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clipboardbrowser.cpp
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clipboardbrowser.cpp
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/*
Copyright (c) 2016, Lukas Holecek <hluk@email.cz>
This file is part of CopyQ.
CopyQ 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 3 of the License, or
(at your option) any later version.
CopyQ 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 CopyQ. If not, see <http://www.gnu.org/licenses/>.
*/
#include "clipboardbrowser.h"
#include "common/appconfig.h"
#include "common/action.h"
#include "common/common.h"
#include "common/contenttype.h"
#include "common/log.h"
#include "common/mimetypes.h"
#include "gui/clipboarddialog.h"
#include "gui/iconfactory.h"
#include "gui/icons.h"
#include "gui/theme.h"
#include "item/itemeditor.h"
#include "item/itemeditorwidget.h"
#include "item/itemfactory.h"
#include "item/itemstore.h"
#include "item/itemwidget.h"
#include <QApplication>
#include <QDrag>
#include <QKeyEvent>
#include <QMimeData>
#include <QPushButton>
#include <QProgressBar>
#include <QMenu>
#include <QMessageBox>
#include <QPainter>
#include <QProcess>
#include <QScrollBar>
#include <QElapsedTimer>
namespace {
bool alphaSort(const QModelIndex &lhs, const QModelIndex &rhs)
{
const QString lhsText = lhs.data(contentType::text).toString();
const QString rhsText = rhs.data(contentType::text).toString();
return lhsText.localeAwareCompare(rhsText) < 0;
}
bool reverseSort(const QModelIndex &lhs, const QModelIndex &rhs)
{
return lhs.row() > rhs.row();
}
QModelIndex indexNear(const QListView *view, int offset)
{
const int s = view->spacing();
QModelIndex ind = view->indexAt( QPoint(s, offset) );
if ( !ind.isValid() )
ind = view->indexAt( QPoint(s, offset + 2 * s) );
return ind;
}
void updateLoadButtonIcon(QPushButton *loadButton)
{
const QIcon icon( getIcon("", IconRepeat) );
loadButton->setIconSize( QSize(64, 64) );
loadButton->setIcon(icon);
}
void appendTextData(const QVariantMap &data, const QString &mime, QByteArray *lines)
{
const QString text = getTextData(data, mime);
if (text.isEmpty())
return;
if ( !lines->isEmpty() )
lines->append('\n');
lines->append(text.toUtf8());
}
} // namespace
QVariantMap itemData(const QModelIndex &index)
{
return index.data(contentType::data).toMap();
}
class ScrollSaver {
public:
ScrollSaver(QListView *view)
: m_view(view)
, m_index()
, m_oldOffset(0)
, m_currentSelected(false)
{}
void save()
{
m_index = m_view->currentIndex();
m_oldOffset = m_view->visualRect(m_index).y();
m_currentSelected = m_index.isValid() && m_oldOffset >= 0
&& m_oldOffset < m_view->viewport()->contentsRect().height();
if (!m_currentSelected) {
m_index = indexNear(m_view, 0);
m_oldOffset = m_view->visualRect(m_index).y();
}
}
void restore()
{
QModelIndex current = m_view->currentIndex();
if ( !m_index.isValid() ) {
if ( !current.isValid() )
m_view->setCurrentIndex( m_view->model()->index(0, 0) );
return;
}
if ( !current.isValid() || (m_currentSelected && m_index == current) ) {
const int dy = m_view->visualRect(m_index).y() - m_oldOffset;
if (dy != 0) {
const int v = m_view->verticalScrollBar()->value();
m_view->verticalScrollBar()->setValue(v + dy);
}
}
}
private:
QListView *m_view;
QPersistentModelIndex m_index;
int m_oldOffset;
bool m_currentSelected;
};
ClipboardBrowserShared::ClipboardBrowserShared(ItemFactory *itemFactory)
: editor()
, maxItems(100)
, textWrap(true)
, viMode(false)
, saveOnReturnKey(false)
, moveItemOnReturnKey(false)
, minutesToExpire(0)
, itemFactory(itemFactory)
{
}
void ClipboardBrowserShared::loadFromConfiguration()
{
AppConfig appConfig;
editor = appConfig.option<Config::editor>();
maxItems = appConfig.option<Config::maxitems>();
textWrap = appConfig.option<Config::text_wrap>();
viMode = appConfig.option<Config::vi>();
