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