From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 2 Jan 2011 01:48:38 +0200
Subject: Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
---
 src/gui/widgets/listbox.cpp | 146 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/gui/widgets/listbox.cpp

(limited to 'src/gui/widgets/listbox.cpp')

diff --git a/src/gui/widgets/listbox.cpp b/src/gui/widgets/listbox.cpp
new file mode 100644
index 000000000..8dcc4ae67
--- /dev/null
+++ b/src/gui/widgets/listbox.cpp
@@ -0,0 +1,146 @@
+/*
+ *  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());
+}
-- 
cgit v1.2.3-70-g09d2