/apps/designer/ftk_app_designer.c
C | 676 lines | 524 code | 121 blank | 31 comment | 111 complexity | 52c3162198ba0aebe602da722605f2b9 MD5 | raw file
1/* 2 * File: ftk_app_designer.c 3 * Author: Li XianJing <xianjimli@hotmail.com> 4 * Brief: ui designer app. 5 * 6 * Copyright (c) 2009 - 2011 Li XianJing <xianjimli@hotmail.com> 7 * 8 * Licensed under the Academic Free License version 2.1 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 */ 24 25/* 26 * History: 27 * ================================================================ 28 * 2011-09-27 Li XianJing <xianjimli@hotmail.com> created 29 * 30 */ 31 32#include "open.h" 33#include "save.h" 34#include "widgets_info.h" 35#include "widget_editor.h" 36#include "ftk_popup_menu.h" 37#include "ftk_app_designer.h" 38 39typedef struct _PrivInfo 40{ 41 FtkBitmap* icon; 42}PrivInfo; 43 44typedef struct _Info 45{ 46 int last_x; 47 int last_y; 48 int ctrl_down; 49 int alt_down; 50 int mouse_down; 51 FtkWidget* selected_widget; 52}Info; 53 54static Ret designer_on_event(void* ctx, void* data); 55static Ret designer_on_prepare_options_menu(void* ctx, FtkWidget* menu_panel); 56 57static Info* info_create(void) 58{ 59 Info* info = FTK_NEW(Info); 60 61 return info; 62} 63 64static void info_destroy(void* data) 65{ 66 FTK_FREE(data); 67 68 return; 69} 70 71static FtkBitmap* ftk_app_designer_get_icon(FtkApp* thiz) 72{ 73 DECL_PRIV(thiz, priv); 74 return_val_if_fail(priv != NULL, NULL); 75 76 if(priv->icon != NULL) return priv->icon; 77 78 priv->icon = ftk_app_load_bitmap(thiz, "designer", "designer"); 79 80 return priv->icon; 81} 82 83static const char* ftk_app_designer_get_name(FtkApp* thiz) 84{ 85 return _("Designer"); 86} 87 88static Ret designer_init(FtkWidget* win) 89{ 90 ftk_widget_set_user_data(win, info_destroy, info_create()); 91 ftk_widget_set_event_listener(win, designer_on_event, win); 92 ftk_app_window_set_on_prepare_options_menu(win, designer_on_prepare_options_menu, win); 93 94 ftk_widget_show(win, 1); 95 96 return RET_OK; 97} 98 99static Ret designer_on_new(void* ctx, void* item) 100{ 101 FtkWidget* win = NULL; 102 FtkWidget* old_win = (FtkWidget*)ctx; 103 104 win = ftk_app_window_create(); 105 ftk_widget_set_text(win, _("FTK UI Designer")); 106 ftk_window_set_animation_hint(win, "app_main_window"); 107 designer_init(win); 108 109 if(old_win != NULL) 110 { 111 ftk_widget_unref(old_win); 112 } 113 114 return RET_OK; 115} 116 117static Ret designer_on_open_ok(void* ctx, FtkWidget* win) 118{ 119 FtkWidget* old_win = (FtkWidget*)ctx; 120 121 if(win != NULL) 122 { 123 designer_init(win); 124 } 125 126 ftk_widget_unref(old_win); 127 128 return RET_OK; 129} 130 131static Ret designer_on_open(void* ctx, void* item) 132{ 133 ftk_widget_editor_open(ctx, designer_on_open_ok); 134 135 return RET_OK; 136} 137 138static Ret designer_on_save(void* ctx, void* item) 139{ 140 FtkWidget* win = (FtkWidget*)ctx; 141 142 ftk_widget_editor_save(win); 143 144 return RET_OK; 145} 146 147static Ret designer_on_help(void* ctx, void* item) 148{ 149 ftk_tips("Ctrl + UP|DOWN|LEFT|RIGHT: move widget.\n Alt + UP|DOWN|LEFT|RIGHT: resize widget\n <F5>: popup menu.