class GraphicsPixmapWidget(QGraphicsWidget):
"""
A QGraphicsWidget displaying a QPixmap
"""
def __init__(self, pixmap=None, parent=None):
super().__init__(parent)
self.setCacheMode(QGraphicsItem.ItemCoordinateCache)
self._pixmap = QPixmap(pixmap) if pixmap is not None else QPixmap()
self._keepAspect = True
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
def setPixmap(self, pixmap):
self._pixmap = QPixmap(pixmap)
self.updateGeometry()
self.update()
def pixmap(self):
return QPixmap(self._pixmap)
def setKeepAspectRatio(self, keep):
if self._keepAspect != keep:
self._keepAspect = bool(keep)
self.update()
def keepAspectRatio(self):
return self._keepAspect
def setGeometry(self, rect):
self.prepareGeometryChange()
super().setGeometry(rect)
def sizeHint(self, which, constraint=QSizeF()):
if which == Qt.PreferredSize:
return QSizeF(self._pixmap.size())
else:
return QGraphicsWidget.sizeHint(self, which, constraint)
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = QSizeF(self._pixmap.size())
aspectmode = (Qt.KeepAspectRatio
if self._keepAspect else Qt.IgnoreAspectRatio)
pixsize.scale(rect.size(), aspectmode)
pixrect = QRectF(QPointF(0, 0), pixsize)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
source = QRectF(QPointF(0, 0), QSizeF(self._pixmap.size()))
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()
class GraphicsPixmapWidget(QGraphicsWidget):
"""
A QGraphicsWidget displaying a QPixmap
"""
def __init__(self, pixmap=None, parent=None):
super().__init__(parent)
self.setCacheMode(QGraphicsItem.ItemCoordinateCache)
self._pixmap = QPixmap(pixmap) if pixmap is not None else QPixmap()
self._keepAspect = True
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
def setPixmap(self, pixmap):
self._pixmap = QPixmap(pixmap)
self.updateGeometry()
self.update()
def pixmap(self):
return QPixmap(self._pixmap)
def setKeepAspectRatio(self, keep):
if self._keepAspect != keep:
self._keepAspect = bool(keep)
self.update()
def keepAspectRatio(self):
return self._keepAspect
def setGeometry(self, rect):
self.prepareGeometryChange()
super().setGeometry(rect)
def sizeHint(self, which, constraint=QSizeF()):
if which == Qt.PreferredSize:
return QSizeF(self._pixmap.size())
else:
return QGraphicsWidget.sizeHint(self, which, constraint)
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = QSizeF(self._pixmap.size())
aspectmode = (Qt.KeepAspectRatio if self._keepAspect
else Qt.IgnoreAspectRatio)
pixsize.scale(rect.size(), aspectmode)
pixrect = QRectF(QPointF(0, 0), pixsize)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
source = QRectF(QPointF(0, 0), QSizeF(self._pixmap.size()))
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()
def setIcon(self, icon):
"""
Set the message icon.
:type icon: QIcon | QPixmap | QString | QStyle.StandardPixmap
"""
if isinstance(icon, QStyle.StandardPixmap):
icon = self.style().standardIcon(icon)
else:
icon = QIcon(icon)
if self.__icon != icon:
self.__icon = QIcon(icon)
if not self.__icon.isNull():
size = self.style().pixelMetric(QStyle.PM_SmallIconSize, None, self)
pm = self.__icon.pixmap(QSize(size, size))
else:
pm = QPixmap()
self.__iconlabel.setPixmap(pm)
self.__iconlabel.setVisible(not pm.isNull())
def setIcon(self, icon):
"""
Set the message icon.
:type icon: QIcon | QPixmap | QString | QStyle.StandardPixmap
"""
if isinstance(icon, QStyle.StandardPixmap):
icon = self.style().standardIcon(icon)
else:
icon = QIcon(icon)
if self.__icon != icon:
self.__icon = QIcon(icon)
if not self.__icon.isNull():
size = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self)
pm = self.__icon.pixmap(QSize(size, size))
else:
pm = QPixmap()
self.__iconlabel.setPixmap(pm)
self.__iconlabel.setVisible(not pm.isNull())
class Preview(QWidget):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.__pixmap = QPixmap()
