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partial old-style drag support

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This commit is contained in:
Brian Hrebec 2010-10-02 21:41:59 -05:00
parent 714d629752
commit 149b9a6766
2 changed files with 20 additions and 47 deletions
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64
src/playlist/playlistview.cpp
View file

@ -24,6 +24,7 @@
#include "skin.h"
#include "skinmanager.h"
#include <QDebug>
#include <QColor>
#include <QMenu>
#include <QPaintEvent>
@ -31,6 +32,7 @@
#include <QPalette>
#include <QSettings>
#include <QFontMetrics>
#include <QScrollBar>
#include <QSizePolicy>
@ -123,7 +125,7 @@ PlaylistView::PlaylistView (QWidget *parent) : QListView (parent)
setSelectionMode (QAbstractItemView::ExtendedSelection);
setUniformItemSizes(true);
//setDragEnabled(true);
setDragEnabled(true);
setAcceptDrops(true);
// TODO make sure delegate gets deleted
@ -326,16 +328,18 @@ PlaylistView::mouseMoveEvent (QMouseEvent *event)
if (mouseIndex.row () < 0 || sel.empty())
return;
if (mouseIndex != currentIndex () && m_old_selection.empty()) {
if (mouseIndex != currentIndex () && m_old_selection.isEmpty()) {
m_old_current_index = currentIndex ().row();
qSort(sel);
int diff = mouseIndex.row () - currentIndex ().row ();
if (!(sel.first().row () + diff >= 0) ||
if (!(sel.first ().row () + diff >= 0) ||
!(sel.last ().row () + diff < model ()->rowCount ()))
return;
m_prev_scroll_pos = verticalScrollBar ()->value();
if (diff < 0 ) {
// move selection up
for (int i = 0; i < sel.size (); i++) {
@ -355,46 +359,7 @@ PlaylistView::mouseMoveEvent (QMouseEvent *event)
m_old_selection.insert(row);
}
}
setSelectionMode (QAbstractItemView::NoSelection);
setCurrentIndex(mouseIndex);
setSelectionMode (QAbstractItemView::ExtendedSelection);
}
/*
QRect r = visualRect(currentIndex ());
int y = event->pos ().y();
if (!(y >= r.y () &&
y <= r.y () + r.height ())) {
m_old_selection.clear();
m_old_current_index = currentIndex ().row();
QModelIndexList sel = selectedIndexes ();
qSort(sel);
if (y < r.y ()) {
// move selection up
for (int i = 0; i < sel.size (); i++) {
int row = sel[i].row();
//qDebug() << "moving " << row << "to" << row - 1;
App->client ()->playlist ()->moveEntry (row, row - 1);
m_old_selection.insert(row);
}
} else {
// move selection down
for (int i = sel.size () - 1; i >= 0; i--) {
int row = sel[i].row();
//qDebug() << "moving " << row << "to" << row + 1;
App->client ()->playlist ()->moveEntry (row, row + 1);
m_old_selection.insert(row);
}
}
}
*/
}
void
@ -402,11 +367,18 @@ PlaylistView::entryMoved(QModelIndex a, QModelIndex b)
{
if (m_old_selection.contains (a.row())) {
selectionModel ()->select (b, QItemSelectionModel::Select);
m_old_selection.remove (a.row());
m_old_selection.remove (a.row ());
if (m_old_current_index == a.row ()) {
setSelectionMode (QAbstractItemView::NoSelection);
setCurrentIndex (b);
setSelectionMode (QAbstractItemView::ExtendedSelection);
// update currentIndex without losing the selection
selectionModel ()->setCurrentIndex(b,
QItemSelectionModel::NoUpdate);
// restore the previous scroll position
scrollTo(model ()->index (m_prev_scroll_pos, 0),
QAbstractItemView::PositionAtTop);
// ensure the new one is visible
scrollTo (b);
}
}
}

1
src/playlist/playlistview.h
View file

@ -91,6 +91,7 @@ class PlaylistView : public QListView {
QSet<int> m_old_selection;
int m_old_current_index;
int m_prev_scroll_pos;
};