]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/gnome/gprint.cpp
added wxDialog::GetParentForModalDialog() and use it to try to always create modal...
[wxWidgets.git] / src / gtk / gnome / gprint.cpp
index ff86288a88cc899a082ff3484ee21a0c65fc29e8..672823aac5b9b5aa3bff0af42b9477dcf4220e28 100644 (file)
     #pragma hdrstop
 #endif
 
+#if wxUSE_LIBGNOMEPRINT
+
 #include "wx/gtk/gnome/gprint.h"
 
-#if wxUSE_LIBGNOMEPRINT
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/dcmemory.h"
+    #include "wx/icon.h"
+    #include "wx/math.h"
+    #include "wx/image.h"
+    #include "wx/module.h"
+#endif
 
-#include "wx/math.h"
 #include "wx/fontutil.h"
-#include "wx/printdlg.h"
 #include "wx/gtk/private.h"
-#include "wx/module.h"
-#include "wx/generic/prntdlgg.h"
 #include "wx/dynlib.h"
+#include "wx/paper.h"
 
 #include <libgnomeprint/gnome-print.h>
 #include <libgnomeprint/gnome-print-pango.h>
@@ -36,8 +42,8 @@
 
 static const double RAD2DEG  = 180.0 / M_PI;
 
-#include "wx/html/forcelnk.h"
-FORCE_LINK_ME(gnome_print)
+#include "wx/link.h"
+wxFORCE_LINK_THIS_MODULE(gnome_print)
 
 //----------------------------------------------------------------------------
 // wxGnomePrintLibrary
@@ -165,6 +171,8 @@ public:
 
     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
+
+    DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
 };
 
 wxGnomePrintLibrary::wxGnomePrintLibrary()
@@ -276,7 +284,7 @@ wxGnomePrintNativeData::wxGnomePrintNativeData()
 
 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 {
-    g_object_unref (G_OBJECT (m_config));
+    g_object_unref (m_config);
 }
 
 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
@@ -304,14 +312,14 @@ wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview
                                                     wxPrintout *printout,
                                                     wxPrintDialogData *data )
 {
-    return new wxPostScriptPrintPreview( preview, printout, data );
+    return new wxGnomePrintPreview( preview, printout, data );
 }
 
 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
                                                     wxPrintout *printout,
                                                     wxPrintData *data )
 {
-    return new wxPostScriptPrintPreview( preview, printout, data );
+    return new wxGnomePrintPreview( preview, printout, data );
 }
 
 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
@@ -349,6 +357,11 @@ wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrint
     return NULL;
 }
 
+wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
+{
+    return new wxGnomePrintDC(data);
+}
+
 bool wxGnomePrintFactory::HasOwnPrintToFile()
 {
     return true;
@@ -703,8 +716,9 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
     if (!dc)
     {
         gs_lgp->gnome_print_job_close( job );
-        g_object_unref (G_OBJECT (job));
-        sm_lastError = wxPRINTER_ERROR;
+        g_object_unref (job);
+        if (sm_lastError != wxPRINTER_CANCELLED)
+            sm_lastError = wxPRINTER_ERROR;
         return false;
     }
 
@@ -721,9 +735,10 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
     int w, h;
     dc->GetSize(&w, &h);
     printout->SetPageSizePixels((int)w, (int)h);
-    dc->GetSizeMM(&w, &h);
-    printout->SetPageSizeMM((int)w, (int)h);
-
+    printout->SetPaperRectPixels(wxRect(0, 0, w, h));
+    int mw, mh;
+    dc->GetSizeMM(&mw, &mh);
+    printout->SetPageSizeMM((int)mw, (int)mh);
     printout->OnPreparePrinting();
 
