util/kconfig/qconf.cc

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
   4  * Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com>
   5  */
   6
   7 #include <QAction>
   8 #include <QApplication>
   9 #include <QCloseEvent>
  10 #include <QDebug>
  11 #include <QDesktopWidget>
  12 #include <QFileDialog>
  13 #include <QLabel>
  14 #include <QLayout>
  15 #include <QList>
  16 #include <QMenu>
  17 #include <QMenuBar>
  18 #include <QMessageBox>
  19 #include <QToolBar>
  20
  21 #include <stdlib.h>
  22
  23 #include "lkc.h"
  24 #include "qconf.h"
  25
  26 #include "images.h"
  27
  28
  29 int kconfig_warnings = 0;
  30
  31 static QApplication *configApp;
  32 static ConfigSettings *configSettings;
  33
  34 QAction *ConfigMainWindow::saveAction;
  35
  36 ConfigSettings::ConfigSettings()
  37         : QSettings("kernel.org", "qconf")
  38 {
  39 }
  40
  41 /**
  42  * Reads a list of integer values from the application settings.
  43  */
  44 QList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
  45 {
  46         QList<int> result;
  47
  48         if (contains(key))
  49         {
  50                 QStringList entryList = value(key).toStringList();
  51                 QStringList::Iterator it;
  52
  53                 for (it = entryList.begin(); it != entryList.end(); ++it)
  54                         result.push_back((*it).toInt());
  55
  56                 *ok = true;
  57         }
  58         else
  59                 *ok = false;
  60
  61         return result;
  62 }
  63
  64 /**
  65  * Writes a list of integer values to the application settings.
  66  */
  67 bool ConfigSettings::writeSizes(const QString& key, const QList<int>& value)
  68 {
  69         QStringList stringList;
  70         QList<int>::ConstIterator it;
  71
  72         for (it = value.begin(); it != value.end(); ++it)
  73                 stringList.push_back(QString::number(*it));
  74         setValue(key, stringList);
  75
  76         return true;
  77 }
  78
  79 QIcon ConfigItem::symbolYesIcon;
  80 QIcon ConfigItem::symbolModIcon;
  81 QIcon ConfigItem::symbolNoIcon;
  82 QIcon ConfigItem::choiceYesIcon;
  83 QIcon ConfigItem::choiceNoIcon;
  84 QIcon ConfigItem::menuIcon;
  85 QIcon ConfigItem::menubackIcon;
  86
  87 /*
  88  * update the displayed of a menu entry
  89  */
  90 void ConfigItem::updateMenu(void)
  91 {
  92         ConfigList* list;
  93         struct symbol* sym;
  94         struct property *prop;
  95         QString prompt;
  96         int type;
  97         tristate expr;
  98
  99         list = listView();
 100         if (goParent) {
 101                 setIcon(promptColIdx, menubackIcon);
 102                 prompt = "..";
 103                 goto set_prompt;
 104         }
 105
 106         sym = menu->sym;
 107         prop = menu->prompt;
 108         prompt = menu_get_prompt(menu);
 109
 110         if (prop) switch (prop->type) {
 111         case P_MENU:
 112                 if (list->mode == singleMode || list->mode == symbolMode) {
 113                         /* a menuconfig entry is displayed differently
 114                          * depending whether it's at the view root or a child.
 115                          */
 116                         if (sym && list->rootEntry == menu)
 117                                 break;
 118                         setIcon(promptColIdx, menuIcon);
 119                 } else {
 120                         if (sym)
 121                                 break;
 122                         setIcon(promptColIdx, QIcon());
 123                 }
 124                 goto set_prompt;
 125         case P_COMMENT:
 126                 setIcon(promptColIdx, QIcon());
 127                 prompt = "*** " + prompt + " ***";
 128                 goto set_prompt;
 129         default:
 130                 ;
 131         }
 132         if (!sym)
 133                 goto set_prompt;
 134
 135         setText(nameColIdx, sym->name);
 136
 137         type = sym_get_type(sym);
 138         switch (type) {
 139         case S_BOOLEAN:
 140         case S_TRISTATE:
 141                 char ch;
 142
 143                 if (!sym_is_changeable(sym) && list->optMode == normalOpt) {
 144                         setIcon(promptColIdx, QIcon());
 145                         break;
 146                 }
 147                 expr = sym_get_tristate_value(sym);
 148                 switch (expr) {
 149                 case yes:
 150                         if (sym_is_choice_value(sym) && type == S_BOOLEAN)
 151                                 setIcon(promptColIdx, choiceYesIcon);
 152                         else
 153                                 setIcon(promptColIdx, symbolYesIcon);
 154                         ch = 'Y';
 155                         break;
 156                 case mod:
 157                         setIcon(promptColIdx, symbolModIcon);
 158                         ch = 'M';
 159                         break;
 160                 default:
 161                         if (sym_is_choice_value(sym) && type == S_BOOLEAN)
 162                                 setIcon(promptColIdx, choiceNoIcon);
 163                         else
 164                                 setIcon(promptColIdx, symbolNoIcon);
 165                         ch = 'N';
 166                         break;
 167                 }
 168
 169                 setText(dataColIdx, QChar(ch));
 170                 break;
 171         case S_INT:
 172         case S_HEX:
 173         case S_STRING:
 174                 setText(dataColIdx, sym_get_string_value(sym));
 175                 break;
 176         }
 177         if (!sym_has_value(sym) && visible)
 178                 prompt += " (NEW)";
 179 set_prompt:
 180         setText(promptColIdx, prompt);
 181 }
 182
 183 void ConfigItem::testUpdateMenu(bool v)
 184 {
 185         ConfigItem* i;
 186
 187         visible = v;
 188         if (!menu)
 189                 return;
 190
 191         sym_calc_value(menu->sym);
 192         if (menu->flags & MENU_CHANGED) {
 193                 /* the menu entry changed, so update all list items */
 194                 menu->flags &= ~MENU_CHANGED;
 195                 for (i = (ConfigItem*)menu->data; i; i = i->nextItem)
 196                         i->updateMenu();
 197         } else if (listView()->updateAll)
 198                 updateMenu();
 199 }
 200
 201
 202 /*
 203  * construct a menu entry
 204  */
 205 void ConfigItem::init(void)
 206 {
 207         if (menu) {
 208                 ConfigList* list = listView();
 209                 nextItem = (ConfigItem*)menu->data;
 210                 menu->data = this;
 211
 212                 if (list->mode != fullMode)
 213                         setExpanded(true);
 214                 sym_calc_value(menu->sym);
 215
 216                 if (menu->sym) {
 217                         enum symbol_type type = menu->sym->type;
 218
 219                         // Allow to edit "int", "hex", and "string" in-place in
 220                         // the data column. Unfortunately, you cannot specify
 221                         // the flags per column. Set ItemIsEditable for all
 222                         // columns here, and check the column in createEditor().
 223                         if (type == S_INT || type == S_HEX || type == S_STRING)
 224                                 setFlags(flags() | Qt::ItemIsEditable);
 225                 }
 226         }
 227         updateMenu();
 228 }
 229
 230 /*
 231  * destruct a menu entry
 232  */
 233 ConfigItem::~ConfigItem(void)
 234 {
 235         if (menu) {
 236                 ConfigItem** ip = (ConfigItem**)&menu->data;
 237                 for (; *ip; ip = &(*ip)->nextItem) {
 238                         if (*ip == this) {
 239                                 *ip = nextItem;
 240                                 break;
 241                         }
 242                 }
 243         }
 244 }
 245
 246 QWidget *ConfigItemDelegate::createEditor(QWidget *parent,
 247                                           const QStyleOptionViewItem &option,
 248                                           const QModelIndex &index) const
 249 {
 250         ConfigItem *item;
 251
 252         // Only the data column is editable
 253         if (index.column() != dataColIdx)
 254                 return nullptr;
 255
 256         // You cannot edit invisible menus
 257         item = static_cast<ConfigItem *>(index.internalPointer());
 258         if (!item || !item->menu || !menu_is_visible(item->menu))
 259                 return nullptr;
 260
 261         return QStyledItemDelegate::createEditor(parent, option, index);
 262 }
 263
 264 void ConfigItemDelegate::setModelData(QWidget *editor,
 265                                       QAbstractItemModel *model,
 266                                       const QModelIndex &index) const
 267 {
 268         QLineEdit *lineEdit;
 269         ConfigItem *item;
 270         struct symbol *sym;
 271         bool success;
 272
 273         lineEdit = qobject_cast<QLineEdit *>(editor);
 274         // If this is not a QLineEdit, use the parent's default.
