qt_demoe/third/designer/lib/shared/qdesigner_utils.cpp

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdesigner_utils_p.h"
#include "qdesigner_propertycommand_p.h"
#include "abstractformbuilder.h"
#include "formwindowbase_p.h"
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerIconCacheInterface>
#include <QtDesigner/QDesignerResourceBrowserInterface>
#include <QtDesigner/QDesignerLanguageExtension>
#include <QtDesigner/QDesignerTaskMenuExtension>
#include <QtDesigner/QExtensionManager>
#include <QtGui/QIcon>
#include <QtGui/QPixmap>
#include <QtCore/QDir>
#include <QtGui/QApplication>
#include <QtCore/QProcess>
#include <QtCore/QLibraryInfo>
#include <QtCore/QDebug>
#include <QtCore/QQueue>
#include <QtGui/QListWidget>
#include <QtGui/QTreeWidget>
#include <QtGui/QTableWidget>
#include <QtGui/QComboBox>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal
{
QDESIGNER_SHARED_EXPORT void designerWarning(const QString &message)
{
qWarning("Designer: %s", qPrintable(message));
}
void reloadTreeItem(DesignerIconCache *iconCache, QTreeWidgetItem *item)
{
if (!item)
return;
for (int c = 0; c < item->columnCount(); c++) {
const QVariant v = item->data(c, Qt::DecorationPropertyRole);
if (qVariantCanConvert<PropertySheetIconValue>(v))
item->setIcon(c, iconCache->icon(qVariantValue<PropertySheetIconValue>(v)));
}
}
void reloadListItem(DesignerIconCache *iconCache, QListWidgetItem *item)
{
if (!item)
return;
const QVariant v = item->data(Qt::DecorationPropertyRole);
if (qVariantCanConvert<PropertySheetIconValue>(v))
item->setIcon(iconCache->icon(qVariantValue<PropertySheetIconValue>(v)));
}
void reloadTableItem(DesignerIconCache *iconCache, QTableWidgetItem *item)
{
if (!item)
return;
const QVariant v = item->data(Qt::DecorationPropertyRole);
if (qVariantCanConvert<PropertySheetIconValue>(v))
item->setIcon(iconCache->icon(qVariantValue<PropertySheetIconValue>(v)));
}
void reloadIconResources(DesignerIconCache *iconCache, QObject *object)
{
if (QListWidget *listWidget = qobject_cast<QListWidget *>(object)) {
for (int i = 0; i < listWidget->count(); i++)
reloadListItem(iconCache, listWidget->item(i));
} else if (QComboBox *comboBox = qobject_cast<QComboBox *>(object)) {
for (int i = 0; i < comboBox->count(); i++) {
const QVariant v = comboBox->itemData(i, Qt::DecorationPropertyRole);
if (qVariantCanConvert<PropertySheetIconValue>(v)) {
QIcon icon = iconCache->icon(qVariantValue<PropertySheetIconValue>(v));
comboBox->setItemIcon(i, icon);
comboBox->setItemData(i, icon);
}
}
} else if (QTreeWidget *treeWidget = qobject_cast<QTreeWidget *>(object)) {
reloadTreeItem(iconCache, treeWidget->headerItem());
QQueue<QTreeWidgetItem *> itemsQueue;
for (int i = 0; i < treeWidget->topLevelItemCount(); i++)
itemsQueue.enqueue(treeWidget->topLevelItem(i));
while (!itemsQueue.isEmpty()) {
QTreeWidgetItem *item = itemsQueue.dequeue();
for (int i = 0; i < item->childCount(); i++)
itemsQueue.enqueue(item->child(i));
reloadTreeItem(iconCache, item);
}
} else if (QTableWidget *tableWidget = qobject_cast<QTableWidget *>(object)) {
const int columnCount = tableWidget->columnCount();
const int rowCount = tableWidget->rowCount();
for (int c = 0; c < columnCount; c++)
reloadTableItem(iconCache, tableWidget->horizontalHeaderItem(c));
for (int r = 0; r < rowCount; r++)
reloadTableItem(iconCache, tableWidget->verticalHeaderItem(r));
for (int c = 0; c < columnCount; c++)
for (int r = 0; r < rowCount; r++)
reloadTableItem(iconCache, tableWidget->item(r, c));
}
}
// ------------- DesignerMetaEnum
DesignerMetaEnum::DesignerMetaEnum(const QString &name, const QString &scope, const QString &separator) :
MetaEnum<int>(name, scope, separator)
{
}
QString DesignerMetaEnum::toString(int value, SerializationMode sm, bool *ok) const
{
// find value
bool valueOk;
const QString item = valueToKey(value, &valueOk);
