Files
Mozilla/mozilla/widget/src/mac/nsContextMenu.cpp
sfraser%netscape.com 68053ccf86 Use an empty pascal string for the menu name.
git-svn-id: svn://10.0.0.236/trunk@45540 18797224-902f-48f8-a5cc-f745e15eee43
1999-09-01 22:06:01 +00:00

685 lines
21 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsContextMenu.h"
#include "nsIContextMenu.h"
#include "nsIMenu.h"
#include "nsIMenuItem.h"
#include "nsIMenuListener.h"
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsMenu.h" // for mMacMenuIDCount
#include "nsString.h"
#include "nsStringUtil.h"
#include <TextUtils.h>
#include <ToolUtils.h>
#include <Devices.h>
#include <Menus.h>
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIContextMenuIID, NS_ICONTEXTMENU_IID);
static NS_DEFINE_IID(kIMenuIID, NS_IMENU_IID);
static NS_DEFINE_IID(kIMenuItemIID, NS_IMENUITEM_IID);
// CIDs
#include "nsWidgetsCID.h"
static NS_DEFINE_IID(kMenuBarCID, NS_MENUBAR_CID);
static NS_DEFINE_IID(kMenuCID, NS_MENU_CID);
static NS_DEFINE_IID(kMenuItemCID, NS_MENUITEM_CID);
nsresult nsContextMenu::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
*aInstancePtr = NULL;
if (aIID.Equals(kIContextMenuIID)) {
*aInstancePtr = (void*)(nsIContextMenu*) this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIMenuListenerIID)) {
*aInstancePtr = (void*) ((nsIMenuListener*)this);
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMPL_ADDREF(nsContextMenu)
NS_IMPL_RELEASE(nsContextMenu)
//-------------------------------------------------------------------------
//
// nsContextMenu constructor
//
//-------------------------------------------------------------------------
nsContextMenu::nsContextMenu() : nsIContextMenu()
{
NS_INIT_REFCNT();
mNumMenuItems = 0;
mMenuParent = nsnull;
mMacMenuID = 0;
mMacMenuHandle = nsnull;
mListener = nsnull;
mX = 0;
mY = 0;
mDOMNode = nsnull;
mWebShell = nsnull;
//
// create a multi-destination Unicode converter which can handle all of the installed
// script systems
//
OSErr err = ::CreateUnicodeToTextRunInfoByScriptCode(0,NULL,&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::nsMenu: CreateUnicodeToTextRunInfoByScriptCode failed.");
}
//-------------------------------------------------------------------------
//
// nsContextMenu destructor
//
//-------------------------------------------------------------------------
nsContextMenu::~nsContextMenu()
{
NS_IF_RELEASE(mListener);
while(mNumMenuItems)
{
--mNumMenuItems;
if(mMenuItemVoidArray[mNumMenuItems]) {
// Figure out what we're releasing
nsIMenuItem * menuitem = nsnull;
((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuItemIID, (void**) &menuitem);
if(menuitem)
{
// case menuitem
menuitem->Release(); // Release our hold
NS_IF_RELEASE(menuitem); // Balance QI
}
else
{
nsIMenu * menu = nsnull;
((nsISupports*)mMenuItemVoidArray[mNumMenuItems])->QueryInterface(kIMenuIID, (void**) &menu);
if(menu)
{
// case menu
menu->Release(); // Release our hold
NS_IF_RELEASE(menu); // Balance QI
}
}
}
}
mMacMenuIDCount--;
OSErr err = ::DisposeUnicodeToTextRunInfo(&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::~nsMenu: DisposeUnicodeToTextRunInfo failed.");
}
//-------------------------------------------------------------------------
//
// Create the proper widget
//
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::Create(nsISupports *aParent, const nsString& anAlignment,
const nsString& anAnchorAlignment)
{
mParent = aParent;
mMacMenuHandle = ::NewMenu(mMacMenuIDCount, "\p");
mMacMenuID = mMacMenuIDCount;
mMacMenuIDCount++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::GetParent(nsISupports*& aParent)
{
aParent = nsnull;
if (mParent) {
return mParent->QueryInterface(kISupportsIID,(void**)&aParent);
}
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::AddItem(nsISupports* aItem)
{
if(aItem)
{
// Figure out what we're adding
nsIMenuItem * menuitem = nsnull;
aItem->QueryInterface(kIMenuItemIID, (void**) &menuitem);
if(menuitem)
{
// case menuitem
AddMenuItem(menuitem);
NS_RELEASE(menuitem);
}
else
{
nsIMenu * menu = nsnull;
aItem->QueryInterface(kIMenuIID, (void**) &menu);
if(menu)
{
// case menu
AddMenu(menu);
NS_RELEASE(menu);
}
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::AddMenuItem(nsIMenuItem * aMenuItem)
{
if(aMenuItem) {
nsISupports * supports = nsnull;
aMenuItem->QueryInterface(kISupportsIID, (void**)&supports);
if(supports) {
mMenuItemVoidArray.AppendElement(supports);
nsString label;
nsString labelHack = " ";
nsString tmp = "-";
aMenuItem->GetLabel(label);
PRUnichar slash = tmp.CharAt(0);
char* menuLabel;
if(label[0] == slash) {
labelHack.Append(label);
menuLabel = labelHack.ToNewCString();
} else {
menuLabel = label.ToNewCString();
}
