llscrollingpanellist.cpp
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- /**
- * @file llscrollingpanellist.cpp
- * @brief
- *
- * $LicenseInfo:firstyear=2006&license=viewergpl$
- *
- * Copyright (c) 2006-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llstl.h"
- #include "llscrollingpanellist.h"
- static LLDefaultChildRegistry::Register<LLScrollingPanelList> r("scrolling_panel_list");
- /////////////////////////////////////////////////////////////////////
- // LLScrollingPanelList
- // This could probably be integrated with LLScrollContainer -SJB
- void LLScrollingPanelList::clearPanels()
- {
- deleteAllChildren();
- mPanelList.clear();
- reshape( 1, 1, FALSE );
- }
- S32 LLScrollingPanelList::addPanel( LLScrollingPanel* panel )
- {
- addChildInBack( panel );
- mPanelList.push_front( panel );
- // Resize this view
- S32 total_height = 0;
- S32 max_width = 0;
- S32 cur_gap = 0;
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- total_height += childp->getRect().getHeight() + cur_gap;
- max_width = llmax( max_width, childp->getRect().getWidth() );
- cur_gap = GAP_BETWEEN_PANELS;
- }
- reshape( max_width, total_height, FALSE );
- // Reposition each of the child views
- S32 cur_y = total_height;
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- cur_y -= childp->getRect().getHeight();
- childp->translate( -childp->getRect().mLeft, cur_y - childp->getRect().mBottom);
- cur_y -= GAP_BETWEEN_PANELS;
- }
- return total_height;
- }
- void LLScrollingPanelList::removePanel(LLScrollingPanel* panel)
- {
- U32 index = 0;
- LLScrollingPanelList::panel_list_t::const_iterator iter;
- if (!mPanelList.empty())
- {
- for (iter = mPanelList.begin(); iter != mPanelList.end(); ++iter, ++index)
- {
- if (*iter == panel)
- {
- break;
- }
- }
- if(iter != mPanelList.end())
- {
- removePanel(index);
- }
- }
- }
- void LLScrollingPanelList::removePanel( U32 panel_index )
- {
- if ( mPanelList.empty() || panel_index >= mPanelList.size() )
- {
- llwarns << "Panel index " << panel_index << " is out of range!" << llendl;
- return;
- }
- else
- {
- removeChild( mPanelList.at(panel_index) );
- mPanelList.erase( mPanelList.begin() + panel_index );
- }
- const S32 GAP_BETWEEN_PANELS = 6;
- // Resize this view
- S32 total_height = 0;
- S32 max_width = 0;
- S32 cur_gap = 0;
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- total_height += childp->getRect().getHeight() + cur_gap;
- max_width = llmax( max_width, childp->getRect().getWidth() );
- cur_gap = GAP_BETWEEN_PANELS;
- }
- reshape( max_width, total_height, FALSE );
- // Reposition each of the child views
- S32 cur_y = total_height;
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- cur_y -= childp->getRect().getHeight();
- childp->translate( -childp->getRect().mLeft, cur_y - childp->getRect().mBottom);
- cur_y -= GAP_BETWEEN_PANELS;
- }
- }
- void LLScrollingPanelList::updatePanels(BOOL allow_modify)
- {
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- childp->updatePanel(allow_modify);
- }
- }
- void LLScrollingPanelList::updatePanelVisiblilty()
- {
- // Determine visibility of children.
- S32 BORDER_WIDTH = 2; // HACK
- LLRect parent_local_rect = getParent()->getRect();
- parent_local_rect.stretch( -BORDER_WIDTH );
- LLRect parent_screen_rect;
- getParent()->localPointToScreen(
- BORDER_WIDTH, 0,
- &parent_screen_rect.mLeft, &parent_screen_rect.mBottom );
- getParent()->localPointToScreen(
- parent_local_rect.getWidth() - BORDER_WIDTH, parent_local_rect.getHeight() - BORDER_WIDTH,
- &parent_screen_rect.mRight, &parent_screen_rect.mTop );
- for (std::deque<LLScrollingPanel*>::iterator iter = mPanelList.begin();
- iter != mPanelList.end(); ++iter)
- {
- LLScrollingPanel *childp = *iter;
- const LLRect& local_rect = childp->getRect();
- LLRect screen_rect;
- childp->localPointToScreen(
- 0, 0,
- &screen_rect.mLeft, &screen_rect.mBottom );
- childp->localPointToScreen(
- local_rect.getWidth(), local_rect.getHeight(),
- &screen_rect.mRight, &screen_rect.mTop );
- BOOL intersects =
- ( (screen_rect.mRight > parent_screen_rect.mLeft) && (screen_rect.mLeft < parent_screen_rect.mRight) ) &&
- ( (screen_rect.mTop > parent_screen_rect.mBottom) && (screen_rect.mBottom < parent_screen_rect.mTop) );
- childp->setVisible( intersects );
- }
- }
- void LLScrollingPanelList::draw()
- {
- updatePanelVisiblilty();
- LLUICtrl::draw();
- }