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Mozilla/mozilla/widget/src/beos/nsMenu.cpp
dmose%mozilla.org 92d791b7b0 updated license boilerplate to xPL 1.1, a=chofmann@netscape.com,r=endico@mozilla.org
git-svn-id: svn://10.0.0.236/trunk@52908 18797224-902f-48f8-a5cc-f745e15eee43
1999-11-06 03:40:37 +00:00

671 lines
18 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsMenu.h"
#include "nsIComponentManager.h"
#include "nsIDOMElement.h"
#include "nsIDOMNode.h"
#include "nsIMenuBar.h"
#include "nsIMenuItem.h"
#include "nsIMenuListener.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kMenuCID, NS_MENU_CID);
static NS_DEFINE_CID(kMenuItemCID, NS_MENUITEM_CID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsresult nsMenu::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
*aInstancePtr = NULL;
if (aIID.Equals(nsIMenu::GetIID())) {
*aInstancePtr = (void*)(nsIMenu*) this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)(nsISupports*)(nsIMenu*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(nsIMenuListener::GetIID())) {
*aInstancePtr = (void*)(nsIMenuListener*)this;
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMPL_ADDREF(nsMenu)
NS_IMPL_RELEASE(nsMenu)
//-------------------------------------------------------------------------
//
// nsMenu constructor
//
//-------------------------------------------------------------------------
nsMenu::nsMenu() : nsIMenu()
{
NS_INIT_REFCNT();
mMenu = nsnull;
mMenuBarParent = nsnull;
mMenuParent = nsnull;
mListener = nsnull;
NS_NewISupportsArray(&mItems);
mDOMNode = nsnull;
mWebShell = nsnull;
mDOMElement = nsnull;
}
//-------------------------------------------------------------------------
//
// nsMenu destructor
//
//-------------------------------------------------------------------------
nsMenu::~nsMenu()
{
NS_IF_RELEASE(mMenuBarParent);
NS_IF_RELEASE(mMenuParent);
NS_IF_RELEASE(mListener);
// Remove all references to the items
mItems->Clear();
}
//-------------------------------------------------------------------------
//
// Create the proper widget
//
//-------------------------------------------------------------------------
NS_METHOD nsMenu::Create(nsISupports *aParent, const nsString &aLabel)
{
if(aParent)
{
nsIMenuBar * menubar = nsnull;
aParent->QueryInterface(nsIMenuBar::GetIID(), (void**) &menubar);
if(menubar)
{
mMenuBarParent = menubar;
NS_RELEASE(menubar);
}
else
{
nsIMenu * menu = nsnull;
aParent->QueryInterface(nsIMenu::GetIID(), (void**) &menu);
if(menu)
{
mMenuParent = menu;
NS_RELEASE(menu);
}
}
}
mLabel = aLabel;
char *str = mLabel.ToNewCString();
mMenu = new BMenu(str);
delete [] str;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
{
aParent = nsnull;
if (nsnull != mMenuParent) {
return mMenuParent->QueryInterface(kISupportsIID,(void**)&aParent);
} else if (nsnull != mMenuBarParent) {
return mMenuBarParent->QueryInterface(kISupportsIID,(void**)&aParent);
}
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetLabel(nsString &aText)
{
aText = mLabel;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetLabel(const nsString &aText)
{
mLabel = aText;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetAccessKey(nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetAccessKey(const nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set enabled state
*
*/
NS_METHOD nsMenu::SetEnabled(PRBool aIsEnabled)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddItem(nsISupports * aItem)
{
if(aItem)
{
nsIMenuItem * menuitem = nsnull;
aItem->QueryInterface(nsIMenuItem::GetIID(),
(void**)&menuitem);
if(menuitem)
{
AddMenuItem(menuitem); // nsMenu now owns this
NS_RELEASE(menuitem);
}
else
{
nsIMenu * menu = nsnull;
aItem->QueryInterface(nsIMenu::GetIID(),
(void**)&menu);
if(menu)
{
AddMenu(menu); // nsMenu now owns this
NS_RELEASE(menu);
}
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddSeparator()
{
// Create nsMenuItem
nsIMenuItem * pnsMenuItem = nsnull;
nsresult rv = nsComponentManager::CreateInstance(
kMenuItemCID, nsnull, nsIMenuItem::GetIID(), (void**)&pnsMenuItem);
if (NS_OK == rv) {
nsString tmp = "menuseparator";
nsISupports * supports = nsnull;
