727 lines
21 KiB
C++
727 lines
21 KiB
C++
/**
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* @file llaccordionctrl.cpp
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* @brief Accordion panel implementation
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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*
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* Copyright (c) 2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llaccordionctrl.h"
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#include "llaccordionctrltab.h"
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#include "lluictrlfactory.h" // builds floaters from XML
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#include "llwindow.h"
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#include "llfocusmgr.h"
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#include "lllocalcliprect.h"
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#include "boost/bind.hpp"
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static const S32 DRAGGER_BAR_MARGIN = 4;
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static const S32 DRAGGER_BAR_HEIGHT = 5;
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static const S32 BORDER_MARGIN = 2;
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static const S32 PARENT_BORDER_MARGIN = 5;
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static const S32 panel_delta = DRAGGER_BAR_MARGIN; // Distanse between two panels
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static const S32 HORIZONTAL_MULTIPLE = 8;
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static const S32 VERTICAL_MULTIPLE = 16;
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static const F32 MIN_AUTO_SCROLL_RATE = 120.f;
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static const F32 MAX_AUTO_SCROLL_RATE = 500.f;
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static const F32 AUTO_SCROLL_RATE_ACCEL = 120.f;
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// LLAccordionCtrl =================================================================|
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static LLDefaultChildRegistry::Register<LLAccordionCtrl> t2("accordion");
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LLAccordionCtrl::LLAccordionCtrl(const Params& params):LLPanel(params)
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, mFitParent(params.fit_parent)
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, mAutoScrolling( false )
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, mAutoScrollRate( 0.f )
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{
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mSingleExpansion = params.single_expansion;
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if(mFitParent && !mSingleExpansion)
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{
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llinfos << "fit_parent works best when combined with single_expansion" << llendl;
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}
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}
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LLAccordionCtrl::LLAccordionCtrl() : LLPanel()
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, mAutoScrolling( false )
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, mAutoScrollRate( 0.f )
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{
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mSingleExpansion = false;
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mFitParent = false;
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LLUICtrlFactory::getInstance()->buildPanel(this, "accordion_parent.xml");
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::draw()
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{
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if (mAutoScrolling)
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{
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// add acceleration to autoscroll
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mAutoScrollRate = llmin(mAutoScrollRate + (LLFrameTimer::getFrameDeltaTimeF32() * AUTO_SCROLL_RATE_ACCEL), MAX_AUTO_SCROLL_RATE);
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}
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else
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{
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// reset to minimum for next time
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mAutoScrollRate = MIN_AUTO_SCROLL_RATE;
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}
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// clear this flag to be set on next call to autoScroll
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mAutoScrolling = false;
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LLRect local_rect(0, getRect().getHeight(), getRect().getWidth(), 0);
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LLLocalClipRect clip(local_rect);
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LLPanel::draw();
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}
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//---------------------------------------------------------------------------------
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BOOL LLAccordionCtrl::postBuild()
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{
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static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
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LLRect scroll_rect;
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scroll_rect.setOriginAndSize(
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getRect().getWidth() - scrollbar_size,
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1,
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scrollbar_size,
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getRect().getHeight() - 1);
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LLScrollbar::Params sbparams;
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sbparams.name("scrollable vertical");
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sbparams.rect(scroll_rect);
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sbparams.orientation(LLScrollbar::VERTICAL);
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sbparams.doc_size(mInnerRect.getHeight());
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sbparams.doc_pos(0);
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sbparams.page_size(mInnerRect.getHeight());
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sbparams.step_size(VERTICAL_MULTIPLE);
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sbparams.follows.flags(FOLLOWS_RIGHT | FOLLOWS_TOP | FOLLOWS_BOTTOM);
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sbparams.change_callback(boost::bind(&LLAccordionCtrl::onScrollPosChangeCallback, this, _1, _2));
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mScrollbar = LLUICtrlFactory::create<LLScrollbar> (sbparams);
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LLView::addChild( mScrollbar );
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mScrollbar->setVisible( false );
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mScrollbar->setFollowsRight();
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mScrollbar->setFollowsTop();
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mScrollbar->setFollowsBottom();
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//if it was created from xml...
