void Gui::handleMouseInput() { while (!mInput->isMouseQueueEmpty()) { MouseInput mouseInput = mInput->dequeueMouseInput(); // Save the current mouse state. It will be needed if modal focus // changes or modal mouse input focus changes. mLastMouseX = mouseInput.getX(); mLastMouseY = mouseInput.getY(); switch (mouseInput.getType()) { case MouseInput::PRESSED: handleMousePressed(mouseInput); break; case MouseInput::RELEASED: handleMouseReleased(mouseInput); break; case MouseInput::MOVED: handleMouseMoved(mouseInput); break; case MouseInput::WHEEL_MOVED_DOWN: handleMouseWheelMovedDown(mouseInput); break; case MouseInput::WHEEL_MOVED_UP: handleMouseWheelMovedUp(mouseInput); break; default: throw GCN_EXCEPTION("Unknown mouse input type."); break; } } }
void Gui::handleMouseReleased(const MouseInput& mouseInput) { WidgetPtr sourceWidget = GetMouseEventSource(mouseInput.getX(), mouseInput.getY()); if (mFocusHandler->GetDraggedWidget()) { if (sourceWidget != mFocusHandler->GetLastWidgetPressed()) { mFocusHandler->SetLastWidgetPressed(WidgetPtr()); } sourceWidget = mFocusHandler->GetDraggedWidget(); } int sourceWidgetX, sourceWidgetY; sourceWidget->getAbsolutePosition(sourceWidgetX, sourceWidgetY); distributeMouseEvent(sourceWidget, MouseEvent::RELEASED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY()); if (mouseInput.getButton() == mLastMousePressButton && mFocusHandler->GetLastWidgetPressed() == sourceWidget) { distributeMouseEvent(sourceWidget, MouseEvent::CLICKED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY()); mFocusHandler->SetLastWidgetPressed(WidgetPtr()); } else { mLastMousePressButton = 0; mClickCount = 0; } if (mFocusHandler->GetDraggedWidget()) { mFocusHandler->SetDraggedWidget(WidgetPtr()); } }
void Gui::handleMouseWheelMovedUp(const MouseInput& mouseInput) { WidgetPtr sourceWidget = GetMouseEventSource(mouseInput.getX(), mouseInput.getY()); if (mFocusHandler->GetDraggedWidget() != NULL) { sourceWidget = mFocusHandler->GetDraggedWidget(); } int sourceWidgetX, sourceWidgetY; sourceWidget->getAbsolutePosition(sourceWidgetX, sourceWidgetY); distributeMouseEvent(sourceWidget, MouseEvent::WHEEL_MOVED_UP, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY()); }
void Gui::handleMousePressed(const MouseInput& mouseInput) { WidgetPtr sourceWidget = GetMouseEventSource(mouseInput.getX(), mouseInput.getY()); if (mFocusHandler->GetDraggedWidget()) { sourceWidget = mFocusHandler->GetDraggedWidget(); } int sourceWidgetX, sourceWidgetY; sourceWidget->getAbsolutePosition(sourceWidgetX, sourceWidgetY); if ((mFocusHandler->GetModalFocused() != NULL && sourceWidget->isModalFocused()) || mFocusHandler->GetModalFocused() == NULL) { sourceWidget->requestFocus(); } if (mouseInput.getTimeStamp() - mLastMousePressTimeStamp < 250 && mLastMousePressButton == mouseInput.getButton()) { mClickCount++; } else { mClickCount = 1; } distributeMouseEvent(sourceWidget, MouseEvent::PRESSED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY()); mFocusHandler->SetLastWidgetPressed(sourceWidget); mFocusHandler->SetDraggedWidget(sourceWidget); mLastMouseDragButton = mouseInput.getButton(); mLastMousePressButton = mouseInput.getButton(); mLastMousePressTimeStamp = mouseInput.getTimeStamp(); }
