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gecko/widget/qt/nsWindow.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/Util.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QtGui/QCursor>
#include <QIcon>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsSceneContextMenuEvent>
#include <QGraphicsSceneDragDropEvent>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsSceneHoverEvent>
#include <QGraphicsSceneWheelEvent>
#include <QGraphicsSceneResizeEvent>
#include <QStyleOptionGraphicsItem>
#include <QPaintEngine>
#include <QMimeData>
#include "mozqglwidgetwrapper.h"
#include <QtCore/QDebug>
#include <QtCore/QEvent>
#include <QtCore/QVariant>
#include <algorithm>
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
#include <QPinchGesture>
#include <QGestureRecognizer>
#include "mozSwipeGesture.h"
static Qt::GestureType gSwipeGestureId = Qt::CustomGesture;
// How many milliseconds mouseevents are blocked after receiving
// multitouch.
static const float GESTURES_BLOCK_MOUSE_FOR = 200;
#ifdef MOZ_ENABLE_QTMOBILITY
#include <QtSensors/QOrientationSensor>
using namespace QtMobility;
#endif // MOZ_ENABLE_QTMOBILITY
#endif // QT version check 4.6
#ifdef MOZ_X11
#include <X11/Xlib.h>
#endif //MOZ_X11
#include "nsXULAppAPI.h"
#include "prlink.h"
#include "nsWindow.h"
#include "mozqwidget.h"
#ifdef MOZ_ENABLE_QTMOBILITY
#include "mozqorientationsensorfilter.h"
#endif
#include "nsIdleService.h"
#include "nsRenderingContext.h"
#include "nsIRollupListener.h"
#include "nsWidgetsCID.h"
#include "nsQtKeyUtils.h"
#include "mozilla/Services.h"
#include "mozilla/Preferences.h"
#include "mozilla/Likely.h"
#include "mozilla/layers/LayersTypes.h"
#include "nsIWidgetListener.h"
#include "nsIStringBundle.h"
#include "nsGfxCIID.h"
#include "imgIContainer.h"
#include "nsGfxCIID.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsAutoPtr.h"
#include "gfxQtPlatform.h"
#ifdef MOZ_X11
#include "gfxXlibSurface.h"
#endif
#include "gfxQPainterSurface.h"
#include "gfxContext.h"
#include "gfxImageSurface.h"
#include "nsIDOMSimpleGestureEvent.h" //Gesture support
#include "nsIDOMWheelEvent.h"
#ifdef MOZ_X11
#include "keysym2ucs.h"
#endif
#include "gfxUtils.h"
#include "Layers.h"
#include "GLContextProvider.h"
#include "nsFastStartupQt.h"
// If embedding clients want to create widget without real parent window
// then nsIBaseWindow->Init() should have parent argument equal to PARENTLESS_WIDGET
#define PARENTLESS_WIDGET (void*)0x13579
#include "nsShmImage.h"
extern "C" {
#define PIXMAN_DONT_DEFINE_STDINT
#include "pixman.h"
}
using namespace mozilla;
using namespace mozilla::widget;
using mozilla::gl::GLContext;
// Cached offscreen surface
static nsRefPtr<gfxASurface> gBufferSurface;
#ifdef MOZ_HAVE_SHMIMAGE
// If we're using xshm rendering, mThebesSurface wraps gShmImage
nsRefPtr<nsShmImage> gShmImage;
#endif
static int gBufferPixmapUsageCount = 0;
static gfxIntSize gBufferMaxSize(0, 0);
// initialization static functions
static nsresult initialize_prefs (void);
static NS_DEFINE_IID(kCDragServiceCID, NS_DRAGSERVICE_CID);
#define NS_WINDOW_TITLE_MAX_LENGTH 4095
#define kWindowPositionSlop 20
// Qt
static const int WHEEL_DELTA = 120;
static bool gGlobalsInitialized = false;
static bool
is_mouse_in_window (MozQWidget* aWindow, double aMouseX, double aMouseY);
static bool sAltGrModifier = false;
#ifdef MOZ_ENABLE_QTMOBILITY
static QOrientationSensor *gOrientation = nullptr;
static MozQOrientationSensorFilter gOrientationFilter;
#endif
static bool
isContextMenuKeyEvent(const QKeyEvent *qe)
{
uint32_t kc = QtKeyCodeToDOMKeyCode(qe->key());
if (qe->modifiers() & (Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier))
return false;
bool isShift = qe->modifiers() & Qt::ShiftModifier;
return (kc == NS_VK_F10 && isShift) ||
(kc == NS_VK_CONTEXT_MENU && !isShift);
}
static void
InitKeyEvent(WidgetKeyboardEvent &aEvent, QKeyEvent *aQEvent)
{
aEvent.InitBasicModifiers(aQEvent->modifiers() & Qt::ControlModifier,
aQEvent->modifiers() & Qt::AltModifier,
aQEvent->modifiers() & Qt::ShiftModifier,
aQEvent->modifiers() & Qt::MetaModifier);
aEvent.mIsRepeat =
(aEvent.message == NS_KEY_DOWN || aEvent.message == NS_KEY_PRESS) &&
aQEvent->isAutoRepeat();
aEvent.time = 0;
if (sAltGrModifier) {
aEvent.modifiers |= (MODIFIER_CONTROL | MODIFIER_ALT);
}
// The transformations above and in qt for the keyval are not invertible
// so link to the QKeyEvent (which will vanish soon after return from the
// event callback) to give plugins access to hardware_keycode and state.
// (An XEvent would be nice but the QKeyEvent is good enough.)
aEvent.pluginEvent = (void *)aQEvent;
}
nsWindow::nsWindow()
{
LOG(("%s [%p]\n", __PRETTY_FUNCTION__, (void *)this));
mIsTopLevel = false;
mIsDestroyed = false;
mIsShown = false;
mEnabled = true;
mWidget = nullptr;
mIsVisible = false;
mActivatePending = false;
mWindowType = eWindowType_child;
mSizeState = nsSizeMode_Normal;
mLastSizeMode = nsSizeMode_Normal;
mPluginType = PluginType_NONE;
mQCursor = Qt::ArrowCursor;
mNeedsResize = false;
mNeedsMove = false;
mListenForResizes = false;
mNeedsShow = false;
mGesturesCancelled = false;
mTimerStarted = false;
mPinchEvent.needDispatch = false;
mMoveEvent.needDispatch = false;
if (!gGlobalsInitialized) {
gfxPlatform::GetPlatform();
gGlobalsInitialized = true;
// It's OK if either of these fail, but it may not be one day.
initialize_prefs();
}
memset(mKeyDownFlags, 0, sizeof(mKeyDownFlags));
mIsTransparent = false;
mCursor = eCursor_standard;
gBufferPixmapUsageCount++;
#if (QT_VERSION > QT_VERSION_CHECK(4,6,0))
if (gSwipeGestureId == Qt::CustomGesture) {
// QGestureRecognizer takes ownership
MozSwipeGestureRecognizer* swipeRecognizer = new MozSwipeGestureRecognizer;
gSwipeGestureId = QGestureRecognizer::registerRecognizer(swipeRecognizer);
}
#endif
}
static inline gfxImageFormat
_depth_to_gfximage_format(int32_t aDepth)
{
switch (aDepth) {
case 32:
return gfxImageFormatARGB32;
case 24:
return gfxImageFormatRGB24;
case 16:
return gfxImageFormatRGB16_565;
default:
return gfxImageFormatUnknown;
}
}
static inline QImage::Format
_gfximage_to_qformat(gfxImageFormat aFormat)
{
switch (aFormat) {
case gfxImageFormatARGB32:
return QImage::Format_ARGB32_Premultiplied;
case gfxImageFormatRGB24:
return QImage::Format_ARGB32;
case gfxImageFormatRGB16_565:
return QImage::Format_RGB16;
default:
return QImage::Format_Invalid;
}
}
static bool
UpdateOffScreenBuffers(int aDepth, QSize aSize, QWidget* aWidget = nullptr)
{
gfxIntSize size(aSize.width(), aSize.height());
if (gBufferSurface) {
if (gBufferMaxSize.width < size.width ||
gBufferMaxSize.height < size.height) {
gBufferSurface = nullptr;
} else
return true;
}
gBufferMaxSize.width = std::max(gBufferMaxSize.width, size.width);
gBufferMaxSize.height = std::max(gBufferMaxSize.height, size.height);
// Check if system depth has related gfxImage format
gfxImageFormat format =
_depth_to_gfximage_format(aDepth);
// Use fallback RGB24 format, Qt will do conversion for us
if (format == gfxImageFormatUnknown)
format = gfxImageFormatRGB24;
#ifdef MOZ_HAVE_SHMIMAGE
if (aWidget) {
if (gfxPlatform::GetPlatform()->ScreenReferenceSurface()->GetType() ==
gfxSurfaceTypeImage) {
gShmImage = nsShmImage::Create(gBufferMaxSize,
DefaultVisualOfScreen(gfxQtPlatform::GetXScreen(aWidget)),
aDepth);
gBufferSurface = gShmImage->AsSurface();
return true;
}
}
#endif
gBufferSurface = gfxPlatform::GetPlatform()->
CreateOffscreenSurface(gBufferMaxSize, gfxASurface::ContentFromFormat(format));
return true;
}
nsWindow::~nsWindow()
{
LOG(("%s [%p]\n", __PRETTY_FUNCTION__, (void *)this));
Destroy();
}
/* static */ void
nsWindow::ReleaseGlobals()
{
}
NS_IMPL_ISUPPORTS_INHERITED1(nsWindow, nsBaseWidget, nsISupportsWeakReference)
NS_IMETHODIMP
nsWindow::ConfigureChildren(const nsTArray<nsIWidget::Configuration>& aConfigurations)
{
for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
const Configuration& configuration = aConfigurations[i];
nsWindow* w = static_cast<nsWindow*>(configuration.mChild);
NS_ASSERTION(w->GetParent() == this,
"Configured widget is not a child");
if (w->mBounds.Size() != configuration.mBounds.Size()) {
w->Resize(configuration.mBounds.x, configuration.mBounds.y,
configuration.mBounds.width, configuration.mBounds.height,
true);
} else if (w->mBounds.TopLeft() != configuration.mBounds.TopLeft()) {
w->Move(configuration.mBounds.x, configuration.mBounds.y);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Destroy(void)
{
if (mIsDestroyed || !mWidget)
return NS_OK;
LOG(("nsWindow::Destroy [%p]\n", (void *)this));
mIsDestroyed = true;
if (gBufferPixmapUsageCount &&
--gBufferPixmapUsageCount == 0) {
gBufferSurface = nullptr;
#ifdef MOZ_HAVE_SHMIMAGE
gShmImage = nullptr;
#endif
#ifdef MOZ_ENABLE_QTMOBILITY
if (gOrientation) {
gOrientation->removeFilter(&gOrientationFilter);
gOrientation->stop();
delete gOrientation;
gOrientation = nullptr;
}
#endif
}
/** Need to clean our LayerManager up while still alive */
if (mLayerManager) {
mLayerManager->Destroy();
}
mLayerManager = nullptr;
// It is safe to call DestroyeCompositor several times (here and
// in the parent class) since it will take effect only once.
// The reason we call it here is because on gtk platforms we need
// to destroy the compositor before we destroy the gdk window (which
// destroys the the gl context attached to it).