\n"); 150 151 return RET_OK; 152} 153 154static Ret designer_on_quit(void* ctx, void* item) 155{ 156 FtkWidget* win = (FtkWidget*)ctx; 157 158 ftk_widget_unref(win); 159 160 return RET_OK; 161} 162 163static int designer_has_selected_widget(FtkWidget* win) 164{ 165 Info* info = (Info*)ftk_widget_user_data(win); 166 167 return (info->selected_widget != NULL && info->selected_widget != win); 168} 169 170static Ret designer_on_duplicate(void* ctx, void* item) 171{ 172 FtkWidget* widget = NULL; 173 FtkWidget* win = (FtkWidget*)ctx; 174 const WidgetInfo* widget_info = NULL; 175 Info* info = (Info*)ftk_widget_user_data(win); 176 177 if(!designer_has_selected_widget(win)) 178 { 179 return RET_OK; 180 } 181 182 widget_info = widgets_info_find_by_type(ftk_widget_type(info->selected_widget)); 183 return_val_if_fail(widget_info != NULL, RET_FAIL); 184 185 if(widget_info->is_leaf_widget) 186 { 187 widget = widget_info->create( 188 ftk_widget_parent(info->selected_widget), 189 ftk_widget_left(info->selected_widget), 190 ftk_widget_top(info->selected_widget) + ftk_widget_height(info->selected_widget), 191 ftk_widget_width(info->selected_widget), 192 ftk_widget_height(info->selected_widget)); 193 ftk_widget_set_text(widget, ftk_widget_get_text(info->selected_widget)); 194 ftk_widget_show(widget, 1); 195 ftk_widget_ref(widget); 196 /*TODO: duplicate listview/combobox/iconview*/ 197 } 198 199 return RET_OK; 200} 201 202static Ret designer_on_insert(void* ctx, void* item) 203{ 204 int x = 0; 205 int y = 0; 206 FtkWidget* parent = NULL; 207 FtkWidget* win = (FtkWidget*)ctx; 208 const WidgetInfo* widget_info = NULL; 209 Info* info = (Info*)ftk_widget_user_data(win); 210 211 parent = win; 212 if(designer_has_selected_widget(win)) 213 { 214 widget_info = widgets_info_find_by_type(ftk_widget_type(info->selected_widget)); 215 parent = widget_info->is_leaf_widget ? ftk_widget_parent(info->selected_widget) : info->selected_widget; 216 } 217 218 x = info->last_x - ftk_widget_left_abs(parent); 219 y = info->last_y - ftk_widget_top_abs(parent); 220 ftk_widget_editor_new(parent, x, y); 221 222 return RET_OK; 223} 224 225static Ret designer_on_delete(void* ctx, void* item) 226{ 227 FtkWidget* win = (FtkWidget*)ctx; 228 Info* info = (Info*)ftk_widget_user_data(win); 229 230 if(designer_has_selected_widget(win)) 231 { 232 ftk_widget_remove_child(ftk_widget_parent(info->selected_widget), info->selected_widget); 233 info->selected_widget = NULL; 234 ftk_widget_invalidate(win); 235 } 236 237 return RET_OK; 238} 239 240static Ret designer_on_prop(void* ctx, void* item) 241{ 242 FtkWidget* parent = NULL; 243 FtkWidget* widget = NULL; 244 FtkWidget* win = (FtkWidget*)ctx; 245 Info* info = (Info*)ftk_widget_user_data(win); 246 247 if(designer_has_selected_widget(win)) 248 { 249 widget = info->selected_widget; 250 parent = ftk_widget_parent(info->selected_widget); 251 } 252 else 253 { 254 widget = win; 255 parent = win; 256 } 257 258 ftk_widget_editor_edit(parent, widget); 259 260 return RET_OK; 261} 262 263static Ret designer_on_special_prop(void* ctx, void* item) 264{ 265 const