     // Get some parameters from the printout, if defined
@@ -734,7 +749,7 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
     if (maxPage == 0)
     {
         gs_lgp->gnome_print_job_close( job );
-        g_object_unref (G_OBJECT (job));
+        g_object_unref (job);
         sm_lastError = wxPRINTER_ERROR;
         return false;
     }
@@ -779,15 +794,20 @@ bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
     gs_lgp->gnome_print_job_close( job );
     if (m_native_preview)
     {
-        wxString title( _("Print preview") );
-        gtk_widget_show( gs_lgp->gnome_print_job_preview_new( job, (const guchar*)(const char*)wxGTK_CONV(title) ));
+        const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
+        GtkWidget *preview = gs_lgp->gnome_print_job_preview_new
+                                     (
+                                        job,
+                                        (const guchar *)title.data()
+                                     );
+        gtk_widget_show(preview);
     }
     else
     {
         gs_lgp->gnome_print_job_print( job );
     }
 
-    g_object_unref (G_OBJECT (job));
+    g_object_unref (job);
     delete dc;
 
     return (sm_lastError == wxPRINTER_NO_ERROR);
@@ -825,9 +845,37 @@ wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
     m_printer = printer;
 
     m_gpc = printer->GetPrintContext();
+    m_job = NULL; // only used and destroyed when created with wxPrintData
+
+    m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
+    m_fontdesc = pango_font_description_from_string( "Sans 12" );
+    m_context = NULL;
+
+    m_currentRed = 0;
+    m_currentBlue = 0;
+    m_currentGreen = 0;
+
+    m_signX =  1;  // default x-axis left to right
+    m_signY = -1;  // default y-axis bottom up -> top down
+
+    GetSize( NULL, &m_deviceOffsetY );
+}
+
+wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
+{
+    m_printer = NULL;
+    m_printData = data;
+
+    wxGnomePrintNativeData *native =
+        (wxGnomePrintNativeData*) m_printData.GetNativeData();
+
+    GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
+    m_gpc = gs_lgp->gnome_print_job_get_context (job);
+    m_job = job; // only used and destroyed when created with wxPrintData
 
     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
     m_fontdesc = pango_font_description_from_string( "Sans 12" );
+    m_context = NULL;
 
     m_currentRed = 0;
     m_currentBlue = 0;
@@ -835,13 +883,17 @@ wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 
     m_signX =  1;  // default x-axis left to right
     m_signY = -1;  // default y-axis bottom up -> top down
+
+    GetSize( NULL, &m_deviceOffsetY );
 }
 
 wxGnomePrintDC::~wxGnomePrintDC()
 {
+    if (m_job)
+        g_object_unref (m_job);
 }
 
-bool wxGnomePrintDC::Ok() const
+bool wxGnomePrintDC::IsOk() const
 {
     return true;
 }
@@ -905,25 +957,25 @@ void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoo
         while (alpha2 > 360)  alpha2 -= 360;
     }
 
-        if (m_brush.GetStyle() != wxTRANSPARENT)
-        {
-            SetBrush( m_brush );
-            gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
-            gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
+    if (m_brush.GetStyle() != wxTRANSPARENT)
+    {
+        SetBrush( m_brush );
+        gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
+        gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 
-            gs_lgp->gnome_print_fill( m_gpc );
-        }
+        gs_lgp->gnome_print_fill( m_gpc );
+    }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
-        {
-            SetPen (m_pen);
-            gs_lgp->gnome_print_newpath( m_gpc );
-            gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
-            gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
-            gs_lgp->gnome_print_closepath( m_gpc );
+    if (m_pen.GetStyle() != wxTRANSPARENT)
+    {
+        SetPen (m_pen);
+        gs_lgp->gnome_print_newpath( m_gpc );
+        gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
+        gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
+        gs_lgp->gnome_print_closepath( m_gpc );
 
-            gs_lgp->gnome_print_stroke( m_gpc );
-        }
+        gs_lgp->gnome_print_stroke( m_gpc );
+    }
 
     CalcBoundingBox (x1, y1);
     CalcBoundingBox (x2, y2);
@@ -1154,30 +1206,59 @@ void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width,
     }
 }
 
