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1 | // ============================================================================ | |
2 | // headers | |
3 | // ============================================================================ | |
4 | ||
5 | #ifdef __GNUG__ | |
6 | #pragma implementation "wxLEDNumberCtrl.h" | |
7 | #endif | |
8 | ||
9 | #include "wx/wxprec.h" | |
10 | ||
11 | #ifdef __BORLANDC__ | |
12 | #pragma hdrstop | |
13 | #endif //__BORLANDC__ | |
14 | ||
15 | #ifndef WX_PRECOMP | |
16 | #include "wx/dcclient.h" | |
17 | #include "wx/dcmemory.h" | |
18 | #include "wx/intl.h" | |
19 | #endif | |
20 | ||
21 | #include "wx/gizmos/ledctrl.h" | |
22 | ||
23 | // ---------------------------------------------------------------------------- | |
24 | // constants | |
25 | // ---------------------------------------------------------------------------- | |
26 | ||
27 | // A LED digit is build up like this, with maximum 7 Lines : | |
28 | // | |
29 | // 111 | |
30 | // 6 2 | |
31 | // 777 | |
32 | // 5 3 | |
33 | // 444 | |
34 | // | |
35 | // Each number contains combinations of the lines, and they are set up below. | |
36 | ||
37 | const int LINE1 = 1; | |
38 | const int LINE2 = 2; | |
39 | const int LINE3 = 4; | |
40 | const int LINE4 = 8; | |
41 | const int LINE5 = 16; | |
42 | const int LINE6 = 32; | |
43 | const int LINE7 = 64; | |
44 | ||
45 | const int DIGIT0 = LINE1 | LINE2 | LINE3 | LINE4 | LINE5 | LINE6; | |
46 | const int DIGIT1 = LINE2 | LINE3; | |
47 | const int DIGIT2 = LINE1 | LINE2 | LINE4 | LINE5 | LINE7; | |
48 | const int DIGIT3 = LINE1 | LINE2 | LINE3 | LINE4 | LINE7; | |
49 | const int DIGIT4 = LINE2 | LINE3 | LINE6 | LINE7; | |
50 | const int DIGIT5 = LINE1 | LINE3 | LINE4 | LINE6 | LINE7; | |
51 | const int DIGIT6 = LINE1 | LINE3 | LINE4 | LINE5 | LINE6 | LINE7; | |
52 | const int DIGIT7 = LINE1 | LINE2 | LINE3; | |
53 | const int DIGIT8 = LINE1 | LINE2 | LINE3 | LINE4 | LINE5 | LINE6 | LINE7; | |
54 | const int DIGIT9 = LINE1 | LINE2 | LINE3 | LINE6 | LINE7; | |
55 | const int DASH = LINE7; | |
56 | ||
57 | const int DIGITALL = -1; | |
58 | ||
59 | // ============================================================================ | |
60 | // wxLEDNumberCtrl class implementation | |
61 | // ============================================================================ | |
62 | ||
63 | wxLEDNumberCtrl::wxLEDNumberCtrl() | |
64 | : m_Alignment(wxLED_ALIGN_LEFT), | |
65 | m_LineMargin(-1), | |
66 | m_DigitMargin(-1), | |
67 | m_LineLength(-1), | |
68 | m_LineWidth(-1), | |
69 | m_DrawFaded(FALSE), | |
70 | m_LeftStartPos(-1) | |
71 | { | |
72 | } | |
73 | ||
74 | ||
75 | wxLEDNumberCtrl::wxLEDNumberCtrl(wxWindow *parent, wxWindowID id, | |
76 | const wxPoint& pos, const wxSize& size, | |