DestroyCompositor();
ClearCachedResources();
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
if (rollupListener) {
nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
if (static_cast<nsIWidget *>(this) == rollupWidget) {
rollupListener->Rollup(0, nullptr);
}
}
Show(false);
// walk the list of children and call destroy on them. Have to be
// careful, though -- calling destroy on a kid may actually remove
// it from our child list, losing its sibling links.
for (nsIWidget* kid = mFirstChild; kid; ) {
nsIWidget* next = kid->GetNextSibling();
kid->Destroy();
kid = next;
}
// Destroy thebes surface now. Badness can happen if we destroy
// the surface after its X Window.
mThebesSurface = nullptr;
QWidget *view = nullptr;
QGraphicsScene *scene = nullptr;
if (mWidget) {
if (mIsTopLevel) {
view = GetViewWidget();
scene = mWidget->scene();
}
mWidget->dropReceiver();
// Call deleteLater instead of delete; Qt still needs the object
// to be valid even after sending it a Close event. We could
// also set WA_DeleteOnClose, but this gives us more control.
mWidget->deleteLater();
}
mWidget = nullptr;
OnDestroy();
// tear down some infrastructure after all event handling is finished
delete scene;
delete view;
return NS_OK;
}
void
nsWindow::ClearCachedResources()
{
if (mLayerManager &&
mLayerManager->GetBackendType() == mozilla::layers::LAYERS_BASIC) {
statimLayerManager->ClearCachedResources();
}
for (nsIWidget* kid = mFirstChild; kid; ) {
nsIWidget* next = kid->GetNextSibling();
static_cast<nsWindow*>(kid)->ClearCachedResources();
kid = next;
}
}
NS_IMETHODIMP
nsWindow::SetParent(nsIWidget *aNewParent)
{
NS_ENSURE_ARG_POINTER(aNewParent);
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
nsIWidget* parent = GetParent();
if (parent) {
parent->RemoveChild(this);
}
ReparentNativeWidget(aNewParent);
aNewParent->AddChild(this);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ReparentNativeWidget(nsIWidget *aNewParent)
{
NS_PRECONDITION(aNewParent, "");
MozQWidget* newParent = static_cast<MozQWidget*>(aNewParent->GetNativeData(NS_NATIVE_WINDOW));
NS_ASSERTION(newParent, "Parent widget has a null native window handle");
if (mWidget) {
mWidget->setParentItem(newParent);
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetModal(bool aModal)
{
LOG(("nsWindow::SetModal [%p] %d, widget[%p]\n", (void *)this, aModal, mWidget));
if (mWidget)
mWidget->setModal(aModal);
return NS_OK;
}
bool
nsWindow::IsVisible() const
{
return mIsShown;
}
NS_IMETHODIMP
nsWindow::ConstrainPosition(bool aAllowSlop, int32_t *aX, int32_t *aY)
{
if (mWidget) {
int32_t screenWidth = QApplication::desktop()->width();
int32_t screenHeight = QApplication::desktop()->height();
if (aAllowSlop) {
if (*aX < (kWindowPositionSlop - mBounds.width))
*aX = kWindowPositionSlop - mBounds.width;
if (*aX > (screenWidth - kWindowPositionSlop))
*aX = screenWidth - kWindowPositionSlop;
if (*aY < (kWindowPositionSlop - mBounds.height))
*aY = kWindowPositionSlop - mBounds.height;
if (*aY > (screenHeight - kWindowPositionSlop))
*aY = screenHeight - kWindowPositionSlop;
} else {
if (*aX < 0)
*aX = 0;
if (*aX > (screenWidth - mBounds.width))
*aX = screenWidth - mBounds.width;
if (*aY < 0)
*aY = 0;
if (*aY > (screenHeight - mBounds.height))
*aY = screenHeight - mBounds.height;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Move(double aX, double aY)
{
LOG(("nsWindow::Move [%p] %f %f\n", (void *)this,
aX, aY));
int32_t x = NSToIntRound(aX);
int32_t y = NSToIntRound(aY);
if (mIsTopLevel) {
SetSizeMode(nsSizeMode_Normal);
}
if (x == mBounds.x && y == mBounds.y)
return NS_OK;
mNeedsMove = false;
// update the bounds
QPointF pos( x, y );
if (mIsTopLevel) {
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_OK);
widget->move(x, y);
}
else if (mWidget) {
// the position of the widget is set relative to the parent
// so we map the coordinates accordingly
pos = mWidget->mapFromScene(pos);
pos = mWidget->mapToParent(pos);
mWidget->setPos(pos);
}
mBounds.x = pos.x();
mBounds.y = pos.y();
NotifyRollupGeometryChange();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWindow::SetSizeMode(int32_t aMode)
{
nsresult rv;
LOG(("nsWindow::SetSizeMode [%p] %d\n", (void *)this, aMode));
if (aMode != nsSizeMode_Minimized) {
GetViewWidget()->activateWindow();
}
// Save the requested state.
rv = nsBaseWidget::SetSizeMode(aMode);
// return if there's no shell or our current state is the same as
// the mode we were just set to.
if (!mWidget || mSizeState == mSizeMode) {
return rv;
}
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
switch (aMode) {
case nsSizeMode_Maximized:
widget->showMaximized();
break;
case nsSizeMode_Minimized:
widget->showMinimized();
break;
case nsSizeMode_Fullscreen:
widget->showFullScreen();
break;
default:
// nsSizeMode_Normal, really.
widget->showNormal();
break;
}
mSizeState = mSizeMode;
return rv;
}
// Helper function to recursively find the first parent item that
// is still visible (QGraphicsItem can be hidden even if they are
// set to visible if one of their ancestors is invisible)
static void find_first_visible_parent(QGraphicsItem* aItem, QGraphicsItem*& aVisibleItem)
{
NS_ENSURE_TRUE_VOID(aItem);
aVisibleItem = nullptr;
QGraphicsItem* parItem = nullptr;
while (!aVisibleItem) {
if (aItem->isVisible())
aVisibleItem = aItem;
else {
parItem = aItem->parentItem();
if (parItem)
aItem = parItem;
else {
aItem->setVisible(true);
aVisibleItem = aItem;
}
}
}
}
NS_IMETHODIMP
nsWindow::SetFocus(bool aRaise)
{
// Make sure that our owning widget has focus. If it doesn't try to
// grab it. Note that we don't set our focus flag in this case.
LOGFOCUS((" SetFocus [%p]\n", (void *)this));
if (!mWidget)
return NS_ERROR_FAILURE;
if (mWidget->hasFocus())
return NS_OK;
// Because QGraphicsItem cannot get the focus if they are
// invisible, we look up the chain, for the lowest visible
// parent and focus that one
QGraphicsItem* realFocusItem = nullptr;
find_first_visible_parent(mWidget, realFocusItem);
if (!realFocusItem || realFocusItem->hasFocus())
return NS_OK;
if (aRaise) {
// the raising has to happen on the view widget
QWidget *widget = GetViewWidget();
if (widget)
widget->raise();
realFocusItem->setFocus(Qt::ActiveWindowFocusReason);
}
else
realFocusItem->setFocus(Qt::OtherFocusReason);
// XXXndeakin why is this here? It should dispatch only when the OS
// notifies us.
DispatchActivateEvent();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::GetScreenBounds(nsIntRect &aRect)
{
aRect = nsIntRect(nsIntPoint(0, 0), mBounds.Size());
if (mIsTopLevel) {
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_OK);
QPoint pos = widget->pos();
aRect.MoveTo(pos.x(), pos.y());
}
else {
aRect.MoveTo(WidgetToScreenOffset());
}
LOG(("GetScreenBounds %d %d | %d %d | %d %d\n",
aRect.x, aRect.y,
mBounds.width, mBounds.height,
aRect.width, aRect.height));
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetForegroundColor(const nscolor &aColor)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWindow::SetBackgroundColor(const nscolor &aColor)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWindow::SetCursor(nsCursor aCursor)
{
if (mCursor == aCursor)
return NS_OK;
mCursor = aCursor;
if (mWidget)
mWidget->SetCursor(mCursor);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetCursor(imgIContainer* aCursor,
uint32_t aHotspotX, uint32_t aHotspotY)
{
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsWindow::Invalidate(const nsIntRect &aRect)
{
LOGDRAW(("Invalidate (rect) [%p,%p]: %d %d %d %d\n", (void *)this,
(void*)mWidget,aRect.x, aRect.y, aRect.width, aRect.height));
if (!mWidget)
return NS_OK;
mDirtyScrollArea = mDirtyScrollArea.united(QRect(aRect.x, aRect.y, aRect.width, aRect.height));
mWidget->update(aRect.x, aRect.y, aRect.width, aRect.height);
return NS_OK;
}
// Returns the graphics view widget for this nsWindow by iterating
// the chain of parents until a toplevel window with a view/scene is found.
// (This function always returns something or asserts if the precondition
// is not met)
QWidget* nsWindow::GetViewWidget()
{
NS_ASSERTION(mWidget, "Calling GetViewWidget without mWidget created");
if (!mWidget || !mWidget->scene() || !mWidget->scene()->views().size())
return nullptr;
NS_ASSERTION(mWidget->scene()->views().size() == 1, "Not exactly one view for our scene!");
return mWidget->scene()->views()[0];
}
void*
nsWindow::GetNativeData(uint32_t aDataType)
{
switch (aDataType) {
case NS_NATIVE_WINDOW:
case NS_NATIVE_WIDGET: {
if (!mWidget)
return nullptr;
return mWidget;
break;
}
case NS_NATIVE_PLUGIN_PORT:
return SetupPluginPort();
break;
case NS_NATIVE_DISPLAY:
{
#ifdef MOZ_X11
return gfxQtPlatform::GetXDisplay(GetViewWidget());
#else
return nullptr;
#endif
}
break;
case NS_NATIVE_GRAPHIC: {
return nullptr;
break;
}
case NS_NATIVE_SHELLWIDGET: {
QWidget* widget = nullptr;
if (mWidget && mWidget->scene())
widget = mWidget->scene()->views()[0]->viewport();
return (void *) widget;
}
case NS_NATIVE_SHAREABLE_WINDOW: {
QWidget *widget = GetViewWidget();
return widget ? (void*)widget->winId() : nullptr;
}
default:
NS_WARNING("nsWindow::GetNativeData called with bad value");
return nullptr;
}
}
NS_IMETHODIMP
nsWindow::SetTitle(const nsAString& aTitle)
{
QString qStr(QString::fromUtf16(aTitle.BeginReading(), aTitle.Length()));
if (mIsTopLevel) {
QWidget *widget = GetViewWidget();
if (widget)
widget->setWindowTitle(qStr);
}
else if (mWidget)
mWidget->setWindowTitle(qStr);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetIcon(const nsAString& aIconSpec)
{
if (!mWidget)
return NS_OK;
nsCOMPtr<nsIFile> iconFile;
nsAutoCString path;
nsTArray<nsCString> iconList;
// Look for icons with the following suffixes appended to the base name.
