1033 lines
35 KiB
C++
1033 lines
35 KiB
C++
/*
|
|
* Copyright 2007 by Kevin Ottens <ervin@kde.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Library General Public License as
|
|
* published by the Free Software Foundation; either version 2, 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 Library 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 "private/applethandle_p.h"
|
|
|
|
#include <QApplication>
|
|
#include <QBitmap>
|
|
#include <QtGui/QGraphicsSceneMouseEvent>
|
|
#include <QtGui/QLinearGradient>
|
|
#include <QtGui/QPainter>
|
|
#include <QtGui/QApplication>
|
|
#include <QtGui/QMenu>
|
|
#include <QTouchEvent>
|
|
|
|
#include <kcolorscheme.h>
|
|
#include <kglobalsettings.h>
|
|
#include <kicon.h>
|
|
#include <kiconloader.h>
|
|
#include <kwindowsystem.h>
|
|
|
|
#include <cmath>
|
|
#include <math.h>
|
|
|
|
#include "applet.h"
|
|
#include "applet_p.h"
|
|
#include "containment.h"
|
|
#include "corona.h"
|
|
#include "paintutils.h"
|
|
#include "theme.h"
|
|
#include "view.h"
|
|
#include "framesvg.h"
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
qreal _k_distanceForPoint(QPointF point);
|
|
qreal _k_pointAngle(QPointF in);
|
|
QPointF _k_rotatePoint(QPointF in, qreal rotateAngle);
|
|
|
|
AppletHandle::AppletHandle(Containment *parent, Applet *applet, const QPointF &hoverPos)
|
|
: QGraphicsObject(applet),
|
|
m_pressedButton(NoButton),
|
|
m_containment(parent),
|
|
m_applet(applet),
|
|
m_iconSize(KIconLoader::SizeSmall),
|
|
m_opacity(0.0),
|
|
m_anim(FadeIn),
|
|
m_animId(0),
|
|
m_angle(0.0),
|
|
m_backgroundBuffer(0),
|
|
m_currentView(applet->view()),
|
|
m_entryPos(hoverPos),
|
|
m_buttonsOnRight(false),
|
|
m_pendingFade(false)
|
|
{
|
|
setFlags(flags() | QGraphicsItem::ItemStacksBehindParent);
|
|
KColorScheme colorScheme(QPalette::Active, KColorScheme::View,
|
|
Theme::defaultTheme()->colorScheme());
|
|
setAcceptTouchEvents(true);
|
|
m_gradientColor = colorScheme.background(KColorScheme::NormalBackground).color();
|
|
m_originalGeom = m_applet->geometry();
|
|
m_originalTransform = m_applet->transform();
|
|
|
|
m_hoverTimer = new QTimer(this);
|
|
m_hoverTimer->setSingleShot(true);
|
|
m_hoverTimer->setInterval(333);
|
|
|
|
m_leaveTimer = new QTimer(this);
|
|
m_leaveTimer->setSingleShot(true);
|
|
m_leaveTimer->setInterval(500);
|
|
|
|
connect(m_hoverTimer, SIGNAL(timeout()), this, SLOT(hoverTimeout()));
|
|
connect(m_leaveTimer, SIGNAL(timeout()), this, SLOT(leaveTimeout()));
|
|
connect(m_applet, SIGNAL(appletDestroyed(Plasma::Applet*)), this, SLOT(appletDestroyed()));
|
|
|
|
setAcceptsHoverEvents(true);
|
|
m_hoverTimer->start();
|
|
|
|
//icons
|
|
m_configureIcons = new Svg(this);
|
|
m_configureIcons->setImagePath("widgets/configuration-icons");
|
|
m_configureIcons->setContainsMultipleImages(true);
|
|
|
|
m_background = new FrameSvg(this);
|
|
m_background->setImagePath("widgets/background");
|
|
m_applet->installSceneEventFilter(this);
|
|
}
|
|
|
|
AppletHandle::~AppletHandle()
|
|
{
|
|
detachApplet();
|
|
delete m_backgroundBuffer;
|
|
}
|
|
|
|
Applet *AppletHandle::applet() const
|
|
{
|
|
return m_applet;
|
|
}
|
|
|
|
void AppletHandle::detachApplet()
|
|
{
|
|
if (!m_applet) {
|
|
return;
|
|
}
|
|
|
|
disconnect(m_hoverTimer, SIGNAL(timeout()), this, SLOT(hoverTimeout()));
|
|
disconnect(m_leaveTimer, SIGNAL(timeout()), this, SLOT(leaveTimeout()));
|
|
m_applet->disconnect(this);
|
|
|
|
if (m_applet->geometry() != m_originalGeom || m_applet->transform() != m_originalTransform) {
|
|
emit m_applet->appletTransformedByUser();
|
|
}
|
|
|
|
m_applet = 0;
|
|
}
|
|
|
|
QRectF Plasma::AppletHandle::boundingRect() const
|
|
{
|
|
return m_totalRect;
|
|
}
|
|
|
|
QPainterPath AppletHandle::shape() const
|
|
{
|
|
