class IconGraphicsWidget(QGraphicsWidget):
"""
This class is responsible for visualization of icon with text
"""
def __init__(self, path_to_image):
super(IconGraphicsWidget, self).__init__()
self.initialize(path_to_image)
def initialize(self, path_to_image):
self.underlying_pixmap_item = QGraphicsPixmapItem()
self.underlying_pixmap_item.setPixmap(QPixmap(path_to_image))
self.image_width = self.underlying_pixmap_item.pixmap().width()
self.image_height = self.underlying_pixmap_item.pixmap().height()
self.text = "Default text"
self.horizontal_margin = 10
self.vertical_margin = 20
self.distance_to_text = 10
bounding_rectangle_width = 2*self.horizontal_margin + self.image_width
bounding_rectangle_height = 2*self.vertical_margin + self.image_height + self.distance_to_text
self.bounding_rectangle = QRectF(0, 0, bounding_rectangle_width, bounding_rectangle_height)
def paint(self, painter, option, widget=None):
assert isinstance(painter, QPainter)
painter.setBrush(Qt.white)
painter.drawRoundedRect(self.bounding_rectangle, 5, 5)
# Painting QPixmapItem element with it's own renderer
transform = painter.transform()
painter.translate(self.horizontal_margin, self.vertical_margin)
self.underlying_pixmap_item.paint(painter, option, widget)
painter.setTransform(transform)
painter.drawText(QRectF(self.horizontal_margin,
self.bounding_rectangle.height() - self.vertical_margin,
self.image_width,
painter.fontMetrics().height()
), self.text)
def boundingRect(self):
return self.bounding_rectangle
def sizeHint(self, which, constraint=QSizeF()):
return QSizeF(self.bounding_rectangle.width(), self.bounding_rectangle.height())
def shape(self):
path = QPainterPath()
path.addRoundedRect(self.bounding_rectangle, 5, 5)
return path
def setText(self, text):
self.text = text
self.update()
def initialize(self, path_to_image):
self.underlying_pixmap_item = QGraphicsPixmapItem()
self.underlying_pixmap_item.setPixmap(QPixmap(path_to_image))
self.image_width = self.underlying_pixmap_item.pixmap().width()
self.image_height = self.underlying_pixmap_item.pixmap().height()
self.text = "Default text"
self.horizontal_margin = 10
self.vertical_margin = 20
self.distance_to_text = 10
bounding_rectangle_width = 2*self.horizontal_margin + self.image_width
bounding_rectangle_height = 2*self.vertical_margin + self.image_height + self.distance_to_text
self.bounding_rectangle = QRectF(0, 0, bounding_rectangle_width, bounding_rectangle_height)
