1 files changed, 253 insertions, 152 deletions

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index bed541d..52419ad 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -42,15 +42,12 @@ static QSettings *configSettings;
  * menu: entry to be updated
  */
 template <class P>
-static void updateMenuList(P* parent, struct menu* menu)
+void ConfigList::updateMenuList(P* parent, struct menu* menu)
 {
 	struct menu* child;
-	ConfigList* list = parent->listView();
 	ConfigItem* item;
 	ConfigItem* last;
 	bool visible;
-	bool showAll = list->showAll;
-	enum listMode mode = list->mode;
 	enum prop_type type;
 
 	if (!menu) {
@@ -59,18 +56,20 @@ static void updateMenuList(P* parent, struct menu* menu)
 		return;
 	}
 
-	last = 0;
+	last = parent->firstChild();
+	if (last && !last->goParent)
+		last = 0;
 	for (child = menu->list; child; child = child->next) {
 		item = last ? last->nextSibling() : parent->firstChild();
 		type = child->prompt ? child->prompt->type : P_UNKNOWN;
 
 		switch (mode) {
 		case menuMode:
-			if (type != P_ROOTMENU)
+			if (!(child->flags & MENU_ROOT))
 				goto hide;
 			break;
 		case symbolMode:
-			if (type == P_ROOTMENU)
+			if (child->flags & MENU_ROOT)
 				goto hide;
 			break;
 		default:
@@ -81,26 +80,17 @@ static void updateMenuList(P* parent, struct menu* menu)
 		if (showAll || visible) {
 			if (!item || item->menu != child)
 				item = new ConfigItem(parent, last, child, visible);
-			else {
-				item->visible = visible;
-				if (item->updateNeeded()) {
-					ConfigItem* i = (ConfigItem*)child->data;
-					for (; i; i = i->nextItem) {
-						i->updateMenu();
-					}
-				} else if (list->updateAll)
-					item->updateMenu();
-			}
+			else
+				item->testUpdateMenu(visible);
 
-			if (mode == fullMode || mode == menuMode ||
-			    (type != P_MENU && type != P_ROOTMENU))
+			if (mode == fullMode || mode == menuMode || type != P_MENU)
 				updateMenuList(item, child);
 			else
 				updateMenuList(item, 0);
 			last = item;
 			continue;
 		}
-	hide:	
+	hide:
 		if (item && item->menu == child) {
 			last = parent->firstChild();
 			if (last == item)
@@ -131,24 +121,45 @@ void ConfigItem::updateMenu(void)
 {
 	ConfigList* list;
 	struct symbol* sym;
+	struct property *prop;
 	QString prompt;
 	int type;
-	enum prop_type ptype;
 	tristate expr;
 
 	list = listView();
+	if (goParent) {
+		setPixmap(promptColIdx, list->menuBackPix);
+		prompt = "..";
+		goto set_prompt;
+	}
 
 	sym = menu->sym;
-	if (!sym) {
-		setText(promptColIdx, menu_get_prompt(menu));
-		ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
-		if ((ptype == P_ROOTMENU || ptype == P_MENU) &&
-		    (list->mode == singleMode || list->mode == symbolMode))
+	prop = menu->prompt;
+	prompt = menu_get_prompt(menu);
+
+	if (prop) switch (prop->type) {
+	case P_MENU:
+		if (list->mode == singleMode || list->mode == symbolMode) {
+			/* a menuconfig entry is displayed differently
+			 * depending whether it's at the view root or a child.
+			 */
+			if (sym && list->rootEntry == menu)
+				break;
 			setPixmap(promptColIdx, list->menuPix);
-		else
+		} else {
+			if (sym)
+				break;
 			setPixmap(promptColIdx, 0);
-		return;
+		}
+		goto set_prompt;
+	case P_COMMENT:
+		setPixmap(promptColIdx, 0);
+		goto set_prompt;
+	default:
+		;
 	}
+	if (!sym)
+		goto set_prompt;
 
 	setText(nameColIdx, sym->name);
 