//when the containment changes the applet is reset to 0
|
|
if (m_applet) {
|
|
QPainterPath path = PaintUtils::roundedRectangle(m_decorationRect, 10);
|
|
return path.united(m_applet->shape());
|
|
} else {
|
|
return QGraphicsItem::shape();
|
|
}
|
|
}
|
|
|
|
QPainterPath handleRect(const QRectF &rect, int radius, bool onRight)
|
|
{
|
|
QPainterPath path;
|
|
if (onRight) {
|
|
// make the left side straight
|
|
path.moveTo(rect.left(), rect.top()); // Top left
|
|
path.lineTo(rect.right() - radius, rect.top()); // Top side
|
|
path.quadTo(rect.right(), rect.top(),
|
|
rect.right(), rect.top() + radius); // Top right corner
|
|
path.lineTo(rect.right(), rect.bottom() - radius); // Right side
|
|
path.quadTo(rect.right(), rect.bottom(),
|
|
rect.right() - radius, rect.bottom()); // Bottom right corner
|
|
path.lineTo(rect.left(), rect.bottom()); // Bottom side
|
|
} else {
|
|
// make the right side straight
|
|
path.moveTo(QPointF(rect.left(), rect.top() + radius));
|
|
path.quadTo(rect.left(), rect.top(),
|
|
rect.left() + radius, rect.top()); // Top left corner
|
|
path.lineTo(rect.right(), rect.top()); // Top side
|
|
path.lineTo(rect.right(), rect.bottom()); // Right side
|
|
path.lineTo(rect.left() + radius, rect.bottom()); // Bottom side
|
|
path.quadTo(rect.left(), rect.bottom(),
|
|
rect.left(), rect.bottom() - radius); // Bottom left corner
|
|
}
|
|
|
|
path.closeSubpath();
|
|
return path;
|
|
}
|
|
|
|
void AppletHandle::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
Q_UNUSED(option);
|
|
Q_UNUSED(widget);
|
|
|
|
//kDebug() << m_opacity << m_anim << FadeOut;
|
|
if (qFuzzyCompare(m_opacity + 1.0, 1.0)) {
|
|
if (m_anim == FadeOut) {
|
|
//kDebug() << "WOOOOOOOOO";
|
|
QTimer::singleShot(0, this, SLOT(emitDisappear()));
|
|
}
|
|
return;
|
|
}
|
|
|
|
qreal translation;
|
|
|
|
if (m_buttonsOnRight) {
|
|
//kDebug() << "translating by" << m_opacity
|
|
// << (-(1 - m_opacity) * m_rect.width()) << m_rect.width();
|
|
translation = -(1 - m_opacity) * m_rect.width();
|
|
} else {
|
|
translation = (1 - m_opacity) * m_rect.width();
|
|
}
|
|
|
|
painter->translate(translation, 0);
|
|
|
|
painter->setPen(Qt::NoPen);
|
|
painter->setRenderHints(QPainter::Antialiasing);
|
|
|
|
int iconMargin = m_iconSize / 2;
|
|
|
|
const QSize pixmapSize(int(m_decorationRect.width()),
|
|
int(m_decorationRect.height()) + m_iconSize * 5 + 1);
|
|
const QSize iconSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall);
|
|
|
|
//regenerate our buffer?
|
|
if (m_animId > 0 || !m_backgroundBuffer || m_backgroundBuffer->size() != pixmapSize) {
|
|
QColor transparencyColor = Qt::black;
|
|
transparencyColor.setAlphaF(qMin(m_opacity, qreal(0.99)));
|
|
|
|
QLinearGradient g(QPoint(0, 0), QPoint(m_decorationRect.width(), 0));
|
|
//fading out panel
|
|
if (m_rect.height() > qreal(minimumHeight()) * 1.25) {
|
|
if (m_buttonsOnRight) {
|
|
qreal opaquePoint =
|
|
(m_background->marginSize(LeftMargin) - translation) / m_decorationRect.width();
|
|
//kDebug() << "opaquePoint" << opaquePoint
|
|
// << m_background->marginSize(LeftMargin) << m_decorationRect.width();
|
|
g.setColorAt(0.0, Qt::transparent);
|
|
g.setColorAt(qMax(0.0, opaquePoint - 0.05), Qt::transparent);
|
|
g.setColorAt(opaquePoint, transparencyColor);
|
|
g.setColorAt(1.0, transparencyColor);
|
|
} else {
|
|
qreal opaquePoint =
|
|
1 - ((m_background->marginSize(RightMargin) + translation) / m_decorationRect.width());
|
|
g.setColorAt(1.0, Qt::transparent);
|
|
g.setColorAt(opaquePoint + 0.05, Qt::transparent);
|
|
g.setColorAt(qMax(0.0, opaquePoint), transparencyColor);
|
|
g.setColorAt(0.0, transparencyColor);
|
|
}
|
|
//complete panel
|
|
} else {
|
|
g.setColorAt(0.0, transparencyColor);
|
|
}
|
|
|
|
m_background->resizeFrame(m_decorationRect.size());
|
|
|
|
