qskinny/src/dialogs/QskDialog.cpp

657 lines
19 KiB
C++

/******************************************************************************
* QSkinny - Copyright (C) The authors
* SPDX-License-Identifier: BSD-3-Clause
*****************************************************************************/
#include "QskDialog.h"
#include "QskDialogButtonBox.h"
#include "QskLinearBox.h"
#include "QskMessageSubWindow.h"
#include "QskMessageWindow.h"
#include "QskSelectionSubWindow.h"
#include "QskSelectionWindow.h"
#include "QskPushButton.h"
#include "QskScrollArea.h"
#include "QskSimpleListBox.h"
#include "QskFocusIndicator.h"
#include <qfilesystemmodel.h>
#include <qguiapplication.h>
#include <qpointer.h>
#include <qquickwindow.h>
#include <qpa/qplatformdialoghelper.h>
static QskDialog::Action qskActionCandidate( const QskDialogButtonBox* buttonBox )
{
// not the fastest code ever, but usually we always
// have a AcceptRole or YesRole button
const QskDialog::ActionRole candidates[] =
{
QskDialog::AcceptRole, QskDialog::YesRole,
QskDialog::RejectRole, QskDialog::NoRole, QskDialog::DestructiveRole,
QskDialog::UserRole, QskDialog::ResetRole,
QskDialog::ApplyRole, QskDialog::HelpRole
};
for ( auto role : candidates )
{
const auto& buttons = buttonBox->buttons( role );
if ( !buttons.isEmpty() )
return buttonBox->action( buttons.first() );
}
return QskDialog::NoAction;
}
namespace
{
template< typename W, typename T, typename... Args >
class WindowOrSubWindow : public W, public T
{
public:
WindowOrSubWindow( QObject* parent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction, Args... args )
: W( parent, title, actions, defaultAction )
, T( parent, args... )
{
}
void setContentItem()
{
}
};
template< typename T, typename... Args >
class WindowOrSubWindow< QskDialogWindow, T, Args... > : public QskDialogWindow, public T
{
public:
WindowOrSubWindow( QObject* parent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction, Args... args )
: QskDialogWindow( static_cast< QWindow* >( parent ) )
, T( parent, args... )
{
auto* transientParent = static_cast< QWindow* >( parent );
setTransientParent( transientParent );
setTitle( title );
setDialogActions( actions );
if ( actions != QskDialog::NoAction && defaultAction == QskDialog::NoAction )
defaultAction = qskActionCandidate( buttonBox() );
setDefaultDialogAction( defaultAction );
setModality( transientParent ? Qt::WindowModal : Qt::ApplicationModal );
const QSize size = sizeConstraint();
if ( this->parent() )
{
QRect r( QPoint(), size );
r.moveCenter( QRect( QPoint(), this->parent()->size() ).center() );
setGeometry( r );
}
if ( size.isValid() )
{
setFlags( flags() | Qt::MSWindowsFixedSizeDialogHint );
setFixedSize( size );
}
setModality( Qt::ApplicationModal );
}
QskDialog::DialogCode exec()
{
return qskExec( this );
}
void setContentItem( QQuickItem* item )
{
QskDialogWindow::setDialogContentItem( item );
}
QQuickItem* rootItem()
{
return contentItem();
}
};
template< typename T, typename... Args >
class WindowOrSubWindow< QskDialogSubWindow, T, Args... > : public QskDialogSubWindow, public T
{
public:
WindowOrSubWindow( QObject* parent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction, Args... args )
: QskDialogSubWindow( static_cast< QQuickWindow* >( parent )->contentItem() )
, T( parent, args... )
{
setPopupFlag( QskPopup::DeleteOnClose );
setModal( true );
setTitle( title );
setDialogActions( actions );
if ( actions != QskDialog::NoAction && defaultAction == QskDialog::NoAction )
