diff options
author | Peter Varga <pvarga@inf.u-szeged.hu> | 2020-06-09 08:41:17 +0200 |
---|---|---|
committer | Peter Varga <pvarga@inf.u-szeged.hu> | 2020-06-17 16:42:09 +0200 |
commit | 18b86842bf5169cf89e5328c64e5ef67276ece6f (patch) | |
tree | 3b80b6cc63dbccd26b0014a1382b4916f3d74421 /src/core/render_widget_host_view_qt.cpp | |
parent | f92a4b3028f112616dedac892e379a13e3c53bcd (diff) |
Refactor RenderWidgetHostViewQt
Make RenderWidgetHostViewQtDelegateClient class instantiable and remove
its implementation from RenderWidgetHostViewQt.
Change-Id: Idcad3a805defe8b910f418b91f14808b6dbf083b
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>
Diffstat (limited to 'src/core/render_widget_host_view_qt.cpp')
-rw-r--r-- | src/core/render_widget_host_view_qt.cpp | 984 |
1 files changed, 37 insertions, 947 deletions
diff --git a/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp index 95ec20857..27229df81 100644 --- a/src/core/render_widget_host_view_qt.cpp +++ b/src/core/render_widget_host_view_qt.cpp @@ -44,9 +44,8 @@ #include "common/qt_messages.h" #include "qtwebenginecoreglobal_p.h" #include "render_widget_host_view_qt_delegate.h" -#include "touch_handle_drawable_client.h" +#include "render_widget_host_view_qt_delegate_client.h" #include "touch_selection_controller_client_qt.h" -#include "touch_selection_menu_controller.h" #include "type_conversion.h" #include "web_contents_adapter.h" #include "web_contents_adapter_client.h" @@ -57,7 +56,6 @@ #include "components/viz/common/frame_sinks/begin_frame_source.h" #include "components/viz/common/surfaces/frame_sink_id_allocator.h" #include "components/viz/host/host_frame_sink_manager.h" -#include "content/browser/compositor/surface_utils.h" #include "content/browser/frame_host/frame_tree.h" #include "content/browser/frame_host/render_frame_host_impl.h" #include "content/browser/renderer_host/input/synthetic_gesture_target.h" @@ -73,9 +71,7 @@ #include "ui/events/event.h" #include "ui/events/gesture_detection/gesture_configuration.h" #include "ui/events/gesture_detection/gesture_provider_config_helper.h" -#include "ui/events/gesture_detection/motion_event.h" #include "ui/gfx/image/image_skia.h" -#include "ui/touch_selection/touch_selection_controller.h" #if defined(USE_OZONE) #include "ui/base/clipboard/scoped_clipboard_writer.h" @@ -87,23 +83,10 @@ #include "ui/base/resource/resource_bundle.h" #endif -#include <private/qguiapplication_p.h> -#include <qpa/qplatforminputcontext.h> -#include <qpa/qplatformintegration.h> -#include <QEvent> -#include <QFocusEvent> #include <QGuiApplication> -#include <QInputMethodEvent> -#include <QTextFormat> -#include <QKeyEvent> -#include <QMouseEvent> #include <QPixmap> #include <QScreen> -#include <QStyleHints> -#include <QVariant> -#include <QWheelEvent> #include <QWindow> -#include <QtGui/private/qinputcontrol_p.h> namespace QtWebEngineCore { @@ -126,50 +109,6 @@ static inline ui::LatencyInfo CreateLatencyInfo(const blink::WebInputEvent& even return latency_info; } -static inline Qt::InputMethodHints toQtInputMethodHints(ui::TextInputType inputType) -{ - switch (inputType) { - case ui::TEXT_INPUT_TYPE_TEXT: - return Qt::ImhPreferLowercase; - case ui::TEXT_INPUT_TYPE_SEARCH: - return Qt::ImhPreferLowercase | Qt::ImhNoAutoUppercase; - case ui::TEXT_INPUT_TYPE_PASSWORD: - return Qt::ImhSensitiveData | Qt::ImhNoPredictiveText | Qt::ImhNoAutoUppercase | Qt::ImhHiddenText; - case ui::TEXT_INPUT_TYPE_EMAIL: - return Qt::ImhEmailCharactersOnly; - case ui::TEXT_INPUT_TYPE_NUMBER: - return Qt::ImhFormattedNumbersOnly; - case ui::TEXT_INPUT_TYPE_TELEPHONE: - return Qt::ImhDialableCharactersOnly; - case ui::TEXT_INPUT_TYPE_URL: - return Qt::ImhUrlCharactersOnly | Qt::ImhNoPredictiveText | Qt::ImhNoAutoUppercase; - case ui::TEXT_INPUT_TYPE_DATE_TIME: - case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL: - case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD: - return Qt::ImhDate | Qt::ImhTime; - case ui::TEXT_INPUT_TYPE_DATE: - case ui::TEXT_INPUT_TYPE_MONTH: - case ui::TEXT_INPUT_TYPE_WEEK: - return Qt::ImhDate; - case ui::TEXT_INPUT_TYPE_TIME: - return Qt::ImhTime; - case ui::TEXT_INPUT_TYPE_TEXT_AREA: - case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE: - return Qt::ImhMultiLine | Qt::ImhPreferLowercase; - default: - return Qt::ImhNone; - } -} - -static inline int firstAvailableId(const QMap<int, int> &map) -{ - ui::BitSet32 usedIds; - QMap<int, int>::const_iterator end = map.end(); - for (QMap<int, int>::const_iterator it = map.begin(); it != end; ++it) - usedIds.mark_bit(it.value()); - return usedIds.first_unmarked_bit(); -} - static inline ui::GestureProvider::Config QtGestureProviderConfig() { ui::GestureProvider::Config config = ui::GetGestureProviderConfig(ui::GestureProviderConfigType::CURRENT_PLATFORM); // Causes an assert in CreateWebGestureEventFromGestureEventData and we don't need them in Qt. @@ -179,126 +118,16 @@ static inline ui::GestureProvider::Config QtGestureProviderConfig() { return config; } -static inline bool compareTouchPoints(const QTouchEvent::TouchPoint &lhs, const QTouchEvent::TouchPoint &rhs) -{ - // TouchPointPressed < TouchPointMoved < TouchPointReleased - return lhs.state() < rhs.state(); -} - -static inline bool isCommonTextEditShortcut(const QKeyEvent *ke) -{ - return QInputControl::isCommonTextEditShortcut(ke); -} - -static uint32_t s_eventId = 0; -class MotionEventQt : public ui::MotionEvent { -public: - MotionEventQt(const QList<QTouchEvent::TouchPoint> &touchPoints, const base::TimeTicks &eventTime, Action action, const Qt::KeyboardModifiers modifiers, int index = -1) - : touchPoints(touchPoints) - , eventTime(eventTime) - , action(action) - , eventId(++s_eventId) - , flags(flagsFromModifiers(modifiers)) - , index(index) - { - // ACTION_DOWN and ACTION_UP must be accesssed through pointer_index 0 - Q_ASSERT((action != Action::DOWN && action != Action::UP) || index == 0); - } - - uint32_t GetUniqueEventId() const override { return eventId; } - Action GetAction() const override { return action; } - int GetActionIndex() const override { return index; } - size_t GetPointerCount() const override { return touchPoints.size(); } - int GetPointerId(size_t pointer_index) const override { return touchPoints.at(pointer_index).id(); } - float GetX(size_t pointer_index) const override { return touchPoints.at(pointer_index).pos().x(); } - float GetY(size_t pointer_index) const override { return touchPoints.at(pointer_index).pos().y(); } - float GetRawX(size_t pointer_index) const override { return touchPoints.at(pointer_index).screenPos().x(); } - float GetRawY(size_t pointer_index) const override { return touchPoints.at(pointer_index).screenPos().y(); } - float GetTouchMajor(size_t pointer_index) const override - { - QSizeF diams = touchPoints.at(pointer_index).ellipseDiameters(); - return std::max(diams.height(), diams.width()); - } - float GetTouchMinor(size_t pointer_index) const override - { - QSizeF diams = touchPoints.at(pointer_index).ellipseDiameters(); - return std::min(diams.height(), diams.width()); - } - float GetOrientation(size_t pointer_index) const override - { - return 0; - } - int GetFlags() const override { return flags; } - float GetPressure(size_t pointer_index) const override { return touchPoints.at(pointer_index).pressure(); } - float GetTiltX(size_t pointer_index) const override { return 0; } - float GetTiltY(size_t pointer_index) const override { return 0; } - float GetTwist(size_t) const override { return 0; } - float GetTangentialPressure(size_t) const override { return 0; } - base::TimeTicks GetEventTime() const override { return eventTime; } - - size_t GetHistorySize() const override { return 0; } - base::TimeTicks GetHistoricalEventTime(size_t historical_index) const override { return base::TimeTicks(); } - float GetHistoricalTouchMajor(size_t pointer_index, size_t historical_index) const override { return 0; } - float GetHistoricalX(size_t pointer_index, size_t historical_index) const override { return 0; } - float GetHistoricalY(size_t pointer_index, size_t historical_index) const override { return 0; } - ToolType GetToolType(size_t pointer_index) const override { - return (touchPoints.at(pointer_index).flags() & QTouchEvent::TouchPoint::InfoFlag::Pen) ? ui::MotionEvent::ToolType::STYLUS - : ui::MotionEvent::ToolType::FINGER; - } - int GetButtonState() const override { return 0; } - -private: - QList<QTouchEvent::TouchPoint> touchPoints; - base::TimeTicks eventTime; - Action action; - const uint32_t eventId; - int flags; - int index; -}; - -static content::ScreenInfo screenInfoFromQScreen(QScreen *screen) -{ - content::ScreenInfo r; - if (screen) { - r.device_scale_factor = screen->devicePixelRatio(); - r.depth_per_component = 8; - r.depth = screen->depth(); - r.is_monochrome = (r.depth == 1); - r.rect = toGfx(screen->geometry()); - r.available_rect = toGfx(screen->availableGeometry()); - } else { - r.device_scale_factor = qGuiApp->devicePixelRatio(); - } - return r; -} - RenderWidgetHostViewQt::RenderWidgetHostViewQt(content::RenderWidgetHost *widget) : content::RenderWidgetHostViewBase::RenderWidgetHostViewBase(widget) , m_taskRunner(base::ThreadTaskRunnerHandle::Get()) , m_gestureProvider(QtGestureProviderConfig(), this) - , m_sendMotionActionDown(false) - , m_touchMotionStarted(false) - , m_visible(false) - , m_loadVisuallyCommittedState(NotCommitted) - , m_adapterClient(0) - , m_imeInProgress(false) - , m_receivedEmptyImeEvent(false) - , m_isMouseLocked(false) - , m_imState(0) - , m_anchorPositionWithinSelection(-1) - , m_cursorPositionWithinSelection(-1) - , m_cursorPosition(0) - , m_emptyPreviousSelection(true) - , m_wheelAckPending(false) - , m_mouseWheelPhaseHandler(this) , m_frameSinkId(host()->GetFrameSinkId()) + , m_delegateClient(new RenderWidgetHostViewQtDelegateClient(this)) { if (GetTextInputManager()) GetTextInputManager()->AddObserver(this); - const QPlatformInputContext *context = QGuiApplicationPrivate::platformIntegration()->inputContext(); - m_imeHasHiddenTextCapability = context && context->hasCapability(QPlatformInputContext::HiddenTextCapability); - m_rootLayer.reset(new ui::Layer(ui::LAYER_SOLID_COLOR)); m_rootLayer->SetColor(SK_ColorTRANSPARENT); @@ -359,7 +188,7 @@ void RenderWidgetHostViewQt::setDelegate(RenderWidgetHostViewQtDelegate* delegat m_deferredShow = false; Show(); } - visualPropertiesChanged(); + delegateClient()->visualPropertiesChanged(); } void RenderWidgetHostViewQt::setAdapterClient(WebContentsAdapterClient *adapterClient) @@ -393,7 +222,7 @@ void RenderWidgetHostViewQt::SetSize(const gfx::Size &sizeInDips) void RenderWidgetHostViewQt::SetBounds(const gfx::Rect &windowRectInDips) { - DCHECK(IsPopup()); + DCHECK(isPopup()); m_delegate->move(toQt(windowRectInDips.origin())); m_delegate->resize(windowRectInDips.width(), windowRectInDips.height()); } @@ -430,7 +259,7 @@ content::BrowserAccessibilityManager* RenderWidgetHostViewQt::CreateBrowserAcces // Set focus to the associated View component. void RenderWidgetHostViewQt::Focus() { - if (!IsPopup()) + if (!isPopup()) m_delegate->setKeyboardFocus(); host()->Focus(); } @@ -480,7 +309,7 @@ bool RenderWidgetHostViewQt::IsShowing() // Retrieve the bounds