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1 #!/usr/bin/python
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2
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3 from PyQt4.QtGui import *
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4 from PyQt4.QtCore import *
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72
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5 import sys, xml
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47
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6 import xml.dom.minidom as md
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44
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7
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56
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8 """
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53
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9 Author: Windel Bouwman
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10 Year: 2012
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11 Description: This script implements a diagram editor.
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12 run with python 3.x as:
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13 $ python [thisfile.py]
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44
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14 """
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15
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73
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16 def buildPath(pts):
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17 path = QPainterPath(pts[0])
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18 for pt in pts[1:]:
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19 path.lineTo(pt)
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20 return path
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55
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21
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74
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22 def equalSpace(n, l):
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23 offset = 15
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24 if n == 1:
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25 return [l / 2]
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26 elif n > 1:
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27 return [offset + (l - offset*2)/(n - 1)*i for i in range(n)]
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28 return []
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29
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49
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30 class Connection(QGraphicsPathItem):
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53
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31 """ Implementation of a connection between blocks """
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32 def __init__(self, fromPort, toPort):
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49
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33 super(Connection, self).__init__()
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34 self.pos2 = self.fromPort = self.toPort = None
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55
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35 self.setFlag(self.ItemIsSelectable, True)
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36 self.setFlag(self.ItemClipsToShape, True)
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73
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37 pen = QPen(Qt.blue, 2)
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38 pen.setCapStyle(Qt.RoundCap)
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39 self.setPen(pen)
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40 self.arrowhead = QGraphicsPathItem(self)
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41 self.arrowhead.setPath(buildPath([QPointF(0.0, 0.0), QPointF(-6.0, 10.0), QPointF(6.0, 10.0), QPointF(0.0, 0.0)]))
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42 self.arrowhead.setPen(pen)
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43 self.arrowhead.setBrush(QBrush(pen.color()))
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44 self.vias = []
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44
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45 self.setFromPort(fromPort)
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46
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46 self.setToPort(toPort)
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58
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47 def mouseDoubleClickEvent(self, event):
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48 pos = event.scenePos()
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49 pts = [self.getPos1()] + [v.pos() for v in self.vias] + [self.pos2]
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60
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50 idx = 0
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51 tidx = 0
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52 for p1, p2 in zip(pts[0:-1], pts[1:]):
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53 l1 = QLineF(p1, p2)
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54 l2 = QLineF(p1, pos)
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55 l3 = QLineF(pos, p2)
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56 d = l2.length() + l3.length() - l1.length()
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57 if d < 5:
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58 tidx = idx
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59 idx += 1
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60 self.addHandle(pos, tidx)
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61
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62 def addHandle(self, pos, idx=None):
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63 hi = HandleItem(self)
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64 if idx:
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65 self.vias.insert(idx, hi)
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58
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66 else:
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60
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67 self.vias.append(hi)
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68 def callback(p):
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69 self.updateLineStukken()
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60
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70 return p
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71 hi.posChangeCallbacks.append(callback)
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72 hi.setPos(pos)
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73 self.updateLineStukken()
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72
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74 def myDelete(self):
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75 scene = self.scene()
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76 if scene:
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77 self.setFromPort(None)
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78 self.setToPort(None)
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79 scene.removeItem(self)
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80 def setFromPort(self, fromPort):
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53
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81 if self.fromPort:
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82 self.fromPort.posCallbacks.remove(self.setBeginPos)
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83 self.fromPort.connection = None
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84 self.fromPort = fromPort
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85 if self.fromPort:
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86 self.fromPort.connection = self
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87 self.updateLineStukken()
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88 self.fromPort.posCallbacks.append(self.setBeginPos)
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89 def setToPort(self, toPort):
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90 if self.toPort:
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91 self.toPort.posCallbacks.remove(self.setEndPos)
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92 self.toPort.connection = None
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93 self.toPort = toPort
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94 if self.toPort:
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95 self.setEndPos(toPort.scenePos())
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96 self.toPort.connection = self
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97 self.toPort.posCallbacks.append(self.setEndPos)
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98 def getPos1(self):
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99 if self.fromPort:
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100 return self.fromPort.scenePos()
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101 def setBeginPos(self, pos1):
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102 self.updateLineStukken()
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103 def setEndPos(self, endpos):
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104 self.pos2 = endpos
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105 self.updateLineStukken()
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106 def itemChange(self, change, value):
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107 if change == self.ItemSelectedHasChanged:
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60
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108 for via in self.vias:
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109 via.setVisible(value)
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110 return super(Connection, self).itemChange(change, value)
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111 def shape(self):
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112 return self.myshape
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113 def updateLineStukken(self):
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114 """
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115 This algorithm determines the optimal routing of all signals.