// The last two entries (for the old XPM format) will be ignored unless
// no icons are found using the other suffixes. XPM icons are depricated.
const char extensions[6][7] = { ".png", "16.png", "32.png", "48.png",
".xpm", "16.xpm" };
for (uint32_t i = 0; i < ArrayLength(extensions); i++) {
// Don't bother looking for XPM versions if we found a PNG.
if (i == ArrayLength(extensions) - 2 && iconList.Length())
break;
nsAutoString extension;
extension.AppendASCII(extensions[i]);
ResolveIconName(aIconSpec, extension, getter_AddRefs(iconFile));
if (iconFile) {
iconFile->GetNativePath(path);
iconList.AppendElement(path);
}
}
// leave the default icon intact if no matching icons were found
if (iconList.Length() == 0)
return NS_OK;
return SetWindowIconList(iconList);
}
nsIntPoint
nsWindow::WidgetToScreenOffset()
{
NS_ENSURE_TRUE(mWidget, nsIntPoint(0,0));
QPointF origin(0, 0);
origin = mWidget->mapToScene(origin);
return nsIntPoint(origin.x(), origin.y());
}
NS_IMETHODIMP
nsWindow::EnableDragDrop(bool aEnable)
{
mWidget->setAcceptDrops(aEnable);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::CaptureMouse(bool aCapture)
{
LOG(("CaptureMouse %p\n", (void *)this));
if (!mWidget)
return NS_OK;
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
if (aCapture)
widget->grabMouse();
else
widget->releaseMouse();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::CaptureRollupEvents(nsIRollupListener *aListener,
bool aDoCapture)
{
if (!mWidget)
return NS_OK;
LOG(("CaptureRollupEvents %p\n", (void *)this));
gRollupListener = aDoCapture ? aListener : nullptr;
return NS_OK;
}
bool
nsWindow::CheckForRollup(double aMouseX, double aMouseY,
bool aIsWheel)
{
nsIRollupListener* rollupListener = GetActiveRollupListener();
nsCOMPtr<nsIWidget> rollupWidget;
if (rollupListener) {
rollupWidget = rollupListener->GetRollupWidget();
}
if (!rollupWidget) {
nsBaseWidget::gRollupListener = nullptr;
return false;
}
bool retVal = false;
MozQWidget *currentPopup =
(MozQWidget *)rollupWidget->GetNativeData(NS_NATIVE_WINDOW);
if (!is_mouse_in_window(currentPopup, aMouseX, aMouseY)) {
bool rollup = true;
if (aIsWheel) {
rollup = rollupListener->ShouldRollupOnMouseWheelEvent();
retVal = true;
}
// if we're dealing with menus, we probably have submenus and
// we don't want to rollup if the clickis in a parent menu of
// the current submenu
uint32_t popupsToRollup = UINT32_MAX;
if (rollupListener) {
nsAutoTArray<nsIWidget*, 5> widgetChain;
uint32_t sameTypeCount = rollupListener->GetSubmenuWidgetChain(&widgetChain);
for (uint32_t i=0; i<widgetChain.Length(); ++i) {
nsIWidget* widget = widgetChain[i];
MozQWidget* currWindow =
(MozQWidget*) widget->GetNativeData(NS_NATIVE_WINDOW);
if (is_mouse_in_window(currWindow, aMouseX, aMouseY)) {
if (i < sameTypeCount) {
rollup = false;
}
else {
popupsToRollup = sameTypeCount;
}
break;
}
} // foreach parent menu widget
} // if rollup listener knows about menus
// if we've determined that we should still rollup, do it.
if (rollup) {
retVal = rollupListener->Rollup(popupsToRollup, nullptr);
}
}
return retVal;
}
/* static */
bool
is_mouse_in_window (MozQWidget* aWindow, double aMouseX, double aMouseY)
{
return aWindow->geometry().contains( aMouseX, aMouseY );
}
NS_IMETHODIMP
nsWindow::GetAttention(int32_t aCycleCount)
{
LOG(("nsWindow::GetAttention [%p]\n", (void *)this));
return NS_ERROR_NOT_IMPLEMENTED;
}
#ifdef MOZ_X11
static already_AddRefed<gfxASurface>
GetSurfaceForQWidget(QWidget* aDrawable)
{
nsRefPtr<gfxASurface> result =
new gfxXlibSurface(gfxQtPlatform::GetXDisplay(aDrawable),
aDrawable->winId(),
DefaultVisualOfScreen(gfxQtPlatform::GetXScreen(aDrawable)),
gfxIntSize(aDrawable->size().width(),
aDrawable->size().height()));
return result.forget();
}
#endif
bool
nsWindow::DoPaint(QPainter* aPainter, const QStyleOptionGraphicsItem* aOption, QWidget* aWidget)
{
if (mIsDestroyed) {
LOG(("Expose event on destroyed window [%p] window %p\n",
(void *)this, mWidget));
return false;
}
// Call WillPaintWindow to allow scripts etc. to run before we paint
{
if (mWidgetListener)
mWidgetListener->WillPaintWindow(this);
}
if (!mWidget)
return false;
QRectF r;
if (aOption)
r = aOption->exposedRect;
else
r = mWidget->boundingRect();
if (r.isEmpty())
return nsEventStatus_eIgnore;
if (!mDirtyScrollArea.isEmpty())
mDirtyScrollArea = QRegion();
bool painted = false;
nsIntRect rect(r.x(), r.y(), r.width(), r.height());
nsFastStartup* startup = nsFastStartup::GetSingleton();
if (startup) {
startup->RemoveFakeLayout();
}
gfxQtPlatform::RenderMode renderMode = gfxQtPlatform::GetPlatform()->GetRenderMode();
int depth = aPainter->device()->depth();
nsRefPtr<gfxASurface> targetSurface = nullptr;
if (renderMode == gfxQtPlatform::RENDER_BUFFERED) {
// Prepare offscreen buffers iamge or xlib, depends from paintEngineType
if (!UpdateOffScreenBuffers(depth, QSize(r.width(), r.height())))
return false;
targetSurface = gBufferSurface;
#ifdef CAIRO_HAS_QT_SURFACE
} else if (renderMode == gfxQtPlatform::RENDER_QPAINTER) {
targetSurface = new gfxQPainterSurface(aPainter);
#endif
} else if (renderMode == gfxQtPlatform::RENDER_DIRECT) {
if (!UpdateOffScreenBuffers(depth, aWidget->size(), aWidget)) {
return false;
}
targetSurface = gBufferSurface;
}
if (MOZ_UNLIKELY(!targetSurface))
return false;
nsRefPtr<gfxContext> ctx = new gfxContext(targetSurface);
// We will paint to 0, 0 position in offscrenn buffer
if (renderMode == gfxQtPlatform::RENDER_BUFFERED) {
ctx->Translate(gfxPoint(-r.x(), -r.y()));
}
else if (renderMode == gfxQtPlatform::RENDER_DIRECT) {
gfxMatrix matr;
matr.Translate(gfxPoint(aPainter->transform().dx(), aPainter->transform().dy()));
#ifdef MOZ_ENABLE_QTMOBILITY
// This is needed for rotate transformation on MeeGo
// This will work very slow if pixman does not handle rotation very well
matr.Rotate((M_PI/180) * gOrientationFilter.GetWindowRotationAngle());
NS_ASSERTION(PIXMAN_VERSION > PIXMAN_VERSION_ENCODE(0, 21, 2) ||
!gOrientationFilter.GetWindowRotationAngle(),
"Old pixman and rotate transform, it is going to be slow");
#endif //MOZ_ENABLE_QTMOBILITY
ctx->SetMatrix(matr);
}
{
AutoLayerManagerSetup
setupLayerManager(this, ctx, mozilla::layers::BUFFER_NONE);
if (mWidgetListener) {
nsIntRegion region(rect);
painted = mWidgetListener->PaintWindow(this, region);
}
}
// DispatchEvent can Destroy us (bug 378273), avoid doing any paint
// operations below if that happened - it will lead to XError and exit().
if (MOZ_UNLIKELY(mIsDestroyed))
return painted;
if (!painted)
return false;
LOGDRAW(("[%p] draw done\n", this));
// Handle buffered painting mode
if (renderMode == gfxQtPlatform::RENDER_BUFFERED) {
#if defined(MOZ_X11) && defined(Q_WS_X11)
if (gBufferSurface->GetType() == gfxSurfaceTypeXlib) {
// Paint offscreen pixmap to QPainter
static QPixmap gBufferPixmap;
Drawable draw = static_cast<gfxXlibSurface*>(gBufferSurface.get())->XDrawable();
if (gBufferPixmap.handle() != draw)
gBufferPixmap = QPixmap::fromX11Pixmap(draw, QPixmap::ExplicitlyShared);
XSync(static_cast<gfxXlibSurface*>(gBufferSurface.get())->XDisplay(), False);
aPainter->drawPixmap(QPoint(rect.x, rect.y), gBufferPixmap,
QRect(0, 0, rect.width, rect.height));
} else
#endif
if (gBufferSurface->GetType() == gfxSurfaceTypeImage) {
// in raster mode we can just wrap gBufferImage as QImage and paint directly
gfxImageSurface *imgs = static_cast<gfxImageSurface*>(gBufferSurface.get());
QImage img(imgs->Data(),
imgs->Width(),
imgs->Height(),
imgs->Stride(),
_gfximage_to_qformat(imgs->Format()));
aPainter->drawImage(QPoint(rect.x, rect.y), img,
QRect(0, 0, rect.width, rect.height));
}
} else if (renderMode == gfxQtPlatform::RENDER_DIRECT) {
QRect trans = aPainter->transform().mapRect(r).toRect();
#ifdef MOZ_X11
if (gBufferSurface->GetType() == gfxSurfaceTypeXlib) {
nsRefPtr<gfxASurface> widgetSurface = GetSurfaceForQWidget(aWidget);
nsRefPtr<gfxContext> ctx = new gfxContext(widgetSurface);
ctx->SetSource(gBufferSurface);
ctx->Rectangle(gfxRect(trans.x(), trans.y(), trans.width(), trans.height()), true);
ctx->Clip();
ctx->Fill();
} else
#endif
if (gBufferSurface->GetType() == gfxSurfaceTypeImage) {
#ifdef MOZ_HAVE_SHMIMAGE
if (gShmImage) {
gShmImage->Put(aWidget, trans);
} else
#endif
{
// Qt should take care about optimized rendering on QImage into painter device (gl/fb/image et.c.)
gfxImageSurface *imgs = static_cast<gfxImageSurface*>(gBufferSurface.get());
QImage img(imgs->Data(),
imgs->Width(),
imgs->Height(),
imgs->Stride(),
_gfximage_to_qformat(imgs->Format()));
aPainter->drawImage(trans, img, trans);
}
}
}
ctx = nullptr;
targetSurface = nullptr;
if (mWidgetListener)
mWidgetListener->DidPaintWindow();
// check the return value!
return painted;
}
nsEventStatus
nsWindow::OnMoveEvent(QGraphicsSceneHoverEvent *aEvent)
{
LOG(("configure event [%p] %d %d\n", (void *)this,
aEvent->pos().x(), aEvent->pos().y()));
// can we shortcut?
if (!mWidget || !mWidgetListener)
return nsEventStatus_eIgnore;
if ((mBounds.x == aEvent->pos().x() &&
mBounds.y == aEvent->pos().y()))
{
return nsEventStatus_eIgnore;
}
bool moved = mWidgetListener->WindowMoved(this, aEvent->pos().x(), aEvent->pos().y());
return moved ? nsEventStatus_eConsumeNoDefault : nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::OnResizeEvent(QGraphicsSceneResizeEvent *aEvent)
{
nsIntRect rect;
// Generate XPFE resize event
GetBounds(rect);
rect.width = aEvent->newSize().width();
rect.height = aEvent->newSize().height();
mBounds.width = rect.width;
mBounds.height = rect.height;
nsEventStatus status;
DispatchResizeEvent(rect, status);
return status;
}
nsEventStatus
nsWindow::OnCloseEvent(QCloseEvent *aEvent)
{
if (!mWidgetListener)
return nsEventStatus_eIgnore;
mWidgetListener->RequestWindowClose(this);
return nsEventStatus_eConsumeNoDefault;
}
nsEventStatus
nsWindow::OnEnterNotifyEvent(QGraphicsSceneHoverEvent *aEvent)
{
WidgetMouseEvent event(true, NS_MOUSE_ENTER, this, WidgetMouseEvent::eReal);
event.refPoint.x = nscoord(aEvent->pos().x());
event.refPoint.y = nscoord(aEvent->pos().y());
LOG(("OnEnterNotify: %p\n", (void *)this));
return DispatchEvent(&event);
}
nsEventStatus
nsWindow::OnLeaveNotifyEvent(QGraphicsSceneHoverEvent *aEvent)
{
WidgetMouseEvent event(true, NS_MOUSE_EXIT, this, WidgetMouseEvent::eReal);
event.refPoint.x = nscoord(aEvent->pos().x());
event.refPoint.y = nscoord(aEvent->pos().y());
LOG(("OnLeaveNotify: %p\n", (void *)this));
return DispatchEvent(&event);
}
// Block the mouse events if user was recently executing gestures;
// otherwise there will be also some panning during/after gesture
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
#define CHECK_MOUSE_BLOCKED { \
if (mLastMultiTouchTime.isValid()) { \
if (mLastMultiTouchTime.elapsed() < GESTURES_BLOCK_MOUSE_FOR) \
return nsEventStatus_eIgnore; \
else \
mLastMultiTouchTime = QTime(); \
} \
}
#else
define CHECK_MOUSE_BLOCKED {}
#endif
nsEventStatus
nsWindow::OnMotionNotifyEvent(QPointF aPos, Qt::KeyboardModifiers aModifiers)
{
UserActivity();
CHECK_MOUSE_BLOCKED
mMoveEvent.pos = aPos;
mMoveEvent.modifiers = aModifiers;
mMoveEvent.needDispatch = true;
DispatchMotionToMainThread();
return nsEventStatus_eIgnore;
}
void
nsWindow::InitButtonEvent(WidgetMouseEvent& aMoveEvent,
QGraphicsSceneMouseEvent* aEvent,
int aClickCount)
{
aMoveEvent.refPoint.x = nscoord(aEvent->pos().x());
aMoveEvent.refPoint.y = nscoord(aEvent->pos().y());
aMoveEvent.InitBasicModifiers(aEvent->modifiers() & Qt::ControlModifier,
aEvent->modifiers() & Qt::AltModifier,
aEvent->modifiers() & Qt::ShiftModifier,
aEvent->modifiers() & Qt::MetaModifier);
aMoveEvent.clickCount = aClickCount;
}
nsEventStatus
nsWindow::OnButtonPressEvent(QGraphicsSceneMouseEvent *aEvent)
{
// The user has done something.
