Changeset 3232

Timestamp:

07/09/07 17:39:39 (2 years ago)

Author:

ed

Message:

Added some experimental printing code. It seems to work OK, but there needs to be a lot more customization exposed.

Files:

• trunk/dabo/ui/uiwx/dEditor.py (modified) (3 diffs)

trunk/dabo/ui/uiwx/dEditor.py

@@ -71 +71 @@
-            if self.Parent:
-                self.Parent.SetLexer(stc.STC_LEX_CONTAINER)
+
+
+class STCPrintout(wx.Printout):
+    """Printout class for styled text controls. Taken from the following
+    program by Riaan Booysen:
+        -----------------------------------------------------------------------------
+         Name:         STCPrinting.py
+         Purpose:
+        
+         Author:       Riaan Booysen
+        
+         Created:      2003/05/21
+         RCS-ID:       $Id: STCPrinting.py,v 1.8 2006/10/12 12:19:17 riaan Exp $
+         Copyright:   (c) 2003 - 2006
+         Licence:      wxWidgets
+        -----------------------------------------------------------------------------
+        Boa:Dialog:STCPrintDlg
+    """
+    margin = 0.1
+    linesPerPage = 80
+
+    def __init__(self, stc, colourMode=0, filename='', doPageNums=1):
+        wx.Printout.__init__(self)
+        self.stc = stc
+        self.colourMode = colourMode
+        self.filename = filename
+        self.doPageNums = doPageNums
+
+        self.pageTotal, m = divmod(stc.GetLineCount(), self.linesPerPage)
+        if m: self.pageTotal += 1
+
+
+    def HasPage(self, page):
+        return (page <= self.pageTotal)
+
+
+    def GetPageInfo(self):
+        return (1, self.pageTotal, 1, 32000)
+
+
+    def OnPrintPage(self, page):
+        stc = self.stc
+        self.stcLineHeight = stc.TextHeight(0)
+
+        # calculate sizes including margin and scale
+        dc = self.GetDC()
+        dw, dh = dc.GetSizeTuple()
+        mw = self.margin*dw
+        mh = self.margin*dh
+        textAreaHeight = dh - mh*2
+        textAreaWidth = dw - mw*2
+        scale = float(textAreaHeight)/(self.stcLineHeight*self.linesPerPage)
+        dc.SetUserScale(scale, scale)
+
+        # render page titles and numbers
+        f = dc.GetFont()
+        f.SetFamily(wx.ROMAN)
+        f.SetFaceName('Times New Roman')
+        f.SetPointSize(f.GetPointSize()+3)
+        dc.SetFont(f)
+
+        if self.filename:
+            tlw, tlh = dc.GetTextExtent(self.filename)
+            dc.DrawText(self.filename,
+                  int(dw/scale/2-tlw/2), int(mh/scale-tlh*3))
+
+        if self.doPageNums:
+            pageLabel = _('Page: %d') % page
+            plw, plh = dc.GetTextExtent(pageLabel)
+            dc.DrawText(pageLabel,
+                  int(dw/scale/2-plw/2), int((textAreaHeight+mh)/scale+plh*2))
+
+        # render stc into dc
+        stcStartPos = stc.PositionFromLine((page-1)*self.linesPerPage)
+        stcEndPos = stc.GetLineEndPosition(page*self.linesPerPage-1)
+
+        maxWidth = 32000
+        stc.SetPrintColourMode(self.colourMode)
+        ep = stc.FormatRange(1, stcStartPos, stcEndPos, dc, dc,
+                        wx.Rect(int(mw/scale), int(mh/scale),
+                               maxWidth, int(textAreaHeight/scale)),
+                        wx.Rect(0, (page-1)*self.linesPerPage*self.stcLineHeight,
+                            maxWidth, self.stcLineHeight*self.linesPerPage))
+        # warn when fewer characters than expected are rendered by the stc when
+        # printing
+        if not self.IsPreview():
+            if ep < stcEndPos:
+                print _('warning: on page %s: not enough chars rendered, diff: %s')%(page, stcEndPos-ep)
+        return True
-
-
@@ -119 +208 @@
-        self._afterInit()
-        
+        self._printData = wx.PrintData()
+        self._printout = STCPrintout(self)
-        self._newFileName = _("< New File >")
-        self._curdir = os.getcwd()
@@ -192 +283 @@
-        super(dEditor, self).__del__()
-    
+    
+    def onPrintSetup(self):
+        dlgData = wx.PageSetupDialogData(self._printData)
+        printDlg = wx.PageSetupDialog(self, dlgData)
+        printDlg.ShowModal()
+        self._printData = wx.PrintData(dlgData.GetPrintData())
+        printDlg.Destroy()
+        
+    
+    def onPrintPreview(self):
+        po1 = STCPrintout(self, stc.STC_PRINT_COLOURONWHITEDEFAULTBG,
+                self._fileName, False)
+        po2 = STCPrintout(self, stc.STC_PRINT_COLOURONWHITEDEFAULTBG,
+                self._fileName, False)
+        self._printPreview = wx.PrintPreview(po1, po2, self._printData)
+        if not self._printPreview.Ok():
+            dabo.errorLog.write(_("An error occured while preparing preview."))
+            return
+        frame = wx.PreviewFrame(self._printPreview, self.Form, _("Print Preview"))
+        frame.Initialize()
+        frame.SetSize(self.Form.Size)
+        frame.CenterOnScreen()
+        frame.Show(True)
+
+
+    def onPrint(self, evt=None):
+        pdd = wx.PrintDialogData()
+        pdd.SetPrintData(self._printData)
+        printer = wx.Printer(pdd)
+        printout = STCPrintout(self, stc.STC_PRINT_COLOURONWHITEDEFAULTBG,
+                self._fileName, False)
+
+        if not printer.Print(self.Form, printout):
+            dabo.errorLog.write(_("An error occured while printing."))
+        else:
+            self.printData = wx.PrintData(printer.GetPrintDialogData().GetPrintData())
+        printout.Destroy()
+        
-    
-    def setBookmark(self, nm, line=None):