88 lines
2.4 KiB
C++
Executable File
88 lines
2.4 KiB
C++
Executable File
/**
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* @file llprogressbar.cpp
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* @brief LLProgressBar class implementation
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llprogressbar.h"
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#include "indra_constants.h"
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#include "llmath.h"
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#include "llgl.h"
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#include "llui.h"
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#include "llfontgl.h"
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#include "lltimer.h"
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#include "llglheaders.h"
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#include "llfocusmgr.h"
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#include "lluictrlfactory.h"
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#include "lluiimage.h"
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static LLDefaultChildRegistry::Register<LLProgressBar> r("progress_bar");
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LLProgressBar::Params::Params()
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: image_bar("image_bar"),
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image_fill("image_fill"),
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color_bar("color_bar"),
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color_bg("color_bg")
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{}
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LLProgressBar::LLProgressBar(const LLProgressBar::Params& p)
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: LLUICtrl(p),
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mImageBar(p.image_bar),
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mImageFill(p.image_fill),
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mColorBackground(p.color_bg()),
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mColorBar(p.color_bar()),
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mPercentDone(0.f)
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{}
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LLProgressBar::~LLProgressBar()
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{
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gFocusMgr.releaseFocusIfNeeded( this );
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}
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void LLProgressBar::draw()
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{
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static LLTimer timer;
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F32 alpha = getDrawContext().mAlpha;
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LLColor4 image_bar_color = mColorBackground.get();
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image_bar_color.setAlpha(alpha);
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mImageBar->draw(getLocalRect(), image_bar_color);
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alpha *= 0.5f + 0.5f*0.5f*(1.f + (F32)sin(3.f*timer.getElapsedTimeF32()));
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LLColor4 bar_color = mColorBar.get();
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bar_color.mV[VALPHA] *= alpha; // modulate alpha
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LLRect progress_rect = getLocalRect();
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progress_rect.mRight = ll_round(getRect().getWidth() * (mPercentDone / 100.f));
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mImageFill->draw(progress_rect, bar_color);
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}
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void LLProgressBar::setValue(const LLSD& value)
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{
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mPercentDone = llclamp((F32)value.asReal(), 0.f, 100.f);
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}
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