mNumMenuItems++;
::InsertMenuItem(mMacMenuHandle, (const unsigned char *)" ", mNumMenuItems);
::SetMenuItemText(mMacMenuHandle, mNumMenuItems, c2pstr(menuLabel));
delete[] menuLabel;
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::AddMenu(nsIMenu * aMenu)
{
// Add a submenu
if(aMenu) {
nsISupports * supports = nsnull;
aMenu->QueryInterface(kISupportsIID, (void**)&supports);
if(supports) {
mMenuItemVoidArray.AppendElement(supports);
// We have to add it as a menu item and then associate it with the item
nsString label;
aMenu->GetLabel(label);
mNumMenuItems++;
::InsertMenuItem(mMacMenuHandle, "\p ", mNumMenuItems);
NSStringSetMenuItemText(mMacMenuHandle, mNumMenuItems,label);
MenuHandle menuHandle;
aMenu->GetNativeData((void**)&menuHandle);
::InsertMenu(menuHandle, hierMenu);
PRInt16 temp = mMacMenuIDCount;
::SetMenuItemHierarchicalID((MenuHandle) mMacMenuHandle, mNumMenuItems, --temp);
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::AddSeparator()
{
// HACK - We're not really appending an nsMenuItem but it
// needs to be here to make sure that event dispatching isn't off by one.
mMenuItemVoidArray.AppendElement(nsnull);
::InsertMenuItem(mMacMenuHandle, "\p(-", mNumMenuItems );
mNumMenuItems++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::GetItemCount(PRUint32 &aCount)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::RemoveItem(const PRUint32 aPos)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::RemoveAll()
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::GetNativeData(void ** aData)
{
*aData = mMacMenuHandle;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::AddMenuListener(nsIMenuListener * aMenuListener)
{
mListener = aMenuListener;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsContextMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
{
if (aMenuListener == mListener) {
}
return NS_OK;
}
//-------------------------------------------------------------------------
//
// nsIMenuListener interface
//
//-------------------------------------------------------------------------
nsEventStatus nsContextMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
{
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Determine if this is the correct menu to handle the event
//PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
PRInt16 menuID = mSelectedMenuID;
#ifdef APPLE_MENU_HACK
if(kAppleMenuID == menuID)
{
//PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
PRInt16 menuItemID = mSelectedMenuItem;
if (menuItemID > 2) // don't handle the about or separator items yet
{
Str255 itemStr;
::GetMenuItemText(GetMenuHandle(menuID), menuItemID, itemStr);
#if !TARGET_CARBON
::OpenDeskAcc(itemStr);
#endif
eventStatus = nsEventStatus_eConsumeNoDefault;
}
}
else
#endif
if(mMacMenuID == menuID)
{
// Call MenuSelected on the correct nsMenuItem
//PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
PRInt16 menuItemID = mSelectedMenuItem;
nsIMenuListener * menuListener = nsnull;
((nsIMenuItem*)mMenuItemVoidArray[menuItemID-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener) {
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
}
}
else
{
// Make sure none of our submenus are the ones that should be handling this
for (int i = mMenuItemVoidArray.Count(); i > 0; i--)
{
if(nsnull != mMenuItemVoidArray[i-1])
{
nsIMenu * submenu = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuIID, &submenu);
if(submenu)
{
nsIMenuListener * menuListener = nsnull;
((nsISupports*)mMenuItemVoidArray[i-1])->QueryInterface(kIMenuListenerIID, &menuListener);
if(menuListener){
eventStatus = menuListener->MenuSelected(aMenuEvent);
NS_IF_RELEASE(menuListener);
if(nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
}
}
}
return eventStatus;
}
//-------------------------------------------------------------------------
nsEventStatus nsContextMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
{
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Put context menu in the menu list
::InsertMenu(mMacMenuHandle, -1);
// Call MenuConstruct
MenuConstruct(
aMenuEvent,
mParentWindow,
mDOMNode,
mWebShell);
// Display and track the menu
Point location;
location.h = mX;
location.v = mY;
UInt32 outUserSelectionType;
ConstStr255Param inHelpItemString;
::ContextualMenuSelect (
mMacMenuHandle,
location,
false,
kCMHelpItemNoHelp,
inHelpItemString,
0, //const AEDesc* inSelection, We should really be constructing this
& outUserSelectionType,
& mSelectedMenuID,
& mSelectedMenuItem);
//ContextualMenuSelect (MenuHandle inMenu,
// Point inGlobalLocation,
// Boolean inReserved,
// UInt32 inHelpType,
// ConstStr255Param inHelpItemString,
// const AEDesc * inSelection,
// UInt32 * outUserSelectionType,
