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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "layout_propertysheet.h"
// sdk
#include <QtDesigner/QExtensionManager>
#include <QtDesigner/QDesignerFormEditorInterface>
// shared
#include <ui4_p.h>
#include <qlayout_widget_p.h>
#include <formbuilderextra_p.h>
#include <QtGui/QFormLayout>
#include <QtCore/QHash>
#include <QtCore/QDebug>
#include <QtCore/QTextStream>
#include <QtCore/QByteArray>
#include <QtCore/QRegExp> // Remove once there is an editor for lists
QT_BEGIN_NAMESPACE
#define USE_LAYOUT_SIZE_CONSTRAINT
static const char *leftMargin = "leftMargin";
static const char *topMargin = "topMargin";
static const char *rightMargin = "rightMargin";
static const char *bottomMargin = "bottomMargin";
static const char *horizontalSpacing = "horizontalSpacing";
static const char *verticalSpacing = "verticalSpacing";
static const char *spacing = "spacing";
static const char *margin = "margin";
static const char *sizeConstraint = "sizeConstraint";
static const char *boxStretchPropertyC = "stretch";
static const char *gridRowStretchPropertyC = "rowStretch";
static const char *gridColumnStretchPropertyC = "columnStretch";
static const char *gridRowMinimumHeightPropertyC = "rowMinimumHeight";
static const char *gridColumnMinimumWidthPropertyC = "columnMinimumWidth";
namespace {
enum LayoutPropertyType {
LayoutPropertyNone,
LayoutPropertyMargin, // Deprecated
LayoutPropertyLeftMargin,
LayoutPropertyTopMargin,
LayoutPropertyRightMargin,
LayoutPropertyBottomMargin,
LayoutPropertySpacing,
LayoutPropertyHorizontalSpacing,
LayoutPropertyVerticalSpacing,
LayoutPropertySizeConstraint,
LayoutPropertyBoxStretch,
LayoutPropertyGridRowStretch,
LayoutPropertyGridColumnStretch,
LayoutPropertyGridRowMinimumHeight,
LayoutPropertyGridColumnMinimumWidth
};
}
// Check for a comma-separated list of integers. Used for
// per-cell stretch properties and grid per row/column properties.
// As it works now, they are passed as QByteArray strings. The
// property sheet refuses all invalid values. This could be
// replaced by lists once the property editor can handle them.
static bool isIntegerList(const QString &s)
{
// Check for empty string or comma-separated list of integers
static const QRegExp re(QLatin1String("[0-9]+(,[0-9]+)+"));
Q_ASSERT(re.isValid());
return s.isEmpty() || re.exactMatch(s);
}
// Quick lookup by name
static LayoutPropertyType layoutPropertyType(const QString &name)
{
static QHash<QString, LayoutPropertyType> namePropertyMap;
if (namePropertyMap.empty()) {
namePropertyMap.insert(QLatin1String(leftMargin), LayoutPropertyLeftMargin);
namePropertyMap.insert(QLatin1String(topMargin), LayoutPropertyTopMargin);
namePropertyMap.insert(QLatin1String(rightMargin), LayoutPropertyRightMargin);
namePropertyMap.insert(QLatin1String(bottomMargin), LayoutPropertyBottomMargin);
namePropertyMap.insert(QLatin1String(horizontalSpacing), LayoutPropertyHorizontalSpacing);
namePropertyMap.insert(QLatin1String(verticalSpacing), LayoutPropertyVerticalSpacing);
namePropertyMap.insert(QLatin1String(spacing), LayoutPropertySpacing);
namePropertyMap.insert(QLatin1String(margin), LayoutPropertyMargin);
namePropertyMap.insert(QLatin1String(sizeConstraint), LayoutPropertySizeConstraint);
namePropertyMap.insert(QLatin1String(boxStretchPropertyC ), LayoutPropertyBoxStretch);
namePropertyMap.insert(QLatin1String(gridRowStretchPropertyC), LayoutPropertyGridRowStretch);
namePropertyMap.insert(QLatin1String(gridColumnStretchPropertyC), LayoutPropertyGridColumnStretch);
namePropertyMap.insert(QLatin1String(gridRowMinimumHeightPropertyC), LayoutPropertyGridRowMinimumHeight);
