scripts/kconfig/qconf.cc

   1 /*
   2  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
   3  * Released under the terms of the GNU GPL v2.0.
   4  */
   5
   6 #include <qapplication.h>
   7 #include <qmainwindow.h>
   8 #include <qtoolbar.h>
   9 #include <qlayout.h>
  10 #include <qvbox.h>
  11 #include <qsplitter.h>
  12 #include <qlistview.h>
  13 #include <qtextbrowser.h>
  14 #include <qlineedit.h>
  15 #include <qlabel.h>
  16 #include <qpushbutton.h>
  17 #include <qmenubar.h>
  18 #include <qmessagebox.h>
  19 #include <qaction.h>
  20 #include <qheader.h>
  21 #include <qfiledialog.h>
  22 #include <qdragobject.h>
  23 #include <qregexp.h>
  24
  25 #include <stdlib.h>
  26
  27 #include "lkc.h"
  28 #include "qconf.h"
  29
  30 #include "qconf.moc"
  31 #include "images.c"
  32
  33 #ifdef _
  34 # undef _
  35 # define _ qgettext
  36 #endif
  37
  38 static QApplication *configApp;
  39 static ConfigSettings *configSettings;
  40
  41 QAction *ConfigMainWindow::saveAction;
  42
  43 static inline QString qgettext(const char* str)
  44 {
  45         return QString::fromLocal8Bit(gettext(str));
  46 }
  47
  48 static inline QString qgettext(const QString& str)
  49 {
  50         return QString::fromLocal8Bit(gettext(str.latin1()));
  51 }
  52
  53 /**
  54  * Reads a list of integer values from the application settings.
  55  */
  56 QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
  57 {
  58         QValueList<int> result;
  59         QStringList entryList = readListEntry(key, ok);
  60         if (ok) {
  61                 QStringList::Iterator it;
  62                 for (it = entryList.begin(); it != entryList.end(); ++it)
  63                         result.push_back((*it).toInt());
  64         }
  65
  66         return result;
  67 }
  68
  69 /**
  70  * Writes a list of integer values to the application settings.
  71  */
  72 bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value)
  73 {
  74         QStringList stringList;
  75         QValueList<int>::ConstIterator it;
  76
  77         for (it = value.begin(); it != value.end(); ++it)
  78                 stringList.push_back(QString::number(*it));
  79         return writeEntry(key, stringList);
  80 }
  81
  82
  83 #if QT_VERSION >= 300
  84 /*
  85  * set the new data
  86  * TODO check the value
  87  */
  88 void ConfigItem::okRename(int col)
  89 {
  90         Parent::okRename(col);
  91         sym_set_string_value(menu->sym, text(dataColIdx).latin1());
  92         listView()->updateList(this);
  93 }
  94 #endif
  95
  96 /*
  97  * update the displayed of a menu entry
  98  */
  99 void ConfigItem::updateMenu(void)
 100 {
 101         ConfigList* list;
 102         struct symbol* sym;
 103         struct property *prop;
 104         QString prompt;
 105         int type;
 106         tristate expr;
 107
 108         list = listView();
 109         if (goParent) {
 110                 setPixmap(promptColIdx, list->menuBackPix);
 111                 prompt = "..";
 112                 goto set_prompt;
 113         }
 114
 115         sym = menu->sym;
 116         prop = menu->prompt;
 117         prompt = QString::fromLocal8Bit(menu_get_prompt(menu));
 118
 119         if (prop) switch (prop->type) {
 120         case P_MENU:
 121                 if (list->mode == singleMode || list->mode == symbolMode) {
 122                         /* a menuconfig entry is displayed differently
 123                          * depending whether it's at the view root or a child.
 124                          */
 125                         if (sym && list->rootEntry == menu)
 126                                 break;
 127                         setPixmap(promptColIdx, list->menuPix);
 128                 } else {
 129                         if (sym)
 130                                 break;
 131                         setPixmap(promptColIdx, 0);
 132                 }
 133                 goto set_prompt;
 134         case P_COMMENT:
 135                 setPixmap(promptColIdx, 0);
 136                 goto set_prompt;
 137         default:
 138                 ;
 139         }
 140         if (!sym)
 141                 goto set_prompt;
 142
 143         setText(nameColIdx, QString::fromLocal8Bit(sym->name));
 144
 145         type = sym_get_type(sym);
 146         switch (type) {
 147         case S_BOOLEAN:
 148         case S_TRISTATE:
 149                 char ch;
 150
 151                 if (!sym_is_changable(sym) && !list->showAll) {
 152                         setPixmap(promptColIdx, 0);
 153                         setText(noColIdx, QString::null);
 154                         setText(modColIdx, QString::null);
 155                         setText(yesColIdx, QString::null);
 156                         break;
 157                 }
 158                 expr = sym_get_tristate_value(sym);
 159                 switch (expr) {
 160                 case yes:
 161                         if (sym_is_choice_value(sym) && type == S_BOOLEAN)
 162                                 setPixmap(promptColIdx, list->choiceYesPix);
 163                         else
 164                                 setPixmap(promptColIdx, list->symbolYesPix);
 165                         setText(yesColIdx, "Y");
 166                         ch = 'Y';
 167                         break;
 168                 case mod:
 169                         setPixmap(promptColIdx, list->symbolModPix);
 170                         setText(modColIdx, "M");
 171                         ch = 'M';
 172                         break;
 173                 default:
 174                         if (sym_is_choice_value(sym) && type == S_BOOLEAN)
 175                                 setPixmap(promptColIdx, list->choiceNoPix);
 176                         else
 177                                 setPixmap(promptColIdx, list->symbolNoPix);
 178                         setText(noColIdx, "N");
 179                         ch = 'N';
 180                         break;
 181                 }
 182                 if (expr != no)
 183                         setText(noColIdx, sym_tristate_within_range(sym, no) ? "_" : 0);
 184                 if (expr != mod)
 185                         setText(modColIdx, sym_tristate_within_range(sym, mod) ? "_" : 0);
 186                 if (expr != yes)
 187                         setText(yesColIdx, sym_tristate_within_range(sym, yes) ? "_" : 0);
 188
 189                 setText(dataColIdx, QChar(ch));
 190                 break;
 191         case S_INT:
 192         case S_HEX:
 193         case S_STRING:
 194                 const char* data;
 195
 196                 data = sym_get_string_value(sym);
 197
 198 #if QT_VERSION >= 300
 199                 int i = list->mapIdx(dataColIdx);
 200                 if (i >= 0)
 201                         setRenameEnabled(i, TRUE);
 202 #endif
 203                 setText(dataColIdx, data);
 204                 if (type == S_STRING)
 205                         prompt = QString("%1: %2").arg(prompt).arg(data);
 206                 else
 207                         prompt = QString("(%2) %1").arg(prompt).arg(data);
 208                 break;
 209         }
 210         if (!sym_has_value(sym) && visible)
 211                 prompt += " (NEW)";
 212 set_prompt:
 213         setText(promptColIdx, prompt);
 214 }
 215
 216 void ConfigItem::testUpdateMenu(bool v)
 217 {
 218         ConfigItem* i;
 219
 220         visible = v;
 221         if (!menu)
 222                 return;
 223
 224         sym_calc_value(menu->sym);
 225         if (menu->flags & MENU_CHANGED) {
 226                 /* the menu entry changed, so update all list items */
 227                 menu->flags &= ~MENU_CHANGED;
 228                 for (i = (ConfigItem*)menu->data; i; i = i->nextItem)
 229                         i->updateMenu();
 230         } else if (listView()->updateAll)
 231                 updateMenu();
 232 }
 233
 234 void ConfigItem::paintCell(QPainter* p, const QColorGroup& cg, int column, int width, int align)
 235 {
 236         ConfigList* list = listView();