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std::vector<LLUICtrl*> accordion_tabs;
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for(child_list_const_iter_t it = getChildList()->begin();
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getChildList()->end() != it; ++it)
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*it);
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if(accordion_tab == NULL)
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continue;
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if(std::find(mAccordionTabs.begin(),mAccordionTabs.end(),accordion_tab) == mAccordionTabs.end())
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{
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accordion_tabs.push_back(accordion_tab);
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}
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}
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for(std::vector<LLUICtrl*>::reverse_iterator it = accordion_tabs.rbegin();it!=accordion_tabs.rend();++it)
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addCollapsibleCtrl(*it);
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arrange ();
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if(mSingleExpansion)
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{
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if(!mAccordionTabs[0]->getDisplayChildren())
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mAccordionTabs[0]->setDisplayChildren(true);
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for(size_t i=1;i<mAccordionTabs.size();++i)
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{
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if(mAccordionTabs[i]->getDisplayChildren())
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mAccordionTabs[i]->setDisplayChildren(false);
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}
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}
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return TRUE;
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}
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//---------------------------------------------------------------------------------
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LLAccordionCtrl::~LLAccordionCtrl()
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{
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mAccordionTabs.clear();
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::reshape(S32 width, S32 height, BOOL called_from_parent)
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{
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// adjust our rectangle
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LLRect rcLocal = getRect();
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rcLocal.mRight = rcLocal.mLeft + width;
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rcLocal.mTop = rcLocal.mBottom + height;
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setRect(rcLocal);
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arrange();
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}
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//---------------------------------------------------------------------------------
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BOOL LLAccordionCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask)
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{
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return LLPanel::handleRightMouseDown(x, y, mask);
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::shiftAccordionTabs(S16 panel_num, S32 delta)
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{
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for(size_t i = panel_num; i < mAccordionTabs.size(); i++ )
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{
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ctrlShiftVertical(mAccordionTabs[i],delta);
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}
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::onCollapseCtrlCloseOpen(S16 panel_num)
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{
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if(mSingleExpansion)
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{
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for(size_t i=0;i<mAccordionTabs.size();++i)
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{
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if(i==panel_num)
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continue;
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if(mAccordionTabs[i]->getDisplayChildren())
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mAccordionTabs[i]->setDisplayChildren(false);
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}
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}
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arrange();
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}
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void LLAccordionCtrl::show_hide_scrollbar(S32 width, S32 height)
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{
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calcRecuiredHeight();
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if(getRecuiredHeight() > height )
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showScrollbar(width,height);
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else
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hideScrollbar(width,height);
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}
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void LLAccordionCtrl::showScrollbar(S32 width, S32 height)
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{
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bool was_visible = mScrollbar->getVisible();
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mScrollbar->setVisible(true);
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static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
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ctrlSetLeftTopAndSize(mScrollbar
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,width-scrollbar_size - PARENT_BORDER_MARGIN/2
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,height-PARENT_BORDER_MARGIN
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,scrollbar_size
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,height-2*PARENT_BORDER_MARGIN);
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mScrollbar->setPageSize(height);
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mScrollbar->setDocParams(mInnerRect.getHeight(),mScrollbar->getDocPos());
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if(was_visible)
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{
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S32 scroll_pos = llmin(mScrollbar->getDocPos(), getRecuiredHeight() - height - 1);
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mScrollbar->setDocPos(scroll_pos);
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}
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}
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void LLAccordionCtrl::hideScrollbar( S32 width, S32 height )
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{
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if(mScrollbar->getVisible() == false)
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return;
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mScrollbar->setVisible(false);
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static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
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S32 panel_width = width - 2*BORDER_MARGIN;
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//reshape all accordeons and shift all draggers
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for(size_t i=0;i<mAccordionTabs.size();++i)
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{
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LLRect panel_rect = mAccordionTabs[i]->getRect();
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ctrlSetLeftTopAndSize(mAccordionTabs[i],panel_rect.mLeft,panel_rect.mTop,panel_width,panel_rect.getHeight());
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}
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mScrollbar->setDocPos(0);
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if(mAccordionTabs.size()>0)
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{
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S32 panel_top = height - BORDER_MARGIN; // Top coordinate of the first panel
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S32 diff = panel_top - mAccordionTabs[0]->getRect().mTop;
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shiftAccordionTabs(0,diff);
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}
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}
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//---------------------------------------------------------------------------------
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S32 LLAccordionCtrl::calcRecuiredHeight()
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{
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S32 rec_height = 0;
