Commit d0ffcc126997aa09e5d6ec81781567a998fd4ba1
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48e7d682
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Reorganizing and isolating clipboard management code.
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lib3270.cbp
| ... | ... | @@ -217,7 +217,10 @@ |
| 217 | 217 | <Unit filename="src/lib3270/see.c"> |
| 218 | 218 | <Option compilerVar="CC" /> |
| 219 | 219 | </Unit> |
| 220 | - <Unit filename="src/lib3270/selection.c"> | |
| 220 | + <Unit filename="src/lib3270/selection/actions.c"> | |
| 221 | + <Option compilerVar="CC" /> | |
| 222 | + </Unit> | |
| 223 | + <Unit filename="src/lib3270/selection/selection.c"> | |
| 221 | 224 | <Option compilerVar="CC" /> |
| 222 | 225 | </Unit> |
| 223 | 226 | <Unit filename="src/lib3270/session.c"> | ... | ... |
src/lib3270/Makefile.in
src/lib3270/private.h
| ... | ... | @@ -648,6 +648,16 @@ struct _h3270 |
| 648 | 648 | |
| 649 | 649 | }; |
| 650 | 650 | |
| 651 | +#define SELECTION_LEFT 0x01 | |
| 652 | +#define SELECTION_TOP 0x02 | |
| 653 | +#define SELECTION_RIGHT 0x04 | |
| 654 | +#define SELECTION_BOTTOM 0x08 | |
| 655 | + | |
| 656 | +#define SELECTION_SINGLE_COL 0x10 | |
| 657 | +#define SELECTION_SINGLE_ROW 0x20 | |
| 658 | + | |
| 659 | +#define SELECTION_ACTIVE 0x80 | |
| 660 | + | |
| 651 | 661 | /* Library internal calls */ |
| 652 | 662 | LIB3270_INTERNAL void key_ACharacter(H3270 *hSession, unsigned char c, enum keytype keytype, enum iaction cause,Boolean *skipped); |
| 653 | 663 | LIB3270_INTERNAL int cursor_move(H3270 *session, int baddr); |
| ... | ... | @@ -660,6 +670,9 @@ LIB3270_INTERNAL void lib3270_sock_disconnect(H3270 *hSession); |
| 660 | 670 | |
| 661 | 671 | LIB3270_INTERNAL int lib3270_default_event_dispatcher(H3270 *hSession, int block); |
| 662 | 672 | |
| 673 | +LIB3270_INTERNAL void do_select(H3270 *h, int start, int end, int rect); | |
| 674 | + | |
| 675 | + | |
| 663 | 676 | /** |
| 664 | 677 | * @brief Called from timer to attempt an automatic reconnection. |
| 665 | 678 | */ | ... | ... |
src/lib3270/selection.c
| ... | ... | @@ -1,912 +0,0 @@ |
| 1 | -/* | |
| 2 | - * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270 | |
| 3 | - * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a | |
| 4 | - * aplicativos mainframe. Registro no INPI sob o nome G3270. | |
| 5 | - * | |
| 6 | - * Copyright (C) <2008> <Banco do Brasil S.A.> | |
| 7 | - * | |
| 8 | - * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob | |
| 9 | - * os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela | |
| 10 | - * Free Software Foundation. | |
| 11 | - * | |
| 12 | - * Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER | |
| 13 | - * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO | |
| 14 | - * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para | |
| 15 | - * obter mais detalhes. | |
| 16 | - * | |
| 17 | - * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este | |
| 18 | - * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin | |
| 19 | - * St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | - * | |
| 21 | - * Este programa está nomeado como selection.c e possui - linhas de código. | |
| 22 | - * | |
| 23 | - * Contatos: | |
| 24 | - * | |
| 25 | - * perry.werneck@gmail.com (Alexandre Perry de Souza Werneck) | |
| 26 | - * erico.mendonca@gmail.com (Erico Mascarenhas Mendonça) | |
| 27 | - * | |
| 28 | - */ | |
| 29 | - | |
| 30 | - #include "private.h" | |
| 31 | - #include <lib3270.h> | |
| 32 | - #include <lib3270/actions.h> | |
| 33 | - #include <lib3270/session.h> | |
| 34 | - #include <lib3270/selection.h> | |
| 35 | - #include "3270ds.h" | |
| 36 | - | |
| 37 | - #define SELECTION_LEFT 0x01 | |
| 38 | - #define SELECTION_TOP 0x02 | |
| 39 | - #define SELECTION_RIGHT 0x04 | |
| 40 | - #define SELECTION_BOTTOM 0x08 | |
| 41 | - | |
| 42 | - #define SELECTION_SINGLE_COL 0x10 | |
| 43 | - #define SELECTION_SINGLE_ROW 0x20 | |
| 44 | - | |
| 45 | - #define SELECTION_ACTIVE 0x80 | |
| 46 | - | |
| 47 | - static void do_select(H3270 *h, int start, int end, int rect); | |
| 48 | - | |
| 49 | - /*--[ Implement ]------------------------------------------------------------------------------------*/ | |
| 50 | - | |
| 51 | -static void get_selected_addr(H3270 *session, int *start, int *end) | |
| 52 | -{ | |
| 53 | - if(session->select.start > session->select.end) | |
| 54 | - { | |
| 55 | - *end = session->select.start; | |
| 56 | - *start = session->select.end; | |
| 57 | - } | |
| 58 | - else | |
| 59 | - { | |
| 60 | - *start = session->select.start; | |
| 61 | - *end = session->select.end; | |
| 62 | - } | |
| 63 | -} | |
| 64 | - | |
| 65 | -static void update_selected_rectangle(H3270 *session) | |
| 66 | -{ | |
| 67 | - struct | |
| 68 | - { | |
| 69 | - int row; | |
| 70 | - int col; | |
| 71 | - } p[2]; | |
| 72 | - | |
| 73 | - | |
| 74 | - int begin, end, row, col, baddr; | |
| 75 | - | |
| 76 | - get_selected_addr(session,&begin,&end); | |
| 77 | - | |
| 78 | - // Get start & end posision | |
| 79 | - p[0].row = (begin/session->cols); | |
| 80 | - p[0].col = (begin%session->cols); | |
| 81 | - p[1].row = (end/session->cols); | |
| 82 | - p[1].col = (end%session->cols); | |
| 83 | - | |
| 84 | - if(p[0].row > p[1].row) | |
| 85 | - { | |
| 86 | - int swp = p[0].row; | |
| 87 | - p[0].row = p[1].row; | |
| 88 | - p[1].row = swp; | |
| 89 | - } | |
| 90 | - | |
| 91 | - if(p[0].col > p[1].col) | |
| 92 | - { | |
| 93 | - int swp = p[0].col; | |
| 94 | - p[0].col = p[1].col; | |
| 95 | - p[1].col = swp; | |
| 96 | - } | |
| 97 | - | |
| 98 | - // First remove unselected areas | |
| 99 | - baddr = 0; | |
| 100 | - for(row=0;row < session->rows;row++) | |
| 101 | - { | |
| 102 | - for(col = 0; col < session->cols;col++) | |
| 103 | - { | |
| 104 | - if(!(row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && (session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 105 | - { | |
| 106 | - session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 107 | - session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 108 | - } | |
| 109 | - baddr++; | |
| 110 | - } | |
| 111 | - } | |
| 112 | - | |
| 113 | - // Then, draw selected ones | |
| 114 | - baddr = 0; | |
| 115 | - for(row=0;row < session->rows;row++) | |
| 116 | - { | |
| 117 | - for(col = 0; col < session->cols;col++) | |
| 118 | - { | |
| 119 | - if((row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && !(session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 120 | - { | |
| 121 | - session->text[baddr].attr |= LIB3270_ATTR_SELECTED; | |
| 122 | - session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 123 | - } | |
| 124 | - baddr++; | |
| 125 | - } | |
| 126 | - } | |
| 127 | - | |
| 128 | -} | |
| 129 | - | |
| 130 | -static void update_selected_region(H3270 *session) | |
| 131 | -{ | |
| 132 | - int baddr,begin,end; | |
| 133 | - int len = session->rows*session->cols; | |
| 134 | - | |
| 135 | - get_selected_addr(session,&begin,&end); | |
| 136 | - | |
| 137 | - // First remove unselected areas | |
| 138 | - for(baddr = 0; baddr < begin; baddr++) | |
| 139 | - { | |
| 140 | - if(session->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 141 | - { | |
| 142 | - session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 143 | - session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 144 | - } | |
| 145 | - } | |
| 146 | - | |
| 147 | - for(baddr = end+1; baddr < len; baddr++) | |
| 148 | - { | |
| 149 | - if(session->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 150 | - { | |
| 151 | - session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 152 | - session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 153 | - } | |
| 154 | - } | |
| 155 | - | |
| 156 | - // Then draw the selected ones | |
| 157 | - for(baddr = begin; baddr <= end; baddr++) | |
| 158 | - { | |
| 159 | - if(!(session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 160 | - { | |
| 161 | - session->text[baddr].attr |= LIB3270_ATTR_SELECTED; | |
| 162 | - session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 163 | - } | |
| 164 | - } | |
| 165 | - | |
| 166 | -} | |
| 167 | - | |