 237
 238         if (visible) {
 239                 if (isSelected() && !list->hasFocus() && list->mode == menuMode)
 240                         Parent::paintCell(p, list->inactivedColorGroup, column, width, align);
 241                 else
 242                         Parent::paintCell(p, cg, column, width, align);
 243         } else
 244                 Parent::paintCell(p, list->disabledColorGroup, column, width, align);
 245 }
 246
 247 /*
 248  * construct a menu entry
 249  */
 250 void ConfigItem::init(void)
 251 {
 252         if (menu) {
 253                 ConfigList* list = listView();
 254                 nextItem = (ConfigItem*)menu->data;
 255                 menu->data = this;
 256
 257                 if (list->mode != fullMode)
 258                         setOpen(TRUE);
 259                 sym_calc_value(menu->sym);
 260         }
 261         updateMenu();
 262 }
 263
 264 /*
 265  * destruct a menu entry
 266  */
 267 ConfigItem::~ConfigItem(void)
 268 {
 269         if (menu) {
 270                 ConfigItem** ip = (ConfigItem**)&menu->data;
 271                 for (; *ip; ip = &(*ip)->nextItem) {
 272                         if (*ip == this) {
 273                                 *ip = nextItem;
 274                                 break;
 275                         }
 276                 }
 277         }
 278 }
 279
 280 ConfigLineEdit::ConfigLineEdit(ConfigView* parent)
 281         : Parent(parent)
 282 {
 283         connect(this, SIGNAL(lostFocus()), SLOT(hide()));
 284 }
 285
 286 void ConfigLineEdit::show(ConfigItem* i)
 287 {
 288         item = i;
 289         if (sym_get_string_value(item->menu->sym))
 290                 setText(QString::fromLocal8Bit(sym_get_string_value(item->menu->sym)));
 291         else
 292                 setText(QString::null);
 293         Parent::show();
 294         setFocus();
 295 }
 296
 297 void ConfigLineEdit::keyPressEvent(QKeyEvent* e)
 298 {
 299         switch (e->key()) {
 300         case Key_Escape:
 301                 break;
 302         case Key_Return:
 303         case Key_Enter:
 304                 sym_set_string_value(item->menu->sym, text().latin1());
 305                 parent()->updateList(item);
 306                 break;
 307         default:
 308                 Parent::keyPressEvent(e);
 309                 return;
 310         }
 311         e->accept();
 312         parent()->list->setFocus();
 313         hide();
 314 }
 315
 316 ConfigList::ConfigList(ConfigView* p, const char *name)
 317         : Parent(p, name),
 318           updateAll(false),
 319           symbolYesPix(xpm_symbol_yes), symbolModPix(xpm_symbol_mod), symbolNoPix(xpm_symbol_no),
 320           choiceYesPix(xpm_choice_yes), choiceNoPix(xpm_choice_no),
 321           menuPix(xpm_menu), menuInvPix(xpm_menu_inv), menuBackPix(xpm_menuback), voidPix(xpm_void),
 322           showAll(false), showName(false), showRange(false), showData(false),
 323           rootEntry(0), headerPopup(0)
 324 {
 325         int i;
 326
 327         setSorting(-1);
 328         setRootIsDecorated(TRUE);
 329         disabledColorGroup = palette().active();
 330         disabledColorGroup.setColor(QColorGroup::Text, palette().disabled().text());
 331         inactivedColorGroup = palette().active();
 332         inactivedColorGroup.setColor(QColorGroup::Highlight, palette().disabled().highlight());
 333
 334         connect(this, SIGNAL(selectionChanged(void)),
 335                 SLOT(updateSelection(void)));
 336
 337         if (name) {
 338                 configSettings->beginGroup(name);
 339                 showAll = configSettings->readBoolEntry("/showAll", false);
 340                 showName = configSettings->readBoolEntry("/showName", false);
 341                 showRange = configSettings->readBoolEntry("/showRange", false);
 342                 showData = configSettings->readBoolEntry("/showData", false);
 343                 configSettings->endGroup();
 344                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
 345         }
 346
 347         for (i = 0; i < colNr; i++)
 348                 colMap[i] = colRevMap[i] = -1;
 349         addColumn(promptColIdx, "Option");
 350
 351         reinit();
 352 }
 353
 354 void ConfigList::reinit(void)
 355 {
 356         removeColumn(dataColIdx);
 357         removeColumn(yesColIdx);
 358         removeColumn(modColIdx);
 359         removeColumn(noColIdx);
 360         removeColumn(nameColIdx);
 361
 362         if (showName)
 363                 addColumn(nameColIdx, "Name");
 364         if (showRange) {
 365                 addColumn(noColIdx, "N");
 366                 addColumn(modColIdx, "M");
 367                 addColumn(yesColIdx, "Y");
 368         }
 369         if (showData)
 370                 addColumn(dataColIdx, "Value");
 371
 372         updateListAll();
 373 }
 374
 375 void ConfigList::saveSettings(void)
 376 {
 377         if (name()) {
 378                 configSettings->beginGroup(name());
 379                 configSettings->writeEntry("/showName", showName);
 380                 configSettings->writeEntry("/showRange", showRange);
 381                 configSettings->writeEntry("/showData", showData);
 382                 configSettings->writeEntry("/showAll", showAll);
 383                 configSettings->endGroup();
 384         }
 385 }
 386
 387 ConfigItem* ConfigList::findConfigItem(struct menu *menu)
 388 {
 389         ConfigItem* item = (ConfigItem*)menu->data;
 390
 391         for (; item; item = item->nextItem) {
 392                 if (this == item->listView())
 393                         break;
 394         }
 395
 396         return item;
 397 }
 398
 399 void ConfigList::updateSelection(void)
 400 {
 401         struct menu *menu;
 402         enum prop_type type;
 403
 404         ConfigItem* item = (ConfigItem*)selectedItem();
 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(ConfigItem* item)
 418 {
 419         ConfigItem* last = 0;
 420
 421         if (!rootEntry) {
 422                 if (mode != listMode)
 423                         goto update;
 424                 QListViewItemIterator it(this);
 425                 ConfigItem* item;
 426
 427                 for (; it.current(); ++it) {
 428                         item = (ConfigItem*)it.current();
 429                         if (!item->menu)
 430                                 continue;
 431                         item->testUpdateMenu(menu_is_visible(item->menu));
 432                 }
 433                 return;
 434         }
 435
 436         if (rootEntry != &rootmenu && (mode == singleMode ||
 437             (mode == symbolMode && rootEntry->parent != &rootmenu))) {
 438                 item = firstChild();
 439                 if (!item)
 440                         item = new ConfigItem(this, 0, true);
 441                 last = item;
 442         }
 443         if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) &&
 444             rootEntry->sym && rootEntry->prompt) {
 445                 item = last ? last->nextSibling() : firstChild();
 446                 if (!item)
 447                         item = new ConfigItem(this, last, rootEntry, true);
 448                 else
 449                         item->testUpdateMenu(true);
 450
 451                 updateMenuList(item, rootEntry);
 452                 triggerUpdate();
 453                 return;
 454         }
 455 update:
 456         updateMenuList(this, rootEntry);
 457         triggerUpdate();
 458 }
 459
 460 void ConfigList::setValue(ConfigItem* item, tristate val)
 461 {
 462         struct symbol* sym;
 463         int type;
 464         tristate oldval;
 465
 466         sym = item->menu ? item->menu->sym : 0;
 467         if (!sym)
 468                 return;
 469
 470         type = sym_get_type(sym);
 471         switch (type) {
 472         case S_BOOLEAN:
 473         case S_TRISTATE:
 474                 oldval = sym_get_tristate_value(sym);
 475
 476                 if (!sym_set_tristate_value(sym, val))
 477                         return;