UserActivity();
CHECK_MOUSE_BLOCKED
QPointF pos = aEvent->pos();
// we check against the widgets geometry, so use parent coordinates
// for the check
if (mWidget)
pos = mWidget->mapToParent(pos);
if (CheckForRollup( pos.x(), pos.y(), false))
return nsEventStatus_eIgnore;
uint16_t domButton;
switch (aEvent->button()) {
case Qt::MidButton:
domButton = WidgetMouseEvent::eMiddleButton;
break;
case Qt::RightButton:
domButton = WidgetMouseEvent::eRightButton;
break;
default:
domButton = WidgetMouseEvent::eLeftButton;
break;
}
WidgetMouseEvent event(true, NS_MOUSE_BUTTON_DOWN, this,
WidgetMouseEvent::eReal);
event.button = domButton;
InitButtonEvent(event, aEvent, 1);
LOG(("%s [%p] button: %d\n", __PRETTY_FUNCTION__, (void*)this, domButton));
nsEventStatus status = DispatchEvent(&event);
// right menu click on linux should also pop up a context menu
if (domButton == WidgetMouseEvent::eRightButton &&
MOZ_LIKELY(!mIsDestroyed)) {
WidgetMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, this,
WidgetMouseEvent::eReal);
InitButtonEvent(contextMenuEvent, aEvent, 1);
DispatchEvent(&contextMenuEvent, status);
}
return status;
}
nsEventStatus
nsWindow::OnButtonReleaseEvent(QGraphicsSceneMouseEvent *aEvent)
{
UserActivity();
CHECK_MOUSE_BLOCKED
// The user has done something.
UserActivity();
uint16_t domButton;
switch (aEvent->button()) {
case Qt::MidButton:
domButton = WidgetMouseEvent::eMiddleButton;
break;
case Qt::RightButton:
domButton = WidgetMouseEvent::eRightButton;
break;
default:
domButton = WidgetMouseEvent::eLeftButton;
break;
}
LOG(("%s [%p] button: %d\n", __PRETTY_FUNCTION__, (void*)this, domButton));
WidgetMouseEvent event(true, NS_MOUSE_BUTTON_UP, this,
WidgetMouseEvent::eReal);
event.button = domButton;
InitButtonEvent(event, aEvent, 1);
nsEventStatus status = DispatchEvent(&event);
return status;
}
nsEventStatus
nsWindow::OnMouseDoubleClickEvent(QGraphicsSceneMouseEvent *aEvent)
{
uint32_t eventType;
switch (aEvent->button()) {
case Qt::MidButton:
eventType = WidgetMouseEvent::eMiddleButton;
break;
case Qt::RightButton:
eventType = WidgetMouseEvent::eRightButton;
break;
default:
eventType = WidgetMouseEvent::eLeftButton;
break;
}
WidgetMouseEvent event(true, NS_MOUSE_DOUBLECLICK, this,
WidgetMouseEvent::eReal);
event.button = eventType;
InitButtonEvent(event, aEvent, 2);
//pressed
return DispatchEvent(&event);
}
nsEventStatus
nsWindow::OnFocusInEvent(QEvent *aEvent)
{
LOGFOCUS(("OnFocusInEvent [%p]\n", (void *)this));
if (!mWidget)
return nsEventStatus_eIgnore;
DispatchActivateEventOnTopLevelWindow();
LOGFOCUS(("Events sent from focus in event [%p]\n", (void *)this));
return nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::OnFocusOutEvent(QEvent *aEvent)
{
LOGFOCUS(("OnFocusOutEvent [%p]\n", (void *)this));
if (!mWidget)
return nsEventStatus_eIgnore;
DispatchDeactivateEventOnTopLevelWindow();
LOGFOCUS(("Done with container focus out [%p]\n", (void *)this));
return nsEventStatus_eIgnore;
}
inline bool
is_latin_shortcut_key(quint32 aKeyval)
{
return ((Qt::Key_0 <= aKeyval && aKeyval <= Qt::Key_9) ||
(Qt::Key_A <= aKeyval && aKeyval <= Qt::Key_Z));
}
nsEventStatus
nsWindow::DispatchCommandEvent(nsIAtom* aCommand)
{
WidgetCommandEvent event(true, nsGkAtoms::onAppCommand, aCommand, this);
nsEventStatus status;
DispatchEvent(&event, status);
return status;
}
nsEventStatus
nsWindow::DispatchContentCommandEvent(int32_t aMsg)
{
WidgetContentCommandEvent event(true, aMsg, this);
nsEventStatus status;
DispatchEvent(&event, status);
return status;
}
nsEventStatus
nsWindow::OnKeyPressEvent(QKeyEvent *aEvent)
{
LOGFOCUS(("OnKeyPressEvent [%p]\n", (void *)this));
// The user has done something.
UserActivity();
if (aEvent->key() == Qt::Key_AltGr) {
sAltGrModifier = true;
}
#ifdef MOZ_X11
// before we dispatch a key, check if it's the context menu key.
// If so, send a context menu key event instead.
if (isContextMenuKeyEvent(aEvent)) {
WidgetMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, this,
WidgetMouseEvent::eReal,
WidgetMouseEvent::eContextMenuKey);
//keyEventToContextMenuEvent(&event, &contextMenuEvent);
return DispatchEvent(&contextMenuEvent);
}
uint32_t domCharCode = 0;
uint32_t domKeyCode = QtKeyCodeToDOMKeyCode(aEvent->key());
// get keymap and modifier map from the Xserver
Display *display = mozilla::DefaultXDisplay();
int x_min_keycode = 0, x_max_keycode = 0, xkeysyms_per_keycode;
XDisplayKeycodes(display, &x_min_keycode, &x_max_keycode);
XModifierKeymap *xmodmap = XGetModifierMapping(display);
if (!xmodmap)
return nsEventStatus_eIgnore;
KeySym *xkeymap = XGetKeyboardMapping(display, x_min_keycode, x_max_keycode - x_min_keycode,
&xkeysyms_per_keycode);
if (!xkeymap) {
XFreeModifiermap(xmodmap);
return nsEventStatus_eIgnore;
}
// create modifier masks
qint32 shift_mask = 0, shift_lock_mask = 0, caps_lock_mask = 0, num_lock_mask = 0;
for (int i = 0; i < 8 * xmodmap->max_keypermod; ++i) {
qint32 maskbit = 1 << (i / xmodmap->max_keypermod);
KeyCode modkeycode = xmodmap->modifiermap[i];
if (modkeycode == NoSymbol) {
continue;
}
quint32 mapindex = (modkeycode - x_min_keycode) * xkeysyms_per_keycode;
for (int j = 0; j < xkeysyms_per_keycode; ++j) {
KeySym modkeysym = xkeymap[mapindex + j];
switch (modkeysym) {
case XK_Num_Lock:
num_lock_mask |= maskbit;
break;
case XK_Caps_Lock:
caps_lock_mask |= maskbit;
break;
case XK_Shift_Lock:
shift_lock_mask |= maskbit;
break;
case XK_Shift_L:
case XK_Shift_R:
shift_mask |= maskbit;
break;
}
}
}
// indicate whether is down or not
bool shift_state = ((shift_mask & aEvent->nativeModifiers()) != 0) ^
(bool)(shift_lock_mask & aEvent->nativeModifiers());
bool capslock_state = (bool)(caps_lock_mask & aEvent->nativeModifiers());
// try to find a keysym that we can translate to a DOMKeyCode
// this is needed because some of Qt's keycodes cannot be translated
// TODO: use US keyboard keymap instead of localised keymap
if (!domKeyCode &&
aEvent->nativeScanCode() >= (quint32)x_min_keycode &&
aEvent->nativeScanCode() <= (quint32)x_max_keycode) {
int index = (aEvent->nativeScanCode() - x_min_keycode) * xkeysyms_per_keycode;
for(int i = 0; (i < xkeysyms_per_keycode) && (domKeyCode == (quint32)NoSymbol); ++i) {
domKeyCode = QtKeyCodeToDOMKeyCode(xkeymap[index + i]);
}
}
// store character in domCharCode
if (aEvent->text().length() && aEvent->text()[0].isPrint())
domCharCode = (int32_t) aEvent->text()[0].unicode();
KeyNameIndex keyNameIndex =
domCharCode ? KEY_NAME_INDEX_PrintableKey :
QtKeyCodeToDOMKeyNameIndex(aEvent->key());
// If the key isn't autorepeat, we need to send the initial down event
if (!aEvent->isAutoRepeat() && !IsKeyDown(domKeyCode)) {
// send the key down event
SetKeyDownFlag(domKeyCode);
WidgetKeyboardEvent downEvent(true, NS_KEY_DOWN, this);
InitKeyEvent(downEvent, aEvent);
downEvent.keyCode = domKeyCode;
downEvent.mKeyNameIndex = keyNameIndex;
nsEventStatus status = DispatchEvent(&downEvent);
// DispatchEvent can Destroy us (bug 378273)
if (MOZ_UNLIKELY(mIsDestroyed)) {
qWarning() << "Returning[" << __LINE__ << "]: " << "Window destroyed";
return status;
}
// If prevent default on keydown, don't dispatch keypress event
if (status == nsEventStatus_eConsumeNoDefault) {
return nsEventStatus_eConsumeNoDefault;
}
}
// Don't pass modifiers as NS_KEY_PRESS events.
