okular/part/pageviewmouseannotation.cpp
Sune Vuorela 792425fc77 s/qAsConst/std::as_const/
We now definitely has std::as_const available and Qt has started nagging
about converting to std::as_const.

Implementation is the same for both functions, and qAsConst was a
stop-gap measure until std::as_const was sufficiently available.
2023-12-19 11:46:24 +00:00

666 lines
26 KiB
C++

/*
SPDX-FileCopyrightText: 2017 Tobias Deiminger <haxtibal@t-online.de>
SPDX-FileCopyrightText: 2004-2005 Enrico Ros <eros.kde@email.it>
SPDX-FileCopyrightText: 2004-2006 Albert Astals Cid <aacid@kde.org>
Work sponsored by the LiMux project of the city of Munich:
SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB a KDAB Group company <info@kdab.com>
With portions of code from kpdf/kpdf_pagewidget.cc by:
SPDX-FileCopyrightText: 2002 Wilco Greven <greven@kde.org>
SPDX-FileCopyrightText: 2003 Christophe Devriese <Christophe.Devriese@student.kuleuven.ac.be>
SPDX-FileCopyrightText: 2003 Laurent Montel <montel@kde.org>
SPDX-FileCopyrightText: 2003 Dirk Mueller <mueller@kde.org>
SPDX-FileCopyrightText: 2004 James Ots <kde@jamesots.com>
SPDX-FileCopyrightText: 2011 Jiri Baum - NICTA <jiri@baum.com.au>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "pageviewmouseannotation.h"
#include <qevent.h>
#include <qpainter.h>
#include <qtooltip.h>
#include "core/document.h"
#include "core/page.h"
#include "gui/guiutils.h"
#include "pageview.h"
#include "videowidget.h"
static const int handleSize = 10;
static const int handleSizeHalf = handleSize / 2;
bool AnnotationDescription::isValid() const
{
return (annotation != nullptr);
}
bool AnnotationDescription::isContainedInPage(const Okular::Document *document, int pageNumber) const
{
if (AnnotationDescription::pageNumber == pageNumber) {
/* Don't access page via pageViewItem here. pageViewItem might have been deleted. */
const Okular::Page *page = document->page(pageNumber);
if (page != nullptr) {
if (page->annotations().contains(annotation)) {
return true;
}
}
}
return false;
}
void AnnotationDescription::invalidate()
{
annotation = nullptr;
pageViewItem = nullptr;
pageNumber = -1;
}
AnnotationDescription::AnnotationDescription(PageViewItem *newPageViewItem, const QPoint eventPos)
{
const Okular::AnnotationObjectRect *annObjRect = nullptr;
if (newPageViewItem) {
const QRect &uncroppedPage = newPageViewItem->uncroppedGeometry();
/* find out normalized mouse coords inside current item (nX and nY will be in the range of 0..1). */
const double nX = newPageViewItem->absToPageX(eventPos.x());
const double nY = newPageViewItem->absToPageY(eventPos.y());
annObjRect = (Okular::AnnotationObjectRect *)newPageViewItem->page()->objectRect(Okular::ObjectRect::OAnnotation, nX, nY, uncroppedPage.width(), uncroppedPage.height());
}
if (annObjRect) {
annotation = annObjRect->annotation();
pageViewItem = newPageViewItem;
pageNumber = pageViewItem->pageNumber();
} else {
invalidate();
}
}
MouseAnnotation::MouseAnnotation(PageView *parent, Okular::Document *document)
: QObject(parent)
, m_document(document)
, m_pageView(parent)
, m_state(StateInactive)
, m_handle(RH_None)
{
m_resizeHandleList << RH_Left << RH_Right << RH_Top << RH_Bottom << RH_TopLeft << RH_TopRight << RH_BottomLeft << RH_BottomRight;
}
MouseAnnotation::~MouseAnnotation()
{
}
void MouseAnnotation::routeMousePressEvent(PageViewItem *pageViewItem, const QPoint eventPos)
{
/* Is there a selected annotation? */
if (m_focusedAnnotation.isValid()) {
m_mousePosition = eventPos - pageViewItem->uncroppedGeometry().topLeft();
m_handle = getHandleAt(m_mousePosition, m_focusedAnnotation);
if (m_handle != RH_None) {
/* Returning here means, the selection-rectangle gets control, unconditionally.