 478                 if (oldval == no && item->menu->list)
 479                         item->setOpen(TRUE);
 480                 parent()->updateList(item);
 481                 break;
 482         }
 483 }
 484
 485 void ConfigList::changeValue(ConfigItem* item)
 486 {
 487         struct symbol* sym;
 488         struct menu* menu;
 489         int type, oldexpr, newexpr;
 490
 491         menu = item->menu;
 492         if (!menu)
 493                 return;
 494         sym = menu->sym;
 495         if (!sym) {
 496                 if (item->menu->list)
 497                         item->setOpen(!item->isOpen());
 498                 return;
 499         }
 500
 501         type = sym_get_type(sym);
 502         switch (type) {
 503         case S_BOOLEAN:
 504         case S_TRISTATE:
 505                 oldexpr = sym_get_tristate_value(sym);
 506                 newexpr = sym_toggle_tristate_value(sym);
 507                 if (item->menu->list) {
 508                         if (oldexpr == newexpr)
 509                                 item->setOpen(!item->isOpen());
 510                         else if (oldexpr == no)
 511                                 item->setOpen(TRUE);
 512                 }
 513                 if (oldexpr != newexpr)
 514                         parent()->updateList(item);
 515                 break;
 516         case S_INT:
 517         case S_HEX:
 518         case S_STRING:
 519 #if QT_VERSION >= 300
 520                 if (colMap[dataColIdx] >= 0)
 521                         item->startRename(colMap[dataColIdx]);
 522                 else
 523 #endif
 524                         parent()->lineEdit->show(item);
 525                 break;
 526         }
 527 }
 528
 529 void ConfigList::setRootMenu(struct menu *menu)
 530 {
 531         enum prop_type type;
 532
 533         if (rootEntry == menu)
 534                 return;
 535         type = menu && menu->prompt ? menu->prompt->type : P_UNKNOWN;
 536         if (type != P_MENU)
 537                 return;
 538         updateMenuList(this, 0);
 539         rootEntry = menu;
 540         updateListAll();
 541         setSelected(currentItem(), hasFocus());
 542         ensureItemVisible(currentItem());
 543 }
 544
 545 void ConfigList::setParentMenu(void)
 546 {
 547         ConfigItem* item;
 548         struct menu *oldroot;
 549
 550         oldroot = rootEntry;
 551         if (rootEntry == &rootmenu)
 552                 return;
 553         setRootMenu(menu_get_parent_menu(rootEntry->parent));
 554
 555         QListViewItemIterator it(this);
 556         for (; (item = (ConfigItem*)it.current()); it++) {
 557                 if (item->menu == oldroot) {
 558                         setCurrentItem(item);
 559                         ensureItemVisible(item);
 560                         break;
 561                 }
 562         }
 563 }
 564
 565 /*
 566  * update all the children of a menu entry
 567  *   removes/adds the entries from the parent widget as necessary
 568  *
 569  * parent: either the menu list widget or a menu entry widget
 570  * menu: entry to be updated
 571  */
 572 template <class P>
 573 void ConfigList::updateMenuList(P* parent, struct menu* menu)
 574 {
 575         struct menu* child;
 576         ConfigItem* item;
 577         ConfigItem* last;
 578         bool visible;
 579         enum prop_type type;
 580
 581         if (!menu) {
 582                 while ((item = parent->firstChild()))
 583                         delete item;
 584                 return;
 585         }
 586
 587         last = parent->firstChild();
 588         if (last && !last->goParent)
 589                 last = 0;
 590         for (child = menu->list; child; child = child->next) {
 591                 item = last ? last->nextSibling() : parent->firstChild();
 592                 type = child->prompt ? child->prompt->type : P_UNKNOWN;
 593
 594                 switch (mode) {
 595                 case menuMode:
 596                         if (!(child->flags & MENU_ROOT))
 597                                 goto hide;
 598                         break;
 599                 case symbolMode:
 600                         if (child->flags & MENU_ROOT)
 601                                 goto hide;
 602                         break;
 603                 default:
 604                         break;
 605                 }
 606
 607                 visible = menu_is_visible(child);
 608                 if (showAll || visible) {
 609                         if (!item || item->menu != child)
 610                                 item = new ConfigItem(parent, last, child, visible);
 611                         else
 612                                 item->testUpdateMenu(visible);
 613
 614                         if (mode == fullMode || mode == menuMode || type != P_MENU)
 615                                 updateMenuList(item, child);
 616                         else
 617                                 updateMenuList(item, 0);
 618                         last = item;
 619                         continue;
 620                 }
 621         hide:
 622                 if (item && item->menu == child) {
 623                         last = parent->firstChild();
 624                         if (last == item)
 625                                 last = 0;
 626                         else while (last->nextSibling() != item)
 627                                 last = last->nextSibling();
 628                         delete item;
 629                 }
 630         }
 631 }
 632
 633 void ConfigList::keyPressEvent(QKeyEvent* ev)
 634 {
 635         QListViewItem* i = currentItem();
 636         ConfigItem* item;
 637         struct menu *menu;
 638         enum prop_type type;
 639
 640         if (ev->key() == Key_Escape && mode != fullMode && mode != listMode) {
 641                 emit parentSelected();
 642                 ev->accept();
 643                 return;
 644         }
 645
 646         if (!i) {
 647                 Parent::keyPressEvent(ev);
 648                 return;
 649         }
 650         item = (ConfigItem*)i;
 651
 652         switch (ev->key()) {
 653         case Key_Return:
 654         case Key_Enter:
 655                 if (item->goParent) {
 656                         emit parentSelected();
 657                         break;
 658                 }
 659                 menu = item->menu;
 660                 if (!menu)
 661                         break;
 662                 type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 663                 if (type == P_MENU && rootEntry != menu &&
 664                     mode != fullMode && mode != menuMode) {
 665                         emit menuSelected(menu);
 666                         break;
 667                 }
 668         case Key_Space:
 669                 changeValue(item);
 670                 break;
 671         case Key_N:
 672                 setValue(item, no);
 673                 break;
 674         case Key_M:
 675                 setValue(item, mod);
 676                 break;
 677         case Key_Y:
 678                 setValue(item, yes);
 679                 break;
 680         default:
 681                 Parent::keyPressEvent(ev);
 682                 return;
 683         }
 684         ev->accept();
 685 }
 686
 687 void ConfigList::contentsMousePressEvent(QMouseEvent* e)
 688 {
 689         //QPoint p(contentsToViewport(e->pos()));
 690         //printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
 691         Parent::contentsMousePressEvent(e);
 692 }
 693
 694 void ConfigList::contentsMouseReleaseEvent(QMouseEvent* e)
 695 {
 696         QPoint p(contentsToViewport(e->pos()));
 697         ConfigItem* item = (ConfigItem*)itemAt(p);
 698         struct menu *menu;
 699         enum prop_type ptype;
 700         const QPixmap* pm;
 701         int idx, x;
 702
 703         if (!item)
 704                 goto skip;
 705
 706         menu = item->menu;
 707         x = header()->offset() + p.x();
 708         idx = colRevMap[header()->sectionAt(x)];
