Rivendellaudio/lib/rdlistview.cpp
2019-02-15 17:23:18 -08:00

136 lines
2.9 KiB
C++

// rdlistview.cpp
//
// A contiguous-selection only QListView widget for Rivendell
//
// (C) Copyright 2002-2003,2016 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
#include <stdio.h>
#include <vector>
#include <rdlistview.h>
#include <rdlistviewitem.h>
RDListView::RDListView(QWidget *parent)
: Q3ListView(parent)
{
list_contiguous=true;
list_hard_sort_column=-1;
connect(this,
SIGNAL(mouseButtonClicked(int,Q3ListViewItem *,const QPoint &,int)),
this,
SLOT(mouseButtonClickedData(int,Q3ListViewItem *,const QPoint &,int)));
}
void RDListView::setContiguous(bool state) {
list_contiguous=state;
}
bool RDListView::contiguous() const
{
return list_contiguous;
}
int RDListView::hardSortColumn() const
{
return list_hard_sort_column;
}
void RDListView::setHardSortColumn(int col)
{
list_hard_sort_column=col;
}
RDListView::SortType RDListView::columnSortType(int column) const
{
return sort_type[column];
}
void RDListView::setColumnSortType(int column,SortType type)
{
sort_type[column]=type;
}
int RDListView::addColumn(const QString &label,int width)
{
sort_type.push_back(RDListView::NormalSort);
return Q3ListView::addColumn(label,width);
}
int RDListView::addColumn(const QIcon &iconset,const QString &label,
int width)
{
sort_type.push_back(RDListView::NormalSort);
return Q3ListView::addColumn(iconset,label,width);
}
void RDListView::selectLine(int line)
{
RDListViewItem *item=(RDListViewItem *)firstChild();
while(item!=NULL) {
if(item->line()==line) {
setSelected(item,true);
return;
}
item=(RDListViewItem *)item->nextSibling();
}
}
void RDListView::mouseButtonClickedData(int button,Q3ListViewItem *item,
const QPoint &pt,int col)
{
Q3ListViewItem *l;
bool contiguous;
if((list_contiguous==false)||(selectionMode()!=Q3ListView::Extended)||(item==NULL)||(button!=1)) {
return;
}
//
// Get Selected Range
//
l=item;
contiguous=true;
while((l=l->itemAbove())!=NULL) {
if(!l->isSelected()) {
contiguous=false;
}
if(!contiguous) {
setSelected(l,false);
}
}
l=item;
contiguous=true;
while((l=l->itemBelow())!=NULL) {
if(!l->isSelected()) {
contiguous=false;
}
if(!contiguous) {
setSelected(l,false);
}
}
}