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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/listbox.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/listbox.cpp')
-rw-r--r--src/gui/widgets/listbox.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp
new file mode 100644
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+++ b/src/gui/widgets/listbox.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana 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/>.
+ */
+
+#include "gui/widgets/listbox.h"
+
+#include "client.h"
+#include "configuration.h"
+
+#include "gui/palette.h"
+#include "gui/sdlinput.h"
+#include "gui/theme.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)
+{
+}
+
+ListBox::~ListBox()
+{
+}
+
+void ListBox::updateAlpha()
+{
+ float alpha = std::max(Client::getGuiAlpha(),
+ Theme::instance()->getMinimumOpacity());
+
+ if (mAlpha != alpha)
+ mAlpha = alpha;
+}
+
+void ListBox::draw(gcn::Graphics *graphics)
+{
+ if (!mListModel)
+ return;
+
+ updateAlpha();
+
+ graphics->setColor(Theme::getThemeColor(Theme::HIGHLIGHT,
+ static_cast<int>(mAlpha * 255.0f)));
+ graphics->setFont(getFont());
+
+ const int height = getRowHeight();
+
+ // Draw filled rectangle around the selected list element
+ if (mSelected >= 0)
+ {
+ graphics->fillRectangle(gcn::Rectangle(0, height * mSelected,
+ getWidth(), height));
+ }
+
+ // Draw the list elements
+ graphics->setColor(Theme::getThemeColor(Theme::TEXT));
+ for (int i = 0, y = 0; i < mListModel->getNumberOfElements();
+ ++i, y += height)
+ {
+ graphics->drawText(mListModel->getElementAt(i), 1, y);
+ }
+}
+
+void ListBox::keyPressed(gcn::KeyEvent& keyEvent)
+{
+ gcn::Key key = keyEvent.getKey();
+
+ if (key.getValue() == Key::ENTER || key.getValue() == Key::SPACE)
+ {
+ distributeActionEvent();
+ keyEvent.consume();
+ }
+ else if (key.getValue() == Key::UP)
+ {
+ if (getSelected() > 0)
+ setSelected(mSelected - 1);
+ else if (getSelected() == 0 && mWrappingEnabled && getListModel())
+ setSelected(getListModel()->getNumberOfElements() - 1);
+ keyEvent.consume();
+ }
+ else if (key.getValue() == Key::DOWN)
+ {
+ if (getSelected() < (getListModel()->getNumberOfElements() - 1))
+ {
+ setSelected(mSelected + 1);
+ }
+ else if (getSelected() == (getListModel()->getNumberOfElements() - 1)
+ && mWrappingEnabled)
+ {
+ setSelected(0);
+ }
+ keyEvent.consume();
+ }
+ else if (key.getValue() == Key::HOME)
+ {
+ setSelected(0);
+ keyEvent.consume();
+ }
+ else if (key.getValue() == Key::END && getListModel())
+ {
+ setSelected(getListModel()->getNumberOfElements() - 1);
+ keyEvent.consume();
+ }
+}
+
+// Don't do anything on scrollwheel. ScrollArea will deal with that.
+
+void ListBox::mouseWheelMovedUp(gcn::MouseEvent &mouseEvent _UNUSED_)
+{
+}
+
+void ListBox::mouseWheelMovedDown(gcn::MouseEvent &mouseEvent _UNUSED_)
+{
+}
+
+void ListBox::mouseDragged(gcn::MouseEvent &event)
+{
+ if (event.getButton() != gcn::MouseEvent::LEFT || getRowHeight() == 0)
+ return;
+
+ // Make list selection update on drag, but guard against negative y
+ int y = std::max(0, event.getY());
+ if (getRowHeight())
+ setSelected(y / getRowHeight());
+}