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/***************************************************************************
* Copyright (C) 2006 by Peter Penz *
* [email protected] *
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "itemeffectsmanager.h"
#include <kiconeffect.h>
#include <kapplication.h>
#include <qobjectlist.h>
#include <kglobalsettings.h>
#include <qclipboard.h>
#include <kurldrag.h>
#include <klocale.h>
#include "dolphin.h"
#include "dolphinstatusbar.h"
ItemEffectsManager::ItemEffectsManager()
{
m_pixmapCopy = new QPixmap();
}
ItemEffectsManager::~ItemEffectsManager()
{
delete m_pixmapCopy;
m_pixmapCopy = 0;
m_highlightedURL = 0;
}
void ItemEffectsManager::zoomIn()
{
Dolphin::mainWin().refreshViews();
}
void ItemEffectsManager::zoomOut()
{
Dolphin::mainWin().refreshViews();
}
void ItemEffectsManager::activateItem(void* context)
{
KFileItem* fileInfo = contextFileInfo(context);
const KURL itemURL(fileInfo->url());
if (m_highlightedURL == itemURL) {
// the item is already highlighted
return;
}
resetActivatedItem();
const QPixmap* itemPixmap = contextPixmap(context);
if (itemPixmap != 0) {
// remember the pixmap and item to be able to
// restore it to the old state later
*m_pixmapCopy = *itemPixmap;
m_highlightedURL = itemURL;
// apply an icon effect to the item below the mouse pointer
KIconEffect iconEffect;
QPixmap pixmap = iconEffect.apply(*itemPixmap,
KIcon::Desktop,
KIcon::ActiveState);
setContextPixmap(context, pixmap);
}
if (!Dolphin::mainWin().activeView()->hasSelection()) {
DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
statusBar->setMessage(statusBarText(fileInfo), DolphinStatusBar::Default);
}
}
void ItemEffectsManager::resetActivatedItem()
{
if (m_highlightedURL.isEmpty()) {
return;
}
for (void* context = firstContext(); context != 0; context = nextContext(context)) {
KURL itemURL(contextFileInfo(context)->url());
if (itemURL == m_highlightedURL) {
// the highlighted item has been found and is restored to the default state
KIconEffect iconEffect;
QPixmap pixmap = iconEffect.apply(*m_pixmapCopy,
KIcon::Desktop,
KIcon::DefaultState);
// TODO: KFileIconView does not emit any signal when the preview has been finished.
// Hence check the size to prevent that a preview is hidden by restoring a
// non-preview pixmap.
const QPixmap* highlightedPixmap = contextPixmap(context);
const bool restore = (pixmap.width() == highlightedPixmap->width()) &&
(pixmap.height() == highlightedPixmap->height());
if (restore) {
setContextPixmap(context, pixmap);
}
break;
}
}
m_highlightedURL = 0;
DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
statusBar->clear();
}
void ItemEffectsManager::updateDisabledItems()
{
if (!m_disabledItems.isEmpty()) {
// restore all disabled items with their original pixmap
for (void* context = firstContext(); context != 0; context = nextContext(context)) {
const KFileItem* fileInfo = contextFileInfo(context);
const KURL& fileURL = fileInfo->url();
QValueListIterator<DisabledItem> it = m_disabledItems.begin();
while (it != m_disabledItems.end()) {
if (fileURL == (*it).url) {
setContextPixmap(context, (*it).pixmap);
}
++it;
}
}
m_disabledItems.clear();
}
if (!Dolphin::mainWin().clipboardContainsCutData()) {
return;
}
QClipboard* clipboard = QApplication::clipboard();
QMimeSource* data = clipboard->data();
if (!KURLDrag::canDecode(data)) {
return;
}
// The clipboard contains items, which have been cutted. Change the pixmaps of all those
// items to the disabled state.
KURL::List urls;
KURLDrag::decode(data, urls);
for (void* context = firstContext(); context != 0; context = nextContext(context)) {
const KFileItem* fileInfo = contextFileInfo(context);
const KURL& fileURL = fileInfo->url();
for(KURL::List::ConstIterator it = urls.begin(); it != urls.end(); ++it) {
if (fileURL == (*it)) {
const QPixmap* itemPixmap = contextPixmap(context);
if (itemPixmap != 0) {
// remember old pixmap
DisabledItem disabledItem;
disabledItem.url = fileURL;
disabledItem.pixmap = *itemPixmap;
m_disabledItems.append(disabledItem);
KIconEffect iconEffect;
QPixmap disabledPixmap = iconEffect.apply(*itemPixmap,
KIcon::Desktop,
KIcon::DisabledState);
setContextPixmap(context, disabledPixmap);
}
break;
}
}
}
}
QString ItemEffectsManager::statusBarText(KFileItem* fileInfo) const
{
if (fileInfo->isDir()) {
// KFileItem::getStatusBar() returns "MyDocuments/ Folder" as
// status bar text for a folder 'MyDocuments'. This is adjusted
// to "MyDocuments (Folder)" in Dolphin.
return i18n("%1 (Folder)").arg(fileInfo->name());
}
return fileInfo->getStatusBarInfo();
}
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