saveOnReturnKey = !appConfig.option<Config::edit_ctrl_return>();
moveItemOnReturnKey = appConfig.option<Config::move>();
minutesToExpire = appConfig.option<Config::expire_tab>();
}
ClipboardBrowser::ClipboardBrowser(const ClipboardBrowserSharedPtr &sharedData, QWidget *parent)
: QListView(parent)
, m_itemLoader(NULL)
, m_tabName()
, m_lastFiltered(-1)
, m(this)
, d(this, sharedData->itemFactory)
, m_invalidateCache(false)
, m_expireAfterEditing(false)
, m_editor(NULL)
, m_sharedData(sharedData)
, m_loadButton(NULL)
, m_searchProgress(NULL)
, m_dragTargetRow(-1)
, m_dragStartPosition()
, m_spinLock(0)
, m_scrollSaver()
{
setLayoutMode(QListView::Batched);
setBatchSize(1);
setFrameShape(QFrame::NoFrame);
setTabKeyNavigation(false);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setWrapping(false);
setLayoutMode(QListView::SinglePass);
setEditTriggers(QAbstractItemView::NoEditTriggers);
setAlternatingRowColors(true);
initSingleShotTimer( &m_timerSave, 30000, this, SLOT(saveItems()) );
initSingleShotTimer( &m_timerScroll, 50 );
initSingleShotTimer( &m_timerUpdate, 10, this, SLOT(doUpdateCurrentPage()) );
initSingleShotTimer( &m_timerFilter, 10, this, SLOT(filterItems()) );
initSingleShotTimer( &m_timerExpire, 0, this, SLOT(expire()) );
// ScrollPerItem doesn't work well with hidden items
setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
connect( verticalScrollBar(), SIGNAL(valueChanged(int)),
SLOT(updateCurrentPage()) );
setAttribute(Qt::WA_MacShowFocusRect, 0);
setAcceptDrops(true);
connectModelAndDelegate();
}
ClipboardBrowser::~ClipboardBrowser()
{
d.invalidateCache();
if ( m_timerSave.isActive() )
saveItems();
}
void ClipboardBrowser::closeExternalEditor(QObject *editor)
{
editor->disconnect(this);
disconnect(editor);
editor->deleteLater();
}
bool ClipboardBrowser::isFiltered(int row) const
{
if ( d.searchExpression().isEmpty() || !m_itemLoader)
return false;
const QModelIndex ind = m.index(row);
return m_sharedData->itemFactory && !m_sharedData->itemFactory->matches( ind, d.searchExpression() );
}
bool ClipboardBrowser::hideFiltered(int row)
{
d.setRowVisible(row, false); // show in preload()
bool hide = isFiltered(row);
setRowHidden(row, hide);
return hide;
}
bool ClipboardBrowser::startEditor(QObject *editor, bool changeClipboard)
{
connect( editor, SIGNAL(fileModified(QByteArray,QString)),
this, SLOT(itemModified(QByteArray,QString)) );
if (changeClipboard) {
connect( editor, SIGNAL(fileModified(QByteArray,QString)),
this, SLOT(onEditorNeedsChangeClipboard(QByteArray,QString)) );
}
connect( editor, SIGNAL(closed(QObject*)),
this, SLOT(closeExternalEditor(QObject*)) );
connect( editor, SIGNAL(error(QString)),
this, SIGNAL(error(QString)) );
bool retVal = false;
bool result = QMetaObject::invokeMethod( editor, "start", Qt::DirectConnection,
Q_RETURN_ARG(bool, retVal) );
if (!retVal || !result) {
closeExternalEditor(editor);
return false;
}
return true;
}
void ClipboardBrowser::preload(int minY, int maxY)
{
ClipboardBrowser::Lock lock(this);
QModelIndex ind;
int i = 0;
int y = spacing();
const int s = 2 * spacing();
int offset = verticalOffset();
// Find first index to preload.
forever {
ind = index(i);
if ( !ind.isValid() )
return;
if ( !isIndexHidden(ind) ) {
const int h = d.sizeHint(ind).height();
y += h; // bottom of item
if (y >= offset)
break;
y += s; // top of next item
}
d.setRowVisible(i, false);
++i;
}
// Absolute to relative.
y -= offset;
bool update = false;
// Preload items backwards.
forever {
const int lastIndex = i;
for ( ind = index(--i); ind.isValid() && isIndexHidden(ind); ind = index(--i) ) {}
if ( !ind.isValid() ) {
i = lastIndex;
ind = index(i);
break;
}
const QRect oldRect(visualRect(ind));
// Fetch item.
d.cache(ind);
const int h = d.sizeHint(ind).height();
// Re-layout rows afterwards if size has changed.