QueryInterface(kISupportsIID, (void**) &supports);
pnsMenuItem->Create(supports, tmp, PR_TRUE);
NS_RELEASE(supports);
pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
AddItem(supports); // Parent should now own menu item
NS_RELEASE(supports);
NS_RELEASE(pnsMenuItem);
}
return NS_OK;
}
//-------------------------------------------------------------------------
// This does not return a ref counted object
// This is NOT an nsIMenu method
nsIMenuBar * nsMenu::GetMenuBar(nsIMenu * aMenu)
{
if (!aMenu) {
return nsnull;
}
nsMenu * menu = (nsMenu *)aMenu;
if (menu->GetMenuBarParent()) {
return menu->GetMenuBarParent();
}
if (menu->GetMenuParent()) {
return GetMenuBar(menu->GetMenuParent());
}
return nsnull;
}
//-------------------------------------------------------------------------
// This does not return a ref counted object
// This is NOT an nsIMenu method
nsIWidget * nsMenu::GetParentWidget()
{
nsIWidget * parent = nsnull;
nsIMenuBar * menuBar = GetMenuBar(this);
if (menuBar) {
menuBar->GetParent(parent);
}
return parent;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
{
PRUint32 cnt;
nsresult rv = mItems->Count(&cnt);
if (NS_FAILED(rv)) return rv;
return InsertItemAt(cnt, (nsISupports *)aMenuItem);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenu(nsIMenu * aMenu)
{
PRUint32 cnt;
nsresult rv = mItems->Count(&cnt);
if (NS_FAILED(rv)) return rv;
return InsertItemAt(cnt, (nsISupports *)aMenu);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
{
return mItems->Count(&aCount);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemAt(const PRUint32 aCount, nsISupports *& aMenuItem)
{
aMenuItem = (nsISupports *)mItems->ElementAt(aCount);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertItemAt(const PRUint32 aCount, nsISupports * aMenuItem)
{
bool status = false;
mItems->InsertElementAt(aMenuItem, (PRInt32)aCount);
nsCOMPtr<nsIMenuItem> menuItem(do_QueryInterface(aMenuItem));
if (menuItem) {
BMenuItem *it;
void *data;
menuItem->GetNativeData(data);
it = (BMenuItem *)data;
mMenu->AddItem(it, aCount);
status = true;
} else {
nsCOMPtr<nsIMenu> menu(do_QueryInterface(aMenuItem));
if (menu) {
BMenu *m;
void *data;
menu->GetNativeData(&data);
m = (BMenu *)data;
mMenu->AddItem(m, aCount);
status = true;
}
}
return (status ? NS_OK : NS_ERROR_FAILURE);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveItem(const PRUint32 aCount)
{
printf("nsMenu::RemoveItem - FIXME: not implemented\n");
#if 0
//nsISupports * supports = (nsISupports *)mItems->ElementAt(aCount);
mItems->RemoveElementAt(aCount);
return (::RemoveMenu(mMenu, aCount, MF_BYPOSITION) ? NS_OK:NS_ERROR_FAILURE);
#endif
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveAll()
{
printf("nsMenu::RemoveAll - FIXME: not implemented\n");
#if 0
while (mItems->Count()) {
mItems->RemoveElementAt(0);
::RemoveMenu(mMenu, 0, MF_BYPOSITION);
}
#endif
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetNativeData(void ** aData)
{
*aData = (void *)mMenu;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetNativeData(void * aData)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuListener(nsIMenuListener * aMenuListener)
{
mListener = aMenuListener;
NS_ADDREF(mListener);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
{
if (aMenuListener == mListener) {
NS_IF_RELEASE(mListener);
}
return NS_OK;
}
//-------------------------------------------------------------------------
// nsIMenuListener interface
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
{
if (nsnull != mListener) {
mListener->MenuSelected(aMenuEvent);
}
return nsEventStatus_eIgnore;
}
nsEventStatus nsMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
{
if (nsnull != mListener) {
mListener->MenuSelected(aMenuEvent);
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
{
if (nsnull != mListener) {
mListener->MenuDeselected(aMenuEvent);
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuConstruct(const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * menuNode,
void * aWebShell)
{
//g_print("nsMenu::MenuConstruct called \n");
if(menuNode){
SetDOMNode((nsIDOMNode*)menuNode);
}
if(!aWebShell){
aWebShell = mWebShell;
}
// First open the menu.
