class ResizableRubberBand(QWidget):
"""Wrapper to make QRubberBand mouse-resizable using QSizeGrip
https://stackoverflow.com/questions/19066804/implementing-resize-handles-on-qrubberband-is-qsizegrip-relevant
Source: http://stackoverflow.com/a/19067132/435253
"""
def __init__(self, parent=None):
super(ResizableRubberBand, self).__init__(parent)
self.setMinimumSize(30, 30)
self.setWindowFlags(Qt.SubWindow)
self.layout = QHBoxLayout(self)
self.layout.setContentsMargins(0, 0, 0, 0)
self.grip1 = QSizeGrip(self)
self.layout.addWidget(self.grip1, 0, Qt.AlignRight | Qt.AlignBottom)
self.rubberband = QRubberBand(QRubberBand.Rectangle, self)
self.rubberband.move(0, 0)
self.rubberband.show()
self.move_offset = None
self.resize(150, 150)
self.show()
def resizeEvent(self, event):
self.rubberband.resize(self.size())
def mousePressEvent(self, event):
if event.buttons() == Qt.LeftButton:
self.move_offset = event.pos()
def mouseMoveEvent(self, event):
if event.buttons() == Qt.LeftButton:
new_pos = self.mapToParent(event.pos() - self.move_offset)
parent_rect = self.parent().rect()
image_rect = self.parent().pixmap().rect()
adjustment = parent_rect.bottomRight() - image_rect.bottomRight()
y_offset = adjustment.y() / 2
x_offset = adjustment.x() / 2
new_pos.setX(max(x_offset, min(new_pos.x(), image_rect.width() - self.width() + x_offset)))
new_pos.setY(max(y_offset, min(new_pos.y(), image_rect.height() - self.height() + y_offset)))
self.move(new_pos)
def mouseReleaseEvent(self, event):
self.move_offset = None
class ImageCropperDropper(QLabel): '''A QLabel that displays a rectangle when drawing a rectangle with the mouse''' cropped = Signal(QPixmap) fileDropped = Signal(QUrl) def __init__(self, mainwin): QLabel.__init__(self) self.setAcceptDrops(True) self.marker = QRubberBand(QRubberBand.Rectangle, self) self.markOrigin = self.markEnd = None self.setContextMenuPolicy(Qt.ActionsContextMenu) self.addAction(mainwin.cropAction) self.addAction(mainwin.saveAction) def setPixmap(self, pix): QLabel.setPixmap(self, pix) self.resize(pix.size()) self.marker.hide() self.markOrigin = self.markEnd = None @Slot() def doCrop(self): '''Crop the pixmap using the user-drawn rectangle, emits cropped(QPixmap) signal''' if not self.markEnd: QMessageBox.warning(self, 'Error', 'Select a region to crop first') return cropzone = self._makeRect(self.markOrigin, self.markEnd) croppedpix = self.pixmap().copy(cropzone) self.setPixmap(croppedpix) self.cropped.emit(croppedpix) def _makeRect(self, p1, p2): '''Make a QRect based on QPoints p1 and p2. The 2 points must be 2 corners but don't need to be upper-left&lower-right''' x1, x2 = min(p1.x(), p2.x()), max(p1.x(), p2.x()) y1, y2 = min(p1.y(), p2.y()), max(p1.y(), p2.y()) return QRect().adjusted(x1, y1, x2, y2) def mouseMoveEvent(self, ev): if ev.buttons() != Qt.LeftButton: return QLabel.mouseMoveEvent(self, ev) self.markEnd = ev.pos() diffpoint = self.markEnd - self.markOrigin #~ self.marker.resize(diffpoint.x(), diffpoint.y()) self.marker.setGeometry(self._makeRect(self.markOrigin, self.markEnd)) #~ ev.accept() def mousePressEvent(self, ev): if ev.button() != Qt.LeftButton: return QLabel.mousePressEvent(self, ev) self.markOrigin = ev.pos() self.marker.move(ev.pos()) self.marker.resize(QSize()) self.marker.show() #~ ev.accept() def dragEnterEvent(self, ev): if ev.mimeData().hasUrls(): ev.setDropAction(Qt.CopyAction) ev.accept() def dropEvent(self, ev): if ev.mimeData().hasUrls(): ev.setDropAction(Qt.CopyAction) ev.accept() self.fileDropped.emit(ev.mimeData().urls()[0])
class ResizableRubberBandWithGrip(QWidget):
# containerResized = Signal(QSize)
enter_or_return_key_pressed = pyqtSignal(QRect)
esc_key_pressed = pyqtSignal()
# ---------------------------------------------------------------------
def __init__(self, parent=None):