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std::vector<LLAccordionCtrlTab*>::iterator panel;
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for(panel=mAccordionTabs.begin(); panel!=mAccordionTabs.end(); ++panel)
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(*panel);
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if(accordion_tab && accordion_tab->getVisible())
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{
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rec_height += accordion_tab->getRect().getHeight();
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}
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}
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mInnerRect.setLeftTopAndSize(0,rec_height + BORDER_MARGIN*2,getRect().getWidth(),rec_height + BORDER_MARGIN);
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return mInnerRect.getHeight();
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::ctrlSetLeftTopAndSize(LLView* panel, S32 left, S32 top, S32 width, S32 height)
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{
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if(!panel)
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return;
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LLRect panel_rect = panel->getRect();
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panel_rect.setLeftTopAndSize( left, top, width, height);
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panel->reshape( width, height, 1);
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panel->setRect(panel_rect);
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}
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void LLAccordionCtrl::ctrlShiftVertical(LLView* panel,S32 delta)
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{
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if(!panel)
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return;
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panel->translate(0,delta);
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}
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//---------------------------------------------------------------------------------
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void LLAccordionCtrl::addCollapsibleCtrl(LLView* view)
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(view);
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if(!accordion_tab)
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return;
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if(std::find(getChildList()->begin(),getChildList()->end(),accordion_tab) == getChildList()->end())
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addChild(accordion_tab);
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mAccordionTabs.push_back(accordion_tab);
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accordion_tab->setDropDownStateChangedCallback( boost::bind(&LLAccordionCtrl::onCollapseCtrlCloseOpen, this, mAccordionTabs.size() - 1) );
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}
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void LLAccordionCtrl::arrangeSinge()
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{
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S32 panel_left = BORDER_MARGIN; // Margin from left side of Splitter
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S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel
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S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel
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S32 panel_height;
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S32 collapsed_height = 0;
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for(size_t i=0;i<mAccordionTabs.size();++i)
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
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if(accordion_tab->getVisible() == false) //skip hidden accordion tabs
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continue;
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if(!accordion_tab->isExpanded() )
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{
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collapsed_height+=mAccordionTabs[i]->getRect().getHeight();
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}
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}
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S32 expanded_height = getRect().getHeight() - BORDER_MARGIN - collapsed_height;
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for(size_t i=0;i<mAccordionTabs.size();++i)
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
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if(accordion_tab->getVisible() == false) //skip hidden accordion tabs
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continue;
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if(!accordion_tab->isExpanded() )
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{
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panel_height = accordion_tab->getRect().getHeight();
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}
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else
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{
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if(mFitParent)
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{
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panel_height = expanded_height;
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}
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else
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{
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if(accordion_tab->getAccordionView())
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{
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panel_height = accordion_tab->getAccordionView()->getRect().getHeight() +
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accordion_tab->getHeaderHeight() + 2*BORDER_MARGIN;
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}
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else
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{
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panel_height = accordion_tab->getRect().getHeight();
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}
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}
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}
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// make sure at least header is shown
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panel_height = llmax(panel_height, accordion_tab->getHeaderHeight());
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ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, panel_height);
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panel_top-=mAccordionTabs[i]->getRect().getHeight();
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}
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show_hide_scrollbar(getRect().getWidth(), getRect().getHeight());
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updateLayout(getRect().getWidth(), getRect().getHeight());
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}
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void LLAccordionCtrl::arrangeMultiple()
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{
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S32 panel_left = BORDER_MARGIN; // Margin from left side of Splitter
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S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel
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S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel
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//Calculate params
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for(size_t i = 0; i < mAccordionTabs.size(); i++ )
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{
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
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if(accordion_tab->getVisible() == false) //skip hidden accordion tabs
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continue;
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if(!accordion_tab->isExpanded() )
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{
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ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, accordion_tab->getRect().getHeight());
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panel_top-=mAccordionTabs[i]->getRect().getHeight();
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}
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else
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{
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S32 panel_height = accordion_tab->getRect().getHeight();
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if(mFitParent)
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{
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// all expanded tabs will have equal height
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panel_height = calcExpandedTabHeight(i, panel_top);
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ctrlSetLeftTopAndSize(accordion_tab, panel_left, panel_top, panel_width, panel_height);
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// try to make accordion tab fit accordion view height.
