eric6/Graphics/PixmapDiagram.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2004 - 2021 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 pixmap.
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8 """
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9
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10 from PyQt5.QtCore import Qt, QSize, QEvent
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11 from PyQt5.QtGui import QPalette, QImage, QPixmap, QPainter, QFont, QColor
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12 from PyQt5.QtWidgets import (
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13 QLabel, QSizePolicy, QScrollArea, QAction, QMenu, QToolBar
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14 )
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15 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog
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16
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17 from E5Gui import E5MessageBox
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18 from E5Gui.E5MainWindow import E5MainWindow
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19 from E5Gui.E5ZoomWidget import E5ZoomWidget
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20
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21 import UI.Config
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22
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23 import Preferences
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24
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25
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26 class PixmapDiagram(E5MainWindow):
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27 """
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28 Class implementing a dialog showing a pixmap.
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29 """
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30 ZoomLevels = [
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31 1, 3, 5, 7, 9,
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32 10, 20, 30, 50, 67, 80, 90,
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33 100,
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34 110, 120, 133, 150, 170, 200, 240, 300, 400,
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35 500, 600, 700, 800, 900, 1000,
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36 ]
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37 ZoomLevelDefault = 100
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38
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39 def __init__(self, pixmap, parent=None, name=None):
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40 """
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41 Constructor
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42
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43 @param pixmap filename of a graphics file to show (string)
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44 @param parent parent widget of the view (QWidget)
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45 @param name name of the view widget (string)
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46 """
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47 super(PixmapDiagram, self).__init__(parent)
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48 if name:
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49 self.setObjectName(name)
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50 else:
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51 self.setObjectName("PixmapDiagram")
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52 self.setWindowTitle(self.tr("Pixmap-Viewer"))
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53
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54 self.pixmapLabel = QLabel()
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55 self.pixmapLabel.setObjectName("pixmapLabel")
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56 self.pixmapLabel.setBackgroundRole(QPalette.Base)
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57 self.pixmapLabel.setSizePolicy(
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58 QSizePolicy.Ignored, QSizePolicy.Ignored)
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59 self.pixmapLabel.setScaledContents(True)
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60
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61 self.pixmapView = QScrollArea()
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62 self.pixmapView.setObjectName("pixmapView")
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63 self.pixmapView.setBackgroundRole(QPalette.Dark)
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64 self.pixmapView.setWidget(self.pixmapLabel)
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65
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66 self.setCentralWidget(self.pixmapView)
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67
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68 self.__zoomWidget = E5ZoomWidget(
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69 UI.PixmapCache.getPixmap("zoomOut"),
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70 UI.PixmapCache.getPixmap("zoomIn"),
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71 UI.PixmapCache.getPixmap("zoomReset"), self)
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72 self.statusBar().addPermanentWidget(self.__zoomWidget)
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73 self.__zoomWidget.setMapping(
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74 PixmapDiagram.ZoomLevels, PixmapDiagram.ZoomLevelDefault)
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75 self.__zoomWidget.valueChanged.connect(self.__doZoom)
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76
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77 # polish up the dialog
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78 self.resize(QSize(800, 600).expandedTo(self.minimumSizeHint()))
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79
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80 self.pixmapfile = pixmap
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81 self.status = self.__showPixmap(self.pixmapfile)
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82
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83 self.__initActions()
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84 self.__initContextMenu()
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85 self.__initToolBars()
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86
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87 self.grabGesture(Qt.PinchGesture)
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88
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89 def __initActions(self):
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90 """
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91 Private method to initialize the view actions.
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92 """
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93 self.closeAct = QAction(
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94 UI.PixmapCache.getIcon("close"),
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95 self.tr("Close"), self)
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96 self.closeAct.triggered.connect(self.close)
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97
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98 self.printAct = QAction(
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99 UI.PixmapCache.getIcon("print"),
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100 self.tr("Print"), self)
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101 self.printAct.triggered.connect(self.__printDiagram)
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102
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103 self.printPreviewAct = QAction(
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104 UI.PixmapCache.getIcon("printPreview"),
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105 self.tr("Print Preview"), self)
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106 self.printPreviewAct.triggered.connect(self.__printPreviewDiagram)
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107
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108 def __initContextMenu(self):
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109 """
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110 Private method to initialize the context menu.