 709         switch (idx) {
 710         case promptColIdx:
 711                 pm = item->pixmap(promptColIdx);
 712                 if (pm) {
 713                         int off = header()->sectionPos(0) + itemMargin() +
 714                                 treeStepSize() * (item->depth() + (rootIsDecorated() ? 1 : 0));
 715                         if (x >= off && x < off + pm->width()) {
 716                                 if (item->goParent) {
 717                                         emit parentSelected();
 718                                         break;
 719                                 } else if (!menu)
 720                                         break;
 721                                 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 722                                 if (ptype == P_MENU && rootEntry != menu &&
 723                                     mode != fullMode && mode != menuMode)
 724                                         emit menuSelected(menu);
 725                                 else
 726                                         changeValue(item);
 727                         }
 728                 }
 729                 break;
 730         case noColIdx:
 731                 setValue(item, no);
 732                 break;
 733         case modColIdx:
 734                 setValue(item, mod);
 735                 break;
 736         case yesColIdx:
 737                 setValue(item, yes);
 738                 break;
 739         case dataColIdx:
 740                 changeValue(item);
 741                 break;
 742         }
 743
 744 skip:
 745         //printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
 746         Parent::contentsMouseReleaseEvent(e);
 747 }
 748
 749 void ConfigList::contentsMouseMoveEvent(QMouseEvent* e)
 750 {
 751         //QPoint p(contentsToViewport(e->pos()));
 752         //printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
 753         Parent::contentsMouseMoveEvent(e);
 754 }
 755
 756 void ConfigList::contentsMouseDoubleClickEvent(QMouseEvent* e)
 757 {
 758         QPoint p(contentsToViewport(e->pos()));
 759         ConfigItem* item = (ConfigItem*)itemAt(p);
 760         struct menu *menu;
 761         enum prop_type ptype;
 762
 763         if (!item)
 764                 goto skip;
 765         if (item->goParent) {
 766                 emit parentSelected();
 767                 goto skip;
 768         }
 769         menu = item->menu;
 770         if (!menu)
 771                 goto skip;
 772         ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 773         if (ptype == P_MENU && (mode == singleMode || mode == symbolMode))
 774                 emit menuSelected(menu);
 775         else if (menu->sym)
 776                 changeValue(item);
 777
 778 skip:
 779         //printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
 780         Parent::contentsMouseDoubleClickEvent(e);
 781 }
 782
 783 void ConfigList::focusInEvent(QFocusEvent *e)
 784 {
 785         struct menu *menu = NULL;
 786
 787         Parent::focusInEvent(e);
 788
 789         ConfigItem* item = (ConfigItem *)currentItem();
 790         if (item) {
 791                 setSelected(item, TRUE);
 792                 menu = item->menu;
 793         }
 794         emit gotFocus(menu);
 795 }
 796
 797 void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 798 {
 799         if (e->y() <= header()->geometry().bottom()) {
 800                 if (!headerPopup) {
 801                         QAction *action;
 802
 803                         headerPopup = new QPopupMenu(this);
 804                         action = new QAction(NULL, "Show Name", 0, this);
 805                           action->setToggleAction(TRUE);
 806                           connect(action, SIGNAL(toggled(bool)),
 807                                   parent(), SLOT(setShowName(bool)));
 808                           connect(parent(), SIGNAL(showNameChanged(bool)),
 809                                   action, SLOT(setOn(bool)));
 810                           action->setOn(showName);
 811                           action->addTo(headerPopup);
 812                         action = new QAction(NULL, "Show Range", 0, this);
 813                           action->setToggleAction(TRUE);
 814                           connect(action, SIGNAL(toggled(bool)),
 815                                   parent(), SLOT(setShowRange(bool)));
 816                           connect(parent(), SIGNAL(showRangeChanged(bool)),
 817                                   action, SLOT(setOn(bool)));
 818                           action->setOn(showRange);
 819                           action->addTo(headerPopup);
 820                         action = new QAction(NULL, "Show Data", 0, this);
 821                           action->setToggleAction(TRUE);
 822                           connect(action, SIGNAL(toggled(bool)),
 823                                   parent(), SLOT(setShowData(bool)));
 824                           connect(parent(), SIGNAL(showDataChanged(bool)),
 825                                   action, SLOT(setOn(bool)));
 826                           action->setOn(showData);
 827                           action->addTo(headerPopup);
 828                 }
 829                 headerPopup->exec(e->globalPos());
 830                 e->accept();
 831         } else
 832                 e->ignore();
 833 }
 834
 835 ConfigView* ConfigView::viewList;
 836
 837 ConfigView::ConfigView(QWidget* parent, const char *name)
 838         : Parent(parent, name)
 839 {
 840         list = new ConfigList(this, name);
 841         lineEdit = new ConfigLineEdit(this);
 842         lineEdit->hide();
 843
 844         this->nextView = viewList;
 845         viewList = this;
 846 }
 847
 848 ConfigView::~ConfigView(void)
 849 {
 850         ConfigView** vp;
 851
 852         for (vp = &viewList; *vp; vp = &(*vp)->nextView) {
 853                 if (*vp == this) {
 854                         *vp = nextView;
 855                         break;
 856                 }
 857         }
 858 }
 859
 860 void ConfigView::setShowAll(bool b)
 861 {
 862         if (list->showAll != b) {
 863                 list->showAll = b;
 864                 list->updateListAll();
 865                 emit showAllChanged(b);
 866         }
 867 }
 868
 869 void ConfigView::setShowName(bool b)
 870 {
 871         if (list->showName != b) {
 872                 list->showName = b;
 873                 list->reinit();
 874                 emit showNameChanged(b);
 875         }
 876 }
 877
 878 void ConfigView::setShowRange(bool b)
 879 {
 880         if (list->showRange != b) {
 881                 list->showRange = b;
 882                 list->reinit();
 883                 emit showRangeChanged(b);
 884         }
 885 }
 886
 887 void ConfigView::setShowData(bool b)
 888 {
 889         if (list->showData != b) {
 890                 list->showData = b;
 891                 list->reinit();
 892                 emit showDataChanged(b);
 893         }
 894 }
 895
 896 void ConfigList::setAllOpen(bool open)
 897 {
 898         QListViewItemIterator it(this);
 899
 900         for (; it.current(); it++)
 901                 it.current()->setOpen(open);
 902 }
 903
 904 void ConfigView::updateList(ConfigItem* item)
 905 {
 906         ConfigView* v;
 907
 908         for (v = viewList; v; v = v->nextView)
 909                 v->list->updateList(item);
 910 }
 911
 912 void ConfigView::updateListAll(void)
 913 {
 914         ConfigView* v;
 915
 916         for (v = viewList; v; v = v->nextView)
 917                 v->list->updateListAll();
 918 }
 919
 920 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
 921         : Parent(parent, name), menu(0), sym(0)
 922 {
 923         if (name) {
 924                 configSettings->beginGroup(name);
 925                 _showDebug = configSettings->readBoolEntry("/showDebug", false);
 926                 configSettings->endGroup();
 927                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
 928         }
 929 }
 930