defaultAction = qskActionCandidate( buttonBox() );
setDefaultDialogAction( defaultAction );
}
QskDialog::DialogCode exec()
{
return QskDialogSubWindow::exec();
}
void setContentItem( QQuickItem* item )
{
QskDialogSubWindow::setContentItem( item );
}
QQuickItem* rootItem()
{
return this;
}
};
class FileSelection // ### looks like we don't need this class
{
public:
FileSelection( QObject* parent, const QString& directory )
: m_model( new QFileSystemModel( parent ) )
{
m_model->setRootPath( directory );
}
QString selectedFile() const
{
const auto index = m_model->index( m_model->rootPath() );
return m_model->filePath( index );
}
void setCurrentPath( const QString& path )
{
m_model->setRootPath( path );
}
QFileSystemModel* model()
{
return m_model;
}
private:
QFileSystemModel* const m_model;
};
template< typename W >
class FileSelectionWindow : public WindowOrSubWindow< W, FileSelection, QString >
{
using Inherited = WindowOrSubWindow< W, FileSelection, QString >;
public:
FileSelectionWindow( QObject* parent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction,const QString& directory )
: WindowOrSubWindow< W, FileSelection, QString >( parent, title, actions, defaultAction, directory )
{
auto* outerBox = new QskLinearBox( Qt::Vertical );
outerBox->setMargins( 20 );
outerBox->setSpacing( 20 );
#if 1
outerBox->setFixedSize( 500, 500 );
#endif
setupHeader( outerBox );
setupListBox( outerBox );
Inherited::setContentItem( outerBox );
}
private:
void setupHeader( QQuickItem* parentItem )
{
m_scrollArea = new QskScrollArea( parentItem );
m_scrollArea->setSizePolicy( Qt::Vertical, QskSizePolicy::Fixed );
m_scrollArea->setFlickableOrientations( Qt::Horizontal );
m_headerBox = new QskLinearBox( Qt::Horizontal, m_scrollArea );
m_scrollArea->setScrolledItem( m_headerBox );
}
static QStringList splitPath( const QString& path )
{
const auto cleanPath = QDir::cleanPath( path );
QDir dir( cleanPath );
QStringList result;
do
{
if( dir != QDir::root() )
{
result.prepend( dir.absolutePath() );
}
}
while( dir.cdUp() );
return result;
}
void updateHeader( const QString& path )
{
const auto dirPaths = splitPath( path );
for( int i = 0; i < dirPaths.count(); ++i )
{
QskPushButton* b;
if( m_breadcrumbsButtons.count() <= i )
{
b = new QskPushButton( m_headerBox );
b->setStrutSizeHint( QskPushButton::Panel, { -1, -1 } );
m_breadcrumbsButtons.append( b );
}
else
{
b = m_breadcrumbsButtons.at( i );
b->disconnect();
}
QFileInfo fi( dirPaths.at( i ) );
b->setText( fi.baseName() );
QObject::connect( b, &QskPushButton::clicked, this, [this, fi]()
{
FileSelection::setCurrentPath( fi.filePath() );
loadContents();
});
}
for( int i = dirPaths.count(); i < m_breadcrumbsButtons.count(); i++ )
{
m_breadcrumbsButtons.at( i )->deleteLater();
m_breadcrumbsButtons.removeAt( i );
}
m_scrollArea->ensureItemVisible( m_breadcrumbsButtons.last() );
}
void setupListBox( QQuickItem* parentItem )
{
m_listBox = new QskSimpleListBox( parentItem );
auto* m = FileSelection::model();
QObject::connect( m, &QFileSystemModel::directoryLoaded,
this, &FileSelectionWindow< W >::loadContents );
QObject::connect( m, &QFileSystemModel::rootPathChanged,
this, &FileSelectionWindow< W >::loadContents );
QObject::connect( m_listBox, &QskSimpleListBox::selectedEntryChanged,
this, [this]( const QString& path )
{
auto* m = FileSelection::model();
QFileInfo fi( m->rootPath(), path );
FileSelection::setCurrentPath( fi.absoluteFilePath() );
