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diff --git a/src/guichan/gui.cpp b/src/guichan/gui.cpp
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+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * For comments regarding functions please see the header file.
+ */
+
+#include "guichan/gui.hpp"
+
+#include "guichan/basiccontainer.hpp"
+#include "guichan/exception.hpp"
+#include "guichan/focushandler.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/input.hpp"
+#include "guichan/keyinput.hpp"
+#include "guichan/keylistener.hpp"
+#include "guichan/mouseinput.hpp"
+#include "guichan/mouselistener.hpp"
+#include "guichan/widget.hpp"
+
+namespace gcn
+{
+ Gui::Gui()
+ :mTop(NULL),
+ mGraphics(NULL),
+ mInput(NULL),
+ mTabbing(true),
+ mShiftPressed(false),
+ mMetaPressed(false),
+ mControlPressed(false),
+ mAltPressed(false),
+ mLastMousePressButton(0),
+ mLastMousePressTimeStamp(0),
+ mLastMouseX(0),
+ mLastMouseY(0),
+ mClickCount(1),
+ mLastMouseDragButton(0)
+ {
+ mFocusHandler = new FocusHandler();
+ }
+
+ Gui::~Gui()
+ {
+ if (Widget::widgetExists(mTop))
+ {
+ setTop(NULL);
+ }
+
+ delete mFocusHandler;
+ }
+
+ void Gui::setTop(Widget* top)
+ {
+ if (mTop != NULL)
+ {
+ mTop->_setFocusHandler(NULL);
+ }
+ if (top != NULL)
+ {
+ top->_setFocusHandler(mFocusHandler);
+ }
+
+ mTop = top;
+ }
+
+ Widget* Gui::getTop() const
+ {
+ return mTop;
+ }
+
+ void Gui::setGraphics(Graphics* graphics)
+ {
+ mGraphics = graphics;
+ }
+
+ Graphics* Gui::getGraphics() const
+ {
+ return mGraphics;
+ }
+
+ void Gui::setInput(Input* input)
+ {
+ mInput = input;
+ }
+
+ Input* Gui::getInput() const
+ {
+ return mInput;
+ }
+
+ void Gui::logic()
+ {
+ if (mTop == NULL)
+ {
+ throw GCN_EXCEPTION("No top widget set");
+ }
+
+ handleModalFocus();
+ handleModalMouseInputFocus();
+
+ if (mInput != NULL)
+ {
+ mInput->_pollInput();
+
+ handleKeyInput();
+ handleMouseInput();
+
+ } // end if
+
+ mTop->logic();
+ }
+
+ void Gui::draw()
+ {
+ if (mTop == NULL)
+ {
+ throw GCN_EXCEPTION("No top widget set");
+ }
+ if (mGraphics == NULL)
+ {
+ throw GCN_EXCEPTION("No graphics set");
+ }
+
+ if (!mTop->isVisible())
+ {
+ return;
+ }
+
+ mGraphics->_beginDraw();
+
+ // If top has a frame,
+ // draw it before drawing top
+ if (mTop->getFrameSize() > 0)
+ {
+ Rectangle rec = mTop->getDimension();
+ rec.x -= mTop->getFrameSize();
+ rec.y -= mTop->getFrameSize();
+ rec.width += 2 * mTop->getFrameSize();
+ rec.height += 2 * mTop->getFrameSize();
+ mGraphics->pushClipArea(rec);
+ mTop->drawFrame(mGraphics);
+ mGraphics->popClipArea();
+ }
+
+ mGraphics->pushClipArea(mTop->getDimension());
+ mTop->draw(mGraphics);
+ mGraphics->popClipArea();
+
+ mGraphics->_endDraw();
+ }
+
+ void Gui::focusNone()
+ {
+ mFocusHandler->focusNone();
+ }
+
+ void Gui::setTabbingEnabled(bool tabbing)
+ {
+ mTabbing = tabbing;
+ }
+
+ bool Gui::isTabbingEnabled()
+ {
+ return mTabbing;
+ }
+
+ void Gui::addGlobalKeyListener(KeyListener* keyListener)
+ {
+ mKeyListeners.push_back(keyListener);
+ }
+
+ void Gui::removeGlobalKeyListener(KeyListener* keyListener)
+ {
+ mKeyListeners.remove(keyListener);
+ }
+
+ 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::handleKeyInput()
+ {
+ while (!mInput->isKeyQueueEmpty())
+ {
+ KeyInput keyInput = mInput->dequeueKeyInput();
+
+ // Save modifiers state
+ mShiftPressed = keyInput.isShiftPressed();
+ mMetaPressed = keyInput.isMetaPressed();
+ mControlPressed = keyInput.isControlPressed();
+ mAltPressed = keyInput.isAltPressed();
+
+ KeyEvent keyEventToGlobalKeyListeners(NULL,
+ mShiftPressed,
+ mControlPressed,
+ mAltPressed,
+ mMetaPressed,
+ keyInput.getType(),
+ keyInput.isNumericPad(),
+ keyInput.getKey());
+
+ distributeKeyEventToGlobalKeyListeners(keyEventToGlobalKeyListeners);
+
+ // If a global key listener consumes the event it will not be
+ // sent further to the source of the event.
