X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fcolumnhandleitem.cpp;h=3db4053212f21066e077b2825c21acb08899dd1a;hp=16cec89dbf1ce34b292d686ee59ff02df05b21d8;hb=b1d9c3ea56467245c910ac1de1252c2a91c234f0;hpb=39e2a78383295f86c5aa2dadbeac6f02b53eb7a4 diff --git a/src/qtui/columnhandleitem.cpp b/src/qtui/columnhandleitem.cpp index 16cec89d..3db40532 100644 --- a/src/qtui/columnhandleitem.cpp +++ b/src/qtui/columnhandleitem.cpp @@ -1,47 +1,144 @@ /*************************************************************************** -* 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. * -***************************************************************************/ - -#include -#include + * 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" -ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent) : QGraphicsItem(parent) { - _width = w; +#include +#include +#include +#include +#include + +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)) +{ + 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))); } 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::setOpacity(qreal opacity) { + _opacity = opacity; + update(); +} + +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) { + 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) { + 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); }