widgets: add info_graph widget

src/settings/setting/widgets/InfoGraphWidget.py

+from gi.repository import Adw, Gtk
+from .BaseWidget import BaseWidget
+
+
+class InfoGraphWidget(BaseWidget):
+    def __init__(self, setting):
+        super().__init__(setting)
+        self.history = []
+        self.max_points = setting.map.get('points', 60) if setting.map else 60
+        self.min_value = setting.map.get('min', 0) if setting.map else 0
+        self.max_value = setting.map.get('max', 100) if setting.map else 100
+        self.color = setting.map.get('color', '#3584e4') if setting.map else '#3584e4'
+        self.suffix = setting.map.get('suffix', '%') if setting.map else '%'
+
+    def create_row(self):
+        self.row = Adw.ActionRow(
+            title=self.setting.name,
+            subtitle=self.setting.help
+        )
+
+        box = Gtk.Box(
+            orientation=Gtk.Orientation.HORIZONTAL,
+            spacing=12,
+            valign=Gtk.Align.CENTER
+        )
+
+        self.value_label = Gtk.Label(
+            label="--",
+            width_chars=6,
+            xalign=1.0
+        )
+        self.value_label.add_css_class("title-4")
+
+        self.drawing_area = Gtk.DrawingArea()
+        self.drawing_area.set_size_request(120, 32)
+        self.drawing_area.set_draw_func(self._draw_graph)
+
+        box.append(self.value_label)
+        box.append(self.drawing_area)
+
+        self.row.add_suffix(box)
+
+        return self.row
+
+    def _parse_color(self, color_str):
+        if color_str.startswith('#'):
+            color_str = color_str[1:]
+        r = int(color_str[0:2], 16) / 255.0
+        g = int(color_str[2:4], 16) / 255.0
+        b = int(color_str[4:6], 16) / 255.0
+        return r, g, b
+
+    def _draw_graph(self, area, cr, width, height):
+        if not self.history:
+            return
+
+        r, g, b = self._parse_color(self.color)
+
+        cr.set_source_rgba(r, g, b, 0.1)
+        cr.rectangle(0, 0, width, height)
+        cr.fill()
+
+        cr.set_source_rgba(r, g, b, 0.3)
+        cr.set_line_width(1)
+        cr.rectangle(0.5, 0.5, width - 1, height - 1)
+        cr.stroke()
+
+        if len(self.history) < 2:
+            return
+
+        cr.set_source_rgba(r, g, b, 0.2)
+
+        value_range = self.max_value - self.min_value
+        if value_range == 0:
+            value_range = 1
+
+        points = []
+        step = width / (self.max_points - 1)
+        start_x = width - (len(self.history) - 1) * step
+
+        for i, value in enumerate(self.history):
+            x = start_x + i * step
+            normalized = (value - self.min_value) / value_range
+            y = height - (normalized * (height - 4)) - 2
+            points.append((x, y))
+
+        cr.move_to(points[0][0], height)
+        cr.line_to(points[0][0], points[0][1])
+        for x, y in points[1:]:
+            cr.line_to(x, y)
+        cr.line_to(points[-1][0], height)
+        cr.close_path()
+        cr.fill()
+
+        cr.set_source_rgb(r, g, b)
+        cr.set_line_width(1.5)
+        cr.move_to(points[0][0], points[0][1])
+        for x, y in points[1:]:
+            cr.line_to(x, y)
+        cr.stroke()
+
+    def update_display(self):
+        value = self.setting._current_value
+        if value is not None:
+            try:
+                value = float(value)
+                self.history.append(value)
+                if len(self.history) > self.max_points:
+                    self.history.pop(0)
+
+                self.value_label.set_label(f"{value:.1f}{self.suffix}")
+                self.drawing_area.queue_draw()
+            except (ValueError, TypeError):
+                pass

src/settings/setting/widgets/__init__.py

@@ -9,6 +9,7 @@ from .FileChooser import FileChooser
 from .ButtonWidget import ButtonWidget
 from .InfoLabelWidget import InfoLabelWidget
 from .InfoDictWidget import InfoDictWidget
+from .InfoGraphWidget import InfoGraphWidget
 from .DualListWidget import DualListWidget
 from .ImageChooserWidget import ImageChooserWidget
 from .DualImageChooserWidget import DualImageChooserWidget
@@ -31,6 +32,7 @@ class WidgetFactory:
         'button': ButtonWidget,
         'info_label': InfoLabelWidget,
         'info_dict': InfoDictWidget,
+        'info_graph': InfoGraphWidget,
         'list_dual': DualListWidget,
     }