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/**
* @file llvolumesliderctrl.cpp
* @brief Horizontal volume slider.
*
* Copyright (c) 2004-2007, Linden Research, Inc.
*
* 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#include "llviewerprecompiledheaders.h"
#include "llvolumesliderctrl.h"
#include "llfocusmgr.h"
#include "llui.h"
const F32 VOL_DEFAULT = 0.125f;
const F32 VOL_MIN = 0.f;
const F32 VOL_MAX = 0.5f;
const F32 VOL_INC = 0.01f;
LLVolumeSliderCtrl::LLVolumeSliderCtrl(const std::string& name,
const LLRect& rect,
void (*commit_callback)(LLUICtrl*, void*),
void* callback_data)
:
LLSlider(name, rect, commit_callback, callback_data,
VOL_DEFAULT,
VOL_MIN,
VOL_MAX,
VOL_INC)
{ }
LLVolumeSliderCtrl::~LLVolumeSliderCtrl()
{ }
// virtual
void LLVolumeSliderCtrl::draw()
{
if(!getVisible()) return;
F32 opacity = mEnabled ? 1.f : 0.3f;
// Track
LLRect track(0, mRect.getHeight(), mRect.getWidth(), 0);
track.mBottom += 3;
track.mTop -= 1;
track.mRight -= 1;
LLColor4 center_color = (mThumbCenterColor % opacity);
LLColor4 outline_color = (mThumbOutlineColor % opacity);
gl_triangle_2d(track.mLeft, track.mBottom,
track.mRight, track.mBottom,
track.mRight, track.mTop,
center_color,
TRUE);
gl_triangle_2d(track.mLeft, track.mBottom,
track.mRight, track.mBottom,
track.mRight, track.mTop,
outline_color,
FALSE);
if (gFocusMgr.getMouseCapture() == this)
{
// Thumb
LLRect rect(mDragStartThumbRect);
gl_rect_2d( rect, outline_color );
rect.stretch(-1);
gl_rect_2d( rect, mThumbCenterColor % 0.3f );
// Thumb
if (gFocusMgr.childHasKeyboardFocus(this))
{
LLRect thumb_rect = mThumbRect;
thumb_rect.stretch(llround(lerp(1.f, 3.f, gFocusMgr.getFocusFlashAmt())));
gl_rect_2d(thumb_rect, gFocusMgr.getFocusColor());
}
gl_rect_2d( mThumbRect, mThumbOutlineColor );
}
else
{
LLRect rect(mThumbRect);
// Thumb
if (gFocusMgr.childHasKeyboardFocus(this))
{
LLRect thumb_rect = mThumbRect;
thumb_rect.stretch(llround(lerp(1.f, 3.f, gFocusMgr.getFocusFlashAmt())));
gl_rect_2d(thumb_rect, gFocusMgr.getFocusColor());
}
// Thumb
gl_rect_2d(rect, outline_color);
rect.stretch(-1);
gl_rect_2d( rect, center_color);
}
LLUICtrl::draw();
}
// virtual
LLXMLNodePtr LLVolumeSliderCtrl::getXML(bool save_children) const
{
LLXMLNodePtr node = LLUICtrl::getXML();
LLString control_name = getControlName();
if (!control_name.empty())
{
node->createChild("control_name", TRUE)->setStringValue(control_name);
}
node->createChild("initial_val", TRUE)->setFloatValue(getInitialValue());
node->createChild("min_val", TRUE)->setFloatValue(getMinValue());
node->createChild("max_val", TRUE)->setFloatValue(getMaxValue());
node->createChild("increment", TRUE)->setFloatValue(getIncrement());
return node;
}
LLView* LLVolumeSliderCtrl::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory)
{ LLString name("volume_slider");
node->getAttributeString("name", name);
LLString label;
node->getAttributeString("label", label);
LLRect rect;
createRect(node, rect, parent, LLRect());
LLFontGL* font = LLView::selectFont(node);
// HACK: Font might not be specified.
if (!font)
{
font = LLFontGL::sSansSerifSmall;
}
S32 label_width = font->getWidth(label) + 8;
node->getAttributeS32("label_width", label_width);
LLString control_name;
node->getAttributeString("control_name", control_name);
BOOL show_text = TRUE;
node->getAttributeBOOL("show_text", show_text);
BOOL can_edit_text = FALSE;
node->getAttributeBOOL("can_edit_text", can_edit_text);
F32 initial_value = 0.f;
node->getAttributeF32("initial_val", initial_value);
F32 min_value = 0.f;
node->getAttributeF32("min_val", min_value);
F32 max_value = 1.f;
node->getAttributeF32("max_val", max_value);
F32 increment = 0.1f;
node->getAttributeF32("increment", increment);
U32 precision = 3;
node->getAttributeU32("decimal_digits", precision);
LLVolumeSliderCtrl* slider = new LLVolumeSliderCtrl(name,rect,NULL,NULL);
slider->initFromXML(node, parent);
return slider;
}
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