 275         // (does this happen?)
 276         if (!lineEdit)
 277                 goto parent;
 278
 279         item = static_cast<ConfigItem *>(index.internalPointer());
 280         if (!item || !item->menu)
 281                 goto parent;
 282
 283         sym = item->menu->sym;
 284         if (!sym)
 285                 goto parent;
 286
 287         success = sym_set_string_value(sym, lineEdit->text().toUtf8().data());
 288         if (success) {
 289                 ConfigList::updateListForAll();
 290         } else {
 291                 QMessageBox::information(editor, "qconf",
 292                         "Cannot set the data (maybe due to out of range).\n"
 293                         "Setting the old value.");
 294                 lineEdit->setText(sym_get_string_value(sym));
 295         }
 296
 297 parent:
 298         QStyledItemDelegate::setModelData(editor, model, index);
 299 }
 300
 301 ConfigList::ConfigList(QWidget *parent, const char *name)
 302         : QTreeWidget(parent),
 303           updateAll(false),
 304           showName(false), mode(singleMode), optMode(normalOpt),
 305           rootEntry(0), headerPopup(0)
 306 {
 307         setObjectName(name);
 308         setSortingEnabled(false);
 309         setRootIsDecorated(true);
 310
 311         setVerticalScrollMode(ScrollPerPixel);
 312         setHorizontalScrollMode(ScrollPerPixel);
 313
 314         setHeaderLabels(QStringList() << "Option" << "Name" << "Value");
 315
 316         connect(this, &ConfigList::itemSelectionChanged,
 317                 this, &ConfigList::updateSelection);
 318
 319         if (name) {
 320                 configSettings->beginGroup(name);
 321                 showName = configSettings->value("/showName", false).toBool();
 322                 optMode = (enum optionMode)configSettings->value("/optionMode", 0).toInt();
 323                 configSettings->endGroup();
 324                 connect(configApp, &QApplication::aboutToQuit,
 325                         this, &ConfigList::saveSettings);
 326         }
 327
 328         showColumn(promptColIdx);
 329
 330         setItemDelegate(new ConfigItemDelegate(this));
 331
 332         allLists.append(this);
 333
 334         reinit();
 335 }
 336
 337 ConfigList::~ConfigList()
 338 {
 339         allLists.removeOne(this);
 340 }
 341
 342 bool ConfigList::menuSkip(struct menu *menu)
 343 {
 344         if (optMode == normalOpt && menu_is_visible(menu))
 345                 return false;
 346         if (optMode == promptOpt && menu_has_prompt(menu))
 347                 return false;
 348         if (optMode == allOpt)
 349                 return false;
 350         return true;
 351 }
 352
 353 void ConfigList::reinit(void)
 354 {
 355         hideColumn(nameColIdx);
 356
 357         if (showName)
 358                 showColumn(nameColIdx);
 359
 360         updateListAll();
 361 }
 362
 363 void ConfigList::setOptionMode(QAction *action)
 364 {
 365         if (action == showNormalAction)
 366                 optMode = normalOpt;
 367         else if (action == showAllAction)
 368                 optMode = allOpt;
 369         else
 370                 optMode = promptOpt;
 371
 372         updateListAll();
 373 }
 374
 375 void ConfigList::saveSettings(void)
 376 {
 377         if (!objectName().isEmpty()) {
 378                 configSettings->beginGroup(objectName());
 379                 configSettings->setValue("/showName", showName);
 380                 configSettings->setValue("/optionMode", (int)optMode);
 381                 configSettings->endGroup();
 382         }
 383 }
 384
 385 ConfigItem* ConfigList::findConfigItem(struct menu *menu)
 386 {
 387         ConfigItem* item = (ConfigItem*)menu->data;
 388
 389         for (; item; item = item->nextItem) {
 390                 if (this == item->listView())
 391                         break;
 392         }
 393
 394         return item;
 395 }
 396
 397 void ConfigList::updateSelection(void)
 398 {
 399         struct menu *menu;
 400         enum prop_type type;
 401
 402         if (selectedItems().count() == 0)
 403                 return;
 404
 405         ConfigItem* item = (ConfigItem*)selectedItems().first();
 406         if (!item)
 407                 return;
 408
 409         menu = item->menu;
 410         emit menuChanged(menu);
 411         if (!menu)
 412                 return;
 413         type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 414         if (mode == menuMode && type == P_MENU)
 415                 emit menuSelected(menu);
 416 }
 417
 418 void ConfigList::updateList()
 419 {
 420         ConfigItem* last = 0;
 421         ConfigItem *item;
 422
 423         if (!rootEntry) {
 424                 if (mode != listMode)
 425                         goto update;
 426                 QTreeWidgetItemIterator it(this);
 427
 428                 while (*it) {
 429                         item = (ConfigItem*)(*it);
 430                         if (!item->menu)
 431                                 continue;
 432                         item->testUpdateMenu(menu_is_visible(item->menu));
 433
 434                         ++it;
 435                 }
 436                 return;
 437         }
 438
 439         if (rootEntry != &rootmenu && (mode == singleMode ||
 440             (mode == symbolMode && rootEntry->parent != &rootmenu))) {
 441                 item = (ConfigItem *)topLevelItem(0);
 442                 if (!item)
 443                         item = new ConfigItem(this, 0, true);
 444                 last = item;
 445         }
 446         if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) &&
 447             rootEntry->sym && rootEntry->prompt) {
 448                 item = last ? last->nextSibling() : nullptr;
 449                 if (!item)
 450                         item = new ConfigItem(this, last, rootEntry, true);
 451                 else
 452                         item->testUpdateMenu(true);
 453
 454                 updateMenuList(item, rootEntry);
 455                 update();
 456                 resizeColumnToContents(0);
 457                 return;
 458         }
 459 update:
 460         updateMenuList(rootEntry);
 461         update();
 462         resizeColumnToContents(0);
 463 }
 464
 465 void ConfigList::updateListForAll()
 466 {
 467         QListIterator<ConfigList *> it(allLists);
 468
 469         while (it.hasNext()) {
 470                 ConfigList *list = it.next();
 471
 472                 list->updateList();
 473         }
 474 }
 475
 476 void ConfigList::updateListAllForAll()
 477 {
 478         QListIterator<ConfigList *> it(allLists);
 479
 480         while (it.hasNext()) {
 481                 ConfigList *list = it.next();
 482
 483                 list->updateList();
 484         }
 485 }
 486
 487 void ConfigList::setValue(ConfigItem* item, tristate val)
 488 {
 489         struct symbol* sym;
 490         int type;
 491         tristate oldval;
 492
 493         sym = item->menu ? item->menu->sym : 0;
 494         if (!sym)
 495                 return;
 496
 497         type = sym_get_type(sym);
 498         switch (type) {
 499         case S_BOOLEAN:
 500         case S_TRISTATE:
 501                 oldval = sym_get_tristate_value(sym);
 502
 503                 if (!sym_set_tristate_value(sym, val))
 504                         return;
 505                 if (oldval == no && item->menu->list)
 506                         item->setExpanded(true);
 507                 ConfigList::updateListForAll();
 508                 break;
 509         }
 510 }
 511
 512 void ConfigList::changeValue(ConfigItem* item)
 513 {
 514         struct symbol* sym;
 515         struct menu* menu;
 516         int type, oldexpr, newexpr;
 517
 518         menu = item->menu;
 519         if (!menu)
 520                 return;
 521         sym = menu->sym;
 522         if (!sym) {
 523                 if (item->menu->list)
 524                         item->setExpanded(!item->isExpanded());
 525                 return;
 526         }
 527
 528         type = sym_get_type(sym);
 529         switch (type) {
 530         case S_BOOLEAN:
 531         case S_TRISTATE:
 532                 oldexpr = sym_get_tristate_value(sym);
 533                 newexpr = sym_toggle_tristate_value(sym);
 534                 if (item->menu->list) {
 535                         if (oldexpr == newexpr)
 536                                 item->setExpanded(!item->isExpanded());
 537                         else if (oldexpr == no)
 538                                 item->setExpanded(true);
 539                 }
 540                 if (oldexpr != newexpr)
 541                         ConfigList::updateListForAll();
 542                 break;
 543         default:
 544                 break;
 545         }
 546 }
 547
 548 void ConfigList::setRootMenu(struct menu *menu)
 549 {
 550         enum prop_type type;
 551
 552         if (rootEntry == menu)
 553                 return;
 554         type = menu && menu->prompt ? menu->prompt->type : P_UNKNOWN;
 555         if (type != P_MENU)
 556                 return;
 557         updateMenuList(0);
 558         rootEntry = menu;
 559         updateListAll();
 560         if (currentItem()) {
