SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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 (!child->sym && !child->list && !child->prompt)
 610                                 continue;
 611                         if (!item || item->menu != child)
 612                                 item = new ConfigItem(parent, last, child, visible);
 613                         else
 614                                 item->testUpdateMenu(visible);
 615
 616                         if (mode == fullMode || mode == menuMode || type != P_MENU)
 617                                 updateMenuList(item, child);
 618                         else
 619                                 updateMenuList(item, 0);
 620                         last = item;
 621                         continue;
 622                 }
 623         hide:
 624                 if (item && item->menu == child) {
 625                         last = parent->firstChild();
 626                         if (last == item)
 627                                 last = 0;
 628                         else while (last->nextSibling() != item)
 629                                 last = last->nextSibling();
 630                         delete item;
 631                 }
 632         }
 633 }
 634
 635 void ConfigList::keyPressEvent(QKeyEvent* ev)
 636 {
 637         QListViewItem* i = currentItem();
 638         ConfigItem* item;
 639         struct menu *menu;
 640         enum prop_type type;
 641
 642         if (ev->key() == Key_Escape && mode != fullMode && mode != listMode) {
 643                 emit parentSelected();
 644                 ev->accept();
 645                 return;
 646         }
 647
 648         if (!i) {
 649                 Parent::keyPressEvent(ev);
 650                 return;
 651         }
 652         item = (ConfigItem*)i;
 653
 654         switch (ev->key()) {
 655         case Key_Return:
 656         case Key_Enter:
 657                 if (item->goParent) {
 658                         emit parentSelected();
 659                         break;
 660                 }
 661                 menu = item->menu;
 662                 if (!menu)
 663                         break;
 664                 type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 665                 if (type == P_MENU && rootEntry != menu &&
 666                     mode != fullMode && mode != menuMode) {
 667                         emit menuSelected(menu);
 668                         break;
 669                 }
 670         case Key_Space:
 671                 changeValue(item);
 672                 break;
 673         case Key_N:
 674                 setValue(item, no);
 675                 break;
 676         case Key_M:
 677                 setValue(item, mod);
 678                 break;
 679         case Key_Y:
 680                 setValue(item, yes);
 681                 break;
 682         default:
 683                 Parent::keyPressEvent(ev);
 684                 return;
 685         }
 686         ev->accept();
 687 }
 688
 689 void ConfigList::contentsMousePressEvent(QMouseEvent* e)
 690 {
 691         //QPoint p(contentsToViewport(e->pos()));
 692         //printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
 693         Parent::contentsMousePressEvent(e);
 694 }
 695
 696 void ConfigList::contentsMouseReleaseEvent(QMouseEvent* e)
 697 {
 698         QPoint p(contentsToViewport(e->pos()));
 699         ConfigItem* item = (ConfigItem*)itemAt(p);
 700         struct menu *menu;
 701         enum prop_type ptype;
 702         const QPixmap* pm;
 703         int idx, x;
 704
 705         if (!item)
 706                 goto skip;
 707
 708         menu = item->menu;
 709         x = header()->offset() + p.x();
 710         idx = colRevMap[header()->sectionAt(x)];
 711         switch (idx) {
 712         case promptColIdx:
 713                 pm = item->pixmap(promptColIdx);
 714                 if (pm) {
 715                         int off = header()->sectionPos(0) + itemMargin() +
 716                                 treeStepSize() * (item->depth() + (rootIsDecorated() ? 1 : 0));
 717                         if (x >= off && x < off + pm->width()) {
 718                                 if (item->goParent) {
 719                                         emit parentSelected();
 720                                         break;
 721                                 } else if (!menu)
 722                                         break;
 723                                 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 724                                 if (ptype == P_MENU && rootEntry != menu &&
 725                                     mode != fullMode && mode != menuMode)
 726                                         emit menuSelected(menu);
 727                                 else
 728                                         changeValue(item);
 729                         }
 730                 }
 731                 break;
 732         case noColIdx:
 733                 setValue(item, no);
 734                 break;
 735         case modColIdx:
 736                 setValue(item, mod);
 737                 break;
 738         case yesColIdx:
 739                 setValue(item, yes);
 740                 break;
 741         case dataColIdx:
 742                 changeValue(item);
 743                 break;
 744         }
 745
 746 skip:
 747         //printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
 748         Parent::contentsMouseReleaseEvent(e);
 749 }
 750
 751 void ConfigList::contentsMouseMoveEvent(QMouseEvent* e)