void Gui::handleMouseMoved(const MouseInput& mouseInput) { // Check if the mouse leaves the application window. if (!mWidgetWithMouseQueue.empty() && (mouseInput.getX() < 0 || mouseInput.getY() < 0 || !mTop->GetDimension().isPointInRect(mouseInput.getX(), mouseInput.getY())) ) { // Distribute an event to all widgets in the "widget with mouse" queue. while (!mWidgetWithMouseQueue.empty()) { WidgetPtr widget = mWidgetWithMouseQueue.front(); if (Widget::widgetExists(widget)) { distributeMouseEvent(widget, MouseEvent::EXITED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY(), true, true); } mWidgetWithMouseQueue.pop_front(); } return; } // Check if there is a need to send mouse exited events by // traversing the "widget with mouse" queue. bool widgetWithMouseQueueCheckDone = mWidgetWithMouseQueue.empty(); while (!widgetWithMouseQueueCheckDone) { unsigned int iterations = 0; std::deque<WidgetPtr>::iterator iter; for (iter = mWidgetWithMouseQueue.begin(); iter != mWidgetWithMouseQueue.end(); iter++) { WidgetPtr widget = *iter; // If a widget in the "widget with mouse queue" doesn't // exists anymore it should be removed from the queue. if (!Widget::widgetExists(widget)) { mWidgetWithMouseQueue.erase(iter); break; } else { int x, y; widget->getAbsolutePosition(x, y); if (x > mouseInput.getX() || y > mouseInput.getY() || x + widget->GetWidth() <= mouseInput.getX() || y + widget->GetHeight() <= mouseInput.getY() || !widget->IsVisible()) { distributeMouseEvent(widget, MouseEvent::EXITED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY(), true, true); mClickCount = 1; mLastMousePressTimeStamp = 0; mWidgetWithMouseQueue.erase(iter); break; } } iterations++; } widgetWithMouseQueueCheckDone = iterations == mWidgetWithMouseQueue.size(); } // Check all widgets below the mouse to see if they are // present in the "widget with mouse" queue. If a widget // is not then it should be added and an entered event should // be sent to it. WidgetPtr parent = GetMouseEventSource(mouseInput.getX(), mouseInput.getY()); WidgetPtr widget = parent; // If a widget has modal mouse input focus then it will // always be returned from getMouseEventSource, but we only wan't to send // mouse entered events if the mouse has actually entered the widget with // modal mouse input focus, hence we need to check if that's the case. If // it's not we should simply ignore to send any mouse entered events. if (mFocusHandler->GetModalMouseInputFocused() && widget == mFocusHandler->GetModalMouseInputFocused() && Widget::widgetExists(widget)) { int x, y; widget->getAbsolutePosition(x, y); if (x > mouseInput.getX() || y > mouseInput.getY() || x + widget->GetWidth() <= mouseInput.getX() || y + widget->GetHeight() <= mouseInput.getY()) { parent.reset(); } } while (parent) { parent = widget->GetParent(); // Check if the widget is present in the "widget with mouse" queue. bool widgetIsPresentInQueue = false; std::deque<WidgetPtr>::iterator iter; for (iter = mWidgetWithMouseQueue.begin(); iter != mWidgetWithMouseQueue.end(); iter++) { if (*iter == widget) { widgetIsPresentInQueue = true; break; } } // Widget is not present, send an entered event and add // it to the "widget with mouse" queue. if (!widgetIsPresentInQueue && Widget::widgetExists(widget)) { distributeMouseEvent(widget, MouseEvent::ENTERED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY(), true, true); mWidgetWithMouseQueue.push_front(widget); } WidgetPtr swap = widget; widget = parent; parent = (WidgetPtr)swap->GetParent(); } if (mFocusHandler->GetDraggedWidget()) { distributeMouseEvent(mFocusHandler->GetDraggedWidget(), MouseEvent::DRAGGED, mLastMouseDragButton, mouseInput.getX(), mouseInput.getY()); } else { WidgetPtr sourceWidget = GetMouseEventSource(mouseInput.getX(), mouseInput.getY()); distributeMouseEvent(sourceWidget, MouseEvent::MOVED, mouseInput.getButton(), mouseInput.getX(), mouseInput.getY()); } }