@@ -158,8 +169,8 @@ void ConfigItem::updateMenu(void)
 	case S_TRISTATE:
 		char ch;
 
-		prompt = menu_get_prompt(menu);
 		if (!sym_is_changable(sym) && !list->showAll) {
+			setPixmap(promptColIdx, 0);
 			setText(noColIdx, 0);
 			setText(modColIdx, 0);
 			setText(yesColIdx, 0);
@@ -211,26 +222,33 @@ void ConfigItem::updateMenu(void)
 #endif
 		setText(dataColIdx, data);
 		if (type == S_STRING)
-			prompt.sprintf("%s: %s", menu_get_prompt(menu), data);
+			prompt.sprintf("%s: %s", prompt.latin1(), data);
 		else
-			prompt.sprintf("(%s) %s", data, menu_get_prompt(menu));
+			prompt.sprintf("(%s) %s", data, prompt.latin1());
 		break;
 	}
 	if (!sym_has_value(sym) && visible)
 		prompt += " (NEW)";
+set_prompt:
 	setText(promptColIdx, prompt);
 }
 
-bool ConfigItem::updateNeeded(void)
+void ConfigItem::testUpdateMenu(bool v)
 {
-	struct symbol* sym = menu->sym;
-	if (sym)
-		sym_calc_value(sym);
+	ConfigItem* i;
+
+	visible = v;
+	if (!menu)
+		return;
+
+	sym_calc_value(menu->sym);
 	if (menu->flags & MENU_CHANGED) {
+		/* the menu entry changed, so update all list items */
 		menu->flags &= ~MENU_CHANGED;
-		return true;
-	}
-	return false;
+		for (i = (ConfigItem*)menu->data; i; i = i->nextItem)
+			i->updateMenu();
+	} else if (listView()->updateAll)
+		updateMenu();
 }
 
 void ConfigItem::paintCell(QPainter* p, const QColorGroup& cg, int column, int width, int align)
@@ -251,14 +269,15 @@ void ConfigItem::paintCell(QPainter* p, const QColorGroup& cg, int column, int w
  */
 void ConfigItem::init(void)
 {
-	ConfigList* list = listView();
-	nextItem = (ConfigItem*)menu->data;
-	menu->data = this;
+	if (menu) {
+		ConfigList* list = listView();
+		nextItem = (ConfigItem*)menu->data;
+		menu->data = this;
 
-	if (list->mode != fullMode)
-		setOpen(TRUE);
-	if (menu->sym)
+		if (list->mode != fullMode)
+			setOpen(TRUE);
 		sym_calc_value(menu->sym);
+	}
 	updateMenu();
 }
 
@@ -267,11 +286,13 @@ void ConfigItem::init(void)
  */
 ConfigItem::~ConfigItem(void)
 {
-	ConfigItem** ip = &(ConfigItem*)menu->data;
-	for (; *ip; ip = &(*ip)->nextItem) {
-		if (*ip == this) {
-			*ip = nextItem;
-			break;
+	if (menu) {
+		ConfigItem** ip = (ConfigItem**)&menu->data;
+		for (; *ip; ip = &(*ip)->nextItem) {
+			if (*ip == this) {
+				*ip = nextItem;
+				break;
+			}
 		}
 	}
 }
@@ -310,7 +331,8 @@ ConfigList::ConfigList(ConfigView* p, ConfigMainWindow* cv)
 	: Parent(p), cview(cv),
 	  updateAll(false),
 	  symbolYesPix(xpm_symbol_yes), symbolModPix(xpm_symbol_mod), symbolNoPix(xpm_symbol_no),
-	  choiceYesPix(xpm_choice_yes), choiceNoPix(xpm_choice_no), menuPix(xpm_menu), menuInvPix(xpm_menu_inv),
+	  choiceYesPix(xpm_choice_yes), choiceNoPix(xpm_choice_no),
+	  menuPix(xpm_menu), menuInvPix(xpm_menu_inv), menuBackPix(xpm_menuback), voidPix(xpm_void),
 	  showAll(false), showName(false), showRange(false), showData(false),
 	  rootEntry(0)
 {
@@ -366,14 +388,37 @@ void ConfigList::updateSelection(void)
 	cview->setHelp(item);
 