 931 void ConfigInfoView::saveSettings(void)
 932 {
 933         if (name()) {
 934                 configSettings->beginGroup(name());
 935                 configSettings->writeEntry("/showDebug", showDebug());
 936                 configSettings->endGroup();
 937         }
 938 }
 939
 940 void ConfigInfoView::setShowDebug(bool b)
 941 {
 942         if (_showDebug != b) {
 943                 _showDebug = b;
 944                 if (menu)
 945                         menuInfo();
 946                 else if (sym)
 947                         symbolInfo();
 948                 emit showDebugChanged(b);
 949         }
 950 }
 951
 952 void ConfigInfoView::setInfo(struct menu *m)
 953 {
 954         if (menu == m)
 955                 return;
 956         menu = m;
 957         sym = NULL;
 958         if (!menu)
 959                 clear();
 960         else
 961                 menuInfo();
 962 }
 963
 964 void ConfigInfoView::setSource(const QString& name)
 965 {
 966         const char *p = name.latin1();
 967
 968         menu = NULL;
 969         sym = NULL;
 970
 971         switch (p[0]) {
 972         case 'm':
 973                 struct menu *m;
 974
 975                 if (sscanf(p, "m%p", &m) == 1 && menu != m) {
 976                         menu = m;
 977                         menuInfo();
 978                         emit menuSelected(menu);
 979                 }
 980                 break;
 981         case 's':
 982                 struct symbol *s;
 983
 984                 if (sscanf(p, "s%p", &s) == 1 && sym != s) {
 985                         sym = s;
 986                         symbolInfo();
 987                 }
 988                 break;
 989         }
 990 }
 991
 992 void ConfigInfoView::symbolInfo(void)
 993 {
 994         QString str;
 995
 996         str += "<big>Symbol: <b>";
 997         str += print_filter(sym->name);
 998         str += "</b></big><br><br>value: ";
 999         str += print_filter(sym_get_string_value(sym));
1000         str += "<br>visibility: ";
1001         str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
1002         str += "<br>";
1003         str += debug_info(sym);
1004
1005         setText(str);
1006 }
1007
1008 void ConfigInfoView::menuInfo(void)
1009 {
1010         struct symbol* sym;
1011         QString head, debug, help;
1012
1013         sym = menu->sym;
1014         if (sym) {
1015                 if (menu->prompt) {
1016                         head += "<big><b>";
1017                         head += print_filter(_(menu->prompt->text));
1018                         head += "</b></big>";
1019                         if (sym->name) {
1020                                 head += " (";
1021                                 if (showDebug())
1022                                         head += QString().sprintf("<a href=\"s%p\">", sym);
1023                                 head += print_filter(sym->name);
1024                                 if (showDebug())
1025                                         head += "</a>";
1026                                 head += ")";
1027                         }
1028                 } else if (sym->name) {
1029                         head += "<big><b>";
1030                         if (showDebug())
1031                                 head += QString().sprintf("<a href=\"s%p\">", sym);
1032                         head += print_filter(sym->name);
1033                         if (showDebug())
1034                                 head += "</a>";
1035                         head += "</b></big>";
1036                 }
1037                 head += "<br><br>";
1038
1039                 if (showDebug())
1040                         debug = debug_info(sym);
1041
1042                 help = print_filter(_(sym->help));
1043         } else if (menu->prompt) {
1044                 head += "<big><b>";
1045                 head += print_filter(_(menu->prompt->text));
1046                 head += "</b></big><br><br>";
1047                 if (showDebug()) {
1048                         if (menu->prompt->visible.expr) {
1049                                 debug += "&nbsp;&nbsp;dep: ";
1050                                 expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
1051                                 debug += "<br><br>";
1052                         }
1053                 }
1054         }
1055         if (showDebug())
1056                 debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
1057
1058         setText(head + debug + help);
1059 }
1060
1061 QString ConfigInfoView::debug_info(struct symbol *sym)
1062 {
1063         QString debug;
1064
1065         debug += "type: ";
1066         debug += print_filter(sym_type_name(sym->type));
1067         if (sym_is_choice(sym))
1068                 debug += " (choice)";
1069         debug += "<br>";
1070         if (sym->rev_dep.expr) {
1071                 debug += "reverse dep: ";
1072                 expr_print(sym->rev_dep.expr, expr_print_help, &debug, E_NONE);
1073                 debug += "<br>";
1074         }
1075         for (struct property *prop = sym->prop; prop; prop = prop->next) {
1076                 switch (prop->type) {
1077                 case P_PROMPT:
1078                 case P_MENU:
1079                         debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
1080                         debug += print_filter(_(prop->text));
1081                         debug += "</a><br>";
1082                         break;
1083                 case P_DEFAULT:
1084                         debug += "default: ";
1085                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1086                         debug += "<br>";
1087                         break;
1088                 case P_CHOICE:
1089                         if (sym_is_choice(sym)) {
1090                                 debug += "choice: ";
1091                                 expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1092                                 debug += "<br>";
1093                         }
1094                         break;
1095                 case P_SELECT:
1096                         debug += "select: ";
1097                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1098                         debug += "<br>";
1099                         break;
1100                 case P_RANGE:
1101                         debug += "range: ";
1102                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1103                         debug += "<br>";
1104                         break;
1105                 default:
1106                         debug += "unknown property: ";
1107                         debug += prop_get_type_name(prop->type);
1108                         debug += "<br>";
1109                 }
1110                 if (prop->visible.expr) {
1111                         debug += "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
1112                         expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
1113                         debug += "<br>";
1114                 }
1115         }
1116         debug += "<br>";
1117
1118         return debug;
1119 }
1120
1121 QString ConfigInfoView::print_filter(const QString &str)
1122 {
1123         QRegExp re("[<>&\"\\n]");
1124         QString res = str;
1125         for (int i = 0; (i = res.find(re, i)) >= 0;) {
1126                 switch (res[i].latin1()) {
1127                 case '<':
1128                         res.replace(i, 1, "&lt;");
1129                         i += 4;
1130                         break;
1131                 case '>':
1132                         res.replace(i, 1, "&gt;");
1133                         i += 4;
1134                         break;
1135                 case '&':
1136                         res.replace(i, 1, "&amp;");
1137                         i += 5;
1138                         break;
1139                 case '"':
1140                         res.replace(i, 1, "&quot;");
1141                         i += 6;
1142                         break;
1143                 case '\n':
