llcontainerview.cpp
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上传日期:2021-03-01
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- /**
- * @file llcontainerview.cpp
- * @brief Container for all statistics info
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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 "llcontainerview.h"
- #include "llerror.h"
- #include "llfontgl.h"
- #include "llgl.h"
- #include "llui.h"
- #include "llstring.h"
- #include "llscrollcontainer.h"
- #include "lluictrlfactory.h"
- static LLDefaultChildRegistry::Register<LLContainerView> r1("container_view");
- #include "llpanel.h"
- #include "llstatview.h"
- static ContainerViewRegistry::Register<LLStatView> r2("stat_view");
- static ContainerViewRegistry::Register<LLPanel> r3("panel", &LLPanel::fromXML);
- LLContainerView::LLContainerView(const LLContainerView::Params& p)
- : LLView(p),
- mShowLabel(p.show_label),
- mLabel(p.label),
- mDisplayChildren(p.display_children)
- {
- mCollapsible = TRUE;
- mScrollContainer = NULL;
- }
- LLContainerView::~LLContainerView()
- {
- // Children all cleaned up by default view destructor.
- }
- BOOL LLContainerView::postBuild()
- {
- setDisplayChildren(mDisplayChildren);
- reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
- return TRUE;
- }
- bool LLContainerView::addChild(LLView* child, S32 tab_group)
- {
- bool res = LLView::addChild(child, tab_group);
- if (res)
- {
- sendChildToBack(child);
- }
- return res;
- }
- BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
- {
- BOOL handled = FALSE;
- if (mDisplayChildren)
- {
- handled = (LLView::childrenHandleMouseDown(x, y, mask) != NULL);
- }
- if (!handled)
- {
- if( mCollapsible && mShowLabel && (y >= getRect().getHeight() - 10) )
- {
- setDisplayChildren(!mDisplayChildren);
- reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
- handled = TRUE;
- }
- }
- return handled;
- }
- BOOL LLContainerView::handleMouseUp(S32 x, S32 y, MASK mask)
- {
- BOOL handled = FALSE;
- if (mDisplayChildren)
- {
- handled = (LLView::childrenHandleMouseUp(x, y, mask) != NULL);
- }
- return handled;
- }
- void LLContainerView::draw()
- {
- {
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, LLColor4(0.f, 0.f, 0.f, 0.25f));
- }
-
- // Draw the label
- if (mShowLabel)
- {
- LLFontGL::getFontMonospace()->renderUTF8(
- mLabel, 0, 2, getRect().getHeight() - 2, LLColor4(1,1,1,1), LLFontGL::LEFT, LLFontGL::TOP);
- }
- LLView::draw();
- }
- void LLContainerView::reshape(S32 width, S32 height, BOOL called_from_parent)
- {
- LLRect scroller_rect;
- scroller_rect.setOriginAndSize(0, 0, width, height);
- if (mScrollContainer)
- {
- scroller_rect = mScrollContainer->getContentWindowRect();
- }
- else
- {
- // if we're uncontained - make height as small as possible
- scroller_rect.mTop = 0;
- }
- arrange(scroller_rect.getWidth(), scroller_rect.getHeight(), called_from_parent);
- // sometimes, after layout, our container will change size (scrollbars popping in and out)
- // if so, attempt another layout
- if (mScrollContainer)
- {
- LLRect new_container_rect = mScrollContainer->getContentWindowRect();
- if ((new_container_rect.getWidth() != scroller_rect.getWidth()) ||
- (new_container_rect.getHeight() != scroller_rect.getHeight())) // the container size has changed, attempt to arrange again
- {
- arrange(new_container_rect.getWidth(), new_container_rect.getHeight(), called_from_parent);
- }
- }
- }
- void LLContainerView::arrange(S32 width, S32 height, BOOL called_from_parent)
- {
- // Determine the sizes and locations of all contained views
- S32 total_height = 0;
- S32 top, left, right, bottom;
- //LLView *childp;
- // These will be used for the children
- left = 4;
- top = getRect().getHeight() - 4;
- right = width - 2;
- bottom = top;
-
- // Leave some space for the top label/grab handle
- if (mShowLabel)
- {
- total_height += 20;
- }
- if (mDisplayChildren)
- {
- // Determine total height
- U32 child_height = 0;
- for (child_list_const_iter_t child_iter = getChildList()->begin();
- child_iter != getChildList()->end(); ++child_iter)
- {
- LLView *childp = *child_iter;
- if (!childp->getVisible())
- {
- llwarns << "Incorrect visibility!" << llendl;
- }
- LLRect child_rect = childp->getRequiredRect();
- child_height += child_rect.getHeight();
- child_height += 2;
- }
- total_height += child_height;
- }
- if (total_height < height)
- total_height = height;
-
- if (followsTop())
- {
- // HACK: casting away const. Should use setRect or some helper function instead.
- const_cast<LLRect&>(getRect()).mBottom = getRect().mTop - total_height;
- }
- else
- {
- // HACK: casting away const. Should use setRect or some helper function instead.
- const_cast<LLRect&>(getRect()).mTop = getRect().mBottom + total_height;
- }
- // HACK: casting away const. Should use setRect or some helper function instead.
- const_cast<LLRect&>(getRect()).mRight = getRect().mLeft + width;
- top = total_height;
- if (mShowLabel)
- {
- top -= 20;
- }
-
- bottom = top;
- if (mDisplayChildren)
- {
- // Iterate through all children, and put in container from top down.
- for (child_list_const_iter_t child_iter = getChildList()->begin();
- child_iter != getChildList()->end(); ++child_iter)
- {
- LLView *childp = *child_iter;
- LLRect child_rect = childp->getRequiredRect();
- bottom -= child_rect.getHeight();
- LLRect r(left, bottom + child_rect.getHeight(), right, bottom);
- childp->setRect(r);
- childp->reshape(right - left, top - bottom);
- top = bottom - 2;
- bottom = top;
- }
- }
-
- if (!called_from_parent)
- {
- if (getParent())
- {
- getParent()->reshape(getParent()->getRect().getWidth(), getParent()->getRect().getHeight(), FALSE);
- }
- }
- }
- LLRect LLContainerView::getRequiredRect()
- {
- LLRect req_rect;
- //LLView *childp;
- U32 total_height = 0;
-
- // Determine the sizes and locations of all contained views
- // Leave some space for the top label/grab handle
- if (mShowLabel)
- {
- total_height = 20;
- }
-
- if (mDisplayChildren)
- {
- // Determine total height
- U32 child_height = 0;
- for (child_list_const_iter_t child_iter = getChildList()->begin();
- child_iter != getChildList()->end(); ++child_iter)
- {
- LLView *childp = *child_iter;
- LLRect child_rect = childp->getRequiredRect();
- child_height += child_rect.getHeight();
- child_height += 2;
- }
- total_height += child_height;
- }
- req_rect.mTop = total_height;
- return req_rect;
- }
- void LLContainerView::setLabel(const std::string& label)
- {
- mLabel = label;
- }
- void LLContainerView::setDisplayChildren(const BOOL displayChildren)
- {
- mDisplayChildren = displayChildren;
- for (child_list_const_iter_t child_iter = getChildList()->begin();
- child_iter != getChildList()->end(); ++child_iter)
- {
- LLView *childp = *child_iter;
- childp->setVisible(mDisplayChildren);
- }
- }