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Ensure preload is called in all rendering paths

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Kovid Goyal 2026-03-15 19:50:55 +05:30
parent 82855cbcea
commit 0281641f2c
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1 changed files with 6 additions and 5 deletions
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11
src/calibre/gui2/fts/cards.py
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@ -227,7 +227,7 @@ class CardWidget(QWidget):
def bind(self, card: CardData):
'''Bind this widget to a CardData, rebuilding the document.'''
self._card = card
self.setFixedSize(card.width, card.height)
self.setFixedSize(max(0, card.width), max(0, card.height))
self.update()
def _pos_in_doc(self, widget_pos) -> QPointF:
@ -448,7 +448,7 @@ class VirtualCardContainer(QWidget):
row_idx += 1
self._total_height = y - lc.spacing + lc.margin if self._rows else 0
self.setFixedHeight(self._total_height)
self.setFixedHeight(max(0, self._total_height))
self._update_visible_widgets()
# -- visibility determination (binary search on rows) --------------------
@ -485,6 +485,7 @@ class VirtualCardContainer(QWidget):
# -- widget lifecycle (create / recycle / hide) --------------------------
def _update_visible_widgets(self):
self.preload()
first_row, last_row = self._visible_row_range()
# Determine which card indices should be visible
@ -507,7 +508,7 @@ class VirtualCardContainer(QWidget):
# Already alive — update size and position
card = self._cards[idx]
w = self._live_widgets[idx]
w.setFixedSize(card.width, card.height)
w.setFixedSize(max(0, card.width), max(0, card.height))
w.setGeometry(card.x, card.y, card.width, card.height)
continue
@ -560,7 +561,7 @@ class CardView(QScrollArea):
def resizeEvent(self, event):
super().resizeEvent(event)
# Set container width to match viewport width so row count updates
self._container.setFixedWidth(self.viewport().width())
self._container.setFixedWidth(max(0, self.viewport().width()))
self._resize_timer.start()
def _do_relayout(self):
@ -570,7 +571,7 @@ class CardView(QScrollArea):
def showEvent(self, event):
super().showEvent(event)
self._container.setFixedWidth(self.viewport().width())
self._container.setFixedWidth(max(0, self.viewport().width()))
self._do_relayout()
def shutdown(self):