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Keeping a QTimer around rather than using QTimer::singleShot()

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is more efficient, gives 1295->1320fps improvement with glxgears.


svn path=/trunk/KDE/kdebase/workspace/; revision=787722
This commit is contained in:
Luboš Luňák 2008-03-19 18:13:22 +00:00
parent 6c823ead71
commit 70f6d9c36c
1 changed files with 9 additions and 1 deletions
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10
workspace.cpp
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@ -2598,6 +2598,7 @@ void Workspace::slotBlockShortcuts( int data )
static QPoint last_cursor_pos; static QPoint last_cursor_pos;
static int last_buttons = 0; static int last_buttons = 0;
static Time last_cursor_timestamp = CurrentTime; static Time last_cursor_timestamp = CurrentTime;
static QTimer* last_cursor_timer;
QPoint Workspace::cursorPos() const QPoint Workspace::cursorPos() const
{ {
@ -2613,7 +2614,14 @@ QPoint Workspace::cursorPos() const
&root_x, &root_y, &win_x, &win_y, &state ); &root_x, &root_y, &win_x, &win_y, &state );
last_cursor_pos = QPoint( root_x, root_y ); last_cursor_pos = QPoint( root_x, root_y );
last_buttons = state; last_buttons = state;
QTimer::singleShot( 0, const_cast< Workspace* >( this ), SLOT( resetCursorPosTime())); if( last_cursor_timer == NULL )
{
Workspace* ws = const_cast< Workspace* >( this );
last_cursor_timer = new QTimer( ws );
last_cursor_timer->setSingleShot( true );
connect( last_cursor_timer, SIGNAL( timeout()), ws, SLOT( resetCursorPosTime()));
}
last_cursor_timer->start( 0 );
} }
return last_cursor_pos; return last_cursor_pos;
} }