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Handle double clicks in entire scroll area not just on image

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Kovid Goyal 2021-05-23 13:03:35 +05:30
parent b097ecce99
commit 259f1c2471
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1 changed files with 7 additions and 2 deletions
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src/calibre/gui2/image_popup.py
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@ -84,6 +84,11 @@ class Label(QLabel):
if v.isVisible(): if v.isVisible():
v.setValue(v.value() - dy) v.setValue(v.value() - dy)
class ScrollArea(QScrollArea):
toggle_fit = pyqtSignal()
def mouseDoubleClickEvent(self, ev): def mouseDoubleClickEvent(self, ev):
if ev.button() == Qt.MouseButton.LeftButton: if ev.button() == Qt.MouseButton.LeftButton:
self.toggle_fit.emit() self.toggle_fit.emit()
@ -104,11 +109,11 @@ class ImageView(QDialog):
self.factor = 1.0 self.factor = 1.0
self.geom_name = geom_name self.geom_name = geom_name
self.scrollarea = sa = QScrollArea() self.scrollarea = sa = ScrollArea()
sa.setAlignment(Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter) sa.setAlignment(Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter)
sa.setBackgroundRole(QPalette.ColorRole.Dark) sa.setBackgroundRole(QPalette.ColorRole.Dark)
self.label = l = Label(sa) self.label = l = Label(sa)
l.toggle_fit.connect(self.toggle_fit) sa.toggle_fit.connect(self.toggle_fit)
sa.setWidget(l) sa.setWidget(l)
self.bb = bb = QDialogButtonBox(QDialogButtonBox.StandardButton.Close) self.bb = bb = QDialogButtonBox(QDialogButtonBox.StandardButton.Close)