[PATCH] qconf: hide empty list items
[linux-2.6.git] / 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(_(sym->help));
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(QWidget* 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         layout1->addWidget(split);
1210
1211         if (name) {
1212                 int x, y, width, height;
1213                 bool ok;
1214
1215                 configSettings->beginGroup(name);
1216                 width = configSettings->readNumEntry("/window width", parent->width() / 2);
1217                 height = configSettings->readNumEntry("/window height", parent->height() / 2);
1218                 resize(width, height);
1219                 x = configSettings->readNumEntry("/window x", 0, &ok);
1220                 if (ok)
1221                         y = configSettings->readNumEntry("/window y", 0, &ok);
1222                 if (ok)
1223                         move(x, y);
1224                 QValueList<int> sizes = configSettings->readSizes("/split", &ok);
1225                 if (ok)
1226                         split->setSizes(sizes);
1227                 configSettings->endGroup();
1228                 connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
1229         }
1230 }
1231
1232 void ConfigSearchWindow::saveSettings(void)
1233 {
1234         if (name()) {
1235                 configSettings->beginGroup(name());
1236                 configSettings->writeEntry("/window x", pos().x());
1237                 configSettings->writeEntry("/window y", pos().y());
1238                 configSettings->writeEntry("/window width", size().width());
1239                 configSettings->writeEntry("/window height", size().height());
1240                 configSettings->writeSizes("/split", split->sizes());
1241                 configSettings->endGroup();
1242         }
1243 }
1244
1245 void ConfigSearchWindow::search(void)
1246 {
1247         struct symbol **p;
1248         struct property *prop;
1249         ConfigItem *lastItem = NULL;
1250
1251         free(result);
1252         list->list->clear();
1253         info->clear();
1254
1255         result = sym_re_search(editField->text().latin1());
1256         if (!result)
1257                 return;
1258         for (p = result; *p; p++) {
1259                 for_all_prompts((*p), prop)
1260                         lastItem = new ConfigItem(list->list, lastItem, prop->menu,
1261                                                   menu_is_visible(prop->menu));
1262         }
1263 }
1264
1265 /*
1266  * Construct the complete config widget
1267  */
1268 ConfigMainWindow::ConfigMainWindow(void)
1269         : searchWindow(0)
1270 {
1271         QMenuBar* menu;
1272         bool ok;
1273         int x, y, width, height;
1274
1275         QWidget *d = configApp->desktop();
1276
1277         width = configSettings->readNumEntry("/window width", d->width() - 64);
1278         height = configSettings->readNumEntry("/window height", d->height() - 64);
1279         resize(width, height);
1280         x = configSettings->readNumEntry("/window x", 0, &ok);
1281         if (ok)
1282                 y = configSettings->readNumEntry("/window y", 0, &ok);
1283         if (ok)
1284                 move(x, y);
1285
1286         split1 = new QSplitter(this);
1287         split1->setOrientation(QSplitter::Horizontal);
1288         setCentralWidget(split1);
1289
1290         menuView = new ConfigView(split1, "menu");
1291         menuList = menuView->list;
1292
1293         split2 = new QSplitter(split1);
1294         split2->setOrientation(QSplitter::Vertical);
1295
1296         // create config tree
1297         configView = new ConfigView(split2, "config");
1298         configList = configView->list;
1299
1300         helpText = new ConfigInfoView(split2, "help");
1301         helpText->setTextFormat(Qt::RichText);
1302
1303         setTabOrder(configList, helpText);
1304         configList->setFocus();
1305
1306         menu = menuBar();
1307         toolBar = new QToolBar("Tools", this);
1308
1309         backAction = new QAction("Back", QPixmap(xpm_back), "Back", 0, this);
1310           connect(backAction, SIGNAL(activated()), SLOT(goBack()));
1311           backAction->setEnabled(FALSE);
1312         QAction *quitAction = new QAction("Quit", "&Quit", CTRL+Key_Q, this);
1313           connect(quitAction, SIGNAL(activated()), SLOT(close()));
1314         QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
