qt_demoe/designer/lib/uilib/formbuilderextra.cpp

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18 KiB
C++

/****************************************************************************
**
** 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
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****************************************************************************/
#include "formbuilderextra_p.h"
#include "abstractformbuilder.h"
#include "resourcebuilder_p.h"
#include "textbuilder_p.h"
#include "ui4_p.h"
#include <QtGui/QLabel>
#include <QtGui/QBoxLayout>
#include <QtGui/QGridLayout>
#include <QtCore/QVariant>
#include <QtCore/qdebug.h>
#include <QtCore/QTextStream>
#include <QtCore/QStringList>
#include <QtCore/QCoreApplication>
QT_BEGIN_NAMESPACE
#ifdef QFORMINTERNAL_NAMESPACE
namespace QFormInternal {
#endif
void uiLibWarning(const QString &message) {
qWarning("Designer: %s", qPrintable(message));
}
QFormBuilderExtra::CustomWidgetData::CustomWidgetData() :
isContainer(false)
{
}
QFormBuilderExtra::CustomWidgetData::CustomWidgetData(const DomCustomWidget *dcw) :
addPageMethod(dcw->elementAddPageMethod()),
baseClass(dcw->elementExtends()),
isContainer(dcw->hasElementContainer() && dcw->elementContainer() != 0)
{
#ifndef QT_FORMBUILDER_NO_SCRIPT
if (const DomScript *domScript = dcw->elementScript())
script = domScript->text();
#endif
}
QFormBuilderExtra::QFormBuilderExtra() :
m_layoutWidget(false),
m_resourceBuilder(0),
m_textBuilder(0)
{
}
QFormBuilderExtra::~QFormBuilderExtra()
{
clearResourceBuilder();
clearTextBuilder();
}
void QFormBuilderExtra::clear()
{
m_buddies.clear();
m_parentWidget = 0;
m_parentWidgetIsSet = false;
#ifndef QT_FORMBUILDER_NO_SCRIPT
m_FormScriptRunner.clearErrors();
#endif
m_customWidgetDataHash.clear();
m_buttonGroups.clear();
}
bool QFormBuilderExtra::applyPropertyInternally(QObject *o, const QString &propertyName, const QVariant &value)
{
// Store buddies and apply them later on as the widgets might not exist yet.
QLabel *label = qobject_cast<QLabel*>(o);
if (!label || propertyName != QFormBuilderStrings::instance().buddyProperty)
return false;
m_buddies.insert(label, value.toString());
return true;
}
void QFormBuilderExtra::applyInternalProperties() const
{
if (m_buddies.empty())
return;
const BuddyHash::const_iterator cend = m_buddies.constEnd();
for (BuddyHash::const_iterator it = m_buddies.constBegin(); it != cend; ++it )
applyBuddy(it.value(), BuddyApplyAll, it.key());
}
bool QFormBuilderExtra::applyBuddy(const QString &buddyName, BuddyMode applyMode, QLabel *label)
{
if (buddyName.isEmpty()) {
label->setBuddy(0);
return false;
}
const QWidgetList widgets = qFindChildren<QWidget*>(label->topLevelWidget(), buddyName);
if (widgets.empty()) {
label->setBuddy(0);
return false;
}
const QWidgetList::const_iterator cend = widgets.constEnd();
for ( QWidgetList::const_iterator it = widgets.constBegin(); it != cend; ++it) {
if (applyMode == BuddyApplyAll || !(*it)->isHidden()) {
label->setBuddy(*it);
return true;
}
}
label->setBuddy(0);
return false;
}
const QPointer<QWidget> &QFormBuilderExtra::parentWidget() const
{
return m_parentWidget;
}
bool QFormBuilderExtra::parentWidgetIsSet() const
{
return m_parentWidgetIsSet;
}
void QFormBuilderExtra::setParentWidget(const QPointer<QWidget> &w)
{
// Parent widget requires special handling of the geometry property.