 	menu = item->menu;
+	if (!menu)
+		return;
 	type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
-	if (mode == menuMode && (type == P_MENU || type == P_ROOTMENU))
+	if (mode == menuMode && type == P_MENU)
 		emit menuSelected(menu);
 }
 
 void ConfigList::updateList(ConfigItem* item)
 {
-	(void)item;	// unused so far
+	ConfigItem* last = 0;
+
+	if (!rootEntry)
+		goto update;
+
+	if (rootEntry != &rootmenu && (mode == singleMode ||
+	    (mode == symbolMode && rootEntry->parent != &rootmenu))) {
+		item = firstChild();
+		if (!item)
+			item = new ConfigItem(this, 0, true);
+		last = item;
+	}
+	if (mode == singleMode && rootEntry->sym && rootEntry->prompt) {
+		item = last ? last->nextSibling() : firstChild();
+		if (!item)
+			item = new ConfigItem(this, last, rootEntry, true);
+
+		updateMenuList(item, rootEntry);
+		triggerUpdate();
+		return;
+	}
+update:
 	updateMenuList(this, rootEntry);
 	triggerUpdate();
 }
@@ -392,7 +437,7 @@ void ConfigList::setValue(ConfigItem* item, tristate val)
 	int type;
 	tristate oldval;
 
-	sym = item->menu->sym;
+	sym = item->menu ? item->menu->sym : 0;
 	if (!sym)
 		return;
 
@@ -418,6 +463,8 @@ void ConfigList::changeValue(ConfigItem* item)
 	int type, oldexpr, newexpr;
 
 	menu = item->menu;
+	if (!menu)
+		return;
 	sym = menu->sym;
 	if (!sym) {
 		if (item->menu->list)
@@ -460,7 +507,7 @@ void ConfigList::setRootMenu(struct menu *menu)
 	if (rootEntry == menu)
 		return;
 	type = menu && menu->prompt ? menu->prompt->type : P_UNKNOWN;
-	if (type != P_MENU && type != P_ROOTMENU)
+	if (type != P_MENU)
 		return;
 	updateMenuList(this, 0);
 	rootEntry = menu;
@@ -471,13 +518,12 @@ void ConfigList::setRootMenu(struct menu *menu)
 void ConfigList::setParentMenu(void)
 {
 	ConfigItem* item;
-	struct menu *oldroot, *newroot;
+	struct menu *oldroot;
 
 	oldroot = rootEntry;
-	newroot = menu_get_parent_menu(oldroot);
-	if (newroot == oldroot)
+	if (rootEntry == &rootmenu)
 		return;
-	setRootMenu(newroot);
+	setRootMenu(menu_get_parent_menu(rootEntry->parent));
 
 	QListViewItemIterator it(this);
 	for (; (item = (ConfigItem*)it.current()); it++) {
@@ -511,9 +557,16 @@ void ConfigList::keyPressEvent(QKeyEvent* ev)
 	switch (ev->key()) {
 	case Key_Return:
 	case Key_Enter:
+		if (item->goParent) {
+			emit parentSelected();
+			break;
+		}
 		menu = item->menu;
+		if (!menu)
+			break;
 		type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
-		if ((type == P_MENU || type == P_ROOTMENU) && mode != fullMode) {
+		if (type == P_MENU && rootEntry != menu &&
+		    mode != fullMode && mode != menuMode) {
 			emit menuSelected(menu);
 			break;
 		}
@@ -548,6 +601,7 @@ void ConfigList::contentsMouseReleaseEvent(QMouseEvent* e)
 	QPoint p(contentsToViewport(e->pos()));
 	ConfigItem* item = (ConfigItem*)itemAt(p);
 	struct menu *menu;
+	enum prop_type ptype;
 	const QPixmap* pm;
 	int idx, x;
 