WidgetInfo* widget_info = NULL; 266 FtkWidget* win = (FtkWidget*)ctx; 267 Info* info = (Info*)ftk_widget_user_data(win); 268 269 if(designer_has_selected_widget(win)) 270 { 271 widget_info = widgets_info_find_by_type(ftk_widget_type(info->selected_widget)); 272 if(widget_info != NULL && widget_info->edit != NULL) 273 { 274 widget_info->edit(info->selected_widget); 275 } 276 } 277 278 return RET_OK; 279} 280 281typedef struct _MenuItem 282{ 283 int need_selected_widget; 284 char* name; 285 const char* icon_file_name; 286 FtkListener on_clicked; 287}MenuItem; 288 289static const MenuItem s_menu_items[] = 290{ 291 {0, "New", NULL, designer_on_new}, 292 {0, "Open", NULL, designer_on_open}, 293 {0, "Save", NULL, designer_on_save}, 294 {0, "Help", NULL, designer_on_help}, 295 {0, "Quit", NULL, designer_on_quit} 296}; 297 298static const MenuItem s_popup_menu_items[] = 299{ 300 {0, "Insert", NULL, designer_on_insert}, 301 {1, "Duplicate", NULL, designer_on_duplicate}, 302 {1, "Delete", NULL, designer_on_delete}, 303 {0, "General property", NULL, designer_on_prop}, 304 {1, "Special property", NULL, designer_on_special_prop}, 305 {0, "Cancel", NULL, NULL} 306}; 307 308static Ret designer_on_popup_menu_item_clicked(void* ctx, void* data) 309{ 310 FtkListItemInfo* info = data; 311 FtkListener on_clicked = (FtkListener)info->extra_user_data; 312 313 if(on_clicked != NULL) 314 { 315 on_clicked(ctx, NULL); 316 } 317 318 return RET_OK; 319} 320 321static Ret designer_on_popup_menu(void* ctx, void* obj) 322{ 323 size_t i = 0; 324 int nr = 0; 325 int height = 0; 326 FtkBitmap* icon = NULL; 327 FtkWidget* popup = NULL; 328 FtkListItemInfo infos; 329 FtkWidget* win = (FtkWidget*)ctx; 330 331 memset(&infos, 0x00, sizeof(infos)); 332 icon = ftk_theme_load_image(ftk_default_theme(), "info"FTK_STOCK_IMG_SUFFIX); 333 334 for(i = 0; i < FTK_ARRAY_SIZE(s_popup_menu_items); i++) 335 { 336 if(s_popup_menu_items[i].need_selected_widget && !designer_has_selected_widget(win)) 337 { 338 continue; 339 } 340 nr++; 341 } 342 343 height = (nr + 1) * FTK_POPUP_MENU_ITEM_HEIGHT; 344 height = height < ftk_widget_height(win) ? height : ftk_widget_height(win); 345 346 popup = ftk_popup_menu_create(0, 0, 0, height, icon, _("Edit")); 347 348 infos.state = 0; 349 infos.type = FTK_LIST_ITEM_NORMAL; 350 for(i = 0; i < FTK_ARRAY_SIZE(s_popup_menu_items); i++) 351 { 352 if(s_popup_menu_items[i].need_selected_widget && !designer_has_selected_widget(win)) 353 { 354 continue; 355 } 356 357 infos.value = i; 358 infos.text = s_popup_menu_items[i].name; 359 infos.extra_user_data = s_popup_menu_items[i].on_clicked; 360 361 ftk_popup_menu_add(popup, &infos); 362 } 363 ftk_bitmap_unref(icon); 364 365 ftk_popup_menu_set_clicked_listener(popup, designer_on_popup_menu_item_clicked, ctx); 366 ftk_widget_show_all(popup, 1); 367 368 return RET_OK; 369} 370 371static Ret designer_on_prepare_options_menu(void* ctx, FtkWidget* menu_panel) 372{ 373 size_t i = 0; 374 FtkWidget* item = NULL; 375 FtkWidget* win = (FtkWidget*)ctx; 376 377 for(i = 0; i < FTK_ARRAY_SIZE(s_menu_items); i++) 378 { 379 item = ftk_menu_item_create(menu_panel); 