if (!m_backgroundBuffer || m_backgroundBuffer->size() != pixmapSize) {
|
|
delete m_backgroundBuffer;
|
|
m_backgroundBuffer = new QPixmap(pixmapSize);
|
|
}
|
|
m_backgroundBuffer->fill(Qt::transparent);
|
|
QPainter buffPainter(m_backgroundBuffer);
|
|
|
|
m_background->paintFrame(&buffPainter);
|
|
|
|
//+1 because otherwise due to rounding errors when rotated could appear one pixel
|
|
//of the icon at the border of the applet
|
|
//QRectF iconRect(QPointF(pixmapSize.width() - m_iconSize + 1, m_iconSize), iconSize);
|
|
QRectF iconRect(QPointF(0, m_decorationRect.height() + 1), iconSize);
|
|
if (m_buttonsOnRight) {
|
|
iconRect.moveLeft(
|
|
pixmapSize.width() - m_iconSize - m_background->marginSize(LeftMargin));
|
|
m_configureIcons->paint(&buffPainter, iconRect, "size-diagonal-tr2bl");
|
|
} else {
|
|
iconRect.moveLeft(m_background->marginSize(RightMargin));
|
|
m_configureIcons->paint(&buffPainter, iconRect, "size-diagonal-tl2br");
|
|
}
|
|
|
|
iconRect.translate(0, m_iconSize);
|
|
m_configureIcons->paint(&buffPainter, iconRect, "rotate");
|
|
|
|
if (m_applet && m_applet->hasConfigurationInterface()) {
|
|
iconRect.translate(0, m_iconSize);
|
|
m_configureIcons->paint(&buffPainter, iconRect, "configure");
|
|
}
|
|
|
|
if (m_applet && m_applet->hasValidAssociatedApplication()) {
|
|
iconRect.translate(0, m_iconSize);
|
|
m_configureIcons->paint(&buffPainter, iconRect, "maximize");
|
|
}
|
|
|
|
iconRect.translate(0, m_iconSize);
|
|
m_configureIcons->paint(&buffPainter, iconRect, "close");
|
|
|
|
buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
|
|
//blend the background
|
|
buffPainter.fillRect(m_backgroundBuffer->rect(), g);
|
|
//blend the icons
|
|
//buffPainter.fillRect(QRect(QPoint((int)m_decorationRect.width(), 0), QSize(m_iconSize + 1,
|
|
// (int)m_decorationRect.height())), transparencyColor);
|
|
}
|
|
|
|
painter->drawPixmap(m_decorationRect.toRect(), *m_backgroundBuffer,
|
|
QRect(QPoint(0, 0), m_decorationRect.size().toSize()));
|
|
|
|
//XXX this code is duplicated in the next function
|
|
QPointF basePoint = m_rect.topLeft() + QPointF(HANDLE_MARGIN, iconMargin);
|
|
QPointF step = QPointF(0, m_iconSize + iconMargin);
|
|
QPointF separator = step + QPointF(0, iconMargin);
|
|
//end duplicate code
|
|
|
|
QPointF shiftC;
|
|
QPointF shiftD;
|
|
QPointF shiftR;
|
|
QPointF shiftM;
|
|
QPointF shiftMx;
|
|
|
|
switch(m_pressedButton)
|
|
{
|
|
case ConfigureButton:
|
|
shiftC = QPointF(2, 2);
|
|
break;
|
|
case RemoveButton:
|
|
shiftD = QPointF(2, 2);
|
|
break;
|
|
case RotateButton:
|
|
shiftR = QPointF(2, 2);
|
|
break;
|
|
case ResizeButton:
|
|
shiftM = QPointF(2, 2);
|
|
break;
|
|
case MaximizeButton:
|
|
shiftMx = QPointF(2, 2);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
QRectF sourceIconRect(QPointF(0, m_decorationRect.height() + 1), iconSize);
|
|
if (m_buttonsOnRight) {
|
|
sourceIconRect.moveLeft(
|
|
pixmapSize.width() - m_iconSize - m_background->marginSize(LeftMargin));
|
|
} else {
|
|
sourceIconRect.moveLeft(m_background->marginSize(RightMargin));
|
|
}
|
|
|
|
if (m_applet && m_applet->aspectRatioMode() != FixedSize) {
|
|
//resize
|
|
painter->drawPixmap(
|
|
QRectF(basePoint + shiftM, iconSize), *m_backgroundBuffer, sourceIconRect);
|
|
basePoint += step;
|
|
}
|
|
|
|
//rotate
|
|
sourceIconRect.translate(0, m_iconSize);
|
|
painter->drawPixmap(QRectF(basePoint + shiftR, iconSize), *m_backgroundBuffer, sourceIconRect);
|
|
|
|
//configure
|
|
if (m_applet && m_applet->hasConfigurationInterface()) {
|
|
basePoint += step;
|
|
sourceIconRect.translate(0, m_iconSize);
|
|
painter->drawPixmap(
|
|
QRectF(basePoint + shiftC, iconSize), *m_backgroundBuffer, sourceIconRect);
|
|
}
|
|
|
|
//maximize
|
|
if (m_applet && m_applet->hasValidAssociatedApplication()) {