of the View, in screen coordinates. gfx::Rect RenderWidgetHostViewQt::GetViewBounds() { - return m_viewRectInDips; + return toGfx(delegateClient()->viewRectInDips()); } void RenderWidgetHostViewQt::UpdateBackgroundColor() @@ -502,7 +331,7 @@ void RenderWidgetHostViewQt::UpdateBackgroundColor() // Return value indicates whether the mouse is locked successfully or not. bool RenderWidgetHostViewQt::LockMouse(bool) { - m_previousMousePosition = QCursor::pos(); + delegateClient()->resetPreviousMousePosition(); m_delegate->lockMouse(); m_isMouseLocked = true; qApp->setOverrideCursor(Qt::BlankCursor); @@ -736,7 +565,7 @@ void RenderWidgetHostViewQt::GetScreenInfo(content::ScreenInfo *results) gfx::Rect RenderWidgetHostViewQt::GetBoundsInRootWindow() { - return m_windowRectInDips; + return toGfx(delegateClient()->windowRectInDips()); } void RenderWidgetHostViewQt::OnUpdateTextInputStateCalled(content::TextInputManager *text_input_manager, RenderWidgetHostViewBase *updated_view, bool did_update_state) @@ -758,16 +587,18 @@ void RenderWidgetHostViewQt::OnUpdateTextInputStateCalled(content::TextInputMana #else m_delegate->setInputMethodHints(toQtInputMethodHints(getTextInputType()) | Qt::ImhNoPredictiveText); #endif - m_surroundingText = toQt(state->value); + QString surroundingText = toQt(state->value); // Remove IME composition text from the surrounding text if (state->composition_start != -1 && state->composition_end != -1) - m_surroundingText.remove(state->composition_start, state->composition_end - state->composition_start); + surroundingText.remove(state->composition_start, + state->composition_end - state->composition_start); + delegateClient()->setSurroundingText(surroundingText); // In case of text selection, the update is expected in RenderWidgetHostViewQt::selectionChanged(). if (GetSelectedText().empty()) { // At this point it is unknown whether the text input state has been updated due to a text selection. // Keep the cursor position updated for cursor movements too. - m_cursorPosition = state->selection_start; + delegateClient()->setCursorPosition(state->selection_start); m_delegate->inputMethodStateChanged(type != ui::TEXT_INPUT_TYPE_NONE, type == ui::TEXT_INPUT_TYPE_PASSWORD); } @@ -777,14 +608,14 @@ void RenderWidgetHostViewQt::OnUpdateTextInputStateCalled(content::TextInputMana } // Ignore selection change triggered by ime composition unless it clears an actual text selection - if (state->composition_start != -1 && m_emptyPreviousSelection) { + if (state->composition_start != -1 && delegateClient()->isPreviousSelectionEmpty()) { m_imState = 0; return; } m_imState |= ImStateFlags::TextInputStateUpdated; if (m_imState == ImStateFlags::AllFlags) - selectionChanged(); + delegateClient()->selectionChanged(); } void RenderWidgetHostViewQt::OnSelectionBoundsChanged(content::TextInputManager *text_input_manager, RenderWidgetHostViewBase *updated_view) @@ -795,7 +626,7 @@ void RenderWidgetHostViewQt::OnSelectionBoundsChanged(content::TextInputManager m_imState |= ImStateFlags::TextSelectionBoundsUpdated; if (m_imState == ImStateFlags::AllFlags || (m_imState == ImStateFlags::TextSelectionFlags && getTextInputType() == ui::TEXT_INPUT_TYPE_NONE)) { - selectionChanged(); + delegateClient()->selectionChanged(); } } @@ -819,80 +650,8 @@ void RenderWidgetHostViewQt::OnTextSelectionChanged(content::TextInputManager *t m_imState |= ImStateFlags::TextSelectionUpdated; if (m_imState == ImStateFlags::AllFlags || (m_imState == ImStateFlags::TextSelectionFlags && getTextInputType() == ui::TEXT_INPUT_TYPE_NONE)) { - selectionChanged(); - } -} - -void RenderWidgetHostViewQt::selectionChanged() -{ - // Reset input manager state - m_imState = 0; - ui::TextInputType type = getTextInputType(); - - // Handle text selection out of an input field - if (type == ui::TEXT_INPUT_TYPE_NONE) { - if (GetSelectedText().empty() && m_emptyPreviousSelection) - return; - - // Reset position values to emit selectionChanged signal when clearing text selection - // by clicking into an input field. These values are intended to be used by inputMethodQuery - // so they are not expected to be valid when selection is out of an input field. - m_anchorPositionWithinSelection = -1; - m_cursorPositionWithinSelection = -1; - - m_emptyPreviousSelection = GetSelectedText().empty(); - m_adapterClient->selectionChanged(); - return; + delegateClient()->selectionChanged(); } - - if (GetSelectedText().empty()) { - // RenderWidgetHostViewQt::OnUpdateTextInputStateCalled() does not update the cursor position - // if the selection is cleared because TextInputState changes before the TextSelection change. - Q_ASSERT(text_input_manager_->GetTextInputState()); - m_cursorPosition = text_input_manager_->GetTextInputState()->selection_start; - m_delegate->inputMethodStateChanged(true /*editorVisible*/, type == ui::TEXT_INPUT_TYPE_PASSWORD); - - m_anchorPositionWithinSelection = m_cursorPosition; - m_cursorPositionWithinSelection = m_cursorPosition; - - if (!m_emptyPreviousSelection) { - m_emptyPreviousSelection = true; - m_adapterClient->selectionChanged(); - } - - return; - } - - const content::TextInputManager::TextSelection *selection = text_input_manager_->GetTextSelection(); - if (!selection) - return; - - if (!selection->range().IsValid()) - return; - - int newAnchorPositionWithinSelection = 0; - int newCursorPositionWithinSelection = 0; - - if (text_input_manager_->GetSelectionRegion()->anchor.type() == gfx::SelectionBound::RIGHT) { - newAnchorPositionWithinSelection = selection->range().GetMax() - selection->offset(); - newCursorPositionWithinSelection = selection->range().GetMin() - selection->offset(); - } else { - newAnchorPositionWithinSelection = selection->range().GetMin() - selection->offset(); - newCursorPositionWithinSelection = selection->range().GetMax() - selection->offset(); - } - - if (m_anchorPositionWithinSelection == newAnchorPositionWithinSelection && m_cursorPositionWithinSelection == newCursorPositionWithinSelection) - return; - - m_anchorPositionWithinSelection = newAnchorPositionWithinSelection; - m_cursorPositionWithinSelection = newCursorPositionWithinSelection; - - if (!selection->selected_text().empty()) - m_cursorPosition = newCursorPositionWithinSelection; - - m_emptyPreviousSelection = selection->selected_text().empty(); - m_delegate->inputMethodStateChanged(true /*editorVisible*/, type == ui::TEXT_INPUT_TYPE_PASSWORD); - m_adapterClient->selectionChanged(); } void RenderWidgetHostViewQt::OnGestureEvent(const ui::GestureEventData& gesture) @@ -993,8 +752,7 @@ void RenderWidgetHostViewQt::notifyShown() m_delegatedFrameHost->AttachToCompositor(m_uiCompositor.get()); m_delegatedFrameHost->WasShown(GetLocalSurfaceIdAllocation().local_surface_id(), - m_viewRectInDips.size(), - base::nullopt); + toGfx(delegateClient()->viewRectInDips().size()), base::nullopt); } void RenderWidgetHostViewQt::notifyHidden() @@ -1007,202 +765,6 @@ void RenderWidgetHostViewQt::notifyHidden() m_delegatedFrameHost->DetachFromCompositor(); } -void RenderWidgetHostViewQt::visualPropertiesChanged() -{ - if (!m_delegate) - return; - - gfx::Rect oldViewRect = m_viewRectInDips; - m_viewRectInDips = toGfx(m_delegate->viewGeometry().toAlignedRect()); - - gfx::Rect oldWindowRect = m_windowRectInDips; - m_windowRectInDips = toGfx(m_delegate->windowGeometry()); - - QWindow *window = m_delegate->window(); - content::ScreenInfo oldScreenInfo = m_screenInfo; - m_screenInfo = screenInfoFromQScreen(window ? window->screen() : nullptr); - - if (m_viewRectInDips != oldViewRect || m_windowRectInDips != oldWindowRect) - host()->SendScreenRects(); - - if (m_viewRectInDips.size() != oldViewRect.size() || m_screenInfo != oldScreenInfo) - synchronizeVisualProperties(base::nullopt); -} - -bool RenderWidgetHostViewQt::forwardEvent(QEvent *event) -{ - Q_ASSERT(host()->GetView()); - - switch (event->type()) { - case QEvent::ShortcutOverride: { - QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event); - - auto acceptKeyOutOfInputField = [](QKeyEvent *keyEvent) -> bool { -#ifdef Q_OS_MACOS - // Check if a shortcut is registered for this key sequence. - QKeySequence sequence = QKeySequence ( - (keyEvent->modifiers() | keyEvent->key()) & - ~(Qt::KeypadModifier | Qt::GroupSwitchModifier)); - if (QGuiApplicationPrivate::instance()->shortcutMap.hasShortcutForKeySequence(sequence)) - return false; - - // The following shortcuts are handled out of input field too but - // disabled on macOS to let the blinking menu handling to the - // embedder application (see kKeyboardCodeKeyDownEntries in - // third_party/WebKit/Source/core/editing/EditingBehavior.cpp). - // Let them pass on macOS to generate the corresponding edit command. - return keyEvent->matches(QKeySequence::Copy) - || keyEvent->matches(QKeySequence::Paste) - || keyEvent->matches(QKeySequence::Cut) - || keyEvent->matches(QKeySequence::SelectAll); -#else - return false; -#endif - }; - - if (!inputMethodQuery(Qt::ImEnabled).toBool() && !(inputMethodQuery(Qt::ImHints).toInt() & Qt::ImhHiddenText) && !acceptKeyOutOfInputField(keyEvent)) - return false; - - Q_ASSERT(m_editCommand.empty()); - if (WebEventFactory::getEditCommand(keyEvent, &m_editCommand) - || isCommonTextEditShortcut(keyEvent)) { - event->accept(); - return true; - } - - return false; - } - case QEvent::MouseButtonPress: - Focus(); - Q_FALLTHROUGH(); - case QEvent::MouseButtonRelease: - case QEvent::MouseMove: - // Skip second MouseMove event when a window is being adopted, so that Chromium - // can properly handle further move events. - // Also make sure the adapter client exists to prevent a null pointer dereference, - // because it's possible for a QWebEnginePagePrivate (adapter) instance to be destroyed, - // and then the OS (observed on Windows) might still send mouse move events to a still - // existing popup RWHVQDW instance. - if (m_adapterClient && m_adapterClient->isBeingAdopted()) - return false; - handleMouseEvent(static_cast<QMouseEvent*>(event)); - break; - case QEvent::KeyPress: - case QEvent::KeyRelease: - handleKeyEvent(static_cast<QKeyEvent*>(event)); - break; - case QEvent::Wheel: - handleWheelEvent(static_cast<QWheelEvent*>(event)); - break; - case QEvent::TouchBegin: - Focus(); - Q_FALLTHROUGH(); - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - case QEvent::TouchCancel: - handleTouchEvent(static_cast<QTouchEvent*>(event)); - break; -#if QT_CONFIG(tabletevent) - case QEvent::TabletPress: - Focus(); - Q_FALLTHROUGH(); - case QEvent::TabletRelease: - case QEvent::TabletMove: - handleTabletEvent(static_cast<QTabletEvent*>(event)); - break; -#endif -#ifndef QT_NO_GESTURES - case QEvent::NativeGesture: - handleGestureEvent(static_cast<QNativeGestureEvent *>(event)); - break; -#endif // QT_NO_GESTURES - case QEvent::HoverMove: - handleHoverEvent(static_cast<QHoverEvent*>(event)); - break; - case QEvent::FocusIn: - case QEvent::FocusOut: - handleFocusEvent(static_cast<QFocusEvent*>(event)); - break; - case QEvent::InputMethod: - handleInputMethodEvent(static_cast<QInputMethodEvent*>(event)); - break; - case QEvent::InputMethodQuery: - handleInputMethodQueryEvent(static_cast<QInputMethodQueryEvent*>(event)); - break; - case QEvent::Leave: -#ifdef