 752 {
 753         //QPoint p(contentsToViewport(e->pos()));
 754         //printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
 755         Parent::contentsMouseMoveEvent(e);
 756 }
 757
 758 void ConfigList::contentsMouseDoubleClickEvent(QMouseEvent* e)
 759 {
 760         QPoint p(contentsToViewport(e->pos()));
 761         ConfigItem* item = (ConfigItem*)itemAt(p);
 762         struct menu *menu;
 763         enum prop_type ptype;
 764
 765         if (!item)
 766                 goto skip;
 767         if (item->goParent) {
 768                 emit parentSelected();
 769                 goto skip;
 770         }
 771         menu = item->menu;
 772         if (!menu)
 773                 goto skip;
 774         ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
 775         if (ptype == P_MENU && (mode == singleMode || mode == symbolMode))
 776                 emit menuSelected(menu);
 777         else if (menu->sym)
 778                 changeValue(item);
 779
 780 skip:
 781         //printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
 782         Parent::contentsMouseDoubleClickEvent(e);
 783 }
 784
 785 void ConfigList::focusInEvent(QFocusEvent *e)
 786 {
 787         struct menu *menu = NULL;
 788
 789         Parent::focusInEvent(e);
 790
 791         ConfigItem* item = (ConfigItem *)currentItem();
 792         if (item) {
 793                 setSelected(item, TRUE);
 794                 menu = item->menu;
 795         }
 796         emit gotFocus(menu);
 797 }
 798
 799 void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 800 {
 801         if (e->y() <= header()->geometry().bottom()) {
 802                 if (!headerPopup) {
 803                         QAction *action;
 804
 805                         headerPopup = new QPopupMenu(this);
 806                         action = new QAction(NULL, "Show Name", 0, this);
 807                           action->setToggleAction(TRUE);
 808                           connect(action, SIGNAL(toggled(bool)),
 809                                   parent(), SLOT(setShowName(bool)));
 810                           connect(parent(), SIGNAL(showNameChanged(bool)),
 811                                   action, SLOT(setOn(bool)));
 812                           action->setOn(showName);
 813                           action->addTo(headerPopup);
 814                         action = new QAction(NULL, "Show Range", 0, this);
 815                           action->setToggleAction(TRUE);
 816                           connect(action, SIGNAL(toggled(bool)),
 817                                   parent(), SLOT(setShowRange(bool)));
 818                           connect(parent(), SIGNAL(showRangeChanged(bool)),
 819                                   action, SLOT(setOn(bool)));
 820                           action->setOn(showRange);
 821                           action->addTo(headerPopup);
 822                         action = new QAction(NULL, "Show Data", 0, this);
 823                           action->setToggleAction(TRUE);
 824                           connect(action, SIGNAL(toggled(bool)),
 825                                   parent(), SLOT(setShowData(bool)));
 826                           connect(parent(), SIGNAL(showDataChanged(bool)),
 827                                   action, SLOT(setOn(bool)));
 828                           action->setOn(showData);
 829                           action->addTo(headerPopup);
 830                 }
 831                 headerPopup->exec(e->globalPos());
 832                 e->accept();
 833         } else
 834                 e->ignore();
 835 }
 836
 837 ConfigView* ConfigView::viewList;
 838
 839 ConfigView::ConfigView(QWidget* parent, const char *name)
 840         : Parent(parent, name)
 841 {
 842         list = new ConfigList(this, name);
 843         lineEdit = new ConfigLineEdit(this);
 844         lineEdit->hide();
 845
 846         this->nextView = viewList;
 847         viewList = this;
 848 }
 849
 850 ConfigView::~ConfigView(void)
 851 {
 852         ConfigView** vp;
 853
 854         for (vp = &viewList; *vp; vp = &(*vp)->nextView) {
 855                 if (*vp == this) {
 856                         *vp = nextView;
 857                         break;
 858                 }
 859         }
 860 }
 861
 862 void ConfigView::setShowAll(bool b)
 863 {
 864         if (list->showAll != b) {
 865                 list->showAll = b;
 866                 list->updateListAll();
 867                 emit showAllChanged(b);
 868         }
 869 }
 870
 871 void ConfigView::setShowName(bool b)
 872 {
 873         if (list->showName != b) {
 874                 list->showName = b;
 875                 list->reinit();
 876                 emit showNameChanged(b);
 877         }
 878 }
 879
 880 void ConfigView::setShowRange(bool b)
 881 {
 882         if (list->showRange != b) {
 883                 list->showRange = b;
 884                 list->reinit();
 885                 emit showRangeChanged(b);
 886         }
 887 }
 888
 889 void ConfigView::setShowData(bool b)
 890 {
 891         if (list->showData != b) {
 892                 list->showData = b;
 893                 list->reinit();
 894                 emit showDataChanged(b);
 895         }
 896 }
 897
 898 void ConfigList::setAllOpen(bool open)
 899 {
 900         QListViewItemIterator it(this);
 901
 902         for (; it.current(); it++)
 903                 it.current()->setOpen(open);
 904 }
 905
 906 void ConfigView::updateList(ConfigItem* item)
 907 {
 908         ConfigView* v;
 909