const int dy = h - oldRect.height();
if (dy != 0) {
maxY += dy;
update = true;
}
// Done?
y -= h; // top of item
if (y + h < minY)
break;
y -= s; // bottom of previous item
}
y = visualRect(ind).y();
bool lastToPreload = false;
// Render visible items, re-layout rows and correct scroll offset.
forever {
if (m_lastFiltered != -1 && m_lastFiltered < i)
break;
const QRect oldRect(update ? QRect() : visualRect(ind));
// Fetch item.
d.cache(ind);
const int h = d.sizeHint(ind).height();
// Re-layout rows afterwards if row position or size has changed.
if (!update)
update = (y != oldRect.y() || h != oldRect.height());
// Correct widget position.
d.updateRowPosition(i, y);
d.setRowVisible(i, true);
// Next.
ind = index(++i);
// Done?
y += h + s; // top of item
if (y > maxY) {
if (lastToPreload)
break;
lastToPreload = true; // One more item to preload.
}
// Skip hidden.
for ( ; ind.isValid() && isIndexHidden(ind); ind = index(++i) ) {}
if ( !ind.isValid() )
break;
}
// Hide the rest.
for ( ; i < m.rowCount(); ++i )
d.setRowVisible(i, false);
if (update)
scheduleDelayedItemsLayout();
}
void ClipboardBrowser::setEditorWidget(ItemEditorWidget *editor, bool changeClipboard)
{
bool active = editor != NULL;
if (m_editor != editor) {
m_editor = editor;
if (active) {
connect( editor, SIGNAL(destroyed()),
this, SLOT(onEditorDestroyed()) );
connect( editor, SIGNAL(save()),
this, SLOT(onEditorSave()) );
if (changeClipboard) {
connect( editor, SIGNAL(save()),
this, SLOT(onEditorNeedsChangeClipboard()) );
}
connect( editor, SIGNAL(cancel()),
this, SLOT(onEditorCancel()) );
connect( editor, SIGNAL(invalidate()),
editor, SLOT(deleteLater()) );
updateEditorGeometry();
editor->show();
editor->setFocus();
stopExpiring();
} else {
setFocus();
if (isHidden())
restartExpiring();
if (m_invalidateCache)
invalidateItemCache();
if (m_expireAfterEditing)
expire();
}
}
setFocusProxy(m_editor);
setAcceptDrops(!active);
// Hide scrollbars while editing.
Qt::ScrollBarPolicy scrollbarPolicy = Qt::ScrollBarAlwaysOff;
if (!active) {
scrollbarPolicy = AppConfig(AppConfig::ThemeCategory).isOptionOn("show_scrollbars", true)
? Qt::ScrollBarAsNeeded : Qt::ScrollBarAlwaysOff;
}
setVerticalScrollBarPolicy(scrollbarPolicy);
setHorizontalScrollBarPolicy(scrollbarPolicy);
emit updateContextMenu();
}
void ClipboardBrowser::editItem(const QModelIndex &index, bool editNotes, bool changeClipboard)
{
if (!index.isValid())
return;
ItemEditorWidget *editor = d.createCustomEditor(this, index, editNotes);
if (editor != NULL) {
if ( editor->isValid() )
setEditorWidget(editor, changeClipboard);
else
delete editor;
}
}
void ClipboardBrowser::updateEditorGeometry()
{
if ( editing() ) {
const QRect contents = viewport()->contentsRect();
const QMargins margins = contentsMargins();
m_editor->setGeometry( contents.translated(margins.left(), margins.top()) );
}
}
bool ClipboardBrowser::canExpire()
{
return m_itemLoader && m_timerExpire.interval() > 0 && !isVisible();
}
void ClipboardBrowser::restartExpiring()
{
if (canExpire())
m_timerExpire.start();
else
m_timerExpire.stop();
}
void ClipboardBrowser::stopExpiring()
{
m_timerExpire.stop();
}
void ClipboardBrowser::updateCurrentItem()
{
const QModelIndex current = currentIndex();
if ( current.isValid() && d.hasCache(current) ) {
ItemWidget *item = d.cache(current);
item->setCurrent(false);
item->setCurrent( hasFocus() );
}
}
QModelIndex ClipboardBrowser::indexNear(int offset) const
{
return ::indexNear(this, offset);
}
void ClipboardBrowser::updateSearchProgress()
{
if ( !d.searchExpression().isEmpty() && m_lastFiltered != -1 && m_lastFiltered < length() ) {