1144                         res.replace(i, 1, "<br>");
1145                         i += 4;
1146                         break;
1147                 }
1148         }
1149         return res;
1150 }
1151
1152 void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
1153 {
1154         QString* text = reinterpret_cast<QString*>(data);
1155         QString str2 = print_filter(str);
1156
1157         if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
1158                 *text += QString().sprintf("<a href=\"s%p\">", sym);
1159                 *text += str2;
1160                 *text += "</a>";
1161         } else
1162                 *text += str2;
1163 }
1164
1165 QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
1166 {
1167         QPopupMenu* popup = Parent::createPopupMenu(pos);
1168         QAction* action = new QAction(NULL,"Show Debug Info", 0, popup);
1169           action->setToggleAction(TRUE);
1170           connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
1171           connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
1172           action->setOn(showDebug());
1173         popup->insertSeparator();
1174         action->addTo(popup);
1175         return popup;
1176 }
1177
1178 void ConfigInfoView::contentsContextMenuEvent(QContextMenuEvent *e)
1179 {
1180         Parent::contentsContextMenuEvent(e);
1181 }
1182
1183 ConfigSearchWindow::ConfigSearchWindow(QWidget* parent, const char *name)
1184         : Parent(parent, name), result(NULL)
1185 {
1186         setCaption("Search Config");
1187
1188         QVBoxLayout* layout1 = new QVBoxLayout(this, 11, 6);
1189         QHBoxLayout* layout2 = new QHBoxLayout(0, 0, 6);
1190         layout2->addWidget(new QLabel("Find:", this));
1191         editField = new QLineEdit(this);
1192         connect(editField, SIGNAL(returnPressed()), SLOT(search()));
1193         layout2->addWidget(editField);
1194         searchButton = new QPushButton("Search", this);
1195         searchButton->setAutoDefault(FALSE);
1196         connect(searchButton, SIGNAL(clicked()), SLOT(search()));
1197         layout2->addWidget(searchButton);
1198         layout1->addLayout(layout2);
1199
1200         split = new QSplitter(this);
1201         split->setOrientation(QSplitter::Vertical);
1202         list = new ConfigView(split, name);
1203         list->list->mode = listMode;
1204         info = new ConfigInfoView(split, name);
1205         connect(list->list, SIGNAL(menuChanged(struct menu *)),
1206                 info, SLOT(setInfo(struct menu *)));
1207         layout1->addWidget(split);
1208
1209         if (name) {
1210                 int x, y, width, height;
1211                 bool ok;
1212
1213                 configSettings->beginGroup(name);
1214                 width = configSettings->readNumEntry("/window width", parent->width() / 2);
1215                 height = configSettings->readNumEntry("/window height", parent->height() / 2);
1216                 resize(width, height);
1217                 x = configSettings->readNumEntry("/window x", 0, &ok);
1218                 if (ok)
1219                         y = configSettings->readNumEntry("/window y", 0, &ok);
1220                 if (ok)
1221                         move(x, y);
1222                 QValueList<int> sizes = configSettings->readSizes("/split", &ok);
1223                 if (ok)
1224                         split->setSizes(sizes);
1225                 configSettings->endGroup();
1226                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
1227         }
1228 }
1229
1230 void ConfigSearchWindow::saveSettings(void)
1231 {
1232         if (name()) {
1233                 configSettings->beginGroup(name());
1234                 configSettings->writeEntry("/window x", pos().x());
1235                 configSettings->writeEntry("/window y", pos().y());
1236                 configSettings->writeEntry("/window width", size().width());
1237                 configSettings->writeEntry("/window height", size().height());
1238                 configSettings->writeSizes("/split", split->sizes());
1239                 configSettings->endGroup();
1240         }
1241 }
1242
1243 void ConfigSearchWindow::search(void)
1244 {
1245         struct symbol **p;
1246         struct property *prop;
1247         ConfigItem *lastItem = NULL;
1248
1249         free(result);
1250         list->list->clear();
1251
1252         result = sym_re_search(editField->text().latin1());
1253         if (!result)
1254                 return;
1255         for (p = result; *p; p++) {
1256                 for_all_prompts((*p), prop)
1257                         lastItem = new ConfigItem(list->list, lastItem, prop->menu,
1258                                                   menu_is_visible(prop->menu));
1259         }
1260 }
1261
1262 /*
1263  * Construct the complete config widget
1264  */
1265 ConfigMainWindow::ConfigMainWindow(void)
1266         : searchWindow(0)
1267 {
1268         QMenuBar* menu;
1269         bool ok;
1270         int x, y, width, height;
1271
1272         QWidget *d = configApp->desktop();
1273
1274         width = configSettings->readNumEntry("/window width", d->width() - 64);
1275         height = configSettings->readNumEntry("/window height", d->height() - 64);
1276         resize(width, height);
1277         x = configSettings->readNumEntry("/window x", 0, &ok);
1278         if (ok)
1279                 y = configSettings->readNumEntry("/window y", 0, &ok);
1280         if (ok)
1281                 move(x, y);
1282
1283         split1 = new QSplitter(this);
1284         split1->setOrientation(QSplitter::Horizontal);
1285         setCentralWidget(split1);
1286
1287         menuView = new ConfigView(split1, "menu");
1288         menuList = menuView->list;
1289
1290         split2 = new QSplitter(split1);
1291         split2->setOrientation(QSplitter::Vertical);
1292
1293         // create config tree
1294         configView = new ConfigView(split2, "config");
1295         configList = configView->list;
1296
1297         helpText = new ConfigInfoView(split2, "help");
1298         helpText->setTextFormat(Qt::RichText);
1299
1300         setTabOrder(configList, helpText);
1301         configList->setFocus();
1302
1303         menu = menuBar();
1304         toolBar = new QToolBar("Tools", this);
1305
1306         backAction = new QAction("Back", QPixmap(xpm_back), "Back", 0, this);
1307           connect(backAction, SIGNAL(activated()), SLOT(goBack()));
1308           backAction->setEnabled(FALSE);
1309         QAction *quitAction = new QAction("Quit", "&Quit", CTRL+Key_Q, this);
1310           connect(quitAction, SIGNAL(activated()), SLOT(close()));
1311         QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
1312           connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
1313         saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
1314           connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
1315         conf_set_changed_callback(conf_changed);
1316         // Set saveAction's initial state
1317         conf_changed();
1318         QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
1319           connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
1320         QAction *searchAction = new QAction("Search", "&Search", CTRL+Key_F, this);
1321           connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
1322         QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), "Split View", 0, this);
1323           connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
1324         QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), "Split View", 0, this);
1325           connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
1326         QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), "Full View", 0, this);
1327           connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
1328
1329         QAction *showNameAction = new QAction(NULL, "Show Name", 0, this);
1330           showNameAction->setToggleAction(TRUE);
1331           connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