 910         for (v = viewList; v; v = v->nextView)
 911                 v->list->updateList(item);
 912 }
 913
 914 void ConfigView::updateListAll(void)
 915 {
 916         ConfigView* v;
 917
 918         for (v = viewList; v; v = v->nextView)
 919                 v->list->updateListAll();
 920 }
 921
 922 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
 923         : Parent(parent, name), menu(0), sym(0)
 924 {
 925         if (name) {
 926                 configSettings->beginGroup(name);
 927                 _showDebug = configSettings->readBoolEntry("/showDebug", false);
 928                 configSettings->endGroup();
 929                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
 930         }
 931 }
 932
 933 void ConfigInfoView::saveSettings(void)
 934 {
 935         if (name()) {
 936                 configSettings->beginGroup(name());
 937                 configSettings->writeEntry("/showDebug", showDebug());
 938                 configSettings->endGroup();
 939         }
 940 }
 941
 942 void ConfigInfoView::setShowDebug(bool b)
 943 {
 944         if (_showDebug != b) {
 945                 _showDebug = b;
 946                 if (menu)
 947                         menuInfo();
 948                 else if (sym)
 949                         symbolInfo();
 950                 emit showDebugChanged(b);
 951         }
 952 }
 953
 954 void ConfigInfoView::setInfo(struct menu *m)
 955 {
 956         if (menu == m)
 957                 return;
 958         menu = m;
 959         sym = NULL;
 960         if (!menu)
 961                 clear();
 962         else
 963                 menuInfo();
 964 }
 965
 966 void ConfigInfoView::setSource(const QString& name)
 967 {
 968         const char *p = name.latin1();
 969
 970         menu = NULL;
 971         sym = NULL;
 972
 973         switch (p[0]) {
 974         case 'm':
 975                 struct menu *m;
 976
 977                 if (sscanf(p, "m%p", &m) == 1 && menu != m) {
 978                         menu = m;
 979                         menuInfo();
 980                         emit menuSelected(menu);
 981                 }
 982                 break;
 983         case 's':
 984                 struct symbol *s;
 985
 986                 if (sscanf(p, "s%p", &s) == 1 && sym != s) {
 987                         sym = s;
 988                         symbolInfo();
 989                 }
 990                 break;
 991         }
 992 }
 993
 994 void ConfigInfoView::symbolInfo(void)
 995 {
 996         QString str;
 997
 998         str += "<big>Symbol: <b>";
 999         str += print_filter(sym->name);
1000         str += "</b></big><br><br>value: ";
1001         str += print_filter(sym_get_string_value(sym));
1002         str += "<br>visibility: ";
1003         str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
1004         str += "<br>";
1005         str += debug_info(sym);
1006
1007         setText(str);
1008 }
1009
1010 void ConfigInfoView::menuInfo(void)
1011 {
1012         struct symbol* sym;
1013         QString head, debug, help;
1014
1015         sym = menu->sym;
1016         if (sym) {
1017                 if (menu->prompt) {
1018                         head += "<big><b>";
1019                         head += print_filter(_(menu->prompt->text));
1020                         head += "</b></big>";
1021                         if (sym->name) {
1022                                 head += " (";
1023                                 if (showDebug())
1024                                         head += QString().sprintf("<a href=\"s%p\">", sym);
1025                                 head += print_filter(sym->name);
1026                                 if (showDebug())
1027                                         head += "</a>";
1028                                 head += ")";
1029                         }
1030                 } else if (sym->name) {
1031                         head += "<big><b>";
1032                         if (showDebug())
1033                                 head += QString().sprintf("<a href=\"s%p\">", sym);
1034                         head += print_filter(sym->name);
1035                         if (showDebug())
1036                                 head += "</a>";
1037                         head += "</b></big>";
1038                 }
1039                 head += "<br><br>";
1040
1041                 if (showDebug())
1042                         debug = debug_info(sym);
1043
1044                 help = print_filter(_(menu_get_help(menu)));
1045         } else if (menu->prompt) {
1046                 head += "<big><b>";
1047                 head += print_filter(_(menu->prompt->text));
1048                 head += "</b></big><br><br>";
1049                 if (showDebug()) {
1050                         if (menu->prompt->visible.expr) {
1051                                 debug += "&nbsp;&nbsp;dep: ";
1052                                 expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
1053                                 debug += "<br><br>";
1054                         }
1055                 }
1056         }
1057         if (showDebug())
1058                 debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
1059
1060         setText(head + debug + help);
1061 }
1062
1063 QString ConfigInfoView::debug_info(struct symbol *sym)
1064 {
1065         QString debug;
1066
1067         debug += "type: ";
1068         debug += print_filter(sym_type_name(sym->type));
1069         if (sym_is_choice(sym))
1070                 debug += " (choice)";
1071         debug += "<br>";
1072         if (sym->rev_dep.expr) {
