printing added

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@312 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

user/wxLayout/wxllist.cpp

@@ -25,6 +25,10 @@
 #include   "wxllist.h"
 #include   "iostream"
 
+#include   <wx/dc.h>
+#include   <wx/postscrp.h>
+#include   <wx/print.h>
+
 #define   BASELINESTRETCH   12
 
 #define   VAR(x)   cerr << #x"=" << x << endl;
@@ -272,6 +276,40 @@ wxLayoutList::Draw(wxDC &dc, bool findObject, wxPoint const &findCoords)
    // used temporarily
    wxLayoutObjectText *tobj = NULL;
 
+
+   // this is needed for printing to a printer:
+   // only interesting for printer/PS output
+   int pageWidth, pageHeight;   //GetSize() still needs int at the moment
+   struct
+   {
+      int top, bottom, left, right;
+   } margins;
+
+   if(
+#ifdef __WXMSW__
+      dc.IsKindOf(CLASSINFO(wxPrinterDC)) ||
+#endif
+      dc.IsKindOf(CLASSINFO(wxPostScriptDC)))
+   {
+      VAR(wxThePrintSetupData);
+      
+      dc.GetSize(&pageWidth, &pageHeight);
+      dc.StartDoc(_("Printing..."));
+      dc.StartPage();
+      margins.top = (1*pageHeight)/10;    // 10%
+      margins.bottom = (9*pageHeight)/10; // 90%
+      margins.left = (1*pageWidth)/10;
+      margins.right = (9*pageWidth)/10;
+   }
+   else
+   {
+      margins.top = 0; margins.left = 0;
+      margins.right = -1;
+      margins.bottom = -1;
+   }
+   position.y = margins.right;
+   position.x = margins.left;
+   
    VAR(findObject); VAR(findCoords.x); VAR(findCoords.y);
    // if the cursorobject is a cmd, we need to find the first
    // printable object:
@@ -379,7 +417,16 @@ wxLayoutList::Draw(wxDC &dc, bool findObject, wxPoint const &findCoords)
          }
 
          if(! draw) // finished calculating sizes
-         {  // do this line again, this time drawing it
+         {
+            // if the this line needs to go onto a new page, we need
+            // to change pages before drawing it:
+            if(margins.bottom != -1 && position.y > margins.bottom)
+            {
+               dc.EndPage();
+               position_HeadOfLine.y = margins.top;
+               dc.StartPage();
+            }
+            // do this line again, this time drawing it
             position = position_HeadOfLine;
             draw = true;
             i = headOfLine;
@@ -394,7 +441,7 @@ wxLayoutList::Draw(wxDC &dc, bool findObject, wxPoint const &findCoords)
       // is it a linebreak?
       if(type == WXLO_TYPE_LINEBREAK || i == tail())
       {
-         position.x = 0;
+         position.x = margins.left;
          position.y += baseLineSkip;
          baseLine = m_FontPtSize;
          objBaseLine = baseLine; // not all objects set it
@@ -405,6 +452,7 @@ wxLayoutList::Draw(wxDC &dc, bool findObject, wxPoint const &findCoords)
       }
       i++;
    }
+   dc.EndDoc();
    m_MaxY = position.y;
    return foundObject;
 }

user/wxLayout/wxlwindow.cpp

@@ -141,6 +141,8 @@ wxLayoutWindow::UpdateScrollbars(void)
 void
 wxLayoutWindow::Print(void)
 {
+   VAR(wxThePrintSetupData);
+
    wxPostScriptDC   dc("layout.ps",true,this);
    if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
    {