comparison: ui/motif/text.c
ui/motif/text.c
- branch
- newapi
- changeset 176
- bc63cb601f6d
- parent 155
- b907d8059290
- child 253
- 087cc9216f28
equal
deleted
inserted
replaced
| 175:2cb06c231057 | 176:bc63cb601f6d |
|---|---|
| 46 Widget parent = ct->prepare(ct, args, &n, TRUE); | 46 Widget parent = ct->prepare(ct, args, &n, TRUE); |
| 47 Widget text_area = XmCreateScrolledText(parent, "text_area", args, n); | 47 Widget text_area = XmCreateScrolledText(parent, "text_area", args, n); |
| 48 ct->add(ct, XtParent(text_area)); | 48 ct->add(ct, XtParent(text_area)); |
| 49 XtManageChild(text_area); | 49 XtManageChild(text_area); |
| 50 | 50 |
| 51 UiTextArea *uitext = ucx_mempool_malloc( | 51 UiTextArea *uitext = cxMalloc( |
| 52 obj->ctx->mempool, | 52 obj->ctx->allocator, |
| 53 sizeof(UiTextArea)); | 53 sizeof(UiTextArea)); |
| 54 uitext->ctx = obj->ctx; | 54 uitext->ctx = obj->ctx; |
| 55 uitext->last_selection_state = 0; | 55 uitext->last_selection_state = 0; |
| 56 XtAddCallback( | 56 XtAddCallback( |
| 57 text_area, | 57 text_area, |
| 190 | 190 |
| 191 | 191 |
| 192 UiUndoMgr* ui_create_undomgr() { | 192 UiUndoMgr* ui_create_undomgr() { |
| 193 UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr)); | 193 UiUndoMgr *mgr = malloc(sizeof(UiUndoMgr)); |
| 194 mgr->begin = NULL; | 194 mgr->begin = NULL; |
| 195 mgr->end = NULL; | |
| 195 mgr->cur = NULL; | 196 mgr->cur = NULL; |
| 196 mgr->length = 0; | 197 mgr->length = 0; |
| 197 mgr->event = 1; | 198 mgr->event = 1; |
| 198 return mgr; | 199 return mgr; |
| 200 } | |
| 201 | |
| 202 void ui_destroy_undomgr(UiUndoMgr *mgr) { | |
| 203 UiTextBufOp *op = mgr->begin; | |
| 204 while(op) { | |
| 205 UiTextBufOp *nextOp = op->next; | |
| 206 if(op->text) { | |
| 207 free(op->text); | |
| 208 } | |
| 209 free(op); | |
| 210 op = nextOp; | |
| 211 } | |
| 212 free(mgr); | |
| 199 } | 213 } |
| 200 | 214 |
| 201 void ui_text_selection_callback( | 215 void ui_text_selection_callback( |
| 202 Widget widget, | 216 Widget widget, |
| 203 UiTextArea *textarea, | 217 UiTextArea *textarea, |
| 236 | 250 |
| 237 char *text = txv->text->ptr; | 251 char *text = txv->text->ptr; |
| 238 int length = txv->text->length; | 252 int length = txv->text->length; |
| 239 | 253 |
| 240 if(mgr->cur) { | 254 if(mgr->cur) { |
| 241 UcxList *elm = mgr->cur->next; | 255 UiTextBufOp *elm = mgr->cur->next; |
| 242 if(elm) { | 256 if(elm) { |
| 243 mgr->cur->next = NULL; | 257 mgr->cur->next = NULL; |
| 258 mgr->end = mgr->cur; | |
| 244 while(elm) { | 259 while(elm) { |
| 245 elm->prev = NULL; | 260 elm->prev = NULL; |
| 246 UcxList *next = elm->next; | 261 UiTextBufOp *next = elm->next; |
| 247 ui_free_textbuf_op(elm->data); | 262 ui_free_textbuf_op(elm); |
| 248 free(elm); | |
| 249 elm = next; | 263 elm = next; |
| 250 } | 264 } |
| 251 } | 265 } |
| 252 | 266 |
| 253 if(type == UI_TEXTBUF_INSERT) { | 267 UiTextBufOp *last_op = mgr->cur; |
| 254 UiTextBufOp *last_op = mgr->cur->data; | 268 if( |
| 255 if( | 269 last_op->type == UI_TEXTBUF_INSERT && |
| 256 last_op->type == UI_TEXTBUF_INSERT && | 270 ui_check_insertstr(last_op->text, last_op->len, text, length) == 0) |
| 257 ui_check_insertstr(last_op->text, last_op->len, text, length) == 0) | 271 { |
| 258 { | 272 // append text to last op |
| 259 // append text to last op | 273 int ln = last_op->len; |
| 260 int ln = last_op->len; | 274 char *newtext = malloc(ln + length + 1); |
| 261 char *newtext = malloc(ln + length + 1); | 275 memcpy(newtext, last_op->text, ln); |
