Added wxDF_HTML

Added VC++/non-Unicode for setting HTML clipboard data Changed FloodFill to return a bool value git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15185 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-04-17 11:48:11 +00:00
parent 4101db8100
commit 387ebd3eb7
28 changed files with 142 additions and 47 deletions
--- a/docs/latex/wx/dataform.tex
+++ b/docs/latex/wx/dataform.tex
@@ -29,6 +29,8 @@ functions taking a wxDataFormat argument sometimes}
 \twocolitem{wxDF\_BITMAP}{A bitmap (wxBitmap)}
 \twocolitem{wxDF\_METAFILE}{A metafile (wxMetafile, Windows only)}
 \twocolitem{wxDF\_FILENAME}{A list of filenames}
+\twocolitem{wxDF\_HTML}{An HTML string. This is only valid when passed to wxSetClipboardData
+when compiled with Visual C++ in non-Unicode mode}
 \end{twocollist}

 As mentioned above, these standard formats may be passed to any function taking
--- a/docs/latex/wx/dc.tex
+++ b/docs/latex/wx/dc.tex
@@ -487,7 +487,7 @@ Ends a document page (only relevant when outputting to a printer).

 \membersection{wxDC::FloodFill}\label{wxdcfloodfill}

-\func{void}{FloodFill}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{const wxColour\&}{ colour}, \param{int}{ style=wxFLOOD\_SURFACE}}
+\func{bool}{FloodFill}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{const wxColour\&}{ colour}, \param{int}{ style=wxFLOOD\_SURFACE}}

 Flood fills the device context starting from the given point, using
 the {\it current brush colour}, and using a style:
@@ -497,8 +497,11 @@ the {\it current brush colour}, and using a style:
 \item wxFLOOD\_BORDER: the area to be flooded is bounded by the given colour.
 \end{itemize}

+Returns FALSE if the operation failed.
+
 {\it Note:} The present implementation for non-Windows platforms may fail to find
-colour borders if the pixels do not match the colour exactly.
+colour borders if the pixels do not match the colour exactly. However the
+function will still return TRUE.

 \membersection{wxDC::GetBackground}\label{wxdcgetbackground}

--- a/docs/latex/wx/valtext.tex
+++ b/docs/latex/wx/valtext.tex
@@ -48,7 +48,7 @@ checks if the user input is on the list, complaining if not.}
 checks if the user input is on the list, complaining if it is.}
 \twocolitem{{\bf wxFILTER\_INCLUDE\_CHAR\_LIST}}{Use an include list. The validator
 checks if each input character is in the list (one character per list element), complaining if not.}
-\twocolitem{{\bf wxFILTER\_INCLUDE\_CHAR\_LIST}}{Use an include list. The validator
+\twocolitem{{\bf wxFILTER\_EXCLUDE\_CHAR\_LIST}}{Use an include list. The validator
 checks if each input character is in the list (one character per list element), complaining if it is.}
 \end{twocollist}
 }
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -147,12 +147,12 @@ public:
        CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
    }

-    void FloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
                   int style = wxFLOOD_SURFACE)
-        { DoFloodFill(x, y, col, style); }
-    void FloodFill(const wxPoint& pt, const wxColour& col,
+        { return DoFloodFill(x, y, col, style); }
+    bool FloodFill(const wxPoint& pt, const wxColour& col,
                   int style = wxFLOOD_SURFACE)
-        { DoFloodFill(pt.x, pt.y, col, style); }
+        { return DoFloodFill(pt.x, pt.y, col, style); }

    bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
        { return DoGetPixel(x, y, col); }
@@ -607,7 +607,7 @@ public:

 protected:
    // the pure virtual functions which should be implemented by wxDC
-    virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             int style = wxFLOOD_SURFACE) = 0;

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -1463,6 +1463,7 @@ enum wxDataFormatId
    wxDF_FILENAME =         15, /* CF_HDROP */
    wxDF_LOCALE =           16,
    wxDF_PRIVATE =          20,
+    wxDF_HTML =             30, /* Note: does not correspond to CF_ constant */
    wxDF_MAX
 };

--- a/include/wx/dragimag.h
+++ b/include/wx/dragimag.h
@@ -3,6 +3,10 @@

 #if wxUSE_DRAGIMAGE

+class WXDLLEXPORT wxRect;
+class WXDLLEXPORT wxMemoryDC;
+class WXDLLEXPORT wxDC;
+
 #if defined(__WXMSW__)
 #ifdef __WIN16__
 #include "wx/generic/dragimgg.h"
--- a/include/wx/generic/dcpsg.h
+++ b/include/wx/generic/dcpsg.h
@@ -62,7 +62,7 @@ public:
  virtual void BeginDrawing() {}
  virtual void EndDrawing() {}