m_parentWidget = w;
m_parentWidgetIsSet = true;
}
#ifndef QT_FORMBUILDER_NO_SCRIPT
QFormScriptRunner &QFormBuilderExtra::formScriptRunner()
{
return m_FormScriptRunner;
}
QString QFormBuilderExtra::customWidgetScript(const QString &className) const
{
const QHash<QString, CustomWidgetData>::const_iterator it = m_customWidgetDataHash.constFind(className);
if (it != m_customWidgetDataHash.constEnd())
return it.value().script;
return QString();
}
#endif
void QFormBuilderExtra::storeCustomWidgetData(const QString &className, const DomCustomWidget *d)
{
if (d)
m_customWidgetDataHash.insert(className, CustomWidgetData(d));
}
QString QFormBuilderExtra::customWidgetBaseClass(const QString &className) const
{
const QHash<QString, CustomWidgetData>::const_iterator it = m_customWidgetDataHash.constFind(className);
if (it != m_customWidgetDataHash.constEnd())
return it.value().baseClass;
return QString();
}
QString QFormBuilderExtra::customWidgetAddPageMethod(const QString &className) const
{
const QHash<QString, CustomWidgetData>::const_iterator it = m_customWidgetDataHash.constFind(className);
if (it != m_customWidgetDataHash.constEnd())
return it.value().addPageMethod;
return QString();
}
bool QFormBuilderExtra::isCustomWidgetContainer(const QString &className) const
{
const QHash<QString, CustomWidgetData>::const_iterator it = m_customWidgetDataHash.constFind(className);
if (it != m_customWidgetDataHash.constEnd())
return it.value().isContainer;
return false;
}
namespace {
typedef QHash<const QAbstractFormBuilder *, QFormBuilderExtra *> FormBuilderPrivateHash;
}
Q_GLOBAL_STATIC(FormBuilderPrivateHash, g_FormBuilderPrivateHash)
QFormBuilderExtra *QFormBuilderExtra::instance(const QAbstractFormBuilder *afb)
{
FormBuilderPrivateHash &fbHash = *g_FormBuilderPrivateHash();
FormBuilderPrivateHash::iterator it = fbHash.find(afb);
if (it == fbHash.end())
it = fbHash.insert(afb, new QFormBuilderExtra);
return it.value();
}
void QFormBuilderExtra::removeInstance(const QAbstractFormBuilder *afb)
{
FormBuilderPrivateHash &fbHash = *g_FormBuilderPrivateHash();
FormBuilderPrivateHash::iterator it = fbHash.find(afb);
if (it != fbHash.end()) {
delete it.value();
fbHash.erase(it);
}
}
void QFormBuilderExtra::setProcessingLayoutWidget(bool processing)
{
m_layoutWidget = processing;
}
bool QFormBuilderExtra::processingLayoutWidget() const
{
return m_layoutWidget;
}
void QFormBuilderExtra::setResourceBuilder(QResourceBuilder *builder)
{
if (m_resourceBuilder == builder)
return;
clearResourceBuilder();
m_resourceBuilder = builder;
}
QResourceBuilder *QFormBuilderExtra::resourceBuilder() const
{
return m_resourceBuilder;
}
void QFormBuilderExtra::clearResourceBuilder()
{
if (m_resourceBuilder) {
delete m_resourceBuilder;
m_resourceBuilder = 0;
}
}
void QFormBuilderExtra::setTextBuilder(QTextBuilder *builder)
{
if (m_textBuilder == builder)
return;
clearTextBuilder();
m_textBuilder = builder;
}
QTextBuilder *QFormBuilderExtra::textBuilder() const
{
return m_textBuilder;
}
void QFormBuilderExtra::clearTextBuilder()
{
if (m_textBuilder) {
delete m_textBuilder;
m_textBuilder = 0;
}
}
void QFormBuilderExtra::registerButtonGroups(const DomButtonGroups *domGroups)
{
typedef QList<DomButtonGroup*> DomButtonGroupList;
const DomButtonGroupList domGroupList = domGroups->elementButtonGroup();
const DomButtonGroupList::const_iterator cend = domGroupList.constEnd();
for (DomButtonGroupList::const_iterator it = domGroupList.constBegin(); it != cend; ++it) {
DomButtonGroup *domGroup = *it;
m_buttonGroups.insert(domGroup->attributeName(), ButtonGroupEntry(domGroup, 0));
}
}
// Utilities for parsing per-cell integer properties that have setters and
// getters of the form 'setX(int idx, int value)' and 'x(int index)'
// (converting them to comma-separated string lists and back).
// Used for layout stretch and grid per-row/column properties.
