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Diffstat (limited to 'src/guichan/widgets/tabbedarea.cpp')
| -rw-r--r-- | src/guichan/widgets/tabbedarea.cpp | 482 |
1 files changed, 482 insertions, 0 deletions
diff --git a/src/guichan/widgets/tabbedarea.cpp b/src/guichan/widgets/tabbedarea.cpp new file mode 100644 index 000000000..e07d14c4d --- /dev/null +++ b/src/guichan/widgets/tabbedarea.cpp @@ -0,0 +1,482 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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/widgets/tabbedarea.hpp" + +#include "guichan/exception.hpp" +#include "guichan/focushandler.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" + +#include "guichan/widgets/container.hpp" +#include "guichan/widgets/tab.hpp" + +#include <algorithm> + +namespace gcn +{ + TabbedArea::TabbedArea() + :mSelectedTab(NULL), + mOpaque(false) + { + setFocusable(true); + addKeyListener(this); + addMouseListener(this); + + mTabContainer = new Container(); + mTabContainer->setOpaque(false); + mWidgetContainer = new Container(); + + add(mTabContainer); + add(mWidgetContainer); + } + + TabbedArea::~TabbedArea() + { + remove(mTabContainer); + remove(mWidgetContainer); + + delete mTabContainer; + delete mWidgetContainer; + + for (unsigned int i = 0; i < mTabsToDelete.size(); i++) + { + delete mTabsToDelete[i]; + } + } + + void TabbedArea::addTab(const std::string& caption, Widget* widget) + { + Tab* tab = new Tab(); + tab->setCaption(caption); + mTabsToDelete.push_back(tab); + + addTab(tab, widget); + } + + void TabbedArea::addTab(Tab* tab, Widget* widget) + { + tab->setTabbedArea(this); + tab->addActionListener(this); + + mTabContainer->add(tab); + mTabs.push_back(std::pair<Tab*, Widget*>(tab, widget)); + + if (mSelectedTab == NULL) + { + setSelectedTab(tab); + } + + adjustTabPositions(); + adjustSize(); + } + + void TabbedArea::removeTabWithIndex(unsigned int index) + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + removeTab(mTabs[index].first); + } + + void TabbedArea::removeTab(Tab* tab) + { + int tabIndexToBeSelected = - 1; + + if (tab == mSelectedTab) + { + int index = getSelectedTabIndex(); + + if (index == (int)mTabs.size() - 1 + && mTabs.size() >= 2) + { + tabIndexToBeSelected = index--; + } + else if (index == (int)mTabs.size() - 1 + && mTabs.size() == 1) + { + tabIndexToBeSelected = -1; + } + else + { + tabIndexToBeSelected = index; + } + } + + std::vector<std::pair<Tab*, Widget*> >::iterator iter; + for (iter = mTabs.begin(); iter != mTabs.end(); iter++) + { + if (iter->first == tab) + { + mTabContainer->remove(tab); + mTabs.erase(iter); + break; + } + } + + std::vector<Tab*>::iterator iter2; + for (iter2 = mTabsToDelete.begin(); iter2 != mTabsToDelete.end(); iter2++) + { + if (*iter2 == tab) + { + mTabsToDelete.erase(iter2); + delete tab; + break; + } + } + + if (tabIndexToBeSelected == -1) + { + mSelectedTab = NULL; + mWidgetContainer->clear(); + } + else + { + setSelectedTab(tabIndexToBeSelected); + } + + adjustSize(); + adjustTabPositions(); + } + + bool TabbedArea::isTabSelected(unsigned int index) const + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + return mSelectedTab == mTabs[index].first; + } + + bool TabbedArea::isTabSelected(Tab* tab) + { + return mSelectedTab == tab; + } + + void TabbedArea::setSelectedTab(unsigned int index) + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + setSelectedTab(mTabs[index].first); + } + + void TabbedArea::setSelectedTab(Tab* tab) + { + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == mSelectedTab) + { + mWidgetContainer->remove(mTabs[i].second); + } + } + + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == tab) + { + mSelectedTab = tab; + mWidgetContainer->add(mTabs[i].second); + } + } + } + + int TabbedArea::getSelectedTabIndex() const + { + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == mSelectedTab) + { + return i; + } + } + + return -1; + } + + Tab* TabbedArea::getSelectedTab() + { + return mSelectedTab; + } + + void TabbedArea::setOpaque(bool opaque) + { + mOpaque = opaque; + } + + bool TabbedArea::isOpaque() const + { + return mOpaque; + } + + void