Add SliderList control.

1 files changed, 216 insertions, 0 deletions

diff --git a/src/gui/widgets/sliderlist.cpp b/src/gui/widgets/sliderlist.cpp
new file mode 100644
index 000000000..bc30bbe38
--- /dev/null
+++ b/src/gui/widgets/sliderlist.cpp
@@ -0,0 +1,216 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus 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/sliderlist.h"
+
+#include "client.h"
+#include "logger.h"
+
+#include "gui/gui.h"
+
+#include "gui/widgets/button.h"
+#include "gui/widgets/label.h"
+
+#include "utils/dtor.h"
+
+#include <guichan/font.hpp>
+
+#include "debug.h"
+
+static const int buttonWidth = 27;
+static const int buttonSpace = 30;
+static const int sliderHeight = 30;
+
+SliderList::SliderList(gcn::ListModel *listModel,
+                       gcn::ActionListener* listener,
+                       std::string eventId) :
+    mListModel(listModel),
+    mOldWidth(0),
+    mSelectedIndex(0)
+{
+    mPrevEventId = eventId + "_prev";
+    mNextEventId = eventId + "_next";
+
+    setHeight(sliderHeight);
+
+    mButtons[0] = new Button("<", mPrevEventId, this);
+    mButtons[1] = new Button(">", mNextEventId, this);
+    mLabel = new Label("");
+    add(mButtons[0]);
+    add(mLabel);
+    add(mButtons[1]);
+
+    if (!eventId.empty())
+        setActionEventId(eventId);
+
+    if (listener)
+        addActionListener(listener);
+
+    updateLabel();
+    addMouseListener(this);
+}
+
+SliderList::~SliderList()
+{
+}
+
+void SliderList::updateAlpha()
+{
+    mButtons[0]->updateAlpha();
+    mButtons[1]->updateAlpha();
+}
+
+void SliderList::mouseWheelMovedUp(gcn::MouseEvent& mouseEvent)
+{
+    logger->log("SliderList::mouseWheelMovedUp");
+    setSelected(mSelectedIndex - 1);
+    mouseEvent.consume();
+}
+
+void SliderList::mouseWheelMovedDown(gcn::MouseEvent& mouseEvent)
+{
+    setSelected(mSelectedIndex + 1);
+    mouseEvent.consume();
+}
+
+void SliderList::resize()
+{
+    const int width = getWidth();
+
+    mButtons[0]->setWidth(buttonWidth);
+//    mLabel->setPosition(buttonSpace, 0);
+    mLabel->setWidth(width - buttonSpace * 2);
+    mButtons[1]->setPosition(width - buttonSpace + 3, 0);
+    mButtons[1]->setWidth(buttonWidth);
+    updateLabel();
+}
+
+void SliderList::draw(gcn::Graphics *graphics)
+{
+    if (mOldWidth != getWidth())
+    {
+        resize();
+        mOldWidth = getWidth();
+    }
+    Container::draw(graphics);
+}
+
+void SliderList::updateLabel()
+{
+    if (!mListModel || mSelectedIndex < 0
+        || mSelectedIndex >= mListModel->getNumberOfElements())
+    {
+        return;
+    }
+
+    mLabel->setCaption(mListModel->getElementAt(mSelectedIndex));
+    mLabel->adjustSize();
+    const int space = getWidth() - buttonSpace * 2;
+    const int labelWidth = mLabel->getWidth();
+    int labelY = (getHeight() - mLabel->getHeight()) / 2;
+    if (labelY < 0)
+        labelY = 0;
+
+    if (space < 0 || space < labelWidth)
+        mLabel->setPosition(buttonSpace, labelY);
+    else
+        mLabel->setPosition(buttonSpace + (space - labelWidth) / 2, labelY);
+}
+
+void SliderList::action(const gcn::ActionEvent &event)
+{
+    if (!mListModel)
+        return;
+
+    if (event.getId() == mPrevEventId)
+    {
+        mSelectedIndex --;
+        if (mSelectedIndex < 0)
+            mSelectedIndex = mListModel->getNumberOfElements() - 1;
+    }
+    else if (event.getId() == mNextEventId)
+    {
+        mSelectedIndex ++;
+        if (mSelectedIndex >= mListModel->getNumberOfElements())
+            mSelectedIndex = 0;
+    }
+    updateLabel();
+    distributeActionEvent();
+}
+
+void SliderList::setSelectedString(std::string str)
+{
+    if (!mListModel)
+        return;
+
+    for (int f = 0; f < mListModel->getNumberOfElements(); f ++)
+    {
+        if (mListModel->getElementAt(f) == str)
+        {
+            setSelected(f);
+            break;
+        }
+    }
+}
+
+std::string SliderList::getSelectedString() const
+{
+    if (!mListModel)
+        return "";
+
+    return mListModel->getElementAt(mSelectedIndex);
+}
+
+void SliderList::setSelected(int idx)
+{
+    if (!mListModel)
+        return;
+
+    mSelectedIndex = idx;
+    if (mSelectedIndex >= mListModel->getNumberOfElements())
+        mSelectedIndex = 0;
+    if (mSelectedIndex < 0)
+        mSelectedIndex = mListModel->getNumberOfElements() - 1;
+    updateLabel();
+}
+
+void SliderList::adjustSize()
+{
+    setWidth(getMaxLabelWidth() + 60);
+    updateLabel();
+}
+
+int SliderList::getMaxLabelWidth()
+{
+    if (!mListModel || !gui)
+        return 1;
+
+    int maxWidth = 0;
+    gcn::Font *font = gui->getFont();
+
+    for (int f = 0; f < mListModel->getNumberOfElements(); f ++)
+    {
+        int w = font->getWidth(mListModel->getElementAt(f));
+        if (w > maxWidth)
+            maxWidth = w;
+    }
+
+    return maxWidth;
+}