eric6/QScintilla/Printer.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
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parent 7923
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child 8143
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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) 2006 - 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 the printer functionality.
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8 """
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9
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10 from PyQt5.QtCore import QTime, QDate, Qt, QCoreApplication
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11 from PyQt5.QtGui import QColor
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12 from PyQt5.QtPrintSupport import QPrinter
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13 from PyQt5.Qsci import QsciPrinter
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14
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15 import Preferences
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16
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17
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18 class Printer(QsciPrinter):
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19 """
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20 Class implementing the QsciPrinter with a header.
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21 """
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22 def __init__(self, mode=QPrinter.ScreenResolution):
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23 """
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24 Constructor
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25
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26 @param mode mode of the printer (QPrinter.PrinterMode)
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27 """
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28 super(Printer, self).__init__(mode)
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29
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30 self.setMagnification(Preferences.getPrinter("Magnification"))
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31 if Preferences.getPrinter("ColorMode"):
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32 self.setColorMode(QPrinter.Color)
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33 else:
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34 self.setColorMode(QPrinter.GrayScale)
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35 if Preferences.getPrinter("FirstPageFirst"):
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36 self.setPageOrder(QPrinter.FirstPageFirst)
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37 else:
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38 self.setPageOrder(QPrinter.LastPageFirst)
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39 self.setPageMargins(
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40 Preferences.getPrinter("LeftMargin") * 10,
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41 Preferences.getPrinter("TopMargin") * 10,
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42 Preferences.getPrinter("RightMargin") * 10,
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43 Preferences.getPrinter("BottomMargin") * 10,
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44 QPrinter.Millimeter
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45 )
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46 printerName = Preferences.getPrinter("PrinterName")
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47 if printerName:
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48 self.setPrinterName(printerName)
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49 self.time = QTime.currentTime().toString(Qt.LocalDate)
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50 self.date = QDate.currentDate().toString(Qt.LocalDate)
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51 self.headerFont = Preferences.getPrinter("HeaderFont")
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52
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53 def formatPage(self, painter, drawing, area, pagenr):
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54 """
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55 Public method to generate a header line.
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57 @param painter the paint canvas (QPainter)
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58 @param drawing flag indicating that something should be drawn
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59 @param area the drawing area (QRect)
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60 @param pagenr the page number (int)
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61 """
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62 fn = self.docName()
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63
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64 header = QCoreApplication.translate(
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65 'Printer', '{0} - Printed on {1}, {2} - Page {3}'
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66 ).format(fn, self.date, self.time, pagenr)
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67
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68 painter.save()
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69 painter.setFont(self.headerFont) # set our header font
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70 painter.setPen(QColor(Qt.black)) # set color
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71 if drawing:
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72 fm = painter.fontMetrics()
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73 try:
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74 fmWidth = fm.horizontalAdvance(header)
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75 except AttributeError:
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76 fmWidth = fm.width(header)
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77 painter.drawText(
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78 area.right() - fmWidth,
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79 area.top() + painter.fontMetrics().ascent(), header)
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80 area.setTop(area.top() + painter.fontMetrics().height() + 5)
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81 painter.restore()

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