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Cover grid: When using a background image do not scroll it with the covers. Fixes #1886139 [cover grid background image displays poorly when scrolling](https://bugs.launchpad.net/calibre/+bug/1886139)

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Kovid Goyal 2020-07-03 12:10:41 +05:30
parent 23580d97ab
commit 0bdabbaeef
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1 changed files with 13 additions and 10 deletions
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23
src/calibre/gui2/library/alternate_views.py
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@ -12,10 +12,10 @@ from textwrap import wrap
from PyQt5.Qt import (
QListView, QSize, QStyledItemDelegate, QModelIndex, Qt, QImage, pyqtSignal,
QTimer, QPalette, QColor, QItemSelection, QPixmap, QApplication,
QTimer, QColor, QItemSelection, QPixmap, QApplication,
QMimeData, QUrl, QDrag, QPoint, QPainter, QRect, pyqtProperty, QEvent,
QPropertyAnimation, QEasingCurve, pyqtSlot, QHelpEvent, QAbstractItemView,
QStyleOptionViewItem, QToolTip, QByteArray, QBuffer, QBrush, qRed, qGreen,
QStyleOptionViewItem, QToolTip, QByteArray, QBuffer, qRed, qGreen,
qBlue, QItemSelectionModel, QIcon, QFont, QTableView, QTreeView)
from calibre import fit_image, prints, prepare_string_for_xml, human_readable
@ -794,23 +794,26 @@ class GridView(QListView):
def set_color(self):
r, g, b = gprefs['cover_grid_color']
pal = QPalette()
col = QColor(r, g, b)
pal.setColor(pal.Base, col)
tex = gprefs['cover_grid_texture']
pal = self.palette()
pal.setColor(pal.Base, QColor(r, g, b))
self.setPalette(pal)
ss = ''
if tex:
from calibre.gui2.preferences.texture_chooser import texture_path
path = texture_path(tex)
if path:
path = os.path.abspath(path).replace(os.sep, '/')
ss += 'background-image: url({});'.format(path)
ss += 'background-attachment: fixed;'
pm = QPixmap(path)
if not pm.isNull():
val = pm.scaled(1, 1).toImage().pixel(0, 0)
r, g, b = qRed(val), qGreen(val), qBlue(val)
pal.setBrush(pal.Base, QBrush(pm))
dark = (r + g + b)/3.0 < 128
pal.setColor(pal.Text, QColor(Qt.white if dark else Qt.black))
self.setPalette(pal)
self.delegate.highlight_color = pal.color(pal.Text)
dark = max(r, g, b) < 115
ss += 'color: {};'.format('white' if dark else 'black')
self.delegate.highlight_color = QColor(Qt.white if dark else Qt.black)
self.setStyleSheet('QListView {{ {} }}'.format(ss))
def refresh_settings(self):
size_changed = (