ui/curses: add curses interface draft

2026-09-29 06:44:00 -06:00 · 2019-01-03 21:38:19 +01:00
parent 81f6dbede2
commit ca7ab192c5
32 changed files with 1413 additions and 18 deletions
@@ -0,0 +1,71 @@
+import curses
+import enum
+import typing as T
+
+from .scrollable import Scrollable
+
+
+class DataTable(Scrollable):
+    def __init__(
+        self,
+        parent: T.Any,
+        h: int,
+        w: int,
+        y: int,
+        x: int,
+        align_right: bool = False,
+    ) -> None:
+        super().__init__(parent, h, w, y, x)
+
+        self._align_right = align_right
+        self._items: T.List[T.Tuple[str, str]]
+
+    def add(self, text: str, value: str) -> None:
+        self._items.append((text, value))
+        self.scroll_to_item(-1)
+
+    def set(self, text: str, value: str) -> None:
+        idx = self.get_idx(text)
+        if idx is None:
+            self.add(text, value)
+        else:
+            self._items[idx] = (self._items[idx][0], value)
+            self.scroll_to_item(idx)
+
+    def delete(self, text: str) -> None:
+        idx = self.get_idx(text)
+        if idx is not None:
+            del self._items[idx]
+            self.scroll_to_item(idx)
+
+    def get_idx(self, text: str) -> T.Optional[int]:
+        for idx, row in enumerate(self._items):
+            if row[0].strip() == text.strip():
+                return idx
+        return None
+
+    def _render_impl(self) -> None:
+        assert self._pad
+        h, w = self.getmaxyx()
+        if self._align_right:
+            for y, row in enumerate(self._items):
+                self._pad.move(y, 0)
+                self._pad.addnstr(row[0], min(len(row[0]), w))
+                col2_x = max(0, w - len(row[1]))
+                if col2_x < w:
+                    self._pad.move(y, col2_x)
+                    self._pad.addstr(row[1])
+        else:
+            col2_x = self._get_col_width(0)
+            for y, row in enumerate(self._items):
+                self._pad.addnstr(y, 0, row[0], min(len(row[0]), w))
+                if col2_x < w:
+                    self._pad.addnstr(
+                        y, col2_x, row[1], min(len(row[1]), w - col2_x)
+                    )
+
+        y, x = self.getbegyx()
+        self._pad.refresh(self._scroll_y, 0, y, x, y + h - 1, x + w - 1)
+
+    def _get_col_width(self, x: int) -> int:
+        return max([len(row[0]) for row in self._items] + [0])