 561                 setSelected(currentItem(), hasFocus());
 562                 scrollToItem(currentItem());
 563         }
 564 }
 565
 566 void ConfigList::setParentMenu(void)
 567 {
 568         ConfigItem* item;
 569         struct menu *oldroot;
 570
 571         oldroot = rootEntry;
 572         if (rootEntry == &rootmenu)
 573                 return;
 574         setRootMenu(menu_get_parent_menu(rootEntry->parent));
 575
 576         QTreeWidgetItemIterator it(this);
 577         while (*it) {
 578                 item = (ConfigItem *)(*it);
 579                 if (item->menu == oldroot) {
 580                         setCurrentItem(item);
 581                         scrollToItem(item);
 582                         break;
 583                 }
 584
 585                 ++it;
 586         }
 587 }
 588
 589 /*
 590  * update all the children of a menu entry
 591  *   removes/adds the entries from the parent widget as necessary
 592  *
 593  * parent: either the menu list widget or a menu entry widget
 594  * menu: entry to be updated
 595  */
 596 void ConfigList::updateMenuList(ConfigItem *parent, struct menu* menu)
 597 {
 598         struct menu* child;
 599         ConfigItem* item;
 600         ConfigItem* last;
 601         bool visible;
 602         enum prop_type type;
 603
 604         if (!menu) {
 605                 while (parent->childCount() > 0)
 606                 {
 607                         delete parent->takeChild(0);
 608                 }
 609
 610                 return;
 611         }
 612
 613         last = parent->firstChild();
 614         if (last && !last->goParent)
 615                 last = 0;
 616         for (child = menu->list; child; child = child->next) {
 617                 item = last ? last->nextSibling() : parent->firstChild();
 618                 type = child->prompt ? child->prompt->type : P_UNKNOWN;
 619
 620                 switch (mode) {
 621                 case menuMode:
 622                         if (!(child->flags & MENU_ROOT))
 623                                 goto hide;
 624                         break;
 625                 case symbolMode:
 626                         if (child->flags & MENU_ROOT)
 627                                 goto hide;
 628                         break;
 629                 default:
 630                         break;
 631                 }
 632
 633                 visible = menu_is_visible(child);
 634                 if (!menuSkip(child)) {
 635                         if (!child->sym && !child->list && !child->prompt)
 636                                 continue;
 637                         if (!item || item->menu != child)
 638                                 item = new ConfigItem(parent, last, child, visible);
 639                         else
 640                                 item->testUpdateMenu(visible);
 641
 642                         if (mode == fullMode || mode == menuMode || type != P_MENU)
 643                                 updateMenuList(item, child);
 644                         else
 645                                 updateMenuList(item, 0);
 646                         last = item;
 647                         continue;
 648                 }
 649 hide:
 650                 if (item && item->menu == child) {
 651                         last = parent->firstChild();
 652                         if (last == item)
 653                                 last = 0;
 654                         else while (last->nextSibling() != item)
 655                                 last = last->nextSibling();
 656                         delete item;
 657                 }
 658         }
 659 }
 660
 661 void ConfigList::updateMenuList(struct menu *menu)
 662 {
 663         struct menu* child;
 664         ConfigItem* item;
 665         ConfigItem* last;
 666         bool visible;
 667         enum prop_type type;
 668
 669         if (!menu) {
 670                 while (topLevelItemCount() > 0)
 671                 {
 672                         delete takeTopLevelItem(0);
 673                 }
 674
 675                 return;
 676         }
 677
 678         last = (ConfigItem *)topLevelItem(0);
 679         if (last && !last->goParent)
 680                 last = 0;
 681         for (child = menu->list; child; child = child->next) {
 682                 item = last ? last->nextSibling() : (ConfigItem *)topLevelItem(0);
 683                 type = child->prompt ? child->prompt->type : P_UNKNOWN;
 684
 685                 switch (mode) {
 686                 case menuMode:
 687                         if (!(child->flags & MENU_ROOT))
 688                                 goto hide;
 689                         break;
 690                 case symbolMode:
 691                         if (child->flags & MENU_ROOT)
 692                                 goto hide;
 693                         break;
 694                 default:
 695                         break;
 696                 }
 697
 698                 visible = menu_is_visible(child);
 699                 if (!menuSkip(child)) {
 700                         if (!child->sym && !child->list && !child->prompt)
 701                                 continue;
 702                         if (!item || item->menu != child)
 703                                 item = new ConfigItem(this, last, child, visible);
 704                         else
 705                                 item->testUpdateMenu(visible);
 706
 707                         if (mode == fullMode || mode == menuMode || type != P_MENU)
 708                                 updateMenuList(item, child);
 709                         else
 710                                 updateMenuList(item, 0);
 711                         last = item;
 712                         continue;
 713                 }
 714 hide:
 715                 if (item && item->menu == child) {
 716                         last = (ConfigItem *)topLevelItem(0);
 717                         if (last == item)
 718                                 last = 0;
 719                         else while (last->nextSibling() != item)
 720                                 last = last->nextSibling();
 721                         delete item;
 722                 }
 723         }
 724 }
 725
 726 void ConfigList::keyPressEvent(QKeyEvent* ev)
 727 {
 728         QTreeWidgetItem* i = currentItem();
 729         ConfigItem* item;
 730         struct menu *menu;
 731         enum prop_type type;
 732
 733         if (ev->key() == Qt::Key_Escape && mode != fullMode && mode != listMode) {
 734                 emit parentSelected();
 735                 ev->accept();
 736                 return;
 737         }
 738
 739         if (!i) {
 740                 Parent::keyPressEvent(ev);
 741                 return;
 742         }
 743         item = (ConfigItem*)i;
 744
 745         switch (ev->key()) {
 746         case Qt::Key_Return:
 747         case Qt::Key_Enter:
 748                 if (item->goParent) {
 749                         emit parentSelected();
 750                         break;
 751                 }
 752                 menu = item->menu;
 753                 if (!menu)
 754                         break;
 755                 type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 756                 if (type == P_MENU && rootEntry != menu &&
 757                     mode != fullMode && mode != menuMode) {
 758                         if (mode == menuMode)
 759                                 emit menuSelected(menu);
 760                         else
 761                                 emit itemSelected(menu);
 762                         break;
 763                 }
 764         case Qt::Key_Space:
 765                 changeValue(item);
 766                 break;
 767         case Qt::Key_N:
 768                 setValue(item, no);
 769                 break;
 770         case Qt::Key_M:
 771                 setValue(item, mod);
 772                 break;
 773         case Qt::Key_Y:
 774                 setValue(item, yes);
 775                 break;
 776         default:
 777                 Parent::keyPressEvent(ev);
 778                 return;
 779         }
 780         ev->accept();
 781 }
 782
 783 void ConfigList::mousePressEvent(QMouseEvent* e)
 784 {
 785         //QPoint p(contentsToViewport(e->pos()));
 786         //printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
 787         Parent::mousePressEvent(e);
 788 }
 789
 790 void ConfigList::mouseReleaseEvent(QMouseEvent* e)
 791 {
 792         QPoint p = e->pos();
 793         ConfigItem* item = (ConfigItem*)itemAt(p);
 794         struct menu *menu;
 795         enum prop_type ptype;
 796         QIcon icon;
 797         int idx, x;
 798
 799         if (!item)
 800                 goto skip;
 801
 802         menu = item->menu;
 803         x = header()->offset() + p.x();
 804         idx = header()->logicalIndexAt(x);
 805         switch (idx) {
 806         case promptColIdx:
 807                 icon = item->icon(promptColIdx);
 808                 if (!icon.isNull()) {
 809                         int off = header()->sectionPosition(0) + visualRect(indexAt(p)).x() + 4; // 4 is Hardcoded image offset. There might be a way to do it properly.