* Even if it overlaps with another annotation. */
return;
}
}
AnnotationDescription ad(pageViewItem, eventPos);
/* qDebug() << "routeMousePressEvent: eventPos = " << eventPos; */
if (ad.isValid()) {
if (ad.annotation->subType() == Okular::Annotation::AMovie || ad.annotation->subType() == Okular::Annotation::AScreen || ad.annotation->subType() == Okular::Annotation::AFileAttachment ||
ad.annotation->subType() == Okular::Annotation::ARichMedia) {
/* qDebug() << "routeMousePressEvent: trigger action for AMovie/AScreen/AFileAttachment"; */
processAction(ad);
} else {
/* qDebug() << "routeMousePressEvent: select for modification"; */
m_mousePosition = eventPos - pageViewItem->uncroppedGeometry().topLeft();
m_handle = getHandleAt(m_mousePosition, ad);
if (m_handle != RH_None) {
setState(StateFocused, ad);
}
}
} else {
/* qDebug() << "routeMousePressEvent: no annotation under mouse, enter StateInactive"; */
setState(StateInactive, ad);
}
}
void MouseAnnotation::routeMouseReleaseEvent()
{
if (isModified()) {
/* qDebug() << "routeMouseReleaseEvent: finish command"; */
finishCommand();
setState(StateFocused, m_focusedAnnotation);
}
/*
else
{
qDebug() << "routeMouseReleaseEvent: ignore";
}
*/
}
void MouseAnnotation::routeMouseMoveEvent(PageViewItem *pageViewItem, const QPoint eventPos, bool leftButtonPressed)
{
if (!pageViewItem) {
/* qDebug() << "routeMouseMoveEvent: no pageViewItem provided, ignore"; */
return;
}
if (leftButtonPressed) {
if (isFocused()) {
/* On first move event after annotation is selected, enter modification state */
if (m_handle == RH_Content) {
/* qDebug() << "routeMouseMoveEvent: handle " << m_handle << ", enter StateMoving"; */
setState(StateMoving, m_focusedAnnotation);
} else if (m_handle != RH_None) {
/* qDebug() << "routeMouseMoveEvent: handle " << m_handle << ", enter StateResizing"; */
setState(StateResizing, m_focusedAnnotation);
}
}
if (isModified()) {
/* qDebug() << "routeMouseMoveEvent: perform command, delta " << eventPos - m_mousePosition; */
updateViewport(m_focusedAnnotation);
performCommand(eventPos);
m_mousePosition = eventPos - pageViewItem->uncroppedGeometry().topLeft();
updateViewport(m_focusedAnnotation);
}
} else {
if (isFocused()) {
/* qDebug() << "routeMouseMoveEvent: update cursor for focused annotation, new eventPos " << eventPos; */
m_mousePosition = eventPos - pageViewItem->uncroppedGeometry().topLeft();
m_handle = getHandleAt(m_mousePosition, m_focusedAnnotation);
m_pageView->updateCursor();
}
/* We get here quite frequently. */
const AnnotationDescription ad(pageViewItem, eventPos);
m_mousePosition = eventPos - pageViewItem->uncroppedGeometry().topLeft();
if (ad.isValid()) {
if (!(m_mouseOverAnnotation == ad)) {
/* qDebug() << "routeMouseMoveEvent: Annotation under mouse (subtype " << ad.annotation->subType() << ", flags " << ad.annotation->flags() << ")"; */
m_mouseOverAnnotation = ad;
m_pageView->updateCursor();
}
} else {
if (!(m_mouseOverAnnotation == ad)) {
/* qDebug() << "routeMouseMoveEvent: Annotation disappeared under mouse."; */
m_mouseOverAnnotation.invalidate();
m_pageView->updateCursor();
}
}
}
}
void MouseAnnotation::routeKeyPressEvent(const QKeyEvent *e)
{
switch (e->key()) {
case Qt::Key_Escape:
cancel();
break;
case Qt::Key_Delete:
if (m_focusedAnnotation.isValid()) {
AnnotationDescription adToBeDeleted = m_focusedAnnotation;
cancel();
m_document->removePageAnnotation(adToBeDeleted.pageNumber, adToBeDeleted.annotation);