+void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
+                                        wxCoord width, wxCoord height)
+{
+    double r = 4 * (sqrt (2) - 1) / 3;
+    double  halfW = 0.5 * width,
+            halfH = 0.5 * height,
+            halfWR = r * halfW,
+            halfHR = r * halfH;
+    wxCoord halfWI = (wxCoord) halfW,
+            halfHI = (wxCoord) halfH;
+
+    gs_lgp->gnome_print_newpath( m_gpc );
+
+    // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
+    gs_lgp->gnome_print_moveto( m_gpc,
+                XLOG2DEV(x + width),
+                YLOG2DEV(y + halfHI) );
+    gs_lgp->gnome_print_curveto( m_gpc,
+                XLOG2DEV(x + width),
+                YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
+                XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
+                YLOG2DEV(y + height),
+                XLOG2DEV(x + halfWI),
+                YLOG2DEV(y + height) );
+    gs_lgp->gnome_print_curveto( m_gpc,
+                XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
+                YLOG2DEV(y + height),
+                XLOG2DEV(x),
+                YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
+                XLOG2DEV(x), YLOG2DEV(y+halfHI) );
+    gs_lgp->gnome_print_curveto( m_gpc,
+                XLOG2DEV(x),
+                YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
+                XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
+                YLOG2DEV(y),
+                XLOG2DEV(x+halfWI), YLOG2DEV(y) );
+    gs_lgp->gnome_print_curveto( m_gpc,
+                XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
+                YLOG2DEV(y),
+                XLOG2DEV(x + width),
+                YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
+                XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
+
+    gs_lgp->gnome_print_closepath(m_gpc);
+}
+
 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
     if (m_brush.GetStyle () != wxTRANSPARENT)
     {
         SetBrush( m_brush );
-
-        gs_lgp->gnome_print_newpath( m_gpc );
-        gs_lgp->gnome_print_moveto( m_gpc,
-                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
-
-        // start with top half
-        gs_lgp->gnome_print_curveto( m_gpc,
-                            XLOG2DEV(x), YLOG2DEV(y),
-                            XLOG2DEV(x+width), YLOG2DEV(y),
-                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
-        // lower half
-        gs_lgp->gnome_print_curveto( m_gpc,
-                            XLOG2DEV(x+width), YLOG2DEV(y+height),
-                            XLOG2DEV(x), YLOG2DEV(y+height),
-                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
-
-        gs_lgp->gnome_print_closepath( m_gpc );
+        makeEllipticalPath( x, y, width, height );
         gs_lgp->gnome_print_fill( m_gpc );
-
         CalcBoundingBox( x, y );
         CalcBoundingBox( x + width, y + height );
     }
@@ -1185,25 +1266,8 @@ void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord
     if (m_pen.GetStyle () != wxTRANSPARENT)
     {
         SetPen (m_pen);
-
-        gs_lgp->gnome_print_newpath( m_gpc );
-        gs_lgp->gnome_print_moveto( m_gpc,
-                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
-
-        // start with top half
-        gs_lgp->gnome_print_curveto( m_gpc,
-                            XLOG2DEV(x), YLOG2DEV(y),
-                            XLOG2DEV(x+width), YLOG2DEV(y),
-                            XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
-        // lower half
-        gs_lgp->gnome_print_curveto( m_gpc,
-                            XLOG2DEV(x+width), YLOG2DEV(y+height),
-                            XLOG2DEV(x), YLOG2DEV(y+height),
-                            XLOG2DEV(x), YLOG2DEV(y+height/2) );
-
-        gs_lgp->gnome_print_closepath( m_gpc );
+        makeEllipticalPath( x, y, width, height );
         gs_lgp->gnome_print_stroke( m_gpc );
-
         CalcBoundingBox( x, y );
         CalcBoundingBox( x + width, y + height );
     }
@@ -1516,6 +1580,22 @@ void wxGnomePrintDC::SetPen( const wxPen& pen )
         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
+        case wxUSER_DASH:
+        {
+            // It may be noted that libgnomeprint between at least
+            // versions 2.8.0 and 2.12.1 makes a copy of the dashes
+            // and then leak the memory since it doesn't set the
+            // internal flag "privatedash" to 0.
+            wxDash *wx_dashes;
+            int num = m_pen.GetDashes (&wx_dashes);
+            gdouble *g_dashes = g_new( gdouble, num );
+            int i;
+            for (i = 0; i < num; ++i)
+                g_dashes[i] = (gdouble) wx_dashes[i];
+            gs_lgp -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
+            g_free( g_dashes );
+        }
+        break;
         case wxSOLID:
         case wxTRANSPARENT:
         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
@@ -1597,8 +1677,6 @@ void wxGnomePrintDC::DestroyClippingRegion()
 
