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author | Bjørn Lindeijer <bjorn@lindeijer.nl> | 2009-04-07 23:47:57 +0200 |
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committer | Bjørn Lindeijer <bjorn@lindeijer.nl> | 2009-04-07 23:52:46 +0200 |
commit | d69d85f06fa6dc22ac4c7789e4140e32d119a7f1 (patch) | |
tree | 1d2311bfdba616136d0ac26f8cbe9ab73c88f0e4 /src/gui/widgets/listbox.cpp | |
parent | 303c1f69761e90b83d4809e911f7785ec66b46aa (diff) | |
download | mana-d69d85f06fa6dc22ac4c7789e4140e32d119a7f1.tar.gz mana-d69d85f06fa6dc22ac4c7789e4140e32d119a7f1.tar.bz2 mana-d69d85f06fa6dc22ac4c7789e4140e32d119a7f1.tar.xz mana-d69d85f06fa6dc22ac4c7789e4140e32d119a7f1.zip |
Moved basic widgets into the gui/widgets directory
In an attempt to make the GUI code a little more structured, basic
widgets are now put in gui/widgets. Many includes were also cleaned up.
Diffstat (limited to 'src/gui/widgets/listbox.cpp')
-rw-r--r-- | src/gui/widgets/listbox.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp new file mode 100644 index 00000000..1271bf77 --- /dev/null +++ b/src/gui/widgets/listbox.cpp @@ -0,0 +1,158 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "gui/widgets/listbox.h" + +#include "gui/palette.h" + +#include "configuration.h" + +#include <guichan/font.hpp> +#include <guichan/graphics.hpp> +#include <guichan/key.hpp> +#include <guichan/listmodel.hpp> + +float ListBox::mAlpha = 1.0; + +ListBox::ListBox(gcn::ListModel *listModel): + gcn::ListBox(listModel) +{ +} + +void ListBox::draw(gcn::Graphics *graphics) +{ + if (!mListModel) + return; + + if (config.getValue("guialpha", 0.8) != mAlpha) + mAlpha = config.getValue("guialpha", 0.8); + + graphics->setColor(guiPalette->getColor(Palette::HIGHLIGHT, + (int)(mAlpha * 255.0f))); + graphics->setFont(getFont()); + + const int fontHeight = getFont()->getHeight(); + + // Draw filled rectangle around the selected list element + if (mSelected >= 0) + graphics->fillRectangle(gcn::Rectangle(0, fontHeight * mSelected, + getWidth(), fontHeight)); + + // Draw the list elements + graphics->setColor(guiPalette->getColor(Palette::TEXT)); + for (int i = 0, y = 0; i < mListModel->getNumberOfElements(); + ++i, y += fontHeight) + { + graphics->drawText(mListModel->getElementAt(i), 1, y); + } +} + +void ListBox::setSelected(int selected) +{ + if (!mListModel) + { + mSelected = -1; + } + else + { + if (selected < 0 && !mWrappingEnabled) + { + mSelected = -1; + } + else if (selected >= mListModel->getNumberOfElements() && + mWrappingEnabled) + { + mSelected = 0; + } + else if ((selected >= mListModel->getNumberOfElements() && + !mWrappingEnabled) || (selected < 0 && mWrappingEnabled)) + { + mSelected = mListModel->getNumberOfElements() - 1; + } + else + { + mSelected = selected; + } + } + gcn::ListBox::setSelected(mSelected); +} + +// -- KeyListener notifications +void ListBox::keyPressed(gcn::KeyEvent& keyEvent) +{ + gcn::Key key = keyEvent.getKey(); + + if (key.getValue() == gcn::Key::ENTER || key.getValue() == gcn::Key::SPACE) + { + distributeActionEvent(); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::UP) + { + setSelected(mSelected - 1); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::DOWN) + { + setSelected(mSelected + 1); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::HOME) + { + setSelected(0); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::END) + { + setSelected(getListModel()->getNumberOfElements() - 1); + keyEvent.consume(); + } +} + +void ListBox::mouseWheelMovedUp(gcn::MouseEvent& mouseEvent) +{ + if (isFocused()) + { + if (getSelected() > 0 || (getSelected() == 0 && mWrappingEnabled)) + { + setSelected(getSelected() - 1); + } + + mouseEvent.consume(); + } +} + +void ListBox::mouseWheelMovedDown(gcn::MouseEvent& mouseEvent) +{ + if (isFocused()) + { + setSelected(getSelected() + 1); + + mouseEvent.consume(); + } +} + +void ListBox::mouseDragged(gcn::MouseEvent &event) +{ + // Pretend mouse is pressed continuously while dragged. Causes list + // selection to be updated as is default in many GUIs. + mousePressed(event); +} |