def mouseMoveEvent(self, event):
if QLineF(event.screenPos(),
event.buttonDownScreenPos(Qt.LeftButton)).length() < QApplication.startDragDistance():
return
print "AtomItem::mouseMoveEvent"
drag = QDrag(event.widget())
mime = QMimeData()
# A weak solution that could not be implemented in
# C++
mime.atom = self.atom
mime.atom_item = self
drag.setMimeData(mime)
mime.setText("Atom")
pixmap = QPixmap(int(self.boundingRect().width()),
int(self.boundingRect().height()))
pixmap.fill(Qt.white)
painter = QPainter(pixmap)
painter.setRenderHint(QPainter.Antialiasing)
self.paint(painter, QStyleOptionGraphicsItem(), event.widget())
painter.end()
pixmap.setMask(pixmap.createHeuristicMask())
drag.setPixmap(pixmap)
drag.setHotSpot(QPoint(int(self.boundingRect().width()/2.0), int(self.boundingRect().height()/2.0)))
drag.exec_()
self.setCursor(Qt.OpenHandCursor)
def mouseMoveEvent(self, event):
if QLineF(event.screenPos(),
event.buttonDownScreenPos(Qt.LeftButton)).length() < QApplication.startDragDistance():
return
drag = QDrag(event.widget())
mime = QMimeData()
drag.setMimeData(mime)
mime.setText("ExpressionBasedForce")
pixmap = QPixmap(int(self.boundingRect().width()),
int(self.boundingRect().height()))
pixmap.fill(Qt.white)
painter = QPainter(pixmap)
painter.setRenderHint(QPainter.Antialiasing)
self.paint(painter, QStyleOptionGraphicsItem(), event.widget())
painter.end()
pixmap.setMask(pixmap.createHeuristicMask())
drag.setPixmap(pixmap)
drag.setHotSpot(QPoint(int(self.boundingRect().width()/2.0), int(self.boundingRect().height()/2.0)))
drag.exec_()
self.setCursor(Qt.OpenHandCursor)
def paintEvent(self, event):
""" A custom paint event handler which draws the image according
to the current size constraints.
"""
pixmap = self._pixmap
if pixmap is None:
return
pm_size = pixmap.size()
pm_width = pm_size.width()
pm_height = pm_size.height()
if pm_width == 0 or pm_height == 0:
return
width = self.size().width()
height = self.size().height()
if not self._scaled_contents:
# If the image isn't scaled, it is centered if possible.
# Otherwise, it's painted at the origin and clipped.
paint_x = max(0, int(width / 2. - pm_width / 2.))
paint_y = max(0, int(height / 2. - pm_height / 2.))
paint_width = pm_width
paint_height = pm_height
else:
# If the image *is* scaled, it's scaled size depends on the
# size of the paint area as well as the other scaling flags.
if self._preserve_aspect_ratio:
pm_ratio = float(pm_width) / pm_height
ratio = float(width) / height
if ratio >= pm_ratio:
if self._allow_upscaling:
paint_height = height
else:
paint_height = min(pm_height, height)
paint_width = int(paint_height * pm_ratio)
else:
if self._allow_upscaling:
paint_width = width
else:
paint_width = min(pm_width, width)
paint_height = int(paint_width / pm_ratio)
else:
if self._allow_upscaling:
paint_height = height
paint_width = width
else:
paint_height = min(pm_height, height)
paint_width = min(pm_width, width)
# In all cases of scaling, we know that the scaled image is
# no larger than the paint area, and can thus be centered.
paint_x = int(width / 2. - paint_width / 2.)
paint_y = int(height / 2. - paint_height / 2.)