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// Accordion View should implement getRequiredRect() and provide valid height
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S32 optimal_height = accordion_tab->getAccordionView()->getRequiredRect().getHeight();
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optimal_height += accordion_tab->getHeaderHeight() + 2 * BORDER_MARGIN;
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if(optimal_height < panel_height)
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{
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panel_height = optimal_height;
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}
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// minimum tab height is equal to header height
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if(mAccordionTabs[i]->getHeaderHeight() > panel_height)
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{
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panel_height = mAccordionTabs[i]->getHeaderHeight();
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}
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}
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ctrlSetLeftTopAndSize(mAccordionTabs[i], panel_left, panel_top, panel_width, panel_height);
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panel_top-=panel_height;
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}
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}
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show_hide_scrollbar(getRect().getWidth(),getRect().getHeight());
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updateLayout(getRect().getWidth(),getRect().getHeight());
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}
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void LLAccordionCtrl::arrange()
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{
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if( mAccordionTabs.size() == 0)
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{
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//We do not arrange if we do not have what should be arranged
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return;
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}
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if(mAccordionTabs.size() == 1)
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{
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S32 panel_top = getRect().getHeight() - BORDER_MARGIN; // Top coordinate of the first panel
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S32 panel_width = getRect().getWidth() - 4; // Top coordinate of the first panel
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LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[0]);
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LLRect panel_rect = accordion_tab->getRect();
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S32 panel_height = getRect().getHeight() - 2*BORDER_MARGIN;
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ctrlSetLeftTopAndSize(accordion_tab,panel_rect.mLeft,panel_top,panel_width,panel_height);
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show_hide_scrollbar(getRect().getWidth(),getRect().getHeight());
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return;
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}
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if(mSingleExpansion)
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arrangeSinge ();
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else
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arrangeMultiple ();
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}
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//---------------------------------------------------------------------------------
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BOOL LLAccordionCtrl::handleScrollWheel ( S32 x, S32 y, S32 clicks )
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{
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if(LLPanel::handleScrollWheel(x,y,clicks))
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return TRUE;
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if( mScrollbar->getVisible() && mScrollbar->handleScrollWheel( 0, 0, clicks ) )
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return TRUE;
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return false;
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}
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BOOL LLAccordionCtrl::handleKeyHere (KEY key, MASK mask)
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{
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if( mScrollbar->getVisible() && mScrollbar->handleKeyHere( key,mask ) )
|
|
return TRUE;
|
|
return LLPanel::handleKeyHere(key,mask);
|
|
}
|
|
|
|
BOOL LLAccordionCtrl::handleDragAndDrop (S32 x, S32 y, MASK mask,
|
|
BOOL drop,
|
|
EDragAndDropType cargo_type,
|
|
void* cargo_data,
|
|
EAcceptance* accept,
|
|
std::string& tooltip_msg)
|
|
{
|
|
// Scroll folder view if needed. Never accepts a drag or drop.
