wxWidgets/wxPython/demo/PrintFramework.py
Robin Dunn 0122b7e3fc Second phase of OOR completed. (Original python object return for
wxEvtHandler and derived classes.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11962 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-10-12 23:26:38 +00:00

179 lines
5.2 KiB
Python

from wxPython.wx import *
from wxScrolledWindow import MyCanvas
#----------------------------------------------------------------------
class MyPrintout(wxPrintout):
def __init__(self, canvas, log):
wxPrintout.__init__(self)
self.canvas = canvas
self.log = log
def OnBeginDocument(self, start, end):
self.log.WriteText("wxPrintout.OnBeginDocument\n")
return self.base_OnBeginDocument(start, end)
def OnEndDocument(self):
self.log.WriteText("wxPrintout.OnEndDocument\n")
self.base_OnEndDocument()
def OnBeginPrinting(self):
self.log.WriteText("wxPrintout.OnBeginPrinting\n")
self.base_OnBeginPrinting()
def OnEndPrinting(self):
self.log.WriteText("wxPrintout.OnEndPrinting\n")
self.base_OnEndPrinting()
def OnPreparePrinting(self):
self.log.WriteText("wxPrintout.OnPreparePrinting\n")
self.base_OnPreparePrinting()
def HasPage(self, page):
self.log.WriteText("wxPrintout.HasPage: %d\n" % page)
if page <= 2:
return true
else:
return false
def GetPageInfo(self):
self.log.WriteText("wxPrintout.GetPageInfo\n")
return (1, 2, 1, 2)
def OnPrintPage(self, page):
self.log.WriteText("wxPrintout.OnPrintPage: %d\n" % page)
dc = self.GetDC()
#-------------------------------------------
# One possible method of setting scaling factors...
maxX = self.canvas.getWidth()
maxY = self.canvas.getHeight()
# Let's have at least 50 device units margin
marginX = 50
marginY = 50
# Add the margin to the graphic size
maxX = maxX + (2 * marginX)
maxY = maxY + (2 * marginY)
# Get the size of the DC in pixels
(w, h) = dc.GetSizeTuple()
# Calculate a suitable scaling factor
scaleX = float(w) / maxX
scaleY = float(h) / maxY
# Use x or y scaling factor, whichever fits on the DC
actualScale = min(scaleX, scaleY)
# Calculate the position on the DC for centring the graphic
posX = (w - (self.canvas.getWidth() * actualScale)) / 2.0
posY = (h - (self.canvas.getHeight() * actualScale)) / 2.0
# Set the scale and origin
dc.SetUserScale(actualScale, actualScale)
dc.SetDeviceOrigin(int(posX), int(posY))
#-------------------------------------------
self.canvas.DoDrawing(dc)
dc.DrawText("Page: %d" % page, marginX/2, maxY-marginY)
return true
#----------------------------------------------------------------------
class TestPrintPanel(wxPanel):
def __init__(self, parent, frame, log):
wxPanel.__init__(self, parent, -1)
self.log = log
self.frame = frame
self.printData = wxPrintData()
self.printData.SetPaperId(wxPAPER_LETTER)
self.box = wxBoxSizer(wxVERTICAL)
self.canvas = MyCanvas(self)
self.box.Add(self.canvas, 1, wxGROW)
subbox = wxBoxSizer(wxHORIZONTAL)
btn = wxButton(self, 1201, "Print Setup")
EVT_BUTTON(self, 1201, self.OnPrintSetup)
subbox.Add(btn, 1, wxGROW | wxALL, 2)
btn = wxButton(self, 1202, "Print Preview")
EVT_BUTTON(self, 1202, self.OnPrintPreview)
subbox.Add(btn, 1, wxGROW | wxALL, 2)
btn = wxButton(self, 1203, "Print")
EVT_BUTTON(self, 1203, self.OnDoPrint)
subbox.Add(btn, 1, wxGROW | wxALL, 2)
self.box.Add(subbox, 0, wxGROW)
self.SetAutoLayout(true)
self.SetSizer(self.box)
def OnPrintSetup(self, event):
printerDialog = wxPrintDialog(self)
printerDialog.GetPrintDialogData().SetPrintData(self.printData)
printerDialog.GetPrintDialogData().SetSetupDialog(true)
printerDialog.ShowModal();
self.printData = printerDialog.GetPrintDialogData().GetPrintData()
printerDialog.Destroy()
def OnPrintPreview(self, event):
self.log.WriteText("OnPrintPreview\n")
printout = MyPrintout(self.canvas, self.log)
printout2 = MyPrintout(self.canvas, self.log)
self.preview = wxPrintPreview(printout, printout2, self.printData)
if not self.preview.Ok():
self.log.WriteText("Houston, we have a problem...\n")
return
frame = wxPreviewFrame(self.preview, self.frame, "This is a print preview")
frame.Initialize()
frame.SetPosition(self.frame.GetPosition())
frame.SetSize(self.frame.GetSize())
frame.Show(true)
def OnDoPrint(self, event):
pdd = wxPrintDialogData()
pdd.SetPrintData(self.printData)
printer = wxPrinter(pdd)
printout = MyPrintout(self.canvas, self.log)
if not printer.Print(self.frame, printout):
wxMessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wxOK)
else:
self.printData = printer.GetPrintDialogData().GetPrintData()
printout.Destroy()
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestPrintPanel(nb, frame, log)
return win
#----------------------------------------------------------------------
overview = """\
"""