X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/92337e39b91b3928cfa8e71803da2a1e9506eb75..04fa04d8067d235ab45b5bc05b65f0679634b541:/src/html/m_layout.cpp

diff --git a/src/html/m_layout.cpp b/src/html/m_layout.cpp
index e501f1f6dc..c54b437c86 100644
--- a/src/html/m_layout.cpp
+++ b/src/html/m_layout.cpp
@@ -1,27 +1,23 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        m_layout.cpp
+// Name:        src/html/m_layout.cpp
 // Purpose:     wxHtml module for basic paragraphs/layout handling
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#endif
 
 #include "wx/wxprec.h"
 
-
-#include "wx/defs.h"
-#if wxUSE_HTML && wxUSE_STREAMS
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#ifndef WXPRECOMP
-#endif
+#if wxUSE_HTML && wxUSE_STREAMS
 
+#ifndef WX_PRECOMP
+    #include "wx/image.h"
+#endif
 
 #include "wx/html/forcelnk.h"
 #include "wx/html/m_templ.h"
@@ -30,8 +26,11 @@
 
 FORCE_LINK_ME(m_layout)
 
-
-#include <stdlib.h> // bsearch()
+#ifdef __WXWINCE__
+    #include "wx/msw/wince/missing.h"       // for bsearch()
+#else
+    #include <stdlib.h>                     // bsearch()
+#endif
 
 //-----------------------------------------------------------------------------
 // wxHtmlPageBreakCell
@@ -66,78 +65,80 @@ FORCE_LINK_ME(m_layout)
 // array wxHtmlPrintout::m_PageBreaks of pagebreaks already set, and
 // set a new one only if it's not in that array.
 
-class WXDLLEXPORT wxHtmlPageBreakCell : public wxHtmlCell
+class wxHtmlPageBreakCell : public wxHtmlCell
 {
-  public:
+public:
     wxHtmlPageBreakCell() {}
 
-    bool AdjustPagebreak(int* pagebreak, int* known_pagebreaks = NULL, int number_of_pages = 0) const;
+    bool AdjustPagebreak(int* pagebreak,
+                         wxArrayInt& known_pagebreaks) const;
 
-  private:
-    DECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell)
-};
+    void Draw(wxDC& WXUNUSED(dc),
+              int WXUNUSED(x), int WXUNUSED(y),
+              int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+              wxHtmlRenderingInfo& WXUNUSED(info)) {}
 
-// Comparison routine for bsearch into an int* array of pagebreaks.
-static int integer_compare(void const* i0, void const* i1)
-{
-    return *(int*)i0 - *(int*)i1;
-}
+private:
+    wxDECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell);
+};
 
-bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, int* known_pagebreaks, int number_of_pages) const
+bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, wxArrayInt& known_pagebreaks) const
 {
     // When we are counting pages, 'known_pagebreaks' is non-NULL.
     // That's the only time we change 'pagebreak'. Otherwise, pages
     // were already counted, 'known_pagebreaks' is NULL, and we don't
-    // do anything except return FALSE.
+    // do anything except return false.
     //
-    // We also simply return FALSE if the 'pagebreak' argument is
+    // We also simply return false if the 'pagebreak' argument is
     // less than (vertically above) or the same as the current
     // vertical position. Otherwise we'd be setting a pagebreak above
     // the current cell, which is incorrect, or duplicating a
     // pagebreak that has already been set.
-    if(NULL == known_pagebreaks || *pagebreak <= m_PosY)
-        {
-        return FALSE;
-        }
+    if( known_pagebreaks.GetCount() == 0 || *pagebreak <= m_PosY)
+    {
+        return false;
+    }
 
     // m_PosY is only the vertical offset from the parent. The pagebreak
     // required here is the total page offset, so m_PosY must be added
     // to the parent's offset and height.
-    int total_height = m_PosY + GetParent()->GetPosY() + GetParent()->GetHeight();
+    int total_height = m_PosY;
+    for ( wxHtmlCell *parent = GetParent(); parent; parent = parent->GetParent() )
+    {
+        total_height += parent->GetPosY();
+    }
+
 