Q_OS_WIN - if (m_mouseButtonPressed > 0) - return false; -#endif - case QEvent::HoverLeave: - host()->ForwardMouseEvent(WebEventFactory::toWebMouseEvent(event)); - break; - default: - return false; - } - return true; -} - -QVariant RenderWidgetHostViewQt::inputMethodQuery(Qt::InputMethodQuery query) -{ - switch (query) { - case Qt::ImEnabled: { - ui::TextInputType type = getTextInputType(); - bool editorVisible = type != ui::TEXT_INPUT_TYPE_NONE; - // IME manager should disable composition on input fields with ImhHiddenText hint if supported - if (m_imeHasHiddenTextCapability) - return QVariant(editorVisible); - - bool passwordInput = type == ui::TEXT_INPUT_TYPE_PASSWORD; - return QVariant(editorVisible && !passwordInput); - } - case Qt::ImFont: - // TODO: Implement this - return QVariant(); - case Qt::ImCursorRectangle: { - if (text_input_manager_) { - if (auto *region = text_input_manager_->GetSelectionRegion()) { - if (region->focus.GetHeight() > 0) { - gfx::Rect caretRect = gfx::RectBetweenSelectionBounds(region->anchor, region->focus); - if (caretRect.width() == 0) - caretRect.set_width(1); // IME API on Windows expects a width > 0 - return toQt(caretRect); - } - } - } - return QVariant(); - } - case Qt::ImCursorPosition: - return m_cursorPosition; - case Qt::ImAnchorPosition: - return GetSelectedText().empty() ? m_cursorPosition : m_anchorPositionWithinSelection; - case Qt::ImSurroundingText: - return m_surroundingText; - case Qt::ImCurrentSelection: - return toQt(GetSelectedText()); - case Qt::ImMaximumTextLength: - // TODO: Implement this - return QVariant(); // No limit. - case Qt::ImHints: -#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0) - return int(toQtInputMethodHints(getTextInputType()) | Qt::ImhNoPredictiveText | Qt::ImhNoTextHandles | Qt::ImhNoEditMenu); -#else - return int(toQtInputMethodHints(getTextInputType()) | Qt::ImhNoPredictiveText); -#endif - default: - return QVariant(); - } -} - -void RenderWidgetHostViewQt::closePopup() -{ - // We notify the popup to be closed by telling it that it lost focus. WebKit does the rest - // (hiding the widget and automatic memory cleanup via - // RenderWidget::CloseWidgetSoon() -> RenderWidgetHostImpl::ShutdownAndDestroyWidget(true). - host()->SetActive(false); - host()->LostFocus(); -} - void RenderWidgetHostViewQt::ProcessAckedTouchEvent(const content::TouchEventWithLatencyInfo &touch, content::InputEventAckState ack_result) { Q_UNUSED(touch); const bool eventConsumed = ack_result == content::INPUT_EVENT_ACK_STATE_CONSUMED; @@ -1221,277 +783,46 @@ void RenderWidgetHostViewQt::processMotionEvent(const ui::MotionEvent &motionEve host()->ForwardTouchEventWithLatencyInfo(touchEvent, CreateLatencyInfo(touchEvent)); } -QList<QTouchEvent::TouchPoint> RenderWidgetHostViewQt::mapTouchPointIds(const QList<QTouchEvent::TouchPoint> &inputPoints) -{ - QList<QTouchEvent::TouchPoint> outputPoints = inputPoints; - for (int i = 0; i < outputPoints.size(); ++i) { - QTouchEvent::TouchPoint &point = outputPoints[i]; - - int qtId = point.id(); - QMap<int, int>::const_iterator it = m_touchIdMapping.find(qtId); - if (it == m_touchIdMapping.end()) - it = m_touchIdMapping.insert(qtId, firstAvailableId(m_touchIdMapping)); - point.setId(it.value()); - - if (point.state() == Qt::TouchPointReleased) - m_touchIdMapping.remove(qtId); - } - - return outputPoints; -} - -bool RenderWidgetHostViewQt::IsPopup() const +bool RenderWidgetHostViewQt::isPopup() const { return widget_type_ == content::WidgetType::kPopup; } -void RenderWidgetHostViewQt::handleMouseEvent(QMouseEvent* event) -{ - if (event->type() == QEvent::MouseButtonPress) - m_mouseButtonPressed++; - if (event->type() == QEvent::MouseButtonRelease) - m_mouseButtonPressed--; - - // Don't forward mouse events synthesized by the system, which are caused by genuine touch - // events. Chromium would then process for e.g. a mouse click handler twice, once due to the - // system synthesized mouse event, and another time due to a touch-to-gesture-to-mouse - // transformation done by Chromium. - if (event->source() == Qt::MouseEventSynthesizedBySystem) - return; - handlePointerEvent<QMouseEvent>(event); -} - -void RenderWidgetHostViewQt::handleKeyEvent(QKeyEvent *ev) -{ - if (IsMouseLocked() && ev->key() == Qt::Key_Escape && ev->type() == QEvent::KeyRelease) - UnlockMouse(); - - if (m_receivedEmptyImeEvent) { - // IME composition was not finished with a valid commit string. - // We're getting the composition result in a key event. - if (ev->key() != 0) { - // The key event is not a result of an IME composition. Cancel IME. - host()->ImeCancelComposition(); - m_receivedEmptyImeEvent = false; - } else { - if (ev->type() == QEvent::KeyRelease) { - host()->ImeCommitText(toString16(ev->text()), - std::vector<ui::ImeTextSpan>(), - gfx::Range::InvalidRange(), - 0); - m_receivedEmptyImeEvent = false; - m_imeInProgress = false; - } - return; - } - } - - // Ignore autorepeating KeyRelease events so that the generated web events - // conform to the spec, which requires autorepeat to result in a sequence of - // keypress events and only one final keyup event: - // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Auto-repeat_handling - // https://w3c.github.io/uievents/#dom-keyboardevent-repeat - if (ev->type() == QEvent::KeyRelease && ev->isAutoRepeat()) - return; - - content::NativeWebKeyboardEvent webEvent = WebEventFactory::toWebKeyboardEvent(ev); - if (webEvent.GetType() == blink::WebInputEvent::kRawKeyDown && !m_editCommand.empty()) { - ui::LatencyInfo latency; - latency.set_source_event_type(ui::SourceEventType::KEY_PRESS); - content::EditCommands