// Instead of selectively excluding some keys from NS_KEY_PRESS events,
// we instead selectively include (as per MSDN spec
// ( http://msdn.microsoft.com/en-us/library/system.windows.forms.control.keypress%28VS.71%29.aspx );
// no official spec covers KeyPress events).
if (aEvent->key() == Qt::Key_Shift ||
aEvent->key() == Qt::Key_Control ||
aEvent->key() == Qt::Key_Meta ||
aEvent->key() == Qt::Key_Alt ||
aEvent->key() == Qt::Key_AltGr) {
return nsEventStatus_eIgnore;
}
// Look for specialized app-command keys
switch (aEvent->key()) {
case Qt::Key_Back:
return DispatchCommandEvent(nsGkAtoms::Back);
case Qt::Key_Forward:
return DispatchCommandEvent(nsGkAtoms::Forward);
case Qt::Key_Refresh:
return DispatchCommandEvent(nsGkAtoms::Reload);
case Qt::Key_Stop:
return DispatchCommandEvent(nsGkAtoms::Stop);
case Qt::Key_Search:
return DispatchCommandEvent(nsGkAtoms::Search);
case Qt::Key_Favorites:
return DispatchCommandEvent(nsGkAtoms::Bookmarks);
case Qt::Key_HomePage:
return DispatchCommandEvent(nsGkAtoms::Home);
case Qt::Key_Copy:
case Qt::Key_F16: // F16, F20, F18, F14 are old keysyms for Copy Cut Paste Undo
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_COPY);
case Qt::Key_Cut:
case Qt::Key_F20:
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_CUT);
case Qt::Key_Paste:
case Qt::Key_F18:
case Qt::Key_F9:
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_PASTE);
case Qt::Key_F14:
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_UNDO);
}
// Qt::Key_Redo and Qt::Key_Undo are not available yet.
if (aEvent->nativeVirtualKey() == 0xff66) {
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_REDO);
}
if (aEvent->nativeVirtualKey() == 0xff65) {
return DispatchContentCommandEvent(NS_CONTENT_COMMAND_UNDO);
}
WidgetKeyboardEvent event(true, NS_KEY_PRESS, this);
InitKeyEvent(event, aEvent);
// If there is no charcode attainable from the text, try to
// generate it from the keycode. Check shift state for case
// Also replace the charcode if ControlModifier is the only
// pressed Modifier
if ((!domCharCode) &&
(QApplication::keyboardModifiers() &
(Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier))) {
// get a character from X11 key map
KeySym keysym = aEvent->nativeVirtualKey();
if (keysym) {
domCharCode = (uint32_t) keysym2ucs(keysym);
if (domCharCode == -1 || !QChar((quint32)domCharCode).isPrint()) {
domCharCode = 0;
}
}
// if Ctrl is pressed and domCharCode is not a ASCII character
if (domCharCode > 0xFF && (QApplication::keyboardModifiers() & Qt::ControlModifier)) {
// replace Unicode character
int index = (aEvent->nativeScanCode() - x_min_keycode) * xkeysyms_per_keycode;
for (int i = 0; i < xkeysyms_per_keycode; ++i) {
if (xkeymap[index + i] <= 0xFF && !shift_state) {
domCharCode = (uint32_t) QChar::toLower((uint) xkeymap[index + i]);
break;
}
}
}
} else { // The key event should cause a character input.
// At that time, we need to reset the modifiers
// because nsEditor will not accept a key event
// for text input if one or more modifiers are set.
event.modifiers &= ~(MODIFIER_CONTROL |
MODIFIER_ALT |
MODIFIER_META);
}
KeySym keysym = NoSymbol;
int index = (aEvent->nativeScanCode() - x_min_keycode) * xkeysyms_per_keycode;
for (int i = 0; i < xkeysyms_per_keycode; ++i) {
if (xkeymap[index + i] == aEvent->nativeVirtualKey()) {
if ((i % 2) == 0) { // shifted char
keysym = xkeymap[index + i + 1];
break;
} else { // unshifted char
keysym = xkeymap[index + i - 1];
break;
}
}
if (xkeysyms_per_keycode - 1 == i) {
qWarning() << "Symbol '" << aEvent->nativeVirtualKey() << "' not found";
}
}
QChar unshiftedChar(domCharCode);
long ucs = keysym2ucs(keysym);
ucs = ucs == -1 ? 0 : ucs;
QChar shiftedChar((uint)ucs);
// append alternativeCharCodes if modifier is pressed
// append an additional alternativeCharCodes if domCharCode is not a Latin character
// and if one of these modifiers is pressed (i.e. Ctrl, Alt, Meta)
if (domCharCode &&
(QApplication::keyboardModifiers() &
(Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier))) {
event.charCode = domCharCode;
event.keyCode = 0;
AlternativeCharCode altCharCode(0, 0);
// if character has a lower and upper representation
if ((unshiftedChar.isUpper() || unshiftedChar.isLower()) &&
unshiftedChar.toLower() == shiftedChar.toLower()) {
if (shift_state ^ capslock_state) {
altCharCode.mUnshiftedCharCode = (uint32_t) QChar::toUpper((uint)domCharCode);
altCharCode.mShiftedCharCode = (uint32_t) QChar::toLower((uint)domCharCode);
} else {
altCharCode.mUnshiftedCharCode = (uint32_t) QChar::toLower((uint)domCharCode);
altCharCode.mShiftedCharCode = (uint32_t) QChar::toUpper((uint)domCharCode);
}
} else {
altCharCode.mUnshiftedCharCode = (uint32_t) unshiftedChar.unicode();
altCharCode.mShiftedCharCode = (uint32_t) shiftedChar.unicode();
}
// append alternative char code to event
if ((altCharCode.mUnshiftedCharCode && altCharCode.mUnshiftedCharCode != domCharCode) ||
(altCharCode.mShiftedCharCode && altCharCode.mShiftedCharCode != domCharCode)) {
event.alternativeCharCodes.AppendElement(altCharCode);
}
// check if the alternative char codes are latin-1
if (altCharCode.mUnshiftedCharCode > 0xFF || altCharCode.mShiftedCharCode > 0xFF) {
altCharCode.mUnshiftedCharCode = altCharCode.mShiftedCharCode = 0;
// find latin char for keycode
KeySym keysym = NoSymbol;
int index = (aEvent->nativeScanCode() - x_min_keycode) * xkeysyms_per_keycode;
// find first shifted and unshifted Latin-Char in XKeyMap
for (int i = 0; i < xkeysyms_per_keycode; ++i) {
keysym = xkeymap[index + i];
if (keysym && keysym <= 0xFF) {
if ((shift_state && (i % 2 == 1)) ||
(!shift_state && (i % 2 == 0))) {
altCharCode.mUnshiftedCharCode = altCharCode.mUnshiftedCharCode ?
altCharCode.mUnshiftedCharCode :
keysym;
} else {
altCharCode.mShiftedCharCode = altCharCode.mShiftedCharCode ?
altCharCode.mShiftedCharCode :
keysym;
}
if (altCharCode.mUnshiftedCharCode && altCharCode.mShiftedCharCode) {
break;
}
}
}
if (altCharCode.mUnshiftedCharCode || altCharCode.mShiftedCharCode) {
event.alternativeCharCodes.AppendElement(altCharCode);
}
}
} else {
event.charCode = domCharCode;
}
if (xmodmap) {
XFreeModifiermap(xmodmap);
}
if (xkeymap) {
XFree(xkeymap);
}
event.keyCode = domCharCode ? 0 : domKeyCode;
event.mKeyNameIndex = keyNameIndex;
// send the key press event
return DispatchEvent(&event);
#else
//:TODO: fix shortcuts hebrew for non X11,
//see Bug 562195##51
// before we dispatch a key, check if it's the context menu key.
// If so, send a context menu key event instead.
if (isContextMenuKeyEvent(aEvent)) {
WidgetMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, this,
WidgetMouseEvent::eReal,
WidgetMouseEvent::eContextMenuKey);
//keyEventToContextMenuEvent(&event, &contextMenuEvent);
return DispatchEvent(&contextMenuEvent);
}
uint32_t domCharCode = 0;
uint32_t domKeyCode = QtKeyCodeToDOMKeyCode(aEvent->key());
if (aEvent->text().length() && aEvent->text()[0].isPrint())
domCharCode = (int32_t) aEvent->text()[0].unicode();
KeyNameIndex keyNameIndex =
domCharCode ? KEY_NAME_INDEX_PrintableKey :
QtKeyCodeToDOMKeyNameIndex(aEvent->key());
// If the key isn't autorepeat, we need to send the initial down event
if (!aEvent->isAutoRepeat() && !IsKeyDown(domKeyCode)) {
// send the key down event
SetKeyDownFlag(domKeyCode);
WidgetKeyboardEvent downEvent(true, NS_KEY_DOWN, this);
InitKeyEvent(downEvent, aEvent);
downEvent.keyCode = domKeyCode;
downEvent.mKeyNameIndex = keyNameIndex;
nsEventStatus status = DispatchEvent(&downEvent);
// If prevent default on keydown, don't dispatch keypress event
if (status == nsEventStatus_eConsumeNoDefault) {
return nsEventStatus_eConsumeNoDefault;
}
}
WidgetKeyboardEvent event(true, NS_KEY_PRESS, this);
InitKeyEvent(event, aEvent);
event.charCode = domCharCode;
event.keyCode = domCharCode ? 0 : domKeyCode;
event.mKeyNameIndex = keyNameIndex;
// send the key press event
return DispatchEvent(&event);
#endif
}
nsEventStatus
nsWindow::OnKeyReleaseEvent(QKeyEvent *aEvent)
{
LOGFOCUS(("OnKeyReleaseEvent [%p]\n", (void *)this));
// The user has done something.
UserActivity();
if (isContextMenuKeyEvent(aEvent)) {
// er, what do we do here? DoDefault or NoDefault?
return nsEventStatus_eConsumeDoDefault;
}
uint32_t domKeyCode = QtKeyCodeToDOMKeyCode(aEvent->key());
#ifdef MOZ_X11
if (!domKeyCode) {
// get keymap from the Xserver
Display *display = mozilla::DefaultXDisplay();
int x_min_keycode = 0, x_max_keycode = 0, xkeysyms_per_keycode;
XDisplayKeycodes(display, &x_min_keycode, &x_max_keycode);
KeySym *xkeymap = XGetKeyboardMapping(display, x_min_keycode, x_max_keycode - x_min_keycode,
&xkeysyms_per_keycode);
if (aEvent->nativeScanCode() >= (quint32)x_min_keycode &&
aEvent->nativeScanCode() <= (quint32)x_max_keycode) {
int index = (aEvent->nativeScanCode() - x_min_keycode) * xkeysyms_per_keycode;
for(int i = 0; (i < xkeysyms_per_keycode) && (domKeyCode == (quint32)NoSymbol); ++i) {
domKeyCode = QtKeyCodeToDOMKeyCode(xkeymap[index + i]);
}
}
if (xkeymap) {
XFree(xkeymap);
}
}
#endif // MOZ_X11
// send the key event as a key up event
WidgetKeyboardEvent event(true, NS_KEY_UP, this);
InitKeyEvent(event, aEvent);
if (aEvent->key() == Qt::Key_AltGr) {
sAltGrModifier = false;
}
event.keyCode = domKeyCode;
event.mKeyNameIndex =
(aEvent->text().length() && aEvent->text()[0].isPrint()) ?
KEY_NAME_INDEX_PrintableKey :
QtKeyCodeToDOMKeyNameIndex(aEvent->key());
// unset the key down flag
ClearKeyDownFlag(event.keyCode);
return DispatchEvent(&event);
}
nsEventStatus
nsWindow::OnScrollEvent(QGraphicsSceneWheelEvent *aEvent)
{
// check to see if we should rollup
WidgetWheelEvent wheelEvent(true, NS_WHEEL_WHEEL, this);
wheelEvent.deltaMode = nsIDOMWheelEvent::DOM_DELTA_LINE;
// negative values for aEvent->delta indicate downward scrolling;
// this is opposite Gecko usage.
