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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-10 00:18:25 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-10 00:18:25 +0000
commitf21e5792b5084f5d008bf46f6316030c6dfb31e5 (patch)
treed51583b36aa1672bac78d98a682cdc330df27e4d /src/kiconcanvas.cpp
downloadbasket-f21e5792b5084f5d008bf46f6316030c6dfb31e5.tar.gz
basket-f21e5792b5084f5d008bf46f6316030c6dfb31e5.zip
Add author-abandoned basket application
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/basket@1072339 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* vi: ts=8 sts=4 sw=4
+ * kate: space-indent on; indent-width 4; mixedindent off; indent-mode cstyle;
+ *
+ * This file is part of the KDE project, module kfile.
+ * Copyright (C) 2006 Luke Sandell <lasandell@gmail.com>
+ * (C) 2002 Carsten Pfeiffer <pfeiffer@kde.org>
+ * (C) 2000 Geert Jansen <jansen@kde.org>
+ * (C) 2000 Kurt Granroth <granroth@kde.org>
+ * (C) 1997 Christoph Neerfeld <chris@kde.org>
+ *
+ * This is free software; it comes under the GNU Library General
+ * Public License, version 2. See the file "COPYING.LIB" for the
+ * exact licensing terms.
+ */
+
+#include "kiconcanvas.h"
+#include "kicondialog.h"
+
+#include <config.h>
+
+#include <kiconviewsearchline.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kstandarddirs.h>
+#include <kiconloader.h>
+#include <kimagefilepreview.h>
+#include <kurldrag.h>
+#include <kmultipledrag.h>
+
+#include <qsortedlist.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qtimer.h>
+#include <qfileinfo.h>
+#include <qdragobject.h>
+#include <cmath>
+#include <math.h>
+#include <algorithm>
+
+#ifdef HAVE_LIBART
+#include <svgicons/ksvgiconengine.h>
+#include <svgicons/ksvgiconpainter.h>
+#endif
+
+class KIconCanvasItem : public QIconViewItem
+{
+ public:
+ KIconCanvasItem ( QIconView * parent, const QString & key, const QPixmap & pixmap )
+ : QIconViewItem(parent)
+ {
+ setText(QFileInfo(key).baseName());
+ setKey(key);
+ setPixmap(pixmap);
+ setDragEnabled(true);
+ setDropEnabled(false);
+
+ }
+
+ int compare(QIconViewItem *rhs) const
+ {
+ return QString::localeAwareCompare(text().lower(), rhs->text().lower());
+ }
+};
+
+class KIconCanvas::KIconCanvasPrivate
+{
+ public:
+ KIconCanvasPrivate()
+ {
+ m_bLoading = false;
+ mSize = 0;
+ }
+ ~KIconCanvasPrivate()
+ {
+ }
+ bool m_bLoading;
+ QString mSetCurrent;
+ int mSize;
+#ifdef HAVE_LIBART
+ KSvgIconEngine mSvgEngine;
+#endif
+ bool mStrictIconSize;
+};
+
+/*
+ * KIconCanvas: Iconview for the iconloader dialog.