1073                 debug += "reverse dep: ";
1074                 expr_print(sym->rev_dep.expr, expr_print_help, &debug, E_NONE);
1075                 debug += "<br>";
1076         }
1077         for (struct property *prop = sym->prop; prop; prop = prop->next) {
1078                 switch (prop->type) {
1079                 case P_PROMPT:
1080                 case P_MENU:
1081                         debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
1082                         debug += print_filter(_(prop->text));
1083                         debug += "</a><br>";
1084                         break;
1085                 case P_DEFAULT:
1086                         debug += "default: ";
1087                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1088                         debug += "<br>";
1089                         break;
1090                 case P_CHOICE:
1091                         if (sym_is_choice(sym)) {
1092                                 debug += "choice: ";
1093                                 expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1094                                 debug += "<br>";
1095                         }
1096                         break;
1097                 case P_SELECT:
1098                         debug += "select: ";
1099                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1100                         debug += "<br>";
1101                         break;
1102                 case P_RANGE:
1103                         debug += "range: ";
1104                         expr_print(prop->expr, expr_print_help, &debug, E_NONE);
1105                         debug += "<br>";
1106                         break;
1107                 default:
1108                         debug += "unknown property: ";
1109                         debug += prop_get_type_name(prop->type);
1110                         debug += "<br>";
1111                 }
1112                 if (prop->visible.expr) {
1113                         debug += "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
1114                         expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
1115                         debug += "<br>";
1116                 }
1117         }
1118         debug += "<br>";
1119
1120         return debug;
1121 }
1122
1123 QString ConfigInfoView::print_filter(const QString &str)
1124 {
1125         QRegExp re("[<>&\"\\n]");
1126         QString res = str;
1127         for (int i = 0; (i = res.find(re, i)) >= 0;) {
1128                 switch (res[i].latin1()) {
1129                 case '<':
1130                         res.replace(i, 1, "&lt;");
1131                         i += 4;
1132                         break;
1133                 case '>':
1134                         res.replace(i, 1, "&gt;");
1135                         i += 4;
1136                         break;
1137                 case '&':
1138                         res.replace(i, 1, "&amp;");
1139                         i += 5;
1140                         break;
1141                 case '"':
1142                         res.replace(i, 1, "&quot;");
1143                         i += 6;
1144                         break;
1145                 case '\n':
1146                         res.replace(i, 1, "<br>");
1147                         i += 4;
1148                         break;
1149                 }
1150         }
1151         return res;
1152 }
1153
1154 void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
1155 {
1156         QString* text = reinterpret_cast<QString*>(data);
1157         QString str2 = print_filter(str);
1158
1159         if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
1160                 *text += QString().sprintf("<a href=\"s%p\">", sym);
1161                 *text += str2;
1162                 *text += "</a>";
1163         } else
1164                 *text += str2;
1165 }
1166
1167 QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
1168 {
1169         QPopupMenu* popup = Parent::createPopupMenu(pos);
1170         QAction* action = new QAction(NULL,"Show Debug Info", 0, popup);
1171           action->setToggleAction(TRUE);
1172           connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
1173           connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
1174           action->setOn(showDebug());
1175         popup->insertSeparator();
1176         action->addTo(popup);
1177         return popup;
1178 }
1179
1180 void ConfigInfoView::contentsContextMenuEvent(QContextMenuEvent *e)
1181 {
1182         Parent::contentsContextMenuEvent(e);
1183 }
1184
1185 ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow* parent, const char *name)
1186         : Parent(parent, name), result(NULL)
1187 {
1188         setCaption("Search Config");
1189
1190         QVBoxLayout* layout1 = new QVBoxLayout(this, 11, 6);
1191         QHBoxLayout* layout2 = new QHBoxLayout(0, 0, 6);
1192         layout2->addWidget(new QLabel("Find:", this));
1193         editField = new QLineEdit(this);
1194         connect(editField, SIGNAL(returnPressed()), SLOT(search()));
1195         layout2->addWidget(editField);
1196         searchButton = new QPushButton("Search", this);
1197         searchButton->setAutoDefault(FALSE);
1198         connect(searchButton, SIGNAL(clicked()), SLOT(search()));
1199         layout2->addWidget(searchButton);
1200         layout1->addLayout(layout2);
1201
1202         split = new QSplitter(this);
1203         split->setOrientation(QSplitter::Vertical);
1204         list = new ConfigView(split, name);
