186 lines
4.8 KiB
C++
186 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsToolkit.h"
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#include "nsWindow.h"
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#include "nsGUIEvent.h"
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#include <Gestalt.h>
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#include <Appearance.h>
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#include "nsIEventQueueService.h"
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#include "nsIServiceManager.h"
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// Class IDs...
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static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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// Interface IDs...
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static NS_DEFINE_IID(kIEventQueueServiceIID, NS_IEVENTQUEUESERVICE_IID);
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nsWindow* nsToolkit::mFocusedWidget = nsnull;
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//=================================================================
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/* Constructor
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* @update dc 08/31/98
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* @param NONE
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* @return NONE
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*/
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nsToolkit::nsToolkit(): Repeater()
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{
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NS_INIT_REFCNT();
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}
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//=================================================================
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/* Destructor.
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* @update dc 08/31/98
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* @param NONE
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* @return NONE
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*/
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nsToolkit::~nsToolkit()
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{
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if (mFocusedWidget)
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{
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mFocusedWidget->RemoveDeleteObserver(this);
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mFocusedWidget = nsnull;
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}
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StopRepeating();
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}
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//=================================================================
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/* Set the focus to a widget, send out the appropriate focus/defocus events
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* @update dc 08/31/98
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* @param aMouseInside -- A boolean indicating if the mouse is inside the control
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* @return NONE
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*/
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void nsToolkit::SetFocus(nsWindow *aFocusWidget)
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{
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if (aFocusWidget == mFocusedWidget)
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return;
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nsGUIEvent guiEvent;
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guiEvent.eventStructType = NS_GUI_EVENT;
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guiEvent.point.x = 0, guiEvent.point.y = 0;
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guiEvent.time = PR_IntervalNow();
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guiEvent.widget = nsnull;
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guiEvent.nativeMsg = nsnull;
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// tell the old widget, it is not focused
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if (mFocusedWidget)
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{
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mFocusedWidget->RemoveDeleteObserver(this);
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guiEvent.message = NS_LOSTFOCUS;
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guiEvent.widget = mFocusedWidget;
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mFocusedWidget->DispatchWindowEvent(guiEvent);
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mFocusedWidget = nsnull;
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}
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// let the new one know
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if (aFocusWidget)
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{
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mFocusedWidget = aFocusWidget;
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mFocusedWidget->AddDeleteObserver(this);
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guiEvent.message = NS_GOTFOCUS;
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guiEvent.widget = mFocusedWidget;
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mFocusedWidget->DispatchWindowEvent(guiEvent);
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}
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}
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//=================================================================
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/* nsISupports implementation macro's
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* @update dc 08/31/98
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* @param NONE
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* @return NONE
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*/
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NS_DEFINE_IID(kIToolkitIID, NS_ITOOLKIT_IID);
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NS_IMPL_ISUPPORTS(nsToolkit,kIToolkitIID);
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//=================================================================
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/* Initialize the Toolbox
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* @update dc 08/31/98
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* @param aThread -- A pointer to a PRThread, not really sure of its use for the Mac yet
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* @return NONE
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*/
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NS_IMETHODIMP nsToolkit::Init(PRThread *aThread)
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{
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StartRepeating();
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return NS_OK;
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}
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//=================================================================
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/* Process the NSPR event queue.
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* @update dc 08/31/98
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* @param inMacEvent -- A mac os event, Not used
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* @return NONE
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*/
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void nsToolkit::RepeatAction(const EventRecord& /*inMacEvent*/)
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{
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// Handle pending NSPR events
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nsIEventQueueService* eventQService = NULL;
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if ( NS_SUCCEEDED( nsServiceManager::GetService(kEventQueueServiceCID,
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kIEventQueueServiceIID,
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(nsISupports **)&eventQService) ) )
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{
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eventQService->ProcessEvents();
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nsServiceManager::ReleaseService(kEventQueueServiceCID, eventQService);
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}
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}
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//=================================================================
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/*
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*/
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void nsToolkit::NotifyDelete(void* aDeletedObject)
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{
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if (mFocusedWidget == aDeletedObject)
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mFocusedWidget = nsnull;
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}
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//=================================================================
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/*
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*/
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bool nsToolkit::HasAppearanceManager()
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{
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#define APPEARANCE_MIN_VERSION 0x0110 // we require version 1.1
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static bool inited = false;
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static bool hasAppearanceManager = false;
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if (inited)
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return hasAppearanceManager;
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inited = true;
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SInt32 result;
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if (::Gestalt(gestaltAppearanceAttr, &result) != noErr)
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return false; // no Appearance Mgr
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if (::Gestalt(gestaltAppearanceVersion, &result) != noErr)
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return false; // still version 1.0
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hasAppearanceManager = (result >= APPEARANCE_MIN_VERSION);
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return hasAppearanceManager;
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}
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