| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: stattext.cpp |
| 3 | // Purpose: wxStaticText |
| 4 | // Author: AUTHOR |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "stattext.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/app.h" |
| 17 | #include "wx/stattext.h" |
| 18 | #include "wx/dc.h" |
| 19 | #include "wx/dcclient.h" |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | |
| 23 | #if !USE_SHARED_LIBRARY |
| 24 | IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl) |
| 25 | #endif |
| 26 | |
| 27 | #include <wx/mac/uma.h> |
| 28 | |
| 29 | BEGIN_EVENT_TABLE(wxStaticText, wxControl) |
| 30 | EVT_PAINT(wxStaticText::OnPaint) |
| 31 | END_EVENT_TABLE() |
| 32 | |
| 33 | bool wxStaticText::Create(wxWindow *parent, wxWindowID id, |
| 34 | const wxString& label, |
| 35 | const wxPoint& pos, |
| 36 | const wxSize& size, |
| 37 | long style, |
| 38 | const wxString& name) |
| 39 | { |
| 40 | SetName(name); |
| 41 | m_backgroundColour = parent->GetBackgroundColour() ; |
| 42 | m_foregroundColour = parent->GetForegroundColour() ; |
| 43 | |
| 44 | if ( id == -1 ) |
| 45 | m_windowId = (int)NewControlId(); |
| 46 | else |
| 47 | m_windowId = id; |
| 48 | |
| 49 | m_windowStyle = style; |
| 50 | m_label = label ; |
| 51 | |
| 52 | bool ret = wxControl::Create( parent, id, pos, size, style , wxDefaultValidator , name ); |
| 53 | SetSizeOrDefault( size ) ; |
| 54 | |
| 55 | return ret; |
| 56 | } |
| 57 | |
| 58 | void wxStaticText::OnDraw( wxDC &dc ) |
| 59 | { |
| 60 | if (m_width <= 0 || m_height <= 0) |
| 61 | return; |
| 62 | |
| 63 | PrepareDC(dc); |
| 64 | // dc.Clear() ; this eventually draws in the wrong background colour (appearance panels) |
| 65 | |
| 66 | int x = 0 ; |
| 67 | int y = 0 ; |
| 68 | wxString text = m_label ; |
| 69 | wxString paragraph ; |
| 70 | int i = 0 ; |
| 71 | int laststop = 0 ; |
| 72 | long width, height ; |
| 73 | |
| 74 | while( i < text.Length() ) |
| 75 | { |
| 76 | if( text[i] == 13 || text[i] == 10) |
| 77 | { |
| 78 | paragraph = text.Mid( laststop , i - laststop ) ; |
| 79 | while( paragraph.Length() > 0 ) |
| 80 | { |
| 81 | dc.GetTextExtent( paragraph , &width , &height ) ; |
| 82 | if ( width > m_width ) |
| 83 | { |
| 84 | for ( int p = paragraph.Length() -1 ; p > 0 ; --p ) |
| 85 | { |
| 86 | if ( paragraph[p]=='.' ) |
| 87 | { |
| 88 | dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ; |
| 89 | if ( width <= m_width ) |
| 90 | { |
| 91 | int pos = x ; |
| 92 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 93 | { |
| 94 | pos += ( m_width - width ) / 2 ; |
| 95 | } |
| 96 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 97 | { |
| 98 | pos += ( m_width - width ) ; |
| 99 | } |
| 100 | dc.DrawText( paragraph.Left(p+1), pos , y) ; |
| 101 | y += height ; |
| 102 | paragraph = paragraph.Mid(p+1) ; |
| 103 | break ; |
| 104 | } |
| 105 | } |
| 106 | if ( paragraph[p]==' ' ) |
| 107 | { |
| 108 | dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ; |
| 109 | if ( width <= m_width ) |
| 110 | { |
| 111 | int pos = x ; |
| 112 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 113 | { |
| 114 | pos += ( m_width - width ) / 2 ; |
| 115 | } |
| 116 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 117 | { |
| 118 | pos += ( m_width - width ) ; |
| 119 | } |
| 120 | dc.DrawText( paragraph.Left(p), pos , y) ; |
| 121 | y += height ; |
| 122 | paragraph = paragraph.Mid(p+1) ; |
| 123 | break ; |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | else |
| 129 | { |
| 130 | dc.DrawText( paragraph, x , y) ; |
| 131 | paragraph=""; |
| 132 | y += height ; |
| 133 | } |
| 134 | } |
| 135 | laststop = i+1 ; |
| 136 | } |
| 137 | ++i ; |
| 138 | } |
| 139 | paragraph = text.Mid( laststop , text.Length() - laststop ) ; |
