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/*
* The Mana World
* Copyright (C) 2006 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 <algorithm>
#include "dropdown.h"
#include "../color.h"
#include "../listbox.h"
#include "../scrollarea.h"
#include "../../configuration.h"
#include "../../graphics.h"
#include "../../resources/image.h"
#include "../../resources/resourcemanager.h"
#include "../../utils/dtor.h"
int DropDown::instances = 0;
Image *DropDown::buttons[2][2];
ImageRect DropDown::skin;
float DropDown::mAlpha = config.getValue("guialpha", 0.8);
DropDown::DropDown(gcn::ListModel *listModel, gcn::ScrollArea *scrollArea,
gcn::ListBox *listBox, bool opacity):
gcn::DropDown::DropDown(listModel, scrollArea, listBox),
mOpaque(opacity)
{
setFrameSize(2);
// Initialize graphics
if (instances == 0)
{
// Load the background skin
ResourceManager *resman = ResourceManager::getInstance();
// Get the button skin
buttons[1][0] =
resman->getImage("graphics/gui/vscroll_up_default.png");
buttons[0][0] =
resman->getImage("graphics/gui/vscroll_down_default.png");
buttons[1][1] =
resman->getImage("graphics/gui/vscroll_up_pressed.png");
buttons[0][1] =
resman->getImage("graphics/gui/vscroll_down_pressed.png");
buttons[0][0]->setAlpha(mAlpha);
buttons[0][1]->setAlpha(mAlpha);
buttons[1][0]->setAlpha(mAlpha);
buttons[1][1]->setAlpha(mAlpha);
// get the border skin
Image *boxBorder = resman->getImage("graphics/gui/deepbox.png");
int gridx[4] = {0, 3, 28, 31};
int gridy[4] = {0, 3, 28, 31};
int a = 0, x, y;
for (y = 0; y < 3; y++)
{
for (x = 0; x < 3; x++)
{
skin.grid[a] = boxBorder->getSubImage(gridx[x], gridy[y],
gridx[x + 1] -
gridx[x] + 1,
gridy[y + 1] -
gridy[y] + 1);
skin.grid[a]->setAlpha(mAlpha);
a++;
}
}
boxBorder->decRef();
}
instances++;
}
DropDown::~DropDown()
{
instances--;
// Free images memory
if (instances == 0)
{
buttons[0][0]->decRef();
buttons[0][1]->decRef();
buttons[1][0]->decRef();
buttons[1][1]->decRef();
for_each(skin.grid, skin.grid + 9, dtor<Image*>());
}
gcn::ListModel *listModel = getListModel();
if (listModel) delete listModel;
}
void DropDown::draw(gcn::Graphics* graphics)
{
if (!isVisible())
return;
int h;
if (mDroppedDown)
h = mFoldedUpHeight;
else
h = getHeight();
if (config.getValue("guialpha", 0.8) != mAlpha)
{
mAlpha = config.getValue("guialpha", 0.8);
buttons[0][0]->setAlpha(mAlpha);
buttons[0][1]->setAlpha(mAlpha);
buttons[1][0]->setAlpha(mAlpha);
buttons[1][1]->setAlpha(mAlpha);
for (int a = 0; a < 9; a++)
{
skin.grid[a]->setAlpha(mAlpha);
}
}
bool valid;
const int alpha = (int)(mAlpha * 255.0f);
gcn::Color faceColor = getBaseColor();
faceColor.a = alpha;
gcn::Color highlightColor = textColor->getColor('H', valid);
highlightColor.a = alpha;
gcn::Color shadowColor = faceColor - 0x303030;
shadowColor.a = alpha;
if (mOpaque)
{
int red = getBackgroundColor().r;
int green = getBackgroundColor().g;
int blue = getBackgroundColor().b;
graphics->setColor(gcn::Color(red, green, blue, alpha));
graphics->fillRectangle(gcn::Rectangle(0, 0, getWidth(), h));
red = getForegroundColor().r;
green = getForegroundColor().g;
blue = getForegroundColor().b;
graphics->setColor(gcn::Color(red, green, blue, alpha));
}
graphics->setFont(getFont());
if (mListBox->getListModel() && mListBox->getSelected() >= 0)
{
graphics->drawText(mListBox->getListModel()->getElementAt(mListBox->getSelected()), 1, 0);
}
if (isFocused())
{
graphics->setColor(highlightColor);
graphics->drawRectangle(gcn::Rectangle(0, 0, getWidth() - h, h));
}
drawButton(graphics);
if (mDroppedDown)
{
drawChildren(graphics);
// Draw two lines separating the ListBox with selected
// element view.
graphics->setColor(highlightColor);
graphics->drawLine(0, h, getWidth(), h);
graphics->setColor(shadowColor);
graphics->drawLine(0, h + 1, getWidth(), h + 1);
}
}
void DropDown::drawFrame(gcn::Graphics *graphics)
{
const int bs = getFrameSize();
const int w = getWidth() + bs * 2;
const int h = getHeight() + bs * 2;
static_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
}
void DropDown::drawButton(gcn::Graphics *graphics)
{
int height = mDroppedDown ? mFoldedUpHeight : getHeight();
static_cast<Graphics*>(graphics)->
drawImage(buttons[mDroppedDown][mPushed], getWidth() - height + 2, 1);
}
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