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Avoid initial cover image loading when calibre starts up with cover browser hidden

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Kovid Goyal 2015-04-30 13:06:02 +05:30
parent 9a3f901ca4
commit ba1d07f73d
1 changed files with 11 additions and 1 deletions
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12
src/calibre/gui2/cover_flow.py
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@ -83,6 +83,7 @@ def __init__(self, model, is_cover_browser_visible):
self.model = model
self.is_cover_browser_visible = is_cover_browser_visible
self.model.modelReset.connect(self.reset, type=Qt.QueuedConnection)
self.ignore_image_requests = True
def count(self):
return self.model.count()
@ -116,6 +117,8 @@ def endResetModel(self):
pass
def image(self, index):
if self.ignore_image_requests:
return QImage()
return self.model.cover(index)
class CoverFlow(pictureflow.PictureFlow):
@ -163,6 +166,9 @@ def dataChanged(self):
def _data_changed(self):
pictureflow.PictureFlow.dataChanged(self)
def setCurrentSlide(self, num):
pictureflow.PictureFlow.setCurrentSlide(self, num)
else:
CoverFlow = None
@ -267,7 +273,7 @@ def init_cover_flow_mixin(self):
self.cb_splitter.insertWidget(self.cb_splitter.side_index, self.cover_flow)
if CoverFlow is not None:
self.cover_flow.stop.connect(self.cb_splitter.hide_side_pane)
self.cb_splitter.button.toggled.connect(self.cover_browser_toggled)
self.cb_splitter.button.toggled.connect(self.cover_browser_toggled, type=Qt.QueuedConnection)
def toggle_cover_browser(self, *args):
cbd = getattr(self, 'cb_dialog', None)
@ -285,6 +291,9 @@ def cover_browser_toggled(self, *args):
def cover_browser_shown(self):
self.cover_flow.setFocus(Qt.OtherFocusReason)
if CoverFlow is not None:
if self.db_images.ignore_image_requests:
self.db_images.ignore_image_requests = False
self.db_images.dataChanged.emit()
self.cover_flow.setCurrentSlide(self.library_view.currentIndex().row())
self.cover_flow_syncing_enabled = True
QTimer.singleShot(500, self.cover_flow_do_sync)
@ -335,6 +344,7 @@ def is_cover_browser_visible(self):
def refresh_cover_browser(self):
try:
if self.is_cover_browser_visible() and not isinstance(self.cover_flow, QLabel):
self.db_images.ignore_image_requests = False
self.cover_flow.dataChanged()
except AttributeError:
pass # called before init_cover_flow_mixin