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author | Andrei Karas <akaras@inbox.ru> | 2011-01-02 01:48:38 +0200 |
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committer | Andrei Karas <akaras@inbox.ru> | 2011-01-02 02:41:24 +0200 |
commit | 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch) | |
tree | ff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/progressbar.cpp | |
download | manaplus-3eeae12c498d1a4dbe969462d2ba841f77ee3ccb.tar.gz manaplus-3eeae12c498d1a4dbe969462d2ba841f77ee3ccb.tar.bz2 manaplus-3eeae12c498d1a4dbe969462d2ba841f77ee3ccb.tar.xz manaplus-3eeae12c498d1a4dbe969462d2ba841f77ee3ccb.zip |
Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
Diffstat (limited to 'src/gui/widgets/progressbar.cpp')
-rw-r--r-- | src/gui/widgets/progressbar.cpp | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/gui/widgets/progressbar.cpp b/src/gui/widgets/progressbar.cpp new file mode 100644 index 000000000..5275aacf6 --- /dev/null +++ b/src/gui/widgets/progressbar.cpp @@ -0,0 +1,225 @@ +/* + * 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/progressbar.h" + +#include "client.h" +#include "configuration.h" +#include "graphics.h" +#include "textrenderer.h" + +#include "gui/gui.h" +#include "gui/palette.h" +#include "gui/theme.h" + +#include "resources/image.h" + +#include "utils/dtor.h" + +#include <guichan/font.hpp> + +ImageRect ProgressBar::mBorder; +int ProgressBar::mInstances = 0; +float ProgressBar::mAlpha = 1.0; + +ProgressBar::ProgressBar(float progress, + int width, int height, + int color): + gcn::Widget(), + mSmoothProgress(true), + mProgressPalette(color), + mSmoothColorChange(true) +{ + // The progress value is directly set at load time: + if (progress > 1.0f || progress < 0.0f) + progress = 1.0f; + + mProgress = progress; + mProgressToGo = progress; + + mColor = Theme::getProgressColor(color >= 0 ? color : 0, mProgress); + mColorToGo = mColor; + + setSize(width, height); + + if (mInstances == 0) + { + Image *dBorders = Theme::getImageFromTheme("vscroll_grey.png"); + if (dBorders) + { + mBorder.grid[0] = dBorders->getSubImage(0, 0, 4, 4); + mBorder.grid[1] = dBorders->getSubImage(4, 0, 3, 4); + mBorder.grid[2] = dBorders->getSubImage(7, 0, 4, 4); + mBorder.grid[3] = dBorders->getSubImage(0, 4, 4, 10); + mBorder.grid[4] = dBorders->getSubImage(4, 4, 3, 10); + mBorder.grid[5] = dBorders->getSubImage(7, 4, 4, 10); + mBorder.grid[6] = dBorders->getSubImage(0, 15, 4, 4); + mBorder.grid[7] = dBorders->getSubImage(4, 15, 3, 4); + mBorder.grid[8] = dBorders->getSubImage(7, 15, 4, 4); + + for (int i = 0; i < 9; i++) + mBorder.grid[i]->setAlpha(mAlpha); + + dBorders->decRef(); + } + else + { + for (int f = 0; f < 9; f ++) + mBorder.grid[f] = 0; + } + + } + + mInstances++; +} + +ProgressBar::~ProgressBar() +{ + mInstances--; + + if (mInstances == 0) + for_each(mBorder.grid, mBorder.grid + 9, dtor<Image*>()); +} + +void ProgressBar::logic() +{ + if (mSmoothColorChange && mColorToGo != mColor) + { + // Smoothly changing the color for a nicer effect. + if (mColorToGo.r > mColor.r) + mColor.r++; + if (mColorToGo.g > mColor.g) + mColor.g++; + if (mColorToGo.b > mColor.b) + mColor.b++; + if (mColorToGo.r < mColor.r) + mColor.r--; + if (mColorToGo.g < mColor.g) + mColor.g--; + if (mColorToGo.b < mColor.b) + mColor.b--; + } + + if (mSmoothProgress && mProgressToGo != mProgress) + { + // Smoothly showing the progressbar changes. + if (mProgressToGo > mProgress) + mProgress = std::min(1.0f, mProgress + 0.005f); + if (mProgressToGo < mProgress) + mProgress = std::max(0.0f, mProgress - 0.005f); + } +} + +void ProgressBar::updateAlpha() +{ + float alpha = std::max(Client::getGuiAlpha(), + Theme::instance()->getMinimumOpacity()); + + if (mAlpha != alpha) + { + mAlpha = alpha; + for (int i = 0; i < 9; i++) + { + if (mBorder.grid[i]) + mBorder.grid[i]->setAlpha(mAlpha); + } + } + +} + +void ProgressBar::draw(gcn::Graphics *graphics) +{ + updateAlpha(); + + mColor.a = static_cast<int>(mAlpha * 255); + + gcn::Rectangle rect = getDimension(); + rect.x = 0; + rect.y = 0; + + render(static_cast<Graphics*>(graphics), rect, mColor, + mProgress, mText); +} + +void ProgressBar::setProgress(float progress) +{ + const float p = std::min(1.0f, std::max(0.0f, progress)); + mProgressToGo = p; + + if (!mSmoothProgress) + mProgress = p; + + if (mProgressPalette >= 0) + mColorToGo = Theme::getProgressColor(mProgressPalette, progress); +} + +void ProgressBar::setProgressPalette(int progressPalette) +{ + int oldPalette = mProgressPalette; + mProgressPalette = progressPalette; + + if (mProgressPalette != oldPalette && mProgressPalette >= 0) + mColorToGo = Theme::getProgressColor(mProgressPalette, mProgressToGo); +} + +void ProgressBar::setColor(const gcn::Color &color) +{ + mColorToGo = color; + + if (!mSmoothColorChange) + mColor = color; +} + +void ProgressBar::render(Graphics *graphics, const gcn::Rectangle &area, + const gcn::Color &color, float progress, + const std::string &text) +{ + gcn::Font *oldFont = graphics->getFont(); + gcn::Color oldColor = graphics->getColor(); + + graphics->drawImageRect(area, mBorder); + + // The bar + if (progress > 0) + { + graphics->setColor(color); + graphics->fillRectangle(gcn::Rectangle(static_cast<int>(area.x + 4), + static_cast<int>(area.y + 4), + static_cast<int>(static_cast<float>(progress) + * static_cast<float>(area.width - 8)), + static_cast<int>(area.height - 8))); + } + + // The label + if (!text.empty()) + { + const int textX = area.x + area.width / 2; + const int textY = area.y + (area.height - boldFont->getHeight()) / 2; + + TextRenderer::renderText(graphics, text, textX, textY, + gcn::Graphics::CENTER, + Theme::getThemeColor(Theme::PROGRESS_BAR), + gui->getFont(), true, false); + } + + graphics->setFont(oldFont); + graphics->setColor(oldColor); +} |