// Format a list of cell-properties of one dimension as a ','-separated list
template <class Layout>
inline QString perCellPropertyToString(const Layout *l, int count, int (Layout::*getter)(int) const)
{
if (count == 0)
return QString();
QString rc;
{
QTextStream str(&rc);
for (int i = 0; i < count; i++) {
if (i)
str << QLatin1Char(',');
str << (l->*getter)(i);
}
}
return rc;
}
// Clear the property, set all cells to 0
template <class Layout>
inline void clearPerCellValue(Layout *l, int count, void (Layout::*setter)(int,int), int value = 0)
{
for (int i = 0; i < count; i++)
(l->*setter)(i, value);
}
// Parse and set the property from a comma-separated list
template <class Layout>
inline bool parsePerCellProperty(Layout *l, int count, void (Layout::*setter)(int,int), const QString &s, int defaultValue = 0)
{
if (s.isEmpty()) {
clearPerCellValue(l, count, setter, defaultValue);
return true;
}
const QStringList list = s.split(QLatin1Char(','));
if (list.empty()) {
clearPerCellValue(l, count, setter, defaultValue);
return true;
}
// Apply all values contained in list
const int ac = qMin(count, list.size());
bool ok;
int i = 0;
for ( ; i < ac; i++) {
const int value = list.at(i).toInt(&ok);
if (!ok || value < 0)
return false;
(l->*setter)(i, value);
}
// Clear rest
for ( ; i < count; i++)
(l->*setter)(i, defaultValue);
return true;
}
// Read and write stretch
static QString msgInvalidStretch(const QString &objectName, const QString &stretch)
{
//: Parsing layout stretch values
return QCoreApplication::translate("FormBuilder", "Invalid stretch value for '%1': '%2'").arg(objectName, stretch);
}
QString QFormBuilderExtra::boxLayoutStretch(const QBoxLayout *box)
{
return perCellPropertyToString(box, box->count(), &QBoxLayout::stretch);
}
bool QFormBuilderExtra::setBoxLayoutStretch(const QString &s, QBoxLayout *box)
{
const bool rc = parsePerCellProperty(box, box->count(), &QBoxLayout::setStretch, s);
if (!rc)
uiLibWarning(msgInvalidStretch(box->objectName(), s));
return rc;
}
void QFormBuilderExtra::clearBoxLayoutStretch(QBoxLayout *box)
{
clearPerCellValue(box, box->count(), &QBoxLayout::setStretch);
}
QString QFormBuilderExtra::gridLayoutRowStretch(const QGridLayout *grid)
{
return perCellPropertyToString(grid, grid->rowCount(), &QGridLayout::rowStretch);
}
bool QFormBuilderExtra::setGridLayoutRowStretch(const QString &s, QGridLayout *grid)
{
const bool rc = parsePerCellProperty(grid, grid->rowCount(), &QGridLayout::setRowStretch, s);
if (!rc)
uiLibWarning(msgInvalidStretch(grid->objectName(), s));
return rc;
}
void QFormBuilderExtra::clearGridLayoutRowStretch(QGridLayout *grid)
{
clearPerCellValue(grid, grid->rowCount(), &QGridLayout::setRowStretch);
}
QString QFormBuilderExtra::gridLayoutColumnStretch(const QGridLayout *grid)
{
return perCellPropertyToString(grid, grid->columnCount(), &QGridLayout::columnStretch);
}
bool QFormBuilderExtra::setGridLayoutColumnStretch(const QString &s, QGridLayout *grid)
{
const bool rc = parsePerCellProperty(grid, grid->columnCount(), &QGridLayout::setColumnStretch, s);
if (!rc)
uiLibWarning(msgInvalidStretch(grid->objectName(), s));
return rc;
}
void QFormBuilderExtra::clearGridLayoutColumnStretch(QGridLayout *grid)
{
clearPerCellValue(grid, grid->columnCount(), &QGridLayout::setColumnStretch);
}
// Read and write grid layout row/column size limits
static QString msgInvalidMinimumSize(const QString &objectName, const QString &ms)
{
//: Parsing grid layout minimum size values
return QCoreApplication::translate("FormBuilder", "Invalid minimum size for '%1': '%2'").arg(objectName, ms);
}
QString QFormBuilderExtra::gridLayoutRowMinimumHeight(const QGridLayout *grid)
{
return perCellPropertyToString(grid, grid->rowCount(), &QGridLayout::rowMinimumHeight);
}
bool QFormBuilderExtra::setGridLayoutRowMinimumHeight(const QString &s, QGridLayout *grid)
{
const bool rc = parsePerCellProperty(grid, grid->rowCount(), &QGridLayout::setRowMinimumHeight, s);
if (!rc)
uiLibWarning(msgInvalidMinimumSize(grid->objectName(), s));
return rc;
}
void QFormBuilderExtra::clearGridLayoutRowMinimumHeight(QGridLayout *grid)