+ if (keyEventToGlobalKeyListeners.isConsumed())
+ {
+ continue;
+ }
+
+ bool keyEventConsumed = false;
+
+ // Send key inputs to the focused widgets
+ if (mFocusHandler->getFocused() != NULL)
+ {
+ KeyEvent keyEvent(getKeyEventSource(),
+ mShiftPressed,
+ mControlPressed,
+ mAltPressed,
+ mMetaPressed,
+ keyInput.getType(),
+ keyInput.isNumericPad(),
+ keyInput.getKey());
+
+
+ if (!mFocusHandler->getFocused()->isFocusable())
+ {
+ mFocusHandler->focusNone();
+ }
+ else
+ {
+ distributeKeyEvent(keyEvent);
+ }
+
+ keyEventConsumed = keyEvent.isConsumed();
+ }
+
+ // If the key event hasn't been consumed and
+ // tabbing is enable check for tab press and
+ // change focus.
+ if (!keyEventConsumed
+ && mTabbing
+ && keyInput.getKey().getValue() == Key::TAB
+ && keyInput.getType() == KeyInput::PRESSED)
+ {
+ if (keyInput.isShiftPressed())
+ {
+ mFocusHandler->tabPrevious();
+ }
+ else
+ {
+ mFocusHandler->tabNext();
+ }
+ }
+
+ } // end while
+ }
+
+ 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())
+ {
+ Widget* 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<Widget*>::iterator iter;
+ for (iter = mWidgetWithMouseQueue.begin();
+ iter != mWidgetWithMouseQueue.end();
+ iter++)
+ {
+ Widget* 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.
+ Widget* parent = getMouseEventSource(mouseInput.getX(), mouseInput.getY());
+ Widget* 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() != NULL
+ && 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 = NULL;
+ }
+ }
+
+ while (parent != NULL)
+ {
+ parent = (Widget*)widget->getParent();
+
+ // Check if the widget is present in the "widget with mouse" queue.
