void WgMenu::_onEvent( const WgEventPtr& pEvent, WgEventHandler * pHandler )
{
// TODO: Not handle or swallow key-events if some modifier keys are pressed.
WgCoord mousePos = pEvent->PointerPos();
switch( pEvent->Type() )
{
case WG_EVENT_TICK:
{
if( m_selectorCountdown > 0 )
{
WgTickEventPtr pTick = WgTickEvent::Cast(pEvent);
m_selectorCountdown -= pTick->Millisec();
if( m_selectorCountdown < 0 )
{
m_selectorCountdown = 0;
m_nSelectorKeys = 0;
}
}
return;
}
case WG_EVENT_MOUSE_LEAVE:
{
// Unmark any selected item unless it is a submenu...
WgMenuItem * pOldItem = m_items.Get(m_markedItem-1);
if( pOldItem && pOldItem->GetType() != SUBMENU )
{
m_markedItem = 0;
_requestRender();
}
}
break;
case WG_EVENT_MOUSE_ENTER:
case WG_EVENT_MOUSE_MOVE:
{
WgMenuItem * pItem = _getItemAtPos( mousePos.x, mousePos.y );
Uint32 markedItem = 0;
if( pItem )
{
if( pItem->GetType() != SEPARATOR )
{
if( ((WgMenuEntry*)pItem)->IsEnabled() )
markedItem = pItem->Index()+1;
}
}
if( m_markedItem != markedItem )
{
// Mark and request render
m_markedItem = markedItem;
_requestRender();
// Open/close submenus depending on what item we have marked.
if( pItem && pItem->GetType() == SUBMENU )
{
WgMenuSubMenu * pSubMenu = (WgMenuSubMenu*) pItem;
if( pSubMenu != m_pOpenSubMenu )
{
if( m_pOpenSubMenu )
_closeSubMenu( m_pOpenSubMenu );
_openSubMenu( pSubMenu );
}
}
else if( m_pOpenSubMenu )
{
_closeSubMenu( m_pOpenSubMenu );
}
}
}
break;
case WG_EVENT_MOUSE_RELEASE:
{
WgMenuItem * pItem = _getItemAtPos( mousePos.x, mousePos.y );
if( pItem )
SelectItem(pItem);
}
break;
case WG_EVENT_WHEEL_ROLL:
{
WgWheelRollEventPtr pEv = WgWheelRollEvent::Cast(pEvent);
if( pEv->Wheel() == 1 )
{
int distance = pEv->Distance();
_setViewOfs( m_contentOfs - m_entryHeight*distance );
_updateScrollbar( _getHandlePosition(), _getHandleSize() );
}
}
case WG_EVENT_CHARACTER:
{
Uint16 chr = WgCharacterEvent::Cast(pEvent)->Char();
if( chr != 0 )
{
m_selectorCountdown = c_selectorCountdownStart;
if( m_nSelectorKeys < c_maxSelectorKeys )
{
m_selectorKeys[m_nSelectorKeys++] = towlower( chr );
_markFirstFilteredEntry();
}
}
}
break;
case WG_EVENT_KEY_PRESS:
case WG_EVENT_KEY_REPEAT:
{
WgMenuItem * pItem = 0;
if( m_markedItem != 0 )
pItem = m_items.Get( m_markedItem-1 );
int key = WgKeyEvent::Cast(pEvent)->TranslatedKeyCode();
switch( key )
{
case WG_KEY_ESCAPE:
if( m_pOpenSubMenu )
{
_closeSubMenu( m_pOpenSubMenu );
}
break;
case WG_KEY_LEFT:
if( m_pOpenSubMenu )
{
_closeSubMenu( m_pOpenSubMenu );
}
break;
case WG_KEY_RIGHT:
if( pItem )
{
if( pItem->GetType() == SUBMENU )
{
_openSubMenu( (WgMenuSubMenu*) pItem );
}
}
break;
case WG_KEY_RETURN:
if( pItem )
{
if( pItem->GetType() == SUBMENU )
_openSubMenu( (WgMenuSubMenu*) pItem );
else
{
SelectItem(pItem);
pItem = 0; // So we won't mark an item in the closed menu.