namePropertyMap.insert(QLatin1String(gridColumnMinimumWidthPropertyC), LayoutPropertyGridColumnMinimumWidth);
}
return namePropertyMap.value(name, LayoutPropertyNone);
}
// return the layout margin if it is margin
static int getLayoutMargin(const QLayout *l, LayoutPropertyType type)
{
int left, top, right, bottom;
l->getContentsMargins(&left, &top, &right, &bottom);
switch (type) {
case LayoutPropertyLeftMargin:
return left;
case LayoutPropertyTopMargin:
return top;
case LayoutPropertyRightMargin:
return right;
case LayoutPropertyBottomMargin:
return bottom;
default:
Q_ASSERT(0);
break;
}
return 0;
}
// return the layout margin if it is margin
static void setLayoutMargin(QLayout *l, LayoutPropertyType type, int margin)
{
int left, top, right, bottom;
l->getContentsMargins(&left, &top, &right, &bottom);
switch (type) {
case LayoutPropertyLeftMargin:
left = margin;
break;
case LayoutPropertyTopMargin:
top = margin;
break;
case LayoutPropertyRightMargin:
right = margin;
break;
case LayoutPropertyBottomMargin:
bottom = margin;
break;
default:
Q_ASSERT(0);
break;
}
l->setContentsMargins(left, top, right, bottom);
}
namespace qdesigner_internal {
// ---------- LayoutPropertySheet: This sheet is never visible in
// the property editor. Rather, the sheet pulled for QLayoutWidget
// forwards all properties to it. Some properties (grid spacings) must be handled
// manually, as they are QDOC_PROPERTY only and not visible to introspection. Ditto
// for the 4 margins.
LayoutPropertySheet::LayoutPropertySheet(QLayout *l, QObject *parent)
: QDesignerPropertySheet(l, parent), m_layout(l)
{
const QString layoutGroup = QLatin1String("Layout");
int pindex = createFakeProperty(QLatin1String(leftMargin), 0);
setPropertyGroup(pindex, layoutGroup);
pindex = createFakeProperty(QLatin1String(topMargin), 0);
setPropertyGroup(pindex, layoutGroup);
pindex = createFakeProperty(QLatin1String(rightMargin), 0);
setPropertyGroup(pindex, layoutGroup);
pindex = createFakeProperty(QLatin1String(bottomMargin), 0);
setPropertyGroup(pindex, layoutGroup);
const int visibleMask = LayoutProperties::visibleProperties(m_layout);
if (visibleMask & LayoutProperties::HorizSpacingProperty) {
pindex = createFakeProperty(QLatin1String(horizontalSpacing), 0);
setPropertyGroup(pindex, layoutGroup);
pindex = createFakeProperty(QLatin1String(verticalSpacing), 0);
setPropertyGroup(pindex, layoutGroup);
setAttribute(indexOf(QLatin1String(spacing)), true);
}
setAttribute(indexOf(QLatin1String(margin)), true);
// Stretch
if (visibleMask & LayoutProperties::BoxStretchProperty) {
pindex = createFakeProperty(QLatin1String(boxStretchPropertyC), QByteArray());
setPropertyGroup(pindex, layoutGroup);
setAttribute(pindex, true);
} else {
// Add the grid per-row/column stretch and size limits
if (visibleMask & LayoutProperties::GridColumnStretchProperty) {
const QByteArray empty;
pindex = createFakeProperty(QLatin1String(gridRowStretchPropertyC), empty);
setPropertyGroup(pindex, layoutGroup);
setAttribute(pindex, true);
pindex = createFakeProperty(QLatin1String(gridColumnStretchPropertyC), empty);
setPropertyGroup(pindex, layoutGroup);
setAttribute(pindex, true);
pindex = createFakeProperty(QLatin1String(gridRowMinimumHeightPropertyC), empty);
setPropertyGroup(pindex, layoutGroup);
setAttribute(pindex, true);
pindex = createFakeProperty(QLatin1String(gridColumnMinimumWidthPropertyC), empty);
setPropertyGroup(pindex, layoutGroup);
setAttribute(pindex, true);
}
}
#ifdef USE_LAYOUT_SIZE_CONSTRAINT
// SizeConstraint cannot possibly be handled as a real property
// as it affects the layout parent widget and thus
// conflicts with Designer's special layout widget.
