//-----------------------------------------------------------------------------
// Purpose: Calculates which panel the cursor is currently over and sets it up
// as the current mouse focus.
//-----------------------------------------------------------------------------
void CInputWin32::UpdateMouseFocus(int x, int y)
{
// find the panel that has the focus
VPanel *focus = NULL;
InputContext_t *pContext = GetInputContext( m_hContext );
if (!pContext->_rootPanel)
{
if (surface()->IsCursorVisible() && surface()->IsWithin(x, y))
{
// faster version of code below
// checks through each popup in order, top to bottom windows
for (int i = surface()->GetPopupCount() - 1; i >= 0; i--)
{
VPanel *popup = (VPanel *)surface()->GetPopup(i);
VPanel *panel = popup;
bool wantsMouse = panel->IsMouseInputEnabled();
bool isVisible;
do
{
isVisible = panel->IsVisible();
panel = panel->GetParent();
}
while ( isVisible && panel && panel->GetParent() ); // only consider panels that want mouse input
if ( wantsMouse && isVisible )
{
focus = (VPanel *)popup->Client()->IsWithinTraverse(x, y, false);
if (focus)
break;
}
}
if (!focus)
{
focus = (VPanel *)((VPanel *)surface()->GetEmbeddedPanel())->Client()->IsWithinTraverse(x, y, false);
}
}
}
else
{
focus = (VPanel *)((VPanel *)(pContext->_rootPanel))->Client()->IsWithinTraverse(x, y, false);
}
// mouse focus debugging code
/*
static VPanel *oldFocus = (VPanel *)0x0001;
if (oldFocus != focus)
{
oldFocus = focus;
if (focus)
{
ivgui()->DPrintf2("mouse over: (%s, %s)\n", focus->GetName(), focus->GetClassName());
}
else
{
ivgui()->DPrintf2("mouse over: (NULL)\n");
}
}
*/
// check if we are in modal state,
// and if we are make sure this panel is a child of us.
if (!IsChildOfModalPanel((VPANEL)focus))
{
// should this be _appModalPanel?
focus = NULL;
}
SetMouseFocus((VPANEL)focus);
}
//-----------------------------------------------------------------------------
// Purpose: Calculate the new key focus
//-----------------------------------------------------------------------------
VPanel *CInputWin32::CalculateNewKeyFocus()
{
InputContext_t *pContext = GetInputContext(m_hContext);
// get the top-order panel
VPanel *top = NULL;
VPanel *wantedKeyFocus = NULL;
if (!pContext->_rootPanel)
{
if (surface()->GetPopupCount() > 0)
{
// find the highest-level window that is both visible and a popup
int index = surface()->GetPopupCount();
while (index)
{
top = (VPanel *)surface()->GetPopup(--index);
// traverse the heirachy and check if the popup really is visible
if (top->IsPopup() && top->IsVisible() && top->IsKeyBoardInputEnabled() && !surface()->IsMinimized((VPANEL)top))
{
bool IsVisible = top->IsVisible();
VPanel *p = top->GetParent();
// drill down the heirachy checking that everything is visible
while(p && IsVisible)
{
if( p->IsVisible()==false)
{
IsVisible=false;
break;
}
p=p->GetParent();
}
if (IsVisible && !surface()->IsMinimized((VPANEL)top) )
{
break;
}
}
top = NULL;
}
}
}
else
{
top = (VPanel *)pContext->_rootPanel;
}
if (top)
{
// ask the top-level panel for what it considers to be the current focus
wantedKeyFocus = (VPanel *)top->Client()->GetCurrentKeyFocus();
if (!wantedKeyFocus)
{
wantedKeyFocus = top;
}
}
// check to see if any of this surfaces panels have the focus
if (!surface()->HasFocus())
{
wantedKeyFocus=NULL;
}
// check if we are in modal state,
// and if we are make sure this panel is a child of us.
if (!IsChildOfModalPanel((VPANEL)wantedKeyFocus))
{
wantedKeyFocus=NULL;
}
return wantedKeyFocus;
}
//-----------------------------------------------------------------------------
// Purpose: Sets the new mouse focus
// won't override _mouseCapture settings
// Input : newMouseFocus -
//-----------------------------------------------------------------------------
void CInputWin32::SetMouseFocus(VPANEL newMouseFocus)
{
// check if we are in modal state,
// and if we are make sure this panel is a child of us.