 810                         if (x >= off && x < off + icon.availableSizes().first().width()) {
 811                                 if (item->goParent) {
 812                                         emit parentSelected();
 813                                         break;
 814                                 } else if (!menu)
 815                                         break;
 816                                 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 817                                 if (ptype == P_MENU && rootEntry != menu &&
 818                                     mode != fullMode && mode != menuMode &&
 819                                     mode != listMode)
 820                                         emit menuSelected(menu);
 821                                 else
 822                                         changeValue(item);
 823                         }
 824                 }
 825                 break;
 826         case dataColIdx:
 827                 changeValue(item);
 828                 break;
 829         }
 830
 831 skip:
 832         //printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
 833         Parent::mouseReleaseEvent(e);
 834 }
 835
 836 void ConfigList::mouseMoveEvent(QMouseEvent* e)
 837 {
 838         //QPoint p(contentsToViewport(e->pos()));
 839         //printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
 840         Parent::mouseMoveEvent(e);
 841 }
 842
 843 void ConfigList::mouseDoubleClickEvent(QMouseEvent* e)
 844 {
 845         QPoint p = e->pos();
 846         ConfigItem* item = (ConfigItem*)itemAt(p);
 847         struct menu *menu;
 848         enum prop_type ptype;
 849
 850         if (!item)
 851                 goto skip;
 852         if (item->goParent) {
 853                 emit parentSelected();
 854                 goto skip;
 855         }
 856         menu = item->menu;
 857         if (!menu)
 858                 goto skip;
 859         ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 860         if (ptype == P_MENU && mode != listMode) {
 861                 if (mode == singleMode)
 862                         emit itemSelected(menu);
 863                 else if (mode == symbolMode)
 864                         emit menuSelected(menu);
 865         } else if (menu->sym)
 866                 changeValue(item);
 867
 868 skip:
 869         //printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
 870         Parent::mouseDoubleClickEvent(e);
 871 }
 872
 873 void ConfigList::focusInEvent(QFocusEvent *e)
 874 {
 875         struct menu *menu = NULL;
 876
 877         Parent::focusInEvent(e);
 878
 879         ConfigItem* item = (ConfigItem *)currentItem();
 880         if (item) {
 881                 setSelected(item, true);
 882                 menu = item->menu;
 883         }
 884         emit gotFocus(menu);
 885 }
 886
 887 void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 888 {
 889         if (!headerPopup) {
 890                 QAction *action;
 891
 892                 headerPopup = new QMenu(this);
 893                 action = new QAction("Show Name", this);
 894                 action->setCheckable(true);
 895                 connect(action, &QAction::toggled,
 896                         this, &ConfigList::setShowName);
 897                 connect(this, &ConfigList::showNameChanged,
 898                         action, &QAction::setChecked);
 899                 action->setChecked(showName);
 900                 headerPopup->addAction(action);
 901         }
 902
 903         headerPopup->exec(e->globalPos());
 904         e->accept();
 905 }
 906
 907 void ConfigList::setShowName(bool on)
 908 {
 909         if (showName == on)
 910                 return;
 911
 912         showName = on;
 913         reinit();
 914         emit showNameChanged(on);
 915 }
 916
 917 QList<ConfigList *> ConfigList::allLists;
 918 QAction *ConfigList::showNormalAction;
 919 QAction *ConfigList::showAllAction;
 920 QAction *ConfigList::showPromptAction;
 921
 922 void ConfigList::setAllOpen(bool open)
 923 {
 924         QTreeWidgetItemIterator it(this);
 925
 926         while (*it) {
 927                 (*it)->setExpanded(open);
 928
 929                 ++it;
 930         }
 931 }
 932
 933 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
 934         : Parent(parent), sym(0), _menu(0)
 935 {
 936         setObjectName(name);
 937         setOpenLinks(false);
 938
 939         if (!objectName().isEmpty()) {
 940                 configSettings->beginGroup(objectName());
 941                 setShowDebug(configSettings->value("/showDebug", false).toBool());
 942                 configSettings->endGroup();
 943                 connect(configApp, &QApplication::aboutToQuit,
 944                         this, &ConfigInfoView::saveSettings);
 945         }
 946
 947         contextMenu = createStandardContextMenu();
 948         QAction *action = new QAction("Show Debug Info", contextMenu);
 949
 950         action->setCheckable(true);
 951         connect(action, &QAction::toggled,
 952                 this, &ConfigInfoView::setShowDebug);
 953         connect(this, &ConfigInfoView::showDebugChanged,
 954                 action, &QAction::setChecked);
 955         action->setChecked(showDebug());
 956         contextMenu->addSeparator();
 957         contextMenu->addAction(action);
 958 }
 959
 960 void ConfigInfoView::saveSettings(void)
 961 {
 962         if (!objectName().isEmpty()) {
 963                 configSettings->beginGroup(objectName());
 964                 configSettings->setValue("/showDebug", showDebug());
 965                 configSettings->endGroup();
 966         }
 967 }
 968
 969 void ConfigInfoView::setShowDebug(bool b)
 970 {
 971         if (_showDebug != b) {
 972                 _showDebug = b;
 973                 if (_menu)
 974                         menuInfo();
 975                 else if (sym)
 976                         symbolInfo();
 977                 emit showDebugChanged(b);
 978         }
 979 }
 980
 981 void ConfigInfoView::setInfo(struct menu *m)
 982 {
 983         if (_menu == m)
 984                 return;
 985         _menu = m;
 986         sym = NULL;
 987         if (!_menu)
 988                 clear();
 989         else
 990                 menuInfo();
 991 }
 992
 993 void ConfigInfoView::symbolInfo(void)
 994 {
 995         QString str;
 996
 997         str += "<big>Symbol: <b>";
 998         str += print_filter(sym->name);
 999         str += "</b></big><br><br>value: ";
1000         str += print_filter(sym_get_string_value(sym));
1001         str += "<br>visibility: ";
1002         str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
1003         str += "<br>";
1004         str += debug_info(sym);
1005
1006         setText(str);
1007 }
1008
1009 void ConfigInfoView::menuInfo(void)
1010 {
1011         struct symbol* sym;
1012         QString info;
1013         QTextStream stream(&info);
1014
1015         sym = _menu->sym;
1016         if (sym) {
1017                 if (_menu->prompt) {
1018                         stream << "<big><b>";
1019                         stream << print_filter(_menu->prompt->text);
1020                         stream << "</b></big>";
1021                         if (sym->name) {
1022                                 stream << " (";
1023                                 if (showDebug())
1024                                         stream << "<a href=\"s" << sym->name << "\">";
1025                                 stream << print_filter(sym->name);
1026                                 if (showDebug())
1027                                         stream << "</a>";
1028                                 stream << ")";
1029                         }
1030                 } else if (sym->name) {
1031                         stream << "<big><b>";
1032                         if (showDebug())
1033                                 stream << "<a href=\"s" << sym->name << "\">";
1034                         stream << print_filter(sym->name);
1035                         if (showDebug())
1036                                 stream << "</a>";
1037                         stream << "</b></big>";
1038                 }
1039                 stream << "<br><br>";
1040
1041                 if (showDebug())
1042                         stream << debug_info(sym);
1043
1044                 struct gstr help_gstr = str_new();
