include/wx/x11/cursor.h needs definition of wxcolour

[wxWidgets.git] / src / html / htmlcell.cpp

diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp
index 1b111b9aca04a98312dbe2d57f4415a8d46c299e..e0ca15d66efaaeff8ac9ad2043c74f262cfbdbe5 100644 (file)
--- a/src/html/htmlcell.cpp
+++ b/src/html/htmlcell.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        htmlcell.cpp
+// Name:        src/html/htmlcell.cpp

 // Purpose:     wxHtmlCell - basic element of HTML output
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Purpose:     wxHtmlCell - basic element of HTML output
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$


@@ -9,36 +9,27 @@
 
 #include "wx/wxprec.h"
 
 
 #include "wx/wxprec.h"
 

-#include "wx/defs.h"
-
-#if wxUSE_HTML && wxUSE_STREAMS
-

 #ifdef __BORLANDC__
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-#ifndef WXPRECOMP
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP
+    #include "wx/dynarray.h"

     #include "wx/brush.h"
     #include "wx/colour.h"
     #include "wx/dc.h"
     #include "wx/brush.h"
     #include "wx/colour.h"
     #include "wx/dc.h"

+    #include "wx/settings.h"
+    #include "wx/module.h"
+    #include "wx/wxcrtvararg.h"

 #endif
 
 #include "wx/html/htmlcell.h"
 #include "wx/html/htmlwin.h"
 #endif
 
 #include "wx/html/htmlcell.h"
 #include "wx/html/htmlwin.h"

-#include "wx/settings.h"
-#include "wx/module.h"
-#include "wx/dynarray.h"

 
 #include <stdlib.h>
 
 
 #include <stdlib.h>
 

-//-----------------------------------------------------------------------------
-// Global variables
-//-----------------------------------------------------------------------------
-
-static wxCursor *gs_cursorLink = NULL;
-static wxCursor *gs_cursorText = NULL;
-
-

 //-----------------------------------------------------------------------------
 // Helper classes
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // Helper classes
 //-----------------------------------------------------------------------------


@@ -198,21 +189,39 @@ void wxHtmlCell::OnMouseClick(wxWindow *, int, int, const wxMouseEvent& event)
 #endif // WXWIN_COMPATIBILITY_2_6
 }
 
 #endif // WXWIN_COMPATIBILITY_2_6
 }
 

-
+#if WXWIN_COMPATIBILITY_2_6

 wxCursor wxHtmlCell::GetCursor() const
 {
 wxCursor wxHtmlCell::GetCursor() const
 {

+    return wxNullCursor;
+}
+#endif // WXWIN_COMPATIBILITY_2_6
+
+wxCursor wxHtmlCell::GetMouseCursor(wxHtmlWindowInterface *window) const
+{
+#if WXWIN_COMPATIBILITY_2_6
+    // NB: Older versions of wx used GetCursor() virtual method in place of
+    //     GetMouseCursor(interface). This code ensures that user code that
+    //     overriden GetCursor() continues to work. The trick is that the base
+    //     wxHtmlCell::GetCursor() method simply returns wxNullCursor, so we
+    //     know that GetCursor() was overriden iff it returns valid cursor.
+    wxCursor cur = GetCursor();
+    if (cur.Ok())
+        return cur;
+#endif // WXWIN_COMPATIBILITY_2_6
+

     if ( GetLink() )
     {
     if ( GetLink() )
     {

-        if ( !gs_cursorLink )
-            gs_cursorLink = new wxCursor(wxCURSOR_HAND);
-        return *gs_cursorLink;
+        return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Link);

     }
     else
     }
     else

-        return *wxSTANDARD_CURSOR;
+    {
+        return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Default);
+    }

 }
 
 
 }
 
 

-bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const
+bool wxHtmlCell::AdjustPagebreak(int *pagebreak,
+                                 wxArrayInt& WXUNUSED(known_pagebreaks)) const

 {
     if ((!m_CanLiveOnPagebreak) &&
                 m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
 {
     if ((!m_CanLiveOnPagebreak) &&
                 m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)


@@ -347,7 +356,11 @@ IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
 wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell()
 {
     m_Word = word;
 wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell()
 {
     m_Word = word;

-    dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
+    wxCoord w, h, d;
+    dc.GetTextExtent(m_Word, &w, &h, &d);
+    m_Width = w;
+    m_Height = h;
+    m_Descent = d;

     SetCanLiveOnPagebreak(false);
     m_allowLinebreak = true;
 }
     SetCanLiveOnPagebreak(false);
     m_allowLinebreak = true;
 }


@@ -373,6 +386,16 @@ void wxHtmlWordCell::Split(const wxDC& dc,
     wxPoint pt2 = (selTo == wxDefaultPosition) ?
                    wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
 
     wxPoint pt2 = (selTo == wxDefaultPosition) ?
                    wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
 