if (ok)
*ok = valueOk;
if (!valueOk || sm == NameOnly)
return item;
QString qualifiedItem;
appendQualifiedName(item, qualifiedItem);
return qualifiedItem;
}
QString DesignerMetaEnum::messageToStringFailed(int value) const
{
return QCoreApplication::translate("DesignerMetaEnum", "%1 is not a valid enumeration value of '%2'.").arg(value).arg(name());
}
QString DesignerMetaEnum::messageParseFailed(const QString &s) const
{
return QCoreApplication::translate("DesignerMetaEnum", "'%1' could not be converted to an enumeration value of type '%2'.").arg(s).arg(name());
}
// -------------- DesignerMetaFlags
DesignerMetaFlags::DesignerMetaFlags(const QString &name, const QString &scope, const QString &separator) :
MetaEnum<uint>(name, scope, separator)
{
}
QStringList DesignerMetaFlags::flags(int ivalue) const
{
typedef MetaEnum<uint>::KeyToValueMap::const_iterator KeyToValueMapIterator;
QStringList rc;
const uint v = static_cast<uint>(ivalue);
const KeyToValueMapIterator cend = keyToValueMap().constEnd();
for (KeyToValueMapIterator it = keyToValueMap().constBegin();it != cend; ++it ) {
const uint itemValue = it.value();
// Check for equality first as flag values can be 0 or -1, too. Takes preference over a bitwise flag
if (v == itemValue) {
rc.clear();
rc.push_back(it.key());
return rc;
}
// Do not add 0-flags (None-flags)
if (itemValue)
if ((v & itemValue) == itemValue)
rc.push_back(it.key());
}
return rc;
}
QString DesignerMetaFlags::toString(int value, SerializationMode sm) const
{
const QStringList flagIds = flags(value);
if (flagIds.empty())
return QString();
const QChar delimiter = QLatin1Char('|');
QString rc;
const QStringList::const_iterator cend = flagIds.constEnd();
for (QStringList::const_iterator it = flagIds.constBegin(); it != cend; ++it) {
if (!rc.isEmpty())
rc += delimiter ;
if (sm == FullyQualified)
appendQualifiedName(*it, rc);
else
rc += *it;
}
return rc;
}
int DesignerMetaFlags::parseFlags(const QString &s, bool *ok) const
{
if (s.isEmpty()) {
if (ok)
*ok = true;
return 0;
}
uint flags = 0;
bool valueOk = true;
QStringList keys = s.split(QString(QLatin1Char('|')));
const QStringList::iterator cend = keys.end();
for (QStringList::iterator it = keys.begin(); it != cend; ++it) {
const uint flagValue = keyToValue(*it, &valueOk);
if (!valueOk) {
flags = 0;
break;
}
flags |= flagValue;
}
if (ok)
*ok = valueOk;
return static_cast<int>(flags);
}
QString DesignerMetaFlags::messageParseFailed(const QString &s) const
{
return QCoreApplication::translate("DesignerMetaFlags", "'%1' could not be converted to a flag value of type '%2'.").arg(s).arg(name());
}
// ---------- PropertySheetEnumValue
PropertySheetEnumValue::PropertySheetEnumValue(int v, const DesignerMetaEnum &me) :
value(v),
metaEnum(me)
{
}
PropertySheetEnumValue::PropertySheetEnumValue() :
value(0)
{
}
// ---------------- PropertySheetFlagValue
PropertySheetFlagValue::PropertySheetFlagValue(int v, const DesignerMetaFlags &mf) :
value(v),
metaFlags(mf)
{
}
PropertySheetFlagValue::PropertySheetFlagValue() :
value(0)
{
}
// ---------------- PropertySheetPixmapValue
PropertySheetPixmapValue::PropertySheetPixmapValue(const QString &path) : m_path(path)
{
}
PropertySheetPixmapValue::PropertySheetPixmapValue()
{
}
PropertySheetPixmapValue::PixmapSource PropertySheetPixmapValue::getPixmapSource(QDesignerFormEditorInterface *core, const QString & path)
{
if (const QDesignerLanguageExtension *lang = qt_extension<QDesignerLanguageExtension *>(core->extensionManager(), core))
return lang->isLanguageResource(path) ? LanguageResourcePixmap : FilePixmap;
return path.startsWith(QLatin1Char(':')) ? ResourcePixmap : FilePixmap;
}
int PropertySheetPixmapValue::compare(const PropertySheetPixmapValue &other) const
{
return m_path.compare(other.m_path);
}
QString PropertySheetPixmapValue::path() const