# Flag indicating if the widget was resized as a result of user
# initiated window resize. When false the widget will automatically
# resize/re-position based on pixmap size.
self.__hasExplicitSize = False
self.__inUpdateWindowGeometry = False
def setPixmap(self, pixmap):
if self.__pixmap != pixmap:
self.__pixmap = QPixmap(pixmap)
self.__updateWindowGeometry()
self.update()
self.updateGeometry()
def pixmap(self):
return QPixmap(self.__pixmap)
def resizeEvent(self, event):
super().resizeEvent(event)
if self.isVisible() and self.isWindow() and \
not self.__inUpdateWindowGeometry:
# mark that we have an explicit user provided size
self.__hasExplicitSize = True
def __updateWindowGeometry(self):
if not self.isWindow() or self.__hasExplicitSize:
return
def framemargins(widget):
frame, geom = widget.frameGeometry(), widget.geometry()
return QMargins(geom.left() - frame.left(),
geom.top() - frame.top(),
geom.right() - frame.right(),
geom.bottom() - frame.bottom())
def fitRect(rect, targetrect):
size = rect.size().boundedTo(targetgeom.size())
newrect = QRect(rect.topLeft(), size)
dx, dy = 0, 0
if newrect.left() < targetrect.left():
dx = targetrect.left() - newrect.left()
if newrect.top() < targetrect.top():
dy = targetrect.top() - newrect.top()
if newrect.right() > targetrect.right():
dx = targetrect.right() - newrect.right()
if newrect.bottom() > targetrect.bottom():
dy = targetrect.bottom() - newrect.bottom()
return newrect.translated(dx, dy)
margins = framemargins(self)
minsize = QSize(120, 120)
pixsize = self.__pixmap.size()
available = QApplication.desktop().availableGeometry(self)
available = available.adjusted(margins.left(), margins.top(),
-margins.right(), -margins.bottom())
# extra adjustment so the preview does not cover the whole desktop
available = available.adjusted(10, 10, -10, -10)
targetsize = pixsize.boundedTo(available.size()).expandedTo(minsize)
pixsize.scale(targetsize, Qt.KeepAspectRatio)
if not self.testAttribute(Qt.WA_WState_Created) or \
self.testAttribute(Qt.WA_WState_Hidden):
center = available.center()
else:
center = self.geometry().center()
targetgeom = QRect(QPoint(0, 0), pixsize)
targetgeom.moveCenter(center)
if not available.contains(targetgeom):
targetgeom = fitRect(targetgeom, available)
self.__inUpdateWindowGeometry = True
self.setGeometry(targetgeom)
self.__inUpdateWindowGeometry = False
def sizeHint(self):
return self.__pixmap.size()
def paintEvent(self, event):
if self.__pixmap.isNull():
return
sourcerect = QRect(QPoint(0, 0), self.__pixmap.size())
pixsize = QSizeF(self.__pixmap.size())
rect = self.contentsRect()
pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio)
targetrect = QRectF(QPointF(0, 0), pixsize)
targetrect.moveCenter(QPointF(rect.center()))
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect))
painter.end()
class Preview(QWidget):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.__pixmap = QPixmap()
# Flag indicating if the widget was resized as a result of user
# initiated window resize. When false the widget will automatically
# resize/re-position based on pixmap size.
self.__hasExplicitSize = False
self.__inUpdateWindowGeometry = False
def setPixmap(self, pixmap):
if self.__pixmap != pixmap:
self.__pixmap = QPixmap(pixmap)
self.__updateWindowGeometry()
self.update()
self.updateGeometry()
def pixmap(self):
return QPixmap(self.__pixmap)
def resizeEvent(self, event):
super().resizeEvent(event)
if self.isVisible() and self.isWindow() and \
not self.__inUpdateWindowGeometry:
# mark that we have an explicit user provided size
self.__hasExplicitSize = True
def __updateWindowGeometry(self):
if not self.isWindow() or self.__hasExplicitSize:
return
def framemargins(widget):
frame, geom = widget.frameGeometry(), widget.geometry()
return QMargins(geom.left() - frame.left(),
geom.top() - frame.top(),
geom.right() - frame.right(),
geom.bottom() - frame.bottom())
def fitRect(rect, targetrect):
size = rect.size().boundedTo(targetgeom.size())
newrect = QRect(rect.topLeft(), size)
dx, dy = 0, 0
if newrect.left() < targetrect.left():
dx = targetrect.left() - newrect.left()
if newrect.top() < targetrect.top():