| 168 | -void toggle_rectselect(H3270 *session, struct lib3270_toggle GNUC_UNUSED(*t), LIB3270_TOGGLE_TYPE GNUC_UNUSED(tt)) | |
| 169 | -{ | |
| 170 | - if(!session->selected) | |
| 171 | - return; | |
| 172 | - | |
| 173 | - if(t->value) | |
| 174 | - update_selected_rectangle(session); | |
| 175 | - else | |
| 176 | - update_selected_region(session); | |
| 177 | -} | |
| 178 | - | |
| 179 | -LIB3270_EXPORT int lib3270_unselect(H3270 *hSession) | |
| 180 | -{ | |
| 181 | - int a; | |
| 182 | - | |
| 183 | - CHECK_SESSION_HANDLE(hSession); | |
| 184 | - | |
| 185 | - trace("%s",__FUNCTION__); | |
| 186 | - | |
| 187 | - if(hSession->selected) | |
| 188 | - { | |
| 189 | - hSession->selected = 0; | |
| 190 | - | |
| 191 | - for(a = 0; a < hSession->rows*hSession->cols; a++) | |
| 192 | - { | |
| 193 | - if(hSession->text[a].attr & LIB3270_ATTR_SELECTED) | |
| 194 | - { | |
| 195 | - hSession->text[a].attr &= ~LIB3270_ATTR_SELECTED; | |
| 196 | - if(hSession->cbk.update) | |
| 197 | - hSession->cbk.update(hSession,a,hSession->text[a].chr,hSession->text[a].attr,a == hSession->cursor_addr); | |
| 198 | - } | |
| 199 | - } | |
| 200 | - | |
| 201 | - hSession->cbk.set_selection(hSession,0); | |
| 202 | - hSession->cbk.update_selection(hSession,-1,-1); | |
| 203 | - } | |
| 204 | - | |
| 205 | - return 0; | |
| 206 | -} | |
| 207 | - | |
| 208 | -LIB3270_EXPORT void lib3270_select_to(H3270 *session, int baddr) | |
| 209 | -{ | |
| 210 | - int start, end; | |
| 211 | - | |
| 212 | - CHECK_SESSION_HANDLE(session); | |
| 213 | - | |
| 214 | - if(!lib3270_connected(session)) | |
| 215 | - return; | |
| 216 | - | |
| 217 | - start = session->selected ? session->select.start : session->cursor_addr; | |
| 218 | - | |
| 219 | - cursor_move(session,end = baddr); | |
| 220 | - | |
| 221 | - do_select(session,start,end,lib3270_get_toggle(session,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 222 | - | |
| 223 | -} | |
| 224 | - | |
| 225 | -LIB3270_EXPORT int lib3270_select_region(H3270 *h, int start, int end) | |
| 226 | -{ | |
| 227 | - int maxlen; | |
| 228 | - | |
| 229 | - CHECK_SESSION_HANDLE(h); | |
| 230 | - | |
| 231 | - if(!lib3270_connected(h)) | |
| 232 | - return ENOTCONN; | |
| 233 | - | |
| 234 | - maxlen = (h->rows * h->cols); | |
| 235 | - | |
| 236 | - // Check bounds | |
| 237 | - if(start < 0 || start > maxlen || end < 0 || end > maxlen || start > end) | |
| 238 | - return EINVAL; | |
| 239 | - | |
| 240 | - do_select(h,start,end,lib3270_get_toggle(h,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 241 | - cursor_move(h,h->select.end); | |
| 242 | - | |
| 243 | - return 0; | |
| 244 | -} | |
| 245 | - | |
| 246 | -static void do_select(H3270 *h, int start, int end, int rect) | |
| 247 | -{ | |
| 248 | - if(start < 0 || end > (h->rows * h->cols)) | |
| 249 | - return; | |
| 250 | - | |
| 251 | - // Do we really need to change selection? | |
| 252 | - if(start == h->select.start && end == h->select.end && h->selected) | |
| 253 | - return; | |
| 254 | - | |
| 255 | - // Start address is inside the screen? | |
| 256 | - h->select.start = start; | |
| 257 | - h->select.end = end; | |
| 258 | - | |
| 259 | - if(rect) | |
| 260 | - { | |
| 261 | - h->rectsel = 1; | |
| 262 | - update_selected_rectangle(h); | |
| 263 | - } | |
| 264 | - else | |
| 265 | - { | |
| 266 | - h->rectsel = 0; | |
| 267 | - update_selected_region(h); | |
| 268 | - } | |
| 269 | - | |
| 270 | - if(!h->selected) | |
| 271 | - { | |
| 272 | - h->selected = 1; | |
| 273 | - h->cbk.set_selection(h,1); | |
| 274 | - } | |
| 275 | - | |
| 276 | - h->cbk.update_selection(h,start,end); | |
| 277 | - | |
| 278 | -} | |
| 279 | - | |
| 280 | -LIB3270_EXPORT unsigned char lib3270_get_selection_flags(H3270 *hSession, int baddr) | |
| 281 | -{ | |
| 282 | - int row,col; | |
| 283 | - unsigned char rc = 0; | |
| 284 | - | |
| 285 | - CHECK_SESSION_HANDLE(hSession); | |
| 286 | - | |
| 287 | - if(!(lib3270_connected(hSession) && (hSession->text[baddr].attr & LIB3270_ATTR_SELECTED))) | |
| 288 | - return rc; | |
| 289 | - | |
| 290 | - row = baddr / hSession->cols; | |
| 291 | - col = baddr % hSession->cols; | |
| 292 | - rc |= SELECTION_ACTIVE; | |
| 293 | - | |
| 294 | - if( (hSession->select.start % hSession->cols) == (hSession->select.end % hSession->cols) ) | |
| 295 | - { | |
| 296 | - rc |= SELECTION_SINGLE_COL; | |
| 297 | - } | |
| 298 | - else | |
| 299 | - { | |
| 300 | - if( (col == 0) || !(hSession->text[baddr-1].attr & LIB3270_ATTR_SELECTED) ) | |
| 301 | - rc |= SELECTION_LEFT; | |
| 302 | - | |
| 303 | - if( (col == hSession->cols) || !(hSession->text[baddr+1].attr & LIB3270_ATTR_SELECTED) ) | |
| 304 | - rc |= SELECTION_RIGHT; | |
| 305 | - } | |
| 306 | - | |
| 307 | - if( (hSession->select.start / hSession->cols) == (hSession->select.end / hSession->cols) ) | |
| 308 | - { | |
| 309 | - rc |= SELECTION_SINGLE_ROW; | |
| 310 | - } | |
| 311 | - else | |
| 312 | - { | |
| 313 | - if( (row == 0) || !(hSession->text[baddr-hSession->cols].attr & LIB3270_ATTR_SELECTED) ) | |
| 314 | - rc |= SELECTION_TOP; | |
| 315 | - | |
| 316 | - if( (row == hSession->rows) || !(hSession->text[baddr+hSession->cols].attr & LIB3270_ATTR_SELECTED) ) | |
| 317 | - rc |= SELECTION_BOTTOM; | |
| 318 | - } | |
| 319 | - | |
| 320 | - return rc; | |
| 321 | -} | |
| 322 | - | |
| 323 | -LIB3270_EXPORT int lib3270_select_word_at(H3270 *session, int baddr) | |
| 324 | -{ | |
| 325 | - int start, end; | |
| 326 | - | |
| 327 | - if(lib3270_get_word_bounds(session,baddr,&start,&end)) | |
| 328 | - return -1; | |
| 329 | - | |
| 330 | - trace("%s: baddr=%d start=%d end=%d",__FUNCTION__,baddr,start,end); | |
| 331 | - | |
| 332 | - do_select(session,start,end,0); | |
| 333 | - | |
| 334 | - return 0; | |
| 335 | -} | |
| 336 | - | |
| 337 | -LIB3270_EXPORT int lib3270_select_field_at(H3270 *session, int baddr) | |
| 338 | -{ | |
| 339 | - int start, end; | |
| 340 | - | |
| 341 | - if(lib3270_get_field_bounds(session,baddr,&start,&end)) | |
| 342 | - return -1; | |
| 343 | - | |
| 344 | - do_select(session,start,end,0); | |
| 345 | - | |
| 346 | - return 0; | |
| 347 | -} | |
| 348 | - | |
| 349 | -LIB3270_EXPORT int lib3270_select_field(H3270 *hSession) | |
| 350 | -{ | |
| 351 | - CHECK_SESSION_HANDLE(hSession); | |
| 352 | - lib3270_select_field_at(hSession,hSession->cursor_addr); | |
| 353 | - return 0; | |
| 354 | -} | |
| 355 | - | |
| 356 | -LIB3270_EXPORT int lib3270_select_all(H3270 * hSession) | |
| 357 | -{ | |
| 358 | - FAIL_IF_NOT_ONLINE(hSession); | |
| 359 | - | |
| 360 | - do_select(hSession,0,(hSession->rows*hSession->cols)-1,0); | |
| 361 | - | |
| 362 | - return 0; | |
| 363 | -} | |
| 364 | - | |
| 365 | -LIB3270_EXPORT int lib3270_reselect(H3270 *hSession) | |
| 366 | -{ | |
| 367 | - FAIL_IF_NOT_ONLINE(hSession); | |
| 368 | - | |
| 369 | - if(hSession->select.start == hSession->select.end || hSession->selected) | |
| 370 | - return 0; | |
| 371 | - | |
| 372 | - do_select(hSession, hSession->select.start,hSession->select.end,lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 373 | - | |
| 374 | - return 0; | |
| 375 | -} | |
| 376 | - | |
| 377 | -static char * get_text(H3270 *hSession,unsigned char all, unsigned char tok) | |
| 378 | -{ | |
| 379 | - int row, col, baddr; | |
| 380 | - char * ret; | |
| 381 | - size_t buflen = (hSession->rows * (hSession->cols+1))+1; | |
| 382 | - size_t sz = 0; | |
| 383 | - unsigned short attr = 0xFFFF; | |
| 384 | - | |
| 385 | - if(!(lib3270_connected(hSession) && hSession->text)) | |
| 386 | - { | |
| 387 | - errno = ENOTCONN; | |
| 388 | - return NULL; | |
| 389 | - } | |
| 390 | - | |
| 391 | - ret = lib3270_malloc(buflen); | |
| 392 | - | |
| 393 | - baddr = 0; | |
| 394 | - | |
| 395 | - for(row=0;row < hSession->rows;row++) | |
| 396 | - { | |
| 397 | - int cr = 0; | |
| 398 | - | |
| 399 | - for(col = 0; col < hSession->cols;col++) | |
| 400 | - { | |
| 401 | - if(all || hSession->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 402 | - { | |
| 403 | - if(tok && attr != hSession->text[baddr].attr) | |
| 404 | - { | |
| 405 | - attr = hSession->text[baddr].attr; | |
| 406 | - ret[sz++] = tok; | |
