llpanelvolumepulldown.cpp
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- /**
- * @file llpanelvolumepulldown.cpp
- * @author Tofu Linden
- * @brief A floater showing the master volume pull-down
- *
- * $LicenseInfo:firstyear=2008&license=viewergpl$
- *
- * Copyright (c) 2008-2010, 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 "llviewerprecompiledheaders.h"
- #include "llpanelvolumepulldown.h"
- // Viewer libs
- #include "llviewercontrol.h"
- #include "llstatusbar.h"
- // Linden libs
- #include "llbutton.h"
- #include "lltabcontainer.h"
- #include "llfloaterreg.h"
- #include "llfloaterpreference.h"
- #include "llslider.h"
- /* static */ const F32 LLPanelVolumePulldown::sAutoCloseFadeStartTimeSec = 4.0f;
- /* static */ const F32 LLPanelVolumePulldown::sAutoCloseTotalTimeSec = 5.0f;
- ///----------------------------------------------------------------------------
- /// Class LLPanelVolumePulldown
- ///----------------------------------------------------------------------------
- // Default constructor
- LLPanelVolumePulldown::LLPanelVolumePulldown()
- {
- mCommitCallbackRegistrar.add("Vol.setControlFalse", boost::bind(&LLPanelVolumePulldown::setControlFalse, this, _2));
- mCommitCallbackRegistrar.add("Vol.GoAudioPrefs", boost::bind(&LLPanelVolumePulldown::onAdvancedButtonClick, this, _2));
- LLUICtrlFactory::instance().buildPanel(this, "panel_volume_pulldown.xml");
- }
- BOOL LLPanelVolumePulldown::postBuild()
- {
- // set the initial volume-slider's position to reflect reality
- LLSlider* volslider = getChild<LLSlider>( "mastervolume" );
- volslider->setValue(gSavedSettings.getF32("AudioLevelMaster"));
- return LLPanel::postBuild();
- }
- /*virtual*/
- void LLPanelVolumePulldown::onMouseEnter(S32 x, S32 y, MASK mask)
- {
- mHoverTimer.stop();
- LLPanel::onMouseEnter(x,y,mask);
- }
- /*virtual*/
- void LLPanelVolumePulldown::onMouseLeave(S32 x, S32 y, MASK mask)
- {
- mHoverTimer.start();
- LLPanel::onMouseLeave(x,y,mask);
- }
- /*virtual*/
- void LLPanelVolumePulldown::handleVisibilityChange ( BOOL new_visibility )
- {
- if (new_visibility)
- {
- mHoverTimer.start(); // timer will be stopped when mouse hovers over panel
- gFocusMgr.setTopCtrl(this);
- }
- else
- {
- mHoverTimer.stop();
- if (gFocusMgr.getTopCtrl() == this)
- {
- gFocusMgr.setTopCtrl(NULL);
- }
- }
- }
- /*virtual*/
- void LLPanelVolumePulldown::onTopLost()
- {
- setVisible(FALSE);
- }
- void LLPanelVolumePulldown::onAdvancedButtonClick(const LLSD& user_data)
- {
- // close the global volume minicontrol, we're bringing up the big one
- setVisible(FALSE);
- // bring up the prefs floater
- LLFloaterPreference* prefsfloater = dynamic_cast<LLFloaterPreference*>
- (LLFloaterReg::showInstance("preferences"));
- if (prefsfloater)
- {
- // grab the 'audio' panel from the preferences floater and
- // bring it the front!
- LLTabContainer* tabcontainer = prefsfloater->getChild<LLTabContainer>("pref core");
- LLPanel* audiopanel = prefsfloater->getChild<LLPanel>("audio");
- if (tabcontainer && audiopanel)
- {
- tabcontainer->selectTabPanel(audiopanel);
- }
- }
- }
- void LLPanelVolumePulldown::setControlFalse(const LLSD& user_data)
- {
- std::string control_name = user_data.asString();
- LLControlVariable* control = findControl(control_name);
- if (control)
- control->set(LLSD(FALSE));
- }
- //virtual
- void LLPanelVolumePulldown::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);
- }
- }