@@ -564,10 +618,17 @@ void ConfigList::contentsMouseReleaseEvent(QMouseEvent* e)
 			int off = header()->sectionPos(0) + itemMargin() +
 				treeStepSize() * (item->depth() + (rootIsDecorated() ? 1 : 0));
 			if (x >= off && x < off + pm->width()) {
-				if (menu->sym)
-					changeValue(item);
-				else
+				if (item->goParent) {
+					emit parentSelected();
+					break;
+				} else if (!menu)
+					break;
+				ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
+				if (ptype == P_MENU && rootEntry != menu &&
+				    mode != fullMode && mode != menuMode)
 					emit menuSelected(menu);
+				else
+					changeValue(item);
 			}
 		}
 		break;
@@ -606,10 +667,15 @@ void ConfigList::contentsMouseDoubleClickEvent(QMouseEvent* e)
 
 	if (!item)
 		goto skip;
+	if (item->goParent) {
+		emit parentSelected();
+		goto skip;
+	}
 	menu = item->menu;
+	if (!menu)
+		goto skip;
 	ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
-	if ((ptype == P_ROOTMENU || ptype == P_MENU) &&
-	    (mode == singleMode || mode == symbolMode))
+	if (ptype == P_MENU && (mode == singleMode || mode == symbolMode))
 		emit menuSelected(menu);
 	else if (menu->sym)
 		changeValue(item);
@@ -677,7 +743,6 @@ void ConfigView::updateListAll(void)
  */
 ConfigMainWindow::ConfigMainWindow(void)
 {
-	ConfigView* view;
 	QMenuBar* menu;
 	QSplitter* split1;
 	QSplitter* split2;
@@ -707,15 +772,15 @@ ConfigMainWindow::ConfigMainWindow(void)
 	split1->setOrientation(QSplitter::Horizontal);
 	setCentralWidget(split1);
 
-	view = new ConfigView(split1, this);
-	menuList = view->list;
+	menuView = new ConfigView(split1, this);
+	menuList = menuView->list;
 
 	split2 = new QSplitter(split1);
 	split2->setOrientation(QSplitter::Vertical);
 
 	// create config tree
-	view = new ConfigView(split2, this);
-	configList = view->list;
+	configView = new ConfigView(split2, this);
+	configList = configView->list;
 
 	helpText = new QTextView(split2);
 	helpText->setTextFormat(Qt::RichText);
@@ -818,7 +883,6 @@ ConfigMainWindow::ConfigMainWindow(void)
 	connect(menuList, SIGNAL(gotFocus(void)),
 		SLOT(listFocusChanged(void)));
 
-	//showFullView();
 	showSplitView();
 }
 
@@ -864,89 +928,107 @@ static void expr_print_help(void *data, const char *str)
 void ConfigMainWindow::setHelp(QListViewItem* item)
 {
 	struct symbol* sym;
-	struct menu* menu;
+	struct menu* menu = 0;
 
