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ResInsight/Fwk/AppFwk/cafUserInterface/cafPdmUiComboBoxEditor.cpp
Magne Sjaastad 34fb7d7e84 #8345 Summary Plot Manager : Several improvements 
Add checkboxes for individual plots for vectors/addresses and creation of multiplots.
Moved code into RicSummaryPlotBuilder.
Allow UiComboBoxEditor to disable autocomplete.
Create plot using Enter key without modifiers.
2021-12-07 09:53:02 +01:00

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//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cafPdmUiComboBoxEditor.h"
#include "cafPdmField.h"
#include "cafPdmObject.h"
#include "cafPdmUiFieldEditorHandle.h"
#include "cafFactory.h"
#include "cafQShortenedLabel.h"
#include <QApplication>
#include <QComboBox>
#include <QDebug>
#include <QLabel>
#include <QLineEdit>
#include <QListView>
#include <QWheelEvent>
namespace caf
{
CAF_PDM_UI_FIELD_EDITOR_SOURCE_INIT( PdmUiComboBoxEditor );
/* GIMP RGBA C-Source image dump (StepDown.c) */
static const struct
{
unsigned int width;
unsigned int height;
unsigned int bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */
unsigned char pixel_data[16 * 16 * 4 + 1];
} stepDownImageData = {
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"\000\000\000\000\000",
};
QIcon createStepDownIcon()
{
QImage img( stepDownImageData.pixel_data, stepDownImageData.width, stepDownImageData.height, QImage::Format_ARGB32 );
QPixmap pxMap;
pxMap = QPixmap::fromImage( img );
return QIcon( pxMap );
}
static const QIcon& stepDownIcon()
{
static QIcon expandDownIcon( createStepDownIcon() );
return expandDownIcon;
}
/* GIMP RGBA C-Source image dump (StepUp.c) */
static const struct
{
unsigned int width;
unsigned int height;
unsigned int bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */
unsigned char pixel_data[16 * 16 * 4 + 1];
} stepUpImageData = {
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};
QIcon createStepUpIcon()
{
QImage img( stepUpImageData.pixel_data, stepUpImageData.width, stepUpImageData.height, QImage::Format_ARGB32 );
QPixmap pxMap;
pxMap = QPixmap::fromImage( img );
return QIcon( pxMap );
}
static const QIcon& stepUpIcon()
{
static QIcon stepUpIcon( createStepUpIcon() );
return stepUpIcon;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiComboBoxEditor::configureAndUpdateUi( const QString& uiConfigName )
{
if ( !m_label.isNull() )
{
PdmUiFieldEditorHandle::updateLabelFromField( m_label, uiConfigName );
}
// Handle attributes
caf::PdmUiObjectHandle* uiObject = uiObj( uiField()->fieldHandle()->ownerObject() );
if ( uiObject )
{
uiObject->editorAttribute( uiField()->fieldHandle(), uiConfigName, &m_attributes );
}
if ( !m_comboBox.isNull() )
{
m_comboBox->setEnabled( !uiField()->isUiReadOnly( uiConfigName ) );
m_comboBox->setToolTip( uiField()->uiToolTip( uiConfigName ) );
bool fromMenuOnly = true;
QList<PdmOptionItemInfo> options = uiField()->valueOptions( &fromMenuOnly );
CAF_ASSERT( fromMenuOnly ); // Not supported
m_comboBox->blockSignals( true );
m_comboBox->clear();
QListView* listView = dynamic_cast<QListView*>( m_comboBox->view() );
if ( listView )
{
listView->setSpacing( 2 );
}
if ( !options.isEmpty() )
{
for ( const auto& option : options )
{
auto icon = option.icon();
if ( icon )
m_comboBox->addItem( *icon, option.optionUiText() );
else
m_comboBox->addItem( option.optionUiText() );
m_comboBox->setIconSize( m_attributes.iconSize );
}
m_comboBox->setCurrentIndex( uiField()->uiValue().toInt() );
}
else
{
m_comboBox->addItem( uiField()->uiValue().toString() );
m_comboBox->setCurrentIndex( 0 );
}
if ( m_attributes.adjustWidthToContents )
{
m_comboBox->setSizeAdjustPolicy( QComboBox::AdjustToContents );
}
else if ( m_attributes.minimumContentsLength > 0 )
{
m_comboBox->setSizeAdjustPolicy( QComboBox::AdjustToContents );