1315           connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
1316         saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
1317           connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
1318         conf_set_changed_callback(conf_changed);
1319         // Set saveAction's initial state
1320         conf_changed();
1321         QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
1322           connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
1323         QAction *searchAction = new QAction("Find", "&Find", CTRL+Key_F, this);
1324           connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
1325         QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), "Split View", 0, this);
1326           connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
1327         QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), "Split View", 0, this);
1328           connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
1329         QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), "Full View", 0, this);
1330           connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
1331
1332         QAction *showNameAction = new QAction(NULL, "Show Name", 0, this);
1333           showNameAction->setToggleAction(TRUE);
1334           connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
1335           connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
1336           showNameAction->setOn(configView->showName());
1337         QAction *showRangeAction = new QAction(NULL, "Show Range", 0, this);
1338           showRangeAction->setToggleAction(TRUE);
1339           connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
1340           connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
1341           showRangeAction->setOn(configList->showRange);
1342         QAction *showDataAction = new QAction(NULL, "Show Data", 0, this);
1343           showDataAction->setToggleAction(TRUE);
1344           connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
1345           connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
1346           showDataAction->setOn(configList->showData);
1347         QAction *showAllAction = new QAction(NULL, "Show All Options", 0, this);
1348           showAllAction->setToggleAction(TRUE);
1349           connect(showAllAction, SIGNAL(toggled(bool)), configView, SLOT(setShowAll(bool)));
1350           connect(showAllAction, SIGNAL(toggled(bool)), menuView, SLOT(setShowAll(bool)));
1351           showAllAction->setOn(configList->showAll);
1352         QAction *showDebugAction = new QAction(NULL, "Show Debug Info", 0, this);
1353           showDebugAction->setToggleAction(TRUE);
1354           connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
1355           connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
1356           showDebugAction->setOn(helpText->showDebug());
1357
1358         QAction *showIntroAction = new QAction(NULL, "Introduction", 0, this);
1359           connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
1360         QAction *showAboutAction = new QAction(NULL, "About", 0, this);
1361           connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
1362
1363         // init tool bar
1364         backAction->addTo(toolBar);
1365         toolBar->addSeparator();
1366         loadAction->addTo(toolBar);
1367         saveAction->addTo(toolBar);
1368         toolBar->addSeparator();
1369         singleViewAction->addTo(toolBar);
1370         splitViewAction->addTo(toolBar);
1371         fullViewAction->addTo(toolBar);
1372
1373         // create config menu
1374         QPopupMenu* config = new QPopupMenu(this);
1375         menu->insertItem("&File", config);
1376         loadAction->addTo(config);
1377         saveAction->addTo(config);
1378         saveAsAction->addTo(config);
1379         config->insertSeparator();
1380         quitAction->addTo(config);
1381
1382         // create edit menu
1383         QPopupMenu* editMenu = new QPopupMenu(this);
1384         menu->insertItem("&Edit", editMenu);
1385         searchAction->addTo(editMenu);
1386
1387         // create options menu
1388         QPopupMenu* optionMenu = new QPopupMenu(this);
1389         menu->insertItem("&Option", optionMenu);
1390         showNameAction->addTo(optionMenu);
1391         showRangeAction->addTo(optionMenu);
1392         showDataAction->addTo(optionMenu);
1393         optionMenu->insertSeparator();
