hc: let HC Panel control rows be as tall as their widgets

A fixed 24px row squashed the checkboxes and dropdowns: Houdini's
stylesheet makes a checkbox 35px and a combo box 45px. Each control row
now takes its widget's height, floored at a plain text row's so the list
does not ripple.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 python3.13libs/hc/hcwidgets.py | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/python3.13libs/hc/hcwidgets.py b/python3.13libs/hc/hcwidgets.py
index 77c44e5..3b89d8a 100644
--- a/python3.13libs/hc/hcwidgets.py
+++ b/python3.13libs/hc/hcwidgets.py
@@ -3,7 +3,7 @@ import traceback
 from fuzzyfinder import fuzzyfinder
 from importlib import reload
 from PySide6 import QtWidgets
-from PySide6.QtCore import QEvent, QSize, Qt
+from PySide6.QtCore import QEvent, Qt
 
 class HCWidgets:
 
@@ -121,8 +121,6 @@ class HCWidgets:
 
 
     class SelectionDialog(QtWidgets.QDialog):
-        ROW_HEIGHT = 24
-
         def __init__(self, window_title, list_dict, anchor_geometry=None):
             super().__init__(hou.qt.mainWindow())
             self.resize(900, 600)
@@ -251,6 +249,7 @@ class HCWidgets:
                 row.refresh()
 
         def populate(self, item_list):
+            control_items = []
             for label in item_list:
                 item = QtWidgets.QListWidgetItem()
                 item.setData(Qt.UserRole, label)
@@ -261,14 +260,27 @@ class HCWidgets:
                     # make the Replace Node picker, with every node type in
                     # it, take seconds to open.
                     item.setText(label)
-                    item.setSizeHint(QSize(0, self.ROW_HEIGHT))
                     self.list.addItem(item)
                     continue
                 row = HCWidgets.ControlRow(entry, self._runInPlace)
-                item.setSizeHint(QSize(row.sizeHint().width(), self.ROW_HEIGHT))
                 self.list.addItem(item)
                 self.list.setItemWidget(item, row)
                 self.rows[label] = row
+                control_items.append((item, row))
+
+            # A control row is as tall as its control wants -- Houdini's
+            # stylesheet makes a checkbox 35px and a combo box 45px, and a
+            # fixed row height squashed both -- but never shorter than a
+            # plain text row, so the list does not ripple.
+            base = 0
+            for i in range(self.list.count()):
+                if self.list.item(i).text():
+                    base = self.list.sizeHintForRow(i)
+                    break
+            for item, row in control_items:
+                hint = row.sizeHint()
+                hint.setHeight(max(hint.height(), base))
+                item.setSizeHint(hint)
                 row.refresh()