TabbedArea::draw(Graphics *graphics) + { + const Color &faceColor = getBaseColor(); + const int alpha = getBaseColor().a; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + // Draw a border. + graphics->setColor(highlightColor); + graphics->drawLine(0, + mTabContainer->getHeight(), + 0, + getHeight() - 2); + graphics->setColor(shadowColor); + graphics->drawLine(getWidth() - 1, + mTabContainer->getHeight() + 1, + getWidth() - 1, + getHeight() - 1); + graphics->drawLine(1, + getHeight() - 1, + getWidth() - 1, + getHeight() - 1); + + if (isOpaque()) + { + graphics->setColor(getBaseColor()); + graphics->fillRectangle(Rectangle(1, 1, + getWidth() - 2, + getHeight() - 2)); + } + + // Draw a line underneath the tabs. + graphics->setColor(highlightColor); + graphics->drawLine(1, + mTabContainer->getHeight(), + getWidth() - 1, + mTabContainer->getHeight()); + + // If a tab is selected, remove the line right underneath + // the selected tab. + if (mSelectedTab != NULL) + { + graphics->setColor(getBaseColor()); + graphics->drawLine(mSelectedTab->getX() + 1, + mTabContainer->getHeight(), + mSelectedTab->getX() + mSelectedTab->getWidth() - 2, + mTabContainer->getHeight()); + + } + + drawChildren(graphics); + } + + void TabbedArea::logic() + { + } + + void TabbedArea::adjustSize() + { + int maxTabHeight = 0; + + for (unsigned int i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first->getHeight() > maxTabHeight) + { + maxTabHeight = mTabs[i].first->getHeight(); + } + } + + mTabContainer->setSize(getWidth() - 2, + maxTabHeight); + + mWidgetContainer->setPosition(1, maxTabHeight + 1); + mWidgetContainer->setSize(getWidth() - 2, + getHeight() - maxTabHeight - 2); + } + + void TabbedArea::adjustTabPositions() + { + int maxTabHeight = 0; + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first->getHeight() > maxTabHeight) + { + maxTabHeight = mTabs[i].first->getHeight(); + } + } + + int x = 0; + for (i = 0; i < mTabs.size(); i++) + { + Tab* tab = mTabs[i].first; + tab->setPosition(x, maxTabHeight - tab->getHeight()); + x += tab->getWidth(); + } + } + + void TabbedArea::setWidth(int width) + { + Widget::setWidth(width); + adjustSize(); + } + + void TabbedArea::setHeight(int height) + { + Widget::setHeight(height); + adjustSize(); + } + + void TabbedArea::setSize(int width, int height) + { + Widget::setSize(width, height); + adjustSize(); + } + + void TabbedArea::setDimension(const Rectangle& dimension) + { + Widget::setDimension(dimension); + adjustSize(); + } + + void TabbedArea::keyPressed(KeyEvent& keyEvent) + { + if (keyEvent.isConsumed() || !isFocused()) + { + return; + } + + if (keyEvent.getKey().getValue() == Key::LEFT) + { + int index = getSelectedTabIndex(); + index--; + + if (index < 0) + { + return; + } + else + { + setSelectedTab(mTabs[index].first); + } + + keyEvent.consume(); + } + else if (keyEvent.getKey().getValue() == Key::RIGHT) + { + int index = getSelectedTabIndex(); + index++; + + if (index >= (int)mTabs.size()) + { + return; + } + else + { + setSelectedTab(mTabs[index].first); + } + + keyEvent.consume(); + } + } + + + void TabbedArea::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.isConsumed()) + { + return; + } + + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + Widget* widget = mTabContainer->getWidgetAt(mouseEvent.getX(), mouseEvent.getY()); + Tab* tab = dynamic_cast<Tab*>(widget); + + if (tab != NULL) + { + setSelectedTab(tab); + } + } + + // Request focus only if the source of the event + // is not focusble. If the source of the event + // is focused we don't want to steal the focus. + if (!mouseEvent.getSource()->isFocusable()) + { + requestFocus(); + } + } + + void TabbedArea::death(const Event& event) + { + Tab* tab = dynamic_cast<Tab*>(event.getSource()); + + if (tab != NULL) + { + removeTab(tab); + } + else + { + BasicContainer::death(event); + } + } + + void TabbedArea::action(const ActionEvent& actionEvent) + { + Widget* source = actionEvent.getSource(); + Tab* tab = dynamic_cast<Tab*>(source); + + if (tab == NULL) + { + throw GCN_EXCEPTION("Received an action from a widget that's not a tab!"); + } + + setSelectedTab(tab); + } +} |