зеркало из https://github.com/mozilla/gecko-dev.git
623 строки
19 KiB
C++
623 строки
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=4 et sw=4 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <QGraphicsSceneHoverEvent>
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#include <QGraphicsSceneMouseEvent>
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#if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
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#include <QInputContext>
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#endif
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#include <QtCore/QTimer>
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// Solve conflict of qgl.h and GLDefs.h
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#define GLdouble_defined 1
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#include "mozqwidget.h"
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#include "nsWindow.h"
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#include "nsIObserverService.h"
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#include "mozilla/Services.h"
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#include "mozilla/TextEvents.h"
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#ifdef MOZ_ENABLE_QTMOBILITY
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#include "mozqorientationsensorfilter.h"
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#ifdef MOZ_X11
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#include <QX11Info>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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# undef KeyPress
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# undef KeyRelease
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# undef CursorShape
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#endif //MOZ_X11
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#endif //MOZ_ENABLE_QTMOBILITY
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/*
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Pure Qt is lacking a clear API to get the current state of the VKB (opened
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or closed).
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*/
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static bool gKeyboardOpen = false;
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/*
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In case we could not open the keyboard, we will try again when the focus
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event is sent. This can happen if the keyboard is asked for before the
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window is focused. This global is used to track that case.
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*/
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static bool gFailedOpenKeyboard = false;
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/*
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For websites that focus editable elements during other operations for a very
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short time, we add some decoupling to prevent the VKB from appearing and
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reappearing for a very short time. This global is set when the keyboard should
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be opened and if it is still set when a timer runs out, the VKB is really
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shown.
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*/
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static bool gPendingVKBOpen = false;
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/*
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Contains the last preedit String, this is needed in order to generate KeyEvents
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*/
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static QString gLastPreeditString;
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MozQWidget::MozQWidget(nsWindow* aReceiver, QGraphicsItem* aParent)
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: mReceiver(aReceiver)
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{
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setParentItem(aParent);
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#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
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setFlag(QGraphicsItem::ItemAcceptsInputMethod);
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setAcceptTouchEvents(true);
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#endif
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setAcceptHoverEvents(true);
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}
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MozQWidget::~MozQWidget()
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{
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if (mReceiver)
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mReceiver->QWidgetDestroyed();
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}
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void MozQWidget::paint(QPainter* aPainter, const QStyleOptionGraphicsItem* aOption, QWidget* aWidget /*= 0*/)
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{
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if (mReceiver)
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mReceiver->DoPaint(aPainter, aOption, aWidget);
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}
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void MozQWidget::activate()
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{
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// ensure that the keyboard is hidden when we activate the window
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hideVKB();
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mReceiver->DispatchActivateEventOnTopLevelWindow();
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}
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void MozQWidget::deactivate()
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{
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// ensure that the keyboard is hidden when we deactivate the window
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hideVKB();
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mReceiver->DispatchDeactivateEventOnTopLevelWindow();
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}
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void MozQWidget::resizeEvent(QGraphicsSceneResizeEvent* aEvent)
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{
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mReceiver->OnResizeEvent(aEvent);
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}
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void MozQWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent* aEvent)
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{
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mReceiver->contextMenuEvent(aEvent);
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}
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void MozQWidget::dragEnterEvent(QGraphicsSceneDragDropEvent* aEvent)
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{
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mReceiver->OnDragEnter(aEvent);
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}
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void MozQWidget::dragLeaveEvent(QGraphicsSceneDragDropEvent* aEvent)
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{
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mReceiver->OnDragLeaveEvent(aEvent);
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}
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void MozQWidget::dragMoveEvent(QGraphicsSceneDragDropEvent* aEvent)
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{
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mReceiver->OnDragMotionEvent(aEvent);
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}
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void MozQWidget::dropEvent(QGraphicsSceneDragDropEvent* aEvent)
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{
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mReceiver->OnDragDropEvent(aEvent);
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}
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void MozQWidget::focusInEvent(QFocusEvent* aEvent)
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{
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mReceiver->OnFocusInEvent(aEvent);
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// The application requested the VKB during startup but did not manage
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// to open it, because there was no focused window yet so we do it now by
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// requesting the VKB without any timeout.
