diff options
Diffstat (limited to 'src/views/selectiontoggle.cpp')
| -rw-r--r-- | src/views/selectiontoggle.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/views/selectiontoggle.cpp b/src/views/selectiontoggle.cpp deleted file mode 100644 index d602600c5..000000000 --- a/src/views/selectiontoggle.cpp +++ /dev/null @@ -1,241 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2008 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 "selectiontoggle.h" - -#include <KGlobalSettings> -#include <KIcon> -#include <KIconLoader> -#include <KIconEffect> -#include <KLocale> - -#include <QApplication> -#include <QPainter> -#include <QPaintEvent> -#include <QRect> -#include <QTimer> -#include <QTimeLine> - -#include <KDebug> - -SelectionToggle::SelectionToggle(QWidget* parent) : - QAbstractButton(parent), - m_isHovered(false), - m_leftMouseButtonPressed(false), - m_fadingValue(0), - m_margin(0), - m_icon(), - m_fadingTimeLine(0) -{ - setFocusPolicy(Qt::NoFocus); - parent->installEventFilter(this); - resize(sizeHint()); - setIconOverlay(isChecked()); - connect(this, SIGNAL(toggled(bool)), - this, SLOT(setIconOverlay(bool))); - connect(KGlobalSettings::self(), SIGNAL(iconChanged(int)), - this, SLOT(refreshIcon())); -} - -SelectionToggle::~SelectionToggle() -{ -} - -QSize SelectionToggle::sizeHint() const -{ - return QSize(16, 16); -} - -void SelectionToggle::reset() -{ - m_url = KUrl(); - hide(); -} - -void SelectionToggle::setUrl(const KUrl& url) -{ - m_url = url; - if (!url.isEmpty()) { - startFading(); - } -} - -void SelectionToggle::setMargin(int margin) -{ - if (margin != m_margin) { - m_margin = margin; - update(); - } -} - -int SelectionToggle::margin() const -{ - return m_margin; -} - -KUrl SelectionToggle::url() const -{ - return m_url; -} - -void SelectionToggle::setVisible(bool visible) -{ - QAbstractButton::setVisible(visible); - - stopFading(); - if (visible) { - startFading(); - } - -} - -bool SelectionToggle::eventFilter(QObject* obj, QEvent* event) -{ - if ((obj == parent()) && (event->type() == QEvent::MouseMove) && m_leftMouseButtonPressed) { - // Don't forward mouse move events to the viewport, - // otherwise a rubberband selection will be shown when - // clicking on the selection toggle and moving the mouse - // above the viewport. - return true; - } - - return QAbstractButton::eventFilter(obj, event); -} - -void SelectionToggle::enterEvent(QEvent* event) -{ - QAbstractButton::enterEvent(event); - - // if the mouse cursor is above the selection toggle, display - // it immediately without fading timer - m_isHovered = true; - if (m_fadingTimeLine) { - m_fadingTimeLine->stop(); - } - m_fadingValue = 255; - setToolTip(isChecked() ? i18nc("@info:tooltip", "Deselect Item") : - i18nc("@info:tooltip", "Select Item")); - update(); -} - -void SelectionToggle::leaveEvent(QEvent* event) -{ - QAbstractButton::leaveEvent(event); - - m_isHovered = false; - update(); -} - -void SelectionToggle::mousePressEvent(QMouseEvent* event) -{ - QAbstractButton::mousePressEvent(event); - m_leftMouseButtonPressed = (event->buttons() & Qt::LeftButton); -} - -void SelectionToggle::mouseReleaseEvent(QMouseEvent* event) -{ - QAbstractButton::mouseReleaseEvent(event); - m_leftMouseButtonPressed = (event->buttons() & Qt::LeftButton); -} - -void SelectionToggle::resizeEvent(QResizeEvent* event) -{ - QAbstractButton::resizeEvent(event); - setIconOverlay(isChecked()); -} - -void SelectionToggle::paintEvent(QPaintEvent* event) -{ - QPainter painter(this); - painter.setClipRect(event->rect()); - - // draw the icon overlay - const QPoint pos(m_margin, m_margin); - if (m_isHovered) { - KIconEffect *iconEffect = KIconLoader::global()->iconEffect(); - QPixmap activeIcon = iconEffect->apply(m_icon, KIconLoader::Desktop, KIconLoader::ActiveState); - painter.drawPixmap(pos, activeIcon); - } else { - if (m_fadingValue < 255) { - // apply an alpha mask respecting the fading value to the icon - QPixmap icon = m_icon; - QPixmap alphaMask(icon.width(), icon.height()); - const QColor color(m_fadingValue, m_fadingValue, m_fadingValue); - alphaMask.fill(color); - icon.setAlphaChannel(alphaMask); - painter.drawPixmap(pos, icon); - } else { - // no fading is required - painter.drawPixmap(pos, m_icon); - } - } - -} - -void SelectionToggle::setFadingValue(int value) -{ - m_fadingValue = value; - if (m_fadingValue >= 255) { - Q_ASSERT(m_fadingTimeLine); - m_fadingTimeLine->stop(); - } - update(); -} - -void SelectionToggle::setIconOverlay(bool checked) -{ - const char* icon = checked ? "list-remove" : "list-add"; - const int size = qMin(width() - 2 * m_margin, height() - 2 * m_margin); - m_icon = KIconLoader::global()->loadIcon(icon, - KIconLoader::NoGroup, - size); - update(); -} - -void SelectionToggle::refreshIcon() -{ - setIconOverlay(isChecked()); -} - -void SelectionToggle::startFading() -{ - Q_ASSERT(!m_fadingTimeLine); - - const bool animate = KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects; - const int duration = animate ? 600 : 1; - - m_fadingTimeLine = new QTimeLine(duration, this); - connect(m_fadingTimeLine, SIGNAL(frameChanged(int)), - this, SLOT(setFadingValue(int))); - m_fadingTimeLine->setFrameRange(0, 255); - m_fadingTimeLine->start(); - m_fadingValue = 0; -} - -void SelectionToggle::stopFading() -{ - if (m_fadingTimeLine) { - m_fadingTimeLine->stop(); - delete m_fadingTimeLine; - m_fadingTimeLine = 0; - } - m_fadingValue = 0; -} - -#include "selectiontoggle.moc" |