1332           connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
1333           showNameAction->setOn(configView->showName());
1334         QAction *showRangeAction = new QAction(NULL, "Show Range", 0, this);
1335           showRangeAction->setToggleAction(TRUE);
1336           connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
1337           connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
1338           showRangeAction->setOn(configList->showRange);
1339         QAction *showDataAction = new QAction(NULL, "Show Data", 0, this);
1340           showDataAction->setToggleAction(TRUE);
1341           connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
1342           connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
1343           showDataAction->setOn(configList->showData);
1344         QAction *showAllAction = new QAction(NULL, "Show All Options", 0, this);
1345           showAllAction->setToggleAction(TRUE);
1346           connect(showAllAction, SIGNAL(toggled(bool)), configView, SLOT(setShowAll(bool)));
1347           connect(showAllAction, SIGNAL(toggled(bool)), menuView, SLOT(setShowAll(bool)));
1348           showAllAction->setOn(configList->showAll);
1349         QAction *showDebugAction = new QAction(NULL, "Show Debug Info", 0, this);
1350           showDebugAction->setToggleAction(TRUE);
1351           connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
1352           connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
1353           showDebugAction->setOn(helpText->showDebug());
1354
1355         QAction *showIntroAction = new QAction(NULL, "Introduction", 0, this);
1356           connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
1357         QAction *showAboutAction = new QAction(NULL, "About", 0, this);
1358           connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
1359
1360         // init tool bar
1361         backAction->addTo(toolBar);
1362         toolBar->addSeparator();
1363         loadAction->addTo(toolBar);
1364         saveAction->addTo(toolBar);
1365         toolBar->addSeparator();
1366         singleViewAction->addTo(toolBar);
1367         splitViewAction->addTo(toolBar);
1368         fullViewAction->addTo(toolBar);
1369
1370         // create config menu
1371         QPopupMenu* config = new QPopupMenu(this);
1372         menu->insertItem("&File", config);
1373         loadAction->addTo(config);
1374         saveAction->addTo(config);
1375         saveAsAction->addTo(config);
1376         config->insertSeparator();
1377         searchAction->addTo(config);
1378         config->insertSeparator();
1379         quitAction->addTo(config);
1380
1381         // create options menu
1382         QPopupMenu* optionMenu = new QPopupMenu(this);
1383         menu->insertItem("&Option", optionMenu);
1384         showNameAction->addTo(optionMenu);
1385         showRangeAction->addTo(optionMenu);
1386         showDataAction->addTo(optionMenu);
1387         optionMenu->insertSeparator();
1388         showAllAction->addTo(optionMenu);
1389         showDebugAction->addTo(optionMenu);
1390
1391         // create help menu
1392         QPopupMenu* helpMenu = new QPopupMenu(this);
1393         menu->insertSeparator();
1394         menu->insertItem("&Help", helpMenu);
1395         showIntroAction->addTo(helpMenu);
1396         showAboutAction->addTo(helpMenu);
1397
1398         connect(configList, SIGNAL(menuChanged(struct menu *)),
1399                 helpText, SLOT(setInfo(struct menu *)));
1400         connect(configList, SIGNAL(menuSelected(struct menu *)),
1401                 SLOT(changeMenu(struct menu *)));
1402         connect(configList, SIGNAL(parentSelected()),
1403                 SLOT(goBack()));
1404         connect(menuList, SIGNAL(menuChanged(struct menu *)),
1405                 helpText, SLOT(setInfo(struct menu *)));
1406         connect(menuList, SIGNAL(menuSelected(struct menu *)),
1407                 SLOT(changeMenu(struct menu *)));
1408
1409         connect(configList, SIGNAL(gotFocus(struct menu *)),
1410                 helpText, SLOT(setInfo(struct menu *)));
1411         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1412                 helpText, SLOT(setInfo(struct menu *)));
1413         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1414                 SLOT(listFocusChanged(void)));
1415         connect(helpText, SIGNAL(menuSelected(struct menu *)),
1416                 SLOT(setMenuLink(struct menu *)));
1417
1418         QString listMode = configSettings->readEntry("/listMode", "symbol");
1419         if (listMode == "single")
1420                 showSingleView();
1421         else if (listMode == "full")
1422                 showFullView();
1423         else /*if (listMode == "split")*/
1424                 showSplitView();
1425
1426         // UI setup done, restore splitter positions
1427         QValueList<int> sizes = configSettings->readSizes("/split1", &ok);
1428         if (ok)
1429                 split1->setSizes(sizes);
1430
1431         sizes = configSettings->readSizes("/split2", &ok);
1432         if (ok)
1433                 split2->setSizes(sizes);
1434 }
1435
1436 void ConfigMainWindow::loadConfig(void)
1437 {
1438         QString s = QFileDialog::getOpenFileName(".config", NULL, this);
1439         if (s.isNull())
1440                 return;
1441         if (conf_read(QFile::encodeName(s)))
1442                 QMessageBox::information(this, "qconf", "Unable to load configuration!");
1443         ConfigView::updateListAll();
1444 }
1445
1446 void ConfigMainWindow::saveConfig(void)
1447 {
1448         if (conf_write(NULL))
1449                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1450 }
1451
1452 void ConfigMainWindow::saveConfigAs(void)
1453 {
1454         QString s = QFileDialog::getSaveFileName(".config", NULL, this);
1455         if (s.isNull())
1456                 return;
1457         if (conf_write(QFile::encodeName(s)))
1458                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1459 }
1460
1461 void ConfigMainWindow::searchConfig(void)
1462 {
1463         if (!searchWindow)
1464                 searchWindow = new ConfigSearchWindow(this, "search");
1465         searchWindow->show();
1466 }
1467
1468 void ConfigMainWindow::changeMenu(struct menu *menu)
1469 {
1470         configList->setRootMenu(menu);
1471         backAction->setEnabled(TRUE);
1472 }
1473
1474 void ConfigMainWindow::setMenuLink(struct menu *menu)
1475 {
1476         struct menu *parent;
1477         ConfigList* list = NULL;
1478         ConfigItem* item;
1479
1480         if (!menu_is_visible(menu) && !configView->showAll())
1481                 return;
1482
1483         switch (configList->mode) {
1484         case singleMode:
1485                 list = configList;
1486                 parent = menu_get_parent_menu(menu);
1487                 if (!parent)
1488                         return;
1489                 list->setRootMenu(parent);
1490                 break;
1491         case symbolMode:
1492                 if (menu->flags & MENU_ROOT) {
1493                         configList->setRootMenu(menu);
1494                         configList->clearSelection();
1495                         list = menuList;
1496                 } else {
1497                         list = configList;
1498                         parent = menu_get_parent_menu(menu->parent);
1499                         if (!parent)
1500                                 return;
1501                         item = menuList->findConfigItem(parent);
1502                         if (item) {
1503                                 menuList->setSelected(item, TRUE);
1504                                 menuList->ensureItemVisible(item);
1505                         }
1506                         list->setRootMenu(parent);
1507                 }
1508                 break;
1509         case fullMode:
1510                 list = configList;
1511                 break;
1512         }
1513
1514         if (list) {
1515                 item = list->findConfigItem(menu);