{
clearPerCellValue(grid, grid->rowCount(), &QGridLayout::setRowMinimumHeight);
}
QString QFormBuilderExtra::gridLayoutColumnMinimumWidth(const QGridLayout *grid)
{
return perCellPropertyToString(grid, grid->columnCount(), &QGridLayout::columnMinimumWidth);
}
bool QFormBuilderExtra::setGridLayoutColumnMinimumWidth(const QString &s, QGridLayout *grid)
{
const bool rc = parsePerCellProperty(grid, grid->columnCount(), &QGridLayout::setColumnMinimumWidth, s);
if (!rc)
uiLibWarning(msgInvalidMinimumSize(grid->objectName(), s));
return rc;
}
void QFormBuilderExtra::clearGridLayoutColumnMinimumWidth(QGridLayout *grid)
{
clearPerCellValue(grid, grid->columnCount(), &QGridLayout::setColumnMinimumWidth);
}
// ------------ QFormBuilderStrings
QFormBuilderStrings::QFormBuilderStrings() :
buddyProperty(QLatin1String("buddy")),
cursorProperty(QLatin1String("cursor")),
objectNameProperty(QLatin1String("objectName")),
trueValue(QLatin1String("true")),
falseValue(QLatin1String("false")),
horizontalPostFix(QLatin1String("Horizontal")),
separator(QLatin1String("separator")),
defaultTitle(QLatin1String("Page")),
titleAttribute(QLatin1String("title")),
labelAttribute(QLatin1String("label")),
toolTipAttribute(QLatin1String("toolTip")),
whatsThisAttribute(QLatin1String("whatsThis")),
flagsAttribute(QLatin1String("flags")),
iconAttribute(QLatin1String("icon")),
pixmapAttribute(QLatin1String("pixmap")),
textAttribute(QLatin1String("text")),
currentIndexProperty(QLatin1String("currentIndex")),
toolBarAreaAttribute(QLatin1String("toolBarArea")),
toolBarBreakAttribute(QLatin1String("toolBarBreak")),
dockWidgetAreaAttribute(QLatin1String("dockWidgetArea")),
marginProperty(QLatin1String("margin")),
spacingProperty(QLatin1String("spacing")),
leftMarginProperty(QLatin1String("leftMargin")),
topMarginProperty(QLatin1String("topMargin")),
rightMarginProperty(QLatin1String("rightMargin")),
bottomMarginProperty(QLatin1String("bottomMargin")),
horizontalSpacingProperty(QLatin1String("horizontalSpacing")),
verticalSpacingProperty(QLatin1String("verticalSpacing")),
sizeHintProperty(QLatin1String("sizeHint")),
sizeTypeProperty(QLatin1String("sizeType")),
orientationProperty(QLatin1String("orientation")),
styleSheetProperty(QLatin1String("styleSheet")),
qtHorizontal(QLatin1String("Qt::Horizontal")),
qtVertical(QLatin1String("Qt::Vertical")),
currentRowProperty(QLatin1String("currentRow")),
tabSpacingProperty(QLatin1String("tabSpacing")),
qWidgetClass(QLatin1String("QWidget")),
lineClass(QLatin1String("Line")),
geometryProperty(QLatin1String("geometry")),
scriptWidgetVariable(QLatin1String("widget")),
scriptChildWidgetsVariable(QLatin1String("childWidgets"))
{
itemRoles.append(qMakePair(Qt::FontRole, QString::fromLatin1("font")));
itemRoles.append(qMakePair(Qt::TextAlignmentRole, QString::fromLatin1("textAlignment")));
itemRoles.append(qMakePair(Qt::BackgroundRole, QString::fromLatin1("background")));
itemRoles.append(qMakePair(Qt::ForegroundRole, QString::fromLatin1("foreground")));
itemRoles.append(qMakePair(Qt::CheckStateRole, QString::fromLatin1("checkState")));
foreach (const RoleNName &it, itemRoles)
treeItemRoleHash.insert(it.second, it.first);
itemTextRoles.append(qMakePair(qMakePair(Qt::EditRole, Qt::DisplayPropertyRole),
textAttribute)); // This must be first for the loop below
itemTextRoles.append(qMakePair(qMakePair(Qt::ToolTipRole, Qt::ToolTipPropertyRole),
toolTipAttribute));
itemTextRoles.append(qMakePair(qMakePair(Qt::StatusTipRole, Qt::StatusTipPropertyRole),
QString::fromLatin1("statusTip")));
itemTextRoles.append(qMakePair(qMakePair(Qt::WhatsThisRole, Qt::WhatsThisPropertyRole),
whatsThisAttribute));
// Note: this skips the first item!
QList<TextRoleNName>::const_iterator it = itemTextRoles.constBegin(), end = itemTextRoles.constEnd();
while (++it != end)
treeItemTextRoleHash.insert(it->second, it->first);
}
const QFormBuilderStrings &QFormBuilderStrings::instance()
{
static const QFormBuilderStrings rc;
return rc;
}
#ifdef QFORMINTERNAL_NAMESPACE
} // namespace QFormInternal
#endif
QT_END_NAMESPACE