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/**
* @file llchicletbar.cpp
* @brief LLChicletBar class implementation
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, 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 "llviewerprecompiledheaders.h" // must be first include
#include "llchicletbar.h"
#include "llchiclet.h"
#include "lllayoutstack.h"
#include "llpaneltopinfobar.h"
namespace
{
const std::string& PANEL_CHICLET_NAME = "chiclet_list_panel";
S32 get_curr_width(LLUICtrl* ctrl)
{
S32 cur_width = 0;
if ( ctrl && ctrl->getVisible() )
{
cur_width = ctrl->getRect().getWidth();
}
return cur_width;
}
}
LLChicletBar::LLChicletBar(const LLSD&)
: mChicletPanel(NULL),
mToolbarStack(NULL)
{
buildFromFile("panel_chiclet_bar.xml");
}
BOOL LLChicletBar::postBuild()
{
mToolbarStack = getChild<LLLayoutStack>("toolbar_stack");
mChicletPanel = getChild<LLChicletPanel>("chiclet_list");
LLPanelTopInfoBar::instance().setResizeCallback(boost::bind(&LLChicletBar::fitWithTopInfoBar, this));
LLPanelTopInfoBar::instance().setVisibleCallback(boost::bind(&LLChicletBar::fitWithTopInfoBar, this));
return TRUE;
}
void LLChicletBar::showWellButton(const std::string& well_name, bool visible)
{
LLView * panel = findChild<LLView>(well_name + "_panel");
if (!panel) return;
panel->setVisible(visible);
}
void LLChicletBar::log(LLView* panel, const std::string& descr)
{
if (NULL == panel) return;
LLView* layout = panel->getParent();
LL_DEBUGS("Chiclet Bar Rects") << descr << ": "
<< "panel: " << panel->getName()
<< ", rect: " << panel->getRect()
<< " layout: " << layout->getName()
<< ", rect: " << layout->getRect()
<< LL_ENDL;
}
void LLChicletBar::reshape(S32 width, S32 height, BOOL called_from_parent)
{
static S32 debug_calling_number = 0;
lldebugs << "**************************************** " << ++debug_calling_number << llendl;
S32 current_width = getRect().getWidth();
S32 delta_width = width - current_width;
lldebugs << "Reshaping: "
<< ", width: " << width
<< ", cur width: " << current_width
<< ", delta_width: " << delta_width
<< ", called_from_parent: " << called_from_parent
<< llendl;
if (mChicletPanel) log(mChicletPanel, "before");
// Difference between chiclet bar width required to fit its children and the actual width. (see EXT-991)
// Positive value means that chiclet bar is not wide enough.
// Negative value means that there is free space.
static S32 extra_shrink_width = 0;
bool should_be_reshaped = true;
if (mChicletPanel && mToolbarStack)
{
// Firstly, update layout stack to ensure we deal with correct panel sizes.
{
// Force the updating of layout to reset panels collapse factor.
mToolbarStack->updateLayout();
}
// chiclet bar is narrowed
if (delta_width < 0)
{
if (extra_shrink_width > 0) // not enough space
{
extra_shrink_width += llabs(delta_width);
should_be_reshaped = false;
}
else
{
extra_shrink_width = processWidthDecreased(delta_width);
// increase new width to extra_shrink_width value to not reshape less than chiclet bar minimum
width += extra_shrink_width;
}
}
// chiclet bar is widened
else
{
if (extra_shrink_width > delta_width)
{
// Still not enough space.
// Only subtract the delta from the required delta and don't reshape.
extra_shrink_width -= delta_width;
should_be_reshaped = false;
}
else if (extra_shrink_width > 0)
{
// If we have some extra shrink width let's reduce delta_width & width
delta_width -= extra_shrink_width;
width -= extra_shrink_width;
extra_shrink_width = 0;
}
}
}
if (should_be_reshaped)
{
lldebugs << "Reshape all children with width: " << width << llendl;
LLPanel::reshape(width, height, called_from_parent);
}
if (mChicletPanel) log(mChicletPanel, "after");
}
S32 LLChicletBar::processWidthDecreased(S32 delta_width)
{
bool still_should_be_processed = true;
const S32 chiclet_panel_shrink_headroom = getChicletPanelShrinkHeadroom();
// Decreasing width of chiclet panel.
if (chiclet_panel_shrink_headroom > 0)
{
// we have some space to decrease chiclet panel
S32 shrink_by = llmin(-delta_width, chiclet_panel_shrink_headroom);
lldebugs << "delta_width: " << delta_width
<< ", panel_delta_min: " << chiclet_panel_shrink_headroom
<< ", shrink_by: " << shrink_by
<< llendl;
// is chiclet panel wide enough to process resizing?
delta_width += chiclet_panel_shrink_headroom;
still_should_be_processed = delta_width < 0;
lldebugs << "Shrinking chiclet panel by " << shrink_by << " px" << llendl;
mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - shrink_by, mChicletPanel->getParent()->getRect().getHeight());
log(mChicletPanel, "after processing panel decreasing via chiclet panel");
lldebugs << "RS_CHICLET_PANEL"
<< ", delta_width: " << delta_width
<< llendl;
}
S32 extra_shrink_width = 0;
if (still_should_be_processed)
{
extra_shrink_width = -delta_width;
llwarns << "There is no enough width to reshape all children: "
<< extra_shrink_width << llendl;
}
return extra_shrink_width;
}
S32 LLChicletBar::getChicletPanelShrinkHeadroom() const
{
static const S32 min_width = mChicletPanel->getMinWidth();
const S32 cur_width = mChicletPanel->getParent()->getRect().getWidth();
S32 shrink_headroom = cur_width - min_width;
llassert(shrink_headroom >= 0); // the panel cannot get narrower than the minimum
return shrink_headroom;
}
void LLChicletBar::fitWithTopInfoBar()
{
LLPanelTopInfoBar& top_info_bar = LLPanelTopInfoBar::instance();
LLRect rect = getRect();
S32 width = rect.getWidth();
if (top_info_bar.getVisible())
{
S32 delta = top_info_bar.calcScreenRect().mRight - calcScreenRect().mLeft;
if (delta < 0 && rect.mLeft < llabs(delta))
delta = -rect.mLeft;
rect.setLeftTopAndSize(rect.mLeft + delta, rect.mTop, rect.getWidth(), rect.getHeight());
width = rect.getWidth() - delta;
}
else
{
LLView* parent = getParent();
if (parent)
{
LLRect parent_rect = parent->getRect();
rect.setLeftTopAndSize(0, rect.mTop, rect.getWidth(), rect.getHeight());
width = parent_rect.getWidth();
}
}
setRect(rect);
LLPanel::reshape(width, rect.getHeight(), false);
}
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