lltoolselectrect.cpp

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#include "llviewerprecompiledheaders.h"

// File includes
#include "lltoolselectrect.h"

// Library includes
#include "llgl.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 "viewer.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)
{
        // start dragging rectangle
        setMouseCapture( TRUE );

        mDragStartX = x;
        mDragStartY = y;
        mDragEndX = x;
        mDragEndY = y;

        mMouseOutsideSlop = FALSE;

        LLToolSelect::handleMouseDown(x, y, mask);
        return TRUE;
}


BOOL LLToolSelectRect::handleMouseUp(S32 x, S32 y, MASK mask)
{
        setMouseCapture( FALSE );

        if(     mMouseOutsideSlop )
        {
                mDragLastWidth = 0;
                mDragLastHeight = 0;

                mMouseOutsideSlop = FALSE;
                
                if (mask == MASK_CONTROL)
                {
                        gSelectMgr->deselectHighlightedObjects();
                }
                else
                {
                        gSelectMgr->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
                                gSelectMgr->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)
                {
                        glColor4f(1.f, 0.f, 0.f, 1.f);
                }
                else
                {
                        glColor4f(1.f, 1.f, 0.f, 1.f);
                }
                LLGLSNoTexture gls_no_texture;
                gl_rect_2d(
                        llmin(mDragStartX, mDragEndX),
                        llmax(mDragStartY, mDragEndY),
                        llmax(mDragStartX, mDragEndX),
                        llmin(mDragStartY, mDragEndY),
                        FALSE);
                if (gKeyboard->currentMask(TRUE) == MASK_CONTROL)
                {
                        glColor4f(1.f, 0.f, 0.f, 0.1f);
                }
                else
                {
                        glColor4f(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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