1205         list->list->mode = listMode;
1206         info = new ConfigInfoView(split, name);
1207         connect(list->list, SIGNAL(menuChanged(struct menu *)),
1208                 info, SLOT(setInfo(struct menu *)));
1209         connect(list->list, SIGNAL(menuChanged(struct menu *)),
1210                 parent, SLOT(setMenuLink(struct menu *)));
1211
1212         layout1->addWidget(split);
1213
1214         if (name) {
1215                 int x, y, width, height;
1216                 bool ok;
1217
1218                 configSettings->beginGroup(name);
1219                 width = configSettings->readNumEntry("/window width", parent->width() / 2);
1220                 height = configSettings->readNumEntry("/window height", parent->height() / 2);
1221                 resize(width, height);
1222                 x = configSettings->readNumEntry("/window x", 0, &ok);
1223                 if (ok)
1224                         y = configSettings->readNumEntry("/window y", 0, &ok);
1225                 if (ok)
1226                         move(x, y);
1227                 QValueList<int> sizes = configSettings->readSizes("/split", &ok);
1228                 if (ok)
1229                         split->setSizes(sizes);
1230                 configSettings->endGroup();
1231                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
1232         }
1233 }
1234
1235 void ConfigSearchWindow::saveSettings(void)
1236 {
1237         if (name()) {
1238                 configSettings->beginGroup(name());
1239                 configSettings->writeEntry("/window x", pos().x());
1240                 configSettings->writeEntry("/window y", pos().y());
1241                 configSettings->writeEntry("/window width", size().width());
1242                 configSettings->writeEntry("/window height", size().height());
1243                 configSettings->writeSizes("/split", split->sizes());
1244                 configSettings->endGroup();
1245         }
1246 }
1247
1248 void ConfigSearchWindow::search(void)
1249 {
1250         struct symbol **p;
1251         struct property *prop;
1252         ConfigItem *lastItem = NULL;
1253
1254         free(result);
1255         list->list->clear();
1256         info->clear();
1257
1258         result = sym_re_search(editField->text().latin1());
1259         if (!result)
1260                 return;
1261         for (p = result; *p; p++) {
1262                 for_all_prompts((*p), prop)
1263                         lastItem = new ConfigItem(list->list, lastItem, prop->menu,
1264                                                   menu_is_visible(prop->menu));
1265         }
1266 }
1267
1268 /*
1269  * Construct the complete config widget
1270  */
1271 ConfigMainWindow::ConfigMainWindow(void)
1272         : searchWindow(0)
1273 {
1274         QMenuBar* menu;
1275         bool ok;
1276         int x, y, width, height;
1277
1278         QWidget *d = configApp->desktop();
1279
1280         width = configSettings->readNumEntry("/window width", d->width() - 64);
1281         height = configSettings->readNumEntry("/window height", d->height() - 64);
1282         resize(width, height);
1283         x = configSettings->readNumEntry("/window x", 0, &ok);
1284         if (ok)
1285                 y = configSettings->readNumEntry("/window y", 0, &ok);
1286         if (ok)
1287                 move(x, y);
1288
1289         split1 = new QSplitter(this);
1290         split1->setOrientation(QSplitter::Horizontal);
1291         setCentralWidget(split1);
1292
1293         menuView = new ConfigView(split1, "menu");
1294         menuList = menuView->list;
1295
1296         split2 = new QSplitter(split1);
1297         split2->setOrientation(QSplitter::Vertical);
1298
1299         // create config tree
1300         configView = new ConfigView(split2, "config");
1301         configList = configView->list;
1302
1303         helpText = new ConfigInfoView(split2, "help");
1304         helpText->setTextFormat(Qt::RichText);
1305
1306         setTabOrder(configList, helpText);
1307         configList->setFocus();
1308
1309         menu = menuBar();
1310         toolBar = new QToolBar("Tools", this);
1311
1312         backAction = new QAction("Back", QPixmap(xpm_back), "Back", 0, this);
1313           connect(backAction, SIGNAL(activated()), SLOT(goBack()));
1314           backAction->setEnabled(FALSE);
1315         QAction *quitAction = new QAction("Quit", "&Quit", CTRL+Key_Q, this);
1316           connect(quitAction, SIGNAL(activated()), SLOT(close()));
1317         QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
1318           connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
1319         saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
1320           connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
1321         conf_set_changed_callback(conf_changed);
1322         // Set saveAction's initial state
1323         conf_changed();
1324         QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
1325           connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
1326         QAction *searchAction = new QAction("Find", "&Find", CTRL+Key_F, this);
1327           connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
1328         QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), "Split View", 0, this);
1329           connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
1330         QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), "Split View", 0, this);
1331           connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