| 407 | - ret[sz++] = (attr & 0x0F); | |
| 408 | - ret[sz++] = ((attr & 0xF0) >> 4); | |
| 409 | - } | |
| 410 | - | |
| 411 | - cr++; | |
| 412 | - ret[sz++] = hSession->text[baddr].chr; | |
| 413 | - } | |
| 414 | - baddr++; | |
| 415 | - } | |
| 416 | - | |
| 417 | - if(cr) | |
| 418 | - ret[sz++] = '\n'; | |
| 419 | - | |
| 420 | - if((sz+10) > buflen) | |
| 421 | - { | |
| 422 | - buflen += 100; | |
| 423 | - ret = lib3270_realloc(ret,buflen); | |
| 424 | - } | |
| 425 | - } | |
| 426 | - | |
| 427 | - if(!sz) | |
| 428 | - { | |
| 429 | - lib3270_free(ret); | |
| 430 | - errno = ENOENT; | |
| 431 | - return NULL; | |
| 432 | - } | |
| 433 | - else if(sz > 1 && ret[sz-1] == '\n') // Remove ending \n | |
| 434 | - { | |
| 435 | - ret[sz-1] = 0; | |
| 436 | - } | |
| 437 | - | |
| 438 | - ret[sz++] = 0; | |
| 439 | - | |
| 440 | - if(sz != buflen) | |
| 441 | - ret = lib3270_realloc(ret,sz); | |
| 442 | - | |
| 443 | - return ret; | |
| 444 | -} | |
| 445 | - | |
| 446 | -LIB3270_EXPORT char * lib3270_get_region(H3270 *h, int start_pos, int end_pos, unsigned char all) | |
| 447 | -{ | |
| 448 | - char * text; | |
| 449 | - int maxlen; | |
| 450 | - int sz = 0; | |
| 451 | - int baddr; | |
| 452 | - | |
| 453 | - CHECK_SESSION_HANDLE(h); | |
| 454 | - | |
| 455 | - if(!lib3270_connected(h)) | |
| 456 | - return NULL; | |
| 457 | - | |
| 458 | - maxlen = h->rows * (h->cols+1); | |
| 459 | - | |
| 460 | - if(start_pos < 0 || start_pos > maxlen || end_pos < 0 || end_pos > maxlen || end_pos < start_pos) | |
| 461 | - return NULL; | |
| 462 | - | |
| 463 | - text = lib3270_malloc(maxlen); | |
| 464 | - | |
| 465 | - for(baddr=start_pos;baddr<end_pos;baddr++) | |
| 466 | - { | |
| 467 | - if(all || h->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 468 | - text[sz++] = (h->text[baddr].attr & LIB3270_ATTR_CG) ? ' ' : h->text[baddr].chr; | |
| 469 | - | |
| 470 | - if((baddr%h->cols) == 0 && sz > 0) | |
| 471 | - text[sz++] = '\n'; | |
| 472 | - } | |
| 473 | - text[sz++] = 0; | |
| 474 | - | |
| 475 | - return lib3270_realloc(text,sz); | |
| 476 | -} | |
| 477 | - | |
| 478 | -LIB3270_EXPORT char * lib3270_get_string_at_address(H3270 *h, int offset, int len, char lf) | |
| 479 | -{ | |
| 480 | - char * buffer; | |
| 481 | - int maxlen; | |
| 482 | - char * ptr; | |
| 483 | - | |
| 484 | - CHECK_SESSION_HANDLE(h); | |
| 485 | - | |
| 486 | - if(!lib3270_connected(h)) | |
| 487 | - { | |
| 488 | - errno = ENOTCONN; | |
| 489 | - return NULL; | |
| 490 | - } | |
| 491 | - | |
| 492 | - maxlen = (h->rows * (h->cols+1)) - offset; | |
| 493 | - if(maxlen <= 0 || offset < 0) | |
| 494 | - { | |
| 495 | - errno = EINVAL; | |
| 496 | - return NULL; | |
| 497 | - } | |
| 498 | - | |
| 499 | - if(len < 0 || len > maxlen) | |
| 500 | - len = maxlen; | |
| 501 | - | |
| 502 | - buffer = lib3270_malloc(len+1); | |
| 503 | - ptr = buffer; | |
| 504 | - | |
| 505 | -// trace("len=%d buffer=%p",len,buffer); | |
| 506 | - | |
| 507 | - while(len > 0) | |
| 508 | - { | |
| 509 | - if(h->text[offset].attr & LIB3270_ATTR_CG) | |
| 510 | - *ptr = ' '; | |
| 511 | - else if(h->text[offset].chr) | |
| 512 | - *ptr = h->text[offset].chr; | |
| 513 | - else | |
| 514 | - *ptr = ' '; | |
| 515 | - | |
| 516 | - ptr++; | |
| 517 | - offset++; | |
| 518 | - len--; | |
| 519 | - | |
| 520 | - if(lf && (offset%h->cols) == 0 && len > 0) | |
| 521 | - { | |
| 522 | - *(ptr++) = lf; | |
| 523 | - len--; | |
| 524 | - } | |
| 525 | - } | |
| 526 | -// trace("len=%d buffer=%p pos=%d",len,buffer,ptr-buffer); | |
| 527 | - | |
| 528 | - *ptr = 0; | |
| 529 | - | |
| 530 | - return buffer; | |
| 531 | -} | |
| 532 | - | |
| 533 | -LIB3270_EXPORT char * lib3270_get_string_at(H3270 *h, int row, int col, int len, char lf) | |
| 534 | -{ | |
| 535 | - CHECK_SESSION_HANDLE(h); | |
| 536 | - return lib3270_get_string_at_address(h, ((row-1) * h->cols) + (col-1), len, lf); | |
| 537 | -} | |
| 538 | - | |
| 539 | -LIB3270_EXPORT int lib3270_cmp_text_at(H3270 *h, int row, int col, const char *text, char lf) | |
| 540 | -{ | |
| 541 | - int rc; | |
| 542 | - size_t sz = strlen(text); | |
| 543 | - char * contents; | |
| 544 | - | |
| 545 | - contents = lib3270_get_string_at(h,row,col,sz,lf); | |
| 546 | - if(!contents) | |
| 547 | - return -1; | |
| 548 | - | |
| 549 | - rc = strncmp(contents,text,sz); | |
| 550 | - | |
| 551 | - lib3270_free(contents); | |
| 552 | - | |
| 553 | - return rc; | |
| 554 | -} | |
| 555 | - | |
| 556 | - | |
| 557 | -/** | |
| 558 | - * Get field contents | |
| 559 | - * | |
| 560 | - * @param session Session handle | |
| 561 | - * @param baddr Field addr | |
| 562 | - * | |
| 563 | - * @return String with the field contents (release it with lib3270_free() | |
| 564 | - */ | |
| 565 | -LIB3270_EXPORT char * lib3270_get_field_text_at(H3270 *session, int baddr) | |
| 566 | -{ | |
| 567 | - int first = lib3270_field_addr(session,baddr); | |
| 568 | - | |
| 569 | - if(first < 0) | |
| 570 | - return NULL; | |
| 571 | - | |
| 572 | - return lib3270_get_string_at_address(session,first,lib3270_field_length(session,first)+1,0); | |
| 573 | -} | |
| 574 | - | |
| 575 | -LIB3270_EXPORT int lib3270_has_selection(H3270 *hSession) | |
| 576 | -{ | |
| 577 | - CHECK_SESSION_HANDLE(hSession); | |
| 578 | - return hSession->selected != 0; | |
| 579 | -} | |
| 580 | - | |
| 581 | -LIB3270_EXPORT char * lib3270_get_selected(H3270 *hSession) | |
| 582 | -{ | |
| 583 | - CHECK_SESSION_HANDLE(hSession); | |
| 584 | - | |
| 585 | - if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 586 | - return NULL; | |
| 587 | - | |
| 588 | - if(!lib3270_connected(hSession)) | |
| 589 | - return NULL; | |
| 590 | - | |
| 591 | - | |
| 592 | - return get_text(hSession,0,0); | |
| 593 | -} | |
| 594 | - | |
| 595 | -static void copy_chr(H3270 *hSession, int from, int to) | |
| 596 | -{ | |
| 597 | - if(hSession->text[from].chr == hSession->text[to].chr) | |
| 598 | - return; | |
| 599 | - | |
| 600 | - hSession->text[to].chr = hSession->text[from].chr; | |
| 601 | - | |
| 602 | - memcpy(&hSession->ea_buf[to], &hSession->ea_buf[from],sizeof(struct lib3270_ea)); | |
| 603 | - hSession->ea_buf[from].fa = 0; | |
| 604 | - | |
| 605 | - hSession->cbk.update( hSession, | |
| 606 | - to, | |
| 607 | - hSession->text[to].chr, | |
| 608 | - hSession->text[to].attr, | |
| 609 | - to == hSession->cursor_addr ); | |
| 610 | -} | |
| 611 | - | |
| 612 | -static void clear_chr(H3270 *hSession, int baddr) | |
| 613 | -{ | |
| 614 | - hSession->text[baddr].chr = ' '; | |
| 615 | - | |
| 616 | - hSession->ea_buf[baddr].cc = EBC_null; | |
| 617 | - hSession->ea_buf[baddr].cs = 0; | |
| 618 | - | |
| 619 | - hSession->cbk.update( hSession, | |
| 620 | - baddr, | |
| 621 | - hSession->text[baddr].chr, | |
| 622 | - hSession->text[baddr].attr, | |
| 623 | - baddr == hSession->cursor_addr ); | |
| 624 | -} | |
| 625 | - | |
| 626 | -int cut_addr(H3270 *hSession, int daddr, int saddr, int maxlen, int *sattr) | |
| 627 | -{ | |
| 628 | - if(hSession->ea_buf[saddr].fa) | |
| 629 | - *sattr = hSession->ea_buf[saddr++].fa; | |
| 630 | - | |
| 631 | - if(FA_IS_PROTECTED(*sattr) || saddr >= maxlen) | |
| 632 | - clear_chr(hSession,daddr); | |
| 633 | - else | |
| 634 | - copy_chr(hSession,saddr++,daddr); | |
| 635 | - | |
| 636 | - return saddr; | |
| 637 | -} | |
| 638 | - | |
| 639 | -char * cut_text(H3270 *hSession, char tok) | |
| 640 | -{ | |
| 641 | - unsigned short attr = 0xFFFF; | |
| 642 | - | |
| 643 | - CHECK_SESSION_HANDLE(hSession); | |
| 644 | - | |
| 645 | - if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 646 | - return NULL; | |
| 647 | - | |
| 648 | - if(!(lib3270_connected(hSession) && hSession->text)) | |
| 649 | - return NULL; | |
| 650 | - | |
| 651 | - trace("Rectangle select is %s",lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT) ? "Active" : "Inactive"); | |
| 652 | - | |
| 653 | - if(lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT)) | |
| 654 | - { | |
| 655 | - // Rectangle cut is not implemented | |
| 656 | - lib3270_popup_dialog(hSession, LIB3270_NOTIFY_INFO, _( "Not available" ), _( "Invalid cut action" ), "%s", _( "Can't cut rectangular regions") ); | |
