Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2021 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : 
      23              : #include "dropdownview.h"
      24              : 
      25              : #include "log.h"
      26              : 
      27              : using namespace muse::uicomponents;
      28              : 
      29            0 : DropdownView::DropdownView(QQuickItem* parent)
      30            0 :     : PopupView(parent)
      31              : {
      32            0 : }
      33              : 
      34            0 : void DropdownView::updateGeometry()
      35              : {
      36            0 :     const QQuickItem* parent = parentItem();
      37            0 :     IF_ASSERT_FAILED(parent) {
      38            0 :         return;
      39              :     }
      40              : 
      41            0 :     QPointF parentTopLeft = parent->mapToGlobal(QPoint(0, 0));
      42              : 
      43            0 :     if (m_globalPos.isNull()) {
      44            0 :         m_globalPos = parentTopLeft;
      45              :     }
      46              : 
      47            0 :     QRectF anchorRect = anchorGeometry();
      48            0 :     QRectF popupRect(m_globalPos, contentItem()->size());
      49              : 
      50              :     //! NOTE: should be after resolving anchor geometry
      51              :     //! because we can move out of the screen
      52            0 :     m_globalPos += m_localPos;
      53              : 
      54            0 :     auto movePos = [this, &popupRect](qreal x, qreal y) {
      55            0 :         m_globalPos.setX(x);
      56            0 :         m_globalPos.setY(y);
      57              : 
      58            0 :         popupRect.moveTopLeft(m_globalPos);
      59            0 :     };
      60              : 
      61              :     // move to focus item
      62            0 :     movePos(m_globalPos.x(), m_globalPos.y() - focusItemY());
      63              : 
      64            0 :     if (popupRect.bottom() > anchorRect.bottom()) {
      65              :         // move to the right of the parent and move to top to an area that doesn't fit
      66            0 :         movePos(m_globalPos.x(), m_globalPos.y() - (popupRect.bottom() - anchorRect.bottom()) + padding());
      67              :     }
      68              : 
      69            0 :     if (popupRect.left() < anchorRect.left()) {
      70              :         // move to the right to an area that doesn't fit
      71            0 :         movePos(m_globalPos.x() + anchorRect.left() - popupRect.left(), m_globalPos.y());
      72              :     }
      73              : 
      74            0 :     if (popupRect.right() > anchorRect.right()) {
      75              :         // move to the left to an area that doesn't fit
      76            0 :         movePos(m_globalPos.x() - (popupRect.right() - anchorRect.right()), m_globalPos.y());
      77              :     }
      78              : 
      79            0 :     if (popupRect.top() < anchorRect.top()) {
      80              :         // move to the bottom to an area that doesn't fit
      81            0 :         movePos(m_globalPos.x(), anchorRect.top() + padding());
      82              :     }
      83              : 
      84              :     // remove padding for arrow
      85            0 :     movePos(m_globalPos.x() - padding(), m_globalPos.y());
      86              : 
      87            0 :     updateContentPosition();
      88              : }
      89              : 
      90            0 : int DropdownView::focusItemY() const
      91              : {
      92            0 :     return m_focusItemY;
      93              : }
      94              : 
      95            0 : void DropdownView::setFocusItemY(int newFocusItemY)
      96              : {
      97            0 :     if (m_focusItemY == newFocusItemY) {
      98            0 :         return;
      99              :     }
     100              : 
     101            0 :     m_focusItemY = newFocusItemY;
     102            0 :     emit focusItemYChanged();
     103              : }