1332         QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), "Full View", 0, this);
1333           connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
1334
1335         QAction *showNameAction = new QAction(NULL, "Show Name", 0, this);
1336           showNameAction->setToggleAction(TRUE);
1337           connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
1338           connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
1339           showNameAction->setOn(configView->showName());
1340         QAction *showRangeAction = new QAction(NULL, "Show Range", 0, this);
1341           showRangeAction->setToggleAction(TRUE);
1342           connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
1343           connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
1344           showRangeAction->setOn(configList->showRange);
1345         QAction *showDataAction = new QAction(NULL, "Show Data", 0, this);
1346           showDataAction->setToggleAction(TRUE);
1347           connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
1348           connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
1349           showDataAction->setOn(configList->showData);
1350         QAction *showAllAction = new QAction(NULL, "Show All Options", 0, this);
1351           showAllAction->setToggleAction(TRUE);
1352           connect(showAllAction, SIGNAL(toggled(bool)), configView, SLOT(setShowAll(bool)));
1353           connect(showAllAction, SIGNAL(toggled(bool)), menuView, SLOT(setShowAll(bool)));
1354           showAllAction->setOn(configList->showAll);
1355         QAction *showDebugAction = new QAction(NULL, "Show Debug Info", 0, this);
1356           showDebugAction->setToggleAction(TRUE);
1357           connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
1358           connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
1359           showDebugAction->setOn(helpText->showDebug());
1360
1361         QAction *showIntroAction = new QAction(NULL, "Introduction", 0, this);
1362           connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
1363         QAction *showAboutAction = new QAction(NULL, "About", 0, this);
1364           connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
1365
1366         // init tool bar
1367         backAction->addTo(toolBar);
1368         toolBar->addSeparator();
1369         loadAction->addTo(toolBar);
1370         saveAction->addTo(toolBar);
1371         toolBar->addSeparator();
1372         singleViewAction->addTo(toolBar);
1373         splitViewAction->addTo(toolBar);
1374         fullViewAction->addTo(toolBar);
1375
1376         // create config menu
1377         QPopupMenu* config = new QPopupMenu(this);
1378         menu->insertItem("&File", config);
1379         loadAction->addTo(config);
1380         saveAction->addTo(config);
1381         saveAsAction->addTo(config);
1382         config->insertSeparator();
1383         quitAction->addTo(config);
1384
1385         // create edit menu
1386         QPopupMenu* editMenu = new QPopupMenu(this);
1387         menu->insertItem("&Edit", editMenu);
1388         searchAction->addTo(editMenu);
1389
1390         // create options menu
1391         QPopupMenu* optionMenu = new QPopupMenu(this);
1392         menu->insertItem("&Option", optionMenu);
1393         showNameAction->addTo(optionMenu);
1394         showRangeAction->addTo(optionMenu);
1395         showDataAction->addTo(optionMenu);
1396         optionMenu->insertSeparator();
1397         showAllAction->addTo(optionMenu);
1398         showDebugAction->addTo(optionMenu);
1399
1400         // create help menu
1401         QPopupMenu* helpMenu = new QPopupMenu(this);
1402         menu->insertSeparator();
1403         menu->insertItem("&Help", helpMenu);
1404         showIntroAction->addTo(helpMenu);
1405         showAboutAction->addTo(helpMenu);
1406
1407         connect(configList, SIGNAL(menuChanged(struct menu *)),
1408                 helpText, SLOT(setInfo(struct menu *)));
1409         connect(configList, SIGNAL(menuSelected(struct menu *)),
1410                 SLOT(changeMenu(struct menu *)));
1411         connect(configList, SIGNAL(parentSelected()),
1412                 SLOT(goBack()));
1413         connect(menuList, SIGNAL(menuChanged(struct menu *)),
1414                 helpText, SLOT(setInfo(struct menu *)));
1415         connect(menuList, SIGNAL(menuSelected(struct menu *)),
1416                 SLOT(changeMenu(struct menu *)));
1417
1418         connect(configList, SIGNAL(gotFocus(struct menu *)),
1419                 helpText, SLOT(setInfo(struct menu *)));
1420         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1421                 helpText, SLOT(setInfo(struct menu *)));
1422         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1423                 SLOT(listFocusChanged(void)));
1424         connect(helpText, SIGNAL(menuSelected(struct menu *)),
1425                 SLOT(setMenuLink(struct menu *)));
1426
1427         QString listMode = configSettings->readEntry("/listMode", "symbol");
1428         if (listMode == "single")
1429                 showSingleView();
1430         else if (listMode == "full")
1431                 showFullView();
1432         else /*if (listMode == "split")*/
1433                 showSplitView();
1434
1435         // UI setup done, restore splitter positions
1436         QValueList<int> sizes = configSettings->readSizes("/split1", &ok);
1437         if (ok)
1438                 split1->setSizes(sizes);
1439
1440         sizes = configSettings->readSizes("/split2", &ok);
1441         if (ok)
1442                 split2->setSizes(sizes);
