eric7/Graphics/PixmapDiagram.py

Sat, 22 May 2021 18:51:46 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 22 May 2021 18:51:46 +0200
branch
eric7
changeset 8356
68ec9c3d4de5
parent 8318
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child 8358
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permissions
-rw-r--r--

Renamed the modules and classes of the E5Gui package to have the prefix 'Eric' instead of 'E5'.

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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 PyQt6.QtCore import Qt, QSize, QEvent
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11 from PyQt6.QtGui import (
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12 QPalette, QImage, QPixmap, QPainter, QFont, QColor, QAction
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13 )
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14 from PyQt6.QtWidgets import (
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15 QLabel, QSizePolicy, QScrollArea, QMenu, QToolBar
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16 )
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17 from PyQt6.QtPrintSupport import QPrinter, QPrintDialog
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18
8356
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19 from E5Gui import EricMessageBox
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20 from E5Gui.EricMainWindow import EricMainWindow
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21 from E5Gui.EricZoomWidget import EricZoomWidget
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22
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23 import UI.Config
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24
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25 import Preferences
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26
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27
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28 class PixmapDiagram(EricMainWindow):
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29 """
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30 Class implementing a dialog showing a pixmap.
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31 """
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32 ZoomLevels = [
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33 1, 3, 5, 7, 9,
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34 10, 20, 30, 50, 67, 80, 90,
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35 100,
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36 110, 120, 133, 150, 170, 200, 240, 300, 400,
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37 500, 600, 700, 800, 900, 1000,
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38 ]
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39 ZoomLevelDefault = 100
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40
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41 def __init__(self, pixmap, parent=None, name=None):
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42 """
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43 Constructor
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44
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45 @param pixmap filename of a graphics file to show
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46 @type str
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47 @param parent parent widget of the view
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48 @type QWidget
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49 @param name name of the view widget
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50 @type str
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51 """
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52 super().__init__(parent)
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53 if name:
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54 self.setObjectName(name)
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55 else:
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56 self.setObjectName("PixmapDiagram")
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57 self.setWindowTitle(self.tr("Pixmap-Viewer"))
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58
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59 self.pixmapLabel = QLabel()
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60 self.pixmapLabel.setObjectName("pixmapLabel")
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61 self.pixmapLabel.setBackgroundRole(QPalette.ColorRole.Base)
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62 self.pixmapLabel.setSizePolicy(
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63 QSizePolicy.Policy.Ignored, QSizePolicy.Policy.Ignored)
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64 self.pixmapLabel.setScaledContents(True)
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65
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66 self.pixmapView = QScrollArea()
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67 self.pixmapView.setObjectName("pixmapView")
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68 self.pixmapView.setBackgroundRole(QPalette.ColorRole.Dark)
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69 self.pixmapView.setWidget(self.pixmapLabel)
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70
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71 self.setCentralWidget(self.pixmapView)
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72
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73 self.__zoomWidget = EricZoomWidget(
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74 UI.PixmapCache.getPixmap("zoomOut"),
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75 UI.PixmapCache.getPixmap("zoomIn"),
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76 UI.PixmapCache.getPixmap("zoomReset"), self)
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77 self.statusBar().addPermanentWidget(self.__zoomWidget)
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78 self.__zoomWidget.setMapping(
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79 PixmapDiagram.ZoomLevels, PixmapDiagram.ZoomLevelDefault)
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80 self.__zoomWidget.valueChanged.connect(self.__doZoom)
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81
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82 # polish up the dialog
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83 self.resize(QSize(800, 600).expandedTo(self.minimumSizeHint()))
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84
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85 self.pixmapfile = pixmap
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86 self.status = self.__showPixmap(self.pixmapfile)
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87
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88 self.__initActions()
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89 self.__initContextMenu()
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90 self.__initToolBars()
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91
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92 self.grabGesture(Qt.GestureType.PinchGesture)
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93
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94 def __initActions(self):
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95 """
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96 Private method to initialize the view actions.
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97 """
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98 self.closeAct = QAction(
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99 UI.PixmapCache.getIcon("close"),
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100 self.tr("Close"), self)
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101 self.closeAct.triggered.connect(self.close)
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102
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103 self.printAct = QAction(
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104 UI.PixmapCache.getIcon("print"),
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105 self.tr("Print"), self)
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106 self.printAct.triggered.connect(self.__printDiagram)
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107
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108 self.printPreviewAct = QAction(
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109 UI.PixmapCache.getIcon("printPreview"),
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110 self.tr("Print Preview"), self)
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111 self.printPreviewAct.triggered.connect(self.__printPreviewDiagram)
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112
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113 def __initContextMenu(self):
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114 """
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115 Private method to initialize the context menu.