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if (gFailedOpenKeyboard)
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requestVKB(0, this);
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}
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#ifdef MOZ_ENABLE_QTMOBILITY
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void MozQWidget::orientationChanged()
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{
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if (!scene() || !scene()->views().size()) {
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return;
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}
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NS_ASSERTION(scene()->views().size() == 1, "Not exactly one view for our scene!");
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QTransform& transform = MozQOrientationSensorFilter::GetRotationTransform();
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QRect scrTrRect = transform.mapRect(scene()->views()[0]->rect());
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setTransformOriginPoint(scene()->views()[0]->size().width() / 2, scene()->views()[0]->size().height() / 2);
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scene()->views()[0]->setTransform(transform);
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int orientation = MozQOrientationSensorFilter::GetWindowRotationAngle();
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if (orientation == 0 || orientation == 180) {
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setPos(0,0);
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} else {
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setPos(-(scrTrRect.size().width() - scrTrRect.size().height()) / 2,
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(scrTrRect.size().width() - scrTrRect.size().height()) / 2);
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}
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resize(scrTrRect.size());
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scene()->setSceneRect(QRectF(QPointF(0, 0), scrTrRect.size()));
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#ifdef MOZ_X11
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Display* display = QX11Info::display();
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if (!display) {
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return;
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}
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Atom orientationAngleAtom = XInternAtom(display, "_MEEGOTOUCH_ORIENTATION_ANGLE", False);
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XChangeProperty(display, scene()->views()[0]->effectiveWinId(),
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orientationAngleAtom, XA_CARDINAL, 32,
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PropModeReplace, (unsigned char*)&orientation, 1);
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#endif
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}
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#endif
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void MozQWidget::focusOutEvent(QFocusEvent* aEvent)
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{
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mReceiver->OnFocusOutEvent(aEvent);
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//OtherFocusReason most like means VKB was closed manual (done button)
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if (aEvent->reason() == Qt::OtherFocusReason && gKeyboardOpen) {
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hideVKB();
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}
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}
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void MozQWidget::hoverEnterEvent(QGraphicsSceneHoverEvent* aEvent)
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{
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mReceiver->OnEnterNotifyEvent(aEvent);
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}
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void MozQWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent* aEvent)
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{
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mReceiver->OnLeaveNotifyEvent(aEvent);
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}
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void MozQWidget::hoverMoveEvent(QGraphicsSceneHoverEvent* aEvent)
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{
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mReceiver->OnMotionNotifyEvent(aEvent->pos(), aEvent->modifiers());
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}
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void MozQWidget::keyPressEvent(QKeyEvent* aEvent)
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{
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mReceiver->OnKeyPressEvent(aEvent);
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}
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void MozQWidget::keyReleaseEvent(QKeyEvent* aEvent)
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{
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mReceiver->OnKeyReleaseEvent(aEvent);
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}
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void MozQWidget::inputMethodEvent(QInputMethodEvent* aEvent)
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{
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QString currentPreeditString = aEvent->preeditString();
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QString currentCommitString = aEvent->commitString();
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//first check for some controllkeys send as text...
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if (currentCommitString == " ") {
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sendPressReleaseKeyEvent(Qt::Key_Space, currentCommitString.unicode());
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} else if (currentCommitString == "\n") {
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sendPressReleaseKeyEvent(Qt::Key_Return, currentCommitString.unicode());
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} else if (currentCommitString.isEmpty()) {
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//if its no controllkey than check if current Commit is empty
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//if yes than we have some preedit text here
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if (currentPreeditString.length() == 1 && gLastPreeditString.isEmpty()) {
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//Preedit text can change its entire look'a'like
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//check if length of new compared to the old is 1,
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//means that its a new startup
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sendPressReleaseKeyEvent(0, currentPreeditString.unicode());
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} else if (currentPreeditString.startsWith(gLastPreeditString)) {
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//Length was not 1 or not a new startup
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//check if the current preedit starts with the last one,
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//if so: Add new letters (note: this can be more then one new letter)
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const QChar * text = currentPreeditString.unicode();
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for (int i = gLastPreeditString.length(); i < currentPreeditString.length(); i++) {
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sendPressReleaseKeyEvent(0, &text[i]);
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}
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} else {
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//last possible case, we had a PreeditString which was now completely changed.
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//first, check if just one letter was removed (normal Backspace case!)