if (m_searchProgress == NULL) {
m_searchProgress = new QProgressBar(this);
}
m_searchProgress->setFormat( tr("Searching %p%...",
"Text in progress bar for searching/filtering items; %p is amount in percent") );
m_searchProgress->setRange(0, length());
m_searchProgress->setValue(m_lastFiltered);
const int margin = 8;
m_searchProgress->setGeometry( margin, height() - m_searchProgress->height() - margin,
viewport()->width() - 2 * margin, m_searchProgress->height() );
m_searchProgress->show();
} else {
delete m_searchProgress;
m_searchProgress = NULL;
}
}
int ClipboardBrowser::getDropRow(const QPoint &position)
{
const QModelIndex index = indexNear( position.y() );
return index.isValid() ? index.row() : length();
}
void ClipboardBrowser::connectModelAndDelegate()
{
Q_ASSERT(&m != model());
// set new model
QAbstractItemModel *oldModel = model();
setModel(&m);
delete oldModel;
// delegate for rendering and editing items
setItemDelegate(&d);
connect( &m, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
SLOT(onDataChanged(QModelIndex,QModelIndex)) );
connect( &m, SIGNAL(tabNameChanged(QString)),
SLOT(onTabNameChanged(QString)) );
connect( &m, SIGNAL(unloaded()),
SLOT(onModelUnloaded()) );
// update on change
connect( &m, SIGNAL(rowsInserted(QModelIndex, int, int)),
SLOT(onModelDataChanged()) );
connect( &m, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
SLOT(onModelDataChanged()) );
connect( &m, SIGNAL(rowsInserted(QModelIndex, int, int)),
SLOT(onItemCountChanged()) );
connect( &m, SIGNAL(rowsRemoved(QModelIndex,int,int)),
SLOT(onItemCountChanged()) );
connect( &m, SIGNAL(rowsAboutToBeMoved(QModelIndex, int, int, QModelIndex, int)),
SLOT(onModelDataChanged()) );
connect( &m, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
SLOT(onModelDataChanged()) );
connect( &d, SIGNAL(rowSizeChanged()),
SLOT(updateCurrentPage()) );
connect( &m, SIGNAL(rowsInserted(QModelIndex, int, int)),
&d, SLOT(rowsInserted(QModelIndex, int, int)) );
connect( &m, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
&d, SLOT(rowsRemoved(QModelIndex,int,int)) );
connect( &m, SIGNAL(rowsAboutToBeMoved(QModelIndex, int, int, QModelIndex, int)),
&d, SLOT(rowsMoved(QModelIndex, int, int, QModelIndex, int)) );
connect( &m, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
&d, SLOT(dataChanged(QModelIndex,QModelIndex)) );
updateCurrentPage();
}
void ClipboardBrowser::updateItemMaximumSize()
{
QSize minSize = viewport()->contentsRect().size();
if (verticalScrollBarPolicy() != Qt::ScrollBarAlwaysOff)
minSize -= QSize(verticalScrollBar()->width(), 0);
d.setItemSizes(m_sharedData->textWrap ? minSize : QSize(2048, 2048), minSize.width());
scheduleDelayedItemsLayout();
}
void ClipboardBrowser::lock()
{
++m_spinLock;
if (m_spinLock == 1) {
m_scrollSaver.reset(new ScrollSaver(this));
m_scrollSaver->save();
setUpdatesEnabled(false);
}
}
void ClipboardBrowser::unlock()
{
Q_ASSERT(m_spinLock > 0);
if (m_spinLock == 1) {
setUpdatesEnabled(true);
updateCurrentPage();
m_scrollSaver->restore();
if (m_spinLock == 1)
m_scrollSaver.reset(NULL);
}
--m_spinLock;
}
void ClipboardBrowser::refilterItems()
{
if ( !isLoaded() )
return;
bool showAll = d.searchExpression().isEmpty();
// Hide the rest until found.
for ( int row = 0; row < length(); ++row ) {
d.setRowVisible(row, showAll);
setRowHidden(row, !showAll);
}
m_lastFiltered = -1;
filterItems();
// Select row by number specified in search.
bool rowSpecified;
int selectedRow = d.searchExpression().pattern().toInt(&rowSpecified);
if (rowSpecified && selectedRow >= 0 && selectedRow < length()) {
d.setRowVisible(selectedRow, false); // Show in preload().