| 657 | - } | |
| 658 | - else | |
| 659 | - { | |
| 660 | - int end; | |
| 661 | - size_t szText; | |
| 662 | - size_t buflen; | |
| 663 | - size_t bufpos = 0; | |
| 664 | - int daddr; /* Destination addr */ | |
| 665 | - int dattr; /* Destination addr attribute */ | |
| 666 | - int saddr; /* Source addr (First field after the selected area) */ | |
| 667 | - int sattr; /* Source addr attribute */ | |
| 668 | - char *text; | |
| 669 | - size_t maxlen = hSession->rows * hSession->cols; | |
| 670 | - size_t f; | |
| 671 | - | |
| 672 | - get_selected_addr(hSession,&daddr,&end); | |
| 673 | - | |
| 674 | - lib3270_set_cursor_address(hSession,daddr); | |
| 675 | - | |
| 676 | - if(daddr >= end) | |
| 677 | - return NULL; | |
| 678 | - | |
| 679 | - dattr = lib3270_field_attribute(hSession,daddr); /* Get first attribute */ | |
| 680 | - | |
| 681 | - szText = (end-daddr)+1; | |
| 682 | - buflen = szText; | |
| 683 | - bufpos = 0; | |
| 684 | - | |
| 685 | - text = lib3270_malloc(buflen+1); | |
| 686 | - | |
| 687 | - saddr = daddr+szText; | |
| 688 | - sattr = lib3270_field_attribute(hSession,saddr); | |
| 689 | - | |
| 690 | - for(f=0;f<szText;f++) | |
| 691 | - { | |
| 692 | - if(hSession->ea_buf[daddr].fa) | |
| 693 | - dattr = hSession->ea_buf[daddr].fa; | |
| 694 | - | |
| 695 | - if((bufpos+10) > buflen) | |
| 696 | - { | |
| 697 | - buflen += 100; | |
| 698 | - text = lib3270_realloc(text,buflen); | |
| 699 | - } | |
| 700 | - | |
| 701 | - if(tok && attr != hSession->text[daddr].attr) | |
| 702 | - { | |
| 703 | - attr = hSession->text[daddr].attr; | |
| 704 | - text[bufpos++] = tok; | |
| 705 | - text[bufpos++] = (attr & 0x0F); | |
| 706 | - text[bufpos++] = ((attr & 0xF0) >> 4); | |
| 707 | - } | |
| 708 | - | |
| 709 | - text[bufpos++] = hSession->text[daddr].chr; | |
| 710 | - | |
| 711 | - if(!FA_IS_PROTECTED(dattr)) | |
| 712 | - saddr = cut_addr(hSession,daddr,saddr,maxlen,&sattr); | |
| 713 | - | |
| 714 | - daddr++; | |
| 715 | - } | |
| 716 | - | |
| 717 | - text[bufpos++] = 0; | |
| 718 | - text = lib3270_realloc(text,bufpos); | |
| 719 | - | |
| 720 | - // Move contents of the current field | |
| 721 | - while(daddr < (int) (maxlen-1) && !hSession->ea_buf[daddr].fa) | |
| 722 | - { | |
| 723 | - saddr = cut_addr(hSession,daddr,saddr,maxlen,&sattr); | |
| 724 | - daddr++; | |
| 725 | - } | |
| 726 | - | |
| 727 | - if(!hSession->ea_buf[daddr].fa) | |
| 728 | - clear_chr(hSession,daddr); | |
| 729 | - | |
| 730 | - hSession->cbk.changed(hSession,0,maxlen); | |
| 731 | - | |
| 732 | - lib3270_unselect(hSession); | |
| 733 | - return text; | |
| 734 | - } | |
| 735 | - | |
| 736 | - return NULL; | |
| 737 | -} | |
| 738 | - | |
| 739 | -LIB3270_EXPORT char * lib3270_cut_selected(H3270 *hSession) | |
| 740 | -{ | |
| 741 | - return cut_text(hSession,0); | |
| 742 | -} | |
| 743 | - | |
| 744 | -LIB3270_EXPORT int lib3270_get_selection_bounds(H3270 *hSession, int *start, int *end) | |
| 745 | -{ | |
| 746 | - int first, last; | |
| 747 | - | |
| 748 | - CHECK_SESSION_HANDLE(hSession); | |
| 749 | - | |
| 750 | - if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 751 | - return 0; | |
| 752 | - | |
| 753 | - if(hSession->select.end > hSession->select.start) | |
| 754 | - { | |
| 755 | - first = hSession->select.start; | |
| 756 | - last = hSession->select.end; | |
| 757 | - } | |
| 758 | - else | |
| 759 | - { | |
| 760 | - first = hSession->select.end; | |
| 761 | - last = hSession->select.start; | |
| 762 | - } | |
| 763 | - | |
| 764 | - if(start) | |
| 765 | - *start = first; | |
| 766 | - | |
| 767 | - if(end) | |
| 768 | - *end = last; | |
| 769 | - | |
| 770 | - return 1; | |
| 771 | -} | |
| 772 | - | |
| 773 | -LIB3270_EXPORT int lib3270_move_selected_area(H3270 *hSession, int from, int to) | |
| 774 | -{ | |
| 775 | - int pos[2]; | |
| 776 | - int rows, cols, f, step; | |
| 777 | - | |
| 778 | - if(from == to) | |
| 779 | - return from; | |
| 780 | - | |
| 781 | - if(!lib3270_get_selection_bounds(hSession,&pos[0],&pos[1])) | |
| 782 | - return from; | |
| 783 | - | |
| 784 | - rows = (to / hSession->cols) - (from / hSession->cols); | |
| 785 | - cols = (to % hSession->cols) - (from % hSession->cols); | |
| 786 | - | |
| 787 | - for(f=0;f<2;f++) | |
| 788 | - { | |
| 789 | - int row = (pos[f] / hSession->cols) + rows; | |
| 790 | - int col = (pos[f] % hSession->cols) + cols; | |
| 791 | - | |
| 792 | - if(row < 0) | |
| 793 | - rows = - (pos[f] / hSession->cols); | |
| 794 | - | |
| 795 | - if(col < 0) | |
| 796 | - cols = - (pos[f] % hSession->cols); | |
| 797 | - | |
| 798 | - if(row >= (hSession->rows)) | |
| 799 | - rows = hSession->rows - ((pos[f] / hSession->cols)+1); | |
| 800 | - | |
| 801 | - if(col >= hSession->cols) | |
| 802 | - cols = hSession->cols - ((pos[f] % hSession->cols)+1); | |
| 803 | - } | |
| 804 | - | |
| 805 | - step = (rows * hSession->cols) + cols; | |
| 806 | - | |
| 807 | - do_select(hSession,hSession->select.start + step,hSession->select.end + step,hSession->rectsel); | |
| 808 | - cursor_move(hSession,hSession->select.end); | |
| 809 | - | |
| 810 | - return from+step; | |
| 811 | -} | |
| 812 | - | |
| 813 | -LIB3270_EXPORT int lib3270_drag_selection(H3270 *h, unsigned char flag, int origin, int baddr) | |
| 814 | -{ | |
| 815 | - int first, last, row, col; | |
| 816 | - | |
| 817 | - if(!lib3270_get_selection_bounds(h,&first,&last)) | |
| 818 | - return origin; | |
| 819 | - | |
| 820 | -/* | |
| 821 | - trace("%s: flag=%04x %s %s %s %s",__FUNCTION__, | |
| 822 | - flag, | |
| 823 | - flag & SELECTION_LEFT ? "Left" : "-", | |
| 824 | - flag & SELECTION_TOP ? "Top" : "-", | |
| 825 | - flag & SELECTION_RIGHT ? "Right" : "-", | |
| 826 | - flag & SELECTION_BOTTOM ? "Bottom" : "-" | |
| 827 | - ); | |
| 828 | -*/ | |
| 829 | - | |
| 830 | - if(!flag) | |
| 831 | - return origin; | |
| 832 | - else if((flag&0x8F) == SELECTION_ACTIVE) | |
| 833 | - return lib3270_move_selected_area(h,origin,baddr); | |
| 834 | - | |
| 835 | - row = baddr/h->cols; | |
| 836 | - col = baddr%h->cols; | |
| 837 | - | |
| 838 | - if(flag & SELECTION_LEFT) // Update left margin | |
| 839 | - origin = first = ((first/h->cols)*h->cols) + col; | |
| 840 | - | |
| 841 | - if(flag & SELECTION_TOP) // Update top margin | |
| 842 | - origin = first = (row*h->cols) + (first%h->cols); | |
| 843 | - | |
| 844 | - if(flag & SELECTION_RIGHT) // Update right margin | |
| 845 | - origin = last = ((last/h->cols)*h->cols) + col; | |
| 846 | - | |
| 847 | - if(flag & SELECTION_BOTTOM) // Update bottom margin | |
| 848 | - origin = last = (row*h->cols) + (last%h->cols); | |
| 849 | - | |
| 850 | - trace("origin=%d first=%d last=%d",origin,first,last); | |
| 851 | - | |
| 852 | - if(first < last) | |
| 853 | - do_select(h,first,last,h->rectsel); | |
| 854 | - else | |
| 855 | - do_select(h,last,first,h->rectsel); | |
| 856 | - | |
| 857 | - cursor_move(h,h->select.end); | |
| 858 | - | |
| 859 | - return origin; | |
| 860 | -} | |
| 861 | - | |
| 862 | - | |
| 863 | -LIB3270_EXPORT int lib3270_move_selection(H3270 *hSession, LIB3270_DIRECTION dir) | |
| 864 | -{ | |
| 865 | - int start, end; | |
| 866 | - | |
| 867 | - if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 868 | - return ENOENT; | |
| 869 | - | |
| 870 | - start = hSession->select.start; | |
| 871 | - end = hSession->select.end; | |
| 872 | - | |
| 873 | - switch(dir) | |
| 874 | - { | |
| 875 | - case LIB3270_DIR_UP: | |
| 876 | - if(start <= hSession->cols) | |
| 877 | - return EINVAL; | |
| 878 | - start -= hSession->cols; | |
| 879 | - end -= hSession->cols; | |
| 880 | - break; | |
| 881 | - | |
| 882 | - case LIB3270_DIR_DOWN: | |
| 883 | - if(end >= (hSession->cols * (hSession->rows-1))) | |
| 884 | - return EINVAL; | |
| 885 | - start += hSession->cols; | |
| 886 | - end += hSession->cols; | |
| 887 | - break; | |
| 888 | - | |
| 889 | - case LIB3270_DIR_LEFT: | |
| 890 | - if( (start % hSession->cols) < 1) | |
| 891 | - return EINVAL; | |
| 892 | - start--; | |
| 893 | - end--; | |
| 894 | - break; | |
| 895 | - | |
| 896 | - case LIB3270_DIR_RIGHT: | |
| 897 | - if( (end % hSession->cols) >= (hSession->cols-1)) | |
