eric6/Graphics/SvgDiagram.py

Sat, 11 Apr 2020 14:13:25 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 11 Apr 2020 14:13:25 +0200
changeset 7522
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parent 7360
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child 7533
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permissions
-rw-r--r--

Styles: added some Qt style sheets and some highlighter styles.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2008 - 2020 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a dialog showing a SVG graphic.
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8 """
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9
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11 from PyQt5.QtCore import Qt, QSize, QEvent
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12 from PyQt5.QtGui import QPalette, QPainter, QFont, QColor
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13 from PyQt5.QtWidgets import QSizePolicy, QScrollArea, QAction, QMenu, QToolBar
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14 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog
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15 from PyQt5.QtSvg import QSvgWidget
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16
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17 from E5Gui.E5MainWindow import E5MainWindow
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18 from E5Gui.E5ZoomWidget import E5ZoomWidget
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19
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20 import UI.Config
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21
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22 import Preferences
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23
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25 class SvgDiagram(E5MainWindow):
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26 """
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27 Class implementing a dialog showing a SVG graphic.
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28 """
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29 ZoomLevels = [
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30 1, 3, 5, 7, 9,
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31 10, 20, 30, 50, 67, 80, 90,
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32 100,
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33 110, 120, 133, 150, 170, 200, 240, 300, 400,
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34 500, 600, 700, 800, 900, 1000,
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35 ]
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36 ZoomLevelDefault = 100
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37
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38 def __init__(self, svgFile, parent=None, name=None):
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39 """
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40 Constructor
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41
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42 @param svgFile filename of a SVG graphics file to show (string)
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43 @param parent parent widget of the view (QWidget)
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44 @param name name of the view widget (string)
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45 """
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46 super(SvgDiagram, self).__init__(parent)
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47 if name:
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48 self.setObjectName(name)
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49 else:
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50 self.setObjectName("SvgDiagram")
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51 self.setWindowTitle(self.tr("SVG-Viewer"))
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52
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53 self.svgWidget = QSvgWidget()
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54 self.svgWidget.setObjectName("svgWidget")
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55 self.svgWidget.setBackgroundRole(QPalette.Base)
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56 self.svgWidget.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
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57
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58 self.svgView = QScrollArea()
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59 self.svgView.setObjectName("svgView")
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60 self.svgView.setBackgroundRole(QPalette.Dark)
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61 self.svgView.setWidget(self.svgWidget)
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62
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63 self.setCentralWidget(self.svgView)
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64
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65 self.__zoomWidget = E5ZoomWidget(
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66 UI.PixmapCache.getPixmap("zoomOut.png"),
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67 UI.PixmapCache.getPixmap("zoomIn.png"),
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68 UI.PixmapCache.getPixmap("zoomReset.png"), self)
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69 self.statusBar().addPermanentWidget(self.__zoomWidget)
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70 self.__zoomWidget.setMapping(
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71 SvgDiagram.ZoomLevels, SvgDiagram.ZoomLevelDefault)
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72 self.__zoomWidget.valueChanged.connect(self.__doZoom)
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73
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74 # polish up the dialog
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75 self.resize(QSize(800, 600).expandedTo(self.minimumSizeHint()))
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76
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77 self.zoom = 1.0
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78 self.svgFile = svgFile
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79 self.svgWidget.load(self.svgFile)
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80 self.svgWidget.resize(self.svgWidget.renderer().defaultSize())
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81
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82 self.__initActions()
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83 self.__initContextMenu()
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84 self.__initToolBars()
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85
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86 self.grabGesture(Qt.PinchGesture)
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87
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88 def __initActions(self):
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89 """
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90 Private method to initialize the view actions.
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91 """
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92 self.closeAct = QAction(
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93 UI.PixmapCache.getIcon("close.png"),
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94 self.tr("Close"), self)
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95 self.closeAct.triggered.connect(self.close)
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96
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97 self.printAct = QAction(
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98 UI.PixmapCache.getIcon("print.png"),
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99 self.tr("Print"), self)
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100 self.printAct.triggered.connect(self.__printDiagram)
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101
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102 self.printPreviewAct = QAction(
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103 UI.PixmapCache.getIcon("printPreview.png"),
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104 self.tr("Print Preview"), self)
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105 self.printPreviewAct.triggered.connect(self.__printPreviewDiagram)
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106
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107 def __initContextMenu(self):
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108 """
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109 Private method to initialize the context menu.
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110 """
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111 self.__menu = QMenu(self)
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112 self.__menu.addAction(self.closeAct)
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113 self.__menu.addSeparator()
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114 self.__menu.addAction(self.printPreviewAct)
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115 self.__menu.addAction(self.printAct)
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116
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117 self.setContextMenuPolicy(Qt.CustomContextMenu)
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118 self.customContextMenuRequested.connect(self.__showContextMenu)
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119
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120 def __showContextMenu(self, coord):
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121 """
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122 Private slot to show the context menu of the listview.
