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path: root/indra/newview/llpanelpresetspulldown.cpp
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/** 
 * @file llpanelpresetspulldown.cpp
 * @brief A panel showing a quick way to pick presets
 *
 * $LicenseInfo:firstyear=2014&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2014, 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"

#include "llpanelpresetspulldown.h"

#include "llviewercontrol.h"
#include "llstatusbar.h"

#include "llbutton.h"
#include "lltabcontainer.h"
#include "llfloaterreg.h"
#include "llfloaterpreference.h"
#include "llpresetsmanager.h"
#include "llsliderctrl.h"
#include "llscrolllistctrl.h"

/* static */ const F32 LLPanelPresetsPulldown::sAutoCloseFadeStartTimeSec = 4.0f;
/* static */ const F32 LLPanelPresetsPulldown::sAutoCloseTotalTimeSec = 5.0f;

///----------------------------------------------------------------------------
/// Class LLPanelPresetsPulldown
///----------------------------------------------------------------------------

// Default constructor
LLPanelPresetsPulldown::LLPanelPresetsPulldown()
{
	mHoverTimer.stop();

	mCommitCallbackRegistrar.add("Presets.GoGraphicsPrefs", boost::bind(&LLPanelPresetsPulldown::onGraphicsButtonClick, this, _2));
	mCommitCallbackRegistrar.add("Presets.RowClick", boost::bind(&LLPanelPresetsPulldown::onRowClick, this, _2));

	buildFromFile( "panel_presets_pulldown.xml");
}

BOOL LLPanelPresetsPulldown::postBuild()
{
	LLPresetsManager::instance().setPresetListChangeCallback(boost::bind(&LLPanelPresetsPulldown::populatePanel, this));
	// Make sure there is a default preference file
	LLPresetsManager::getInstance()->createMissingDefault();

	populatePanel();

	return LLPanel::postBuild();
}

void LLPanelPresetsPulldown::populatePanel()
{
	std::string presets_dir = LLPresetsManager::getInstance()->getPresetsDir(PRESETS_GRAPHIC);
	LLPresetsManager::getInstance()->loadPresetNamesFromDir(presets_dir, mPresetNames, DEFAULT_POSITION_NORMAL);

	LLScrollListCtrl* scroll = getChild<LLScrollListCtrl>("preset_list");

	if (scroll && mPresetNames.begin() != mPresetNames.end())
	{
		scroll->clearRows();

		for (std::list<std::string>::const_iterator it = mPresetNames.begin(); it != mPresetNames.end(); ++it)
		{
			const std::string& name = *it;

			LLSD row;
			row["columns"][0]["column"] = "preset_name";
			row["columns"][0]["value"] = name;

			if (name == gSavedSettings.getString("PresetGraphicActive"))
			{
				row["columns"][1]["column"] = "icon";
				row["columns"][1]["type"] = "icon";
				row["columns"][1]["value"] = "Inv_Landmark";
			}

			scroll->addElement(row);
		}
	}
}

/*virtual*/
void LLPanelPresetsPulldown::onMouseEnter(S32 x, S32 y, MASK mask)
{
	mHoverTimer.stop();
	LLPanel::onMouseEnter(x,y,mask);
}

/*virtual*/
void LLPanelPresetsPulldown::onTopLost()
{
	setVisible(FALSE);
}

/*virtual*/
void LLPanelPresetsPulldown::onMouseLeave(S32 x, S32 y, MASK mask)
{
	mHoverTimer.start();
	LLPanel::onMouseLeave(x,y,mask);
}

/*virtual*/ 
void LLPanelPresetsPulldown::onVisibilityChange ( BOOL new_visibility )
{
	if (new_visibility)	
	{
		mHoverTimer.start(); // timer will be stopped when mouse hovers over panel
	}
	else
	{
		mHoverTimer.stop();

	}
}

void LLPanelPresetsPulldown::onRowClick(const LLSD& user_data)
{
	LLScrollListCtrl* scroll = getChild<LLScrollListCtrl>("preset_list");

	if (scroll)
	{
		LLScrollListItem* item = scroll->getFirstSelected();
		if (item)
		{
			std::string name = item->getColumn(1)->getValue().asString();

			LLPresetsManager::getInstance()->loadPreset(PRESETS_GRAPHIC, name);
			LLFloaterPreference* instance = LLFloaterReg::findTypedInstance<LLFloaterPreference>("preferences");
			if (instance)
			{
				instance->refreshEnabledGraphics();
			}
			setVisible(FALSE);
		}
	}
}

void LLPanelPresetsPulldown::onGraphicsButtonClick(const LLSD& user_data)
{
	// close the minicontrol, we're bringing up the big one
	setVisible(FALSE);

	// bring up the prefs floater
	LLFloater* prefsfloater = LLFloaterReg::showInstance("preferences");
	if (prefsfloater)
	{
		// grab the 'graphics' panel from the preferences floater and
		// bring it the front!
		LLTabContainer* tabcontainer = prefsfloater->getChild<LLTabContainer>("pref core");
		LLPanel* graphicspanel = prefsfloater->getChild<LLPanel>("display");
		if (tabcontainer && graphicspanel)
		{
			tabcontainer->selectTabPanel(graphicspanel);
		}
	}
}

//virtual
void LLPanelPresetsPulldown::draw()
{
	F32 alpha = mHoverTimer.getStarted() 
		? clamp_rescale(mHoverTimer.getElapsedTimeF32(), sAutoCloseFadeStartTimeSec, sAutoCloseTotalTimeSec, 1.f, 0.f)
		: 1.0f;
	LLViewDrawContext context(alpha);

	LLPanel::draw();

	if (alpha == 0.f)
	{
		setVisible(FALSE);
	}
}