| 898 | - return EINVAL; | |
| 899 | - start++; | |
| 900 | - end++; | |
| 901 | - break; | |
| 902 | - | |
| 903 | - default: | |
| 904 | - return -1; | |
| 905 | - } | |
| 906 | - | |
| 907 | - do_select(hSession,start,end,hSession->rectsel); | |
| 908 | - cursor_move(hSession,hSession->select.end); | |
| 909 | - | |
| 910 | - return 0; | |
| 911 | -} | |
| 912 | - |
| ... | ... | @@ -0,0 +1,328 @@ |
| 1 | +/* | |
| 2 | + * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270 | |
| 3 | + * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a | |
| 4 | + * aplicativos mainframe. Registro no INPI sob o nome G3270. | |
| 5 | + * | |
| 6 | + * Copyright (C) <2008> <Banco do Brasil S.A.> | |
| 7 | + * | |
| 8 | + * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob | |
| 9 | + * os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela | |
| 10 | + * Free Software Foundation. | |
| 11 | + * | |
| 12 | + * Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER | |
| 13 | + * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO | |
| 14 | + * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para | |
| 15 | + * obter mais detalhes. | |
| 16 | + * | |
| 17 | + * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este | |
| 18 | + * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin | |
| 19 | + * St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | + * | |
| 21 | + * Este programa está nomeado como selection.c e possui - linhas de código. | |
| 22 | + * | |
| 23 | + * Contatos: | |
| 24 | + * | |
| 25 | + * perry.werneck@gmail.com (Alexandre Perry de Souza Werneck) | |
| 26 | + * erico.mendonca@gmail.com (Erico Mascarenhas Mendonça) | |
| 27 | + * | |
| 28 | + */ | |
| 29 | + | |
| 30 | + #include "../private.h" | |
| 31 | + #include <lib3270.h> | |
| 32 | + #include <lib3270/actions.h> | |
| 33 | + #include <lib3270/session.h> | |
| 34 | + #include <lib3270/selection.h> | |
| 35 | + #include "3270ds.h" | |
| 36 | + | |
| 37 | +/*--[ Implement ]------------------------------------------------------------------------------------*/ | |
| 38 | + | |
| 39 | +LIB3270_EXPORT int lib3270_unselect(H3270 *hSession) | |
| 40 | +{ | |
| 41 | + int a; | |
| 42 | + | |
| 43 | + CHECK_SESSION_HANDLE(hSession); | |
| 44 | + | |
| 45 | + trace("%s",__FUNCTION__); | |
| 46 | + | |
| 47 | + if(hSession->selected) | |
| 48 | + { | |
| 49 | + hSession->selected = 0; | |
| 50 | + | |
| 51 | + for(a = 0; a < hSession->rows*hSession->cols; a++) | |
| 52 | + { | |
| 53 | + if(hSession->text[a].attr & LIB3270_ATTR_SELECTED) | |
| 54 | + { | |
| 55 | + hSession->text[a].attr &= ~LIB3270_ATTR_SELECTED; | |
| 56 | + if(hSession->cbk.update) | |
| 57 | + hSession->cbk.update(hSession,a,hSession->text[a].chr,hSession->text[a].attr,a == hSession->cursor_addr); | |
| 58 | + } | |
| 59 | + } | |
| 60 | + | |
| 61 | + hSession->cbk.set_selection(hSession,0); | |
| 62 | + hSession->cbk.update_selection(hSession,-1,-1); | |
| 63 | + } | |
| 64 | + | |
| 65 | + return 0; | |
| 66 | +} | |
| 67 | + | |
| 68 | +LIB3270_EXPORT void lib3270_select_to(H3270 *session, int baddr) | |
| 69 | +{ | |
| 70 | + int start, end; | |
| 71 | + | |
| 72 | + CHECK_SESSION_HANDLE(session); | |
| 73 | + | |
| 74 | + if(!lib3270_connected(session)) | |
| 75 | + return; | |
| 76 | + | |
| 77 | + start = session->selected ? session->select.start : session->cursor_addr; | |
| 78 | + | |
| 79 | + cursor_move(session,end = baddr); | |
| 80 | + | |
| 81 | + do_select(session,start,end,lib3270_get_toggle(session,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 82 | + | |
| 83 | +} | |
| 84 | + | |
| 85 | +LIB3270_EXPORT int lib3270_select_region(H3270 *h, int start, int end) | |
| 86 | +{ | |
| 87 | + int maxlen; | |
| 88 | + | |
| 89 | + CHECK_SESSION_HANDLE(h); | |
| 90 | + | |
| 91 | + if(!lib3270_connected(h)) | |
| 92 | + return ENOTCONN; | |
| 93 | + | |
| 94 | + maxlen = (h->rows * h->cols); | |
| 95 | + | |
| 96 | + // Check bounds | |
| 97 | + if(start < 0 || start > maxlen || end < 0 || end > maxlen || start > end) | |
| 98 | + return EINVAL; | |
| 99 | + | |
| 100 | + do_select(h,start,end,lib3270_get_toggle(h,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 101 | + cursor_move(h,h->select.end); | |
| 102 | + | |
| 103 | + return 0; | |
| 104 | +} | |
| 105 | + | |
| 106 | +LIB3270_EXPORT int lib3270_select_word_at(H3270 *session, int baddr) | |
| 107 | +{ | |
| 108 | + int start, end; | |
| 109 | + | |
| 110 | + if(lib3270_get_word_bounds(session,baddr,&start,&end)) | |
| 111 | + return -1; | |
| 112 | + | |
| 113 | + trace("%s: baddr=%d start=%d end=%d",__FUNCTION__,baddr,start,end); | |
| 114 | + | |
| 115 | + do_select(session,start,end,0); | |
| 116 | + | |
| 117 | + return 0; | |
| 118 | +} | |
| 119 | + | |
| 120 | +LIB3270_EXPORT int lib3270_select_field_at(H3270 *session, int baddr) | |
| 121 | +{ | |
| 122 | + int start, end; | |
| 123 | + | |
| 124 | + if(lib3270_get_field_bounds(session,baddr,&start,&end)) | |
| 125 | + return -1; | |
| 126 | + | |
| 127 | + do_select(session,start,end,0); | |
| 128 | + | |
| 129 | + return 0; | |
| 130 | +} | |
| 131 | + | |
| 132 | +LIB3270_EXPORT int lib3270_select_field(H3270 *hSession) | |
| 133 | +{ | |
| 134 | + CHECK_SESSION_HANDLE(hSession); | |
| 135 | + lib3270_select_field_at(hSession,hSession->cursor_addr); | |
| 136 | + return 0; | |
| 137 | +} | |
| 138 | + | |
| 139 | +LIB3270_EXPORT int lib3270_select_all(H3270 * hSession) | |
| 140 | +{ | |
| 141 | + FAIL_IF_NOT_ONLINE(hSession); | |
| 142 | + | |
| 143 | + do_select(hSession,0,(hSession->rows*hSession->cols)-1,0); | |
| 144 | + | |
| 145 | + return 0; | |
| 146 | +} | |
| 147 | + | |
| 148 | +LIB3270_EXPORT int lib3270_reselect(H3270 *hSession) | |
| 149 | +{ | |
| 150 | + FAIL_IF_NOT_ONLINE(hSession); | |
| 151 | + | |
| 152 | + if(hSession->select.start == hSession->select.end || hSession->selected) | |
| 153 | + return 0; | |
| 154 | + | |
| 155 | + do_select(hSession, hSession->select.start,hSession->select.end,lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT)); | |
| 156 | + | |
| 157 | + return 0; | |
| 158 | +} | |
| 159 | + | |
| 160 | +LIB3270_EXPORT int lib3270_get_selection_bounds(H3270 *hSession, int *start, int *end) | |
| 161 | +{ | |
| 162 | + int first, last; | |
| 163 | + | |
| 164 | + CHECK_SESSION_HANDLE(hSession); | |
| 165 | + | |
| 166 | + if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 167 | + return 0; | |
| 168 | + | |
| 169 | + if(hSession->select.end > hSession->select.start) | |
| 170 | + { | |
| 171 | + first = hSession->select.start; | |
| 172 | + last = hSession->select.end; | |
| 173 | + } | |
| 174 | + else | |
| 175 | + { | |
| 176 | + first = hSession->select.end; | |
| 177 | + last = hSession->select.start; | |
| 178 | + } | |
| 179 | + | |
| 180 | + if(start) | |
| 181 | + *start = first; | |
| 182 | + | |
| 183 | + if(end) | |
| 184 | + *end = last; | |
| 185 | + | |
| 186 | + return 1; | |
| 187 | +} | |
| 188 | + | |
| 189 | +LIB3270_EXPORT int lib3270_move_selected_area(H3270 *hSession, int from, int to) | |
| 190 | +{ | |
| 191 | + int pos[2]; | |
| 192 | + int rows, cols, f, step; | |
| 193 | + | |
| 194 | + if(from == to) | |
| 195 | + return from; | |
| 196 | + | |
| 197 | + if(!lib3270_get_selection_bounds(hSession,&pos[0],&pos[1])) | |
| 198 | + return from; | |
| 199 | + | |
| 200 | + rows = (to / hSession->cols) - (from / hSession->cols); | |
| 201 | + cols = (to % hSession->cols) - (from % hSession->cols); | |
| 202 | + | |
| 203 | + for(f=0;f<2;f++) | |
| 204 | + { | |
| 205 | + int row = (pos[f] / hSession->cols) + rows; | |
| 206 | + int col = (pos[f] % hSession->cols) + cols; | |
| 207 | + | |
| 208 | + if(row < 0) | |
| 209 | + rows = - (pos[f] / hSession->cols); | |
| 210 | + | |
| 211 | + if(col < 0) | |
| 212 | + cols = - (pos[f] % hSession->cols); | |
| 213 | + | |
| 214 | + if(row >= (hSession->rows)) | |
| 215 | + rows = hSession->rows - ((pos[f] / hSession->cols)+1); | |
| 216 | + | |
| 217 | + if(col >= hSession->cols) | |
| 218 | + cols = hSession->cols - ((pos[f] % hSession->cols)+1); | |
| 219 | + } | |
| 220 | + | |
| 221 | + step = (rows * hSession->cols) + cols; | |
