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from PyQt6.QtWidgets import QGraphicsScene, QGraphicsView, QSizePolicy
from PyQt6 import uic, QtGui, QtCore
from PyQt6.QtCore import Qt, QRect
import math
#https://forum.qt.io/topic/93327/how-can-i-use-qpainter-to-paint-on-qgraphicsview/5
#https://www.pythonguis.com/tutorials/pyqt6-bitmap-graphics/#qpainter
# to solve the fit problem: https://stackoverflow.com/questions/61886358/qgraphicsview-fitinview-not-working-as-expected
class EvtQGraphicsView(QGraphicsView):
def __init__(self, scene):
super().__init__(None)
self.setScene(scene)
def resizeEvent(self, event):
self.fitInView(self.sceneRect(), Qt.AspectRatioMode.IgnoreAspectRatio)
class EvtDrawerScene(QGraphicsScene):
def __init__(self, env):
self.gridWidth=2
super().__init__(None)
self.env=env
self.eventsRect=list()
self.eventsList=list()
self.calStateChanged()
def drawForeground(self, painter, rect):
self.eventsRect.clear()
origXF, origYF, widthF, heightF = rect.getRect()
origXI, origYI, widthI, heightI = (int(origXF),int(origYF),int(widthF),int(heightF))
self.drawEventsBG(painter,origXI, origYI, widthI, heightI)
self.drawEventsText(painter,origXI, origYI, widthI, heightI)
def drawEventsBG(self,painter,x,y,width,height):
# Init Pen
pen=QtGui.QPen()
pen.setWidth(self.gridWidth)
pen.setJoinStyle(Qt.PenJoinStyle.MiterJoin)
po=int(self.gridWidth/2) # Pen offset
painter.setPen(pen)
# Init Brush
brush=QtGui.QBrush()
brush.setColor(QtGui.QColor("#e5e5e5"))
brush.setStyle(Qt.BrushStyle.SolidPattern)
painter.setBrush(brush)
eventHeight=80
colorWidth=20
for e in self.eventsList:
r=QRect(x+po,y+po,width-po*2,eventHeight-po*2)
self.eventsRect.append(r)
painter.drawRect(r)
def drawEventsText(self,painter,x,y,width,height):
font=painter.font()
metric=QtGui.QFontMetrics(font);
labelH=metric.boundingRect("Hello event").height()
for i in range(0,len(self.eventsRect)):
e=self.eventsList[i]
r=self.eventsRect[i]
painter.drawText(r.x(),r.y()+labelH,"Hello event")
def calStateChanged(self):
s=self.env.calState.selection
self.eventsList=self.env.listEventsOn(s[0],s[1],s[2])
self.update()
class EvtDrawer():
def __init__(self, layout, env):
self.gs=EvtDrawerScene(env)
self.gv=EvtQGraphicsView(self.gs)
# Setup propertion
spLeft=QSizePolicy(QSizePolicy.Policy.Preferred,QSizePolicy.Policy.Preferred);
spLeft.setHorizontalStretch(1);
self.gv.setSizePolicy(spLeft);
# if jean:
# spLeft=QSizePolicy(QSizePolicy.Policy.Preferred,QSizePolicy.Policy.Preferred);
# spLeft.setHorizontalStretch(2);
# self.gv.setSizePolicy(spLeft);
# else:
# spLeft=QSizePolicy(QSizePolicy.Policy.Preferred,QSizePolicy.Policy.Preferred);
# spLeft.setHorizontalStretch(1);
# self.gv.setSizePolicy(spLeft);
layout.addWidget(self.gv)
def calStateChanged(self):
self.gs.calStateChanged()
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