qconf.cc

linux 内核源代码

	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 (!(child->flags & MENU_ROOT))
				goto hide;
			break;
		case symbolMode:
			if (child->flags & MENU_ROOT)
				goto hide;
			break;
		default:
			break;
		}

		visible = menu_is_visible(child);
		if (showAll || visible) {
			if (!child->sym && !child->list && !child->prompt)
				continue;
			if (!item || item->menu != child)
				item = new ConfigItem(parent, last, child, visible);
			else
				item->testUpdateMenu(visible);

			if (mode == fullMode || mode == menuMode || type != P_MENU)
				updateMenuList(item, child);
			else
				updateMenuList(item, 0);
			last = item;
			continue;
		}
	hide:
		if (item && item->menu == child) {
			last = parent->firstChild();
			if (last == item)
				last = 0;
			else while (last->nextSibling() != item)
				last = last->nextSibling();
			delete item;
		}
	}
}

void ConfigList::keyPressEvent(QKeyEvent* ev)
{
	QListViewItem* i = currentItem();
	ConfigItem* item;
	struct menu *menu;
	enum prop_type type;

	if (ev->key() == Key_Escape && mode != fullMode && mode != listMode) {
		emit parentSelected();
		ev->accept();
		return;
	}

	if (!i) {
		Parent::keyPressEvent(ev);
		return;
	}
	item = (ConfigItem*)i;

	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 && rootEntry != menu &&
		    mode != fullMode && mode != menuMode) {
			emit menuSelected(menu);
			break;
		}
	case Key_Space:
		changeValue(item);
		break;
	case Key_N:
		setValue(item, no);
		break;
	case Key_M:
		setValue(item, mod);
		break;
	case Key_Y:
		setValue(item, yes);
		break;
	default:
		Parent::keyPressEvent(ev);
		return;
	}
	ev->accept();
}

void ConfigList::contentsMousePressEvent(QMouseEvent* e)
{
	//QPoint p(contentsToViewport(e->pos()));
	//printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
	Parent::contentsMousePressEvent(e);
}

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;

	if (!item)
		goto skip;

	menu = item->menu;
	x = header()->offset() + p.x();
	idx = colRevMap[header()->sectionAt(x)];
	switch (idx) {
	case promptColIdx:
		pm = item->pixmap(promptColIdx);
		if (pm) {
			int off = header()->sectionPos(0) + itemMargin() +
				treeStepSize() * (item->depth() + (rootIsDecorated() ? 1 : 0));
			if (x >= off && x < off + pm->width()) {
				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;
	case noColIdx:
		setValue(item, no);
		break;
	case modColIdx:
		setValue(item, mod);
		break;
	case yesColIdx:
		setValue(item, yes);
		break;
	case dataColIdx:
		changeValue(item);
		break;
	}

skip:
	//printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
	Parent::contentsMouseReleaseEvent(e);
}

void ConfigList::contentsMouseMoveEvent(QMouseEvent* e)
{
	//QPoint p(contentsToViewport(e->pos()));
	//printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
	Parent::contentsMouseMoveEvent(e);
}

void ConfigList::contentsMouseDoubleClickEvent(QMouseEvent* e)
{
	QPoint p(contentsToViewport(e->pos()));
	ConfigItem* item = (ConfigItem*)itemAt(p);
	struct menu *menu;
	enum prop_type ptype;

	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_MENU && (mode == singleMode || mode == symbolMode))
		emit menuSelected(menu);
	else if (menu->sym)
		changeValue(item);

skip:
	//printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
	Parent::contentsMouseDoubleClickEvent(e);
}

void ConfigList::focusInEvent(QFocusEvent *e)
{
	struct menu *menu = NULL;

	Parent::focusInEvent(e);

	ConfigItem* item = (ConfigItem *)currentItem();
	if (item) {
		setSelected(item, TRUE);
		menu = item->menu;
	}
	emit gotFocus(menu);
}

void ConfigList::contextMenuEvent(QContextMenuEvent *e)
{
	if (e->y() <= header()->geometry().bottom()) {
		if (!headerPopup) {
			QAction *action;

			headerPopup = new QPopupMenu(this);
			action = new QAction(NULL, "Show Name", 0, this);
			  action->setToggleAction(TRUE);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowName(bool)));
			  connect(parent(), SIGNAL(showNameChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setOn(showName);
			  action->addTo(headerPopup);
			action = new QAction(NULL, "Show Range", 0, this);
			  action->setToggleAction(TRUE);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowRange(bool)));
			  connect(parent(), SIGNAL(showRangeChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setOn(showRange);
			  action->addTo(headerPopup);
			action = new QAction(NULL, "Show Data", 0, this);
			  action->setToggleAction(TRUE);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowData(bool)));
			  connect(parent(), SIGNAL(showDataChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setOn(showData);
			  action->addTo(headerPopup);
		}
		headerPopup->exec(e->globalPos());
		e->accept();
	} else
		e->ignore();
}

ConfigView* ConfigView::viewList;