1443 }
1444
1445 void ConfigMainWindow::loadConfig(void)
1446 {
1447         QString s = QFileDialog::getOpenFileName(".config", NULL, this);
1448         if (s.isNull())
1449                 return;
1450         if (conf_read(QFile::encodeName(s)))
1451                 QMessageBox::information(this, "qconf", "Unable to load configuration!");
1452         ConfigView::updateListAll();
1453 }
1454
1455 void ConfigMainWindow::saveConfig(void)
1456 {
1457         if (conf_write(NULL))
1458                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1459 }
1460
1461 void ConfigMainWindow::saveConfigAs(void)
1462 {
1463         QString s = QFileDialog::getSaveFileName(".config", NULL, this);
1464         if (s.isNull())
1465                 return;
1466         if (conf_write(QFile::encodeName(s)))
1467                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1468 }
1469
1470 void ConfigMainWindow::searchConfig(void)
1471 {
1472         if (!searchWindow)
1473                 searchWindow = new ConfigSearchWindow(this, "search");
1474         searchWindow->show();
1475 }
1476
1477 void ConfigMainWindow::changeMenu(struct menu *menu)
1478 {
1479         configList->setRootMenu(menu);
1480         if (configList->rootEntry->parent == &rootmenu)
1481                 backAction->setEnabled(FALSE);
1482         else
1483                 backAction->setEnabled(TRUE);
1484 }
1485
1486 void ConfigMainWindow::setMenuLink(struct menu *menu)
1487 {
1488         struct menu *parent;
1489         ConfigList* list = NULL;
1490         ConfigItem* item;
1491
1492         if (!menu_is_visible(menu) && !configView->showAll())
1493                 return;
1494
1495         switch (configList->mode) {
1496         case singleMode:
1497                 list = configList;
1498                 parent = menu_get_parent_menu(menu);
1499                 if (!parent)
1500                         return;
1501                 list->setRootMenu(parent);
1502                 break;
1503         case symbolMode:
1504                 if (menu->flags & MENU_ROOT) {
1505                         configList->setRootMenu(menu);
1506                         configList->clearSelection();
1507                         list = menuList;
1508                 } else {
1509                         list = configList;
1510                         parent = menu_get_parent_menu(menu->parent);
1511                         if (!parent)
1512                                 return;
1513                         item = menuList->findConfigItem(parent);
1514                         if (item) {
1515                                 menuList->setSelected(item, TRUE);
1516                                 menuList->ensureItemVisible(item);
1517                         }
1518                         list->setRootMenu(parent);
1519                 }
1520                 break;
1521         case fullMode:
1522                 list = configList;
1523                 break;
1524         }
1525
1526         if (list) {
1527                 item = list->findConfigItem(menu);
1528                 if (item) {
1529                         list->setSelected(item, TRUE);
1530                         list->ensureItemVisible(item);
1531                         list->setFocus();
1532                 }
1533         }
1534 }
1535
1536 void ConfigMainWindow::listFocusChanged(void)
1537 {
1538         if (menuList->mode == menuMode)
1539                 configList->clearSelection();
1540 }
1541
1542 void ConfigMainWindow::goBack(void)
1543 {
1544         ConfigItem* item;
1545
1546         configList->setParentMenu();
1547         if (configList->rootEntry == &rootmenu)
1548                 backAction->setEnabled(FALSE);
1549         item = (ConfigItem*)menuList->selectedItem();
1550         while (item) {
1551                 if (item->menu == configList->rootEntry) {
1552                         menuList->setSelected(item, TRUE);
1553                         break;
1554                 }
1555                 item = (ConfigItem*)item->parent();
1556         }
1557 }
1558
1559 void ConfigMainWindow::showSingleView(void)
1560 {
1561         menuView->hide();
1562         menuList->setRootMenu(0);
1563         configList->mode = singleMode;
1564         if (configList->rootEntry == &rootmenu)
1565                 configList->updateListAll();
1566         else
1567                 configList->setRootMenu(&rootmenu);
1568         configList->setAllOpen(TRUE);
1569         configList->setFocus();
1570 }
1571
1572 void ConfigMainWindow::showSplitView(void)
1573 {
1574         configList->mode = symbolMode;
1575         if (configList->rootEntry == &rootmenu)
1576                 configList->updateListAll();
1577         else
1578                 configList->setRootMenu(&rootmenu);
1579         configList->setAllOpen(TRUE);
1580         configApp->processEvents();
1581         menuList->mode = menuMode;
1582         menuList->setRootMenu(&rootmenu);
1583         menuList->setAllOpen(TRUE);
1584         menuView->show();
1585         menuList->setFocus();
1586 }
1587
1588 void ConfigMainWindow::showFullView(void)
1589 {
1590         menuView->hide();
1591         menuList->setRootMenu(0);
1592         configList->mode = fullMode;
1593         if (configList->rootEntry == &rootmenu)
1594                 configList->updateListAll();
1595         else
1596                 configList->setRootMenu(&rootmenu);
1597         configList->setAllOpen(FALSE);
1598         configList->setFocus();
1599 }
1600
1601 /*
1602  * ask for saving configuration before quitting