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//if so: just send the backspace
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QString tempLastPre = gLastPreeditString;
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tempLastPre.truncate(gLastPreeditString.length()-1);
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if (currentPreeditString == tempLastPre) {
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sendPressReleaseKeyEvent(Qt::Key_Backspace);
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} else if (currentPreeditString != tempLastPre) {
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//more than one character changed, so just renew everything
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//delete all preedit
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for (int i = 0; i < gLastPreeditString.length(); i++) {
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sendPressReleaseKeyEvent(Qt::Key_Backspace);
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}
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//send new Preedit
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const QChar * text = currentPreeditString.unicode();
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for (int i = 0; i < currentPreeditString.length(); i++) {
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sendPressReleaseKeyEvent(0, &text[i]);
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}
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}
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}
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} else if (gLastPreeditString != currentCommitString) {
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//User commited something
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if (currentCommitString.length() == 1 && gLastPreeditString.isEmpty()) {
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//if commit string ist one and there is no Preedit String
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//case i.e. when no error correction is enabled in the system (default meego.com)
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sendPressReleaseKeyEvent(0, currentCommitString.unicode());
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} else {
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//There is a Preedit, first remove it
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for (int i = 0; i < gLastPreeditString.length(); i++) {
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sendPressReleaseKeyEvent(Qt::Key_Backspace);
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}
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//Now push commited String into
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const QChar * text = currentCommitString.unicode();
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for (int i = 0; i < currentCommitString.length(); i++) {
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sendPressReleaseKeyEvent(0, &text[i]);
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}
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}
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}
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//save preedit for next round.
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gLastPreeditString = currentPreeditString;
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//pre edit is continues string of new chars pressed by the user.
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//if pre edit is changing rapidly without commit string first then user choose some overed text
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//if commitstring comes directly after, forget about it
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QGraphicsWidget::inputMethodEvent(aEvent);
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}
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void MozQWidget::sendPressReleaseKeyEvent(int key,
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const QChar* letter,
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bool autorep,
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ushort count)
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{
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Qt::KeyboardModifiers modifiers = Qt::NoModifier;
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if (letter && letter->isUpper()) {
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modifiers = Qt::ShiftModifier;
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}
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if (letter) {
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// Handle as TextEvent
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nsCompositionEvent start(true, NS_COMPOSITION_START, mReceiver);
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mReceiver->DispatchEvent(&start);
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nsTextEvent text(true, NS_TEXT_TEXT, mReceiver);
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QString commitString = QString(*letter);
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text.theText.Assign(commitString.utf16());
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mReceiver->DispatchEvent(&text);
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nsCompositionEvent end(true, NS_COMPOSITION_END, mReceiver);
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mReceiver->DispatchEvent(&end);
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return;
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}
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QKeyEvent press(QEvent::KeyPress, key, modifiers, QString(), autorep, count);
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mReceiver->OnKeyPressEvent(&press);
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QKeyEvent release(QEvent::KeyRelease, key, modifiers, QString(), autorep, count);
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mReceiver->OnKeyReleaseEvent(&release);
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}
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void MozQWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* aEvent)
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{
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// Qt sends double click event, but not second press event.