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111 """
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112 self.__menu = QMenu(self)
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113 self.__menu.addAction(self.closeAct)
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114 self.__menu.addSeparator()
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115 self.__menu.addAction(self.printPreviewAct)
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116 self.__menu.addAction(self.printAct)
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117
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118 self.setContextMenuPolicy(Qt.CustomContextMenu)
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119 self.customContextMenuRequested.connect(self.__showContextMenu)
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120
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121 def __showContextMenu(self, coord):
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122 """
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123 Private slot to show the context menu of the listview.
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124
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125 @param coord the position of the mouse pointer (QPoint)
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126 """
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parents:
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127 self.__menu.popup(self.mapToGlobal(coord))
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128
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parents:
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129 def __initToolBars(self):
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parents:
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130 """
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parents:
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131 Private method to populate the toolbars with our actions.
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parents:
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132 """
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parents: 3160
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133 self.windowToolBar = QToolBar(self.tr("Window"), self)
0
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parents:
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134 self.windowToolBar.setIconSize(UI.Config.ToolBarIconSize)
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parents:
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135 self.windowToolBar.addAction(self.closeAct)
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136
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parents: 3160
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137 self.graphicsToolBar = QToolBar(self.tr("Graphics"), self)
0
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138 self.graphicsToolBar.setIconSize(UI.Config.ToolBarIconSize)
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139 self.graphicsToolBar.addAction(self.printPreviewAct)
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140 self.graphicsToolBar.addAction(self.printAct)
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141
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142 self.addToolBar(Qt.TopToolBarArea, self.windowToolBar)
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parents:
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143 self.addToolBar(Qt.TopToolBarArea, self.graphicsToolBar)
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144
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parents:
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145 def __showPixmap(self, filename):
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parents:
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146 """
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parents:
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147 Private method to show a file.
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148
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149 @param filename name of the file to be shown (string)
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150 @return flag indicating success (boolean)
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parents:
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151 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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152 image = QImage(filename)
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153 if image.isNull():
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parents: 2992
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154 E5MessageBox.warning(
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parents: 2992
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155 self,
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156 self.tr("Pixmap-Viewer"),
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157 self.tr(
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158 """<p>The file <b>{0}</b> cannot be displayed."""
0
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parents:
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159 """ The format is not supported.</p>""").format(filename))
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160 return False
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161
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162 self.pixmapLabel.setPixmap(QPixmap.fromImage(image))
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163 self.pixmapLabel.adjustSize()
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164 return True
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165
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166 def getDiagramName(self):
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167 """
3591
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parents: 3484
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168 Public method to retrieve a name for the diagram.
0
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169
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170 @return name for the diagram
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parents:
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171 """
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172 return self.pixmapfile
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173
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174 def getStatus(self):
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175 """
3591
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176 Public method to retrieve the status of the canvas.
0
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177
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178 @return flag indicating a successful pixmap loading (boolean)
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179 """
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180 return self.status
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181
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182 def wheelEvent(self, evt):
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183 """
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184 Protected method to handle wheel events.
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185
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186 @param evt reference to the wheel event (QWheelEvent)
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187 """
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188 if evt.modifiers() & Qt.ControlModifier:
7198
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189 delta = evt.angleDelta().y()
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190 if delta < 0:
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191 self.__zoomOut()
6081
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parents: 6048
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192 elif delta > 0:
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193 self.__zoomIn()
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194 evt.accept()
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195 return
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196
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parents: 2334
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197 super(PixmapDiagram, self).wheelEvent(evt)
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198
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199 def event(self, evt):
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200 """
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201 Public method handling events.
