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Diffstat (limited to 'src/guichan/focushandler.cpp')
| -rw-r--r-- | src/guichan/focushandler.cpp | 571 |
1 files changed, 0 insertions, 571 deletions
diff --git a/src/guichan/focushandler.cpp b/src/guichan/focushandler.cpp deleted file mode 100644 index 3249703a3..000000000 --- a/src/guichan/focushandler.cpp +++ /dev/null @@ -1,571 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2011-2014 The ManaPlus Developers - * - * This file is part of The ManaPlus Client. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* _______ __ __ __ ______ __ __ _______ __ __ - * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ - * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / - * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / - * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / - * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / - * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ - * - * 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/focushandler.hpp" - -#include "guichan/focuslistener.hpp" -#include "guichan/exception.hpp" -#include "guichan/widget.hpp" - -#include "debug.h" - -namespace gcn -{ - FocusHandler::FocusHandler() : - mWidgets(), - mFocusedWidget(nullptr), - mModalFocusedWidget(nullptr), - mModalMouseInputFocusedWidget(nullptr), - mDraggedWidget(nullptr), - mLastWidgetWithMouse(nullptr), - mLastWidgetWithModalFocus(nullptr), - mLastWidgetWithModalMouseInputFocus(nullptr), - mLastWidgetPressed(nullptr) - { - } - - void FocusHandler::requestFocus(Widget* widget) - { - if (!widget || widget == mFocusedWidget) - return; - - int toBeFocusedIndex = -1; - for (unsigned int i = 0, sz = static_cast<unsigned int>( - mWidgets.size()); i < sz; ++i) - { - if (mWidgets[i] == widget) - { - toBeFocusedIndex = i; - break; - } - } - - if (toBeFocusedIndex < 0) - throw GCN_EXCEPTION("Trying to focus a none existing widget."); - - Widget *const oldFocused = mFocusedWidget; - - if (oldFocused != widget) - { - mFocusedWidget = mWidgets.at(toBeFocusedIndex); - - if (oldFocused) - { - Event focusEvent(oldFocused); - distributeFocusLostEvent(focusEvent); - } - - Event focusEvent(mWidgets.at(toBeFocusedIndex)); - distributeFocusGainedEvent(focusEvent); - } - } - - void FocusHandler::requestModalFocus(Widget* widget) - { - if (mModalFocusedWidget && mModalFocusedWidget != widget) - throw GCN_EXCEPTION("Another widget already has modal focus."); - - mModalFocusedWidget = widget; - - if (mFocusedWidget && !mFocusedWidget->isModalFocused()) - focusNone(); - } - - void FocusHandler::requestModalMouseInputFocus(Widget* widget) - { - if (mModalMouseInputFocusedWidget - && mModalMouseInputFocusedWidget != widget) - { - throw GCN_EXCEPTION("Another widget already has " - "modal input focus."); - } - - mModalMouseInputFocusedWidget = widget; - } - - void FocusHandler::releaseModalFocus(Widget* widget) - { - if (mModalFocusedWidget == widget) - mModalFocusedWidget = nullptr; - } - - void FocusHandler::releaseModalMouseInputFocus(Widget* widget) - { - if (mModalMouseInputFocusedWidget == widget) - mModalMouseInputFocusedWidget = nullptr; - } - - Widget* FocusHandler::getFocused() const - { - return mFocusedWidget; - } - - Widget* FocusHandler::getModalFocused() const - { - return mModalFocusedWidget; - } - - Widget* FocusHandler::getModalMouseInputFocused() const - { - return mModalMouseInputFocusedWidget; - } - - void FocusHandler::focusNext() - { - int i; - int focusedWidget = -1; - const int sz = static_cast<int>(mWidgets.size()); - for (i = 0; i < sz; ++i) - { - if (mWidgets[i] == mFocusedWidget) - focusedWidget = i; - } - const int focused = focusedWidget; - - // i is a counter that ensures that the following loop - // won't get stuck in an infinite loop - i = sz; - do - { - ++ focusedWidget; - - if (i == 0) - { - focusedWidget = -1; - break; - } - - -- i; - - if (focusedWidget >= sz) - focusedWidget = 0; - - if (focusedWidget == focused) - return; - } - while (!mWidgets.at(focusedWidget)->isFocusable()); - - if (focusedWidget >= 0) - { - mFocusedWidget = mWidgets.at(focusedWidget); - - Event focusEvent(mFocusedWidget); - distributeFocusGainedEvent(focusEvent); - } - - if (focused >= 0) - { - Event focusEvent(mWidgets.at(focused)); - distributeFocusLostEvent(focusEvent); - } - } - - void FocusHandler::focusPrevious() - { - if (mWidgets.empty()) - { - mFocusedWidget = nullptr; - return; - } - - int i; - int focusedWidget = -1; - const int sz = static_cast<int>(mWidgets.size()); - for (i = 0; i < sz; ++ i) - { - if (mWidgets[i] == mFocusedWidget) - focusedWidget = i; - } - const int focused = focusedWidget; - - // i is a counter that ensures that the following loop - // won't get stuck in an infinite loop - i = sz; - do - { - -- focusedWidget; - - if (i == 0) - { - focusedWidget = -1; - break; - } - - -- i; - - if (focusedWidget <= 0) - focusedWidget = sz - 1; - - if (focusedWidget == focused) - return; - } - while (!mWidgets.at(focusedWidget)->isFocusable()); - - if (focusedWidget >= 0) - { - mFocusedWidget = mWidgets.at(focusedWidget); - Event focusEvent(mFocusedWidget); - distributeFocusGainedEvent(focusEvent); - } - - if (focused >= 0) - { - Event focusEvent(mWidgets.at(focused)); - distributeFocusLostEvent(focusEvent); - } - } - - bool FocusHandler::isFocused(const Widget* widget) const - { - return mFocusedWidget == widget; - } - - void FocusHandler::add(Widget* widget) - { - mWidgets.push_back(widget); - } - - void FocusHandler::remove(Widget* widget) - { - if (isFocused(widget)) - mFocusedWidget = nullptr; - - for (WidgetIterator iter = mWidgets.begin(); - iter != mWidgets.end(); ++iter) - { - if ((*iter) == widget) - { - mWidgets.erase(iter); - break; - } - } - - if (mDraggedWidget == widget) - { - mDraggedWidget = nullptr; - return; - } - - if (mLastWidgetWithMouse == widget) - { - mLastWidgetWithMouse = nullptr; - return; - } - - if (mLastWidgetWithModalFocus == widget) - { - mLastWidgetWithModalFocus = nullptr; - return; - } - - if (mLastWidgetWithModalMouseInputFocus == widget) - { - mLastWidgetWithModalMouseInputFocus = nullptr; - return; - } - - if (mLastWidgetPressed == widget) - { - mLastWidgetPressed = nullptr; - return; - } - } - - void FocusHandler::focusNone() - { - if (mFocusedWidget) - { - Widget *const focused = mFocusedWidget; - mFocusedWidget = nullptr; - - Event focusEvent(focused); - distributeFocusLostEvent(focusEvent); - } - } - - void FocusHandler::tabNext() - { - if (mFocusedWidget) - { - if (!mFocusedWidget->isTabOutEnabled()) - return; - } - - if (mWidgets.empty()) - { - mFocusedWidget = nullptr; - return; - } - - int i; - int focusedWidget = -1; - const int sz = static_cast<int>(mWidgets.size()); - for (i = 0; i < sz; ++ i) - { - if (mWidgets[i] == mFocusedWidget) - focusedWidget = i; - } - const int focused = focusedWidget; - bool done = false; - - // i is a counter that ensures that the following loop - // won't get stuck in an infinite loop - i = sz; - do - { - ++ focusedWidget; - - if (i == 0) - { - focusedWidget = -1; - break; - } - - -- i; - - if (focusedWidget >= sz) - focusedWidget = 0; - - if (focusedWidget == focused) - return; - - const Widget *const widget = mWidgets.at(focusedWidget); - if (widget->isFocusable() && widget->isTabInEnabled() && - (!mModalFocusedWidget || widget->isModalFocused())) - { - done = true; - } - } - while (!done); - - if (focusedWidget >= 0) - { - mFocusedWidget = mWidgets.at(focusedWidget); - Event focusEvent(mFocusedWidget); - distributeFocusGainedEvent(focusEvent); - } - - if (focused >= 0) - { - Event focusEvent(mWidgets.at(focused)); - distributeFocusLostEvent(focusEvent); - } - } - - void FocusHandler::tabPrevious() - { - if (mFocusedWidget) - { - if (!mFocusedWidget->isTabOutEnabled()) - return; - } - - if (mWidgets.empty()) - { - mFocusedWidget = nullptr; - return; - } - - int i; - int focusedWidget = -1; - const int sz = static_cast<int>(mWidgets.size()); - for (i = 0; i < sz; ++ i) - { - if (mWidgets[i] == mFocusedWidget) - focusedWidget = i; - } - const int focused = focusedWidget; - bool done = false; - - // i is a counter that ensures that the following loop - // won't get stuck in an infinite loop - i = sz; - do - { - -- focusedWidget; - - if (i == 0) - { - focusedWidget = -1; - break; - } - - -- i; - - if (focusedWidget <= 0) - focusedWidget = sz - 1; - - if (focusedWidget == focused) - return; - - const Widget *const widget = mWidgets.at(focusedWidget); - if (widget->isFocusable() && widget->isTabInEnabled() && - (!mModalFocusedWidget || widget->isModalFocused())) - { - done = true; - } - } - while (!done); - - if (focusedWidget >= 0) - { - mFocusedWidget = mWidgets.at(focusedWidget); - Event focusEvent(mFocusedWidget); - distributeFocusGainedEvent(focusEvent); - } - - if (focused >= 0) - { - Event focusEvent(mWidgets.at(focused)); - distributeFocusLostEvent(focusEvent); - } - } - - void FocusHandler::distributeFocusLostEvent(const Event& focusEvent) - { - Widget *const sourceWidget = focusEvent.getSource(); - - std::list<FocusListener*> focusListeners - = sourceWidget->_getFocusListeners(); - - // Send the event to all focus listeners of the widget. - for (std::list<FocusListener*>::const_iterator - it = focusListeners.begin(); - it != focusListeners.end(); - ++ it) - { - (*it)->focusLost(focusEvent); - } - } - - void FocusHandler::distributeFocusGainedEvent(const Event& focusEvent) - { - Widget *const sourceWidget = focusEvent.getSource(); - - std::list<FocusListener*> focusListeners - = sourceWidget->_getFocusListeners(); - - // Send the event to all focus listeners of the widget. - for (std::list<FocusListener*>::const_iterator - it = focusListeners.begin(); - it != focusListeners.end(); - ++ it) - { - (*it)->focusGained(focusEvent); - } - } - - Widget* FocusHandler::getDraggedWidget() - { - return mDraggedWidget; - } - - void FocusHandler::setDraggedWidget(Widget* draggedWidget) - { - mDraggedWidget = draggedWidget; - } - - Widget* FocusHandler::getLastWidgetWithMouse() - { - return mLastWidgetWithMouse; - } - - void FocusHandler::setLastWidgetWithMouse(Widget* lastWidgetWithMouse) - { - mLastWidgetWithMouse = lastWidgetWithMouse; - } - - Widget* FocusHandler::getLastWidgetWithModalFocus() - { - return mLastWidgetWithModalFocus; - } - - void FocusHandler::setLastWidgetWithModalFocus(Widget* widget) - { - mLastWidgetWithModalFocus = widget; - } - - Widget* FocusHandler::getLastWidgetWithModalMouseInputFocus() - { - return mLastWidgetWithModalMouseInputFocus; - } - - void FocusHandler::setLastWidgetWithModalMouseInputFocus(Widget* widget) - { - mLastWidgetWithModalMouseInputFocus = widget; - } - - Widget* FocusHandler::getLastWidgetPressed() - { - return mLastWidgetPressed; - } - - void FocusHandler::setLastWidgetPressed(Widget* lastWidgetPressed) - { - mLastWidgetPressed = lastWidgetPressed; - } -} // namespace gcn |