super(ResizableRubberBandWithGrip, self).__init__(parent)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setWindowTitle("Defter: Screenshot")
self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.setAttribute(Qt.WA_NoSystemBackground)
# self.setAttribute(Qt.WA_PaintOnScreen)
# self.setAttribute(Qt.WA_OpaquePaintEvent, False)
# self.setStyleSheet("QWidget{background:transparent;}")
# self.setStyleSheet("QWidget{background-color:none;}")
# self.setStyleSheet("background-color: rgba(255, 255, 255, 40%);")
# self.setWindowOpacity(0.7)
layout = QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
grip1 = MySizeGrip(self)
# grip2 = QSizeGrip(self)
# grip3 = QSizeGrip(self)
grip4 = MySizeGrip(self)
layout.addWidget(grip1, 0, Qt.AlignLeft | Qt.AlignTop)
# layout.addWidget(grip3, 0, Qt.AlignRight | Qt.AlignTop)
# layout.addWidget(grip2, 0, Qt.AlignLeft | Qt.AlignBottom)
layout.addWidget(grip4, 0, Qt.AlignRight | Qt.AlignBottom)
self.rubberband = QRubberBand(QRubberBand.Rectangle, self)
self.rubberband.move(0, 0)
self.rubberband.show()
self.show()
def mousePressEvent(self, event):
self._mousePressPos = None
self._mouseMovePos = None
if event.button() == Qt.LeftButton:
self._mousePressPos = event.globalPos()
self._mouseMovePos = event.globalPos()
super(ResizableRubberBandWithGrip, self).mousePressEvent(event)
def mouseMoveEvent(self, event):
if event.buttons() == Qt.LeftButton:
# adjust offset from clicked point to origin of widget
currPos = self.mapToGlobal(self.pos())
globalPos = event.globalPos()
diff = globalPos - self._mouseMovePos
newPos = self.mapFromGlobal(currPos + diff)
self.move(newPos)
self._mouseMovePos = globalPos
super(ResizableRubberBandWithGrip, self).mouseMoveEvent(event)
def mouseReleaseEvent(self, event):
if self._mousePressPos:
moved = event.globalPos() - self._mousePressPos
if moved.manhattanLength() > 3:
event.ignore()
return
super(ResizableRubberBandWithGrip, self).mouseReleaseEvent(event)
# ---------------------------------------------------------------------
def resizeEvent(self, event):
# self.containerResized.emit((self.size()))
self.rubberband.resize(self.size())
super(ResizableRubberBandWithGrip, self).resizeEvent(event)
# ---------------------------------------------------------------------
def mouseDoubleClickEvent(self, event):
self.hide()
self.enter_or_return_key_pressed.emit(self.geometry())
# self.close()
# self.deleteLater()
# ---------------------------------------------------------------------
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
self.esc_key_pressed.emit()
elif event.key() == Qt.Key_Enter or Qt.Key_Return:
self.hide()
self.enter_or_return_key_pressed.emit(self.geometry())
# self.close()
# self.deleteLater()
# return ResizableRubberBandWithGripForImageResizing.keyPressEvent(self, event)
super(ResizableRubberBandWithGrip, self).keyPressEvent(event)
class RubberBand(QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.draggable = True
self.dragging_threshold = 5
self.mousePressPos = None
self.mouseMovePos = None
self.parent = parent
self.setWindowFlags(Qt.SubWindow)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
top = QHBoxLayout()
top.setContentsMargins(0, 0, 0, 0)
top.addWidget( QSizeGrip(self), 0, Qt.AlignLeft | Qt.AlignTop)
top.addWidget( HSizeGrip(self), 0, Qt.AlignHCenter | Qt.AlignTop)
top.addWidget( QSizeGrip(self), 0, Qt.AlignRight | Qt.AlignTop)
layout.addLayout(top)
center = QHBoxLayout()
center.setContentsMargins(0, 0, 0, 0)
center.addWidget( VSizeGrip(self), 0, Qt.AlignLeft | Qt.AlignVCenter)
center.addWidget( VSizeGrip(self), 0, Qt.AlignRight | Qt.AlignVCenter)
layout.addLayout(center)
bottom = QHBoxLayout()
bottom.setContentsMargins(0, 0, 0, 0)
bottom.addWidget( QSizeGrip(self), 0, Qt.AlignLeft | Qt.AlignBottom)
bottom.addWidget( HSizeGrip(self), 0, Qt.AlignHCenter | Qt.AlignBottom)