1394         showAllAction->addTo(optionMenu);
1395         showDebugAction->addTo(optionMenu);
1396
1397         // create help menu
1398         QPopupMenu* helpMenu = new QPopupMenu(this);
1399         menu->insertSeparator();
1400         menu->insertItem("&Help", helpMenu);
1401         showIntroAction->addTo(helpMenu);
1402         showAboutAction->addTo(helpMenu);
1403
1404         connect(configList, SIGNAL(menuChanged(struct menu *)),
1405                 helpText, SLOT(setInfo(struct menu *)));
1406         connect(configList, SIGNAL(menuSelected(struct menu *)),
1407                 SLOT(changeMenu(struct menu *)));
1408         connect(configList, SIGNAL(parentSelected()),
1409                 SLOT(goBack()));
1410         connect(menuList, SIGNAL(menuChanged(struct menu *)),
1411                 helpText, SLOT(setInfo(struct menu *)));
1412         connect(menuList, SIGNAL(menuSelected(struct menu *)),
1413                 SLOT(changeMenu(struct menu *)));
1414
1415         connect(configList, SIGNAL(gotFocus(struct menu *)),
1416                 helpText, SLOT(setInfo(struct menu *)));
1417         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1418                 helpText, SLOT(setInfo(struct menu *)));
1419         connect(menuList, SIGNAL(gotFocus(struct menu *)),
1420                 SLOT(listFocusChanged(void)));
1421         connect(helpText, SIGNAL(menuSelected(struct menu *)),
1422                 SLOT(setMenuLink(struct menu *)));
1423
1424         QString listMode = configSettings->readEntry("/listMode", "symbol");
1425         if (listMode == "single")
1426                 showSingleView();
1427         else if (listMode == "full")
1428                 showFullView();
1429         else /*if (listMode == "split")*/
1430                 showSplitView();
1431
1432         // UI setup done, restore splitter positions
1433         QValueList<int> sizes = configSettings->readSizes("/split1", &ok);
1434         if (ok)
1435                 split1->setSizes(sizes);
1436
1437         sizes = configSettings->readSizes("/split2", &ok);
1438         if (ok)
1439                 split2->setSizes(sizes);
1440 }
1441
1442 void ConfigMainWindow::loadConfig(void)
1443 {
1444         QString s = QFileDialog::getOpenFileName(".config", NULL, this);
1445         if (s.isNull())
1446                 return;
1447         if (conf_read(QFile::encodeName(s)))
1448                 QMessageBox::information(this, "qconf", "Unable to load configuration!");
1449         ConfigView::updateListAll();
1450 }
1451
1452 void ConfigMainWindow::saveConfig(void)
1453 {
1454         if (conf_write(NULL))
1455                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1456 }
1457
1458 void ConfigMainWindow::saveConfigAs(void)
1459 {
1460         QString s = QFileDialog::getSaveFileName(".config", NULL, this);
1461         if (s.isNull())
1462                 return;
1463         if (conf_write(QFile::encodeName(s)))
1464                 QMessageBox::information(this, "qconf", "Unable to save configuration!");
1465 }
1466
1467 void ConfigMainWindow::searchConfig(void)
1468 {
1469         if (!searchWindow)
1470                 searchWindow = new ConfigSearchWindow(this, "search");
1471         searchWindow->show();
1472 }
1473
1474 void ConfigMainWindow::changeMenu(struct menu *menu)
1475 {
1476         configList->setRootMenu(menu);
1477         if (configList->rootEntry->parent == &rootmenu)
1478                 backAction->setEnabled(FALSE);
1479         else
1480                 backAction->setEnabled(TRUE);
1481 }
1482
1483 void ConfigMainWindow::setMenuLink(struct menu *menu)
1484 {
1485         struct menu *parent;
1486         ConfigList* list = NULL;
1487         ConfigItem* item;
1488
1489         if (!menu_is_visible(menu) && !configView->showAll())
1490                 return;
1491
1492         switch (configList->mode) {
1493         case singleMode:
1494                 list = configList;
1495                 parent = menu_get_parent_menu(menu);
1496                 if (!parent)
1497                         return;
1498                 list->setRootMenu(parent);
1499                 break;
1500         case symbolMode:
1501                 if (menu->flags & MENU_ROOT) {
1502                         configList->setRootMenu(menu);
1503                         configList->clearSelection();
1504                         list = menuList;
1505                 } else {
