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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/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 | SetName(name); | |
45 | m_backgroundColour = parent->GetBackgroundColour() ; | |
46 | m_foregroundColour = parent->GetForegroundColour() ; | |
47 | ||
48 | if ( id == -1 ) | |
49 | m_windowId = (int)NewControlId(); | |
50 | else | |
51 | m_windowId = id; | |
52 | ||
53 | m_windowStyle = style; | |
54 | m_label = label ; | |
55 | ||
56 | bool ret = wxControl::Create( parent, id, pos, size, style , wxDefaultValidator , name ); | |
57 | SetBestSize( size ) ; | |
58 | ||
59 | return ret; | |
60 | } | |
61 | ||
62 | const wxString punct = " ,.-;:!?"; | |
63 | ||
64 | void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph, int &y) | |
65 | { | |
66 | int x = 0 ; | |
67 | ||
68 | int i = 0 ; | |
69 | long width, height ; | |
70 | bool linedrawn = true; | |
71 | while( paragraph.Length() > 0 ) | |
72 | { | |
73 | dc.GetTextExtent( paragraph , &width , &height ) ; | |
74 | ||
75 | if ( width > m_width ) | |
76 | { | |
77 | for ( int p = paragraph.Length() -1 ; p > 0 ; --p ) | |
78 | { | |
79 | if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn) | |
80 | { | |
81 | int blank = (paragraph[p] == ' ') ? 0 : 1; | |
82 | ||
83 | dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ; | |
84 | ||
85 | if ( width <= m_width ) | |
86 | { | |
87 | int pos = x ; | |
88 | if ( HasFlag( wxALIGN_CENTER ) ) | |
89 | { | |
90 | pos += ( m_width - width ) / 2 ; | |
91 | } | |
92 | else if ( HasFlag( wxALIGN_RIGHT ) ) | |
93 | { | |
94 | pos += ( m_width - width ) ; | |
95 | } | |
96 | ||
97 | dc.DrawText( paragraph.Left(p + blank), pos , y) ; | |
98 | y += height ; | |
99 | paragraph = paragraph.Mid(p+1) ; | |
100 | linedrawn = true; | |
101 | break ; | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | linedrawn = false; | |
107 | } | |
108 | else | |
109 | { | |
110 | int pos = x ; | |
111 | if ( HasFlag( wxALIGN_CENTER ) ) | |
112 | { | |
113 | pos += ( m_width - width ) / 2 ; | |
114 | } | |
115 | else if ( HasFlag( wxALIGN_RIGHT ) ) | |
116 | { | |
117 | pos += ( m_width - width ) ; | |
118 | } | |
119 | ||
120 | dc.DrawText( paragraph, pos , y) ; | |
121 | paragraph=""; | |
122 | y += height ; | |
123 | } | |
124 | } | |
125 | } | |
126 | ||
127 | void wxStaticText::OnDraw( wxDC &dc ) | |
128 | { | |
129 | if (m_width <= 0 || m_height <= 0) | |
130 | return; | |
131 | /* | |
132 | dc.Clear() ; | |
133 | wxRect rect(0,0,m_width,m_height) ; | |
134 | dc.SetFont(*wxSMALL_FONT) ; | |
135 | ||
136 | dc.DrawRectangle(rect) ; | |
137 | */ | |
138 | if ( !IsWindowHilited( (WindowRef) MacGetRootWindow() ) && | |
139 | ( GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) | |
140 | || GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE) ) ) | |
141 | { | |
142 | dc.SetTextForeground( wxColour( 0x80 , 0x80 , 0x80 ) ) ; | |
143 | } | |
144 | else | |
145 | { | |
146 | dc.SetTextForeground( GetForegroundColour() ) ; | |
147 | } | |
148 | ||
149 | wxString paragraph; | |
150 | int i = 0 ; | |
151 | wxString text = m_label; | |
152 | int y = 0 ; | |
153 | while (i < text.Length()) | |
154 | { | |
155 | ||
156 | if (text[i] == 13 || text[i] == 10) | |
157 | { | |
158 | DrawParagraph(dc, paragraph,y); | |
159 | paragraph = "" ; | |
160 | } | |
161 | else | |
162 | { | |
163 | paragraph += text[i]; | |
164 | } | |
165 | ++i; | |
166 | } | |
167 | if (paragraph.Length() > 0) | |
168 | DrawParagraph(dc, paragraph,y); | |
169 | } | |
170 | ||
171 | void wxStaticText::OnPaint( wxPaintEvent &event ) | |
172 | { | |
173 | wxPaintDC dc(this); | |
174 | OnDraw( dc ) ; | |
175 | } | |
176 | ||
177 | wxSize wxStaticText::DoGetBestSize() const | |
178 | { | |
179 | int widthTextMax = 0, widthLine, | |
180 | heightTextTotal = 0, heightLineDefault = 0, heightLine = 0; | |
181 | ||
182 | wxString curLine; | |
183 | for ( const wxChar *pc = m_label; ; pc++ ) | |
184 | { | |
185 | if ( *pc == wxT('\n') || *pc == wxT('\0') ) | |
186 | { | |
187 | if ( !curLine ) | |
188 | { | |
189 | // we can't use GetTextExtent - it will return 0 for both width | |
190 | // and height and an empty line should count in height | |
191 | // calculation | |
192 | if ( !heightLineDefault ) | |
193 | heightLineDefault = heightLine; | |
194 | if ( !heightLineDefault ) | |
195 | GetTextExtent(_T("W"), NULL, &heightLineDefault); | |
196 | ||
197 | heightTextTotal += heightLineDefault; | |
198 | ||
199 | heightTextTotal++; // FIXME: why is this necessary? | |
200 | } | |
201 | else | |
202 | { | |
203 | GetTextExtent(curLine, &widthLine, &heightLine); | |
204 | if ( widthLine > widthTextMax ) | |
205 | widthTextMax = widthLine; | |
206 | heightTextTotal += heightLine; | |
207 | ||
208 | heightTextTotal++; // FIXME: why is this necessary? | |
209 | } | |
210 | ||
211 | if ( *pc == wxT('\n') ) { | |
212 | curLine.Empty(); | |
213 | } | |
214 | else { | |
215 | // the end of string | |
216 | break; | |
217 | } | |
218 | } | |
219 | else { | |
220 | curLine += *pc; | |
221 | } | |
222 | } | |
223 | ||
224 | return wxSize(widthTextMax, heightTextTotal); | |
225 | } | |
226 | ||
227 | void wxStaticText::SetLabel(const wxString& st ) | |
228 | { | |
229 | SetTitle( st ) ; | |
230 | m_label = st ; | |
231 | if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) | |
232 | SetSize( GetBestSize() ) ; | |
233 | ||
234 | Refresh() ; | |
235 | Update() ; | |
236 | } | |
237 | ||
238 | bool wxStaticText::SetFont(const wxFont& font) | |
239 | { | |
240 | bool ret = wxControl::SetFont(font); | |
241 | ||
242 | // adjust the size of the window to fit to the label unless autoresizing is | |
243 | // disabled | |
244 | if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) | |
245 | SetSize( GetBestSize() ); | |
246 | ||
247 | return ret; | |
248 | } |