/***************************************************************************
-* 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) 2005-2010 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#include "chatview.h"
+#include "columnhandleitem.h"
+
+#include <QApplication>
#include <QCursor>
-#include <QGraphicsScene>
+#include <QGraphicsSceneHoverEvent>
#include <QPainter>
+#include <QPalette>
-#include <QDebug>
+ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent)
+ : QGraphicsObject(parent),
+ _width(w),
+ _boundingRect(-_width/2, 0, _width, 0),
+ _moving(false),
+ _offset(0),
+ _minXPos(0),
+ _maxXPos(0),
+ _opacity(0),
+ _animation(new QPropertyAnimation(this, "opacity", this))
+{
-#include "columnhandleitem.h"
-
-ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent) : QGraphicsItem(parent) {
- _width = w;
+ setAcceptsHoverEvents(true);
setZValue(10);
setCursor(QCursor(Qt::OpenHandCursor));
- setFlag(ItemIsMovable);
+
+ _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)));
}
void ColumnHandleItem::setXPos(qreal xpos) {
- setPos(xpos - width()/2, (qreal)0);
+ setPos(xpos, 0);
+ QRectF sceneBRect = _boundingRect.translated(x(), 0);
+ _sceneLeft = sceneBRect.left();
+ _sceneRight = sceneBRect.right();
+}
+
+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())
- prepareGeometryChange();
+ prepareGeometryChange();
+ _boundingRect = QRectF(-_width/2, rect.y(), _width, rect.height());
}
-void ColumnHandleItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+void ColumnHandleItem::setOpacity(qreal opacity) {
+ _opacity = opacity;
+ update();
+}
- QGraphicsItem::mouseMoveEvent(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::mousePressEvent(QGraphicsSceneMouseEvent *event) { qDebug() << "pressed!";
- setCursor(QCursor(Qt::ClosedHandCursor));
- QGraphicsItem::mousePressEvent(event);
+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::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- setCursor(QCursor(Qt::OpenHandCursor));
- QGraphicsItem::mouseReleaseEvent(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::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
+ Q_UNUSED(event);
+
+ _animation->setDirection(QPropertyAnimation::Forward);
+ _animation->start();
+}
+
+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);
- painter->drawRect(boundingRect());
-
-
+ 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