     // Search the array of pagebreaks to see whether we've already set
-    // a pagebreak here. The standard bsearch() function is appropriate
-    // because the array of pagebreaks through known_pagebreaks[number_of_pages]
-    // is known to be sorted in strictly increasing order. '1 + number_of_pages'
-    // is used as a bsearch() argument because the array contains a leading
-    // zero plus one element for each page.
-    int* where = (int*) bsearch(&total_height, known_pagebreaks,
-                                1 + number_of_pages, sizeof(int),
-                                integer_compare);
+    // a pagebreak here.
+    int where = known_pagebreaks.Index( total_height);
     // Add a pagebreak only if there isn't one already set here.
-    if(NULL != where)
-        {
-        return FALSE;
-        }
+    if( wxNOT_FOUND != where)
+    {
+        return false;
+    }
     else
-        {
+    {
         *pagebreak = m_PosY;
-        return TRUE;
-        }
+        return true;
+    }
 }
 
+
+
 TAG_HANDLER_BEGIN(P, "P")
+    TAG_HANDLER_CONSTR(P) { }
 
     TAG_HANDLER_PROC(tag)
     {
-        if (m_WParser->GetContainer()->GetFirstCell() != NULL)
+        if (m_WParser->GetContainer()->GetFirstChild() != NULL)
         {
             m_WParser->CloseContainer();
             m_WParser->OpenContainer();
         }
         m_WParser->GetContainer()->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
         m_WParser->GetContainer()->SetAlign(tag);
-        return FALSE;
+        return false;
     }
 
 TAG_HANDLER_END(P)
@@ -145,6 +146,7 @@ TAG_HANDLER_END(P)
 
 
 TAG_HANDLER_BEGIN(BR, "BR")
+    TAG_HANDLER_CONSTR(BR) { }
 
     TAG_HANDLER_PROC(tag)
     {
@@ -156,7 +158,7 @@ TAG_HANDLER_BEGIN(BR, "BR")
         c->SetAlignHor(al);
         c->SetAlign(tag);
         c->SetMinHeight(m_WParser->GetCharHeight());
-        return FALSE;
+        return false;
     }
 
 TAG_HANDLER_END(BR)
@@ -164,6 +166,7 @@ TAG_HANDLER_END(BR)
 
 
 TAG_HANDLER_BEGIN(CENTER, "CENTER")
+    TAG_HANDLER_CONSTR(CENTER) { }
 
     TAG_HANDLER_PROC(tag)
     {
@@ -171,7 +174,7 @@ TAG_HANDLER_BEGIN(CENTER, "CENTER")
         wxHtmlContainerCell *c = m_WParser->GetContainer();
 
         m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
-        if (c->GetFirstCell() != NULL)
+        if (c->GetFirstChild() != NULL)
         {
             m_WParser->CloseContainer();
             m_WParser->OpenContainer();
@@ -184,7 +187,7 @@ TAG_HANDLER_BEGIN(CENTER, "CENTER")
             ParseInner(tag);
 
             m_WParser->SetAlign(old);
-            if (c->GetFirstCell() != NULL)
+            if (c->GetFirstChild() != NULL)
             {
                 m_WParser->CloseContainer();
                 m_WParser->OpenContainer();
@@ -192,9 +195,9 @@ TAG_HANDLER_BEGIN(CENTER, "CENTER")
             else
                 c->SetAlignHor(old);
 
-            return TRUE;
+            return true;
         }
-        else return FALSE;
+        else return false;
     }
 
 TAG_HANDLER_END(CENTER)
@@ -202,30 +205,31 @@ TAG_HANDLER_END(CENTER)
 