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if (domElement)
domElement->SetAttribute("open", "true");
/// Now get the kids. Retrieve our menupopup child.
nsCOMPtr<nsIDOMNode> menuPopupNode;
mDOMNode->GetFirstChild(getter_AddRefs(menuPopupNode));
while (menuPopupNode) {
nsCOMPtr<nsIDOMElement> menuPopupElement(do_QueryInterface(menuPopupNode));
if (menuPopupElement) {
nsString menuPopupNodeType;
menuPopupElement->GetNodeName(menuPopupNodeType);
if (menuPopupNodeType.Equals("menupopup"))
break;
}
nsCOMPtr<nsIDOMNode> oldMenuPopupNode(menuPopupNode);
oldMenuPopupNode->GetNextSibling(getter_AddRefs(menuPopupNode));
}
if (!menuPopupNode)
return nsEventStatus_eIgnore;
nsCOMPtr<nsIDOMNode> menuitemNode;
menuPopupNode->GetFirstChild(getter_AddRefs(menuitemNode));
unsigned short menuIndex = 0;
while (menuitemNode) {
nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
if (menuitemElement) {
nsString menuitemNodeType;
nsString menuitemName;
menuitemElement->GetNodeName(menuitemNodeType);
if (menuitemNodeType.Equals("menuitem")) {
// LoadMenuItem
LoadMenuItem(this,
menuitemElement,
menuitemNode,
menuIndex,
(nsIWebShell*)aWebShell);
} else if (menuitemNodeType.Equals("menuseparator")) {
AddSeparator();
} else if (menuitemNodeType.Equals("menu")) {
// Load a submenu
LoadSubMenu(this, menuitemElement, menuitemNode);
}
}
++menuIndex;
nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
} // end menu item innner loop
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
{
// Close the node.