1506                         list = configList;
1507                         parent = menu_get_parent_menu(menu->parent);
1508                         if (!parent)
1509                                 return;
1510                         item = menuList->findConfigItem(parent);
1511                         if (item) {
1512                                 menuList->setSelected(item, TRUE);
1513                                 menuList->ensureItemVisible(item);
1514                         }
1515                         list->setRootMenu(parent);
1516                 }
1517                 break;
1518         case fullMode:
1519                 list = configList;
1520                 break;
1521         }
1522
1523         if (list) {
1524                 item = list->findConfigItem(menu);
1525                 if (item) {
1526                         list->setSelected(item, TRUE);
1527                         list->ensureItemVisible(item);
1528                         list->setFocus();
1529                 }
1530         }
1531 }
1532
1533 void ConfigMainWindow::listFocusChanged(void)
1534 {
1535         if (menuList->mode == menuMode)
1536                 configList->clearSelection();
1537 }
1538
1539 void ConfigMainWindow::goBack(void)
1540 {
1541         ConfigItem* item;
1542
1543         configList->setParentMenu();
1544         if (configList->rootEntry == &rootmenu)
1545                 backAction->setEnabled(FALSE);
1546         item = (ConfigItem*)menuList->selectedItem();
1547         while (item) {
1548                 if (item->menu == configList->rootEntry) {
1549                         menuList->setSelected(item, TRUE);
1550                         break;
1551                 }
1552                 item = (ConfigItem*)item->parent();
1553         }
1554 }
1555
1556 void ConfigMainWindow::showSingleView(void)
1557 {
1558         menuView->hide();
1559         menuList->setRootMenu(0);
1560         configList->mode = singleMode;
1561         if (configList->rootEntry == &rootmenu)
1562                 configList->updateListAll();
1563         else
1564                 configList->setRootMenu(&rootmenu);
1565         configList->setAllOpen(TRUE);
1566         configList->setFocus();
1567 }
1568
1569 void ConfigMainWindow::showSplitView(void)
1570 {
1571         configList->mode = symbolMode;
1572         if (configList->rootEntry == &rootmenu)
1573                 configList->updateListAll();
1574         else
1575                 configList->setRootMenu(&rootmenu);
1576         configList->setAllOpen(TRUE);
1577         configApp->processEvents();
1578         menuList->mode = menuMode;
1579         menuList->setRootMenu(&rootmenu);
1580         menuList->setAllOpen(TRUE);
1581         menuView->show();
1582         menuList->setFocus();
1583 }
1584
1585 void ConfigMainWindow::showFullView(void)
1586 {
1587         menuView->hide();
1588         menuList->setRootMenu(0);
1589         configList->mode = fullMode;
1590         if (configList->rootEntry == &rootmenu)
1591                 configList->updateListAll();
1592         else
1593                 configList->setRootMenu(&rootmenu);
1594         configList->setAllOpen(FALSE);
1595         configList->setFocus();
1596 }
1597
1598 /*
1599  * ask for saving configuration before quitting
1600  * TODO ask only when something changed
1601  */
1602 void ConfigMainWindow::closeEvent(QCloseEvent* e)
1603 {
1604         if (!conf_get_changed()) {
1605                 e->accept();
1606                 return;
1607         }
1608         QMessageBox mb("qconf", "Save configuration?", QMessageBox::Warning,
1609                         QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
1610         mb.setButtonText(QMessageBox::Yes, "&Save Changes");
1611         mb.setButtonText(QMessageBox::No, "&Discard Changes");
1612         mb.setButtonText(QMessageBox::Cancel, "Cancel Exit");
1613         switch (mb.exec()) {
1614         case QMessageBox::Yes:
1615                 conf_write(NULL);
1616         case QMessageBox::No:
1617                 e->accept();
1618                 break;
1619         case QMessageBox::Cancel:
1620                 e->ignore();
1621                 break;
1622         }
1623 }
1624
1625 void ConfigMainWindow::showIntro(void)
1626 {
1627         static char str[] = "Welcome to the qconf graphical kernel configuration tool for Linux.\n\n"
1628                 "For each option, a blank box indicates the feature is disabled, a check\n"