+    // if the selection is entirely within this cell, make sure pt1 < pt2 in
+    // order to make the rest of this function simpler:
+    if ( selFrom != wxDefaultPosition && selTo != wxDefaultPosition &&
+         selFrom.x > selTo.x )
+    {
+        wxPoint tmp = pt1;
+        pt1 = pt2;
+        pt2 = tmp;
+    }
+

     unsigned len = m_Word.length();
     unsigned i = 0;
     pos1 = 0;
     unsigned len = m_Word.length();
     unsigned i = 0;
     pos1 = 0;


@@ -385,19 +408,26 @@ void wxHtmlWordCell::Split(const wxDC& dc,
         pt2.x = m_Width;
 
     // before selection:
         pt2.x = m_Width;
 
     // before selection:

+    // (include character under caret only if in first half of width)

 #ifdef __WXMAC__
     // implementation using PartialExtents to support fractional widths
     wxArrayInt widths ;
     dc.GetPartialTextExtents(m_Word,widths) ;
     while( i < len && pt1.x >= widths[i] )
         i++ ;
 #ifdef __WXMAC__
     // implementation using PartialExtents to support fractional widths
     wxArrayInt widths ;
     dc.GetPartialTextExtents(m_Word,widths) ;
     while( i < len && pt1.x >= widths[i] )
         i++ ;

-#else // __WXMAC__
+    if ( i < len )
+    {
+        int charW = (i > 0) ? widths[i] - widths[i-1] : widths[i];
+        if ( widths[i] - pt1.x < charW/2 )
+            i++;
+    }
+#else // !__WXMAC__

     wxCoord charW, charH;
     while ( pt1.x > 0 && i < len )
     {
         dc.GetTextExtent(m_Word[i], &charW, &charH);
         pt1.x -= charW;
     wxCoord charW, charH;
     while ( pt1.x > 0 && i < len )
     {
         dc.GetTextExtent(m_Word[i], &charW, &charH);
         pt1.x -= charW;

-        if ( pt1.x >= 0 )
+        if ( pt1.x >= -charW/2 )

         {
             pos1 += charW;
             i++;
         {
             pos1 += charW;
             i++;


@@ -406,18 +436,25 @@ void wxHtmlWordCell::Split(const wxDC& dc,
 #endif // __WXMAC__/!__WXMAC__
 
     // in selection:
 #endif // __WXMAC__/!__WXMAC__
 
     // in selection:

+    // (include character under caret only if in first half of width)

     unsigned j = i;
 #ifdef __WXMAC__
     while( j < len && pt2.x >= widths[j] )
         j++ ;
     unsigned j = i;
 #ifdef __WXMAC__
     while( j < len && pt2.x >= widths[j] )
         j++ ;

-#else // __WXMAC__
+    if ( j < len )
+    {
+        int charW = (j > 0) ? widths[j] - widths[j-1] : widths[j];
+        if ( widths[j] - pt2.x < charW/2 )
+            j++;
+    }
+#else // !__WXMAC__

     pos2 = pos1;
     pt2.x -= pos2;
     while ( pt2.x > 0 && j < len )
     {
         dc.GetTextExtent(m_Word[j], &charW, &charH);
         pt2.x -= charW;
     pos2 = pos1;
     pt2.x -= pos2;
     while ( pt2.x > 0 && j < len )
     {
         dc.GetTextExtent(m_Word[j], &charW, &charH);
         pt2.x -= charW;

-        if ( pt2.x >= 0 )
+        if ( pt2.x >= -charW/2 )

         {
             pos2 += charW;
             j++;
         {
             pos2 += charW;
             j++;


@@ -607,16 +644,16 @@ wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const
     return m_Word;
 }
 
     return m_Word;
 }
 

-wxCursor wxHtmlWordCell::GetCursor() const
+wxCursor wxHtmlWordCell::GetMouseCursor(wxHtmlWindowInterface *window) const

 {
     if ( !GetLink() )
     {
 {
     if ( !GetLink() )
     {

-        if ( !gs_cursorText )
-            gs_cursorText = new wxCursor(wxCURSOR_IBEAM);
-        return *gs_cursorText;
+        return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Text);

     }
     else
     }
     else

-        return wxHtmlCell::GetCursor();
+    {
+        return wxHtmlCell::GetMouseCursor(window);
+    }

 }
 
 
 }
 
 


@@ -692,32 +729,28 @@ int wxHtmlContainerCell::GetIndentUnits(int ind) const
 }
 
 
 }
 
 

-
-bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const
+bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak,
+                                          wxArrayInt& known_pagebreaks) const

 {
     if (!m_CanLiveOnPagebreak)
 {
     if (!m_CanLiveOnPagebreak)