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116 TODO: implement nice automatic line router
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117 """
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118 pos1 = self.getPos1()
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119 if pos1 is None or self.pos2 is None:
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120 return
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121 pts = [pos1] + [v.pos() for v in self.vias] + [self.pos2]
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122 self.arrowhead.setPos(self.pos2)
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123 if pts[-1].x() < pts[-2].x():
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124 self.arrowhead.setRotation(-90)
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125 else:
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126 self.arrowhead.setRotation(90)
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127 self.setPath(buildPath(pts))
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128 """ Create a shape outline using the path stroker """
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129 s = super(Connection, self).shape()
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130 pps = QPainterPathStroker()
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131 pps.setWidth(10)
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132 self.myshape = pps.createStroke(s).simplified()
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133
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134 class ParameterDialog(QDialog):
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135 def __init__(self, block, parent = None):
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136 super(ParameterDialog, self).__init__(parent)
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137 self.block = block
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138 self.button = QPushButton('Ok', self)
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139 l = QGridLayout(self)
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140 l.addWidget(QLabel('Name:', self), 0, 0)
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51
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141 self.nameEdit = QLineEdit(self.block.name)
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142 l.addWidget(self.nameEdit, 0, 1)
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143 l.addWidget(QLabel('Code:', self), 1, 0)
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144 self.codeEdit = QTextEdit(self)
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145 self.codeEdit.setPlainText(self.block.code)
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146 l.addWidget(self.codeEdit, 1, 1)
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147 l.addWidget(self.button, 2, 0, 1, 2)
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148 self.button.clicked.connect(self.OK)
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149 def OK(self):
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150 self.block.setName(self.nameEdit.text())
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151 self.block.code = self.codeEdit.toPlainText()
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152 self.close()
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56
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153
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53
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154 class PortItem(QGraphicsPathItem):
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155 """ Represents a port to a subsystem """
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156 def __init__(self, name, block, direction):
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157 super(PortItem, self).__init__(block)
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158 self.connection = None
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159 path = QPainterPath()
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160 d = 10.0
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53
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161 if direction == 'input':
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162 path.moveTo(-d, -d)
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163 path.lineTo(0.0, 0.0)
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164 path.lineTo(-d, d)
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165 else:
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166 path.moveTo(0.0, -d)
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167 path.lineTo(d, 0.0)
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168 path.lineTo(0.0, d)
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169 self.setPath(path)
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170 self.direction = direction
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171 self.block = block
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172 self.setCursor(QCursor(Qt.CrossCursor))
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173 pen = QPen(Qt.blue, 2)
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174 pen.setCapStyle(Qt.RoundCap)
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175 self.setPen(pen)
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176 self.textItem = QGraphicsTextItem(name, self)
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177 self.setName(name)
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178 self.posCallbacks = []
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179 self.setFlag(self.ItemSendsScenePositionChanges, True)
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180 def setName(self, name):
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181 self.name = name
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182 self.textItem.setPlainText(name)
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183 rect = self.textItem.boundingRect()
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184 lw, lh = rect.width(), rect.height()