|
|
*accept = ACCEPT_NO;
|
|
BOOL handled = autoScroll(x, y);
|
|
|
|
if( !handled )
|
|
{
|
|
handled = childrenHandleDragAndDrop(x, y, mask, drop, cargo_type,
|
|
cargo_data, accept, tooltip_msg) != NULL;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL LLAccordionCtrl::autoScroll (S32 x, S32 y)
|
|
{
|
|
static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
|
|
|
|
bool scrolling = false;
|
|
if( mScrollbar->getVisible() )
|
|
{
|
|
LLRect rect_local( 0, getRect().getHeight(), getRect().getWidth() - scrollbar_size, 0 );
|
|
LLRect screen_local_extents;
|
|
|
|
// clip rect against root view
|
|
screenRectToLocal(getRootView()->getLocalRect(), &screen_local_extents);
|
|
rect_local.intersectWith(screen_local_extents);
|
|
|
|
// autoscroll region should take up no more than one third of visible scroller area
|
|
S32 auto_scroll_region_height = llmin(rect_local.getHeight() / 3, 10);
|
|
S32 auto_scroll_speed = llround(mAutoScrollRate * LLFrameTimer::getFrameDeltaTimeF32());
|
|
|
|
LLRect bottom_scroll_rect = screen_local_extents;
|
|
bottom_scroll_rect.mTop = rect_local.mBottom + auto_scroll_region_height;
|
|
if( bottom_scroll_rect.pointInRect( x, y ) && (mScrollbar->getDocPos() < mScrollbar->getDocPosMax()) )
|
|
{
|
|
mScrollbar->setDocPos( mScrollbar->getDocPos() + auto_scroll_speed );
|
|
mAutoScrolling = true;
|
|
scrolling = true;
|
|
}
|
|
|
|
LLRect top_scroll_rect = screen_local_extents;
|
|
top_scroll_rect.mBottom = rect_local.mTop - auto_scroll_region_height;
|
|
if( top_scroll_rect.pointInRect( x, y ) && (mScrollbar->getDocPos() > 0) )
|
|
{
|
|
mScrollbar->setDocPos( mScrollbar->getDocPos() - auto_scroll_speed );
|
|
mAutoScrolling = true;
|
|
scrolling = true;
|
|
}
|
|
}
|
|
return scrolling;
|
|
}
|
|
|
|
void LLAccordionCtrl::updateLayout (S32 width, S32 height)
|
|
{
|
|
S32 panel_top = height - BORDER_MARGIN ;
|
|
if(mScrollbar->getVisible())
|
|
panel_top+=mScrollbar->getDocPos();
|
|
|
|
S32 panel_width = width - 2*BORDER_MARGIN;
|
|
|
|
static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
|
|
if(mScrollbar->getVisible())
|
|
panel_width-=scrollbar_size;
|
|
|
|
//set sizes for first panels and dragbars
|
|
for(size_t i=0;i<mAccordionTabs.size();++i)
|
|
{
|
|
if(!mAccordionTabs[i]->getVisible())
|
|
continue;
|
|
LLRect panel_rect = mAccordionTabs[i]->getRect();
|
|
ctrlSetLeftTopAndSize(mAccordionTabs[i],panel_rect.mLeft,panel_top,panel_width,panel_rect.getHeight());
|
|
panel_top-=panel_rect.getHeight();
|
|
}
|
|
}
|
|
|
|
void LLAccordionCtrl::onScrollPosChangeCallback(S32, LLScrollbar*)
|
|
{
|
|
updateLayout(getRect().getWidth(),getRect().getHeight());
|
|
}
|
|
void LLAccordionCtrl::onOpen (const LLSD& key)
|
|
{
|
|
for(size_t i=0;i<mAccordionTabs.size();++i)
|
|
{
|
|
LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
|
|
LLPanel* panel = dynamic_cast<LLPanel*>(accordion_tab->getAccordionView());
|
|
if(panel!=NULL)
|
|
{
|
|
panel->onOpen(key);
|
|
}
|
|
}
|
|
}