| 222 | + | |
| 223 | + do_select(hSession,hSession->select.start + step,hSession->select.end + step,hSession->rectsel); | |
| 224 | + cursor_move(hSession,hSession->select.end); | |
| 225 | + | |
| 226 | + return from+step; | |
| 227 | +} | |
| 228 | + | |
| 229 | +LIB3270_EXPORT int lib3270_drag_selection(H3270 *h, unsigned char flag, int origin, int baddr) | |
| 230 | +{ | |
| 231 | + int first, last, row, col; | |
| 232 | + | |
| 233 | + if(!lib3270_get_selection_bounds(h,&first,&last)) | |
| 234 | + return origin; | |
| 235 | + | |
| 236 | +/* | |
| 237 | + trace("%s: flag=%04x %s %s %s %s",__FUNCTION__, | |
| 238 | + flag, | |
| 239 | + flag & SELECTION_LEFT ? "Left" : "-", | |
| 240 | + flag & SELECTION_TOP ? "Top" : "-", | |
| 241 | + flag & SELECTION_RIGHT ? "Right" : "-", | |
| 242 | + flag & SELECTION_BOTTOM ? "Bottom" : "-" | |
| 243 | + ); | |
| 244 | +*/ | |
| 245 | + | |
| 246 | + if(!flag) | |
| 247 | + return origin; | |
| 248 | + else if((flag&0x8F) == SELECTION_ACTIVE) | |
| 249 | + return lib3270_move_selected_area(h,origin,baddr); | |
| 250 | + | |
| 251 | + row = baddr/h->cols; | |
| 252 | + col = baddr%h->cols; | |
| 253 | + | |
| 254 | + if(flag & SELECTION_LEFT) // Update left margin | |
| 255 | + origin = first = ((first/h->cols)*h->cols) + col; | |
| 256 | + | |
| 257 | + if(flag & SELECTION_TOP) // Update top margin | |
| 258 | + origin = first = (row*h->cols) + (first%h->cols); | |
| 259 | + | |
| 260 | + if(flag & SELECTION_RIGHT) // Update right margin | |
| 261 | + origin = last = ((last/h->cols)*h->cols) + col; | |
| 262 | + | |
| 263 | + if(flag & SELECTION_BOTTOM) // Update bottom margin | |
| 264 | + origin = last = (row*h->cols) + (last%h->cols); | |
| 265 | + | |
| 266 | + trace("origin=%d first=%d last=%d",origin,first,last); | |
| 267 | + | |
| 268 | + if(first < last) | |
| 269 | + do_select(h,first,last,h->rectsel); | |
| 270 | + else | |
| 271 | + do_select(h,last,first,h->rectsel); | |
| 272 | + | |
| 273 | + cursor_move(h,h->select.end); | |
| 274 | + | |
| 275 | + return origin; | |
| 276 | +} | |
| 277 | + | |
| 278 | +LIB3270_EXPORT int lib3270_move_selection(H3270 *hSession, LIB3270_DIRECTION dir) | |
| 279 | +{ | |
| 280 | + int start, end; | |
| 281 | + | |
| 282 | + if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 283 | + return ENOENT; | |
| 284 | + | |
| 285 | + start = hSession->select.start; | |
| 286 | + end = hSession->select.end; | |
| 287 | + | |
| 288 | + switch(dir) | |
| 289 | + { | |
| 290 | + case LIB3270_DIR_UP: | |
| 291 | + if(start <= hSession->cols) | |
| 292 | + return EINVAL; | |
| 293 | + start -= hSession->cols; | |
| 294 | + end -= hSession->cols; | |
| 295 | + break; | |
| 296 | + | |
| 297 | + case LIB3270_DIR_DOWN: | |
| 298 | + if(end >= (hSession->cols * (hSession->rows-1))) | |
| 299 | + return EINVAL; | |
| 300 | + start += hSession->cols; | |
| 301 | + end += hSession->cols; | |
| 302 | + break; | |
| 303 | + | |
| 304 | + case LIB3270_DIR_LEFT: | |
| 305 | + if( (start % hSession->cols) < 1) | |
| 306 | + return EINVAL; | |
| 307 | + start--; | |
| 308 | + end--; | |
| 309 | + break; | |
| 310 | + | |
| 311 | + case LIB3270_DIR_RIGHT: | |
| 312 | + if( (end % hSession->cols) >= (hSession->cols-1)) | |
| 313 | + return EINVAL; | |
| 314 | + start++; | |
| 315 | + end++; | |
| 316 | + break; | |
| 317 | + | |
| 318 | + default: | |
| 319 | + return -1; | |
| 320 | + } | |
| 321 | + | |
| 322 | + do_select(hSession,start,end,hSession->rectsel); | |
| 323 | + cursor_move(hSession,hSession->select.end); | |
| 324 | + | |
| 325 | + return 0; | |
| 326 | +} | |
| 327 | + | |
| 328 | + | ... | ... |
| ... | ... | @@ -0,0 +1,610 @@ |
| 1 | +/* | |
| 2 | + * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270 | |
| 3 | + * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a | |
| 4 | + * aplicativos mainframe. Registro no INPI sob o nome G3270. | |
| 5 | + * | |
| 6 | + * Copyright (C) <2008> <Banco do Brasil S.A.> | |
| 7 | + * | |
| 8 | + * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob | |
| 9 | + * os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela | |
| 10 | + * Free Software Foundation. | |
| 11 | + * | |
| 12 | + * Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER | |
| 13 | + * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO | |
| 14 | + * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para | |
| 15 | + * obter mais detalhes. | |
| 16 | + * | |
| 17 | + * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este | |
| 18 | + * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin | |
| 19 | + * St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | + * | |
| 21 | + * Este programa está nomeado como selection.c e possui - linhas de código. | |
| 22 | + * | |
| 23 | + * Contatos: | |
| 24 | + * | |
| 25 | + * perry.werneck@gmail.com (Alexandre Perry de Souza Werneck) | |
| 26 | + * erico.mendonca@gmail.com (Erico Mascarenhas Mendonça) | |
| 27 | + * | |
| 28 | + */ | |
| 29 | + | |
| 30 | + #include "../private.h" | |
| 31 | + #include <lib3270.h> | |
| 32 | + #include <lib3270/actions.h> | |
| 33 | + #include <lib3270/session.h> | |
| 34 | + #include <lib3270/selection.h> | |
| 35 | + #include "3270ds.h" | |
| 36 | + | |
| 37 | + /*--[ Implement ]------------------------------------------------------------------------------------*/ | |
| 38 | + | |
| 39 | +static void get_selected_addr(H3270 *session, int *start, int *end) | |
| 40 | +{ | |
| 41 | + if(session->select.start > session->select.end) | |
| 42 | + { | |
| 43 | + *end = session->select.start; | |
| 44 | + *start = session->select.end; | |
| 45 | + } | |
| 46 | + else | |
| 47 | + { | |
| 48 | + *start = session->select.start; | |
| 49 | + *end = session->select.end; | |
| 50 | + } | |
| 51 | +} | |
| 52 | + | |
| 53 | +static void update_selected_rectangle(H3270 *session) | |
| 54 | +{ | |
| 55 | + struct | |
| 56 | + { | |
| 57 | + int row; | |
| 58 | + int col; | |
| 59 | + } p[2]; | |
| 60 | + | |
| 61 | + | |
| 62 | + int begin, end, row, col, baddr; | |
| 63 | + | |
| 64 | + get_selected_addr(session,&begin,&end); | |
| 65 | + | |
| 66 | + // Get start & end posision | |
| 67 | + p[0].row = (begin/session->cols); | |
| 68 | + p[0].col = (begin%session->cols); | |
| 69 | + p[1].row = (end/session->cols); | |
| 70 | + p[1].col = (end%session->cols); | |
| 71 | + | |
| 72 | + if(p[0].row > p[1].row) | |
| 73 | + { | |
| 74 | + int swp = p[0].row; | |
| 75 | + p[0].row = p[1].row; | |
| 76 | + p[1].row = swp; | |
| 77 | + } | |
| 78 | + | |
| 79 | + if(p[0].col > p[1].col) | |
| 80 | + { | |
| 81 | + int swp = p[0].col; | |
| 82 | + p[0].col = p[1].col; | |
| 83 | + p[1].col = swp; | |
| 84 | + } | |
| 85 | + | |
| 86 | + // First remove unselected areas | |
| 87 | + baddr = 0; | |
| 88 | + for(row=0;row < session->rows;row++) | |
| 89 | + { | |
| 90 | + for(col = 0; col < session->cols;col++) | |
| 91 | + { | |
| 92 | + if(!(row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && (session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 93 | + { | |
| 94 | + session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 95 | + session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 96 | + } | |
| 97 | + baddr++; | |
| 98 | + } | |
| 99 | + } | |
| 100 | + | |
| 101 | + // Then, draw selected ones | |
| 102 | + baddr = 0; | |
| 103 | + for(row=0;row < session->rows;row++) | |
| 104 | + { | |
| 105 | + for(col = 0; col < session->cols;col++) | |
| 106 | + { | |
| 107 | + if((row >= p[0].row && row <= p[1].row && col >= p[0].col && col <= p[1].col) && !(session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 108 | + { | |
| 109 | + session->text[baddr].attr |= LIB3270_ATTR_SELECTED; | |
| 110 | + session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 111 | + } | |
| 112 | + baddr++; | |
| 113 | + } | |
| 114 | + } | |
| 115 | + | |
| 116 | +} | |
| 117 | + | |
| 118 | +static void update_selected_region(H3270 *session) | |
| 119 | +{ | |
| 120 | + int baddr,begin,end; | |
| 121 | + int len = session->rows*session->cols; | |
| 122 | + | |
| 123 | + get_selected_addr(session,&begin,&end); | |
| 124 | + | |