-  void DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
+  bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
  bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;

  void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
--- a/include/wx/gtk/dcclient.h
+++ b/include/wx/gtk/dcclient.h
@@ -42,7 +42,7 @@ public:

 protected:
    virtual void DoGetSize(int *width, int *height) const;
-    virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
+    virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
    virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;

    virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
--- a/include/wx/gtk1/dcclient.h
+++ b/include/wx/gtk1/dcclient.h
@@ -42,7 +42,7 @@ public:

 protected:
    virtual void DoGetSize(int *width, int *height) const;
-    virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
+    virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
    virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;

    virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
--- a/include/wx/mac/dc.h
+++ b/include/wx/mac/dc.h
@@ -189,7 +189,7 @@ class WXDLLEXPORT wxDC: public wxDCBase
 //

 protected:
-    virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             int style = wxFLOOD_SURFACE);

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
--- a/include/wx/mgl/dc.h
+++ b/include/wx/mgl/dc.h
@@ -167,7 +167,7 @@ public:
    void SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC = FALSE);

 protected:
-    virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             int style = wxFLOOD_SURFACE);

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
--- a/include/wx/motif/dcclient.h
+++ b/include/wx/motif/dcclient.h
@@ -90,7 +90,7 @@ public:
    void SetAutoSetting(bool flag) { m_autoSetting = flag; }
    
 protected:
-    virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
        int style = wxFLOOD_SURFACE);
    
    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
--- a/include/wx/msw/dc.h
+++ b/include/wx/msw/dc.h
@@ -135,7 +135,7 @@ public:
 #endif

 protected:
-    virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             int style = wxFLOOD_SURFACE);

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
--- a/include/wx/os2/dc.h
+++ b/include/wx/os2/dc.h
@@ -202,7 +202,7 @@ public:
 #endif

 protected:
-    virtual void DoFloodFill( wxCoord         vX
+    virtual bool DoFloodFill( wxCoord         vX
                             ,wxCoord         vY
                             ,const wxColour& rCol
                             ,int             nStyle = wxFLOOD_SURFACE
--- a/include/wx/x11/dcclient.h
+++ b/include/wx/x11/dcclient.h
@@ -46,7 +46,7 @@ public:

 protected:
    virtual void DoGetSize(int *width, int *height) const;
-    virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE );
+    virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE );
    virtual bool DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const;
    
    virtual void DoDrawPoint(wxCoord x, wxCoord y);
--- a/src/common/imagfill.cpp
+++ b/src/common/imagfill.cpp
@@ -273,11 +273,11 @@ wxImageFloodFill(wxImage *image,
 }


-void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
                   const wxColour& col, int style)
 {
    if (dc->GetBrush().GetStyle() == wxTRANSPARENT)
-        return;
+        return TRUE;

    int height = 0;
    int width  = 0;
@@ -286,6 +286,9 @@ void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
    //it would be nice to fail if we don't get a sensible size...
    wxCHECK_RET(width >= 1 && height >= 1, wxT("In FloodFill, dc.GetSize routine failed, method not supported by this DC"));
    
+    if (width <= 1 || height <= 1)
+        return FALSE;
+
    //this is much faster than doing the individual pixels
    wxMemoryDC memdc;
    wxBitmap bitmap(width, height);
@@ -300,6 +303,8 @@ void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
    memdc.SelectObject(bitmap);
    dc->Blit(0, 0, width, height, &memdc, 0, 0);
    memdc.SelectObject(wxNullBitmap);
+    
+    return TRUE;
 }

 #endif // wxUSE_IMAGE
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -441,9 +441,10 @@ void wxPostScriptDC::Clear()
    wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
 }

-void wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
+bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
 {
    wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
+    return FALSE;
 }

 bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -401,13 +401,13 @@ void wxWindowDC::DoGetSize( int* width, int* height ) const
    m_owner->GetSize(width, height);
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
                             const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -401,13 +401,13 @@ void wxWindowDC::DoGetSize( int* width, int* height ) const
    m_owner->GetSize(width, height);
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
                             const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
--- a/src/mac/carbon/dc.cpp
+++ b/src/mac/carbon/dc.cpp
@@ -649,13 +649,13 @@ void  wxDC::SetLogicalFunction( int function )
 	m_macPenInstalled = false ;
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
                       const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const 
--- a/src/mac/dc.cpp
+++ b/src/mac/dc.cpp
@@ -649,13 +649,13 @@ void  wxDC::SetLogicalFunction( int function )
 	m_macPenInstalled = false ;
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
                       const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const 
--- a/src/mgl/dc.cpp
+++ b/src/mgl/dc.cpp
@@ -332,13 +332,13 @@ void wxDC::Clear()
    }
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
                       const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -231,13 +231,13 @@ wxWindowDC::~wxWindowDC()
    m_userRegion = (WXRegion) 0;
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
                             const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }
  
