xrandroll/monitor_item.py

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Python
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2020-01-31 17:27:59 +00:00
from PySide2.QtCore import Qt
from PySide2.QtWidgets import QGraphicsRectItem, QGraphicsTextItem
class MonitorItem(QGraphicsRectItem):
def __init__(self, *a, **kw):
super().__init__(*a, **kw)
self.setAcceptedMouseButtons(Qt.LeftButton)
self.label = QGraphicsTextItem(kw["name"], self)
label_scale = min(
self.rect().width() / self.label.boundingRect().width(),
self.rect().height() / self.label.boundingRect().height(),
)
self.label.setScale(label_scale)
def mousePressEvent(self, event):
self.setCursor(Qt.ClosedHandCursor)
self.orig_pos = self.pos()
def mouseReleaseEvent(self, event):
self.setCursor(Qt.OpenHandCursor)
def mouseMoveEvent(self, event):
view = event.widget().parent()
click_pos = event.buttonDownScreenPos(Qt.LeftButton)
current_pos = event.screenPos()
self.setPos(
view.mapToScene(view.mapFromScene(self.orig_pos) + current_pos - click_pos)
)