+ bool widgetIsPresentInQueue = false;
+ std::deque<Widget*>::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);
+ }
+
+ Widget* swap = widget;
+ widget = parent;
+ parent = (Widget*)swap->getParent();
+ }
+
+ if (mFocusHandler->getDraggedWidget() != NULL)
+ {
+ distributeMouseEvent(mFocusHandler->getDraggedWidget(),
+ MouseEvent::DRAGGED,
+ mLastMouseDragButton,
+ mouseInput.getX(),
+ mouseInput.getY());
+ }
+ else
+ {
+ Widget* sourceWidget = getMouseEventSource(mouseInput.getX(), mouseInput.getY());
+ distributeMouseEvent(sourceWidget,
+ MouseEvent::MOVED,
+ mouseInput.getButton(),
+ mouseInput.getX(),
+ mouseInput.getY());
+ }
+ }
+
+ void Gui::handleMousePressed(const MouseInput& mouseInput)
+ {
+ Widget* sourceWidget = getMouseEventSource(mouseInput.getX(), mouseInput.getY());
+
+ if (mFocusHandler->getDraggedWidget() != NULL)
+ {
+ 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::handleMouseWheelMovedDown(const MouseInput& mouseInput)
+ {
+ Widget* 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_DOWN,
+ mouseInput.getButton(),
+ mouseInput.getX(),
+ mouseInput.getY());
+ }
+
+ void Gui::handleMouseWheelMovedUp(const MouseInput& mouseInput)
+ {
+ Widget* 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::handleMouseReleased(const MouseInput& mouseInput)
+ {
+ Widget* sourceWidget = getMouseEventSource(mouseInput.getX(), mouseInput.getY());
+
+ if (mFocusHandler->getDraggedWidget() != NULL)
+ {
+ if (sourceWidget != mFocusHandler->getLastWidgetPressed())
+ {
+ mFocusHandler->setLastWidgetPressed(NULL);
+ }
+
+ 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(NULL);
+ }
+ else
+ {
+ mLastMousePressButton = 0;
+ mClickCount = 0;
+ }
+
+ if (mFocusHandler->getDraggedWidget() != NULL)
+ {
+ mFocusHandler->setDraggedWidget(NULL);
+ }
+ }
+
+ Widget* Gui::getWidgetAt(int x, int y)
+ {
+ // If the widget's parent has no child then we have found the widget..
+ Widget* parent = mTop;
+ Widget* child = mTop;
+
+ while (child != NULL)
+ {
+ Widget* swap = child;
+ int parentX, parentY;
+ parent->getAbsolutePosition(parentX, parentY);
+ child = parent->getWidgetAt(x - parentX, y - parentY);
+ parent = swap;
+ }
+
+ return parent;
+ }
+
+ Widget* Gui::getMouseEventSource(int x, int y)
+ {
+ Widget* widget = getWidgetAt(x, y);
+
+ if (mFocusHandler->getModalMouseInputFocused() != NULL
+ && !widget->isModalMouseInputFocused())
+ {
+ return mFocusHandler->getModalMouseInputFocused();
+ }
+
+ return widget;
+ }
+
+ Widget* Gui::getKeyEventSource()
+ {
+ Widget* widget = mFocusHandler->getFocused();
+
+ while (widget->_getInternalFocusHandler() != NULL
+ && widget->_getInternalFocusHandler()->getFocused() != NULL)
+ {
+ widget = widget->_getInternalFocusHandler()->getFocused();
+ }
+
+ return widget;
+ }
+
+ void Gui::distributeMouseEvent(Widget* source,
+ int type,
+ int button,
+ int x,
+ int y,
+ bool force,
+ bool toSourceOnly)
+ {
+ Widget* parent = source;
+ Widget* widget = source;
+
+ if (mFocusHandler->getModalFocused() != NULL
+ && !widget->isModalFocused()
+ && !force)
+ {
+ return;
+ }
+
+ if (mFocusHandler->getModalMouseInputFocused() != NULL
+ && !widget->isModalMouseInputFocused()
+ && !force)
+ {
+ return;
+ }
+
+ MouseEvent mouseEvent(source,
+ mShiftPressed,
+ mControlPressed,
+ mAltPressed,
+ mMetaPressed,
+ type,
+ button,
+ x,
+ y,
+ mClickCount);
+
+ while (parent != NULL)
+ {
+ // If the widget has been removed due to input
+ // cancel the distribution.
+ if (!Widget::widgetExists(widget))
+ {
+ break;
+ }
+
+ parent = (Widget*)widget->getParent();
+
+ if (widget->isEnabled() || force)
+ {
+ int widgetX, widgetY;
+ widget->getAbsolutePosition(widgetX, widgetY);
+
+ mouseEvent.mX = x - widgetX;
+ mouseEvent.mY = y - widgetY;
+
+ std::list<MouseListener*> mouseListeners = widget->_getMouseListeners();
+
+ // Send the event to all mouse listeners of the widget.
