Imported existing code

indra/newview/lltoolselectrect.cpp

@@ -0,0 +1,214 @@
+/** 
+ * @file lltoolselectrect.cpp
+ * @brief A tool to select multiple objects with a screen-space rectangle.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, 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"
+
+// File includes
+#include "lltoolselectrect.h"
+
+// Library includes
+#include "llgl.h"
+#include "llrender.h"
+#include "lldarray.h"
+
+// Viewer includes
+#include "llviewercontrol.h"
+#include "llui.h"
+#include "llselectmgr.h"
+#include "lltoolview.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);
+		}
+
+		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectRect (active)" << llendl;		
+	}
+	else
+	{
+		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectRect (inactive)" << llendl;		
+	}
+
+	gViewerWindow->getWindow()->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
+//