1045
1046                 menu_get_ext_help(_menu, &help_gstr);
1047                 stream << print_filter(str_get(&help_gstr));
1048                 str_free(&help_gstr);
1049         } else if (_menu->prompt) {
1050                 stream << "<big><b>";
1051                 stream << print_filter(_menu->prompt->text);
1052                 stream << "</b></big><br><br>";
1053                 if (showDebug()) {
1054                         if (_menu->prompt->visible.expr) {
1055                                 stream << "&nbsp;&nbsp;dep: ";
1056                                 expr_print(_menu->prompt->visible.expr,
1057                                            expr_print_help, &stream, E_NONE);
1058                                 stream << "<br><br>";
1059                         }
1060
1061                         stream << "defined at " << _menu->file->name << ":"
1062                                << _menu->lineno << "<br><br>";
1063                 }
1064         }
1065
1066         setText(info);
1067 }
1068
1069 QString ConfigInfoView::debug_info(struct symbol *sym)
1070 {
1071         QString debug;
1072         QTextStream stream(&debug);
1073
1074         stream << "type: ";
1075         stream << print_filter(sym_type_name(sym->type));
1076         if (sym_is_choice(sym))
1077                 stream << " (choice)";
1078         debug += "<br>";
1079         if (sym->rev_dep.expr) {
1080                 stream << "reverse dep: ";
1081                 expr_print(sym->rev_dep.expr, expr_print_help, &stream, E_NONE);
1082                 stream << "<br>";
1083         }
1084         for (struct property *prop = sym->prop; prop; prop = prop->next) {
1085                 switch (prop->type) {
1086                 case P_PROMPT:
1087                 case P_MENU:
1088                         stream << "prompt: <a href=\"m" << sym->name << "\">";
1089                         stream << print_filter(prop->text);
1090                         stream << "</a><br>";
1091                         break;
1092                 case P_DEFAULT:
1093                 case P_SELECT:
1094                 case P_RANGE:
1095                 case P_COMMENT:
1096                 case P_IMPLY:
1097                 case P_SYMBOL:
1098                         stream << prop_get_type_name(prop->type);
1099                         stream << ": ";
1100                         expr_print(prop->expr, expr_print_help,
1101                                    &stream, E_NONE);
1102                         stream << "<br>";
1103                         break;
1104                 case P_CHOICE:
1105                         if (sym_is_choice(sym)) {
1106                                 stream << "choice: ";
1107                                 expr_print(prop->expr, expr_print_help,
1108                                            &stream, E_NONE);
1109                                 stream << "<br>";
1110                         }
1111                         break;
1112                 default:
1113                         stream << "unknown property: ";
1114                         stream << prop_get_type_name(prop->type);
1115                         stream << "<br>";
1116                 }
1117                 if (prop->visible.expr) {
1118                         stream << "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
1119                         expr_print(prop->visible.expr, expr_print_help,
1120                                    &stream, E_NONE);
1121                         stream << "<br>";
1122                 }
1123         }
1124         stream << "<br>";
1125
1126         return debug;
1127 }
1128
1129 QString ConfigInfoView::print_filter(const QString &str)
1130 {
1131         QRegExp re("[<>&\"\\n]");
1132         QString res = str;
1133         for (int i = 0; (i = res.indexOf(re, i)) >= 0;) {
1134                 switch (res[i].toLatin1()) {
1135                 case '<':
1136                         res.replace(i, 1, "&lt;");
1137                         i += 4;
1138                         break;
1139                 case '>':
1140                         res.replace(i, 1, "&gt;");
1141                         i += 4;
1142                         break;
1143                 case '&':
1144                         res.replace(i, 1, "&amp;");
1145                         i += 5;
1146                         break;
1147                 case '"':
1148                         res.replace(i, 1, "&quot;");
1149                         i += 6;
1150                         break;
1151                 case '\n':
1152                         res.replace(i, 1, "<br>");
1153                         i += 4;
1154                         break;
1155                 }
1156         }
1157         return res;
1158 }
1159
1160 void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
1161 {
1162         QTextStream *stream = reinterpret_cast<QTextStream *>(data);
1163
1164         if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
1165                 *stream << "<a href=\"s" << sym->name << "\">";
1166                 *stream << print_filter(str);
1167                 *stream << "</a>";
1168         } else {
1169                 *stream << print_filter(str);
1170         }
1171 }
1172
1173 void ConfigInfoView::clicked(const QUrl &url)
1174 {
1175         QByteArray str = url.toEncoded();
1176         const std::size_t count = str.size();
1177         char *data = new char[count + 1];
1178         struct symbol **result;
1179         struct menu *m = NULL;
1180
1181         if (count < 1) {
1182                 delete[] data;
1183                 return;
1184         }
1185
1186         memcpy(data, str.constData(), count);
1187         data[count] = '\0';
1188
1189         /* Seek for exact match */
1190         data[0] = '^';
1191         strcat(data, "$");
1192         result = sym_re_search(data);
1193         if (!result) {
1194                 delete[] data;
1195                 return;
1196         }
1197
1198         sym = *result;
1199
1200         /* Seek for the menu which holds the symbol */
1201         for (struct property *prop = sym->prop; prop; prop = prop->next) {
1202                     if (prop->type != P_PROMPT && prop->type != P_MENU)
1203                             continue;
1204                     m = prop->menu;
1205                     break;
1206         }
1207
1208         if (!m) {
1209                 /* Symbol is not visible as a menu */
1210                 symbolInfo();
1211                 emit showDebugChanged(true);
1212         } else {
1213                 emit menuSelected(m);
1214         }
1215
1216         free(result);
1217         delete[] data;
1218 }
1219
1220 void ConfigInfoView::contextMenuEvent(QContextMenuEvent *event)
1221 {
1222         contextMenu->popup(event->globalPos());
1223         event->accept();
1224 }
1225
1226 ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow *parent)
1227         : Parent(parent), result(NULL)
1228 {
1229         setObjectName("search");
1230         setWindowTitle("Search Config");
1231
1232         QVBoxLayout* layout1 = new QVBoxLayout(this);
1233         layout1->setContentsMargins(11, 11, 11, 11);
1234         layout1->setSpacing(6);
1235
1236         QHBoxLayout* layout2 = new QHBoxLayout();
1237         layout2->setContentsMargins(0, 0, 0, 0);
1238         layout2->setSpacing(6);
1239         layout2->addWidget(new QLabel("Find:", this));
1240         editField = new QLineEdit(this);
1241         connect(editField, &QLineEdit::returnPressed,
1242                 this, &ConfigSearchWindow::search);
1243         layout2->addWidget(editField);
1244         searchButton = new QPushButton("Search", this);
1245         searchButton->setAutoDefault(false);
1246         connect(searchButton, &QPushButton::clicked,
1247                 this, &ConfigSearchWindow::search);
1248         layout2->addWidget(searchButton);
1249         layout1->addLayout(layout2);
1250
1251         split = new QSplitter(this);
1252         split->setOrientation(Qt::Vertical);
1253         list = new ConfigList(split, "search");
1254         list->mode = listMode;
1255         info = new ConfigInfoView(split, "search");
1256         connect(list, &ConfigList::menuChanged,
1257                 info, &ConfigInfoView::setInfo);
1258         connect(list, &ConfigList::menuChanged,
1259                 parent, &ConfigMainWindow::setMenuLink);
