WgMenuItem * WgMenu::_getItemAtPos( int x, int y )
{
WgBorder contentBorder = _getPadding();
x -= contentBorder.left;
y -= contentBorder.top;
y += m_contentOfs;
if( y > 0 && x > 0 && x < (int) ( Geo().w - contentBorder.right ) )
{
WgMenuItem * pItem = m_items.First();
while( pItem )
{
if( pItem->IsVisible() )
{
if( pItem->GetType() == SEPARATOR )
y -= m_sepHeight;
else
y -= m_entryHeight;
if( y < 0 )
{
return pItem;
}
}
pItem = pItem->Next();
}
}
return 0;
}
// ERR packet (see http://dev.mysql.com/doc/internals/en/packet-ERR_Packet.html)
static void _responseError(mysql_t *mysql) {
mysql->state = MySQL_Error;
mysql->response.data.error.code = _getUInt2(&mysql->response);
if (mysql->capabilities & CLIENT_PROTOCOL_41)
_getPadding(&mysql->response, 6); // skip sql_state_marker and sql_state which we don't use
mysql->response.data.error.message = _getString(&mysql->response);
THROW(IOException, "Server returned error code %d -- %s", mysql->response.data.error.code, mysql->response.data.error.message);
}
WgRect WgMenu::_scrollbarGeo( const WgRect& menuGeo ) const
{
if( m_scrollbarHook._widget() )
{
WgRect contentGeo = menuGeo - _getPadding();
WgRect scrollbarGeo( contentGeo.x + contentGeo.w - m_scrollbarHook.m_size.w, contentGeo.y, m_scrollbarHook.m_size.w, contentGeo.h ); //TODO: Scrollbar is now hardcoded to right side.
return scrollbarGeo;
}
else
return WgRect();
}
void WgMenu::_setViewOfs(int pos)
{
int viewHeight = Size().h - _getPadding().Height();
if( pos + viewHeight > m_contentHeight )
pos = m_contentHeight - viewHeight;
if( pos < 0 )
pos = 0;
if( pos != (int) m_contentOfs )
{
m_contentOfs = pos;
_requestRender();
}
}
float WgMenu::_setPosition( float fraction )
{
if( fraction < 0.f )
fraction = 0.f;
if( fraction > 1.f )
fraction = 1.f;
int viewHeight = Size().h - _getPadding().Height();
int ofs = (int) (fraction * (m_contentHeight-viewHeight));
_setViewOfs(ofs);
return fraction;
}
// Initial handshake packet (see http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::Handshake)
static void _responseHandshake(mysql_t *mysql) {
mysql->state = MySQL_Handshake;
// Protocol is 10 for MySQL 5.x
if (mysql->response.header != 10)
THROW(IOException, "Invalid protocol version %d", mysql->response.header);
mysql->response.data.handshake.version = _getString(&mysql->response);
mysql->response.data.handshake.connectionid = _getUInt4(&mysql->response);
snprintf(mysql->response.data.handshake.authdata, 9, "%s", _getString(&mysql->response)); // auth_plugin_data_part_1
mysql->response.data.handshake.capabilities = _getUInt2(&mysql->response); // capability flags (lower 2 bytes)
mysql->response.data.handshake.characterset = _getUInt1(&mysql->response);
mysql->response.data.handshake.status = _getUInt2(&mysql->response);
mysql->response.data.handshake.capabilities |= _getUInt2(&mysql->response) << 16; // merge capability flags (lower 2 bytes + upper 2 bytes)
mysql->response.data.handshake.authdatalen = _getUInt1(&mysql->response);
_getPadding(&mysql->response, 10); // reserved bytes
if (mysql->response.data.handshake.capabilities & CLIENT_SECURE_CONNECTION)
snprintf(mysql->response.data.handshake.authdata + 8, 13, "%s", _getString(&mysql->response)); // auth_plugin_data_part_2
mysql->capabilities = mysql->response.data.handshake.capabilities; // Save capabilities
DEBUG("MySQL Server: Protocol: %d, Version: %s, Connection ID: %d\n", mysql->response.header, mysql->response.data.handshake.version, mysql->response.data.handshake.connectionid);
}
int WgMenu::_getViewSize()
{
return Size().h-_getPadding().Height();
}
float WgMenu::_getHandlePosition()
{
return ((float)m_contentOfs) / (m_contentHeight-(Size().h-_getPadding().Height()));
}
float WgMenu::_wheelRolled( int distance )
{
int viewHeight = Size().h - _getPadding().Height();
_setViewOfs( m_contentOfs + m_entryHeight*distance );
return _getHandlePosition();
}
float WgMenu::_jumpBwd()
{
int viewHeight = Size().h - _getPadding().Height();
_setViewOfs( m_contentOfs - (viewHeight - m_entryHeight) );
return _getHandlePosition();
}
void WgMenu::_adjustSize()
{
WgBorder contentBorder = _getPadding();
int w = contentBorder.Width();
int h = contentBorder.Height();
int minSep = m_sepBorder.Width();
if( m_pSeparatorSkin )
minSep += m_pSeparatorSkin->MinSize().w;
WgMenuItem * pItem = m_items.First();
while( pItem )
{
if( pItem->IsVisible() )
{
if( pItem->GetType() == SEPARATOR )
{
h += m_sepHeight;
if( w < minSep )
w = minSep;
}
else
{
h += m_entryHeight;
int minW = ((WgMenuEntry*)pItem)->m_minWidth + contentBorder.Width() + m_iconFieldWidth + m_arrowFieldWidth;
if( w < minW )
w = minW;
}
}
pItem = pItem->Next();
}
m_contentHeight = h - contentBorder.Height();
if( h < m_entryHeight + contentBorder.Height() )
h = m_entryHeight + contentBorder.Height();
if( w != m_defaultSize.w || h != m_defaultSize.h )
{
m_defaultSize.w = w;
m_defaultSize.h = h;
_requestResize();
}
if( h > Size().h )
{
WgScrollbar * pScrollbar = m_scrollbarHook.Scrollbar();
if( !pScrollbar )
{
pScrollbar = new WgScrollbar();
pScrollbar->SetSkins( 0, m_pScrollbarBgSkin, m_pScrollbarHandleSkin, m_pScrollbarBtnBwdSkin, m_pScrollbarBtnFwdSkin );
pScrollbar->SetButtonLayout( m_scrollbarBtnLayout );
pScrollbar->SetScrollbarTarget(this);
}
WgSize scrollbarSize = pScrollbar->PreferredSize();
m_scrollbarHook.m_size.w = scrollbarSize.w;
m_scrollbarHook.m_size.h = Size().h - contentBorder.Height();
m_scrollbarHook._setWidget(pScrollbar);
_updateScrollbar( _getHandlePosition(), _getHandleSize() );
}
else
{
if( m_scrollbarHook._widget() )
{
m_scrollbarHook._setWidget(0);
}
}
_setViewOfs(m_contentOfs); // Refresh offset.
}