{
return m_path;
}
void PropertySheetPixmapValue::setPath(const QString &path)
{
if (m_path == path)
return;
m_path = path;
}
// ---------- PropertySheetIconValue
PropertySheetIconValue::PropertySheetIconValue(const PropertySheetPixmapValue &pixmap)
{
setPixmap(QIcon::Normal, QIcon::Off, pixmap);
}
PropertySheetIconValue::PropertySheetIconValue()
{
}
bool PropertySheetIconValue::equals(const PropertySheetIconValue &rhs) const
{
return m_paths == rhs.m_paths;
}
bool PropertySheetIconValue::operator<(const PropertySheetIconValue &other) const
{
QMapIterator<ModeStateKey, PropertySheetPixmapValue> itThis(m_paths);
QMapIterator<ModeStateKey, PropertySheetPixmapValue> itOther(other.m_paths);
while (itThis.hasNext() && itOther.hasNext()) {
const ModeStateKey thisPair = itThis.next().key();
const ModeStateKey otherPair = itOther.next().key();
if (thisPair < otherPair)
return true;
else if (otherPair < thisPair)
return false;
const int crc = itThis.value().compare(itOther.value());
if (crc < 0)
return true;
if (crc > 0)
return false;
}
if (itOther.hasNext())
return true;
return false;
}
PropertySheetPixmapValue PropertySheetIconValue::pixmap(QIcon::Mode mode, QIcon::State state) const
{
const ModeStateKey pair = qMakePair(mode, state);
return m_paths.value(pair);
}
void PropertySheetIconValue::setPixmap(QIcon::Mode mode, QIcon::State state, const PropertySheetPixmapValue &pixmap)
{
const ModeStateKey pair = qMakePair(mode, state);
if (pixmap.path().isEmpty())
m_paths.remove(pair);
else
m_paths.insert(pair, pixmap);
}
QPixmap DesignerPixmapCache::pixmap(const PropertySheetPixmapValue &value) const
{
QMap<PropertySheetPixmapValue, QPixmap>::const_iterator it = m_cache.constFind(value);
if (it != m_cache.constEnd())
return it.value();
QPixmap pix = QPixmap(value.path());
m_cache.insert(value, pix);
return pix;
}
void DesignerPixmapCache::clear()
{
m_cache.clear();
}
DesignerPixmapCache::DesignerPixmapCache(QObject *parent)
: QObject(parent)
{
}
QIcon DesignerIconCache::icon(const PropertySheetIconValue &value) const
{
QMap<PropertySheetIconValue, QIcon>::const_iterator it = m_cache.constFind(value);
if (it != m_cache.constEnd())
return it.value();
QIcon icon;
QMap<QPair<QIcon::Mode, QIcon::State>, PropertySheetPixmapValue> paths = value.paths();
QMapIterator<QPair<QIcon::Mode, QIcon::State>, PropertySheetPixmapValue> itPath(paths);
while (itPath.hasNext()) {
QPair<QIcon::Mode, QIcon::State> pair = itPath.next().key();
icon.addFile(itPath.value().path(), QSize(), pair.first, pair.second);
}
m_cache.insert(value, icon);
return icon;
}
void DesignerIconCache::clear()
{
m_cache.clear();
}
DesignerIconCache::DesignerIconCache(DesignerPixmapCache *pixmapCache, QObject *parent)
: QObject(parent),
m_pixmapCache(pixmapCache)
{
}
PropertySheetStringValue::PropertySheetStringValue(const QString &value,
bool translatable, const QString &disambiguation, const QString &comment)
: m_value(value), m_translatable(translatable), m_disambiguation(disambiguation), m_comment(comment)
{ }
QString PropertySheetStringValue::value() const
{
return m_value;
}
void PropertySheetStringValue::setValue(const QString &value)
{
m_value = value;
}
bool PropertySheetStringValue::translatable() const
{
return m_translatable;
}
void PropertySheetStringValue::setTranslatable(bool translatable)
{
m_translatable = translatable;
}
QString PropertySheetStringValue::disambiguation() const
{
return m_disambiguation;
}
void PropertySheetStringValue::setDisambiguation(const QString &disambiguation)
{
m_disambiguation = disambiguation;
}
QString PropertySheetStringValue::comment() const
{
return m_comment;
}
void PropertySheetStringValue::setComment(const QString &comment)
{
m_comment = comment;
}
bool PropertySheetStringValue::equals(const PropertySheetStringValue &rhs) const
{