});
}
void loadContents()
{
m_listBox->removeBulk( 0 );
auto* m = FileSelection::model();
const auto index = m->index( m->rootPath() );
for ( int row = 0; row < m->rowCount( index ); row++ )
{
auto idx = m->index( row, 0, index );
m_listBox->append( m->fileName( idx ) );
}
updateHeader( QDir( FileSelection::selectedFile() ).path() );
}
QskSimpleListBox* m_listBox;
QskLinearBox* m_headerBox;
QskScrollArea* m_scrollArea;
QVector< QskPushButton* > m_breadcrumbsButtons;
};
}
static QskDialog::DialogCode qskExec( QskDialogWindow* dialogWindow )
{
#if 1
auto focusIndicator = new QskFocusIndicator();
focusIndicator->setObjectName( QStringLiteral( "DialogFocusIndicator" ) );
dialogWindow->addItem( focusIndicator );
#endif
return dialogWindow->exec();
}
static QQuickWindow* qskSomeQuickWindow()
{
// not the best code ever, but as it is a fallback only
// maybe we should also add the stacking order
const auto windows = QGuiApplication::topLevelWindows();
for ( auto window : windows )
{
if ( window->isVisible() )
{
if ( auto quickWindow = qobject_cast< QQuickWindow* >( window ) )
return quickWindow;
}
}
return nullptr;
}
static void qskSetupSubWindow(
const QString& title, QskDialog::Actions actions,
QskDialog::Action defaultAction, QskDialogSubWindow* subWindow )
{
subWindow->setPopupFlag( QskPopup::DeleteOnClose );
subWindow->setModal( true );
#if 0
subWindow->setWindowTitle( ... );
#endif
subWindow->setTitle( title );
subWindow->setDialogActions( actions );
if ( actions != QskDialog::NoAction && defaultAction == QskDialog::NoAction )
defaultAction = qskActionCandidate( subWindow->buttonBox() );
subWindow->setDefaultDialogAction( defaultAction );
}
static void qskSetupWindow(
QWindow* transientParent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction,
QskDialogWindow* window )
{
window->setTransientParent( transientParent );
window->setTitle( title );
window->setDialogActions( actions );
if ( actions != QskDialog::NoAction && defaultAction == QskDialog::NoAction )
defaultAction = qskActionCandidate( window->buttonBox() );
window->setDefaultDialogAction( defaultAction );
window->setModality( transientParent ? Qt::WindowModal : Qt::ApplicationModal );
const QSize size = window->sizeConstraint();
qDebug() << "sc:" << size;
if ( window->parent() )
{
QRect r( QPoint(), size );
r.moveCenter( QRect( QPoint(), window->parent()->size() ).center() );
window->setGeometry( r );
}
if ( size.isValid() )
{
window->setFlags( window->flags() | Qt::MSWindowsFixedSizeDialogHint );
window->setFixedSize( size );
}
window->setModality( Qt::ApplicationModal );
}
static QskDialog::Action qskMessageSubWindow(
QQuickWindow* window, const QString& title,
const QString& text, uint priority, QskDialog::Actions actions,
QskDialog::Action defaultAction )
{
auto subWindow = new QskMessageSubWindow( window->contentItem() );
subWindow->setPriority( priority );
subWindow->setText( text );
qskSetupSubWindow( title, actions, defaultAction, subWindow );
( void ) subWindow->exec();
auto clickedAction = subWindow->clickedAction();
if ( clickedAction == QskDialog::NoAction )
{
// dialog might have been closed by the window menu
clickedAction = QskDialog::Cancel;
}
return clickedAction;
}
static QskDialog::Action qskMessageWindow(
QWindow* transientParent, const QString& title,
const QString& text, uint priority, QskDialog::Actions actions,
QskDialog::Action defaultAction )
{
Q_UNUSED( priority ); // can we do something with it ?
