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-rw-r--r--src/keyboardmanager.cpp260
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diff --git a/src/keyboardmanager.cpp b/src/keyboardmanager.cpp
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+/***************************************************************************
+ * Copyright (C) 2006 by Ilya Kotov *
+ * forkotov02@hotmail.ru *
+ * *
+ * 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. *
+ * *
+ * This program 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 for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+
+#include <QKeyEvent>
+
+#include "playlist.h"
+#include "playlistmodel.h"
+#include "listwidget.h"
+#include "keyboardmanager.h"
+#include "mainwindow.h"
+
+
+KeyboardManager::KeyboardManager ( PlayList* pl )
+{
+ m_playlist = pl;
+}
+
+bool KeyboardManager::handleKeyPress ( QKeyEvent* ke )
+{
+ bool handled = TRUE;
+ switch ( ke->key() )
+ {
+ case Qt::Key_Up:
+ keyUp ( ke );
+ break;
+ case Qt::Key_Down:
+ keyDown ( ke );
+ break;
+ case Qt::Key_PageUp:
+ keyPgUp ( ke );
+ break;
+ case Qt::Key_PageDown:
+ keyPgDown ( ke );
+ break;
+ case Qt::Key_Enter:
+ case Qt::Key_Return:
+ keyEnter ( ke );
+ default:
+ handled = FALSE;
+ }
+ return handled;
+}
+
+bool KeyboardManager::handleKeyRelease ( QKeyEvent* )
+{
+ return FALSE;
+}
+
+
+
+void KeyboardManager::setModel ( PlayListModel *m )
+{
+ m_playListModel = m;
+}
+
+void KeyboardManager::keyUp ( QKeyEvent * ke )
+{
+ QList<int> rows = m_playListModel->getSelectedRows();
+ ListWidget* list_widget = m_playlist->listWidget();
+
+ if ( rows.count() > 0 )
+ {
+ if(rows[0] == 0 && rows.count() == 1)
+ return;
+
+ if ( ! ( ke->modifiers() & Qt::ShiftModifier || ke->modifiers() & Qt::AltModifier ) )
+ {
+ m_playListModel->clearSelection();
+ list_widget->setAnchorRow(-1);
+ }
+
+ bool select_top = false;
+ int first_visible = list_widget->firstVisibleRow();
+ int last_visible = list_widget->visibleRows() + first_visible - 1;
+ foreach ( int i, rows )
+ {
+ if ( i > last_visible || i < first_visible )
+ {
+ select_top = true;
+ break;
+ }
+ }
+
+ if ( !select_top || ke->modifiers() & Qt::ShiftModifier || ke->modifiers() & Qt::AltModifier )
+ {
+ if ( ke->modifiers() == Qt::AltModifier )
+ {
+ m_playListModel->moveItems ( rows[0],rows[0] - 1 );
+ list_widget->setAnchorRow ( list_widget->getAnchorRow() - 1 );
+ }
+ else
+ {
+ if ( rows.last() > list_widget->getAnchorRow() && ke->modifiers() & Qt::ShiftModifier )
+ {
+ m_playListModel->setSelected ( rows.last(),false );
+ }
+ else if ( rows[0] > 0 )
+ {
+ m_playListModel->setSelected ( rows[0] - 1,true );
+ }
+ else
+ {
+ m_playListModel->setSelected ( rows[0],true );
+ if(list_widget->getAnchorRow() == -1)
+ list_widget->setAnchorRow(rows[0]);
+ }
+
+ if ( ! ( ke->modifiers() & Qt::ShiftModifier ) && rows[0] > 0 )
+ list_widget->setAnchorRow ( rows[0] - 1 );
+ }
+ }
+ else
+ {
+ m_playListModel->setSelected ( list_widget->firstVisibleRow(),true );
+ list_widget->setAnchorRow(list_widget->firstVisibleRow());
+ }
+
+ rows = m_playListModel->getSelectedRows();
+
+ if ( rows[0] < list_widget->firstVisibleRow() && list_widget->firstVisibleRow() > 0 )
+ {
+ int r = rows.last() > list_widget->getAnchorRow() ? rows.last(): rows.first();
+ if(ke->modifiers() & Qt::ShiftModifier && (r >= list_widget->firstVisibleRow() ))
+ ;
+ else
+ list_widget->scroll ( list_widget->firstVisibleRow() - 1 );
+ }
+ }
+ else
+ {
+ //if(list_widget->getAnchorRow() == -1)
+ list_widget->setAnchorRow(list_widget->firstVisibleRow());