|
|
basePoint += step;
|
|
sourceIconRect.translate(0, m_iconSize);
|
|
painter->drawPixmap(
|
|
QRectF(basePoint + shiftMx, iconSize), *m_backgroundBuffer, sourceIconRect);
|
|
}
|
|
|
|
//close
|
|
basePoint = m_rect.bottomLeft() + QPointF(HANDLE_MARGIN, 0) - step;
|
|
sourceIconRect.translate(0, m_iconSize);
|
|
painter->drawPixmap(QRectF(basePoint + shiftD, iconSize), *m_backgroundBuffer, sourceIconRect);
|
|
}
|
|
|
|
void AppletHandle::emitDisappear()
|
|
{
|
|
emit disappearDone(this);
|
|
}
|
|
|
|
AppletHandle::ButtonType AppletHandle::mapToButton(const QPointF &point) const
|
|
{
|
|
int iconMargin = m_iconSize / 2;
|
|
//XXX this code is duplicated in the prev. function
|
|
QPointF basePoint = m_rect.topLeft() + QPointF(HANDLE_MARGIN, iconMargin);
|
|
QPointF step = QPointF(0, m_iconSize + iconMargin);
|
|
QPointF separator = step + QPointF(0, iconMargin);
|
|
//end duplicate code
|
|
|
|
QRectF activeArea = QRectF(basePoint, QSizeF(m_iconSize, m_iconSize));
|
|
|
|
if (m_applet && m_applet->aspectRatioMode() != FixedSize) {
|
|
if (activeArea.contains(point)) {
|
|
return ResizeButton;
|
|
}
|
|
activeArea.translate(step);
|
|
}
|
|
|
|
if (activeArea.contains(point)) {
|
|
return RotateButton;
|
|
}
|
|
|
|
if (m_applet && m_applet->hasConfigurationInterface()) {
|
|
activeArea.translate(step);
|
|
if (activeArea.contains(point)) {
|
|
return ConfigureButton;
|
|
}
|
|
}
|
|
|
|
if (m_applet && m_applet->hasValidAssociatedApplication()) {
|
|
activeArea.translate(step);
|
|
if (activeArea.contains(point)) {
|
|
return MaximizeButton;
|
|
}
|
|
}
|
|
|
|
activeArea.moveTop(m_rect.bottom() - activeArea.height() - iconMargin);
|
|
if (activeArea.contains(point)) {
|
|
return RemoveButton;
|
|
}
|
|
|
|
return MoveButton;
|
|
//return m_applet->mapToParent(m_applet->shape()).contains(point) ? NoButton : MoveButton;
|
|
}
|
|
|
|
void AppletHandle::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
//containment recently switched?
|
|
if (!m_applet) {
|
|
QGraphicsItem::mousePressEvent(event);
|
|
return;
|
|
}
|
|
|
|
if (m_pendingFade) {
|
|
//m_pendingFade = false;
|
|
return;
|
|
}
|
|
|
|
if (event->button() == Qt::LeftButton) {
|
|
m_pressedButton = mapToButton(event->pos());
|
|
//kDebug() << "button pressed:" << m_pressedButton;
|
|
if (m_pressedButton != NoButton) {
|
|
m_applet->raise();
|
|
m_zValue = m_applet->zValue();
|
|
setZValue(m_zValue);
|
|
}
|
|
|
|
if (m_pressedButton == ResizeButton || m_pressedButton == RotateButton) {
|
|
m_originalGeom = m_applet->geometry();
|
|
m_origAppletCenter = m_originalGeom.center();
|
|
m_origAppletSize = QPointF(m_applet->size().width(), m_applet->size().height());
|
|
|
|
// resize
|
|
if (m_buttonsOnRight) {
|
|
m_resizeStaticPoint = mapToScene(m_applet->geometry().bottomLeft());
|
|
} else {
|
|
m_resizeStaticPoint = mapToScene(m_applet->geometry().bottomRight());
|
|
}
|
|
m_resizeGrabPoint = event->scenePos();
|
|
|
|
// rotate
|
|
m_rotateAngleOffset = m_angle - _k_pointAngle(event->scenePos() - m_origAppletCenter);
|
|
}
|
|
|
|
event->accept();
|
|
|
|
//set mousePos to the position in the applet, in screencoords, so it becomes easy
|
|
//to reposition the toplevel view to the correct position.
|
|
if (m_currentView && m_applet) {
|
|
QPoint localpos = m_currentView->mapFromScene(m_applet->scenePos());
|
|
m_mousePos = event->screenPos() - m_currentView->mapToGlobal(localpos);
|
|
}
|
|
return;
|
|
}
|
|
|
|
QGraphicsItem::mousePressEvent(event);
|
|
}
|
|
|
|
bool AppletHandle::leaveCurrentView(const QPoint &pos) const
|
|
{
|
|
foreach (QWidget *widget, QApplication::topLevelWidgets()) {
|
|
if (widget->geometry().contains(pos)) {
|
|
//is this widget a plasma view, a different view then our current one,
|
|
//AND not a dashboardview?