1260
1261         layout1->addWidget(split);
1262
1263         QVariant x, y;
1264         int width, height;
1265         bool ok;
1266
1267         configSettings->beginGroup("search");
1268         width = configSettings->value("/window width", parent->width() / 2).toInt();
1269         height = configSettings->value("/window height", parent->height() / 2).toInt();
1270         resize(width, height);
1271         x = configSettings->value("/window x");
1272         y = configSettings->value("/window y");
1273         if (x.isValid() && y.isValid())
1274                 move(x.toInt(), y.toInt());
1275         QList<int> sizes = configSettings->readSizes("/split", &ok);
1276         if (ok)
1277                 split->setSizes(sizes);
1278         configSettings->endGroup();
1279         connect(configApp, &QApplication::aboutToQuit,
1280                 this, &ConfigSearchWindow::saveSettings);
1281 }
1282
1283 void ConfigSearchWindow::saveSettings(void)
1284 {
1285         if (!objectName().isEmpty()) {
1286                 configSettings->beginGroup(objectName());
1287                 configSettings->setValue("/window x", pos().x());
1288                 configSettings->setValue("/window y", pos().y());
1289                 configSettings->setValue("/window width", size().width());
1290                 configSettings->setValue("/window height", size().height());
1291                 configSettings->writeSizes("/split", split->sizes());
1292                 configSettings->endGroup();
1293         }
1294 }
1295
1296 void ConfigSearchWindow::search(void)
1297 {
1298         struct symbol **p;
1299         struct property *prop;
1300         ConfigItem *lastItem = NULL;
1301
1302         free(result);
1303         list->clear();
1304         info->clear();
1305
1306         result = sym_re_search(editField->text().toLatin1());
1307         if (!result)
1308                 return;
1309         for (p = result; *p; p++) {
1310                 for_all_prompts((*p), prop)
1311                         lastItem = new ConfigItem(list, lastItem, prop->menu,
1312                                                   menu_is_visible(prop->menu));
1313         }
1314 }
1315
1316 /*
1317  * Construct the complete config widget
1318  */
1319 ConfigMainWindow::ConfigMainWindow(void)
1320         : searchWindow(0)
1321 {
1322         bool ok = true;
1323         QVariant x, y;
1324         int width, height;
1325         char title[256];
1326
1327         QDesktopWidget *d = configApp->desktop();
1328         snprintf(title, sizeof(title), "%s%s",
1329                 rootmenu.prompt->text,
1330                 ""
1331                 );
1332         setWindowTitle(title);
1333
1334         width = configSettings->value("/window width", d->width() - 64).toInt();
1335         height = configSettings->value("/window height", d->height() - 64).toInt();
1336         resize(width, height);
1337         x = configSettings->value("/window x");
1338         y = configSettings->value("/window y");
1339         if ((x.isValid())&&(y.isValid()))
1340                 move(x.toInt(), y.toInt());
1341
1342         // set up icons
1343         ConfigItem::symbolYesIcon = QIcon(QPixmap(xpm_symbol_yes));
1344         ConfigItem::symbolModIcon = QIcon(QPixmap(xpm_symbol_mod));
1345         ConfigItem::symbolNoIcon = QIcon(QPixmap(xpm_symbol_no));
1346         ConfigItem::choiceYesIcon = QIcon(QPixmap(xpm_choice_yes));
1347         ConfigItem::choiceNoIcon = QIcon(QPixmap(xpm_choice_no));
1348         ConfigItem::menuIcon = QIcon(QPixmap(xpm_menu));
1349         ConfigItem::menubackIcon = QIcon(QPixmap(xpm_menuback));
1350
1351         QWidget *widget = new QWidget(this);
1352         QVBoxLayout *layout = new QVBoxLayout(widget);
1353         setCentralWidget(widget);
1354
1355         split1 = new QSplitter(widget);
1356         split1->setOrientation(Qt::Horizontal);
1357         split1->setChildrenCollapsible(false);
1358
1359         menuList = new ConfigList(widget, "menu");
1360
1361         split2 = new QSplitter(widget);
1362         split2->setChildrenCollapsible(false);
1363         split2->setOrientation(Qt::Vertical);
1364
1365         // create config tree
1366         configList = new ConfigList(widget, "config");
1367
1368         helpText = new ConfigInfoView(widget, "help");
1369
1370         layout->addWidget(split2);
1371         split2->addWidget(split1);
1372         split1->addWidget(configList);
1373         split1->addWidget(menuList);
1374         split2->addWidget(helpText);
1375
1376         setTabOrder(configList, helpText);
1377         configList->setFocus();
1378
1379         backAction = new QAction(QPixmap(xpm_back), "Back", this);
1380         connect(backAction, &QAction::triggered,
1381                 this, &ConfigMainWindow::goBack);
1382
1383         QAction *quitAction = new QAction("&Quit", this);
1384         quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
1385         connect(quitAction, &QAction::triggered,
1386                 this, &ConfigMainWindow::close);
1387
1388         QAction *loadAction = new QAction(QPixmap(xpm_load), "&Load", this);
1389         loadAction->setShortcut(Qt::CTRL + Qt::Key_L);
1390         connect(loadAction, &QAction::triggered,
1391                 this, &ConfigMainWindow::loadConfig);
1392
1393         saveAction = new QAction(QPixmap(xpm_save), "&Save", this);
1394         saveAction->setShortcut(Qt::CTRL + Qt::Key_S);
1395         connect(saveAction, &QAction::triggered,
1396                 this, &ConfigMainWindow::saveConfig);
1397
1398         conf_set_changed_callback(conf_changed);
1399
1400         // Set saveAction's initial state
1401         conf_changed();
1402         configname = xstrdup(conf_get_configname());
1403
1404         QAction *saveAsAction = new QAction("Save &As...", this);
1405         connect(saveAsAction, &QAction::triggered,
1406                 this, &ConfigMainWindow::saveConfigAs);
1407         QAction *searchAction = new QAction("&Find", this);
1408         searchAction->setShortcut(Qt::CTRL + Qt::Key_F);
1409         connect(searchAction, &QAction::triggered,
1410                 this, &ConfigMainWindow::searchConfig);
1411         singleViewAction = new QAction(QPixmap(xpm_single_view), "Single View", this);
1412         singleViewAction->setCheckable(true);
1413         connect(singleViewAction, &QAction::triggered,
1414                 this, &ConfigMainWindow::showSingleView);
1415         splitViewAction = new QAction(QPixmap(xpm_split_view), "Split View", this);
1416         splitViewAction->setCheckable(true);
1417         connect(splitViewAction, &QAction::triggered,
1418                 this, &ConfigMainWindow::showSplitView);
1419         fullViewAction = new QAction(QPixmap(xpm_tree_view), "Full View", this);
1420         fullViewAction->setCheckable(true);
1421         connect(fullViewAction, &QAction::triggered,
1422                 this, &ConfigMainWindow::showFullView);
1423
1424         QAction *showNameAction = new QAction("Show Name", this);
1425           showNameAction->setCheckable(true);
1426         connect(showNameAction, &QAction::toggled,
1427                 configList, &ConfigList::setShowName);
1428         showNameAction->setChecked(configList->showName);
1429
1430         QActionGroup *optGroup = new QActionGroup(this);
1431         optGroup->setExclusive(true);
1432         connect(optGroup, &QActionGroup::triggered,
1433                 configList, &ConfigList::setOptionMode);
1434         connect(optGroup, &QActionGroup::triggered,
1435                 menuList, &ConfigList::setOptionMode);
1436
1437         ConfigList::showNormalAction = new QAction("Show Normal Options", optGroup);
1438         ConfigList::showNormalAction->setCheckable(true);
1439         ConfigList::showAllAction = new QAction("Show All Options", optGroup);
1440         ConfigList::showAllAction->setCheckable(true);
1441         ConfigList::showPromptAction = new QAction("Show Prompt Options", optGroup);
1442         ConfigList::showPromptAction->setCheckable(true);
1443
1444         QAction *showDebugAction = new QAction("Show Debug Info", this);
1445           showDebugAction->setCheckable(true);
1446         connect(showDebugAction, &QAction::toggled,
1447                 helpText, &ConfigInfoView::setShowDebug);
1448           showDebugAction->setChecked(helpText->showDebug());