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185 if self.direction == 'input':
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186 lx = 3
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187 else:
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188 lx = -3 - lw
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189 self.textItem.setPos(lx, -lh / 2)
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190 def itemChange(self, change, value):
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191 if change == self.ItemScenePositionHasChanged:
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192 for cb in self.posCallbacks:
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193 cb(value)
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194 return value
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195 return super(PortItem, self).itemChange(change, value)
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196 def mousePressEvent(self, event):
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197 if self.direction == 'output':
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198 self.scene().startConnection(self)
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199
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200 class OutputPort(PortItem):
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201 # TODO: create a subclass OR make a member porttype
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202 pass
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203
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44
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204 # Block part:
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205 class HandleItem(QGraphicsEllipseItem):
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206 """ A handle that can be moved by the mouse """
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207 def __init__(self, parent=None):
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208 dx = 13.0
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209 super(HandleItem, self).__init__(QRectF(-0.5*dx,-0.5*dx,dx,dx), parent)
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210 self.posChangeCallbacks = []
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211 self.setBrush(QBrush(Qt.white))
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212 self.setFlag(self.ItemSendsScenePositionChanges, True)
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213 self.setFlag(self.ItemIsMovable, True)
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214 self.setVisible(False)
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215 self.setCursor(QCursor(Qt.SizeFDiagCursor))
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216 def mouseMoveEvent(self, event):
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217 """ Move function without moving the other selected elements """
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218 p = self.mapToParent(event.pos())
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219 self.setPos(p)
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220 def itemChange(self, change, value):
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221 if change == self.ItemPositionChange:
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222 for cb in self.posChangeCallbacks:
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223 res = cb(value)
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224 if res:
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225 value = res
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226 return value
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227 # Call superclass method:
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228 return super(HandleItem, self).itemChange(change, value)
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229
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230 def uniqify(name, names):
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231 newname = name
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232 i = 1
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233 while newname in names:
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234 newname = name + str(i)
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235 i += 1
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236 return newname
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237
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238 class BlockItem(QGraphicsRectItem):
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239 """
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240 Represents a block in the diagram
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241 Has an x and y and width and height
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242 width and height can only be adjusted with a tip in the lower right corner.
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243
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244 - in and output ports
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245 - parameters
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246 - description
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247 """
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248 def __init__(self, name='Untitled', parent=None):
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249 super(BlockItem, self).__init__(parent)
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250 # Properties of the rectangle:
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251 self.setPen(QPen(Qt.blue, 2))
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252 self.setBrush(QBrush(Qt.lightGray))
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253 self.setFlags(self.ItemIsSelectable | self.ItemIsMovable)
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254 self.setFlag(self.ItemSendsScenePositionChanges, True)
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255 self.setCursor(QCursor(Qt.PointingHandCursor))