+ */
+
+KIconCanvas::KIconCanvas(QWidget *parent, const char *name)
+ : KIconView(parent, name)
+{
+ d = new KIconCanvasPrivate;
+ mpLoader = KGlobal::iconLoader();
+ mpTimer = new QTimer(this);
+ connect(mpTimer, SIGNAL(timeout()), SLOT(slotLoadFiles()));
+ connect(this, SIGNAL(currentChanged(QIconViewItem *)),
+ SLOT(slotCurrentChanged(QIconViewItem *)));
+ setAcceptDrops(false);
+ setShowToolTips(true);
+ setStrictIconSize(false);
+}
+
+KIconCanvas::~KIconCanvas()
+{
+ delete mpTimer;
+ delete d;
+}
+
+void KIconCanvas::setIconLoader(KIconLoader *loader)
+{
+ mpLoader = loader;
+}
+
+void KIconCanvas::loadIcon(const QString &name)
+{
+ QImage img;
+ QString path = mpLoader->iconPath(name,-d->mSize);
+ // Use the extension as the format. Works for XPM and PNG, but not for SVG
+ QString ext = path.right(3).upper();
+ int maxSize = std::min(d->mSize, 60);
+
+ if (ext != "SVG" && ext != "VGZ")
+ img.load(path);
+#ifdef HAVE_LIBART
+ else
+ if (d->mSvgEngine.load(maxSize, maxSize, path))
+ img = *d->mSvgEngine.painter()->image();
+#endif
+
+ if (img.isNull())
+ return;
+
+ // For non-KDE icons
+ if (d->mStrictIconSize && (img.width() != d->mSize || img.height() != d->mSize))
+ return;
+
+ if (img.width() > maxSize || img.height() > maxSize)
+ {
+ if (img.width() > img.height()) {
+ int height = (int) ((float(maxSize) / img.width()) * img.height());
+ img = img.smoothScale(maxSize, height);
+ } else {
+ int width = (int) ((float(maxSize) / img.height()) * img.width());
+ img = img.smoothScale(width, maxSize);
+ }
+ }
+ QPixmap pm;
+ pm.convertFromImage(img);
+
+ (void) new KIconCanvasItem(this, name, pm);
+}
+
+void KIconCanvas::loadFiles(const QStringList& files)
+{
+ clear();
+ mFiles = files;
+ emit startLoading(mFiles.count());
+ mpTimer->start(10, true); // #86680
+ d->m_bLoading = false;
+}
+
+void KIconCanvas::slotLoadFiles()
+{
+ setResizeMode(Fixed);
+ QApplication::setOverrideCursor(waitCursor);
+
+ // disable updates to not trigger paint events when adding child items
+ setUpdatesEnabled( false );
+
+ d->m_bLoading = true;
+ int count;
+ QStringList::ConstIterator it;
+ QStringList::ConstIterator end(mFiles.end());
+ for (it=mFiles.begin(), count=0; it!=end; ++it, count++)
+ {
+ loadIcon(*it);
+
+ // Calling kapp->processEvents() makes the iconview flicker like hell
+ // (it's being repainted once for every new item), so we don't do this.
+ // Instead, we directly repaint the progress bar without going through
+ // the event-loop. We do that just once for every 10th item so that
+ // the progress bar doesn't flicker in turn. (pfeiffer)
+ // FIXME: Qt4 will have double buffering
+ if ( count % 10 == 0) {
+ emit progress(count);
+ }
+ if ( !d->m_bLoading ) // user clicked on a button that will load another set of icons
+ break;
+ }
+
+ // enable updates since we have to draw the whole view now
+ sort();
+ d->m_bLoading = false;
+ setUpdatesEnabled( true );
+ QApplication::restoreOverrideCursor();
+ emit finished();
+ setResizeMode(Adjust);
+}
+
+QString KIconCanvas::getCurrent() const
+{
+ return currentItem() ? currentItem()->key() : QString::null;
+}
+
+void KIconCanvas::stopLoading()
+{
+ d->m_bLoading = false;
+}
+
+void KIconCanvas::slotCurrentChanged(QIconViewItem *item)
+{
+ emit nameChanged((item != 0L) ? item->text() : QString::null);
+}
+
+void KIconCanvas::setGroupOrSize( int groupOrSize )
+{
+ d->mSize = ((int)groupOrSize >= 0) ?
+ mpLoader->currentSize((KIcon::Group)groupOrSize) :
+ -groupOrSize;
+}
+
+void KIconCanvas::setStrictIconSize( bool strictIconSize )
+{
+ d->mStrictIconSize = strictIconSize;
+}
+
+QDragObject *KIconCanvas::dragObject()
+{
+ // We use QImageDrag rather than KURLDrag so that the user can't drag an icon out of the theme!
+ // TODO: support SVG?
+ QPixmap *pixmap = currentItem()->pixmap();
+ QPoint pos = viewportToContents( viewport()->mapFromGlobal( QCursor::pos() ) );
+ QPoint hot;
+ hot.setX(pos.x() - currentItem()->pos().x() - (currentItem()->width() - pixmap->width()) / 2);
+ hot.setY(pos.y() - currentItem()->pos().y() - (currentItem()->height() - pixmap->height()) / 2);
+ QImageDrag *drag = new QImageDrag( pixmap->convertToImage(), this );
+ drag->setPixmap(*pixmap, hot);
+ return drag;
+}
+
+#include "kiconcanvas.moc"