dy = targetrect.top() - newrect.top()
if newrect.right() > targetrect.right():
dx = targetrect.right() - newrect.right()
if newrect.bottom() > targetrect.bottom():
dy = targetrect.bottom() - newrect.bottom()
return newrect.translated(dx, dy)
margins = framemargins(self)
minsize = QSize(120, 120)
pixsize = self.__pixmap.size()
available = QApplication.desktop().availableGeometry(self)
available = available.adjusted(margins.left(), margins.top(),
-margins.right(), -margins.bottom())
# extra adjustment so the preview does not cover the whole desktop
available = available.adjusted(10, 10, -10, -10)
targetsize = pixsize.boundedTo(available.size()).expandedTo(minsize)
pixsize.scale(targetsize, Qt.KeepAspectRatio)
if not self.testAttribute(Qt.WA_WState_Created) or \
self.testAttribute(Qt.WA_WState_Hidden):
center = available.center()
else:
center = self.geometry().center()
targetgeom = QRect(QPoint(0, 0), pixsize)
targetgeom.moveCenter(center)
if not available.contains(targetgeom):
targetgeom = fitRect(targetgeom, available)
self.__inUpdateWindowGeometry = True
self.setGeometry(targetgeom)
self.__inUpdateWindowGeometry = False
def sizeHint(self):
return self.__pixmap.size()
def paintEvent(self, event):
if self.__pixmap.isNull():
return
sourcerect = QRect(QPoint(0, 0), self.__pixmap.size())
pixsize = QSizeF(self.__pixmap.size())
rect = self.contentsRect()
pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio)
targetrect = QRectF(QPointF(0, 0), pixsize)
targetrect.moveCenter(QPointF(rect.center()))
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect))
painter.end()
class GraphicsPixmapWidget(QGraphicsWidget):
"""
A QGraphicsWidget displaying a QPixmap
"""
def __init__(self, pixmap=None, parent=None):
super().__init__(parent)
self.setCacheMode(QGraphicsItem.ItemCoordinateCache)
self._pixmap = QPixmap(pixmap) if pixmap is not None else QPixmap()
self._keepAspect = True
self._crop = False
self._subset = True
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
def setPixmap(self, pixmap):
self._pixmap = QPixmap(pixmap)
self.updateGeometry()
self.update()
def pixmap(self):
return QPixmap(self._pixmap)
def setKeepAspectRatio(self, keep):
if self._keepAspect != keep:
self._keepAspect = bool(keep)
self.update()
def keepAspectRatio(self):
return self._keepAspect
def crop(self):
return self._crop
def setCrop(self, crop):
if self._crop != crop:
self._crop = bool(crop)
self.update()
def setSubset(self, in_subset):
if self._subset != in_subset:
self._subset = bool(in_subset)
self.update()
def setGeometry(self, rect):
self.prepareGeometryChange()
super().setGeometry(rect)
def sizeHint(self, which, constraint=QSizeF()):
if which == Qt.PreferredSize:
return QSizeF(self._pixmap.size())
else:
return QGraphicsWidget.sizeHint(self, which, constraint)
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = QSizeF(self._pixmap.size())
aspectmode = (Qt.KeepAspectRatio
if self._keepAspect else Qt.IgnoreAspectRatio)
if self._crop:
height, width = pixsize.height(), pixsize.width()
diff = abs(height - width)
if height > width:
y, x = diff / 2, 0
h, w = height - diff, width
else:
x, y = diff / 2, 0
w, h = width - diff, height
source = QRectF(x, y, w, h)
pixrect = QRectF(QPointF(0, 0), rect.size())
else:
source = QRectF(QPointF(0, 0), pixsize)
pixsize.scale(rect.size(), aspectmode)
pixrect = QRectF(QPointF(0, 0), pixsize)
if self._subset:
painter.setOpacity(1.0)
else:
painter.setOpacity(0.35)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()
class GraphicsPixmapWidget(QGraphicsWidget):
def __init__(self,
parent: Optional[QGraphicsItem] = None,
pixmap: Optional[QPixmap] = None,
scaleContents=False,
aspectMode=Qt.KeepAspectRatio,
**kwargs) -> None:
self.__scaleContents = scaleContents
self.__aspectMode = aspectMode
self.__pixmap = QPixmap(pixmap) if pixmap is not None else QPixmap()
super().__init__(None, **kwargs)
self.setFlag(QGraphicsWidget.ItemUsesExtendedStyleOption, True)
self.setContentsMargins(0, 0, 0, 0)
if parent is not None:
self.setParentItem(parent)
def setPixmap(self, pixmap: QPixmap) -> None:
self.prepareGeometryChange()
self.__pixmap = QPixmap(pixmap)
