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