+ m_playListModel->setSelected ( list_widget->firstVisibleRow(),true );
+ }
+}
+
+void KeyboardManager::keyDown ( QKeyEvent * ke )
+{
+ QList<int> rows = m_playListModel->getSelectedRows();
+ ListWidget* list_widget = m_playlist->listWidget();
+ //qWarning("count: %d",rows.count());
+ if ( rows.count() > 0 )
+ {
+ if ( ! ( ke->modifiers() & Qt::ShiftModifier || ke->modifiers() & Qt::AltModifier ) )
+ {
+ m_playListModel->clearSelection();
+ list_widget->setAnchorRow(-1);
+ }
+
+ bool select_top = false;
+ int first_visible = list_widget->firstVisibleRow();
+ int last_visible = list_widget->visibleRows() + first_visible - 1;
+ foreach ( int i, rows )
+ {
+ if ( i > last_visible || i < first_visible )
+ {
+ select_top = true;
+ break;
+ }
+ }
+
+ if ( !select_top || ke->modifiers() & Qt::ShiftModifier || ke->modifiers() & Qt::AltModifier )
+ {
+ if ( ke->modifiers() == Qt::AltModifier )
+ {
+ m_playListModel->moveItems ( rows.last(),rows.last() + 1 );
+ list_widget->setAnchorRow ( list_widget->getAnchorRow() + 1 );
+ }
+ else
+ {
+ //qWarning("list_widget %d",list_widget->getAnchorRow());
+ //qWarning("model count: %d rows.last(): %d",m_playListModel->count(),rows.last());
+ if ( rows[0] < list_widget->getAnchorRow() && ke->modifiers() & Qt::ShiftModifier )
+ m_playListModel->setSelected ( rows[0],false );
+ else if ( rows.last() < m_playListModel->count() - 1 )
+ {
+ m_playListModel->setSelected ( rows.last() + 1,true );
+ }
+ else
+ {
+ m_playListModel->setSelected ( rows.last(),true );
+ if(list_widget->getAnchorRow() == -1)
+ list_widget->setAnchorRow(rows.last());
+ }
+
+ if ( ! ( ke->modifiers() & Qt::ShiftModifier ) && rows.last() < m_playListModel->count() - 1 )
+ list_widget->setAnchorRow ( rows.last() + 1 );
+ }
+ }
+ else
+ {
+ m_playListModel->setSelected ( list_widget->firstVisibleRow(),true );
+ list_widget->setAnchorRow(list_widget->firstVisibleRow());
+ }
+
+ rows = m_playListModel->getSelectedRows();
+
+ if ( !rows.isEmpty() && rows.last() >= list_widget->visibleRows() + list_widget->firstVisibleRow() )
+ {
+ int r = rows.first() < list_widget->getAnchorRow() ? rows.first(): rows.last();
+ if(ke->modifiers() & Qt::ShiftModifier &&
+ (r < list_widget->firstVisibleRow() + list_widget->visibleRows() ))
+ ;
+ else
+ list_widget->scroll ( list_widget->firstVisibleRow() + 1 );
+ }
+ }
+ else
+ {
+ m_playListModel->setSelected ( list_widget->firstVisibleRow(),true );
+ //if(list_widget->getAnchorRow() == -1)
+ list_widget->setAnchorRow(list_widget->firstVisibleRow());
+ }
+}
+
+void KeyboardManager::keyPgUp ( QKeyEvent * )
+{
+ ListWidget* list_widget = m_playlist->listWidget();
+ int page_size = list_widget->visibleRows();
+ int offset= ( list_widget->firstVisibleRow()-page_size >= 0 ) ?list_widget->firstVisibleRow()-page_size:0;
+ list_widget->scroll ( offset );
+}
+
+void KeyboardManager::keyPgDown ( QKeyEvent * )
+{
+ ListWidget* list_widget = m_playlist->listWidget();
+ int page_size = list_widget->visibleRows();
+ int offset = ( list_widget->firstVisibleRow() +page_size < m_playListModel->count() ) ?
+ list_widget->firstVisibleRow() +page_size:m_playListModel->count() - 1;
+ list_widget->scroll ( offset );
+}
+
+void KeyboardManager::keyEnter ( QKeyEvent * )
+{
+ QList<int> rows = m_playListModel->getSelectedRows();
+ MainWindow* mw = qobject_cast<MainWindow*> ( m_playlist->parentWidget() );
+ if ( mw && rows.count() > 0 )
+ {
+ m_playListModel->setCurrent ( rows[0] );
+ mw->replay();
+ }
+}
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2025-12-15 12:30:47 +0000