 bool wxGnomePrintDC::StartDoc(const wxString& message)
 {
-    SetDeviceOrigin( 0,0 );
-
     return true;
 }
 
@@ -1710,7 +1788,6 @@ void wxGnomePrintDC::DoGetSize(int* width, int* height) const
       (wxGnomePrintNativeData*) m_printData.GetNativeData();
 
     // Query page size. This seems to omit the margins
-    // right now, although it shouldn't
     double pw,ph;
     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
 
@@ -1756,13 +1833,14 @@ void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
     ComputeScaleAndOrigin();
 }
 
-void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
+void wxGnomePrintDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 {
-    int h = 0;
-    int w = 0;
-    GetSize( &w, &h );
+    wxDC::SetLogicalOrigin( x, y );
+}
 
-    wxDC::SetDeviceOrigin( x, h-y );
+void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
+{
+    wxDC::SetDeviceOrigin( x, y );
 }
 
 void wxGnomePrintDC::SetResolution(int ppi)
@@ -1801,5 +1879,96 @@ void wxGnomePrintModule::OnExit()
 
 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
 
+// ----------------------------------------------------------------------------
+// Print preview
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
+
+void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
+                                    wxPrintout * WXUNUSED(printoutForPrinting))
+{
+    DetermineScaling();
+}
+
+wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
+                                                   wxPrintout *printoutForPrinting,
+                                                   wxPrintDialogData *data)
+                        : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+    Init(printout, printoutForPrinting);
+}
+
+wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
+                                                   wxPrintout *printoutForPrinting,
+                                                   wxPrintData *data)
+                        : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+    Init(printout, printoutForPrinting);
+}
+
+wxGnomePrintPreview::~wxGnomePrintPreview()
+{
+}
+
+bool wxGnomePrintPreview::Print(bool interactive)
+{
+    if (!m_printPrintout)
+        return false;
+
+    wxPrinter printer(& m_printDialogData);
+    return printer.Print(m_previewFrame, m_printPrintout, interactive);
+}
+
+void wxGnomePrintPreview::DetermineScaling()
+{
+    wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
+    if (paperType == wxPAPER_NONE)
+        paperType = wxPAPER_NONE;
+
+    wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
+    if (!paper)
+        paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
+
+    if (paper)
+    {
+        wxSize ScreenPixels = wxGetDisplaySize();
+        wxSize ScreenMM = wxGetDisplaySizeMM();
+
+        m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
+                                         (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
+        m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
+
+        wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
+
+        // TODO: get better resolution information from wxGnomePrintDC, if possible.
+
+        sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
+        sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
+        wxSize sizeTenthsMM(paper->GetSize());
+        wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
+
+        // If in landscape mode, we need to swap the width and height.
+        if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
+        {
+            m_pageWidth = sizeDevUnits.y;
+            m_pageHeight = sizeDevUnits.x;
+            m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
+        }
+        else
+        {
+            m_pageWidth = sizeDevUnits.x;
+            m_pageHeight = sizeDevUnits.y;
+            m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
+        }
+        m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
+        m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
+
+        // At 100%, the page should look about page-size on the screen.
+        m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
+        m_previewScaleY = m_previewScaleX;
+    }
+}
+
 #endif
     // wxUSE_LIBGNOMEPRINT