if (!IsChildOfModalPanel(newMouseFocus))
{
return;
}
bool wantsMouse, isPopup; // = popup->GetMouseInput();
VPanel *panel = (VPanel *)newMouseFocus;
InputContext_t *pContext = GetInputContext( m_hContext );
if ( newMouseFocus )
{
do
{
wantsMouse = panel->IsMouseInputEnabled();
isPopup = panel->IsPopup();
panel = panel->GetParent();
}
while ( wantsMouse && !isPopup && panel && panel->GetParent() ); // only consider panels that want mouse input
}
// if this panel doesn't want mouse input don't let it get focus
if (newMouseFocus && !wantsMouse)
{
return;
}
if ((VPANEL)pContext->_mouseOver != newMouseFocus || (!pContext->_mouseCapture && (VPANEL)pContext->_mouseFocus != newMouseFocus) )
{
pContext->_oldMouseFocus = pContext->_mouseOver;
pContext->_mouseOver = (VPanel *)newMouseFocus;
//tell the old panel with the mouseFocus that the cursor exited
if (pContext->_oldMouseFocus != NULL)
{
// only notify of entry if the mouse is not captured or we're a child of the captured panel
if ( !pContext->_mouseCapture || pContext->_oldMouseFocus->HasParent(pContext->_mouseCapture) )
{
ivgui()->PostMessage((VPANEL)pContext->_oldMouseFocus, new KeyValues("CursorExited"), NULL);
}
}
//tell the new panel with the mouseFocus that the cursor entered
if (pContext->_mouseOver != NULL)
{
// only notify of entry if the mouse is not captured or we're a child of the captured panel
if ( !pContext->_mouseCapture || pContext->_mouseOver->HasParent(pContext->_mouseCapture) )
{
ivgui()->PostMessage((VPANEL)pContext->_mouseOver, new KeyValues("CursorEntered"), NULL);
}
}
// set where the mouse is currently over
// mouse capture overrides destination
if ( pContext->_mouseCapture )
{
pContext->_mouseFocus = pContext->_mouseCapture;
}
else
{
pContext->_mouseFocus = pContext->_mouseOver;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CInputWin32::RunFrame()
{
InputContext_t *pContext = GetInputContext(m_hContext);
if (m_hContext == DEFAULT_INPUT_CONTEXT)
{
_updateToggleButtonState = true;
/* FIXME: add the set cursor call?
// make sure the cursor looks like it is supposed to
if (pContext->_mouseFocus)
{
pContext->_mouseFocus->Client()->InternalSetCursor();
}*/
}
// tick whoever has the focus
if (pContext->_keyFocus)
{
// when modal dialogs are up messages only get sent to the dialogs children.
if (IsChildOfModalPanel((VPANEL)pContext->_keyFocus))
{
ivgui()->PostMessage((VPANEL)pContext->_keyFocus, new KeyValues("KeyFocusTicked"), NULL);
}
}
// tick whoever has the focus
if (pContext->_mouseFocus)
{
// when modal dialogs are up messages only get sent to the dialogs children.
if (IsChildOfModalPanel((VPANEL)pContext->_mouseFocus))
{
ivgui()->PostMessage((VPANEL)pContext->_mouseFocus, new KeyValues("MouseFocusTicked"), NULL);
}
}
//clear mouse and key states
for (int i = 0; i < MOUSE_LAST; i++)
{
pContext->_mousePressed[i] = 0;
pContext->_mouseDoublePressed[i] = 0;
pContext->_mouseReleased[i] = 0;
}
for (i = 0; i < KEY_LAST; i++)
{
pContext->_keyPressed[i] = 0;
pContext->_keyTyped[i] = 0;
pContext->_keyReleased[i] = 0;
}
VPanel *wantedKeyFocus = CalculateNewKeyFocus();
// make sure old and new focus get painted
if (pContext->_keyFocus != wantedKeyFocus)
{
if (pContext->_keyFocus != NULL)
{
pContext->_keyFocus->Client()->InternalFocusChanged(true);
// send a message to the window saying that it's losing focus
ivgui()->PostMessage((VPANEL)pContext->_keyFocus, new KeyValues("KillFocus"), NULL);
pContext->_keyFocus->Client()->Repaint();
// repaint the nearest popup as well, since it will need to redraw after losing focus
VPanel *dlg = pContext->_keyFocus;
while (dlg && !dlg->IsPopup())
{
dlg = dlg->GetParent();
}
if (dlg)
{
dlg->Client()->Repaint();
}
}
if (wantedKeyFocus != NULL)
{
wantedKeyFocus->Client()->InternalFocusChanged(false);
// send a message to the window saying that it's gaining focus
ivgui()->PostMessage((VPANEL)wantedKeyFocus, new KeyValues("SetFocus"), NULL);
wantedKeyFocus->Client()->Repaint();
// repaint the nearest popup as well, since it will need to redraw after gaining focus
VPanel *dlg = wantedKeyFocus;
while (dlg && !dlg->IsPopup())
{
dlg = dlg->GetParent();
}
if (dlg)
{
dlg->Client()->Repaint();
}
}
// accept the focus request
pContext->_keyFocus = wantedKeyFocus;
if (pContext->_keyFocus)
{
pContext->_keyFocus->MoveToFront();
}
}
}