# Finally, draw the pixmap into the calculated rect.
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(paint_x, paint_y, paint_width, paint_height, pixmap)
def paintEvent(self, event):
super().paintEvent(event)
if self.painter is None:
self.painter = QPainter()
self.painter.begin(self)
if self.image:
self.painter.drawImage(QPoint(0, 0), self.image)
self.painter.end()
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
c = QColor()
c.setNamedColor(self._window_bgcolor)
h, s, l, a = c.getHsl()
c.setHsl(h, s, 100, a)
pen = QPen(c, 8, QtCore.Qt.SolidLine)
qp.setPen(pen)
qp.drawRoundedRect(event.rect(), 12, 12)
qp.end()
def paintEvent(self, event):
super(QMapWidget, self).paintEvent(event)
qp = QPainter()
qp.begin(self)
for p in self._pix_maps:
qp.drawPixmap(0, 0, p)
qp.end()
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.Antialiasing)
self._draw_rim(event, qp)
self._draw_slices(event, qp)
self._draw_indicator(event, qp)
qp.end()
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.Antialiasing)
self._draw_rim(event, qp)
self._draw_slices(event, qp)
self._draw_indicator(event, qp)
qp.end()
def paintEvent(self, event):
"""A custom paint event handler which draws the image according
to the current size constraints.
"""
pixmap = self._pixmap
if pixmap is None:
super().paintEvent(event)
return
pm_size = pixmap.size()
pm_width = pm_size.width()
pm_height = pm_size.height()
if pm_width == 0 or pm_height == 0:
super().paintEvent(event)
width = self.size().width()
height = self.size().height()
if not self._scaled_contents:
# If the image isn't scaled, it is centered if possible.
# Otherwise, it's painted at the origin and clipped.
paint_x = max(0, int(width / 2.0 - pm_width / 2.0))
paint_y = max(0, int(height / 2.0 - pm_height / 2.0))
paint_width = pm_width
paint_height = pm_height
else:
# If the image *is* scaled, it's scaled size depends on the
# size of the paint area as well as the other scaling flags.
if self._preserve_aspect_ratio:
pm_ratio = float(pm_width) / pm_height
ratio = float(width) / height
if ratio >= pm_ratio:
if self._allow_upscaling:
paint_height = height
else:
paint_height = min(pm_height, height)
paint_width = int(paint_height * pm_ratio)
else:
if self._allow_upscaling:
paint_width = width
else:
paint_width = min(pm_width, width)
paint_height = int(paint_width / pm_ratio)
else:
if self._allow_upscaling:
paint_height = height
paint_width = width
else:
paint_height = min(pm_height, height)
paint_width = min(pm_width, width)
# In all cases of scaling, we know that the scaled image is
# no larger than the paint area, and can thus be centered.
paint_x = int(width / 2.0 - paint_width / 2.0)
paint_y = int(height / 2.0 - paint_height / 2.0)
# Finally, draw the pixmap into the calculated rect.
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform)
painter.drawPixmap(paint_x, paint_y, paint_width, paint_height, pixmap)
class ImageWidget(QVideoWidget):
"""Paints a QImage to the window body."""
def __init__(self, parent=None, image_func=None):
import numpy as np
super().__init__(parent)
self.image = QImage()
self._np_image = np.zeros(shape=(0, 0, 4))
self.painter = None
self.resizeEvent(None)
if image_func is None:
# Don't bother with creating an ndarray version
self.image_func = lambda image, bbox: image, self._np_image
else:
self.image_func = image_func
def resizeEvent(self, event):
s = self.size()
self.width = s.width()
self.height = s.height()
def setImage(self, image):
self.image, self._np_image = self.image_func(
image, (self.width, self.height)
)
self.update()
def paintEvent(self, event):
super().paintEvent(event)
if self.painter is None:
self.painter = QPainter()
self.painter.begin(self)
if self.image:
self.painter.drawImage(QPoint(0, 0), self.image)