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256 self.label = QGraphicsTextItem(name, self)
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257 self.name = name
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258 self.code = ''
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259 # Create corner for resize:
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260 self.sizer = HandleItem(self)
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261 self.sizer.posChangeCallbacks.append(self.changeSize) # Connect the callback
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262 button = QPushButton('+in')
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263 button.clicked.connect(self.newInputPort)
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264 self.buttonItemAddInput = QGraphicsProxyWidget(self)
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265 self.buttonItemAddInput.setWidget(button)
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266 self.buttonItemAddInput.setVisible(False)
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267 button = QPushButton('+out')
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268 button.clicked.connect(self.newOutputPort)
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269 self.buttonItemAddOutput = QGraphicsProxyWidget(self)
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270 self.buttonItemAddOutput.setWidget(button)
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271 self.buttonItemAddOutput.setVisible(False)
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44
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272 # Inputs and outputs of the block:
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273 self.inputs = []
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274 self.outputs = []
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275 # Update size:
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276 self.sizer.setPos(QPointF(60, 40)) # This is a better resize function
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44
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277 def editParameters(self):
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278 pd = ParameterDialog(self, self.window())
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279 pd.exec_()
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59
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280 def mouseDoubleClickEvent(self, event):
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281 self.editParameters()
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58
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282 def newInputPort(self):
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283 names = [i.name for i in self.inputs + self.outputs]
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284 self.addInput(PortItem(uniqify('in', names), self, 'input'))
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285 def newOutputPort(self):
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286 names = [i.name for i in self.inputs + self.outputs]
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287 self.addOutput(PortItem(uniqify('out', names), self, 'output'))
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288 def setName(self, name):
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289 self.name = name
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290 self.label.setPlainText(name)
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291 def addInput(self, i):
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292 self.inputs.append(i)
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293 self.updateSize()
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294 def addOutput(self, o):
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295 self.outputs.append(o)
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296 self.updateSize()
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44
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297 def contextMenuEvent(self, event):
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298 menu = QMenu()
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299 pa = menu.addAction('Parameters')
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300 pa.triggered.connect(self.editParameters)
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301 menu.exec_(event.screenPos())
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302 def itemChange(self, change, value):
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303 if change == self.ItemSelectedHasChanged:
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304 for child in [self.sizer, self.buttonItemAddInput, self.buttonItemAddOutput]:
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305 child.setVisible(value)
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306 return super(BlockItem, self).itemChange(change, value)
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307 def myDelete(self):
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308 scene = self.scene()
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309 if scene:
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310 for p in self.inputs + self.outputs:
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311 if p.connection:
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312 p.connection.myDelete()
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313 scene.removeItem(self)
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314 def updateSize(self):
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315 rect = self.rect()
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316 h, w = rect.height(), rect.width()
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317 self.buttonItemAddInput.setPos(0, h + 4)
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318 self.buttonItemAddOutput.setPos(w+10, h+4)
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319 for inp, y in zip(self.inputs, equalSpace(len(self.inputs), h)):
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320 inp.setPos(0.0, y)