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mReceiver->OnButtonPressEvent(aEvent);
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mReceiver->OnMouseDoubleClickEvent(aEvent);
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}
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void MozQWidget::mouseMoveEvent(QGraphicsSceneMouseEvent* aEvent)
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{
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mReceiver->OnMotionNotifyEvent(aEvent->pos(), aEvent->modifiers());
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}
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void MozQWidget::mousePressEvent(QGraphicsSceneMouseEvent* aEvent)
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{
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mReceiver->OnButtonPressEvent(aEvent);
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}
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void MozQWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent* aEvent)
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{
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mReceiver->OnButtonReleaseEvent(aEvent);
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}
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bool MozQWidget::event ( QEvent * event )
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{
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// check receiver, since due to deleteLater() call it's possible, that
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// events pass loop after receiver's destroy and while widget is still alive
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if (!mReceiver)
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return QGraphicsWidget::event(event);
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#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
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switch (event->type())
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{
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case QEvent::TouchBegin:
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case QEvent::TouchEnd:
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case QEvent::TouchUpdate:
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{
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// Do not send this event to other handlers, this is needed
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// to be able to receive the gesture events
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bool handled = false;
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mReceiver->OnTouchEvent(static_cast<QTouchEvent *>(event),handled);
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return handled;
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}
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case (QEvent::Gesture):
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{
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bool handled = false;
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mReceiver->OnGestureEvent(static_cast<QGestureEvent*>(event),handled);
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return handled;
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}
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default:
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break;
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}
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#endif
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return QGraphicsWidget::event(event);
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}
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void MozQWidget::wheelEvent(QGraphicsSceneWheelEvent* aEvent)
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{
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mReceiver->OnScrollEvent(aEvent);
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}
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void MozQWidget::closeEvent(QCloseEvent* aEvent)
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{
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mReceiver->OnCloseEvent(aEvent);
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}
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void MozQWidget::hideEvent(QHideEvent* aEvent)
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{
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if (mReceiver) {
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mReceiver->hideEvent(aEvent);
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}
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QGraphicsWidget::hideEvent(aEvent);
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}
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void MozQWidget::showEvent(QShowEvent* aEvent)
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{
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if (mReceiver) {
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mReceiver->showEvent(aEvent);
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}
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QGraphicsWidget::showEvent(aEvent);
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}
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void MozQWidget::SetCursor(nsCursor aCursor)
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{
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Qt::CursorShape cursor = Qt::ArrowCursor;
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switch(aCursor) {
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case eCursor_standard:
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cursor = Qt::ArrowCursor;
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break;
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case eCursor_wait:
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cursor = Qt::WaitCursor;
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break;
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case eCursor_select:
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cursor = Qt::IBeamCursor;
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break;
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case eCursor_hyperlink:
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cursor = Qt::PointingHandCursor;
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break;
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case eCursor_ew_resize:
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cursor = Qt::SplitHCursor;
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break;
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case eCursor_ns_resize:
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cursor = Qt::SplitVCursor;
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break;
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case eCursor_nw_resize:
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case eCursor_se_resize:
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cursor = Qt::SizeBDiagCursor;
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break;
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case eCursor_ne_resize:
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case eCursor_sw_resize:
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cursor = Qt::SizeFDiagCursor;
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break;
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case eCursor_crosshair:
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case eCursor_move:
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cursor = Qt::SizeAllCursor;
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break;
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case eCursor_help:
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cursor = Qt::WhatsThisCursor;
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break;
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case eCursor_copy:
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case eCursor_alias:
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break;
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case eCursor_context_menu:
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case eCursor_cell:
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case eCursor_grab:
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case eCursor_grabbing:
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case eCursor_spinning:
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case eCursor_zoom_in:
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case eCursor_zoom_out:
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default:
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break;
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}
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setCursor(cursor);
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}
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void MozQWidget::SetCursor(const QPixmap& aCursor, int aHotX, int aHotY)
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{
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QCursor bitmapCursor(aCursor, aHotX, aHotY);
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setCursor(bitmapCursor);
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}
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void MozQWidget::setModal(bool modal)
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{
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#if QT_VERSION >= 0x040600
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setPanelModality(modal ? QGraphicsItem::SceneModal : QGraphicsItem::NonModal);
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#else
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LOG(("Modal QGraphicsWidgets not supported in Qt < 4.6\n"));
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#endif
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}
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QVariant MozQWidget::inputMethodQuery(Qt::InputMethodQuery aQuery) const
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{
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// Additional MeeGo Touch queries, which do not depend on actually
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// having a focused input field.
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switch ((int) aQuery) {
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case 10001: // VisualizationPriorityQuery.
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// Tells if input method widget wants to have high priority
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// for visualization. Input methods should honor this and stay
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// out of widgets space.
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// Return false, eg. the input method can overlap QGraphicsWKView.
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return QVariant(false);
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case 10003: // ImCorrectionEnabledQuery.
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// Explicit correction enabling for text entries.
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return QVariant(false);
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case 10004: // ImModeQuery.
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// Retrieval mode: normal (0), direct [minics hardware keyboard] (1) or proxy (2)
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return QVariant::fromValue(0);
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case 10006: // InputMethodToolbarQuery.
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// Custom toolbar file name for text entry.
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return QVariant();
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}
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// Standard Qt queries dependent on having a focused web text input.