77 | long style) | |
78 | : m_Alignment(wxLED_ALIGN_LEFT), | |
79 | m_LineMargin(-1), | |
80 | m_DigitMargin(-1), | |
81 | m_LineLength(-1), | |
82 | m_LineWidth(-1), | |
83 | m_DrawFaded(FALSE), | |
84 | m_LeftStartPos(-1) | |
85 | { | |
86 | Create(parent, id, pos, size, style); | |
87 | } | |
88 | ||
89 | ||
90 | bool wxLEDNumberCtrl::Create(wxWindow *parent, wxWindowID id, | |
91 | const wxPoint& pos, const wxSize& size, | |
92 | long style) | |
93 | { | |
94 | bool RetVal = wxControl::Create(parent, id, pos, size, style); | |
95 | ||
96 | if ((style & wxLED_DRAW_FADED) != 0) | |
97 | SetDrawFaded(TRUE); | |
98 | if ((style & wxLED_ALIGN_MASK) != 0) | |
99 | SetAlignment((wxLEDValueAlign)(style & wxLED_ALIGN_MASK)); | |
100 | ||
101 | SetBackgroundColour(*wxBLACK); | |
102 | SetForegroundColour(*wxGREEN); | |
103 | ||
104 | return RetVal; | |
105 | } | |
106 | ||
107 | ||
108 | void wxLEDNumberCtrl::SetAlignment(wxLEDValueAlign Alignment, bool Redraw) | |
109 | { | |
110 | if (Alignment != m_Alignment) | |
111 | { | |
112 | m_Alignment = Alignment; | |
113 | RecalcInternals(GetClientSize()); | |
114 | ||
115 | if (Redraw) | |
116 | Refresh(FALSE); | |
117 | } | |
118 | } | |
119 | ||
120 | ||
121 | void wxLEDNumberCtrl::SetDrawFaded(bool DrawFaded, bool Redraw) | |
122 | { | |
123 | if (DrawFaded != m_DrawFaded) | |
124 | { | |
125 | m_DrawFaded = DrawFaded; | |
126 | ||
127 | if (Redraw) | |
128 | Refresh(FALSE); | |
129 | } | |
130 | } | |
131 | ||
132 | ||
133 | void wxLEDNumberCtrl::SetValue(wxString const &Value, bool Redraw) | |
134 | { | |
135 | if (Value != m_Value) | |
136 | { | |
137 | #ifdef __WXDEBUG__ | |
138 | if (!Value.IsEmpty()) | |
139 | { | |
140 | for(size_t i=0; i<Value.Length(); i++) { | |
141 | wxChar ch = Value[i]; | |
142 | wxASSERT_MSG((ch>='0' && ch<='9') || ch=='-' || ch==' ', | |
143 | wxT("wxLEDNumberCtrl can only display numeric string values.")); | |
144 | } | |
145 | } | |
146 | #endif | |
147 | ||
148 | m_Value = Value; | |
149 | RecalcInternals(GetClientSize()); | |
150 | ||
151 | if (Redraw) | |
152 | Refresh(FALSE); | |
153 | } | |
154 | } | |
155 | ||
156 | ||
157 | BEGIN_EVENT_TABLE(wxLEDNumberCtrl, wxControl) | |
158 | EVT_ERASE_BACKGROUND(wxLEDNumberCtrl::OnEraseBackground) | |
159 | EVT_PAINT(wxLEDNumberCtrl::OnPaint) | |
160 | EVT_SIZE(wxLEDNumberCtrl::OnSize) | |
161 | END_EVENT_TABLE() | |
162 | ||
163 | ||
164 | void wxLEDNumberCtrl::OnEraseBackground(wxEraseEvent &WXUNUSED(event)) | |
165 | { | |
166 | } | |
167 | ||
168 | ||
169 | void wxLEDNumberCtrl::OnPaint(wxPaintEvent &WXUNUSED(event)) | |
170 | { | |
171 | wxPaintDC Dc(this); | |
172 | ||
173 | int Width, Height; | |
174 | GetClientSize(&Width, &Height); | |
175 | ||