|
|
Plasma::View *v = qobject_cast<Plasma::View *>(widget);
|
|
if (v && v != m_currentView && v->containment() != m_containment) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void AppletHandle::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
//kDebug() << "button pressed:" << m_pressedButton << ", fade pending?" << m_pendingFade;
|
|
|
|
if (m_pendingFade) {
|
|
startFading(FadeOut, m_entryPos);
|
|
m_pendingFade = false;
|
|
}
|
|
|
|
ButtonType releasedAtButton = mapToButton(event->pos());
|
|
|
|
if (m_applet && event->button() == Qt::LeftButton) {
|
|
switch (m_pressedButton) {
|
|
case ConfigureButton:
|
|
//FIXME: Remove this call once the configuration management change was done
|
|
if (m_pressedButton == releasedAtButton) {
|
|
m_applet->showConfigurationInterface();
|
|
}
|
|
break;
|
|
case RemoveButton:
|
|
if (m_pressedButton == releasedAtButton) {
|
|
forceDisappear();
|
|
m_applet->destroy();
|
|
}
|
|
break;
|
|
case MoveButton:
|
|
{
|
|
// test for containment change
|
|
//kDebug() << "testing for containment change, sceneBoundingRect = "
|
|
// << m_containment->sceneBoundingRect();
|
|
if (!m_containment->sceneBoundingRect().contains(m_applet->scenePos())) {
|
|
// see which containment it belongs to
|
|
Corona * corona = qobject_cast<Corona*>(scene());
|
|
if (corona) {
|
|
foreach (Containment *containment, corona->containments()) {
|
|
QPointF pos;
|
|
QGraphicsView *v = containment->view();
|
|
if (v) {
|
|
pos = v->mapToScene(v->mapFromGlobal(event->screenPos() - m_mousePos));
|
|
|
|
if (containment->sceneBoundingRect().contains(pos)) {
|
|
//kDebug() << "new containment = " << containments[i];
|
|
//kDebug() << "rect = " << containments[i]->sceneBoundingRect();
|
|
// add the applet to the new containment and take it from the old one
|
|
//kDebug() << "moving to other containment with position" << pos;;
|
|
switchContainment(containment, pos);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case MaximizeButton:
|
|
if (m_applet) {
|
|
m_applet->runAssociatedApplication();
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
m_pressedButton = NoButton;
|
|
update();
|
|
}
|
|
|
|
qreal _k_distanceForPoint(QPointF point)
|
|
{
|
|
return std::sqrt(point.x() * point.x() + point.y() * point.y());
|
|
}
|
|
|
|
qreal _k_pointAngle(QPointF in)
|
|
{
|
|
qreal r = sqrt(in.x()*in.x() + in.y()*in.y());
|
|
qreal cosine = in.x()/r;
|
|
qreal sine = in.y()/r;
|
|
|
|
if (sine >= 0) {
|
|
return acos(cosine);
|
|
} else {
|
|
return -acos(cosine);
|
|
}
|
|
}
|
|
|
|
QPointF _k_rotatePoint(QPointF in, qreal rotateAngle)
|
|
{
|
|
qreal r = sqrt(in.x()*in.x() + in.y()*in.y());
|
|
qreal cosine = in.x()/r;
|
|
qreal sine = in.y()/r;
|
|
|
|
qreal angle;
|
|
if (sine>=0) {
|
|
angle = acos(cosine);
|
|
} else {
|
|
angle = -acos(cosine);
|
|
}
|
|
|
|
qreal newAngle = angle + rotateAngle;
|
|
return QPointF(r*cos(newAngle), r*sin(newAngle));
|
|
}
|
|
|
|
void AppletHandle::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
static const qreal snapAngle = M_PI_2 /* $i 3.14159 / 2.0 */;
|
|
|
|
if (!m_applet) {
|
|
QGraphicsItem::mouseMoveEvent(event);
|
|
return;
|
|
}
|
|
|
|
//Track how much the mouse has moved.
|
|
QPointF deltaScene = event->scenePos() - event->lastScenePos();
|
|
|
|
if (m_pressedButton == MoveButton) {
|
|
if (leaveCurrentView(event->screenPos())) {
|
|
Plasma::View *v = Plasma::View::topLevelViewAt(event->screenPos());
|
|
if (v && v != m_currentView) {
|
|
Containment *c = v->containment();
|
|
if (c) {
|
|
QPoint pos = v->mapFromGlobal(event->screenPos());
|
|
//we actually have been dropped on another containment, so
|
|
//move there: we have a screenpos, we need a scenepos
|
|
//FIXME how reliable is this transform?
|
|
switchContainment(c, v->mapToScene(pos));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (m_applet) {
|
|
QPointF mappedPoint = transform().map(QPointF(deltaScene.x(), deltaScene.y()));
|
|
m_applet->moveBy(mappedPoint.x(), mappedPoint.y());
|
|
}
|
|
} else if (m_pressedButton == ResizeButton || m_pressedButton == RotateButton) {
|
|
QPointF cursorPoint = event->scenePos();
|
|
|
|
// the code below will adjust these based on the type of operation
|
|
QPointF newSize;
|
|
QPointF newCenter;
|
|
qreal newAngle;
|
|
|
|
// get size limits
|
|
QSizeF min = m_applet->minimumSize();
|
|
QSizeF max = m_applet->maximumSize();
|
|
|
|
if (min.isEmpty()) {
|
|
min = m_applet->effectiveSizeHint(Qt::MinimumSize);
|
|
}
|
|
|
|
if (max.isEmpty()) {
|
|
max = m_applet->effectiveSizeHint(Qt::MaximumSize);
|
|
}
|
|
|
|
// If the applet doesn't have a minimum size, calculate based on a
|
|
// minimum content area size of 16x16 (KIconLoader::SizeSmall)