380 ftk_widget_set_text(item, _(s_menu_items[i].name)); 381 ftk_menu_item_set_clicked_listener(item, s_menu_items[i].on_clicked, win); 382 ftk_widget_show(item, 1); 383 } 384 385 return RET_OK; 386} 387 388static Ret designer_move_widget(FtkWidget* widget, int x, int y, int w, int h) 389{ 390 int parent_w = ftk_widget_width(ftk_widget_parent(widget)); 391 int parent_h = ftk_widget_height(ftk_widget_parent(widget)); 392 const WidgetInfo* widget_info = widgets_info_find_by_type(ftk_widget_type(widget)); 393 394 return_val_if_fail(widget_info != NULL, RET_OK); 395 396 x = x >= 0 ? x : 0; 397 y = y >= 0 ? y : 0; 398 399 w = FTK_MAX(w, widget_info->min_width); 400 h = FTK_MAX(h, widget_info->min_height); 401 402 if((x + w) < parent_w && (y + h) < parent_h) 403 { 404 ftk_widget_move_resize(widget, x, y, w, h); 405 } 406 407 return RET_OK; 408} 409 410static Ret designer_handle_direction_key(FtkWidget* win, int press, int code) 411{ 412 int x = 0; 413 int y = 0; 414 int w = 0; 415 int h = 0; 416 Ret ret = RET_OK; 417 Info* info = (Info*)ftk_widget_user_data(win); 418 419 x = ftk_widget_left(info->selected_widget); 420 y = ftk_widget_top(info->selected_widget); 421 w = ftk_widget_width(info->selected_widget); 422 h = ftk_widget_height(info->selected_widget); 423 424 switch(code) 425 { 426 case FTK_KEY_UP: 427 { 428 if(info->ctrl_down) 429 { 430 y--; 431 } 432 433 if(info->alt_down) 434 { 435 h--; 436 } 437 438 break; 439 } 440 case FTK_KEY_DOWN: 441 { 442 if(info->ctrl_down) 443 { 444 y++; 445 } 446 447 if(info->alt_down) 448 { 449 h++; 450 } 451 452 break; 453 } 454 case FTK_KEY_LEFT: 455 { 456 if(info->ctrl_down) 457 { 458 x--; 459 } 460 461 if(info->alt_down) 462 { 463 w--; 464 } 465 466 break; 467 } 468 case FTK_KEY_RIGHT: 469 { 470 if(info->ctrl_down) 471 { 472 x++; 473 } 474 475 if(info->alt_down) 476 { 477 w++; 478 } 479 480 break; 481 } 482 default:break; 483 } 484 485 if(info->ctrl_down || info->alt_down) 486 { 487 designer_move_widget(info->selected_widget, x, y, w, h); 488 ret = RET_REMOVE; 489 } 490 491 return ret; 492} 493 494static Ret designer_on_key_event(FtkWidget* win, int press, int code) 495{ 496 Ret ret = RET_OK; 497 Info* info = (Info*)ftk_widget_user_data(win); 498 499 /*XXX: Li XianJing 37 is the key code of left ctrl on my thinkpad, I dont know why.*/ 500 if(code == FTK_KEY_LEFTCTRL || code == FTK_KEY_RIGHTCTRL || code == 37) 501 { 502 info->ctrl_down = press; 503 504 return RET_OK; 505 } 506 507 if(code == FTK_KEY_LEFTALT || code == FTK_KEY_RIGHTALT 508 || code == FTK_KEY_LEFTSHIFT || code == FTK_KEY_RIGHTSHIFT) 509 { 510 info->alt_down = press; 511 512 return RET_OK; 513 } 514 515 if(press) 516 { 517 if((info->ctrl_down || info->alt_down)) 518 { 519 return RET_REMOVE; 520 } 521 else 522 { 523 return RET_OK; 524 } 525 } 526 else 527 { 528 if(code == FTK_KEY_F5) 529 { 530 designer_on_popup_menu(win, NULL); 531 } 532 else if(code == FTK_KEY_INSERT) 533 { 534 designer_on_insert(win, NULL); 535 } 536 else if(code == FTK_KEY_DELETE) 537 { 538 designer_on_delete(win, NULL); 539 } 540 541 if(!info->ctrl_down && !info->alt_down) 542 { 543 