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321 for outp, y in zip(self.outputs, equalSpace(len(self.outputs), h)):
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322 outp.setPos(w, y)
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55
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323 def changeSize(self, p):
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324 h = 20 if p.y() < 20 else p.y()
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325 w = 40 if p.x() < 40 else p.x()
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326 self.setRect(0.0, 0.0, w, h)
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327 rect = self.label.boundingRect()
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328 self.label.setPos((w - rect.width()) / 2, (h - rect.height()) / 2)
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329 self.updateSize()
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330 return QPointF(w, h)
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44
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331
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332 class EditorGraphicsView(QGraphicsView):
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72
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333 def __init__(self, parent=None):
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334 QGraphicsView.__init__(self, parent)
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335 scene = DiagramScene(self)
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336 self.diagramScene = scene
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337 self.setScene(scene)
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54
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338 self.setDragMode(QGraphicsView.RubberBandDrag)
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72
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339 testShortcut = QShortcut(QKeySequence("F12"), self)
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340 testShortcut.activated.connect(self.test)
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341 delShort = QShortcut(QKeySequence.Delete, self)
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342 delShort.activated.connect(scene.deleteItems)
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343 self.loadDiagram = scene.loadDiagram
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344 def save(self):
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345 self.diagramScene.saveDiagram('diagram2.usd')
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346 def load(self):
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347 filename = QFileDialog.getOpenFileName(self)
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348 self.diagramScene.loadDiagram(filename)
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349 def zoomAll(self):
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350 """ zoom to fit all items """
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351 rect = self.diagramScene.itemsBoundingRect()
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352 self.fitInView(rect, Qt.KeepAspectRatio)
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353 def test(self):
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354 self.rotate(30)
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355 self.zoomAll()
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55
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356 def wheelEvent(self, event):
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357 pos = event.pos()
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358 posbefore = self.mapToScene(pos)
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359 degrees = event.delta() / 8.0
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360 sx = (100.0 + degrees) / 100.0
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361 self.scale(sx, sx)
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362 event.accept()
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44
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363 def dragEnterEvent(self, event):
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364 if event.mimeData().hasFormat('component/name'):
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365 event.accept()
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366 def dragMoveEvent(self, event):
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367 if event.mimeData().hasFormat('component/name'):
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368 event.accept()
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369 def dropEvent(self, event):
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370 if event.mimeData().hasFormat('component/name'):
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48
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371 name = bytes(event.mimeData().data('component/name')).decode()
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58
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372 pos = self.mapToScene(event.pos())
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373 self.scene().addNewBlock(pos, name)
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44
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374
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375 class LibraryModel(QStandardItemModel):
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376 def __init__(self, parent=None):
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377 QStandardItemModel.__init__(self, parent)
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378 def mimeTypes(self):
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379 return ['component/name']
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380 def mimeData(self, idxs):
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381 mimedata = QMimeData()
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382 for idx in idxs:
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383 if idx.isValid():