}
}
break;
case WG_KEY_UP:
if( pItem )
{
pItem = pItem->Prev();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ) )
pItem = pItem->Prev();
}
break;
case WG_KEY_DOWN:
if( pItem )
pItem = pItem->Next();
else
pItem = m_items.First();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ) )
pItem = pItem->Next();
break;
case WG_KEY_HOME:
pItem = m_items.First();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ) )
pItem = pItem->Next();
break;
case WG_KEY_END:
pItem = m_items.Last();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ))
pItem = pItem->Prev();
break;
case WG_KEY_PAGE_UP:
{
int viewHeight = _getViewSize();
int distance = m_entryHeight;
while( pItem != 0 && distance < viewHeight )
{
if( pItem->IsVisible() )
{
if( pItem->GetType() == SEPARATOR )
distance += m_sepHeight;
else
distance += m_entryHeight;
}
pItem = pItem->Prev();
}
if( !pItem )
{
pItem = m_items.First();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ))
pItem = pItem->Next();
}
break;
}
case WG_KEY_PAGE_DOWN:
{
int viewHeight = _getViewSize();
int distance = m_entryHeight;
while( pItem != 0 && distance < viewHeight )
{
if( pItem->IsVisible() )
{
if( pItem->GetType() == SEPARATOR )
distance += m_sepHeight;
else
distance += m_entryHeight;
}
pItem = pItem->Next();
}
if( !pItem )
{
pItem = m_items.Last();
while( pItem != 0 && (pItem->GetType() == SEPARATOR || !pItem->IsVisible() ))
pItem = pItem->Next();
}
break;
}
}
if( pItem )
{
Uint32 markedItem = pItem->Index()+1;
if( markedItem != m_markedItem )
{
m_markedItem = markedItem;
_scrollItemIntoView(pItem);
_requestRender();
}
}
}
break;
default:
break;
}
// Forward event depending on rules.
if( pEvent->IsMouseButtonEvent() && WgMouseButtonEvent::Cast(pEvent)->Button() == WG_BUTTON_LEFT )
pHandler->SwallowEvent(pEvent);
else if( pEvent->IsKeyEvent() )
{
int key = WgKeyEvent::Cast(pEvent)->TranslatedKeyCode();
if( key == WG_KEY_RIGHT || key == WG_KEY_RETURN || key == WG_KEY_UP || key == WG_KEY_DOWN &&
key == WG_KEY_HOME || key == WG_KEY_END || key == WG_KEY_PAGE_UP || key == WG_KEY_PAGE_DOWN &&
key == WG_KEY_ESCAPE || key == WG_KEY_LEFT )
pHandler->SwallowEvent(pEvent);
}
else if( pEvent->Type() == WG_EVENT_CHARACTER || pEvent->Type() == WG_EVENT_WHEEL_ROLL )
pHandler->SwallowEvent(pEvent);
}
void WgLineEditor::_onEvent( const WgEventPtr& pEvent, WgEventHandler * pHandler )
{
WgWidget::_onEvent(pEvent,pHandler);
WgEventType event = pEvent->Type();
if( event == WG_EVENT_TICK )
{
if( _isSelectable() && m_state.IsFocused() )
{
m_text.incTime( WgTickEvent::Cast(pEvent)->Millisec() );
_requestRender(); //TODO: Should only render the cursor and selection!
}
return;
}
if( (event == WG_EVENT_MOUSE_PRESS || event == WG_EVENT_MOUSE_DRAG) && WgMouseButtonEvent::Cast(pEvent)->Button() == WG_BUTTON_LEFT )
{
if( !m_state.IsFocused() )
GrabFocus();
if( m_state.IsFocused() )
{
if( _isSelectable() && (pEvent->ModKeys() & WG_MODKEY_SHIFT) )
{
m_text.setSelectionMode(true);
}
WgCoord ofs = pEvent->PointerPos();
int x = ofs.x + m_viewOfs;
int y = 0;
if( m_bPasswordMode )
{
WgTextAttr attr;
m_text.GetBaseAttr( attr );
WgPen pen;
pen.SetAttributes( attr );
pen.SetChar(m_pwGlyph);
pen.AdvancePos();
int spacing = pen.GetPosX();
int height = pen.GetLineSpacing();
int line = y/height;
int col = (x+spacing/2)/spacing;
if(col < 0)
{
col = 0;
line = 0;
}
m_text.gotoSoftPos(line,col);
}
else
{
m_text.CursorGotoCoord( WgCoord(x, 0), WgRect(0,0,1000000,1000000) );
}