// SInt16 * outMenuID,
// UInt16 * outMenuItem) TWOWORDINLINE(0x7003, 0xAA72);
if(outUserSelectionType != kCMNothingSelected) {
MenuItemSelected(aMenuEvent);
}
return eventStatus;
}
//-------------------------------------------------------------------------
nsEventStatus nsContextMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
{
// Remove the context menu from the menu list
::DeleteMenu(mMacMenuID);
// Call MenuDestruct
MenuDestruct(aMenuEvent);
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsContextMenu::MenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * menuNode,
void * aWebShell)
{
// Construct the menu
nsCOMPtr<nsIDOMNode> menuitemNode;
((nsIDOMNode*)mDOMNode)->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 nsContextMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
{
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
/**
* Set Location
*
*/
NS_METHOD nsContextMenu::SetLocation(PRInt32 aX, PRInt32 aY)
{
mX = aX;
mY = aY;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set DOMNode
*
*/
NS_METHOD nsContextMenu::SetDOMNode(nsIDOMNode * aMenuNode)
{
mDOMNode = aMenuNode;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set DOMElement
*
*/
NS_METHOD nsContextMenu::SetDOMElement(nsIDOMElement * aMenuElement)
{
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Set WebShell
*
*/
NS_METHOD nsContextMenu::SetWebShell(nsIWebShell * aWebShell)
{
mWebShell = aWebShell;
return NS_OK;
}
//----------------------------------------
void nsContextMenu::LoadMenuItem(
nsIContextMenu * 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, kIMenuItemIID, (void**)&pnsMenuItem);
if (NS_OK == rv) {
pnsMenuItem->Create(pParentMenu, menuitemName, 0);
nsISupports * supports = nsnull;
pnsMenuItem->QueryInterface(kISupportsIID, (void**) &supports);
pParentMenu->AddItem(supports); // Parent should now own menu item
NS_RELEASE(supports);
// 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;
}
nsAutoString cmdAtom("oncommand");
nsString cmdName;
domElement->GetAttribute(cmdAtom, cmdName);
pnsMenuItem->SetCommand(cmdName);
// DO NOT use passed in wehshell because of messed up windows dynamic loading
// code.
pnsMenuItem->SetWebShell(mWebShell);
pnsMenuItem->SetDOMElement(domElement);
pnsMenuItem->SetDOMNode(menuitemNode);
if(disabled == NS_STRING_TRUE )
::DisableMenuItem(mMacMenuHandle, menuitemIndex + 1);
else
::EnableMenuItem(mMacMenuHandle, menuitemIndex + 1);
NS_RELEASE(pnsMenuItem);
}
return;
}
//----------------------------------------
void nsContextMenu::LoadSubMenu(
nsIContextMenu * 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, kIMenuIID, (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);
// Make nsMenu a child of parent nsMenu. The parent takes ownership
supports = nsnull;
pnsMenu->QueryInterface(kISupportsIID, (void**) &supports);
pParentMenu->AddItem(supports);
NS_RELEASE(supports);
pnsMenu->SetWebShell(mWebShell);
pnsMenu->SetDOMNode(menuNode);
pnsMenu->SetDOMElement(menuElement);
// We're done with the menu
NS_RELEASE(pnsMenu);
}
}
void nsContextMenu::NSStringSetMenuItemText(MenuHandle macMenuHandle, short menuItem, nsString& menuString)
{
OSErr err;
const PRUnichar* unicodeText;
char* scriptRunText;
size_t unicodeTextLengthInBytes, unicdeTextReadInBytes,
scriptRunTextSizeInBytes, scriptRunTextLengthInBytes,
scriptCodeRunListLength;
ScriptCodeRun convertedTextScript;
long scriptMgrVariable;
//
// extract the Unicode text from the nsString and convert it into a single script run
//
unicodeText = menuString.GetUnicode();
unicodeTextLengthInBytes = menuString.Length() * sizeof(PRUnichar);
scriptRunTextSizeInBytes = unicodeTextLengthInBytes * 2;
scriptRunText = new char[scriptRunTextSizeInBytes];
err = ::ConvertFromUnicodeToScriptCodeRun(mUnicodeTextRunConverter,
unicodeTextLengthInBytes,unicodeText,
0, /* no flags*/
0,NULL,NULL,NULL, /* no offset arrays */
scriptRunTextSizeInBytes,&unicdeTextReadInBytes,&scriptRunTextLengthInBytes,
scriptRunText,
1 /* count of script runs*/,&scriptCodeRunListLength,&convertedTextScript);
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: ConvertFromUnicodeToScriptCodeRun failed.");
if (err!=noErr) { delete [] scriptRunText; return; }
scriptRunText[scriptRunTextLengthInBytes] = 0; // null terminate
//
// get a font from the script code
//
scriptMgrVariable = ::GetScriptVariable(convertedTextScript.script,smScriptAppFondSize);
::SetMenuItemText(macMenuHandle,menuItem,c2pstr(scriptRunText));
err = ::SetMenuItemFontID(macMenuHandle,menuItem,HiWord(scriptMgrVariable));
NS_ASSERTION(err==noErr,"nsMenu::NSStringSetMenuItemText: SetMenuItemFontID failed.");
//
// clean up and exit
//
delete [] scriptRunText;
}