}
break;
}
}
void MouseAnnotation::routeTooltipEvent(const QHelpEvent *helpEvent)
{
/* qDebug() << "MouseAnnotation::routeTooltipEvent, event " << helpEvent; */
if (m_mouseOverAnnotation.isValid() && m_mouseOverAnnotation.annotation->subType() != Okular::Annotation::AWidget) {
/* get boundingRect in uncropped page coordinates */
QRect boundingRect = Okular::AnnotationUtils::annotationGeometry(m_mouseOverAnnotation.annotation, m_mouseOverAnnotation.pageViewItem->uncroppedWidth(), m_mouseOverAnnotation.pageViewItem->uncroppedHeight());
/* uncropped page to content area */
boundingRect.translate(m_mouseOverAnnotation.pageViewItem->uncroppedGeometry().topLeft());
/* content area to viewport */
boundingRect.translate(-m_pageView->contentAreaPosition());
const QString tip = GuiUtils::prettyToolTip(m_mouseOverAnnotation.annotation);
QToolTip::showText(helpEvent->globalPos(), tip, m_pageView->viewport(), boundingRect);
}
}
void MouseAnnotation::routePaint(QPainter *painter, const QRect paintRect)
{
/* QPainter draws relative to the origin of uncropped viewport. */
static const QColor borderColor = QColor::fromHsvF(0, 0, 1.0);
static const QColor fillColor = QColor::fromHsvF(0, 0, 0.75, 0.66);
if (!isFocused()) {
return;
}
/*
* Get annotation bounding rectangle in uncropped page coordinates.
* Distinction between AnnotationUtils::annotationGeometry() and AnnotationObjectRect::boundingRect() is,
* that boundingRect would enlarge the QRect to a minimum size of 14 x 14.
* This is useful for getting focus an a very small annotation,
* but for drawing and modification we want the real size.
*/
const QRect boundingRect = Okular::AnnotationUtils::annotationGeometry(m_focusedAnnotation.annotation, m_focusedAnnotation.pageViewItem->uncroppedWidth(), m_focusedAnnotation.pageViewItem->uncroppedHeight());
if (!paintRect.intersects(boundingRect.translated(m_focusedAnnotation.pageViewItem->uncroppedGeometry().topLeft()).adjusted(-handleSizeHalf, -handleSizeHalf, handleSizeHalf, handleSizeHalf))) {
/* Our selection rectangle is not in a region that needs to be (re-)drawn. */
return;
}
painter->save();
painter->translate(m_focusedAnnotation.pageViewItem->uncroppedGeometry().topLeft());
painter->setPen(QPen(fillColor, 2, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin));
painter->drawRect(boundingRect);
if (m_focusedAnnotation.annotation->canBeResized()) {
painter->setPen(borderColor);
painter->setBrush(fillColor);
for (const ResizeHandle &handle : std::as_const(m_resizeHandleList)) {
QRect rect = getHandleRect(handle, m_focusedAnnotation);
painter->drawRect(rect);
}
}
painter->restore();
}
Okular::Annotation *MouseAnnotation::annotation() const
{
if (m_focusedAnnotation.isValid()) {
return m_focusedAnnotation.annotation;
}
return nullptr;
}
bool MouseAnnotation::isActive() const
{
return (m_state != StateInactive);
}
bool MouseAnnotation::isMouseOver() const
{
return (m_mouseOverAnnotation.isValid() || m_handle != RH_None);
}
bool MouseAnnotation::isFocused() const
{
return (m_state == StateFocused);
}
bool MouseAnnotation::isMoved() const
{
return (m_state == StateMoving);
}
bool MouseAnnotation::isResized() const
{
return (m_state == StateResizing);
}
bool MouseAnnotation::isModified() const
{
return (m_state == StateMoving || m_state == StateResizing);
}
Qt::CursorShape MouseAnnotation::cursor() const
{
if (m_handle != RH_None) {
