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from fbs_runtime.application_context.PyQt5 import ApplicationContext
from PyQt5.QtCore import Qt
from PyQt5.QtGui import (QBrush, QColor, QImage, QPainter,
QPalette)
from PyQt5.QtWidgets import (QApplication, QComboBox, QDialog, QGraphicsScene,
QGraphicsView, QGridLayout, QHBoxLayout, QLabel,
QMessageBox, QPushButton, QStyleFactory)
from utils.sizes import paperSizes
import sys
class appWindow(QDialog):
def __init__(self, parent=None):
super(appWindow, self).__init__(parent)
self._ppi = 72
self._canvasSize = "A0"
self.resize(1280, 720)
self.painter = QGraphicsScene(0, 0, *paperSizes[self.canvasSize][self.ppi])
self.painter.setBackgroundBrush(QBrush(Qt.white))
self.createToolbar()
self.canvas = QGraphicsView(self.painter)
mainLayout = QGridLayout()
mainLayout.addLayout(self.topLayout, 0, 0, 1, -1)
mainLayout.addWidget(self.canvas, 1, 0, -1, -1)
self.setLayout(mainLayout)
def createToolbar(self):
self.topLayout = QHBoxLayout()
sizeComboBox = QComboBox()
sizeComboBox.addItems([f'A{i}' for i in range(5)])
sizeComboBox.activated[str].connect(self.setCanvasSize)
sizeLabel = QLabel("Canvas Size")
sizeLabel.setBuddy(sizeComboBox)
self.topLayout.addWidget(sizeLabel)
self.topLayout.addWidget(sizeComboBox)
ppiComboBox = QComboBox()
ppiComboBox.addItems(["72", "96", "150", "300"])
ppiComboBox.activated[str].connect(self.setCanvasPPI)
ppiLabel = QLabel("Canvas ppi")
ppiLabel.setBuddy(ppiComboBox)
self.topLayout.addWidget(ppiLabel)
self.topLayout.addWidget(ppiComboBox)
def setCanvasSize(self, size):
self.canvasSize = size
def setCanvasPPI(self, ppi):
self.ppi = ppi
@property
def canvasSize(self):
return self._canvasSize
@property
def ppi(self):
return self._ppi
@canvasSize.setter
def canvasSize(self, size):
self._canvasSize = size
if self.painter:
self.painter.setSceneRect(0, 0, *paperSizes[self.canvasSize][self.ppi])
print(*paperSizes[self.canvasSize][self.ppi])
@ppi.setter
def ppi(self, ppi):
self._ppi = int(ppi)
if self.painter:
self.painter.setSceneRect(0, 0, *paperSizes[self.canvasSize][self.ppi])
print(*paperSizes[self.canvasSize][self.ppi])
if __name__ == '__main__':
app = ApplicationContext() # 1. Instantiate ApplicationContext
test = appWindow()
test.show()
exit_code = app.app.exec_() # 2. Invoke appctxt.app.exec_()
sys.exit(exit_code)
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