 
 TAG_HANDLER_BEGIN(DIV, "DIV")
+    TAG_HANDLER_CONSTR(DIV) { }
 
     TAG_HANDLER_PROC(tag)
     {
         if(tag.HasParam(wxT("STYLE")))
         {
-            if(tag.GetParam(wxT("STYLE")).IsSameAs(wxT("PAGE-BREAK-BEFORE:ALWAYS"), FALSE))
+            if(tag.GetParam(wxT("STYLE")).IsSameAs(wxT("PAGE-BREAK-BEFORE:ALWAYS"), false))
             {
                 m_WParser->CloseContainer();
                 m_WParser->OpenContainer()->InsertCell(new wxHtmlPageBreakCell);
                 m_WParser->CloseContainer();
                 m_WParser->OpenContainer();
-                return FALSE;
+                return false;
             }
             else
             {
                 // Treat other STYLE parameters here when they're supported.
-                return FALSE;
+                return false;
             }
         }
         else if(tag.HasParam(wxT("ALIGN")))
         {
             int old = m_WParser->GetAlign();
             wxHtmlContainerCell *c = m_WParser->GetContainer();
-            if (c->GetFirstCell() != NULL)
+            if (c->GetFirstChild() != NULL)
             {
                 m_WParser->CloseContainer();
                 m_WParser->OpenContainer();
@@ -242,7 +246,7 @@ TAG_HANDLER_BEGIN(DIV, "DIV")
             ParseInner(tag);
 
             m_WParser->SetAlign(old);
-            if (c->GetFirstCell() != NULL)
+            if (c->GetFirstChild() != NULL)
             {
                 m_WParser->CloseContainer();
                 m_WParser->OpenContainer();
@@ -250,11 +254,20 @@ TAG_HANDLER_BEGIN(DIV, "DIV")
             else
                 c->SetAlignHor(old);
 
-            return TRUE;
+            return true;
         }
         else
         {
-            return FALSE;
+            // Same as BR
+            int al = m_WParser->GetContainer()->GetAlignHor();
+            wxHtmlContainerCell *c;
+
+            m_WParser->CloseContainer();
+            c = m_WParser->OpenContainer();
+            c->SetAlignHor(al);
+            c->SetAlign(tag);
+            c->SetMinHeight(m_WParser->GetCharHeight());
+            return false;
         }
     }
 
@@ -264,20 +277,28 @@ TAG_HANDLER_END(DIV)
 
 
 TAG_HANDLER_BEGIN(TITLE, "TITLE")
+    TAG_HANDLER_CONSTR(TITLE) { }
 
     TAG_HANDLER_PROC(tag)
     {
-        if (m_WParser->GetWindow())
+        wxHtmlWindowInterface *winIface = m_WParser->GetWindowInterface();
+        if (winIface)
         {
-            wxHtmlWindow *wfr = (wxHtmlWindow*)(m_WParser->GetWindow());
-            if (wfr)
+            wxString title(tag.GetBeginIter(), tag.GetEndIter1());
+#if !wxUSE_UNICODE
+            const wxFontEncoding enc = m_WParser->GetInputEncoding();
+            if ( enc != wxFONTENCODING_DEFAULT )
             {
-                const wxString& src = *m_WParser->GetSource();
-                wfr->OnSetTitle(src.Mid(tag.GetBeginPos(), 
-                                        tag.GetEndPos1()-tag.GetBeginPos()));
+                // need to convert to the current one
+                title = wxString(title.wc_str(wxCSConv(enc)), wxConvLocal);
             }
+#endif // !wxUSE_UNICODE
+
+            title = m_WParser->GetEntitiesParser()->Parse(title);
+
+            winIface->SetHTMLWindowTitle(title);
         }
-        return TRUE;
+        return true;
     }
 
 TAG_HANDLER_END(TITLE)
@@ -286,6 +307,7 @@ TAG_HANDLER_END(TITLE)
 
 
 TAG_HANDLER_BEGIN(BODY, "BODY")
+    TAG_HANDLER_CONSTR(BODY) { }
 
     TAG_HANDLER_PROC(tag)
     {
@@ -300,14 +322,40 @@ TAG_HANDLER_BEGIN(BODY, "BODY")
         if (tag.GetParamAsColour(wxT("LINK"), &clr))
             m_WParser->SetLinkColor(clr);
 