+ for (std::list<MouseListener*>::iterator it = mouseListeners.begin();
+ it != mouseListeners.end();
+ ++it)
+ {
+ switch (mouseEvent.getType())
+ {
+ case MouseEvent::ENTERED:
+ (*it)->mouseEntered(mouseEvent);
+ break;
+ case MouseEvent::EXITED:
+ (*it)->mouseExited(mouseEvent);
+ break;
+ case MouseEvent::MOVED:
+ (*it)->mouseMoved(mouseEvent);
+ break;
+ case MouseEvent::PRESSED:
+ (*it)->mousePressed(mouseEvent);
+ break;
+ case MouseEvent::RELEASED:
+ (*it)->mouseReleased(mouseEvent);
+ break;
+ case MouseEvent::WHEEL_MOVED_UP:
+ (*it)->mouseWheelMovedUp(mouseEvent);
+ break;
+ case MouseEvent::WHEEL_MOVED_DOWN:
+ (*it)->mouseWheelMovedDown(mouseEvent);
+ break;
+ case MouseEvent::DRAGGED:
+ (*it)->mouseDragged(mouseEvent);
+ break;
+ case MouseEvent::CLICKED:
+ (*it)->mouseClicked(mouseEvent);
+ break;
+ default:
+ throw GCN_EXCEPTION("Unknown mouse event type.");
+ }
+ }
+
+ if (toSourceOnly)
+ {
+ break;
+ }
+
+ }
+
+ Widget* swap = widget;
+ widget = parent;
+ parent = (Widget*)swap->getParent();
+
+ // If a non modal focused widget has been reach
+ // and we have modal focus cancel the distribution.
+ if (mFocusHandler->getModalFocused() != NULL
+ && !widget->isModalFocused())
+ {
+ break;
+ }
+
+ // If a non modal mouse input focused widget has been reach
+ // and we have modal mouse input focus cancel the distribution.
+ if (mFocusHandler->getModalMouseInputFocused() != NULL
+ && !widget->isModalMouseInputFocused())
+ {
+ break;
+ }
+ }
+ }
+
+ void Gui::distributeKeyEvent(KeyEvent& keyEvent)
+ {
+ Widget* parent = keyEvent.getSource();
+ Widget* widget = keyEvent.getSource();
+
+ if (mFocusHandler->getModalFocused() != NULL
+ && !widget->isModalFocused())
+ {
+ return;
+ }
+
+ if (mFocusHandler->getModalMouseInputFocused() != NULL
+ && !widget->isModalMouseInputFocused())
+ {
+ return;
+ }
+
+ while (parent != NULL)
+ {
+ // If the widget has been removed due to input
+ // cancel the distribution.
+ if (!Widget::widgetExists(widget))
+ {
+ break;
+ }
+
+ parent = (Widget*)widget->getParent();
+
+ if (widget->isEnabled())
+ {
+ std::list<KeyListener*> keyListeners = widget->_getKeyListeners();
+
+ // Send the event to all key listeners of the source widget.
+ for (std::list<KeyListener*>::iterator it = keyListeners.begin();
+ it != keyListeners.end();
+ ++it)
+ {
+ switch (keyEvent.getType())
+ {
+ case KeyEvent::PRESSED:
+ (*it)->keyPressed(keyEvent);
+ break;
+ case KeyEvent::RELEASED:
+ (*it)->keyReleased(keyEvent);
+ break;
+ default:
+ throw GCN_EXCEPTION("Unknown key event type.");
+ }
+ }
+ }
+
+ Widget* swap = widget;
+ widget = parent;
+ parent = (Widget*)swap->getParent();
+
+ // If a non modal focused widget has been reach
+ // and we have modal focus cancel the distribution.
