Update of /cvsroot/mahogany/M/src/modules
In directory sc8-pr-cvs1:/tmp/cvs-serv19252/src/modules
Modified Files:
TextViewer.cpp
Log Message:
implemented printing in text viewer (bug 812)
Index: TextViewer.cpp
===================================================================
RCS file: /cvsroot/mahogany/M/src/modules/TextViewer.cpp,v
retrieving revision 1.48
retrieving revision 1.49
diff -b -u -2 -r1.48 -r1.49
--- TextViewer.cpp 18 Sep 2003 16:31:02 -0000 1.48
+++ TextViewer.cpp 2 Oct 2003 22:54:26 -0000 1.49
@@ -34,5 +34,5 @@
#include <wx/textbuf.h>
-class TextViewerWindow;
+#include <wx/html/htmprint.h> // for wxHtmlEasyPrinting
#ifdef __WXMSW__
@@ -47,4 +47,23 @@
//#define USE_AUTO_URL_DETECTION
+class TextViewerWindow;
+
+// ----------------------------------------------------------------------------
+// wxTextEasyPrinting: easy way to print text (TODO: move to wxWindows)
+// ----------------------------------------------------------------------------
+
+class wxTextEasyPrinting : public wxHtmlEasyPrinting
+{
+public:
+ wxTextEasyPrinting(const wxString& name, wxWindow *parent = NULL)
+ : wxHtmlEasyPrinting(name, parent) { }
+
+ bool Print(wxTextCtrl *text) { return PrintText(ControlToHtml(text)); }
+ bool Preview(wxTextCtrl *text) { return PreviewText(ControlToHtml(text)); }
+
+private:
+ static wxString ControlToHtml(wxTextCtrl *text);
+};
+
// ----------------------------------------------------------------------------
// TextViewer: a wxTextCtrl-based MessageViewer implementation
@@ -116,7 +135,14 @@
private:
+ // create m_printText if necessary
+ void InitPrinting();
+
+
// the viewer window
TextViewerWindow *m_window;
+ // the object which does the printing
+ wxTextEasyPrinting *m_printText;
+
// the position of the last match used by Find() and FindAgain()
long m_posFind;
@@ -205,4 +231,100 @@
// ============================================================================
+// wxTextEasyPrinting implementation
+// ============================================================================
+
+/* static */
+wxString wxTextEasyPrinting::ControlToHtml(wxTextCtrl *text)
+{
+ wxCHECK_MSG( text, wxEmptyString, _T("NULL control in wxTextEasyPrinting") );
+
+ const long posEnd = text->GetLastPosition();
+
+ wxString s;
+ s.reserve(posEnd + 100);
+
+ s << _T("<html><body><tt>");
+
+ wxString ch;
+ wxTextAttr attr, attrNew;
+ for ( long pos = 0; pos < posEnd; pos++ )
+ {
+ ch = text->GetRange(pos, pos + 1);
+
+ // this is not implemented in wxGTK and doesn't want to work under MSW
+ // for some reason (TODO: debug it)
+#if 0
+ if ( text->GetStyle(pos, attrNew) )
+ {
+ bool changed = false;
+ if ( attrNew.GetTextColour() != attr.GetTextColour() )
+ {
+ if ( attrNew.HasTextColour() )
+ {
+ s << _T("<font color=\"#")
+ << Col2Html(attrNew.GetTextColour())
+ << _T("\">");
+ }
+ else
+ {
+ s << _T("</font>");
+ }
+
+ changed = true;
+ }
+
+ if ( changed )
+ {
+ attr = attrNew;
+ }
+ }
+#endif // 0
+
+ switch ( ch[0u] )
+ {
+ case '<':
+ s += "<";
+ break;
+
+ case '>':
+ s += ">";
+ break;
+
+ case '&':
+ s += "&";
+ break;
+
+ case '"':
+ s += """;
+ break;
+
+ case '\t':
+ // we hardcode the tab width to 8 spaces
+ s += " ";
+ break;
+
+ case '\r':
+ // ignore, we process '\n' below
+ break;
+
+ case '\n':
+ s += "<br>\n";
+ break;
+
+ case ' ':
+ s += " ";
+ break;
+
+ default:
+ s += ch[0u];
+ }
+ }
+
+ s << _T("</tt></body></html>");
+
+ return s;
+}
+
+// ============================================================================
// TextViewerWindow implementation
// ============================================================================
@@ -372,4 +494,5 @@
{
m_window = NULL;
+ m_printText = NULL;
m_posFind = -1;
}
@@ -463,16 +586,30 @@
// ----------------------------------------------------------------------------
+void TextViewer::InitPrinting()
+{
+ if ( !m_printText )
+ {
+ m_printText = new wxTextEasyPrinting(_("Mahogany Printing"),
+ GetFrame(m_window));
+ }
+
+ wxMApp *app = (wxMApp *)mApplication;
+
+ *m_printText->GetPrintData() = *app->GetPrintData();
+ *m_printText->GetPageSetupData() = *app->GetPageSetupData();
+}
+
bool TextViewer::Print()
{
- // just to give the error message...
- PrintPreview();
+ InitPrinting();
- return false;
+ return m_printText->Print(m_window);
}
void TextViewer::PrintPreview()
{
- wxLogError(_("Sorry, printing is not supported by the text viewer.\n"
- "Please change to another viewer to print this message."));
+ InitPrinting();
+
+ (void)m_printText->Preview(m_window);
}
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