if(code == FTK_KEY_TAB || code == FTK_KEY_LEFT || code == FTK_KEY_UP || code == FTK_KEY_DOWN || code == FTK_KEY_RIGHT) 544 { 545 info->selected_widget = ftk_window_get_focus(win); 546 } 547 return RET_OK; 548 } 549 } 550 551 if(!designer_has_selected_widget(win)) 552 { 553 if(info->ctrl_down || info->alt_down) 554 { 555 return RET_REMOVE; 556 } 557 else 558 { 559 return RET_OK; 560 } 561 } 562 563 ret = designer_handle_direction_key(win, press, code); 564 565 return ret; 566} 567 568static Ret designer_on_mouse_event(FtkWidget* win, int press, int x, int y) 569{ 570 Info* info = (Info*)ftk_widget_user_data(win); 571 572 if(press == 1) 573 { 574 info->last_x = x; 575 info->last_y = y; 576 info->mouse_down = 1; 577 info->selected_widget = ftk_widget_find_target(win, info->last_x, info->last_y, 0); 578 } 579 else if(press == 0) 580 { 581 info->mouse_down = 0; 582 } 583 else 584 { 585 int w = 0; 586 int h = 0; 587 int x_offset = x - info->last_x; 588 int y_offset = y - info->last_y; 589 590 if(!designer_has_selected_widget(win) || !info->mouse_down) 591 { 592 return RET_OK; 593 } 594 595 info->last_x = x; 596 info->last_y = y; 597 x = ftk_widget_left(info->selected_widget) + x_offset; 598 y = ftk_widget_top(info->selected_widget) + y_offset; 599 w = ftk_widget_width(info->selected_widget); 600 h = ftk_widget_height(info->selected_widget); 601 602 designer_move_widget(info->selected_widget, x, y, w, h); 603 } 604 605 return RET_OK; 606} 607 608static Ret designer_on_event(void* ctx, void* data) 609{ 610 Ret ret = RET_OK; 611 FtkWidget* win = (FtkWidget*)ctx; 612 FtkEvent* event = (FtkEvent*)data; 613 614 if(event->type == FTK_EVT_MOUSE_LONG_PRESS) 615 { 616 ret = RET_REMOVE; 617 designer_on_popup_menu(win, NULL); 618 } 619 else if(event->type == FTK_EVT_KEY_DOWN) 620 { 621 ret = designer_on_key_event(win, 1, event->u.key.code); 622 } 623 else if(event->type == FTK_EVT_KEY_UP) 624 { 625 ret = designer_on_key_event(win, 0, event->u.key.code); 626 } 627 else if(event->type == FTK_EVT_MOUSE_DOWN) 628 { 629 ret = designer_on_mouse_event(win, 1, event->u.mouse.x, event->u.mouse.y); 630 } 631 else if(event->type == FTK_EVT_MOUSE_MOVE) 632 { 633 ret = designer_on_mouse_event(win, -1, event->u.mouse.x, event->u.mouse.y); 634 } 635 else if(event->type == FTK_EVT_MOUSE_UP) 636 { 637 ret = designer_on_mouse_event(win, 0, event->u.mouse.x, event->u.mouse.y); 638 } 639 640 return ret; 641} 642 643static Ret ftk_app_designer_run(FtkApp* thiz, int argc, char* argv[]) 644{ 645 designer_on_new(NULL, NULL); 646 647 return RET_OK; 648} 649 650static void ftk_app_designer_destroy(FtkApp* thiz) 651{ 652 if(thiz != NULL) 653 { 654 DECL_PRIV(thiz, priv); 655 ftk_bitmap_unref(priv->icon); 656 FTK_FREE(thiz); 657 } 658 659 return; 660} 661 662FtkApp* ftk_app_designer_create(void) 663{ 664 FtkApp* thiz = FTK_ZALLOC(sizeof(FtkApp) + sizeof(PrivInfo)); 665 666 if(thiz != NULL) 667 { 668 thiz->run = ftk_app_designer_run; 669 thiz->get_icon = ftk_app_designer_get_icon; 670 thiz->get_name = ftk_app_designer_get_name; 671 thiz->destroy = ftk_app_designer_destroy; 672 } 673 674 return thiz; 675} 676