Button("+ New Channel", variant="success", id="add-channel")

src/ui/widgets/timeline.py

@@ -1,29 +1,84 @@
-from textual.containers import Vertical,  VerticalScroll, Horizontal, VerticalGroup
-from textual.widgets import Sparkline
+from textual.containers import Vertical, VerticalScroll, Horizontal, VerticalGroup, HorizontalGroup
+from textual.widgets import Rule
 from textual.app import ComposeResult
 
-from ui.widgets.chunk_types.audio import AudioChunk
+from ui.widgets.chunk_types.audio import AudioChunk, Chunk
+from ui.widgets.play_head import PlayHead
+from project import ChunkType
 
 
 class TimelineRow(Horizontal):
     DEFAULT_CSS = """
     TimelineRow {
         background: $surface-lighten-1;
-        height: 8;
+        max-height: 8;
         margin-bottom: 1;
     }
     """
 
-class Timeline(VerticalScroll):
+class Timeline(Vertical):
     DEFAULT_CSS = """
     Timeline {
-        padding: 1 0;
-        hatch: "-" $surface-lighten-1;
+        
+        #rows {
+            hatch: "-" $surface-lighten-1;
+            padding: 1 0;
+            
+            .beat-line {
+                color: $surface-lighten-1;
+                
+            }
+            
+            .bar-line {
+                color: $surface-lighten-2;
+                
+            }
+            
+            .beat-line, .bar-line {
+                dock: left;
+                margin: 0;
+            }
+            
+            
+        }
+        
+        PlayHead {
+            layer: top;
+        }
     }
     """
     
+    def __init__(self):
+        super().__init__()
+        
+        self.bar_offset = self.app.project.bpm / 8 * (0.0333 / self.app.zoom_level)
+    
     def compose(self) -> ComposeResult:
-        with TimelineRow():
-            yield AudioChunk("cool sample.mp3")
-        with TimelineRow():
-            yield AudioChunk("cool sample 2.mp3")
+        
+        
+        with VerticalScroll(id="rows"):
+            
+            for i in range(1, 17):
+                bar = None
+                if (i) % 4 == 0:
+                    bar = Rule.vertical(classes="bar-line", line_style="double")
+                else:
+                    bar = Rule.vertical(classes="beat-line")
+                    
+                bar.offset = (self.bar_offset * i, 0)
+                    
+                yield bar
+            
+            for channel in self.app.project.channels:
+                
+                
+                with TimelineRow():
+                    for chunk in channel.chunks:
+                        if chunk.chunk_type == ChunkType.CHUNK:
+                            yield Chunk(chunk_name=chunk.name)
+                        elif chunk.chunk_type == ChunkType.AUDIO:
+                            yield AudioChunk(chunk.audio_data, chunk.sample_rate, chunk.name)
+             
+            
+             
+        #yield PlayHead()