if (isMoved()) {
return Qt::SizeAllCursor;
} else if (isFocused() || isResized()) {
switch (m_handle) {
case RH_Top:
return Qt::SizeVerCursor;
case RH_TopRight:
return Qt::SizeBDiagCursor;
case RH_Right:
return Qt::SizeHorCursor;
case RH_BottomRight:
return Qt::SizeFDiagCursor;
case RH_Bottom:
return Qt::SizeVerCursor;
case RH_BottomLeft:
return Qt::SizeBDiagCursor;
case RH_Left:
return Qt::SizeHorCursor;
case RH_TopLeft:
return Qt::SizeFDiagCursor;
case RH_Content:
return Qt::SizeAllCursor;
default:
return Qt::OpenHandCursor;
}
}
} else if (m_mouseOverAnnotation.isValid()) {
/* Mouse is over annotation, but the annotation is not yet selected. */
if (m_mouseOverAnnotation.annotation->subType() == Okular::Annotation::AMovie) {
return Qt::PointingHandCursor;
} else if (m_mouseOverAnnotation.annotation->subType() == Okular::Annotation::ARichMedia) {
return Qt::PointingHandCursor;
} else if (m_mouseOverAnnotation.annotation->subType() == Okular::Annotation::AScreen) {
if (GuiUtils::renditionMovieFromScreenAnnotation(static_cast<const Okular::ScreenAnnotation *>(m_mouseOverAnnotation.annotation)) != nullptr) {
return Qt::PointingHandCursor;
}
} else if (m_mouseOverAnnotation.annotation->subType() == Okular::Annotation::AFileAttachment) {
return Qt::PointingHandCursor;
} else {
return Qt::ArrowCursor;
}
}
/* There's no none cursor, so we still have to return something. */
return Qt::ArrowCursor;
}
void MouseAnnotation::notifyAnnotationChanged(int pageNumber)
{
const AnnotationDescription emptyAd;
if (m_focusedAnnotation.isValid() && !m_focusedAnnotation.isContainedInPage(m_document, pageNumber)) {
setState(StateInactive, emptyAd);
}
if (m_mouseOverAnnotation.isValid() && !m_mouseOverAnnotation.isContainedInPage(m_document, pageNumber)) {
m_mouseOverAnnotation = emptyAd;
m_pageView->updateCursor();
}
}
void MouseAnnotation::updateAnnotationPointers()
{
if (m_focusedAnnotation.annotation) {
m_focusedAnnotation.annotation = m_document->page(m_focusedAnnotation.pageNumber)->annotation(m_focusedAnnotation.annotation->uniqueName());
}
if (m_mouseOverAnnotation.annotation) {
m_mouseOverAnnotation.annotation = m_document->page(m_mouseOverAnnotation.pageNumber)->annotation(m_mouseOverAnnotation.annotation->uniqueName());
}
}
void MouseAnnotation::cancel()
{
if (isActive()) {
finishCommand();
setState(StateInactive, m_focusedAnnotation);
}
}
void MouseAnnotation::reset()
{
cancel();
m_focusedAnnotation.invalidate();
m_mouseOverAnnotation.invalidate();
}
/* Handle state changes for the focused annotation. */
void MouseAnnotation::setState(MouseAnnotationState state, const AnnotationDescription &ad)
{
/* qDebug() << "setState: requested " << state; */
if (m_focusedAnnotation.isValid()) {
/* If there was a annotation before, request also repaint for the previous area. */
updateViewport(m_focusedAnnotation);
}
if (!ad.isValid()) {
/* qDebug() << "No annotation provided, forcing state inactive." << state; */
state = StateInactive;
} else if ((state == StateMoving && !ad.annotation->canBeMoved()) || (state == StateResizing && !ad.annotation->canBeResized())) {
/* qDebug() << "Annotation does not support requested state, forcing state selected." << state; */
state = StateInactive;
}
switch (state) {
case StateMoving:
m_focusedAnnotation = ad;
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() | Okular::Annotation::BeingMoved);
updateViewport(m_focusedAnnotation);
