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added tiered implementation (using draw paragraph) for stattext, corrected scrollbar paging, forced redraw before scrolling

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10671 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2001-06-26 18:45:16 +00:00
parent 0c05747a9d
commit 9714ffa0c4
4 changed files with 168 additions and 286 deletions
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217
src/mac/stattext.cpp
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@@ -57,11 +57,80 @@ bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
return ret;
}
const wxString punct = " ,.-;:!?";
void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph)
{
int x = 0 ;
int y = 0 ;
int i = 0 ;
long width, height ;
bool linedrawn = true;
while( paragraph.Length() > 0 )
{
dc.GetTextExtent( paragraph , &width , &height ) ;
if ( width > m_width )
{
for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
{
if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn)
{
int blank = (paragraph[p] == ' ') ? 0 : 1;
dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ;
if ( width <= m_width )
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph.Left(p + blank), pos , y) ;
y += height ;
paragraph = paragraph.Mid(p+1) ;
linedrawn = true;
break ;
}
}
}
linedrawn = false;
}
else
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph, pos , y) ;
paragraph="";
y += height ;
}
}
}
void wxStaticText::OnDraw( wxDC &dc )
{
if (m_width <= 0 || m_height <= 0)
return;
wxString paragraph;
int i = 0 ;
wxString text = m_label;
PrepareDC(dc);
bool doClear = true ;
@@ -99,145 +168,17 @@ void wxStaticText::OnDraw( wxDC &dc )
if ( doClear )
dc.Clear() ;
int x = 0 ;
int y = 0 ;
wxString text = m_label ;
wxString paragraph ;
int i = 0 ;
int laststop = 0 ;
long width, height ;
while( i < text.Length() )
{
if( text[i] == 13 || text[i] == 10)
{
paragraph = text.Mid( laststop , i - laststop ) ;
while( paragraph.Length() > 0 )
{
dc.GetTextExtent( paragraph , &width , &height ) ;
if ( width > m_width )
{
for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
{
if ( paragraph[p]=='.' )
{
dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
if ( width <= m_width )
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph.Left(p+1), pos , y) ;
y += height ;
paragraph = paragraph.Mid(p+1) ;
break ;
}
}
if ( paragraph[p]==' ' )
{
dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
if ( width <= m_width )
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph.Left(p), pos , y) ;
y += height ;
paragraph = paragraph.Mid(p+1) ;
break ;
}
}
}
}
else
{
dc.DrawText( paragraph, x , y) ;
paragraph="";
y += height ;
}
}
laststop = i+1 ;
}
++i ;
}
paragraph = text.Mid( laststop , text.Length() - laststop ) ;
while( paragraph.Length() > 0 )
while (i < text.Length())
{
dc.GetTextExtent( paragraph , &width , &height ) ;
if ( width > m_width )
{
for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
{
if ( paragraph[p]=='.' )
{
dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
if ( width <= m_width )
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph.Left(p+1), pos , y) ;
y += height ;
paragraph = paragraph.Mid(p+1) ;
break ;
}
}
if ( paragraph[p]==' ' )
{
dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
if ( width <= m_width )
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph.Left(p), pos , y) ;
y += height ;
paragraph = paragraph.Mid(p+1) ;
break ;
}
}
}
}
else
{
int pos = x ;
if ( HasFlag( wxALIGN_CENTER ) )
{
pos += ( m_width - width ) / 2 ;
}
else if ( HasFlag( wxALIGN_RIGHT ) )
{
pos += ( m_width - width ) ;
}
dc.DrawText( paragraph, pos , y) ;
paragraph="";
y += height ;
}
}
paragraph += text[i];
if (text[i] == 13 || text[i] == 10)
DrawParagraph(dc, paragraph);
++i;
}
if (paragraph.Length() > 0)
DrawParagraph(dc, paragraph);
}
void wxStaticText::OnPaint( wxPaintEvent &event )