|
|
S32 LLAccordionCtrl::notifyParent(const LLSD& info)
|
|
{
|
|
if(info.has("action"))
|
|
{
|
|
std::string str_action = info["action"];
|
|
if(str_action == "size_changes")
|
|
{
|
|
//
|
|
arrange();
|
|
return 1;
|
|
}
|
|
else if(str_action == "select_next")
|
|
{
|
|
for(size_t i=0;i<mAccordionTabs.size();++i)
|
|
{
|
|
LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
|
|
if(accordion_tab->hasFocus())
|
|
{
|
|
while(++i<mAccordionTabs.size())
|
|
{
|
|
if(mAccordionTabs[i]->getVisible())
|
|
break;
|
|
}
|
|
if(i<mAccordionTabs.size())
|
|
{
|
|
accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
|
|
accordion_tab->notify(LLSD().with("action","select_first"));
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
else if(str_action == "select_prev")
|
|
{
|
|
for(size_t i=0;i<mAccordionTabs.size();++i)
|
|
{
|
|
LLAccordionCtrlTab* accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
|
|
if(accordion_tab->hasFocus() && i>0)
|
|
{
|
|
while(i>0)
|
|
{
|
|
if(mAccordionTabs[--i]->getVisible())
|
|
break;
|
|
}
|
|
|
|
accordion_tab = dynamic_cast<LLAccordionCtrlTab*>(mAccordionTabs[i]);
|
|
accordion_tab->notify(LLSD().with("action","select_last"));
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
else if (info.has("scrollToShowRect"))
|
|
{
|
|
LLRect screen_rc, local_rc;
|
|
screen_rc.setValue(info["scrollToShowRect"]);
|
|
screenRectToLocal(screen_rc, &local_rc);
|
|
|
|
// Translate to parent coordinatess to check if we are in visible rectangle
|
|
local_rc.translate( getRect().mLeft, getRect().mBottom );
|
|
|
|
if ( !getRect().contains (local_rc) )
|
|
{
|
|
// Back to local coords and calculate position for scroller
|
|
S32 bottom = mScrollbar->getDocPos() - local_rc.mBottom + getRect().mBottom;
|
|
S32 top = mScrollbar->getDocPos() - local_rc.mTop + getRect().mTop;
|
|
|
|
S32 scroll_pos = llclamp(mScrollbar->getDocPos(),
|
|
bottom, // min vertical scroll
|
|
top); // max vertical scroll
|
|
|
|
mScrollbar->setDocPos( scroll_pos );
|
|
}
|
|
return 1;
|
|
}
|
|
return LLPanel::notifyParent(info);
|
|
}
|
|
void LLAccordionCtrl::reset ()
|
|
{
|
|
if(mScrollbar)
|
|
mScrollbar->setDocPos(0);
|
|
}
|
|
|
|
S32 LLAccordionCtrl::calcExpandedTabHeight(S32 tab_index /* = 0 */, S32 available_height /* = 0 */)
|
|
{
|
|
if(tab_index < 0)
|
|
{
|
|
return available_height;
|
|
}
|
|
|
|
S32 collapsed_tabs_height = 0;
|
|
S32 num_expanded = 0;
|
|
|
|
for(size_t n = tab_index; n < mAccordionTabs.size(); ++n)
|
|
{
|
|
if(!mAccordionTabs[n]->isExpanded())
|
|
{
|
|
collapsed_tabs_height += mAccordionTabs[n]->getHeaderHeight();
|
|
}
|
|
else
|
|
{
|
|
++num_expanded;
|
|
}
|
|
}
|
|
|
|
if(0 == num_expanded)
|
|
{
|
|
return available_height;
|
|
}
|
|
|
|
S32 expanded_tab_height = available_height - collapsed_tabs_height - BORDER_MARGIN; // top BORDER_MARGIN is added in arrange(), here we add bottom BORDER_MARGIN
|
|
expanded_tab_height /= num_expanded;
|
|
return expanded_tab_height;
|
|
}
|