|
|
if (min.isEmpty()) {
|
|
min = m_applet->boundingRect().size() - m_applet->contentsRect().size();
|
|
min = QSizeF(KIconLoader::SizeSmall, KIconLoader::SizeSmall);
|
|
}
|
|
|
|
if (m_pressedButton == RotateButton) {
|
|
newSize = m_origAppletSize;
|
|
newCenter = m_origAppletCenter;
|
|
|
|
QPointF centerRelativePoint = cursorPoint - m_origAppletCenter;
|
|
if (_k_distanceForPoint(centerRelativePoint) < 10) {
|
|
newAngle = m_angle;
|
|
} else {
|
|
qreal cursorAngle = _k_pointAngle(centerRelativePoint);
|
|
newAngle = m_rotateAngleOffset + cursorAngle;
|
|
if (fabs(remainder(newAngle, snapAngle)) < 0.15) {
|
|
newAngle = newAngle - remainder(newAngle, snapAngle);
|
|
}
|
|
}
|
|
} else {
|
|
// un-rotate screen points so we can read differences of coordinates
|
|
QPointF rStaticPoint = _k_rotatePoint(m_resizeStaticPoint, -m_angle);
|
|
QPointF rCursorPoint = _k_rotatePoint(cursorPoint, -m_angle);
|
|
QPointF rGrabPoint = _k_rotatePoint(m_resizeGrabPoint, -m_angle);
|
|
|
|
if (m_buttonsOnRight) {
|
|
newSize = m_origAppletSize + QPointF(rCursorPoint.x() - rGrabPoint.x(), rGrabPoint.y() - rCursorPoint.y());
|
|
} else {
|
|
newSize = m_origAppletSize + QPointF(rGrabPoint.x() - rCursorPoint.x(), rGrabPoint.y() - rCursorPoint.y());
|
|
}
|
|
|
|
// if preserving aspect ratio, project the calculated size point to the line
|
|
// theough the origin and the original size point
|
|
if ((m_applet->aspectRatioMode() != Plasma::IgnoreAspectRatio &&
|
|
!(event->modifiers() & Qt::ControlModifier)) ||
|
|
(m_applet->aspectRatioMode() == Plasma::IgnoreAspectRatio &&
|
|
(event->modifiers() & Qt::ControlModifier))) {
|
|
qreal ox = m_origAppletSize.x();
|
|
qreal oy = m_origAppletSize.y();
|
|
qreal sx = newSize.x();
|
|
qreal sy = newSize.y();
|
|
|
|
qreal x = ox*(sx*ox+sy*oy)/(ox*ox+oy*oy);
|
|
qreal y = (oy/ox)*x;
|
|
newSize = QPointF(x, y);
|
|
|
|
// limit size, preserve ratio
|
|
newSize.rx() = qMin(max.width(), qMax(min.width(), newSize.x()));
|
|
newSize.ry() = newSize.x()*(oy/ox);
|
|
newSize.ry() = qMin(max.height(), qMax(min.height(), newSize.y()));
|
|
newSize.rx() = newSize.y()/(oy/ox);
|
|
} else {
|
|
// limit size
|
|
newSize.rx() = qMin(max.width(), qMax(min.width(), newSize.x()));
|
|
newSize.ry() = qMin(max.height(), qMax(min.height(), newSize.y()));
|
|
}
|
|
|
|
if (m_buttonsOnRight) {
|
|
newCenter = (QPointF(m_originalGeom.size().width(), m_originalGeom.size().height())/2 - newSize/2);
|
|
newCenter = QPointF(0, newCenter.y()*2);
|
|
} else {
|
|
newCenter = (QPointF(m_originalGeom.size().width(), m_originalGeom.size().height())/2 - newSize/2)*2;
|
|
}
|
|
|
|
|
|
|
|
newAngle = m_angle;
|
|
}
|
|
|
|
if (m_pressedButton == ResizeButton) {
|
|
// set applet size
|
|
//kDebug() << newCenter << m_originalGeom.topLeft() << newSize;
|
|
QPointF newPos = m_originalGeom.topLeft() + _k_rotatePoint(newCenter, m_angle);
|
|
m_applet->setPos(newPos);
|
|
// m_applet->moveBy(newCenter.x(), newCenter.y());
|
|
m_applet->resize(newSize.x(), newSize.y());
|
|
} else {
|
|
// set applet handle rotation - rotate around center of applet
|
|
QRectF appletGeomLocal = m_originalGeom;
|
|
QTransform at;
|
|
at.translate(appletGeomLocal.width()/2, appletGeomLocal.height()/2);
|
|
at.rotateRadians(newAngle);
|
|
at.translate(-appletGeomLocal.width()/2, -appletGeomLocal.height()/2);
|
|
m_applet->setTransform(at);
|
|
}
|
|
|
|
m_angle = newAngle;
|
|
} else {
|
|
QGraphicsItem::mouseMoveEvent(event);
|
|
}
|
|
}
|
|
|
|
bool AppletHandle::sceneEvent(QEvent *event)
|
|
{
|
|
switch (event->type()) {
|
|
case QEvent::TouchBegin:
|
|
case QEvent::TouchUpdate:
|
|
case QEvent::TouchEnd:
|
|
{
|
|
QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints();
|
|
if (touchPoints.count() == 2) {
|
|
const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
|
|
const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
|
|
|
|
//rotation
|
|
QLineF line0(touchPoint0.lastScenePos(), touchPoint1.lastScenePos());
|
|
QLineF line1(touchPoint0.scenePos(), touchPoint1.scenePos());
|
|
//m_applet->setTransformOriginPoint(m_applet->boundingRect().center());
|
|
m_angle = m_applet->rotation()+line1.angleTo(line0);
|
|
//m_applet->setRotation(m_angle);
|
|
//m_applet->setTransformOriginPoint(QPointF(0,0));
|
|
QTransform t = m_applet->transform();
|
|
t.translate(m_applet->size().width()/2, m_applet->size().height()/2);
|
|
t.rotate(m_angle);
|
|
t.translate(-m_applet->size().width()/2, -m_applet->size().height()/2);
|
|
m_applet->setTransform(t);
|
|
|
|
|
|
//scaling
|
|
qreal scaleFactor = 1;
|
|
if (line0.length() > 0) {
|
|
scaleFactor = line1.length() / line0.length();
|
|
}
|
|
QRectF geom = m_applet->geometry();