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123
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124 @param coord the position of the mouse pointer (QPoint)
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125 """
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126 self.__menu.popup(self.mapToGlobal(coord))
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127
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128 def __initToolBars(self):
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129 """
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130 Private method to populate the toolbars with our actions.
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131 """
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132 self.windowToolBar = QToolBar(self.tr("Window"), self)
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133 self.windowToolBar.setIconSize(UI.Config.ToolBarIconSize)
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134 self.windowToolBar.addAction(self.closeAct)
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135
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136 self.graphicsToolBar = QToolBar(self.tr("Graphics"), self)
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137 self.graphicsToolBar.setIconSize(UI.Config.ToolBarIconSize)
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138 self.graphicsToolBar.addAction(self.printPreviewAct)
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139 self.graphicsToolBar.addAction(self.printAct)
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140
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141 self.addToolBar(Qt.TopToolBarArea, self.windowToolBar)
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142 self.addToolBar(Qt.TopToolBarArea, self.graphicsToolBar)
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143
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144 def getDiagramName(self):
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145 """
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146 Public method to retrieve a name for the diagram.
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147
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148 @return name for the diagram
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149 """
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150 return self.svgFile
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151
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152 def wheelEvent(self, evt):
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153 """
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154 Protected method to handle wheel events.
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155
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156 @param evt reference to the wheel event (QWheelEvent)
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157 """
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158 if evt.modifiers() & Qt.ControlModifier:
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159 delta = evt.angleDelta().y()
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160 if delta < 0:
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161 self.__zoomOut()
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162 elif delta > 0:
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163 self.__zoomIn()
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164 evt.accept()
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165 return
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166
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167 super(SvgDiagram, self).wheelEvent(evt)
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168
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169 def event(self, evt):
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170 """
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171 Public method handling events.
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172
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173 @param evt reference to the event (QEvent)
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174 @return flag indicating, if the event was handled (boolean)
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175 """
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176 if evt.type() == QEvent.Gesture:
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177 self.gestureEvent(evt)
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178 return True
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179
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180 return super(SvgDiagram, self).event(evt)
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181
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182 def gestureEvent(self, evt):
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183 """
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184 Protected method handling gesture events.
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185
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186 @param evt reference to the gesture event (QGestureEvent
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187 """
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188 pinch = evt.gesture(Qt.PinchGesture)
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189 if pinch:
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190 if pinch.state() == Qt.GestureStarted:
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191 pinch.setTotalScaleFactor(self.__zoom() / 100)
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192 elif pinch.state() == Qt.GestureUpdated:
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193 self.__doZoom(int(pinch.totalScaleFactor() * 100))
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194 evt.accept()
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195
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196 ###########################################################################
0
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197 ## Private menu handling methods below.
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198 ###########################################################################
0
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199
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200 def __adjustScrollBar(self, scrollBar, factor):
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201 """
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202 Private method to adjust a scrollbar by a certain factor.
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203
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204 @param scrollBar reference to the scrollbar object (QScrollBar)
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205 @param factor factor to adjust by (float)
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206 """
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207 scrollBar.setValue(
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208 int(factor * scrollBar.value() +
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209 ((factor - 1) * scrollBar.pageStep() / 2)))
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210
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211 def __levelForZoom(self, zoom):
0
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212 """
2334
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213 Private method determining the zoom level index given a zoom factor.
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214
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215 @param zoom zoom factor (integer)
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216 @return index of zoom factor (integer)
0
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217 """
2334
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218 try:
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219 index = SvgDiagram.ZoomLevels.index(zoom)
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220 except ValueError:
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221 for index in range(len(SvgDiagram.ZoomLevels)):
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222 if zoom <= SvgDiagram.ZoomLevels[index]:
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223 break
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224 return index
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225
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226 def __doZoom(self, value):
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227 """
3591
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228 Private method to set the zoom value in percent.
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229
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230 @param value zoom value in percent (integer)
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231 """
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232 oldValue = self.__zoom()
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233 if value != oldValue:
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diff changeset
234 self.svgWidget.resize(value / 100 * self.svgWidget.sizeHint())
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235
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diff changeset
236 factor = value / oldValue
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diff changeset
237 self.__adjustScrollBar(self.svgView.horizontalScrollBar(), factor)
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238 self.__adjustScrollBar(self.svgView.verticalScrollBar(), factor)
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239
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diff changeset
240 self.__zoomWidget.setValue(value)
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241
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242 def __zoomIn(self):
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parents:
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243 """
2334
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244 Private method to zoom into the SVG.
