desktop.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2009-2010 The Mana World Development Team
 * Copyright (C) 2011-2018 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/desktop.h"

#include "configuration.h"
#include "main.h"

#include "gui/skin.h"

#include "gui/widgets/staticbrowserbox.h"

#include "input/inputmanager.h"

#include "render/opengl/opengldebug.h"

#include "resources/imagehelper.h"
#include "resources/wallpaper.h"

#include "resources/image/image.h"

#include "resources/loaders/rescaledloader.h"

#include "resources/resourcemanager/resourcemanager.h"

#include "render/graphics.h"

#include "debug.h"

Desktop *desktop = nullptr;

Desktop::Desktop(const Widget2 *const widget) :
 Container(widget),
 LinkHandler(),
 WidgetListener(),
 mWallpaper(nullptr),
 mVersionLabel(new StaticBrowserBox(this, Opaque_false,
 "browserbox.xml")),
 mSkin(nullptr),
 mBackgroundGrayColor(getThemeColor(ThemeColorId::BACKGROUND_GRAY, 255U)),
 mShowBackground(true)
{
 mBackgroundColor = getThemeColor(ThemeColorId::BACKGROUND, 128);

 addWidgetListener(this);

 Wallpaper::loadWallpapers();

 if (theme != nullptr)
 {
 mSkin = theme->load("desktop.xml",
 "",
 true,
 Theme::getThemePath());
 }

 if (mSkin != nullptr)
 mShowBackground = (mSkin->getOption("showBackground") != 0);

 const std::string appName = branding.getValue("appName", std::string());
 if (appName.empty())
 {
 mVersionLabel->addRow(FULL_VERSION,
 false);
 }
 else
 {
 mVersionLabel->addRow(strprintf("%s (%s)", FULL_VERSION,
 appName.c_str()),
 false);
 }
 mVersionLabel->addRow("copyright",
 "(C) ManaPlus developers, http://manaplus.org");
 mVersionLabel->setLinkHandler(this);
 mVersionLabel->updateHeight();
}

Desktop::~Desktop()
{
 if (mWallpaper != nullptr)
 {
 mWallpaper->decRef();
 mWallpaper = nullptr;
 }
 if (theme != nullptr)
 theme->unload(mSkin);
}

void Desktop::postInit()
{
 if (mSkin != nullptr)
 {
 addXY(mVersionLabel,
 mSkin->getOption("versionX", 25),
 mSkin->getOption("versionY", 2));
 }
 else
 {
 addXY(mVersionLabel, 25, 2);
 }
}

void Desktop::reloadWallpaper()
{
 Wallpaper::loadWallpapers();
 setBestFittingWallpaper();
}

void Desktop::widgetResized(const Event &event A_UNUSED)
{
 mVersionLabel->setSize(getWidth(), getHeight());
 mVersionLabel->updateHeight();
 setBestFittingWallpaper();
}

void Desktop::draw(Graphics *const graphics)
{
 BLOCK_START("Desktop::draw")
 GLDEBUG_START("Desktop::draw")

 const Rect &rect = mDimension;
 const int width = rect.width;
 const int height = rect.height;
 if (mWallpaper != nullptr)
 {
 const int wallpWidth = mWallpaper->getWidth();
 const int wallpHeight = mWallpaper->getHeight();

 if (width > wallpWidth || height > wallpHeight)
 {
 graphics->setColor(mBackgroundGrayColor);
 graphics->fillRectangle(Rect(0, 0, width, height));
 }

 if (imageHelper->useOpenGL() == RENDER_SOFTWARE)
 {
 graphics->drawImage(mWallpaper,
 (width - wallpWidth) / 2,
 (height - wallpHeight) / 2);
 }
 else
 {
 graphics->drawRescaledImage(mWallpaper, 0, 0, width, height);
 }
 }
 else
 {
 graphics->setColor(mBackgroundGrayColor);
 graphics->fillRectangle(Rect(0, 0, width, height));
 }

 Container::draw(graphics);
 GLDEBUG_END()
 BLOCK_END("Desktop::draw")
}

void Desktop::safeDraw(Graphics *const graphics)
{
 Desktop::draw(graphics);
}

void Desktop::setBestFittingWallpaper()
{
 if (!mShowBackground || !config.getBoolValue("showBackground"))
 return;

 const std::string wallpaperName =
 Wallpaper::getWallpaper(getWidth(), getHeight());

 Image *const nWallPaper = Theme::getImageFromTheme(wallpaperName);

 if (nWallPaper != nullptr)
 {
 if (mWallpaper != nullptr)
 {
 ResourceManager::decRefDelete(mWallpaper);
 mWallpaper = nullptr;
 }

 const Rect &rect = mDimension;
 const int width = rect.width;
 const int height = rect.height;

 if (imageHelper->useOpenGL() == RENDER_SOFTWARE &&
 (nWallPaper->getWidth() != width ||
 nWallPaper->getHeight() != height))
 {
 // We rescale to obtain a fullscreen wallpaper...
 Image *const newRsclWlPpr = Loader::getRescaled(
 nWallPaper, width, height);

 if (newRsclWlPpr != nullptr)
 {
  ResourceManager::decRefDelete(nWallPaper);
 // We replace the resource in the resource manager
 mWallpaper = newRsclWlPpr;
 }
 else
 {
 mWallpaper = nWallPaper;
 }
 }
 else
 {
 mWallpaper = nWallPaper;
 }
 }
 else
 {
 logger->log("Couldn't load %s as wallpaper", wallpaperName.c_str());
 }
}

void Desktop::handleLink(const std::string &link, MouseEvent *event A_UNUSED)
{
 if (link == "copyright")
 inputManager.executeAction(InputAction::WINDOW_ABOUT);
}