linux/scripts/kconfig/qconf.h
Cyrill V. Gorcunov 73b8ed29ab [PATCH] qconf: fix SIGSEGV on empty menu items
qconf may cause SIGSEGV by trying to show debug information on empty menu
items

Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05 23:55:29 -08:00

337 lines
7.8 KiB
C++

/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <qlistview.h>
#if QT_VERSION >= 300
#include <qsettings.h>
#else
class QSettings {
public:
void beginGroup(const QString& group) { }
void endGroup(void) { }
bool readBoolEntry(const QString& key, bool def = FALSE, bool* ok = 0) const
{ if (ok) *ok = FALSE; return def; }
int readNumEntry(const QString& key, int def = 0, bool* ok = 0) const
{ if (ok) *ok = FALSE; return def; }
QString readEntry(const QString& key, const QString& def = QString::null, bool* ok = 0) const
{ if (ok) *ok = FALSE; return def; }
QStringList readListEntry(const QString& key, bool* ok = 0) const
{ if (ok) *ok = FALSE; return QStringList(); }
template <class t>
bool writeEntry(const QString& key, t value)
{ return TRUE; }
};
#endif
class ConfigView;
class ConfigList;
class ConfigItem;
class ConfigLineEdit;
class ConfigMainWindow;
class ConfigSettings : public QSettings {
public:
QValueList<int> readSizes(const QString& key, bool *ok);
bool writeSizes(const QString& key, const QValueList<int>& value);
};
enum colIdx {
promptColIdx, nameColIdx, noColIdx, modColIdx, yesColIdx, dataColIdx, colNr
};
enum listMode {
singleMode, menuMode, symbolMode, fullMode, listMode
};
class ConfigList : public QListView {
Q_OBJECT
typedef class QListView Parent;
public:
ConfigList(ConfigView* p, const char *name = 0);
void reinit(void);
ConfigView* parent(void) const
{
return (ConfigView*)Parent::parent();
}
ConfigItem* findConfigItem(struct menu *);
protected:
void keyPressEvent(QKeyEvent *e);
void contentsMousePressEvent(QMouseEvent *e);
void contentsMouseReleaseEvent(QMouseEvent *e);
void contentsMouseMoveEvent(QMouseEvent *e);
void contentsMouseDoubleClickEvent(QMouseEvent *e);
void focusInEvent(QFocusEvent *e);
void contextMenuEvent(QContextMenuEvent *e);
public slots:
void setRootMenu(struct menu *menu);
void updateList(ConfigItem *item);
void setValue(ConfigItem* item, tristate val);
void changeValue(ConfigItem* item);
void updateSelection(void);
void saveSettings(void);
signals:
void menuChanged(struct menu *menu);
void menuSelected(struct menu *menu);
void parentSelected(void);
void gotFocus(struct menu *);
public:
void updateListAll(void)
{
updateAll = true;
updateList(NULL);
updateAll = false;
}
ConfigList* listView()
{
return this;
}
ConfigItem* firstChild() const
{
return (ConfigItem *)Parent::firstChild();
}
int mapIdx(colIdx idx)
{
return colMap[idx];
}
void addColumn(colIdx idx, const QString& label)
{
colMap[idx] = Parent::addColumn(label);
colRevMap[colMap[idx]] = idx;
}
void removeColumn(colIdx idx)
{
int col = colMap[idx];
if (col >= 0) {
Parent::removeColumn(col);
colRevMap[col] = colMap[idx] = -1;
}
}
void setAllOpen(bool open);
void setParentMenu(void);
template <class P>
void updateMenuList(P*, struct menu*);
bool updateAll;
QPixmap symbolYesPix, symbolModPix, symbolNoPix;
QPixmap choiceYesPix, choiceNoPix;
QPixmap menuPix, menuInvPix, menuBackPix, voidPix;
bool showAll, showName, showRange, showData;
enum listMode mode;
struct menu *rootEntry;
QColorGroup disabledColorGroup;
QColorGroup inactivedColorGroup;
QPopupMenu* headerPopup;
private:
int colMap[colNr];
int colRevMap[colNr];
};
class ConfigItem : public QListViewItem {
typedef class QListViewItem Parent;
public:
ConfigItem(QListView *parent, ConfigItem *after, struct menu *m, bool v)
: Parent(parent, after), menu(m), visible(v), goParent(false)
{
init();
}
ConfigItem(ConfigItem *parent, ConfigItem *after, struct menu *m, bool v)
: Parent(parent, after), menu(m), visible(v), goParent(false)
{
init();
}
ConfigItem(QListView *parent, ConfigItem *after, bool v)
: Parent(parent, after), menu(0), visible(v), goParent(true)
