| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: stattext.cpp |
| 3 | // Purpose: wxStaticText |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Csomor |
| 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/notebook.h" |
| 19 | #include "wx/tabctrl.h" |
| 20 | #include "wx/dc.h" |
| 21 | #include "wx/dcclient.h" |
| 22 | #include "wx/utils.h" |
| 23 | #include "wx/settings.h" |
| 24 | |
| 25 | #include <stdio.h> |
| 26 | |
| 27 | #if !USE_SHARED_LIBRARY |
| 28 | IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl) |
| 29 | #endif |
| 30 | |
| 31 | #include "wx/mac/uma.h" |
| 32 | |
| 33 | BEGIN_EVENT_TABLE(wxStaticText, wxStaticTextBase) |
| 34 | EVT_PAINT(wxStaticText::OnPaint) |
| 35 | END_EVENT_TABLE() |
| 36 | |
| 37 | bool wxStaticText::Create(wxWindow *parent, wxWindowID id, |
| 38 | const wxString& label, |
| 39 | const wxPoint& pos, |
| 40 | const wxSize& size, |
| 41 | long style, |
| 42 | const wxString& name) |
| 43 | { |
| 44 | m_label = wxStripMenuCodes(label) ; |
| 45 | |
| 46 | if ( !wxControl::Create( parent, id, pos, size, style, |
| 47 | wxDefaultValidator , name ) ) |
| 48 | { |
| 49 | return false; |
| 50 | } |
| 51 | |
| 52 | SetBestSize( size ) ; |
| 53 | |
| 54 | return true; |
| 55 | } |
| 56 | |
| 57 | const wxString punct = wxT(" ,.-;:!?"); |
| 58 | |
| 59 | void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph, int &y) |
| 60 | { |
| 61 | long width, height ; |
| 62 | |
| 63 | if (paragraph.Length() == 0) |
| 64 | { |
| 65 | // empty line |
| 66 | dc.GetTextExtent( wxT("H"), &width, &height ); |
| 67 | y += height; |
| 68 | |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | int x = 0 ; |
| 73 | |
| 74 | bool linedrawn = true; |
| 75 | while( paragraph.Length() > 0 ) |
| 76 | { |
| 77 | dc.GetTextExtent( paragraph , &width , &height ) ; |
| 78 | |
| 79 | if ( width > m_width ) |
| 80 | { |
| 81 | for ( size_t p = paragraph.Length() - 1 ; p > 0 ; --p ) |
| 82 | { |
| 83 | if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn) |
| 84 | { |
| 85 | int blank = (paragraph[p] == ' ') ? 0 : 1; |
| 86 | |
| 87 | dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ; |
| 88 | |
| 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 | |
| 101 | dc.DrawText( paragraph.Left(p + blank), pos , y) ; |
| 102 | y += height ; |
| 103 | paragraph = paragraph.Mid(p+1) ; |
| 104 | linedrawn = true; |
| 105 | break ; |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | linedrawn = false; |
| 111 | } |
| 112 | else |
| 113 | { |
| 114 | int pos = x ; |
| 115 | if ( HasFlag( wxALIGN_CENTER ) ) |
| 116 | { |
| 117 | pos += ( m_width - width ) / 2 ; |
| 118 | } |
| 119 | else if ( HasFlag( wxALIGN_RIGHT ) ) |
| 120 | { |
| 121 | pos += ( m_width - width ) ; |
| 122 | } |
| 123 | |
| 124 | dc.DrawText( paragraph, pos , y) ; |
| 125 | paragraph=wxEmptyString; |
| 126 | y += height ; |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | void wxStaticText::OnDraw( wxDC &dc ) |
| 132 | { |
| 133 | if (m_width <= 0 || m_height <= 0) |
| 134 | return; |
| 135 | /* |
| 136 | dc.Clear() ; |
| 137 | wxRect rect(0,0,m_width,m_height) ; |
| 138 | dc.SetFont(*wxSMALL_FONT) ; |
| 139 | |
| 140 | dc.DrawRectangle(rect) ; |
| 141 | */ |
| 142 | if ( !IsWindowHilited( (WindowRef) MacGetRootWindow() ) && |
| 143 | ( GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) |
| 144 | || GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE) ) ) |
| 145 | { |