+ if (mFocusHandler->getModalFocused() != NULL
+ && !widget->isModalFocused())
+ {
+ break;
+ }
+ }
+ }
+
+ void Gui::distributeKeyEventToGlobalKeyListeners(KeyEvent& keyEvent)
+ {
+ KeyListenerListIterator it;
+
+ for (it = mKeyListeners.begin(); it != mKeyListeners.end(); it++)
+ {
+ switch (keyEvent.getType())
+ {
+ case KeyEvent::PRESSED:
+ (*it)->keyPressed(keyEvent);
+ break;
+ case KeyEvent::RELEASED:
+ (*it)->keyReleased(keyEvent);
+ break;
+ default:
+ throw GCN_EXCEPTION("Unknown key event type.");
+ }
+
+ if (keyEvent.isConsumed())
+ {
+ break;
+ }
+ }
+ }
+
+ void Gui::handleModalMouseInputFocus()
+ {
+ // Check if modal mouse input focus has been gained by a widget.
+ if ((mFocusHandler->getLastWidgetWithModalMouseInputFocus()
+ != mFocusHandler->getModalMouseInputFocused())
+ && (mFocusHandler->getLastWidgetWithModalMouseInputFocus() == NULL))
+ {
+ handleModalFocusGained();
+ mFocusHandler->setLastWidgetWithModalMouseInputFocus(mFocusHandler->getModalMouseInputFocused());
+ }
+ // Check if modal mouse input focus has been released.
+ else if ((mFocusHandler->getLastWidgetWithModalMouseInputFocus()
+ != mFocusHandler->getModalMouseInputFocused())
+ && (mFocusHandler->getLastWidgetWithModalMouseInputFocus() != NULL))
+ {
+ handleModalFocusReleased();
+ mFocusHandler->setLastWidgetWithModalMouseInputFocus(NULL);
+ }
+ }
+
+ void Gui::handleModalFocus()
+ {
+ // Check if modal focus has been gained by a widget.
+ if ((mFocusHandler->getLastWidgetWithModalFocus()
+ != mFocusHandler->getModalFocused())
+ && (mFocusHandler->getLastWidgetWithModalFocus() == NULL))
+ {
+ handleModalFocusGained();
+ mFocusHandler->setLastWidgetWithModalFocus(mFocusHandler->getModalFocused());
+ }
+ // Check if modal focus has been released.
+ else if ((mFocusHandler->getLastWidgetWithModalFocus()
+ != mFocusHandler->getModalFocused())
+ && (mFocusHandler->getLastWidgetWithModalFocus() != NULL))
+ {
+ handleModalFocusReleased();
+ mFocusHandler->setLastWidgetWithModalFocus(NULL);
+ }
+ }
+
+ void Gui::handleModalFocusGained()
+ {
+ // Distribute an event to all widgets in the "widget with mouse" queue.
+ while (!mWidgetWithMouseQueue.empty())
+ {
+ Widget* widget = mWidgetWithMouseQueue.front();
+
+ if (Widget::widgetExists(widget))
+ {
+ distributeMouseEvent(widget,
+ MouseEvent::EXITED,
+ mLastMousePressButton,
+ mLastMouseX,
+ mLastMouseY,
+ true,
+ true);
+ }
+
+ mWidgetWithMouseQueue.pop_front();
+ }
+
+ mFocusHandler->setLastWidgetWithModalMouseInputFocus(mFocusHandler->getModalMouseInputFocused());
+ }
+
+ void Gui::handleModalFocusReleased()
+ {
+ // 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.
+ Widget* widget = getMouseEventSource(mLastMouseX, mLastMouseY);
+ Widget* parent = widget;
+
+ while (parent != NULL)
+ {
+ parent = (Widget*)widget->getParent();
+
+ // Check if the widget is present in the "widget with mouse" queue.
+ bool widgetIsPresentInQueue = false;
+ std::deque<Widget*>::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,
+ mLastMousePressButton,
+ mLastMouseX,
+ mLastMouseY,
+ false,
+ true);
+ mWidgetWithMouseQueue.push_front(widget);
+ }
+
+ Widget* swap = widget;
+ widget = parent;
+ parent = (Widget*)swap->getParent();
+ }
+ }
+}
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-07-11 07:14:09 +0000