|
|
QPointF oldCenter(geom.center());
|
|
geom.setWidth(geom.width()*scaleFactor);
|
|
geom.setHeight(geom.height()*scaleFactor);
|
|
geom.moveCenter(oldCenter);
|
|
m_applet->setGeometry(geom);
|
|
}
|
|
return true;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return QGraphicsItem::sceneEvent(event);
|
|
}
|
|
|
|
//pos relative to scene
|
|
void AppletHandle::switchContainment(Containment *containment, const QPointF &pos)
|
|
{
|
|
m_containment = containment;
|
|
Applet *applet = m_applet;
|
|
m_applet = 0; //make sure we don't try to act on the applet again
|
|
applet->removeSceneEventFilter(this);
|
|
forceDisappear(); //takes care of event filter and killing handle
|
|
applet->disconnect(this); //make sure the applet doesn't tell us to do anything
|
|
//applet->setZValue(m_zValue);
|
|
containment->addApplet(applet, containment->mapFromScene(pos), false);
|
|
update();
|
|
}
|
|
|
|
void AppletHandle::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
Q_UNUSED(event);
|
|
//kDebug() << "hover enter";
|
|
|
|
//if a disappear was scheduled stop the timer
|
|
if (m_leaveTimer->isActive()) {
|
|
m_leaveTimer->stop();
|
|
}
|
|
// if we're already fading out, fade back in
|
|
else if (m_animId != 0 && m_anim == FadeOut) {
|
|
startFading(FadeIn, m_entryPos, true);
|
|
}
|
|
}
|
|
|
|
void AppletHandle::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
hoverEnterEvent(event);
|
|
}
|
|
|
|
void AppletHandle::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
Q_UNUSED(event);
|
|
|
|
foreach (QWidget *widget, QApplication::topLevelWidgets()) {
|
|
QMenu *menu = qobject_cast<QMenu*>(widget);
|
|
if (menu && menu->isVisible()) {
|
|
connect(menu, SIGNAL(aboutToHide()), this, SLOT(leaveTimeout()));
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
// if we haven't even showed up yet, remove the handle
|
|
if (m_hoverTimer->isActive()) {
|
|
m_hoverTimer->stop();
|
|
QTimer::singleShot(0, this, SLOT(emitDisappear()));
|
|
} else if (m_pressedButton != NoButton) {
|
|
m_pendingFade = true;
|
|
} else {
|
|
//wait a moment to hide the handle in order to recheck the mouse position
|
|
m_leaveTimer->start();
|
|
}
|
|
}
|
|
|
|
bool AppletHandle::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
|
|
{
|
|
if (watched == m_applet && event->type() == QEvent::GraphicsSceneHoverLeave) {
|
|
hoverLeaveEvent(static_cast<QGraphicsSceneHoverEvent*>(event));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void AppletHandle::fadeAnimation(qreal progress)
|
|
{
|
|
//qreal endOpacity = (m_anim == FadeIn) ? 1.0 : -1.0;
|
|
if (m_anim == FadeIn) {
|
|
m_opacity = progress;
|
|
} else {
|
|
m_opacity = 1 - progress;
|
|
}
|
|
|
|
//kDebug() << "progress" << progress << "m_opacity" << m_opacity << m_anim << "(" << FadeIn << ")";
|
|
if (qFuzzyCompare(progress, qreal(1.0))) {
|
|
m_animId = 0;
|
|
delete m_backgroundBuffer;
|
|
m_backgroundBuffer = 0;
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void AppletHandle::hoverTimeout()
|
|
{
|
|
startFading(FadeIn, m_entryPos);
|
|
}
|
|
|
|
void AppletHandle::leaveTimeout()
|
|
{
|
|
if (!isUnderMouse()) {
|
|
startFading(FadeOut, m_entryPos);
|
|
}
|
|
}
|
|
|
|
void AppletHandle::appletDestroyed()
|
|
{
|
|
m_applet = 0;
|
|
}
|
|
|
|
void AppletHandle::appletResized()
|
|
{
|
|
prepareGeometryChange();
|
|
calculateSize();
|
|
update();
|
|
}
|
|
|
|
void AppletHandle::setHoverPos(const QPointF &hoverPos)
|
|
{
|
|
m_entryPos = hoverPos;
|
|
}
|
|
|
|
void AppletHandle::startFading(FadeType anim, const QPointF &hoverPos, bool preserveSide)
|
|
{
|
|
if (m_animId != 0) {
|
|
Animator::self()->stopCustomAnimation(m_animId);
|
|
}
|
|
|
|
m_entryPos = hoverPos;
|
|
qreal time = 100;
|
|
|
|
if (!m_applet) {
|
|
m_anim = FadeOut;
|
|
fadeAnimation(1.0);
|
|
return;
|
|
}
|
|
|
|
if (anim == FadeIn) {
|
|
//kDebug() << m_entryPos.x() << m_applet->pos().x();
|
|
prepareGeometryChange();
|
|
bool wasOnRight = m_buttonsOnRight;
|
|
if (!preserveSide) {
|
|
m_buttonsOnRight = m_entryPos.x() > (m_applet->size().width() / 2);
|
|
}
|
|
calculateSize();
|
|
QPolygonF region = m_applet->mapToParent(m_rect).intersected(m_applet->parentWidget()->boundingRect());
|
|
//kDebug() << region << m_rect << mapToParent(m_rect) << containmnet->boundingRect();
|
|
if (region != m_applet->mapToParent(m_rect)) {
|
|
// switch sides
|
|
//kDebug() << "switch sides";
|
|
m_buttonsOnRight = !m_buttonsOnRight;
|
|
calculateSize();
|
|
QPolygonF region2 = m_applet->mapToParent(m_rect).intersected(m_applet->parentWidget()->boundingRect());
|
|
if (region2 != mapToParent(m_rect)) {
|
|
// ok, both sides failed to be perfect... which one is more perfect?
