superkaramba

kwidgetlistbox.cpp

00001 /*
00002 * Copyright (C) 2005 Petri Damst� <petri.damsten@iki.fi>
00003 *
00004 * This file is part of SuperKaramba.
00005 *
00006 *  SuperKaramba is free software; you can redistribute it and/or modify
00007 *  it under the terms of the GNU General Public License as published by
00008 *  the Free Software Foundation; either version 2 of the License, or
00009 *  (at your option) any later version.
00010 *
00011 *  SuperKaramba is distributed in the hope that it will be useful,
00012 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 *  GNU General Public License for more details.
00015 *
00016 *  You should have received a copy of the GNU General Public License
00017 *  along with SuperKaramba; if not, write to the Free Software
00018 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019 ****************************************************************************/
00020 #include "kwidgetlistbox.h"
00021 
00022 #include <QApplication>
00023 
00024 KWidgetListbox::KWidgetListbox(QWidget *parent)
00025         : QTableWidget(parent)
00026 {
00027     setRowCount(0);
00028     setColumnCount(1);
00029 
00030     horizontalHeader()->hide();
00031     verticalHeader()->hide();
00032 
00033     setSelectionMode(QAbstractItemView::SingleSelection);
00034 
00035     connect(this, SIGNAL(cellClicked(int, int)),
00036             this, SLOT(selectionChanged(int, int)));
00037 
00038     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
00039 
00040     horizontalHeader()->setStretchLastSection(true);
00041     setAlternatingRowColors(true);
00042 }
00043 
00044 KWidgetListbox::~KWidgetListbox()
00045 {
00046     clear();
00047 }
00048 
00049 void KWidgetListbox::clear()
00050 {
00051     QTableWidget::clear();
00052 }
00053 
00054 int KWidgetListbox::insertItem(QWidget* item, int index)
00055 {
00056     int row = 0;
00057     if (index == -1) {
00058         row = rowCount();
00059         setRowCount(row + 1);
00060     } else
00061         return -1;
00062 
00063     setRowHeight(row, item->height());
00064     setCellWidget(row, 0, item);
00065 
00066     return row;
00067 }
00068 
00069 void KWidgetListbox::setSelected(QWidget* item)
00070 {
00071     setSelected(index(item));
00072 }
00073 
00074 void KWidgetListbox::selectionChanged(int row, int column)
00075 {
00076     setCurrentCell(row, column);
00077     emit selected(row);
00078 }
00079 
00080 void KWidgetListbox::removeItem(QWidget* item)
00081 {
00082     removeItem(index(item));
00083 }
00084 
00085 void KWidgetListbox::removeItem(int index)
00086 {
00087     removeRow(index);
00088 }
00089 
00090 void KWidgetListbox::setSelected(int index)
00091 {
00092     setCurrentCell(index, 0);
00093 }
00094 
00095 int KWidgetListbox::selected() const
00096 {
00097     return currentRow();
00098 }
00099 
00100 QWidget* KWidgetListbox::selectedItem() const
00101 {
00102     return item(selected());
00103 }
00104 
00105 QWidget* KWidgetListbox::item(int index) const
00106 {
00107     return cellWidget(index, 0);
00108 }
00109 
00110 int KWidgetListbox::index(QWidget* itm) const
00111 {
00112     for (int i = 0; i < rowCount(); ++i)
00113         if (item(i) == itm)
00114             return i;
00115     return -1;
00116 }
00117 
00118 void KWidgetListbox::showItems(show_callback func, void* data)
00119 {
00120     for (int i = 0; i < rowCount(); ++i) {
00121         if (func == 0)
00122             showRow(i);
00123         else {
00124             if (func(i, item(i), data))
00125                 showRow(i);
00126             else
00127                 hideRow(i);
00128         }
00129     }
00130 }
00131 
00132 void KWidgetListbox::showEvent(QShowEvent*)
00133 {
00134     repaint();
00135 }
00136 
00137 void KWidgetListbox::mousePressEvent(QMouseEvent *event)
00138 {
00139     if(event->button() == Qt::LeftButton) {
00140         m_dragStartPosition = event->pos();
00141     }
00142 
00143     QTableWidget::mousePressEvent(event);
00144 }
00145 
00146 void KWidgetListbox::mouseMoveEvent(QMouseEvent *event)
00147 {
00148     if(!(event->buttons() & Qt::LeftButton)) {
00149         return;
00150     }
00151 
00152     if ((event->pos() - m_dragStartPosition).manhattanLength() < QApplication::startDragDistance()) {
00153         return;
00154     }
00155 
00156     if (selected() <= 1) {
00157         return;
00158     }
00159 
00160     ThemeWidget *theme = qobject_cast<ThemeWidget*>(selectedItem());
00161     QDrag *drag = new QDrag(this);
00162     QMimeData *mimeData = new QMimeData;
00163 
00164 //    mimeData->setData("superkaramba/theme", theme->path().toAscii());
00165     drag->setMimeData(mimeData);
00166     drag->setPixmap(theme->icon());
00167 
00168     drag->start(Qt::IgnoreAction);
00169 
00170     emit itemDropped(QCursor::pos(), theme);
00171 }
00172 
00173 #include "kwidgetlistbox.moc"
superkaramba

kwidgetlistbox.cpp

superkaramba

kdeutils