{
init();
}
~ConfigItem(void);
void init(void);
#if QT_VERSION >= 300
void okRename(int col);
#endif
void updateMenu(void);
void testUpdateMenu(bool v);
ConfigList* listView() const
{
return (ConfigList*)Parent::listView();
}
ConfigItem* firstChild() const
{
return (ConfigItem *)Parent::firstChild();
}
ConfigItem* nextSibling() const
{
return (ConfigItem *)Parent::nextSibling();
}
void setText(colIdx idx, const QString& text)
{
Parent::setText(listView()->mapIdx(idx), text);
}
QString text(colIdx idx) const
{
return Parent::text(listView()->mapIdx(idx));
}
void setPixmap(colIdx idx, const QPixmap& pm)
{
Parent::setPixmap(listView()->mapIdx(idx), pm);
}
const QPixmap* pixmap(colIdx idx) const
{
return Parent::pixmap(listView()->mapIdx(idx));
}
void paintCell(QPainter* p, const QColorGroup& cg, int column, int width, int align);
ConfigItem* nextItem;
struct menu *menu;
bool visible;
bool goParent;
};
class ConfigLineEdit : public QLineEdit {
Q_OBJECT
typedef class QLineEdit Parent;
public:
ConfigLineEdit(ConfigView* parent);
ConfigView* parent(void) const
{
return (ConfigView*)Parent::parent();
}
void show(ConfigItem *i);
void keyPressEvent(QKeyEvent *e);
public:
ConfigItem *item;
};
class ConfigView : public QVBox {
Q_OBJECT
typedef class QVBox Parent;
public:
ConfigView(QWidget* parent, const char *name = 0);
~ConfigView(void);
static void updateList(ConfigItem* item);
static void updateListAll(void);
bool showAll(void) const { return list->showAll; }
bool showName(void) const { return list->showName; }
bool showRange(void) const { return list->showRange; }
bool showData(void) const { return list->showData; }
public slots:
void setShowAll(bool);
void setShowName(bool);
void setShowRange(bool);
void setShowData(bool);
signals:
void showAllChanged(bool);
void showNameChanged(bool);
void showRangeChanged(bool);
void showDataChanged(bool);
public:
ConfigList* list;
ConfigLineEdit* lineEdit;
static ConfigView* viewList;
ConfigView* nextView;
};
class ConfigInfoView : public QTextBrowser {
Q_OBJECT
typedef class QTextBrowser Parent;
public:
ConfigInfoView(QWidget* parent, const char *name = 0);
bool showDebug(void) const { return _showDebug; }
public slots:
void setInfo(struct menu *menu);
void saveSettings(void);
void setSource(const QString& name);
void setShowDebug(bool);
signals:
void showDebugChanged(bool);
void menuSelected(struct menu *);
protected:
void symbolInfo(void);
void menuInfo(void);
QString debug_info(struct symbol *sym);
static QString print_filter(const QString &str);
static void expr_print_help(void *data, struct symbol *sym, const char *str);
QPopupMenu* createPopupMenu(const QPoint& pos);
void contentsContextMenuEvent(QContextMenuEvent *e);
struct symbol *sym;
struct menu *menu;
bool _showDebug;
int has_dbg_info;
};
class ConfigSearchWindow : public QDialog {
Q_OBJECT
typedef class QDialog Parent;
public:
ConfigSearchWindow(QWidget* parent, const char *name = 0);
public slots:
void saveSettings(void);
void search(void);
protected:
QLineEdit* editField;
QPushButton* searchButton;
QSplitter* split;
ConfigView* list;
ConfigInfoView* info;
struct symbol **result;
};
class ConfigMainWindow : public QMainWindow {
Q_OBJECT
static QAction *saveAction;
static void conf_changed(void);
public:
ConfigMainWindow(void);
public slots:
void changeMenu(struct menu *);
void setMenuLink(struct menu *);
void listFocusChanged(void);
void goBack(void);
void loadConfig(void);
void saveConfig(void);
void saveConfigAs(void);
void searchConfig(void);
void showSingleView(void);
void showSplitView(void);
void showFullView(void);
void showIntro(void);
void showAbout(void);
void saveSettings(void);
protected:
void closeEvent(QCloseEvent *e);
ConfigSearchWindow *searchWindow;
ConfigView *menuView;
ConfigList *menuList;
ConfigView *configView;
ConfigList *configList;
ConfigInfoView *helpText;
QToolBar *toolBar;
QAction *backAction;
QSplitter* split1;
QSplitter* split2;
};