self.updateGeometry()
def pixmap(self) -> QPixmap:
return QPixmap(self.__pixmap)
def setAspectRatioMode(self, mode: Qt.AspectRatioMode) -> None:
if self.__aspectMode != mode:
self.__aspectMode = mode
sp = self.sizePolicy()
sp.setHeightForWidth(self.__aspectMode != Qt.IgnoreAspectRatio
and self.__scaleContents)
self.setSizePolicy(sp)
self.updateGeometry()
def aspectRatioMode(self) -> Qt.AspectRatioMode:
return self.__aspectMode
def setScaleContents(self, scale: bool) -> None:
if self.__scaleContents != scale:
self.__scaleContents = bool(scale)
sp = self.sizePolicy()
sp.setHeightForWidth(self.__aspectMode != Qt.IgnoreAspectRatio
and self.__scaleContents)
self.setSizePolicy(sp)
self.updateGeometry()
def scaleContents(self) -> bool:
return self.__scaleContents
def sizeHint(self, which, constraint=QSizeF(-1, -1)) -> QSizeF:
if which == Qt.PreferredSize:
sh = QSizeF(self.__pixmap.size())
if self.__scaleContents:
sh = scaled(sh, constraint, self.__aspectMode)
return sh
elif which == Qt.MinimumSize:
if self.__scaleContents:
return QSizeF(0, 0)
else:
return QSizeF(self.__pixmap.size())
elif which == Qt.MaximumSize:
if self.__scaleContents:
return QSizeF()
else:
return QSizeF(self.__pixmap.size())
else:
# Qt.MinimumDescent
return QSizeF()
def pixmapTransform(self) -> QTransform:
if self.__pixmap.isNull():
return QTransform()
pxsize = QSizeF(self.__pixmap.size())
crect = self.contentsRect()
transform = QTransform()
transform = transform.translate(crect.left(), crect.top())
if self.__scaleContents:
csize = scaled(pxsize, crect.size(), self.__aspectMode)
else:
csize = pxsize
xscale = csize.width() / pxsize.width()
yscale = csize.height() / pxsize.height()
return transform.scale(xscale, yscale)
def paint(self,
painter: QPainter,
option: QStyleOptionGraphicsItem,
widget: Optional[QWidget] = None) -> None:
if self.__pixmap.isNull():
return
pixmap = self.__pixmap
crect = self.contentsRect()
exposed = option.exposedRect
exposedcrect = crect.intersected(exposed)
pixmaptransform = self.pixmapTransform()
# map exposed rect to exposed pixmap coords
assert pixmaptransform.type() in (QTransform.TxNone,
QTransform.TxTranslate,
QTransform.TxScale)
pixmaptransform, ok = pixmaptransform.inverted()
if not ok:
painter.drawPixmap(crect, pixmap,
QRectF(QPointF(0, 0), QSizeF(pixmap.size())))
else:
exposedpixmap = pixmaptransform.mapRect(exposed)
painter.drawPixmap(exposedcrect, pixmap, exposedpixmap)
def __init__(self, parent=None, *, mime=None, image=None):
QDialog.__init__(self, parent)
self.setupUi(self)
self._backend = None
self._backend_controls = {}
self._label_anonymous = self.tr('Anonymous')
self._label_select_login = self.tr('Select Login')
self._available_backends = []
data = None
file_name = None
if image:
self._share_type = Bi.Image
data = image
elif mime:
if mime.hasImage():
self._share_type = Bi.Image
data = mime.imageData()
elif mime.hasUrls():
urls = mime.urls()
if len(urls) == 1:
file_path = os.path.realpath(urls[0].toLocalFile())
if not os.path.isfile(file_path):
raise ValueError(self.tr('Directories can not be shared'))
file_size = os.path.getsize(file_path)
file_name = os.path.basename(file_path)
if file_size > const.BIG_FILE_WARNING_SIZE:
file_name = os.path.basename(file_path)
nice_size = format_size(file_size)
result = QMessageBox.warning(self, self.tr('Warning'),
self.tr('File "{file_name}" {nice_size}.\n'
'Are you sure you want to continue?').format(**locals()),
QMessageBox.Yes | QMessageBox.Abort)
if result == QMessageBox.Abort:
QTimer.singleShot(0, self.reject)
return
if file_has_extension(file_path, ('png', 'jpg', 'jpeg', 'bmp', 'gif')):
image = QPixmap(file_path)
else:
image = None
if not image or image.isNull():
data = read_text_from_file(file_path)
if data:
self._share_type = Bi.Text
else:
self._share_type = Bi.File
data = file_path
else:
self._share_type = Bi.Image
data = image
else:
raise ValueError(self.tr('Can not share more than one file'))
elif mime.hasText():
self._share_type = Bi.Text
data = mime.text()
else:
raise RuntimeError()
if not data:
raise ValueError(self.tr('There is no content in your clipboard.\nCopy something in order to share it.'))