// TODO: Store the unused delta values due to fraction round and add it
// to next event. The stored values should be reset by other
// direction scroll event.
int32_t delta = (int)(aEvent->delta() / WHEEL_DELTA) * -3;
switch (aEvent->orientation()) {
case Qt::Vertical:
wheelEvent.deltaY = wheelEvent.lineOrPageDeltaY = delta;
break;
case Qt::Horizontal:
wheelEvent.deltaX = wheelEvent.lineOrPageDeltaX = delta;
break;
default:
Q_ASSERT(0);
break;
}
wheelEvent.refPoint.x = nscoord(aEvent->scenePos().x());
wheelEvent.refPoint.y = nscoord(aEvent->scenePos().y());
wheelEvent.InitBasicModifiers(aEvent->modifiers() & Qt::ControlModifier,
aEvent->modifiers() & Qt::AltModifier,
aEvent->modifiers() & Qt::ShiftModifier,
aEvent->modifiers() & Qt::MetaModifier);
wheelEvent.time = 0;
return DispatchEvent(&wheelEvent);
}
nsEventStatus
nsWindow::showEvent(QShowEvent *)
{
LOG(("%s [%p]\n", __PRETTY_FUNCTION__,(void *)this));
mIsVisible = true;
return nsEventStatus_eConsumeDoDefault;
}
nsEventStatus
nsWindow::hideEvent(QHideEvent *)
{
LOG(("%s [%p]\n", __PRETTY_FUNCTION__,(void *)this));
mIsVisible = false;
return nsEventStatus_eConsumeDoDefault;
}
//Gestures are only supported in 4.6.0 >
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
nsEventStatus nsWindow::OnTouchEvent(QTouchEvent *event, bool &handled)
{
handled = false;
const QList<QTouchEvent::TouchPoint> &touchPoints = event->touchPoints();
if (event->type() == QEvent::TouchBegin) {
handled = true;
for (int i = touchPoints.count() -1; i >= 0; i--) {
QPointF fpos = touchPoints[i].pos();
WidgetGestureNotifyEvent gestureNotifyEvent(true,
NS_GESTURENOTIFY_EVENT_START, this);
gestureNotifyEvent.refPoint = LayoutDeviceIntPoint(fpos.x(), fpos.y());
DispatchEvent(&gestureNotifyEvent);
}
}
else if (event->type() == QEvent::TouchEnd) {
mGesturesCancelled = false;
mPinchEvent.needDispatch = false;
}
if (touchPoints.count() > 0) {
// Remember start touch point in order to use it for
// distance calculation in NS_SIMPLE_GESTURE_MAGNIFY_UPDATE
mPinchEvent.touchPoint = touchPoints.at(0).pos();
}
return nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::OnGestureEvent(QGestureEvent* event, bool &handled) {
handled = false;
if (mGesturesCancelled) {
return nsEventStatus_eIgnore;
}
nsEventStatus result = nsEventStatus_eIgnore;
QGesture* gesture = event->gesture(Qt::PinchGesture);
if (gesture) {
QPinchGesture* pinch = static_cast<QPinchGesture*>(gesture);
handled = true;
mPinchEvent.centerPoint =
mWidget->mapFromScene(event->mapToGraphicsScene(pinch->centerPoint()));
nsIntPoint centerPoint(mPinchEvent.centerPoint.x(),
mPinchEvent.centerPoint.y());
if (pinch->state() == Qt::GestureStarted) {
event->accept();
mPinchEvent.startDistance = DistanceBetweenPoints(mPinchEvent.centerPoint, mPinchEvent.touchPoint) * 2;
mPinchEvent.prevDistance = mPinchEvent.startDistance;
result = DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY_START,
0, 0, centerPoint);
}
else if (pinch->state() == Qt::GestureUpdated) {
mPinchEvent.needDispatch = true;
mPinchEvent.delta = 0;
DispatchMotionToMainThread();
}
else if (pinch->state() == Qt::GestureFinished) {
double distance = DistanceBetweenPoints(mPinchEvent.centerPoint, mPinchEvent.touchPoint) * 2;
double delta = distance - mPinchEvent.startDistance;
result = DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY,
0, delta, centerPoint);
mPinchEvent.needDispatch = false;
}
else {
handled = false;
}
//Disable mouse events when gestures are used, because they cause problems with
//Fennec
mLastMultiTouchTime.start();
}
gesture = event->gesture(gSwipeGestureId);
if (gesture) {
if (gesture->state() == Qt::GestureStarted) {
event->accept();
}
if (gesture->state() == Qt::GestureFinished) {
event->accept();
handled = true;
MozSwipeGesture* swipe = static_cast<MozSwipeGesture*>(gesture);
nsIntPoint hotspot;
hotspot.x = swipe->hotSpot().x();
hotspot.y = swipe->hotSpot().y();
// Cancel pinch gesture
mGesturesCancelled = true;
mPinchEvent.needDispatch = false;
double distance = DistanceBetweenPoints(swipe->hotSpot(), mPinchEvent.touchPoint) * 2;
double delta = distance - mPinchEvent.startDistance;
DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY, 0, delta / 2, hotspot);
result = DispatchGestureEvent(NS_SIMPLE_GESTURE_SWIPE,
swipe->Direction(), 0, hotspot);
}
mLastMultiTouchTime.start();
}
return result;
}
nsEventStatus
nsWindow::DispatchGestureEvent(uint32_t aMsg, uint32_t aDirection,
double aDelta, const nsIntPoint& aRefPoint)
{
WidgetSimpleGestureEvent mozGesture(true, aMsg, this, 0, 0.0);
mozGesture.direction = aDirection;
mozGesture.delta = aDelta;
mozGesture.refPoint = LayoutDeviceIntPoint::FromUntyped(aRefPoint);
Qt::KeyboardModifiers modifiers = QApplication::keyboardModifiers();
mozGesture.InitBasicModifiers(modifiers & Qt::ControlModifier,
modifiers & Qt::AltModifier,
modifiers & Qt::ShiftModifier,
false);
mozGesture.button = 0;
mozGesture.time = 0;
return DispatchEvent(&mozGesture);
}
double
nsWindow::DistanceBetweenPoints(const QPointF &aFirstPoint, const QPointF &aSecondPoint)
{
double result = 0;
double deltaX = abs(aFirstPoint.x() - aSecondPoint.x());
double deltaY = abs(aFirstPoint.y() - aSecondPoint.y());
result = sqrt(deltaX*deltaX + deltaY*deltaY);
return result;
}
#endif //qt version check
void
nsWindow::ThemeChanged()
{
NotifyThemeChanged();
}
nsEventStatus
nsWindow::OnDragMotionEvent(QGraphicsSceneDragDropEvent *aEvent)
{
LOG(("nsWindow::OnDragMotionSignal\n"));
WidgetMouseEvent event(true, NS_DRAGDROP_OVER, 0, WidgetMouseEvent::eReal);
return nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::OnDragLeaveEvent(QGraphicsSceneDragDropEvent *aEvent)
{
// XXX Do we want to pass this on only if the event's subwindow is null?
LOG(("nsWindow::OnDragLeaveSignal(%p)\n", this));
WidgetMouseEvent event(true, NS_DRAGDROP_EXIT, this,
WidgetMouseEvent::eReal);
return DispatchEvent(&event);
}
nsEventStatus
nsWindow::OnDragDropEvent(QGraphicsSceneDragDropEvent *aDropEvent)
{
if (aDropEvent->proposedAction() == Qt::CopyAction)
{
printf("text version of the data: %s\n", aDropEvent->mimeData()->text().toUtf8().data());
aDropEvent->acceptProposedAction();
}
LOG(("nsWindow::OnDragDropSignal\n"));
WidgetMouseEvent event(true, NS_DRAGDROP_OVER, 0, WidgetMouseEvent::eReal);
return nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::OnDragEnter(QGraphicsSceneDragDropEvent *aDragEvent)
{
// Is it some format we think we can support?
if ( aDragEvent->mimeData()->hasFormat(kURLMime)
|| aDragEvent->mimeData()->hasFormat(kURLDataMime)
|| aDragEvent->mimeData()->hasFormat(kURLDescriptionMime)
|| aDragEvent->mimeData()->hasFormat(kHTMLMime)
|| aDragEvent->mimeData()->hasFormat(kUnicodeMime)
|| aDragEvent->mimeData()->hasFormat(kTextMime)
)
{
aDragEvent->acceptProposedAction();
}
// XXX Do we want to pass this on only if the event's subwindow is null?
LOG(("nsWindow::OnDragEnter(%p)\n", this));
WidgetMouseEvent event(true, NS_DRAGDROP_ENTER, this,
WidgetMouseEvent::eReal);
return DispatchEvent(&event);
}
static void
GetBrandName(nsXPIDLString& brandName)
{
nsCOMPtr<nsIStringBundleService> bundleService =
mozilla::services::GetStringBundleService();
nsCOMPtr<nsIStringBundle> bundle;
if (bundleService)
bundleService->CreateBundle(
"chrome://branding/locale/brand.properties",
getter_AddRefs(bundle));
if (bundle)
bundle->GetStringFromName(
NS_LITERAL_STRING("brandShortName").get(),
getter_Copies(brandName));
if (brandName.IsEmpty())
brandName.Assign(NS_LITERAL_STRING("Mozilla"));
}
nsresult
nsWindow::Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData)
{
// only set the base parent if we're not going to be a dialog or a
// toplevel
nsIWidget *baseParent = aParent;
if (aInitData &&
(aInitData->mWindowType == eWindowType_dialog ||
aInitData->mWindowType == eWindowType_toplevel ||
aInitData->mWindowType == eWindowType_invisible)) {
baseParent = nullptr;
// also drop native parent for toplevel windows
aNativeParent = nullptr;
}
// initialize all the common bits of this class
BaseCreate(baseParent, aRect, aContext, aInitData);
// and do our common creation
mParent = aParent;
// save our bounds
mBounds = aRect;
// find native parent
MozQWidget *parent = nullptr;
if (aParent != nullptr)
parent = static_cast<MozQWidget*>(aParent->GetNativeData(NS_NATIVE_WIDGET));
// ok, create our QGraphicsWidget
mWidget = createQWidget(parent, aNativeParent, aInitData);
if (!mWidget)
return NS_ERROR_OUT_OF_MEMORY;
LOG(("Create: nsWindow [%p] [%p]\n", (void *)this, (void *)mWidget));
// resize so that everything is set to the right dimensions
Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false);
// check if we should listen for resizes
mListenForResizes = (aNativeParent ||
(aInitData && aInitData->mListenForResizes));
return NS_OK;
}
already_AddRefed<nsIWidget>
nsWindow::CreateChild(const nsIntRect& aRect,
nsDeviceContext* aContext,
nsWidgetInitData* aInitData,
bool /*aForceUseIWidgetParent*/)
{
//We need to force parent widget, otherwise GetTopLevelWindow doesn't work
return nsBaseWidget::CreateChild(aRect,
aContext,
aInitData,
true); // Force parent
}
NS_IMETHODIMP
nsWindow::SetWindowClass(const nsAString &xulWinType)
{
if (!mWidget)
return NS_ERROR_FAILURE;
nsXPIDLString brandName;
GetBrandName(brandName);
#ifdef MOZ_X11
XClassHint *class_hint = XAllocClassHint();
if (!class_hint)
return NS_ERROR_OUT_OF_MEMORY;
const char *role = nullptr;
class_hint->res_name = ToNewCString(xulWinType);
if (!class_hint->res_name) {
XFree(class_hint);
return NS_ERROR_OUT_OF_MEMORY;
}
class_hint->res_class = ToNewCString(brandName);
if (!class_hint->res_class) {
nsMemory::Free(class_hint->res_name);
XFree(class_hint);
return NS_ERROR_OUT_OF_MEMORY;
}
// Parse res_name into a name and role. Characters other than
// [A-Za-z0-9_-] are converted to '_'. Anything after the first
// colon is assigned to role; if there's no colon, assign the
// whole thing to both role and res_name.
for (char *c = class_hint->res_name; *c; c++) {
if (':' == *c) {
*c = 0;
role = c + 1;
}
else if (!isascii(*c) || (!isalnum(*c) && ('_' != *c) && ('-' != *c)))
*c = '_';
}
class_hint->res_name[0] = toupper(class_hint->res_name[0]);
if (!role) role = class_hint->res_name;
QWidget *widget = GetViewWidget();
// If widget not show, handle might be null
if (widget && widget->winId())
XSetClassHint(gfxQtPlatform::GetXDisplay(widget),
widget->winId(),
class_hint);
nsMemory::Free(class_hint->res_class);
nsMemory::Free(class_hint->res_name);
XFree(class_hint);
#endif
return NS_OK;
}
void
nsWindow::NativeResize(int32_t aWidth, int32_t aHeight, bool aRepaint)
{
LOG(("nsWindow::NativeResize [%p] %d %d\n", (void *)this,
aWidth, aHeight));
mNeedsResize = false;
if (mIsTopLevel) {
QGraphicsView *widget = qobject_cast<QGraphicsView*>(GetViewWidget());
NS_ENSURE_TRUE_VOID(widget);
// map from in-scene widget to scene, from scene to view.