m_comboBox->setMinimumContentsLength( m_attributes.minimumContentsLength );
// Make sure the popup adjusts to the content even if the widget itself doesn't
QFont font = m_comboBox->view()->font();
int maxTextWidth = 0;
bool labelsElided = false;
for ( const PdmOptionItemInfo& option : options )
{
QString label = option.optionUiText();
if ( label.size() > m_attributes.maximumMenuContentsLength )
{
label.resize( m_attributes.maximumMenuContentsLength );
labelsElided = true;
}
maxTextWidth = std::max( maxTextWidth, QFontMetrics( font ).boundingRect( label ).width() );
}
int marginWidth = m_comboBox->view()->contentsMargins().left() + m_comboBox->view()->contentsMargins().right();
m_comboBox->view()->setMinimumWidth( maxTextWidth + marginWidth );
m_comboBox->view()->setTextElideMode( labelsElided ? Qt::ElideMiddle : Qt::ElideNone );
}
if ( m_attributes.enableEditableContent )
{
m_comboBox->setEditable( true );
if ( !m_attributes.enableAutoComplete )
{
m_comboBox->setCompleter( nullptr );
}
m_comboBox->lineEdit()->setPlaceholderText( m_attributes.placeholderText );
}
if ( m_attributes.notifyWhenTextIsEdited )
{
connect( m_comboBox,
SIGNAL( editTextChanged( const QString& ) ),
this,
SLOT( slotEditTextChanged( const QString& ) ) );
if ( m_interactiveEditText == m_comboBox->lineEdit()->text() && m_interactiveEditCursorPosition > -1 )
{
m_comboBox->lineEdit()->setCursorPosition( m_interactiveEditCursorPosition );
m_comboBox->lineEdit()->deselect();
}
}
if ( m_attributes.minimumWidth != -1 )
{
m_comboBox->setMinimumWidth( m_attributes.minimumWidth );
}
m_comboBox->blockSignals( false );
}
if ( !m_layout.isNull() )
{
if ( m_attributes.showPreviousAndNextButtons )
{
if ( m_previousItemButton.isNull() )
{
m_previousItemButton = new QToolButton( m_placeholder );
connect( m_previousItemButton, SIGNAL( clicked() ), this, SLOT( slotPreviousButtonPressed() ) );
m_previousItemButton->setToolTip( "Previous" );
}
if ( m_nextItemButton.isNull() )
{
m_nextItemButton = new QToolButton( m_placeholder );
connect( m_nextItemButton, SIGNAL( clicked() ), this, SLOT( slotNextButtonPressed() ) );
m_nextItemButton->setToolTip( "Next" );
}
m_layout->insertWidget( 1, m_previousItemButton );
m_layout->insertWidget( 2, m_nextItemButton );
{
QIcon toolButtonIcon;
if ( !m_attributes.previousIcon.isNull() )
{
toolButtonIcon = m_attributes.previousIcon;
}
else
{
toolButtonIcon = stepUpIcon();
}
if ( m_comboBox->count() == 0 || m_comboBox->currentIndex() <= 0 )
{
QIcon disabledIcon( toolButtonIcon.pixmap( 16, 16, QIcon::Disabled ) );
m_previousItemButton->setIcon( disabledIcon );
}
else
{
m_previousItemButton->setIcon( toolButtonIcon );
}
}
{
QIcon toolButtonIcon;
if ( !m_attributes.nextIcon.isNull() )
{
toolButtonIcon = m_attributes.nextIcon;
}
else
{
toolButtonIcon = stepDownIcon();
}
if ( m_comboBox->count() == 0 || m_comboBox->currentIndex() >= m_comboBox->count() - 1 )
{
QIcon disabledIcon( toolButtonIcon.pixmap( 16, 16, QIcon::Disabled ) );
m_nextItemButton->setIcon( disabledIcon );
}
else
{
m_nextItemButton->setIcon( toolButtonIcon );
}
}
// Update button texts
if ( !m_attributes.nextButtonText.isEmpty() )
{
m_nextItemButton->setToolTip( m_attributes.nextButtonText );
}
if ( !m_attributes.prevButtonText.isEmpty() )
{
m_previousItemButton->setToolTip( m_attributes.prevButtonText );
}
}
else
{
if ( m_previousItemButton )
{
m_layout->removeWidget( m_previousItemButton );
m_previousItemButton->deleteLater();
}
if ( m_nextItemButton )
{
m_layout->removeWidget( m_nextItemButton );
m_nextItemButton->deleteLater();
}
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QMargins PdmUiComboBoxEditor::calculateLabelContentMargins() const
{
QSize editorSize = m_comboBox->sizeHint();
QSize labelSize = m_label->sizeHint();