// It will take effect on the preview only.
pindex = createFakeProperty(QLatin1String(sizeConstraint));
setPropertyGroup(pindex, layoutGroup);
#endif
}
LayoutPropertySheet::~LayoutPropertySheet()
{
}
void LayoutPropertySheet::setProperty(int index, const QVariant &value)
{
const LayoutPropertyType type = layoutPropertyType(propertyName(index));
if (QLayoutWidget *lw = qobject_cast<QLayoutWidget *>(m_layout->parent())) {
switch (type) {
case LayoutPropertyLeftMargin:
lw->setLayoutLeftMargin(value.toInt());
return;
case LayoutPropertyTopMargin:
lw->setLayoutTopMargin(value.toInt());
return;
case LayoutPropertyRightMargin:
lw->setLayoutRightMargin(value.toInt());
return;
case LayoutPropertyBottomMargin:
lw->setLayoutBottomMargin(value.toInt());
return;
case LayoutPropertyMargin: {
const int v = value.toInt();
lw->setLayoutLeftMargin(v);
lw->setLayoutTopMargin(v);
lw->setLayoutRightMargin(v);
lw->setLayoutBottomMargin(v);
}
return;
default:
break;
}
}
switch (type) {
case LayoutPropertyLeftMargin:
case LayoutPropertyTopMargin:
case LayoutPropertyRightMargin:
case LayoutPropertyBottomMargin:
setLayoutMargin(m_layout, type, value.toInt());
return;
case LayoutPropertyHorizontalSpacing:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
grid->setHorizontalSpacing(value.toInt());
return;
}
if (QFormLayout *form = qobject_cast<QFormLayout *>(m_layout)) {
form->setHorizontalSpacing(value.toInt());
return;
}
break;
case LayoutPropertyVerticalSpacing:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
grid->setVerticalSpacing(value.toInt());
return;
}
if (QFormLayout *form = qobject_cast<QFormLayout *>(m_layout)) {
form->setVerticalSpacing(value.toInt());
return;
}
break;
case LayoutPropertyBoxStretch:
// TODO: Remove the regexp check once a proper editor for integer
// lists is in place?
if (QBoxLayout *box = qobject_cast<QBoxLayout *>(m_layout)) {
const QString stretch = value.toString();
if (isIntegerList(stretch))
QFormBuilderExtra::setBoxLayoutStretch(value.toString(), box);
}
break;
case LayoutPropertyGridRowStretch:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
const QString stretch = value.toString();
if (isIntegerList(stretch))
QFormBuilderExtra::setGridLayoutRowStretch(stretch, grid);
}
break;
case LayoutPropertyGridColumnStretch:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
const QString stretch = value.toString();
if (isIntegerList(stretch))
QFormBuilderExtra::setGridLayoutColumnStretch(value.toString(), grid);
}
break;
case LayoutPropertyGridRowMinimumHeight:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
const QString minSize = value.toString();
if (isIntegerList(minSize))
QFormBuilderExtra::setGridLayoutRowMinimumHeight(minSize, grid);
}
break;
case LayoutPropertyGridColumnMinimumWidth:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout)) {
const QString minSize = value.toString();
if (isIntegerList(minSize))
QFormBuilderExtra::setGridLayoutColumnMinimumWidth(minSize, grid);
}
break;
default:
break;
}
QDesignerPropertySheet::setProperty(index, value);
}
QVariant LayoutPropertySheet::property(int index) const
{
const LayoutPropertyType type = layoutPropertyType(propertyName(index));
if (const QLayoutWidget *lw = qobject_cast<QLayoutWidget *>(m_layout->parent())) {
switch (type) {
case LayoutPropertyLeftMargin:
return lw->layoutLeftMargin();
case LayoutPropertyTopMargin:
return lw->layoutTopMargin();
case LayoutPropertyRightMargin:
return lw->layoutRightMargin();
case LayoutPropertyBottomMargin:
return lw->layoutBottomMargin();
default:
break;
}
}
switch (type) {
case LayoutPropertyLeftMargin:
case LayoutPropertyTopMargin:
case LayoutPropertyRightMargin:
case LayoutPropertyBottomMargin:
return getLayoutMargin(m_layout, type);
case LayoutPropertyHorizontalSpacing:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return grid->horizontalSpacing();
