From d69d85f06fa6dc22ac4c7789e4140e32d119a7f1 Mon Sep 17 00:00:00 2001
From: Bjørn Lindeijer <bjorn@lindeijer.nl>
Date: Tue, 7 Apr 2009 23:47:57 +0200
Subject: 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.
---
 src/gui/widgets/listbox.cpp | 158 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 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 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);
+}
-- 
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