break;
case StateResizing:
m_focusedAnnotation = ad;
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() | Okular::Annotation::BeingResized);
updateViewport(m_focusedAnnotation);
break;
case StateFocused:
m_focusedAnnotation = ad;
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() & ~(Okular::Annotation::BeingMoved | Okular::Annotation::BeingResized));
updateViewport(m_focusedAnnotation);
break;
case StateInactive:
default:
if (m_focusedAnnotation.isValid()) {
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() & ~(Okular::Annotation::BeingMoved | Okular::Annotation::BeingResized));
}
m_focusedAnnotation.invalidate();
m_handle = RH_None;
}
/* qDebug() << "setState: enter " << state; */
m_state = state;
m_pageView->updateCursor();
}
/* Get the rectangular boundary of the given annotation, enlarged for space needed by resize handles.
* Returns a QRect in page view item coordinates. */
QRect MouseAnnotation::getFullBoundingRect(const AnnotationDescription &ad) const
{
QRect boundingRect;
if (ad.isValid()) {
boundingRect = Okular::AnnotationUtils::annotationGeometry(ad.annotation, ad.pageViewItem->uncroppedWidth(), ad.pageViewItem->uncroppedHeight());
boundingRect = boundingRect.adjusted(-handleSizeHalf, -handleSizeHalf, handleSizeHalf, handleSizeHalf);
}
return boundingRect;
}
/* Apply the command determined by m_state to the currently focused annotation. */
void MouseAnnotation::performCommand(const QPoint newPos)
{
const QRect &pageViewItemRect = m_focusedAnnotation.pageViewItem->uncroppedGeometry();
QPointF mouseDelta(newPos - pageViewItemRect.topLeft() - m_mousePosition);
QPointF normalizedRotatedMouseDelta(rotateInRect(QPointF(mouseDelta.x() / pageViewItemRect.width(), mouseDelta.y() / pageViewItemRect.height()), m_focusedAnnotation.pageViewItem->page()->rotation()));
if (isMoved()) {
Okular::NormalizedPoint delta(normalizedRotatedMouseDelta.x(), normalizedRotatedMouseDelta.y());
const Okular::NormalizedRect annotRect = m_focusedAnnotation.annotation->boundingRectangle();
// if moving annot to the left && delta.x is big enough to move annot outside the page
if (delta.x < 0 && (annotRect.left + delta.x) < 0) {
delta.x = -annotRect.left; // update delta.x to move annot only to the left edge of the page
}
// similar checks for right, top and bottom
if (delta.x > 0 && (annotRect.right + delta.x) > 1) {
delta.x = 1 - annotRect.right;
}
if (delta.y < 0 && (annotRect.top + delta.y) < 0) {
delta.y = -annotRect.top;
}
if (delta.y > 0 && (annotRect.bottom + delta.y) > 1) {
delta.y = 1 - annotRect.bottom;
}
m_document->translatePageAnnotation(m_focusedAnnotation.pageNumber, m_focusedAnnotation.annotation, delta);
} else if (isResized()) {
QPointF delta1, delta2;
handleToAdjust(normalizedRotatedMouseDelta, delta1, delta2, m_handle, m_focusedAnnotation.pageViewItem->page()->rotation());
m_document->adjustPageAnnotation(m_focusedAnnotation.pageNumber, m_focusedAnnotation.annotation, Okular::NormalizedPoint(delta1.x(), delta1.y()), Okular::NormalizedPoint(delta2.x(), delta2.y()));
}
}
/* Finalize a command in progress for the currently focused annotation. */
void MouseAnnotation::finishCommand()
{
/*
* Note:
* Translate-/resizePageAnnotation causes PopplerAnnotationProxy::notifyModification,
* where modify flag needs to be already cleared. So it is important to call
* setFlags before translatePageAnnotation-/adjustPageAnnotation.
