///////////////////////////////////////////////////////////////////////////// // Name: stattext.cpp // Purpose: wxStaticText // Author: AUTHOR // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) AUTHOR // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation "stattext.h" #endif #include "wx/app.h" #include "wx/stattext.h" #include "wx/dc.h" #include "wx/dcclient.h" #include #if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl) #endif #include BEGIN_EVENT_TABLE(wxStaticText, wxControl) EVT_PAINT(wxStaticText::OnPaint) END_EVENT_TABLE() bool wxStaticText::Create(wxWindow *parent, wxWindowID id, const wxString& label, const wxPoint& pos, const wxSize& size, long style, const wxString& name) { SetName(name); m_backgroundColour = parent->GetBackgroundColour() ; m_foregroundColour = parent->GetForegroundColour() ; if ( id == -1 ) m_windowId = (int)NewControlId(); else m_windowId = id; m_windowStyle = style; m_label = label ; bool ret = wxControl::Create( parent, id, pos, size, style , wxDefaultValidator , name ); SetSizeOrDefault( size ) ; return ret; } void wxStaticText::OnDraw( wxDC &dc ) { if (m_width <= 0 || m_height <= 0) return; PrepareDC(dc); 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 ) { 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 ; } } } void wxStaticText::OnPaint( wxPaintEvent &event ) { wxPaintDC dc(this); OnDraw( dc ) ; } wxSize wxStaticText::DoGetBestSize() const { int x , y ; int widthTextMax = 0, widthLine, heightTextTotal = 0, heightLineDefault = 0, heightLine = 0; wxString curLine; for ( const wxChar *pc = m_label; ; pc++ ) { if ( *pc == wxT('\n') || *pc == wxT('\0') ) { if ( !curLine ) { // we can't use GetTextExtent - it will return 0 for both width // and height and an empty line should count in height // calculation if ( !heightLineDefault ) heightLineDefault = heightLine; if ( !heightLineDefault ) GetTextExtent(_T("W"), NULL, &heightLineDefault); heightTextTotal += heightLineDefault; } else { GetTextExtent(curLine, &widthLine, &heightLine); if ( widthLine > widthTextMax ) widthTextMax = widthLine; heightTextTotal += heightLine; } if ( *pc == wxT('\n') ) { curLine.Empty(); } else { // the end of string break; } } else { curLine += *pc; } } return wxSize(widthTextMax, heightTextTotal); } void wxStaticText::SetLabel(const wxString& st ) { SetTitle( st ) ; m_label = st ; if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) SetSizeOrDefault() ; Refresh() ; MacUpdateImmediately() ; // wxClientDC dc(this); // OnDraw( dc ) ; }