bottom.addWidget( QSizeGrip(self), 0, Qt.AlignRight | Qt.AlignBottom)
layout.addLayout(bottom)
self.setLayout(layout)
self.rubberband = QRubberBand(QRubberBand.Rectangle, self)
#self.rubberband.show()
#self.show()
cropSignal = pyqtSignal()
sizeSignal = pyqtSignal(QRect)
def resizeEvent(self, event):
self.rubberband.resize(self.size())
#super(RubberBand, self).resizeEvent(event)
def paintEvent(self, event):
## Get current window size
window_size = self.size()
qp = QPainter()
bg = QColor(170,210,235,100)
qp.begin(self)
## background
qp.setBrush(bg)
## border lines
qp.setPen(QColor(70,130,255,70))
qp.setRenderHint(QPainter.Antialiasing, True)
qp.drawRect(0, 0, window_size.width(), window_size.height())
qp.end()
def mousePressEvent(self, event):
if self.draggable and self.underMouse():
self.mousePressPos = event.globalPos() # global
self.mouseMovePos = event.globalPos() - self.pos() # local
def mouseDoubleClickEvent(self, event):
self.cropSignal.emit()
def mouseMoveEvent(self, event):
if self.draggable and self.underMouse():
globalPos = event.globalPos()
moved = globalPos - self.mousePressPos
if moved.manhattanLength() > self.dragging_threshold:
# Move when user drag window more than dragging_threshold
diff = globalPos - self.mouseMovePos
self.move(diff)
self.mouseMovePos = globalPos - self.pos()
def mouseReleaseEvent(self, event):
if self.mousePressPos is not None:
if event.button() == Qt.RightButton:
moved = event.globalPos() - self.mousePressPos
if moved.manhattanLength() > self.dragging_threshold:
# Do not call click event or so on
event.ignore()
self.mousePressPos = None
def resizeEvent(self,event):
#print('rubber geo : ',self.geometry())
self.sizeSignal.emit(self.geometry())
def moveEvent(self, event):
self.sizeSignal.emit(self.geometry())
class ImageCropperDropper(QLabel):
'''A QLabel that displays a rectangle when drawing a rectangle with the mouse'''
cropped = Signal(QPixmap)
fileDropped = Signal(QUrl)
def __init__(self, mainwin):
QLabel.__init__(self)
self.setAcceptDrops(True)
self.marker = QRubberBand(QRubberBand.Rectangle, self)
self.markOrigin = self.markEnd = None
self.setContextMenuPolicy(Qt.ActionsContextMenu)
self.addAction(mainwin.cropAction)
self.addAction(mainwin.saveAction)
def setPixmap(self, pix):
QLabel.setPixmap(self, pix)
self.resize(pix.size())
self.marker.hide()
self.markOrigin = self.markEnd = None
@Slot()
def doCrop(self):
'''Crop the pixmap using the user-drawn rectangle, emits cropped(QPixmap) signal'''
if not self.markEnd:
QMessageBox.warning(self, 'Error', 'Select a region to crop first')
return
cropzone = self._makeRect(self.markOrigin, self.markEnd)
croppedpix = self.pixmap().copy(cropzone)
self.setPixmap(croppedpix)
self.cropped.emit(croppedpix)
def _makeRect(self, p1, p2):
'''Make a QRect based on QPoints p1 and p2.
The 2 points must be 2 corners but don't need to be upper-left&lower-right'''
x1, x2 = min(p1.x(), p2.x()), max(p1.x(), p2.x())
y1, y2 = min(p1.y(), p2.y()), max(p1.y(), p2.y())
return QRect().adjusted(x1, y1, x2, y2)
def mouseMoveEvent(self, ev):
if ev.buttons() != Qt.LeftButton:
return QLabel.mouseMoveEvent(self, ev)
self.markEnd = ev.pos()
diffpoint = self.markEnd - self.markOrigin
#~ self.marker.resize(diffpoint.x(), diffpoint.y())
self.marker.setGeometry(self._makeRect(self.markOrigin, self.markEnd))
#~ ev.accept()
def mousePressEvent(self, ev):
if ev.button() != Qt.LeftButton:
return QLabel.mousePressEvent(self, ev)
self.markOrigin = ev.pos()
self.marker.move(ev.pos())
self.marker.resize(QSize())
self.marker.show()
#~ ev.accept()
def dragEnterEvent(self, ev):
if ev.mimeData().hasUrls():
ev.setDropAction(Qt.CopyAction)
ev.accept()
def dropEvent(self, ev):
if ev.mimeData().hasUrls():
ev.setDropAction(Qt.CopyAction)
ev.accept()
self.fileDropped.emit(ev.mimeData().urls()[0])