| 125 | + // First remove unselected areas | |
| 126 | + for(baddr = 0; baddr < begin; baddr++) | |
| 127 | + { | |
| 128 | + if(session->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 129 | + { | |
| 130 | + session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 131 | + session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 132 | + } | |
| 133 | + } | |
| 134 | + | |
| 135 | + for(baddr = end+1; baddr < len; baddr++) | |
| 136 | + { | |
| 137 | + if(session->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 138 | + { | |
| 139 | + session->text[baddr].attr &= ~LIB3270_ATTR_SELECTED; | |
| 140 | + session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 141 | + } | |
| 142 | + } | |
| 143 | + | |
| 144 | + // Then draw the selected ones | |
| 145 | + for(baddr = begin; baddr <= end; baddr++) | |
| 146 | + { | |
| 147 | + if(!(session->text[baddr].attr & LIB3270_ATTR_SELECTED)) | |
| 148 | + { | |
| 149 | + session->text[baddr].attr |= LIB3270_ATTR_SELECTED; | |
| 150 | + session->cbk.update(session,baddr,session->text[baddr].chr,session->text[baddr].attr,baddr == session->cursor_addr); | |
| 151 | + } | |
| 152 | + } | |
| 153 | + | |
| 154 | +} | |
| 155 | + | |
| 156 | +void toggle_rectselect(H3270 *session, struct lib3270_toggle GNUC_UNUSED(*t), LIB3270_TOGGLE_TYPE GNUC_UNUSED(tt)) | |
| 157 | +{ | |
| 158 | + if(!session->selected) | |
| 159 | + return; | |
| 160 | + | |
| 161 | + if(t->value) | |
| 162 | + update_selected_rectangle(session); | |
| 163 | + else | |
| 164 | + update_selected_region(session); | |
| 165 | +} | |
| 166 | + | |
| 167 | +void do_select(H3270 *h, int start, int end, int rect) | |
| 168 | +{ | |
| 169 | + if(start < 0 || end > (h->rows * h->cols)) | |
| 170 | + return; | |
| 171 | + | |
| 172 | + // Do we really need to change selection? | |
| 173 | + if(start == h->select.start && end == h->select.end && h->selected) | |
| 174 | + return; | |
| 175 | + | |
| 176 | + // Start address is inside the screen? | |
| 177 | + h->select.start = start; | |
| 178 | + h->select.end = end; | |
| 179 | + | |
| 180 | + if(rect) | |
| 181 | + { | |
| 182 | + h->rectsel = 1; | |
| 183 | + update_selected_rectangle(h); | |
| 184 | + } | |
| 185 | + else | |
| 186 | + { | |
| 187 | + h->rectsel = 0; | |
| 188 | + update_selected_region(h); | |
| 189 | + } | |
| 190 | + | |
| 191 | + if(!h->selected) | |
| 192 | + { | |
| 193 | + h->selected = 1; | |
| 194 | + h->cbk.set_selection(h,1); | |
| 195 | + } | |
| 196 | + | |
| 197 | + h->cbk.update_selection(h,start,end); | |
| 198 | + | |
| 199 | +} | |
| 200 | + | |
| 201 | +LIB3270_EXPORT unsigned char lib3270_get_selection_flags(H3270 *hSession, int baddr) | |
| 202 | +{ | |
| 203 | + int row,col; | |
| 204 | + unsigned char rc = 0; | |
| 205 | + | |
| 206 | + CHECK_SESSION_HANDLE(hSession); | |
| 207 | + | |
| 208 | + if(!(lib3270_connected(hSession) && (hSession->text[baddr].attr & LIB3270_ATTR_SELECTED))) | |
| 209 | + return rc; | |
| 210 | + | |
| 211 | + row = baddr / hSession->cols; | |
| 212 | + col = baddr % hSession->cols; | |
| 213 | + rc |= SELECTION_ACTIVE; | |
| 214 | + | |
| 215 | + if( (hSession->select.start % hSession->cols) == (hSession->select.end % hSession->cols) ) | |
| 216 | + { | |
| 217 | + rc |= SELECTION_SINGLE_COL; | |
| 218 | + } | |
| 219 | + else | |
| 220 | + { | |
| 221 | + if( (col == 0) || !(hSession->text[baddr-1].attr & LIB3270_ATTR_SELECTED) ) | |
| 222 | + rc |= SELECTION_LEFT; | |
| 223 | + | |
| 224 | + if( (col == hSession->cols) || !(hSession->text[baddr+1].attr & LIB3270_ATTR_SELECTED) ) | |
| 225 | + rc |= SELECTION_RIGHT; | |
| 226 | + } | |
| 227 | + | |
| 228 | + if( (hSession->select.start / hSession->cols) == (hSession->select.end / hSession->cols) ) | |
| 229 | + { | |
| 230 | + rc |= SELECTION_SINGLE_ROW; | |
| 231 | + } | |
| 232 | + else | |
| 233 | + { | |
| 234 | + if( (row == 0) || !(hSession->text[baddr-hSession->cols].attr & LIB3270_ATTR_SELECTED) ) | |
| 235 | + rc |= SELECTION_TOP; | |
| 236 | + | |
| 237 | + if( (row == hSession->rows) || !(hSession->text[baddr+hSession->cols].attr & LIB3270_ATTR_SELECTED) ) | |
| 238 | + rc |= SELECTION_BOTTOM; | |
| 239 | + } | |
| 240 | + | |
| 241 | + return rc; | |
| 242 | +} | |
| 243 | + | |
| 244 | +static char * get_text(H3270 *hSession,unsigned char all, unsigned char tok) | |
| 245 | +{ | |
| 246 | + int row, col, baddr; | |
| 247 | + char * ret; | |
| 248 | + size_t buflen = (hSession->rows * (hSession->cols+1))+1; | |
| 249 | + size_t sz = 0; | |
| 250 | + unsigned short attr = 0xFFFF; | |
| 251 | + | |
| 252 | + if(!(lib3270_connected(hSession) && hSession->text)) | |
| 253 | + { | |
| 254 | + errno = ENOTCONN; | |
| 255 | + return NULL; | |
| 256 | + } | |
| 257 | + | |
| 258 | + ret = lib3270_malloc(buflen); | |
| 259 | + | |
| 260 | + baddr = 0; | |
| 261 | + | |
| 262 | + for(row=0;row < hSession->rows;row++) | |
| 263 | + { | |
| 264 | + int cr = 0; | |
| 265 | + | |
| 266 | + for(col = 0; col < hSession->cols;col++) | |
| 267 | + { | |
| 268 | + if(all || hSession->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 269 | + { | |
| 270 | + if(tok && attr != hSession->text[baddr].attr) | |
| 271 | + { | |
| 272 | + attr = hSession->text[baddr].attr; | |
| 273 | + ret[sz++] = tok; | |
| 274 | + ret[sz++] = (attr & 0x0F); | |
| 275 | + ret[sz++] = ((attr & 0xF0) >> 4); | |
| 276 | + } | |
| 277 | + | |
| 278 | + cr++; | |
| 279 | + ret[sz++] = hSession->text[baddr].chr; | |
| 280 | + } | |
| 281 | + baddr++; | |
| 282 | + } | |
| 283 | + | |
| 284 | + if(cr) | |
| 285 | + ret[sz++] = '\n'; | |
| 286 | + | |
| 287 | + if((sz+10) > buflen) | |
| 288 | + { | |
| 289 | + buflen += 100; | |
| 290 | + ret = lib3270_realloc(ret,buflen); | |
| 291 | + } | |
| 292 | + } | |
| 293 | + | |
| 294 | + if(!sz) | |
| 295 | + { | |
| 296 | + lib3270_free(ret); | |
| 297 | + errno = ENOENT; | |
| 298 | + return NULL; | |
| 299 | + } | |
| 300 | + else if(sz > 1 && ret[sz-1] == '\n') // Remove ending \n | |
| 301 | + { | |
| 302 | + ret[sz-1] = 0; | |
| 303 | + } | |
| 304 | + | |
| 305 | + ret[sz++] = 0; | |
| 306 | + | |
| 307 | + if(sz != buflen) | |
| 308 | + ret = lib3270_realloc(ret,sz); | |
| 309 | + | |
| 310 | + return ret; | |
| 311 | +} | |
| 312 | + | |
| 313 | +LIB3270_EXPORT char * lib3270_get_region(H3270 *h, int start_pos, int end_pos, unsigned char all) | |
| 314 | +{ | |
| 315 | + char * text; | |
| 316 | + int maxlen; | |
| 317 | + int sz = 0; | |
| 318 | + int baddr; | |
| 319 | + | |
| 320 | + CHECK_SESSION_HANDLE(h); | |
| 321 | + | |
| 322 | + if(!lib3270_connected(h)) | |
| 323 | + return NULL; | |
| 324 | + | |
| 325 | + maxlen = h->rows * (h->cols+1); | |
| 326 | + | |
| 327 | + if(start_pos < 0 || start_pos > maxlen || end_pos < 0 || end_pos > maxlen || end_pos < start_pos) | |
| 328 | + return NULL; | |
| 329 | + | |
| 330 | + text = lib3270_malloc(maxlen); | |
| 331 | + | |
| 332 | + for(baddr=start_pos;baddr<end_pos;baddr++) | |
| 333 | + { | |
| 334 | + if(all || h->text[baddr].attr & LIB3270_ATTR_SELECTED) | |
| 335 | + text[sz++] = (h->text[baddr].attr & LIB3270_ATTR_CG) ? ' ' : h->text[baddr].chr; | |
| 336 | + | |
| 337 | + if((baddr%h->cols) == 0 && sz > 0) | |
| 338 | + text[sz++] = '\n'; | |
| 339 | + } | |
| 340 | + text[sz++] = 0; | |
| 341 | + | |
| 342 | + return lib3270_realloc(text,sz); | |
| 343 | +} | |
| 344 | + | |
| 345 | +LIB3270_EXPORT char * lib3270_get_string_at_address(H3270 *h, int offset, int len, char lf) | |
| 346 | +{ | |
| 347 | + char * buffer; | |
| 348 | + int maxlen; | |
| 349 | + char * ptr; | |
| 350 | + | |
| 351 | + CHECK_SESSION_HANDLE(h); | |
| 352 | + | |
| 353 | + if(!lib3270_connected(h)) | |
| 354 | + { | |
| 355 | + errno = ENOTCONN; | |
| 356 | + return NULL; | |
| 357 | + } | |
| 358 | + | |
| 359 | + maxlen = (h->rows * (h->cols+1)) - offset; | |
| 360 | + if(maxlen <= 0 || offset < 0) | |
| 361 | + { | |
| 362 | + errno = EINVAL; | |
| 363 | + return NULL; | |
| 364 | + } | |
| 365 | + | |
| 366 | + if(len < 0 || len > maxlen) | |
| 367 | + len = maxlen; | |
| 368 | + | |
| 369 | + buffer = lib3270_malloc(len+1); | |
| 370 | + ptr = buffer; | |
| 371 | + | |