setRowHidden(selectedRow, false);
setCurrentIndex( index(selectedRow) );
}
scrollTo(currentIndex());
}
bool ClipboardBrowser::hasUserSelection() const
{
return isActiveWindow() || editing() || selectionModel()->selectedRows().count() > 1;
}
QVariantMap ClipboardBrowser::copyIndexes(const QModelIndexList &indexes, bool serializeItems) const
{
QByteArray bytes;
QDataStream stream(&bytes, QIODevice::WriteOnly);
QByteArray text;
QByteArray uriList;
QVariantMap data;
for ( int i = 0; i < indexes.size(); ++i ) {
const QModelIndex ind = indexes.at(i);
if ( isIndexHidden(ind) )
continue;
const QVariantMap copiedItemData =
m_itemLoader ? m_itemLoader->copyItem(m, itemData(ind)) : itemData(ind);
if (serializeItems)
stream << copiedItemData;
if (indexes.size() == 1) {
data = copiedItemData;
} else {
appendTextData(copiedItemData, mimeText, &text);
appendTextData(copiedItemData, mimeUriList, &uriList);
}
}
if (serializeItems)
data.insert(mimeItems, bytes);
if (indexes.size() > 1) {
if ( !text.isNull() )
data.insert(mimeText, text);
if ( !uriList.isNull() )
data.insert(mimeUriList, uriList);
}
return data;
}
int ClipboardBrowser::removeIndexes(const QModelIndexList &indexes)
{
if ( indexes.isEmpty() )
return -1;
Q_ASSERT(m_itemLoader);
m_itemLoader->itemsRemovedByUser(indexes);
QList<int> rows;
rows.reserve( indexes.size() );
foreach (const QModelIndex &index, indexes) {
if ( index.isValid() )
rows.append( index.row() );
}
qSort( rows.begin(), rows.end(), qGreater<int>() );
ClipboardBrowser::Lock lock(this);
foreach (int row, rows) {
if ( !isRowHidden(row) )
m.removeRow(row);
}
return rows.last();
}
void ClipboardBrowser::paste(const QVariantMap &data, int destinationRow)
{
ClipboardBrowser::Lock lock(this);
int count = 0;
// Insert items from clipboard or just clipboard content.
if ( data.contains(mimeItems) ) {
const QByteArray bytes = data[mimeItems].toByteArray();
QDataStream stream(bytes);
while ( !stream.atEnd() ) {
QVariantMap dataMap;
stream >> dataMap;
add(dataMap, destinationRow + count);
++count;
}
} else {
add(data, destinationRow);
count = 1;
}
// Select new items.
if (count > 0) {
QItemSelection sel;
QModelIndex first = index(destinationRow);
QModelIndex last = index(destinationRow + count - 1);
sel.select(first, last);
setCurrentIndex(first);
selectionModel()->select(sel, QItemSelectionModel::ClearAndSelect);
}
saveItems();
}
QPixmap ClipboardBrowser::renderItemPreview(const QModelIndexList &indexes, int maxWidth, int maxHeight)
{
int h = 0;
const int s = spacing();
foreach (const QModelIndex &index, indexes) {
if ( !isIndexHidden(index) )
h += visualRect(index).height() + s;
}
if (h == 0)
return QPixmap();
const QRect rect(0, 0, qMin(maxWidth, viewport()->contentsRect().width()), qMin(maxHeight, h) );
QPixmap pix( rect.size() );
pix.fill(Qt::transparent);
QPainter p(&pix);
h = 0;
const QPoint pos = viewport()->pos() - QPoint(s / 2 + 1, s / 2 + 1);
foreach (const QModelIndex &index, indexes) {
if ( isIndexHidden(index) )
continue;
render( &p, QPoint(0, h), visualRect(index).translated(pos).adjusted(0, 0, s, s) );
h += visualRect(index).height() + s;
if ( h > rect.height() )
break;
}
p.setPen(Qt::black);
p.setBrush(Qt::NoBrush);
p.drawRect( 0, 0, rect.width() - 1, rect.height() - 1 );
p.setPen(Qt::white);
p.drawRect( 1, 1, rect.width() - 3, rect.height() - 3 );
return pix;
}
void ClipboardBrowser::onModelDataChanged()
{
delayedSaveItems();
updateCurrentPage();
}
void ClipboardBrowser::onDataChanged(const QModelIndex &a, const QModelIndex &b)
{
if (editing()) {
m_invalidateCache = true;
return;
}
bool updateMenu = false;
const QModelIndexList selected = selectedIndexes();
// Refilter items.