1629                 "indicates it is enabled, and a dot indicates that it is to be compiled\n"
1630                 "as a module.  Clicking on the box will cycle through the three states.\n\n"
1631                 "If you do not see an option (e.g., a device driver) that you believe\n"
1632                 "should be present, try turning on Show All Options under the Options menu.\n"
1633                 "Although there is no cross reference yet to help you figure out what other\n"
1634                 "options must be enabled to support the option you are interested in, you can\n"
1635                 "still view the help of a grayed-out option.\n\n"
1636                 "Toggling Show Debug Info under the Options menu will show the dependencies,\n"
1637                 "which you can then match by examining other options.\n\n";
1638
1639         QMessageBox::information(this, "qconf", str);
1640 }
1641
1642 void ConfigMainWindow::showAbout(void)
1643 {
1644         static char str[] = "qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n\n"
1645                 "Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n";
1646
1647         QMessageBox::information(this, "qconf", str);
1648 }
1649
1650 void ConfigMainWindow::saveSettings(void)
1651 {
1652         configSettings->writeEntry("/window x", pos().x());
1653         configSettings->writeEntry("/window y", pos().y());
1654         configSettings->writeEntry("/window width", size().width());
1655         configSettings->writeEntry("/window height", size().height());
1656
1657         QString entry;
1658         switch(configList->mode) {
1659         case singleMode :
1660                 entry = "single";
1661                 break;
1662
1663         case symbolMode :
1664                 entry = "split";
1665                 break;
1666
1667         case fullMode :
1668                 entry = "full";
1669                 break;
1670         }
1671         configSettings->writeEntry("/listMode", entry);
1672
1673         configSettings->writeSizes("/split1", split1->sizes());
1674         configSettings->writeSizes("/split2", split2->sizes());
1675 }
1676
1677 void ConfigMainWindow::conf_changed(void)
1678 {
1679         if (saveAction)
1680                 saveAction->setEnabled(conf_get_changed());
1681 }
1682
1683 void fixup_rootmenu(struct menu *menu)
1684 {
1685         struct menu *child;
1686         static int menu_cnt = 0;
1687
1688         menu->flags |= MENU_ROOT;
1689         for (child = menu->list; child; child = child->next) {
1690                 if (child->prompt && child->prompt->type == P_MENU) {
1691                         menu_cnt++;
1692                         fixup_rootmenu(child);
1693                         menu_cnt--;
1694                 } else if (!menu_cnt)
1695                         fixup_rootmenu(child);
1696         }
1697 }
1698
1699 static const char *progname;
1700
1701 static void usage(void)
1702 {
1703         printf("%s <config>\n", progname);
1704         exit(0);
1705 }
1706
1707 int main(int ac, char** av)
1708 {
1709         ConfigMainWindow* v;
1710         const char *name;
1711
1712         bindtextdomain(PACKAGE, LOCALEDIR);
1713         textdomain(PACKAGE);
1714
1715 #ifndef LKC_DIRECT_LINK
1716         kconfig_load();
1717 #endif
1718
1719         progname = av[0];
1720         configApp = new QApplication(ac, av);
1721         if (ac > 1 && av[1][0] == '-') {
1722                 switch (av[1][1]) {
1723                 case 'h':
1724                 case '?':
1725                         usage();
1726                 }
1727                 name = av[2];
1728         } else
1729                 name = av[1];
1730         if (!name)
1731                 usage();
1732
1733         conf_parse(name);
1734         fixup_rootmenu(&rootmenu);
1735         conf_read(NULL);
1736         //zconfdump(stdout);
1737
1738         configSettings = new ConfigSettings();
1739         configSettings->beginGroup("/kconfig/qconf");
1740         v = new ConfigMainWindow();
1741
1742         //zconfdump(stdout);
1743         configApp->setMainWidget(v);
1744         configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
1745         configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
1746         v->show();
1747         configApp->exec();
1748
1749         configSettings->endGroup();
1750         delete configSettings;
1751
1752         return 0;
1753 }