| 372 | +// trace("len=%d buffer=%p",len,buffer); | |
| 373 | + | |
| 374 | + while(len > 0) | |
| 375 | + { | |
| 376 | + if(h->text[offset].attr & LIB3270_ATTR_CG) | |
| 377 | + *ptr = ' '; | |
| 378 | + else if(h->text[offset].chr) | |
| 379 | + *ptr = h->text[offset].chr; | |
| 380 | + else | |
| 381 | + *ptr = ' '; | |
| 382 | + | |
| 383 | + ptr++; | |
| 384 | + offset++; | |
| 385 | + len--; | |
| 386 | + | |
| 387 | + if(lf && (offset%h->cols) == 0 && len > 0) | |
| 388 | + { | |
| 389 | + *(ptr++) = lf; | |
| 390 | + len--; | |
| 391 | + } | |
| 392 | + } | |
| 393 | +// trace("len=%d buffer=%p pos=%d",len,buffer,ptr-buffer); | |
| 394 | + | |
| 395 | + *ptr = 0; | |
| 396 | + | |
| 397 | + return buffer; | |
| 398 | +} | |
| 399 | + | |
| 400 | +LIB3270_EXPORT char * lib3270_get_string_at(H3270 *h, int row, int col, int len, char lf) | |
| 401 | +{ | |
| 402 | + CHECK_SESSION_HANDLE(h); | |
| 403 | + return lib3270_get_string_at_address(h, ((row-1) * h->cols) + (col-1), len, lf); | |
| 404 | +} | |
| 405 | + | |
| 406 | +LIB3270_EXPORT int lib3270_cmp_text_at(H3270 *h, int row, int col, const char *text, char lf) | |
| 407 | +{ | |
| 408 | + int rc; | |
| 409 | + size_t sz = strlen(text); | |
| 410 | + char * contents; | |
| 411 | + | |
| 412 | + contents = lib3270_get_string_at(h,row,col,sz,lf); | |
| 413 | + if(!contents) | |
| 414 | + return -1; | |
| 415 | + | |
| 416 | + rc = strncmp(contents,text,sz); | |
| 417 | + | |
| 418 | + lib3270_free(contents); | |
| 419 | + | |
| 420 | + return rc; | |
| 421 | +} | |
| 422 | + | |
| 423 | + | |
| 424 | +/** | |
| 425 | + * Get field contents | |
| 426 | + * | |
| 427 | + * @param session Session handle | |
| 428 | + * @param baddr Field addr | |
| 429 | + * | |
| 430 | + * @return String with the field contents (release it with lib3270_free() | |
| 431 | + */ | |
| 432 | +LIB3270_EXPORT char * lib3270_get_field_text_at(H3270 *session, int baddr) | |
| 433 | +{ | |
| 434 | + int first = lib3270_field_addr(session,baddr); | |
| 435 | + | |
| 436 | + if(first < 0) | |
| 437 | + return NULL; | |
| 438 | + | |
| 439 | + return lib3270_get_string_at_address(session,first,lib3270_field_length(session,first)+1,0); | |
| 440 | +} | |
| 441 | + | |
| 442 | +LIB3270_EXPORT int lib3270_has_selection(H3270 *hSession) | |
| 443 | +{ | |
| 444 | + CHECK_SESSION_HANDLE(hSession); | |
| 445 | + return hSession->selected != 0; | |
| 446 | +} | |
| 447 | + | |
| 448 | +LIB3270_EXPORT char * lib3270_get_selected(H3270 *hSession) | |
| 449 | +{ | |
| 450 | + CHECK_SESSION_HANDLE(hSession); | |
| 451 | + | |
| 452 | + if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 453 | + return NULL; | |
| 454 | + | |
| 455 | + if(!lib3270_connected(hSession)) | |
| 456 | + return NULL; | |
| 457 | + | |
| 458 | + | |
| 459 | + return get_text(hSession,0,0); | |
| 460 | +} | |
| 461 | + | |
| 462 | +static void copy_chr(H3270 *hSession, int from, int to) | |
| 463 | +{ | |
| 464 | + if(hSession->text[from].chr == hSession->text[to].chr) | |
| 465 | + return; | |
| 466 | + | |
| 467 | + hSession->text[to].chr = hSession->text[from].chr; | |
| 468 | + | |
| 469 | + memcpy(&hSession->ea_buf[to], &hSession->ea_buf[from],sizeof(struct lib3270_ea)); | |
| 470 | + hSession->ea_buf[from].fa = 0; | |
| 471 | + | |
| 472 | + hSession->cbk.update( hSession, | |
| 473 | + to, | |
| 474 | + hSession->text[to].chr, | |
| 475 | + hSession->text[to].attr, | |
| 476 | + to == hSession->cursor_addr ); | |
| 477 | +} | |
| 478 | + | |
| 479 | +static void clear_chr(H3270 *hSession, int baddr) | |
| 480 | +{ | |
| 481 | + hSession->text[baddr].chr = ' '; | |
| 482 | + | |
| 483 | + hSession->ea_buf[baddr].cc = EBC_null; | |
| 484 | + hSession->ea_buf[baddr].cs = 0; | |
| 485 | + | |
| 486 | + hSession->cbk.update( hSession, | |
| 487 | + baddr, | |
| 488 | + hSession->text[baddr].chr, | |
| 489 | + hSession->text[baddr].attr, | |
| 490 | + baddr == hSession->cursor_addr ); | |
| 491 | +} | |
| 492 | + | |
| 493 | +int cut_addr(H3270 *hSession, int daddr, int saddr, int maxlen, int *sattr) | |
| 494 | +{ | |
| 495 | + if(hSession->ea_buf[saddr].fa) | |
| 496 | + *sattr = hSession->ea_buf[saddr++].fa; | |
| 497 | + | |
| 498 | + if(FA_IS_PROTECTED(*sattr) || saddr >= maxlen) | |
| 499 | + clear_chr(hSession,daddr); | |
| 500 | + else | |
| 501 | + copy_chr(hSession,saddr++,daddr); | |
| 502 | + | |
| 503 | + return saddr; | |
| 504 | +} | |
| 505 | + | |
| 506 | +char * cut_text(H3270 *hSession, char tok) | |
| 507 | +{ | |
| 508 | + unsigned short attr = 0xFFFF; | |
| 509 | + | |
| 510 | + CHECK_SESSION_HANDLE(hSession); | |
| 511 | + | |
| 512 | + if(!hSession->selected || hSession->select.start == hSession->select.end) | |
| 513 | + return NULL; | |
| 514 | + | |
| 515 | + if(!(lib3270_connected(hSession) && hSession->text)) | |
| 516 | + return NULL; | |
| 517 | + | |
| 518 | + trace("Rectangle select is %s",lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT) ? "Active" : "Inactive"); | |
| 519 | + | |
| 520 | + if(lib3270_get_toggle(hSession,LIB3270_TOGGLE_RECTANGLE_SELECT)) | |
| 521 | + { | |
| 522 | + // Rectangle cut is not implemented | |
| 523 | + lib3270_popup_dialog(hSession, LIB3270_NOTIFY_INFO, _( "Not available" ), _( "Invalid cut action" ), "%s", _( "Can't cut rectangular regions") ); | |
| 524 | + } | |
| 525 | + else | |
| 526 | + { | |
| 527 | + int end; | |
| 528 | + size_t szText; | |
| 529 | + size_t buflen; | |
| 530 | + size_t bufpos = 0; | |
| 531 | + int daddr; /* Destination addr */ | |
| 532 | + int dattr; /* Destination addr attribute */ | |
| 533 | + int saddr; /* Source addr (First field after the selected area) */ | |
| 534 | + int sattr; /* Source addr attribute */ | |
| 535 | + char *text; | |
| 536 | + size_t maxlen = hSession->rows * hSession->cols; | |
| 537 | + size_t f; | |
| 538 | + | |
| 539 | + get_selected_addr(hSession,&daddr,&end); | |
| 540 | + | |
| 541 | + lib3270_set_cursor_address(hSession,daddr); | |
| 542 | + | |
| 543 | + if(daddr >= end) | |
| 544 | + return NULL; | |
| 545 | + | |
| 546 | + dattr = lib3270_field_attribute(hSession,daddr); /* Get first attribute */ | |
| 547 | + | |
| 548 | + szText = (end-daddr)+1; | |
| 549 | + buflen = szText; | |
| 550 | + bufpos = 0; | |
| 551 | + | |
| 552 | + text = lib3270_malloc(buflen+1); | |
| 553 | + | |
| 554 | + saddr = daddr+szText; | |
| 555 | + sattr = lib3270_field_attribute(hSession,saddr); | |
| 556 | + | |
| 557 | + for(f=0;f<szText;f++) | |
| 558 | + { | |
| 559 | + if(hSession->ea_buf[daddr].fa) | |
| 560 | + dattr = hSession->ea_buf[daddr].fa; | |
| 561 | + | |
| 562 | + if((bufpos+10) > buflen) | |
| 563 | + { | |
| 564 | + buflen += 100; | |
| 565 | + text = lib3270_realloc(text,buflen); | |
| 566 | + } | |
| 567 | + | |
| 568 | + if(tok && attr != hSession->text[daddr].attr) | |
| 569 | + { | |
| 570 | + attr = hSession->text[daddr].attr; | |
| 571 | + text[bufpos++] = tok; | |
| 572 | + text[bufpos++] = (attr & 0x0F); | |
| 573 | + text[bufpos++] = ((attr & 0xF0) >> 4); | |
| 574 | + } | |
| 575 | + | |
| 576 | + text[bufpos++] = hSession->text[daddr].chr; | |
| 577 | + | |
| 578 | + if(!FA_IS_PROTECTED(dattr)) | |
| 579 | + saddr = cut_addr(hSession,daddr,saddr,maxlen,&sattr); | |
| 580 | + | |
| 581 | + daddr++; | |
| 582 | + } | |
| 583 | + | |
| 584 | + text[bufpos++] = 0; | |
| 585 | + text = lib3270_realloc(text,bufpos); | |
| 586 | + | |
| 587 | + // Move contents of the current field | |
| 588 | + while(daddr < (int) (maxlen-1) && !hSession->ea_buf[daddr].fa) | |
| 589 | + { | |
| 590 | + saddr = cut_addr(hSession,daddr,saddr,maxlen,&sattr); | |
| 591 | + daddr++; | |
| 592 | + } | |
| 593 | + | |
| 594 | + if(!hSession->ea_buf[daddr].fa) | |
| 595 | + clear_chr(hSession,daddr); | |
| 596 | + | |
| 597 | + hSession->cbk.changed(hSession,0,maxlen); | |
| 598 | + | |
| 599 | + lib3270_unselect(hSession); | |
| 600 | + return text; | |
| 601 | + } | |
| 602 | + | |
| 603 | + return NULL; | |
| 604 | +} | |
| 605 | + | |
| 606 | +LIB3270_EXPORT char * lib3270_cut_selected(H3270 *hSession) | |
| 607 | +{ | |
| 608 | + return cut_text(hSession,0); | |
| 609 | +} | |
| 610 | + | ... | ... |