1449
1450         QAction *showIntroAction = new QAction("Introduction", this);
1451         connect(showIntroAction, &QAction::triggered,
1452                 this, &ConfigMainWindow::showIntro);
1453         QAction *showAboutAction = new QAction("About", this);
1454         connect(showAboutAction, &QAction::triggered,
1455                 this, &ConfigMainWindow::showAbout);
1456
1457         // init tool bar
1458         QToolBar *toolBar = addToolBar("Tools");
1459         toolBar->addAction(backAction);
1460         toolBar->addSeparator();
1461         toolBar->addAction(loadAction);
1462         toolBar->addAction(saveAction);
1463         toolBar->addSeparator();
1464         toolBar->addAction(singleViewAction);
1465         toolBar->addAction(splitViewAction);
1466         toolBar->addAction(fullViewAction);
1467
1468         // create file menu
1469         QMenu *menu = menuBar()->addMenu("&File");
1470         menu->addAction(loadAction);
1471         menu->addAction(saveAction);
1472         menu->addAction(saveAsAction);
1473         menu->addSeparator();
1474         menu->addAction(quitAction);
1475
1476         // create edit menu
1477         menu = menuBar()->addMenu("&Edit");
1478         menu->addAction(searchAction);
1479
1480         // create options menu
1481         menu = menuBar()->addMenu("&Option");
1482         menu->addAction(showNameAction);
1483         menu->addSeparator();
1484         menu->addActions(optGroup->actions());
1485         menu->addSeparator();
1486         menu->addAction(showDebugAction);
1487
1488         // create help menu
1489         menu = menuBar()->addMenu("&Help");
1490         menu->addAction(showIntroAction);
1491         menu->addAction(showAboutAction);
1492
1493         connect(helpText, &ConfigInfoView::anchorClicked,
1494                 helpText, &ConfigInfoView::clicked);
1495
1496         connect(configList, &ConfigList::menuChanged,
1497                 helpText, &ConfigInfoView::setInfo);
1498         connect(configList, &ConfigList::menuSelected,
1499                 this, &ConfigMainWindow::changeMenu);
1500         connect(configList, &ConfigList::itemSelected,
1501                 this, &ConfigMainWindow::changeItens);
1502         connect(configList, &ConfigList::parentSelected,
1503                 this, &ConfigMainWindow::goBack);
1504         connect(menuList, &ConfigList::menuChanged,
1505                 helpText, &ConfigInfoView::setInfo);
1506         connect(menuList, &ConfigList::menuSelected,
1507                 this, &ConfigMainWindow::changeMenu);
1508
1509         connect(configList, &ConfigList::gotFocus,
1510                 helpText, &ConfigInfoView::setInfo);
1511         connect(menuList, &ConfigList::gotFocus,
1512                 helpText, &ConfigInfoView::setInfo);
1513         connect(menuList, &ConfigList::gotFocus,
1514                 this, &ConfigMainWindow::listFocusChanged);
1515         connect(helpText, &ConfigInfoView::menuSelected,
1516                 this, &ConfigMainWindow::setMenuLink);
1517
1518         QString listMode = configSettings->value("/listMode", "symbol").toString();
1519         if (listMode == "single")
1520                 showSingleView();
1521         else if (listMode == "full")
1522                 showFullView();
1523         else /*if (listMode == "split")*/
1524                 showSplitView();
1525
1526         // UI setup done, restore splitter positions
1527         QList<int> sizes = configSettings->readSizes("/split1", &ok);
1528         if (ok)
1529                 split1->setSizes(sizes);
1530
1531         sizes = configSettings->readSizes("/split2", &ok);
1532         if (ok)
1533                 split2->setSizes(sizes);
1534 }
1535
1536 void ConfigMainWindow::loadConfig(void)
1537 {
1538         QString str;
1539         QByteArray ba;
1540         const char *name;
1541
1542         str = QFileDialog::getOpenFileName(this, "", configname);
1543         if (str.isNull())
1544                 return;
1545
1546         ba = str.toLocal8Bit();
1547         name = ba.data();
1548
1549         if (conf_read(name))
1550                 QMessageBox::information(this, "qconf", "Unable to load configuration!");
1551
1552         free(configname);
1553         configname = xstrdup(name);
1554
1555         ConfigList::updateListAllForAll();
1556 }
1557
1558 bool ConfigMainWindow::saveConfig(void)
1559 {
1560         if (conf_write(configname)) {
1561                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1562                 return false;
1563         }
1564         conf_write_autoconf(0);
1565
1566         return true;
1567 }
1568
1569 void ConfigMainWindow::saveConfigAs(void)
1570 {
1571         QString str;
1572         QByteArray ba;
1573         const char *name;
1574
1575         str = QFileDialog::getSaveFileName(this, "", configname);
1576         if (str.isNull())
1577                 return;
1578
1579         ba = str.toLocal8Bit();
1580         name = ba.data();
1581
1582         if (conf_write(name)) {
1583                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1584         }
1585         conf_write_autoconf(0);
1586
1587         free(configname);
1588         configname = xstrdup(name);
1589 }
1590
1591 void ConfigMainWindow::searchConfig(void)
1592 {
1593         if (!searchWindow)
1594                 searchWindow = new ConfigSearchWindow(this);
1595         searchWindow->show();
1596 }
1597
1598 void ConfigMainWindow::changeItens(struct menu *menu)
1599 {
1600         configList->setRootMenu(menu);
1601 }
1602
1603 void ConfigMainWindow::changeMenu(struct menu *menu)
1604 {
1605         menuList->setRootMenu(menu);
1606 }
1607
1608 void ConfigMainWindow::setMenuLink(struct menu *menu)
1609 {
1610         struct menu *parent;
1611         ConfigList* list = NULL;
1612         ConfigItem* item;
1613
1614         if (configList->menuSkip(menu))
1615                 return;
1616
1617         switch (configList->mode) {
1618         case singleMode:
1619                 list = configList;
1620                 parent = menu_get_parent_menu(menu);
1621                 if (!parent)
1622                         return;
1623                 list->setRootMenu(parent);
1624                 break;
1625         case menuMode:
1626                 if (menu->flags & MENU_ROOT) {
1627                         menuList->setRootMenu(menu);
1628                         configList->clearSelection();
1629                         list = configList;
1630                 } else {
1631                         parent = menu_get_parent_menu(menu->parent);
1632                         if (!parent)
1633                                 return;
1634
1635                         /* Select the config view */
1636                         item = configList->findConfigItem(parent);
1637                         if (item) {
1638                                 configList->setSelected(item, true);
1639                                 configList->scrollToItem(item);
1640                         }
1641
1642                         menuList->setRootMenu(parent);
1643                         menuList->clearSelection();
1644                         list = menuList;
1645                 }
1646                 break;
1647         case fullMode:
1648                 list = configList;
1649                 break;
1650         default:
1651                 break;
1652         }
1653
1654         if (list) {
1655                 item = list->findConfigItem(menu);
1656                 if (item) {
1657                         list->setSelected(item, true);
1658                         list->scrollToItem(item);
1659                         list->setFocus();
1660                         helpText->setInfo(menu);
1661                 }
1662         }
1663 }
1664
1665 void ConfigMainWindow::listFocusChanged(void)
1666 {
1667         if (menuList->mode == menuMode)
1668                 configList->clearSelection();
1669 }
1670
1671 void ConfigMainWindow::goBack(void)
1672 {
1673         if (configList->rootEntry == &rootmenu)
1674                 return;
1675
1676         configList->setParentMenu();
1677 }
1678
1679 void ConfigMainWindow::showSingleView(void)
1680 {
1681         singleViewAction->setEnabled(false);
1682         singleViewAction->setChecked(true);
1683         splitViewAction->setEnabled(true);
1684         splitViewAction->setChecked(false);
