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Snap to window corners.

Browse source 
BUG: 130452

svn path=/trunk/KDE/kdebase/workspace/; revision=837640
This commit is contained in:
Lucas Murray 2008-07-25 10:19:28 +00:00
parent 79a8f87268
commit e1683ef06f
1 changed files with 68 additions and 0 deletions
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68
geometry.cpp
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@ -394,6 +394,34 @@ QPoint Workspace::adjustClientPosition( Client* c, QPoint pos, bool unrestricted
ny = ly - ch;
}
}
// Corner snapping
if( nx == lrx || nx+cw == lx )
{
if ((sOWO?(ry>lry):true) && (qAbs(lry-ry)<snap) && (qAbs(lry-ry) < deltaY))
{
deltaY = qAbs( lry - ry );
ny = lry - ch;
}
if ((sOWO?(cy<ly):true) && (qAbs(cy-ly)<snap) && (qAbs(cy-ly) < deltaY))
{
deltaY = qAbs( cy - ly );
ny = ly;
}
}
if( ny == lry || ny+ch == ly )
{
if ((sOWO?(rx>lrx):true) && (qAbs(lrx-rx)<snap) && (qAbs(lrx-rx) < deltaX))
{
deltaX = qAbs( lrx - rx );
nx = lrx - cw;
}
if ((sOWO?(cx<lx):true) && (qAbs(cx-lx)<snap) && (qAbs(cx-lx) < deltaX))
{
deltaX = qAbs( cx - lx );
nx = lx;
}
}
}
}
}
@ -586,35 +614,75 @@ QRect Workspace::adjustClientSize( Client* c, QRect moveResizeGeom, int mode )
newrx=lx; \
}
#define SNAP_WINDOW_C_TOP if ( (sOWO?(newcy<ly):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(ly-newcy) < deltaY ) { \
deltaY = qAbs( ly - newcy ); \
newcy=ly; \
}
#define SNAP_WINDOW_C_BOTTOM if ( (sOWO?(newry>lry):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(lry-newry) < deltaY ) { \
deltaY = qAbs( lry - newry ); \
newry=lry; \
}
#define SNAP_WINDOW_C_LEFT if ( (sOWO?(newcx<lx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lx-newcx) < deltaX ) { \
deltaX = qAbs( lx - newcx ); \
newcx=lx; \
}
#define SNAP_WINDOW_C_RIGHT if ( (sOWO?(newrx>lrx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lrx-newrx) < deltaX ) { \
deltaX = qAbs( lrx - newrx ); \
newrx=lrx; \
}
switch ( mode )
{
case PositionBottomRight:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_RIGHT
break;
case PositionRight:
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_RIGHT
break;
case PositionBottom:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_C_BOTTOM
break;
case PositionTopLeft:
SNAP_WINDOW_TOP
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_LEFT
break;
case PositionLeft:
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_LEFT
break;
case PositionTop:
SNAP_WINDOW_TOP
SNAP_WINDOW_C_TOP
break;
case PositionTopRight:
SNAP_WINDOW_TOP
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_RIGHT
break;
case PositionBottomLeft:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_LEFT
break;
default:
assert( false );