176 | wxBitmap *pMemoryBitmap = new wxBitmap(Width, Height); | |
177 | wxMemoryDC MemDc; | |
178 | ||
179 | MemDc.SelectObject(*pMemoryBitmap); | |
180 | MemDc.BeginDrawing(); | |
181 | ||
182 | // Draw background. | |
183 | MemDc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID)); | |
184 | MemDc.DrawRectangle(wxRect(0, 0, Width, Height)); | |
185 | MemDc.SetBrush(wxNullBrush); | |
186 | ||
187 | // Iterate each digit in the value, and draw. | |
188 | const int DigitCount = m_Value.Len(); | |
189 | for (int i = 0; i < DigitCount; ++i) | |
190 | { | |
191 | // Draw faded lines if wanted. | |
192 | if (m_DrawFaded) | |
193 | DrawDigit(MemDc, DIGITALL, i); | |
194 | ||
195 | // Draw the digits. | |
196 | switch (m_Value.GetChar(i)) | |
197 | { | |
198 | case '0' : | |
199 | DrawDigit(MemDc, DIGIT0, i); | |
200 | break; | |
201 | case '1' : | |
202 | DrawDigit(MemDc, DIGIT1, i); | |
203 | break; | |
204 | case '2' : | |
205 | DrawDigit(MemDc, DIGIT2, i); | |
206 | break; | |
207 | case '3' : | |
208 | DrawDigit(MemDc, DIGIT3, i); | |
209 | break; | |
210 | case '4' : | |
211 | DrawDigit(MemDc, DIGIT4, i); | |
212 | break; | |
213 | case '5' : | |
214 | DrawDigit(MemDc, DIGIT5, i); | |
215 | break; | |
216 | case '6' : | |
217 | DrawDigit(MemDc, DIGIT6, i); | |
218 | break; | |
219 | case '7' : | |
220 | DrawDigit(MemDc, DIGIT7, i); | |
221 | break; | |
222 | case '8' : | |
223 | DrawDigit(MemDc, DIGIT8, i); | |
224 | break; | |
225 | case '9' : | |
226 | DrawDigit(MemDc, DIGIT9, i); | |
227 | break; | |
228 | case '-' : | |
229 | DrawDigit(MemDc, DASH, i); | |
230 | break; | |
231 | case ' ' : | |
232 | // just skip it | |
233 | break; | |
234 | default : | |
235 | wxFAIL_MSG(wxT("Unknown digit value")); | |
236 | break; | |
237 | } | |
238 | } | |
239 | ||
240 | MemDc.EndDrawing(); | |
241 | ||
242 | // Blit the memory dc to screen. | |
243 | Dc.Blit(0, 0, Width, Height, &MemDc, 0, 0, wxCOPY); | |
244 | delete pMemoryBitmap; | |
245 | } | |
246 | ||
247 | ||
248 | void wxLEDNumberCtrl::DrawDigit(wxDC &Dc, int Digit, int Column) | |
249 | { | |
250 | wxColour LineColor(GetForegroundColour()); | |
251 | ||
252 | if (Digit == DIGITALL) | |
253 | { | |
254 | const int R = LineColor.Red() / 3; | |
255 | const int G = LineColor.Green() / 3; | |
256 | const int B = LineColor.Blue() / 3; | |
257 | ||
258 | LineColor.Set(R, G, B); | |
259 | } | |
260 | ||
261 | int XPos = m_LeftStartPos; | |
262 | ||
263 | if (Column > 0) | |
264 | XPos += (Column * m_LineLength) + (m_DigitMargin) * Column; | |
265 | ||
266 | // Create a pen and draw the lines. | |
267 | wxPen Pen(LineColor, m_LineWidth, wxSOLID); | |
268 | Dc.SetPen(Pen); | |
269 | ||
270 | if ((Digit & LINE1)) | |
271 | { | |
272 | Dc.DrawLine(XPos + m_LineMargin*2, m_LineMargin, | |