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switch (aQuery) {
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case Qt::ImFont:
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return QVariant(QFont());
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case Qt::ImMaximumTextLength:
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return QVariant(); // Means no limit.
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}
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// Additional MeeGo Touch queries dependent on having a focused web text input
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switch ((int) aQuery) {
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case 10002: // PreeditRectangleQuery.
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// Retrieve bounding rectangle for current preedit text.
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return QVariant(QRect());
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}
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return QVariant();
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}
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/**
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Request the VKB and starts a timer with the given timeout in milliseconds.
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If the request is not canceled when the timer runs out, the VKB is actually
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shown.
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*/
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void MozQWidget::requestVKB(int aTimeout, QObject* aWidget)
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{
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if (!gPendingVKBOpen) {
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gPendingVKBOpen = true;
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if (aTimeout == 0 || !aWidget) {
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showVKB();
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} else {
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QTimer::singleShot(aTimeout, aWidget, SLOT(showVKB()));
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}
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}
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}
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void MozQWidget::showVKB()
|
|
{
|
|
// skip showing of keyboard if not pending
|
|
if (!gPendingVKBOpen) {
|
|
return;
|
|
}
|
|
|
|
gPendingVKBOpen = false;
|
|
|
|
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)) && (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
|
|
QWidget* focusWidget = qApp->focusWidget();
|
|
|
|
if (focusWidget) {
|
|
QInputContext *inputContext = qApp->inputContext();
|
|
if (!inputContext) {
|
|
NS_WARNING("Requesting SIP: but no input context");
|
|
return;
|
|
}
|
|
|
|
QEvent request(QEvent::RequestSoftwareInputPanel);
|
|
inputContext->filterEvent(&request);
|
|
focusWidget->setAttribute(Qt::WA_InputMethodEnabled, true);
|
|
inputContext->setFocusWidget(focusWidget);
|
|
gKeyboardOpen = true;
|
|
gFailedOpenKeyboard = false;
|
|
}
|
|
else
|
|
{
|
|
// No focused widget yet, so we have to open the VKB later on.
|
|
gFailedOpenKeyboard = true;
|
|
}
|
|
#else
|
|
LOG(("VKB not supported in Qt < 4.6\n"));
|
|
#endif
|
|
}
|
|
|
|
void MozQWidget::hideVKB()
|
|
{
|
|
if (gPendingVKBOpen) {
|
|
// do not really open
|
|
gPendingVKBOpen = false;
|
|
}
|
|
|
|
if (!gKeyboardOpen) {
|
|
return;
|
|
}
|
|
|
|
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)) && (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
|
|
QInputContext *inputContext = qApp->inputContext();
|
|
if (!inputContext) {
|
|
NS_WARNING("Closing SIP: but no input context");
|
|
return;
|
|
}
|
|
|
|
QEvent request(QEvent::CloseSoftwareInputPanel);
|
|
inputContext->filterEvent(&request);
|
|
inputContext->reset();
|
|
gKeyboardOpen = false;
|
|
#else
|
|
LOG(("VKB not supported in Qt < 4.6\n"));
|
|
#endif
|
|
}
|
|
|
|
bool MozQWidget::isVKBOpen()
|
|
{
|
|
return gKeyboardOpen;
|
|
}
|
|
|
|
void
|
|
MozQWidget::NotifyVKB(const QRect& rect)
|
|
{
|
|
QRegion region(scene()->views()[0]->rect());
|
|
region -= rect;
|
|
QRectF bounds = mapRectFromScene(region.boundingRect());
|
|
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
|
|
if (observerService) {
|
|
QString rect = QString("{\"left\": %1, \"top\": %2, \"right\": %3, \"bottom\": %4}")
|
|
.arg(bounds.x()).arg(bounds.y()).arg(bounds.width()).arg(bounds.height());
|
|
observerService->NotifyObservers(nullptr, "softkb-change", rect.utf16());
|
|
}
|
|
}
|
|
|
|
void MozQWidget::SwitchToForeground()
|
|
{
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!os)
|
|
return;
|
|
os->NotifyObservers(nullptr, "application-foreground", nullptr);
|
|
}
|
|
|
|
void MozQWidget::SwitchToBackground()
|
|
{
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!os)
|
|
return;
|
|
os->NotifyObservers(nullptr, "application-background", nullptr);
|
|
}
|
|
|