fix chart size

src/sugar/console.py

@@ -0,0 +1,19 @@
+"""Functions about console."""
+import os
+
+
+def get_terminal_size():
+    """Return the height (number of lines) of the terminal using os module."""
+    size = os.get_terminal_size()
+    try:
+        height = size.lines
+    except OSError:
+        # Default to 24 lines if the terminal size cannot be determined.
+        height = 24
+
+    try:
+        width = size.columns
+    except OSError:
+        # Default to 24 lines if the terminal size cannot be determined.
+        height = 80
+    return width, height

src/sugar/plugins/stats.py

@@ -15,6 +15,7 @@
 from textual.widget import Widget
 from textual.widgets import Header
 
+from sugar.console import get_terminal_size
 from sugar.inspect import get_container_name, get_container_stats
 from sugar.logs import KxgrErrorType, KxgrLogs
 from sugar.plugins.base import SugarDockerCompose
@@ -54,11 +55,9 @@ def __init__(
     def create_chart(self):
         """Create a new chart."""
         self.fig_mem = plotille.Figure()
-        self.fig_mem.width = 50
-        self.fig_mem.height = 5
         self.fig_cpu = plotille.Figure()
-        self.fig_cpu.width = 50
-        self.fig_cpu.height = 5
+
+        self.resize_chart()
 
         self.chart_colors: tuple[Iterable, Iterable] = {
             'mem': tee(self.fig_mem._color_seq),
@@ -84,6 +83,18 @@ def create_chart(self):
                 label=name,
             )
 
+    def resize_chart(self):
+        """Resize chart."""
+        console_width, console_height = get_terminal_size()
+
+        chart_height = min((console_height - 20) // 2, 10)
+        chart_width = console_width - 30
+
+        self.fig_mem.width = chart_width
+        self.fig_mem.height = chart_height
+        self.fig_cpu.width = chart_width
+        self.fig_cpu.height = chart_height
+
     def reset_chart(self):
         """Reset chart state."""
         self.fig_mem._plots.clear()
@@ -92,6 +103,8 @@ def reset_chart(self):
         self.fig_mem._color_seq = tee(self.chart_colors['mem'][0])[1]
         self.fig_cpu._color_seq = tee(self.chart_colors['cpu'][0])[1]
 
+        self.resize_chart()
+
     def reset_data(self):
         """Generate a clean data."""
         current_time = datetime.datetime.now()