 	configList->parent()->lineEdit->hide();
-	if (item) {
-		QString head, debug, help;
+	if (item)
 		menu = ((ConfigItem*)item)->menu;
-		sym = menu->sym;
-		if (sym) {
-			if (menu->prompt) {
-				head += "<big><b>";
-				head += print_filter(menu->prompt->text);
-				head += "</b></big>";
-				if (sym->name) {
-					head += " (";
-					head += print_filter(sym->name);
-					head += ")";
-				}
-			} else if (sym->name) {
-				head += "<big><b>";
+	if (!menu) {
+		helpText->setText(NULL);
+		return;
+	}
+
+	QString head, debug, help;
+	menu = ((ConfigItem*)item)->menu;
+	sym = menu->sym;
+	if (sym) {
+		if (menu->prompt) {
+			head += "<big><b>";
+			head += print_filter(menu->prompt->text);
+			head += "</b></big>";
+			if (sym->name) {
+				head += " (";
 				head += print_filter(sym->name);
-				head += "</b></big>";
+				head += ")";
 			}
-			head += "<br><br>";
-
-			if (showDebug) {
-				debug += "type: ";
-				debug += print_filter(sym_type_name(sym->type));
+		} else if (sym->name) {
+			head += "<big><b>";
+			head += print_filter(sym->name);
+			head += "</b></big>";
+		}
+		head += "<br><br>";
+
+		if (showDebug) {
+			debug += "type: ";
+			debug += print_filter(sym_type_name(sym->type));
+			if (sym_is_choice(sym))
+				debug += " (choice)";
+			debug += "<br>";
+			if (sym->rev_dep.expr) {
+				debug += "reverse dep: ";
+				expr_print(sym->rev_dep.expr, expr_print_help, &debug, E_NONE);
 				debug += "<br>";
-				for (struct property *prop = sym->prop; prop; prop = prop->next) {
-					switch (prop->type) {
-					case P_PROMPT:
-						debug += "prompt: ";
-						debug += print_filter(prop->text);
-						debug += "<br>";
-						if (prop->visible.expr) {
-							debug += "&nbsp;&nbsp;dep: ";
-							expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
-							debug += "<br>";
-						}
-						break;
-					case P_DEFAULT:
-						debug += "default: ";
-						if (sym_is_choice(sym))
-							debug += print_filter(prop->def->name);
-						else {
-							sym_calc_value(prop->def);
-							debug += print_filter(sym_get_string_value(prop->def));
-						}
-						debug += "<br>";
-						if (prop->visible.expr) {
-							debug += "&nbsp;&nbsp;dep: ";
-							expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
-							debug += "<br>";
-						}
-						break;
-					case P_CHOICE:
-						break;
-					default:
-						debug += "unknown property: ";
-						debug += prop_get_type_name(prop->type);
+			}
+			for (struct property *prop = sym->prop; prop; prop = prop->next) {
+				switch (prop->type) {
+				case P_PROMPT:
+				case P_MENU:
+					debug += "prompt: ";
+					debug += print_filter(prop->text);
+					debug += "<br>";
+					break;
+				case P_DEFAULT:
+					debug += "default: ";
+					expr_print(prop->expr, expr_print_help, &debug, E_NONE);
+					debug += "<br>";
+					break;
+				case P_CHOICE:
+					if (sym_is_choice(sym)) {
+						debug += "choice: ";
+						expr_print(prop->expr, expr_print_help, &debug, E_NONE);
 						debug += "<br>";
 					}
+					break;
+				case P_SELECT:
+					debug += "select: ";
+					expr_print(prop->expr, expr_print_help, &debug, E_NONE);
+					debug += "<br>";
+					break;
+				case P_RANGE:
+					debug += "range: ";
+					expr_print(prop->expr, expr_print_help, &debug, E_NONE);
+					debug += "<br>";
+					break;
+				default:
+					debug += "unknown property: ";
+					debug += prop_get_type_name(prop->type);
+					debug += "<br>";
 				}
-				debug += "<br>";
-			}
-
-			help = print_filter(sym->help);
-		} else if (menu->prompt) {
-			head += "<big><b>";
-			head += print_filter(menu->prompt->text);
-			head += "</b></big><br><br>";
-			if (showDebug) {
-				if (menu->prompt->visible.expr) {
-					debug += "&nbsp;&nbsp;dep: ";
-					expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
+				if (prop->visible.expr) {
+					debug += "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
+					expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
 					debug += "<br>";
 				}
 			}
+			debug += "<br>";
+		}
+
+		help = print_filter(sym->help);
+	} else if (menu->prompt) {
+		head += "<big><b>";
+		head += print_filter(menu->prompt->text);
+		head += "</b></big><br><br>";
+		if (showDebug) {
+			if (menu->prompt->visible.expr) {
+				debug += "&nbsp;&nbsp;dep: ";
+				expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
+				debug += "<br><br>";
+			}
 		}
-		helpText->setText(head + debug + help);
-		return;
 	}
-	helpText->setText(NULL);
+	if (showDebug)
+		debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
+	helpText->setText(head + debug + help);
 }
 
