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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/progressbar.cpp
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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.cpp225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/gui/widgets/progressbar.cpp b/src/gui/widgets/progressbar.cpp
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+/*
+ * 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);
+}