0
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245 """
2334
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diff changeset
246 index = self.__levelForZoom(self.__zoom())
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247 if index < len(SvgDiagram.ZoomLevels) - 1:
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diff changeset
248 self.__doZoom(SvgDiagram.ZoomLevels[index + 1])
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249
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250 def __zoomOut(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
252 Private method to zoom out of the SVG.
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
254 index = self.__levelForZoom(self.__zoom())
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
255 if index > 0:
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
256 self.__doZoom(SvgDiagram.ZoomLevels[index - 1])
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 def __zoomReset(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
260 Private method to reset the zoom value.
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
261 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
262 self.__doZoom(SvgDiagram.ZoomLevels[SvgDiagram.ZoomLevelDefault])
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
263
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
264 def __zoom(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
265 """
3591
2f2a4a76dd22 Corrected a bunch of source docu issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3484
diff changeset
266 Private method to get the current zoom factor in percent.
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
267
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
268 @return current zoom factor in percent (integer)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
269 """
3034
7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
270 return int(self.svgWidget.width() /
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
271 self.svgWidget.sizeHint().width() * 100.0)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
272
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
273 def __printDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
274 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
275 Private slot called to print the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
276 """
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
277 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
278 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
279 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
280 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
281 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
282 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
283 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
284 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
285 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
286 printer.setPageOrder(QPrinter.LastPageFirst)
3048
83f86da6344e Fixed an issue causing trouble if the printer name is empty.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3035
diff changeset
287 printerName = Preferences.getPrinter("PrinterName")
83f86da6344e Fixed an issue causing trouble if the printer name is empty.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3035
diff changeset
288 if printerName:
3158
c91f976a2395 Fixed a severe issue assigning a name to a printer in several dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3048
diff changeset
289 printer.setPrinterName(printerName)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
290
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
291 printDialog = QPrintDialog(printer, self)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
292 if printDialog.exec_():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
293 self.__print(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
294
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295 def __printPreviewDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
296 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
297 Private slot called to show a print preview of the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
298 """
3656
441956d8fce5 Started porting eric5 to PyQt5.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3591
diff changeset
299 from PyQt5.QtPrintSupport import QPrintPreviewDialog
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
300
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
301 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
303 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
305 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310 printer.setPageOrder(QPrinter.LastPageFirst)
1155
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
311 printer.setPageMargins(
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
312 Preferences.getPrinter("LeftMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
313 Preferences.getPrinter("TopMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
314 Preferences.getPrinter("RightMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
315 Preferences.getPrinter("BottomMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
316 QPrinter.Millimeter
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
317 )
3048
83f86da6344e Fixed an issue causing trouble if the printer name is empty.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3035
diff changeset
318 printerName = Preferences.getPrinter("PrinterName")
83f86da6344e Fixed an issue causing trouble if the printer name is empty.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3035
diff changeset
319 if printerName:
3158
c91f976a2395 Fixed a severe issue assigning a name to a printer in several dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3048
diff changeset
320 printer.setPrinterName(printerName)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322 preview = QPrintPreviewDialog(printer, self)
483
ca7d8599a575 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 458
diff changeset
323 preview.paintRequested[QPrinter].connect(self.__print)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
324 preview.exec_()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326 def __print(self, printer):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
328 Private slot to the actual printing.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
329
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 @param printer reference to the printer object (QPrinter)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
331 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 painter = QPainter()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 painter.begin(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 # calculate margin and width of printout
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 font = QFont("times", 10)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
337 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338 fm = painter.fontMetrics()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339 fontHeight = fm.lineSpacing()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 marginX = printer.pageRect().x() - printer.paperRect().x()
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
341 marginX = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
342 Preferences.getPrinter("LeftMargin") *
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
343 int(printer.resolution() / 2.54) - marginX
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
344 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 marginY = printer.pageRect().y() - printer.paperRect().y()
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
346 marginY = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
347 Preferences.getPrinter("TopMargin") *
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
348 int(printer.resolution() / 2.54) - marginY
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
349 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
351 width = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
352 printer.width() - marginX -
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
353 Preferences.getPrinter("RightMargin") *
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
354 int(printer.resolution() / 2.54)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
355 )
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
356 height = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
357 printer.height() - fontHeight - 4 - marginY -
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
358 Preferences.getPrinter("BottomMargin") *
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
359 int(printer.resolution() / 2.54)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
360 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362 # write a foot note
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
363 s = self.tr("Diagram: {0}").format(self.getDiagramName())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364 tc = QColor(50, 50, 50)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
365 painter.setPen(tc)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366 painter.drawRect(marginX, marginY, width, height)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
367 painter.drawLine(marginX, marginY + height + 2,
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
368 marginX + width, marginY + height + 2)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 painter.drawText(marginX, marginY + height + 4, width,
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
371 fontHeight, Qt.AlignRight, s)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
372
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
373 # render the diagram
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
374 painter.setViewport(marginX, marginY, width, height)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
375 self.svgWidget.renderer().render(painter)
458
1695e7a2db54 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 454
diff changeset
376 painter.end()

eric ide

mercurial