QskMessageWindow messageWindow;
messageWindow.setText( text );
qskSetupWindow( transientParent, title, actions, defaultAction, &messageWindow );
( void ) qskExec( &messageWindow );
auto clickedAction = messageWindow.clickedAction();
if ( clickedAction == QskDialog::NoAction )
{
// dialog might have been closed by the window menu
clickedAction = QskDialog::Cancel;
}
return clickedAction;
}
static QString qskSelectSubWindow(
QQuickWindow* window, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction,
const QStringList& entries, int selectedRow )
{
auto subWindow = new QskSelectionSubWindow( window->contentItem() );
subWindow->setEntries( entries );
subWindow->setSelectedRow( selectedRow );
QString selectedEntry;
qskSetupSubWindow( title, actions, defaultAction, subWindow );
if ( subWindow->exec() == QskDialog::Accepted )
selectedEntry = subWindow->selectedEntry();
return selectedEntry;
}
static QString qskSelectWindow(
QWindow* transientParent, const QString& title,
QskDialog::Actions actions, QskDialog::Action defaultAction,
const QStringList& entries, int selectedRow )
{
QskSelectionWindow window;
window.setEntries( entries );
window.setSelectedRow( selectedRow );
QString selectedEntry = window.selectedEntry();
qskSetupWindow( transientParent, title, actions, defaultAction, &window );
if ( qskExec( &window ) == QskDialog::Accepted )
selectedEntry = window.selectedEntry();
return selectedEntry;
}
template< typename W >
static QString qskSelectFile( FileSelectionWindow< W >& window )
{
QString selectedFile = window.selectedFile();
if( window.exec() == QskDialog::Accepted )
selectedFile = window.selectedFile();
return selectedFile;
}
class QskDialog::PrivateData
{
public:
QPointer< QWindow > transientParent;
QskDialog::Policy policy = QskDialog::TopLevelWindow;
};
QskDialog::QskDialog()
: m_data( new PrivateData )
{
}
QskDialog::~QskDialog()
{
}
QskDialog* QskDialog::instance()
{
static QskDialog instance;
return &instance;
}
void QskDialog::setPolicy( Policy policy )
{
if ( policy != m_data->policy )
{
m_data->policy = policy;
Q_EMIT policyChanged();
}
}
QskDialog::Policy QskDialog::policy() const
{
return m_data->policy;
}
void QskDialog::setTransientParent( QWindow* window )
{
if ( m_data->transientParent != window )
{
m_data->transientParent = window;
Q_EMIT transientParentChanged();
}
}
QWindow* QskDialog::transientParent() const
{
return m_data->transientParent;
}
QskDialog::Action QskDialog::message(
const QString& title, const QString& text, uint priority,
Actions actions, Action defaultAction ) const
{
if ( m_data->policy == EmbeddedBox )
{
auto quickWindow = qobject_cast< QQuickWindow* >( m_data->transientParent );
if ( quickWindow == nullptr )
quickWindow = qskSomeQuickWindow();
if ( quickWindow )
{
return qskMessageSubWindow( quickWindow,
title, text, priority, actions, defaultAction );
}
}
return qskMessageWindow( m_data->transientParent,
title, text, priority, actions, defaultAction );
}
QskDialog::Action QskDialog::information(
const QString& title, const QString& text,
Actions actions, Action defaultAction ) const
{
return QskDialog::message( title, text, 0, actions, defaultAction );
}
QskDialog::Action QskDialog::question(
const QString& title, const QString& text,
Actions actions, Action defaultAction ) const
{
return QskDialog::message( title, text, 0, actions, defaultAction );
}
QString QskDialog::select( const QString& title,
const QStringList& entries, int selectedRow ) const
{
#if 1
// should be parameters
const auto actions = QskDialog::Ok | QskDialog::Cancel;
const auto defaultAction = QskDialog::Ok;
#endif
if ( m_data->policy == EmbeddedBox )
{
auto quickWindow = qobject_cast< QQuickWindow* >( m_data->transientParent );
if ( quickWindow == nullptr )
quickWindow = qskSomeQuickWindow();
if ( quickWindow )
{
return qskSelectSubWindow( quickWindow,
title, actions, defaultAction, entries, selectedRow );
}
}
return qskSelectWindow( m_data->transientParent, title,
actions, defaultAction, entries, selectedRow );
}
QString QskDialog::selectFile(
const QString& title, const QString& directory ) const
{
#if 1
// should be parameters
const auto actions = QskDialog::Ok | QskDialog::Cancel;
const auto defaultAction = QskDialog::Ok;
#endif
if ( m_data->policy == EmbeddedBox )
{
auto quickWindow = qobject_cast< QQuickWindow* >( m_data->transientParent );
if ( quickWindow == nullptr )
quickWindow = qskSomeQuickWindow();
if ( quickWindow )
{
FileSelectionWindow< QskDialogSubWindow > window( quickWindow, title, actions, defaultAction, directory );
return qskSelectFile< QskDialogSubWindow >( window );
}
}
FileSelectionWindow< QskDialogWindow > window( m_data->transientParent, title, actions, defaultAction, directory );
return qskSelectFile< QskDialogWindow >( window );
}
QskDialog::ActionRole QskDialog::actionRole( Action action )
{
using Q = QPlatformDialogHelper;
const auto role = Q::buttonRole( static_cast< Q::StandardButton >( action ) );
return static_cast< ActionRole >( role );
}
#include "moc_QskDialog.cpp"