//----------------------------------------------------------------------------- // 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(); } } }