1685         fullViewAction->setEnabled(true);
1686         fullViewAction->setChecked(false);
1687
1688         backAction->setEnabled(true);
1689
1690         menuList->hide();
1691         menuList->setRootMenu(0);
1692         configList->mode = singleMode;
1693         if (configList->rootEntry == &rootmenu)
1694                 configList->updateListAll();
1695         else
1696                 configList->setRootMenu(&rootmenu);
1697         configList->setFocus();
1698 }
1699
1700 void ConfigMainWindow::showSplitView(void)
1701 {
1702         singleViewAction->setEnabled(true);
1703         singleViewAction->setChecked(false);
1704         splitViewAction->setEnabled(false);
1705         splitViewAction->setChecked(true);
1706         fullViewAction->setEnabled(true);
1707         fullViewAction->setChecked(false);
1708
1709         backAction->setEnabled(false);
1710
1711         configList->mode = menuMode;
1712         if (configList->rootEntry == &rootmenu)
1713                 configList->updateListAll();
1714         else
1715                 configList->setRootMenu(&rootmenu);
1716         configList->setAllOpen(true);
1717         configApp->processEvents();
1718         menuList->mode = symbolMode;
1719         menuList->setRootMenu(&rootmenu);
1720         menuList->setAllOpen(true);
1721         menuList->show();
1722         menuList->setFocus();
1723 }
1724
1725 void ConfigMainWindow::showFullView(void)
1726 {
1727         singleViewAction->setEnabled(true);
1728         singleViewAction->setChecked(false);
1729         splitViewAction->setEnabled(true);
1730         splitViewAction->setChecked(false);
1731         fullViewAction->setEnabled(false);
1732         fullViewAction->setChecked(true);
1733
1734         backAction->setEnabled(false);
1735
1736         menuList->hide();
1737         menuList->setRootMenu(0);
1738         configList->mode = fullMode;
1739         if (configList->rootEntry == &rootmenu)
1740                 configList->updateListAll();
1741         else
1742                 configList->setRootMenu(&rootmenu);
1743         configList->setFocus();
1744 }
1745
1746 /*
1747  * ask for saving configuration before quitting
1748  */
1749 void ConfigMainWindow::closeEvent(QCloseEvent* e)
1750 {
1751         if (!conf_get_changed()) {
1752                 e->accept();
1753                 return;
1754         }
1755         QMessageBox mb("qconf", "Save configuration?", QMessageBox::Warning,
1756                         QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
1757         mb.setButtonText(QMessageBox::Yes, "&Save Changes");
1758         mb.setButtonText(QMessageBox::No, "&Discard Changes");
1759         mb.setButtonText(QMessageBox::Cancel, "Cancel Exit");
1760         switch (mb.exec()) {
1761         case QMessageBox::Yes:
1762                 if (saveConfig())
1763                         e->accept();
1764                 else
1765                         e->ignore();
1766                 break;
1767         case QMessageBox::No:
1768                 e->accept();
1769                 break;
1770         case QMessageBox::Cancel:
1771                 e->ignore();
1772                 break;
1773         }
1774 }
1775
1776 void ConfigMainWindow::showIntro(void)
1777 {
1778         static const QString str =
1779                 "Welcome to the qconf graphical configuration tool.\n"
1780                 "\n"
1781                 "For bool and tristate options, a blank box indicates the "
1782                 "feature is disabled, a check indicates it is enabled, and a "
1783                 "dot indicates that it is to be compiled as a module. Clicking "
1784                 "on the box will cycle through the three states. For int, hex, "
1785                 "and string options, double-clicking or pressing F2 on the "
1786                 "Value cell will allow you to edit the value.\n"
1787                 "\n"
1788                 "If you do not see an option (e.g., a device driver) that you "
1789                 "believe should be present, try turning on Show All Options "
1790                 "under the Options menu. Enabling Show Debug Info will help you"
1791                 "figure out what other options must be enabled to support the "
1792                 "option you are interested in, and hyperlinks will navigate to "
1793                 "them.\n"
1794                 "\n"
1795                 "Toggling Show Debug Info under the Options menu will show the "
1796                 "dependencies, which you can then match by examining other "
1797                 "options.\n";
1798
1799         QMessageBox::information(this, "qconf", str);
1800 }
1801
1802 void ConfigMainWindow::showAbout(void)
1803 {
1804         static const QString str = "qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n"
1805                 "Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com>.\n"
1806                 "\n"
1807                 "Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n"
1808                 "\n"
1809                 "Qt Version: ";
1810
1811         QMessageBox::information(this, "qconf", str + qVersion());
1812 }
1813
1814 void ConfigMainWindow::saveSettings(void)
1815 {
1816         configSettings->setValue("/window x", pos().x());
1817         configSettings->setValue("/window y", pos().y());
1818         configSettings->setValue("/window width", size().width());
1819         configSettings->setValue("/window height", size().height());
1820
1821         QString entry;
1822         switch(configList->mode) {
1823         case singleMode :
1824                 entry = "single";
1825                 break;
1826
1827         case symbolMode :
1828                 entry = "split";
1829                 break;
1830
1831         case fullMode :
1832                 entry = "full";
1833                 break;
1834
1835         default:
1836                 break;
1837         }
1838         configSettings->setValue("/listMode", entry);
1839
1840         configSettings->writeSizes("/split1", split1->sizes());
1841         configSettings->writeSizes("/split2", split2->sizes());
1842 }
1843
1844 void ConfigMainWindow::conf_changed(void)
1845 {
1846         if (saveAction)
1847                 saveAction->setEnabled(conf_get_changed());
1848 }
1849
1850 void fixup_rootmenu(struct menu *menu)
1851 {
1852         struct menu *child;
1853         static int menu_cnt = 0;
1854
1855         menu->flags |= MENU_ROOT;
1856         for (child = menu->list; child; child = child->next) {
1857                 if (child->prompt && child->prompt->type == P_MENU) {
1858                         menu_cnt++;
1859                         fixup_rootmenu(child);
1860                         menu_cnt--;
1861                 } else if (!menu_cnt)
1862                         fixup_rootmenu(child);
1863         }
1864 }
1865
1866 static const char *progname;
1867
1868 static void usage(void)
1869 {
1870         printf("%s [-s] <config>\n", progname);
1871         exit(0);
1872 }
1873
1874 int main(int ac, char** av)
1875 {
1876         ConfigMainWindow* v;
1877         const char *name;
1878
1879         progname = av[0];
1880         if (ac > 1 && av[1][0] == '-') {
1881                 switch (av[1][1]) {
1882                 case 's':
1883                         conf_set_message_callback(NULL);
1884                         break;
1885                 case 'h':
1886                 case '?':
1887                         usage();
1888                 }
1889                 name = av[2];
1890         } else
1891                 name = av[1];
1892         if (!name)
1893                 usage();
1894
1895         conf_parse(name);
1896         fixup_rootmenu(&rootmenu);
1897         conf_read(NULL);
1898         //zconfdump(stdout);
1899
1900         configApp = new QApplication(ac, av);
1901
1902         configSettings = new ConfigSettings();
1903         configSettings->beginGroup("/kconfig/qconf");
1904         v = new ConfigMainWindow();
1905
1906         //zconfdump(stdout);
1907         configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
1908         configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
1909         v->show();
1910         configApp->exec();
1911
1912         configSettings->endGroup();
1913         delete configSettings;
1914         delete v;
1915         delete configApp;
1916
1917         return 0;
1918 }