*/
if (isMoved()) {
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() & ~Okular::Annotation::BeingMoved);
m_document->translatePageAnnotation(m_focusedAnnotation.pageNumber, m_focusedAnnotation.annotation, Okular::NormalizedPoint(0.0, 0.0));
} else if (isResized()) {
m_focusedAnnotation.annotation->setFlags(m_focusedAnnotation.annotation->flags() & ~Okular::Annotation::BeingResized);
m_document->adjustPageAnnotation(m_focusedAnnotation.pageNumber, m_focusedAnnotation.annotation, Okular::NormalizedPoint(0.0, 0.0), Okular::NormalizedPoint(0.0, 0.0));
}
}
/* Tell viewport widget that the rectangular of the given annotation needs to be repainted. */
void MouseAnnotation::updateViewport(const AnnotationDescription &ad) const
{
const QRect &changedPageViewItemRect = getFullBoundingRect(ad);
if (changedPageViewItemRect.isValid()) {
m_pageView->viewport()->update(changedPageViewItemRect.translated(ad.pageViewItem->uncroppedGeometry().topLeft()).translated(-m_pageView->contentAreaPosition()));
}
}
/* eventPos: Mouse position in uncropped page coordinates.
ad: The annotation to get the handle for. */
MouseAnnotation::ResizeHandle MouseAnnotation::getHandleAt(const QPoint eventPos, const AnnotationDescription &ad) const
{
ResizeHandle selected = RH_None;
if (ad.annotation->canBeResized()) {
for (const ResizeHandle &handle : m_resizeHandleList) {
const QRect rect = getHandleRect(handle, ad);
if (rect.contains(eventPos)) {
selected |= handle;
}
}
/*
* Handles may overlap when selection is very small.
* Then it can happen that cursor is over more than one handles,
* and therefore maybe more than two flags are set.
* Favor one handle in that case.
*/
if ((selected & RH_BottomRight) == RH_BottomRight) {
return RH_BottomRight;
}
if ((selected & RH_TopRight) == RH_TopRight) {
return RH_TopRight;
}
if ((selected & RH_TopLeft) == RH_TopLeft) {
return RH_TopLeft;
}
if ((selected & RH_BottomLeft) == RH_BottomLeft) {
return RH_BottomLeft;
}
}
if (selected == RH_None && ad.annotation->canBeMoved()) {
const QRect boundingRect = Okular::AnnotationUtils::annotationGeometry(ad.annotation, ad.pageViewItem->uncroppedWidth(), ad.pageViewItem->uncroppedHeight());
if (boundingRect.contains(eventPos)) {
return RH_Content;
}
}
return selected;
}
/* Get the rectangle for a specified resizie handle. */
QRect MouseAnnotation::getHandleRect(ResizeHandle handle, const AnnotationDescription &ad) const
{
const QRect boundingRect = Okular::AnnotationUtils::annotationGeometry(ad.annotation, ad.pageViewItem->uncroppedWidth(), ad.pageViewItem->uncroppedHeight());
int left, top;
if (handle & RH_Top) {
top = boundingRect.top() - handleSizeHalf;
} else if (handle & RH_Bottom) {
top = boundingRect.bottom() - handleSizeHalf;
} else {
top = boundingRect.top() + boundingRect.height() / 2 - handleSizeHalf;
}
if (handle & RH_Left) {
left = boundingRect.left() - handleSizeHalf;
} else if (handle & RH_Right) {
left = boundingRect.right() - handleSizeHalf;
} else {
left = boundingRect.left() + boundingRect.width() / 2 - handleSizeHalf;
}
return QRect(left, top, handleSize, handleSize);