-        return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages);
+        return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks);

 
 

-    else
-    {
-        wxHtmlCell *c = GetFirstChild();
-        bool rt = false;
-        int pbrk = *pagebreak - m_PosY;
+    wxHtmlCell *c = GetFirstChild();
+    bool rt = false;
+    int pbrk = *pagebreak - m_PosY;

 
 

-        while (c)
-        {
-            if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages))
-                rt = true;
-            c = c->GetNext();
-        }
-        if (rt)
-            *pagebreak = pbrk + m_PosY;
-        return rt;
+    while (c)
+    {
+        if (c->AdjustPagebreak(&pbrk, known_pagebreaks))
+            rt = true;
+        c = c->GetNext();

     }
     }

+    if (rt)
+        *pagebreak = pbrk + m_PosY;
+    return rt;

 }
 
 
 }
 
 

-

 void wxHtmlContainerCell::Layout(int w)
 {
     wxHtmlCell::Layout(w);
 void wxHtmlContainerCell::Layout(int w)
 {
     wxHtmlCell::Layout(w);


@@ -880,12 +913,12 @@ void wxHtmlContainerCell::Layout(int w)
                 if ( step > 0 )
                 {
                     // first count the cells which will get extra space
                 if ( step > 0 )
                 {
                     // first count the cells which will get extra space

-                    int total = 0;
+                    int total = -1;

 
                     const wxHtmlCell *c;
                     if ( line != cell )
                     {
 
                     const wxHtmlCell *c;
                     if ( line != cell )
                     {

-                        for ( c = line->GetNext(); c != cell; c = c->GetNext() )
+                        for ( c = line; c != cell; c = c->GetNext() )

                         {
                             if ( c->IsLinebreakAllowed() )
                             {
                         {
                             if ( c->IsLinebreakAllowed() )
                             {


@@ -897,11 +930,22 @@ void wxHtmlContainerCell::Layout(int w)
                     // and now extra space to those cells which merit it
                     if ( total )
                     {
                     // and now extra space to those cells which merit it
                     if ( total )
                     {

-                        // first cell on line is not moved:
-                        line->SetPos(line->GetPosX() + s_indent,
-                                     line->GetPosY() + ypos);
+                        // first visible cell on line is not moved:
+                        while (line !=cell && !line->IsLinebreakAllowed())
+                        {
+                            line->SetPos(line->GetPosX() + s_indent,
+                                         line->GetPosY() + ypos);
+                            line = line->GetNext();
+                        }
+
+                        if (line != cell)
+                        {
+                            line->SetPos(line->GetPosX() + s_indent,
+                                         line->GetPosY() + ypos);
+
+                            line = line->GetNext();
+                        }

 
 

-                        line = line->GetNext();

                         for ( int n = 0; line != cell; line = line->GetNext() )
                         {
                             if ( line->IsLinebreakAllowed() )
                         for ( int n = 0; line != cell; line = line->GetNext() )
                         {
                             if ( line->IsLinebreakAllowed() )


@@ -1140,7 +1184,7 @@ void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale
         int wdi;
         wxString wd = tag.GetParam(wxT("WIDTH"));
 
         int wdi;
         wxString wd = tag.GetParam(wxT("WIDTH"));
 

-        if (wd[wd.Length()-1] == wxT('%'))
+        if (wd[wd.length()-1] == wxT('%'))

         {
             wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
             SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
         {
             wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
             SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);


@@ -1481,8 +1525,15 @@ void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc),
         c = c->GetParent();
     }
 
         c = c->GetParent();
     }
 

-    ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
-    m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
+    wxScrolledWindow *scrolwin =
+        wxDynamicCast(m_Wnd->GetParent(), wxScrolledWindow);
+    wxCHECK_RET( scrolwin,
+                 _T("widget cells can only be placed in wxHtmlWindow") );
+
+    scrolwin->GetViewStart(&stx, &sty);
+    m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx,
+                   absy  - wxHTML_SCROLL_STEP * sty,
+                   m_Width, m_Height);

 }
 
 
 }
 
 


@@ -1558,29 +1609,4 @@ const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++()
     return m_pos;
 }
 
     return m_pos;
 }
 

-
-
-
-
-
-
-//-----------------------------------------------------------------------------
-// Cleanup
-//-----------------------------------------------------------------------------
-
-class wxHtmlCellModule: public wxModule
-{
-DECLARE_DYNAMIC_CLASS(wxHtmlCellModule)
-public:
-    wxHtmlCellModule() : wxModule() {}
-    bool OnInit() { return true; }
-    void OnExit()
-    {
-        wxDELETE(gs_cursorLink);
-        wxDELETE(gs_cursorText);
-    }
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellModule, wxModule)
-

 #endif
 #endif