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116 """
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117 self.__menu = QMenu(self)
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118 self.__menu.addAction(self.closeAct)
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119 self.__menu.addSeparator()
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120 self.__menu.addAction(self.printPreviewAct)
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121 self.__menu.addAction(self.printAct)
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122
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123 self.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
458
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124 self.customContextMenuRequested.connect(self.__showContextMenu)
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125
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126 def __showContextMenu(self, coord):
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127 """
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128 Private slot to show the context menu of the listview.
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129
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130 @param coord the position of the mouse pointer
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131 @type QPoint
0
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132 """
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133 self.__menu.popup(self.mapToGlobal(coord))
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134
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135 def __initToolBars(self):
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136 """
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137 Private method to populate the toolbars with our actions.
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138 """
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139 self.windowToolBar = QToolBar(self.tr("Window"), self)
0
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140 self.windowToolBar.setIconSize(UI.Config.ToolBarIconSize)
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141 self.windowToolBar.addAction(self.closeAct)
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142
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143 self.graphicsToolBar = QToolBar(self.tr("Graphics"), self)
0
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144 self.graphicsToolBar.setIconSize(UI.Config.ToolBarIconSize)
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145 self.graphicsToolBar.addAction(self.printPreviewAct)
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146 self.graphicsToolBar.addAction(self.printAct)
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147
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148 self.addToolBar(Qt.ToolBarArea.TopToolBarArea, self.windowToolBar)
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149 self.addToolBar(Qt.ToolBarArea.TopToolBarArea, self.graphicsToolBar)
0
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150
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151 def __showPixmap(self, filename):
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152 """
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153 Private method to show a file.
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154
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155 @param filename name of the file to be shown
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156 @type str
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157 @return flag indicating success
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158 @rtype bool
0
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159 """
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160 image = QImage(filename)
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161 if image.isNull():
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162 EricMessageBox.warning(
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163 self,
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164 self.tr("Pixmap-Viewer"),
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165 self.tr(
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166 """<p>The file <b>{0}</b> cannot be displayed."""
0
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parents:
diff changeset
167 """ The format is not supported.</p>""").format(filename))
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168 return False
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169
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170 self.pixmapLabel.setPixmap(QPixmap.fromImage(image))
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171 self.pixmapLabel.adjustSize()
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172 return True
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173
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174 def getDiagramName(self):
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175 """
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176 Public method to retrieve a name for the diagram.
0
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177
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178 @return name for the diagram
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179 @rtype str
0
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180 """
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181 return self.pixmapfile
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182
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183 def getStatus(self):
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184 """
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185 Public method to retrieve the status of the canvas.
0
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186
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187 @return flag indicating a successful pixmap loading
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188 @rtype bool
0
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189 """
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190 return self.status
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191
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192 def wheelEvent(self, evt):
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193 """
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194 Protected method to handle wheel events.
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195
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196 @param evt reference to the wheel event
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197 @type QWheelEvent
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198 """
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199 if evt.modifiers() & Qt.KeyboardModifier.ControlModifier:
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200 delta = evt.angleDelta().y()
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201 if delta < 0:
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202 self.__zoomOut()
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203 elif delta > 0:
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204 self.__zoomIn()
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205 evt.accept()
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206 return
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207
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208 super().wheelEvent(evt)
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209
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210 def event(self, evt):
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211 """
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212 Public method handling events.
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213
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214 @param evt reference to the event
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215 @type QEvent
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216 @return flag indicating, if the event was handled
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217 @rtype bool
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218 """
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219 if evt.type() == QEvent.Type.Gesture:
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220 self.gestureEvent(evt)
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221 return True
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222
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223 return super().event(evt)
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224
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225 def gestureEvent(self, evt):
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226 """
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227 Protected method handling gesture events.
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228
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229 @param evt reference to the gesture event
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230 @type QGestureEvent
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231 """
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232 pinch = evt.gesture(Qt.GestureType.PinchGesture)
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233 if pinch:
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234 if pinch.state() == Qt.GestureState.GestureStarted:
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235 pinch.setTotalScaleFactor(self.__zoom() / 100)
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236 elif pinch.state() == Qt.GestureState.GestureUpdated:
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237 self.__doZoom(int(pinch.totalScaleFactor() * 100))
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238 evt.accept()
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239
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240 ###########################################################################
0
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241 ## Private menu handling methods below.
