+++ /dev/null
-import wx
-import os
-
-FONTSIZE = 10
-
-class TextDocPrintout(wx.Printout):
- """
- A printout class that is able to print simple text documents.
- Does not handle page numbers or titles, and it assumes that no
- lines are longer than what will fit within the page width. Those
- features are left as an exercise for the reader. ;-)
- """
- def __init__(self, text, title, margins):
- wx.Printout.__init__(self, title)
- self.lines = text.split('\n')
- self.margins = margins
-
-
- def HasPage(self, page):
- return page <= self.numPages
-
- def GetPageInfo(self):
- return (1, self.numPages, 1, self.numPages)
-
-
- def CalculateScale(self, dc):
- # Scale the DC such that the printout is roughly the same as
- # the screen scaling.
- ppiPrinterX, ppiPrinterY = self.GetPPIPrinter()
- ppiScreenX, ppiScreenY = self.GetPPIScreen()
- logScale = float(ppiPrinterX)/float(ppiScreenX)
-
- # Now adjust if the real page size is reduced (such as when
- # drawing on a scaled wx.MemoryDC in the Print Preview.) If
- # page width == DC width then nothing changes, otherwise we
- # scale down for the DC.
- pw, ph = self.GetPageSizePixels()
- dw, dh = dc.GetSize()
- scale = logScale * float(dw)/float(pw)
-
- # Set the DC's scale.
- dc.SetUserScale(scale, scale)
-
- # Find the logical units per millimeter (for calculating the
- # margins)
- self.logUnitsMM = float(ppiPrinterX)/(logScale*25.4)
-
-
- def CalculateLayout(self, dc):
- # Determine the position of the margins and the
- # page/line height
- topLeft, bottomRight = self.margins
- dw, dh = dc.GetSize()
- self.x1 = topLeft.x * self.logUnitsMM
- self.y1 = topLeft.y * self.logUnitsMM
- self.x2 = dc.DeviceToLogicalXRel(dw) - bottomRight.x * self.logUnitsMM
- self.y2 = dc.DeviceToLogicalYRel(dh) - bottomRight.y * self.logUnitsMM
-
- # use a 1mm buffer around the inside of the box, and a few
- # pixels between each line
- self.pageHeight = self.y2 - self.y1 - 2*self.logUnitsMM
- font = wx.Font(FONTSIZE, wx.TELETYPE, wx.NORMAL, wx.NORMAL)
- dc.SetFont(font)
- self.lineHeight = dc.GetCharHeight()
- self.linesPerPage = int(self.pageHeight/self.lineHeight)
-
-
- def OnPreparePrinting(self):
- # calculate the number of pages
- dc = self.GetDC()
- self.CalculateScale(dc)
- self.CalculateLayout(dc)
- self.numPages = len(self.lines) / self.linesPerPage
- if len(self.lines) % self.linesPerPage != 0:
- self.numPages += 1
-
-
- def OnPrintPage(self, page):
- dc = self.GetDC()
- self.CalculateScale(dc)
- self.CalculateLayout(dc)
-
- # draw a page outline at the margin points
- dc.SetPen(wx.Pen("black", 0))
- dc.SetBrush(wx.TRANSPARENT_BRUSH)
- r = wx.RectPP((self.x1, self.y1),
- (self.x2, self.y2))
- dc.DrawRectangleRect(r)
- dc.SetClippingRect(r)
-
- # Draw the text lines for this page
- line = (page-1) * self.linesPerPage
- x = self.x1 + self.logUnitsMM
- y = self.y1 + self.logUnitsMM
- while line < (page * self.linesPerPage):
- dc.DrawText(self.lines[line], x, y)
- y += self.lineHeight
- line += 1
- if line >= len(self.lines):
- break
- return True
-
-
-class PrintFrameworkSample(wx.Frame):
- def __init__(self):
- wx.Frame.__init__(self, None, size=(640, 480),
- title="Print Framework Sample")
- self.CreateStatusBar()
-
- # A text widget to display the doc and let it be edited
- self.tc = wx.TextCtrl(self, -1, "",
- style=wx.TE_MULTILINE|wx.TE_DONTWRAP)
- self.tc.SetFont(wx.Font(FONTSIZE, wx.TELETYPE, wx.NORMAL, wx.NORMAL))
- filename = os.path.join(os.path.dirname(__file__), "sample-text.txt")
- self.tc.SetValue(open(filename).read())
- self.tc.Bind(wx.EVT_SET_FOCUS, self.OnClearSelection)
- wx.CallAfter(self.tc.SetInsertionPoint, 0)
-
- # Create the menu and menubar
- menu = wx.Menu()
- item = menu.Append(-1, "Page Setup...\tF5",
- "Set up page margins and etc.")