}
/* Convert a resize handle delta into two adjust delta coordinates. */
void MouseAnnotation::handleToAdjust(const QPointF dIn, QPointF &dOut1, QPointF &dOut2, MouseAnnotation::ResizeHandle handle, Okular::Rotation rotation)
{
const MouseAnnotation::ResizeHandle rotatedHandle = MouseAnnotation::rotateHandle(handle, rotation);
dOut1.rx() = (rotatedHandle & MouseAnnotation::RH_Left) ? dIn.x() : 0;
dOut1.ry() = (rotatedHandle & MouseAnnotation::RH_Top) ? dIn.y() : 0;
dOut2.rx() = (rotatedHandle & MouseAnnotation::RH_Right) ? dIn.x() : 0;
dOut2.ry() = (rotatedHandle & MouseAnnotation::RH_Bottom) ? dIn.y() : 0;
}
QPointF MouseAnnotation::rotateInRect(const QPointF rotated, Okular::Rotation rotation)
{
QPointF ret;
switch (rotation) {
case Okular::Rotation90:
ret = QPointF(rotated.y(), -rotated.x());
break;
case Okular::Rotation180:
ret = QPointF(-rotated.x(), -rotated.y());
break;
case Okular::Rotation270:
ret = QPointF(-rotated.y(), rotated.x());
break;
case Okular::Rotation0: /* no modifications */
default: /* other cases */
ret = rotated;
}
return ret;
}
MouseAnnotation::ResizeHandle MouseAnnotation::rotateHandle(MouseAnnotation::ResizeHandle handle, Okular::Rotation rotation)
{
unsigned int rotatedHandle = 0;
switch (rotation) {
case Okular::Rotation90:
/* bit rotation: #1 => #4, #2 => #1, #3 => #2, #4 => #3 */
rotatedHandle = (handle << 3 | handle >> (4 - 3)) & RH_AllHandles;
break;
case Okular::Rotation180:
/* bit rotation: #1 => #3, #2 => #4, #3 => #1, #4 => #2 */
rotatedHandle = (handle << 2 | handle >> (4 - 2)) & RH_AllHandles;
break;
case Okular::Rotation270:
/* bit rotation: #1 => #2, #2 => #3, #3 => #4, #4 => #1 */
rotatedHandle = (handle << 1 | handle >> (4 - 1)) & RH_AllHandles;
break;
case Okular::Rotation0: /* no modifications */
default: /* other cases */
rotatedHandle = handle;
break;
}
return (MouseAnnotation::ResizeHandle)rotatedHandle;
}
/* Start according action for AMovie/ARichMedia/AScreen/AFileAttachment.
* It was formerly (before mouse annotation refactoring) called on mouse release event.
* Now it's called on mouse press. Should we keep the former behavior? */
void MouseAnnotation::processAction(const AnnotationDescription &ad)
{
if (ad.isValid()) {
Okular::Annotation *ann = ad.annotation;
PageViewItem *pageItem = ad.pageViewItem;
if (ann->subType() == Okular::Annotation::AMovie) {
VideoWidget *vw = pageItem->videoWidgets().value(static_cast<Okular::MovieAnnotation *>(ann)->movie());
vw->show();
vw->play();
} else if (ann->subType() == Okular::Annotation::ARichMedia) {
VideoWidget *vw = pageItem->videoWidgets().value(static_cast<Okular::RichMediaAnnotation *>(ann)->movie());
vw->show();
vw->play();
} else if (ann->subType() == Okular::Annotation::AScreen) {
m_document->processAction(static_cast<Okular::ScreenAnnotation *>(ann)->action());
} else if (ann->subType() == Okular::Annotation::AFileAttachment) {
const Okular::FileAttachmentAnnotation *fileAttachAnnot = static_cast<Okular::FileAttachmentAnnotation *>(ann);
GuiUtils::saveEmbeddedFile(fileAttachAnnot->embeddedFile(), m_pageView);
}
}
}