QRect r = widget->mapFromScene(mWidget->mapToScene(QRect(0, 0, aWidth, aHeight))).boundingRect();
// going from QPolygon to QRect includes the points, adding one to width and height
r.adjust(0, 0, -1, -1);
widget->resize(r.width(), r.height());
}
else {
mWidget->resize(aWidth, aHeight);
}
if (aRepaint)
mWidget->update();
}
void
nsWindow::NativeResize(int32_t aX, int32_t aY,
int32_t aWidth, int32_t aHeight,
bool aRepaint)
{
LOG(("nsWindow::NativeResize [%p] %d %d %d %d\n", (void *)this,
aX, aY, aWidth, aHeight));
mNeedsResize = false;
mNeedsMove = false;
if (mIsTopLevel) {
QGraphicsView *widget = qobject_cast<QGraphicsView*>(GetViewWidget());
NS_ENSURE_TRUE_VOID(widget);
// map from in-scene widget to scene, from scene to view.
QRect r = widget->mapFromScene(mWidget->mapToScene(QRect(aX, aY, aWidth, aHeight))).boundingRect();
// going from QPolygon to QRect includes the points, adding one to width and height
r.adjust(0, 0, -1, -1);
widget->setGeometry(r.x(), r.y(), r.width(), r.height());
}
else {
mWidget->setGeometry(aX, aY, aWidth, aHeight);
}
if (aRepaint)
mWidget->update();
}
void
nsWindow::NativeShow(bool aAction)
{
if (aAction) {
QWidget *widget = GetViewWidget();
// On e10s, we never want the child process or plugin process
// to go fullscreen because if we do the window because visible
// do to disabled Qt-Xembed
if (widget &&
!widget->isVisible())
MakeFullScreen(mSizeMode == nsSizeMode_Fullscreen);
mWidget->show();
// unset our flag now that our window has been shown
mNeedsShow = false;
}
else
mWidget->hide();
}
NS_IMETHODIMP
nsWindow::SetHasTransparentBackground(bool aTransparent)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsWindow::GetHasTransparentBackground(bool& aTransparent)
{
aTransparent = mIsTransparent;
return NS_OK;
}
void *
nsWindow::SetupPluginPort(void)
{
NS_WARNING("Not implemented");
return nullptr;
}
nsresult
nsWindow::SetWindowIconList(const nsTArray<nsCString> &aIconList)
{
QIcon icon;
for (uint32_t i = 0; i < aIconList.Length(); ++i) {
const char *path = aIconList[i].get();
LOG(("window [%p] Loading icon from %s\n", (void *)this, path));
icon.addFile(path);
}
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
widget->setWindowIcon(icon);
return NS_OK;
}
void
nsWindow::SetDefaultIcon(void)
{
SetIcon(NS_LITERAL_STRING("default"));
}
void nsWindow::QWidgetDestroyed()
{
mWidget = nullptr;
}
NS_IMETHODIMP
nsWindow::MakeFullScreen(bool aFullScreen)
{
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
if (aFullScreen) {
if (mSizeMode != nsSizeMode_Fullscreen)
mLastSizeMode = mSizeMode;
mSizeMode = nsSizeMode_Fullscreen;
widget->showFullScreen();
}
else {
mSizeMode = mLastSizeMode;
switch (mSizeMode) {
case nsSizeMode_Maximized:
widget->showMaximized();
break;
case nsSizeMode_Minimized:
widget->showMinimized();
break;
case nsSizeMode_Normal:
widget->showNormal();
break;
default:
widget->showNormal();
break;
}
}
NS_ASSERTION(mLastSizeMode != nsSizeMode_Fullscreen,
"mLastSizeMode should never be fullscreen");
return nsBaseWidget::MakeFullScreen(aFullScreen);
}
NS_IMETHODIMP
nsWindow::HideWindowChrome(bool aShouldHide)
{
if (!mWidget) {
// Nothing to hide
return NS_ERROR_FAILURE;
}
// Sawfish, metacity, and presumably other window managers get
// confused if we change the window decorations while the window
// is visible.
bool wasVisible = false;
if (mWidget->isVisible()) {
NativeShow(false);
wasVisible = true;
}
if (wasVisible) {
NativeShow(true);
}
// For some window managers, adding or removing window decorations
// requires unmapping and remapping our toplevel window. Go ahead
// and flush the queue here so that we don't end up with a BadWindow
// error later when this happens (when the persistence timer fires
// and GetWindowPos is called)
QWidget *widget = GetViewWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
#ifdef MOZ_X11
XSync(gfxQtPlatform::GetXDisplay(widget), False);
#endif
return NS_OK;
}
//////////////////////////////////////////////////////////////////////
// These are all of our drag and drop operations
void
nsWindow::InitDragEvent(WidgetMouseEvent& aEvent)
{
// set the keyboard modifiers
}
// This will update the drag action based on the information in the
// drag context.
/* static */
nsresult
initialize_prefs(void)
{
// check to see if we should set our raise pref
return NS_OK;
}
inline bool
is_context_menu_key(const WidgetKeyboardEvent& aKeyEvent)
{
return ((aKeyEvent.keyCode == NS_VK_F10 && aKeyEvent.IsShift() &&
!aKeyEvent.IsControl() && !aKeyEvent.IsMeta() &&
!aKeyEvent.IsAlt()) ||
(aKeyEvent.keyCode == NS_VK_CONTEXT_MENU && !aKeyEvent.IsShift() &&
!aKeyEvent.IsControl() && !aKeyEvent.IsMeta() &&
!aKeyEvent.IsAlt()));
}
void
key_event_to_context_menu_event(WidgetMouseEvent& aEvent,
QKeyEvent* aGdkEvent)
{
aEvent.refPoint = LayoutDeviceIntPoint(0, 0);
aEvent.modifiers = 0;
aEvent.time = 0;
aEvent.clickCount = 1;
}
// nsChildWindow class
nsChildWindow::nsChildWindow()
{
}
nsChildWindow::~nsChildWindow()
{
}
nsPopupWindow::nsPopupWindow()
{
#ifdef DEBUG_WIDGETS
qDebug("===================== popup!");
#endif
}
nsPopupWindow::~nsPopupWindow()
{
}
NS_IMETHODIMP_(bool)
nsWindow::HasGLContext()
{
return MozQGLWidgetWrapper::hasGLContext(qobject_cast<QGraphicsView*>(GetViewWidget()));
}
MozQWidget*
nsWindow::createQWidget(MozQWidget *parent,
nsNativeWidget nativeParent,
nsWidgetInitData *aInitData)
{
const char *windowName = nullptr;
Qt::WindowFlags flags = Qt::Widget;
QWidget *parentWidget = (parent && parent->getReceiver()) ?
parent->getReceiver()->GetViewWidget() : nullptr;
#ifdef DEBUG_WIDGETS
qDebug("NEW WIDGET\n\tparent is %p (%s)", (void*)parent,
parent ? qPrintable(parent->objectName()) : "null");
#endif
// ok, create our windows
switch (mWindowType) {
case eWindowType_dialog:
windowName = "topLevelDialog";
mIsTopLevel = true;
flags |= Qt::Dialog;
break;
case eWindowType_popup:
windowName = "topLevelPopup";
break;
case eWindowType_toplevel:
windowName = "topLevelWindow";
mIsTopLevel = true;
break;
case eWindowType_invisible:
windowName = "topLevelInvisible";
break;
case eWindowType_child:
case eWindowType_plugin:
default: // sheet
windowName = "paintArea";
break;
}
MozQWidget* parentQWidget = nullptr;
if (parent) {
parentQWidget = parent;
} else if (nativeParent && nativeParent != PARENTLESS_WIDGET) {
parentQWidget = static_cast<MozQWidget*>(nativeParent);
}
MozQWidget * widget = new MozQWidget(this, parentQWidget);
if (!widget)
return nullptr;
widget->setObjectName(QString(windowName));
// make only child and plugin windows focusable
if (eWindowType_child == mWindowType || eWindowType_plugin == mWindowType) {
widget->setFlag(QGraphicsItem::ItemIsFocusable);
widget->setFocusPolicy(Qt::WheelFocus);
}
// create a QGraphicsView if this is a new toplevel window
if (mIsTopLevel) {
QGraphicsView* newView =
nsFastStartup::GetStartupGraphicsView(parentWidget, widget);
if (mWindowType == eWindowType_dialog) {
newView->setWindowModality(Qt::WindowModal);
}
if (gfxQtPlatform::GetPlatform()->GetRenderMode() == gfxQtPlatform::RENDER_DIRECT) {
// Disable double buffer and system background rendering
#if defined(MOZ_X11) && (QT_VERSION < QT_VERSION_CHECK(5,0,0))
newView->viewport()->setAttribute(Qt::WA_PaintOnScreen, true);
#endif
newView->viewport()->setAttribute(Qt::WA_NoSystemBackground, true);
}
// Enable gestures:
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
#if defined MOZ_ENABLE_MEEGOTOUCH
// Disable default Gesture filters (speedup filtering)
newView->viewport()->ungrabGesture(Qt::PanGesture);
newView->viewport()->ungrabGesture(Qt::TapGesture);
newView->viewport()->ungrabGesture(Qt::TapAndHoldGesture);
newView->viewport()->ungrabGesture(Qt::SwipeGesture);
#endif
// Enable required filters
newView->viewport()->grabGesture(Qt::PinchGesture);
newView->viewport()->grabGesture(gSwipeGestureId);
#endif
newView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
newView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
// Top level widget is just container, and should not be painted
widget->setFlag(QGraphicsItem::ItemHasNoContents);
#endif
#ifdef MOZ_X11
if (newView->effectiveWinId()) {
XSetWindowBackgroundPixmap(mozilla::DefaultXDisplay(),
newView->effectiveWinId(), None);
}
#endif
}
if (mWindowType == eWindowType_popup) {
widget->setZValue(100);
// XXX is this needed for Qt?
// gdk does not automatically set the cursor for "temporary"
// windows, which are what gtk uses for popups.
SetCursor(eCursor_standard);
} else if (mIsTopLevel) {
SetDefaultIcon();
}
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
#if defined MOZ_ENABLE_MEEGOTOUCH
// Disable default Gesture filters (speedup filtering)
widget->ungrabGesture(Qt::PanGesture);
widget->ungrabGesture(Qt::TapGesture);
widget->ungrabGesture(Qt::TapAndHoldGesture);
widget->ungrabGesture(Qt::SwipeGesture);
#endif
widget->grabGesture(Qt::PinchGesture);
widget->grabGesture(gSwipeGestureId);
#endif
return widget;
}
// return the gfxASurface for rendering to this widget
gfxASurface*
nsWindow::GetThebesSurface()
{
/* This is really a dummy surface; this is only used when doing reflow, because
* we need a RenderingContext to measure text against.
*/
if (mThebesSurface)
return mThebesSurface;
#ifdef CAIRO_HAS_QT_SURFACE
gfxQtPlatform::RenderMode renderMode = gfxQtPlatform::GetPlatform()->GetRenderMode();
if (renderMode == gfxQtPlatform::RENDER_QPAINTER) {
mThebesSurface = new gfxQPainterSurface(gfxIntSize(1, 1), GFX_CONTENT_COLOR);
}
#endif
if (!mThebesSurface) {
gfxImageFormat imageFormat = gfxImageFormatRGB24;
mThebesSurface = new gfxImageSurface(gfxIntSize(1, 1), imageFormat);
}
return mThebesSurface;
}
NS_IMETHODIMP
nsWindow::BeginResizeDrag(WidgetGUIEvent* aEvent,
int32_t aHorizontal,
int32_t aVertical)
{
NS_ENSURE_ARG_POINTER(aEvent);
if (aEvent->eventStructType != NS_MOUSE_EVENT) {
// you can only begin a resize drag with a mouse event
return NS_ERROR_INVALID_ARG;
}
if (aEvent->AsMouseEvent()->button != WidgetMouseEvent::eLeftButton) {
// you can only begin a resize drag with the left mouse button
return NS_ERROR_INVALID_ARG;
}
return NS_OK;
}
nsEventStatus
nsWindow::contextMenuEvent(QGraphicsSceneContextMenuEvent *)
{
return nsEventStatus_eIgnore;
}
nsEventStatus
nsWindow::imComposeEvent(QInputMethodEvent *event, bool &handled)
{
// XXX Needs to check whether this widget has been destroyed or not after
// each DispatchEvent().