commands; - commands.emplace_back(m_editCommand, ""); - m_editCommand.clear(); - host()->ForwardKeyboardEventWithCommands(webEvent, latency, &commands, nullptr); - return; - } - - bool keyDownTextInsertion = webEvent.GetType() == blink::WebInputEvent::kRawKeyDown && webEvent.text[0]; - webEvent.skip_in_browser = keyDownTextInsertion; - host()->ForwardKeyboardEvent(webEvent); - - if (keyDownTextInsertion) { - // Blink won't consume the RawKeyDown, but rather the Char event in this case. - // The RawKeyDown is skipped on the way back (see above). - // The same os_event will be set on both NativeWebKeyboardEvents. - webEvent.skip_in_browser = false; - webEvent.SetType(blink::WebInputEvent::kChar); - host()->ForwardKeyboardEvent(webEvent); - } -} - -void RenderWidgetHostViewQt::handleInputMethodEvent(QInputMethodEvent *ev) +bool RenderWidgetHostViewQt::updateScreenInfo() { - // Reset input manager state - m_imState = 0; - - if (!host()) - return; - - QString commitString = ev->commitString(); - QString preeditString = ev->preeditString(); - - int cursorPositionInPreeditString = -1; - gfx::Range selectionRange = gfx::Range::InvalidRange(); - - const QList<QInputMethodEvent::Attribute> &attributes = ev->attributes(); - std::vector<ui::ImeTextSpan> underlines; - bool hasSelection = false; - - for (const auto &attribute : attributes) { - switch (attribute.type) { - case QInputMethodEvent::TextFormat: { - if (preeditString.isEmpty()) - break; - - int start = qMin(attribute.start, (attribute.start + attribute.length)); - int end = qMax(attribute.start, (attribute.start + attribute.length)); - - // Blink does not support negative position values. Adjust start and end positions - // to non-negative values. - if (start < 0) { - start = 0; - end = qMax(0, start + end); - } - - underlines.push_back(ui::ImeTextSpan(ui::ImeTextSpan::Type::kComposition, start, end, ui::ImeTextSpan::Thickness::kThin, SK_ColorTRANSPARENT)); - - QTextCharFormat format = qvariant_cast<QTextFormat>(attribute.value).toCharFormat(); - if (format.underlineStyle() != QTextCharFormat::NoUnderline) - underlines.back().underline_color = toSk(format.underlineColor()); - - break; - } - case QInputMethodEvent::Cursor: - // Always set the position of the cursor, even if it's marked invisible by Qt, otherwise - // there is no way the user will know which part of the composition string will be - // changed, when performing an IME-specific action (like selecting a different word - // suggestion). - cursorPositionInPreeditString = attribute.start; - break; - case QInputMethodEvent::Selection: - hasSelection = true; - - // Cancel IME composition - if (preeditString.isEmpty() && attribute.start + attribute.length == 0) { - selectionRange.set_start(0); - selectionRange.set_end(0); - break; - } - - selectionRange.set_start(qMin(attribute.start, (attribute.start + attribute.length))); - selectionRange.set_end(qMax(attribute.start, (attribute.start + attribute.length))); - break; - default: - break; - } - } - - if (!selectionRange.IsValid()) { - // We did not receive a valid selection range, hence the range is going to mark the - // cursor position. - int newCursorPosition = - (cursorPositionInPreeditString < 0) ? preeditString.length() - : cursorPositionInPreeditString; - selectionRange.set_start(newCursorPosition); - selectionRange.set_end(newCursorPosition); - } - - if (hasSelection) { - content::mojom::FrameInputHandler *frameInputHandler = getFrameInputHandler(); - if (frameInputHandler) - frameInputHandler->SetEditableSelectionOffsets(selectionRange.start(), selectionRange.end()); - } - - int replacementLength = ev->replacementLength(); - gfx::Range replacementRange = gfx::Range::InvalidRange(); - - if (replacementLength > 0) - { - int replacementStart = ev->replacementStart() < 0 ? m_cursorPosition + ev->replacementStart() : ev->replacementStart(); - if (replacementStart >= 0 && replacementStart < m_surroundingText.length()) - replacementRange = gfx::Range(replacementStart, replacementStart + replacementLength); - } - - // There are so-far two known cases, when an empty QInputMethodEvent is received. - // First one happens when backspace is used to remove the last character in the pre-edit - // string, thus signaling the end of the composition. - // The second one happens (on Windows) when a Korean char gets composed, but instead of - // the event having a commit string, both strings are empty, and the actual char is received - // as a QKeyEvent after the QInputMethodEvent is processed. - // In lieu of the second case, we can't simply cancel the composition on an empty event, - // and then add the Korean char when QKeyEvent is received, because that leads to text - // flickering in the textarea (or any other element). - // Instead we postpone the processing of the empty QInputMethodEvent by posting it - // to the same focused object, and cancelling the composition on the next event loop tick. - if (commitString.isEmpty() && preeditString.isEmpty() && replacementLength == 0) { - if (!m_receivedEmptyImeEvent && m_imeInProgress && !hasSelection) { - m_receivedEmptyImeEvent = true; - QInputMethodEvent *eventCopy = new QInputMethodEvent(*ev); - QGuiApplication::postEvent(qApp->focusObject(), eventCopy); - } else { - m_receivedEmptyImeEvent = false; - if (m_imeInProgress) { - m_imeInProgress = false; - host()->ImeCancelComposition(); - } - } - - return; - } - - m_receivedEmptyImeEvent = false; - - // Finish compostion: insert or erase text. - if (!commitString.isEmpty() || replacementLength > 