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uninitialized variable warning fixed (modified patch 1434065)
[wxWidgets.git] / src / mac / classic / stattext.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/mac/classic/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 #include "wx/app.h"
13 #include "wx/stattext.h"
14 #include "wx/notebook.h"
15 #include "wx/tabctrl.h"
16 #include "wx/dc.h"
17 #include "wx/dcclient.h"
18 #include "wx/utils.h"
19 #include "wx/settings.h"
20
21 #include <stdio.h>
22
23 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
24
25 #include "wx/mac/uma.h"
26
27 BEGIN_EVENT_TABLE(wxStaticText, wxStaticTextBase)
28 EVT_PAINT(wxStaticText::OnPaint)
29 END_EVENT_TABLE()
30
31 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
32 const wxString& label,
33 const wxPoint& pos,
34 const wxSize& size,
35 long style,
36 const wxString& name)
37 {
38 m_label = wxStripMenuCodes(label) ;
39
40 if ( !wxControl::Create( parent, id, pos, size, style,
41 wxDefaultValidator , name ) )
42 {
43 return false;
44 }
45
46 SetBestSize( size ) ;
47
48 return true;
49 }
50
51 const wxString punct = wxT(" ,.-;:!?");
52
53 void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph, int &y)
54 {
55 long width, height ;
56
57 if (paragraph.length() == 0)
58 {
59 // empty line
60 dc.GetTextExtent( wxT("H"), &width, &height );
61 y += height;
62
63 return;
64 }
65
66 int x = 0 ;
67
68 bool linedrawn = true;
69 while( paragraph.length() > 0 )
70 {
71 dc.GetTextExtent( paragraph , &width , &height ) ;
72
73 if ( width > m_width )
74 {
75 for ( size_t p = paragraph.length() - 1 ; p > 0 ; --p )
76 {
77 if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn)
78 {
79 int blank = (paragraph[p] == ' ') ? 0 : 1;
80
81 dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ;
82
83 if ( width <= m_width )
84 {
85 int pos = x ;
86 if ( HasFlag( wxALIGN_CENTER ) )
87 {
88 pos += ( m_width - width ) / 2 ;
89 }
90 else if ( HasFlag( wxALIGN_RIGHT ) )
91 {
92 pos += ( m_width - width ) ;
93 }
94
95 dc.DrawText( paragraph.Left(p + blank), pos , y) ;
96 y += height ;
97 paragraph = paragraph.Mid(p+1) ;
98 linedrawn = true;
99 break ;
100 }
101 }
102 }
103
104 linedrawn = false;
105 }
106 else
107 {
108 int pos = x ;
109 if ( HasFlag( wxALIGN_CENTER ) )
110 {
111 pos += ( m_width - width ) / 2 ;
112 }
113 else if ( HasFlag( wxALIGN_RIGHT ) )
114 {
115 pos += ( m_width - width ) ;
116 }
117
118 dc.DrawText( paragraph, pos , y) ;
119 paragraph=wxEmptyString;
120 y += height ;
121 }
122 }
123 }
124
125 void wxStaticText::OnDraw( wxDC &dc )
126 {
127 if (m_width <= 0 || m_height <= 0)
128 return;
129 /*
130 dc.Clear() ;
131 wxRect rect(0,0,m_width,m_height) ;
132 dc.SetFont(*wxSMALL_FONT) ;
133
134 dc.DrawRectangle(rect) ;
135 */
136 if ( !IsWindowHilited( (WindowRef) MacGetRootWindow() ) &&
137 ( GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE )
138 || GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE) ) )
139 {
140 dc.SetTextForeground( wxColour( 0x80 , 0x80 , 0x80 ) ) ;
141 }
142 else
143 {
144 dc.SetTextForeground( GetForegroundColour() ) ;
145 }
146
147 wxString paragraph;
148 size_t i = 0 ;
149 wxString text = m_label;
150 int y = 0 ;
151 while (i < text.length())
152 {
153
154 if (text[i] == 13 || text[i] == 10)
155 {
156 DrawParagraph(dc, paragraph,y);
157 paragraph = wxEmptyString ;
158 }
159 else
160 {
161 paragraph += text[i];
162 }
163 ++i;
164 }
165 if (paragraph.length() > 0)
166 DrawParagraph(dc, paragraph,y);
167 }
168
169 void wxStaticText::OnPaint( wxPaintEvent & WXUNUSED(event) )
170 {
171 wxPaintDC dc(this);
172 OnDraw( dc ) ;
173 }
174
175 wxSize wxStaticText::DoGetBestSize() const
176 {
177 int widthTextMax = 0, widthLine,
178 heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
179
180 wxString curLine;
181 for ( const wxChar *pc = m_label; ; pc++ )
182 {
183 if ( *pc == wxT('\n') || *pc == wxT('\r') || *pc == wxT('\0') )
184 {
185 if ( !curLine )
186 {
187 // we can't use GetTextExtent - it will return 0 for both width
188 // and height and an empty line should count in height
189 // calculation
190 if ( !heightLineDefault )
191 heightLineDefault = heightLine;
192 if ( !heightLineDefault )
193 GetTextExtent(_T("W"), NULL, &heightLineDefault);
194
195 heightTextTotal += heightLineDefault;
196
197 heightTextTotal++; // FIXME: why is this necessary?
198 }
199 else
200 {
201 GetTextExtent(curLine, &widthLine, &heightLine);
202 if ( widthLine > widthTextMax )
203 widthTextMax = widthLine;
204 heightTextTotal += heightLine;
205
206 heightTextTotal++; // FIXME: why is this necessary?
207 }
208
209 if ( *pc == wxT('\n') || *pc == wxT('\r')) {
210 curLine.Empty();
211 }
212 else {
213 // the end of string
214 break;
215 }
216 }
217 else {
218 curLine += *pc;
219 }
220 }
221
222 return wxSize(widthTextMax, heightTextTotal);
223 }
224
225 void wxStaticText::SetLabel(const wxString& st )
226 {
227 wxStaticTextBase::SetLabel( st ) ;
228 m_label = st ;
229 if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
230 {
231 // temporary fix until layout measurement and drawing are in synch again
232 Refresh() ;
233 InvalidateBestSize();
234 SetSize( GetBestSize() ) ;
235 }
236 Refresh() ;
237 Update() ;
238 }
239
240 bool wxStaticText::SetFont(const wxFont& font)
241 {
242 bool ret = wxControl::SetFont(font);
243
244 if ( ret )
245 {
246 // adjust the size of the window to fit to the label unless autoresizing is
247 // disabled
248 if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
249 {
250 // temporary fix until layout measurement and drawing are in synch again
251 Refresh() ;
252 InvalidateBestSize();
253 SetSize( GetBestSize() );
254 }
255 }
256
257 return ret;
258 }