+        wxHtmlWindowInterface *winIface = m_WParser->GetWindowInterface();
+        // the rest of this function requires a window:
+        if ( !winIface )
+            return false;
+
+        if (tag.HasParam(wxT("BACKGROUND")))
+        {
+            wxFSFile *fileBgImage = m_WParser->OpenURL
+                                               (
+                                                wxHTML_URL_IMAGE,
+                                                tag.GetParam(wxT("BACKGROUND"))
+                                               );
+            if ( fileBgImage )
+            {
+                wxInputStream *is = fileBgImage->GetStream();
+                if ( is )
+                {
+                    wxImage image(*is);
+                    if ( image.IsOk() )
+                        winIface->SetHTMLBackgroundImage(image);
+                }
+
+                delete fileBgImage;
+            }
+        }
+
         if (tag.GetParamAsColour(wxT("BGCOLOR"), &clr))
         {
             m_WParser->GetContainer()->InsertCell(
                 new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
-            if (m_WParser->GetWindow() != NULL)
-                m_WParser->GetWindow()->SetBackgroundColour(clr);
+            winIface->SetHTMLBackgroundColour(clr);
         }
-        return FALSE;
+
+        return false;
     }
 
 TAG_HANDLER_END(BODY)
@@ -315,6 +363,7 @@ TAG_HANDLER_END(BODY)
 
 
 TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE")
+    TAG_HANDLER_CONSTR(BLOCKQUOTE) { }
 
     TAG_HANDLER_PROC(tag)
     {
@@ -335,17 +384,56 @@ TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE")
         c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_BOTTOM);
         m_WParser->CloseContainer();
         m_WParser->OpenContainer();
-        return TRUE;
+        return true;
     }
 
 TAG_HANDLER_END(BLOCKQUOTE)
 
 
 
+TAG_HANDLER_BEGIN(SUBSUP, "SUB,SUP")
+
+    TAG_HANDLER_PROC(tag)
+    {
+        bool issub = (tag.GetName() == wxT("SUB"));
+        wxHtmlScriptMode oldmode = m_WParser->GetScriptMode();
+        int oldbase = m_WParser->GetScriptBaseline();
+        int oldsize = m_WParser->GetFontSize();
+
+        wxHtmlContainerCell *cont = m_WParser->GetContainer();
+        wxHtmlCell *c = cont->GetLastChild();
+
+        m_WParser->SetScriptMode(issub ? wxHTML_SCRIPT_SUB : wxHTML_SCRIPT_SUP);
+        m_WParser->SetScriptBaseline(
+                oldbase + c ? c->GetScriptBaseline() : 0);
+
+        // select smaller font
+        m_WParser->SetFontSize(m_WParser->GetFontSize()-2);
+        cont->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+
+        ParseInner(tag);
+
+        // restore font size
+        m_WParser->SetFontSize(oldsize);
+        m_WParser->GetContainer()->InsertCell(
+            new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+
+        // restore base and alignment
+        m_WParser->SetScriptBaseline(oldbase);
+        m_WParser->SetScriptMode(oldmode);
+
+        return true;
+    }
+
+TAG_HANDLER_END(SUBSUP)
+
+
 // Tag handler for tags that we have to ignore, otherwise non-text data
 // would show up as text:
 TAG_HANDLER_BEGIN(DoNothing, "SCRIPT")
-    TAG_HANDLER_PROC(tag)
+    TAG_HANDLER_CONSTR(DoNothing) { }
+
+    TAG_HANDLER_PROC(WXUNUSED(tag))
     {
         return true;
     }
@@ -353,6 +441,8 @@ TAG_HANDLER_END(DoNothing)
 
 
 
+
+
 TAGS_MODULE_BEGIN(Layout)
 
     TAGS_MODULE_ADD(P)
@@ -362,6 +452,7 @@ TAGS_MODULE_BEGIN(Layout)
     TAGS_MODULE_ADD(TITLE)
     TAGS_MODULE_ADD(BODY)
     TAGS_MODULE_ADD(BLOCKQUOTE)
+    TAGS_MODULE_ADD(SUBSUP)
     TAGS_MODULE_ADD(DoNothing)
 
 TAGS_MODULE_END(Layout)