return (m_value == rhs.m_value) && (m_translatable == rhs.m_translatable)
&& (m_disambiguation == rhs.m_disambiguation) && (m_comment == rhs.m_comment);
}
PropertySheetKeySequenceValue::PropertySheetKeySequenceValue(const QKeySequence &value,
bool translatable, const QString &disambiguation, const QString &comment)
: m_value(value),
m_standardKey(QKeySequence::UnknownKey),
m_translatable(translatable),
m_disambiguation(disambiguation),
m_comment(comment)
{ }
PropertySheetKeySequenceValue::PropertySheetKeySequenceValue(const QKeySequence::StandardKey &standardKey,
bool translatable, const QString &disambiguation, const QString &comment)
: m_value(QKeySequence(standardKey)),
m_standardKey(standardKey),
m_translatable(translatable),
m_disambiguation(disambiguation),
m_comment(comment)
{ }
QKeySequence PropertySheetKeySequenceValue::value() const
{
return m_value;
}
void PropertySheetKeySequenceValue::setValue(const QKeySequence &value)
{
m_value = value;
m_standardKey = QKeySequence::UnknownKey;
}
QKeySequence::StandardKey PropertySheetKeySequenceValue::standardKey() const
{
return m_standardKey;
}
void PropertySheetKeySequenceValue::setStandardKey(const QKeySequence::StandardKey &standardKey)
{
m_value = QKeySequence(standardKey);
m_standardKey = standardKey;
}
bool PropertySheetKeySequenceValue::isStandardKey() const
{
return m_standardKey != QKeySequence::UnknownKey;
}
QString PropertySheetKeySequenceValue::comment() const
{
return m_comment;
}
void PropertySheetKeySequenceValue::setComment(const QString &comment)
{
m_comment = comment;
}
QString PropertySheetKeySequenceValue::disambiguation() const
{
return m_disambiguation;
}
void PropertySheetKeySequenceValue::setDisambiguation(const QString &disambiguation)
{
m_disambiguation = disambiguation;
}
bool PropertySheetKeySequenceValue::translatable() const
{
return m_translatable;
}
void PropertySheetKeySequenceValue::setTranslatable(bool translatable)
{
m_translatable = translatable;
}
bool PropertySheetKeySequenceValue::equals(const PropertySheetKeySequenceValue &rhs) const
{
return (m_value == rhs.m_value) && (m_standardKey == rhs.m_standardKey)
&& (m_translatable == rhs.m_translatable) && (m_disambiguation == rhs.m_disambiguation) && (m_comment == rhs.m_comment);
}
class StateMap
{
public:
StateMap()
{
m_stateToFlag.insert(qMakePair(QIcon::Normal, QIcon::Off), 0x01);
m_stateToFlag.insert(qMakePair(QIcon::Normal, QIcon::On), 0x02);
m_stateToFlag.insert(qMakePair(QIcon::Disabled, QIcon::Off), 0x04);
m_stateToFlag.insert(qMakePair(QIcon::Disabled, QIcon::On), 0x08);
m_stateToFlag.insert(qMakePair(QIcon::Active, QIcon::Off), 0x10);
m_stateToFlag.insert(qMakePair(QIcon::Active, QIcon::On), 0x20);
m_stateToFlag.insert(qMakePair(QIcon::Selected, QIcon::Off), 0x40);
m_stateToFlag.insert(qMakePair(QIcon::Selected, QIcon::On), 0x80);
m_flagToState.insert(0x01, qMakePair(QIcon::Normal, QIcon::Off));
m_flagToState.insert(0x02, qMakePair(QIcon::Normal, QIcon::On));
m_flagToState.insert(0x04, qMakePair(QIcon::Disabled, QIcon::Off));
m_flagToState.insert(0x08, qMakePair(QIcon::Disabled, QIcon::On));
m_flagToState.insert(0x10, qMakePair(QIcon::Active, QIcon::Off));
m_flagToState.insert(0x20, qMakePair(QIcon::Active, QIcon::On));
m_flagToState.insert(0x40, qMakePair(QIcon::Selected, QIcon::Off));
m_flagToState.insert(0x80, qMakePair(QIcon::Selected, QIcon::On));
}
uint flag(const QPair<QIcon::Mode, QIcon::State> &pair) const
{
return m_stateToFlag.value(pair);
}
QPair<QIcon::Mode, QIcon::State> state(uint flag) const
{
return m_flagToState.value(flag);
}
private:
QMap<QPair<QIcon::Mode, QIcon::State>, uint > m_stateToFlag;
QMap<uint, QPair<QIcon::Mode, QIcon::State> > m_flagToState;
};
Q_GLOBAL_STATIC(StateMap, stateMap)
uint PropertySheetIconValue::mask() const
{
uint flags = 0;
QMapIterator<ModeStateKey, PropertySheetPixmapValue> itPath(m_paths);