 void ConfigMainWindow::loadConfig(void)
@@ -1010,7 +1092,7 @@ void ConfigMainWindow::goBack(void)
 
 void ConfigMainWindow::showSingleView(void)
 {
-	menuList->hide();
+	menuView->hide();
 	menuList->setRootMenu(0);
 	configList->mode = singleMode;
 	if (configList->rootEntry == &rootmenu)
@@ -1032,14 +1114,14 @@ void ConfigMainWindow::showSplitView(void)
 	configApp->processEvents();
 	menuList->mode = menuMode;
 	menuList->setRootMenu(&rootmenu);
-	menuList->show();
 	menuList->setAllOpen(TRUE);
+	menuView->show();
 	menuList->setFocus();
 }
 
 void ConfigMainWindow::showFullView(void)
 {
-	menuList->hide();
+	menuView->hide();
 	menuList->setRootMenu(0);
 	configList->mode = fullMode;
 	if (configList->rootEntry == &rootmenu)
@@ -1073,6 +1155,8 @@ void ConfigMainWindow::setShowName(bool b)
 		return;
 	configList->showName = b;
 	configList->reinit();
+	menuList->showName = b;
+	menuList->reinit();
 }
 
 void ConfigMainWindow::setShowRange(bool b)
@@ -1081,6 +1165,8 @@ void ConfigMainWindow::setShowRange(bool b)
 		return;
 	configList->showRange = b;
 	configList->reinit();
+	menuList->showRange = b;
+	menuList->reinit();
 }
 
 void ConfigMainWindow::setShowData(bool b)
@@ -1089,6 +1175,8 @@ void ConfigMainWindow::setShowData(bool b)
 		return;
 	configList->showData = b;
 	configList->reinit();
+	menuList->showData = b;
+	menuList->reinit();
 }
 
 /*
@@ -1146,12 +1234,25 @@ void ConfigMainWindow::showAbout(void)
 void fixup_rootmenu(struct menu *menu)
 {
 	struct menu *child;
+	static int menu_cnt = 0;
 
-	if (!menu->prompt || menu->prompt->type != P_MENU)
-		return;
-	menu->prompt->type = P_ROOTMENU;
-	for (child = menu->list; child; child = child->next)
-		fixup_rootmenu(child);
+	menu->flags |= MENU_ROOT;
+	for (child = menu->list; child; child = child->next) {
+		if (child->prompt && child->prompt->type == P_MENU) {
+			menu_cnt++;
+			fixup_rootmenu(child);
+			menu_cnt--;
+		} else if (!menu_cnt)
+			fixup_rootmenu(child);
+	}
+}
+
+static const char *progname;
+
+static void usage(void)
+{
+	printf("%s <config>\n", progname);
+	exit(0);
 }
 
 int main(int ac, char** av)
@@ -1163,23 +1264,23 @@ int main(int ac, char** av)
 	kconfig_load();
 #endif
 
+	progname = av[0];
 	configApp = new QApplication(ac, av);
 #if QT_VERSION >= 300
 	configSettings = new QSettings;
 #endif
 	if (ac > 1 && av[1][0] == '-') {
 		switch (av[1][1]) {
-		case 'a':
-			//showAll = 1;
-			break;
 		case 'h':
 		case '?':
-			printf("%s <config>\n", av[0]);
-			exit(0);
+			usage();
 		}
 		name = av[2];
 	} else
 		name = av[1];
+	if (!name)
+		usage();
+
 	conf_parse(name);
 	fixup_rootmenu(&rootmenu);
 	conf_read(NULL);