| 262 memcpy(newtext, last_op->text, ln); | 276 memcpy(newtext+ln, text, length); |
| 263 memcpy(newtext+ln, text, length); | 277 newtext[ln+length] = '\0'; |
| 264 newtext[ln+length] = '\0'; | 278 |
| 265 | 279 last_op->text = newtext; |
| 266 last_op->text = newtext; | 280 last_op->len = ln + length; |
| 267 last_op->len = ln + length; | 281 last_op->end += length; |
| 268 last_op->end += length; | 282 |
| 269 | 283 return; |
| 270 return; | |
| 271 } | |
| 272 } | 284 } |
| 273 } | 285 } |
| 274 | 286 |
| 275 char *str; | 287 char *str; |
| 276 if(type == UI_TEXTBUF_INSERT) { | 288 if(type == UI_TEXTBUF_INSERT) { |
| 282 str = malloc(length + 1); | 294 str = malloc(length + 1); |
| 283 XmTextGetSubstring(value->obj, txv->startPos, length, length+1, str); | 295 XmTextGetSubstring(value->obj, txv->startPos, length, length+1, str); |
| 284 } | 296 } |
| 285 | 297 |
| 286 UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); | 298 UiTextBufOp *op = malloc(sizeof(UiTextBufOp)); |
| 299 op->prev = NULL; | |
| 300 op->next = NULL; | |
| 287 op->type = type; | 301 op->type = type; |
| 288 op->start = txv->startPos; | 302 op->start = txv->startPos; |
| 289 op->end = txv->endPos + 1; | 303 op->end = txv->endPos + 1; |
| 290 op->len = length; | 304 op->len = length; |
| 291 op->text = str; | 305 op->text = str; |
| 292 | 306 |
| 293 UcxList *elm = ucx_list_append(NULL, op); | 307 cx_linked_list_add( |
| 294 mgr->cur = elm; | 308 (void**)&mgr->begin, |
| 295 mgr->begin = ucx_list_concat(mgr->begin, elm); | 309 (void**)&mgr->end, |
| 310 offsetof(UiTextBufOp, prev), | |
| 311 offsetof(UiTextBufOp, next), | |
| 312 op); | |
| 313 | |
| 314 mgr->cur = op; | |
| 296 } | 315 } |
| 297 | 316 |
| 298 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) { | 317 int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen) { |
| 299 // return 1 if oldstr + newstr are one word | 318 // return 1 if oldstr + newstr are one word |
| 300 | 319 |
| 325 | 344 |
| 326 void ui_text_undo(UiText *value) { | 345 void ui_text_undo(UiText *value) { |
| 327 UiUndoMgr *mgr = value->undomgr; | 346 UiUndoMgr *mgr = value->undomgr; |
| 328 | 347 |
| 329 if(mgr->cur) { | 348 if(mgr->cur) { |
| 330 UiTextBufOp *op = mgr->cur->data; | 349 UiTextBufOp *op = mgr->cur; |
| 331 mgr->event = 0; | 350 mgr->event = 0; |
| 332 switch(op->type) { | 351 switch(op->type) { |
| 333 case UI_TEXTBUF_INSERT: { | 352 case UI_TEXTBUF_INSERT: { |
| 334 XmTextReplace(value->obj, op->start, op->end, ""); | 353 XmTextReplace(value->obj, op->start, op->end, ""); |
| 335 break; | 354 break; |
| 345 } | 364 } |
| 346 | 365 |
| 347 void ui_text_redo(UiText *value) { | 366 void ui_text_redo(UiText *value) { |
| 348 UiUndoMgr *mgr = value->undomgr; | 367 UiUndoMgr *mgr = value->undomgr; |
| 349 | 368 |
| 350 UcxList *elm = NULL; | 369 UiTextBufOp *elm = NULL; |
| 351 if(mgr->cur) { | 370 if(mgr->cur) { |
| 352 if(mgr->cur->next) { | 371 if(mgr->cur->next) { |
| 353 elm = mgr->cur->next; | 372 elm = mgr->cur->next; |
| 354 } | 373 } |
| 355 } else if(mgr->begin) { | 374 } else if(mgr->begin) { |
| 356 elm = mgr->begin; | 375 elm = mgr->begin; |
| 357 } | 376 } |
| 358 | 377 |
| 359 if(elm) { | 378 if(elm) { |
| 360 UiTextBufOp *op = elm->data; | 379 UiTextBufOp *op = elm; |
| 361 mgr->event = 0; | 380 mgr->event = 0; |
| 362 switch(op->type) { | 381 switch(op->type) { |
| 363 case UI_TEXTBUF_INSERT: { | 382 case UI_TEXTBUF_INSERT: { |
| 364 XmTextInsert(value->obj, op->start, op->text); | 383 XmTextInsert(value->obj, op->start, op->text); |
| 365 break; | 384 break; |