ConfigView::ConfigView(QWidget* parent, const char *name)
	: Parent(parent, name)
{
	list = new ConfigList(this, name);
	lineEdit = new ConfigLineEdit(this);
	lineEdit->hide();

	this->nextView = viewList;
	viewList = this;
}

ConfigView::~ConfigView(void)
{
	ConfigView** vp;

	for (vp = &viewList; *vp; vp = &(*vp)->nextView) {
		if (*vp == this) {
			*vp = nextView;
			break;
		}
	}
}

void ConfigView::setShowAll(bool b)
{
	if (list->showAll != b) {
		list->showAll = b;
		list->updateListAll();
		emit showAllChanged(b);
	}
}

void ConfigView::setShowName(bool b)
{
	if (list->showName != b) {
		list->showName = b;
		list->reinit();
		emit showNameChanged(b);
	}
}

void ConfigView::setShowRange(bool b)
{
	if (list->showRange != b) {
		list->showRange = b;
		list->reinit();
		emit showRangeChanged(b);
	}
}

void ConfigView::setShowData(bool b)
{
	if (list->showData != b) {
		list->showData = b;
		list->reinit();
		emit showDataChanged(b);
	}
}

void ConfigList::setAllOpen(bool open)
{
	QListViewItemIterator it(this);

	for (; it.current(); it++)
		it.current()->setOpen(open);
}

void ConfigView::updateList(ConfigItem* item)
{
	ConfigView* v;

	for (v = viewList; v; v = v->nextView)
		v->list->updateList(item);
}

void ConfigView::updateListAll(void)
{
	ConfigView* v;

	for (v = viewList; v; v = v->nextView)
		v->list->updateListAll();
}

ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
	: Parent(parent, name), menu(0), sym(0)
{
	if (name) {
		configSettings->beginGroup(name);
		_showDebug = configSettings->readBoolEntry("/showDebug", false);
		configSettings->endGroup();
		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
	}
}

void ConfigInfoView::saveSettings(void)
{
	if (name()) {
		configSettings->beginGroup(name());
		configSettings->writeEntry("/showDebug", showDebug());
		configSettings->endGroup();
	}
}

void ConfigInfoView::setShowDebug(bool b)
{
	if (_showDebug != b) {
		_showDebug = b;
		if (menu)
			menuInfo();
		else if (sym)
			symbolInfo();
		emit showDebugChanged(b);
	}
}

void ConfigInfoView::setInfo(struct menu *m)
{
	if (menu == m)
		return;
	menu = m;
	sym = NULL;
	if (!menu)
		clear();
	else
		menuInfo();
}

void ConfigInfoView::setSource(const QString& name)
{
	const char *p = name.latin1();

	menu = NULL;
	sym = NULL;

	switch (p[0]) {
	case 'm':
		struct menu *m;

		if (sscanf(p, "m%p", &m) == 1 && menu != m) {
			menu = m;
			menuInfo();
			emit menuSelected(menu);
		}
		break;
	case 's':
		struct symbol *s;

		if (sscanf(p, "s%p", &s) == 1 && sym != s) {
			sym = s;
			symbolInfo();
		}
		break;
	}
}

void ConfigInfoView::symbolInfo(void)
{
	QString str;

	str += "<big>Symbol: <b>";
	str += print_filter(sym->name);
	str += "</b></big><br><br>value: ";
	str += print_filter(sym_get_string_value(sym));
	str += "<br>visibility: ";
	str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
	str += "<br>";
	str += debug_info(sym);

	setText(str);
}

void ConfigInfoView::menuInfo(void)
{
	struct symbol* sym;
	QString head, debug, help;

	sym = menu->sym;
	if (sym) {
		if (menu->prompt) {
			head += "<big><b>";
			head += print_filter(_(menu->prompt->text));
			head += "</b></big>";
			if (sym->name) {
				head += " (";
				if (showDebug())
					head += QString().sprintf("<a href=\"s%p\">", sym);
				head += print_filter(sym->name);
				if (showDebug())
					head += "</a>";
				head += ")";
			}
		} else if (sym->name) {
			head += "<big><b>";
			if (showDebug())
				head += QString().sprintf("<a href=\"s%p\">", sym);
			head += print_filter(sym->name);
			if (showDebug())
				head += "</a>";
			head += "</b></big>";
		}
		head += "<br><br>";

		if (showDebug())
			debug = debug_info(sym);

		help = print_filter(_(menu_get_help(menu)));
	} 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>";
			}
		}
	}
	if (showDebug())
		debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);

	setText(head + debug + help);
}

QString ConfigInfoView::debug_info(struct symbol *sym)
{
	QString debug;

	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:
		case P_MENU:
			debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
			debug += print_filter(_(prop->text));
			debug += "</a><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>";
		}
		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>";

	return debug;
}

QString ConfigInfoView::print_filter(const QString &str)
{
	QRegExp re("[<>&\"\\n]");
	QString res = str;
	for (int i = 0; (i = res.find(re, i)) >= 0;) {
		switch (res[i].latin1()) {
		case '<':
			res.replace(i, 1, "&lt;");
			i += 4;
			break;
		case '>':
			res.replace(i, 1, "&gt;");
			i += 4;
			break;
		case '&':
			res.replace(i, 1, "&amp;");
			i += 5;
			break;
		case '"':
			res.replace(i, 1, "&quot;");
			i += 6;
			break;
		case '\n':
			res.replace(i, 1, "<br>");
			i += 4;
			break;
		}
	}
	return res;
}

void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
{
	QString* text = reinterpret_cast<QString*>(data);
	QString str2 = print_filter(str);

	if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
		*text += QString().sprintf("<a href=\"s%p\">", sym);
		*text += str2;
		*text += "</a>";
	} else
		*text += str2;
}

QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
{
	QPopupMenu* popup = Parent::createPopupMenu(pos);
	QAction* action = new QAction(NULL,"Show Debug Info", 0, popup);
	  action->setToggleAction(TRUE);
	  connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
	  connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
	  action->setOn(showDebug());