feat: dzgui 7 alpha

dzgui/views/mixins/cursor_mixin.py

@@ -0,0 +1,58 @@
+from dzgui.const.enum import CursorPosition
+from dzgui.const.constants import SEPARATOR
+
+import gi
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk, GLib, Gdk, GObject, Pango  # noqa E402
+
+
+class CursorMixin:
+    def _vim_nav(self, event: Gdk.EventKey):
+        match event.keyval:
+            case Gdk.KEY_g:
+                self._move_cursor(CursorPosition.TOP)
+            case Gdk.KEY_G:
+                self._move_cursor(CursorPosition.BOTTOM)
+            case Gdk.KEY_j:
+                self._move_cursor(CursorPosition.DOWN)
+            case Gdk.KEY_k:
+                self._move_cursor(CursorPosition.UP)
+            case Gdk.KEY_l | Gdk.KEY_Right:
+                if event.state is Gdk.ModifierType.CONTROL_MASK:
+                    return
+                self.controller.mediator.right_panel.focus_button_box()
+            case _:
+                return False
+
+    def _move_cursor(self, position: CursorPosition) -> bool:
+        cur_row = self.get_focused_row_index()
+        model = self.get_model()
+        if model:
+            end = len(model) - 1
+        else:
+            return True
+
+        if position == CursorPosition.DOWN:
+            if cur_row == end:
+                return True
+            dest = cur_row + 1
+            if model[dest][0] == SEPARATOR:
+                dest += 1
+        if position == CursorPosition.UP:
+            if cur_row == 0:
+                return True
+            dest = cur_row - 1
+            if model[dest][0] == "SEPARATOR":
+                dest -= 1
+        if position == CursorPosition.TOP:
+            if cur_row == 0:
+                return True
+            dest = 0
+        if position == CursorPosition.BOTTOM:
+            if cur_row == end:
+                return True
+            dest = end
+
+        path = Gtk.TreePath.new_from_indices([dest])
+        self.set_cursor(path)
+        return True