if self._share_type == Bi.Image:
if not file_name:
file_name = '{}-{}.png'.format('screenshot' if image else 'image', int(time()))
if data.width() > self.image_preview.width() or data.height() > self.image_preview.height():
preview = data.scaled(self.image_preview.size(), Qt.KeepAspectRatio)
else:
preview = data
if isinstance(preview, QImage):
preview = QPixmap.fromImage(preview)
self.image_preview.setPixmap(preview)
self.preview_stack.setCurrentIndex(0)
buf = QBuffer()
data.save(buf, 'png', 100)
data = buf.data().data()
elif self._share_type == Bi.Text:
if not file_name:
file_name = 'file-{}.txt'.format(int(time()))
self.text_preview.setPlainText(dedent_text_and_truncate(data, 128))
self.preview_stack.setCurrentIndex(1)
elif self._share_type == Bi.File:
if not file_name:
file_name = 'file-{}.bin'.format(int(time()))
self.text_preview.setPlainText(self.tr('No preview available'))
self.preview_stack.setCurrentIndex(1)
self._file_name = file_name
self._data = data
self.populate_backends()
self.share.pressed.connect(self.share_item)
self.add_login.pressed.connect(self.on_add_login)
self.logout.pressed.connect(self.logout_selected)
self.login_list.currentIndexChanged.connect(self.select_login)
min_height = self.backend_selector.minimumSizeHint().height()
if os.name == 'nt':
# On windows tab widget and font are rather small
min_height -= 5
for el in (self.add_login, self.login_list, self.logout, self.share):
font = el.font()
font.setPointSize(12)
el.setFont(font)
self.login_list.setFixedHeight(self.add_login.height() - 2)
self.backend_selector.setFixedHeight(min_height)
self.backend_selector.currentChanged.connect(self.select_backend)
if self.backend_selector.height() < self.add_login.height():
# Move tab widget down based on size of controls on the right. Makes widgets below seem to belong to the
# selected tab.
self.backend_selector.move(0, self.add_login.height() - self.backend_selector.height())
self.resize(self.width(), 0)
self.setWindowState((self.windowState() & ~Qt.WindowMinimized) | Qt.WindowActive)
self.raise_()
self.activateWindow()
class GraphicsPixmapWidget(QGraphicsWidget):
"""
A QGraphicsWidget displaying a QPixmap
"""
def __init__(self, pixmap=None, parent=None):
super().__init__(parent)
self.setCacheMode(QGraphicsItem.ItemCoordinateCache)
self._pixmap = QPixmap(pixmap) if pixmap is not None else QPixmap()
self._keepAspect = True
self._crop = False
self._subset = True
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
def setPixmap(self, pixmap):
self._pixmap = QPixmap(pixmap)
self.updateGeometry()
self.update()
def pixmap(self):
return QPixmap(self._pixmap)
def setKeepAspectRatio(self, keep):
if self._keepAspect != keep:
self._keepAspect = bool(keep)
self.update()
def keepAspectRatio(self):
return self._keepAspect
def crop(self):
return self._crop
def setCrop(self, crop):
if self._crop != crop:
self._crop = bool(crop)
self.update()
def setSubset(self, in_subset):
if self._subset != in_subset:
self._subset = bool(in_subset)
self.update()
def setGeometry(self, rect):
self.prepareGeometryChange()
super().setGeometry(rect)
def sizeHint(self, which, constraint=QSizeF()):
if which == Qt.PreferredSize:
return QSizeF(self._pixmap.size())
else:
return QGraphicsWidget.sizeHint(self, which, constraint)
def paint(self, painter, option, widget=0):
if self._pixmap.isNull():
return
rect = self.contentsRect()
pixsize = QSizeF(self._pixmap.size())
aspectmode = (Qt.KeepAspectRatio if self._keepAspect else Qt.IgnoreAspectRatio)
if self._crop:
height, width = pixsize.height(), pixsize.width()
diff = abs(height - width)
if height > width:
y, x = diff / 2, 0
h, w = height - diff, width
else:
x, y = diff / 2, 0
w, h = width - diff, height
source = QRectF(x, y, w, h)
pixrect = QRectF(QPointF(0, 0), rect.size())
else:
source = QRectF(QPointF(0, 0), pixsize)
pixsize.scale(rect.size(), aspectmode)
pixrect = QRectF(QPointF(0, 0), pixsize)
if self._subset:
painter.setOpacity(1.0)
else:
painter.setOpacity(0.35)
pixrect.moveCenter(rect.center())
painter.save()
painter.setPen(QPen(QColor(0, 0, 0, 50), 3))
painter.drawRoundedRect(pixrect, 2, 2)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(pixrect, self._pixmap, source)
painter.restore()