Add missing files

src/app/layout/qgslayoutguidewidget.cpp

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+/***************************************************************************
+                             qgslayoutguidewidget.cpp
+                             ------------------------
+    begin                : July 2017
+    copyright            : (C) 2017 by Nyall Dawson
+    email                : nyall dot dawson at gmail dot com
+ ***************************************************************************/
+/***************************************************************************
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "qgslayoutguidewidget.h"
+#include "qgslayout.h"
+#include "qgslayoutview.h"
+#include "qgsdoublespinbox.h"
+#include "qgslayoutunitscombobox.h"
+
+QgsLayoutGuideWidget::QgsLayoutGuideWidget( QWidget *parent, QgsLayout *layout, QgsLayoutView *layoutView )
+  : QgsPanelWidget( parent )
+  , mLayout( layout )
+{
+  setupUi( this );
+  setPanelTitle( tr( "Guides" ) );
+
+  mHozProxyModel = new QgsLayoutGuideProxyModel( mHozGuidesTableView, QgsLayoutGuide::Horizontal, 0 );
+  mHozProxyModel->setSourceModel( &mLayout->guides() );
+  mVertProxyModel = new QgsLayoutGuideProxyModel( mVertGuidesTableView, QgsLayoutGuide::Vertical, 0 );
+  mVertProxyModel->setSourceModel( &mLayout->guides() );
+
+  mHozGuidesTableView->setModel( mHozProxyModel );
+  mVertGuidesTableView->setModel( mVertProxyModel );
+
+  mHozGuidesTableView->setEditTriggers( QAbstractItemView::AllEditTriggers );
+  mVertGuidesTableView->setEditTriggers( QAbstractItemView::AllEditTriggers );
+
+
+  mHozGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mLayout, mHozProxyModel ) );
+  mHozGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mLayout, mHozProxyModel ) );
+
+  mVertGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mLayout, mVertProxyModel ) );
+  mVertGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mLayout, mVertProxyModel ) );
+
+  connect( mAddHozGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::addHorizontalGuide );
+  connect( mAddVertGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::addVerticalGuide );
+
+  connect( mDeleteHozGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::deleteHorizontalGuide );
+  connect( mDeleteVertGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::deleteVerticalGuide );
+
+  connect( layoutView, &QgsLayoutView::pageChanged, this, &QgsLayoutGuideWidget::pageChanged );
+  pageChanged( 0 );
+}
+
+void QgsLayoutGuideWidget::addHorizontalGuide()
+{
+  std::unique_ptr< QgsLayoutGuide > newGuide( new QgsLayoutGuide( QgsLayoutGuide::Horizontal, QgsLayoutMeasurement( 0 ) ) );
+  newGuide->setPage( mPage );
+  mLayout->guides().addGuide( newGuide.release() );
+}
+
+void QgsLayoutGuideWidget::addVerticalGuide()
+{
+  std::unique_ptr< QgsLayoutGuide > newGuide( new QgsLayoutGuide( QgsLayoutGuide::Vertical, QgsLayoutMeasurement( 0 ) ) );
+  newGuide->setPage( mPage );
+  mLayout->guides().addGuide( newGuide.release() );
+}
+
+void QgsLayoutGuideWidget::deleteHorizontalGuide()
+{
+  Q_FOREACH ( const QModelIndex &index, mHozGuidesTableView->selectionModel()->selectedIndexes() )
+  {
+    mHozGuidesTableView->closePersistentEditor( index );
+    if ( index.column() == 0 )
+      mHozProxyModel->removeRow( index.row() );
+  }
+}
+
+void QgsLayoutGuideWidget::deleteVerticalGuide()
+{
+  Q_FOREACH ( const QModelIndex &index, mVertGuidesTableView->selectionModel()->selectedIndexes() )
+  {
+    mVertGuidesTableView->closePersistentEditor( index );
+    if ( index.column() == 0 )
+      mVertProxyModel->removeRow( index.row() );
+  }
+}
+
+void QgsLayoutGuideWidget::pageChanged( int page )
+{
+  mPage = page;
+
+  // have to close any open editors - or we'll get a crash
+
+  // qt - y u no do this for me?
+  Q_FOREACH ( const QModelIndex &index, mHozGuidesTableView->selectionModel()->selectedIndexes() )
+  {
+    mHozGuidesTableView->closePersistentEditor( index );
+  }
+  Q_FOREACH ( const QModelIndex &index, mVertGuidesTableView->selectionModel()->selectedIndexes() )
+  {
+    mVertGuidesTableView->closePersistentEditor( index );
+  }
+
+  mHozProxyModel->setPage( page );
+  mVertProxyModel->setPage( page );
+  mPageLabel->setText( tr( "Guides for page %1" ).arg( page + 1 ) );
+}
+
+
+QgsLayoutGuidePositionDelegate::QgsLayoutGuidePositionDelegate( QgsLayout *layout, QAbstractItemModel *model )
+  : mLayout( layout )
+  , mModel( model )
+{
+
+}
+
+QWidget *QgsLayoutGuidePositionDelegate::createEditor( QWidget *parent, const QStyleOptionViewItem &, const QModelIndex &index ) const
+{
+  QgsDoubleSpinBox *spin = new QgsDoubleSpinBox( parent );
+  spin->setMinimum( 0 );
+  spin->setMaximum( 1000000 );
+  spin->setDecimals( 2 );
+  spin->setShowClearButton( false );
+  connect( spin, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double v )
+  {
+    // we want to update on every spin change, not just the final
+    setModelData( index, v, QgsLayoutGuideCollection::PositionRole );
+  } );
+  return spin;
+}
+
+void QgsLayoutGuidePositionDelegate::setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const
+{
+  QgsDoubleSpinBox *spin = qobject_cast< QgsDoubleSpinBox * >( editor );
+  model->setData( index, spin->value(), QgsLayoutGuideCollection::PositionRole );
+}
+
+void QgsLayoutGuidePositionDelegate::setModelData( const QModelIndex &index, const QVariant &value, int role ) const
+{
+  mModel->setData( index, value, role );
+}
+
+QgsLayoutGuideUnitDelegate::QgsLayoutGuideUnitDelegate( QgsLayout *layout, QAbstractItemModel *model )
+  : mLayout( layout )
+  , mModel( model )
+{
+
+}
+
+QWidget *QgsLayoutGuideUnitDelegate::createEditor( QWidget *parent, const QStyleOptionViewItem &, const QModelIndex &index ) const
+{
+  QgsLayoutUnitsComboBox *unitsCb = new QgsLayoutUnitsComboBox( parent );
+  connect( unitsCb, &QgsLayoutUnitsComboBox::changed, this, [ = ]( int unit )
+  {
+    // we want to update on every unit change, not just the final
+    setModelData( index, unit, QgsLayoutGuideCollection::UnitsRole );
+  } );
+  return unitsCb;
+}
+
+void QgsLayoutGuideUnitDelegate::setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const
+{
+  QgsLayoutUnitsComboBox *cb = qobject_cast< QgsLayoutUnitsComboBox *>( editor );
+  model->setData( index, cb->unit(), QgsLayoutGuideCollection::UnitsRole );
+}
+
+void QgsLayoutGuideUnitDelegate::setModelData( const QModelIndex &index, const QVariant &value, int role ) const
+{
+  mModel->setData( index, value, role );
+}