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242 ###########################################################################
0
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243
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parents:
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244 def __adjustScrollBar(self, scrollBar, factor):
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245 """
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parents:
diff changeset
246 Private method to adjust a scrollbar by a certain factor.
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247
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248 @param scrollBar reference to the scrollbar object
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249 @type QScrollBar
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parents: 8218
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250 @param factor factor to adjust by
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diff changeset
251 @type float
0
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parents:
diff changeset
252 """
4830
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
253 scrollBar.setValue(int(factor * scrollBar.value() +
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254 ((factor - 1) * scrollBar.pageStep() / 2)))
0
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255
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256 def __levelForZoom(self, zoom):
0
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257 """
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diff changeset
258 Private method determining the zoom level index given a zoom factor.
0
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259
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260 @param zoom zoom factor
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261 @type int
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parents: 8218
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262 @return index of zoom factor
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263 @rtype int
0
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parents:
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264 """
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parents: 2302
diff changeset
265 try:
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diff changeset
266 index = PixmapDiagram.ZoomLevels.index(zoom)
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parents: 2302
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267 except ValueError:
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268 for index in range(len(PixmapDiagram.ZoomLevels)):
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parents: 2302
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269 if zoom <= PixmapDiagram.ZoomLevels[index]:
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parents: 2302
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270 break
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271 return index
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272
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273 def __doZoom(self, value):
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274 """
3591
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Detlev Offenbach <detlev@die-offenbachs.de>
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275 Private method to set the zoom value in percent.
0
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276
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277 @param value zoom value in percent
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278 @type int
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279 """
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280 oldValue = self.__zoom()
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281 if value != oldValue:
2992
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282 self.pixmapLabel.resize(
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parents: 2334
diff changeset
283 value / 100 * self.pixmapLabel.pixmap().size())
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284
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285 factor = value / oldValue
2992
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parents: 2334
diff changeset
286 self.__adjustScrollBar(
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parents: 2334
diff changeset
287 self.pixmapView.horizontalScrollBar(), factor)
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parents: 2334
diff changeset
288 self.__adjustScrollBar(
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diff changeset
289 self.pixmapView.verticalScrollBar(), factor)
2334
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290
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diff changeset
291 self.__zoomWidget.setValue(value)
0
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292
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diff changeset
293 def __zoomIn(self):
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parents:
diff changeset
294 """
2334
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diff changeset
295 Private method to zoom into the pixmap.
0
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diff changeset
296 """
2334
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diff changeset
297 index = self.__levelForZoom(self.__zoom())
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parents: 2302
diff changeset
298 if index < len(PixmapDiagram.ZoomLevels) - 1:
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diff changeset
299 self.__doZoom(PixmapDiagram.ZoomLevels[index + 1])
0
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300
de9c2efb9d02 Started porting eric4 to Python3
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diff changeset
301 def __zoomOut(self):
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parents:
diff changeset
302 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
303 Private method to zoom out of the pixmap.
0
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parents:
diff changeset
304 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
305 index = self.__levelForZoom(self.__zoom())
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parents: 2302
diff changeset
306 if index > 0:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
307 self.__doZoom(PixmapDiagram.ZoomLevels[index - 1])
0
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parents:
diff changeset
308
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 def __zoomReset(self):
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parents:
diff changeset
310 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
311 Private method to reset the zoom value.
0
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parents:
diff changeset
312 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
313 self.__doZoom(PixmapDiagram.ZoomLevels[PixmapDiagram.ZoomLevelDefault])
0
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parents:
diff changeset
314
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 def __zoom(self):
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parents:
diff changeset
316 """
3591
2f2a4a76dd22 Corrected a bunch of source docu issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3484
diff changeset
317 Private method to get the current zoom factor in percent.
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
318
8289
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diff changeset
319 @return current zoom factor in percent
871b40c5a77a Changed some source docu string to the new style.
Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
320 @rtype int
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 """
3034
7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
322 return int(self.pixmapLabel.width() /
2992
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
323 self.pixmapLabel.pixmap().width() * 100.0)
0
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parents:
diff changeset
324
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325 def __printDiagram(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 print the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
328 """
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
329 printer = QPrinter(mode=QPrinter.PrinterMode.ScreenResolution)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
331 if Preferences.getPrinter("ColorMode"):
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
332 printer.setColorMode(QPrinter.ColorMode.Color)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 else:
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
334 printer.setColorMode(QPrinter.ColorMode.GrayScale)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 if Preferences.getPrinter("FirstPageFirst"):
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
336 printer.setPageOrder(QPrinter.PageOrder.FirstPageFirst)
0
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
337 else:
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
338 printer.setPageOrder(QPrinter.PageOrder.LastPageFirst)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
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parents:
diff changeset
340
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
341 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
342 if printDialog.exec():
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
343 self.__print(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
344
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 def __printPreviewDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
347 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
348 """
8318
962bce857696 Replaced all imports of PyQt5 to PyQt6 and started to replace code using obsoleted methods and adapt to the PyQt6 enum usage.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8312
diff changeset
349 from PyQt6.QtPrintSupport import QPrintPreviewDialog
0
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
350
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
351 printer = QPrinter(mode=QPrinter.PrinterMode.ScreenResolution)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
352 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353 if Preferences.getPrinter("ColorMode"):
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
354 printer.setColorMode(QPrinter.ColorMode.Color)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 else:
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
356 printer.setColorMode(QPrinter.ColorMode.GrayScale)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 if Preferences.getPrinter("FirstPageFirst"):
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
358 printer.setPageOrder(QPrinter.PageOrder.FirstPageFirst)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 else:
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
360 printer.setPageOrder(QPrinter.PageOrder.LastPageFirst)
1155
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
361 printer.setPageMargins(
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
362 Preferences.getPrinter("LeftMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
363 Preferences.getPrinter("TopMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
364 Preferences.getPrinter("RightMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
365 Preferences.getPrinter("BottomMargin") * 10,
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
366 QPrinter.Unit.Millimeter
1155
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
367 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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369
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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370 preview = QPrintPreviewDialog(printer, self)
483
ca7d8599a575 Continued porting signal/slot usage to the new API.
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parents: 458
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371 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
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372 preview.exec()
0
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parents:
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373
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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374 def __print(self, printer):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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375 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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376 Private slot to the actual printing.
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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377
8289
871b40c5a77a Changed some source docu string to the new style.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8218
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378 @param printer reference to the printer object
871b40c5a77a Changed some source docu string to the new style.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8218
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379 @type QPrinter
0
de9c2efb9d02 Started porting eric4 to Python3
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380 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
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381 painter = QPainter()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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382 painter.begin(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
383
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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384 # calculate margin and width of printout
8318
962bce857696 Replaced all imports of PyQt5 to PyQt6 and started to replace code using obsoleted methods and adapt to the PyQt6 enum usage.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8312
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385 font = QFont(["times"], 10)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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386 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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387 fm = painter.fontMetrics()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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388 fontHeight = fm.lineSpacing()
8298
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
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389 marginX = (
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
390 printer.pageLayout().paintRectPixels(printer.resolution()).x() -
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
391 printer.pageLayout().fullRectPixels(printer.resolution()).x()
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
392 )
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
393 marginX = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
394 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
395 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
396 )
8298
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
397 marginY = (
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
398 printer.pageLayout().paintRectPixels(printer.resolution()).y() -
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
399 printer.pageLayout().fullRectPixels(printer.resolution()).y()
83ddb87b3bc1 Replaced some obsoleted methods of QPrinter.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 8289
diff changeset
400 )
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
401 marginY = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
402 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
403 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
404 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
405
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
406 width = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
407 printer.width() - marginX -
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
408 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
409 int(printer.resolution() / 2.54)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
410 )
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
411 height = (
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
412 printer.height() - fontHeight - 4 - marginY -
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
413 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
414 int(printer.resolution() / 2.54)
7254
f00d825fbdb3 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
415 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
416
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
417 # 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
418 s = self.tr("Diagram: {0}").format(self.getDiagramName())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
419 tc = QColor(50, 50, 50)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
420 painter.setPen(tc)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
421 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
422 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
423 marginX + width, marginY + height + 2)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
424 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
425 painter.drawText(marginX, marginY + height + 4, width,
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
426 fontHeight, Qt.AlignmentFlag.AlignRight, s)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
427
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
428 # render the diagram
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
429 size = self.pixmapLabel.pixmap().size()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
430 size.scale(QSize(width - 10, height - 10), # 5 px inner margin
8143
2c730d5fd177 Changed the use of PyQt enums because the way they were used previously is deprecated since two years and replaced some deprecated Qt stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
431 Qt.AspectRatioMode.KeepAspectRatio)
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2334
diff changeset
432 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
433 size.width(), size.height())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
434 painter.setWindow(self.pixmapLabel.pixmap().rect())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
435 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
436 painter.end()

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