/***************************************************************************
-* Copyright (C) 2005-08 by the Quassel IRC Team *
-* devel@quassel-irc.org *
-* *
-* 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) version 3. *
-* *
-* 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., *
-* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
-***************************************************************************/
+ * Copyright (C) 2005-2013 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * 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) version 3. *
+ * *
+ * 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 "chatview.h"
+#include "columnhandleitem.h"
+#include <QApplication>
#include <QCursor>
-#include <QGraphicsScene>
#include <QGraphicsSceneHoverEvent>
#include <QPainter>
-
-#include <QDebug>
-
-#include "columnhandleitem.h"
+#include <QPalette>
ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent)
- : QGraphicsItem(parent),
+ : QGraphicsObject(parent),
_width(w),
- _hover(0),
- _timeLine(150)
+ _boundingRect(-_width/2, 0, _width, 0),
+ _moving(false),
+ _offset(0),
+ _minXPos(0),
+ _maxXPos(0),
+ _opacity(0),
+ _animation(new QPropertyAnimation(this, "opacity", this))
{
- setAcceptsHoverEvents(true);
- setZValue(10);
- setCursor(QCursor(Qt::OpenHandCursor));
- setFlag(ItemIsMovable);
+ setAcceptsHoverEvents(true);
+ setZValue(10);
+ setCursor(QCursor(Qt::OpenHandCursor));
+
+ _animation->setStartValue(0);
+ _animation->setEndValue(1);
+ _animation->setDirection(QPropertyAnimation::Forward);
+ _animation->setDuration(350);
+ _animation->setEasingCurve(QEasingCurve::InOutSine);
+
+ //connect(&_timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(hoverChanged(qreal)));
+}
- connect(&_timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(hoverChanged(qreal)));
+
+void ColumnHandleItem::setXPos(qreal xpos)
+{
+ setPos(xpos, 0);
+ QRectF sceneBRect = _boundingRect.translated(x(), 0);
+ _sceneLeft = sceneBRect.left();
+ _sceneRight = sceneBRect.right();
}
-void ColumnHandleItem::setXPos(qreal xpos) {
- setPos(xpos - width()/2, (qreal)0);
+
+void ColumnHandleItem::setXLimits(qreal min, qreal max)
+{
+ _minXPos = min;
+ _maxXPos = max;
+ //if(x() < min) setPos(min, 0);
+ //else if(x() > max) setPos(max - width(), 0);
}
-void ColumnHandleItem::sceneRectChanged(const QRectF &rect) {
- if(rect.height() != boundingRect().height())
+
+void ColumnHandleItem::sceneRectChanged(const QRectF &rect)
+{
prepareGeometryChange();
+ _boundingRect = QRectF(-_width/2, rect.y(), _width, rect.height());
}
-void ColumnHandleItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
- QGraphicsItem::mouseMoveEvent(event);
-}
-void ColumnHandleItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { qDebug() << "pressed!";
- setCursor(QCursor(Qt::ClosedHandCursor));
- QGraphicsItem::mousePressEvent(event);
+void ColumnHandleItem::setOpacity(qreal opacity)
+{
+ _opacity = opacity;
+ update();
}
-void ColumnHandleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- setCursor(QCursor(Qt::OpenHandCursor));
- QGraphicsItem::mouseReleaseEvent(event);
+
+void ColumnHandleItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (event->buttons() & Qt::LeftButton && _moving) {
+ qreal newx = event->scenePos().x() - _offset;
+ if (newx < _minXPos)
+ newx = _minXPos;
+ else if (newx + width() > _maxXPos)
+ newx = _maxXPos - width();
+ setPos(newx, 0);
+ event->accept();
+ }
+ else {
+ event->ignore();
+ }
}
-void ColumnHandleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option);
- Q_UNUSED(widget);
- QLinearGradient gradient(0, 0, width(), 0);
- gradient.setColorAt(0.25, Qt::transparent);
- gradient.setColorAt(0.5, QColor(0, 0, 0, _hover * 200));
- gradient.setColorAt(0.75, Qt::transparent);
- painter->fillRect(boundingRect(), gradient);
+void ColumnHandleItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (event->buttons() & Qt::LeftButton) {
+ QApplication::setOverrideCursor(Qt::ClosedHandCursor);
+ _moving = true;
+ _offset = event->pos().x();
+ event->accept();
+ }
+ else {
+ event->ignore();
+ }
}
-void ColumnHandleItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
- Q_UNUSED(event);
- _timeLine.setDirection(QTimeLine::Forward);
- if(_timeLine.state() != QTimeLine::Running)
- _timeLine.start();
+void ColumnHandleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (_moving) {
+ _moving = false;
+ QRectF sceneBRect = _boundingRect.translated(x(), 0);
+ _sceneLeft = sceneBRect.left();
+ _sceneRight = sceneBRect.right();
+ emit positionChanged(x());
+ QApplication::restoreOverrideCursor();
+ event->accept();
+ }
+ else {
+ event->ignore();
+ }
}
-void ColumnHandleItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
- Q_UNUSED(event);
- _timeLine.setDirection(QTimeLine::Backward);
- if(_timeLine.state() != QTimeLine::Running)
- _timeLine.start();
+void ColumnHandleItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+ Q_UNUSED(event);
+
+ _animation->setDirection(QPropertyAnimation::Forward);
+ _animation->start();
}
-void ColumnHandleItem::hoverChanged(qreal value) {
- _hover = value;
- update();
+
+void ColumnHandleItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+ Q_UNUSED(event);
+
+ _animation->setDirection(QPropertyAnimation::Backward);
+ _animation->start();
}
+
+void ColumnHandleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+
+ QLinearGradient gradient(boundingRect().topLeft(), boundingRect().topRight());
+ QColor color = QApplication::palette().windowText().color();
+ color.setAlphaF(_opacity);
+ gradient.setColorAt(0, Qt::transparent);
+ gradient.setColorAt(0.45, color);
+ gradient.setColorAt(0.55, color);
+ gradient.setColorAt(1, Qt::transparent);
+ painter->fillRect(boundingRect(), gradient);
+}
projects / quassel.git / blobdiff