| 140 | while( paragraph.Length() > 0 ) |
| 141 | { |
| 142 | dc.GetTextExtent( paragraph , &width , &height ) ; |
| 143 | if ( width > m_width ) |
| 144 | { |
| 145 | for ( int p = paragraph.Length() -1 ; p > 0 ; --p ) |
| 146 | { |
| 147 | if ( paragraph[p]=='.' ) |
| 148 | { |
| 149 | dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ; |
| 150 | if ( width <= m_width ) |
| 151 | { |
| 152 | int pos = x ; |
| 153 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 154 | { |
| 155 | pos += ( m_width - width ) / 2 ; |
| 156 | } |
| 157 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 158 | { |
| 159 | pos += ( m_width - width ) ; |
| 160 | } |
| 161 | dc.DrawText( paragraph.Left(p+1), pos , y) ; |
| 162 | y += height ; |
| 163 | paragraph = paragraph.Mid(p+1) ; |
| 164 | break ; |
| 165 | } |
| 166 | } |
| 167 | if ( paragraph[p]==' ' ) |
| 168 | { |
| 169 | dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ; |
| 170 | if ( width <= m_width ) |
| 171 | { |
| 172 | int pos = x ; |
| 173 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 174 | { |
| 175 | pos += ( m_width - width ) / 2 ; |
| 176 | } |
| 177 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 178 | { |
| 179 | pos += ( m_width - width ) ; |
| 180 | } |
| 181 | dc.DrawText( paragraph.Left(p), pos , y) ; |
| 182 | y += height ; |
| 183 | paragraph = paragraph.Mid(p+1) ; |
| 184 | break ; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | else |
| 190 | { |
| 191 | int pos = x ; |
| 192 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 193 | { |
| 194 | pos += ( m_width - width ) / 2 ; |
| 195 | } |
| 196 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 197 | { |
| 198 | pos += ( m_width - width ) ; |
| 199 | } |
| 200 | dc.DrawText( paragraph, pos , y) ; |
| 201 | paragraph=""; |
| 202 | y += height ; |
| 203 | } |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | void wxStaticText::OnPaint( wxPaintEvent &event ) |
| 208 | { |
| 209 | wxPaintDC dc(this); |
| 210 | OnDraw( dc ) ; |
| 211 | } |
| 212 | |
| 213 | wxSize wxStaticText::DoGetBestSize() const |
| 214 | { |
| 215 | int x , y ; |
| 216 | int widthTextMax = 0, widthLine, |
| 217 | heightTextTotal = 0, heightLineDefault = 0, heightLine = 0; |
| 218 | |
| 219 | wxString curLine; |
| 220 | for ( const wxChar *pc = m_label; ; pc++ ) { |
| 221 | if ( *pc == wxT('\n') || *pc == wxT('\0') ) { |
| 222 | if ( !curLine ) { |
| 223 | // we can't use GetTextExtent - it will return 0 for both width |
| 224 | // and height and an empty line should count in height |
| 225 | // calculation |
| 226 | if ( !heightLineDefault ) |
| 227 | heightLineDefault = heightLine; |
| 228 | if ( !heightLineDefault ) |
| 229 | GetTextExtent(_T("W"), NULL, &heightLineDefault); |
| 230 | |
| 231 | heightTextTotal += heightLineDefault; |
| 232 | } |
| 233 | else { |
| 234 | GetTextExtent(curLine, &widthLine, &heightLine); |
| 235 | if ( widthLine > widthTextMax ) |
| 236 | widthTextMax = widthLine; |
| 237 | heightTextTotal += heightLine; |
| 238 | } |
| 239 | |
| 240 | if ( *pc == wxT('\n') ) { |
| 241 | curLine.Empty(); |
| 242 | } |
| 243 | else { |
| 244 | // the end of string |
| 245 | break; |
| 246 | } |
| 247 | } |
| 248 | else { |
| 249 | curLine += *pc; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | return wxSize(widthTextMax, heightTextTotal); |
| 254 | } |
| 255 | |
| 256 | void wxStaticText::SetLabel(const wxString& st ) |
| 257 | { |
| 258 | SetTitle( st ) ; |
| 259 | m_label = st ; |
| 260 | if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) |
| 261 | SetSizeOrDefault() ; |
| 262 | |
| 263 | Refresh() ; |
| 264 | MacUpdateImmediately() ; |
| 265 | // wxClientDC dc(this); |
| 266 | // OnDraw( dc ) ; |
| 267 | } |