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45
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384 txt = self.data(idx, Qt.DisplayRole) # python 3
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44
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385 mimedata.setData('component/name', txt)
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386 return mimedata
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387
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|
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388 class DiagramScene(QGraphicsScene):
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54
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389 """ Save and load and deletion of item"""
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44
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390 def __init__(self, parent=None):
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|
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391 super(DiagramScene, self).__init__(parent)
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56
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392 self.startedConnection = None
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46
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393 def saveDiagram(self, filename):
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54
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394 items = self.items()
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46
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395 blocks = [item for item in items if type(item) is BlockItem]
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49
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396 connections = [item for item in items if type(item) is Connection]
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47
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397 doc = md.Document()
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398 modelElement = doc.createElement('system')
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399 doc.appendChild(modelElement)
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400 for block in blocks:
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401 blockElement = doc.createElement("block")
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402 x, y = block.scenePos().x(), block.scenePos().y()
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403 rect = block.rect()
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404 w, h = rect.width(), rect.height()
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50
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405 blockElement.setAttribute("name", block.name)
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49
|
406 blockElement.setAttribute("x", str(int(x)))
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407 blockElement.setAttribute("y", str(int(y)))
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408 blockElement.setAttribute("width", str(int(w)))
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409 blockElement.setAttribute("height", str(int(h)))
|
|
60
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410 codeNode = doc.createCDATASection(block.code)
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411 codeElement = doc.createElement('code')
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412 codeElement.appendChild(codeNode)
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413 blockElement.appendChild(codeElement)
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48
|
414 for inp in block.inputs:
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415 portElement = doc.createElement("input")
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416 portElement.setAttribute("name", inp.name)
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|
417 blockElement.appendChild(portElement)
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|
|
418 for outp in block.outputs:
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|
419 portElement = doc.createElement("output")
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420 portElement.setAttribute("name", outp.name)
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|
|
421 blockElement.appendChild(portElement)
|
|
47
|
422 modelElement.appendChild(blockElement)
|
|
49
|
423 for connection in connections:
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|
|
424 connectionElement = doc.createElement("connection")
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|
|
425 fromPort = connection.fromPort.name
|
|
|
426 toPort = connection.toPort.name
|
|
50
|
427 fromBlock = connection.fromPort.block.name
|
|
|
428 toBlock = connection.toPort.block.name
|
|
49
|
429 connectionElement.setAttribute("fromBlock", fromBlock)
|
|
|
430 connectionElement.setAttribute("fromPort", fromPort)
|
|
|
431 connectionElement.setAttribute("toBlock", toBlock)
|
|
|
432 connectionElement.setAttribute("toPort", toPort)
|
|
60
|
433 for via in connection.vias:
|
|
|
434 viaElement = doc.createElement('via')
|
|
|
435 viaElement.setAttribute('x', str(int(via.x())))
|
|
|
436 viaElement.setAttribute('y', str(int(via.y())))
|
|
|
437 connectionElement.appendChild(viaElement)
|
|
49
|
438 modelElement.appendChild(connectionElement)
|
|
46
|
439 with open(filename, 'w') as f:
|
|
47
|
440 f.write(doc.toprettyxml())
|
|
46
|
441
|
|
|
442 def loadDiagram(self, filename):
|
|
|
443 try:
|
|
47
|
444 doc = md.parse(filename)
|
|
46
|
445 except IOError as e:
|
|
|
446 print('{0} not found'.format(filename))
|
|
|
447 return
|
|
60
|
448 except xml.parsers.expat.ExpatError as e:
|
|
|
449 print('{0}'.format(e))
|
|
|
450 return
|
|
47
|
451 sysElements = doc.getElementsByTagName('system')
|
|
|
452 blockElements = doc.getElementsByTagName('block')
|
|
|
453 for sysElement in sysElements:
|
|
|
454 blockElements = sysElement.getElementsByTagName('block')
|
|
|
455 for blockElement in blockElements:
|
|
|
456 x = float(blockElement.getAttribute('x'))
|
|
|
457 y = float(blockElement.getAttribute('y'))
|