273 | XPos + m_LineLength, m_LineMargin); | |
274 | } | |
275 | ||
276 | if (Digit & LINE2) | |
277 | { | |
278 | Dc.DrawLine(XPos + m_LineLength + m_LineMargin, m_LineMargin*2, | |
279 | XPos + m_LineLength + m_LineMargin, m_LineLength + (m_LineMargin*2)); | |
280 | } | |
281 | ||
282 | if (Digit & LINE3) | |
283 | { | |
284 | Dc.DrawLine(XPos + m_LineLength + m_LineMargin, m_LineLength + (m_LineMargin*4), | |
285 | XPos + m_LineLength + m_LineMargin, m_LineLength*2 + (m_LineMargin*3)); | |
286 | } | |
287 | ||
288 | if (Digit & LINE4) | |
289 | { | |
290 | Dc.DrawLine(XPos + m_LineMargin*2, m_LineLength*2 + (m_LineMargin*4), | |
291 | XPos + m_LineLength, m_LineLength*2 + (m_LineMargin*4)); | |
292 | } | |
293 | ||
294 | if (Digit & LINE5) | |
295 | { | |
296 | Dc.DrawLine(XPos + m_LineMargin, m_LineLength + (m_LineMargin*4), | |
297 | XPos + m_LineMargin, m_LineLength*2 + (m_LineMargin*3)); | |
298 | } | |
299 | ||
300 | if (Digit & LINE6) | |
301 | { | |
302 | Dc.DrawLine(XPos + m_LineMargin, m_LineMargin*2, | |
303 | XPos + m_LineMargin, m_LineLength + (m_LineMargin*2)); | |
304 | } | |
305 | ||
306 | if (Digit & LINE7) | |
307 | { | |
308 | Dc.DrawLine(XPos + m_LineMargin*2, m_LineLength + (m_LineMargin*3), | |
309 | XPos + m_LineMargin + m_LineLength - m_LineMargin, m_LineLength + (m_LineMargin*3)); | |
310 | } | |
311 | ||
312 | Dc.SetPen(wxNullPen); | |
313 | } | |
314 | ||
315 | ||
316 | void wxLEDNumberCtrl::RecalcInternals(const wxSize &CurrentSize) | |
317 | { | |
318 | const int Height = CurrentSize.GetHeight(); | |
319 | ||
320 | if ((Height * 0.07) < 1) | |
321 | m_LineMargin = 1; | |
322 | else | |
323 | m_LineMargin = (int)(Height * 0.07); | |
324 | ||
325 | if ((Height * 0.35) < 1) | |
326 | m_LineLength = 1; | |
327 | else | |
328 | m_LineLength = (int)(Height * 0.35); | |
329 | ||
330 | m_LineWidth = m_LineMargin; | |
331 | ||
332 | m_DigitMargin = m_LineMargin * 4; | |
333 | ||
334 | const int ValueWidth = (m_LineLength + m_DigitMargin) * m_Value.Len(); | |
335 | const int ClientWidth = CurrentSize.GetWidth(); | |
336 | ||
337 | switch (m_Alignment) | |
338 | { | |
339 | case wxLED_ALIGN_LEFT : | |
340 | m_LeftStartPos = 0; | |
341 | break; | |
342 | case wxLED_ALIGN_RIGHT : | |
343 | m_LeftStartPos = ClientWidth - ValueWidth; | |
344 | break; | |
345 | case wxLED_ALIGN_CENTER : | |
346 | m_LeftStartPos = (ClientWidth - ValueWidth) / 2; | |
347 | break; | |
348 | default : | |
349 | wxFAIL_MSG(wxT("Unknown alignent value for wxLEDNumberCtrl.")); | |
350 | break; | |
351 | } | |
352 | } | |
353 | ||
354 | ||
355 | void wxLEDNumberCtrl::OnSize(wxSizeEvent &Event) | |
356 | { | |
357 | RecalcInternals(Event.GetSize()); | |
358 | ||
359 | Event.Skip(); | |
360 | } |