121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
/**
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* @file llpanelpulldown.cpp
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* @brief A panel that serves as a basis for multiple toolbar pulldown panels
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*
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* $LicenseInfo:firstyear=2020&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2020, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llpanelpulldown.h"
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const F32 AUTO_CLOSE_FADE_TIME_START_SEC = 2.0f;
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const F32 AUTO_CLOSE_FADE_TIME_END_SEC = 3.0f;
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///----------------------------------------------------------------------------
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/// Class LLPanelPresetsCameraPulldown
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///----------------------------------------------------------------------------
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// Default constructor
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LLPanelPulldown::LLPanelPulldown()
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{
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mHoverTimer.stop();
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}
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/*virtual*/
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void LLPanelPulldown::onMouseEnter(S32 x, S32 y, MASK mask)
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{
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mHoverTimer.stop();
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LLPanel::onMouseEnter(x, y, mask);
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}
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/*virtual*/
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void LLPanelPulldown::onTopLost()
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{
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setFocus(FALSE); // drop focus to prevent transfer to parent
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setVisible(FALSE);
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}
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/*virtual*/
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BOOL LLPanelPulldown::handleMouseDown(S32 x, S32 y, MASK mask)
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{
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LLPanel::handleMouseDown(x, y, mask);
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return TRUE;
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}
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/*virtual*/
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BOOL LLPanelPulldown::handleRightMouseDown(S32 x, S32 y, MASK mask)
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{
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LLPanel::handleRightMouseDown(x, y, mask);
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return TRUE;
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}
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/*virtual*/
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BOOL LLPanelPulldown::handleDoubleClick(S32 x, S32 y, MASK mask)
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{
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LLPanel::handleDoubleClick(x, y, mask);
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return TRUE;
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}
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BOOL LLPanelPulldown::handleScrollWheel(S32 x, S32 y, S32 clicks)
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{
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LLPanel::handleScrollWheel(x, y, clicks);
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return TRUE; //If we got here, then we are in Pulldown's rect, consume the event.
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}
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/*virtual*/
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void LLPanelPulldown::onMouseLeave(S32 x, S32 y, MASK mask)
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{
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mHoverTimer.start();
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LLPanel::onMouseLeave(x, y, mask);
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}
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/*virtual*/
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void LLPanelPulldown::onVisibilityChange(BOOL new_visibility)
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{
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if (new_visibility)
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{
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mHoverTimer.start(); // timer will be stopped when mouse hovers over panel
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}
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else
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{
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mHoverTimer.stop();
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}
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}
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//virtual
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void LLPanelPulldown::draw()
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{
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F32 alpha = mHoverTimer.getStarted()
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? clamp_rescale(mHoverTimer.getElapsedTimeF32(), AUTO_CLOSE_FADE_TIME_START_SEC, AUTO_CLOSE_FADE_TIME_END_SEC, 1.f, 0.f)
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: 1.0f;
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LLViewDrawContext context(alpha);
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LLPanel::draw();
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if (alpha == 0.f)
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{
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setFocus(FALSE); // drop focus to prevent transfer to parent
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setVisible(FALSE);
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}
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}
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