self.painter.end()
def paintEvent(self, evt):
# print 'paint', self.color, self.text(), self.width(), self.height(), evt.rect().width()
qp = QPainter()
qp.begin(self)
qp.setBrush(QColor('#{}'.format(self.color[:-2])))
qp.drawRect(0, 0, self.width(), self.height())
qp.end()
qp.begin(self)
qp.setPen(self._get_text_color())
qp.drawText(evt.rect(), QtCore.Qt.AlignCenter, self.text())
qp.end()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
qp.setBrush(QColor(*self.value))
qp.drawRect(0, 0, self.bar_width, 20)
qp.end()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
qp.setBrush(self.value)
qp.drawRect(0, 5, self.width, self.height)
qp.end()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
self.plot_survey(qp)
qp.end()
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.Antialiasing)
qp.setBrush(self.color)
qp.setPen(self.color)
rect = event.rect()
x = rect.x()
w = rect.width()
lineheight = 16
print('-------------------')
print('lefts', self.lefts)
print('rights', self.rights)
print('-------------------')
ly = self._left_y + 5
ry = self._right_y + 5
rs=self.rights[:]
# offset=1
for i, l in enumerate(self.lefts):
path = QPainterPath()
sl, el = l[0], l[-1]
try:
r=rs[i]
sr, er = r[0], r[-1]
rs.pop(i)
# offset+=1
except IndexError:
sr, er = l[-1], l[-1]-1
y = ly + lineheight * sl
y2 = ry + lineheight * sr
path.moveTo(x, y)
path.lineTo(x, y + lineheight * (el - sl + 1))
path.lineTo(x + w, y2 + lineheight * (er - sr + 1))
path.lineTo(x + w, y2)
qp.drawPath(path)
for i, r in enumerate(rs):
path = QPainterPath()
sr, er = r[0], r[-1]
# try:
l=self.lefts[i]
sl, el = r[-1], r[-1]-1
# except IndexError:
# sl, el = l[-1]+2, l[-1]+1
# print sl, el
y = ly + lineheight * (sl)
y2 = ry + lineheight * (sr)
path.moveTo(x, y)
path.lineTo(x, y + lineheight * (el - sl + 1))
path.lineTo(x + w, y2 + lineheight * (er - sr + 1))
path.lineTo(x + w, y2)
qp.drawPath(path)
qp.end()
def paintEvent(self, event):
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.Antialiasing)
qp.setBrush(self.color)
qp.setPen(self.color)
rect = event.rect()
x = rect.x()
w = rect.width()
lineheight = 16
print('-------------------')
print('lefts', self.lefts)
print('rights', self.rights)
print('-------------------')
ly = self._left_y + 5
ry = self._right_y + 5
rs=self.rights[:]
# offset=1
for i, l in enumerate(self.lefts):
path = QPainterPath()
sl, el = l[0], l[-1]
try:
r=rs[i]
sr, er = r[0], r[-1]
rs.pop(i)
# offset+=1
except IndexError:
sr, er = l[-1], l[-1]-1
y = ly + lineheight * sl
y2 = ry + lineheight * sr
path.moveTo(x, y)
path.lineTo(x, y + lineheight * (el - sl + 1))
path.lineTo(x + w, y2 + lineheight * (er - sr + 1))
path.lineTo(x + w, y2)
qp.drawPath(path)
for i, r in enumerate(rs):
path = QPainterPath()
sr, er = r[0], r[-1]
# try:
l=self.lefts[i]
sl, el = r[-1], r[-1]-1
# except IndexError:
# sl, el = l[-1]+2, l[-1]+1
# print sl, el
y = ly + lineheight * (sl)
y2 = ry + lineheight * (sr)
path.moveTo(x, y)
path.lineTo(x, y + lineheight * (el - sl + 1))
path.lineTo(x + w, y2 + lineheight * (er - sr + 1))
path.lineTo(x + w, y2)
qp.drawPath(path)
qp.end()
def paintEvent(self, evt):
# print 'paint', self.color, self.text(), self.width(), self.height(), evt.rect().width()
qp = QPainter()
qp.begin(self)
qp.setBrush(QColor('#{}'.format(self.color[:-2])))
qp.drawRect(0, 0, self.width(), self.height())
qp.end()
qp.begin(self)
qp.setPen(self._get_text_color())
qp.drawText(evt.rect(), QtCore.Qt.AlignCenter, self.text())
qp.end()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
qp.setBrush(self.value)
qp.drawRect(0, 5, self.width, self.height)
qp.end()
def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
qp.setBrush(QColor(*self.value))
qp.drawRect(0, 0, self.bar_width, 20)
qp.end()