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if (domElement)
domElement->RemoveAttribute("open");
//g_print("nsMenu::MenuDestruct called \n");
RemoveAll();
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
/**
* Set DOMNode
*
*/
NS_METHOD nsMenu::SetDOMNode(nsIDOMNode * aMenuNode)
{
mDOMNode = aMenuNode;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set DOMElement
*
*/
NS_METHOD nsMenu::SetDOMElement(nsIDOMElement * aMenuElement)
{
mDOMElement = aMenuElement;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set WebShell
*
*/
NS_METHOD nsMenu::SetWebShell(nsIWebShell * aWebShell)
{
mWebShell = aWebShell;
return NS_OK;
}
//----------------------------------------
void nsMenu::LoadMenuItem(nsIMenu * pParentMenu,
nsIDOMElement * menuitemElement,
nsIDOMNode * menuitemNode,
unsigned short menuitemIndex,
nsIWebShell * aWebShell)
{
static const char* NS_STRING_TRUE = "true";
nsString disabled;
nsString menuitemName;
nsString menuitemCmd;
menuitemElement->GetAttribute(nsAutoString("disabled"), disabled);
menuitemElement->GetAttribute(nsAutoString("value"), menuitemName);
menuitemElement->GetAttribute(nsAutoString("cmd"), menuitemCmd);
// Create nsMenuItem
nsIMenuItem * pnsMenuItem = nsnull;
nsresult rv = nsComponentManager::CreateInstance(kMenuItemCID,
nsnull,
nsIMenuItem::GetIID(),
(void**)&pnsMenuItem);
if (NS_OK == rv) {
pnsMenuItem->Create(pParentMenu, menuitemName, PR_FALSE);
nsISupports * supports = nsnull;
pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
pParentMenu->AddItem(supports); // Parent should now own menu item
NS_RELEASE(supports);
if(disabled == NS_STRING_TRUE ) {
pnsMenuItem->SetEnabled(PR_FALSE);
}
// Create MenuDelegate - this is the intermediator inbetween
// the DOM node and the nsIMenuItem
// The nsWebShellWindow wacthes for Document changes and then notifies the
// the appropriate nsMenuDelegate object
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(menuitemNode));
if (!domElement) {
//return NS_ERROR_FAILURE;
return;
}
nsAutoString cmdAtom("oncommand");
nsString cmdName;
domElement->GetAttribute(cmdAtom, cmdName);
pnsMenuItem->SetCommand(cmdName);
// DO NOT use passed in webshell because of messed up windows dynamic loading
// code.
pnsMenuItem->SetWebShell(mWebShell);
pnsMenuItem->SetDOMElement(domElement);
NS_RELEASE(pnsMenuItem);
}
return;
}
//----------------------------------------
void nsMenu::LoadSubMenu(nsIMenu * pParentMenu,
nsIDOMElement * menuElement,
nsIDOMNode * menuNode)
{
nsString menuName;
menuElement->GetAttribute(nsAutoString("value"), menuName);
//printf("Creating Menu [%s] \n", menuName.ToNewCString()); // this leaks
// Create nsMenu
nsIMenu * pnsMenu = nsnull;
nsresult rv = nsComponentManager::CreateInstance(kMenuCID,
nsnull,
nsIMenu::GetIID(),
(void**)&pnsMenu);
if (NS_OK == rv) {
// Call Create
nsISupports * supports = nsnull;
pParentMenu->QueryInterface(kISupportsIID, (void**) &supports);
pnsMenu->Create(supports, menuName);
NS_RELEASE(supports); // Balance QI
// Set nsMenu Name
pnsMenu->SetLabel(menuName);
supports = nsnull;
pnsMenu->QueryInterface(kISupportsIID, (void**) &supports);
pParentMenu->AddItem(supports); // parent takes ownership
NS_RELEASE(supports);
pnsMenu->SetWebShell(mWebShell);
pnsMenu->SetDOMNode(menuNode);
/*
// Begin menuitem inner loop
unsigned short menuIndex = 0;
nsCOMPtr<nsIDOMNode> menuitemNode;
menuNode->GetFirstChild(getter_AddRefs(menuitemNode));
while (menuitemNode) {
nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
if (menuitemElement) {
nsString menuitemNodeType;
menuitemElement->GetNodeName(menuitemNodeType);
#ifdef DEBUG_saari
printf("Type [%s] %d\n", menuitemNodeType.ToNewCString(), menuitemNodeType.Equals("menuseparator"));
#endif
if (menuitemNodeType.Equals("menuitem")) {
// Load a menuitem
LoadMenuItem(pnsMenu, menuitemElement, menuitemNode, menuIndex, mWebShell);
} else if (menuitemNodeType.Equals("menuseparator")) {
pnsMenu->AddSeparator();
} else if (menuitemNodeType.Equals("menu")) {
// Add a submenu
LoadSubMenu(pnsMenu, menuitemElement, menuitemNode);
}
}
++menuIndex;
nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
} // end menu item innner loop
*/
}
}