for (int i = a.row(); i <= b.row(); ++i) {
hideFiltered(i);
if ( !updateMenu && selected.contains(index(i)) )
updateMenu = true;
}
if (updateMenu)
emit updateContextMenu();
}
void ClipboardBrowser::onItemCountChanged()
{
if (isLoaded())
emit itemCountChanged( tabName(), length() );
}
void ClipboardBrowser::onTabNameChanged(const QString &tabName)
{
if ( m_tabName.isEmpty() ) {
m_tabName = tabName;
return;
}
// Just move last saved file if tab is not loaded yet.
if ( isLoaded() && saveItemsWithOther(m, m_itemLoader, m_sharedData->itemFactory) ) {
m_timerSave.stop();
removeItems(m_tabName);
} else {
moveItems(m_tabName, tabName);
}
m_tabName = tabName;
}
void ClipboardBrowser::updateCurrentPage()
{
if ( !m_timerUpdate.isActive() )
m_timerUpdate.start();
}
void ClipboardBrowser::doUpdateCurrentPage()
{
if ( !updatesEnabled() ) {
m_timerUpdate.start();
return;
}
if ( !isLoaded() )
return;
if ( !isVisible() )
return; // Update on showEvent().
restartExpiring();
const int h = viewport()->contentsRect().height();
preload(-h, h);
updateCurrentItem();
m_timerUpdate.stop();
}
void ClipboardBrowser::expire()
{
if (editing()) {
m_expireAfterEditing = true;
} else {
m_expireAfterEditing = false;
saveUnsavedItems();
m.unloadItems();
if ( isVisible() )
loadItems();
}
}
void ClipboardBrowser::onEditorDestroyed()
{
setEditorWidget(NULL);
// Set the focus back on the browser
setFocus();
}
void ClipboardBrowser::onEditorSave()
{
Q_ASSERT(m_editor != NULL);
m_editor->commitData(&m);
saveItems();
}
void ClipboardBrowser::onEditorCancel()
{
maybeCloseEditor();
}
void ClipboardBrowser::onModelUnloaded()
{
m_itemLoader = NULL;
}
void ClipboardBrowser::onEditorNeedsChangeClipboard()
{
QModelIndex index = m_editor->index();
if (index.isValid())
emit changeClipboard(itemData(index));
}
void ClipboardBrowser::onEditorNeedsChangeClipboard(const QByteArray &bytes, const QString &mime)
{
emit changeClipboard(createDataMap(mime, bytes));
}
void ClipboardBrowser::filterItems()
{
m_timerFilter.stop();
if ( d.searchExpression().isEmpty() )
return;
// row to select
QModelIndex current = currentIndex();
int first = current.isValid() && d.searchExpression().isEmpty() ? current.row() : -1;
{
ClipboardBrowser::Lock lock(this);
// batch search
QElapsedTimer t;
t.start();
for ( ++m_lastFiltered ; m_lastFiltered < length(); ++m_lastFiltered ) {
if ( isRowHidden(m_lastFiltered) && !hideFiltered(m_lastFiltered) && first == -1 )
first = m_lastFiltered;
if ( t.elapsed() > 25 ) {
m_timerFilter.start();
break;
}
}
if ( m_lastFiltered >= length() )
m_lastFiltered = -1;
}
// Select row specified by search or first visible.
if (!currentIndex().isValid() || sender() != &m_timerFilter)
setCurrentIndex( index(first) );
updateSearchProgress();
updateCurrentPage();
}
void ClipboardBrowser::contextMenuEvent(QContextMenuEvent *event)
{
if ( editing() || selectedIndexes().isEmpty() )
return;
QPoint pos = event->globalPos();
// WORKAROUND: Fix menu position if text wrapping is disabled and
// item is too wide, event gives incorrect position on X axis.
if (!m_sharedData->textWrap) {
int menuMaxX = mapToGlobal( QPoint(width(), 0) ).x();
if (pos.x() > menuMaxX)
pos.setX(menuMaxX - width() / 2);
}
emit showContextMenu(pos);
}
void ClipboardBrowser::resizeEvent(QResizeEvent *event)
{
QListView::resizeEvent(event);
Lock updateGeometryLock(this);
updateItemMaximumSize();
if (m_loadButton != NULL)
m_loadButton->resize( event->size() );
updateSearchProgress();
updateEditorGeometry();
}
void ClipboardBrowser::showEvent(QShowEvent *event)
{
stopExpiring();
loadItems();
if (!currentIndex().isValid())
setCurrent(0);
if ( m.rowCount() > 0 && !d.hasCache(index(0)) )
scrollToTop();