diff options
Diffstat (limited to 'src/gui/widgets')
| -rw-r--r-- | src/gui/widgets/listbox.cpp | 114 | ||||
| -rw-r--r-- | src/gui/widgets/listbox.h | 179 |
2 files changed, 289 insertions, 4 deletions
diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp index c6e431634..c12a3fe53 100644 --- a/src/gui/widgets/listbox.cpp +++ b/src/gui/widgets/listbox.cpp @@ -20,6 +20,49 @@ * 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. + */ + #include "gui/widgets/listbox.h" #include "client.h" @@ -28,6 +71,8 @@ #include "input/keydata.h" +#include "listeners/selectionlistener.h" + #include "gui/focushandler.h" #include "gui/font.h" #include "gui/gui.h" @@ -43,7 +88,13 @@ float ListBox::mAlpha = 1.0; ListBox::ListBox(const Widget2 *const widget, ListModel *const listModel, const std::string &skin) : - gcn::ListBox(widget, listModel), + Widget(widget), + MouseListener(), + KeyListener(), + mSelected(-1), + mListModel(listModel), + mWrappingEnabled(false), + mSelectionListeners(), mHighlightColor(getThemeColor(Theme::HIGHLIGHT)), mForegroundSelectedColor(getThemeColor(Theme::LISTBOX_SELECTED)), mForegroundSelectedColor2(getThemeColor(Theme::LISTBOX_SELECTED_OUTLINE)), @@ -56,6 +107,11 @@ ListBox::ListBox(const Widget2 *const widget, mDistributeMousePressed(true), mCenterText(false) { + setWidth(100); + setFocusable(true); + addMouseListener(this); + addKeyListener(this); + mForegroundColor = getThemeColor(Theme::LISTBOX); mForegroundColor2 = getThemeColor(Theme::LISTBOX_OUTLINE); @@ -313,3 +369,59 @@ int ListBox::getSelectionByMouse(const int y) const return -1; return (y - mPadding) / getRowHeight(); } + +void ListBox::setSelected(const int selected) +{ + if (!mListModel) + { + mSelected = -1; + } + else + { + if (selected < 0) + mSelected = -1; + else if (selected >= mListModel->getNumberOfElements()) + mSelected = mListModel->getNumberOfElements() - 1; + else + mSelected = selected; + } + + Rect scroll; + + if (mSelected < 0) + scroll.y = 0; + else + scroll.y = getRowHeight() * mSelected; + + scroll.height = getRowHeight(); + showPart(scroll); + + distributeValueChangedEvent(); +} + +void ListBox::setListModel(ListModel *const listModel) +{ + mSelected = -1; + mListModel = listModel; + adjustSize(); +} + +void ListBox::addSelectionListener(SelectionListener *const selectionListener) +{ + mSelectionListeners.push_back(selectionListener); +} + +void ListBox::removeSelectionListener(SelectionListener *const + selectionListener) +{ + mSelectionListeners.remove(selectionListener); +} + +void ListBox::distributeValueChangedEvent() +{ + FOR_EACH (SelectionListenerIterator, iter, mSelectionListeners) + { + SelectionEvent event(this); + (*iter)->valueChanged(event); + } +} diff --git a/src/gui/widgets/listbox.h b/src/gui/widgets/listbox.h index 64faa6eb5..f784b3237 100644 --- a/src/gui/widgets/listbox.h +++ b/src/gui/widgets/listbox.h @@ -20,12 +20,58 @@ * 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. + */ + #ifndef GUI_WIDGETS_LISTBOX_H #define GUI_WIDGETS_LISTBOX_H #include "gui/color.h" -#include "gui/base/widgets/listbox.hpp" +#include "gui/widgets/widget.h" + +#include "listeners/keylistener.h" +#include "listeners/mouselistener.h" #include "localconsts.h" @@ -33,6 +79,7 @@ class Skin; class KeyEvent; class ListModel; class MouseEvent; +class SelectionListener; class Widget2; /** @@ -42,7 +89,9 @@ class Widget2; * * \ingroup GUI */ -class ListBox : public gcn::ListBox +class ListBox : public Widget, + public MouseListener, + public KeyListener { public: /** @@ -103,13 +152,137 @@ class ListBox : public gcn::ListBox int getPressedIndex() const { return mPressedIndex; } - unsigned int getRowHeight() const override A_WARN_UNUSED + virtual unsigned int getRowHeight() const A_WARN_UNUSED { return mRowHeight; } void setRowHeight(unsigned int n) { mRowHeight = n; } + /** + * Gets the selected item as an index in the list model. + * + * @return the selected item as an index in the list model. + * @see setSelected + */ + int getSelected() const + { return mSelected; } + + /** + * Sets the selected item. The selected item is represented by + * an index from the list model. + * + * @param selected the selected item as an index from the list model. + * @see getSelected + */ + void setSelected(const int selected); + + /** + * Sets the list model to use. + * + * @param listModel the list model to use. + * @see getListModel + */ + void setListModel(ListModel *listModel); + + /** + * Gets the list model used. + * + * @return the list model used. + * @see setListModel + */ + ListModel *getListModel() const + { return mListModel; } + + /** + * Checks whether the list box wraps when selecting items with a + * keyboard. + * + * Wrapping means that the selection of items will be wrapped. That is, + * if the first item is selected and up is pressed, the last item will + * get selected. If the last item is selected and down is pressed, the + * first item will get selected. + * + * @return true if wrapping is enabled, fasle otherwise. + * @see setWrappingEnabled + */ + bool isWrappingEnabled() const + { return mWrappingEnabled; } + + /** + * Sets the list box to wrap or not when selecting items with a + * keyboard. + * + * Wrapping means that the selection of items will be wrapped. That is, + * if the first item is selected and up is pressed, the last item will + * get selected. If the last item is selected and down is pressed, the + * first item will get selected. + * + * @see isWrappingEnabled + */ + void setWrappingEnabled(const bool wrappingEnabled) + { mWrappingEnabled = wrappingEnabled; } + + /** + * Adds a selection listener to the list box. When the selection + * changes an event will be sent to all selection listeners of the + * list box. + * + * If you delete your selection listener, be sure to also remove it + * using removeSelectionListener(). + * + * @param selectionListener The selection listener to add. + * @since 0.8.0 + */ + void addSelectionListener(SelectionListener *const selectionListener); + + /** + * Removes a selection listener from the list box. + * + * @param selectionListener The selection listener to remove. + * @since 0.8.0 + */ + void removeSelectionListener(SelectionListener *const + selectionListener); + + /** + * Distributes a value changed event to all selection listeners + * of the list box. + * + * @since 0.8.0 + */ + void distributeValueChangedEvent(); + protected: + /** + * The selected item as an index in the list model. + */ + int mSelected; + + /** + * The list model to use. + */ + ListModel *mListModel; + + /** + * True if wrapping is enabled, false otherwise. + */ + bool mWrappingEnabled; + + /** + * Typdef. + */ + typedef std::list<SelectionListener*> SelectionListenerList; + + /** + * The selection listeners of the list box. + */ + SelectionListenerList mSelectionListeners; + + /** + * Typedef. + */ + typedef SelectionListenerList::iterator SelectionListenerIterator; + Color mHighlightColor; Color mForegroundSelectedColor; Color mForegroundSelectedColor2; |