/** * @file llprogressbar.cpp * @brief LLProgressBar class implementation * * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "linden_common.h" #include "llprogressbar.h" #include "indra_constants.h" #include "llmath.h" #include "llgl.h" #include "llui.h" #include "llfontgl.h" #include "lltimer.h" #include "llglheaders.h" #include "llfocusmgr.h" #include "lluictrlfactory.h" #include "lluiimage.h" static LLDefaultChildRegistry::Register<LLProgressBar> r("progress_bar"); LLProgressBar::Params::Params() : image_bar("image_bar"), image_fill("image_fill"), color_bar("color_bar"), color_bg("color_bg") {} LLProgressBar::LLProgressBar(const LLProgressBar::Params& p) : LLUICtrl(p), mImageBar(p.image_bar), mImageFill(p.image_fill), mColorBackground(p.color_bg()), mColorBar(p.color_bar()), mPercentDone(0.f) {} LLProgressBar::~LLProgressBar() { gFocusMgr.releaseFocusIfNeeded( this ); } void LLProgressBar::draw() { static LLTimer timer; F32 alpha = getDrawContext().mAlpha; LLColor4 image_bar_color = mColorBackground.get(); image_bar_color.setAlpha(alpha); mImageBar->draw(getLocalRect(), image_bar_color); alpha *= 0.5f + 0.5f*0.5f*(1.f + (F32)sin(3.f*timer.getElapsedTimeF32())); LLColor4 bar_color = mColorBar.get(); bar_color.mV[VALPHA] *= alpha; // modulate alpha LLRect progress_rect = getLocalRect(); progress_rect.mRight = llround(getRect().getWidth() * (mPercentDone / 100.f)); mImageFill->draw(progress_rect, bar_color); } void LLProgressBar::setValue(const LLSD& value) { mPercentDone = llclamp((F32)value.asReal(), 0.f, 100.f); }