int heightDiff = editorSize.height() - labelSize.height();
QMargins contentMargins = m_label->contentsMargins();
if ( heightDiff > 0 )
{
contentMargins.setTop( contentMargins.top() + heightDiff / 2 );
contentMargins.setBottom( contentMargins.bottom() + heightDiff / 2 );
}
return contentMargins;
}
//--------------------------------------------------------------------------------------------------
// Special class used to prevent a combo box to steal focus when scrolling
// the QScrollArea using the mouse wheel
//
// Based on
// http://stackoverflow.com/questions/5821802/qspinbox-inside-a-qscrollarea-how-to-prevent-spin-box-from-stealing-focus-when
//--------------------------------------------------------------------------------------------------
class CustomQComboBox : public QComboBox
{
public:
explicit CustomQComboBox( QWidget* parent = nullptr )
: QComboBox( parent )
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void wheelEvent( QWheelEvent* e ) override
{
if ( hasFocus() )
{
QComboBox::wheelEvent( e );
}
else
{
// Ignore the event to make sure event is handled by another widget
e->ignore();
}
}
protected:
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void focusInEvent( QFocusEvent* e ) override
{
setFocusPolicy( Qt::WheelFocus );
QComboBox::focusInEvent( e );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void focusOutEvent( QFocusEvent* e ) override
{
setFocusPolicy( Qt::StrongFocus );
QComboBox::focusOutEvent( e );
}
};
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PdmUiComboBoxEditor::PdmUiComboBoxEditor()
: m_interactiveEditCursorPosition( -1 )
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QWidget* PdmUiComboBoxEditor::createEditorWidget( QWidget* parent )
{
m_comboBox = new CustomQComboBox( parent );
m_comboBox->setFocusPolicy( Qt::StrongFocus );
m_placeholder = new QWidget( parent );
m_layout = new QHBoxLayout( m_placeholder );
m_layout->setContentsMargins( 0, 0, 0, 0 );
m_layout->setSpacing( 0 );
m_layout->addWidget( m_comboBox );
connect( m_comboBox, SIGNAL( activated( int ) ), this, SLOT( slotIndexActivated( int ) ) );
// Forward focus event to combo box editor
m_placeholder->setFocusProxy( m_comboBox );
return m_placeholder;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QWidget* PdmUiComboBoxEditor::createLabelWidget( QWidget* parent )
{
m_label = new QShortenedLabel( parent );
return m_label;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiComboBoxEditor::slotIndexActivated( int index )
{
if ( m_attributes.enableEditableContent )
{
// Use the text directly, as the item text could be entered directly by the user
auto text = m_comboBox->itemText( index );
this->setValueToField( text );
}
else
{
// Use index as data carrier to PDM field
// The index will be used as a lookup in a list of option items
QVariant v;
v = index;
QVariant uintValue( v.toUInt() );
this->setValueToField( uintValue );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiComboBoxEditor::slotEditTextChanged( const QString& text )
{
if ( text == m_interactiveEditText ) return;
m_interactiveEditText = text;
m_interactiveEditCursorPosition = m_comboBox->lineEdit()->cursorPosition();
this->setValueToField( text );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiComboBoxEditor::slotNextButtonPressed()
{
int indexCandidate = m_comboBox->currentIndex() + 1;
if ( indexCandidate < m_comboBox->count() )
{
slotIndexActivated( indexCandidate );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiComboBoxEditor::slotPreviousButtonPressed()
{
int indexCandidate = m_comboBox->currentIndex() - 1;
if ( indexCandidate > -1 && indexCandidate < m_comboBox->count() )
{
slotIndexActivated( indexCandidate );
}
}
} // end namespace caf
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