src/app/layout/qgslayoutguidewidget.h

@@ -0,0 +1,96 @@
+/***************************************************************************
+                             qgslayoutguidewidget.h
+                             ----------------------
+    begin                : July 2017
+    copyright            : (C) 2017 by Nyall Dawson
+    email                : nyall dot dawson at gmail dot com
+ ***************************************************************************/
+/***************************************************************************
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef QGSLAYOUTGUIDEWIDGET_H
+#define QGSLAYOUTGUIDEWIDGET_H
+
+#include "ui_qgslayoutguidewidgetbase.h"
+#include "qgspanelwidget.h"
+#include <QStyledItemDelegate>
+
+
+class QgsLayoutView;
+class QgsLayout;
+class QgsLayoutGuideProxyModel;
+
+class QgsLayoutGuideWidget: public QgsPanelWidget, private Ui::QgsLayoutGuideWidgetBase
+{
+    Q_OBJECT
+  public:
+    QgsLayoutGuideWidget( QWidget *parent, QgsLayout *layout, QgsLayoutView *layoutView );
+
+  private slots:
+
+    void addHorizontalGuide();
+    void addVerticalGuide();
+
+    void deleteHorizontalGuide();
+    void deleteVerticalGuide();
+
+    void pageChanged( int page );
+
+  private:
+
+    QgsLayout *mLayout = nullptr;
+    QgsLayoutGuideProxyModel *mHozProxyModel = nullptr;
+    QgsLayoutGuideProxyModel *mVertProxyModel = nullptr;
+    int mPage = 0;
+
+};
+
+
+class QgsLayoutGuidePositionDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+
+  public:
+
+    QgsLayoutGuidePositionDelegate( QgsLayout *layout, QAbstractItemModel *model );
+
+  protected:
+    QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem & /*option*/, const QModelIndex &index ) const override;
+    void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
+
+    void setModelData( const QModelIndex &index, const QVariant &value, int role ) const;
+
+  private:
+
+    QgsLayout *mLayout = nullptr;
+    QAbstractItemModel *mModel = nullptr;
+};
+
+class QgsLayoutGuideUnitDelegate : public QStyledItemDelegate
+{
+    Q_OBJECT
+
+  public:
+
+    QgsLayoutGuideUnitDelegate( QgsLayout *layout, QAbstractItemModel *model );
+
+  protected:
+    QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem & /*option*/, const QModelIndex &index ) const override;
+    void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
+
+    void setModelData( const QModelIndex &index, const QVariant &value, int role ) const;
+
+  private:
+
+    QgsLayout *mLayout = nullptr;
+
+    QAbstractItemModel *mModel = nullptr;
+};
+
+#endif // QGSLAYOUTGUIDEWIDGET_H