1516                 if (item) {
1517                         list->setSelected(item, TRUE);
1518                         list->ensureItemVisible(item);
1519                         list->setFocus();
1520                 }
1521         }
1522 }
1523
1524 void ConfigMainWindow::listFocusChanged(void)
1525 {
1526         if (menuList->mode == menuMode)
1527                 configList->clearSelection();
1528 }
1529
1530 void ConfigMainWindow::goBack(void)
1531 {
1532         ConfigItem* item;
1533
1534         configList->setParentMenu();
1535         if (configList->rootEntry == &rootmenu)
1536                 backAction->setEnabled(FALSE);
1537         item = (ConfigItem*)menuList->selectedItem();
1538         while (item) {
1539                 if (item->menu == configList->rootEntry) {
1540                         menuList->setSelected(item, TRUE);
1541                         break;
1542                 }
1543                 item = (ConfigItem*)item->parent();
1544         }
1545 }
1546
1547 void ConfigMainWindow::showSingleView(void)
1548 {
1549         menuView->hide();
1550         menuList->setRootMenu(0);
1551         configList->mode = singleMode;
1552         if (configList->rootEntry == &rootmenu)
1553                 configList->updateListAll();
1554         else
1555                 configList->setRootMenu(&rootmenu);
1556         configList->setAllOpen(TRUE);
1557         configList->setFocus();
1558 }
1559
1560 void ConfigMainWindow::showSplitView(void)
1561 {
1562         configList->mode = symbolMode;
1563         if (configList->rootEntry == &rootmenu)
1564                 configList->updateListAll();
1565         else
1566                 configList->setRootMenu(&rootmenu);
1567         configList->setAllOpen(TRUE);
1568         configApp->processEvents();
1569         menuList->mode = menuMode;
1570         menuList->setRootMenu(&rootmenu);
1571         menuList->setAllOpen(TRUE);
1572         menuView->show();
1573         menuList->setFocus();
1574 }
1575
1576 void ConfigMainWindow::showFullView(void)
1577 {
1578         menuView->hide();
1579         menuList->setRootMenu(0);
1580         configList->mode = fullMode;
1581         if (configList->rootEntry == &rootmenu)
1582                 configList->updateListAll();
1583         else
1584                 configList->setRootMenu(&rootmenu);
1585         configList->setAllOpen(FALSE);
1586         configList->setFocus();
1587 }
1588
1589 /*
1590  * ask for saving configuration before quitting
1591  * TODO ask only when something changed
1592  */
1593 void ConfigMainWindow::closeEvent(QCloseEvent* e)
1594 {
1595         if (!conf_get_changed()) {
1596                 e->accept();
1597                 return;
1598         }
1599         QMessageBox mb("qconf", "Save configuration?", QMessageBox::Warning,
1600                         QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
1601         mb.setButtonText(QMessageBox::Yes, "&Save Changes");
1602         mb.setButtonText(QMessageBox::No, "&Discard Changes");
1603         mb.setButtonText(QMessageBox::Cancel, "Cancel Exit");
1604         switch (mb.exec()) {
1605         case QMessageBox::Yes:
1606                 conf_write(NULL);
1607         case QMessageBox::No:
1608                 e->accept();
1609                 break;
1610         case QMessageBox::Cancel:
1611                 e->ignore();
1612                 break;
1613         }
1614 }
1615
1616 void ConfigMainWindow::showIntro(void)
1617 {
1618         static char str[] = "Welcome to the qconf graphical kernel configuration tool for Linux.\n\n"
1619                 "For each option, a blank box indicates the feature is disabled, a check\n"
1620                 "indicates it is enabled, and a dot indicates that it is to be compiled\n"
1621                 "as a module.  Clicking on the box will cycle through the three states.\n\n"
1622                 "If you do not see an option (e.g., a device driver) that you believe\n"
1623                 "should be present, try turning on Show All Options under the Options menu.\n"
1624                 "Although there is no cross reference yet to help you figure out what other\n"
1625                 "options must be enabled to support the option you are interested in, you can\n"
1626                 "still view the help of a grayed-out option.\n\n"
1627                 "Toggling Show Debug Info under the Options menu will show the dependencies,\n"
1628                 "which you can then match by examining other options.\n\n";
1629
1630         QMessageBox::information(this, "qconf", str);
1631 }
1632
1633 void ConfigMainWindow::showAbout(void)
1634 {
1635         static char str[] = "qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n\n"
1636                 "Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n";
1637
1638         QMessageBox::information(this, "qconf", str);
1639 }
1640
1641 void ConfigMainWindow::saveSettings(void)
1642 {
1643         configSettings->writeEntry("/window x", pos().x());
1644         configSettings->writeEntry("/window y", pos().y());
1645         configSettings->writeEntry("/window width", size().width());
1646         configSettings->writeEntry("/window height", size().height());
1647
1648         QString entry;
1649         switch(configList->mode) {
1650         case singleMode :
1651                 entry = "single";
1652                 break;
1653
1654         case symbolMode :
1655                 entry = "split";
1656                 break;
1657
1658         case fullMode :
1659                 entry = "full";
1660                 break;
1661         }
1662         configSettings->writeEntry("/listMode", entry);
1663
1664         configSettings->writeSizes("/split1", split1->sizes());
1665         configSettings->writeSizes("/split2", split2->sizes());
1666 }
1667
1668 void ConfigMainWindow::conf_changed(void)
1669 {
1670         if (saveAction)
1671                 saveAction->setEnabled(conf_get_changed());
1672 }
1673
1674 void fixup_rootmenu(struct menu *menu)
1675 {
1676         struct menu *child;
1677         static int menu_cnt = 0;
1678
1679         menu->flags |= MENU_ROOT;
1680         for (child = menu->list; child; child = child->next) {
1681                 if (child->prompt && child->prompt->type == P_MENU) {
1682                         menu_cnt++;
1683                         fixup_rootmenu(child);
1684                         menu_cnt--;
1685                 } else if (!menu_cnt)
1686                         fixup_rootmenu(child);
1687         }
1688 }
1689
1690 static const char *progname;
1691
1692 static void usage(void)
1693 {
1694         printf("%s <config>\n", progname);
1695         exit(0);
1696 }
1697
1698 int main(int ac, char** av)
1699 {
1700         ConfigMainWindow* v;
1701         const char *name;
1702
1703         bindtextdomain(PACKAGE, LOCALEDIR);
1704         textdomain(PACKAGE);
1705
1706 #ifndef LKC_DIRECT_LINK
1707         kconfig_load();
1708 #endif
1709
1710         progname = av[0];
1711         configApp = new QApplication(ac, av);
1712         if (ac > 1 && av[1][0] == '-') {
1713                 switch (av[1][1]) {
1714                 case 'h':
1715                 case '?':
1716                         usage();
1717                 }
1718                 name = av[2];
1719         } else
1720                 name = av[1];
1721         if (!name)
1722                 usage();
1723
1724         conf_parse(name);
1725         fixup_rootmenu(&rootmenu);
1726         conf_read(NULL);
1727         //zconfdump(stdout);
1728
1729         configSettings = new ConfigSettings();
1730         configSettings->beginGroup("/kconfig/qconf");
1731         v = new ConfigMainWindow();
1732
1733         //zconfdump(stdout);
1734         configApp->setMainWidget(v);
1735         configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
1736         configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
1737         v->show();
1738         configApp->exec();
1739
1740         configSettings->endGroup();
1741         delete configSettings;
1742
1743         return 0;
1744 }