WidgetCompositionEvent start(true, NS_COMPOSITION_START, this);
DispatchEvent(&start);
nsAutoString compositionStr(event->commitString().utf16());
if (!compositionStr.IsEmpty()) {
WidgetCompositionEvent update(true, NS_COMPOSITION_UPDATE, this);
update.data = compositionStr;
DispatchEvent(&update);
}
WidgetTextEvent text(true, NS_TEXT_TEXT, this);
text.theText = compositionStr;
DispatchEvent(&text);
WidgetCompositionEvent end(true, NS_COMPOSITION_END, this);
end.data = compositionStr;
DispatchEvent(&end);
return nsEventStatus_eIgnore;
}
nsIWidget *
nsWindow::GetParent(void)
{
return mParent;
}
float
nsWindow::GetDPI()
{
QDesktopWidget* rootWindow = QApplication::desktop();
double heightInches = rootWindow->heightMM()/25.4;
if (heightInches < 0.25) {
// Something's broken, but we'd better not crash.
return 96.0f;
}
return float(rootWindow->height()/heightInches);
}
nsEventStatus
nsWindow::DispatchEvent(WidgetGUIEvent* aEvent)
{
nsEventStatus status;
DispatchEvent(aEvent, status);
return status;
}
void
nsWindow::DispatchActivateEvent(void)
{
if (mWidgetListener)
mWidgetListener->WindowActivated();
}
void
nsWindow::DispatchDeactivateEvent(void)
{
if (mWidgetListener)
mWidgetListener->WindowDeactivated();
}
void
nsWindow::DispatchActivateEventOnTopLevelWindow(void)
{
nsWindow * topLevelWindow = static_cast<nsWindow*>(GetTopLevelWidget());
if (topLevelWindow != nullptr)
topLevelWindow->DispatchActivateEvent();
}
void
nsWindow::DispatchDeactivateEventOnTopLevelWindow(void)
{
nsWindow * topLevelWindow = static_cast<nsWindow*>(GetTopLevelWidget());
if (topLevelWindow != nullptr)
topLevelWindow->DispatchDeactivateEvent();
}
void
nsWindow::DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus)
{
aStatus = nsEventStatus_eIgnore;
if (mWidgetListener &&
mWidgetListener->WindowResized(this, aRect.width, aRect.height))
aStatus = nsEventStatus_eConsumeNoDefault;
}
NS_IMETHODIMP
nsWindow::DispatchEvent(WidgetGUIEvent* aEvent, nsEventStatus& aStatus)
{
#ifdef DEBUG
debug_DumpEvent(stdout, aEvent->widget, aEvent,
nsAutoCString("something"), 0);
#endif
aStatus = nsEventStatus_eIgnore;
// send it to the standard callback
if (mWidgetListener)
aStatus = mWidgetListener->HandleEvent(aEvent, mUseAttachedEvents);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Show(bool aState)
{
LOG(("nsWindow::Show [%p] state %d\n", (void *)this, aState));
if (aState == mIsShown)
return NS_OK;
// Clear our cached resources when the window is hidden.
if (mIsShown && !aState) {
ClearCachedResources();
}
mIsShown = aState;
#ifdef MOZ_ENABLE_QTMOBILITY
if (mWidget &&
(mWindowType == eWindowType_toplevel ||
mWindowType == eWindowType_dialog ||
mWindowType == eWindowType_popup))
{
if (!gOrientation) {
gOrientation = new QOrientationSensor();
gOrientation->addFilter(&gOrientationFilter);
gOrientation->start();
if (!gOrientation->isActive()) {
qWarning("Orientationsensor didn't start!");
}
gOrientationFilter.filter(gOrientation->reading());
QObject::connect((QObject*) &gOrientationFilter, SIGNAL(orientationChanged()),
mWidget, SLOT(orientationChanged()));
}
}
#endif
if ((aState && !AreBoundsSane()) || !mWidget) {
LOG(("\tbounds are insane or window hasn't been created yet\n"));
mNeedsShow = true;
return NS_OK;
}
if (aState) {
if (mNeedsMove) {
NativeResize(mBounds.x, mBounds.y, mBounds.width, mBounds.height,
false);
} else if (mNeedsResize) {
NativeResize(mBounds.width, mBounds.height, false);
}
}
else
// If someone is hiding this widget, clear any needing show flag.
mNeedsShow = false;
NativeShow(aState);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Resize(double aWidth, double aHeight, bool aRepaint)
{
mBounds.width = NSToIntRound(aWidth);
mBounds.height = NSToIntRound(aHeight);
if (!mWidget)
return NS_OK;
if (mIsShown) {
if (AreBoundsSane()) {
if (mIsTopLevel || mNeedsShow)
NativeResize(mBounds.x, mBounds.y,
mBounds.width, mBounds.height, aRepaint);
else
NativeResize(mBounds.width, mBounds.height, aRepaint);
// Does it need to be shown because it was previously insane?
if (mNeedsShow)
NativeShow(true);
}
else {
// If someone has set this so that the needs show flag is false
// and it needs to be hidden, update the flag and hide the
// window. This flag will be cleared the next time someone
// hides the window or shows it. It also prevents us from
// calling NativeShow(false) excessively on the window which
// causes unneeded X traffic.
if (!mNeedsShow) {
mNeedsShow = true;
NativeShow(false);
}
}
}
else if (AreBoundsSane() && mListenForResizes) {
// For widgets that we listen for resizes for (widgets created
// with native parents) we apparently _always_ have to resize. I
// dunno why, but apparently we're lame like that.
NativeResize(mBounds.width, mBounds.height, aRepaint);
}
else {
mNeedsResize = true;
}
// synthesize a resize event if this isn't a toplevel
if (mIsTopLevel || mListenForResizes) {
nsEventStatus status;
DispatchResizeEvent(mBounds, status);
}
NotifyRollupGeometryChange();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Resize(double aX, double aY, double aWidth, double aHeight,
bool aRepaint)
{
mBounds.x = NSToIntRound(aX);
mBounds.y = NSToIntRound(aY);
mBounds.width = NSToIntRound(aWidth);
mBounds.height = NSToIntRound(aHeight);
mPlaced = true;
if (!mWidget)
return NS_OK;
// Has this widget been set to visible?
if (mIsShown) {
// Are the bounds sane?
if (AreBoundsSane()) {
// Yep? Resize the window
NativeResize(mBounds.x, mBounds.y, mBounds.width, mBounds.height,
aRepaint);
// Does it need to be shown because it was previously insane?
if (mNeedsShow)
NativeShow(true);
}
else {
// If someone has set this so that the needs show flag is false
// and it needs to be hidden, update the flag and hide the
// window. This flag will be cleared the next time someone
// hides the window or shows it. It also prevents us from
// calling NativeShow(false) excessively on the window which
// causes unneeded X traffic.
if (!mNeedsShow) {
mNeedsShow = true;
NativeShow(false);
}
}
}
// If the widget hasn't been shown, mark the widget as needing to be
// resized before it is shown
else if (AreBoundsSane() && mListenForResizes) {
// For widgets that we listen for resizes for (widgets created
// with native parents) we apparently _always_ have to resize. I
// dunno why, but apparently we're lame like that.
NativeResize(mBounds.x, mBounds.y, mBounds.width, mBounds.height,
aRepaint);
}
else {
mNeedsResize = true;
mNeedsMove = true;
}
if (mIsTopLevel || mListenForResizes) {
// synthesize a resize event
nsEventStatus status;
DispatchResizeEvent(mBounds, status);
}
if (aRepaint)
mWidget->update();
NotifyRollupGeometryChange();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Enable(bool aState)
{
mEnabled = aState;
return NS_OK;
}
bool
nsWindow::IsEnabled() const
{
return mEnabled;
}
void
nsWindow::OnDestroy(void)
{
if (mOnDestroyCalled)
return;
mOnDestroyCalled = true;
// release references to children and device context
nsBaseWidget::OnDestroy();
// let go of our parent
mParent = nullptr;
nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
NotifyWindowDestroyed();
}
bool
nsWindow::AreBoundsSane(void)
{
if (mBounds.width > 0 && mBounds.height > 0)
return true;
return false;
}
NS_IMETHODIMP_(void)
nsWindow::SetInputContext(const InputContext& aContext,
const InputContextAction& aAction)
{
NS_ENSURE_TRUE_VOID(mWidget);
// SetSoftwareKeyboardState uses mInputContext,
// so, before calling that, record aContext in mInputContext.
mInputContext = aContext;
switch (mInputContext.mIMEState.mEnabled) {
case IMEState::ENABLED:
case IMEState::PASSWORD:
case IMEState::PLUGIN:
SetSoftwareKeyboardState(true, aAction);
break;
default:
SetSoftwareKeyboardState(false, aAction);
break;
}
}
NS_IMETHODIMP_(InputContext)
nsWindow::GetInputContext()
{
mInputContext.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
// Our qt widget looks like using only one context per process.
// However, it's better to set the context's pointer.
#if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
mInputContext.mNativeIMEContext = qApp->inputContext();
#else
mInputContext.mNativeIMEContext = qApp->inputMethod();
#endif
return mInputContext;
}
void
nsWindow::SetSoftwareKeyboardState(bool aOpen,
const InputContextAction& aAction)
{
if (aOpen) {
NS_ENSURE_TRUE_VOID(mInputContext.mIMEState.mEnabled !=
IMEState::DISABLED);
// Ensure that opening the virtual keyboard is allowed for this specific
// InputContext depending on the content.ime.strict.policy pref
if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
Preferences::GetBool("content.ime.strict_policy", false) &&
!aAction.ContentGotFocusByTrustedCause() &&
!aAction.UserMightRequestOpenVKB()) {
return;
}
}
if (aOpen) {
// VKB open need to be delayed in order to give
// to plugins chance prevent VKB from opening
int32_t openDelay =
Preferences::GetInt("ui.vkb.open.delay", 200);
MozQWidget::requestVKB(openDelay, mWidget);
} else {
MozQWidget::hideVKB();
}
return;
}
void
nsWindow::UserActivity()
{
if (!mIdleService) {
mIdleService = do_GetService("@mozilla.org/widget/idleservice;1");
}
if (mIdleService) {
mIdleService->ResetIdleTimeOut(0);
}
}
uint32_t
nsWindow::GetGLFrameBufferFormat()
{
if (mLayerManager &&
mLayerManager->GetBackendType() == mozilla::layers::LAYERS_OPENGL) {
return MozQGLWidgetWrapper::isRGBAContext() ? LOCAL_GL_RGBA : LOCAL_GL_RGB;
}
return LOCAL_GL_NONE;
}
void
nsWindow::ProcessMotionEvent()
{
if (mPinchEvent.needDispatch) {
double distance = DistanceBetweenPoints(mPinchEvent.centerPoint,
mPinchEvent.touchPoint);
distance *= 2;
mPinchEvent.delta = distance - mPinchEvent.prevDistance;
nsIntPoint centerPoint(mPinchEvent.centerPoint.x(),
mPinchEvent.centerPoint.y());
DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY_UPDATE,
0, mPinchEvent.delta, centerPoint);
mPinchEvent.prevDistance = distance;
}
if (mMoveEvent.needDispatch) {
WidgetMouseEvent event(true, NS_MOUSE_MOVE, this,
WidgetMouseEvent::eReal);
event.refPoint.x = nscoord(mMoveEvent.pos.x());
event.refPoint.y = nscoord(mMoveEvent.pos.y());
event.InitBasicModifiers(mMoveEvent.modifiers & Qt::ControlModifier,
mMoveEvent.modifiers & Qt::AltModifier,
mMoveEvent.modifiers & Qt::ShiftModifier,
mMoveEvent.modifiers & Qt::MetaModifier);
event.clickCount = 0;
DispatchEvent(&event);
mMoveEvent.needDispatch = false;
}
mTimerStarted = false;
}
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