0) { - host()->ImeCommitText(toString16(commitString), - underlines, - replacementRange, - 0); - m_imeInProgress = false; - } + content::ScreenInfo oldScreenInfo = m_screenInfo; + QScreen *screen = m_delegate->window() ? m_delegate->window()->screen() : nullptr; - // Update or start new composition. - // Be aware of that, we might get a commit string and a pre-edit string in a single event and - // this means a new composition. - if (!preeditString.isEmpty()) { - host()->ImeSetComposition(toString16(preeditString), - underlines, - replacementRange, - selectionRange.start(), - selectionRange.end()); - m_imeInProgress = true; + if (screen) { + m_screenInfo.device_scale_factor = screen->devicePixelRatio(); + m_screenInfo.depth_per_component = 8; + m_screenInfo.depth = screen->depth(); + m_screenInfo.is_monochrome = (m_screenInfo.depth == 1); + m_screenInfo.rect = toGfx(screen->geometry()); + m_screenInfo.available_rect = toGfx(screen->availableGeometry()); + } else { + m_screenInfo.device_scale_factor = qGuiApp->devicePixelRatio(); } -} -void RenderWidgetHostViewQt::handleInputMethodQueryEvent(QInputMethodQueryEvent *ev) -{ - Qt::InputMethodQueries queries = ev->queries(); - for (uint i = 0; i < 32; ++i) { - Qt::InputMethodQuery query = (Qt::InputMethodQuery)(int)(queries & (1<<i)); - if (query) { - QVariant v = inputMethodQuery(query); - ev->setValue(query, v); - } - } - ev->accept(); + return (m_screenInfo != oldScreenInfo); } -void RenderWidgetHostViewQt::handleWheelEvent(QWheelEvent *ev) +void RenderWidgetHostViewQt::handleWheelEvent(QWheelEvent *event) { if (!m_wheelAckPending) { Q_ASSERT(m_pendingWheelEvents.isEmpty()); - blink::WebMouseWheelEvent webEvent = WebEventFactory::toWebWheelEvent(ev); + blink::WebMouseWheelEvent webEvent = WebEventFactory::toWebWheelEvent(event); m_wheelAckPending = (webEvent.phase != blink::WebMouseWheelEvent::kPhaseEnded); - m_mouseWheelPhaseHandler.AddPhaseIfNeededAndScheduleEndEvent(webEvent, false); + GetMouseWheelPhaseHandler()->AddPhaseIfNeededAndScheduleEndEvent(webEvent, false); host()->ForwardWheelEvent(webEvent); return; } if (!m_pendingWheelEvents.isEmpty()) { // Try to combine with this wheel event with the last pending one. - if (WebEventFactory::coalesceWebWheelEvent(m_pendingWheelEvents.last(), ev)) + if (WebEventFactory::coalesceWebWheelEvent(m_pendingWheelEvents.last(), event)) return; } - m_pendingWheelEvents.append(WebEventFactory::toWebWheelEvent(ev)); + m_pendingWheelEvents.append(WebEventFactory::toWebWheelEvent(event)); } void RenderWidgetHostViewQt::WheelEventAck(const blink::WebMouseWheelEvent &event, content::InputEventAckState /*ack_result*/) @@ -1528,247 +859,6 @@ content::MouseWheelPhaseHandler *RenderWidgetHostViewQt::GetMouseWheelPhaseHandl return &m_mouseWheelPhaseHandler; } -void RenderWidgetHostViewQt::clearPreviousTouchMotionState() -{ - m_previousTouchPoints.clear(); - m_touchMotionStarted = false; -} - -#ifndef QT_NO_GESTURES -void RenderWidgetHostViewQt::handleGestureEvent(QNativeGestureEvent *ev) -{ - const Qt::NativeGestureType type = ev->gestureType(); - // These are the only supported gestures by Chromium so far. - if (type == Qt::ZoomNativeGesture || type == Qt::SmartZoomNativeGesture) { - host()->ForwardGestureEvent(WebEventFactory::toWebGestureEvent(ev)); - } -} -#endif - -void RenderWidgetHostViewQt::handleTouchEvent(QTouchEvent *ev) -{ - // On macOS instead of handling touch events, we use the OS provided QNativeGestureEvents. -#ifdef Q_OS_MACOS - if (ev->spontaneous()) { - return; - } else { - VLOG(1) - << "Sending simulated touch events to Chromium does not work properly on macOS. " - "Consider using QNativeGestureEvents or QMouseEvents."; - } -#endif - - // Chromium expects the touch event timestamps to be comparable to base::TimeTicks::Now(). - // Most importantly we also have to preserve the relative time distance between events. - // Calculate a delta between event timestamps and Now() on the first received event, and - // apply this delta to all successive events. This delta is most likely smaller than it - // should by calculating it here but this will hopefully cause less than one frame of delay. - base::TimeTicks eventTimestamp = base::TimeTicks() + base::TimeDelta::FromMilliseconds(ev->timestamp()); - if (m_eventsToNowDelta == base::TimeDelta()) - m_eventsToNowDelta = base::TimeTicks::Now() - eventTimestamp; - eventTimestamp += m_eventsToNowDelta; - - QList<QTouchEvent::TouchPoint> touchPoints = mapTouchPointIds(ev->touchPoints()); - // Make sure that ACTION_POINTER_DOWN is delivered before ACTION_MOVE, - // and ACTION_MOVE before ACTION_POINTER_UP. - std::sort(touchPoints.begin(), touchPoints.end(), compareTouchPoints); - - // Check first if the touch event should be routed to the selectionController - if (!touchPoints.isEmpty()) { - ui::MotionEvent::Action action; - switch (touchPoints[0].state()) { - case Qt::TouchPointPressed: - action = ui::MotionEvent::Action::DOWN; - break; - case Qt::TouchPointMoved: - action = ui::MotionEvent::Action::MOVE; - break; - case Qt::TouchPointReleased: - action = ui::MotionEvent::Action::UP; - break; - default: - action = ui::MotionEvent::Action::NONE; - break; - } - - MotionEventQt motionEvent(touchPoints, eventTimestamp, action, ev->modifiers(), 0); - if (m_touchSelectionController->WillHandleTouchEvent(motionEvent)) { - m_previousTouchPoints = touchPoints; - ev->accept(); - return; - } - } else { - // An empty touchPoints always corresponds to a TouchCancel event. - // We can't forward touch cancellations without a previously processed touch event, - // as Chromium expects the previous touchPoints for