|
|
QRectF f1 = region.boundingRect();
|
|
QRectF f2 = region2.boundingRect();
|
|
//kDebug() << "still not a perfect world"
|
|
// << f2.width() << f2.height() << f1.width() << f1.height();
|
|
if ((f2.width() * f2.height()) < (f1.width() * f1.height())) {
|
|
//kDebug() << "we did better the first time";
|
|
m_buttonsOnRight = !m_buttonsOnRight;
|
|
calculateSize();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (wasOnRight != m_buttonsOnRight &&
|
|
m_anim == FadeIn &&
|
|
anim == FadeIn &&
|
|
m_opacity <= 1) {
|
|
m_opacity = 0.0;
|
|
}
|
|
|
|
time *= 1.0 - m_opacity;
|
|
} else {
|
|
time *= m_opacity;
|
|
}
|
|
|
|
m_anim = anim;
|
|
//kDebug() << "animating for " << time << "ms";
|
|
m_animId = Animator::self()->customAnimation(80 * (time / 1000.0), (int)time,
|
|
Animator::EaseInCurve, this, "fadeAnimation");
|
|
}
|
|
|
|
void AppletHandle::forceDisappear()
|
|
{
|
|
setAcceptsHoverEvents(false);
|
|
startFading(FadeOut, m_entryPos);
|
|
}
|
|
|
|
int AppletHandle::minimumHeight()
|
|
{
|
|
int iconMargin = m_iconSize / 2;
|
|
int requiredHeight = iconMargin + //first margin
|
|
(m_iconSize + iconMargin) * 4 + //XXX remember to update this if the number of buttons changes
|
|
iconMargin ; //blank space before the close button
|
|
|
|
if (m_applet && m_applet->hasConfigurationInterface()) {
|
|
requiredHeight += (m_iconSize + iconMargin);
|
|
}
|
|
|
|
return requiredHeight;
|
|
}
|
|
|
|
void AppletHandle::calculateSize()
|
|
{
|
|
KIconLoader *iconLoader = KIconLoader::global();
|
|
//m_iconSize = iconLoader->currentSize(KIconLoader::Small); //does not work with double sized icon
|
|
m_iconSize = iconLoader->loadIcon("transform-scale", KIconLoader::Small).width(); //workaround
|
|
|
|
int handleHeight = qMax(minimumHeight(), int(m_applet->contentsRect().height() * 0.8));
|
|
int handleWidth = m_iconSize + 2 * HANDLE_MARGIN;
|
|
int top =
|
|
m_applet->contentsRect().top() + (m_applet->contentsRect().height() - handleHeight) / 2.0;
|
|
|
|
qreal marginLeft, marginTop, marginRight, marginBottom;
|
|
m_background->getMargins(marginLeft, marginTop, marginRight, marginBottom);
|
|
|
|
if (m_buttonsOnRight) {
|
|
//put the rect on the right of the applet
|
|
m_rect = QRectF(m_applet->size().width(), top, handleWidth, handleHeight);
|
|
} else {
|
|
//put the rect on the left of the applet
|
|
m_rect = QRectF(-handleWidth, top, handleWidth, handleHeight);
|
|
}
|
|
|
|
if (m_applet->contentsRect().height() > qreal(minimumHeight()) * 1.25) {
|
|
int addedMargin = marginLeft / 2;
|
|
|
|
// now we check to see if the shape is smaller than the contents,
|
|
// and that the shape is not just the bounding rect; in those cases
|
|
// we have a shaped guy and we draw a full panel;
|
|
// TODO: allow applets to mark when they have translucent areas and
|
|
// should therefore skip this test?
|
|
if (!m_applet->shape().contains(m_applet->contentsRect())) {
|
|
QPainterPath p;
|
|
p.addRect(m_applet->boundingRect());
|
|
if (m_applet->shape() != p) {
|
|
addedMargin = m_applet->contentsRect().width() / 2;
|
|
}
|
|
}
|
|
|
|
if (m_buttonsOnRight) {
|
|
marginLeft += addedMargin;
|
|
} else {
|
|
marginRight += addedMargin;
|
|
}
|
|
}
|
|
|
|
//m_rect = m_applet->mapToParent(m_rect).boundingRect();
|
|
m_decorationRect = m_rect.adjusted(-marginLeft, -marginTop, marginRight, marginBottom);
|
|
m_totalRect = m_decorationRect.united(m_applet->boundingRect());
|
|
}
|
|
|
|
} // Plasma Namespace
|
|
|
|
#include "applethandle_p.moc"
|
|
|