while (itPath.hasNext())
flags |= stateMap()->flag(itPath.next().key());
return flags;
}
uint PropertySheetIconValue::compare(const PropertySheetIconValue &other) const
{
uint diffMask = mask() | other.mask();
for (int i = 0; i < 8; i++) {
uint flag = 1 << i;
if (diffMask & flag) { // if state is set in both icons, compare the values
const ModeStateKey state = stateMap()->state(flag);
if (pixmap(state.first, state.second) == other.pixmap(state.first, state.second))
diffMask &= ~flag;
}
}
return diffMask;
}
void PropertySheetIconValue::assign(const PropertySheetIconValue &other, uint mask)
{
for (int i = 0; i < 8; i++) {
uint flag = 1 << i;
if (mask & flag) {
const ModeStateKey state = stateMap()->state(flag);
setPixmap(state.first, state.second, other.pixmap(state.first, state.second));
}
}
}
PropertySheetIconValue::ModeStateToPixmapMap PropertySheetIconValue::paths() const
{
return m_paths;
}
QDESIGNER_SHARED_EXPORT QDesignerFormWindowCommand *createTextPropertyCommand(const QString &propertyName, const QString &text, QObject *object, QDesignerFormWindowInterface *fw)
{
if (text.isEmpty()) {
ResetPropertyCommand *cmd = new ResetPropertyCommand(fw);
cmd->init(object, propertyName);
return cmd;
}
SetPropertyCommand *cmd = new SetPropertyCommand(fw);
cmd->init(object, propertyName, text);
return cmd;
}
QDESIGNER_SHARED_EXPORT QAction *preferredEditAction(QDesignerFormEditorInterface *core, QWidget *managedWidget)
{
QAction *action = 0;
if (const QDesignerTaskMenuExtension *taskMenu = qt_extension<QDesignerTaskMenuExtension*>(core->extensionManager(), managedWidget)) {
action = taskMenu->preferredEditAction();
if (!action) {
const QList<QAction *> actions = taskMenu->taskActions();
if (!actions.isEmpty())
action = actions.first();
}
}
if (!action) {
if (const QDesignerTaskMenuExtension *taskMenu = qobject_cast<QDesignerTaskMenuExtension *>(
core->extensionManager()->extension(managedWidget, QLatin1String("QDesignerInternalTaskMenuExtension")))) {
action = taskMenu->preferredEditAction();
if (!action) {
const QList<QAction *> actions = taskMenu->taskActions();
if (!actions.isEmpty())
action = actions.first();
}
}
}
return action;
}
QDESIGNER_SHARED_EXPORT bool runUIC(const QString &fileName, UIC_Mode mode, QByteArray& ba, QString &errorMessage)
{
QStringList argv;
QString binary = QLibraryInfo::location(QLibraryInfo::BinariesPath);
binary += QDir::separator();
switch (mode) {
case UIC_GenerateCode:
binary += QLatin1String("uic");
break;
case UIC_ConvertV3:
binary += QLatin1String("uic3");
argv += QLatin1String("-convert");
break;
}
argv += fileName;
QProcess uic;
uic.start(binary, argv);
if (!uic.waitForStarted()) {
errorMessage = QApplication::translate("Designer", "Unable to launch %1.").arg(binary);
return false;
}
if (!uic.waitForFinished()) {
errorMessage = QApplication::translate("Designer", "%1 timed out.").arg(binary);
return false;
}
if (uic.exitCode()) {
errorMessage = QString::fromAscii(uic.readAllStandardError());
return false;
}
ba = uic.readAllStandardOutput();
return true;
}
QDESIGNER_SHARED_EXPORT QString qtify(const QString &name)
{
QString qname = name;
Q_ASSERT(qname.isEmpty() == false);
if (qname.count() > 1 && qname.at(1).isUpper()) {
const QChar first = qname.at(0);
if (first == QLatin1Char('Q') || first == QLatin1Char('K'))
qname.remove(0, 1);
}
const int len = qname.count();
for (int i = 0; i < len && qname.at(i).isUpper(); i++)
qname[i] = qname.at(i).toLower();
return qname;
}
// --------------- UpdateBlocker
UpdateBlocker::UpdateBlocker(QWidget *w) :
m_widget(w),
m_enabled(w->updatesEnabled() && w->isVisible())
{
if (m_enabled)
m_widget->setUpdatesEnabled(false);
}
UpdateBlocker::~UpdateBlocker()
{
if (m_enabled)
m_widget->setUpdatesEnabled(true);
}
} // namespace qdesigner_internal
QT_END_NAMESPACE