Action::CANCEL. - // If both are empty that means the TouchCancel was sent without an ongoing touch, - // so there's nothing to cancel anyway. - touchPoints = m_previousTouchPoints; - if (touchPoints.isEmpty()) - return; - - MotionEventQt cancelEvent(touchPoints, eventTimestamp, ui::MotionEvent::Action::CANCEL, ev->modifiers()); - if (m_touchSelectionController->WillHandleTouchEvent(cancelEvent)) { - m_previousTouchPoints.clear(); - ev->accept(); - return; - } - } - - switch (ev->type()) { - case QEvent::TouchBegin: - m_sendMotionActionDown = true; - m_touchMotionStarted = true; - m_touchSelectionControllerClient->onTouchDown(); - break; - case QEvent::TouchUpdate: - m_touchMotionStarted = true; - break; - case QEvent::TouchCancel: - { - // Only process TouchCancel events received following a TouchBegin or TouchUpdate event - if (m_touchMotionStarted) { - MotionEventQt cancelEvent(touchPoints, eventTimestamp, ui::MotionEvent::Action::CANCEL, ev->modifiers()); - processMotionEvent(cancelEvent); - } - - clearPreviousTouchMotionState(); - return; - } - case QEvent::TouchEnd: - clearPreviousTouchMotionState(); - m_touchSelectionControllerClient->onTouchUp(); - break; - default: - break; - } - - if (m_imeInProgress && ev->type() == QEvent::TouchBegin) { - m_imeInProgress = false; - // Tell input method to commit the pre-edit string entered so far, and finish the - // composition operation. -#ifdef Q_OS_WIN - // Yes the function name is counter-intuitive, but commit isn't actually implemented - // by the Windows QPA, and reset does exactly what is necessary in this case. - qApp->inputMethod()->reset(); -#else - qApp->inputMethod()->commit(); -#endif - } - - for (int i = 0; i < touchPoints.size(); ++i) { - ui::MotionEvent::Action action; - switch (touchPoints[i].state()) { - case Qt::TouchPointPressed: - if (m_sendMotionActionDown) { - action = ui::MotionEvent::Action::DOWN; - m_sendMotionActionDown = false; - } else { - action = ui::MotionEvent::Action::POINTER_DOWN; - } - break; - case Qt::TouchPointMoved: - action = ui::MotionEvent::Action::MOVE; - break; - case Qt::TouchPointReleased: - action = touchPoints.size() > 1 ? ui::MotionEvent::Action::POINTER_UP : - ui::MotionEvent::Action::UP; - break; - default: - // Ignore Qt::TouchPointStationary - continue; - } - - MotionEventQt motionEvent(touchPoints, eventTimestamp, action, ev->modifiers(), i); - processMotionEvent(motionEvent); - } - - m_previousTouchPoints = touchPoints; -} - -#if QT_CONFIG(tabletevent) -void RenderWidgetHostViewQt::handleTabletEvent(QTabletEvent *event) -{ - handlePointerEvent<QTabletEvent>(event); -} -#endif - -template<class T> -void RenderWidgetHostViewQt::handlePointerEvent(T *event) -{ - // Currently WebMouseEvent is a subclass of WebPointerProperties, so basically - // tablet events are mouse events with extra properties. - blink::WebMouseEvent webEvent = WebEventFactory::toWebMouseEvent(event); - if ((webEvent.GetType() == blink::WebInputEvent::kMouseDown || webEvent.GetType() == blink::WebInputEvent::kMouseUp) - && webEvent.button == blink::WebMouseEvent::Button::kNoButton) { - // Blink can only handle the 3 main mouse-buttons and may assert when processing mouse-down for no button. - LOG(INFO) << "Unhandled mouse button"; - return; - } - - if (webEvent.GetType() == blink::WebInputEvent::kMouseDown) { - if (event->button() != m_clickHelper.lastPressButton - || (event->timestamp() - m_clickHelper.lastPressTimestamp > static_cast<ulong>(qGuiApp->styleHints()->mouseDoubleClickInterval())) - || (event->pos() - m_clickHelper.lastPressPosition).manhattanLength() > qGuiApp->styleHints()->startDragDistance() - || m_clickHelper.clickCounter >= 3) - m_clickHelper.clickCounter = 0; - - m_clickHelper.lastPressTimestamp = event->timestamp(); - webEvent.click_count = ++m_clickHelper.clickCounter; - m_clickHelper.lastPressButton = event->button(); - m_clickHelper.lastPressPosition = QPointF(event->pos()).toPoint(); - } - - webEvent.movement_x = event->globalX() - m_previousMousePosition.x(); - webEvent.movement_y = event->globalY() - m_previousMousePosition.y(); - - if (IsMouseLocked()) - QCursor::setPos(m_previousMousePosition); - else - m_previousMousePosition = event->globalPos(); - - if (m_imeInProgress && webEvent.GetType() == blink::WebInputEvent::kMouseDown) { - m_imeInProgress = false; - // Tell input method to commit the pre-edit string entered so far, and finish the - // composition operation. -#ifdef Q_OS_WIN - // Yes the function name is counter-intuitive, but commit isn't actually implemented - // by the Windows QPA, and reset does exactly what is necessary in this case. - qApp->inputMethod()->reset(); -#else - qApp->inputMethod()->commit(); -#endif - } - - host()->ForwardMouseEvent(webEvent); -} - -void RenderWidgetHostViewQt::handleHoverEvent(QHoverEvent *ev) -{ - host()->ForwardMouseEvent(WebEventFactory::toWebMouseEvent(ev)); -} - -void RenderWidgetHostViewQt::handleFocusEvent(QFocusEvent *ev) -{ - if (ev->gotFocus()) { - host()->GotFocus(); - host()->SetActive(true); - content::RenderViewHostImpl *viewHost = content::RenderViewHostImpl::From(host()); - Q_ASSERT(viewHost); - if (ev->reason() == Qt::TabFocusReason) - viewHost->SetInitialFocus(false); - else if (ev->reason() == Qt::BacktabFocusReason) - viewHost->SetInitialFocus(true); - ev->accept(); - - m_adapterClient->webContentsAdapter()->handlePendingMouseLockPermission(); - } else if (ev->lostFocus()) { - host()->SetActive(false); - host()->LostFocus(); - ev->accept(); - } -} - void RenderWidgetHostViewQt::SetNeedsBeginFrames(bool needs_begin_frames) { // Not used with viz |