if (const QFormLayout *form = qobject_cast<QFormLayout *>(m_layout))
return form->horizontalSpacing();
break;
case LayoutPropertyVerticalSpacing:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return grid->verticalSpacing();
if (const QFormLayout *form = qobject_cast<QFormLayout *>(m_layout))
return form->verticalSpacing();
case LayoutPropertyBoxStretch:
if (const QBoxLayout *box = qobject_cast<QBoxLayout *>(m_layout))
return QVariant(QByteArray(QFormBuilderExtra::boxLayoutStretch(box).toUtf8()));
break;
case LayoutPropertyGridRowStretch:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return QVariant(QByteArray(QFormBuilderExtra::gridLayoutRowStretch(grid).toUtf8()));
break;
case LayoutPropertyGridColumnStretch:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return QVariant(QByteArray(QFormBuilderExtra::gridLayoutColumnStretch(grid).toUtf8()));
break;
case LayoutPropertyGridRowMinimumHeight:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return QVariant(QByteArray(QFormBuilderExtra::gridLayoutRowMinimumHeight(grid).toUtf8()));
break;
case LayoutPropertyGridColumnMinimumWidth:
if (const QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
return QVariant(QByteArray(QFormBuilderExtra::gridLayoutColumnMinimumWidth(grid).toUtf8()));
break;
default:
break;
}
return QDesignerPropertySheet::property(index);
}
bool LayoutPropertySheet::reset(int index)
{
int left, top, right, bottom;
m_layout->getContentsMargins(&left, &top, &right, &bottom);
const LayoutPropertyType type = layoutPropertyType(propertyName(index));
bool rc = true;
switch (type) {
case LayoutPropertyLeftMargin:
m_layout->setContentsMargins(-1, top, right, bottom);
break;
case LayoutPropertyTopMargin:
m_layout->setContentsMargins(left, -1, right, bottom);
break;
case LayoutPropertyRightMargin:
m_layout->setContentsMargins(left, top, -1, bottom);
break;
case LayoutPropertyBottomMargin:
m_layout->setContentsMargins(left, top, right, -1);
break;
case LayoutPropertyBoxStretch:
if (QBoxLayout *box = qobject_cast<QBoxLayout *>(m_layout))
QFormBuilderExtra::clearBoxLayoutStretch(box);
break;
case LayoutPropertyGridRowStretch:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
QFormBuilderExtra::clearGridLayoutRowStretch(grid);
break;
case LayoutPropertyGridColumnStretch:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
QFormBuilderExtra::clearGridLayoutColumnStretch(grid);
break;
case LayoutPropertyGridRowMinimumHeight:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
QFormBuilderExtra::clearGridLayoutRowMinimumHeight(grid);
break;
case LayoutPropertyGridColumnMinimumWidth:
if (QGridLayout *grid = qobject_cast<QGridLayout *>(m_layout))
QFormBuilderExtra::clearGridLayoutColumnMinimumWidth(grid);
break;
default:
rc = QDesignerPropertySheet::reset(index);
break;
}
return rc;
}
void LayoutPropertySheet::setChanged(int index, bool changed)
{
const LayoutPropertyType type = layoutPropertyType(propertyName(index));
switch (type) {
case LayoutPropertySpacing:
if (LayoutProperties::visibleProperties(m_layout) & LayoutProperties::HorizSpacingProperty) {
setChanged(indexOf(QLatin1String(horizontalSpacing)), changed);
setChanged(indexOf(QLatin1String(verticalSpacing)), changed);
}
break;
case LayoutPropertyMargin:
setChanged(indexOf(QLatin1String(leftMargin)), changed);
setChanged(indexOf(QLatin1String(topMargin)), changed);
setChanged(indexOf(QLatin1String(rightMargin)), changed);
setChanged(indexOf(QLatin1String(bottomMargin)), changed);
break;
default:
break;
}
QDesignerPropertySheet::setChanged(index, changed);
}
void LayoutPropertySheet::stretchAttributesToDom(QDesignerFormEditorInterface *core, QLayout *lt, DomLayout *domLayout)
{
// Check if the respective stretch properties of the layout are changed.