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202
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203 @param evt reference to the event (QEvent)
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204 @return flag indicating, if the event was handled (boolean)
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205 """
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parents: 1509
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206 if evt.type() == QEvent.Gesture:
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207 self.gestureEvent(evt)
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208 return True
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209
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210 return super(PixmapDiagram, self).event(evt)
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211
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212 def gestureEvent(self, evt):
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213 """
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214 Protected method handling gesture events.
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215
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216 @param evt reference to the gesture event (QGestureEvent
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parents: 1509
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217 """
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218 pinch = evt.gesture(Qt.PinchGesture)
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219 if pinch:
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220 if pinch.state() == Qt.GestureStarted:
5631
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parents: 5389
diff changeset
221 pinch.setTotalScaleFactor(self.__zoom() / 100)
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parents: 5389
diff changeset
222 elif pinch.state() == Qt.GestureUpdated:
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diff changeset
223 self.__doZoom(int(pinch.totalScaleFactor() * 100))
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224 evt.accept()
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225
2992
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parents: 2334
diff changeset
226 ###########################################################################
0
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227 ## Private menu handling methods below.
2992
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228 ###########################################################################
0
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229
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230 def __adjustScrollBar(self, scrollBar, factor):
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parents:
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231 """
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parents:
diff changeset
232 Private method to adjust a scrollbar by a certain factor.
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parents:
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233
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parents:
diff changeset
234 @param scrollBar reference to the scrollbar object (QScrollBar)
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parents:
diff changeset
235 @param factor factor to adjust by (float)
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parents:
diff changeset
236 """
4830
f609a22f43bd Fixed a few code style issues detected by the updated pep8 checker.
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parents: 4631
diff changeset
237 scrollBar.setValue(int(factor * scrollBar.value() +
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parents: 4631
diff changeset
238 ((factor - 1) * scrollBar.pageStep() / 2)))
0
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diff changeset
239
2334
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parents: 2302
diff changeset
240 def __levelForZoom(self, zoom):
0
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parents:
diff changeset
241 """
2334
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parents: 2302
diff changeset
242 Private method determining the zoom level index given a zoom factor.
0
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parents:
diff changeset
243
2334
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parents: 2302
diff changeset
244 @param zoom zoom factor (integer)
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parents: 2302
diff changeset
245 @return index of zoom factor (integer)
0
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parents:
diff changeset
246 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
247 try:
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parents: 2302
diff changeset
248 index = PixmapDiagram.ZoomLevels.index(zoom)
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parents: 2302
diff changeset
249 except ValueError:
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parents: 2302
diff changeset
250 for index in range(len(PixmapDiagram.ZoomLevels)):
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parents: 2302
diff changeset
251 if zoom <= PixmapDiagram.ZoomLevels[index]:
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
252 break
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
253 return index
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
254
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
255 def __doZoom(self, value):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
256 """
3591
2f2a4a76dd22 Corrected a bunch of source docu issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3484
diff changeset
257 Private method to set the zoom value in percent.
0
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parents:
diff changeset
258
2334
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parents: 2302
diff changeset
259 @param value zoom value in percent (integer)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
260 """
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
261 oldValue = self.__zoom()
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
262 if value != oldValue:
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
263 self.pixmapLabel.resize(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
264 value / 100 * self.pixmapLabel.pixmap().size())
2334
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parents: 2302
diff changeset
265
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
266 factor = value / oldValue
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
267 self.__adjustScrollBar(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
268 self.pixmapView.horizontalScrollBar(), factor)
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
269 self.__adjustScrollBar(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
270 self.pixmapView.verticalScrollBar(), factor)
2334
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parents: 2302
diff changeset
271
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
272 self.__zoomWidget.setValue(value)
0
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parents:
diff changeset
273
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
274 def __zoomIn(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
275 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
276 Private method to zoom into the pixmap.
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
277 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
278 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
279 if index < len(PixmapDiagram.ZoomLevels) - 1:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
280 self.__doZoom(PixmapDiagram.ZoomLevels[index + 1])
0
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parents:
diff changeset
281
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
282 def __zoomOut(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
283 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
284 Private method to zoom out of the pixmap.
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
285 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
286 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
287 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
288 self.__doZoom(PixmapDiagram.ZoomLevels[index - 1])
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
289
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
290 def __zoomReset(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
291 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
292 Private method to reset the zoom value.
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
293 """
2334
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
294 self.__doZoom(PixmapDiagram.ZoomLevels[PixmapDiagram.ZoomLevelDefault])
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
296 def __zoom(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
297 """
3591
2f2a4a76dd22 Corrected a bunch of source docu issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3484
diff changeset
298 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
299
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
300 @return current zoom factor in percent (integer)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 """
3034
7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
302 return int(self.pixmapLabel.width() /
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
303 self.pixmapLabel.pixmap().width() * 100.0)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
305 def __printDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 Private slot called to print the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 """
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
309 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
316 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
318 printer.setPageOrder(QPrinter.LastPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 printDialog = QPrintDialog(printer, self)
7759
51aa6c6b66f7 Changed calls to exec_() into exec() (remainder of Python2 elimination).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7533
diff changeset
322 if printDialog.exec():
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
323 self.__print(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
324
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325 def __printPreviewDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 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
328 """
3656
441956d8fce5 Started porting eric5 to PyQt5.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3591
diff changeset
329 from PyQt5.QtPrintSupport import QPrintPreviewDialog
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
331 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
337 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 printer.setPageOrder(QPrinter.LastPageFirst)
1155
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
341 printer.setPageMargins(
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
342 Preferences.getPrinter("LeftMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
343 Preferences.getPrinter("TopMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
344 Preferences.getPrinter("RightMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
345 Preferences.getPrinter("BottomMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
346 QPrinter.Millimeter
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
347 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
348 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
349
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350 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
351 preview.paintRequested[QPrinter].connect(self.__print)
7759
51aa6c6b66f7 Changed calls to exec_() into exec() (remainder of Python2 elimination).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7533
diff changeset
352 preview.exec()
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
354 def __print(self, printer):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
356 Private slot to the actual printing.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
358 @param printer reference to the printer object (QPrinter)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 painter = QPainter()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 painter.begin(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363 # calculate margin and width of printout
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364 font = QFont("times", 10)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
365 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366 fm = painter.fontMetrics()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
367 fontHeight = fm.lineSpacing()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 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
369 marginX = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
370 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
371 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
372 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
373 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
374 marginY = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
375 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
376 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
377 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
378
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
379 width = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
380 printer.width() - marginX -
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
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381 Preferences.getPrinter("RightMargin") *
2992
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
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382 int(printer.resolution() / 2.54)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
383 )
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
384 height = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
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385 printer.height() - fontHeight - 4 - marginY -
f00d825fbdb3 Continued to resolve code style issue M841.
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parents: 7229
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386 Preferences.getPrinter("BottomMargin") *
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
387 int(printer.resolution() / 2.54)
7254
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
388 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
389
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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390 # 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
391 s = self.tr("Diagram: {0}").format(self.getDiagramName())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
392 tc = QColor(50, 50, 50)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
393 painter.setPen(tc)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
394 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
395 painter.drawLine(marginX, marginY + height + 2,
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
396 marginX + width, marginY + height + 2)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
397 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
398 painter.drawText(marginX, marginY + height + 4, width,
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
399 fontHeight, Qt.AlignRight, s)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
400
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
401 # render the diagram
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
402 size = self.pixmapLabel.pixmap().size()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
403 size.scale(QSize(width - 10, height - 10), # 5 px inner margin
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
404 Qt.KeepAspectRatio)
2992
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
405 painter.setViewport(marginX + 5, marginY + 5,
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
406 size.width(), size.height())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
407 painter.setWindow(self.pixmapLabel.pixmap().rect())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
408 painter.drawPixmap(0, 0, self.pixmapLabel.pixmap())
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
409 painter.end()

eric ide

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