 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -298,6 +298,80 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                handle = SetClipboardData(dataFormat, hGlobalMemory);
                break;
            }
+            // Only tested with non-Unicode, Visual C++ 6.0 so far
+#if defined(__VISUALC__) && !defined(UNICODE)
+        case wxDF_HTML:
+            {
+                char* html = (char *)data;
+                
+                // Create temporary buffer for HTML header...
+                char *buf = new char [400 + strlen(html)];
+                if(!buf) return FALSE;
+                
+                // Get clipboard id for HTML format...
+                static int cfid = 0;
+                if(!cfid) cfid = RegisterClipboardFormat(wxT("HTML Format"));
+                
+                // Create a template string for the HTML header...
+                strcpy(buf,
+                    "Version:0.9\r\n"
+                    "StartHTML:00000000\r\n"
+                    "EndHTML:00000000\r\n"
+                    "StartFragment:00000000\r\n"
+                    "EndFragment:00000000\r\n"
+                    "<html><body>\r\n"
+                    "<!--StartFragment -->\r\n");
+                
+                // Append the HTML...
+                strcat(buf, html);
+                strcat(buf, "\r\n");
+                // Finish up the HTML format...
+                strcat(buf,
+                    "<!--EndFragment-->\r\n"
+                    "</body>\r\n"
+                    "</html>");
+                
+                // Now go back, calculate all the lengths, and write out the
+                // necessary header information. Note, wsprintf() truncates the
+                // string when you overwrite it so you follow up with code to replace
+                // the 0 appended at the end with a '\r'...
+                char *ptr = strstr(buf, "StartHTML");
+                wsprintf(ptr+10, "%08u", strstr(buf, "<html>") - buf);
+                *(ptr+10+8) = '\r';
+                
+                ptr = strstr(buf, "EndHTML");
+                wsprintf(ptr+8, "%08u", strlen(buf));
+                *(ptr+8+8) = '\r';
+                
+                ptr = strstr(buf, "StartFragment");
+                wsprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf);
+                *(ptr+14+8) = '\r';
+                
+                ptr = strstr(buf, "EndFragment");
+                wsprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf);
+                *(ptr+12+8) = '\r';
+                
+                // Now you have everything in place ready to put on the
+                // clipboard.
+                
+                // Allocate global memory for transfer...
+                HGLOBAL hText = GlobalAlloc(GMEM_MOVEABLE |GMEM_DDESHARE, strlen(buf)+4);
+                
+                // Put your string in the global memory...
+                ptr = (char *)GlobalLock(hText);
+                strcpy(ptr, buf);
+                GlobalUnlock(hText);
+                
+                handle = ::SetClipboardData(cfid, hText);
+                
+                // Free memory...
+                GlobalFree(hText);
+                
+                // Clean up...
+                delete [] buf;
+                break;
+            }
+#endif
    }

    if ( handle == 0 )
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -468,16 +468,17 @@ void wxDC::Clear()
    ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
 }

-void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
+bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
 {
 #ifdef __WXMICROWIN__
-    if (!GetHDC()) return;
+    if (!GetHDC()) return FALSE;
 #endif

-    if ( !::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
+    bool success = (0 != ::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
                         col.GetPixel(),
                         style == wxFLOOD_SURFACE ? FLOODFILLSURFACE
-                                                  : FLOODFILLBORDER) )
+                                                  : FLOODFILLBORDER) ) ;
+    if (!success)
    {
        // quoting from the MSDN docs:
        //
@@ -495,6 +496,8 @@ void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
    }

    CalcBoundingBox(x, y);
+    
+    return success;
 }

 bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
--- a/src/os2/dc.cpp
+++ b/src/os2/dc.cpp
@@ -557,7 +557,7 @@ void wxDC::Clear()
    ::GpiErase(m_hPS);
 } // end of wxDC::Clear

-void wxDC::DoFloodFill(
+bool wxDC::DoFloodFill(
  wxCoord                           vX
 , wxCoord                           vY
 , const wxColour&                   rCol
@@ -577,6 +577,8 @@ void wxDC::DoFloodFill(
        lOptions = FF_SURFACE;

    ::GpiFloodFill(m_hPS, lOptions, lColor);
+    
+    return TRUE;
 } // end of wxDC::DoFloodFill

 bool wxDC::DoGetPixel(
--- a/src/univ/renderer.cpp
+++ b/src/univ/renderer.cpp
@@ -512,7 +512,7 @@ void wxControlRenderer::DrawBitmap(wxDC &dc,
    else if ( stretch & wxEXPAND )
    {
        // stretch bitmap to fill the entire control
-        bmp = wxImage(bmp.ConvertToImage()).Scale(rect.width, rect.height);
+        bmp = wxBitmap(wxImage(bmp.ConvertToImage()).Scale(rect.width, rect.height));
    }
    else // not stretched, not tiled
    {
--- a/src/x11/dcclient.cpp
+++ b/src/x11/dcclient.cpp
@@ -313,13 +313,13 @@ void wxWindowDC::DoGetSize( int* width, int* height ) const
    m_owner->GetSize(width, height);
 }

-extern void wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
                          const wxColour & col, int style);

-void wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
                             const wxColour& col, int style)
 {
-    wxDoFloodFill(this, x, y, col, style);
+    return wxDoFloodFill(this, x, y, col, style);
 }

 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const