// If so, set them to the DOM
const int visibleMask = LayoutProperties::visibleProperties(lt);
if (!(visibleMask & (LayoutProperties::BoxStretchProperty|LayoutProperties::GridColumnStretchProperty|LayoutProperties::GridRowStretchProperty)))
return;
const QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(core->extensionManager(), lt);
Q_ASSERT(sheet);
// Stretch
if (visibleMask & LayoutProperties::BoxStretchProperty) {
const int index = sheet->indexOf(QLatin1String(boxStretchPropertyC));
Q_ASSERT(index != -1);
if (sheet->isChanged(index))
domLayout->setAttributeStretch(sheet->property(index).toString());
}
if (visibleMask & LayoutProperties::GridColumnStretchProperty) {
const int index = sheet->indexOf(QLatin1String(gridColumnStretchPropertyC));
Q_ASSERT(index != -1);
if (sheet->isChanged(index))
domLayout->setAttributeColumnStretch(sheet->property(index).toString());
}
if (visibleMask & LayoutProperties::GridRowStretchProperty) {
const int index = sheet->indexOf(QLatin1String(gridRowStretchPropertyC));
Q_ASSERT(index != -1);
if (sheet->isChanged(index))
domLayout->setAttributeRowStretch(sheet->property(index).toString());
}
if (visibleMask & LayoutProperties::GridRowMinimumHeightProperty) {
const int index = sheet->indexOf(QLatin1String(gridRowMinimumHeightPropertyC));
Q_ASSERT(index != -1);
if (sheet->isChanged(index))
domLayout->setAttributeRowMinimumHeight(sheet->property(index).toString());
}
if (visibleMask & LayoutProperties::GridColumnMinimumWidthProperty) {
const int index = sheet->indexOf(QLatin1String(gridColumnMinimumWidthPropertyC));
Q_ASSERT(index != -1);
if (sheet->isChanged(index))
domLayout->setAttributeColumnMinimumWidth(sheet->property(index).toString());
}
}
void LayoutPropertySheet::markChangedStretchProperties(QDesignerFormEditorInterface *core, QLayout *lt, const DomLayout *domLayout)
{
// While the actual values are applied by the form builder, we still need
// to mark them as 'changed'.
QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(core->extensionManager(), lt);
Q_ASSERT(sheet);
if (!domLayout->attributeStretch().isEmpty())
sheet->setChanged(sheet->indexOf(QLatin1String(boxStretchPropertyC)), true);
if (!domLayout->attributeRowStretch().isEmpty())
sheet->setChanged(sheet->indexOf(QLatin1String(gridRowStretchPropertyC)), true);
if (!domLayout->attributeColumnStretch().isEmpty())
sheet->setChanged(sheet->indexOf(QLatin1String(gridColumnStretchPropertyC)), true);
if (!domLayout->attributeColumnMinimumWidth().isEmpty())
sheet->setChanged(sheet->indexOf(QLatin1String(gridColumnMinimumWidthPropertyC)), true);
if (!domLayout->attributeRowMinimumHeight().isEmpty())
sheet->setChanged(sheet->indexOf(QLatin1String(gridRowMinimumHeightPropertyC)), true);
}
}
QT_END_NAMESPACE
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