1603  * TODO ask only when something changed
1604  */
1605 void ConfigMainWindow::closeEvent(QCloseEvent* e)
1606 {
1607         if (!conf_get_changed()) {
1608                 e->accept();
1609                 return;
1610         }
1611         QMessageBox mb("qconf", "Save configuration?", QMessageBox::Warning,
1612                         QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
1613         mb.setButtonText(QMessageBox::Yes, "&Save Changes");
1614         mb.setButtonText(QMessageBox::No, "&Discard Changes");
1615         mb.setButtonText(QMessageBox::Cancel, "Cancel Exit");
1616         switch (mb.exec()) {
1617         case QMessageBox::Yes:
1618                 conf_write(NULL);
1619         case QMessageBox::No:
1620                 e->accept();
1621                 break;
1622         case QMessageBox::Cancel:
1623                 e->ignore();
1624                 break;
1625         }
1626 }
1627
1628 void ConfigMainWindow::showIntro(void)
1629 {
1630         static char str[] = "Welcome to the qconf graphical kernel configuration tool for Linux.\n\n"
1631                 "For each option, a blank box indicates the feature is disabled, a check\n"
1632                 "indicates it is enabled, and a dot indicates that it is to be compiled\n"
1633                 "as a module.  Clicking on the box will cycle through the three states.\n\n"
1634                 "If you do not see an option (e.g., a device driver) that you believe\n"
1635                 "should be present, try turning on Show All Options under the Options menu.\n"
1636                 "Although there is no cross reference yet to help you figure out what other\n"
1637                 "options must be enabled to support the option you are interested in, you can\n"
1638                 "still view the help of a grayed-out option.\n\n"
1639                 "Toggling Show Debug Info under the Options menu will show the dependencies,\n"
1640                 "which you can then match by examining other options.\n\n";
1641
1642         QMessageBox::information(this, "qconf", str);
1643 }
1644
1645 void ConfigMainWindow::showAbout(void)
1646 {
1647         static char str[] = "qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n\n"
1648                 "Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n";
1649
1650         QMessageBox::information(this, "qconf", str);
1651 }
1652
1653 void ConfigMainWindow::saveSettings(void)
1654 {
1655         configSettings->writeEntry("/window x", pos().x());
1656         configSettings->writeEntry("/window y", pos().y());
1657         configSettings->writeEntry("/window width", size().width());
1658         configSettings->writeEntry("/window height", size().height());
1659
1660         QString entry;
1661         switch(configList->mode) {
1662         case singleMode :
1663                 entry = "single";
1664                 break;
1665
1666         case symbolMode :
1667                 entry = "split";
1668                 break;
1669
1670         case fullMode :
1671                 entry = "full";
1672                 break;
1673         }
1674         configSettings->writeEntry("/listMode", entry);
1675
1676         configSettings->writeSizes("/split1", split1->sizes());
1677         configSettings->writeSizes("/split2", split2->sizes());
1678 }
1679
1680 void ConfigMainWindow::conf_changed(void)
1681 {
1682         if (saveAction)
1683                 saveAction->setEnabled(conf_get_changed());
1684 }
1685
1686 void fixup_rootmenu(struct menu *menu)
1687 {
1688         struct menu *child;
1689         static int menu_cnt = 0;
1690
1691         menu->flags |= MENU_ROOT;
1692         for (child = menu->list; child; child = child->next) {
1693                 if (child->prompt && child->prompt->type == P_MENU) {
1694                         menu_cnt++;
1695                         fixup_rootmenu(child);
1696                         menu_cnt--;
1697                 } else if (!menu_cnt)
1698                         fixup_rootmenu(child);
1699         }
1700 }
1701
1702 static const char *progname;
1703
1704 static void usage(void)
1705 {
1706         printf("%s <config>\n", progname);
1707         exit(0);
1708 }
1709
1710 int main(int ac, char** av)
1711 {
1712         ConfigMainWindow* v;
1713         const char *name;
1714
1715         bindtextdomain(PACKAGE, LOCALEDIR);
1716         textdomain(PACKAGE);
1717
1718 #ifndef LKC_DIRECT_LINK
1719         kconfig_load();
1720 #endif
1721
1722         progname = av[0];
1723         configApp = new QApplication(ac, av);
1724         if (ac > 1 && av[1][0] == '-') {
1725                 switch (av[1][1]) {
1726                 case 'h':
1727                 case '?':
1728                         usage();
1729                 }
1730                 name = av[2];
1731         } else
1732                 name = av[1];
1733         if (!name)
1734                 usage();
1735
1736         conf_parse(name);
1737         fixup_rootmenu(&rootmenu);
1738         conf_read(NULL);
1739         //zconfdump(stdout);
1740
1741         configSettings = new ConfigSettings();
1742         configSettings->beginGroup("/kconfig/qconf");
1743         v = new ConfigMainWindow();
1744
1745         //zconfdump(stdout);
1746         configApp->setMainWidget(v);
1747         configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
1748         configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
1749         v->show();
1750         configApp->exec();
1751
1752         configSettings->endGroup();
1753         delete configSettings;
1754
1755         return 0;
1756 }