- self.Bind(wx.EVT_MENU, self.OnPageSetup, item)
- item = menu.Append(-1, "Print Preview...\tF6",
- "View the printout on-screen")
- self.Bind(wx.EVT_MENU, self.OnPrintPreview, item)
- item = menu.Append(-1, "Print...\tF7", "Print the document")
- self.Bind(wx.EVT_MENU, self.OnPrint, item)
- menu.AppendSeparator()
-## item = menu.Append(-1, "Test other stuff...\tF9", "")
-## self.Bind(wx.EVT_MENU, self.OnPrintTest, item)
-## menu.AppendSeparator()
- item = menu.Append(wx.ID_EXIT, "E&xit\tCtrl-Q", "Close this application")
- self.Bind(wx.EVT_MENU, self.OnExit, item)
-
- menubar = wx.MenuBar()
- menubar.Append(menu, "&File")
- self.SetMenuBar(menubar)
-
- # initialize the print data and set some default values
- self.pdata = wx.PrintData()
- self.pdata.SetPaperId(wx.PAPER_LETTER)
- self.pdata.SetOrientation(wx.PORTRAIT)
- self.margins = (wx.Point(15,15), wx.Point(15,15))
-
-
- def OnExit(self, evt):
- self.Close()
-
-
- def OnClearSelection(self, evt):
- evt.Skip()
- wx.CallAfter(self.tc.SetInsertionPoint,
- self.tc.GetInsertionPoint())
-
-
- def OnPageSetup(self, evt):
- data = wx.PageSetupDialogData()
- data.SetPrintData(self.pdata)
-
- data.SetDefaultMinMargins(True)
- data.SetMarginTopLeft(self.margins[0])
- data.SetMarginBottomRight(self.margins[1])
-
- dlg = wx.PageSetupDialog(self, data)
- if dlg.ShowModal() == wx.ID_OK:
- data = dlg.GetPageSetupData()
- self.pdata = wx.PrintData(data.GetPrintData()) # force a copy
- self.pdata.SetPaperId(data.GetPaperId())
- self.margins = (data.GetMarginTopLeft(),
- data.GetMarginBottomRight())
- dlg.Destroy()
-
-
- def OnPrintPreview(self, evt):
- data = wx.PrintDialogData(self.pdata)
- text = self.tc.GetValue()
- printout1 = TextDocPrintout(text, "title", self.margins)
- printout2 = None #TextDocPrintout(text, "title", self.margins)
- preview = wx.PrintPreview(printout1, printout2, data)
- if not preview.Ok():
- wx.MessageBox("Unable to create PrintPreview!", "Error")
- else:
- # create the preview frame such that it overlays the app frame
- frame = wx.PreviewFrame(preview, self, "Print Preview",
- pos=self.GetPosition(),
- size=self.GetSize())
- frame.Initialize()
- frame.Show()
-
-
- def OnPrint(self, evt):
- data = wx.PrintDialogData(self.pdata)
- printer = wx.Printer(data)
- text = self.tc.GetValue()
- printout = TextDocPrintout(text, "title", self.margins)
- useSetupDialog = True
- if not printer.Print(self, printout, useSetupDialog) \
- and printer.GetLastError() == wx.PRINTER_ERROR:
- wx.MessageBox(
- "There was a problem printing.\n"
- "Perhaps your current printer is not set correctly?",
- "Printing Error", wx.OK)
- else:
- data = printer.GetPrintDialogData()
- self.pdata = wx.PrintData(data.GetPrintData()) # force a copy
- printout.Destroy()
-
-
- def OnPrintTest(self, evt):
- data = wx.PrintDialogData(self.pdata)
- dlg = wx.PrintDialog(self, data)
- if dlg.ShowModal() == wx.ID_OK:
- data = dlg.GetPrintDialogData()
- print
- print "GetFromPage:", data.GetFromPage()
- print "GetToPage:", data.GetToPage()
- print "GetMinPage:", data.GetMinPage()
- print "GetMaxPage:", data.GetMaxPage()
- print "GetNoCopies:", data.GetNoCopies()
- print "GetAllPages:", data.GetAllPages()
- print "GetSelection:", data.GetSelection()
- print "GetCollate:", data.GetCollate()
- print "GetPrintToFile:", data.GetPrintToFile()
-
- self.pdata = wx.PrintData(data.GetPrintData())
- print
- print "GetPrinterName:", self.pdata.GetPrinterName()
-
- dlg.Destroy()
-
-
-app = wx.PySimpleApp()
-frm = PrintFrameworkSample()
-frm.Show()
-app.MainLoop()
projects / wxWidgets.git / blobdiff