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/**
* @file lltoolselectrect.cpp
* @brief A tool to select multiple objects with a screen-space rectangle.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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"
// File includes
#include "lltoolselectrect.h"
// Library includes
#include "llgl.h"
#include "llrender.h"
// Viewer includes
#include "llviewercontrol.h"
#include "llui.h"
#include "llselectmgr.h"
#include "lltoolmgr.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "llviewerwindow.h"
#include "llviewercamera.h"
#include "llglheaders.h"
// Globals
const S32 SLOP_RADIUS = 5;
//
// Member functions
//
LLToolSelectRect::LLToolSelectRect( LLToolComposite* composite )
:
LLToolSelect( composite ),
mDragStartX(0),
mDragStartY(0),
mDragEndX(0),
mDragEndY(0),
mDragLastWidth(0),
mDragLastHeight(0),
mMouseOutsideSlop(FALSE)
{ }
void dialog_refresh_all(void);
BOOL LLToolSelectRect::handleMouseDown(S32 x, S32 y, MASK mask)
{
handlePick(gViewerWindow->pickImmediate(x, y, TRUE));
LLTool::handleMouseDown(x, y, mask);
return mPick.getObject().notNull();
}
void LLToolSelectRect::handlePick(const LLPickInfo& pick)
{
mPick = pick;
// start dragging rectangle
setMouseCapture( TRUE );
mDragStartX = pick.mMousePt.mX;
mDragStartY = pick.mMousePt.mY;
mDragEndX = pick.mMousePt.mX;
mDragEndY = pick.mMousePt.mY;
mMouseOutsideSlop = FALSE;
}
BOOL LLToolSelectRect::handleMouseUp(S32 x, S32 y, MASK mask)
{
setMouseCapture( FALSE );
if( mMouseOutsideSlop )
{
mDragLastWidth = 0;
mDragLastHeight = 0;
mMouseOutsideSlop = FALSE;
if (mask == MASK_CONTROL)
{
LLSelectMgr::getInstance()->deselectHighlightedObjects();
}
else
{
LLSelectMgr::getInstance()->selectHighlightedObjects();
}
return TRUE;
}
else
{
return LLToolSelect::handleMouseUp(x, y, mask);
}
}
BOOL LLToolSelectRect::handleHover(S32 x, S32 y, MASK mask)
{
if( hasMouseCapture() )
{
if (mMouseOutsideSlop || outsideSlop(x, y, mDragStartX, mDragStartY))
{
if (!mMouseOutsideSlop && !(mask & MASK_SHIFT) && !(mask & MASK_CONTROL))
{
// just started rect select, and not adding to current selection
LLSelectMgr::getInstance()->deselectAll();
}
mMouseOutsideSlop = TRUE;
mDragEndX = x;
mDragEndY = y;
handleRectangleSelection(x, y, mask);
}
else
{
return LLToolSelect::handleHover(x, y, mask);
}
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectRect (active)" << llendl;
}
else
{
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectRect (inactive)" << llendl;
}
gViewerWindow->setCursor(UI_CURSOR_ARROW);
return TRUE;
}
void LLToolSelectRect::draw()
{
if( hasMouseCapture() && mMouseOutsideSlop)
{
if (gKeyboard->currentMask(TRUE) == MASK_CONTROL)
{
gGL.color4f(1.f, 0.f, 0.f, 1.f);
}
else
{
gGL.color4f(1.f, 1.f, 0.f, 1.f);
}
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gl_rect_2d(
llmin(mDragStartX, mDragEndX),
llmax(mDragStartY, mDragEndY),
llmax(mDragStartX, mDragEndX),
llmin(mDragStartY, mDragEndY),
FALSE);
if (gKeyboard->currentMask(TRUE) == MASK_CONTROL)
{
gGL.color4f(1.f, 0.f, 0.f, 0.1f);
}
else
{
gGL.color4f(1.f, 1.f, 0.f, 0.1f);
}
gl_rect_2d(
llmin(mDragStartX, mDragEndX),
llmax(mDragStartY, mDragEndY),
llmax(mDragStartX, mDragEndX),
llmin(mDragStartY, mDragEndY));
}
}
// true if x,y outside small box around start_x,start_y
BOOL LLToolSelectRect::outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y)
{
S32 dx = x - start_x;
S32 dy = y - start_y;
return (dx <= -SLOP_RADIUS || SLOP_RADIUS <= dx || dy <= -SLOP_RADIUS || SLOP_RADIUS <= dy);
}
//
// Static functions
//
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