if(_isSelectable() && event == WG_EVENT_MOUSE_PRESS && !(pEvent->ModKeys() & WG_MODKEY_SHIFT))
{
m_text.ClearSelection();
m_text.setSelectionMode(true);
}
}
_adjustViewOfs();
}
if( event == WG_EVENT_MOUSE_RELEASE )
{
if( m_state.IsFocused() && WgMouseButtonEvent::Cast(pEvent)->Button() == WG_BUTTON_LEFT )
m_text.setSelectionMode(false);
}
if( event == WG_EVENT_CHARACTER )
{
int ch = WgCharacterEvent::Cast(pEvent)->Char();
if( _isEditable() && m_state.IsFocused() && ch >= 32 && ch != 127)
{
if(m_text.hasSelection())
m_text.delSelection();
m_text.setSelectionMode(false);
if( m_text.putChar( ch ) )
{
if( pHandler )
pHandler->QueueEvent( new WgTextEditEvent(this,&text,false) );
_adjustViewOfs();
}
}
}
if( event == WG_EVENT_KEY_RELEASE && m_state.IsFocused() )
{
int key = WgKeyEvent::Cast(pEvent)->TranslatedKeyCode();
switch( key )
{
case WG_KEY_SHIFT:
if(!pHandler->IsMouseButtonPressed(1))
m_text.setSelectionMode(false);
break;
}
}
if( (event == WG_EVENT_KEY_PRESS || event == WG_EVENT_KEY_REPEAT) && _isEditable() && m_state.IsFocused() )
{
int key = WgKeyEvent::Cast(pEvent)->TranslatedKeyCode();
switch( key )
{
case WG_KEY_LEFT:
if( pEvent->ModKeys() & WG_MODKEY_SHIFT )
m_text.setSelectionMode(true);
if( pEvent->ModKeys() & WG_MODKEY_CTRL )
{
if( m_bPasswordMode )
m_text.GoBOL();
else
m_text.gotoPrevWord();
}
else
{
m_text.goLeft();
}
break;
case WG_KEY_RIGHT:
if( pEvent->ModKeys() & WG_MODKEY_SHIFT )
m_text.setSelectionMode(true);
if( pEvent->ModKeys() & WG_MODKEY_CTRL )
{
if( m_bPasswordMode )
m_text.GoEOL();
else
m_text.gotoNextWord();
}
else
{
m_text.goRight();
}
break;
case WG_KEY_BACKSPACE:
{
if(m_text.hasSelection())
m_text.delSelection();
else if( (pEvent->ModKeys() & WG_MODKEY_CTRL) && !m_bPasswordMode)
m_text.delPrevWord();
else
m_text.delPrevChar();
if( pHandler )
pHandler->QueueEvent( new WgTextEditEvent(this,&text,false) );
break;
}
case WG_KEY_DELETE:
{
if(m_text.hasSelection())
m_text.delSelection();
else if( (pEvent->ModKeys() & WG_MODKEY_CTRL) && !m_bPasswordMode)
m_text.delNextWord();
else
m_text.delNextChar();
if( pHandler )
pHandler->QueueEvent( new WgTextEditEvent(this,&text,false) );
break;
}
case WG_KEY_HOME:
/*
* I am not sure if this is the proper way to this, but in my opinion, the default
* "actions" has to be separated from any modifier key action combination
*/
switch( pEvent->ModKeys() )
{
case WG_MODKEY_CTRL:
break;
default: // no modifier key was pressed
if(pEvent->ModKeys() & WG_MODKEY_SHIFT )
m_text.setSelectionMode(true);
m_text.GoBOL();
break;
}
break;
case WG_KEY_END:
/*
* I am not sure if this is the proper way to this, but in my opinion, the default
* "actions" has to be separated from any modifier key action combination
*/
switch( pEvent->ModKeys() )
{
case WG_MODKEY_CTRL:
break;
default: // no modifier key was pressed
if( pEvent->ModKeys() & WG_MODKEY_SHIFT )
m_text.setSelectionMode(true);
m_text.GoEOL();
break;
}
break;
default:
break;
}
_adjustViewOfs();
}
// Forward event depending on rules.
if( pEvent->IsMouseButtonEvent() )
{
if( WgMouseButtonEvent::Cast(pEvent)->Button() == WG_BUTTON_LEFT )
pHandler->SwallowEvent(pEvent);
}
else if( pEvent->IsKeyEvent() )
{
int key = WgKeyEvent::Cast(pEvent)->TranslatedKeyCode();
if( WgKeyEvent::Cast(pEvent)->IsMovementKey() == true ||
key == WG_KEY_DELETE || key == WG_KEY_BACKSPACE )
pHandler->SwallowEvent(pEvent);
//TODO: Would be good if we didn't forward any character-creating keys either...
}
}