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comparison test/testime.c @ 4763:518d1679d2d0

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Merged Daniel's Google Summer of Code work from SDL-gsoc2010_IME
author Sam Lantinga <slouken@libsdl.org>
date Sun, 22 Aug 2010 12:39:27 -0700
parents 08d22c54a21f 140be6839185
children 1435f8a6425c
comparison
equal deleted inserted replaced
4762:833a225613e2 4763:518d1679d2d0
23 TTF_Font *font; 23 TTF_Font *font;
24 #endif 24 #endif
25 SDL_Rect textRect, markedRect; 25 SDL_Rect textRect, markedRect;
26 Uint32 lineColor, backColor; 26 Uint32 lineColor, backColor;
27 SDL_Color textColor = { 0, 0, 0 }; 27 SDL_Color textColor = { 0, 0, 0 };
28 char text[MAX_TEXT_LENGTH], *markedText; 28 char text[MAX_TEXT_LENGTH], markedText[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
29 int cursor = 0;
30
31 size_t utf8_length(unsigned char c)
32 {
33 c = (unsigned char)(0xff & c);
34 if (c < 0x80)
35 return 1;
36 else if ((c >> 5) ==0x6)
37 return 2;
38 else if ((c >> 4) == 0xe)
39 return 3;
40 else if ((c >> 3) == 0x1e)
41 return 4;
42 else
43 return 0;
44 }
45
46 char *utf8_next(char *p)
47 {
48 size_t len = utf8_length(*p);
49 size_t i = 0;
50 if (!len)
51 return 0;
52
53 for (; i < len; ++i)
54 {
55 ++p;
56 if (!*p)
57 return 0;
58 }
59 return p;
60 }
61
62 char *utf8_advance(char *p, size_t distance)
63 {
64 size_t i = 0;
65 for (; i < distance && p; ++i)
66 {
67 p = utf8_next(p);
68 }
69 return p;
70 }
29 71
30 void usage() 72 void usage()
31 { 73 {
32 printf("usage: testime [--font fontfile] [--fullscreen]\n"); 74 printf("usage: testime [--font fontfile] [--fullscreen]\n");
33 exit(0); 75 exit(0);
122 textRect.w = screen->w - 2 * textRect.x; 164 textRect.w = screen->w - 2 * textRect.x;
123 textRect.h = 50; 165 textRect.h = 50;
124 166
125 text[0] = 0; 167 text[0] = 0;
126 markedRect = textRect; 168 markedRect = textRect;
127 markedText = NULL; 169 markedText[0] = 0;
128 170
129 SDL_StartTextInput(); 171 SDL_StartTextInput();
130 } 172 }
131 173
132 #ifdef HAVE_SDL_TTF 174 #ifdef HAVE_SDL_TTF
178 cursorRect = markedRect; 220 cursorRect = markedRect;
179 cursorRect.w = 2; 221 cursorRect.w = 2;
180 cursorRect.h = h; 222 cursorRect.h = h;
181 223
182 SDL_FillRect(screen, &markedRect, backColor); 224 SDL_FillRect(screen, &markedRect, backColor);
183 if (markedText) 225 if (markedText[0])
184 { 226 {
185 #ifdef HAVE_SDL_TTF 227 #ifdef HAVE_SDL_TTF
228 if (cursor)
229 {
230 char *p = utf8_advance(markedText, cursor);
231 char c = 0;
232 if (!p)
233 p = &markedText[strlen(markedText)];
234
235 c = *p;
236 *p = 0;
237 TTF_SizeUTF8(font, markedText, &w, 0);
238 cursorRect.x += w;
239 *p = c;
240 }
186 RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor); 241 RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor);
187 TTF_SizeUTF8(font, markedText, &w, &h); 242 TTF_SizeUTF8(font, markedText, &w, &h);
188 #endif 243 #endif
189 244
190 underlineRect = markedRect; 245 underlineRect = markedRect;
191 underlineRect.y += (h - 2); 246 underlineRect.y += (h - 2);
192 underlineRect.h = 2; 247 underlineRect.h = 2;
193 underlineRect.w = w; 248 underlineRect.w = w;
194
195 cursorRect.x += w + 1;
196 249
197 SDL_FillRect(screen, &underlineRect, lineColor); 250 SDL_FillRect(screen, &underlineRect, lineColor);
198 } 251 }
199 252
200 SDL_FillRect(screen, &cursorRect, lineColor); 253 SDL_FillRect(screen, &cursorRect, lineColor);
293 break; 346 break;
294 347
295 fprintf(stderr, "Keyboard: text input \"%s\"\n", event.text.text); 348 fprintf(stderr, "Keyboard: text input \"%s\"\n", event.text.text);
296 349
297 if (SDL_strlen(text) + SDL_strlen(event.text.text) < sizeof(text)) 350 if (SDL_strlen(text) + SDL_strlen(event.text.text) < sizeof(text))
298 SDL_strlcpy(text + SDL_strlen(text), event.text.text, sizeof(text)); 351 SDL_strlcat(text, event.text.text, sizeof(text));
299 352
300 fprintf(stderr, "text inputed: %s\n", text); 353 fprintf(stderr, "text inputed: %s\n", text);
301 354
302 // After text inputed, we can clear up markedText because it 355 // After text inputed, we can clear up markedText because it
303 // is committed 356 // is committed
304 markedText = NULL; 357 markedText[0] = 0;
305 Redraw(); 358 Redraw();
306 break; 359 break;
307 360
308 case SDL_TEXTEDITING: 361 case SDL_TEXTEDITING:
309 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n", 362 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n",
310 event.edit.text, event.edit.start, event.edit.length); 363 event.edit.text, event.edit.start, event.edit.length);
311 364
312 markedText = event.edit.text; 365 strcpy(markedText, event.edit.text);
366 cursor = event.edit.start;
313 Redraw(); 367 Redraw();
314 break; 368 break;
315 369
316 case SDL_QUIT: 370 case SDL_QUIT:
317 done = 1; 371 done = 1;