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190 lines
7.0 KiB
190 lines
7.0 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2006 by Peter Penz *
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* peter.penz@gmx.at *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include "itemeffectsmanager.h"
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#include <kiconeffect.h>
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#include <kapplication.h>
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#include <qobjectlist.h>
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#include <kglobalsettings.h>
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#include <qclipboard.h>
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#include <kurldrag.h>
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#include <klocale.h>
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#include "dolphin.h"
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#include "dolphinstatusbar.h"
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ItemEffectsManager::ItemEffectsManager()
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{
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m_pixmapCopy = new QPixmap();
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}
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ItemEffectsManager::~ItemEffectsManager()
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{
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delete m_pixmapCopy;
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m_pixmapCopy = 0;
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m_highlightedURL = 0;
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}
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void ItemEffectsManager::zoomIn()
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{
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Dolphin::mainWin().refreshViews();
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}
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void ItemEffectsManager::zoomOut()
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{
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Dolphin::mainWin().refreshViews();
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}
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void ItemEffectsManager::activateItem(void* context)
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{
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KFileItem* fileInfo = contextFileInfo(context);
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const KURL itemURL(fileInfo->url());
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if (m_highlightedURL == itemURL) {
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// the item is already highlighted
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return;
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}
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resetActivatedItem();
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const QPixmap* itemPixmap = contextPixmap(context);
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if (itemPixmap != 0) {
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// remember the pixmap and item to be able to
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// restore it to the old state later
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*m_pixmapCopy = *itemPixmap;
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m_highlightedURL = itemURL;
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// apply an icon effect to the item below the mouse pointer
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KIconEffect iconEffect;
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QPixmap pixmap = iconEffect.apply(*itemPixmap,
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KIcon::Desktop,
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KIcon::ActiveState);
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setContextPixmap(context, pixmap);
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}
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if (!Dolphin::mainWin().activeView()->hasSelection()) {
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DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
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statusBar->setMessage(statusBarText(fileInfo), DolphinStatusBar::Default);
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}
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}
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void ItemEffectsManager::resetActivatedItem()
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{
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if (m_highlightedURL.isEmpty()) {
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return;
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}
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for (void* context = firstContext(); context != 0; context = nextContext(context)) {
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KURL itemURL(contextFileInfo(context)->url());
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if (itemURL == m_highlightedURL) {
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// the highlighted item has been found and is restored to the default state
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KIconEffect iconEffect;
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QPixmap pixmap = iconEffect.apply(*m_pixmapCopy,
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KIcon::Desktop,
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KIcon::DefaultState);
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// TODO: KFileIconView does not emit any signal when the preview has been finished.
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// Hence check the size to prevent that a preview is hidden by restoring a
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// non-preview pixmap.
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const QPixmap* highlightedPixmap = contextPixmap(context);
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const bool restore = (pixmap.width() == highlightedPixmap->width()) &&
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(pixmap.height() == highlightedPixmap->height());
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if (restore) {
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setContextPixmap(context, pixmap);
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}
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break;
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}
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}
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m_highlightedURL = 0;
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DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
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statusBar->clear();
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}
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void ItemEffectsManager::updateDisabledItems()
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{
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if (!m_disabledItems.isEmpty()) {
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// restore all disabled items with their original pixmap
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for (void* context = firstContext(); context != 0; context = nextContext(context)) {
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const KFileItem* fileInfo = contextFileInfo(context);
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const KURL& fileURL = fileInfo->url();
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QValueListIterator<DisabledItem> it = m_disabledItems.begin();
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while (it != m_disabledItems.end()) {
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if (fileURL == (*it).url) {
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setContextPixmap(context, (*it).pixmap);
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}
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++it;
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}
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}
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m_disabledItems.clear();
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}
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if (!Dolphin::mainWin().clipboardContainsCutData()) {
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return;
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}
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QClipboard* clipboard = QApplication::clipboard();
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QMimeSource* data = clipboard->data();
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if (!KURLDrag::canDecode(data)) {
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return;
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}
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// The clipboard contains items, which have been cutted. Change the pixmaps of all those
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// items to the disabled state.
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KURL::List urls;
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KURLDrag::decode(data, urls);
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for (void* context = firstContext(); context != 0; context = nextContext(context)) {
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const KFileItem* fileInfo = contextFileInfo(context);
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const KURL& fileURL = fileInfo->url();
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for(KURL::List::ConstIterator it = urls.begin(); it != urls.end(); ++it) {
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if (fileURL == (*it)) {
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const QPixmap* itemPixmap = contextPixmap(context);
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if (itemPixmap != 0) {
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// remember old pixmap
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DisabledItem disabledItem;
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disabledItem.url = fileURL;
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disabledItem.pixmap = *itemPixmap;
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m_disabledItems.append(disabledItem);
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KIconEffect iconEffect;
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QPixmap disabledPixmap = iconEffect.apply(*itemPixmap,
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KIcon::Desktop,
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KIcon::DisabledState);
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setContextPixmap(context, disabledPixmap);
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}
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break;
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}
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}
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}
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}
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QString ItemEffectsManager::statusBarText(KFileItem* fileInfo) const
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{
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if (fileInfo->isDir()) {
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// KFileItem::getStatusBar() returns "MyDocuments/ Folder" as
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// status bar text for a folder 'MyDocuments'. This is adjusted
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// to "MyDocuments (Folder)" in Dolphin.
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return i18n("%1 (Folder)").arg(fileInfo->name());
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}
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return fileInfo->getStatusBarInfo();
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}
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