| 146 | dc.SetTextForeground( wxColour( 0x80 , 0x80 , 0x80 ) ) ; |
| 147 | } |
| 148 | else |
| 149 | { |
| 150 | dc.SetTextForeground( GetForegroundColour() ) ; |
| 151 | } |
| 152 | |
| 153 | wxString paragraph; |
| 154 | size_t i = 0 ; |
| 155 | wxString text = m_label; |
| 156 | int y = 0 ; |
| 157 | while (i < text.Length()) |
| 158 | { |
| 159 | |
| 160 | if (text[i] == 13 || text[i] == 10) |
| 161 | { |
| 162 | DrawParagraph(dc, paragraph,y); |
| 163 | paragraph = wxEmptyString ; |
| 164 | } |
| 165 | else |
| 166 | { |
| 167 | paragraph += text[i]; |
| 168 | } |
| 169 | ++i; |
| 170 | } |
| 171 | if (paragraph.Length() > 0) |
| 172 | DrawParagraph(dc, paragraph,y); |
| 173 | } |
| 174 | |
| 175 | void wxStaticText::OnPaint( wxPaintEvent & WXUNUSED(event) ) |
| 176 | { |
| 177 | wxPaintDC dc(this); |
| 178 | OnDraw( dc ) ; |
| 179 | } |
| 180 | |
| 181 | wxSize wxStaticText::DoGetBestSize() const |
| 182 | { |
| 183 | int widthTextMax = 0, widthLine, |
| 184 | heightTextTotal = 0, heightLineDefault = 0, heightLine = 0; |
| 185 | |
| 186 | wxString curLine; |
| 187 | for ( const wxChar *pc = m_label; ; pc++ ) |
| 188 | { |
| 189 | if ( *pc == wxT('\n') || *pc == wxT('\r') || *pc == wxT('\0') ) |
| 190 | { |
| 191 | if ( !curLine ) |
| 192 | { |
| 193 | // we can't use GetTextExtent - it will return 0 for both width |
| 194 | // and height and an empty line should count in height |
| 195 | // calculation |
| 196 | if ( !heightLineDefault ) |
| 197 | heightLineDefault = heightLine; |
| 198 | if ( !heightLineDefault ) |
| 199 | GetTextExtent(_T("W"), NULL, &heightLineDefault); |
| 200 | |
| 201 | heightTextTotal += heightLineDefault; |
| 202 | |
| 203 | heightTextTotal++; // FIXME: why is this necessary? |
| 204 | } |
| 205 | else |
| 206 | { |
| 207 | GetTextExtent(curLine, &widthLine, &heightLine); |
| 208 | if ( widthLine > widthTextMax ) |
| 209 | widthTextMax = widthLine; |
| 210 | heightTextTotal += heightLine; |
| 211 | |
| 212 | heightTextTotal++; // FIXME: why is this necessary? |
| 213 | } |
| 214 | |
| 215 | if ( *pc == wxT('\n') || *pc == wxT('\r')) { |
| 216 | curLine.Empty(); |
| 217 | } |
| 218 | else { |
| 219 | // the end of string |
| 220 | break; |
| 221 | } |
| 222 | } |
| 223 | else { |
| 224 | curLine += *pc; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | return wxSize(widthTextMax, heightTextTotal); |
| 229 | } |
| 230 | |
| 231 | void wxStaticText::SetLabel(const wxString& st ) |
| 232 | { |
| 233 | SetTitle( st ) ; |
| 234 | m_label = st ; |
| 235 | if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) |
| 236 | { |
| 237 | // temporary fix until layout measurement and drawing are in synch again |
| 238 | Refresh() ; |
| 239 | InvalidateBestSize(); |
| 240 | SetSize( GetBestSize() ) ; |
| 241 | } |
| 242 | Refresh() ; |
| 243 | Update() ; |
| 244 | } |
| 245 | |
| 246 | bool wxStaticText::SetFont(const wxFont& font) |
| 247 | { |
| 248 | bool ret = wxControl::SetFont(font); |
| 249 | |
| 250 | if ( ret ) |
| 251 | { |
| 252 | // adjust the size of the window to fit to the label unless autoresizing is |
| 253 | // disabled |
| 254 | if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) |
| 255 | { |
| 256 | // temporary fix until layout measurement and drawing are in synch again |
| 257 | Refresh() ; |
| 258 | InvalidateBestSize(); |
| 259 | SetSize( GetBestSize() ); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | return ret; |
| 264 | } |