|
|
458 w = float(blockElement.getAttribute('width'))
|
|
|
459 h = float(blockElement.getAttribute('height'))
|
|
|
460 name = blockElement.getAttribute('name')
|
|
|
461 block = BlockItem(name)
|
|
54
|
462 self.addItem(block)
|
|
46
|
463 block.setPos(x, y)
|
|
|
464 block.sizer.setPos(w, h)
|
|
60
|
465 codeElements = blockElement.getElementsByTagName('code')
|
|
|
466 if codeElements:
|
|
|
467 cn = codeElements[0].childNodes
|
|
|
468 cdatas = [cd for cd in cn if type(cd) is md.CDATASection]
|
|
|
469 if len(cdatas) > 0:
|
|
|
470 block.code = cdatas[0].data
|
|
48
|
471 # Load ports:
|
|
49
|
472 portElements = blockElement.getElementsByTagName('input')
|
|
48
|
473 for portElement in portElements:
|
|
49
|
474 name = portElement.getAttribute('name')
|
|
53
|
475 inp = PortItem(name, block, 'input')
|
|
49
|
476 block.addInput(inp)
|
|
|
477 portElements = blockElement.getElementsByTagName('output')
|
|
|
478 for portElement in portElements:
|
|
|
479 name = portElement.getAttribute('name')
|
|
53
|
480 outp = PortItem(name, block, 'output')
|
|
49
|
481 block.addOutput(outp)
|
|
48
|
482 connectionElements = sysElement.getElementsByTagName('connection')
|
|
|
483 for connectionElement in connectionElements:
|
|
50
|
484 fromBlock = connectionElement.getAttribute('fromBlock')
|
|
|
485 fromPort = connectionElement.getAttribute('fromPort')
|
|
|
486 toBlock = connectionElement.getAttribute('toBlock')
|
|
|
487 toPort = connectionElement.getAttribute('toPort')
|
|
60
|
488 viaElements = connectionElement.getElementsByTagName('via')
|
|
50
|
489 fromPort = self.findPort(fromBlock, fromPort)
|
|
|
490 toPort = self.findPort(toBlock, toPort)
|
|
|
491 connection = Connection(fromPort, toPort)
|
|
60
|
492 for viaElement in viaElements:
|
|
|
493 x = int(viaElement.getAttribute('x'))
|
|
|
494 y = int(viaElement.getAttribute('y'))
|
|
|
495 connection.addHandle(QPointF(x, y))
|
|
54
|
496 self.addItem(connection)
|
|
50
|
497 def findPort(self, blockname, portname):
|
|
54
|
498 items = self.items()
|
|
50
|
499 blocks = [item for item in items if type(item) is BlockItem]
|
|
|
500 for block in [b for b in blocks if b.name == blockname]:
|
|
|
501 for port in block.inputs + block.outputs:
|
|
|
502 if port.name == portname:
|
|
|
503 return port
|
|
58
|
504 def addNewBlock(self, pos, name):
|
|
|
505 blocknames = [item.name for item in self.items() if type(item) is BlockItem]
|
|
|
506 b1 = BlockItem(uniqify(name, blocknames))
|
|
|
507 b1.setPos(pos)
|
|
|
508 self.addItem(b1)
|
|
56
|
509 def mouseMoveEvent(self, event):
|
|
|
510 if self.startedConnection:
|
|
|
511 pos = event.scenePos()
|
|
|
512 self.startedConnection.setEndPos(pos)
|
|
|
513 super(DiagramScene, self).mouseMoveEvent(event)
|
|
|
514 def mouseReleaseEvent(self, event):
|
|
|
515 if self.startedConnection:
|
|
74
|
516 for item in self.items(event.scenePos()):
|
|
56
|
517 if type(item) is PortItem:
|
|
74
|
518 if item.direction == 'input' and item.connection == None:
|
|
|
519 self.startedConnection.setToPort(item)
|
|
|
520 self.startedConnection = None
|
|
|
521 return
|
|
72
|
522 self.startedConnection.myDelete()
|
|
56
|
523 self.startedConnection = None
|
|
|
524 super(DiagramScene, self).mouseReleaseEvent(event)
|
|
|
525 def startConnection(self, port):
|
|
|
526 self.startedConnection = Connection(port, None)
|
|
|
527 pos = port.scenePos()
|
|
|
528 self.startedConnection.setEndPos(pos)
|
|
|
529 self.addItem(self.startedConnection)
|
|
72
|
530 def deleteItems(self):
|
|
|
531 for item in list(self.selectedItems()):
|
|
|
532 item.myDelete()
|
|
61
|
533
|
|
|
534 class LibraryWidget(QListView):
|
|
|
535 def __init__(self):
|
|
|
536 super(LibraryWidget, self).__init__(None)
|
|
54
|
537 self.libraryModel = LibraryModel(self)
|
|
|
538 self.libraryModel.setColumnCount(1)
|
|
|
539 # Create an icon with an icon:
|
|
|
540 pixmap = QPixmap(60, 60)
|
|
|
541 pixmap.fill()
|
|
|
542 painter = QPainter(pixmap)
|
|
|
543 painter.fillRect(10, 10, 40, 40, Qt.blue)
|
|
|
544 painter.setBrush(Qt.yellow)
|
|
|
545 painter.drawEllipse(20, 20, 20, 20)
|
|
|
546 painter.end()
|
|
|
547
|
|
|
548 # Fill library:
|
|
|
549 self.libItems = []
|
|
|
550 self.libItems.append( QStandardItem(QIcon(pixmap), 'Block') )
|
|
|
551 self.libItems.append( QStandardItem(QIcon(pixmap), 'Uber Unit') )
|
|
|
552 self.libItems.append( QStandardItem(QIcon(pixmap), 'Device') )
|
|
|
553 for i in self.libItems:
|
|
|
554 self.libraryModel.appendRow(i)
|
|
61
|
555 self.setModel(self.libraryModel)
|
|
|
556 self.setViewMode(self.IconMode)
|
|
|
557 self.setDragDropMode(self.DragOnly)
|
|
54
|
558
|
|
61
|
559 class Main(QMainWindow):
|
|
|
560 def __init__(self):
|
|
|
561 super(Main, self).__init__(None)
|
|
72
|
562 self.editor = EditorGraphicsView()
|
|
61
|
563 self.setCentralWidget(self.editor)
|
|
|
564 self.setWindowTitle("Diagram editor")
|
|
|
565 toolbar = self.addToolBar('Tools')
|
|
72
|
566 def act(name, shortcut, callback):
|
|
|
567 a = QAction(name, self)
|
|
|
568 a.setShortcuts(shortcut)
|
|
|
569 a.triggered.connect(callback)
|
|
|
570 toolbar.addAction(a)
|
|
|
571 act('Save', QKeySequence.Save, self.editor.save)
|
|
|
572 act('Load', QKeySequence.Open, self.editor.load)
|
|
|
573 act('Full screen', QKeySequence("F11"), self.toggleFullScreen)
|
|
|
574 act('Fit in view', QKeySequence("F8"), self.editor.zoomAll)
|
|
61
|
575 self.library = LibraryWidget()
|
|
|
576 libraryDock = QDockWidget('Library', self)
|
|
|
577 libraryDock.setWidget(self.library)
|
|
|
578 self.addDockWidget(Qt.LeftDockWidgetArea, libraryDock)
|
|
|
579 self.editor.loadDiagram('diagram2.usd')
|
|
44
|
580 def toggleFullScreen(self):
|
|
|
581 self.setWindowState(self.windowState() ^ Qt.WindowFullScreen)
|
|
61
|
582 self.editor.zoomAll()
|
|
44
|
583
|
|
|
584 if __name__ == '__main__':
|
|
45
|
585 if sys.version_info.major != 3:
|
|
|
586 print('Please use python 3.x')
|
|
|
587 sys.exit(1)
|
|
46
|
588 app = QApplication(sys.argv)
|
|
61
|
589 main = Main()
|
|
|
590 main.show()
|
|
|
591 main.resize(700, 500)
|
|
|
592 main.editor.zoomAll()
|
|
44
|
593 app.exec_()
|
|
|
594
|
